CN205668945U - Pyrolysis profit is utilized to prepare the system of carbide - Google Patents
Pyrolysis profit is utilized to prepare the system of carbide Download PDFInfo
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- CN205668945U CN205668945U CN201620557285.3U CN201620557285U CN205668945U CN 205668945 U CN205668945 U CN 205668945U CN 201620557285 U CN201620557285 U CN 201620557285U CN 205668945 U CN205668945 U CN 205668945U
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 77
- 239000003245 coal Substances 0.000 claims abstract description 68
- 239000000571 coke Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 8
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 8
- 239000004571 lime Substances 0.000 claims abstract description 8
- 239000005997 Calcium carbide Substances 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 13
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 claims description 13
- 239000002817 coal dust Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 241001417490 Sillaginidae Species 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims 1
- 239000011230 binding agent Substances 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 7
- 241001062472 Stokellia anisodon Species 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 31
- 238000000034 method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
This utility model provides the system utilizing pyrolysis profit to prepare carbide.This system includes: pulverized coal pyrolysis unit, cooling unit, mixed cell, forming unit and carbide smelt unit.Pulverized coal pyrolysis unit is provided with coal powder entrance, raw coke oven gas outlet and high-temperature semi-coke outlet, cooling unit is provided with raw coke oven gas entrance and pyrolysis oil water out, mixed cell is provided with high-temperature semi-coke entrance, pyrolysis oil water inlet and mixture outlet, forming unit is provided with mixture inlet and the outlet of type ball, and carbide is smelted unit and is provided with type ball entrance, lump lime entrance and carbide outlet.Pyrolysis profit is directly prepared carbide raw material as binding agent by the technical scheme that this utility model provides, the problem solving pyrolysis profit difficult treatment, also reduces the cost of binding agent.
Description
Technical field
This utility model belongs to the preparation field of carbide, particularly relates to be pyrolyzed profit and prepares the system of carbide.
Background technology
Along with the development of coal mining industries up-to-dateness, in raw coal, the ratio of fine coal is up to 70%-80%, but current
Calcium carbide industry, major part is all with block semi-coke as raw material, thus causes lump coal resource provisioning nervous, and fine coal overstocks in a large number, if
It is improper to control, then can produce substantial amounts of dust, pollute air and subsoil water.
The liquid that the volatile matter that pyrolysis of coal produces obtains through condensation is mainly tar and water, can referred to as be pyrolyzed profit.Heat
Solve profit complicated component, for stickum, it is difficult to purify.
Utility model content
This utility model provides a kind of system utilizing pyrolysis profit to prepare carbide, and the purpose of this system is to solve pyrolysis oil
Water difficult treatment, raising pyrolysis product added value, make process costs reduction, carbide energy consumption reduce simultaneously.
The system preparing carbide that this utility model provides includes pulverized coal pyrolysis unit, cooling unit, mixed cell, molding
Unit and carbide smelt unit；Wherein, described pulverized coal pyrolysis unit is provided with coal powder entrance, raw coke oven gas exports and high-temperature semi-coke goes out
Mouthful；Described cooling unit is provided with the famine of raw coke oven gas entrance and pyrolysis oil water out, described raw coke oven gas entrance and described pyrolysis unit
Gas exit is connected；Described mixed cell is provided with high-temperature semi-coke entrance, pyrolysis oil water inlet and mixture outlet, described high temperature half
Burnt entrance exports with the high-temperature semi-coke of described pyrolysis unit and is connected, described pyrolysis oil water inlet and the pyrolysis oil of described cooling unit
Water out is connected；Described forming unit is provided with mixture inlet and the outlet of type ball, described mixture inlet and described mixed cell
Mixture outlet be connected；Described carbide is smelted unit and is provided with type ball entrance, lump lime entrance and carbide outlet, described type
Ball entrance exports with the type ball of described forming unit and is connected.
Further, the type ball entrance of described carbide smelting unit is defeated by insulation with the outlet of the type ball of described forming unit
Sending device to be connected, described heat-insulation conveying device is heat-preserving container or insulation carrier bar；The high-temperature semi-coke outlet of described pulverized coal pyrolysis unit
It is connected by heat-insulation conveying device with the high-temperature semi-coke entrance of described mixed cell.
Further, described system also includes that feed material preparation units, described feed material preparation units include the broken dress of coal
Putting, described coal breaker is provided with discharge, and described discharge is connected with the coal powder entrance of described pulverized coal pyrolysis unit.
In said system, described pulverized coal pyrolysis unit is coal fast pyrogenation stove.
In said system, described cooling unit is device for cooling between condensed water.
In said system, described mixed cell is agitating device.
In said system, described forming unit is ball press.
Additionally, in said system, it is furnace of calcium carbide that described carbide smelts unit.
Pyrolysis profit is directly prepared carbide raw material as binding agent by the technical scheme that this utility model provides, and solves heat
The problem solving profit difficult treatment, also reduces the cost of binding agent.Directly make additionally, tar in pyrolysis profit is the most purified
With, its utilization rate can be improved.By being pyrolyzed the recycling of profit, when tar is pyrolyzed again, become pyrolysis gas by second pyrolysis,
Improve the added value of pyrolysis product.
Accompanying drawing explanation
Fig. 1 is the structural representation of the system preparing carbide in this utility model embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in more details, with
Just the advantage that better understood when scheme of the present utility model and various aspects thereof.But, specific implementations described below side
Formula and embodiment are only descriptive purposes rather than to restriction of the present utility model.
As it is shown in figure 1, present embodiment discloses a kind of system preparing carbide.The present embodiment is prepared the system bag of carbide
Include: feed material preparation units 1, pulverized coal pyrolysis unit 2, cooling unit 3, mixed cell 4, forming unit 5 and carbide smelt unit
6.Wherein, feed material preparation units 1 is not necessary device, and visual field condition and concrete technique decide whether to increase to and is
In system.
Feed material preparation units 1 includes warehouse 12 and coal helix transporting device 13 in the middle of coal breaker 11, coal.Coal crushes
In the middle of device 11, coal, warehouse 13 and coal helix transporting device 15 are sequentially connected, and middle low-order coal is crushed coal-forming by coal breaker 11
It is stored in the middle of coal in warehouse 13 after powder, is then sent in pulverized coal pyrolysis unit 2 by coal helix transporting device 15.Raw material is located in advance
Reason unit 1 can only have coal breaker 11, but in order to improve production efficiency, can be plus warehouse 12 in the middle of coal and coal helical feed
Device 13.
In the present embodiment, pulverized coal pyrolysis unit 2 is coal fast pyrogenation stove.In Fig. 1,21 is coal powder entrance, and 22 is raw coke oven gas
Outlet, 23 export for high-temperature semi-coke.Coal powder entrance 21 is connected with the outlet of coal helix transporting device 15.
The cooling unit 3 of the present embodiment is device for cooling between condensed water, be provided with raw coke oven gas entrance 31, pyrolysis oil water out 32,
Pyrolysis gas outlet 33, condensing water inlet 34, condensation-water drain 35.Raw coke oven gas entrance 31 and the pyrolysis famine coal of pulverized coal pyrolysis unit 2
Gas outlet 22 is connected.
Mixed cell 4 is high intensity agitating device, can be kneader can also be spiral mixer.Kneader and spiral
Batch mixer is conventional high adhesive material agitating device, and simple in construction, reliable, good mixing effect, production cost are low.In Fig. 1,
41 is high-temperature semi-coke entrance, and 42 is pyrolysis oil water inlet, and 43 is agitating device, and 44 is mixture outlet.High-temperature semi-coke entrance 41
Exporting 23 with the high-temperature semi-coke of pulverized coal pyrolysis unit 2 to be connected by heat-insulation conveying device, heat-insulation conveying device can be heat-preserving container
Or insulation carrier bar；Pyrolysis oil water inlet 42 is connected with the pyrolysis oil water out 32 of cooling unit 3.Use insulation conveying, fully profit
With the sensible heat of high-temp solid, reduce energy consumption.
The forming unit 5 of the present embodiment is ball press, including mixture warehouse 51 with to squeezing double roller 52.Mixture warehouse 51
The mixture sent here from mixed cell 4 for storage, to squeezing double roller 52 for type ball forming.The entrance of mixture warehouse 51 is with mixed
The mixture outlet 45 closing unit 4 is connected.
In the present embodiment, carbide smelt unit 6 be furnace of calcium carbide, be provided with high temperature pelletizing entrance 61, lump lime entrance 62,
Calcium carbide furnace gas outlet 63 and carbide outlet 64.High temperature pelletizing entrance 61 with squeeze the outlet of double rollers 52 also by heat-insulation conveying device phase
Even.
The volatile matter of middle low-order coal is higher, if directly entering furnace of calcium carbide, not only results in the waste of resource, and can be because of electricity
The substantial increase of stone furnace gas causes the instability of calcium carbide production process.Middle low-order coal is first pyrolyzed by this utility model, by coal
In volatile matter extract, then prepare carbide raw materials for metallurgy.
Pyrolysis profit is directly prepared carbide raw material as binding agent by the technical scheme that this utility model provides, and solves heat
The problem solving profit difficult treatment, also reduces the cost of binding agent.Directly make additionally, tar in pyrolysis profit is the most purified
With, its utilization rate can be improved.By being pyrolyzed the recycling of profit, when tar is pyrolyzed again, pyrolysis can be become by second pyrolysis
Gas, improves the added value of pyrolysis product.
Water can play the effect of moistening during pulverized coal forming, but can affect the effect of bonding too much.In pyrolysis profit
Water content few, appropriate moisture can reduce coal dust formed because of mutual extruding in forming process with moistening coal grain surface
Frictional resistance, thus beneficially combine closely between coal dust.
Below in conjunction with specific embodiment, the technical solution of the utility model is described.
In following embodiment, institute's taking technique condition value is exemplary, in its desirable numerical range book as indicated above
Shown in.
Middle low-order coal used by following embodiment is jet coal.With CaC in carbide2Content and gas forming amount characterize prepared
The quality of carbide, method therefor is the detection method that the industry is conventional.
Embodiment 1
By coal breaker 11, jet coal being crushed to maximum particle size is 1mm, is then stored at warehouse in the middle of coal
In 12.By coal helix transporting device 13, long flame coal dust and calcium lime powder are delivered in coal fast pyrogenation stove.Long flame coal dust is 650
It is pyrolyzed 60min at a temperature of DEG C, prepares pyrolysis raw coke oven gas, flue gas and high-temperature semi-coke.Between pyrolysis raw coke oven gas condensed water, device for cooling is cold
Obtaining pyrolysis gas and pyrolysis profit after Ning, pyrolysis gas stores after further purified treatment.High-temperature semi-coke is sent into by heat-preserving container
In kneader, adding the pyrolysis profit that device for cooling is sent here between condensed water, coal dust is 1:0.03 with the mass ratio of pyrolysis profit.Mixed
Prepare mixture after closing uniformly, mixture is sent in ball press, extruded under pressure is 10MPa, prepare type ball.Type ball
Sent in furnace of calcium carbide by heat-preserving container, be simultaneously introduced the lump lime that maximum particle size is 25mm, enter at temperature is 1800 DEG C
Row carbide is smelted, and prepares carbide liquid and calcium carbide furnace gas.Carbide liquid forms carbide after cooling, and calcium carbide furnace gas reclaims after purifying.Inspection
Survey CaC in gained carbide2Content and gas forming amount.
The CaC of the carbide that the present embodiment prepares2Content be 79.9%, gas forming amount is 297L/kg.
Embodiment 2
By coal breaker 11, jet coal being crushed to maximum particle size is 0.5mm, is then stored at storage in the middle of coal
In storehouse 12.By coal helix transporting device 13, long flame coal dust and calcium lime powder are delivered in coal fast pyrogenation stove.Long flame coal dust exists
It is pyrolyzed 20min at a temperature of 900 DEG C, prepares pyrolysis raw coke oven gas, flue gas and high-temperature semi-coke.Device for cooling between pyrolysis raw coke oven gas condensed water
Obtaining pyrolysis gas and pyrolysis profit after condensation, pyrolysis gas stores after further purified treatment.High-temperature semi-coke is sent by heat-preserving container
Entering in kneader, add the pyrolysis profit that device for cooling is sent here between condensed water, coal dust is 1:0.1 with the mass ratio of pyrolysis profit.
Prepare mixture after mix homogeneously, mixture is sent in ball press, extruded under pressure is 25MPa, prepare type ball.Type
Ball is sent in furnace of calcium carbide by heat-preserving container, is simultaneously introduced the lump lime that maximum particle size is 80mm, at temperature is 2200 DEG C
Carry out carbide smelting, prepare carbide liquid and calcium carbide furnace gas.Carbide liquid forms carbide after cooling, and calcium carbide furnace gas reclaims after purifying.
CaC in detection gained carbide2Content and gas forming amount.
The CaC of the carbide that the present embodiment prepares2Content be 86.7%, gas forming amount is 323L/kg.
From above-described embodiment, using the technical scheme that this utility model provides, prepared carbide quality is good.Additionally,
In above-described embodiment, the carbide appearance prepared place complete, broken is few, and the intensity of explanation type ball is high, smelts at the pyrolysis of type ball, carbide
During, the most broken.This technical scheme demonstrating this utility model offer from another point of view is relatively good.
To sum up, it can be deduced that, the technical scheme that this utility model provides is directly by electric as binding agent preparation for pyrolysis profit
Stone raw material, the problem solving pyrolysis profit difficult treatment, also reduce the cost of binding agent.Additionally, Jiao in pyrolysis profit
The most purified direct use of oil, can improve its utilization rate.By being pyrolyzed the recycling of profit, by two when tar is pyrolyzed again
Secondary it is cracked into pyrolysis gas, improves the added value of pyrolysis product.
The system the preparing carbide not only technique that this utility model provides is simple, and the carbide quality prepared is good.
It should be noted that each embodiment above by reference to described by accompanying drawing is only in order to illustrate this utility model rather than limit
Make scope of the present utility model, it will be understood by those within the art that, without departing from spirit of the present utility model and model
The amendment on the premise of enclosing carried out this utility model or equivalent, all should contain within the scope of this utility model.
Additionally, unless stated otherwise, then all or part of of any embodiment can be in conjunction with the whole of any other embodiments or
Part uses.
Claims (8)
1. prepare a system for carbide, including: pulverized coal pyrolysis unit, cooling unit, mixed cell, forming unit and carbide smelting
Refining unit；
Described pulverized coal pyrolysis unit is provided with coal powder entrance, raw coke oven gas outlet and high-temperature semi-coke outlet；
Described cooling unit is provided with the famine of raw coke oven gas entrance and pyrolysis oil water out, described raw coke oven gas entrance and described pyrolysis unit
Gas exit is connected；
Described mixed cell is provided with high-temperature semi-coke entrance, pyrolysis oil water inlet and mixture outlet, described high-temperature semi-coke entrance with
The high-temperature semi-coke outlet of described pyrolysis unit is connected, the pyrolysis oil water out phase of described pyrolysis oil water inlet and described cooling unit
Even；
Described forming unit is provided with mixture inlet and the outlet of type ball, described mixture inlet and the mixture of described mixed cell
Outlet is connected；
Described carbide is smelted unit and is provided with type ball entrance, lump lime entrance and carbide outlet, and described type ball entrance is with described
The type ball outlet of forming unit is connected.
System the most according to claim 1, it is characterised in that
The type ball of type ball entrance and described forming unit that described carbide smelts unit is exported and is connected by heat-insulation conveying device, institute
Stating heat-insulation conveying device is heat-preserving container or insulation carrier bar；
The high-temperature semi-coke outlet of described pulverized coal pyrolysis unit and the high-temperature semi-coke entrance of described mixed cell are by insulation conveying dress
Put connected.
System the most according to claim 1, it is characterised in that described system also includes feed material preparation units, described former
Material pretreatment unit includes that coal breaker, described coal breaker are provided with discharge, described discharge and described coal dust
The coal powder entrance of pyrolysis unit is connected.
System the most according to claim 1, it is characterised in that described pulverized coal pyrolysis unit is coal fast pyrogenation stove.
System the most according to claim 1, it is characterised in that described cooling unit is device for cooling between condensed water.
System the most according to claim 1, it is characterised in that described mixed cell is agitating device.
System the most according to claim 1, it is characterised in that described forming unit is ball press.
System the most according to claim 1, it is characterised in that it is furnace of calcium carbide that described carbide smelts unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620557285.3U CN205668945U (en) | 2016-06-08 | 2016-06-08 | Pyrolysis profit is utilized to prepare the system of carbide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620557285.3U CN205668945U (en) | 2016-06-08 | 2016-06-08 | Pyrolysis profit is utilized to prepare the system of carbide |
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| Publication Number | Publication Date |
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| CN205668945U true CN205668945U (en) | 2016-11-02 |
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|---|---|---|---|
| CN201620557285.3U Expired - Fee Related CN205668945U (en) | 2016-06-08 | 2016-06-08 | Pyrolysis profit is utilized to prepare the system of carbide |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479576A (en) * | 2016-12-13 | 2017-03-08 | 神雾环保技术股份有限公司 | The system and method that a kind of fluidized bed coal gasification and calcium carbide smelt coupling |
| CN106479574A (en) * | 2016-12-13 | 2017-03-08 | 神雾环保技术股份有限公司 | Coal gasification and calcium carbide smelt the system of coupling and with its calcium carbide processed and the method for coal gas |
| CN106497608A (en) * | 2016-12-13 | 2017-03-15 | 神雾环保技术股份有限公司 | A kind of coupling prepares the system and method without tar coal gas and calcium carbide |
| CN106517204A (en) * | 2016-11-16 | 2017-03-22 | 神雾环保技术股份有限公司 | Special system and method for forming calcium carbide raw material |
| CN107265456A (en) * | 2017-07-20 | 2017-10-20 | 神雾环保技术股份有限公司 | The system and method that calcium carbide is prepared using solid waste pyrolysis |
| CN107285317A (en) * | 2017-07-20 | 2017-10-24 | 神雾环保技术股份有限公司 | A kind of system and method for preparing calcium carbide |
| CN107337208A (en) * | 2017-07-20 | 2017-11-10 | 神雾环保技术股份有限公司 | A kind of system and method that calcium carbide is produced using biomass pyrolytic |
-
2016
- 2016-06-08 CN CN201620557285.3U patent/CN205668945U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517204A (en) * | 2016-11-16 | 2017-03-22 | 神雾环保技术股份有限公司 | Special system and method for forming calcium carbide raw material |
| CN106479576A (en) * | 2016-12-13 | 2017-03-08 | 神雾环保技术股份有限公司 | The system and method that a kind of fluidized bed coal gasification and calcium carbide smelt coupling |
| CN106479574A (en) * | 2016-12-13 | 2017-03-08 | 神雾环保技术股份有限公司 | Coal gasification and calcium carbide smelt the system of coupling and with its calcium carbide processed and the method for coal gas |
| CN106497608A (en) * | 2016-12-13 | 2017-03-15 | 神雾环保技术股份有限公司 | A kind of coupling prepares the system and method without tar coal gas and calcium carbide |
| CN107265456A (en) * | 2017-07-20 | 2017-10-20 | 神雾环保技术股份有限公司 | The system and method that calcium carbide is prepared using solid waste pyrolysis |
| CN107285317A (en) * | 2017-07-20 | 2017-10-24 | 神雾环保技术股份有限公司 | A kind of system and method for preparing calcium carbide |
| CN107337208A (en) * | 2017-07-20 | 2017-11-10 | 神雾环保技术股份有限公司 | A kind of system and method that calcium carbide is produced using biomass pyrolytic |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee after: Shenwu science and technology group Limited by Share Ltd Address before: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee before: Beijing Shenwu Environment Energy Technology Group Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: System and method for preparing calcium carbide through pyrolyzed oil-water Effective date of registration: 20180330 Granted publication date: 20161102 Pledgee: Tianfeng securities Limited by Share Ltd Pledgor: Shenwu science and technology group Limited by Share Ltd Registration number: 2018990000247 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Granted publication date: 20161102 Termination date: 20180608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |