CN106287645A - Tower-type furnace buckstay integral installation method - Google Patents
Tower-type furnace buckstay integral installation method Download PDFInfo
- Publication number
- CN106287645A CN106287645A CN201610792842.4A CN201610792842A CN106287645A CN 106287645 A CN106287645 A CN 106287645A CN 201610792842 A CN201610792842 A CN 201610792842A CN 106287645 A CN106287645 A CN 106287645A
- Authority
- CN
- China
- Prior art keywords
- buckstay
- vertical section
- wall
- water
- lifting
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/24—Supporting, suspending, or setting arrangements, e.g. heat shielding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of tower-type furnace buckstay integral installation method, include the lifting of vertical section water-cooling wall buckstay, the lifting of spiral section buckstay and the installation of buckstay.The mode that the vertical section water-cooling wall buckstay of the present invention and the lifting of spiral section buckstay all use integral hoisting fixing positions, simple to operate, lifting locating speed is fast, and lifting location post-mounting structure is stable, meets the needs of boiler body stability.
Description
Technical field
The present invention relates to the construction field of boiler body, specifically a kind of tower-type furnace buckstay integral installation method.
Background technology
Boiler body is the nucleus equipment in thermal power plant, and whole pressure parts of boiler all use overhung construction, just
Often under operating condition, pipe adds the sealing membrane type fireplace thorax that band steel is welded into and is difficult to bear extraneous natural wind, earthquake deadweight and attached
The load such as negative pressure, detonation or pulsation and operating each to expansion, especially under the damage of detonation also in loading, stove
Can be by higher surge.For ensure pressure parts pipe wall be not destroyed, make boiler expand in order, excellent sealing and load
Correct transmission, it is necessary to design complete boiler body framework.Boiler body framework is mainly made up of buckstay system.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of tower-type furnace buckstay integral installation method, uses integral hoisting
Method, install quickly, and mounted configuration be stable.
The technical scheme is that
Tower-type furnace buckstay integral installation method, includes the lifting of vertical section water-cooling wall buckstay, the lifting of spiral section buckstay
With the installation of buckstay, specifically include following steps:
(1), the lifting of vertical section water-cooling wall buckstay: vertical section buckstay is divided into vertical section buckstay upper element and vertical section
Buckstay lower component；
The lifting of vertical section buckstay upper element: employing 50T crawler crane cooperation lifts, 80t tower crane lifts by crane in burner hearth, when hanging down
Straight section buckstay upper element lifts after erecting, 50t crawler crane break off relations check confirm vertical section buckstay upper element direction without
After Wu, 80t tower crane it is adjusted after being lifted to setting height(from bottom) installing the height between vertical section buckstay upper element and link plate
Strength bolt, high-strength bolt completes casting anchor of upper element after installing；
The lifting of vertical section buckstay lower component: vertical section buckstay lower component includes multilamellar, uses hydraulic pressure lift dress
Put and successively lift；First in zero meter of burner hearth by firm with the vertical section buckstay lower component the superiors for anchor head under hydraulic lifting apparatus
Property beam connect, on the upper strata buckstay of vertical section buckstay lower component is risen to and stops after certain altitude by hydraulic lifting apparatus
Rise, next layer of horizontal stiffness beam and perpendicular rigid beam are installed by drawing position, and boatswain chair, group are installed outside buckstay
Conjunction promotes after completing again, and method is sling vertical section buckstay lower component successively according to this；Vertical section buckstay lower component group
After conjunction, hydraulic lifting apparatus rises and rises to absolute altitude shown in drawing, installs interim suspension rod；
(2), spiral section buckstay lifting: the whole face wall of spiral section buckstay uses hydraulic lifting apparatus to lift, hydraulic pressure lift
Device is arranged on temporary support beam, and lower anchor head is directly connected with boiler steel structure crossbeam；Spiral section buckstay uses 50t crawler belt
Hydraulic lifting apparatus is coordinated to lift, when the ground floor crossbeam of spiral section buckstay is carried by hydraulic lifting apparatus in being hung in burner hearth
Stop when being raised to certain altitude hoisting, with 50T crawler crane in burner hearth by the ground floor of spiral section buckstay and second layer crossbeam
Between vertical beam level be lifted into installation site, adjust the bolt between vertical beam and crossbeam with chain block, when one layer of peace
After dress, hydraulic lifting apparatus hoists, then installs next layer, and so circulation is until whole face wall installs, and rises to drawing institute
Indicating height installs interim suspension rod；
(3), the installation of buckstay: water-cooling wall entirety piece terminates, and after terminating by inspection, installs water-cooling wall buckstay and water-cooling wall
Between connector, wouldn't connect with layer reinforcing beam corner part, buckstay connect ironware install after, with the mark on steel frame column
The corner attachments of buckstay is installed on the basis of high datum line and burner hearth centrage, then install horizontal stiffness beam expansion dead point and
The brace of more flat buckstay.
Described temporary support beam one end is placed on the crossbeam on boiler steel structure top, the other end is welded on water-cooling wall
On, the described whole face wall of spiral section buckstay is provided with five parallel temporary support beams, two on the left of difference prop up temporarily
Support beam is provided with a hydraulic lifting apparatus, and two the temporary support beams being arranged at right side are provided with another hydraulic pressure lift dress
Put.
After the lower anchor head of described hydraulic lifting apparatus is by lifting beam is connected with self-control, then with vertical section buckstay bottom
The superiors' buckstay of assembly connects and composes tackling system.
In described vertical section buckstay lower component lifting anabolic process, its perpendicular rigid beam is connected with horizontal stiffness beam
Place is fixed with bolts, after water-cooling wall is in place, water-cooling wall be connected with buckstay after again by disassembling bolts.
Described vertical section water-cooling wall buckstay and spiral section buckstay divide equally four sides wall, described spiral section buckstay four
The lifting sequence of face wall is followed successively by: left wall spiral section water-cooling wall buckstay, front wall spiral section water-cooling wall buckstay, right wall spiral section
Water-cooling wall buckstay and rear wall spiral section water-cooling wall buckstay.
The described determination of the superiors' buckstay absolute altitude and the installation site of boatswain chair are with 1 meter of elevation line of steelframe head tree as base
Directrix upwards draws elevation line, as the benchmark of four sides wall top layer buckstay elevation line, marks four sides wall top layer buckstay respectively
Center elevation line, and carry out permanent visible marking.
Advantages of the present invention:
The mode that the vertical section water-cooling wall buckstay of the present invention and the lifting of spiral section buckstay all use integral hoisting fixing is carried out
Location, simple to operate, lifting locating speed is fast, and lifting location post-mounting structure is stable, meets the need of boiler body stability
Want.
Accompanying drawing explanation
Fig. 1 is the mounting structure figure of hydraulic lifting apparatus on spiral section buckstay of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Tower-type furnace buckstay integral installation method, includes the lifting of vertical section water-cooling wall buckstay, spiral section buckstay
Lifting and the installation of buckstay, specifically included following steps:
(1), the lifting of vertical section water-cooling wall buckstay: vertical section buckstay is divided into vertical section buckstay upper element and vertical section
Buckstay lower component；
The lifting of vertical section buckstay upper element: vertical section buckstay divides four sides wall to lift respectively, uses 50T crawler crane
Cooperation lifts, 80t tower crane lifts by crane in burner hearth, and after vertical section buckstay upper element lifts and erects, 50t crawler crane breaks off relations and examines
Look into confirmation vertical section buckstay upper element direction errorless after, 80t tower crane be adjusted installing vertical after being lifted to setting height(from bottom)
High-strength bolt between straight section buckstay upper element and link plate, high-strength bolt completes casting anchor of upper element after installing；
The lifting of vertical section buckstay lower component: vertical section buckstay lower component includes multilamellar, uses hydraulic pressure lift dress
Put and successively lift；First in zero meter of burner hearth by firm with the vertical section buckstay lower component the superiors for anchor head under hydraulic lifting apparatus
Property beam connect, on the upper strata buckstay of vertical section buckstay lower component is risen to and stops after certain altitude by hydraulic lifting apparatus
Rise, next layer of horizontal stiffness beam and perpendicular rigid beam are installed by drawing position, and boatswain chair, group are installed outside buckstay
Conjunction promotes after completing again, and method is sling vertical section buckstay lower component successively according to this；Vertical section buckstay lower component group
After conjunction, hydraulic lifting apparatus rises and rises to absolute altitude shown in drawing, installs interim suspension rod；
(2), spiral section buckstay lifting: spiral section water-cooling wall buckstay divides four sides wall to lift, and lifting sequence is followed successively by: left
Wall spiral section water-cooling wall buckstay → front wall spiral section water-cooling wall buckstay → right wall spiral section water-cooling wall buckstay → rear wall spiral shell
Rotation section water-cooling wall buckstay；The whole face wall of spiral section buckstay uses hydraulic lifting apparatus to lift, and hydraulic lifting apparatus is installed
On temporary support beam, lower anchor head is directly connected with boiler steel structure crossbeam；See that Fig. 1, temporary support beam 1 one end are placed on boiler
On the crossbeam 2 on steel construction top, the other end be welded on water-cooling wall 3, the whole face wall of spiral section buckstay is provided with five parallel
Temporary support beam 1, respectively left side two temporary support beams 1 be provided with a hydraulic lifting apparatus 4, be arranged at right side two
Individual temporary support beam 1 is provided with another hydraulic lifting apparatus 4, the lower anchor head of hydraulic lifting apparatus 4 by with self-control lifting beam
After connection, then connect and compose tackling system with the superiors' buckstay of vertical section buckstay lower component；Spiral section buckstay is adopted
Hydraulic lifting apparatus 4 is coordinated to lift in burner hearth with 50t crawler crane 5, when hydraulic lifting apparatus is by spiral section buckstay
Stop when ground floor crossbeam rises to certain altitude hoisting, with 50T crawler crane ground floor by spiral section buckstay in burner hearth
And the vertical beam level between second layer crossbeam is lifted into installation site, adjust the spiral shell between vertical beam and crossbeam with chain block
Bolt, after installing when one layer, hydraulic lifting apparatus hoists, then installs next layer, and so circulation is until whole face wall installs,
Rise to absolute altitude shown in drawing and interim suspension rod is installed；In vertical section buckstay lower component lifting anabolic process, its perpendicular rigid
Beam is fixed with bolts with horizontal stiffness beam junction, and after water-cooling wall is in place, water-cooling wall will after being connected with buckstay again
Disassembling bolts
(3), the installation of buckstay: the determination of the superiors' buckstay absolute altitude and the installation site of boatswain chair are with steelframe head tree 1 meter mark
Draw elevation line on the basis of high line on alignment, as the benchmark of four sides wall top layer buckstay elevation line, mark four sides wall top respectively
Layer buckstay center elevation line, and carry out permanent visible marking；Water-cooling wall entirety piece terminates, and after terminating by inspection, installs
Connector between water-cooling wall buckstay and water-cooling wall, wouldn't connect with layer reinforcing beam corner part, connects ironware peace at buckstay
After dress, the corner attachments of buckstay is installed on the basis of absolute altitude datum line on steel frame column and burner hearth centrage, then installs
The expansion dead point of horizontal stiffness beam and the brace of more flat buckstay.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (6)
1. tower-type furnace buckstay integral installation method, it is characterised in that: include the lifting of vertical section water-cooling wall buckstay, spiral
Section buckstay lifting and the installation of buckstay, specifically included following steps:
(1), the lifting of vertical section water-cooling wall buckstay: vertical section buckstay is divided into vertical section buckstay upper element and vertical section
Buckstay lower component；
The lifting of vertical section buckstay upper element: employing 50T crawler crane cooperation lifts, 80t tower crane lifts by crane in burner hearth, when hanging down
Straight section buckstay upper element lifts after erecting, 50t crawler crane break off relations check confirm vertical section buckstay upper element direction without
After Wu, 80t tower crane it is adjusted after being lifted to setting height(from bottom) installing the height between vertical section buckstay upper element and link plate
Strength bolt, high-strength bolt completes casting anchor of upper element after installing；
The lifting of vertical section buckstay lower component: vertical section buckstay lower component includes multilamellar, uses hydraulic pressure lift dress
Put and successively lift；First in zero meter of burner hearth by firm with the vertical section buckstay lower component the superiors for anchor head under hydraulic lifting apparatus
Property beam connect, on the upper strata buckstay of vertical section buckstay lower component is risen to and stops after certain altitude by hydraulic lifting apparatus
Rise, next layer of horizontal stiffness beam and perpendicular rigid beam are installed by drawing position, and boatswain chair, group are installed outside buckstay
Conjunction promotes after completing again, and method is sling vertical section buckstay lower component successively according to this；Vertical section buckstay lower component group
After conjunction, hydraulic lifting apparatus rises and rises to absolute altitude shown in drawing, installs interim suspension rod；
(2), spiral section buckstay lifting: the whole face wall of spiral section buckstay uses hydraulic lifting apparatus to lift, hydraulic pressure lift
Device is arranged on temporary support beam, and lower anchor head is directly connected with boiler steel structure crossbeam；Spiral section buckstay uses 50t crawler belt
Hydraulic lifting apparatus is coordinated to lift, when the ground floor crossbeam of spiral section buckstay is carried by hydraulic lifting apparatus in being hung in burner hearth
Stop when being raised to certain altitude hoisting, with 50T crawler crane in burner hearth by the ground floor of spiral section buckstay and second layer crossbeam
Between vertical beam level be lifted into installation site, adjust the bolt between vertical beam and crossbeam with chain block, when one layer of peace
After dress, hydraulic lifting apparatus hoists, then installs next layer, and so circulation is until whole face wall installs, and rises to drawing institute
Indicating height installs interim suspension rod；
(3), the installation of buckstay: water-cooling wall entirety piece terminates, and after terminating by inspection, installs water-cooling wall buckstay and water-cooling wall
Between connector, wouldn't connect with layer reinforcing beam corner part, buckstay connect ironware install after, with the mark on steel frame column
The corner attachments of buckstay is installed on the basis of high datum line and burner hearth centrage, then install horizontal stiffness beam expansion dead point and
The brace of more flat buckstay.
Tower-type furnace buckstay integral installation method the most according to claim 1, it is characterised in that: described temporary support beam
One end is placed on the crossbeam on boiler steel structure top, the other end is welded on water-cooling wall, whole of described spiral section buckstay
Being provided with five parallel temporary support beams on wall, two temporary support beams in left side are provided with a hydraulic pressure lift dress respectively
Putting, two the temporary support beams being arranged at right side are provided with another hydraulic lifting apparatus.
Tower-type furnace buckstay integral installation method the most according to claim 1, it is characterised in that: described hydraulic pressure lift dress
After the lower anchor head put is by being connected with self-control lifting beam, then it is connected structure with the superiors' buckstay of vertical section buckstay lower component
Become tackling system.
Tower-type furnace buckstay integral installation method the most according to claim 1, it is characterised in that: described vertical section rigidity
In beam lower component lifting anabolic process, its perpendicular rigid beam is fixed with bolts with horizontal stiffness beam junction, treats water
After cold wall is in place, water-cooling wall be connected with buckstay after again by disassembling bolts.
Tower-type furnace buckstay integral installation method the most according to claim 1, it is characterised in that: described vertical section water-cooled
Wall buckstay and spiral section buckstay divide equally four sides wall, and the lifting sequence of described spiral section buckstay four sides wall is followed successively by: left
Wall spiral section water-cooling wall buckstay, front wall spiral section water-cooling wall buckstay, right wall spiral section water-cooling wall buckstay and rear wall spiral
Section water-cooling wall buckstay.
Tower-type furnace buckstay integral installation method the most according to claim 1, it is characterised in that: described the superiors' rigidity
The determination of beam absolute altitude and the installation site of boatswain chair draw elevation line on the basis of 1 meter of elevation line of steelframe head tree on alignment, as
The benchmark of four sides wall top layer buckstay elevation line, marks four sides wall top layer buckstay center elevation line respectively, and carries out permanent
Visible marking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792842.4A CN106287645A (en) | 2016-08-30 | 2016-08-30 | Tower-type furnace buckstay integral installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792842.4A CN106287645A (en) | 2016-08-30 | 2016-08-30 | Tower-type furnace buckstay integral installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106287645A true CN106287645A (en) | 2017-01-04 |
Family
ID=57673077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610792842.4A Pending CN106287645A (en) | 2016-08-30 | 2016-08-30 | Tower-type furnace buckstay integral installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106287645A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487713A (en) * | 2017-08-01 | 2017-12-19 | 中国能源建设集团天津电力建设有限公司 | Portion's entire combination waterborne lifts by crane technique in place after a kind of π types boiler |
| CN107720580A (en) * | 2017-10-19 | 2018-02-23 | 福建省第电力建设公司 | A kind of boiler construction water-cooling wall rapid construction hanging apparatus and its method |
| CN109000261A (en) * | 2018-08-13 | 2018-12-14 | 中国电建集团河南工程有限公司 | Stoker fired grate formula garbage burning boiler construction method of installation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH086896B2 (en) * | 1989-07-24 | 1996-01-29 | 日立プラント建設株式会社 | Boiler installation work space structure |
| CN1603680A (en) * | 2003-07-31 | 2005-04-06 | 阿尔斯托姆动力锅炉有限公司 | Steam generator and assembly method |
| JP3896252B2 (en) * | 2001-02-09 | 2007-03-22 | 株式会社タクマ | Water tube boiler |
| CN201387000Y (en) * | 2008-12-30 | 2010-01-20 | 上海锅炉厂有限公司 | Connecting structure of vertical rigid beam and horizontal rigid beams in boiler |
| CN202769632U (en) * | 2012-07-16 | 2013-03-06 | 上海锅炉厂有限公司 | A boiler support structure |
| CN104296122A (en) * | 2014-11-03 | 2015-01-21 | 上海锅炉厂有限公司 | Boiler wall supporting and hanging system of variable section tower boiler |
-
2016
- 2016-08-30 CN CN201610792842.4A patent/CN106287645A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH086896B2 (en) * | 1989-07-24 | 1996-01-29 | 日立プラント建設株式会社 | Boiler installation work space structure |
| JP3896252B2 (en) * | 2001-02-09 | 2007-03-22 | 株式会社タクマ | Water tube boiler |
| CN1603680A (en) * | 2003-07-31 | 2005-04-06 | 阿尔斯托姆动力锅炉有限公司 | Steam generator and assembly method |
| CN201387000Y (en) * | 2008-12-30 | 2010-01-20 | 上海锅炉厂有限公司 | Connecting structure of vertical rigid beam and horizontal rigid beams in boiler |
| CN202769632U (en) * | 2012-07-16 | 2013-03-06 | 上海锅炉厂有限公司 | A boiler support structure |
| CN104296122A (en) * | 2014-11-03 | 2015-01-21 | 上海锅炉厂有限公司 | Boiler wall supporting and hanging system of variable section tower boiler |
Non-Patent Citations (1)
| Title |
|---|
| 中国电力建设企业协会: "《"中国电力建设工法汇编（2010年度）上册》", 31 March 2011, 中国电力出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487713A (en) * | 2017-08-01 | 2017-12-19 | 中国能源建设集团天津电力建设有限公司 | Portion's entire combination waterborne lifts by crane technique in place after a kind of π types boiler |
| CN107720580A (en) * | 2017-10-19 | 2018-02-23 | 福建省第电力建设公司 | A kind of boiler construction water-cooling wall rapid construction hanging apparatus and its method |
| CN107720580B (en) * | 2017-10-19 | 2023-09-01 | 中国电建集团福建工程有限公司 | Quick construction hoisting device and method for boiler construction water-cooled wall |
| CN109000261A (en) * | 2018-08-13 | 2018-12-14 | 中国电建集团河南工程有限公司 | Stoker fired grate formula garbage burning boiler construction method of installation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2585323C (en) | Method of installing furnace walls of a boiler | |
| CN102016202A (en) | Erection method for solar receiver and support tower | |
| CN106287645A (en) | Tower-type furnace buckstay integral installation method | |
| CN105970819A (en) | Installation construction method for steel anchor beams | |
| CN105969922A (en) | Blast furnace body preassembly technique | |
| CN109081247A (en) | A kind of hanging method of vestibule large-span steel girder | |
| CN109138452A (en) | Heavy construction bolt sphere steel pipe rack entirety fast lifting construction technology | |
| CN106276601A (en) | A kind of technique in place for fired power generating unit π formula boiler furnace arch, furnace nose integral lifting | |
| CN106544959B (en) | The construction method of king-tower lifting segment and bridge main tower saddle containing saddle | |
| CN106121040A (en) | A kind of welding lattice column device and welding method | |
| CN109132843B (en) | The installation method of super-section metal bellows in a kind of vertical shaft | |
| CN109778885A (en) | A kind of double-wall steel cofferdam cross frame hanging device and method | |
| CN205369277U (en) | Support whole system of transferring in cofferdam | |
| CN105239804B (en) | Assembly and lift-erecting method of indirect air-cooling system stretching platforms | |
| CN104030176B (en) | The equalizer bar of hoisting platform truss and hanging method thereof | |
| CN110273039A (en) | A kind of blast furnace bustle pipe hoisting structure and its installation method | |
| CN210884873U (en) | Installation hanging beam and lifting device of pipeline | |
| CN102383613B (en) | Hoisting construction method for steel roof truss of main power house of power plant and special hoisting device | |
| CN107487713B (en) | integral combination hoisting and positioning process for upper part of water behind pi-shaped boiler | |
| CN106481967B (en) | A kind of installation method of rubber diaphragm gas chamber | |
| CN104032944A (en) | Suspension frame construction platform device | |
| CN205709666U (en) | A kind of jib fittable slackening device | |
| CN211141292U (en) | Special bracket for integral hoisting of air pipe | |
| CN203924659U (en) | Hanging frame type construction platform device | |
| CN209512263U (en) | A kind of horizontal main pipe modular mounting arrangement of basement air-conditioning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20170104 |