CN110683675A - Textile printing and dyeing wastewater treatment equipment - Google Patents
Textile printing and dyeing wastewater treatment equipment Download PDFInfo
- Publication number
- CN110683675A CN110683675A CN201911012856.XA CN201911012856A CN110683675A CN 110683675 A CN110683675 A CN 110683675A CN 201911012856 A CN201911012856 A CN 201911012856A CN 110683675 A CN110683675 A CN 110683675A
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- China
- Prior art keywords
- cavity
- filter screen
- rotating shaft
- box body
- chamber
- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
Abstract
The invention relates to the field of textile equipment, and particularly discloses textile printing and dyeing wastewater treatment equipment which comprises a box body and a rotating shaft which is rotatably arranged along the central axis in the box body, wherein the top of the box body is also provided with an electric push rod for adjusting the height position of the rotating shaft in the box body; the inner chamber from the top down in the box separates into five cavities of filter chamber, stirring sedimentation chamber, transfer chamber, separation chamber and sewage chamber totally from the top down in proper order through first filter screen, second filter screen, supporting baffle and third filter screen that the box is internal fixed being provided with first filter screen, second filter screen, supporting baffle and third filter screen. The embodiment of the invention can filter fiber raw materials and the like in printing and dyeing wastewater, the waste materials are conveniently cleaned through the material stirring rod, and the filter screen is prevented from being blocked, so that the wastewater treatment device is convenient to normally use, and the filtering effect is ensured due to the filtering arrangement of the multi-stage filter screen.
Description
Technical Field
The invention relates to the field of textile equipment, in particular to textile printing and dyeing wastewater treatment equipment.
Background
The textile wastewater is mainly wastewater containing natural impurities, fat, starch and other organic matters generated in the processes of raw material cooking, rinsing, bleaching, sizing and the like, the printing and dyeing wastewater is generated in a plurality of working procedures of washing, dyeing, printing, sizing and the like, contains a large amount of dye, starch, cellulose, lignin, detergent and other organic matters, alkali, sulfide, various salts and other inorganic matters, and has strong pollution. The waste water after the textile printing and dyeing needs to be treated and can be discharged, the environment is prevented from being polluted, the waste water treatment equipment is needed, the existing treatment equipment is simple in design structure, the filtering and purifying effect is poor, and the use of inconvenient workers is realized, so that the textile printing and dyeing waste water treatment equipment is needed.
Disclosure of Invention
The invention aims to provide a textile printing and dyeing wastewater treatment device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the textile printing and dyeing wastewater treatment equipment comprises a box body and a rotating shaft which is rotatably arranged along the central axis in the box body, wherein the top of the box body is also provided with an electric push rod for adjusting the height position of the rotating shaft in the box body, and the top of the box body is also provided with a driving motor for driving the rotating shaft to rotate;
a first filter screen, a second filter screen, a supporting partition plate and a third filter screen are fixedly arranged in the box body from top to bottom in sequence, and an inner cavity in the box body is sequentially divided into five cavities, namely a filtering cavity, a stirring and precipitating cavity, a transfer cavity, a standing and separating cavity and a sewage cavity from top to bottom through the first filter screen, the second filter screen, the supporting partition plate and the third filter screen;
a first material stirring rod is arranged on the rotating shaft positioned in the filtering cavity, and a stirring part and a second material stirring rod are arranged on the rotating shaft positioned in the stirring and settling cavity; the lower inner cavity of the box body is fixedly provided with a hollow supporting rod along the central axis thereof, a liquid passage is arranged in the hollow supporting rod, a blocking block is arranged in the liquid passage in a sliding manner up and down, the top of the hollow supporting rod extends into the transfer cavity, and a rotating shaft arranged in the transfer cavity extends into the liquid passage in a penetrating and sliding manner and is connected with the blocking block in a rotating manner.
As a further scheme of the invention: the output shaft of the driving motor is in driving connection with the top end of the rotating shaft, and the driving motor is fixedly installed at the top end of the telescopic rod of the electric push rod.
As a further scheme of the invention: the top of box has and is used for to the filter chamber in throw into the waste water import of textile printing and dyeing waste water, just install in the filter chamber and be located the breaker under the waste water import carries out abundant broken handle through the breaker to the debris in the waste water.
As a further scheme of the invention: a first slag discharge pipe is communicated with one side of the bottom of the filter cavity; a second slag discharge pipe is communicated with one side of the bottom of the stirring sedimentation cavity; one side of the bottom of the standing separation cavity is communicated with a drain pipe; and a sewage discharge pipe is communicated with one side of the bottom of the sewage cavity.
As a further scheme of the invention: arrange in hollow support rod top in the transfer intracavity seted up with lead to the communicating inlet of liquid way, arrange in hollow support rod bottom in the sewage intracavity seted up with lead to the communicating liquid outlet of liquid way, the waste liquid in the transfer intracavity passes through the inlet and gets into the liquid way in back, gets into the sewage intracavity through the liquid outlet, wherein, adjusts the position that the sprue is in leading to the liquid way, can realize switching on or the shutoff of inlet, conveniently controls the waste liquid in the transfer intracavity and gets into the sewage intracavity.
As a further scheme of the invention: the first material shifting rod and the second material shifting rod are both arc-shaped rod structures, and the concave surface of each arc-shaped rod structure faces to the direction opposite to the rotating direction of the rotating shaft.
As a further scheme of the invention: a medicament box is also arranged in the filtering cavity, a medicament inlet communicated with the medicament box is formed in a top plate of the box body, and a medicament is supplemented into the medicament box through the medicament inlet;
the chemical box with be linked together through the medicament exit tube between the stirring sediment chamber, just install the solenoid valve on the medicament exit tube, control solenoid valve opens, conveniently adds the medicament in the chemical box in the stirring sediment chamber through the medicament exit tube, and can stir waste water and medicament through the stirring portion of stirring sediment intracavity and mix, guarantees the treatment effect of printing and dyeing waste water.
As a further scheme of the invention: the stirring portion includes that fixed mounting is in epaxial support horizontal pole of rotation, the tip fixed mounting who supports the horizontal pole has the sprue, the sliding sleeve is equipped with the sliding sleeve on the support horizontal pole, the sliding sleeve with support through connecting spring between the rotation axis and connect, the equal mount in upper and lower both sides of sliding sleeve is equipped with the stirring horizontal pole.
Compared with the prior art, the printing and dyeing wastewater can be preliminarily filtered through the first filter screen, and the first material stirring rod is driven to rotate through the rotating shaft, so that waste residues filtered by the first filter screen can be conveniently discharged; the wastewater entering the stirring precipitation cavity and the medicament are fully mixed through the stirring part, the wastewater can be further treated, the formed precipitate is further filtered through the second filter screen, and waste residues on the surface of the second filter screen can be removed through the second material stirring rod; the liquid inlet can be communicated or blocked by adjusting the position of the blocking block in the liquid passage, so that the waste liquid in the transfer cavity can be conveniently controlled to enter the sewage cavity; get into sewage chamber waste water, filter through the third filter screen that stews to can effectually guarantee the filtration treatment effect of waste water. In conclusion, the embodiment of the invention can filter fiber raw materials and the like in printing and dyeing wastewater, the waste materials can be conveniently cleaned through the material poking rod, the filter screen is prevented from being blocked, the normal use of the wastewater treatment device is facilitated, and the filtering effect is ensured due to the filtering arrangement of the multi-stage filter screen.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a schematic structural diagram of a textile printing and dyeing wastewater treatment device provided by an embodiment of the invention.
FIG. 2 is a schematic structural diagram of a stirring part in the textile printing and dyeing wastewater treatment equipment provided by the embodiment of the invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 1.
FIG. 4 is a front view of a setting bar in the textile printing and dyeing wastewater treatment equipment provided by the embodiment of the invention.
In the figure: 1-a box body, 2-a wastewater inlet, 3-a crusher, 4-a driving motor, 5-an electric push rod, 6-a rotating shaft, 7-a medicament box, 8-a medicament inlet, 9-a medicament outlet pipe and 10-an electromagnetic valve;
11-a filtering cavity, 12-a stirring precipitation cavity, 13-a transfer cavity, 14-a standing separation cavity, 15-a sewage cavity, 16-a sewage discharge pipe, 17-a drain pipe, 18-a second slag discharge pipe, 19-a first slag discharge pipe and 20-a first filter screen;
21-a second filter screen, 22-a stirring part, 23-a first material stirring rod, 24-a second material stirring rod, 25-a supporting partition plate, 26-a third filter screen, 27-a hollow supporting rod, 28-a liquid outlet, 29-a liquid inlet, 30-a block and 31-a liquid passage;
221-support bar, 222-stirring bar, 223-block, 224-connecting spring, 225-sliding sleeve.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-4, in the embodiment provided by the invention, a textile printing and dyeing wastewater treatment device comprises a box body 1 and a rotating shaft 6 rotatably arranged along a central axis in the box body 1, wherein an electric push rod 5 for adjusting the height position of the rotating shaft 6 in the box body 1 is further arranged at the top of the box body 1, a driving motor 4 for driving the rotating shaft 6 to rotate is further arranged at the top of the box body 1, an output shaft of the driving motor 4 is in driving connection with the top end of the rotating shaft 6, and the driving motor 4 is fixedly installed at the top end of a telescopic rod of the electric push rod 5;
further, in the embodiment provided by the present invention, a first filter screen 20, a second filter screen 21, a supporting partition 25 and a third filter screen 26 are fixedly arranged in the box body 1 from top to bottom in sequence, and an inner cavity in the box body 1 is divided into five chambers, namely a filter chamber 11, a stirring sedimentation chamber 12, a transfer chamber 13, a standing separation chamber 14 and a sewage chamber 15 from top to bottom in sequence through the first filter screen 20, the second filter screen 21, the supporting partition 25 and the third filter screen 26;
the top of the box body 1 is provided with a wastewater inlet 2 for inputting textile printing and dyeing wastewater into the filter cavity 11, a crusher 3 positioned right below the wastewater inlet 2 is arranged in the filter cavity 11, and sundries in the wastewater are sufficiently crushed by the crusher 3;
further, a first slag discharge pipe 19 is communicated with one side of the bottom of the filter cavity 11; a second slag discharge pipe 18 is communicated with one side of the bottom of the stirring precipitation cavity 12; a drain pipe 17 is communicated with one side of the bottom of the standing separation cavity 14; a sewage discharge pipe 16 is communicated with one side of the bottom of the sewage cavity 15;
a first stirring rod 23 is arranged on the rotating shaft 6 positioned in the filter cavity 11, and a stirring part 22 and a second stirring rod 24 are arranged on the rotating shaft 6 positioned in the stirring precipitation cavity 12; a hollow support rod 27 is fixedly installed in the lower inner cavity of the box body 1 along the central axis of the box body, a liquid passage 31 is formed in the hollow support rod 27, a blocking block 30 is arranged in the liquid passage 31 in a vertical sliding mode, the top of the hollow support rod 27 extends into the transfer cavity 13, a rotating shaft 6 arranged in the transfer cavity 13 penetrates through the liquid passage 31 in a sliding mode and extends into the liquid passage 31 and is connected with the blocking block 30 in a rotating mode, the height position of the rotating shaft 6 in the box body 1 is adjusted through an electric push rod 5, and the blocking block 30 can be driven to move in the liquid passage 31;
furthermore, in the embodiment of the present invention, a liquid inlet 29 communicated with the liquid passage 31 is disposed at the top of the hollow support rod 27 disposed in the transfer chamber 13, a liquid outlet 28 communicated with the liquid passage 31 is disposed at the bottom of the hollow support rod 27 disposed in the sewage chamber 15, and the waste liquid in the transfer chamber 13 enters the liquid passage 31 through the liquid inlet 29 and then enters the sewage chamber 15 through the liquid outlet 28, wherein the position of the blocking block 30 in the liquid passage 31 is adjusted to achieve the connection or the blocking of the liquid inlet 29, thereby facilitating the control of the waste liquid in the transfer chamber 13 entering the sewage chamber 15.
As shown in fig. 4, in the embodiment provided by the present invention, the first material shifting rod 23 and the second material shifting rod 24 are both arc-shaped rod structures, the concave surfaces of the arc-shaped rod structures face the direction opposite to the rotation direction of the rotating shaft 6, and the height position of the rotating shaft 6 in the box body 1 is adjusted, so that the bottom surface of the first material shifting rod 23 contacts with the upper surface of the first filter screen 20, and the bottom surface of the second material shifting rod 24 contacts with the upper surface of the second filter screen 21, and thus, the rotating shaft 6 drives the first material shifting rod 23 and the second material shifting rod 24 to rotate, the rotating first material shifting rod 23 can shift the waste residues on the upper surface of the first filter screen 20 to be pushed outwards to be discharged through the first slag discharge pipe 19, and the rotating second material shifting rod 24 can shift the waste residues on the upper surface of the second filter screen 21 to be pushed outwards to be discharged through the second slag discharge pipe 18.
Example 2
As shown in fig. 1 and 2, different from embodiment 1, in the embodiment of the present invention, a chemical tank 7 is further disposed in the filter chamber 11, a top plate of the tank 1 is provided with a chemical inlet 8 communicated with the chemical tank 7, and a chemical is replenished into the chemical tank 7 through the chemical inlet 8; the chemical box 7 with be linked together through medicament exit tube 9 between the stirring sedimentation chamber 12, just install solenoid valve 10 on the medicament exit tube 9, control solenoid valve 10 opens, conveniently adds the medicament in the chemical box 7 in the stirring sedimentation chamber 12 through medicament exit tube 9, and can stir waste water and medicament through the stirring portion 22 in the stirring sedimentation chamber 12 and mix, guarantees the treatment effect of printing and dyeing waste water.
In the embodiment of the present invention, the stirring part 22 includes a supporting cross bar 221 fixedly installed on the rotating shaft 6, a block 223 is fixedly installed at an end of the supporting cross bar 221, a sliding sleeve 225 is slidably sleeved on the supporting cross bar 221, the sliding sleeve 225 and the rotating shaft 6 are supported and connected through a connecting spring 224, and a stirring cross bar 222 is fixedly installed on both upper and lower sides of the sliding sleeve 225.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The textile printing and dyeing wastewater treatment equipment is characterized by comprising a box body (1) and a rotating shaft (6) which is rotatably arranged along the central axis in the box body (1), wherein the top of the box body (1) is also provided with an electric push rod (5) for adjusting the height position of the rotating shaft (6) in the box body (1), and the top of the box body (1) is also provided with a driving motor (4) for driving the rotating shaft (6) to rotate;
a first filter screen (20), a second filter screen (21), a supporting partition plate (25) and a third filter screen (26) are fixedly arranged in the box body (1) from top to bottom in sequence, and an inner cavity in the box body (1) is sequentially divided into five chambers, namely a filter cavity (11), a stirring sedimentation cavity (12), a transfer cavity (13), a standing separation cavity (14) and a sewage cavity (15), from top to bottom through the first filter screen (20), the second filter screen (21), the supporting partition plate (25) and the third filter screen (26);
a first material stirring rod (23) is arranged on the rotating shaft (6) positioned in the filtering cavity (11), and a stirring part (22) and a second material stirring rod (24) are arranged on the rotating shaft (6) positioned in the stirring and settling cavity (12); the lower part inner chamber of box (1) has cavity bracing piece (27) along its axis fixed mounting, has seted up logical liquid way (31) in cavity bracing piece (27), and it is equipped with sprue (30) to slide from top to bottom in logical liquid way (31), and the top of cavity bracing piece (27) extends to in transit chamber (13), arrange in rotation axis (6) in transit chamber (13) run through to slide and extend to in leading to liquid way (31) and with sprue (30) rotate and are connected.
2. The textile printing and dyeing wastewater treatment equipment according to claim 1, characterized in that the output shaft of the driving motor (4) is in driving connection with the top end of the rotating shaft (6), and the driving motor (4) is fixedly installed at the top end of the telescopic rod of the electric push rod (5).
3. The textile printing and dyeing wastewater treatment equipment according to claim 2, characterized in that the top of the tank body (1) is provided with a wastewater inlet (2) for inputting textile printing and dyeing wastewater into the filter chamber (11), and a crusher (3) is installed in the filter chamber (11) and is positioned right below the wastewater inlet (2).
4. The textile printing and dyeing wastewater treatment equipment according to the claim 3, characterized in that a first slag discharge pipe (19) is arranged at one side of the bottom of the filter chamber (11); a second slag discharge pipe (18) is communicated with one side of the bottom of the stirring sedimentation cavity (12); a drain pipe (17) is communicated with one side of the bottom of the standing separation cavity (14); and a sewage discharge pipe (16) is communicated with one side of the bottom of the sewage cavity (15).
5. The textile printing and dyeing wastewater treatment equipment according to any one of claims 2 to 4, characterized in that a liquid inlet (29) communicated with the liquid passage (31) is formed at the top of a hollow support rod (27) arranged in the transfer chamber (13), and a liquid outlet (28) communicated with the liquid passage (31) is formed at the bottom of the hollow support rod (27) arranged in the sewage chamber (15).
6. The textile printing and dyeing wastewater treatment equipment according to any one of claims 1 to 4, characterized in that the first material-poking rod (23) and the second material-poking rod (24) are both arc-shaped rod structures, and the concave surfaces of the arc-shaped rod structures face to the opposite direction of the rotation of the rotating shaft (6).
7. The textile printing and dyeing wastewater treatment equipment according to claim 6, characterized in that a chemical tank (7) is arranged in the filter chamber (11), and a chemical inlet (8) communicated with the chemical tank (7) is arranged on the top plate of the tank body (1);
the chemical box (7) is communicated with the stirring precipitation cavity (12) through a chemical outlet pipe (9), and the chemical outlet pipe (9) is provided with an electromagnetic valve (10).
8. The textile printing and dyeing wastewater treatment equipment according to claim 7, characterized in that the stirring part (22) comprises a support cross bar (221) fixedly installed on the rotating shaft (6), a block (223) is fixedly installed at the end part of the support cross bar (221), a sliding sleeve (225) is slidably sleeved on the support cross bar (221), the sliding sleeve (225) is in supporting connection with the rotating shaft (6) through a connecting spring (224), and stirring cross bars (222) are fixedly installed on the upper side and the lower side of the sliding sleeve (225).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911012856.XA CN110683675A (en) | 2019-10-23 | 2019-10-23 | Textile printing and dyeing wastewater treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911012856.XA CN110683675A (en) | 2019-10-23 | 2019-10-23 | Textile printing and dyeing wastewater treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110683675A true CN110683675A (en) | 2020-01-14 |
Family
ID=69113839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911012856.XA Withdrawn CN110683675A (en) | 2019-10-23 | 2019-10-23 | Textile printing and dyeing wastewater treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110683675A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174272A (en) * | 2020-08-21 | 2021-01-05 | 中原工学院 | Water treatment facilities with filter and scrubbing function |
| CN112299517A (en) * | 2020-10-23 | 2021-02-02 | 安徽省农业科学院棉花研究所 | Multistage recovery plant of cotton fiber |
| CN113000113A (en) * | 2021-02-05 | 2021-06-22 | 河南孟电集团水泥有限公司 | Vertical mill device for cement processing |
| CN113279183A (en) * | 2021-06-25 | 2021-08-20 | 浙江诺亿毛纺印染有限公司 | Wastewater treatment device used in dyeing and finishing process |
| CN114405630A (en) * | 2022-02-10 | 2022-04-29 | 河南科技职业大学 | Efficient building waste preliminary treatment equipment for civil engineering |
| CN114524551A (en) * | 2022-03-09 | 2022-05-24 | 金欣刚 | Papermaking wastewater pretreatment device |
| WO2024045206A1 (en) * | 2022-08-29 | 2024-03-07 | 湖南尚珂伊针纺有限公司 | Knitted textile dyeing wastewater treatment equipment |
-
2019
- 2019-10-23 CN CN201911012856.XA patent/CN110683675A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174272A (en) * | 2020-08-21 | 2021-01-05 | 中原工学院 | Water treatment facilities with filter and scrubbing function |
| CN112299517A (en) * | 2020-10-23 | 2021-02-02 | 安徽省农业科学院棉花研究所 | Multistage recovery plant of cotton fiber |
| CN113000113A (en) * | 2021-02-05 | 2021-06-22 | 河南孟电集团水泥有限公司 | Vertical mill device for cement processing |
| CN113279183A (en) * | 2021-06-25 | 2021-08-20 | 浙江诺亿毛纺印染有限公司 | Wastewater treatment device used in dyeing and finishing process |
| CN114405630A (en) * | 2022-02-10 | 2022-04-29 | 河南科技职业大学 | Efficient building waste preliminary treatment equipment for civil engineering |
| CN114524551A (en) * | 2022-03-09 | 2022-05-24 | 金欣刚 | Papermaking wastewater pretreatment device |
| WO2024045206A1 (en) * | 2022-08-29 | 2024-03-07 | 湖南尚珂伊针纺有限公司 | Knitted textile dyeing wastewater treatment equipment |
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Application publication date: 20200114 |