CN113599913A - Automatic auto-dust removal auto-suction machine of integral type - Google Patents

Automatic auto-dust removal auto-suction machine of integral type Download PDF

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Publication number
CN113599913A
CN113599913A CN202110733865.9A CN202110733865A CN113599913A CN 113599913 A CN113599913 A CN 113599913A CN 202110733865 A CN202110733865 A CN 202110733865A CN 113599913 A CN113599913 A CN 113599913A
Authority
CN
China
Prior art keywords
bin
storage tank
air
suction machine
tank
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
Application number
CN202110733865.9A
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Chinese (zh)
Inventor
廖胜文
陈远根
喻洪亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yuyao Haiyuan Mechanical Equipment Factory
Original Assignee
Yuyao Haiyuan Mechanical Equipment Factory
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yuyao Haiyuan Mechanical Equipment Factory filed Critical Yuyao Haiyuan Mechanical Equipment Factory
Priority to CN202110733865.9A priority Critical patent/CN113599913A/en
Publication of CN113599913A publication Critical patent/CN113599913A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0039Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0041Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
    • B01D46/0045Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding by using vanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023Pockets filters, i.e. multiple bag filters mounted on a common frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04Cleaning filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/543Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes

Abstract

The invention discloses an integrated automatic dust removal suction machine, which comprises a suction machine body and a control cabinet; the suction machine body comprises a storage tank, a tank cover positioned at the top of the storage tank and an ultrasonic vibrator fixed on the front side of the storage tank; a fixing plate is arranged between the storage tank and the tank cover, a plurality of groups of filter elements are arranged at the bottom of the fixing plate, and vent pipes with air passing holes are arranged in the centers of the filter elements; an air exhaust bin is arranged in the tank cover, an air inlet is arranged on the side surface of the air exhaust bin, and the air exhaust bin is connected with an air pipe through a pipeline; the top of the air extraction bin is provided with a turbine bin for placing a turbine, and the turbine is driven to rotate by a motor arranged at the top of the air extraction bin; a storage bin is arranged in the storage tank, and a suction port communicated with the storage bin is arranged on the side surface of the storage tank; the invention has simple structure and simple implementation, prevents the filter device from being blocked and improves the production efficiency.

Description

Automatic auto-dust removal auto-suction machine of integral type
Technical Field
The invention relates to the field of powder material conveying, in particular to an integrated automatic dust removal suction machine.
Background
At present, vacuum feeding widely used in the market adopts intermittent vacuum feeding, namely, vacuum is generated by a vacuum generator or a negative pressure fan pump to suck materials into a material receiving tank, air and the materials are separated by a filter, the material pumping and discharging time is set, the controller controls the switch of a discharging valve of a feeding machine to discharge the materials into a material storage tank, and the vacuum generator or the negative pressure fan must stop when the materials are discharged, and meanwhile, an air cannon reversely blows the filter, so that the materials adsorbed on the filter fall off, and the circulation mode operation is formed.
The prior art has the following two major defects, namely: the tank body and the negative pressure fan pump adopt a split structure, so that the distance for pumping air is longer; the material conveying speed is slow, so that only the power of a negative pressure fan pump can be increased for conveying, and the consumed power is high; and defect two: the materials are fed into the storage tank through vacuum feeding, so that the filters are frequently contacted with a large amount of materials, the filters are easily blocked, and meanwhile, the filters are not cleaned cleanly through back blowing.
Disclosure of Invention
The invention aims to provide a suction machine which is convenient to install and reasonable in structure, so as to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
an integrated automatic dust removal suction machine comprises a suction machine body and a control cabinet; the suction machine body comprises a storage tank, a tank cover positioned at the top of the storage tank and an ultrasonic vibrator fixed on the front side of the storage tank; a fixing plate is arranged between the storage tank and the tank cover, a plurality of groups of filter elements are arranged at the bottom of the fixing plate, and vent pipes with air passing holes are arranged in the centers of the filter elements; an air exhaust bin is arranged in the tank cover, an air inlet is arranged on the side surface of the air exhaust bin, and the air exhaust bin is connected with an air pipe through a pipeline; the top of the air extraction bin is provided with a turbine bin for placing a turbine, and the turbine is driven to rotate by a motor arranged at the top of the air extraction bin; the storage tank is internally provided with a storage bin, and the side surface of the storage tank is provided with a suction port communicated with the storage bin.
Preferably, the storage tank is connected with the tank cover through a hinge and is tightly sealed with the tank cover through a hasp arranged on the outer side of the tank body; the fixed plate is arranged between the storage tank and the tank cover through a sealing ring arranged on the side surface of the fixed plate.
Preferably, the fixing plate is embedded in the sealing ring, a plurality of groups of openings are equidistantly arranged on the fixing plate, and the filter openings of the filter element face the openings.
Preferably, the filter element comprises an upper fixing cover, a bottom cover, a membrane-covered cloth bag filter layer and a framework, the membrane-covered cloth bag filter layer is fixed between the upper fixing cover and the bottom cover, and the membrane-covered cloth bag filter layer is arranged in a Z shape; the framework is arranged on the inner side of the filtering layer of the membrane-covered cloth bag.
Preferably, the side of the vent pipe arranged in the filter element is equidistantly provided with a plurality of groups of air passing holes which are trumpet-shaped.
Preferably, an air outlet arranged on the control cabinet is connected with the air inlet through a detachable hose.
Preferably, the bottom of the storage tank is provided with a support, and the interior of the storage tank is provided with a discharge hole communicated with the storage bin.
Preferably, the motor is arranged in a motor bin of the tank cover, and a plurality of groups of exhaust ports are arranged on the side face of the tank cover and are located on the side face of the motor bin.
Preferably, the gas extraction bin is communicated with the center of the turbine bin through a horn-shaped opening, and the opening is formed in a cover body at the top of the gas extraction bin.
Compared with the prior art, the invention has the beneficial effects that:
according to the automatic dust removal suction machine provided by the invention, the air inlet is connected with the vent pipe with the air passing holes arranged in the filter element through the pipeline, so that the back blowing distance is greatly reduced, and the horn-shaped air passing holes are distributed in the vent pipe at equal intervals, so that powder adsorbed on the filter element is efficiently cleaned in the cleaning process.
According to the automatic dust removal suction machine provided by the invention, the ultrasonic vibrator is arranged on the tank body, and the powder adsorbed on the filter element is quickly dropped off by adopting high-frequency vibration while back blowing is carried out, so that the effect of cleaning the powder adsorbed on the filter element is greatly improved.
The suction machine adopts an integrated structural design, optimizes the mechanical structure of the device in the prior art, greatly shortens the distance for extracting air, effectively accelerates the material conveying speed and can reduce the power of a negative pressure fan pump.
The invention has simple structure and simple implementation, prevents the filter device from being blocked and improves the production efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic front structural view of the suction machine of the present invention.
Fig. 2 is a schematic view of the internal structure of the suction machine of the present invention.
Fig. 3 is a schematic view of a filter element structure of the invention.
FIG. 4 is an enlarged view of the structure at A of the present invention.
FIG. 5 is an enlarged view of the structure at B of the present invention.
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. 1-5, the present invention provides a technical solution:
an integrated automatic dust removal suction machine comprises a suction machine body and a control cabinet 3;
as shown in fig. 1-2, the suction machine body comprises a storage tank 2, a tank cover 1 positioned at the top of the storage tank 2, and an ultrasonic vibrator 22 fixed at the front side of the storage tank 2; a fixing plate 61 is arranged between the material storage tank 2 and the tank cover 1, a plurality of groups of filter elements 6 are arranged at the bottom of the fixing plate 61, and vent pipes 72 with air passing holes 73 are arranged in the centers of the filter elements 6; an air pumping bin 12 is arranged in the tank cover 1, an air inlet 7 is arranged on the side surface of the air pumping bin 12, and the air pumping bin is connected with an air pipe 72 through a pipeline 71; the top of the air extraction bin 12 is provided with a turbine bin 11 for placing a turbine 81, and the turbine 81 is driven to rotate by a motor 8 arranged at the top of the air extraction bin; a storage bin 23 is arranged in the storage tank 2, and a material suction port 21 communicated with the storage bin 23 is arranged on the side surface of the storage tank.
The working process is as follows: the motor 8 drives the turbine 81 to rotate, the air extraction bin 12 generates suction force, negative air pressure is formed in the storage bin 23 communicated with the air extraction bin 12, the mixture of the materials and the air is sucked into the storage tank 2 from the suction port, and most of the materials fall into the storage tank 2 and are discharged from the discharge port 21.
The suction machine adopts an integrated structural design, optimizes the mechanical structure of the device in the prior art, greatly shortens the distance for extracting air, effectively accelerates the material conveying speed and simultaneously can reduce the power of a negative pressure fan pump; the invention has simple structure and simple implementation, prevents the filter device from being blocked and improves the production efficiency.
As shown in fig. 3-5, the storage tank 2 is connected with the tank cover 1 through a hinge 51, and is tightly closed with the tank cover 1 through a hasp 5 arranged on the outer side of the tank body 24; the fixing plate 61 is arranged between the material storage tank 2 and the tank cover 1 through a sealing ring 62 arranged on the side surface of the fixing plate; the fixed plate 61 is embedded in the sealing ring 62, a plurality of groups of openings are equidistantly arranged on the fixed plate 61, and the filtering openings arranged on the filter element 6 are opposite to the openings; the filter element 6 comprises an upper fixing cover 66, a bottom cover 65, a film-coated cloth bag filtering layer 63 and a framework 64, wherein the film-coated cloth bag filtering layer 63 is fixed between the upper fixing cover 66 and the bottom cover 65, and the film-coated cloth bag filtering layer 63 is arranged in a Z shape; the framework 64 is arranged at the inner side of the membrane cloth bag filtering layer 63; a plurality of groups of air passing holes 73 are equidistantly arranged on the side surface of the vent pipe 72 arranged in the filter element 6, and the air passing holes 73 are trumpet-shaped.
In the embodiment, a plurality of filter elements 6 are arranged, and the membrane-covered cloth bag filter layer 63 arranged on each filter element 6 is arranged in a Z shape; the filtering efficiency of the filter element is greatly improved; the top of the air extraction bin 12 is provided with a turbine bin 11 for placing a turbine 81, and the turbine 81 is driven to rotate by a motor 8 arranged at the top of the air extraction bin; the gas extraction bin 12 is communicated with the center of the turbine bin 11 through a horn-shaped opening, and the opening is arranged on a cover body 13 at the top of the gas extraction bin 12; the suction machine adopts an integrated structural design, optimizes the mechanical structure of the device in the prior art, greatly shortens the distance for extracting air, effectively accelerates the material conveying speed and can reduce the power of the negative pressure fan pump.
Feeding: the motor 8 drives the turbine 81 to rotate, the air extraction bin 12 generates suction force, negative air pressure is formed in the storage bin 23 communicated with the air extraction bin 12, the mixture of the materials and the air is sucked into the storage tank 2 from the suction port, and most of the materials fall into the storage tank 2 and are discharged from the discharge port 21; air is discharged outwards through the filter element 6, and part of the raised materials are adsorbed on the filter element 6.
Wherein, the automatic dust removal auto sucking machine in this embodiment is equipped with ultrasonic vibrator 22 on jar body 2, and in the blowback gas, adopt the vibrations of high frequency to drop absorbent powder on the filter core 6 fast, has improved the absorbent powder effect on the clearance filter core greatly.
Cleaning: as shown in fig. 2, the air outlet of the control cabinet 3 is connected with the air inlet 7 through a detachable hose 31; a gas storage tank arranged in the control cabinet 3 rapidly blows high-pressure gas into a vent pipe 72 communicated with the gas inlet 7 through a pulse valve, and the back-blowing pulse type high-pressure gas in the filter element 6 is caused to generate strong vibration, so that materials adsorbed on the filter element 6 are completely fallen off; in the process, the ultrasonic vibrator 22 adopts high-frequency vibration to rapidly drop the powder adsorbed on the filter element 6, so that the effect of cleaning the powder adsorbed on the filter element is further improved; the pressure in the air tank, the switching frequency of the pulse valve, and the vibration frequency of the ultrasonic vibrator 22 may be adjusted according to the condition of the material.
Therefore, the automatic dust removal suction machine provided by the invention greatly improves the conveying efficiency; there is no clogging of the filter cartridge 6 due to frequent activation of the device.
According to the automatic dust removal suction machine provided by the invention, the feeding hole 1010 is directly arranged on the storage tank 10, and the distance between the feeding hole 1010 and the filter is increased, so that the sucked material directly enters the storage tank 10, and the excessive adsorption of the material on the filter is reduced; the invention optimizes the mechanical device in the prior art, removes the material receiving tank 26 and the switch valve, reduces mechanical actions, reduces mechanical faults and ensures simple and convenient operation.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (9)

1. An integrated automatic dust removal suction machine comprises a suction machine body and a control cabinet (3); the method is characterized in that: the suction machine body comprises a storage tank (2), a tank cover (1) positioned at the top of the storage tank (2) and an ultrasonic vibrator (22) fixed on the front side of the storage tank (2); a fixing plate (61) is arranged between the storage tank (2) and the tank cover (1), a plurality of groups of filter elements (6) are arranged at the bottom of the fixing plate (61), and vent pipes (72) with vent holes (73) are arranged in the centers of the filter elements (6); an air pumping bin (12) is arranged in the tank cover (1), an air inlet (7) is formed in the side face of the air pumping bin (12), and the air pumping bin is connected with an air pipe (72) through a pipeline (71); the top of the air extraction bin (12) is provided with a turbine bin (11) for placing a turbine (81), and the turbine (81) is driven to rotate by a motor (8) arranged at the top of the air extraction bin; a storage bin (23) is arranged in the storage tank (2), and a suction port (21) communicated with the storage bin (23) is arranged on the side surface of the storage tank.
2. The integrated automatic dust removal suction machine according to claim 1, characterized in that: the material storage tank (2) is connected with the tank cover (1) through a hinge (51) and tightly closed with the tank cover (1) through a hasp (5) arranged on the outer side of the tank body (24); the fixing plate (61) is arranged between the storage tank (2) and the tank cover (1) through a sealing ring (62) arranged on the side surface of the fixing plate.
3. The automatic dust removal auto sucking machine of claim 2, characterized in that: the fixing plate (61) is embedded in the sealing ring (62), a plurality of groups of openings are equidistantly arranged on the fixing plate (61), and the filter openings of the filter element (6) are opposite to the openings.
4. The integrated automatic dust removal suction machine according to claim 3, characterized in that: the filter element (6) comprises an upper fixing cover (66), a bottom cover (65), a tectorial membrane cloth bag filter layer (63) and a framework (64), the tectorial membrane cloth bag filter layer (63) is fixed between the upper fixing cover (66) and the bottom cover (65), and the tectorial membrane cloth bag filter layer (63) is arranged in a Z shape; the framework (64) is arranged on the inner side of the membrane covered cloth bag filter layer (63).
5. The integrated automatic dust removal suction machine as claimed in claim 4, wherein: the side of a vent pipe (72) arranged in the filter element (6) is equidistantly provided with a plurality of groups of air passing holes (73), and the air passing holes (73) are trumpet-shaped.
6. The integrated automatic dust removal suction machine according to claim 1, characterized in that: an air outlet arranged on the control cabinet (3) is connected with the air inlet (7) through a detachable hose (31).
7. The integrated automatic dust removal suction machine according to claim 1, characterized in that: the bottom of the storage tank (2) is provided with a support (4), and the interior of the storage tank is provided with a discharge hole (21) communicated with the storage bin (23).
8. The integrated automatic dust removal suction machine according to claim 1, characterized in that: the motor (8) is arranged in a motor cabin of the tank cover (1), and a plurality of groups of exhaust ports are arranged on the side face of the tank cover (1) and are located on the side face of the motor cabin.
9. The integrated automatic dust removal suction machine according to claim 1, characterized in that: the gas extraction bin (12) is communicated with the center of the turbine bin (11) through a horn-shaped opening, and the opening is formed in a cover body (13) at the top of the gas extraction bin (12).
CN202110733865.9A 2021-06-30 2021-06-30 Automatic auto-dust removal auto-suction machine of integral type Pending CN113599913A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110733865.9A CN113599913A (en) 2021-06-30 2021-06-30 Automatic auto-dust removal auto-suction machine of integral type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110733865.9A CN113599913A (en) 2021-06-30 2021-06-30 Automatic auto-dust removal auto-suction machine of integral type

Publications (1)

Publication Number Publication Date
CN113599913A true CN113599913A (en) 2021-11-05

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Application Number Title Priority Date Filing Date
CN202110733865.9A Pending CN113599913A (en) 2021-06-30 2021-06-30 Automatic auto-dust removal auto-suction machine of integral type

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100212500A1 (en) * 2007-09-04 2010-08-26 Martin Gross Filter arrangement for cleaning process gases contaminated with particles and process for cleaning filter units of such a filter arrangement
WO2013056378A1 (en) * 2011-10-20 2013-04-25 Tevely Mark Method and apparatus for cleaning diesel particulate filters
CN203143698U (en) * 2013-03-25 2013-08-21 深圳市杰维工业设备有限公司 Efficient vacuum loading machine
CN205574724U (en) * 2016-04-15 2016-09-14 北京易加三维科技有限公司 Material loading machine with pipeline blowback structure
WO2017092758A1 (en) * 2015-12-03 2017-06-08 Gea Process Engineering A/S Powder drying system with improved filter unit cleaning arrangement and method for cleaning the system
CN107185283A (en) * 2017-07-01 2017-09-22 上海谷奇核孔膜材料科技有限公司 Liquid precise filter
CN108355411A (en) * 2018-03-09 2018-08-03 江苏创新环境工程有限公司 A kind of industrial organic exhaust gas ultrasound dedusting drying device
CN213444820U (en) * 2020-09-21 2021-06-15 汕头市潮南区振业实业有限公司 Automatic anhydrous sodium sulphate dry powder conveying system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100212500A1 (en) * 2007-09-04 2010-08-26 Martin Gross Filter arrangement for cleaning process gases contaminated with particles and process for cleaning filter units of such a filter arrangement
WO2013056378A1 (en) * 2011-10-20 2013-04-25 Tevely Mark Method and apparatus for cleaning diesel particulate filters
CN203143698U (en) * 2013-03-25 2013-08-21 深圳市杰维工业设备有限公司 Efficient vacuum loading machine
WO2017092758A1 (en) * 2015-12-03 2017-06-08 Gea Process Engineering A/S Powder drying system with improved filter unit cleaning arrangement and method for cleaning the system
CN205574724U (en) * 2016-04-15 2016-09-14 北京易加三维科技有限公司 Material loading machine with pipeline blowback structure
CN107185283A (en) * 2017-07-01 2017-09-22 上海谷奇核孔膜材料科技有限公司 Liquid precise filter
CN108355411A (en) * 2018-03-09 2018-08-03 江苏创新环境工程有限公司 A kind of industrial organic exhaust gas ultrasound dedusting drying device
CN213444820U (en) * 2020-09-21 2021-06-15 汕头市潮南区振业实业有限公司 Automatic anhydrous sodium sulphate dry powder conveying system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
岳涛: "《工业锅炉大气污染控制技术与应用》", 30 November 2006 *
张强: "《燃料设备检修》", 31 December 2004 *

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Application publication date: 20211105

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