CN114454341A - Low-carbon environment-friendly concrete aggregate heating method - Google Patents
Low-carbon environment-friendly concrete aggregate heating method Download PDFInfo
- Publication number
- CN114454341A CN114454341A CN202111628928.0A CN202111628928A CN114454341A CN 114454341 A CN114454341 A CN 114454341A CN 202111628928 A CN202111628928 A CN 202111628928A CN 114454341 A CN114454341 A CN 114454341A
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- CN
- China
- Prior art keywords
- aggregate
- bin
- heat dissipation
- aggregate bin
- dissipation device
- 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
- 239000004567 concrete Substances 0.000 title claims abstract description 41
- 238000010438 heat treatment Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 230000017525 heat dissipation Effects 0.000 claims abstract description 39
- 239000011150 reinforced concrete Substances 0.000 claims description 14
- 239000010425 asbestos Substances 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 2
- 238000003756 stirring Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 12
- 238000004321 preservation Methods 0.000 abstract description 9
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
- B28C7/0023—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust by heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0046—Storage or weighing apparatus for supplying ingredients
- B28C7/0053—Storage containers, e.g. hoppers, silos, bins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0046—Storage or weighing apparatus for supplying ingredients
- B28C7/0053—Storage containers, e.g. hoppers, silos, bins
- B28C7/0076—Parts or details thereof, e.g. opening, closing or unloading means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The invention discloses a low-carbon environment-friendly concrete aggregate heating method, which comprises the following steps of: 1) a first heat dissipation device on the outer wall of the aggregate bin is communicated with an electromagnetic valve on a hot water supply pipe of a water storage tank of the solar water heater, and the first heat dissipation device enables the air in the aggregate bin to be heated; 2) the aggregate enters the temporary storage bin from the feeding port, and under the rotation action of the roller, the aggregate moves to the guide plate and falls into the aggregate bin under the guide of the guide plate; 3) the aggregate is heated in the aggregate bin and leaves the aggregate bin through a feed opening at the bottom of the aggregate bin. Compared with the prior art, the aggregate bin has the advantages that the aggregate in the aggregate bin is heated by the solar water heater, the heat preservation layer is arranged on the outer side of the aggregate bin to prevent heat dissipation, the heating effect of the aggregate is guaranteed, and the temperature of the concrete aggregate is guaranteed to meet the requirements of subsequent stirring and mixing.
Description
Technical Field
The invention belongs to the field of concrete stirring and processing, and particularly relates to a low-carbon environment-friendly concrete aggregate heating method.
Background
A concrete mixing plant is a large-scale apparatus for mixing concrete, which is composed of a plurality of parts including an aggregate bin, a conveying system, a mixing system, a powder tank, etc., wherein the aggregate bin is generally a bin body for storing gravel aggregate.
During concrete mixing, because winter ambient temperature is low, and current aggregate storehouse lacks intensification and heat preservation device, leads to the concrete aggregate temperature of storage in the inside aggregate storehouse to be low, and concrete aggregate temperature can not satisfy the needs of follow-up stirring and mixture.
Disclosure of Invention
The invention aims to: the low-carbon environment-friendly concrete aggregate heating method is characterized in that aggregate in an aggregate bin is heated by a solar water heater, a heat preservation layer is arranged on the outer side of the aggregate bin to prevent heat dissipation, the heating effect of the aggregate is guaranteed, and the temperature of the concrete aggregate is guaranteed to meet the requirements of subsequent stirring and mixing.
In order to achieve the purpose, the invention adopts the following technical scheme: a low-carbon environment-friendly concrete aggregate heating method comprises the following steps:
1) a first heat dissipation device on the outer wall of the aggregate bin is communicated with an electromagnetic valve on a hot water supply pipe of a water storage tank of the solar water heater and opens, and the first heat dissipation device enables the air in the aggregate bin to be heated;
2) the aggregate enters the temporary storage bin from the feeding port, and under the rotation action of the roller, the aggregate moves to the guide plate and falls into the aggregate bin under the guide of the guide plate;
3) the aggregate is heated in the aggregate bin and leaves the aggregate bin through a feed opening at the bottom of the aggregate bin;
the method is realized through an aggregate bin heating system, the aggregate bin heating system comprises an aggregate bin, a temporary storage bin, a first heat dissipation device and a solar water heater, the temporary storage bin is fixedly installed on the aggregate bin and communicated to the aggregate bin through a guide plate, a feed inlet is formed in one end of the temporary storage bin, a roller used for conveying aggregates is arranged on the temporary storage bin at the feed inlet, the first heat dissipation device is fixedly installed on the outer wall of the aggregate bin, the solar water heater is fixedly installed at the top of the temporary storage bin, a water inlet of the first heat dissipation device is connected with a water outlet of a water storage tank of the solar water heater through a hot water supply pipe, and a water outlet of the first heat dissipation device is connected with a water inlet of the water storage tank of the solar water heater through a water return pipe.
As a further description of the above technical solution:
and a heat-insulating layer is arranged outside the aggregate bin.
As a further description of the above technical solution:
the heat preservation layer comprises an inner reinforced concrete layer, an asbestos board heat preservation layer and an outer reinforced concrete layer which are sequentially arranged from inside to outside, the aggregate bin is arranged in the cylindrical inner reinforced concrete layer, and the outer reinforced concrete layer is fixedly arranged on the ground through a strut.
As a further description of the above technical solution:
be provided with conical guiding device in the aggregate storehouse, guiding device passes through jib fixed mounting on the temporary storage storehouse, and guiding device's position corresponds the baffle, and guiding device top-down diameter crescent.
As a further description of the above technical solution:
and a second heat dissipation device is also arranged on the outer wall of the feed opening and is connected with a steam heat source.
As a further description of the above technical solution:
the first heat dissipation device comprises a plurality of heat dissipation pipes with fins.
As a further description of the above technical solution:
the fins are aluminum alloy fins.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, for the concrete aggregate stored in the aggregate bin, the first heat dissipation device heats the concrete aggregate by using hot water provided by the solar water heater, and the heat dissipation is prevented by arranging the heat preservation layer on the outer side of the aggregate bin, so that the temperature of the concrete aggregate in the aggregate bin under a low-temperature environment meets the requirements of subsequent stirring and mixing. The heating mode of the concrete aggregate is low-carbon and environment-friendly, and the energy is saved.
2. In the invention, in order to further improve the heating effect of the concrete aggregate, the aggregate bin is internally provided with the flow guide device. The setting of guiding device for the aggregate that falls from baffle department falls along aggregate storehouse inner wall, improves the heating effect of first heat abstractor to the aggregate, guarantees that concrete aggregate temperature satisfies follow-up stirring and mixed needs.
3. In the invention, in order to further improve the heating effect of the concrete aggregate, the outer wall of the feed opening is also provided with a second heat radiating device. The second heat dissipation device is used for heating aggregate at the feed opening of the aggregate bin, and the temperature of the concrete aggregate is guaranteed to meet the requirements of follow-up stirring and mixing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a heating system of an aggregate bin in a low-carbon environment-friendly concrete aggregate heating method.
Illustration of the drawings:
1. an aggregate bin; 11. a feeding port; 2. a first heat sink; 3. a solar water heater; 31. a hot water supply pipe; 32. an electromagnetic valve; 33. a water return pipe; 4. a feed inlet; 5. a temporary storage bin; 51. a drum; 52. a guide plate; 6. a heat-insulating layer; 61. an inner reinforced concrete layer; 62. an asbestos plate heat-insulating layer; 63. an outer reinforced concrete layer; 64. a pillar; 7. a flow guide device; 71. a boom; 8. a second heat sink; 81. a steam heat source.
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.
Referring to fig. 1, the present invention provides a technical solution: a low-carbon environment-friendly concrete aggregate heating method comprises the following steps:
1) the electromagnetic valve 32 on the hot water supply pipe 31 of the first heat dissipation device 2 on the outer wall of the aggregate bin 1, which is communicated with the water storage tank of the solar water heater 3, is opened, and the first heat dissipation device 2 heats the air in the aggregate bin 1;
2) the aggregate enters the temporary storage bin 5 from the feeding hole 4, and under the rotation action of the roller 51 (driven by a motor fixedly arranged on the temporary storage bin 5), the aggregate moves to the guide plate 52 and falls into the aggregate bin 1 under the guide of the guide plate 52;
3) the aggregates are heated in the aggregate bin 1 and leave the aggregate bin 1 through a feed opening 11 at the bottom of the aggregate bin 1;
the method is realized through an aggregate bin heating system, the aggregate bin heating system comprises an aggregate bin 1, a temporary storage bin 5, a first heat dissipation device 2 and a solar water heater 3, the temporary storage bin 5 is fixedly installed on the aggregate bin 1, the temporary storage bin 5 is communicated to the aggregate bin 1 through a guide plate 52, one end of the temporary storage bin 5 is provided with a feed inlet 4, a roller 51 used for conveying aggregate is arranged on the temporary storage bin 5 at the feed inlet 4, the first heat dissipation device 2 is fixedly installed on the outer wall of the aggregate bin 1, the solar water heater 3 is fixedly installed at the top of the temporary storage bin 5, a water inlet of the first heat dissipation device 2 is connected with a water outlet of a water storage tank of the solar water heater 3 through a water supply pipe 31, and a water outlet of the first heat dissipation device 2 is connected with a water inlet of the water storage tank of the solar water heater 3 through a water return pipe 33.
And a heat-insulating layer 6 is arranged outside the aggregate bin 1. The heat preservation layer 6 comprises an inner reinforced concrete layer 61, an asbestos board heat preservation layer 62 and an outer reinforced concrete layer 63 which are sequentially arranged from inside to outside, the aggregate bin 1 is arranged in the cylindrical inner reinforced concrete layer 61, and the outer reinforced concrete layer 63 is fixedly arranged on the ground through a support column 64. The heat that first heat abstractor 2 produced reduces outwards to give off, improves the heating effect to aggregate in aggregate storehouse 1, guarantees that concrete aggregate temperature satisfies the needs of follow-up stirring and mixture.
A conical flow guide device 7 is arranged in the aggregate bin 1, the flow guide device 7 is fixedly arranged on the temporary storage bin 5 through a hanging rod 71, the position of the flow guide device 7 corresponds to the guide plate 52, and the diameter of the flow guide device 7 is gradually increased from top to bottom. The setting of guiding device 7 for the aggregate that falls from baffle 52 falls along aggregate storehouse 1 inner wall, improves the heating effect of first heat abstractor 2 to the aggregate, guarantees that concrete aggregate temperature satisfies follow-up stirring and mixed needs.
And a second heat dissipation device 8 is further arranged on the outer wall of the feed opening 11, and the second heat dissipation device 8 is connected with a steam heat source 81. The second heat dissipation device 8 further improves the heating effect on the aggregate, and ensures that the temperature of the concrete aggregate meets the requirements of subsequent stirring and mixing.
The first heat dissipation device 2 comprises a plurality of heat dissipation pipes with fins, and the heating effect of the aggregate is guaranteed.
The fin is the aluminum alloy fin, reduces first heat abstractor 2's quality, and the fixed mounting of being convenient for is in the 1 outside of aggregate bin.
The working principle is as follows: to the concrete aggregate of the storage in the aggregate storehouse, first heat abstractor utilizes the hot water that solar water heater provided to heat it to prevent the heat loss through set up the heat preservation in the aggregate storehouse outside, guarantee that the inside concrete aggregate temperature in aggregate storehouse satisfies the needs of follow-up stirring and mixing under the low temperature environment. The heating mode of the concrete aggregate is low-carbon and environment-friendly, and the energy is saved. In order to further improve the heating effect of the concrete aggregate, a flow guide device is arranged in the aggregate bin. The setting of guiding device for the aggregate that falls from baffle department falls along aggregate storehouse inner wall, improves the heating effect of first heat abstractor to the aggregate, guarantees that concrete aggregate temperature satisfies follow-up stirring and mixed needs. In order to further improve the heating effect of the concrete aggregate, a second heat dissipation device is further arranged on the outer wall of the feed opening. The second heat dissipation device is used for heating aggregate at the feed opening of the aggregate bin, and the temperature of the concrete aggregate is guaranteed to meet the requirements of follow-up stirring and mixing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A low-carbon environment-friendly concrete aggregate heating method is characterized by comprising the following steps:
1) a first heat dissipation device (2) on the outer wall of the aggregate bin (1) is communicated with an electromagnetic valve (32) on a hot water supply pipe (31) of a water storage tank of a solar water heater (3), and the first heat dissipation device (2) enables the air in the aggregate bin (1) to be heated;
2) aggregate enters a temporary storage bin (5) from a feeding hole (4), and under the rotating action of a roller (51), the aggregate moves to a guide plate (52) and falls into the aggregate bin (1) under the guide of the guide plate (52);
3) the aggregates are heated in the aggregate bin (1) and leave the aggregate bin (1) through a feed opening (11) at the bottom of the aggregate bin (1);
the method is realized through an aggregate bin heating system, the aggregate bin heating system comprises an aggregate bin (1), a temporary storage bin (5), a first heat dissipation device (2) and a solar water heater (3), the temporary storage bin (5) is fixedly arranged on the aggregate bin (1), the temporary storage bin (5) is communicated to the aggregate bin (1) through a guide plate (52), one end of the temporary storage bin (5) is provided with a feed inlet (4), the temporary storage bin (5) at the feed inlet (4) is provided with a roller (51) for conveying aggregate, the first heat dissipation device (2) is fixedly arranged on the outer wall of the aggregate bin (1), the solar water heater (3) is fixedly arranged at the top of the temporary storage bin (5), a water inlet of the first heat dissipation device (2) is connected with a water outlet of a water storage tank of the solar water heater (3) through a hot water supply pipe (31), the water outlet of the first heat dissipation device (2) is connected with the water inlet of the water storage tank of the solar water heater (3) through a water return pipe (32).
2. The low-carbon environment-friendly concrete aggregate heating method according to claim 1, characterized in that an insulating layer (6) is arranged outside the aggregate bin (1).
3. The low-carbon environment-friendly concrete aggregate heating method according to claim 2, characterized in that the heat insulation layer (6) comprises an inner reinforced concrete layer (61), an asbestos board heat insulation layer (62) and an outer reinforced concrete layer (63) which are sequentially arranged from inside to outside, the aggregate bin (1) is arranged in the cylindrical inner reinforced concrete layer (61), and the outer reinforced concrete layer (63) is fixedly arranged on the ground through a support column (64).
4. The low-carbon environment-friendly concrete aggregate heating method according to claim 1, characterized in that a conical flow guide device (7) is arranged in the aggregate bin (1), the flow guide device (7) is fixedly installed on the temporary storage bin (5) through a hanging rod (71), the position of the flow guide device (7) corresponds to the guide plate (52), and the diameter of the flow guide device (7) is gradually increased from top to bottom.
5. A low-carbon environment-friendly concrete aggregate heating method as claimed in claim 1, characterized in that a second heat dissipation device (8) is further arranged on the outer wall of the feed opening (11), and the second heat dissipation device (8) is connected with a steam heat source (81).
6. The low-carbon and environment-friendly concrete aggregate heating method as claimed in claim 1, wherein the first heat dissipation device (2) comprises a plurality of finned heat dissipation pipes.
7. The low-carbon environment-friendly concrete aggregate heating method as claimed in claim 6, wherein the fins are aluminum alloy fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111628928.0A CN114454341A (en) | 2021-12-28 | 2021-12-28 | Low-carbon environment-friendly concrete aggregate heating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111628928.0A CN114454341A (en) | 2021-12-28 | 2021-12-28 | Low-carbon environment-friendly concrete aggregate heating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114454341A true CN114454341A (en) | 2022-05-10 |
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ID=81408249
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111628928.0A Pending CN114454341A (en) | 2021-12-28 | 2021-12-28 | Low-carbon environment-friendly concrete aggregate heating method |
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| Country | Link |
|---|---|
| CN (1) | CN114454341A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005289783A (en) * | 2004-03-31 | 2005-10-20 | Advic:Kk | Method for heating/drying aggregate and aggregate separation apparatus |
| CN102756426A (en) * | 2012-07-06 | 2012-10-31 | 葛洲坝集团第五工程有限公司 | Integrated concrete aggregate pre-cooling and pre-heating device as well as pre-cooling and pre-heating method |
| CN103552155A (en) * | 2013-10-30 | 2014-02-05 | 中国神华能源股份有限公司 | Aggregate thermal insulation system and stirring method of concrete |
| CN204566397U (en) * | 2015-05-06 | 2015-08-19 | 浙江海洋学院 | A kind of concrete surge bin |
| CN106677012A (en) * | 2016-12-20 | 2017-05-17 | 长安大学 | Intelligent insulating type asphalt concrete mixing station |
| CN213107500U (en) * | 2020-06-24 | 2021-05-04 | 深圳市宝益成预拌混凝土有限公司 | Aggregate temporary storage bin of recycled concrete mixing plant |
-
2021
- 2021-12-28 CN CN202111628928.0A patent/CN114454341A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005289783A (en) * | 2004-03-31 | 2005-10-20 | Advic:Kk | Method for heating/drying aggregate and aggregate separation apparatus |
| CN102756426A (en) * | 2012-07-06 | 2012-10-31 | 葛洲坝集团第五工程有限公司 | Integrated concrete aggregate pre-cooling and pre-heating device as well as pre-cooling and pre-heating method |
| CN103552155A (en) * | 2013-10-30 | 2014-02-05 | 中国神华能源股份有限公司 | Aggregate thermal insulation system and stirring method of concrete |
| CN204566397U (en) * | 2015-05-06 | 2015-08-19 | 浙江海洋学院 | A kind of concrete surge bin |
| CN106677012A (en) * | 2016-12-20 | 2017-05-17 | 长安大学 | Intelligent insulating type asphalt concrete mixing station |
| CN213107500U (en) * | 2020-06-24 | 2021-05-04 | 深圳市宝益成预拌混凝土有限公司 | Aggregate temporary storage bin of recycled concrete mixing plant |
Non-Patent Citations (1)
| Title |
|---|
| 汤邦权: "《现代制浆设备》", 轻工业出版社, pages: 46 * |
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| CB02 | Change of applicant information |
Address after: No.999, Xingang Road, Fuqiao Town, Taicang City, Suzhou City, Jiangsu Province Applicant after: Suzhou Liangpu Energy Saving New Materials Co.,Ltd. Address before: No.999, Xingang Road, Fuqiao Town, Taicang City, Suzhou City, Jiangsu Province Applicant before: SUZHOU LIANGPU DWELLING HOUSE INDUSTRIAL Co.,Ltd. |
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