CN102601037A - Garbage separator, separating system and separating method - Google Patents

Garbage separator, separating system and separating method Download PDF

Info

Publication number
CN102601037A
CN102601037A CN2012100740238A CN201210074023A CN102601037A CN 102601037 A CN102601037 A CN 102601037A CN 2012100740238 A CN2012100740238 A CN 2012100740238A CN 201210074023 A CN201210074023 A CN 201210074023A CN 102601037 A CN102601037 A CN 102601037A
Authority
CN
China
Prior art keywords
rubbish
seperator
delivery chute
main shaft
discharging opening
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
CN2012100740238A
Other languages
Chinese (zh)
Other versions
CN102601037B (en
Inventor
陈秀峰
张本寿
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201210074023.8A priority Critical patent/CN102601037B/en
Publication of CN102601037A publication Critical patent/CN102601037A/en
Application granted granted Critical
Publication of CN102601037B publication Critical patent/CN102601037B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a garbage separator, a separating system and a separating method. The garbage separator comprises a front support, a rear support, a separating cavity, a spindle and a screen drum, a feeding hole is arranged at the top of the front end of the separating cavity, a first discharging hole is arranged at the bottom of the middle of the separating cavity, a second discharging hole is arranged at the bottom of the rear end of the separating cavity, two ends of the spindle are mounted in a front bearing block and a rear bearing block respectively through bearings, the front bearing block and the rear bearing block are supported on the front support and the rear support respectively and fixedly connected with two ends of the separating cavity respectively, the spindle penetrates through the separating cavity, the screen drum is fixed in the inner middle of the separating cavity, a tool rest is sleeved in the front of the spindle and on the spindle in the screen drum, a plurality of blades are circumferentially arranged on the tool rest, an impeller is sleeved in the rear of the spindle, and one end of the spindle is connected with a power portion.

Description

Rubbish seperator, piece-rate system and separation method
Technical field
The present invention relates to the technology of garbage disposal field, particularly relate to a kind of rubbish seperator, rubbish piece-rate system and separation method.
Background technology
Rubbish is the gob of abandoning in factories and miness, enterprise and service industry, the family daily life, also comprises road cleaning foreign material etc., is made up of some gobs of different nature.Rubbish all has very big pollution to social environment, weather, and is especially very big to human health damage, but as reasonably just develop and can turn waste into wealth.Tens kinds and even hundreds of material of different nature are arranged in the rubbish, want separately and be not easy these foreign material.With the method for artificial separation, efficient is low, and labor strength is big, and big to workers ' health harm.Therefore the inventor has succeeded in developing rubbish seperator and rubbish piece-rate system through research for many years.
Summary of the invention
The technical problem that the present invention will solve provide a kind of simple in structure, easy and simple to handle, efficient is high, reduced labor strength, rubbish seperator, piece-rate system and separation method that treatment effect is good.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of rubbish seperator comprises forward and backward support, separates cavity, main shaft, screen drum, and the top of separating the cavity front end is provided with feeding mouth; The bottom of separating the cavity middle part is provided with first discharging opening, and the bottom of separating the cavity rear end is provided with second discharging opening, and the two ends of main shaft are installed in the forward and backward bearing block through bearing respectively; Forward and backward bearing block is supported on respectively on the forward and backward support; Forward and backward bearing block is fixedly connected with the two ends of separating cavity respectively, and main shaft passes the separation cavity, separates fixedly screen drum of the interior middle part of cavity; Suit knife rest on the main shaft in the front portion of main shaft and the screen drum; Knife rest upper edge circumference is provided with some circle blades, the rear portion shrunk-on disc of main shaft, and an end of main shaft links to each other with power section.
Rubbish seperator of the present invention, the wherein said second discharging opening place is the discharging guide plate fixedly.
The present invention also provides a kind of rubbish piece-rate system that comprises above-mentioned rubbish seperator; Comprise first, second and third seperator, rubbish funnel, first, second, third and fourth, five, six, seven delivery chutes; The inlet of first delivery chute is positioned at the discharging opening below of rubbish funnel; The outlet of first delivery chute is positioned at the feeding mouth top of first seperator; The inlet of second delivery chute is positioned at the below of first discharging opening of first seperator, and the outlet of second delivery chute is positioned at the top of the feeding mouth of second seperator, and the inlet of the 3rd delivery chute is positioned at the below of second discharging opening of first seperator; The outlet of the 3rd delivery chute is positioned at the top of the feeding mouth of the 3rd seperator; The inlet of the 4th delivery chute is positioned at the below of first discharging opening of second seperator, and the inlet of the 5th delivery chute is positioned at the below of second discharging opening of second seperator, and the inlet of the 6th delivery chute is positioned at the below of first discharging opening of the 3rd seperator; The inlet of the 7th delivery chute is positioned at the below of second discharging opening of the 3rd seperator, first, second, third and fourth, the position of the inlet of five, six, seven delivery chutes all is higher than the position of outlet.
Rubbish piece-rate system of the present invention, wherein said first, second, third and fourth, the bottom of five, six, seven delivery chutes fixing support rack respectively.
Rubbish piece-rate system of the present invention, the screen drum slot size of wherein said first seperator is 1-3cm, and the screen drum slot size of second seperator is 4-5cm, and the screen drum slot size of the 3rd seperator is 4-6cm.
The present invention also provides a kind of method of separating of garbage, may further comprise the steps:
(1) is raw material earlier, is mixed and heated to 37-40 ℃, heat 1 to 2 hour, after 37-40 ℃ of down stewing 12-16 hour spontaneous fermentation, use air extraction compressor then, extraction biogas with the water of mass ratio 0.1%-0.2% with rubbish;
(2) will remain rubbish and drop in the rubbish funnel, rubbish is delivered in first seperator through first delivery chute, and main shaft rotates; Blade on the main shaft is with the rubbish cutting and grinding; And rubbish carried from front to back, rubbish gets in the screen drum, and the glass in the rubbish, iron, aluminium, changing food waste drop down onto in second delivery chute; Remaining footwear, clothes, polybag drop down onto in the 3rd delivery chute under the effect of impeller in the rubbish;
Rubbish in (3) second delivery chutes is delivered in second seperator; The main shaft of second seperator rotates, and the blade on the main shaft is the rubbish cutting and grinding, and rubbish is carried from front to back; Rubbish gets in the screen drum; Changing food waste in the rubbish drops down onto in the 4th delivery chute, and remaining glass, iron, aluminium drop down onto in the 5th delivery chute
Rubbish in (4) the 3rd delivery chutes is delivered in the 3rd seperator; The main shaft of the 3rd seperator rotates; Blade on the main shaft is the rubbish cutting and grinding, and rubbish is carried from front to back, and rubbish gets in the screen drum; Footwear in the rubbish drop down onto in the 6th delivery chute, and residual plastic bag, clothes drop down onto in the 7th delivery chute.
Rubbish separator structure of the present invention is simple, by the piece-rate system that three rubbish seperators are formed, can the changing food waste in the rubbish, glass, iron, aluminium, footwear, clothes, polybag etc. be separated; Handle respectively then; Easy and simple to handle, separative efficiency is high, and the workman only needs that rubbish is sent into the rubbish funnel and gets final product; Reduced labor strength, treatment effect is good.Can from rubbish, extract biogas, fully recycle energy savings.
Isolated changing food waste can be used for making fertilizer, and clothes, plastics can be used for making plastic grain, fully recycles resource.
Below in conjunction with accompanying drawing rubbish seperator of the present invention and piece-rate system are described further.
Description of drawings
Fig. 1 is the structural representation of rubbish seperator of the present invention;
Fig. 2 is an A-A profile among Fig. 1;
Fig. 3 is a B-B profile among Fig. 1;
Fig. 4 is a C-C profile among Fig. 1;
Fig. 5 is the structural representation of rubbish piece-rate system of the present invention.
The specific embodiment
Shown in Fig. 1-4, rubbish seperator of the present invention comprises forward and backward support 1,2, separates cavity 3, main shaft 4, screen drum 5, and the top of separating cavity 3 front ends is provided with feeding mouth 31; The bottom of separating cavity 3 middle parts is provided with first discharging opening 32; The bottom of separating cavity 3 rear ends is provided with fixedly discharging guide plate 34 of second discharging opening, 33, the second discharging openings, 33 places, and the two ends of main shaft 4 are installed in the forward and backward bearing block 41,42 through bearing respectively; Forward and backward bearing block 41,42 is supported on respectively on the forward and backward support 1,2; Forward and backward bearing block 41,42 is fixedly connected with the two ends of separating cavity 3 respectively, and main shaft 4 passes and separates cavity 3, separates fixedly screen drum 5 of cavity 3 interior middle parts; Suit knife rest 43 on the main shaft 4 in the front portion of main shaft 4 and the screen drum 5, knife rest 43 upper edge circumference are provided with some circle blades 44.The rear portion shrunk-on disc 45 of main shaft 4.One end of main shaft 4 (not shown) that links to each other with power section, power section is a motor.
As shown in Figure 5; Rubbish piece-rate system of the present invention comprise first, second and third seperator 6,7,8, rubbish funnel 9, first, second, third and fourth, five, six, seven delivery chutes; The inlet of first delivery chute 10 is positioned at the discharging opening below of rubbish funnel 9; The outlet of first delivery chute 10 is positioned at feeding mouth 61 tops of first seperator 6; The inlet of second delivery chute 11 is positioned at the below of first discharging opening 62 of first seperator 6; The outlet of second delivery chute 11 is positioned at the top of the feeding mouth 71 of second seperator 7, and the inlet of the 3rd delivery chute 12 is positioned at the below of second discharging opening 63 of first seperator 6, and the outlet of the 3rd delivery chute 12 is positioned at the top of the feeding mouth 81 of the 3rd seperator 8.The inlet of the 4th delivery chute 13 is positioned at the below of first discharging opening 72 of second seperator 7, and the inlet of the 5th delivery chute 14 is positioned at the below of second discharging opening 73 of second seperator 7.The inlet of the 6th delivery chute 15 is positioned at the below of first discharging opening 82 of the 3rd seperator 8, and the inlet of the 7th delivery chute 16 is positioned at the below of second discharging opening 83 of the 3rd seperator 8.First, second, third and fourth, the bottom of five, six, seven delivery chutes fixing support rack 17 respectively, first, second, third and fourth, the position of the inlet of five, six, seven delivery chutes all is higher than the position of outlet, difference in height is 1.4 meters.
The screen drum slot size of first seperator is 1-3cm, and the screen drum slot size of second seperator is 4-5cm, and the screen drum slot size of the 3rd seperator is 4-6cm.
The step of garbage separating method of the present invention is following:
(1) is raw material earlier, is mixed and heated to 37-40 ℃, heat 1 to 2 hour, after 37-40 ℃ of down stewing 12-16 hour spontaneous fermentation, use air extraction compressor then, extraction biogas with the water of mass ratio 0.1% or 0.2% with rubbish;
(2) will remain rubbish and drop in the rubbish funnel 9, rubbish is delivered to through first delivery chute 10 in the separation cavity of first seperator 6, and the driven by motor main shaft rotates; Blade on the main shaft is with the rubbish cutting and grinding; And rubbish carried from front to back, rubbish gets in the screen drum, and the glass in the rubbish, iron, aluminium, changing food waste drop down onto in second delivery chute 11 from first discharging opening; Remaining footwear, clothes, polybag drop down onto in the 3rd delivery chute 12 from second discharging opening under the effect of impeller in the rubbish;
Rubbish in (3) second delivery chutes 11 is delivered in second seperator 7; The main shaft of second seperator 7 rotates, and the blade on the main shaft is the rubbish cutting and grinding, and rubbish is carried from front to back; Rubbish gets in the screen drum; Changing food waste in the rubbish drops down onto in the 4th delivery chute 13 from first discharging opening, and remaining glass, iron, aluminium drop down onto in the 5th delivery chute 14 from second discharging opening
Rubbish in (4) the 3rd delivery chutes 12 is delivered in the 3rd seperator 8; The main shaft of the 3rd seperator 8 rotates, and the blade on the main shaft is the rubbish cutting and grinding, and rubbish is carried from front to back; Rubbish gets in the screen drum; Footwear in the rubbish drop down onto in the 6th delivery chute 15 from first discharging opening, and residual plastic bag, clothes drop down onto in the 7th delivery chute 16 from second discharging opening
(5) the 4th delivery chutes 13 are delivered to agricultural fertile granulator with changing food waste, process fertiliser granulates.The 7th delivery chute 16 with plastics,
Clothes is delivered to the plastic grain machine, adds that batching polyethylene from high pressure process, polypropylene make plastic grain.
Above-described embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.

Claims (7)

1. rubbish seperator is characterized in that: comprise forward and backward support, separate cavity, main shaft, screen drum, the top of separating the cavity front end is provided with feeding mouth; The bottom of separating the cavity middle part is provided with first discharging opening, and the bottom of separating the cavity rear end is provided with second discharging opening, and the two ends of main shaft are installed in the forward and backward bearing block through bearing respectively; Forward and backward bearing block is supported on respectively on the forward and backward support; Forward and backward bearing block is fixedly connected with the two ends of separating cavity respectively, and main shaft passes the separation cavity, separates fixedly screen drum of the interior middle part of cavity; Suit knife rest on the main shaft in the front portion of main shaft and the screen drum; Knife rest upper edge circumference is provided with some circle blades, the rear portion shrunk-on disc of main shaft, and an end of main shaft links to each other with power section.
2. rubbish seperator according to claim 1 is characterized in that: the said second discharging opening place is the discharging guide plate fixedly.
3. rubbish piece-rate system that comprises claim 1 or 2 said rubbish seperators; It is characterized in that: comprise first, second and third seperator, rubbish funnel, first, second, third and fourth, five, six, seven delivery chutes; The inlet of first delivery chute is positioned at the discharging opening below of rubbish funnel; The outlet of first delivery chute is positioned at the feeding mouth top of first seperator; The inlet of second delivery chute is positioned at the below of first discharging opening of first seperator, and the outlet of second delivery chute is positioned at the top of the feeding mouth of second seperator, and the inlet of the 3rd delivery chute is positioned at the below of second discharging opening of first seperator; The outlet of the 3rd delivery chute is positioned at the top of the feeding mouth of the 3rd seperator; The inlet of the 4th delivery chute is positioned at the below of first discharging opening of second seperator, and the inlet of the 5th delivery chute is positioned at the below of second discharging opening of second seperator, and the inlet of the 6th delivery chute is positioned at the below of first discharging opening of the 3rd seperator; The inlet of the 7th delivery chute is positioned at the below of second discharging opening of the 3rd seperator, first, second, third and fourth, the position of the inlet of five, six, seven delivery chutes all is higher than the position of outlet.
4. rubbish piece-rate system according to claim 3 is characterized in that: said first, second, third and fourth, the bottom of five, six, seven delivery chutes fixing support rack respectively.
5. rubbish piece-rate system according to claim 4 is characterized in that: the screen drum slot size of said first seperator is 1-3cm, and the screen drum slot size of second seperator is 4-5cm, and the screen drum slot size of the 3rd seperator is 4-6cm.
6. adopt the method for one of claim 3-5 said rubbish piece-rate system separating of garbage, it is characterized in that may further comprise the steps:
(1) is raw material earlier, is mixed and heated to 37-40 ℃, heat 1 to 2 hour, after 37-40 ℃ of down stewing 12-16 hour spontaneous fermentation, use air extraction compressor then, extraction biogas with the water of mass ratio 0.1%-0.2% with rubbish;
(2) will remain rubbish and drop in the rubbish funnel, rubbish is delivered in first seperator through first delivery chute, and main shaft rotates; Blade on the main shaft is with the rubbish cutting and grinding; And rubbish carried from front to back, rubbish gets in the screen drum, and the glass in the rubbish, iron, aluminium, changing food waste drop down onto in second delivery chute; Remaining footwear, clothes, polybag drop down onto in the 3rd delivery chute under the effect of impeller in the rubbish;
Rubbish in (3) second delivery chutes is delivered in second seperator; The main shaft of second seperator rotates, and the blade on the main shaft is the rubbish cutting and grinding, and rubbish is carried from front to back; Rubbish gets in the screen drum; Changing food waste in the rubbish drops down onto in the 4th delivery chute, and remaining glass, iron, aluminium drop down onto in the 5th delivery chute
Rubbish in (4) the 3rd delivery chutes is delivered in the 3rd seperator; The main shaft of the 3rd seperator rotates; Blade on the main shaft is the rubbish cutting and grinding, and rubbish is carried from front to back, and rubbish gets in the screen drum; Footwear in the rubbish drop down onto in the 6th delivery chute, and residual plastic bag, clothes drop down onto in the 7th delivery chute.
7. garbage separating method according to claim 6; It is characterized in that: said the 4th delivery chute is delivered to agricultural fertile granulator with changing food waste; Process fertiliser granulates, the 7th delivery chute is delivered to the plastic grain machine with plastics, clothes, adds that batching polyethylene from high pressure process, polypropylene make plastic grain.
CN201210074023.8A 2012-03-20 2012-03-20 Garbage separating method Expired - Fee Related CN102601037B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210074023.8A CN102601037B (en) 2012-03-20 2012-03-20 Garbage separating method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210074023.8A CN102601037B (en) 2012-03-20 2012-03-20 Garbage separating method

Publications (2)

Publication Number Publication Date
CN102601037A true CN102601037A (en) 2012-07-25
CN102601037B CN102601037B (en) 2014-06-18

Family

ID=46519022

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210074023.8A Expired - Fee Related CN102601037B (en) 2012-03-20 2012-03-20 Garbage separating method

Country Status (1)

Country Link
CN (1) CN102601037B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106424076A (en) * 2016-08-04 2017-02-22 无锡市长江机电有限公司 Automatic household garbage classification treatment system
CN108273827A (en) * 2018-01-18 2018-07-13 北京建筑大学 A kind of high integrated domestic garbage treating system of sharpness of separation and method
CN109092492A (en) * 2018-09-07 2018-12-28 曹玉娣 A kind of building waste automated processing system and rubbish automatic processing method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2125452U (en) * 1992-07-08 1992-12-23 北京石通机电设备经营公司 Mincing and sorting machine for city presh living garbage
CN101130174A (en) * 2007-09-14 2008-02-27 苏州市洁净废植物油回收有限公司 Machine for disintegrating kitchen refuse
JP2008246462A (en) * 2007-03-30 2008-10-16 Mhi Environment Engineering Co Ltd Pretreatment apparatus for methane fermentation and methane fermentation treatment system using it
KR20100009139A (en) * 2008-07-18 2010-01-27 이상범 Food garbage treating apparatus with a bad smell eliminating function
KR100998628B1 (en) * 2010-02-24 2010-12-10 주식회사 더블유아이 The sealing equipment for drying system
CN102304548A (en) * 2011-06-15 2012-01-04 中国科学院广州能源研究所 Method and device for separating and recovering restaurant and kitchen garbage biogas fermentation coupling oil
CN102350436A (en) * 2011-09-29 2012-02-15 天津市博途环保技术开发有限公司 Double-shaft biomass separator
CN202506582U (en) * 2012-03-20 2012-10-31 陈秀峰 Garbage separator and separation system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2125452U (en) * 1992-07-08 1992-12-23 北京石通机电设备经营公司 Mincing and sorting machine for city presh living garbage
JP2008246462A (en) * 2007-03-30 2008-10-16 Mhi Environment Engineering Co Ltd Pretreatment apparatus for methane fermentation and methane fermentation treatment system using it
CN101130174A (en) * 2007-09-14 2008-02-27 苏州市洁净废植物油回收有限公司 Machine for disintegrating kitchen refuse
KR20100009139A (en) * 2008-07-18 2010-01-27 이상범 Food garbage treating apparatus with a bad smell eliminating function
KR100998628B1 (en) * 2010-02-24 2010-12-10 주식회사 더블유아이 The sealing equipment for drying system
CN102304548A (en) * 2011-06-15 2012-01-04 中国科学院广州能源研究所 Method and device for separating and recovering restaurant and kitchen garbage biogas fermentation coupling oil
CN102350436A (en) * 2011-09-29 2012-02-15 天津市博途环保技术开发有限公司 Double-shaft biomass separator
CN202506582U (en) * 2012-03-20 2012-10-31 陈秀峰 Garbage separator and separation system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘玉德等: "小型餐厨垃圾处理设备研究", 《粮油加工》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106424076A (en) * 2016-08-04 2017-02-22 无锡市长江机电有限公司 Automatic household garbage classification treatment system
CN108273827A (en) * 2018-01-18 2018-07-13 北京建筑大学 A kind of high integrated domestic garbage treating system of sharpness of separation and method
CN108273827B (en) * 2018-01-18 2020-06-23 北京建筑大学 Integrated household garbage treatment system and method with high sorting precision
CN109092492A (en) * 2018-09-07 2018-12-28 曹玉娣 A kind of building waste automated processing system and rubbish automatic processing method
CN109092492B (en) * 2018-09-07 2020-10-30 宁夏红远汇达实业有限公司 Automatic construction waste treatment system and automatic waste treatment method

Also Published As

Publication number Publication date
CN102601037B (en) 2014-06-18

Similar Documents

Publication Publication Date Title
CN103008327B (en) A kind of broken apart equipment being applied to Kitchen waste pretreatment method
CN206763590U (en) A kind of classified-refuse recovery system
CN209531104U (en) Kitchen garbage grinding device
CN103143552B (en) Recycling harmless comprehensive treating method for kitchen garbage
CN103551364A (en) Large-scale treatment method for kitchen garbage
CN205925938U (en) Waste glass smashes recovery system
CN203990820U (en) For the crushing mechanism of organic waste automatic pulverizing sorting unit
CN102601037B (en) Garbage separating method
CN203370619U (en) Smashing dehydration lifting device of raw organic refuse integration disposing machine
CN105327751B (en) Organic waste automatic pulverizing sorting unit
CN203750976U (en) Processing system for comprehensively utilizing urban garbage
CN102390099A (en) Method for recovering thin and light plastics from domestic garbage
CN204523756U (en) A kind of Biohazard Waste Disposal
CN202762722U (en) Kitchen waste disposal system
CN106140421A (en) New and effective biomass straw crushing system
CN203990819U (en) Organic waste automatic pulverizing sorting unit
CN202506582U (en) Garbage separator and separation system
CN204638251U (en) Rice production line
CN205887386U (en) A drum sieve for kitchen remains refuse treatment
CN203253491U (en) Micro kitchen treatment device
CN210171946U (en) Complete equipment for sorting and recovering domestic solid garbage
CN201720104U (en) Rubber crushing equipment
CN206240592U (en) A kind of device for pulverizing rubbish
CN103752380A (en) Kitchen waste treatment device
CN202910061U (en) Real-time aquatic plant processing device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140618

Termination date: 20170320