CN209362184U - A kind of processing unit for pickling exhaust gas - Google Patents

A kind of processing unit for pickling exhaust gas Download PDF

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Publication number
CN209362184U
CN209362184U CN201821915546.XU CN201821915546U CN209362184U CN 209362184 U CN209362184 U CN 209362184U CN 201821915546 U CN201821915546 U CN 201821915546U CN 209362184 U CN209362184 U CN 209362184U
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CN
China
Prior art keywords
exhaust gas
fixed
shell
pickling
processing unit
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Expired - Fee Related
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CN201821915546.XU
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Chinese (zh)
Inventor
泮春良
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ZHEJIANG CONCORD SHEET SCIENCE AND TECHNOLOGY Co Ltd
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ZHEJIANG CONCORD SHEET SCIENCE AND TECHNOLOGY Co Ltd
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Priority to CN201821915546.XU priority Critical patent/CN209362184U/en
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Publication of CN209362184U publication Critical patent/CN209362184U/en
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Abstract

The utility model relates to a kind of pickling exhaust-gas treatment fields, specially a kind of processing unit for pickling exhaust gas, including shell, it is used to support the bracket of shell, enclosure interior is successively arranged the escape pipe for being fixed on case top from top to bottom, it is installed on the spraying layer for being used to spray alkaline absorption solution of inner walls, it is installed on the reaction part of inner walls, it is fixed on the air inlet pipe of housing sidewall, it is fixed on the drain pipe of housing bottom, exhaust fan is fixed on escape pipe, reacting part includes the multiple reaction plates being set in distance along the vertical direction for being provided with uniformly distributed through-hole, liquid storage cotton is fixed between adjacent reaction plate, liquid storage cotton is porous structure.The acidic materials and impurity in pickling exhaust gas are removed by spraying alkaline absorption solution to pickling exhaust gas, keep the clean gas being discharged into atmosphere.

Description

A kind of processing unit for pickling exhaust gas
Technical field
The utility model relates to a kind of pickling exhaust-gas treatment fields, and in particular to a kind of processing dress for pickling exhaust gas It sets.
Background technique
Acid washing rolled steel refers to, so that strip is had clean and active surface, to guarantee the surface of steel produced Quality, in order to obtain such surface, to remove the iron scale on surface.The hot-strip coiled sheet of hot rolling mill production is rolling With batch, the iron scale that belt steel surface generates under the conditions of corresponding can be covered on the surface of strip securely very much On, and cover the defect of belt steel surface.From the perspective of steel rolling, if these strips with iron scale are directly sent to Cold-rolling mill goes rolling that will bring many problems: first is that being rolled under conditions of a large amount of push, can be pressed into iron scale The matrix of strip, influences the surface quality and processing performance of cold-reduced sheet, or even causes waste product;Second is that entering after iron scale is broken The emulsion system of cooling and lubricating roll can damage recycle unit, shorten the service life of emulsion;Third is that having damaged surface light Cleanliness and machining accuracy is all very high and expensive cold roll.Therefore, strip is before cold rolling, it is necessary to remove its Surface Oxygen Change iron sheet, to guarantee the surface quality of cold-strip steel produced.
Steel enter in acid dip pickle, and iron scale and acid solution generate chemical reaction, clear up steel surface iron oxide While skin, a large amount of sour gas can be generated, are such as directly discharged in air, it will pollution air, for this purpose, it is necessary to design A kind of pickling emission-control equipment carries out purified treatment to the exhaust gas, to protect environment.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of processing for pickling exhaust gas Device can neutralize the acidic materials of pickling exhaust gas by alkaline absorption solution at spray and pickling waste gas reaction so that arrange to It is clean gas in atmosphere.
To achieve the above object, the utility model provides following technical solution:
A kind of processing unit for pickling exhaust gas, including shell, be used to support the bracket of shell, enclosure interior on to Under be successively arranged be fixed on the escape pipe of case top, be installed on inner walls for spray alkaline absorption solution spraying layer, It is installed on the reaction part of inner walls, the air inlet pipe of housing sidewall is fixed on, is fixed on the drain pipe of housing bottom, on escape pipe It is fixed with exhaust fan, reaction part includes the multiple reaction plates being set in distance along the vertical direction for being provided with uniformly distributed through-hole, adjacent Liquid storage cotton is fixed between reaction plate, liquid storage cotton is porous structure.
By using above-mentioned technical proposal, tapping valve is closed, pickling exhaust gas enters shell from air inlet pipe, and makees in exhaust fan Under, the through-hole of reaction plate is moved upwardly through.Spraying layer spray alkaline absorption solution and pickling exhaust gas in acidic materials into Row gas-liquid contact absorption neutralization reaction sprays the alkaline absorption solution to get off and falls in liquid storage cotton first, and has in liquid storage cotton One holding process, at this moment pickling exhaust gas from below is entered in the gap of liquid storage cotton by through-hole, and in liquid storage cotton In sufficiently combined with alkaline absorption solution, thus effectively improve pickling exhaust gas and alkaline absorption solution contact path and contact area, Improve desulfuration efficiency.Clean gas after removing acidic materials crosses exhaust fan and detaches shell from escape pipe and be discharged into atmosphere.Together When pickling exhaust gas in dust particles and alkaline absorption solution drop between inertial collision, interception, diffusion, cohesion and gravity occurs The effects of sedimentation, makes dust be captured.Acidic materials, dust and the other pollutions that alkaline absorption solution is absorbed from pickling exhaust gas The dirty solution become after object is deposited in shell lower end.When clearing up shell, tapping valve is opened, shell is discharged from drain pipe in dirty solution Body.
The utility model is further arranged to: the through-hole on adjacent reaction plate is in be staggered.
By using above-mentioned technical proposal, since the through-hole on adjacent reaction plate is staggered, so that pickling exhaust gas passes through The through-hole of different location, under unit height, the travelling route of the horizontal direction of pickling exhaust gas, improves pickling exhaust gas and alkalinity is inhaled The reaction time for receiving liquid, so that pickling exhaust gas is sufficiently reacted with alkaline absorption solution.
The utility model is further arranged to: the radius of through-hole becomes larger with pickling exhaust gas flow direction.
By using above-mentioned technical proposal, the continuity equation of the incompressible fluid obtained according to the conservation of mass leads to The flow crossed in pipe on any one passage section is equal, but one timing of flow, the flow area and stream on any passage section Rapid-result inverse ratio.When gas passes through the through-hole of reaction plate, since flow area becomes smaller, so the flow velocity of gas is accelerated.Due to logical Hole becomes larger with pickling exhaust gas flow direction, then, the flowing velocity of pickling exhaust gas becomes smaller, can sufficiently with alkaline absorption solution Reaction.
The utility model is further arranged to: air inlet pipe is in tilt down setting towards enclosure interior one end.
By using above-mentioned technical proposal, pickling exhaust gas is allowed to enter shell with the downward angle of attack, pickling exhaust gas can be in shell Lower section obtains a buffering, improves the uniformity coefficient that pickling exhaust gas flows in the housing with this.If air inlet pipe is set in level It sets, after pickling exhaust gas enters shell, then the pickling exhaust gas flow at air inlet pipe is big, far from the pickling waste gas stream at air inlet pipe It measures small, so that pickling exhaust gas flow velocity is unevenly distributed on housing section, causes pickling exhaust gas Biased flow phenomenon, form a vortex Area, while housing section is very big, pickling exhaust gas velocity flow profile in shell is uneven, and this be unevenly distributed leads to deacidification and dedusting effect Rate reduces.
The utility model is further arranged to: spraying layer is evenly equipped with multilayer along the vertical direction, and each spraying layer includes more A spray head, spray head on two neighboring spraying layer is in being staggered.
By using above-mentioned technical proposal, staggered spray head increases the ejection area coverage of alkaline absorption solution, in turn Expand the response area between pickling exhaust gas and alkaline absorption solution, so that pickling exhaust gas is sufficiently reacted with alkaline absorption solution.And it is single The more alkaline absorption solutions of outflow, accelerate reaction speed in the time of position.
The utility model is further arranged to: the inner walls below reaction part are in tilt down towards drain pipe Setting.
By using above-mentioned technical proposal, the inner walls of setting are tilted down towards drain pipe, and dirty solution can be made suitable Inner walls flow down into drain pipe, be convenient for drain.
The utility model is further arranged to: reaction part is removably connected to inner walls.
By using above-mentioned technical proposal, acid mist gas and alkaline absorption solution reaction become dirty solution, hang on reaction part Dirty solution over time, can crystallize and become crystalline particle and through-hole is blocked.Being easy over time, which influences pickling, gives up The uniformity coefficient that gas flows in the housing deacidifies low with efficiency of dust collection so that reaction is insufficient.It, will when to clean reaction part Reaction part disassembles cleaning from shell.
The utility model is further arranged to: reaction part includes the installation for being arranged and being fixed on reaction plate and liquid storage cotton Set, installation set upper side are equipped with two connecting ropes being symmetrical set, and shell includes the upper cover for being equipped with spraying layer and upper cover can The lower case of dismantling connection, installation set is slidably connected to lower case inner wall along the vertical direction, under two connecting rope other ends stretch out Shell is detachably connected with lower case outer wall respectively, and lower case upper end edge is circumferentially fixed lower convexity, is provided on lower convexity for even What splicing was pierced by runs through slot.
Upper cover and lower case are separated, by connecting rope under by using above-mentioned technical proposal when to clean reaction part Shell disassembles.It is pulled upwardly the one end of connecting rope far from installation set, installation set rises to lower casing with the raising of connecting rope At the top of body, lower case is left later.Reaction part is moved at cleaning by operator again, cleaning reaction part.
The utility model is further arranged to: installation set outer wall is fixed with slide protrusion, and lower case inner wall is provided with sliding Groove, sliding recess upper end opening, slide protrusion is embedded and is slidably connected to sliding recess along the vertical direction.
By using above-mentioned technical proposal, slide protrusion slides along the vertical direction in sliding recess, so that convex with sliding It is vertically moving to play fixed installation set.When the installation reaction part into shell, connecting rope is installed in installation set, is turned Turn axis moves down installation set, and when slide protrusion is abutted with the slot bottom of sliding recess, reaction part no longer declines.
The utility model is further arranged to: connecting rope is fixed with locking level, lower casing side far from one end of installation set Wall is fixed with the locking projections for being provided with lock hole, and locking pole length is greater than locking bore dia.
By using above-mentioned technical proposal, after locking level is horizontally passed through lock hole, lock lever, due to lock Fixed pole length is greater than locking bore dia, so locking level is stuck on the end face of locking projections.When by connecting rope from lower case When removing, lock lever, so that locking level is exited from lock hole.In this way, connecting rope is removably connected to shell.
The utility model has the advantage that
1, the acidic materials and impurity in pickling exhaust gas are removed by spraying alkaline absorption solution to pickling exhaust gas;
It 2, is in two to be staggered by setting liquid storage cotton, in through-hole, the spray head on adjacent two reaction plate being staggered Layer spraying layer, so that acid-base neutralization reaction sufficiently carries out, so that the acidic materials in pickling exhaust gas are sufficiently removed.
3, reaction part is removably connected to lower case, and reaction part can often take off cleaning.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model, to show housing interior structure;
Fig. 2 is the cross-sectional view at the utility model lower convexity and connecting rope.
Appended drawing reference: 1, shell;11, upper cover;111, upper protrusion;12, lower case;121, lower convexity;13, bolt;2, go out Tracheae;3, spraying layer;31, spray head;4, part is reacted;41, through-hole;42, reaction plate;43, liquid storage cotton;44, installation set;441, it connects Rope;442, slide protrusion;443, sliding recess;444, run through slot;445, locking level;446, locking projections;447, lock hole;5, Air inlet pipe;6, drain pipe;7, tapping valve;8, exhaust fan.
Specific embodiment
The utility model is described further referring to attached drawing.
As shown in Figure 1, a kind of processing unit for pickling exhaust gas, including shell 1, shell 1 include upper cover 11 and upper cover 11 lower cases 12 being detachably connected.Escape pipe 2 is fixed at the top of upper cover 11,11 middle part inner wall of upper cover is fixed with for spraying alkali The spraying layer 3 of property absorbing liquid, 11 lower end of upper cover is fixed with circumferentially arranged upper raised 111.12 upper end of lower case is fixed with edge The lower convexity 121 being circumferentially arranged, 12 side wall of lower case are fixed with air inlet pipe 5, and 12 bottom of lower case is fixed with drain pipe 6, drain Tapping valve 7 is installed on pipe 6, exhaust fan 8 is fixed on escape pipe 2.
Pickling exhaust gas enters shell 1 from air inlet pipe 5, closes tapping valve 7, the alkaline absorption solution and pickling that spraying layer 3 sprays Acidic materials in exhaust gas carry out gas-liquid contact absorption neutralization reaction, and the clean gas after removing acidic materials passes through exhaust fan 8 Shell 1 is detached from escape pipe 2 and is discharged into atmosphere.Acidic materials that alkaline absorption solution is absorbed from pickling exhaust gas, dust and The dirty solution become after other pollutants is stored in 1 lower end of shell.When clearing up shell 1, tapping valve 7 is opened, dirty solution is from drain Shell 1 is discharged in pipe 6.
Upper raised 111 and lower convexity 121 on be equipped with the bolt 13 being threadedly coupled respectively with them.In this way, upper cover 11 can Dismantling connection is in lower case 12.It is in tilt down setting that 12 lower end of lower case, which is in towards 6 one end of drain pipe,.Air inlet pipe 5 is under 12 inside one end of shell is in tilt down setting.Spraying layer 3 is evenly equipped with multilayer along the vertical direction, and each spraying layer 3 includes multiple Spray head 31, spray head 31 on two neighboring spraying layer 3 is in being staggered.12 lower end of lower case be in towards 6 one end of drain pipe be in Under be obliquely installed, dirty solution can be made to flow down into drain pipe 6 along 1 inner wall of shell, be convenient for drain.Air inlet pipe 5 is under 12 inside one end of shell can allow pickling exhaust gas to enter shell 1 with the downward angle of attack in tilting down setting, and pickling exhaust gas can be A buffering is obtained below shell 1, and the uniformity coefficient that pickling exhaust gas flows within the case 1 is improved with this.
Reaction part 4 is installed, reaction part 4 includes the edge for being provided with uniformly distributed through-hole 41 in the lower case 12 of 5 top of air inlet pipe Multiple reaction plates 42 that vertical direction is set in distance, are arranged and fix the liquid storage cotton 43 being fixed between adjacent reaction plate 42 In the installation set 44 of reaction plate 42 and liquid storage cotton 43, liquid storage cotton 43 is porous structure.Due to the through-hole 41 on adjacent reaction plate 42 It is staggered, so that pickling exhaust gas passes through the through-hole 41 of different location, under unit height, the row of the horizontal direction of pickling exhaust gas Route line improves the reaction time of pickling exhaust gas and alkaline absorption solution, so that pickling exhaust gas is sufficiently reacted with alkaline absorption solution.By Become larger in the radius of through-hole 41 with pickling exhaust gas flow direction, then, the flowing velocity of pickling exhaust gas becomes smaller, can sufficiently with The reaction of alkaline absorption solution.Staggered spray head 31 increases the ejection area coverage of alkaline absorption solution, and then it is useless to expand pickling Response area between gas and alkaline absorption solution, so that pickling exhaust gas is sufficiently reacted with alkaline absorption solution.And stream in the unit time More alkaline absorption solutions out, accelerate reaction speed.
44 upper end of installation set is equipped with two connecting ropes 441 being symmetrical set.It is convex that 44 outer wall of installation set is fixed with sliding 442 are played, 12 inner wall of lower case is provided with sliding recess 443,443 upper end opening of sliding recess, and slide protrusion 442 embeds and along vertical Direction is slidably connected to sliding recess 443.In this way, installation set 44 is slidably connected to 12 inner wall of lower case along the vertical direction.Such as Fig. 2 It is shown, it is provided on lower convexity 121 and runs through slot 444 for what connecting rope 441 was pierced by.As shown in Figure 1, connecting rope 441 is far from installation set 44 one end is fixed with locking level 445, and 12 side wall of lower case is fixed with the locking projections 446 for being provided with lock hole 447, locking level 445 length are greater than 447 diameter of lock hole.441 other end of such two connecting ropes stretches out lower case 12 respectively and outside lower case 12 Wall is detachably connected.
After locking level 445 is horizontally passed through lock hole 447, lock lever 445, due to 445 length of locking level Greater than 447 diameter of lock hole, so locking level 445 is stuck on the end face of locking projections 446.In this way, connecting rope 441 is mounted on On 12 outer wall of lower case.When to clean reaction part 4, bolt 13 is screwed out from upper raised 111 and lower convexity 121, by upper cover 11 and lower case 12 separate.Lock lever 445, locking level 445 are pierced by from lock hole 447, then, connecting rope 441 is from lower case It is disassembled on 12.Be pulled upwardly the one end of connecting rope 441 far from installation set 44, installation set 44 with the raising of connecting rope 441 and 12 top of lower case is risen to, leaves lower case 12 later.Reaction part 4 is moved at cleaning by operator again, cleaning reaction Part 4.
Working principle: closing tapping valve 7, and pickling exhaust gas enters shell 1 from air inlet pipe 5, under the effect of exhaust fan 8, upwards Across 42 through-hole 41 of reaction plate.The acidic materials in alkaline absorption solution and pickling exhaust gas that spraying layer 3 sprays carry out gas-liquid contact Neutralization reaction is absorbed, the clean gas after removing acidic materials detaches shell 1 from escape pipe 2 and be discharged into atmosphere by exhaust fan 8 In.Alkaline absorption solution becomes dirty solution after the acidic materials, dust and other pollutants absorbed in pickling exhaust gas, in shell The storage of 1 lower end.When clearing up shell 1, tapping valve 7 is opened, shell 1 is discharged from drain pipe 6 in dirty solution.When cleaning reaction part 4, Upper cover 11 and lower case 12 are separated, connecting rope 441 is disassembled from lower case 12, pulls up connecting rope 441, so that reaction Plate 42 leaves lower case 12 from 12 upper end of lower case.Reaction part 4 is placed into specified cleaning positions by mobile connection rope 441 again It is cleaned.All objects directly contacted with pickling exhaust gas are all resistant material.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of processing unit for pickling exhaust gas, including shell (1), shell (1) is internal to be successively arranged fixation from top to bottom Escape pipe (2) at the top of shell (1), the spraying layer (3) for spraying alkaline absorption solution for being installed on shell (1) inner wall, peace Reaction part (4) loaded on shell (1) inner wall is fixed on the air inlet pipe (5) of shell (1) side wall, is fixed on the row of shell (1) bottom end Liquid pipe (6) is fixed with tapping valve (7) on drain pipe (6), is fixed on escape pipe (2) exhaust fan (8), and reaction part (4) includes opening There are the multiple reaction plates (42) of uniformly distributed through-hole (41) being set in distance along the vertical direction, is fixed between adjacent reaction plate (42) Have liquid storage cotton (43), liquid storage cotton (43) is porous structure.
2. a kind of processing unit for pickling exhaust gas according to claim 1, it is characterized in that: the adjacent reaction plate (42) through-hole (41) on is in be staggered.
3. a kind of processing unit for pickling exhaust gas according to claim 1, it is characterized in that: the half of the through-hole (41) Diameter becomes larger with pickling exhaust gas flow direction.
4. a kind of processing unit for pickling exhaust gas according to claim 1, it is characterized in that: the air inlet pipe (5) court It is in tilt down setting to the internal one end of shell (1).
5. a kind of processing unit for pickling exhaust gas according to claim 1, it is characterized in that: the spraying layer (3) edge Vertical direction is evenly equipped with multilayer, and each spraying layer (3) includes multiple spray heads (31), the spray head on two neighboring spraying layer (3) It (31) is in be staggered.
6. a kind of processing unit for pickling exhaust gas according to claim 1, it is characterized in that: being located at the reaction part (4) shell (1) inner wall below is in tilt down setting towards drain pipe (6).
7. a kind of processing unit for pickling exhaust gas according to claim 1, it is characterized in that: the reaction part (4) can Dismantling connection is in shell (1) inner wall.
8. a kind of processing unit for pickling exhaust gas according to claim 7, it is characterized in that: the reaction part (4) is wrapped The installation set (44) for being arranged and being fixed on reaction plate (42) and liquid storage cotton (43) is included, it is in symmetrically to set that installation set (44) upper end, which is equipped with, Two connecting ropes (441) set, shell (1) is including being equipped with the upper cover (11) of spraying layer (3), being detachably connected with upper cover (11) Lower case (12), installation set (44) is slidably connected to lower case (12) inner wall along the vertical direction, and two connecting ropes (441) are another End stretch out lower case (12) be detachably connected respectively with lower case (12) outer wall, lower case (12) upper end edge is circumferentially fixed have under it is convex It rises (121), is provided on lower convexity (121) and runs through slot (444) for what connecting rope (441) was pierced by.
9. a kind of processing unit for pickling exhaust gas according to claim 8, it is characterized in that: the installation set (44) is outside Wall is fixed with slide protrusion (442), and lower case (12) inner wall is provided with sliding recess (443), sliding recess (443) upper end opening, Slide protrusion (442) is embedded and is slidably connected to sliding recess (443) along the vertical direction.
10. a kind of processing unit for pickling exhaust gas according to claim 8, it is characterized in that: the connecting rope (441) One end far from installation set (44) is fixed with locking level (445), and lower case (12) side wall is fixed with the lock for being provided with lock hole (447) Fixed protrusion (446), locking level (445) length are greater than lock hole (447) diameter.
CN201821915546.XU 2018-11-20 2018-11-20 A kind of processing unit for pickling exhaust gas Expired - Fee Related CN209362184U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821915546.XU CN209362184U (en) 2018-11-20 2018-11-20 A kind of processing unit for pickling exhaust gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821915546.XU CN209362184U (en) 2018-11-20 2018-11-20 A kind of processing unit for pickling exhaust gas

Publications (1)

Publication Number Publication Date
CN209362184U true CN209362184U (en) 2019-09-10

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CN201821915546.XU Expired - Fee Related CN209362184U (en) 2018-11-20 2018-11-20 A kind of processing unit for pickling exhaust gas

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111085073A (en) * 2020-01-13 2020-05-01 佛山市顺德区斯高家具有限公司 Furniture preparation system with dust collector
CN112225176A (en) * 2020-10-12 2021-01-15 艾氢技术(苏州)有限公司 Solid hydrogen purification system that releases hydrogen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111085073A (en) * 2020-01-13 2020-05-01 佛山市顺德区斯高家具有限公司 Furniture preparation system with dust collector
CN112225176A (en) * 2020-10-12 2021-01-15 艾氢技术(苏州)有限公司 Solid hydrogen purification system that releases hydrogen

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Granted publication date: 20190910