CN206256923U - Suitable for the Tunnel Construction Ventilation System of various environment - Google Patents
Suitable for the Tunnel Construction Ventilation System of various environment Download PDFInfo
- Publication number
- CN206256923U CN206256923U CN201621232866.6U CN201621232866U CN206256923U CN 206256923 U CN206256923 U CN 206256923U CN 201621232866 U CN201621232866 U CN 201621232866U CN 206256923 U CN206256923 U CN 206256923U
- Authority
- CN
- China
- Prior art keywords
- air
- tunnel construction
- various environment
- air pipeline
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Ventilation (AREA)
Abstract
The utility model discloses a kind of Tunnel Construction Ventilation System suitable for various environment, the ventilation blower connected including air pipeline and with air pipeline, the air pipeline is communicated with oxygenation ventilating system, heats ventilating system, and refrigeration ventilating system and dedusting ventilating system are also communicated with the air pipeline.The effect of different tunnel construction environments during practice of construction is adapted to reach by the reasonable distribution between above-mentioned each ventilating system.
Description
Technical field
The utility model is related to constructing tunnel device field, and in particular to a kind of constructing tunnel suitable for various environment leads to
Wind system.
Background technology
With the propulsion of China's the Belt and Road policy, " development of the West Regions " plan deeply and national defence demand, tunnel
Road is built and is gradually elapsed to central and west regions.Central/western China mountain range is crisscross, and physical features is towering, with a varied topography various,
If Qinghai-Tibet Platean is High aititude mountain terrain, severe cold region, dirt band distribution；The many goafs in the Yunnan-Guizhou Plateau, karst；Loess is high
Former ravines and guillies criss-cross, loess spread all over, severe water and soil erosion, ecological extremely fragility.Under the conditions of various complicated, there is provided safety is good
Good tunnel construction environment seems ever more important.Tunnel is built in high altitudes and cold area, at tunnel portal and away from 100 meters of hole
In the range of country rock temperature it is very low, with the driving in tunnel, anoxic and hot environment occur again；When tunnel is by goaf,
Influence of the gas to safety for tunnel engineering should be eliminated, tunnel is by when drying Canal in Loess Area, temperature is raised easily in hole during construction
Cause loess to stroke to raise, the health to workmen is adversely affected.In mountain tunnel construction, personnel inevitably receive in hole
The influence such as moisture in dust and rock mass.
Current country's Tunnel Ventilation System there are problems that, be mainly reflected in：Ventilation blower leads to different construction environments
Wind mode is more fixed, it is difficult to be directed to different practice of construction environment draft type is adjusted in time, to Various Complex ring
The ventilation effect in border is given a discount again.Therefore a kind of construction ventilation of tunnel system that can be applied to various varying environments is needed badly at present
System, for the safety and Health for ensureing tunnel normal construction, ensureing the good construction environment of tunnel safety and workmen, with weight
Big meaning.For example, disclosing a kind of highland and severe cold tunnel in the Chinese patent CN205277471U applied before the applicant
Road construction ventilation system, the system includes heating combined equipment and oxygenation ventilating system, and this Tunnel Ventilation System is only applicable to high and cold
The constructing tunnel construction of high altitude localities, it is impossible to suitable for the construction ventilation of tunnel of various varying environments.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of construction ventilation of tunnel suitable for various environment
System.
In order to solve above-mentioned problem of the prior art, the utility model is realized using following technical scheme：
The utility model is applied to the Tunnel Construction Ventilation System of various environment, including air pipeline and and air pipeline
The ventilation blower of connection, the air pipeline is communicated with oxygenation ventilating system, heats ventilating system, is also connected on the air pipeline
There are refrigeration ventilating system and dedusting ventilating system.In severe cold region environment, oxygenation ventilating system and ventilating system is heated simultaneously
Start, the temperature in tunnel can be properly increased, increase oxygen content in tunnel, meet temperature and air quality in tunnel
The Minimum requirements of workmen.In the serious Climatic regionalization environment of dust, refrigeration ventilating system and dedusting ventilating system are beaten simultaneously
Open, the warm-up movement of dust can be weakened, preferably adsorbed, reduced stroking for dust and raise, while moderately can reduce in tunnel
Temperature and country rock surface temperature, construction operation to workmen and healthy significantly improve effect.Work as construction environment
It is more complicated, such as when tunnel is built in high altitudes and cold area, the country rock temperature at tunnel portal and in the range of 100 meters of hole
It is very low, with the driving in tunnel, anoxic and hot environment occur again, now need to heat ventilating system using first use, it
Afterwards using oxygenation ventilating system and refrigeration ventilating system, by the reasonable distribution between above-mentioned each ventilating system reaching adaptation
The effect of different tunnel construction environments during practice of construction.
As the further improvement of the above-mentioned Tunnel Construction Ventilation System suitable for various environment, the refrigeration ventilating system
Joined end to end successively including evaporator, gas-liquid separator, compressor, condenser, device for drying and filtering, heating power expansion valve, the pressure
Extend a bypass between contracting machine and condenser to be connected between evaporator and heating power expansion valve, the bypass is provided with bypass electricity
Magnet valve.Thus to being passed through cold air in construction tunnel to reduce the temperature in tunnel.
As the further improvement of the above-mentioned Tunnel Construction Ventilation System suitable for various environment, the dedusting ventilating system
It is the water mist sprinkling system connected with air pipeline.
Further, the water mist sprinkling system is arranged at the air outlet of air pipeline.The water mist sprinkling system is kept away
Exempt from water smoke to be attached in draught tube walls, improve the efficiency of dust collection of system.
Further, the water mist sprinkling system includes water supply branch road, supply branch road, the water supply branch road and supply branch road
Converge and be sequentially communicated with air and liquid mixer, hydraulic spray nozzle, the water mist sprinkling system is provided with particle concentration detector.Thus
The water mist sprinkling system of composition preferably can carry out dedusting according to the particle concentration situation in tunnel.Further, institute
Stating water supply branch road includes the water tank, water pump, hydraulic valve, the water ga(u)ge that are sequentially connected, and the supply branch road includes what is be sequentially connected
Supply ventilation blower, air compressor, air pressure valve, mass air flow sensor.
It is described to heat ventilating system as the further improvement of the above-mentioned Tunnel Construction Ventilation System suitable for various environment
Including the hot pressing blower fan, air heater, the hot gas conveyer that are sequentially connected.Can be hot to being supplied in construction tunnel by the structure
Air.
As the further improvement of the above-mentioned Tunnel Construction Ventilation System suitable for various environment, the oxygenation ventilating system
Including the oxygenation ventilation blower, precondenser, clarifier, air compressor, whole condenser, pneumatic type angle valve, the transformation that are sequentially connected
Absorber, oxygen collecting tank, oxygen pressure reducing valve, oxygen flow meter, the pressure swing adsorber are connected with nitrogen collecting pipe.Said structure
The oxygen content in tunnel can be increased.
As the further improvement of the above-mentioned Tunnel Construction Ventilation System suitable for various environment, the oxygenation ventilating system
It is arranged at the interlude of air pipeline.Oxygenation ventilating system is arranged at the interlude more energy-conservation of air pipeline, and oxygenation effect is more
It is good.
Used as the further improvement of the above-mentioned Tunnel Construction Ventilation System suitable for various environment, the ventilation blower is arranged at
The air inlet of air pipeline.The ventilation blower is arranged at air inlet and is more favorable for the suction of extraneous air and along air pipeline
Circulation is last from air outlet discharge.
Below by way of accompanying drawing and specific embodiment, the invention will be further described.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is to heat the structural representation of ventilating system in the utility model.
Fig. 3 is the structural representation of refrigeration ventilating system in the utility model.
Fig. 4 is the structural representation of oxygenation ventilating system in the utility model.
Fig. 5 is the structural representation of dedusting ventilating system in the utility model.
Specific embodiment
As shown in figure 1, the utility model is installed on inside construction tunnel 7, the utility model is applied to the tunnel of various environment
Road construction ventilation system, including air pipeline 6, bypass is provided with four bypass lines, two of which bypass on the air pipeline 6
Pipeline is respectively arranged at air inlet end, and one of them of two other bypass line is arranged at the stage casing of air pipeline 6, another
The air opening end of air pipeline 6 is arranged at, the air inlet of air pipeline 6 is provided with ventilation blower 1, and two are arranged at air inlet end
Warm ventilating system 2, refrigeration ventilating system 4, the bypass pipe for being arranged at the stage casing of air pipeline 6 are separately installed with bypass line
Oxygenation ventilating system 3 is installed, described being arranged in the bypass line of the air opening end of air pipeline 6 is provided with dedusting and leads in road
Wind system 5.Direction in Fig. 1 shown in arrow is air circulation direction.
As shown in Fig. 2 the ventilating system 2 that heats includes the hot pressing blower fan 21, the air heater 22, hot gas that are sequentially connected
Conveyer 23.
As shown in figure 3, the oxygenation ventilating system 3 includes the oxygenation ventilation blower 31, precondenser 32, the purification that are sequentially connected
Device 33, air compressor 34, whole condenser 35, pneumatic type angle valve 36, pressure swing adsorber 37, the decompression of oxygen collecting tank 39, oxygen
Valve 310, oxygen flow meter 311, the pressure swing adsorber 37 are connected with nitrogen collecting pipe 38.
As shown in figure 4, the refrigeration ventilating system 4 includes evaporator 41, gas-liquid separator 42, compressor 43, condenser
44th, device for drying and filtering 46, heating power expansion valve 47 are joined end to end successively, and one is extended between the compressor 43 and condenser 44
Bypass is connected between evaporator 41 and heating power expansion valve 47, and the bypass is provided with bypass solenoid valve 45.
As shown in figure 5, the dedusting ventilating system 5 is the water mist sprinkling system connected with air pipeline 6, the water smoke spray
Pouring system is arranged at the air outlet of air pipeline 6.The water mist sprinkling system includes water supply branch road, supply branch road, the confession
Water branch road converges and is sequentially communicated with air and liquid mixer 59, hydraulic spray nozzle 510 with supply branch road, and the water mist sprinkling system is provided with
Particle concentration detector, the water supply branch road includes the water tank 51, water pump 52, hydraulic valve 53, the water ga(u)ge 54 that are sequentially connected,
The supply branch road includes the supply ventilation blower 55, air compressor 56, the air pressure valve 57, mass air flow sensor that are sequentially connected
58。
It is below the course of work of the present utility model：
During using heating ventilating system 2, hot pressing blower fan 21 by air concentrate press-in air heater 22, it is heat-treated after
Formed hot gas, by hot gas conveyer 23 it is high-efficiency continuous be transported in air pipeline 6, be transported to air pipeline 6 with ventilation blower 1
In air mixing, form endlessly hot pressing air-flow, be pressed into tunnel internal, temperature in tunnel is increased.
During using refrigeration ventilating system 4, low temperature low pressure gas are compressed into HTHP by compressor 43 in refrigeration system
Gas, cools into condenser 44, the dry filter in device for drying and filtering 46, enters back into the cooling drop of heating power expansion valve 47
, afterwards into evaporator 41, there is heat exchange in pressure, the heat of air is quickly taken away, to reach in the presence of ventilation blower 1 with air
Required temperature is cooled to the air that will be used.The preferred pipe-coil type evaporator of the evaporator 41, the compressor 43 is preferred
It is scroll compressor 43, the condenser 44 is preferably finned cooler.
During using oxygenation ventilating system 3, oxygenation blower fan 31 by air plenum ventilation pipe, first pass through precondenser 32 carry out it is pre-
Cold treatment, purifies subsequently into clarifier 33, remove the gas such as a small amount of moisture, carbon dioxide, hydrocarbon in air and
The impurity such as dust, air is mainly nitrogen and oxygen after purification.The nitrogen in mixed gas is removed, the air after purification is defeated
To enter be compressed in air compressor 34, the air after compression carries out cooling treatment by whole condenser 35, in pneumatic type angle valve
Under 36 regulation and control, the air after cooling is input into pressure swing adsorber 37 with certain flow, using the dedicated molecular sieve used suctions of VPSA therein
Receive nitrogen, molecular sieve is desorbed under the state that vacuumizes, nitrogen is discharged from nitrogen collecting pipe 38, circulation be obtained purity compared with
Oxygen high, is continuously input in oxygen collecting tank 39.Under the regulation and control of oxygen pressure reducing valve 310, can be according to being applied in hole
Be input to the oxygen in oxygen collecting tank 39 in tunnel with certain flow by the demand of work environment and operating personnel, the oxygen of discharge
Flow can be by the at-once monitor of oxygen flow meter 311.The term VPSA is to vacuumize when referring to pressure-swing absorption apparatus emission
(under negative pressure condition) parsing, the ratio of this kind of mode pressure-variable adsorption tail gas impurity parsing is more thoroughly.
During using dedusting ventilating system 5, dedusting ventilating system 5 is main to molecules such as the dust in hole in constructing tunnel
Processed, water mist sprinkling system is provided with particle concentration detector, and dust treatment plant is obtained when detector numerical value is exceeded
Sensing, release water smoke is processed dust.When dedusting ventilating system starts, water pump 52 and air compressor 56 start fortune respectively
Defeated water and air, the flow of water and air is regulated and controled by hydraulic valve 53 and air pressure valve 57 respectively, respectively by water ga(u)ge 54
With the uninterrupted that mass air flow sensor 58 can be transported to the water and air in air and liquid mixer 59 with real-time monitoring.Through gas-liquid mixed
Device 59 is processed, and is transported to and spraying is formed at hydraulic spray nozzle 510.
User can determine the opening and closing of above-mentioned each ventilating system according to specific tunnel construction environment.Such as in height
Cold anaerobic environment, oxygenation ventilating system starts simultaneously with ventilating system is heated, and can properly increase the temperature in tunnel, increases tunnel
Oxygen content in road, makes temperature and air quality in tunnel meet the Minimum requirements of workmen.In the serious high temperature of dust
Hot environment, refrigeration ventilating system and dedusting ventilating system are opened simultaneously, can be weakened the warm-up movement of dust, preferably be inhaled
Attached, stroking for dust of reduction is raised, while temperature and country rock surface temperature in tunnel can be reduced moderately, the construction to workmen is made
Industry and healthy significantly improve effect.When construction environment is more complicated, such as when tunnel is built in high altitudes and cold area,
Country rock temperature at tunnel portal and in the range of 100 meters of hole is very low, with the driving in tunnel, anoxic and heat evil occurs again
Environment, now needs, using first using ventilating system is heated, afterwards using oxygenation ventilating system and refrigeration ventilating system, to pass through
Reasonable distribution between above-mentioned each ventilating system adapts to the effect of different tunnel construction environments during practice of construction to reach.
Claims (10)
1. suitable for the Tunnel Construction Ventilation System of various environment, including air pipeline (6) and connect with air pipeline (6)
Ventilation blower (1), the air pipeline (6) is communicated with oxygenation ventilating system (3), heats ventilating system (2), it is characterised in that institute
State and refrigeration ventilating system (4) and dedusting ventilating system (5) are also communicated with air pipeline (6).
2. as claimed in claim 1 suitable for the Tunnel Construction Ventilation System of various environment, it is characterised in that the refrigeration is led to
Wind system (4) includes pipe-coil type evaporator (41), gas-liquid separator (42), compressor (43), condenser (44), device for drying and filtering
(46), heating power expansion valve (47) is joined end to end successively, and a bypass is extended between the compressor (43) and condenser (44)
It is connected between evaporator (41) and heating power expansion valve (47), the bypass is provided with bypass solenoid valve (45).
3. as claimed in claim 1 suitable for the Tunnel Construction Ventilation System of various environment, it is characterised in that the dedusting is led to
Wind system (5) is the water mist sprinkling system connected with air pipeline (6).
4. as claimed in claim 3 suitable for the Tunnel Construction Ventilation System of various environment, it is characterised in that the water smoke spray
Pouring system is arranged at the air opening end of air pipeline (6).
5. as claimed in claim 3 suitable for the Tunnel Construction Ventilation System of various environment, it is characterised in that the water smoke spray
Pouring system includes water supply branch road, supply branch road, and the water supply branch road converges and air and liquid mixer (59), water smoke spray with supply branch road
Mouth (510) is sequentially communicated, and the water mist sprinkling system is provided with particle concentration detector.
6. as claimed in claim 5 suitable for the Tunnel Construction Ventilation System of various environment, it is characterised in that the water supply branch
Road includes the water tank (51), water pump (52), hydraulic valve (53), the water ga(u)ge (54) that are sequentially connected, the supply branch road include according to
Secondary connected supply ventilation blower (55), air compressor (34), air pressure valve (57), mass air flow sensor (58).
7. as claimed in claim 1 suitable for various environment Tunnel Construction Ventilation System, it is characterised in that it is described heat it is logical
Wind system (2) includes the hot pressing blower fan (21), air heater (22), the hot gas conveyer (23) that are sequentially connected.
8. as claimed in claim 1 suitable for the Tunnel Construction Ventilation System of various environment, it is characterised in that the oxygenation is led to
Wind system (3) including be sequentially connected oxygenation ventilation blower (31), precondenser (32), clarifier (33), air compressor (34),
Whole condenser (35), pneumatic type angle valve (36), pressure swing adsorber (37), oxygen collecting tank (39), oxygen pressure reducing valve (310), oxygen
Air-flow gauge (311), the pressure swing adsorber (37) is connected with nitrogen collecting pipe (38).
9. as claimed in claim 1 suitable for the Tunnel Construction Ventilation System of various environment, it is characterised in that the increasing
Oxygen ventilating system (3) is arranged at the interlude of air pipeline (6).
10. as claimed in claim 1 suitable for the Tunnel Construction Ventilation System of various environment, it is characterised in that the ventilation
Machine (1) is arranged at the air inlet of air pipeline (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621232866.6U CN206256923U (en) | 2016-11-17 | 2016-11-17 | Suitable for the Tunnel Construction Ventilation System of various environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621232866.6U CN206256923U (en) | 2016-11-17 | 2016-11-17 | Suitable for the Tunnel Construction Ventilation System of various environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206256923U true CN206256923U (en) | 2017-06-16 |
Family
ID=59025411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621232866.6U Expired - Fee Related CN206256923U (en) | 2016-11-17 | 2016-11-17 | Suitable for the Tunnel Construction Ventilation System of various environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206256923U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130969A (en) * | 2019-05-16 | 2019-08-16 | 黄河勘测规划设计研究院有限公司 | Method of ventilation for Super-long tunnel construction |
| CN110185485A (en) * | 2019-07-08 | 2019-08-30 | 中国电建集团成都勘测设计研究院有限公司 | Heat pressing type Tunnel Ventilation System for High aititude High-geotemperature long tunnel |
| CN110242340A (en) * | 2019-07-16 | 2019-09-17 | 杭州创威实业股份有限公司 | A kind of depth tunnel oxygen rich gas circulatory system |
| CN110715386A (en) * | 2018-07-12 | 2020-01-21 | 南京梅山冶金发展有限公司 | Automatic regulating device in semi-sealing equipment |
| CN111396117A (en) * | 2020-05-14 | 2020-07-10 | 徐州工程学院 | Method for achieving dust settling through linkage of liquid nitrogen mist and fine water mist on fully mechanized excavation face |
| CN113047895A (en) * | 2021-02-01 | 2021-06-29 | 安徽理工大学 | Wind-water linkage spraying dust-settling device and dust-settling method thereof |
| CN113446044A (en) * | 2021-07-06 | 2021-09-28 | 西南交通大学 | Ventilation self-adsorption oxygen generation automatic inflation air bag supercharging cabin full-tunnel oxygen supply device |
-
2016
- 2016-11-17 CN CN201621232866.6U patent/CN206256923U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715386A (en) * | 2018-07-12 | 2020-01-21 | 南京梅山冶金发展有限公司 | Automatic regulating device in semi-sealing equipment |
| CN110130969A (en) * | 2019-05-16 | 2019-08-16 | 黄河勘测规划设计研究院有限公司 | Method of ventilation for Super-long tunnel construction |
| CN110185485A (en) * | 2019-07-08 | 2019-08-30 | 中国电建集团成都勘测设计研究院有限公司 | Heat pressing type Tunnel Ventilation System for High aititude High-geotemperature long tunnel |
| CN110185485B (en) * | 2019-07-08 | 2023-12-05 | 中国电建集团成都勘测设计研究院有限公司 | Hot-pressing type tunnel ventilation system for high-altitude high-ground-temperature long tunnel |
| CN110242340A (en) * | 2019-07-16 | 2019-09-17 | 杭州创威实业股份有限公司 | A kind of depth tunnel oxygen rich gas circulatory system |
| CN111396117A (en) * | 2020-05-14 | 2020-07-10 | 徐州工程学院 | Method for achieving dust settling through linkage of liquid nitrogen mist and fine water mist on fully mechanized excavation face |
| CN113047895A (en) * | 2021-02-01 | 2021-06-29 | 安徽理工大学 | Wind-water linkage spraying dust-settling device and dust-settling method thereof |
| CN113446044A (en) * | 2021-07-06 | 2021-09-28 | 西南交通大学 | Ventilation self-adsorption oxygen generation automatic inflation air bag supercharging cabin full-tunnel oxygen supply device |
| CN113446044B (en) * | 2021-07-06 | 2022-05-10 | 西南交通大学 | Ventilation self-adsorption oxygen generation automatic-inflation air bag supercharging bin full-tunnel oxygen supply device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206256923U (en) | Suitable for the Tunnel Construction Ventilation System of various environment | |
| CN106546090B (en) | Hot and cold stream hybrid vortex pipe drying system | |
| CN206583036U (en) | Civil air defense constructions and installations supply air system | |
| CN107983059A (en) | Press mist theisen disintegrator | |
| CN206240285U (en) | One kind compression waste heat zero regeneration gas loss absorption drier | |
| CN205730788U (en) | A kind of cement kiln tail smoke carbon dioxide upgrading system | |
| CN203845820U (en) | Pressure swing adsorption nitrogen-making device with absorption tower non-compression structure | |
| CN207576094U (en) | A kind of micro- gas consumption blast heating absorption drier of recovery type heat | |
| CN109331601A (en) | Hot wet flue gas takes off white dust-extraction unit and takes off white dust removal method using it | |
| CN206958902U (en) | A kind of CFBB low NOx exhaust emissions equipment | |
| CN107617314A (en) | A kind of zero gas consumption compression heat regenerative drying machine | |
| CN104515302B (en) | Composite system formed by gas water heater and air source heat pump | |
| CN206935063U (en) | Low-grade fever absorption drier | |
| CN209348355U (en) | Hot wet flue gas takes off white dust-extraction unit | |
| CN209214384U (en) | A kind of sintering flue gas external circulating system | |
| CN208511904U (en) | A kind of fume-dehydrating device | |
| CN207913437U (en) | The cooling down of a kind of dust-removing waste gas cools down and utilizes device | |
| CN207562641U (en) | A kind of zero gas consumption compression heat regenerative drying machine | |
| CN207881028U (en) | A kind of workshop dust-removing waste gas of constant temperature and humidity utilizes device | |
| CN207221539U (en) | A kind of equipment using dedusting fan dedusting | |
| CN208109180U (en) | Dried medium thermal process experimental apparatus for testing | |
| CN220370747U (en) | VOC treatment runner system | |
| CN207941804U (en) | Novel ion mineralization treater exhaust system | |
| CN106288846B (en) | A kind of chemical plant waste gas condensation device | |
| CN207209957U (en) | A kind of sugar industry sulphur device of air |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20191117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |