CN102320080A - Deep dewatering, solidifying and brick making device for municipal domestic sludge and building pile sludge and processing method thereof - Google Patents

Deep dewatering, solidifying and brick making device for municipal domestic sludge and building pile sludge and processing method thereof Download PDF

Info

Publication number
CN102320080A
CN102320080A CN201110164777A CN201110164777A CN102320080A CN 102320080 A CN102320080 A CN 102320080A CN 201110164777 A CN201110164777 A CN 201110164777A CN 201110164777 A CN201110164777 A CN 201110164777A CN 102320080 A CN102320080 A CN 102320080A
Authority
CN
China
Prior art keywords
mud
mud cake
filter press
brickmaking
cake
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.)
Granted
Application number
CN201110164777A
Other languages
Chinese (zh)
Other versions
CN102320080B (en
Inventor
钱圣德
叶凡
邹宗煊
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.)
WENZHOU SHENGPING MUD CURING CO Ltd
Original Assignee
WENZHOU SHENGPING MUD CURING 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 WENZHOU SHENGPING MUD CURING CO Ltd filed Critical WENZHOU SHENGPING MUD CURING CO Ltd
Priority to CN201110164777.8A priority Critical patent/CN102320080B/en
Publication of CN102320080A publication Critical patent/CN102320080A/en
Application granted granted Critical
Publication of CN102320080B publication Critical patent/CN102320080B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Treatment Of Sludge (AREA)

Abstract

The invention relates to a deep dewatering, solidifying and brick making device for municipal domestic sludge and building pile sludge and a processing method thereof. The device successively comprises a quick lime conveyor, a stirring tank, a mud delivery pump, a filter press, a mud cake conveyer device, a mud cake stirrer, a mud cake stirring material conveyor, a brick press and a green brick conveyer device, wherein the discharge hole of the quick lime conveyor is connected with the feeding hole of the stirring tank; the input hole of the mud delivery pump is connected with the discharging hole of the stirring tank; the output hole of the mud delivery pump is connected with the feeding hole of the filter press; the feeding end of the mud cake conveyer device is arranged below the discharging hole of the filter press; the discharging end of the mud cake conveyer device is arranged above the feeding hole of the mud cake stirrer; the feeding end of the mud cake stirring material conveyor is arranged below the discharging hole of the mud cake stirrer; the discharging end of the mud cake stirring material conveyor is arranged above the feeding hole of the brick press; the green brick conveyer device is connected with the discharging hole of the brick press; and the filter press is provided with a joint for connecting with an air compressor or a high-pressure water pump. The device has the beneficial effects of low equipment investment and the like, causes sludge to be effectively utilized, and is suitable for processing urban, village, town sewage sludge in China and building mud.

Description

Municipal sludge solidifies brickmaking device and processing method thereof with building stake mud deep dehydration
Technical field
The present invention relates to a kind of municipal sewage treatment field, relate in particular to a kind of municipal sludge and the device and the processing method thereof of building stake mud deep dehydration curing brickmaking.
Background technology
Present domestic cast-in-situ bored pile, concrete pouring of punched hole piles all adopt steel drill bit fast rotational or jump bit frequent impact that mud, clay in the stake hole are stirred into mud.One cubic natural earth forms 3.5-4 cube of mud usually, and every pile is along with the increase of construction depth, and a large amount of earth become in the mud pit that is discharged to the building site on the mud, wait for outward transport.Behind the pore-forming, all discharge a hole with several in the hole to tens cubes of mud again during cast concrete.Therefore; Every foundation engineering often has several thousand to need outward transport to hundreds of thousands cube mud; Both increased the urban transportation burden, also often because construction or mud transport, enterprise is for reducing cost; Part mud is entered municipal sewage system or city river network steathily, cause the alluvial of municipal sewage system and city river network, stop up.Someone adopts centrifugal principle to build slurry curing, but because muddy water stirs in construction repeatedly, and muddy water knot and power strengthen, especially mud and muck soil are difficult to fast with mud-water separation by centrifugal force.
On April 7th, 2010 proposed in national waste water control working conference, during 12, focused on the sludge treatment, sludge treatment is worked together for still greater successes in by every possible means, realize mud must minimizing, innoxious, resource.
Summary of the invention
Technical problem to be solved by this invention is: a kind of municipal sludge is provided and builds stake mud deep dehydration curing brickmaking device and processing method thereof, this device can carry out system to municipal sewage mud and building cast-in-situ bored pile, punching bored concrete pile mud and effectively handle and obtain utilization.
The technical scheme that the present invention adopted is: a kind of municipal sludge solidifies the brickmaking device with building stake mud deep dehydration, and this device is provided with quick lime conveyer, agitator tank, slurry transportation pump, filter press, mud cake transport, mud cake mixer, mud cake stirring material conveyor, brickmaking machine and adobe transport successively; The discharging opening of said quick lime conveyer is connected with the charging aperture of agitator tank; The input port of said slurry transportation pump is connected with the discharging opening of agitator tank, and its delivery outlet is connected with the charging aperture of filter press; The feed end of said mud cake transport places filter press discharging opening below, and its discharge end places mud cake mixer charging aperture top; Said mud cake stirs the material conveyer feed end and places mud cake mixer discharging opening below, and its discharge end places brickmaking machine charging aperture top; Said adobe transport is connected with the brickmaking machine discharging opening; Said filter press is provided with the interface that connects air compressor machine or high-pressure hydraulic pump.
The further technical scheme of the present invention is: said filter press is the diaphragm type plate and frame filter press, comprises filter press girder, filter plate, high-pressure oil pipe, oil cylinder and oil pressure assembly, and said filter plate combines by diaphragm plate is alternate with common plate.
Above-mentioned municipal sludge and the processing method of building stake mud deep dehydration curing brickmaking may further comprise the steps successively:
(A), sewage mud or building mud are pumped into agitator tank, and the ratio of quick lime in the 0.3-1 of mud unit weight inserted in the agitator tank;
(B), stirred materials is pumped into the diaphragm type plate and frame filter press by the slurry transportation pump, at the 3-8KG/CM of slurry transportation pump 2Under the pressure, mud-water separation in the filter plate, mud is stayed in the filter plate frame, divides dried uply in the filter plate frame, to discharge, and returns sedimentation basin;
(C), in filter plate, be full of mud cake, stop to pump into mud, and start the oil pressure assembly of diaphragm type plate and frame filter press, air compressor machine is pressed into 6-15KG/CM 2Pressure-air compresses filter plate, and mud cake is squeezed, and makes moisture content of the cake below 60%;
(D), unclamp the filter plate of diaphragm type plate and frame filter press, the mud cake after the squeezing falls on the mud cake transport that places diaphragm type plate and frame filter press below, and has the mud cake transport to send into the mud cake mixer to stir;
(E), mud cake mixer stirred materials is sent into brickmaking machine by mud cake stirring material conveyor and process adobe.
For the rarer material of domestic sludge and so on, for improving its degree of flocculation, also comprise the interpolation inorganic additive in the said step (A), said inorganic additive is a molysite.
After this device can make and insert inorganic additive and quick lime in municipal sewage mud and building cast-in-situ bored pile, the punching bored concrete pile mud; Mud-water separation in the diaphragm type plate and frame filter press; And being solidified into the mud cake of moisture content 60% below through the squeezing of pressure-air or water under high pressure, municipal sludge and a building mud mud cake are delivered to brickmaking machine by conveyer and are processed adobe through stirring and evenly mixing; At last, be fired into brick by brickkiln.Have equipment investment low (reducing to the diaphragm type plate and frame filter press about 1,000,000 yuan) by the belt filter press complete set of equipments of original up to ten million first imports, mud moisture low (less than 60%, more moisture 80% than former, mud decrement 50%.), beneficial effects such as recycling sludge utilization are applicable to China city, small towns sewage mud and building mud conditioning.
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described further.
Description of drawings
Fig. 1 is an embodiment of the invention system schematic.
Drawing explanation: 1. quick lime charging aperture, 2. quick lime conveyer, 3. conveyer motor, 4. stirring motor, 5. agitator tank, 6. agitator; 7. pulp-inlet pipe, 8. slurry transportation pump, 9. plasma discharge valve, 10. slurry-inlet valve door, 11. motors, 12. Pressure gauges; 13. the transport roller, 14. air compressor machine pressure-air interfaces, 15. diaphragm type plate and frame filter press, 16. filter press master fine strains of millet, 17. filter plates (hold concurrently and be sheet frame), 18. high-pressure oil pipes; 19. oil cylinder, 21. oil pressure assemblies, 22. grounds, 23. transport driving wheels, 24. mud cakes, 25. mixers; 26. mud cake stirs material conveyor, 27. brickmaking machines, 28. adobes, 29. Unfired brick conveyers, 30. quick lime discharging openings 30.
The specific embodiment
Embodiment as shown in Figure 1; A kind of municipal sludge solidifies the brickmaking device with building stake mud deep dehydration, and this device is provided with quick lime conveyer 2, agitator tank 5, slurry transportation pump 8, filter press 15, mud cake transport 20, mud cake mixer 25, mud cake stirring material conveyor 26, brickmaking machine 27 and adobe transport 29 successively; Said quick lime conveyer 2 comprises quick lime charging aperture 1, quick lime discharging opening 30 and motor 3; Said agitator tank 5 comprises charging aperture, stirring motor 4 and agitator 6; The discharging opening of quick lime conveyer 2 is connected with the charging aperture of agitator tank 5, quick lime is inserted in the agitator tank 5 by the 0.3-1% of mud unit weight stir; The input port of said slurry transportation pump 8 is connected with the discharging opening of agitator tank 5, and its delivery outlet is connected with the charging aperture of filter press 15, and the mud after the stirring pumps into filter press 15 through pulp-inlet pipe 7, slurry transportation pump 8 and slurry-inlet valve door 10; The feed end of said mud cake transport 20 places filter press 15 discharging openings below, and its discharge end places the charging aperture top of mud cake mixer 25, passes through to stir in the mud cake transport 20 input mud cake mixers 25 through the mud cake 24 that filter press 15 squeezings are solidified; The feed end that said mud cake stirs material conveyor 26 places mud cake mixer 25 discharging openings below; Its discharge end places brickmaking machine 27 charging apertures top; Said adobe transport 29 is connected with brickmaking machine 27 discharging openings; Send into brickmaking machine 27 through mud cake mixer 25 stirred materials through mud cake stirring material conveyor 26 and make adobe, send brickkiln to be fired into brick through adobe transport 29 at last; Said filter press 15 is provided with the interface 14 that connects air compressor machine or high-pressure hydraulic pump, and pressure-air or water under high pressure squeeze mud cake, and the water content that makes mud cake is below 60%, and the high-pressure air pressure of air compressor machine is the 6-15 kilogram.
Present embodiment, said filter press 15 adopts the diaphragm type plate and frame filter press, and this filter press comprises filter press girder 16, filter plate 17, high-pressure oil pipe 18, oil cylinder 19 and oil pressure assembly 21, and said filter plate 17 combines by diaphragm plate is alternate with common plate.Said slurry transportation pump 8 is screw pump or slag stock pump, and it is screw rod conveyor that said mud cake stirs material conveyor 26, and said mud cake transport 20 is a conveyer belt apparatus.
Below briefly explain its processing method:
(A), sewage mud or building mud are pumped into agitator tank 5, and the ratio of quick lime in the 0.3-1 of mud unit weight inserted in the agitator tank 5;
(B), stirred materials is pumped into diaphragm type plate and frame filter press 15 by slurry transportation pump 8, at the 3-8KG/CM of slurry transportation pump 8 2Under the pressure, mud-water separation in the filter plate 17, mud is stayed in the filter plate frame, divides dried uply in the filter plate frame, to discharge, and returns sedimentation basin;
(C), in filter plate 17, be full of mud cake, stop to pump into mud, and start the oil pressure assembly 21 of diaphragm type plate and frame filter press 15, air compressor machine is pressed into 6-15KG/CM 2Pressure-air compresses filter plate 17, and mud cake is squeezed, and makes moisture content of the cake below 60%;
(D), unclamp the filter plate 17 of diaphragm type plate and frame filter press, the mud cake after the squeezing falls on the mud cake transport 20 that places diaphragm type plate and frame filter press below, and has mud cake transport 20 to send into mud cake mixer 25 to stir;
(E), mud cake mixer 25 stirred materials are sent into brickmaking machine 27 by mud cake stirring material conveyor 26 and process adobe.
For the rarer material of domestic sludge and so on, for improving its degree of flocculation, in said step (A), also add inorganic additive, said inorganic additive is a molysite, like the molysite of ferrous sulfate or ferric trichloride and similar effect.

Claims (6)

1. a municipal sludge solidifies the brickmaking device with building stake mud deep dehydration, and it is characterized in that: this device is provided with quick lime conveyer (2), agitator tank (5), slurry transportation pump (8), filter press (15), mud cake transport (20), mud cake mixer (25), mud cake stirring material conveyor (26), brickmaking machine (27) and adobe transport (29) successively; The discharging opening of said quick lime conveyer (2) is connected with the charging aperture of agitator tank (5); The input port of said slurry transportation pump (8) is connected with the discharging opening of agitator tank (5), and its delivery outlet is connected with the charging aperture of filter press (15); The feed end of said mud cake transport (20) places filter press (15) discharging opening below, and its discharge end places mud cake mixer (25) charging aperture top; Said mud cake stirs material conveyer (26) feed end and places mud cake mixer (25) discharging opening below, and its discharge end places brickmaking machine (27) charging aperture top; Said adobe transport (29) is connected with brickmaking machine (27) discharging opening; Said filter press (15) is provided with the interface (14) that connects air compressor machine or high-pressure hydraulic pump.
2. municipal sludge according to claim 1 solidifies the brickmaking device with building stake mud deep dehydration; It is characterized in that: said filter press (15) is the diaphragm type plate and frame filter press; Comprise filter press girder (16), filter plate (17), high-pressure oil pipe (18), oil cylinder (19) and oil pressure assembly (21), said filter plate (17) combines by diaphragm plate is alternate with common plate.
3. municipal sludge according to claim 1 and 2 solidifies the brickmaking device with building stake mud deep dehydration; It is characterized in that: said slurry transportation pump (8) is screw pump or slag stock pump; It is screw rod conveyor that said mud cake stirs material conveyor (26), and said mud cake transport (20) is a conveyer belt apparatus.
4. a municipal sludge and building stake mud deep dehydration solidify the processing method of brickmaking, it is characterized in that comprising successively step:
(A), sewage mud or building mud are pumped into agitator tank (5), and the ratio of quick lime in the 0.3-1 of mud unit weight inserted in the agitator tank (5);
(B), stirred materials is pumped into diaphragm type plate and frame filter press (15), the 3-8KG/CM in slurry transportation pump (8) by slurry transportation pump (8) 2Under the pressure, the interior mud-water separation of filter plate (17), mud is stayed in the filter plate frame, divides dried uply in the filter plate frame, to discharge, and returns sedimentation basin;
(C), in filter plate (17), be full of mud cake, stop to pump into mud, and start the oil pressure assembly (21) of diaphragm type plate and frame filter press (15), air compressor machine is pressed into 6-15KG/CM 2Pressure-air compresses filter plate (17), and mud cake is squeezed, and makes moisture content of the cake below 60%;
(D), unclamp the filter plate (17) of diaphragm type plate and frame filter press, the mud cake after the squeezing falls on the mud cake transport (20) that places diaphragm type plate and frame filter press below, and has mud cake transport (20) to send into mud cake mixer (25) to stir;
(E), mud cake mixer (25) stirred materials being stirred material conveyor (26) by mud cake sends into brickmaking machine (27) and processes adobe.
5. municipal sludge according to claim 4 and the processing method of building stake mud deep dehydration curing brickmaking, it is characterized in that: also comprise the interpolation inorganic additive in the said step (A), said inorganic additive is a molysite.
6. municipal sludge according to claim 5 and the processing method of building stake mud deep dehydration curing brickmaking, it is characterized in that: said molysite is ferrous sulfate or ferric trichloride.
CN201110164777.8A 2011-06-16 2011-06-16 Deep dewatering, solidifying and brick making device for municipal domestic sludge and building pile sludge and processing method thereof Expired - Fee Related CN102320080B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110164777.8A CN102320080B (en) 2011-06-16 2011-06-16 Deep dewatering, solidifying and brick making device for municipal domestic sludge and building pile sludge and processing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110164777.8A CN102320080B (en) 2011-06-16 2011-06-16 Deep dewatering, solidifying and brick making device for municipal domestic sludge and building pile sludge and processing method thereof

Publications (2)

Publication Number Publication Date
CN102320080A true CN102320080A (en) 2012-01-18
CN102320080B CN102320080B (en) 2014-03-19

Family

ID=45447982

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110164777.8A Expired - Fee Related CN102320080B (en) 2011-06-16 2011-06-16 Deep dewatering, solidifying and brick making device for municipal domestic sludge and building pile sludge and processing method thereof

Country Status (1)

Country Link
CN (1) CN102320080B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104591515A (en) * 2013-10-30 2015-05-06 杭州楚天科技有限公司 Sludge drying treatment method and treatment apparatus thereof
CN104803566A (en) * 2014-01-27 2015-07-29 中国科学院大连化学物理研究所 Method for hydraulic dehydration and anaerobic fermentation treatment of sludge in municipal domestic sewage treatment plant
CN109731378A (en) * 2019-03-11 2019-05-10 苏州艾信工程技术有限公司 A kind of sludge solid-liquid separation integrated device
CN110171060A (en) * 2019-05-23 2019-08-27 欧阳学 A kind of device using construction slurry production building products
CN111571794A (en) * 2020-04-26 2020-08-25 华电水务工程有限公司 Miscellaneous salt curing device and curing method
CN111825299A (en) * 2020-05-26 2020-10-27 温州建设集团有限公司 Van-type filter press slurry curing construction method
CN112792984A (en) * 2021-01-20 2021-05-14 东方盛杰(厦门)机械工程有限公司 Construction process and equipment for curing building slurry
CN114230101A (en) * 2021-12-20 2022-03-25 山东恒鑫生物科技有限公司 Environment-friendly wastewater treatment process for fish skin gelatin
CN115286197A (en) * 2022-07-12 2022-11-04 上海广联环境岩土工程股份有限公司 Automatic engineering slurry treatment process combining air pressurization method and filter pressing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08197095A (en) * 1995-01-24 1996-08-06 Chichibu Onoda Cement Corp Treatment of sewage sludge and treated sewage sludge
CN101318780A (en) * 2007-06-08 2008-12-10 赵中尧 Process for recovering white slime and tunnel type calcining kiln for the method
CN101774746A (en) * 2010-01-29 2010-07-14 濮阳市天地人环保工程技术有限公司 Treatment method of waste slurry generated by gigging well and drilling
CN101786787A (en) * 2010-03-24 2010-07-28 宇星科技发展(深圳)有限公司 Sludge dewatering integrated process
CN101863608A (en) * 2010-06-02 2010-10-20 骆嘉成 Solid-liquid separation process for drilled pile waste mud
CN202089879U (en) * 2011-06-16 2011-12-28 温州圣平泥浆固化有限公司 Deep dewatering and curing brickmaking device adopting city life sludge and building pile sludge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08197095A (en) * 1995-01-24 1996-08-06 Chichibu Onoda Cement Corp Treatment of sewage sludge and treated sewage sludge
CN101318780A (en) * 2007-06-08 2008-12-10 赵中尧 Process for recovering white slime and tunnel type calcining kiln for the method
CN101774746A (en) * 2010-01-29 2010-07-14 濮阳市天地人环保工程技术有限公司 Treatment method of waste slurry generated by gigging well and drilling
CN101786787A (en) * 2010-03-24 2010-07-28 宇星科技发展(深圳)有限公司 Sludge dewatering integrated process
CN101863608A (en) * 2010-06-02 2010-10-20 骆嘉成 Solid-liquid separation process for drilled pile waste mud
CN202089879U (en) * 2011-06-16 2011-12-28 温州圣平泥浆固化有限公司 Deep dewatering and curing brickmaking device adopting city life sludge and building pile sludge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
赵镇魁: "制砖淤泥的采挖、运输及制备", 《砖瓦世界》 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104591515A (en) * 2013-10-30 2015-05-06 杭州楚天科技有限公司 Sludge drying treatment method and treatment apparatus thereof
CN104803566A (en) * 2014-01-27 2015-07-29 中国科学院大连化学物理研究所 Method for hydraulic dehydration and anaerobic fermentation treatment of sludge in municipal domestic sewage treatment plant
CN109731378A (en) * 2019-03-11 2019-05-10 苏州艾信工程技术有限公司 A kind of sludge solid-liquid separation integrated device
CN110171060A (en) * 2019-05-23 2019-08-27 欧阳学 A kind of device using construction slurry production building products
CN111571794A (en) * 2020-04-26 2020-08-25 华电水务工程有限公司 Miscellaneous salt curing device and curing method
CN111825299A (en) * 2020-05-26 2020-10-27 温州建设集团有限公司 Van-type filter press slurry curing construction method
CN112792984A (en) * 2021-01-20 2021-05-14 东方盛杰(厦门)机械工程有限公司 Construction process and equipment for curing building slurry
CN114230101A (en) * 2021-12-20 2022-03-25 山东恒鑫生物科技有限公司 Environment-friendly wastewater treatment process for fish skin gelatin
CN115286197A (en) * 2022-07-12 2022-11-04 上海广联环境岩土工程股份有限公司 Automatic engineering slurry treatment process combining air pressurization method and filter pressing

Also Published As

Publication number Publication date
CN102320080B (en) 2014-03-19

Similar Documents

Publication Publication Date Title
CN102320080B (en) Deep dewatering, solidifying and brick making device for municipal domestic sludge and building pile sludge and processing method thereof
CN103708703B (en) System and process for carrying out deep dehydration rapidly and resource utilization on construction slurry
CN111268875A (en) Silt slurry treatment method and integrated system
CN101935140B (en) Dehydration treatment method for tail water sludge of water-work and special apparatus thereof
CN111203315B (en) Engineering dregs and sand separating system
CN112174491A (en) Waste slurry dewatering equipment and process
CN105155511A (en) Rotating drum type swirl curing and stirring device and dredged sludge hydraulic reclamation method
CN110981296A (en) Pressing method brick making process for building waste mud
CN111825299A (en) Van-type filter press slurry curing construction method
CN105776807B (en) Removable construction slurry scene rapid dewatering system and method
CN113860688A (en) Dewatering-brick making integrated system for high-water-content waste slurry and implementation method
CN212356968U (en) Integrated silt slurry treatment system
CN212504498U (en) System for resource utilization silt, building mud
CN113045151A (en) Method and device for treating sand-rich slurry and converting sand-rich slurry into filler
CN206937616U (en) A kind of mixing device for construction site
CN201525137U (en) Building slurry curing device
CN212387854U (en) Shield constructs dregs mud-water separation system
CN202089879U (en) Deep dewatering and curing brickmaking device adopting city life sludge and building pile sludge
CN210313988U (en) Waste slurry dewatering equipment
CN201842221U (en) High concentration soil curing pumping vessel
CN111825297A (en) Intelligent slurry processing system and method
CN110759613A (en) Recycling process of waste slurry for highway construction
CN217921863U (en) Device for regenerating soil filling material by using solid waste
CN201770592U (en) Device special for tail water sludge dewatering treatment of water plant
CN211191374U (en) Multistage mixing stirring device for resource utilization of construction waste

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140319

Termination date: 20210616

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