CN202316114U - Built-in type magnetic separation pressure filtration dehydrator - Google Patents
Built-in type magnetic separation pressure filtration dehydrator Download PDFInfo
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- CN202316114U CN202316114U CN2011204971675U CN201120497167U CN202316114U CN 202316114 U CN202316114 U CN 202316114U CN 2011204971675 U CN2011204971675 U CN 2011204971675U CN 201120497167 U CN201120497167 U CN 201120497167U CN 202316114 U CN202316114 U CN 202316114U
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- magnetic
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- slag
- inside groove
- magnetic cylinder
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- 238000007885 magnetic separation Methods 0.000 title abstract description 7
- 238000011085 pressure filtration Methods 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000002893 slag Substances 0.000 claims abstract description 50
- 238000003825 pressing Methods 0.000 claims description 14
- 239000003818 cinder Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000009738 saturating Methods 0.000 abstract 1
- 238000007790 scraping Methods 0.000 abstract 1
- 208000005156 Dehydration Diseases 0.000 description 14
- 230000018044 dehydration Effects 0.000 description 14
- 238000006297 dehydration reaction Methods 0.000 description 14
- 238000001914 filtration Methods 0.000 description 11
- 230000008719 thickening Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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Abstract
The utility model relates to a device used for separating, concentrating and dehydrating magnetic slag water or aqueous magnetic material, in particular to a built-in type magnetic separation pressure filtration dehydrator, which comprises a rack, a motor reducing gear, a coupler, a bearing seat, an external groove, a magnetic field inward emission magnetic barrel, an internal groove, a press roll, a slag scraping board, a slag conveying belt, a material inlet, a drain pipe and the like, and is characterized in that a pressure filtration cartridge is arranged in a magnetic barrel, and a magnetic field is emitted inwards. The utility model effectively solves the problems of squeezing water and follow-up slag mixing and saturating, multistage squeezing is realized on one magnetic barrel, and the water content of outlet slag is low; and simultaneously, the device has strong impact load resisting capacity, and site pollution caused by overflowing does not occur easily when the amount of slag water is changed. The technical scheme and the device, provided by the utility model, can be widely used for separating, concentrating and dehydrating aqueous magnetic slag or magnetic material in the fields of metallurgy, machining, ore dressing and the like, the water content of the outlet slag is low, the investment is saved, the occupied area is small, and the dehydrator is operated at low energy consumption.
Description
Technical field
The utility model relates to a kind of magnetic separation dehydration equipment, and especially a kind of embedded magnetic separates filter pressing dehydrator, utilizes magnetic force that magnetic pulp water or magnetic material are separated thickening, belongs to magnetic separation dehydration technique field.
Background technology
Aspect ore deposit choosing and dense media coal washing, the drum-type magnetic plant is adopted in the sorting of magnetic material, thickening more.In recent years both at home and abroad in Industrial Wastewater Treatment such as metallurgical waste water, machined waste water, the magnetically separating and purifying technology also is applied; Simultaneously, magnetic force squeezing thickening technology is also in development.Obviously; Utilize magnetic separation technique that moisture magnetic pulp water or magnetic material are separated thickening, have more specific aim, can realize continuous operation compared with technology such as traditional plate compression, belt press filtration, centrifugal dehydrations; Reduce floor space; Reduce investment, operating cost, reduce energy consumption, so the magnetic separation dehydration technique has bright development prospect.
Existing magnetic separation thickening equipment utilizes the magnetic tube that magnetic slag is adsorbed on the magnetic cylinder surface, and along with the rotation of magnetic cylinder, the pressure roller that is arranged at the magnetic cylinder top is magnetic cylinder surface slag extrusion dehydration, scrapes from magnetic cylinder surperficial with the scraper plate slag that will dewater then.This kind equipment leans on magnetic force that magnetic pulp water or magnetic material are separated thickening, has effectively utilized the magnetic characteristics of pending thing itself, than the thickening technology occupation of land of routine lack, invest low, operation maintenance is simple, energy consumption is low.But existing magnetic force thickening technology mainly is that dehydration equipment is pressed in the magnetic roll-in, and weak point is: launch outside tube in magnetic cylinder magnetic field, and magnetic slag is attracted to the magnetic cylinder outer surface, and correspondingly, pressure roller and scum board all are arranged on the magnetic cylinder outer surface.The unfavorable effect that such structure is brought is; The water outlet of pressure roller and magnetic cylinder extruding can not in time be drained; Come slag to mix but return along the magnetic cylinder surface, as long as therefore have water to be forced out, even multistage magnetic cylinder squeezing is set with follow-up; It is to mix the crush zone that saturated state gets into pinch roller and magnetic cylinder with water, so to be difficult to make the moisture content of slagging tap to drop to desired level all the time that slag is come in each grade crush zone follow-up.This respect is different from belt filter press, thus the latter can with each time press filtration water in time discharge not with follow-up come slag to mix again so the moisture content of slagging tap low.The slag tap solution one of moisture content of existing reduction is the thrust that increases pressure roller, but the corresponding again short problem of pinch roller life-span of bringing of the increase of thrust; Perhaps adopt multistage magnetic roll-in to press, because the water problems of returning of each grade is difficult to overcome, it is still higher to extrude the slag moisture content, has also increased cost of investment simultaneously; The way of also useful increase magnetic field intensity, but this mainly is the slag-containing rate that has reduced water outlet, and the moisture content of slagging tap is not had obvious benefit, because the moisture content of slagging tap depends primarily on the squeezing effect.The magnetic force press dewatering practice for many years of metallurgy industry magnetic sludge also shows; Existing magnetic force press dewatering equipment; No matter be one pole magnetic roller or multistage magnetic roller, dehydrating effect is all undesirable, and the moisture content of slagging tap is all apparently higher than traditional plate compression, centrifugal dehydration etc.On the other hand, the magnetic cylinder two ends of existing magnetic force squeezing dewatering machine are all sealed and space, magnetic current road is little, and the equipment capacity of resisting impact load is very low, and the variation of pulp water amount is easy to cause overflow, causes device context to be polluted.
The utility model content
In order to overcome the deficiency of existing magnetic force press dewatering technology; The utility model provides a kind of equipment that magnetic pulp water or magnetic material are carried out thickening of being used for; Be that embedded magnetic separates filter pressing dehydrator; Significantly change extrude water because of can not in time draining so return with follow-up slag and mix saturated situation, the solution high difficult problem of moisture content of slagging tap; Inside groove is set simultaneously improves the equipment capacity of resisting impact load.The device of the utility model can be realized multistage squeezing on a magnetic cylinder, most of water that extrude at different levels can in time be drained, and the moisture content of slagging tap is low, and equipment investment cost is low; The equipment capacity of resisting impact load is strong simultaneously, is difficult for taking place overflow.
The utility model solves the technical scheme that its technical problem adopted:
A kind of embedded magnetic separates filter pressing dehydrator; Be used for the magnetic pulp water is carried out the equipment of separating and dehydrating; Comprise frame, be arranged on pole bracket, motor reducer, shaft coupling, bearing block, water jacket, magnetic cylinder, charging aperture, drainpipe on the frame; Said magnetic cylinder is positioned at water jacket, the support end axle of magnetic cylinder pass that water jacket one end is supported by bearing block and through shaft coupling by the motor reducer driven in rotation; Be provided with an inside groove in the magnetic cylinder lower inside, the inside groove upper edge is fixed on the pole bracket; Have at least a pressure roller to be built in the magnetic cylinder inside upper part and match with the magnetic cylinder inner cylinder that the pressure slag---the magnetic slag charge is adsorbed in the magnetic cylinder inner cylinder by magnetic force, cooperate by pressure roller and magnetic cylinder inner cylinder it is carried out extrusion dehydration;
Space between said magnetic cylinder inner cylinder and the inside groove outer cylinder constitutes the magnetic separating flow tract;
One scum board and magnetic cylinder inner cylinder lean and are arranged at the pressure roller rear along the magnetic cylinder rotation direction;
One be used for defeated slag defeated slag band be arranged at the scum board below.
Said magnetic cylinder bottom is provided with the magnetic cylinder support roller.
Optimum, said magnetic cylinder outer cylinder is the magnetic conduction steel plate, the magnetic cylinder inner cylinder is non-magnetic stainless steel plate; Gather to the magnetic cylinder center in the magnetic field of the magnet of arranging between magnetic cylinder inner cylinder and the magnetic cylinder outer cylinder.Further, said magnetic cylinder outer cylinder is the carbon steel sheet that thickness is not less than 5mm.
Further, said pressure roller is the filter cylinder that both ends of the surface are provided with treatment hole, can get in the filter cylinder and the treatment hole that is provided with from filter cylinder end discharge by the filter cylinder filtering layer through the water that pushes.
Further, said drainpipe is arranged at the inside groove bottom, and the entrance point of drainpipe passes inside groove one end and be connected with the magnetic separating flow tract, and the port of export of drainpipe passes the inside groove other end and further passes water jacket and is connected with frame; Charging aperture, water jacket, magnetic separating flow tract, drainpipe are connected successively.
Further, said interior trench bottom longitudinally is provided with the logical cinder notch of inside groove, and inside groove is communicated with the magnetic separating flow tract through the logical cinder notch of inside groove.
The utility model is achieved in that to the separation thickening process of magnetic thing the magnetic pulp water gets into water jacket from charging aperture; Get into the magnetic separating flow tract then; Magnetic slag is realized that by the absorption of the magnetic force of magnetic cylinder inner cylinder pulp water separates when in the magnetic separating flow tract, flowing; Water after the separation gets into drainpipe; Slag by magnetic cylinder inner cylinder absorption goes out liquid level with the magnetic cylinder rotating band, is scraped from the magnetic cylinder inner cylinder by scum board and falls on the defeated slag band and exported by pressure roller squeezing back; The squeeze water that pressure roller extruding magnetic slag charge is produced is most of to be dropped in the inside groove along pressure roller, and imports the magnetic separating flow tract through the logical cinder notch of inside groove.
In order further to improve the press dewatering effect; We can be designed with pressure roller the filter cylinder of filtering function; In the filter cylinder press dewatering; Wherein a part of water drops to inside groove through the cartridge exine following current, and another part water drops to inside groove in the filter cylinder filtering layer gets into filter cylinder and from the treatment hole of filter cylinder both ends of the surface setting, after the logical cinder notch of inside groove imports the magnetic separating flow tract.
Compare with existing magnetic force thickening equipment, the utility model has the advantages that:
(1), pressure roller is built in the magnetic cylinder pressure slag that matches with the magnetic cylinder inner cylinder, the most of suitable pressure roller of the water that squeezes out drops in the inside groove, thus can be not again with magnetic cylinder on follow-uply come that slag mixes, accumulation, saturated and influence the press dewatering effect.
(2), pressure roller can be provided with two or more; On a magnetic cylinder, just realized pressing dry step by step moisture in the slag; Making the moisture content of slagging tap very low, is the mode that on equipment cost or dehydrating effect, all significantly is superior to reducing with multistage magnetic cylinder the moisture content of slagging tap.
(3), being arranged so that when fluctuation takes place in charging of inside groove is difficult for taking place overflow because of inside groove has larger capacity.
In addition, compare with plate compression, the utility model has been realized continuous dehydration; Compare with the belt press filtration, the device fabrication cost of the utility model is low, operation maintenance is simple, and floor space is little; Compare with centrifugal dehydration, the equipment attrition of the utility model is little, the low consumption operation.
Still compare with the conventional dehydration technology with existing magnetic force press dewatering technology, the utility model is used for that the dehydration of magnetic slag charge is had clear superiority.
Description of drawings
Fig. 1 is the structure chart of facing of the utility model.
Fig. 2 is the A-A structure chart of the utility model.
Fig. 3 is the A-A structure chart with three pressure rollers.
Fig. 4 is the B portion cutaway view Amplified image of the utility model.
1. reducing motors among the figure, 2. shaft coupling, 3. bearing block, 4. inside groove, 5. magnetic cylinder, 5.1. magnet; 5.2. the magnetic cylinder inner cylinder, 5.3. magnetic cylinder outer cylinder, 6. pole bracket is 7. failed the slag band, and 8. defeated slag motor 9. unloads slag plate; 10. dirt-excluding bucket, 11. drainpipes, 12. water jackets, 13. inside grooves lead to cinder notch, 14. frames, 15. scum boards; 16. pressure roller, 17. charging apertures, 18. magnetic separating flow tracts, 19. magnetic cylinder support rollers, 20. filter cylinders, 20.1. treatment hole.
The specific embodiment
Provide embodiment so that the utility model is described further below in conjunction with accompanying drawing.
In conjunction with Fig. 1, shown in Figure 2; A kind of embedded magnetic separates filter pressing dehydrator; Be used for the magnetic pulp water is carried out the equipment of separating and dehydrating; Comprise frame 14, be arranged on pole bracket 6, motor reducer 1, shaft coupling 2, bearing block 3, water jacket 12, magnetic cylinder 5, charging aperture 17, drainpipe 11 on the frame 14, magnetic cylinder 5 is positioned at water jacket 12, the support end axle of magnetic cylinder 5 pass that water jacket 12 1 ends are supported by bearing block 3 and through shaft coupling 2 by motor reducer 1 driven in rotation; Be provided with an inside groove 4 in magnetic cylinder 5 lower inside, inside groove 4 upper edges are fixed on the pole bracket 6; Magnetic cylinder 5 inside upper part that the are built in one pressure roller 16 pressure slag that matches with magnetic cylinder 5 inner cylinder; Be that the magnetic slag charge is adsorbed in magnetic cylinder inner cylinder 5.2 by magnetic force, cooperate with magnetic cylinder 5 inner cylinder by pressure roller 16 it is carried out extrusion dehydration; Space between magnetic cylinder 5 inner cylinder 5.2 and inside groove 4 outer cylinders constitutes magnetic separating flow tract 18; One scum board 15 leans with magnetic cylinder inner cylinder 5.2 and is arranged at pressure roller 16 rears along magnetic cylinder 5 rotation directions; One be used for defeated slag defeated slag band 7 be arranged at scum board 15 belows.Drainpipe 11 is arranged at inside groove 4 bottoms, and the entrance point of drainpipe 11 passes inside groove 4 one ends and be connected with magnetic separating flow tract 18, and the port of export of drainpipe 11 passes inside groove 4 other ends and further passes water jacket 12 and is connected with frame 14; Charging aperture 17, water jacket 12, magnetic separating flow tract 18, drainpipe 11 are connected successively; Inside groove 4 bottoms longitudinally are provided with the logical cinder notch 13 of inside groove, and inside groove 4 is communicated with magnetic separating flow tract 18 through the logical cinder notch 13 of inside groove.Magnetic cylinder 5 bottoms also are provided with magnetic cylinder support roller 19.
In conjunction with embodiment 1, as shown in Figure 3, in order further to improve the press dewatering effect; We are designed with pressure roller 16 filter cylinder 20 of filtering function; In the process of filter cylinder 20 press dewaterings, wherein a part of water drops to inside groove through filter cylinder 20 outer wall following currents, and another part water drops to inside groove 4 in filter cylinder 20 filtering layers get into filter cylinder 20 and from the treatment hole 20.1 of filter cylinder 20 both ends of the surface settings;, realize further separating and dehydrating after the logical cinder notch 13 of inside groove imports magnetic separating flow tracts 18.
In conjunction with embodiment 1 and embodiment 2, as shown in Figure 3, three filter cylinders 16 are set in same magnetic cylinder 5, make it on a magnetic cylinder 5, just realize pressing dry moisture in the slag step by step, make the moisture content of slagging tap very low.During the equipment operation, magnetic pulp water or magnetic material get into water jacket 12 from charging aperture 17, get into magnetic separating flow tract 18 then, and the magnetic slag charge is adsorbed on the magnetic cylinder inner surface by the magnetic field of magnetic cylinder inner cylinder 5.2, and the water after the separation gets into drainpipe 11; The slag that is adsorbed on the magnetic cylinder inner surface rotates out liquid level with magnetic cylinder 5; Pushed water outlet step by step by filter cylinder 16; Dried slag is scraped from the magnetic cylinder inner surface by scum board 15 subsequently and then is dropped to defeated slag band 7 outputs; In this process, defeated slag band 7 is driven by the defeated slag motor 8 that is arranged on the pole bracket 6, and dried slag is through unloading slag plate 9, dirt-excluding bucket 10 discharges; The water major part that squeezes out drops in the inside groove 4 with press filtration tube 16 outer surfaces or in filter cylinder 20 filtering layers get into filter cylinder 20 and from the treatment hole 20.1 of filter cylinder 20 both ends of the surface settings, further from the logical cinder notch 13 remittance magnetic separating flow tracts 18 of inside groove.In order to obtain better filter-press dehydration effect, filter cylinders 16 at different levels preferably increase along magnetic cylinder 5 rotation directions with the thrust of magnetic cylinder inner cylinder 5.2 step by step.
In conjunction with embodiment 1, embodiment 2 and embodiment 3, as shown in Figure 4, the magnetic cylinder of the utility model can also be following design: magnetic cylinder outer cylinder 5.3 is the magnetic conduction steel plate, magnetic cylinder inner cylinder 5.2 is non-magnetic stainless steel plate; Gather to the magnetic cylinder center in the magnetic field of the magnet of arranging between magnetic cylinder inner cylinder 5.2 and the magnetic cylinder outer cylinder 5.3 5.1, and magnetic cylinder outer cylinder 5.3 selects for use thickness to be not less than the carbon steel sheet of 5mm.
Thought and technical scheme according to the utility model; Be built under the inboard prerequisite of magnetic cylinder at pressure roller (filter cylinder); Those skilled in the art can also be taked various alternatives with regard to feed entrance point, runner setting, pressure roller (filter cylinder) structure, magnetic cylinder specific practice, defeated slag mode etc., to obtain better dehydrating effect to different feedstock characteristic.Therefore the embodiment that provides of the utility model, the just built-in implementation of press filtration tube that proposes of the utility model and should not be construed as whole protected contents of the utility model.
Claims (7)
1. an embedded magnetic separates filter pressing dehydrator; Be used for the magnetic pulp water is carried out the equipment of separating and dehydrating; Comprise frame (14), be arranged on pole bracket (6), motor reducer (1), shaft coupling (2), bearing block (3), water jacket (12), magnetic cylinder (5), charging aperture (17) and drainpipe (11) on the frame (14), it is characterized in that:
Said magnetic cylinder (5) is positioned at water jacket (12), the support end axle of magnetic cylinder (5) pass that water jacket (12) one ends are supported by bearing block (3) and through shaft coupling (2) by motor reducer (1) driven in rotation; Be provided with an inside groove (4) in magnetic cylinder (5) lower inside, inside groove (4) upper edge is fixed on the pole bracket (6); Have at least a pressure roller (16) to be built in magnetic cylinder (5) the inside upper part pressure slag that matches with magnetic cylinder inner cylinder (5.2);
Space between the inner cylinder (5.2) of said magnetic cylinder (5) and inside groove (4) outer cylinder constitutes magnetic separating flow tract (18);
One scum board (15) leans with magnetic cylinder inner cylinder (5.2) and is arranged at pressure roller (16) rear along magnetic cylinder (5) rotation direction;
One be used for defeated slag defeated slag band (7) be arranged at scum board (15) below.
2. embedded magnetic according to claim 1 separates filter pressing dehydrator, and it is characterized in that: said magnetic cylinder outer cylinder (5.3) is the magnetic conduction steel plate, and magnetic cylinder inner cylinder (5.2) is non-magnetic stainless steel plate; Gather to the magnetic cylinder center in the magnetic field of the magnet of arranging between magnetic cylinder inner cylinder (5.2) and the magnetic cylinder outer cylinder (5.3) (5.1).
3. embedded magnetic according to claim 1 separates filter pressing dehydrator, and it is characterized in that: said pressure roller (16) is provided with the filter cylinder (20) of treatment hole (20.1) for both ends of the surface.
4. embedded magnetic according to claim 1 separates filter pressing dehydrator; It is characterized in that: said drainpipe (11) is arranged at inside groove (4) bottom; And the entrance point of drainpipe (11) passes inside groove (4) one ends and is connected with magnetic separating flow tract (18), and the port of export of drainpipe (11) passes inside groove (4) other end and further passes water jacket (12) and is connected with frame (14); And charging aperture (17), water jacket (12), magnetic separating flow tract (18), drainpipe (11) are connected successively.
5. embedded magnetic according to claim 1 separates filter pressing dehydrator, it is characterized in that, said inside groove (4) bottom longitudinally is provided with the logical cinder notch (13) of inside groove, and inside groove (4) is communicated with magnetic separating flow tract (18) through the logical cinder notch (13) of inside groove.
6. embedded magnetic according to claim 2 separates filter pressing dehydrator, it is characterized in that said magnetic cylinder outer cylinder (5.3) is not less than the carbon steel sheet of 5mm for thickness.
7. embedded magnetic according to claim 1 separates filter pressing dehydrator, it is characterized in that the bottom of said magnetic cylinder (5) is provided with magnetic cylinder support roller (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204971675U CN202316114U (en) | 2011-12-05 | 2011-12-05 | Built-in type magnetic separation pressure filtration dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204971675U CN202316114U (en) | 2011-12-05 | 2011-12-05 | Built-in type magnetic separation pressure filtration dehydrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202316114U true CN202316114U (en) | 2012-07-11 |
Family
ID=46428115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204971675U Withdrawn - After Issue CN202316114U (en) | 2011-12-05 | 2011-12-05 | Built-in type magnetic separation pressure filtration dehydrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202316114U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489400A (en) * | 2011-12-05 | 2012-06-13 | 成都源蓉科技有限公司 | Built-in magnetic separation filter pressing dehydrator |
| CN103861731A (en) * | 2014-03-17 | 2014-06-18 | 北京林业大学 | Crushed aggregate iron removal device for centrifugal self-discharging wood packaging box |
| CN111495584A (en) * | 2020-04-26 | 2020-08-07 | 潘学勇 | Equipment and method for screening and deironing mud for manufacturing electric insulator |
-
2011
- 2011-12-05 CN CN2011204971675U patent/CN202316114U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489400A (en) * | 2011-12-05 | 2012-06-13 | 成都源蓉科技有限公司 | Built-in magnetic separation filter pressing dehydrator |
| CN102489400B (en) * | 2011-12-05 | 2013-08-07 | 成都源蓉科技有限公司 | Built-in magnetic separation filter pressing dehydrator |
| CN103861731A (en) * | 2014-03-17 | 2014-06-18 | 北京林业大学 | Crushed aggregate iron removal device for centrifugal self-discharging wood packaging box |
| CN111495584A (en) * | 2020-04-26 | 2020-08-07 | 潘学勇 | Equipment and method for screening and deironing mud for manufacturing electric insulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20130807 |
|
| RGAV | Abandon patent right to avoid regrant |