CN104743764B - The water guide cake discharge device of sludge high-drying dehydration filter press - Google Patents
The water guide cake discharge device of sludge high-drying dehydration filter press Download PDFInfo
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- CN104743764B CN104743764B CN201510137087.1A CN201510137087A CN104743764B CN 104743764 B CN104743764 B CN 104743764B CN 201510137087 A CN201510137087 A CN 201510137087A CN 104743764 B CN104743764 B CN 104743764B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 235000012970 cakes Nutrition 0.000 title claims abstract description 35
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 27
- 239000010802 sludge Substances 0.000 title claims abstract description 22
- 238000001035 drying Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000001360 synchronised Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 239000004744 fabric Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241001076939 Artines Species 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000414 obstructive Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention belongs to field of sludge treatment, be specifically related to a kind of water guide cake discharge device of sludge high-drying dehydration filter press, a kind of water guide cake discharge device of sludge high-drying dehydration filter press, comprise the guide groove that is arranged on filter press filter board assembly below, described guide groove is the pocketed structure of being made up of flexible water fabric, the oblique layout of bottom land two ends height of described guide groove, the notch of described guide groove is open-close type setting, in the time that guide groove notch is opened, guide groove can be accepted the material dropping on filter press, when guide groove notch closed type, guide groove can be dodged the material dropping on filter press. Sludge high-drying dehydration filter press water guide cake discharge device of the present invention has been abandoned original general water guide cake discharge apparatus structure, the flexible water guide groove that adopts folding to arrange, separately, in water guide process, water droplet does not splash for water guide, dump passage, the dehydration quality that has ensured mud cake has reduced equipment cost simultaneously.
Description
Technical field
The invention belongs to field of sludge treatment, be specifically related to a kind of sludge high-drying dehydration filter pressWater guide cake discharge device.
Background technology
In field of sludge treatment, mud after treatment finally need to carry out high level cadre's dehydration to be made dry wetSeparating substances, so that follow-up landfill or recycling. In prior art, conventionally adopt press filtrationMachine dewaters to mud, and the primary structure of filter press comprises the filter press plate group that multilayer build-up arrangesPart, each filter press plate assembly is vertically placed, and the cavity forming between each filter press plate assembly forms crowdedPress chamber. When dehydration, now mud is poured in extrusion chamber, then filter press plate is exerted pressure, in mudThe moisture hole that can arrange from filter press plate overflow, and finally flow out from filter press plate below. De-After water completes, each lamination filter plate assembly is separated, the mud cake forming after dehydration in extrusion chamber dropsTo filter press below. Can find out the moisture overflowing when dehydration from said structure and the course of workWith the mud cake forming after dehydration all from the discharging of filter press below, mud cake and water when preventing blankingDivide again and mix, corresponding water guide device for discharging just must be set moisture and mud cake are separately carried.As shown in Figure 1, 2, its primary structure comprises that two are split to water guide cake discharge device of the prior artTurnover panel a1, a2 that formula arranges, turnover panel a1, a2 both sides are provided with two tank b1, b2, when establishingStandby in the time of dehydration station, two turnover panel a1, a2 form roof type structure as shown in Figure 1, makeThe moisture overflowing in filter press trickles to tank b1, b2 along turnover panel a1, a2; When equipment placeIn the time of unloading station, two turnover panel a1, a2 form funnel-shaped structure as shown in Figure 2, make mud cakeFall on the conveyer belt of turnover panel a1, a2 below setting. But, above-mentioned water guide device for discharging lackBe trapped in: first, all upper with turnover panel of the mud cake dropping when the current that overflow when dehydration and dischargingThe contact of plate face, therefore, in the time that turnover panel switches to guiding mud cake from guiding current, mud cake can not be kept awayThat exempts from is stained with large quantity of moisture, affects dehydrating effect, same, when turnover panel switches from guiding mud cakeWhen guiding current, the earth adhering on turnover panel can enter drainage system with current, causes drainingSystem is stained, obstruction; In addition, above-mentioned turnover panel a1, a2 and tank b1, b2 are by metal materialMaterial is welded, and easily produces sputtering phenomenon when water conservancy diversion, and can be by serious after long-time useCorrosion, causes leaking, and has a strong impact on on-the-spot production environment.
Summary of the invention
The object of this invention is to provide a kind of antiseep can avoid mud cake and moisture secondary to connect simultaneouslyThe water guide cake discharge device of tactile sludge high-drying dehydration filter press.
For achieving the above object, the invention provides following technical scheme: a kind of sludge high-drying is de-The water guide cake discharge device of hydraulic pressure filter, comprises the guide groove that is arranged on filter press filter board assembly below,Described guide groove is the pocketed structure of being made up of flexible water fabric, and the bottom land two ends of described guide groove are highLow oblique layout, the notch of described guide groove is open-close type setting, in the time that guide groove notch is opened, leadsGroove can be accepted the material dropping on filter press, and in the time that guide groove notch is closed, guide groove can be dodgedThe material dropping on filter press.
Technique effect of the present invention is: sludge high-drying dehydration filter press water guide of the present invention unloadsCake device has been abandoned original general water guide cake discharge apparatus structure, the flexible water that adopts folding to arrangeGuide groove, separately, in water guide process, water droplet does not splash water guide, dump passage, has ensured mud cakeDehydration quality has reduced equipment cost simultaneously.
Brief description of the drawings
Fig. 1, the 2nd, water guide cake discharge apparatus structure schematic diagram of the prior art;
Fig. 3 is the structural representation of water guide cake discharge device of the present invention while being positioned at water receiving station;
Fig. 4 is the structural representation of water guide cake discharge device of the present invention while being positioned at cake discharge station;
Fig. 5 is left view of the present invention.
Detailed description of the invention
As shown in Fig. 3,4,5, a kind of water guide cake discharge device of sludge high-drying dehydration filter press,Comprise the guide groove 10 that is arranged on filter press filter board assembly below, described guide groove 10 is by softProperty the waterproof fabrics pocketed structure made, the oblique cloth of bottom land two ends height of described guide groove 10Put, the notch of described guide groove 10 is open-close type setting, in the time that guide groove 10 notches are opened,Guide groove 10 can be accepted the material dropping on filter press, in the time that guide groove 10 notches are closed,Guide groove 10 can be dodged the material dropping on filter press.
Preferably, described guide groove 10 is that cross section is U-shaped bar groove structure while expansion, described inA wherein long limit of guide groove 10 is fixedly installed, and another long limit is with respect to described fixed lengthLimit open-close type arranges.
Further, as the preferred technical solution of the present invention, described guide groove 10 has been arranged side by sideArticle two,, the outer long side of described two guide grooves 10 is fixedly installed, the long limit, inner side of two guide grooves 10With respect to the outer long side open-close type setting of guide groove 10 separately, and work as two guide grooves 10 and launch simultaneouslyTime, two guide groove 10 subregions, inside portion coincide with the upper and lower.
Guiding gutter of the present invention is compared with turnover panel of the prior art, and when water receiving, water droplet is outwards difficult forSplash. First, as shown in Figure 3, the guide groove 10 in the present invention is intermediate recess structure, currentAfter beating on guide groove 10, the inside sputter of meeting nature, finally still can all drop in guide groove 10;And turnover panel a1 of the prior art, a2 are illustrated in figure 1 intermediate projections formula structure, current are beatenCan outside sputter after turnover panel a1, a2 are upper, and tank b1, b2 width are limited, sputter water is notMay all fall into tank b1, b2, this just causes a large amount of sputter water to fall to the ground, seriousAffect in-situ production environment.
Preferably, as shown in Figure 3,4, long limit, the inner side of described two guide grooves 10 is separately fixed atTwo be parallel to each other and horizontally disposed cross bar 11 on, described two cross bars 11 are along perpendicular to selfThe horizontal direction folding of axis arranges, in the time that two guide grooves 10 launch simultaneously, and two cross bar 11 1 heightOne lowly overlaps up and down.
Further, as shown in Figure 3,4, composition the preferred technical solution of the present invention, described twoCross bar 11 synchronous backward motions arrange, and at least one end of described guide groove 10 is provided with horizontal driving-chain20, the upper strata serobila of driving-chain 20 is connected with the end of a cross bar 11 wherein, driving-chain 20Lower floor's serobila be connected with the end of another cross bar 11.
Guide groove 10 in the present invention is more energy-conservation compared with reprint a1 of the prior art, a2.Guide groove 10 in the present invention adopts supported on both sides, is driven whole dewatering cycle by chain-drive mechanismIn, driving mechanism only need provide power in guide groove 10 closure or openness processes, and guide groove 10 is quietOnly time, chain-drive mechanism can be locked voluntarily; And turnover panel a1 of the prior art, a2 are outstandingArm configuration, this turnover panel a1, a2 be by Driven by Hydraulic Cylinder, if will keep the attitude shown in Fig. 1,2,Must maintain and drive the oil pressure of oil cylinder constant, therefore just need the continual fuel feeding of hydraulic power source,Energy resource consumption is huge.
Further, described two guide groove 10 belows are also provided with two stock guides 12, described twoThe be placed in bottom land outside of two guide grooves 10 of stock guide 12, described two stock guides 12 are from top to bottomClosing in shape arranges.
Further, as shown in Figure 5, one end of described guide groove 10 is provided with water receiving tank 30, instituteState water receiving tank 30 and be positioned at the lower one end of guide groove 10 bottom lands. 30 need of water receiving tank in the present inventionArrange very short one section, if with the width sum of two guide grooves 10 quite, with prior artIn two large span tank b1, b2 compare, the water receiving tank 30 in the application can be saved greatlyAmount cost.
Preferably, described guide groove 10 adopts rubber peel to make, and rubber peel thickness is 3-5mm.
Sludge high-drying dehydration filter press water guide cake discharge device of the present invention has been abandoned original general water guideCake discharge apparatus structure, the flexible water guide groove 10 that adopts folding to arrange, water guide, dump passage divideOpen, in water guide process, water droplet does not splash, and has ensured the dehydration quality of mud cake, has reduced and has established simultaneouslyStandby cost.
Claims (8)
1. a water guide cake discharge device for sludge high-drying dehydration filter press, is characterized in that: compriseThe guide groove (10) that is arranged on filter press filter board assembly below, described guide groove (10) is to be prevented by flexibilityThe pocketed structure that water surface material is made, the oblique layout of bottom land two ends height of described guide groove (10),The notch of described guide groove (10) is open-close type setting, in the time that guide groove (10) notch launches, leadsGroove (10) can be accepted the material dropping on filter press, in the time that guide groove (10) notch is closed,Guide groove (10) can be dodged the material dropping on filter press.
2. the water guide cake discharge device of sludge high-drying dehydration filter press according to claim 1,It is characterized in that: described guide groove (10) is that cross section is U-shaped bar groove structure while expansion, described inA wherein long limit of guide groove (10) is fixedly installed, and another long limit is with respect to described fixed lengthLimit open-close type arranges.
3. the water guide cake discharge device of sludge high-drying dehydration filter press according to claim 2,It is characterized in that: described guide groove (10) has been arranged side by side two described two guide grooves (10)Outer long side be fixedly installed, long limit, the inner side of two guide grooves (10) is with respect to guide groove (10) separatelyOuter long side open-close type arrange, and in the time that two guide grooves (10) launch simultaneously, two guide grooves (10)Subregion, inside portion coincides with the upper and lower.
4. the water guide cake discharge device of sludge high-drying dehydration filter press according to claim 3,It is characterized in that: the long limit, inner side of described two guide grooves (10) is separately fixed at two and is parallel to each otherAnd horizontally disposed cross bar (11) is upper, described two cross bars (11) are along perpendicular to self axisHorizontal direction folding arranges, in the time that two guide grooves (10) launch simultaneously, and two cross bar (11) one heightOne lowly overlaps up and down.
5. the water guide cake discharge device of sludge high-drying dehydration filter press according to claim 4,It is characterized in that: the motion of described two cross bars (11) synchronous backward arranges, described guide groove (10)At least one end be provided with horizontal driving-chain (20), the upper strata serobila of driving-chain (20) and whereinThe end of root cross bar (11) is connected, lower floor's serobila of driving-chain (20) and another cross bar (11)End be connected.
6. the water guide cake discharge device of sludge high-drying dehydration filter press according to claim 5,It is characterized in that: described two guide grooves (10) below is also provided with two stock guides (12), described twoThe be placed in bottom land outside of two guide grooves (10) of piece stock guide (12), described two stock guides (12)Be the setting of closing in shape from top to bottom.
7. to remove the water guide cake discharge device of the sludge high-drying dehydration filter press described in 6 according to right,It is characterized in that: one end of described guide groove (10) is provided with water receiving tank (30) described water receiving tank (30)Be positioned at the lower one end of guide groove (10) bottom land.
8. the water guide cake discharge device of sludge high-drying dehydration filter press according to claim 7,It is characterized in that: described guide groove (10) adopts rubber peel to make, and rubber peel thickness is 3-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137087.1A CN104743764B (en) | 2015-03-26 | 2015-03-26 | The water guide cake discharge device of sludge high-drying dehydration filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137087.1A CN104743764B (en) | 2015-03-26 | 2015-03-26 | The water guide cake discharge device of sludge high-drying dehydration filter press |
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| Publication Number | Publication Date |
|---|---|
| CN104743764A CN104743764A (en) | 2015-07-01 |
| CN104743764B true CN104743764B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510137087.1A Active CN104743764B (en) | 2015-03-26 | 2015-03-26 | The water guide cake discharge device of sludge high-drying dehydration filter press |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1073367A (en) * | 1976-06-29 | 1980-03-11 | Passavant-Werke Michelbacher Hutte | Filter plate for a plate type filter press |
| CN2928191Y (en) * | 2006-08-01 | 2007-08-01 | 杭州兴源过滤机有限公司 | Press filter liquid receiving tilt plate mechanism |
| CN203763935U (en) * | 2014-03-31 | 2014-08-13 | 广西金邦泰科技有限公司 | Liquid-receiving device of filter press |
| CN104117235A (en) * | 2014-08-15 | 2014-10-29 | 无锡市彩云机械设备有限公司 | Sludge pressure filter |
| CN203916189U (en) * | 2014-06-09 | 2014-11-05 | 安德里茨（中国）有限公司 | The catch tray of filter press |
| CN203935661U (en) * | 2014-06-27 | 2014-11-12 | 康觉 | A kind of vertical type blotter press |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204569700U (en) * | 2015-03-26 | 2015-08-19 | 安徽省通源环境节能有限公司 | The water guide cake discharge device of sludge high-drying dehydration filter press |
-
2015
- 2015-03-26 CN CN201510137087.1A patent/CN104743764B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1073367A (en) * | 1976-06-29 | 1980-03-11 | Passavant-Werke Michelbacher Hutte | Filter plate for a plate type filter press |
| CN2928191Y (en) * | 2006-08-01 | 2007-08-01 | 杭州兴源过滤机有限公司 | Press filter liquid receiving tilt plate mechanism |
| CN203763935U (en) * | 2014-03-31 | 2014-08-13 | 广西金邦泰科技有限公司 | Liquid-receiving device of filter press |
| CN203916189U (en) * | 2014-06-09 | 2014-11-05 | 安德里茨（中国）有限公司 | The catch tray of filter press |
| CN203935661U (en) * | 2014-06-27 | 2014-11-12 | 康觉 | A kind of vertical type blotter press |
| CN104117235A (en) * | 2014-08-15 | 2014-10-29 | 无锡市彩云机械设备有限公司 | Sludge pressure filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104743764A (en) | 2015-07-01 |
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Address after: 230031 Hefei, Anhui, South Road, cooperative building, No. 26, building No. 5 Patentee after: ANHUI TONGYUAN ENVIRONMENTAL ENERGY SAVING CO., LTD. Address before: 230031 Hefei, Anhui, South Road, cooperative building, No. 26, building No. 5 Patentee before: Anhui Tongyuan Source Environment Co., Ltd. |
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Denomination of invention: Water guiding and cake discharging device for sludge high-dry dehydration filter press Effective date of registration: 20161220 Granted publication date: 20160511 Pledgee: Merchants Bank Hefei three Street Branch Pledgor: ANHUI TONGYUAN ENVIRONMENTAL ENERGY SAVING CO., LTD. Registration number: 2016990001140 |
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