CN107050971A - Roller is filtered in a kind of press filtration for belt type sludge filter press - Google Patents
Roller is filtered in a kind of press filtration for belt type sludge filter press Download PDFInfo
- Publication number
- CN107050971A CN107050971A CN201710203869.XA CN201710203869A CN107050971A CN 107050971 A CN107050971 A CN 107050971A CN 201710203869 A CN201710203869 A CN 201710203869A CN 107050971 A CN107050971 A CN 107050971A
- Authority
- CN
- China
- Prior art keywords
- roller
- press filtration
- press
- filter
- sludge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/056—Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
- B01D33/042—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering whereby the filtration and squeezing-out take place between at least two filtering bands
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
Abstract
The present invention, which is carried, to be total to a kind of press filtration for belt type sludge filter press and filters roller, and press filtration filter roller is that hollow spline is press filtration filter roller excircle provided with being made up of multiple circular reinforcing bars separately.The beneficial effects of the invention are as follows：First main pressure roller is designed using linear contact lay, forms Points replacing surfaces, so as to improve pressure water operating efficiency.When material enters pressure area, material in the area along strainer, constantly strengthen forward by operating pressure, and material is squeezed volume contraction after power, and contained free water reaches saturation state, when it is squeezed by linear contact lay, goes out water speed and accelerates 3~4 times of increase.
Description
Technical field
The invention belongs to technical field of environment protection equipment, and in particular to a kind of belt press filtration sludge filter press.
Background technology
Waste water control occupies an important position in environmental protection industry (epi), and the first step of waste water control is that sewage is filtered,
And press dewatering is carried out to the sludge filtered out, existing sewage water filtration band filter, to reduce equipment volume, is deposited mostly
Few in pressure roller, the problem of squeeze force is small causes the moisture content of the cake height after squeezing, and mud cake is unfavorable for transporting and stored, also influences
To sludge subsequent treatment, while due also to belt type filter process is disposable filtering, so the water quality after filtering is relative containing dirt
Amount is big, and band filter thickener used and belt filter press are all used separately both at home and abroad, and floor space is big, cost
Height, using effect is poor.
Existing belt press filtration sludge filter press by sludge and certain density flocculant be sufficiently mixed in a mixer with
Afterwards, the minute solid particles in sludge are condensed into the larger floccule mass of volume, while isolating Free water, sludge is transported to concentration
On the strainer of gravity dehydration, the sludge of not flow regime is formed under gravity, then is transported between two strainers, is passed through
Under precompressed, low pressure and the ascending extruding force of high pressure, shearing force, progressively extrude sludge, with reach maximum mud,
Water is separated, and eventually forms filter cake output.
But when sludge in precompressed, low pressure event, due to filter roller and strainer between contact be all face contact, cause mud,
Water separation is not smooth, have impact on water outlet efficiency.
The content of the invention
The present invention provides a kind of press filtration for belt type sludge filter press for being capable of rapid dehydration and filters roller.
The technical scheme is that：
Roller is filtered in a kind of press filtration for belt type sludge filter press, and press filtration filter roller is hollow spline, and roller is filtered in hollow spline press filtration
It is made up of hollow, multiple circular reinforcing bars separately.
Further, above-mentioned press filtration filter roller is radially provided with reinforcement.
Further, above-mentioned reinforcement is 3.
The beneficial effects of the invention are as follows：
First main pressure roller is designed using linear contact lay, forms Points replacing surfaces, so as to improve pressure water operating efficiency.Material enters pressure area
When, material in the area along strainer, constantly strengthen forward by operating pressure, and material is squeezed volume contraction after power, and contained is free
Water reaches saturation state, when it is squeezed by linear contact lay, goes out water speed and accelerates 3~4 times of increase.
Brief description of the drawings
Fig. 1 is the press filtration filter roll structure schematic diagram of the hollow spline of the present invention；
Fig. 2 is Fig. 1 left side view；
Fig. 3 is a kind of structural representation of belt type sludge filter press；
Fig. 4 is Fig. 3 top view；
Fig. 5 is Fig. 3 high pressure dewatering period partial enlarged drawing；
The hollow spline filter rollers of 1-；2- the second press filtration rollers；The press filtration rollers of 3- the 3rd；4- the 4th presses press filtration roller；The upper driven rollers of 5-；Under 6-
Driven roller；7- crossed belt press filtration rollers；8- guide rollers；
The guide roller sets of 51- first；The guide roller sets of 61- second；
101- bearings；102- circle reinforcing bars；103- reinforcements.
Wherein：A is represented from gravity dewatering period；B represents precompressed dewatering period；C represents high pressure dewatering period.
Embodiment
Under be further described with reference to accompanying drawing：
Referring to accompanying drawing 1, Fig. 2；Fig. 1 is the press filtration filter roll structure schematic diagram of hollow spline, and hollow spline filter roller 1 includes 20
Circular reinforcing bar 102 is constituted, and 3 reinforcements 103 that are transversely provided with of circular reinforcing bar 102 are used to strengthen the strong of hollow spline filter roller 1
Degree, bearing 101 is used to hollow spline filter the frame that roller 1 is fixed on filter press.
Referring to Fig. 3, Fig. 4, belt type sludge filter press machine is broadly divided into A areas, B areas and C areas：
A areas are from gravity dewatering period
Mainly the sludge after waddingization is evenly distributed on strainer through cloth bucket, sludge is fed forward with strainer, after flocculation from
Flowed out by water under Gravitative Loads by strainer, main function is to slough the Free water in sludge, reduce the mobility of sludge,
Prepared for next step extruding.The second strainer that the area is used to convey after separation by the second guide roller set 61 is conveyed.
B areas are mainly precompressed dewatering period
Sludge mobility after gravity dehydration has almost been lost, with the operation forward of machine strainer, upper lower filter belt distance by
Tapered small, material starts by ascending extruding force, and the effect of tapered region is the extension gravity dehydration time, increases floccule
The extrusion stability of material, to be prepared into higher-pressure region.
Tapered region includes the first guide roller set 51 and the second guide roller set 61, and the first guide roller set 51 is used to convey the after separation
One strainer, the second defeated mud strainer that the second guide roller set 61 is used for after conveying separation, the first defeated mud strainer and the second defeated mud strainer
The wedge-shaped press filtration region of the formation of crossed belt press filtration roller 7 one of joint.The wedge formed by the first defeated mud strainer and the second defeated mud strainer
Shape press filtration region applies extruding force to sludge, carries out pre- press-dehydrating, to meet filter-press dehydration to sludge liquid content and mobility
It is required that.
C areas high pressure dewatering period
Hollow spline filter roller is designed using linear contact lay, forms Points replacing surfaces, so as to improve pressure water operating efficiency.Material enters pressure
During power area, material in the area along strainer, constantly strengthen forward by operating pressure, and material is squeezed volume contraction after power, contained
Free water is extruded to form filter cake output, so far completes whole processing procedure.
Referring to Fig. 5, the area is high pressure dewatering period partial enlarged drawing, wherein the area it is main be precompressed dewatering period the first defeated mud strainer and
Second defeated mud strainer is after the merging of crossed belt press filtration roller 7, and the first defeated mud strainer and the second defeated mud strainer band are led entrainment of sludge through one
After filtering roller 1, the second press filtration roller, the 3rd press filtration roller, the 4th press filtration roll-in filter through hollow spline respectively after to roller 8, into outside two
Separated in power roller after driven roller 5, lower driven roller 6.
Now sludge abjection is transported to sludge conveyer belt；First defeated mud strainer and the second defeated mud strainer are included by multiple respectively
First deflector roll 51 and the second deflector roll 61 convey the first strainer and the second strainer respectively.
Wherein the second strainer is used for the sludge for conveying A, B area, in the strainer of B areas first and the second strainer through wedge-shaped press filtration region
Enter high pressure dewatering period through a guide roller 8 after merging.
The first press filtration roller of the present invention be hollow spline filter roller 1 it is engineered after dehydration concerted effort by original about 10 tons/it is small
When bring up to 40 ton hours.
The effect of guide roller mainly regulation strainer enters the angle that hollow spline filters roller 1.
Applicants have discovered that hollow spline filter roller 1 enters roller angle for 15 °, go out roller angle for 5 ° when water outlet it is most fast, be
Optimum implementation.
Go out the roller angle and the roller angle of entering of the 4th press filtration roller of 3rd press filtration roller are respectively 45 ° and -45 °；4th press filtration roller
The roller angle that goes out to be -30 ° be also optimum implementation.
The angle of the present invention refers to level angle.
Operation principle
After sludge and certain density flocculant are sufficiently mixed in a mixer, the minute solid particles in sludge are condensed into
The larger floccule mass of volume, while isolating Free water, sludge is transported on the strainer of concentration gravity dehydration, in the effect of gravity
It is lower to form the sludge of not flow regime, then be transported between two strainers, it is ascending by wedge-shaped precompressed, low pressure and high pressure
Under extruding force, shearing force, sludge is progressively extruded, to reach that the mud of maximum most fast degree, water are separated, filter cake is eventually formed defeated
Go out.
Claims (3)
1. roller is filtered in a kind of press filtration for belt type sludge filter press, it is characterised in that the press filtration filter roller is hollow spline, institute
Hollow spline press filtration filter roller is stated to be made up of hollow, multiple circular reinforcing bars separately.
2. roller is filtered in press filtration as claimed in claim 1, it is characterised in that the press filtration filter roller is radially provided with reinforcement.
3. roller is filtered in press filtration as claimed in claim 2, it is characterised in that the circular rod is 20, the reinforcement is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203869.XA CN107050971A (en) | 2017-03-30 | 2017-03-30 | Roller is filtered in a kind of press filtration for belt type sludge filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710203869.XA CN107050971A (en) | 2017-03-30 | 2017-03-30 | Roller is filtered in a kind of press filtration for belt type sludge filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107050971A true CN107050971A (en) | 2017-08-18 |
Family
ID=59602438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710203869.XA Pending CN107050971A (en) | 2017-03-30 | 2017-03-30 | Roller is filtered in a kind of press filtration for belt type sludge filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107050971A (en) |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2228476Y (en) * | 1994-12-31 | 1996-06-05 | 王树昌 | Plastic double-layer hollow wall support roller |
| KR20020096769A (en) * | 2001-06-21 | 2002-12-31 | 김용훈 | Vacuum high pressure dehydrator with improved dewatering efficiency |
| EP1447361A1 (en) * | 2003-02-12 | 2004-08-18 | Kampf GmbH & Co. Maschinenfabrik | Roller for a winding machine |
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| CN101225116A (en) * | 2008-02-15 | 2008-07-23 | 郑州精华实业有限公司 | Potato residues hydroextractor |
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| CN201357013Y (en) * | 2009-02-26 | 2009-12-09 | 江西安晟化工科技有限公司 | Belt pressure filter |
| CN201983614U (en) * | 2010-12-29 | 2011-09-21 | 佛山市南海金刚新材料有限公司 | External reinforced ceramic roller |
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| CN102600656A (en) * | 2012-01-10 | 2012-07-25 | 广西力源宝农林科技发展有限责任公司 | Novel high-performance belt pressure filter |
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| CN203002078U (en) * | 2011-12-20 | 2013-06-19 | 广西力源宝农林科技发展有限责任公司 | Permeable type pressure roller of belt filter press |
| CN104069671A (en) * | 2014-06-25 | 2014-10-01 | 扬州市天龙环保设备有限公司 | Concave and convex rolling shaft pressure device of belt filter press |
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| CN105463599A (en) * | 2015-07-10 | 2016-04-06 | 上海太平洋纺织机械成套设备有限公司 | High-frequency source electric heating thermal setting roller |
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-
2017
- 2017-03-30 CN CN201710203869.XA patent/CN107050971A/en active Pending
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|---|---|---|---|---|
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| KR20020096769A (en) * | 2001-06-21 | 2002-12-31 | 김용훈 | Vacuum high pressure dehydrator with improved dewatering efficiency |
| EP1447361A1 (en) * | 2003-02-12 | 2004-08-18 | Kampf GmbH & Co. Maschinenfabrik | Roller for a winding machine |
| JP2005189545A (en) * | 2003-12-25 | 2005-07-14 | Ricoh Co Ltd | Thin roller and method for manufacturing thin roller |
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| CN101306273A (en) * | 2008-01-30 | 2008-11-19 | 华章电气（桐乡）有限公司 | Strap filter-press dehydration technique and device |
| CN101225116A (en) * | 2008-02-15 | 2008-07-23 | 郑州精华实业有限公司 | Potato residues hydroextractor |
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| CN201983614U (en) * | 2010-12-29 | 2011-09-21 | 佛山市南海金刚新材料有限公司 | External reinforced ceramic roller |
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| CN104069671A (en) * | 2014-06-25 | 2014-10-01 | 扬州市天龙环保设备有限公司 | Concave and convex rolling shaft pressure device of belt filter press |
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| CN105463599A (en) * | 2015-07-10 | 2016-04-06 | 上海太平洋纺织机械成套设备有限公司 | High-frequency source electric heating thermal setting roller |
| CN206660723U (en) * | 2017-03-30 | 2017-11-24 | 通山新知力环保设备机械厂（普通合伙） | Roller is filtered in a kind of press filtration for belt type sludge filter press |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170818 |