CN101376122B - Magnetic dust-cleaning equipment - Google Patents
Magnetic dust-cleaning equipment Download PDFInfo
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- CN101376122B CN101376122B CN2008102239609A CN200810223960A CN101376122B CN 101376122 B CN101376122 B CN 101376122B CN 2008102239609 A CN2008102239609 A CN 2008102239609A CN 200810223960 A CN200810223960 A CN 200810223960A CN 101376122 B CN101376122 B CN 101376122B
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Abstract
A magnetic dust remover is characterized in that the dust remover comprises at least two sets of dust-collecting devices, and each set of the dust-collecting device is composed of a housing, a group of magnetic force sticks of a permanent magnet, a driving device for the magnetic force sticks, an electric control system, and a sound wave vibrator and/or an air hammer, wherein the housing is provided with a group of cylinders spanning the inner cavity of the housing between a to-be-treated air inlet and a treated air outlet, and both two ends of each cylinder are hermetically bonded with the side wall of a work room; each magnetic force stick is corresponding to each cylinder; the driving device for the magnetic force sticks drives the magnetic force sticks of the permanent magnet to insert into or remove out of magnetic force stick isolation sleeves; the electric control system opens a set of the dust-collecting device and closes the other dust-collecting device simultaneously; and the sound wave vibrator and/or the air hammer acts on the housings of the dust-collecting devices in a dust-removing state. By using the magnetic dust remover, the service life of filter materials is prolonged, the automatic collection is realized through on-line work of the dust-collecting devices, and the separate collection of ultra fines can be realized.
Description
Technical field
The present invention relates to a kind of magnetic dust-cleaning equipment, it is used for the crushing process of sintered NdFeB, carry out the gas preliminary treatment before being connected in the filter plant of air-flow disintegrating apparatus, utilize magnetic field to remove magnetic dust in the air-flow, thereby prolong the service life of filter material in the filter plant.
Background technology
In the crushing process of sintered NdFeB, have one fluidized bed airflow to pulverize (abbreviation airflow milling) operation, its equipment that adopts comprises successively: compressor, air accumulator, air conditioner, fluid bed mill chamber, cyclone separator, filter, trash receptacle, finished barrel and switch board.Wherein, adopt filter to remove superfines in the air-flow, in order to avoid powder enters compressor, and filter adopts recoiling device to be adsorbed on to come in the trash receptacle under the superfines blowback on the filtering material and collects.Domestic airflow milling mostly adopts the 1-2 level to filter.
But, because the interior filter material of the filter that uses all is general filter material now, can not adapt to the great environment of dust content in the airflow milling, filter material is very low service life; Because pressure differential becomes big before and after causing filter after filter material is partly stopped up by superfine powder, and then reduces the efficient of airflow milling, needs often to change filter material, this just is difficult to eliminate the operation that therefore influences equipment.Because the spontaneous combustion extremely easily of NdFeB material superfine powder is frequently changed filter material and is caused security incident easily.
Summary of the invention
The purpose of this invention is to provide a kind of magnetic dust-cleaning equipment, its dust collecting makes the superfine powder in the airflow milling overwhelming majority to be removed, thereby significantly reduces the superfine powder that enters filter, thereby prolongs the service life of filter material in the filter.
Further purpose of the present invention provides a kind of magnetic dust-cleaning equipment, and its dust collecting works online, and realizes collection automatically, and does not influence the service efficiency of equipment.
Further purpose of the present invention provides a kind of magnetic dust-cleaning equipment, and its dust collecting can be realized the categorised collection of superfine powder, for use, and not can with filter in like that, the mix dust of various prescriptions is together.
For this reason, the invention provides a kind of magnetic dust-cleaning equipment, it is characterized in that, this magnetic dust-cleaning equipment comprises at least two cover dust collectings, every cover dust collecting comprises: a housing, this housing is at pending gas air inlet and handle between the gas outlet of back and have one group of cylinder across this housing inner chamber, the two ends of each cylinder all with the sidewall sealed engagement of operating room; One group of permanent magnet magnetic force rod, every magnetic bar is all corresponding to a described cylinder, and has the magnetic bar shell of making by non-magnetic material, this enclosure is held the several piece permanent-magnet material, all be provided with a pure iron between per two blocks of permanent-magnet materials, the Surface field intensity of every magnetic bar is 1000～9000 Gausses; The magnetic bar drive unit, it drives the permanent magnet magnetic force rod and inserts or shift out described magnetic bar separation sleeve; Electric control system, this electric control system are opened a wherein cover dust collecting, close all the other dust collectings simultaneously; And sound wave vibrator and/or pneumatic hammer, it acts on the housing of the described dust collecting under the dedusting state.
Preferably, described magnetic bar drive unit comprises a frame and the straight-line guide pillar guide pin bushing of this frame of maintenance mechanism, and a side of this frame is connected with the piston rod of a cylinder, and an other side is installed with described one group of permanent magnet magnetic force rod.
Preferably, described magnetic bar drive unit have the indication magnetic dust-cleaning equipment the dedusting duty near switch and indication deduster for remove accumulated powder and the state that quits work near switch.
Preferably, described electric control system comprises: working time detection of end parts, and its working time of detecting a dust collecting finishes; The dedusting duty changes parts, and it becomes the another one dust collecting into the dedusting duty; The valve open parts, it starts working described another one dust collecting; The valve closing parts, it quits work a described dust collecting; Clear long-pending duty changes parts, and it becomes a described dust collecting removes accumulated powder and out-of-work duty; And sound wave vibrator and pneumatic hammer driver part, it starts the operation of removing magnetic.
According to a further aspect of the invention, a kind of fluidized bed airflow crushing system of sintered NdFeB is provided, at least comprise: compressor, air accumulator, air conditioner, fluid bed mill chamber, cyclone separator and filter, it is characterized in that, between described cyclone separator and described filter, be provided with described magnetic dust-cleaning equipment.
According to magnetic dust-cleaning equipment of the present invention, its dust collecting makes the superfine powder in the airflow milling overwhelming majority to be removed, thereby significantly reduces the superfine powder that enters filter, thereby prolongs the service life of filter material in the filter.
Particularly, its dust collecting works online, and realizes collection automatically, and does not influence the service efficiency of equipment.
Particularly, its dust collecting can be realized the categorised collection of superfine powder, concerning magnetic material producer, gather materials on the spot for use again, and not can with filter in like that, be adsorbed on owing to powder make on the filter material of filter various prescriptions mix dust together.
According to magnetic dust-cleaning equipment of the present invention, adopt the magnetic dedusting, operating cost is low, and generally do not need to change accessory, and removed most dust, thus the life-span of having improved back level filter greatly.
Description of drawings
Fig. 1 is the magnetic bar structural representation according to magnetic dust-cleaning equipment of the present invention;
Fig. 2 is the dedusting working state schematic representation according to magnetic dust-cleaning equipment of the present invention;
Fig. 3 is the schematic diagram according to the removing accumulated powder of magnetic dust-cleaning equipment of the present invention and the state that quits work;
Fig. 4 is the principle schematic according to the fluidized bed air flow crusher system of magnetic dust-cleaning equipment of the present invention.
The specific embodiment
Magnetic dust-cleaning equipment according to the present invention comprises at least two cover dust collectings, and every cover dust collecting comprises the magnetic bar separation sleeve of one group of corresponding cylindrical shape on one group of permanent magnet magnetic force rod, the deduster housing and can make the permanent magnet magnetic force rod insert or shift out the magnetic bar drive unit of magnetic bar separation sleeve.
As shown in Figure 1, every magnetic bar comprises magnetic bar shell 21, permanent-magnet material 22, pure iron of being made by non-magnetic material 23 and the connecting rod 24 of being with connecting thread 25.The big I of its Surface field is accomplished 1000～9000 Gausses as requested.
Shown in Fig. 2 and 3, comprise operating room 41, columnar magnetic bar separation sleeve 42, hopper 43, pending gas air inlet 44 in the deduster housing 47, handle back gas outlet 45, magnetic bar frame fixed head 46 and powder discharging opening 48.Magnetic bar separation sleeve 42 is made by non-magnet_conductible material, can require to select the density and the quantity of arrangement according to different dedustings.Magnetic bar separation sleeve 42 makes magnetic bar separation sleeve 42 inner chambers can not be communicated with operating room 41 across the operating room 41 of deduster housing 47, makes magnetic bar 54 isolated with operating room 41.
The magnetic bar drive unit comprise at least a cylinder 31, piston rod 30, frame 32, shell 34, indication deduster for remove the accumulated powder and the state that quits work near switch 36 and indication deduster be the dedusting duty near switch 37.
As shown in Figure 2, magnetic dust-cleaning equipment is under the dedusting duty, and magnetic bar 54 is under the driving of cylinder 31 in the separation sleeve 42, indicates dedusters at the dedusting state near switch 37.
As shown in Figure 3, magnetic dust-cleaning equipment is being removed under accumulated powder and the out-of-work duty, and magnetic bar 54 leaves separation sleeve 42 fully under the driving of cylinder 31, indicates dedusters at non-dedusting state near switch 36.
According to the present invention, as shown in Figure 4, the airflow milling technology of sintered NdFeB adopts container 63 and 64, filter 6, trash receptacle 8, finished barrel 9 and the switch board 7 of compressor 1, air accumulator 2, air conditioner 3, fluid bed mill chamber 4, cyclone separator 5, the dust collecting 61 and 62 that is used alternatingly, collection powder successively.
In use, wherein a cover dust collecting 61 is in duty as shown in Figure 2, and the valve 66 of its front is in opening under the driving of cylinder and magnetic valve 67, at this moment position indicating switch 65 indication valve openings.And another set of dust collecting 62 is in the state of removing accumulated powder as shown in Figure 3, and the valve 69 of its front is in closed condition under the driving of cylinder and magnetic valve 70, and position indicating switch 68 shows valve closings at this moment.
As shown in Figure 4, when detecting 61 working times of dust collecting in the device program running when finishing: the first step: dust collecting 62 is at first changed into duty dedusting duty as shown in Figure 2.Second step: the anhydrous compressed air of 0.4-0.5MPa is opened the valve 69 of its front as shown by arrow I by the driving of magnetic valve and cylinder 70, and position indicating switch 68 shows valve opens at this moment, and magnetic dust-cleaning equipment 62 is started working.The 3rd step: close the valve 66 of its front under the driving of cylinder and magnetic valve 67, position indicating switch 65 shows valve closings at this moment, and dust collecting 61 stops dedusting work.The 4th step: dust collecting 61 is changed into as shown in Figure 3 removing accumulated powder and out-of-work duty with duty.The 5th step: under the effect of sound wave vibrator 91 (for example using) and pneumatic hammer 92 (for example using), realize removing to magnetic on the separation sleeve 42 in the side of deduster in the exit of deduster.The 6th step: dust collecting 61 is out of service, the wait routine instruction.
In like manner, in the device program running, detect 62 working times of dust collecting when finishing, dust collecting 62 is switched to dust collecting 61.
Can be adsorbed on the filter material of filter because the dust-cleaning principle of filter is a dust, cause various powders to mix, and magnetic dust-cleaning equipment can not have the phenomenon of absorption to the categorised collection of every kind of material.
Claims (8)
1. a magnetic dust-cleaning equipment is characterized in that, this magnetic dust-cleaning equipment comprises at least two cover dust collectings, and every cover dust collecting comprises:
One housing, this housing are at pending gas air inlet and handle between the gas outlet of back and have one group of cylinder across this housing inner chamber, the two ends of each cylinder all with the sidewall sealed engagement of operating room;
One group of permanent magnet magnetic force rod, every magnetic bar is all corresponding to a described cylinder, and has the magnetic bar shell of making by non-magnetic material, this enclosure is held the several piece permanent-magnet material, all be provided with a pure iron between per two blocks of permanent-magnet materials, the Surface field intensity of every magnetic bar is 1000～9000 Gausses;
The magnetic bar drive unit, it drives the permanent magnet magnetic force rod and inserts or shift out described magnetic bar separation sleeve;
Electric control system, this electric control system are opened a wherein cover dust collecting, close all the other dust collectings simultaneously; And
Sound wave vibrator and/or pneumatic hammer, it acts on the described housing of the dust collecting under the dedusting state.
2. magnetic dust-cleaning equipment as claimed in claim 1, it is characterized in that, described magnetic bar drive unit comprises a frame and the straight-line guide pillar guide pin bushing of this frame of maintenance mechanism, and a side of this frame is connected with the piston rod of a cylinder, and an other side is installed with described one group of permanent magnet magnetic force rod.
3. magnetic dust-cleaning equipment as claimed in claim 2 is characterized in that, described magnetic bar drive unit have the indication magnetic dust-cleaning equipment the dedusting duty near switch and indication deduster for remove accumulated powder and the state that quits work near switch.
4. magnetic dust-cleaning equipment as claimed in claim 1 is characterized in that, described electric control system comprises:
Working time detection of end parts, its working time of detecting a dust collecting finishes;
The dedusting duty changes parts, and it becomes the another one dust collecting into the dedusting duty;
The valve open parts, it starts working described another one dust collecting;
The valve closing parts, it quits work a described dust collecting;
Clear long-pending duty changes parts, and it becomes a described dust collecting removes accumulated powder and out-of-work duty; And
The driver part of sound wave vibrator and/or pneumatic hammer, it starts the operation of removing magnetic.
5. the fluidized bed airflow crushing system of a sintered NdFeB comprises at least: compressor, air accumulator, air conditioner, fluid bed mill chamber, cyclone separator and filter, it is characterized in that,
Be provided with magnetic dust-cleaning equipment between described cyclone separator and described filter, this magnetic dust-cleaning equipment comprises at least two cover dust collectings,
Every cover dust collecting comprises: a housing, this housing are at pending gas air inlet and handle between the gas outlet of back and have one group of cylinder across this housing inner chamber, the two ends of each cylinder all with the sidewall sealed engagement of operating room; One group of permanent magnet magnetic force rod, every magnetic bar is all corresponding to a described cylinder, and has the magnetic bar shell of making by non-magnetic material, this enclosure is held the several piece permanent-magnet material, all be provided with a pure iron between per two blocks of permanent-magnet materials, the Surface field intensity of every magnetic bar is 1000～9000 Gausses; The magnetic bar drive unit, it drives the permanent magnet magnetic force rod and inserts or shift out described magnetic bar separation sleeve; Electric control system, this electric control system are opened a wherein cover dust collecting, close all the other dust collectings simultaneously; And sound wave vibrator and/or pneumatic hammer, it acts on the described housing of the dust collecting under the dedusting state.
6. the fluidized bed airflow crushing system of sintered NdFeB as claimed in claim 5, it is characterized in that, described magnetic bar drive unit comprises a frame and keeps the straight-line guide pillar guide pin bushing of this frame mechanism, one side of this frame is connected with the piston rod of a cylinder, and an other side is installed with described one group of permanent magnet magnetic force rod.
7. the fluidized bed airflow crushing system of sintered NdFeB as claimed in claim 5, it is characterized in that, described magnetic bar drive unit have the indication magnetic dust-cleaning equipment the dedusting duty near switch and indication deduster for remove accumulated powder and the state that quits work near switch.
8. the fluidized bed airflow crushing system of sintered NdFeB as claimed in claim 5 is characterized in that, described electric control system comprises: working time detection of end parts, and its working time of detecting a dust collecting finishes; The dedusting duty changes parts, and it becomes the another one dust collecting into the dedusting duty; The valve open parts, it starts working described another one dust collecting; The valve closing parts, it quits work a described dust collecting; Clear long-pending duty changes parts, and it becomes a described dust collecting removes accumulated powder and out-of-work duty; And the driver part of sound wave vibrator and/or pneumatic hammer, it starts the operation of removing magnetic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102239609A CN101376122B (en) | 2008-10-13 | 2008-10-13 | Magnetic dust-cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102239609A CN101376122B (en) | 2008-10-13 | 2008-10-13 | Magnetic dust-cleaning equipment |
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| CN101376122A CN101376122A (en) | 2009-03-04 |
| CN101376122B true CN101376122B (en) | 2010-06-09 |
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| CN2008102239609A Active CN101376122B (en) | 2008-10-13 | 2008-10-13 | Magnetic dust-cleaning equipment |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530827B (en) * | 2009-04-12 | 2011-04-13 | 赵尚武 | A dedusting method with magnetic force |
| CN102350166B (en) * | 2011-08-30 | 2014-03-12 | 北京二七轨道交通装备有限责任公司 | Air filter system and steel rail grinding train |
| CN104998510B (en) * | 2015-08-11 | 2017-04-12 | 东北大学 | Removing device and method for inhalable particles and fine particles in flue gas |
| CN105396408A (en) * | 2015-11-27 | 2016-03-16 | 国家电网公司 | PM2.5 (fine particulate matter) removal system for thermal power plant |
| CN106622645B (en) * | 2017-01-17 | 2018-02-06 | 西华大学 | A kind of low energy consumption magnetic-type charged particle retracting device |
| CN107237592B (en) * | 2017-06-14 | 2018-11-27 | 东北大学 | A kind of shutter air cleaning unit |
| CN111939656A (en) * | 2020-04-10 | 2020-11-17 | 中磁科技股份有限公司 | Automatic control system of filtering device |
| CN112871450B (en) * | 2020-12-24 | 2023-01-03 | 和也健康科技有限公司 | Air purification magnetic device |
| CN113182071B (en) * | 2021-06-30 | 2021-09-21 | 潍坊胜达工程技术有限公司 | Dry powder type permanent magnet iron remover and automatic control system thereof |
| CN115876571B (en) * | 2022-12-28 | 2023-06-06 | 北京城建勘测设计研究院有限责任公司 | Rock hardness detection device for geological exploration |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089836U (en) * | 1991-01-24 | 1991-12-04 | 余厚德 | Magnetic filter frame |
| US5657876A (en) * | 1994-03-21 | 1997-08-19 | Pct, Inc. | Abrasive grit material recovery system |
| CN1520934A (en) * | 2003-01-28 | 2004-08-18 | 姚福来 | Magnetic field dust cleaning apparatus |
-
2008
- 2008-10-13 CN CN2008102239609A patent/CN101376122B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089836U (en) * | 1991-01-24 | 1991-12-04 | 余厚德 | Magnetic filter frame |
| US5657876A (en) * | 1994-03-21 | 1997-08-19 | Pct, Inc. | Abrasive grit material recovery system |
| CN1520934A (en) * | 2003-01-28 | 2004-08-18 | 姚福来 | Magnetic field dust cleaning apparatus |
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| CN101376122A (en) | 2009-03-04 |
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