CN203612982U - Freezing separation device suitable for refuse landfill leachate - Google Patents
Freezing separation device suitable for refuse landfill leachate Download PDFInfo
- Publication number
- CN203612982U CN203612982U CN201320563948.9U CN201320563948U CN203612982U CN 203612982 U CN203612982 U CN 203612982U CN 201320563948 U CN201320563948 U CN 201320563948U CN 203612982 U CN203612982 U CN 203612982U
- Authority
- CN
- China
- Prior art keywords
- percolate
- leachate
- subzero fractionation
- heat pump
- source heat
- 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.)
- Withdrawn - After Issue
Links
- 230000008014 freezing Effects 0.000 title abstract description 10
- 238000007710 freezing Methods 0.000 title abstract description 10
- 238000000926 separation method Methods 0.000 title abstract description 10
- 239000000149 chemical water pollutant Substances 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000008018 melting Effects 0.000 claims abstract description 3
- 238000002844 melting Methods 0.000 claims abstract description 3
- 238000005194 fractionation Methods 0.000 claims description 47
- 239000010813 municipal solid waste Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 238000011068 loading method Methods 0.000 claims description 10
- 239000006200 vaporizer Substances 0.000 claims description 10
- 238000004378 air conditioning Methods 0.000 claims description 9
- 238000011049 filling Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 239000005457 ice water Substances 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 9
- 238000009834 vaporization Methods 0.000 description 6
- 230000008016 vaporization Effects 0.000 description 6
- 239000010865 sewage Substances 0.000 description 4
- 230000009102 absorption Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000031018 biological processes and functions Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013526 supercooled liquid Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a freezing separation device suitable for refuse landfill leachate, relating to the technical field of energy conservation and environmental protection. According to the device disclosed by the utility model, the collected leachate is subjected to two-stage pre-cooling of a leachate pre-cooling system and then conveyed into a leachate freezing separation system. An evaporator in a ground source heat pump provides cooling capacity, and a condenser dissipates the heat into the refuse landfill layer through a buried pipe. In the leachate freezing separation system, the pure water generated after leachate separation is conveyed into an ice water heat exchange system for melting, and the cooling capacity is further provided; the molten pure water is conveyed into a first-stage pre-cooling regulation pool of the leachate pre-cooling system. The leachate freezing separation system conveys the concentrated liquid generated by separation into a second-stage pre-cooling regulation pool of the leachate pre-fooling system. According to the device disclosed by the utility model, the leachate is subjected to freezing separation through the ground source heat pump by use of the cooling capacity of the refuse landfill layer so as to realize reducing and harmless treatment on the leachate; the freezing separation device has the characteristics of low cost and good effect of harmless treatment.
Description
Technical field
The utility model relates to energy-conserving and environment-protective technical field, is particularly applicable to the subzero fractionation device of percolate from garbage filling field.
Background technology
China's domestic waste is with 9% speed increment every year on average, and the whole nation has more than 1/3rd cities to be surrounded by rubbish at present, and National urban rubbish is stored up 750,000 mu of accumulative total appropriation of land.Garbage loading embeading technology, because its technology is simple, treatment capacity large, expense is lower, has become the preferred manner of domestic and international most cities disposal of garbage.After garbage loading embeading, can produce a large amount of percolates at the seepage effect of the leaching of precipitation and surface water, underground water.In percolate, contain a large amount of heavy metals, ammonia nitrogen and various difficult degradation harmful and noxious substance, can not directly enter municipal sewage pipe network, must be processed.Along with the quickening of Urbanization in China, landfill yard is more and more, and the percolate total amount producing is also increasing, and the minimizing of percolate, harmless treatment become a problem demanding prompt solution.
In prior art, the general treatment process of percolate has biological process or physico-chemical process, but because leachate quality complicated component, Pollutant levels are high, and biological process and physico-chemical process be to leachate quality sensitivity, and treatment effect cannot ensure, and manufacturing expense and running cost high.Do not have up to now a kind of maturation and economic technology to carry out thoroughly efficient and mass-producing processing to percolate.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of subzero fractionation device that is applicable to percolate from garbage filling field.The cold that it utilizes Aerated Landfill Layers, carries out subzero fractionation by earth source heat pump to percolate, makes percolate obtain minimizing, harmless treatment, has the advantages that cost is low, harmless treatment is effective.
In order to reach foregoing invention object, the technical solution of the utility model realizes as follows:
Be applicable to a subzero fractionation device for percolate from garbage filling field, its constructional feature is that it comprises Aerated Landfill Layers and leachate collection system, earth source heat pump, percolate subzero fractionation device, frozen water heat-exchange system, percolate chilldown system and air-conditioning system.In Aerated Landfill Layers in Aerated Landfill Layers and leachate collection system, be equipped with underground pipe, earth source heat pump is made up of the condenser connecting successively, throttling valve, vaporizer and compressor.The percolate that Aerated Landfill Layers and leachate collection system are collected is sent in percolate subzero fractionation device after the one-level precooling equalizing tank in percolate chilldown system and the precooling of secondary precooling equalizing tank two-stage.Vaporizer in earth source heat pump provides cold for percolate subzero fractionation device, and the condenser in earth source heat pump heats sink in Aerated Landfill Layers by underground pipe.The pure ice cube that percolate subzero fractionation device produces after percolate is separated is delivered in frozen water heat-exchange system and is melted, and further for air-conditioning system provides cold, the pure water after frozen water heat-exchange system melts is admitted in the one-level precooling equalizing tank of percolate chilldown system; The concentrated solution that percolate subzero fractionation device produces after percolate is separated is sent in the secondary precooling equalizing tank of percolate chilldown system.
In above-mentioned subzero fractionation device, described underground pipe is laid in garbage loading embeading process simultaneously, adopts the impregnating material of energy high efficient heat exchanging.
In above-mentioned subzero fractionation device, described earth source heat pump vaporization temperature scope is between-25 ℃～-5 ℃, and condensing temperature scope is 15 ℃～50 ℃; Vaporization temperature and condensing temperature are controlled by superheating temperature, condensate depression or the refrigerant flow of earth source heat pump.
The utility model, owing to having adopted said structure, compared with prior art, has the following advantages: the one, and the utility model system is insensitive to composition, the concentration etc. of percolate, has adaptability flexibly; The 2nd, the percolate subzero fractionation device in the utility model is separated into percolate more easily to process pure water and concentrated solution, greatly reduces the treatment capacity of percolate, has reduced the intractability of percolate; The 3rd, utilize the energy of landfill waste, when freezing treatment percolate, can provide cold to Administrative Area air-conditioning system again, save energy, reduces pollutant emission; The 4th, make full use of the cold that melts pure ice cube, percolate is carried out to precooling treatment, save energy; The 5th, earth source heat pump efficiency is high, energy-conserving and environment-protective; The 6th, in garbage loading embeading process, lay underground pipe, save engineering cost
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present utility model.
Embodiment
Referring to Fig. 1, the utility model subzero fractionation device comprises Aerated Landfill Layers and leachate collection system I, earth source heat pump II, percolate subzero fractionation device III, frozen water heat-exchange system IV, percolate chilldown system V and air-conditioning system VI.1 li of Aerated Landfill Layers in Aerated Landfill Layers and leachate collection system I is equipped with the underground pipe 2 that the impregnating material of employing energy high efficient heat exchanging is made, and earth source heat pump II is made up of the condenser 3 connecting successively, throttling valve 6, vaporizer 5 and compressor 4.The percolate that Aerated Landfill Layers and leachate collection system I are collected is sent in percolate subzero fractionation device III after the one-level precooling equalizing tank 19 in percolate chilldown system V and the 20 two-stage precoolings of secondary precooling equalizing tank.Vaporizer 5 in earth source heat pump II provides cold for percolate subzero fractionation device III, and the condenser 3 in earth source heat pump II heats sink in Aerated Landfill Layers 1 by underground pipe 2.The pure ice cube that percolate subzero fractionation device III produces after percolate is separated is delivered in frozen water heat-exchange system IV and is melted, and further for air-conditioning system VI provides cold, the pure water after frozen water heat-exchange system IV is melted is admitted in the one-level precooling equalizing tank 19 of percolate chilldown system V.The concentrated solution that percolate subzero fractionation device III produces after percolate is separated is sent in the secondary precooling equalizing tank 20 of percolate chilldown system V.Earth source heat pump II vaporization temperature scope is between-25 ℃～-5 ℃, and condensing temperature scope is 15 ℃～50 ℃; Vaporization temperature and condensing temperature are controlled by superheating temperature, condensate depression or the refrigerant flow of earth source heat pump.
In the utility model, Aerated Landfill Layers and leachate collection system I comprise Aerated Landfill Layers 1, are arranged in leachate collection pipeline 16, flow control valve B17 and the flow control valve C18 of Aerated Landfill Layers 1.Garbage loading embeading process adopts the mode of unit layering earthing landfill, after accumulation one deck rubbish, covers one deck loess again, forms Aerated Landfill Layers 1, and this is a little Storage Unit.After garbage loading embeading, under leaching by precipitation and surface water, seepage action of ground water effect, produce percolate, percolate is delivered to percolate chilldown system V and percolate subzero fractionation device III by leachate collection pipeline 16.Control the throughput ratio that enters percolate in percolate chilldown system V and percolate subzero fractionation device III by flow control valve B17, flow control valve C18, and then control the temperature of percolate subzero fractionation device III.
Earth source heat pump II in the utility model comprises underground pipe 2, condenser 3, compressor 4, vaporizer 5, throttling valve 6 and is arranged in the chilled water pipe 21 of percolate subzero fractionation device III.Underground pipe 2 is laid in Aerated Landfill Layers 1 in garbage loading embeading process, and underground pipe 2 adopts the impregnating material of energy high efficient heat exchanging to make.Refrigeration agent isobaric heat absorption in vaporizer 5 becomes superheated vapo(u)r from liquid state, become high pressure high temperature vapor through compressor 4 compressions, enter the isobaric heat release of condenser 3 and become supercooled liquid, become low-temp low-pressure damp steam through throttling valve 6 throttlings, continue to enter vaporizer 5 isobaric heat absorptions, so circulation.The heat of secondary refrigerant in refrigeration agent absorption refrigerating water pipe 21 in vaporizer 5, for percolate subzero fractionation device III provides cold.Secondary refrigerant heat exchange in condenser 3 in refrigeration agent and underground pipe 2, finally heats sink in Aerated Landfill Layers 1.Earth source heat pump vaporization temperature scope is between-25 ℃～-5 ℃, and condensing temperature scope is 15 ℃～50 ℃; Vaporization temperature and condensing temperature are controlled by superheating temperature, condensate depression or the refrigerant flow of earth source heat pump.
Percolate subzero fractionation device III in the utility model comprises ice removal 14, percolate subzero fractionation pond 15.Percolate after precooling is admitted in percolate subzero fractionation pond 15, and chilled water pipe 21 provides cold for percolate subzero fractionation pond 15.The zero pour of solute is far below the zero pour of more easily processing pure water, when freezing percolate, wherein can be by impurity exclusion compared with easy processing pure water and first with solid separation, residual percolate is concentrated, percolate is frozen and is separated into pure ice cube and concentrated solution in percolate subzero fractionation pond 15.The pure ice cube producing in percolate subzero fractionation pond 15 is delivered to frozen water heat-exchange system IV by ice removal 14.
Frozen water heat-exchange system IV in the utility model comprises surface cooler 8, reservoir 10, flow control valve A11, secondary refrigerant spiral coil cooling tube 12 and frozen water interchanger 13.The pure ice cube producing in percolate subzero fractionation device III absorbs the heat of secondary refrigerant in secondary refrigerant spiral coil cooling tube 12 in frozen water interchanger 13, melts as more easily processing pure water.Secondary refrigerant in secondary refrigerant spiral coil cooling tube 12 is at surface cooler 8 places and air heat-exchange, and temperature raises; Regulate the temperature of the flow control surface cooler 8 of secondary refrigerant by flow control valve A11, and then the temperature of conditioner VI is regulated, unnecessary secondary refrigerant is stored in liquid storage bottle 10.
Percolate chilldown system V in the utility model comprises one-level precooling equalizing tank 19 and secondary precooling equalizing tank 20.The pure water of more easily processing that frozen water heat-exchange system IV produces is admitted to one-level precooling equalizing tank 19, and the percolate of Aerated Landfill Layers and the collection of leachate collection system I is carried out to one-level precooling.The concentrated solution producing in percolate subzero fractionation device III is admitted to secondary precooling equalizing tank 20 percolate after one-level precooling is carried out to secondary precooling, further reduces the temperature of percolate, fully recycles the cold of percolate subzero fractionation device III.
Air-conditioning system VI in the utility model comprises air-conditioned room 7 and induced draft fan 9.Outdoor new wind, after induced draft fan 9 and surface cooler 8 heat exchange, reaches ventilation state point, enters air-conditioned room 7, realizes the cooling air regulatory demand of Administrative Area.
Produce through the utility model system subzero fractionation more easily process pure water and reach the existing relevant emission standard of country time, can directly discharge.While reaching the standard that enters municipal sewage pipe network, can enter municipal sewage pipe network, process together with municipal effluent; Or carry out the low biological treatment of processing costs.The concentrated solution producing through the utility model system subzero fractionation, can send into incinerator and burn or recharge to refuse landfill and recharge processing.Through the percolate of the utility model subzero fractionation, intractability reduces greatly, treatment capacity obviously reduces, and has reached the requirement of minimizing, harmless treatment.
The utility model combines ground source heat pump technology and subzero fractionation treatment technology carries out minimizing, harmless treatment to percolate from garbage filling field.Ground source heat pump technology is the geothermal energy resources that utilize shallow surface, by inputting a small amount of high-grade energy, can realize the transfer of energy from low-temperature heat source to high temperature heat source, has advantages of energy-efficient, environmental protection.The common floor space of refuse landfill is wide, landfill capacity is large, is a huge energy storage pool after closing, and the utility model can make full use of the energy of landfill waste by earth source heat pump II.And in garbage loading embeading process, according to unit stratified operation, in garbage loading embeading process, lay the underground pipe 2 of earth source heat pump, can greatly reduce the engineering cost that underground pipe 2 is laid.Subzero fractionation treatment technology does not have selectivity to the processing of dirty waste water, and composition, concentration to percolate are insensitive, and treating processes is carried out at low temperatures, little to the corrodibility of equipment, can effectively reduce the stench of landfill yard.Percolate is separated into pure ice cube and the concentrated solution containing difficult degradation impurity by subzero fractionation treatment technology in the utility model, pure ice cube can directly discharge after melting, or be incorporated to municipal sewage pipe network processing, or discharge after the low biological process of processing costs is processed, concentrated solution can burn or recharge processing, has greatly reduced the treatment capacity of percolate.Pure ice cube in freezing treatment also can be used as the supplier of refrigerator chamber, air-conditioning cold energy.
The utility model is when external temperature is used compared with lowland area in the winter time, if while utilizing nature cold energy just can meet requiring of percolate subzero fractionation, without opening earth source heat pump II.Now can open earth source heat pump heating mode, set up the pipeline between condenser and Office Area conditioner, condenser heat is dissipated to Office Area conditioner, heating is carried out in Office Area.
Claims (2)
1. one kind is applicable to the subzero fractionation device of percolate from garbage filling field, it is characterized in that, it comprises Aerated Landfill Layers and leachate collection system (I), earth source heat pump (II), percolate subzero fractionation system (III), frozen water heat-exchange system (IV), percolate chilldown system (V) and air-conditioning system (VI), the inner underground pipe (2) that is equipped with of Aerated Landfill Layers (1) in Aerated Landfill Layers and leachate collection system (I), earth source heat pump (II) is by the condenser connecting successively (3), throttling valve (6), vaporizer (5) and compressor (4) composition, the percolate that Aerated Landfill Layers and leachate collection system (I) are collected is sent in percolate subzero fractionation system (III) after the one-level precooling equalizing tank (19) in percolate chilldown system (V) and secondary precooling equalizing tank (20) two-stage precooling, vaporizer (5) in earth source heat pump (II) provides cold for percolate subzero fractionation system (III), and the condenser (3) in earth source heat pump (II) heats sink to Aerated Landfill Layers (1) by underground pipe (2), the pure ice cube that percolate subzero fractionation system (III) produces after percolate is separated is delivered in frozen water heat-exchange system (IV) and is melted, and providing cold for air-conditioning system (VI), the pure water after melting in frozen water heat-exchange system (IV) is sent in the one-level precooling equalizing tank (19) of percolate chilldown system (V), the concentrated solution that percolate subzero fractionation system (III) produces after percolate is separated is sent in the secondary precooling equalizing tank (20) of percolate chilldown system (V).
2. the subzero fractionation device that is applicable to percolate from garbage filling field according to claim 1, is characterized in that, described underground pipe (2) is laid in garbage loading embeading process simultaneously, adopts impregnating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563948.9U CN203612982U (en) | 2013-09-12 | 2013-09-12 | Freezing separation device suitable for refuse landfill leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563948.9U CN203612982U (en) | 2013-09-12 | 2013-09-12 | Freezing separation device suitable for refuse landfill leachate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203612982U true CN203612982U (en) | 2014-05-28 |
Family
ID=50765640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320563948.9U Withdrawn - After Issue CN203612982U (en) | 2013-09-12 | 2013-09-12 | Freezing separation device suitable for refuse landfill leachate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203612982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445485A (en) * | 2013-09-12 | 2015-03-25 | 同方人工环境有限公司 | Freezing separation system suitable for garbage landfill leachate |
-
2013
- 2013-09-12 CN CN201320563948.9U patent/CN203612982U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445485A (en) * | 2013-09-12 | 2015-03-25 | 同方人工环境有限公司 | Freezing separation system suitable for garbage landfill leachate |
| CN104445485B (en) * | 2013-09-12 | 2016-06-08 | 同方人工环境有限公司 | A kind of freeze and separate system suitable in percolate from garbage filling field |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8567482B2 (en) | Heat tube device utilizing cold energy and application thereof | |
| CN201327309Y (en) | Open and close combined type multi-source double-effect energy tower | |
| CN201327308Y (en) | Closed-type multi-source double-effect energy tower | |
| CN110195991B (en) | Cross-season hybrid heat storage cold and hot combined supply system | |
| CN203501389U (en) | Multiple-effect condensing air conditioner | |
| CN102840639A (en) | Air-conditioning system for canteen | |
| CN101858669B (en) | Water-cooled air conditioning and water heating system | |
| CN203629170U (en) | Composite energy heat pump type energy-saving household central air conditioner | |
| CN201327307Y (en) | Open-type multi-source double-effect energy tower | |
| CN102278836A (en) | Separate hydraulic/geothermal energy cold and hot domestic hotwater integrated central air-conditioning unit | |
| CN105910456A (en) | Green comprehensive cold island equipment and cooling method | |
| CN108870599B (en) | Heat pipe heat storage type air conditioner heat pump device capable of recovering waste heat | |
| CN202083060U (en) | Split water/ground energy heat pump unit | |
| CN107461950A (en) | Seawater circulation utilizes system | |
| CN203612982U (en) | Freezing separation device suitable for refuse landfill leachate | |
| CN203518337U (en) | Efficient buried pipe heat exchange system of ground source heat pump central air conditioner | |
| CN103528295B (en) | The energy-saving residential central air-of compound energy heat-pump-type and control method thereof | |
| CN103851723A (en) | Air conditioning system for restaurant | |
| CN101017018A (en) | Ecological energy saving air-conditioning system device | |
| CN202470264U (en) | Water source heat pump central air conditioning system | |
| CN104445485B (en) | A kind of freeze and separate system suitable in percolate from garbage filling field | |
| CN1324270C (en) | Multiple energy sources driven lithium bromide refrigerating air conditioner | |
| CN103148636A (en) | Air-powered and solar-powered heat-accumulating heat pump system | |
| CN102221251B (en) | Split depressurization water/ground energy cold and warm domestic hot water integrated central air conditioning unit | |
| CN1300524C (en) | Small-sized energy-saving air-cooled thermal insulation absorption gas air-conditioning plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140528 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |