CN113996075A - Hot air circulating system of bisphenol A prilling tower - Google Patents
Hot air circulating system of bisphenol A prilling tower Download PDFInfo
- Publication number
- CN113996075A CN113996075A CN202111438767.9A CN202111438767A CN113996075A CN 113996075 A CN113996075 A CN 113996075A CN 202111438767 A CN202111438767 A CN 202111438767A CN 113996075 A CN113996075 A CN 113996075A
- Authority
- CN
- China
- Prior art keywords
- pipe
- air
- filter
- bisphenol
- box
- 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
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 230000003179 granulation Effects 0.000 claims abstract description 10
- 238000005469 granulation Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 241000220317 Rosa Species 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0041—Use of fluids
- B01D1/0047—Use of fluids in a closed circuit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/18—Evaporating by spraying to obtain dry solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
Abstract
The invention relates to the technical field of bisphenol A processing devices, and particularly discloses a hot air circulating system of a bisphenol A granulation tower, which comprises a granulation tower body, an air inlet pipe and an exhaust pipe, wherein one side of the granulation tower body is connected with the air inlet pipe, the other side of the granulation tower body is connected with the exhaust pipe, one end of the air inlet pipe is connected with an air outlet of a heater, an air inlet hole of the heater is connected with an air outlet end of an air blower through a pipeline, an air inlet end of the air blower is connected with a first tee joint through a pipeline, one end of the first tee joint is connected with one end of a first air supply pipe, and the other end of the first air supply pipe is connected with an air outlet of a first filter box; the exhaust pipe conveys the discharged gas into the second filter box, the gas enters the heat exchange box after being filtered, and the gas is conveyed into the heater through the second three-way joint and the second air supply pipe after being cooled, so that the gas is recycled.
Description
Technical Field
The invention relates to the technical field of bisphenol A processing devices, in particular to a hot air circulating system of a bisphenol A granulation tower.
Background
In recent years, demand for bisphenol a raw material, which is an important compound for industrial plastics, has been strongly increased, bisphenol a has a melting point of up to 157 ℃, and is often prepared into granules in order to maintain good fluidity, and in order to obtain granular bisphenol a, bisphenol a in a molten state is generally atomized into fine particles by a prilling tower and subjected to heat and mass exchange with a hot air stream, and the atomized droplets have a large specific surface area and are dried into small solid particles in a short time; when the existing granulation tower works, heated air is conveyed into the granulation tower and then is directly discharged through an exhaust pipeline, so that the environmental pollution is easily caused, and the waste heat generated by hot air is directly discharged without being fully utilized, so that the waste of heat is caused.
Disclosure of Invention
The invention aims to provide a hot air circulating system of a bisphenol A prilling tower, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a hot air circulating system of a bisphenol A prilling tower comprises a prilling tower body, an air inlet pipe and an exhaust pipe, wherein one side of the prilling tower body is connected with the air inlet pipe, the other side of the prilling tower body is connected with the exhaust pipe, one end of the air inlet pipe is connected with an air outlet of a heater, an air inlet hole of the heater is connected with an air outlet end of an air blower through a pipeline, an air inlet end of the air blower is connected with a first tee joint through a pipeline, one end of the first tee joint is connected with one end of a first air supply pipe, and the other end of the first air supply pipe is connected with an air outlet of a first filter box; exhaust pipe one end is connected with the fresh air inlet of second rose box, the air outlet of second rose box is connected with the one end of coiled pipe through the pipeline, the coiled pipe sets up in the heat transfer incasement, the other end of coiled pipe has second three way connection through the pipe connection, the one end of second three way connection is connected with the one end of second blast pipe, the other end of second blast pipe is connected with first three way connection's the other end.
Preferably, first rose box one end is provided with the air intake, the outside of air intake is provided with the grid plate, be provided with first filter and active carbon adsorption board in the first rose box, and first filter is close to the air intake setting, the top and the bottom of first filter and active carbon adsorption board all are connected with the connecting strip, and the connecting strip is connected on the upper and lower inner wall of first rose box.
Preferably, be provided with second filter and third filter in the second rose box, and the third filter is close to the setting of heat transfer case, the top and the bottom of second filter and third filter all are connected with the connecting strip, and the connecting strip is connected on the upper and lower inner wall of second rose box.
Preferably, the vertical lead screw that is provided with in the second rose box, be connected with the nut on the lead screw, nut one side is connected with the cleaning brush through the connecting block, and the cleaning brush hugs closely one side setting of second filter, be provided with the bearing frame that is connected with the lead screw bottom on the bottom plate of second rose box, the top of lead screw is connected with the dwang, and the dwang runs through the top setting of second rose box.
Preferably, the other end of the second three-way joint is connected with the air inlet end of the exhaust fan through a pipeline, and the air outlet end of the exhaust fan is connected with an air outlet pipe.
Preferably, one side of the heat exchange box is connected with a water supply pipe, one end of the water supply pipe is connected with the water outlet end of the water pump, the water inlet end of the water pump is connected with the water storage box through a pipeline, the bottom of the heat exchange box is connected with a drain pipe, and one end of the drain pipe is connected with the water storage box.
Preferably, valves are arranged on the air inlet pipe, the exhaust pipe, the first air supply pipe, the drain pipe and the second air supply pipe.
Compared with the prior art, the invention has the beneficial effects that: carry the gas that discharges to the second rose box in through the exhaust pipe, carry out filtration treatment and then enter into the heat transfer incasement, after cooling down, carry to the heater in through second three way connection and second blast pipe, realize gaseous recycling, the energy saving, and the interior hot water of heat transfer incasement passes through the drain pipe and carries to the water storage box in, conveniently uses.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the interior of a first filtration tank of the present invention;
fig. 3 is a schematic view of the inside of a second filtration tank of the present invention.
In the figure: 1. a prilling tower body; 2. an air inlet pipe; 3. an exhaust duct; 4. a first filter tank; 41. a grid plate; 42. an air inlet; 43. a first filter plate; 44. an activated carbon adsorption plate; 45. a connecting strip; 5. a first blast pipe; 6. a first three-way joint; 7. a blower; 8. a heater; 9. a second filter tank; 91. a second filter plate; 92. a third filter plate; 93. a cleaning brush; 94. a nut; 95. a screw rod; 96. rotating the rod; 10. a heat exchange box; 11. an exhaust fan; 12. a second three-way joint; 13. a water supply pipe; 14. a drain pipe; 15. a water storage tank; 16. a serpentine tube; 17. a second blast pipe; 18. and (4) a water pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 by those skilled in the art according to specific situations.
Referring to fig. 1-3, the present invention provides a technical solution: a hot air circulating system of a bisphenol A prilling tower comprises a prilling tower body 1, an air inlet pipe 2 and an exhaust pipe 3, wherein one side of the prilling tower body 1 is connected with the air inlet pipe 2, the other side of the prilling tower body 1 is connected with the exhaust pipe 3, one end of the air inlet pipe 2 is connected with an air outlet of a heater 8, an air inlet hole of the heater 8 is connected with an air outlet end of an air blower 7 through a pipeline, an air inlet end of the air blower 7 is connected with a first tee joint 6 through a pipeline, one end of the first tee joint 6 is connected with one end of a first air supply pipe 5, and the other end of the first air supply pipe 5 is connected with an air outlet of a first filter box 4; one end of the exhaust pipe 3 is connected with an air inlet hole of the second filter box 9, an air outlet of the second filter box 9 is connected with one end of a coiled pipe 16 through a pipeline, the coiled pipe 16 is arranged in the heat exchange box 10, the other end of the coiled pipe 16 is connected with a second three-way joint 12 through a pipeline, one end of the second three-way joint 12 is connected with one end of a second air supply pipe 17, and the other end of the second air supply pipe 17 is connected with the other end of the first three-way joint 6.
Be provided with second filter 91 and third filter 92 in the second rose box 9, and third filter 92 is close to heat transfer case 10 setting, and the top and the bottom of second filter 91 and third filter 92 all are connected with connecting strip 45, and connecting strip 45 connects on the upper and lower inner wall of second rose box 9.
The vertical lead screw 95 that is provided with in the second rose box 9, be connected with the nut 94 on the lead screw 95, nut 94 one side is connected with cleaning brush 93 through the connecting block, and cleaning brush 93 hugs closely one side setting of second filter 91, is provided with the bearing frame that is connected with the lead screw 95 bottom on the bottom plate of second rose box 9, and the top of lead screw 95 is connected with dwang 96, and dwang 96 runs through the top setting of second rose box 9.
The other end of the second three-way joint 12 is connected with the air inlet end of the exhaust fan 11 through a pipeline, and the air outlet end of the exhaust fan 11 is connected with an air outlet pipe.
One side of the heat exchange box 10 is connected with a water supply pipe 13, one end of the water supply pipe 13 is connected with the water outlet end of a water pump 18, the water inlet end of the water pump 18 is connected with a water storage box 15 through a pipeline, the bottom of the heat exchange box 10 is connected with a water discharge pipe 14, and one end of the water discharge pipe 14 is connected with the water storage box 15.
Valves are arranged on the air inlet pipe 2, the exhaust pipe 3, the first air supply pipe 5, the drain pipe 14 and the second air supply pipe 17.
The working principle is as follows: when the device is used, the blower 7 works, gas enters the first filter tank 4 through the air inlet 42, is filtered through the grid plate 41, is filtered through the first filter plate 43, is adsorbed through the activated carbon adsorption plate 44, is conveyed into the heater 8 through the first air supply pipe 5, is heated, enters the granulation tower body 1 through the air inlet pipe 2, hot air discharged from the exhaust pipe 3 enters the second filter tank 9, is filtered through the second filter plate 91, is filtered through the third filter plate 92, enters the coil pipe 16 through a pipeline, is conveyed into the water supply pipe 13 by the water pump 18, enters the heat exchange tank 10 for cooling, water discharged from the water discharge pipe 14 enters the water storage tank 15 for collection, drives the screw rod 95 to rotate through the rotating rod 96, and starts to lift the nut 94, drive cleaning brush 93 through the connecting block and reciprocate, clean second filter 91, avoid the dust to block up second filter 91, in refrigerated gas enters into second blast pipe 17 through second three way connection 12, then in carrying the pipeline through first three way connection 6, heat in entering into heater 8 once more, and air exhauster 11 discharges gas.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a bisphenol A prilling tower's hot air circulating system, includes prilling tower body (1), air-supply line (2) and exhaust pipe (3), its characterized in that: one side of the granulation tower body (1) is connected with an air inlet pipe (2), the other side of the granulation tower body (1) is connected with an exhaust pipe (3), one end of the air inlet pipe (2) is connected with an air outlet of a heater (8), an air inlet hole of the heater (8) is connected with an air outlet end of an air blower (7) through a pipeline, an air inlet end of the air blower (7) is connected with a first three-way joint (6) through a pipeline, one end of the first three-way joint (6) is connected with one end of a first air supply pipe (5), and the other end of the first air supply pipe (5) is connected with an air outlet of a first filter box (4); exhaust pipe (3) one end is connected with the fresh air inlet of second rose box (9), the air outlet of second rose box (9) is connected with the one end of coiled pipe (16) through the pipeline, coiled pipe (16) set up in heat transfer case (10), the other end of coiled pipe (16) has second three way connection (12) through the pipe connection, the one end of second three way connection (12) is connected with the one end of second blast pipe (17), the other end of second blast pipe (17) is connected with the other end of first three way connection (6).
2. The hot air circulation system of a bisphenol a prilling tower according to claim 1, wherein: first rose box (4) one end is provided with air intake (42), the outside of air intake (42) is provided with grid plate (41), be provided with first filter (43) and active carbon adsorption board (44) in first rose box (4), and first filter (43) are close to air intake (42) and set up, the top and the bottom of first filter (43) and active carbon adsorption board (44) all are connected with connecting strip (45), and connecting strip (45) connect on the upper and lower inner wall of first rose box (4).
3. The hot air circulation system of a bisphenol a prilling tower according to claim 1, wherein: be provided with second filter (91) and third filter (92) in second rose box (9), and third filter (92) are close to heat transfer case (10) setting, the top and the bottom of second filter (91) and third filter (92) all are connected with connecting strip (45), and connecting strip (45) are connected on the upper and lower inner wall of second rose box (9).
4. The hot air circulation system of a bisphenol a prilling tower according to claim 1, wherein: the novel filter plate is characterized in that a screw rod (95) is vertically arranged in the second filter box (9), a nut (94) is connected onto the screw rod (95), a cleaning brush (93) is connected onto one side of the nut (94) through a connecting block, one side of the cleaning brush (93) clings to one side of the second filter plate (91) in a clinging mode, a bearing seat connected with the bottom end of the screw rod (95) is arranged on a bottom plate of the second filter box (9), the top end of the screw rod (95) is connected with a rotating rod (96), and the rotating rod (96) penetrates through the top of the second filter box (9).
5. The hot air circulation system of a bisphenol a prilling tower according to claim 1, wherein: the other end of the second three-way joint (12) is connected with the air inlet end of the exhaust fan (11) through a pipeline, and the air outlet end of the exhaust fan (11) is connected with an air outlet pipe.
6. The hot air circulation system of a bisphenol a prilling tower according to claim 1, wherein: one side of the heat exchange box (10) is connected with a water supply pipe (13), one end of the water supply pipe (13) is connected with a water outlet end of a water pump (18), a water inlet end of the water pump (18) is connected with a water storage box (15) through a pipeline, the bottom of the heat exchange box (10) is connected with a drain pipe (14), and one end of the drain pipe (14) is connected with the water storage box (15).
7. The hot air circulation system of a bisphenol a prilling tower according to claim 1, wherein: valves are arranged on the air inlet pipe (2), the exhaust pipe (3), the first air supply pipe (5), the drain pipe (14) and the second air supply pipe (17).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110769608 | 2021-07-07 | ||
| CN2021107696080 | 2021-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113996075A true CN113996075A (en) | 2022-02-01 |
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ID=79930826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111438767.9A Pending CN113996075A (en) | 2021-07-07 | 2021-11-29 | Hot air circulating system of bisphenol A prilling tower |
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| Country | Link |
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| CN (1) | CN113996075A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013137139A (en) * | 2011-12-28 | 2013-07-11 | Dainippon Screen Mfg Co Ltd | Drying device and heat treatment system |
| CN205627125U (en) * | 2016-05-26 | 2016-10-12 | 清远泰盛生物科技有限公司 | Centrifugal drying system of coagulated pig's blood used as a food globulin powder |
| CN207763473U (en) * | 2018-01-18 | 2018-08-24 | 江苏儒嘉生物科技有限公司 | The drying system in the production of 3 microcapsule powder of omega is buried in a kind of double-contracting |
| CN109876577A (en) * | 2019-03-21 | 2019-06-14 | 上海工程技术大学 | A kind of purification device that industrial waste gas recycles and its working method |
| CN110624353A (en) * | 2019-10-10 | 2019-12-31 | 郭志斌 | High-temperature gas cooling device for waste gas environment-friendly treatment |
| CN210251617U (en) * | 2019-05-27 | 2020-04-07 | 天津三诺涂料有限公司 | Exhaust gas purifier for paint production |
| CN212747417U (en) * | 2020-05-14 | 2021-03-19 | 王京涛 | Refrigerating and heating heat exchange device |
| CN212941992U (en) * | 2020-06-17 | 2021-04-13 | 李淑琴 | Oil smoke clarification plant convenient to clearance |
| CN213040706U (en) * | 2020-09-02 | 2021-04-23 | 广东国新机电有限公司 | Air purifier with three sub-filter screens |
| CN112705006A (en) * | 2020-07-28 | 2021-04-27 | 贵州远大钙业有限责任公司 | Waste heat recovery utilizes system for calcium oxide production |
| CN213179335U (en) * | 2020-10-13 | 2021-05-11 | 邢台市龙鑫科技有限公司 | Hot air circulating system of drying granulation tower |
-
2021
- 2021-11-29 CN CN202111438767.9A patent/CN113996075A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013137139A (en) * | 2011-12-28 | 2013-07-11 | Dainippon Screen Mfg Co Ltd | Drying device and heat treatment system |
| CN205627125U (en) * | 2016-05-26 | 2016-10-12 | 清远泰盛生物科技有限公司 | Centrifugal drying system of coagulated pig's blood used as a food globulin powder |
| CN207763473U (en) * | 2018-01-18 | 2018-08-24 | 江苏儒嘉生物科技有限公司 | The drying system in the production of 3 microcapsule powder of omega is buried in a kind of double-contracting |
| CN109876577A (en) * | 2019-03-21 | 2019-06-14 | 上海工程技术大学 | A kind of purification device that industrial waste gas recycles and its working method |
| CN210251617U (en) * | 2019-05-27 | 2020-04-07 | 天津三诺涂料有限公司 | Exhaust gas purifier for paint production |
| CN110624353A (en) * | 2019-10-10 | 2019-12-31 | 郭志斌 | High-temperature gas cooling device for waste gas environment-friendly treatment |
| CN212747417U (en) * | 2020-05-14 | 2021-03-19 | 王京涛 | Refrigerating and heating heat exchange device |
| CN212941992U (en) * | 2020-06-17 | 2021-04-13 | 李淑琴 | Oil smoke clarification plant convenient to clearance |
| CN112705006A (en) * | 2020-07-28 | 2021-04-27 | 贵州远大钙业有限责任公司 | Waste heat recovery utilizes system for calcium oxide production |
| CN213040706U (en) * | 2020-09-02 | 2021-04-23 | 广东国新机电有限公司 | Air purifier with three sub-filter screens |
| CN213179335U (en) * | 2020-10-13 | 2021-05-11 | 邢台市龙鑫科技有限公司 | Hot air circulating system of drying granulation tower |
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| PB01 | Publication | ||
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Application publication date: 20220201 |