CN107965042A - Rainwater slagging-off desilting device - Google Patents

Rainwater slagging-off desilting device Download PDF

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Publication number
CN107965042A
CN107965042A CN201711419068.3A CN201711419068A CN107965042A CN 107965042 A CN107965042 A CN 107965042A CN 201711419068 A CN201711419068 A CN 201711419068A CN 107965042 A CN107965042 A CN 107965042A
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CN
China
Prior art keywords
room
discharge outlet
hole
sand setting
swirl cylinder
Prior art date
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Pending
Application number
CN201711419068.3A
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Chinese (zh)
Inventor
李楠
刘雪飞
范伟
梁思懿
饶雪峰
李�杰
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.)
MCC Capital Engineering and Research Incorporation Ltd
Zhongye Jingcheng Engineering Technology Co Ltd
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Zhongye Jingcheng Engineering Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Zhongye Jingcheng Engineering Technology Co Ltd filed Critical Zhongye Jingcheng Engineering Technology Co Ltd
Priority to CN201711419068.3A priority Critical patent/CN107965042A/en
Publication of CN107965042A publication Critical patent/CN107965042A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/14Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)

Abstract

The present invention provides a kind of rainwater slagging-off desilting device, including swirl cylinder, scum silica frost retention room, perpendicular stream sand setting room and the balanced water-supplying chamber for setting gradually and connecting, swirl cylinder is vertically set, swirl cylinder is provided with inlet ductwork and the first discharge outlet, inlet ductwork is positioned vertically higher than the first discharge outlet, inlet ductwork is tangentially-arranged along swirl cylinder and is connected with eddy flow tube inner chamber, and the first discharge outlet is arranged on the barrel of swirl cylinder, and the first discharge outlet is connected with scum silica frost retention room;The connection wall bottom that scum silica frost is retained between room and perpendicular stream sand setting room offers the second through hole;Third through-hole is offered in the middle part of connection wall between perpendicular stream sand setting room and balanced water-supplying chamber;The balanced water-supplying chamber lower sidewall opposite with perpendicular stream sand setting room is provided with discharge pipe line.The beneficial effects of the invention are as follows:The energy is not consumed, Maintenance and Repair are convenient;Treatment effeciency is high, and the initial rainwater available for big drainage area scope is handled.

Description

Rainwater slagging-off desilting device
Technical field
The present invention relates to device for treating rain water field, is specifically a kind of rainwater slagging-off desilting device.
Background technology
Initial rainwater pollution is primarily referred to as initial period in rainfall, and raindrop wash away urban road, all kinds of through eluting air After building, discarded object etc., carry various pollutants matter (such as nitrogen oxides, organic matter and pathogen) and enter surface water And underground water, the pollution of city river, water head site is aggravated, so as to influence the sustainable use of city water resource.In current city While point-source pollution is progressively controlled and administered, since the continuous of impermeable surface increases in city, cause by rainwater Non-point pollution caused by runoff, that is, urban ground initial rainwater pollution becomes increasingly conspicuous.The pollution level of urban ground initial rainwater It is higher, the pollutants such as substantial amounts of suspended solid, organic matter, heavy metal, grease, pathogen, these pollutions are contained in initial rainwater Mainly there are pollutant, roof building material and the city sewage etc. that concrete road rubbish, automobile produce in the source of thing.If no Initial rainwater is handled, is directly discharged into urban water-body, it will bears to urban water-body such as river, lake or naturally water Body causes very serious pollution.
Correlative study shows, as the characteristic feature pollutant in initial rainwater, the presence pair of suspended solid silt (SS) There is considerable influence in other dissolubility pollutant concentration.Sediment by rotational flow technology cuts down controlling party as a kind of efficient silt Method, is widely used in storm sewer and confluence of rainwater and sewage pipeline silt sedimentation, and develops a variety of commercialization eddy flows Separator.Domestic existing urban discharging pipeline sediment by rotational flow technology generally existing is necessarily insufficient, and operational management inconvenience, eddy flow sinks Or sand device needs impeller or agitating paddle, or equipped with filter plants such as filter screens, or needing dredging of manually going into the well, and arrange The solid ingredients of waterpipe current carrying are complicated and amount is big, and easy generation agitating paddle is wound by fibrous object, filter plant It is blocked, the difficulty in the operational management such as dredging workload of manually going into the well is heavy.Mechanical agitation is consumed compared with multiple-energy-source, and rainfall is not Uniformly cause mechanical paddle board work off and on, the intermittent operating energy consumption of driving motor is big and accident easily occurs.Prefabricated eddy flow For sand setting equipment because being limited by volume, disposal ability is smaller, is generally less than 700L/s, is only limitted to cell range, can not be applied to city The initial rainwater of political affairs large watershed scope cuts dirty processing.
The content of the invention
The present invention provides a kind of rainwater slagging-off desilting device, to reach saving energy consumption, the purpose of large watershed scope is applicable in.
The technical solution adopted by the present invention to solve the technical problems is:A kind of rainwater slagging-off desilting device, including successively Set and the swirl cylinder of connection, scum silica frost retention room, perpendicular stream sand setting room and balanced water-supplying chamber, swirl cylinder are vertically set, revolve Flow cartridge is provided with inlet ductwork and the first discharge outlet, and inlet ductwork is positioned vertically higher than the first discharge outlet, inlet ductwork edge Swirl cylinder is tangentially-arranged and is connected with eddy flow tube inner chamber, and the first discharge outlet is arranged on the barrel of swirl cylinder, the first discharge outlet with Scum silica frost retention room connection;The connection wall bottom that scum silica frost is retained between room and perpendicular stream sand setting room offers the second through hole;Perpendicular stream sand setting Third through-hole is offered in the middle part of connection wall between room and balanced water-supplying chamber;The balanced water-supplying chamber side wall opposite with perpendicular stream sand setting room Lower part is provided with discharge pipe line.
Further, correspondence offers the second discharge outlet on the barrel of swirl cylinder, and the second discharge outlet is located at the first discharge outlet The top of vertical direction, and the second discharge outlet is connected with scum silica frost retention room.
Further, the area of the first discharge outlet is less than the area of the second discharge outlet.
Further, erect and fifth hole is further opened with the connection wall between stream sand setting room and balanced water-supplying chamber, the 5th is logical Hole is located at the top of third through-hole vertical direction.
Further, the area of fifth hole is more than the area of third through-hole.
Further, the first soil cleaning port is provided with the top of sediment by rotational flow room.
Further, it is provided with the second soil cleaning port at the top of scum silica frost retention room.
Further, erect and be provided with the 3rd soil cleaning port at the top of stream sand setting room.
Further, the 4th soil cleaning port is provided with the top of balanced water-supplying chamber.
The beneficial effects of the invention are as follows:
Sediment by rotational flow room and scum silica frost retention room, erect stream sand setting room synergy, improve to initial rainwater slagging-off sand setting Effect;
The energy is not consumed, Maintenance and Repair are convenient;
Mode of construction is flexible, can select prefabricated or cast in situs according to processing water;
Floor space is small, and treatment effeciency is high;
Equipped with high flow capacity passage, there is preferable treatment effect for big peak flow rainwater, available for big drainage area model The initial rainwater processing enclosed.
Brief description of the drawings
The accompanying drawings which form a part of this application are used for providing a further understanding of the present invention, and of the invention shows Meaning property embodiment and its explanation are used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the overlooking the structure diagram of the embodiment of the present invention;
Fig. 2 is A-A sectional views in Fig. 1;
Fig. 3 is B-B sectional views in Fig. 1;
Fig. 4 is C-C sectional views in Fig. 1;
Fig. 5 is D-D sectional views in Fig. 1;
Fig. 6 is the structure diagram of swirl cylinder in the embodiment of the present invention.
Reference numeral in figure:10th, sediment by rotational flow room;11st, the first soil cleaning port;20th, scum silica frost retention room;21st, the second soil cleaning port; 30th, stream sand setting room is erected;31st, the 3rd soil cleaning port;40th, balanced water-supplying chamber;41st, the 4th soil cleaning port;42nd, discharge pipe line;50th, eddy flow Cylinder;51st, inlet ductwork;52nd, the first discharge outlet;53rd, the second discharge outlet;61st, first through hole;62nd, the second through hole;63rd, threeway Hole;64th, fourth hole;65th, fifth hole.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase Mutually combination.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
As shown in Figures 1 to 6, an embodiment of the present invention provides a kind of rainwater remove the gred desilting device, including set gradually and Swirl cylinder 50, the scum silica frost of connection retain room 20, perpendicular stream sand setting room 30 and balanced water-supplying chamber 40, swirl cylinder 50 and vertically set Put, swirl cylinder 50 is provided with 51 and first discharge outlet 52 of inlet ductwork, and inlet ductwork 51 is positioned vertically higher than the first draining Mouth 52, inlet ductwork 51 is tangentially-arranged along swirl cylinder 50 and is connected with 50 inner cavity of swirl cylinder, and the first discharge outlet 52 is arranged on eddy flow On the barrel of cylinder 50, the first discharge outlet 52 is connected with scum silica frost retention room 20;Scum silica frost is retained between room 20 and perpendicular stream sand setting room 30 Connection wall bottom offers the second through hole 62;Connection wall middle part between perpendicular stream sand setting room 30 and balanced water-supplying chamber 40 offers the Three through holes 63;Balanced water-supplying chamber 40 lower sidewall opposite with perpendicular stream sand setting room 30 is provided with discharge pipe line 42.
, wherein it is desired to explanation, Fig. 1 is overlooking the structure diagram, when along vertical paper direction being normal use by On in downward direction.Direction from top to bottom when direction is normal use from left to right along paper in Fig. 2.
The embodiment of the present invention forms level pressure using the water-head of 51 and first discharge outlet 52 of inlet ductwork, makes whole rain Water slagging-off desilting device need not set any mechanical agitation component to carry out swirling motion slagging-off sand setting, due to being not provided with Mechanical stirring device, thus the embodiment of the present invention have the advantages that relative to the prior art it is energy saving.
Meanwhile the swirl cylinder 50 by setting gradually and connecting, scum silica frost retention room 20, perpendicular stream sand setting room 30 and balanced water outlet Room 40, can effectively lift slagging-off deposit efficiency and pollutants removal rate.The embodiment of the present invention is for more than 100 μm pollutants Removal rate is up to more than 80%.
Rainwater slagging-off desilting device further includes sediment by rotational flow room 10, and swirl cylinder 50 is arranged in sediment by rotational flow room 10, eddy flow First through hole 61 and fourth hole 64 are provided with connection wall between sand setting room 10 and scum silica frost retention room 20.First discharge outlet 52 It is corresponding with fourth hole 64 with 61 position correspondence of first through hole, the second discharge outlet 53.Above-mentioned first discharge outlet in rainwater is handled 52 can connect with first through hole 61, and the second discharge outlet 53 can be connected with fourth hole 64, and rainwater can pass through above-mentioned first Through hole 61 and fourth hole 64 (being used during rainfall peak value) import scum silica frost retention room 20.
In one embodiment, the first discharge outlet 52 and 61 position correspondence of first through hole but interval setting, the second discharge outlet 53 with 64 position correspondence of fourth hole but interval setting, further sunk through sediment by rotational flow room 10 by the rainwater flowed out in swirl cylinder 50 Behind shallow lake, scum silica frost retention room 20 is imported by first through hole 61 and fourth hole 64 (being used during rainfall peak value).
In another embodiment, connection wall and the cylinder of swirl cylinder 50 between sediment by rotational flow room 10 and scum silica frost retention room 20 Wall shape is adapted, above-mentioned first discharge outlet 52 and 61 palette of first through hole, above-mentioned second discharge outlet 53 and fourth hole 64 palettes.
Specifically, when non-rainfall peak value carries out pollutant removal operation, rainwater is imported by inlet ductwork 51, utilizes rotation The cyclonic action of flow cartridge 50, density are more than the suspended solids such as the silt of water and are pushed to periphery, and bottom is fallen into along the barrel of swirl cylinder 50 Portion's sand setting storage area;Density is less than the scum silica frost of water, as pop can and the empty rubbish such as water bottle, grease are pushed to central area, floats on On the water surface of central area.Wherein Fig. 1 directions of arrow into Fig. 6 are water (flow) direction.
The diameter of swirl cylinder is according to formulaDetermine, wherein D is swirl cylinder diameter (m), and Q is rainwater peak value Flow (m3/ s), π 3.14, q are design waterpower surface loading (m3/m2·s).The available depth of swirl cylinderWherein H is swirl cylinder available depth (m), and t is swirl cylinder hydraulic detention time (s), remaining symbol is same as above.Waterpower during peak flow is stopped The time is stayed to be at least 30s.
Rainwater is tentatively cleaned in swirl cylinder, forms half net rainfall water (containing part sand setting and scum silica frost), half net rainfall Water is entered in scum silica frost retention room 20 by the first discharge outlet 52.Since scum silica frost retains the connection between room 20 and perpendicular stream sand setting room 30 Wall bottom opens up the second through hole 62, and the density ratio water of above-mentioned scum silica frost is light, therefore can swim on the water surface, and the second through hole 62 is located at Bottom position, so scum silica frost can be filtered retains room 20 in scum silica frost.
Rainwater into perpendicular stream sand setting room 30 carries part sand setting, since sand setting density is larger, can be deposited on perpendicular stream sand setting The bottom of room 30, and third through-hole 63 is opened in the middle part of the connection wall between perpendicular stream sand setting room 30 and balanced water-supplying chamber 40, therefore The part sand setting in rainwater is trapped within perpendicular stream sand setting room 30, and clean rainwater can be entered in balanced water-supplying chamber 40, Exported to rainwater storage tank or access Manual moist and be located in by discharge pipe line 42 after balanced water quality and water in balanced water-supplying chamber 40 Reason system.Third through-hole 63 is vertically to perpendicular stream sand setting room of the depth at least above 1/3 times of perpendicular 30 bottom of stream sand setting room Length in 30 parallel water (flow) directions.
Preferably, correspondence offers the second discharge outlet 53 on the barrel of swirl cylinder 50, and the second discharge outlet 53 is located at first row The top of the mouth of a river 52, sediment by rotational flow room 10 and scum silica frost retain and are further opened with fourth hole 64, four-way in the connection wall between room 20 Hole 64 is located at the top of first through hole 61.Second discharge outlet 53 and 64 position correspondence of fourth hole.First discharge outlet 52 and first is logical The shapes and sizes in hole 61 are identical, and the second discharge outlet 53 is identical with the shapes and sizes of fourth hole 64, and the first discharge outlet 52 area is less than the area of the second discharge outlet 53.
Second discharge outlet 53 and fourth hole 64 are set, it is therefore an objective to are used as high flow capacity passage.I.e. during the rainfall, If the rainfall of certain period is excessive, the rainwater higher than designed capacity is drained by high flow capacity passage, reduces sediment by rotational flow room 10 Water body turbulent flow, prevents interference of the flowed fluctuation to sand setting slag removal.
Further, erect and be further opened with fifth hole 65 in the connection wall between stream sand setting room 30 and balanced water-supplying chamber 40, Fifth hole 65 is located at the top of 63 vertical direction of third through-hole.The area of fifth hole 65 is more than the area of third through-hole 63. The fifth hole 65 also serves as the use of high flow capacity passage, is no longer repeated herein.
It should be noted that the fifth hole 65 builds up the form of rectangular weir, its overflow discharge capacity according toDetermine, wherein A is the discharge capacity (m of rectangular weir3/ s), b is wide (m) for weir, and g is acceleration of gravity, and H is Weir headwater depth (m), m are correction factor, value 0.4-0.6.Rectangular weir can realize that overflow capability is larger compared with low water level overflow, drop Interference of the current of low overflow to 63 water outlet current of third through-hole.
The top of sediment by rotational flow room 10 is provided with the first soil cleaning port 11.The top of scum silica frost retention room 20 is provided with second and removes contamination Mouth 21.The top of perpendicular stream sand setting room 30 is provided with the 3rd soil cleaning port 31.The top of balanced water-supplying chamber 40 is provided with the 4th soil cleaning port 41.Municipal administration suction-type sewer scavenger can be by above-mentioned soil cleaning port suction foot deposit and surface scum during dry season, and cycle of removing is 3~6 A month.
The embodiment of the present invention can carry out prefabricated when handling water smaller (being less than 700L/S);When processing water is larger (big In 700L/S) when, can scene build by laying bricks or stones, therefore the embodiment of the present invention has processing flow in extensive range, builds flexible excellent Point.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect:
1st, sediment by rotational flow room and scum silica frost retention room, erect stream sand setting room synergy, improve the sand setting that removes the gred to initial rainwater Effect;
2nd, the energy is not consumed, Maintenance and Repair are convenient;
3rd, mode of construction is flexible, can select prefabricated or cast in situs according to processing water;
4th, floor space is small, and treatment effeciency is high;
5th, equipped with high flow capacity passage, there is preferable treatment effect for big peak flow rainwater, available for big drainage area The initial rainwater processing of scope.
The above, is only the specific embodiment of the present invention, it is impossible to the scope implemented with its restriction invention, so it is equivalent The displacement of component, or the equivalent variations made according to scope of patent protection of the present invention and modification, should all still fall within what this patent was covered Category.In addition, between technical characteristic and technical characteristic in the present invention, between technical characteristic and technical solution, technical solution with Use can be freely combined between technical solution.

Claims (9)

  1. The desilting device 1. a kind of rainwater removes the gred, it is characterised in that swirl cylinder (50), scum silica frost including setting gradually and connecting retain Room (20), perpendicular stream sand setting room (30) and balanced water-supplying chamber (40),
    Swirl cylinder (50) is vertically set, and swirl cylinder (50) is provided with inlet ductwork (51) and the first discharge outlet (52), into Mouthful pipeline (51) is positioned vertically higher than the first discharge outlet (52), inlet ductwork (51) it is tangentially-arranged along swirl cylinder (50) and with Swirl cylinder (50) inner cavity connects, and the first discharge outlet (52) is arranged on the barrel of swirl cylinder (50), and the first discharge outlet (52) is with floating Slag retention room (20) connection;
    The connection wall bottom that scum silica frost is retained between room (20) and perpendicular stream sand setting room (30) offers the second through hole (62);
    Third through-hole (63) is offered in the middle part of connection wall between perpendicular stream sand setting room (30) and balanced water-supplying chamber (40);
    Balanced water-supplying chamber (40) lower sidewall opposite with perpendicular stream sand setting room (30) is provided with discharge pipe line (42).
  2. The desilting device 2. rainwater according to claim 1 removes the gred, it is characterised in that
    The second discharge outlet (53) is offered on the barrel of swirl cylinder (50), it is perpendicular that the second discharge outlet (53) is located at the first discharge outlet (52) Nogata to top, and the second discharge outlet (53) and scum silica frost retention room (20) connect.
  3. The desilting device 3. rainwater according to claim 2 removes the gred, it is characterised in that the area of the first discharge outlet (52) is less than The area of second discharge outlet (53).
  4. The desilting device 4. rainwater according to claim 1 removes the gred, it is characterised in that perpendicular stream sand setting room (30) and balanced water outlet Fifth hole (65) is further opened with connection wall between room (40), fifth hole (65) is located at third through-hole (63) vertical direction Top.
  5. The desilting device 5. rainwater according to claim 4 removes the gred, it is characterised in that the area of fifth hole (65) is more than the The area of three through holes (63).
  6. The desilting device 6. rainwater according to any one of claim 1 to 5 removes the gred, it is characterised in that sediment by rotational flow room (10) the first soil cleaning port (11) is provided with the top of.
  7. The desilting device 7. rainwater according to any one of claim 1 to 5 removes the gred, it is characterised in that scum silica frost retains room (20) the second soil cleaning port (21) is provided with the top of.
  8. The desilting device 8. rainwater according to any one of claim 1 to 5 removes the gred, it is characterised in that perpendicular stream sand setting room (30) the 3rd soil cleaning port (31) is provided with the top of.
  9. The desilting device 9. rainwater according to any one of claim 1 to 5 removes the gred, it is characterised in that balanced water-supplying chamber (40) the 4th soil cleaning port (41) is provided with the top of.
CN201711419068.3A 2017-12-25 2017-12-25 Rainwater slagging-off desilting device Pending CN107965042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711419068.3A CN107965042A (en) 2017-12-25 2017-12-25 Rainwater slagging-off desilting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711419068.3A CN107965042A (en) 2017-12-25 2017-12-25 Rainwater slagging-off desilting device

Publications (1)

Publication Number Publication Date
CN107965042A true CN107965042A (en) 2018-04-27

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Application Number Title Priority Date Filing Date
CN201711419068.3A Pending CN107965042A (en) 2017-12-25 2017-12-25 Rainwater slagging-off desilting device

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CN (1) CN107965042A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120075808A (en) * 2010-12-29 2012-07-09 박정규 Drain system for rainwater and polluted water
CN202594806U (en) * 2012-04-20 2012-12-12 北京建筑工程学院 Integrated purification device for particulate matters in rainwater and sewage
CN105442696A (en) * 2015-12-03 2016-03-30 武汉圣禹排水系统有限公司 Waterpower particle separating device
CN205276454U (en) * 2015-12-03 2016-06-01 武汉美华禹水环境有限公司 Water conservancy particle separation device
CN107386361A (en) * 2017-07-24 2017-11-24 北京建筑大学 A kind of rainwater purification storage device
CN207919725U (en) * 2017-12-25 2018-09-28 中冶京诚工程技术有限公司 Rainwater slagging-off desilting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120075808A (en) * 2010-12-29 2012-07-09 박정규 Drain system for rainwater and polluted water
CN202594806U (en) * 2012-04-20 2012-12-12 北京建筑工程学院 Integrated purification device for particulate matters in rainwater and sewage
CN105442696A (en) * 2015-12-03 2016-03-30 武汉圣禹排水系统有限公司 Waterpower particle separating device
CN205276454U (en) * 2015-12-03 2016-06-01 武汉美华禹水环境有限公司 Water conservancy particle separation device
CN107386361A (en) * 2017-07-24 2017-11-24 北京建筑大学 A kind of rainwater purification storage device
CN207919725U (en) * 2017-12-25 2018-09-28 中冶京诚工程技术有限公司 Rainwater slagging-off desilting device

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Application publication date: 20180427