CN105268221A - Novel filter pressing device and filter pressing method thereof - Google Patents
Novel filter pressing device and filter pressing method thereof Download PDFInfo
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- CN105268221A CN105268221A CN201510787478.8A CN201510787478A CN105268221A CN 105268221 A CN105268221 A CN 105268221A CN 201510787478 A CN201510787478 A CN 201510787478A CN 105268221 A CN105268221 A CN 105268221A
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Abstract
The invention discloses a novel filter plate device. The novel filter plate device comprises multiple sets of filter plates and blowing plates which are arranged at intervals. The invention further discloses a novel filter press which comprises an air compressor and a material conveyer and applies the novel filter plate device. The invention further discloses a novel filter pressing method which applies the novel filter press. The novel filter plate device and the novel filter pressing method are applied to filtration dewatering of iron ore concentrate, so that the water content of a filter cake is 14-16 percent; the filter cake is dried, therefore, stockpiling is facilitated, and the transportation cost is lowered; the outstanding substantial characteristics and significant progress are achieved.
Description
Technical field
The present invention relates to technical field of solid-liquid separation equipment, be specifically related to a kind of Novel pressure filter device and filter-pressing method thereof in iron ore concentrate production process.
Background technology
The filter plant of most enterprises when obtaining dry products adopts filter press substantially, and it integrates isolated by filtration, the dehydration of product.Filter medium is filter cloth, and its apparatus body is that horizontal being sorted side by side by several piece filter plate forms.In normal production, large arch dam material enters from the central well of filter plate, under the pressurization of force (forcing) pump, realize Separation of Solid and Liquid, and filtrate, through filter cloth, is flowed out from the collector tube of filter plate and formed filtrate; Filter cake is adsorbed on filter cloth, and along with the continuity filter cake progressive additive of pressure-filtering process, press filtration resistance increases thereupon, after reaching setting pressure, pressure-filtering process terminates, and after twice pressing, filter plate unclamps, filter cake Automatic-falling, cake discharge, and then enter next cycle operation.
Existing filter press, adopt membrane filter plate, operation principle is: the hydraulic system filter plate press filtration of first time application filter press, and then air blast is inflated eardrum, eardrum is expanded and carries out twice pressing.This filter press in the production process of iron ore concentrate, because the ratio of iron ore concentrate is great, when charging, the filter chamber of filter plate bottom has entered to expire iron ore, and top is not entered full, when lamina membranacea twice pressing, lamina membranacea eardrum bearing up-down force is uneven, causes eardrum easily to ftracture, filter cloth is extremely short for service life.The moisture content of filter cake is higher in addition, still has about 23% after twice pressing.In order to promote the mutual motion of iron ore concentrate and water, realize Separation of Solid and Liquid better, compressed air sweeping process installed by existing filter press on feed pipe, but due to iron ore concentrate fine size, than great, in feed pipe, deposition is serious, compressed air cannot blow, so the moisture content of filter cake is always higher.
This filter press method of operation is large to the loss of membrane filter plate, and cost is high; Cake dewatering effect is poor simultaneously, has a strong impact on storing up and transporting of iron extract mine producation.
Summary of the invention
For solving the deficiencies in the prior art, the present invention aims to provide a kind of Novel pressure filter device and filter-pressing method thereof, after first time press filtration, directly purge filter cake with compressed air, greatly can reduce the moisture content in filter cake, reduces the loss to filter plate and filter cloth.
Technical scheme of the present invention is as follows:
Novel filter plate device of the present invention, comprise blow-down panel and filter, described blow-down panel comprises frame I, plate body I, tube seat I, the surrounding of described plate body I is provided with frame I, the top of frame I is provided with tube seat I, offer more than one hole I in described tube seat I, the junction on described plate body I and frame I top is provided with more than one hole II, and described hole II is connected with hole I;
Described filter comprises frame II, plate body II, tube seat II, rhone, and the surrounding of described plate body II is provided with frame II, and the top of frame II is provided with tube seat II, and the bottom of frame II is provided with rhone; The junction of described plate body II and frame II bottom is provided with more than one hole III, and described hole III is communicated with rhone.
Described filter plate device is applied to chamber-type press filter or plate and frame type filter-press, when being applied to chamber-type press filter, replaces membrane filter plate by blow-down panel.
The two sides of described blow-down panel is provided with hole I, and the two sides of described filter is equipped with hole III.
Described blow-down panel and filter are arranged at intervals with many groups, and the tube seat I on each blow-down panel and filter and tube seat II is in the same size, arranges along the same axis.
Described plate body I is provided with groove.
Novel filter plate device of the present invention, also comprises communicating pipe, described communicating pipe through the tube seat I on each blow-down panel and filter and tube seat II, communicating pipe on each tube seat of correspondence I I position, hole on arrange porose IV.
The present invention also discloses a kind of new type pressure filter, comprises air compressor and material conveyor, and apply Novel filter plate device as above, described air compressor is connected with compressed air hose, and described material conveyor is connected with Material pipeline; Described communicating pipe is connected with compressed air hose with Material pipeline respectively, Material pipeline is provided with charging pneumatic operated valve, compressed air hose is provided with blowing pneumatic operated valve.
The present invention also discloses a kind of Novel pressure filter method, applies new type pressure filter as above, comprises the following steps:
A. the by-pass valve control on closes compression air hose, opens the charging pneumatic operated valve on Material pipeline, and start material conveyor charging, material is flowed out via hole IV by communicating pipe under gas pressure from the I of hole, enters between blow-down panel and filter;
B. after feed pressure reaches setting value, charging pneumatic operated valve cuts out, and charging stops;
C. open blowing pneumatic operated valve, input compressed-air, air was blown into from hole I via hole IV through communicating pipe, and air is access aperture III after the material between blow-down panel and filter, blows out from rhone, takes away moisture content simultaneously.
In described step C, control the opening time of blowing pneumatic operated valve, the moisture content in the filter cake obtained after making step C is 14-16%.
Described Novel filter plate device is especially applicable to being applied to iron concentrate filtering dehydration.
Described new type pressure filter is used for the application in iron concentrate filtering dehydration.
The present invention devises blow-down panel and the spaced structure of filter cleverly, substituted for the structure of existing design, after charging and first time press filtration, the operation of no longer carrying out squeezing and so on, but be blown into compressed air by blow-down panel, because whole press filtration chamber is airtight, and filter plate itself is airtight, make gas circuit can only via the material needing press filtration, then discharge from filter, liquid remaining in material is just taken out of by this process, the water content of filter cake can be made to be reduced to less than 14%, the material dry powder of our everyday exposure what, water content is generally about 22%, this water content of material after press filtration of the present invention, substantially dry when meaning that material out.Therefore, material moisture can only be made to be down to about 25% relative to filter press general in prior art, the present invention can get rid of more liquid to greatest extent, greatly improves the effect of press filtration.
The present invention is especially applicable to being applied to iron concentrate filtering dehydration, and the filter cake after compressed air is purged, moisture content is 14-16%, makes filter cake be easy to remove, and without the need to carrying out drying in addition, is conducive to greatly reducing storing up and cost of transportation of filter cake.
Accompanying drawing explanation
Accompanying drawing 1 is structure of pressing filter schematic diagram of the present invention
Accompanying drawing 2 is blow-down panel schematic diagram of the present invention
Accompanying drawing 3 is filter structural representation of the present invention
In figure, Each part and sequence number indicate as follows: 1-blow-down panel, 2-filter, 3-communicating pipe, 4-compressor, 5-material conveyor, 6-compressed air hose, 7-Material pipeline, 11-blow-down panel frame, 12-blow-down panel plate body, 13-blow-down panel tube seat, the hole on 14-blow-down panel tube seat, the hole on 15-blowing plate body, 21-filter frame, 22-filter plate body, 23-filter tube seat, 24-rhone, 25-osculum, the hole on 31-communicating pipe.
Detailed description of the invention
Below by specific embodiment by reference to the accompanying drawings, technical scheme of the present invention is described further.
Embodiment 1
As Figure 1-3, Novel filter plate device of the present invention, comprises blow-down panel 1 and filter 2.
The surrounding of the plate body I12 of blow-down panel 1 is provided with frame I11, the top of frame I11 is provided with tube seat I13, in tube seat I13, two row arranged side by side offer multiple hole I14, the junction on two faces of plate body I12 and the top of frame I11 is equipped with multiple hole II15,, the hole II15 on each face arranges hole I14 with one on tube seat respectively and is connected; Preferably, hole I14 arranges 2-5; Hole II15 corresponds to hole I14, and each on plate body I12 arranges 2-5.
The surrounding of the plate body II22 of filter 2 is provided with frame II21, and the top of frame II21 is provided with tube seat II23, and the bottom of frame II21 is provided with rhone 24; The junction of the bottom of plate body II22 and frame II21 is provided with multiple hole III 25, and hole III 25 is communicated with rhone 24, and preferably, the number in hole III 25 arranges 2-5.
Filter plate device is applied to chamber-type press filter or plate and frame type filter-press, when being applied to chamber-type press filter, replaces membrane filter plate by blow-down panel 1.
Blow-down panel 1 and filter 2 are arranged at intervals with many groups, and the tube seat I13 on each blow-down panel 1 and filter 2 and tube seat II23 is in the same size, arranges along the same axis.Communicating pipe 3 through the tube seat I13 in each each blow-down panel 1 and filter 2 and tube seat II23, on communicating pipe 3 corresponding each tube seat I13 I14 position, hole on arrange porose IV 31.
Blow-down panel plate body I12 is provided with groove.
The present invention also discloses a kind of new type pressure filter, comprises air compressor 4 and material conveyor 5, and apply above-mentioned Novel filter plate device, air compressor 4 is connected with compressed air hose 6, and material conveyor 5 is connected with Material pipeline 7; Communicating pipe 3 is connected with compressed air hose 6 with Material pipeline 7 respectively, Material pipeline 7 is provided with charging pneumatic operated valve, compressed air hose 6 is provided with blowing pneumatic operated valve.
Novel pressure filter method of the present invention, apply above-mentioned new type pressure filter, comprise the following steps:
A. the by-pass valve control on closes compression air hose 6, opens the charging pneumatic operated valve on Material pipeline 7, and start material conveyor 5 charging, material is flowed out via hole IV 31 by communicating pipe 3 under gas pressure from the I14 of hole, enters between blow-down panel 1 and filter 2;
B. after feed pressure reaches setting value, charging pneumatic operated valve cuts out, and charging stops;
C. open blowing pneumatic operated valve, input compressed-air, air was blown into from hole I14 via hole IV 31 through communicating pipe 3, and air is access aperture III 25 after the material between blow-down panel 1 and filter 2, blows out, take away moisture content simultaneously from rhone 24.
In described step C, control the opening time of blowing pneumatic operated valve, the moisture content in the final filter cake obtained is 14-16%.
Novel pressure filter device of the present invention, reasonable in design, on the basis improving equipment structure, achieve new filter-pressing method, not only can reduce the loss to filter press filter board and filter cloth, greatly can also reduce the moisture content in filter cake, be conducive to filter cake and store up, reduce cost of transportation, remarkable in economical benefits.
Claims (11)
1. a Novel filter plate device, comprise blow-down panel (1) and filter (2), it is characterized in that: described blow-down panel (1) comprises frame I(11), plate body I(12), tube seat I(13), described plate body I(12) surrounding be provided with frame I(11), frame I(11) top be provided with tube seat I(13), described tube seat I(13) in offer more than one hole I(14), described plate body I(12) with frame I(11) junction on top is provided with more than one hole II(15), described hole II(15) with hole I(14) be connected;
Described filter (2) comprises frame II(21), plate body II(22), tube seat II(23), rhone (24), described plate body II(22) surrounding be provided with frame II(21), frame II(21) top be provided with tube seat II(23), frame II(21) bottom is provided with rhone (24); Described plate body II(22) with frame II(21) junction of bottom is provided with more than one hole III (25), described hole III (25) is communicated with rhone (24).
2. Novel filter plate device as claimed in claim 1, is characterized in that: described filter plate device is applied to chamber-type press filter or plate and frame type filter-press, when being applied to chamber-type press filter, replaces membrane filter plate by blow-down panel (1).
3. Novel filter plate device as claimed in claim 1, is characterized in that: the two sides of described blow-down panel (1) is provided with hole I(14), the two sides of described filter (2) is equipped with hole III (25).
4. Novel filter plate device as claimed in claim 1, it is characterized in that: described blow-down panel (1) and filter (2) are arranged at intervals with many groups, tube seat I(13 on each blow-down panel (1) and filter (2)) and tube seat II(23) in the same size, arrange along the same axis.
5. Novel filter plate device as claimed in claim 1, is characterized in that: described plate body I(12) be provided with groove.
6. Novel filter plate device as claimed in claim 1, it is characterized in that: also comprise communicating pipe (3), described communicating pipe (3) is through the tube seat I(13 in each blow-down panel (1) and filter (2)) and tube seat II(23), communicating pipe (3) upper corresponding each tube seat I(13) hole I(14) position arranges porose IV (31).
7. a new type pressure filter, comprise air compressor (4) and material conveyor (5), apply Novel filter plate device as claimed in claim 6, it is characterized in that: described air compressor (4) is connected with compressed air hose (6), described material conveyor (5) is connected with Material pipeline (7); Described communicating pipe (3) is connected with compressed air hose (6) with Material pipeline (7) respectively, and (7) are provided with charging pneumatic operated valve to Material pipeline, and (6) are provided with blowing pneumatic operated valve to compressed air hose.
8. a Novel pressure filter method, applies new type pressure filter as claimed in claim 7, it is characterized in that comprising the following steps:
A. the by-pass valve control on closes compression air hose (6), open the charging pneumatic operated valve on Material pipeline (7), start material conveyor (5) charging, material under gas pressure by communicating pipe (3) via hole IV (31) from hole I(14) outflow, enter between blow-down panel (1) and filter (2);
B. after feed pressure reaches setting value, charging pneumatic operated valve cuts out, and charging stops;
C. blowing pneumatic operated valve is opened, input compressed-air, air through communicating pipe (3) via hole IV (31) from hole I(14) be blown into, air is access aperture III (25) after the material between blow-down panel (1) and filter (2), blow out from rhone (24), take away moisture content simultaneously.
9. Novel pressure filter method as claimed in claim 8, is characterized in that: in step C, and control the opening time of blowing pneumatic operated valve, the moisture content in the filter cake obtained after making step C is 14-16%.
10. as application that the Novel filter plate device of claim 1-6 as described in any one is used in iron concentrate filtering dehydration.
11. new type pressure filters as claimed in claim 7 are used for the application in iron concentrate filtering dehydration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510787478.8A CN105268221A (en) | 2015-11-17 | 2015-11-17 | Novel filter pressing device and filter pressing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510787478.8A CN105268221A (en) | 2015-11-17 | 2015-11-17 | Novel filter pressing device and filter pressing method thereof |
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| Publication Number | Publication Date |
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| CN105268221A true CN105268221A (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510787478.8A Pending CN105268221A (en) | 2015-11-17 | 2015-11-17 | Novel filter pressing device and filter pressing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635920A (en) * | 2018-06-05 | 2018-10-12 | 广州机械设计研究所 | A kind of intelligence plate type pressure filter |
| CN110141892A (en) * | 2019-06-26 | 2019-08-20 | 郑州星坤环保科技有限公司 | A kind of strengthen air-dries plate and frame filter press and its filter-pressing method |
| CN110763001A (en) * | 2018-07-26 | 2020-02-07 | 霍志飞 | Novel material dewatering equipment and method |
Citations (6)
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| GB346191A (en) * | 1929-05-01 | 1931-04-09 | Chem Ind Basel | Improvements in filter presses |
| US3879291A (en) * | 1971-11-16 | 1975-04-22 | Ici Ltd | Filtration process |
| CN2234811Y (en) * | 1995-10-19 | 1996-09-11 | 余仁焕 | Efficient plate-frame type filter press |
| CN201735218U (en) * | 2010-06-25 | 2011-02-09 | 四川蓥峰实业有限公司 | Filter pressing device |
| CN202751854U (en) * | 2012-07-05 | 2013-02-27 | 嵩县开拓者钼业有限公司 | Filter-pressing drying dewatering device with automatic material collecting and weighing device |
| CN205164222U (en) * | 2015-11-17 | 2016-04-20 | 中国铝业股份有限公司 | Novel filter -pressing device |
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2015
- 2015-11-17 CN CN201510787478.8A patent/CN105268221A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB346191A (en) * | 1929-05-01 | 1931-04-09 | Chem Ind Basel | Improvements in filter presses |
| US3879291A (en) * | 1971-11-16 | 1975-04-22 | Ici Ltd | Filtration process |
| CN2234811Y (en) * | 1995-10-19 | 1996-09-11 | 余仁焕 | Efficient plate-frame type filter press |
| CN201735218U (en) * | 2010-06-25 | 2011-02-09 | 四川蓥峰实业有限公司 | Filter pressing device |
| CN202751854U (en) * | 2012-07-05 | 2013-02-27 | 嵩县开拓者钼业有限公司 | Filter-pressing drying dewatering device with automatic material collecting and weighing device |
| CN205164222U (en) * | 2015-11-17 | 2016-04-20 | 中国铝业股份有限公司 | Novel filter -pressing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635920A (en) * | 2018-06-05 | 2018-10-12 | 广州机械设计研究所 | A kind of intelligence plate type pressure filter |
| CN110763001A (en) * | 2018-07-26 | 2020-02-07 | 霍志飞 | Novel material dewatering equipment and method |
| CN110141892A (en) * | 2019-06-26 | 2019-08-20 | 郑州星坤环保科技有限公司 | A kind of strengthen air-dries plate and frame filter press and its filter-pressing method |
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Application publication date: 20160127 |
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