CN209242822U - A kind of quotient's concrete mixing station resource recovering system - Google Patents

A kind of quotient's concrete mixing station resource recovering system Download PDF

Info

Publication number
CN209242822U
CN209242822U CN201821897258.6U CN201821897258U CN209242822U CN 209242822 U CN209242822 U CN 209242822U CN 201821897258 U CN201821897258 U CN 201821897258U CN 209242822 U CN209242822 U CN 209242822U
Authority
CN
China
Prior art keywords
clear water
collecting pit
quotient
water
recycle
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
Application number
CN201821897258.6U
Other languages
Chinese (zh)
Inventor
姜素华
范军
林安辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou You Yuan Environmental Protection Technology Co Ltd
Original Assignee
Hangzhou You Yuan Environmental Protection Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou You Yuan Environmental Protection Technology Co Ltd filed Critical Hangzhou You Yuan Environmental Protection Technology Co Ltd
Priority to CN201821897258.6U priority Critical patent/CN209242822U/en
Application granted granted Critical
Publication of CN209242822U publication Critical patent/CN209242822U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Filtration Of Liquid (AREA)

Abstract

The utility model discloses a kind of quotient's concrete mixing station resource recovering systems, including sand-stone separator, slurry collecting pond, clear water collecting pit and filter press, the first agitating device is provided on slurry collecting pond, clear water collecting pit side is provided with mechanical filter and recycle-water collecting pit, clear water inlet tube and clear water outlet tube are installed on mechanical filter, clear water is installed on clear water inlet tube and pumps pump, it is provided with PH meter on clear water collecting pit and the regulating device that detection data realizes PH adjusting is counted according to PH, it is provided on recycle-water collecting pit for extracting the clear water circulator recycled on clear water to quotient's concrete transport vehicle and sand-stone separator, its key points of the technical solution are that, stratification separating treatment is carried out by the waste water to Concrete Mixing Station to meet recycling standard, wave for giving to reduce water resource is carried out to quotient's relevant device Take, while solving existing water supply exception and influencing the drawbacks of equipment such as quotient's concrete transport vehicle and sand-stone separator operate normally.

Description

A kind of quotient's concrete mixing station resource recovering system
Technical field
The utility model relates to technical field of wastewater recovery, in particular to a kind of quotient's concrete mixing station resource recovering system.
Background technique
Concrete Mixing Station unavoidably generates a large amount of waste water, this waste water during quotient's concrete transport vehicle cleans Not only containing conventional building materials such as sandstone, cement, while also containing various types of concrete additives.If directly arranged It puts, not only causes the wasting of resources of construction material, while serious pollution can be caused to natural environment.Current most of coagulation Soil mixing station cleaning waste water all uses multistage every slag, and the method for natural sedimentation is separated by solid-liquid separation, and not only treatment effeciency is low, and And precipitate after waste water due to suspension content it is higher, can not be recycled.
In recent years, quotient's concrete mixing station introduced the combination of sand-stone separator, filter press and clear water collecting pit, when quotient's concrete is transported When defeated vehicle reaches sand-stone separator position, supply water automatically to quotient's concrete transport vehicle, quotient's concrete transport vehicle can be rotated forward first so that clear water To being cleared up inside quotient's concrete transport vehicle, is inverted again after rotation certain time, draws off the sandstone slime water in quotient's concrete transport vehicle, Sandstone slime water can enter in the deflector chute of sand-stone separator at this time, enter back into the separating mechanism of sand-stone separator and carry out Separation, stone and gravel can be respectively from the different outlet discharges of sand-stone separator, and slime water is transported in filter press further It is separated by solid-liquid separation, the clear water isolated can be transported in clear water collecting pit.
Compared to the mode of natural sedimentation, the treatment effeciency of concrete mixing plant cleaning waste water can be greatly improved, Er Qiefen The suspended matter in clear water separated out can be fewer than the mode of natural sedimentation very much, but the clear water isolated by filter press still contains The clear water for having certain suspended matter, and isolating may still not meet emission request;Important is the clear water separated It is not reused, the equipment such as quotient's concrete transport vehicle and sand-stone separator water or water for cleaning require to be additionally carried out and add Add, great waste water resource, exists simultaneously equipment normal operation and rely on the normal drawback that supplies water.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of quotient's concrete mixing station resource reclaims System carries out stratification separating treatment by waste water to Concrete Mixing Station to meet recycling standard, then point It separates out the clear water come the equipment such as quotient's concrete transport vehicle and sand-stone separator solve simultaneously for the waste for giving to reduce water resource Existing water supply is abnormal and influences the drawbacks of equipment such as quotient's concrete transport vehicle and sand-stone separator operate normally.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of quotient's concrete mixing station resource recovering system, including sand-stone separator, slurry collecting pond, clear water collecting pit and The filter press that mud is separated by solid-liquid separation in slurry collecting pond is pumped, is provided on the slurry collecting pond for preventing mud heavy The first agitating device to form sediment, clear water collecting pit side are provided with mechanical filter and recycle-water collecting pit, the machinery mistake Clear water inlet tube and clear water outlet tube are installed on filter and are connected respectively with clear water collecting pit and recycle-water collecting pit, it is described Clear water is installed on clear water inlet tube and pumps pump, be provided on the clear water collecting pit by detecting in it based on PH of clear water PH, And the regulating device that detection data realizes PH adjusting is counted according to PH, it is provided on the recycle-water collecting pit for extracting clear water The clear water circulator recycled on to quotient's concrete transport vehicle and sand-stone separator.
So set, filter press starting, which can carry out the mud in slurry collecting pond to extract, to divide in existing setting From, but when whole system is in halted state or filter press is temporary stops working, the mud in slurry collecting pond can be again Sediment can additionally increase the case where often clearing up, otherwise influence whether while reducing the storage capacity in slurry collecting pond The normal work of filter press, by the way that the first agitating device, the first agitating device and filters pressing are arranged in existing slurry collecting pond In the case that machine starts, the stirring action of the first agitating device can be being deposited in the sediment of slurry collecting bottom of pond portion again It is blended in mud liquid, so that can reduce the sediment in slurry collecting pond, in the course of work of filter press every time with this Guarantee the storage capacity in slurry collecting pond and the lasting normal work of filter press;
It is main, PH meter and the regulating device for adjusting PH are set within existing clear water collecting pit, clear water is received Collect the clear water in pond and carry out PH adjusting, the standard that adjusting to neutrality etc. can discharge, then supernatant water is cooperated to pump pump and mechanical mistake Filter further filters the clear water separated from mud, reduces the particulate matters such as suspended matter, so that entering recycle-water receipts Clear water in collection pond is able to carry out use, while under the conveying of clear water circulator, realizing the clear water energy isolated from mortar It is enough to be fed back in the equipment such as quotient's concrete transport vehicle and sand-stone separator again, it is therefore prevented that be reintroduced back to clear water and these equipment are supplied Water realizes self circulation with water, while reducing the waste of water resource, is able to solve existing water supply exception and influences quotient's concrete fortune The drawbacks of equipment such as defeated vehicle and sand-stone separator operate normally.
Further preferably are as follows: the regulating device includes counting controller, medicament storage tank and and the medicament being electrically connected with PH Storage tank is connected the compound pump for pumping medicament to clear water collecting pit, the sand-stone separator, filter press, the first agitating device, Mechanical filter, clear water pump pump and clear water circulator is uniformly controlled by controller.
So set, being taken out by controller to sand-stone separator, filter press, the first agitating device, mechanical filter, clear water It send the equipment unified allocation of resources such as pump and clear water circulator to control, the either synchronously or asynchronously control of equipment is realized by automation control, When quotient's concrete transport vehicle reach sand-stone separator near, i.e., regulation park ground, controller be uniformly controlled these equipment successively start or Time interval starting, stops after completing a processing cycle time, realizes Automatic Control.
Further preferably are as follows: the clear water circulator includes being connected by recycle-water inlet tube with recycle-water collecting pit Reuse water pump pumps the circulating water pipe of liquid outlet with recycle-water is mounted on, and is communicated on the circulating water pipe for transporting respectively to quotient's concrete The first separating tube and the second separating tube that defeated vehicle and sand-stone separator supply water, and on the first separating tube and the second separating tube respectively The first solenoid valve and second solenoid valve for being controlled by controller are installed.
Further preferably are as follows: be provided with the second agitating device for being controlled by controller on the clear water collecting pit, guarantee to add The medicament added is evenly mixed in clear water collecting pit, by improving the accuracy of measurement based on PH.
Further preferably are as follows: be equipped on the clear water collecting pit and be mutually common to conveying clear water with slurry collecting pond to mud The return pipe of collecting pit is provided with the reflux water pump for being controlled by controller on the return pipe.
So set, that is, filter press handles the mud under such muddy degree when finding more muddy in slurry collecting pond Slurry to filter press loss it is larger when, by flow back water pump starting supply water to slurry collecting pond, realize slurry collecting pond and The liquid circulation of clear water collecting pit while capable of guaranteeing that filter press persistently works normally, improves the mud in slurry collecting pond Treatment effeciency, while the clear water in clear water collecting pit is further processed, it can reduce the magazine in clear water collecting pit;And work as When needing to handle the sediment in slurry collecting pond, there is no need in addition add water source, and by the place of filter press Reason, treatment effeciency are also high.
Further preferably are as follows: be provided with overflow port and clear water supply port on the recycle-water collecting pit.
So set, the water quantity holding in guarantee recycle-water collecting pit is in a safety level, together by setting overflow port When by clear water supply port, prevent water in recycle-water collecting pit to be not enough unable to complete the job task of cleaning and water supply.
In conclusion the utility model having the beneficial effect that in contrast to the prior art
1, the biggish stone of particle and gravel are isolated using sand-stone separator, and exports and is discharged from sand-stone separator difference And collect it is in heaps, be convenient for mechanization reclaimer operation;
2, slurry transportation is separated by solid-liquid separation to filter press, and the clear water after filters pressing can adjust PH and adjust neutrality or meet discharge Standard, while being separated by filtration again using mechanical filter, effectively separate the lighter mud of specific gravity, convenient for dividing The clear water separated out recycles;
3, by setting the first agitating device, it is mating be provided with connection slurry collecting pond and clear water collecting pit return pipe and Flow back water pump in starting source, can reduce the sediment quantity in slurry collecting pond, while needing to carry out clearly slurry collecting pond When reason, it is only necessary to start reflux pump, the first agitating device and filter press three parts, can not need additional water source, while can be with In slurry collecting pond clear water and slurry mixture be transported in filter press and be filtered separation, it is simple and convenient;
4, it is mating be provided with clear water circulator and can be supplied to quotient's concrete transport vehicle clean and sand-stone separator on use and Cleaning, while clear water can be drawn recycle-water collecting pit to other places and used, realization recycles, it is therefore prevented that the waste of water resource;
5, integrated artistic realizes each equipment synchronous averaging control or the control of steps asynchronous starting using controller, realizes complete Automatic running.
Detailed description of the invention
Fig. 1 is the whole frame schematic diagram of sand-stone separator part in embodiment;
Fig. 2 is the whole frame schematic diagram of subsequent processing in embodiment.
Appended drawing reference: 1, sand-stone separator;2, slurry collecting pond;21, the first agitating device;3, clear water collecting pit;4, it presses Filter;5, mechanical filter;6, recycle-water collecting pit;7, PH is counted;8, regulating device;81, medicament storage tank;82, compound pump;83, Third agitating device;9, clear water circulator;91, reuse water pump;92, circulating water pipe;93, the first separating tube;94, the second liquid separation Pipe;95, the first solenoid valve;96, second solenoid valve;97, third separating tube;98, third solenoid valve;10, the second agitating device; 11, return pipe;12, flow back water pump;13, deflector chute;14, sensing apparatus;15, mud pumps pump;16, clear water pumps pump.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of quotient's concrete mixing station resource recovering system, it is shown referring to Figures 1 and 2, it successively include deflector chute 13, sandstone separation Machine 1, slurry collecting pond 2, clear water collecting pit 3 and the controller for realizing equipment total tune control in whole system, deflector chute 13 It is connected with sand-stone separator 1, the mud liquid outlet of sand-stone separator 1 is equipped with the mud extended in slurry collecting pond 2 and goes out liquid It manages, setting has sensing equipment 14 on deflector chute 13, and sensing apparatus 14 is electrically connected with the controller, when quotient's concrete transport vehicle reaches specific bit It sets, sensing apparatus 14 can sense, controller can carry out the control of a circulation according to this inductive signal of sensing apparatus 14 System, i.e., the first step is pumped in recycle-water collecting pit 6 in clear water to quotient's concrete transport vehicle, is poured out mortar mixed liquor when quotient's concrete transport vehicle and is arrived Deflector chute 13 starts, and subsequent equipment can successively be spaced the synchronous opening of opening or part.
2 side of slurry collecting pond, which is provided with, pumps the filter press 4 that mud in slurry collecting pond 2 is separated by solid-liquid separation, filters pressing Machine 4 includes filters pressing ontology and is separately mounted to the filters pressing inlet tube and filters pressing outlet tube of filters pressing ontology inlet and liquid outlet, Mud is installed on filters pressing inlet tube and pumps pump 15, while filters pressing inlet tube is located at slurry collecting pond far from the end of filters pressing ontology 2 lower positions, and filters pressing outlet tube is located at 3 top of clear water collecting pit far from the end of filters pressing ontology;And on slurry collecting pond 2 It is provided with the first agitating device 21 for preventing mud sediment.
3 side of clear water collecting pit is provided with mechanical filter 5 and recycle-water collecting pit 6, is equipped on mechanical filter 5 clear Water inlet tube and clear water outlet tube are equipped with clear water on clear water inlet tube and pump pump 16, and clear water inlet tube is far from mechanical mistake The end of filter 5 extends in clear water collecting pit 3 and is located at 3 lower position of clear water collecting pit, and clear water outlet tube is far from mechanical mistake The end of filter 5 extends to the upper position in recycle-water collecting pit 6 and being located at recycle-water collecting pit 6.
Meanwhile in order to enable the water quality of clear water collecting pit 3 meets the standard discharged or recycled, in clear water collecting pit 3 On be provided with by detecting in it 7 based on PH of clear water PH, while it is mating be provided with according to PH count 7 detection datas realize PH adjust Regulating device 8 and the second agitating device 10 in clear water is evenly mixed in for medicament, i.e. PH meter 7 is connected with controller, adjusts Device 8 is controlled by controller, and regulating device 8 includes medicament storage tank 81 and is connected with medicament storage tank 81 for pumping medicament extremely The compound pump 82 of clear water collecting pit 3, the top of pharmacy jar are provided with the third agitating device 83 extended in pharmacy jar.
Since the first agitating device 21 and the second agitating device 10 and third agitating device 83 are structurally similar, only deposit It is of different sizes in component, thus decomposition explanation is carried out by taking the second agitating device 10 as an example.Second agitating device 10 includes driving Source motor is connected on motor and extends to down the agitating shaft in clear water collecting pit 3, and several paddles are equipped on agitating shaft Piece.
And it is provided in recycle-water collecting pit 6 and is transported for extracting clear water to deflector chute 13, quotient's concrete in recycle-water collecting pit 6 The clear water circulator 9 recycled on defeated vehicle and sand-stone separator 1, clear water circulator 9 include passing through recycle-water inlet tube The reuse water pump 91 being connected with recycle-water collecting pit 6, the inlet of reuse water pump 91 are equipped with end and extend to recycle-water collection The recycle-water inlet tube of 6 lower part of pond, the liquid outlet of reuse water pump 91 are equipped with circulating water pipe 92, are connected on circulating water pipe 92 useful In the first separating tube 93, the second separating tube 94 and the third that supply water respectively to quotient's concrete transport vehicle, sand-stone separator 1 and deflector chute 13 Separating tube 97, and be separately installed on the first separating tube 93, the second separating tube 94 and third separating tube 97 and be controlled by controller The first solenoid valve 95, second solenoid valve 96 and third solenoid valve 98.
It is worth supplement, is provided with overflow port and clear water supply port, while clear water collecting pit 3 on recycle-water collecting pit 6 On the return pipe 11 that conveying clear water to slurry collecting pond 2 is common to 2 phase of slurry collecting pond is installed, be provided on return pipe 11 It is controlled by the reflux water pump 12 of controller.
Working principle:
After the transport of quotient's concrete pulls in, reuse water pump 91 and the first solenoid valve 95 are started by sensing apparatus 14, quotient's concrete is transported Defeated vehicle carries out water supply cleaning, and quotient's concrete transport vehicle is by rotating forward cleaning and reversion batch turning.Sand-mix can be poured into deflector chute 13 It enters back into sand-stone separator 1.
Sand-mix filters out stone and sand grains in sand-stone separator 1 and exports respectively, and remaining slime water flows into certainly Enter slurry collecting pond 2.Mud mixed liquor pumps pump 15 through mud and squeezes into filter press 4 and be separated by solid-liquid separation, and clear water is from flowing into clear water Collecting pit 3 adjusts clear water pH value to neutrality according to the signal feedback Automatic Dosing of PH meter 7 in pond;The clear water adjusted is through clear Water pumps pump 16 and squeezes into mechanical filter 5, after further filtering out the small suspended matter in water, collects standby to recycle-water collecting pit 6 With.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention It encloses, the protection scope of the utility model is determined by the attached claims.

Claims (6)

1. a kind of quotient's concrete mixing station resource recovering system, including sand-stone separator (1), slurry collecting pond (2), clear water collecting pit (3) and the filter press (4) that slurry collecting pond (2) interior mud is separated by solid-liquid separation is pumped, it is characterized in that: the slurry collecting The first agitating device (21) for preventing mud sediment is provided on pond (2), clear water collecting pit (3) the side setting is organic Tool filter (5) and recycle-water collecting pit (6), be equipped on the mechanical filter (5) clear water inlet tube and clear water outlet tube, And be connected respectively with clear water collecting pit (3) and recycle-water collecting pit (6), clear water is installed on the clear water inlet tube and pumps pump (16), it is provided on the clear water collecting pit (3) and is detected by detecting in it based on PH of clear water PH (7) and counting (7) according to PH Data realize the regulating device (8) that PH is adjusted, and are provided on the recycle-water collecting pit (6) and transport for extracting clear water to quotient's concrete The clear water circulator (9) recycled on vehicle and sand-stone separator (1).
2. a kind of quotient's concrete mixing station resource recovering system according to claim 1, it is characterized in that: the regulating device (8) Including counting the controller that (7) be electrically connected, medicament storage tank (81) with PH and being connected with medicament storage tank (81) for pumping medicament extremely The compound pump (82) of clear water collecting pit (3), the sand-stone separator (1), filter press (4), the first agitating device (21), mechanical mistake Filter (5), clear water pump pump (16) and clear water circulator (9) is uniformly controlled by controller.
3. a kind of quotient's concrete mixing station resource recovering system according to claim 2, it is characterized in that: the clear water circulator It (9) include passing through the reuse water pump (91) and be mounted on reuse water pump that recycle-water inlet tube is connected with recycle-water collecting pit (6) (91) circulating water pipe (92) of liquid outlet is communicated on the circulating water pipe (92) for respectively to quotient's concrete transport vehicle and sandstone point It disembarks the first separating tube (93) and the second separating tube (94) of (1) water supply, and the first separating tube (93) and the second separating tube (94) the first solenoid valve (95) and second solenoid valve (96) for being controlled by controller are separately installed on.
4. a kind of quotient's concrete mixing station resource recovering system according to claim 2, it is characterized in that: the clear water collecting pit (3) the second agitating device (10) for being controlled by controller is provided on.
5. a kind of quotient's concrete mixing station resource recovering system according to claim 2, it is characterized in that: the clear water collecting pit (3) it is equipped on slurry collecting pond (2) and to be mutually common to the return pipe (11) of conveying clear water to slurry collecting pond (2), described time The reflux water pump (12) for being controlled by controller is provided in flow tube (11).
6. a kind of quotient's concrete mixing station resource recovering system according to claim 1, it is characterized in that: the recycle-water collecting pit (6) overflow port and clear water supply port are provided on.
CN201821897258.6U 2018-11-16 2018-11-16 A kind of quotient's concrete mixing station resource recovering system Expired - Fee Related CN209242822U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821897258.6U CN209242822U (en) 2018-11-16 2018-11-16 A kind of quotient's concrete mixing station resource recovering system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821897258.6U CN209242822U (en) 2018-11-16 2018-11-16 A kind of quotient's concrete mixing station resource recovering system

Publications (1)

Publication Number Publication Date
CN209242822U true CN209242822U (en) 2019-08-13

Family

ID=67528584

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821897258.6U Expired - Fee Related CN209242822U (en) 2018-11-16 2018-11-16 A kind of quotient's concrete mixing station resource recovering system

Country Status (1)

Country Link
CN (1) CN209242822U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111659518A (en) * 2020-06-15 2020-09-15 朱明杰 Hawthorn processing equipment
CN112408640A (en) * 2020-11-18 2021-02-26 建国混凝土集团有限公司 Concrete waste water grout recovery system
CN114573143A (en) * 2022-03-14 2022-06-03 四川贝特格林环保科技有限公司 Mixing station wastewater purification treatment method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111659518A (en) * 2020-06-15 2020-09-15 朱明杰 Hawthorn processing equipment
CN112408640A (en) * 2020-11-18 2021-02-26 建国混凝土集团有限公司 Concrete waste water grout recovery system
CN114573143A (en) * 2022-03-14 2022-06-03 四川贝特格林环保科技有限公司 Mixing station wastewater purification treatment method

Similar Documents

Publication Publication Date Title
CN209242822U (en) A kind of quotient's concrete mixing station resource recovering system
CN110695064A (en) Shield muck zero-discharge treatment system and method
CN102225834B (en) Sludge treatment method and device for urban drainage pipe network
CN204276466U (en) Residual concrete sand and stone separation and recovery system
CN104874599A (en) Soil ex-situ leaching system and method thereof
CN201596662U (en) System for decomposing, recovering and treating waste concrete
CN111072186A (en) System and method for cleaning commercial concrete mixing plant transportation tank car and purifying station sewage
CN109160626A (en) Sewage treatment system with zero discharge
CN102555066A (en) Residual wet concrete recovering system
CN211688622U (en) Commercial concrete mixing plant transportation tank car washs and station sewage purification system
CN103909009B (en) papermaking waste recovery system
CN203185500U (en) Mobile wet concrete recycling device
CN208898615U (en) A kind of concrete mixing plant waste water waste pulp processing system
CN215614040U (en) Shield muck lightweight treatment system
CN217369159U (en) Novel sand and stone separator
CN207615288U (en) A kind of quotient's concrete mixing station Sewage treatment utilizes device
CN208302268U (en) A kind of marble manufacturing enterprise device for separating mud and water
CN205840846U (en) Drilling mud does not land processing means
CN211885784U (en) Mortar pump type fine sand recovery equipment
CN2589466Y (en) Coal water purification and coal mud reclaiming machine
CN210885628U (en) Purification device for cleaning sewage of concrete mixing transport vehicle
CN210711079U (en) Pipeline cleaning sewage treatment device
CN111470650A (en) Multi-edging polishing line sewage shared treatment reclaimed water recycling system
CN209081539U (en) A kind of water process circulatory system of novel glass deep processing grinding machine
CN109623058B (en) Linear cutting centralized processing standardized environment-friendly system and automatic working solution treatment method

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190813

Termination date: 20191116

CF01 Termination of patent right due to non-payment of annual fee