CN108262346A - A kind of system repaired for the multiple stirring oxidation of dystopy soil - Google Patents
A kind of system repaired for the multiple stirring oxidation of dystopy soil Download PDFInfo
- Publication number
- CN108262346A CN108262346A CN201711447688.8A CN201711447688A CN108262346A CN 108262346 A CN108262346 A CN 108262346A CN 201711447688 A CN201711447688 A CN 201711447688A CN 108262346 A CN108262346 A CN 108262346A
- Authority
- CN
- China
- Prior art keywords
- soil
- pipeline
- dystopy
- regulating valve
- pipe
- 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.)
- Pending
Links
- 239000002689 soil Substances 0.000 title claims abstract description 50
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 29
- 230000003647 oxidation Effects 0.000 title claims abstract description 28
- 238000003756 stirring Methods 0.000 title claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 25
- 239000003814 drug Substances 0.000 claims abstract description 12
- 238000012216 screening Methods 0.000 claims abstract description 12
- 239000002351 wastewater Substances 0.000 claims abstract description 10
- 238000013329 compounding Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 238000011900 installation process Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Food Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of system repaired for the multiple stirring oxidation of dystopy soil, including feed hopper, tertiary crusher, oscillating feeder, vibrating screening machine, high angle belt conveyer, screw conveyor, air compressor machine, air accumulator, compounding bin, medicament liquid level gauge, diaphragm pump, the first regulating valve, soil mixing oxidation device, first pipe, second pipe, third pipeline, breeches joint and the 4th pipeline, the second regulating valve and third regulating valve;The soil mixing oxidation device includes dystopy reactor, dosing meter, multiple blender, blowback bucket, star-like dump skip and waste water collection tank.The integrated design of the feed hopper, crusher, batcher of system repaired for the multiple stirring oxidation of dystopy soil, eliminate installation process, floor space is greatly reduced, three coordinated signals of dosing meter, regulating valve, medicament liquid level gauge is designed, realizes full-automatic pharmacy dosing process.
Description
Technical field
Present invention relates particularly to a kind of systems repaired for the multiple stirring oxidation of dystopy soil.
Background technology
Soil pollution refers to that the substance being harmful in itself with other life entities to the mankind is applied in soil by human activity, causes
Make
The content of certain harmful components is significantly raised, and the phenomenon that soil environment is caused to deteriorate.In environmental carrying capacity, work as pollutant
Into after soil, under the action of soil mineral, organic matter and edaphon, by a series of physics, chemistry and life
Object chemical reaction process reduces its concentration or changes its form, and so as to eliminate pollutant toxicity, here it is the self-cleaning works of soil
With the environmental carrying capacity of, usual soil be also referred to as soil from net capacity.In recent years, with the rapid development of industrial or agricultural, heavy metal
Ion is largely discharged in the production and use process, and is passed through the approach such as atmospheric sedimentation, sewage irrigation and entered soil, makes soil
Situation by heavy metal pollution is on the rise.Heavy metal ion and its compound in these soil can enter people by food chain
Body generates high risks to human body.
Invention content
Technical problems to be solved:It is a primary object of the present invention to, one kind is provided and is taken up little area, it is automanual to be used for dystopy
The system that the multiple stirring oxidation of soil is repaired.
Technical solution:The multiple stirring oxygen of dystopy soil is used in order to solve the above technical problem, the present invention provides a kind of
Change the system repaired, the technical scheme is that:
It is a kind of for dystopy soil it is multiple stirring oxidation repair system, including feed hopper, tertiary crusher, oscillating feeder,
Vibrating screening machine, high angle belt conveyer, screw conveyor, air compressor machine, air accumulator, compounding bin, medicament liquid level gauge, diaphragm pump, first
Regulating valve, soil mixing oxidation device, first pipe, second pipe, third pipeline, breeches joint and the 4th pipeline, second are adjusted
Valve and third regulating valve;The soil mixing oxidation device includes dystopy reactor, dosing meter, multiple blender, blowback
Bucket, star-like dump skip and waste water collection tank;The tertiary crusher is fixedly arranged above feed hopper, and lower section is fixed with vibrating feed
Machine;The batcher is connect with vibrating screening machine;The delivery end of high angle belt conveyer is placed below the vibrating screening machine discharge port;
Soil mixing oxidation device is placed below the output terminal of the high angle belt conveyer;The delivery end of the diaphragm pump passes through the 4th pipeline
It is connect with compounding bin, output terminal is connect by pipeline with soil mixing oxidation device;The output terminal of 4th pipeline and dosing
Meter is connected, and is inserted into dystopy reactor;Multiple blender is installed, bottom is equipped with star-like unload in the dystopy reactor
Hopper;Blowback bucket is equipped with above the star-like dump skip, side is connect with waste water collection tank;It is put below the dump skip discharge port
Put screw conveyor;The air compressor machine is connected with air accumulator entrance;The reservoir outlet passes through first pipe and breeches joint
Connection;The breeches joint is connected respectively by second pipe and third pipeline with blowback bucket and diaphragm pump.
The air compressor machine is equipped with the second regulating valve with the tank connected pipeline of gas storage.
The first pipe is equipped with third regulating valve.
4th pipeline is equipped with the first regulating valve.
Advantageous effect:The advantageous effects of the present invention are:The present invention's repaiies for the multiple stirring oxidation of dystopy soil
Multiple system has the following advantages:
1st, the integrated design of feed hopper, crusher, batcher, eliminates installation process, greatly reduces floor space.
2nd, blowback bucket is designed, is taken off for the blowback of soil, prevents the blocking of soil discharge process.
3rd, multiple blender is designed, is fully reacted with oxidating chemicals respectively for different-grain diameter soil.
4th, three coordinated signals of design dosing meter, regulating valve, medicament liquid level gauge, realize full-automatic pharmacy dosing
Journey.
Description of the drawings
Fig. 1 is the schematic diagram of system that the present invention repairs for the multiple stirring oxidation of dystopy soil.
In figure:1st, feed hopper;2nd, tertiary crusher;3rd, oscillating feeder;4th, vibrating screening machine;5th, high angle belt conveyer;6、
Dystopy reactor;7th, dosing meter;8th, multiple blender;9th, blowback bucket;10th, star-like dump skip;11st, waste water collection tank;12、
Screw conveyor;13rd, air compressor machine;14th, air accumulator;15th, compounding bin;16th, medicament liquid level gauge;17th, diaphragm pump;18th, it first adjusts
Valve;19th, soil mixing oxidation device;20th, first pipe;21st, second pipe;22nd, third pipeline;23rd, breeches joint;24th, the 4th
Pipeline;25th, the second regulating valve;26th, third regulating valve.
Specific embodiment
Principle in order to further illustrate the present invention is described in detail the present invention in conjunction with attached drawing.
As shown in Figure 1, a kind of system repaired for the multiple stirring oxidation of dystopy soil, crushes including feed hopper 1, three-level
Machine 2, oscillating feeder 3, vibrating screening machine 4, high angle belt conveyer 5, screw conveyor 12, air compressor machine 13, air accumulator 14, compounding bin
15th, medicament liquid level gauge 16, diaphragm pump 17, the first regulating valve 18, soil mixing oxidation device 19, first pipe 20, second pipe
21st, third pipeline 22,23 and the 4th pipeline 24 of breeches joint, the second regulating valve 25 and third regulating valve 26;The soil stirs oxygen
Makeup is put including dystopy reactor 6, dosing meter 7, multiple blender 8, blowback bucket 9, star-like dump skip 10 and wastewater collection
Slot 11;The tertiary crusher 2 is fixedly arranged above feed hopper 1, and lower section is fixed with oscillating feeder 3;The batcher 3 and vibration
Screening machine 4 connects;The delivery end of high angle belt conveyer 5 is placed below 4 discharge port of vibrating screening machine;The high angle belt conveyer 5
Output terminal below place soil mixing oxidation device 19;The delivery end of the diaphragm pump 17 passes through the 4th pipeline 24 and compounding bin
15 connections, output terminal are connect by pipeline with soil mixing oxidation device 19;The output terminal of 4th pipeline 24 and dosing meter
Measuring device 7 is connected, and is inserted into dystopy reactor 6;Multiple blender 8 is installed, bottom is equipped with star-like in the dystopy reactor 6
Dump skip 10;10 top of star-like dump skip is equipped with blowback bucket 9, and side is connect with waste water collection tank 11;The dump skip 10
Screw conveyor 12 is placed below discharge port;The air compressor machine 13 is connected with 14 entrance of air accumulator;The air accumulator 14 exports
It is connect by first pipe 20 with breeches joint 23;The breeches joint passes through second pipe 21 and third pipeline 22 and blowback respectively
Bucket 9 is connected with diaphragm pump 17;The pipeline that the air compressor machine 13 is connect with air accumulator 14 is equipped with the second regulating valve 25;Described
One pipeline 20 is equipped with third regulating valve 26;4th pipeline is equipped with the first regulating valve 18.
Concrete technology flow process:
Preprocessing process:By feed hopper 1, soil enters change system;By tertiary crusher 2 it is multiple it is broken after, soil
Smaller particle is ground into, and rejects ratchel;By the vibrating transportation of oscillating feeder 3, into vibrating screening machine 4, removal
Small-sized chad.
Repair process:Pretreated soil, after the transmission and metering of high angle belt conveyer 5, into dystopy reactor
6;Soil being sufficiently stirred by multiple blender 8 with medicament, makes chemical oxidation reaction fully carry out;Soil after reparation passes through
After the discharging of star-like dump skip 10, into screw conveyor 12;Soil is after the conveying of screw conveyor 12 after reparation, discharging discharge
Change system, after the waste water that transmission process generates is collected by waste water collection tank 11, overflow discharge system.
Medicine system:Oxidating chemicals are completed to prepare in compounding bin 15, pass through the real time measure and tune of medicament liquid level gauge 16
The coordinated signals of valve 18 are saved, to realize automatic adjustment medicament configuration amount;By diaphragm pump 17, medicament is transmitted to dosing meter
7;By dosing meter 7 and the coordinated signals of regulating valve 18, automatically controlling for dosing dosage is realized.
Ancillary equipment:The compressed air manufactured by air compressor machine 13, into 14 storing compressed air of air accumulator;On the one hand it presses
Contracting air provides power resources for diaphragm pump 17, and on the other hand providing blowback for blowback bucket 9 takes off function, prevents discharge port soil from blocking up
Plug.
The foregoing is merely the preferable possible embodiments of the present invention, not limit the scope of the invention.It is every to utilize this hair
Bright specification and accompanying drawing content are made equivalent separate, are directly or indirectly used in other related technical areas, similarly
It is included within the scope of the present invention.
Claims (4)
1. a kind of system repaired for the multiple stirring oxidation of dystopy soil, it is characterised in that:Including feed hopper(1), three-level breaks
Broken machine(2), oscillating feeder(3), vibrating screening machine(4), high angle belt conveyer(5), screw conveyor(12), air compressor machine(13)、
Air accumulator(14), compounding bin(15), medicament liquid level gauge(16), diaphragm pump(17), the first regulating valve(18), soil stirring oxidation dress
It puts(19), first pipe(20), second pipe(21), third pipeline(22), breeches joint(23)With the 4th pipeline(24), second
Regulating valve(25)With third regulating valve(26);The soil mixing oxidation device includes dystopy reactor(6), dosing meter
(7), multiple blender(8), blowback bucket(9), star-like dump skip(10)And waste water collection tank(11);The tertiary crusher(2)
It is fixedly arranged above feed hopper(1), lower section is fixed with oscillating feeder(3);The batcher(3)With vibrating screening machine(4)Connection;
The vibrating screening machine(4)High angle belt conveyer is placed below discharge port(5)Delivery end;The high angle belt conveyer(5)Output
Place soil mixing oxidation device in end lower section(19);The diaphragm pump(17)Delivery end pass through the 4th pipeline(24)With compounding bin
(15)Connection, output terminal pass through pipeline and soil mixing oxidation device(19)Connection;4th pipeline(24)Output terminal with
Dosing meter(7)It is connected, is inserted into dystopy reactor(6)In;The dystopy reactor(6)Multiple blender is inside installed
(8), bottom is equipped with star-like dump skip(10);The star-like dump skip(10)Top is equipped with blowback bucket(9), side and wastewater collection
Slot(11)Connection;The dump skip(10)Screw conveyor is placed below discharge port(12);The air compressor machine(13)With air accumulator
(14)Entrance is connected;The air accumulator(14)Outlet passes through first pipe(20)With breeches joint(23)Connection;The Y types connect
Head passes through second pipe respectively(21)With third pipeline(22)With blowback bucket(9)And diaphragm pump(17)It is connected.
2. a kind of system repaired for the multiple stirring oxidation of dystopy soil as described in claim 1, which is characterized in that described
Air compressor machine(13)With air accumulator(14)The pipeline of connection is equipped with the second regulating valve(25).
3. a kind of system repaired for the multiple stirring oxidation of dystopy soil as described in claim 1, which is characterized in that described
First pipe(20)It is equipped with third regulating valve(26).
4. a kind of system repaired for the multiple stirring oxidation of dystopy soil as described in claim 1, which is characterized in that described
4th pipeline is equipped with the first regulating valve(18).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711447688.8A CN108262346A (en) | 2017-12-27 | 2017-12-27 | A kind of system repaired for the multiple stirring oxidation of dystopy soil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711447688.8A CN108262346A (en) | 2017-12-27 | 2017-12-27 | A kind of system repaired for the multiple stirring oxidation of dystopy soil |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108262346A true CN108262346A (en) | 2018-07-10 |
Family
ID=62772802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711447688.8A Pending CN108262346A (en) | 2017-12-27 | 2017-12-27 | A kind of system repaired for the multiple stirring oxidation of dystopy soil |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108262346A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110420987A (en) * | 2019-07-31 | 2019-11-08 | 江苏大地益源环境修复有限公司 | Integral intelligent high-pressure injection medical fluid automatically configures and injection device |
CN110976508A (en) * | 2019-12-27 | 2020-04-10 | 李永成 | Method for preparing and treating soil remediation chemical reagent liquid |
CN112808769A (en) * | 2021-01-27 | 2021-05-18 | 江苏长三角环境科学技术研究院有限公司 | Pollute high-efficient broken mixed integral type of soil dystopy and restore equipment |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000117238A (en) * | 1998-10-20 | 2000-04-25 | Konoike Constr Ltd | Purifying equipment for soil contaminant |
JP2003103249A (en) * | 2001-09-28 | 2003-04-08 | Seon:Kk | Method and system for treatment of soil, etc., contaminated by organochlorine compound |
CN203124411U (en) * | 2013-03-21 | 2013-08-14 | 中节能六合天融环保科技有限公司 | Ectopic stabilizing treatment unit of heavy metal contaminated soil |
CN104438315A (en) * | 2014-11-05 | 2015-03-25 | 北京高能时代环境技术股份有限公司 | In-situ chemical oxidation injection device for repairing polluted soil and underground water |
CN207899862U (en) * | 2017-12-27 | 2018-09-25 | 江苏盖亚环境科技股份有限公司 | A kind of system repaired for the multiple stirring oxidation of dystopy soil |
-
2017
- 2017-12-27 CN CN201711447688.8A patent/CN108262346A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000117238A (en) * | 1998-10-20 | 2000-04-25 | Konoike Constr Ltd | Purifying equipment for soil contaminant |
JP2003103249A (en) * | 2001-09-28 | 2003-04-08 | Seon:Kk | Method and system for treatment of soil, etc., contaminated by organochlorine compound |
CN203124411U (en) * | 2013-03-21 | 2013-08-14 | 中节能六合天融环保科技有限公司 | Ectopic stabilizing treatment unit of heavy metal contaminated soil |
CN104438315A (en) * | 2014-11-05 | 2015-03-25 | 北京高能时代环境技术股份有限公司 | In-situ chemical oxidation injection device for repairing polluted soil and underground water |
CN207899862U (en) * | 2017-12-27 | 2018-09-25 | 江苏盖亚环境科技股份有限公司 | A kind of system repaired for the multiple stirring oxidation of dystopy soil |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110420987A (en) * | 2019-07-31 | 2019-11-08 | 江苏大地益源环境修复有限公司 | Integral intelligent high-pressure injection medical fluid automatically configures and injection device |
CN110976508A (en) * | 2019-12-27 | 2020-04-10 | 李永成 | Method for preparing and treating soil remediation chemical reagent liquid |
CN110976508B (en) * | 2019-12-27 | 2021-05-07 | 江苏暨之阳环保科技有限公司 | A method for soil remediation using chemical reagent liquid |
CN112808769A (en) * | 2021-01-27 | 2021-05-18 | 江苏长三角环境科学技术研究院有限公司 | Pollute high-efficient broken mixed integral type of soil dystopy and restore equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101659456B (en) | Powdered activated carbon automatic dosing system | |
CN108262346A (en) | A kind of system repaired for the multiple stirring oxidation of dystopy soil | |
CN201932697U (en) | Automatized charging system for dry powder material | |
CN205953873U (en) | Liquid fertilizer production line | |
CN201190581Y (en) | Ramming device | |
CN207808071U (en) | A kind of concrete batching and mixing tower | |
CN105032920B (en) | Modular movable different-position soil repairing system | |
CN112456756A (en) | Mobile sludge dewatering equipment and application thereof | |
CN207375930U (en) | A kind of solid-state oil sludge processing unit | |
CN207899862U (en) | A kind of system repaired for the multiple stirring oxidation of dystopy soil | |
CN201080460Y (en) | Vertical operation dry-type anaerobic digestion device | |
CN105478449A (en) | Garbage incineration fly ash curing system | |
CN205364201U (en) | Concrete mixing pump sending all -in -one | |
CN115739975B (en) | An intelligent device for ectopic stabilization and repair | |
CN204911265U (en) | Lime wash configuration system among sewage treatment | |
CN203295229U (en) | Pouch packaged powdered activated carbon storing, concocting and dosing system | |
CN102001520A (en) | System for automatically charging a dry powder material | |
CN210583461U (en) | Decyanation system for cyanamide waste residues | |
CN215783337U (en) | Device for conveying and blending PTA slurry | |
CN206111197U (en) | A dregs conveyor and tunnel boring machine for tunnel boring machine | |
CN204261798U (en) | A kind of ore-dressing plant of titanium placer | |
CN203600435U (en) | Sizing agent equipment | |
CN210944996U (en) | Feed bin for sludge treatment of sewage treatment plant | |
CN210289798U (en) | Grouting system | |
CN209670941U (en) | Profile control infection system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180710 |