CN105536330A - Renewable spent lye filter device and using method thereof - Google Patents
Renewable spent lye filter device and using method thereof Download PDFInfo
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- CN105536330A CN105536330A CN201610072660.XA CN201610072660A CN105536330A CN 105536330 A CN105536330 A CN 105536330A CN 201610072660 A CN201610072660 A CN 201610072660A CN 105536330 A CN105536330 A CN 105536330A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
Abstract
The invention provides a renewable spent lye filter device and a using method thereof. The filter device comprises a shell mechanism, a filter element component and a screen filter, wherein the shell mechanism is provided with a filter chamber; the filter element component comprises a filter element; the screen filter is installed in a preset position of the filter chamber and faces the filter element at intervals, so that a first filtering area and a second filtering area are formed in the filter chamber; large-particle impurities are intercepted in the first filtering area by the screen filter; the filter element is arranged in the second filtering area; particulate impurities are filtered by the filter element. The filter device has the beneficial effects that the filter capacity and filter precision of the spent lye are effectively improved and the activity of the lye is restored through multistage filtration of the spent lye, thus achieving the aims of effectively purifying and recycling the spent lye in wash bottles.
Description
Technical field
The present invention relates to a kind of filtered and recycled field, specifically, is a kind of Reproducible filtering device and using method thereof of being applicable to carry out spent lye Recovery Purifying.
Background technology
Along with the fast development of Chinese national economy, Living consumption improves constantly, and the alcohol industry of China takes off, and especially the development of beer industry is noticeable especially, brings a series of resources and environment problem while its fast development.In beer production, washing and recycling bottle and a large amount of dirty spent lyes can be produced after scrubbing pot body, the alkali concn of these spent lyes is generally in 1% ~ 2% scope, belong to high temperature, height is turbid, corrosivity is strong special industrial waste water, if directly discharged, be not only the waste of resource, also can cause brewery sewage treating stations water quality transient change, have irreversible negative effect to biological activated sludge.Existing processing mode is discharged after acid adding regulates alkali concn, and this not only can cause extra sour consumption, also directly can cause effective alkali ingredients from lossing a large amount of in spent lye, not meet cleaner production requirement, is also unfavorable for reducing production cost.Thus, be necessary to carry out Recovery Purifying utilization to spent lye, solve beer industry and implement salkali waste link problem in cleaner production.
Because alkali lye is when cleaning bottle and pot body, produce paper fiber and label on viscose glue cause spent lye to have higher turbidity, general within the scope of 50 ~ 80EBC, millimeter paper there are aluminium foil, tinfoil paper etc. and alkali generation chemical reaction simultaneously, produce the colloidal solid of thickness, increase viscosity and the tension force of alkali lye, reduce alkali lye penetrating power and activity, thus wash bottle spent lye has high suspended matter content, high microsteping content and full-bodied feature.And the equipment of spent lye recycling that domestic market produces for the wash bottle of beer industry bottle washing machine is not a lot, the settling tank that most employing floor space is larger and ceramic filtering device combination, remove most impurity in spent lye by adding chemical floc in the spent lye of settling tank.Spent lye by staticly settling 2 ~ 3 days, could reclaim supernatant in settling tank, not only consuming time longer, and floor space is larger, general needs more than 20 square metre, cause restriction to the quantity of settling tank, usually cause settling tank sufficient not, cannot filter in time, reduce the production efficiency of producer, be difficult to expand the scale of production, moreover, be used alone the requirement that settling tank also cannot reach filtering accuracy and filtration yield, only can increase the weight of spent lye with the combination of other filters and reclaim and bear.
On the other hand, when using caustic dip bottle or pot body, for reaching higher cleaning performance, the heat alkali liquid of most employing 75 ~ 90 DEG C, once adopt settling tank to staticly settle 2 ~ 3 days, will serious heat loss be caused, need after recovery to reheat and just can reach the cleaning requirement of heat alkali liquid to wash bottle, increase the recycling cost of spent lye, be unfavorable for the competition of brewery.
Another kind of filter type adopts mechanical chain net filtration to add ceramic particle combination and/or membrane filtration system.Wherein, because the impurity in spent lye is comparatively complicated, mechanical filter effectively cannot tackle the fine suspension in alkali lye, its precision is difficult to reach filtering requirement, and the fault rate that is in operation is higher, alkali lye before filter after filter easily mixes, and also just cannot effectively purify spent lye and recycle.And the cost of membrane filtration system is higher, consumptive material speed is fast, and need every year on average to change once, the value of film filtering material consumption almost with energy-conservation is close, and cost of investment is high, and membrane filtration is difficult to again reach filtration yield, can not meet actual production speed and needs.And membrane filtration system generally needs first to precipitate and refilters, the still use of unavoidable settling tank.
Summary of the invention
Main purpose of the present invention is to provide a kind of renewable spent lye filter and using method thereof, and it is by the multiple times of filtration to spent lye, effectively improves filtration yield and the filtering accuracy of spent lye, thus is applicable to effectively purify recycling to spent lye.
Another object of the present invention is to provide a kind of renewable spent lye filter and using method thereof, it is by removing the impurity in spent lye step by step, progressively recover alkali lye active, lay the foundation for next stage filtration reaches better effect, take into account filtering traffic and filtering accuracy, thus improve the activity of spent lye and repeat to reclaim utilization rate.
Another object of the present invention is to provide a kind of renewable spent lye filter and using method thereof, wherein, described filter material power of regeneration is strong, carried out on-line cleaning and regeneration, do not need detaching equipment to take out filter core to regenerate, reduce labour intensity, thus improve the operational efficiency of recovery system, reduce operation troubles rate.
Another object of the present invention is to provide a kind of renewable spent lye filter and using method thereof, wherein, described filter material cost is low, well below membrane filtration cost, meanwhile, the loss of filter material is low, compared to the annual replacing of membrane filtration, filter material extends service life greatly, effectively reduces the use cost of filter material.
Another object of the present invention is to provide a kind of renewable spent lye filter and using method thereof; it comprises filtration core and sieving part; filter is made to form the first filter district and the second filter district by sieving part; described sieving part is tackled bulky grain solid content in the first filter district; meet the requirement of filtering traffic; thus the filtration core in protection second filter district, avoid millimeter paper on the impact of the filter area of filtration core.
Another object of the present invention is to provide a kind of renewable spent lye filter and using method thereof, wherein, sieving part and the first filter district are applicable to interception and store large granular impurity, be achieved the automatically cleaning of filtration core, thus prevent the frequent backwash of filtration core by backwash sieving part.
Another object of the present invention is to provide a kind of renewable spent lye filter and using method thereof, wherein, sieving part comprises sieving valve, to get rid of the coating granule that filtration core drops, thus when avoiding backwash, coating impurity is blocked in inside sieving part.
Another object of the present invention is to provide a kind of renewable spent lye filter and using method thereof, it comprises deslagging component further, and press dry the alkali lye in the first filter district after terminating for filtration, thus realize dried slag removing, be convenient to cleaning, decreasing pollution discharges.
Another object of the present invention is to provide a kind of renewable spent lye filter and using method thereof, its floor space is little, do not need settling tank, Clear liquid tank and associated conduit thereof connect, not only filter in time, reduce thermal loss, the situation that settling tank quantity can also be avoided inadequate occurs, and enhances productivity.
Another object of the present invention is to provide a kind of renewable spent lye filter and using method thereof, it does not need chemical coagulator, effectively spent lye is filtered by the mode of physical filtering, not only immediately can filter the turbidity reduced in spent lye, reused, the loss of the effective alkali composition in spent lye can also be reduced, improve recycle of alkali liquor rate.
Another object of the present invention is to provide a kind of renewable spent lye filter and using method thereof, it successfully proposes an economy, effectively solution and removes all kinds of impurity in spent lye, and solve the problem of filter material on-line cleaning and regeneration, thus reduce the operating cost of recovery system.
For reaching above object, the technical solution used in the present invention is: renewable spent lye filter comprises casing mechanism, and described casing mechanism has filter chamber; Filter core member, described filter core member comprises filtration core; And sieving part, described sieving part is installed on the predeterminated position of described filter chamber, compartment of terrain is towards described filtration core, described filter chamber is made to form the first filter district and the second filter district, by described sieving part, large granular impurity is retained in described first filter district, described filtration core is arranged at described second filter district, by described filtration core filtering granulometric impurity.
Further, described sieving part both sides are respectively equipped with horn mouth and material mouth, and described in the axial UNICOM of described material mouth, district is filtered in the first filter district and described second, and described sieving part reduces gradually from described horn mouth to the sidewall diameter of described material mouth.
Further, described sieving part comprises a sieving valve, and described sieving valve is installed at the bottom of the cone of described sieving part opening or closing, and for opening or closed described material mouth, wherein, described sieving part cone compartment of terrain, the end is towards described filtration core.
Further, the sieve aperture of described sieving part is horizontal strip, and described sieve aperture spacing is 1 millimeter.
Further, described filter comprises filter residue part further, and described casing mechanism is provided with slag-drip opening, and described filter residue part is installed on described slag-drip opening, towards described sieving valve, described filter residue part for filter and squeezing stay in described first filter district containing the spent lye having filtered impurity.
Further, described sieving part is installed on the predeterminated position below described filtration core, spacing between described sieving valve and described filtration core is suitable for the coating layer thickness meeting described filtration core, and the spacing between described sieving valve and described filter residue part is suitable for the unlatching of described sieving valve and large granular impurity filters gathering bottom district described first.
Further, described filtration core to be aperture the be filter core of 2 ~ 10 microns.
Further, the aperture of described filtration core is 5 microns.
Further, described filtration core is polyamide/polyethylene/active carbon composite filter core.
A using method for renewable spent lye filter, it comprises step:
S100, by the large granular impurity in sieving part filtering spent lye, forms the downward first level filtering device of filtrate flow;
S200 is by the large granulometric impurity in filtration core filtering filtrate, formed after filtering coatings until described filtration core, small particle impurity in filtering filtrate, until coating layer thickness increase to 5 ~ 10 millimeters and/or pressure differential reach setting value and following time, filtration core described in sieving part described in backwash and/or backwash and/or backwash; And
S300 is after described sieving part and the filtration of described filtration core terminate, and be filled with compressed air to described filter chamber, discharge spent lye, carry out filter residue by the filter residue part of deslagging component to described spent lye and press dry, wherein, described step S300 comprises step:
S310 is filled with compressed air, is ejected by the spent lye on described sieving part top, discharges the spent lye in described filter chamber, recoil to described sieving part;
S320 passes into extraneous gas makes spent lye produce rolling, impacts described filtration core outer surface, makes the coating Automatic-falling of described filtration core outer surface;
S330 opens the sieving valve of described sieving part, the coating impurity that described second filters district is discharged to described first filter district, is filtered and squeeze the spent lye containing described large granular impurity and granulometric impurity stayed in described first filter district by described filter residue part; And
S340 opens described deslagging component, is discharged by dry slag from slag-drip opening, wherein, within last minute, opens the sieving valve of described sieving part at deslagging.
Accompanying drawing explanation
Fig. 1 is the module diagram of renewable spent lye filter according to a preferred embodiment of the present invention.
Fig. 2 is the filter apparatus configuration plane according to above preferred embodiment of the present invention.
Fig. 3 is the first the sieving part stereogram according to above preferred embodiment of the present invention.
Fig. 4 is the second sieving part stereogram (sieving valve open state) according to above preferred embodiment of the present invention.
Fig. 5 is the second sieving part stereogram (sieving valve closes state) according to above preferred embodiment of the present invention.
Fig. 6 A is the sieving part side view (open mode) according to above preferred embodiment of the present invention.
Fig. 6 B is the sieving part side view (closure state) according to above preferred embodiment of the present invention.
Fig. 7 is the third sieving part stereogram according to above preferred embodiment of the present invention.
Fig. 8 is the sieving part sectional view according to above preferred embodiment of the present invention.
Fig. 9 is the schematic diagram of sieving part according to above preferred embodiment of the present invention and filtration core.
Detailed description of the invention
Below describe and realize the present invention for disclosing the present invention to enable those skilled in the art.Preferred embodiment in below describing only as an example, it may occur to persons skilled in the art that other apparent modification.
Is renewable spent lye filter 10 as shown in Fig. 1 to Fig. 9, and described filter 10 comprises casing mechanism 11, and described casing mechanism 11 has filter chamber 110; Filter core member 12, described filter core member 12 comprises described filtration core 121; And sieving part 13, described sieving part 13 is installed on the predeterminated position of described filter chamber 110, compartment of terrain is towards described filtration core 121, described filter chamber 110 is made to form the first filter district 111 and the second filter district 112, by the filtration of described sieving part 13, large granular impurity is stored in described first filter district 111, described filtration core 121 is arranged at described second filter district 112, is able to filtering granulometric impurity by the filtration of described filtration core 121.Thus by the multistage filtering of described sieving part 13 and described filtration core 121 pairs of spent lyes, effectively improve filtration yield and the filtering accuracy of spent lye, thus be applicable to recycle effective purification of spent lye.
The spent lye that described renewable spent lye filter 10 is applicable to bottle washing machine produces reclaims, especially beer bottle, also beverage bottle can be applied to, the recovery of medicine bottle and other bottles, described filter 10 includes but not limited to only to the recovery of spent lye material, also may be used for filtering the industrial wastewater containing plurality of impurities and sanitary sewage.
Impurity in spent lye contains bulky grain and particulate, wherein, described large granular impurity includes but not limited to trade mark, silt and cullet slag, due to the kind of large granular impurity and shape more, size is relatively large, such as label paper broken can resolve into paper scrap not of uniform size through dipping by lye after stripping, if filtered by filtration core 121, the filter opening of easy blocking filtration core 121, affect filter area, cause the decline of filtering traffic, cause the frequent backwash to filtration core 121, in order to protect filtration core 121, filtrate flows path first arranges described sieving part 13, spent lye carrys out filtering large granular impurity by described sieving part 13, and meet the filtering traffic of filtration core 121, described particulate includes but not limited to the large particulate of more than 5 μm and the small particle of more than 1 ~ 5 μm, large particulate in first filtrate cannot form large particulate coatings by described filtration core 121 on described filtration core 121 surface, along with the thickening of large particulate coatings, the filtering accuracy of described filtration core 121 is improved, tackle small particle gradually, the composition of described small particle impurity includes but not limited to the ink molecules of more than 1 ~ 5 μm colloidal solid and part trade mark, colloid is trade mark adhesive and the reaction product of aluminium foil glue in alkali lye, the viscosity of alkali lye can be increased, reduce alkali lye active, and the suspension be adsorbed in due to a colloid part in alkali lye, a part is adsorbed in paper fiber, some particle is too little and be dissolved in liquid, therefore, colloidal solid not of uniform size, consider the filtration yield that spent lye reclaims and filtering accuracy, be difficult to by the disposable removal of a kind of filter material.Thus, removed the impurity in spent lye by multiple filter material step by step, progressively recover alkali lye active, being filtered into next step and filtering and reach better effect and lay the foundation of every one-level, improve filtering accuracy while meeting filtration yield steadily, thus improve the activity of spent lye and repeat to reclaim utilization rate.
In other words, the impurity of spent lye is due to complicated component and not of uniform size, in order to take into account filtering traffic and filtering accuracy, and the using and regenerate of available protecting filter material, draw through repetition test and multistage filtering is carried out to spent lye, for the ease of understanding, impurity is decided to be described large granular impurity by the present embodiment respectively pointedly, large granulometric impurity and small particle impurity, but according to selecting different filter materials, the composition of impurity screening at different levels and size and the present embodiment may be made different, large granular impurity is not these impurity is simultaneously all graininess, impurity is different, sort out and be referred to as large granular impurity.
Wherein, described casing mechanism 11 is also provided with material inlet 113, flows in described filter 10 for spent lye; Slag-drip opening 114, the impurity for filtering in described filter 10 is discharged; Butterworth Hatch 115, described Butterworth Hatch 115 is arranged at above described casing mechanism 11, is passed into water source and cleans described filter chamber 110; Exhaust outlet 116, is able to filter chamber 110 pressure by filter 10 described in exhaust and air inlet adjustment; And backwash water inlet 117, passed into water source and backwash operation is carried out to described filtration core 121.
Wherein, described filter core member 12 also comprises filtration core house steward 122, and described filtration core house steward 122 connects described filtration core 121, and the outlet of filtration core 121 described in each is connected with described filtration core house steward 122.Described filter core member 1212 is provided with backwash mouth 123 and back blow port 124, described backwash mouth 123 and described back blow port 124 are arranged at the both sides of described filtration core house steward 122 respectively, wherein, described back blow port 124 carries out blowback operation by being communicated with compressed air for described filtration core 121, and described backwash mouth 123 carries out backwash operation by being communicated with water source for described filtration core 121.
Shown in Fig. 4 to Fig. 8 is described sieving part, and described sieving part 13 compartment of terrain is arranged at below described filtration core 121, and described sieving part 13 is in horn structure, and the horn mouth 130 of described sieving part 13 is towards described filtration core 121.Be provided with material mouth 131 bottom described sieving part 13, described in the described axial UNICOM of material mouth 131, district 112 is filtered with described second by the first filter district 111, is discharged to described first filter district 111 for by the particulate coatings in described second filter district 112.Wherein, described sieving part 13 comprises sidewall 132 and sieving valve 133, the sidewall 132 of described sieving part 13 is tilted to downward-extension, form described material mouth 131, described sidewall 132 reduces gradually from described horn mouth 130 to the diameter of described material mouth 131, the not only filter area of sieving part 13 described in expanded, the space in described first filter district 111 can also be expanded, more impurity is made to be dispersed in described first filter district 111, prevent too much large granular impurity from not blocking described sieving part 13 due to space, or be forced through described sieving part 13 and block described filtration core 121, wherein, described sieving valve 133 is installed on the bottom of described sieving part 13, for opening or closing described material mouth 131, so that district 112 is filtered with described second by the first filter district 111 described in UNICOM opening or closing.
In other words, the tapered structure of described sieving part 13, can be conical or triangular pyramidal, be preferably conical structure, described sieving part 13 bores compartment of terrain, the end towards described filtration core 121.Wherein, described material mouth 131 is arranged at described sieving part 13 and bores the end, and described sieving valve 133 is installed at the bottom of the cone of described sieving part 13, for opening or closed described material mouth 131.Wherein, described sidewall 132 stretches out from described cone slanted floor, and the coating of described filtration core 121 is suitable for dropping in described sieving part 13, then is discharged to described first filter district 111 by described material mouth 131.That is the upside diameter of described sieving part 13 is not less than the diameter of described filter core member 12.
Wherein, the sidewall 132 of described sieving part 13 is provided with sieve aperture 134; described in described sieve aperture 134 side direction UNICOM, district 112 is filtered with described second by the first filter district 111; the size of described sieve aperture 134 is less than described large granular impurity; for the large granular impurity in interception spent lye; for described filtration core 121 cascade filtration provides good basis, avoid large granular impurity on the impact of described filtration core 121 filter area, the filtration core 121 in the second filter district 112 described in available protecting.
Wherein, the shape of described sieve aperture 134 is strip or the corrugated of vertical or horizontal arrangement, also can be square or circular mesh.But because the label paper in described large granular impurity resolves into flexible paper scrap or bending official form for filing a lawsuit fiber, it not the particle of rigidity, if the circle of selection or square sieve aperture 134 easily result in blockage, recoil simultaneously and be also difficult to remove, and mesh sieve operationally filtrate through mesh flow through formed directed flow, the easier flow direction along liquid of paper scrap is stuck on mesh, mesh screen blinding plug may be caused serious, affect the normal operation that next stage filters.Preferably, described sieving part 13 is made up of V-arrangement filter element 135 and support bar, described sieve aperture 134 is formed between filter element 135 described in each, described sieve aperture 134 is horizontal strip, so that easier by sieve aperture 134 or be directly blocked in sidewall 132 outer surface during the paper fiber flow direction sieve aperture 134 of flexibility, sieve aperture 134 place can not be stuck in, and the paper fiber size passed through is less, described sieving part 13 also has predeterminable range with described filtration core 121, the paper fiber passed through not only can be dispersed in the second filter district 112, also can by the filtering of described filtration core 121.
Preferably, described sieving part 13 can be selected from the one in trapezoidal screen cloth, wedge shaped wires screen casing, stainless steel wrap wire filter core or Johnson's filter core.
The spacing of described sieve aperture 134 meets the filtering traffic of described filtration core 121 while being suitable for tackling described large granular impurity, the spacing of described sieve aperture 134 is 0.2 ~ 2mm, if the spacing of sieve aperture 134 is less, though can filtering accuracy be improved, but filtering traffic is difficult to the filtration meeting described filtration core 121, if the spacing of sieve aperture 134 is larger, although filtering traffic improves, but cannot filtration core 121 described in available protecting, simultaneously in actual motion, described sieve aperture 134 spacing easily causes label paper to be stuck in gap too greatly, the backwash of described sieving part 13 is impacted.Preferably, the spacing of described sieve aperture 134 is 1mm.When described sieve aperture 134 spacing is 1mm, the filtering traffic that described sieving part 13 can reach is 200T/h, greatly meet the requirement to filtering traffic 10 ~ 30T/h, but consider that the alkali lye viscosity that impurity factor and colloidal solid cause increases, selection can reach the sieving part 13 being greater than predetermined filtering traffic, as selected sieve aperture 134 spacing to be the bar shaped screen cloth of 1mm, filtering traffic can reach 200T/h, avoids the frequent backwash of described filtration core 121.
Described sieving part 13 is installed on the predeterminated position below described filtration core 121, is suitable for the formation of the storage area in described first filter district 111, so that be stored in dispersedly in described first filter district 111 by the large granular impurity of described sieving part 13 single filter.Wherein, spacing between described sieving valve 133 and described filtration core 121 is suitable for the coating layer thickness spacing meeting described filtration core 121, the filtering coatings thickness of described filtration core 121 is roughly at 5 ~ 10mm, if the spacing between described sieving valve 133 and described filtration core 121 is too little, the automatically cleaning filtering and terminate the rear backwash to sieving part 13 and described filtration core 121 will be affected, cause the frequent backwash of described filtration core 121, shorten the service life of described filtration core 121, if and spacing between described sieving valve 133 and described filtration core 121 is too large, unnecessary space can be taken too much again.Wherein, spacing between described sieving valve 133 and the bottom slag discharge 114 of described casing mechanism 11 is suitable for the unlatching of described sieving valve 133, meet described sieving valve 133 to open or closed space needed for described material mouth 131, also meet the storage area of described large granular impurity in described first filter district 111 simultaneously, too much cause described sieving valve 133 to open in order to avoid impurity gathers in described first filter district 111, be also just difficult to the particulate coatings in described second filter district 112 to be discharged.Thus described sieving part 13 and the first filter district 111 are applicable to interception and store described large granular impurity, and described sieving valve 133 is suitable for the coating granule that eliminating filtration core 121 drops, thus when avoiding backwash, particulate coatings impurity is blocked in inside sieving part 13 simultaneously.
Described filter 10 comprises deslagging component 14 further, described deslagging component 14 is for opening or closed described slag-drip opening 114, wherein, described deslagging component 14 comprises support member 141 and filter residue part 142, described support member 141 connects outside described casing mechanism 11 rotationally, described filter residue part 142 is installed on described support member 141 side, towards described slag-drip opening 114, when described deslagging component 14 closes described slag-drip opening 114, described filter residue part 142 enters described slag-drip opening 114, for filtering and squeeze the spent lye containing described large granular impurity and granulometric impurity stayed in described first filter district 111, thus described filter residue part 142 press dry the alkali lye in the first filter district 111 after terminating for filtration, thus realize dried slag removing, be convenient to cleaning, decreasing pollution discharges.
Wherein, described filter residue part 142 is made up of multiple stainless steel filter core, described filter residue part 142 is positioned at below described sieving valve 133, described sieving valve 133 has preset pitch with described filter residue part 142, described preset pitch be suitable for described sieving valve 133 unlatching and meet described large granular impurity accumulate in described first filter district 111 bottom storage area, prevent from filtering the unlatching that the large granular impurity accumulated between described sieving valve 133 and described filter residue part 142 after terminating disturbs described sieving valve 133.
Preferably, described filtration core 121 length 2 meters, heatproof can reach 120 DEG C, and described filter residue part 142 comprises 30 5 inches of stainless steel filter cores.
After described filter 10 filtration terminates, clean deslagging is carried out to described filter chamber 110, backwash is selected to the cleaning mode of described filtration core 121, backwash and self-cleaning one or more, pressure difference according to setting judges whether to carry out backwash to described filtration core 121, as the pump discharge that sets according to field conditions and as described in pressure differential in filter 10 at 0.1MPa, the alkali lye in described second filter district 112 is first ejected with compressed air, according to determining whether running time, backwash is carried out to described filtration core 121, if pressure differential does not reach 0.1MPa, with regard to not needing, backwash is carried out to described filtration core 121, backwash or self-cleaning mode can be selected, wherein, the backwash of described filtration core 121 carries out backwash with described filtration core house steward 122 to described filtration core 121 outer surface by described backwash mouth 123, when described automatically cleaning is by carrying out backwash to described sieving part 13, the related impact of described the filtration core 121 and particulate coatings on described filtration core 121 surface is come off.And in course of normal operation, because the large granular impurity in described spent lye is by the filtering of described sieving part 13, the particulate coatings that described filtration core 121 surface is formed is thinner, and comparatively easily depart from described filtration core 121 surface, therefore, less backwash is carried out to described filtration core 121, time mainly by carrying out backwash to described sieving part 13, the particulate coatings on described filtration core 121 surface is fluctuated and Automatic-falling, thus reach the object of cleaning at the filtering layer that described in backwash, during sieving part 13, described filtration core 121 can take off outside, thus reach self-cleaning effect.
Wherein, first the backwash of described sieving part 13 is be filled with compressed air, the spent lye on described sieving part 13 top is ejected, discharge the spent lye in described filter chamber 110, recoil to described sieving part 13, the millimeter paper being attached to described sieving part 13 outer surface leaves the outer surface of described sieving part 13 along with the sinking of spent lye, the spent lye of discharge completes pressing dry of filtering out impurities by described filter residue part 142, carry out dried slag removing again, effectively avoid the pollution of spent lye.Wherein, particulate coatings due to the filtering of described filtration core 121 is colloidal type impurity, when to 13 backwash of described sieving part, because the sieve aperture 134 of liquid by described sieving part 13 flows from described second filter district 112 to described first filter district 111, described particulate coatings is easily blocked in the madial wall 132 of described sieving part 13, for the ease of the eliminating of described second filter district 112 impurity, the sieving valve 133 of described sieving part 13 within last minute, is opened at deslagging, so that the impurity in described second filter district 112 is discharged to described first filter district 111 from described sieving valve 133, if too early open described sieving valve 133, alkali lye is directly discharged from described sieving valve 133, the recoil to described sieving part 13 will be weakened, do not have backwash effect preferably.
Secondly, open the inner case that slag-drip opening 114 observes described filter 10, if there is a lot of booty, described filter chamber 110 is rinsed by described Butterworth Hatch 115 water, not only moisture can be fitted in each grouping filter core, backwash be carried out to described sieving part 13, in addition simultaneously, in described filter chamber 110, CIP is installed and washes ball, be able to clean the residual foreign material in described filter chamber 110.
It is worth mentioning that, a long blast pipe can be installed additional at exhaust outlet 116 place of described filter 10, when discharging spent lye and carrying out backwash to described sieving part 13, outside air enters in described filter chamber 110, spent lye is made to produce rolling by passing into gas, impact described filtration core 121 outer surface, make the coating Automatic-falling of described filtration core 121 outer surface, thus during backwash, the impurity that described sieving part 13 and described filtration core 121 retain very easily is rinsed well by gas-liquid, cleaning performance is good, using water wisely, simplified the clean operation to described filtration core 121, do not need the frequent backwash of described filtration core 121, be achieved on-line cleaning and regeneration, keep the filtering accuracy of described filtration core 121, extend the service life of described filtration core 121.
Wherein, the aperture of described filtration core 121 is 1 ~ 10 micron, because the impurity component in described spent lye and size cases are comparatively complicated, selects the filter material of different pore size and material to be also not quite similar to the impurity filtering in described spent lye.
Described filtration core 121 includes but not limited to stainless steel foldable filter element with the material that can select, titanium rod filter core, ceramic element, polypropylene melt blown filter (PP), collapsible micropore filter element (PTEE), active carbon filter core, binodal filter core (above saves polypropylene, lower joint active carbon and other combinations), ion exchange resin filter core, polyether sulfone filter core (PES), aluminium oxide filter core, cellulose sintered filter core, nylon filter core (NY), polytetrafluoroethylene (PTFE) filter core, polyethylene filter core (PE), polyamide filter core (PA), Kynoar filter core (PVDF), polystyrene filter core, its any copolymer, its any derivative, and any compound.Described active carbon can be that carbon, CNT, carbon nanohorn, Bamboo-shaped are carbon nano-structured, fullerene and fullerene aggregation, Graphene and combination thereof.Described filter core is high temperature resistant resistance to highly basic, makes described filtration core 121 be applicable to filter wash bottle spent lye.
Preferably, described filtration core 121 is polyamide/polyethylene/active carbon composite filter core (writing a Chinese character in simplified form into PA/PE/C), and described filter core not only power of regeneration is strong, carried out on-line cleaning and regeneration, and cost is low, good filtration effect, coating easily comes off, long service life.Through Experimental comparison, some filter core regeneration comparatively difficulty, need detaching equipment to take out filter core could regenerate, as stainless steel foldable filter element, the effect of backwash is undesirable, dregs punching in interlayer is not out, affect filtration yield, and the filter core blowback of ceramic-like is washed with the regeneration efficiency of backwash low, and the described PA/PE/C composite filter element selected not only has the resistant to elevated temperatures advantage of polyamide, heatproof can reach 120 DEG C, overcoming polyethylene cannot resistant to elevated temperatures shortcoming, also there is polyethylene and can sinter the advantage of specifying aperture into, simultaneously, adding due to active carbon in described filter core, improve the ink clearance in described spent lye, improve the decolorizing effect of described filtration core 121.If polyethylene filter core is as filtration core 121, because the viscosity in described first filtrate is larger, described granulometric impurity easily adheres to described filtration core outer surface and is difficult to come off, and the rigidity of described PA/PE/C composite filter element is enhanced, described filtration core 121 is rigid, is also easy to removal to the coating that comparatively glutinous fine grained is formed.
The power of regeneration of described composite filter element is strong, is carried out on-line cleaning and regeneration, does not need detaching equipment to take out filter core and regenerates, reduce labour intensity, thus improve the operational efficiency of described Reproducible filtering device 10, reduce operation troubles rate.Simultaneously, the cost of described composite filter element is low, well below membrane filtration cost, 1/10 of membrane filtration cost, and the loss of described composite filter element is low, relative to the annual replacing of membrane filtration, described composite filter element generally can use 3 ~ 5 years when not having External force interference, thus the service life of described composite filter element extends greatly, effectively reduce the use cost of described composite filter element.Simultaneously, described sieving part 13 is the easier object being reached regeneration by backwash also, thus, two covering devices of the precipitation method are not only merged into set of device with coordinating of described filtration core 121 by described sieving part 13, reduce floor space, and filter efficiency gets a promotion, renewable and reuse, filtering accuracy and the flow of described filter 10 more easily return to initial state.Thus the situation that settling tank quantity not only can be avoided inadequate occurs, also the loss of reclaimed spent lye heat can be prevented, reclaimed spent lye in time and laid equal stress on new opplication in bottle washing machine, reduce spent lye in recovery heat scatter and disappear, reduce and cost is reheated to spent lye, thus contribute to the production efficiency improving wash bottle operating efficiency and brewery.
Preferably, the components by weight of in described PA/PE/C composite filter element PA: PE: C is 5: 1 ~ 6: 1 ~ 4, preferably, the components by weight of in described PA/PE/C composite filter element PA: PE: C is 5: 3: 2, wherein, described polyamide, polyethylene and active carbon make the PA/PE/C composite filter element of different pore size by the mode of sintering.
Preferably, described filtration core 121 is the PA/PE/C composite filter element in 5 μm, aperture.
It is worth mentioning that, described filtration core 121 is formed after coating until large granulometric impurity, its filtering accuracy improves gradually, as as described in the aperture of filtration core 121 be 5 μm, the particle just started being greater than 5 μm in described first filtrate filters, filtering coatings is formed at the outer surface of described filtration core 121, the filtering accuracy formed after coating can bring up to 1/5 of described filtration core 121 aperture, namely can tackle the small particle impurity of more than 1 μm, be able to colloidal solid and the part ink of 1 ~ 5 micron in the first filtrate described in filtering, thus effectively the described granulometric impurity of interception recovers the activity of progressively alkali lye.
A using method for renewable spent lye filter, it comprises step:
S100, by the large granular impurity in sieving part 13 filtering spent lye, forms the downward first level filtering device of filtrate flow;
S200 is by the large granulometric impurity in filtration core 121 filtering filtrate, after described filtration core 121 forms filtering coatings, small particle impurity in filtering filtrate, until coating layer thickness increase to 5 ~ 10 millimeters and/or pressure differential reach setting value and following time, filtration core described in sieving part 13 described in backwash and/or backwash and/or backwash; And
S300, after described sieving part 13 and described filtration core 121 filtration terminate, is filled with compressed air to described filter chamber 110, discharges spent lye, carry out filter residue press dry, for realizing dry deslagging, decreasing pollution by the filter residue part of deslagging component to described spent lye.
Wherein, described step S300 comprises step:
S310 is filled with compressed air, is ejected by the spent lye on described sieving part 13 top, discharges the spent lye in described filter chamber 110, recoil to described sieving part 13;
S320 passes into extraneous gas makes spent lye produce rolling, impacts described filtration core 121 outer surface, makes the coating Automatic-falling of described filtration core 121 outer surface;
S330 opens the sieving valve 133 of described sieving part 13, the coating impurity in described second filter district is discharged to described first filter district, filtered and squeeze the spent lye containing described large granular impurity and granulometric impurity stayed in described first filter district 111 by described filter residue part, thus described filter residue part 142 press dry the alkali lye in the first filter district 111 after terminating for filtration; And
S340 opens described deslagging component, is discharged by dry slag from slag-drip opening.
Wherein, described step S300 comprises step further: the sieving valve 133 opening described sieving part 13 at deslagging for last minute.
Described renewable spent lye filter and using method thereof successfully propose an economy, effectively solution and remove all kinds of impurity in spent lye, and solve the problem of filter material on-line cleaning and regeneration, thus reduce the operating cost of filter.
Embodiment 1 to embodiment 10
The operating procedure of embodiment 1 ~ 10 is identical, difference is the aperture of filtration core 121, the operating pressure of described filter 10 is set as 0.3MPa, operating temperature is 80 DEG C, and design temperature is 105 DEG C, and normal discharge is 10T/h, initial spent lye turbidity is 40.25EBC after measured, wherein, the mensuration of turbidity is detected by the desk-top transmissometer VosRota90/25 of Huffman, determined the alkali lye turbidity value of each embodiment by the measured value measuring 25 degree of angles.Filtration core 121 aperture of embodiment 1 ~ 10, by the filtrate turbidity of the filtration of described filter 10 and filtering traffic as shown in table 1.
The filtration core 121 of the different pore size of table 1 embodiment 1 ~ 10
As shown in Table 1, in order to take into account filtering traffic and filtering accuracy, and number of backwashes and regeneration complexity, at the filter core of lower selection larger aperture that satisfies condition, the preferred aperture of described filtration core 121 is 5 μm, the filtration being filtered into described filtration core 121 of described sieving part 13 provides better basis, when the aperture of described filtration core 121 is less than 5 microns, not only filtering traffic can decrease, also the frequent backwash to filtration core 121 can be caused, number of backwashes increases, described filtration core 121 also can carry out a flushing when pressure reduction reaches 0.05Mpa and blowback is washed, remove the coating of cartridge surface, reach the object of regeneration, filtering accuracy and flow return to initial state, thus described filter can ensure the filtering traffic of spent lye while being minimized spent lye turbidity.
The present invention is very suitable for obtaining the result and advantage and those intrinsic results and advantage mentioned herein.Disclosed particular is only illustrative above, because can with for benefiting from apparent difference those skilled in the art of instructing herein but the mode of equivalence to be modified to the present invention and put into practice.In addition, not for limiting, except what describe in detail in the claims the details of the structure shown herein or design.Therefore, it is obvious that, above disclosed specific illustrative embodiment can change, combine or revise, this type of changes all are regarded as in scope of the present invention and spirit.Illustrative disclosed the present invention herein can suitably when do not exist any herein with no specific disclosure of key element and/or any optional key element disclosed herein implement.Above-mentioned disclosed all numerals and scope can carry out a certain amount of change.When openly there is the number range of lower limit and the upper limit, specifically disclose and drop on any numeral within the scope of this and any scope contained.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and description; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in claimed scope of the present invention.The protection domain of application claims is defined by appending claims and equivalent thereof.
Claims (10)
1. a renewable spent lye filter, is characterized in that, comprising: casing mechanism, and described casing mechanism has filter chamber; Filter core member, described filter core member comprises filtration core; And sieving part, described sieving part is installed on the predeterminated position of described filter chamber, compartment of terrain is towards described filtration core, described filter chamber is made to form the first filter district and the second filter district, by described sieving part, large granular impurity is retained in described first filter district, described filtration core is arranged at described second filter district, by described filtration core filtering granulometric impurity.
2. renewable spent lye filter according to claim 1, it is characterized in that, described sieving part both sides are respectively equipped with horn mouth and material mouth, described in the axial UNICOM of described material mouth, district is filtered in the first filter district and described second, and described sieving part reduces gradually from described horn mouth to the sidewall diameter of described material mouth.
3. renewable spent lye filter according to claim 2, it is characterized in that, described sieving part comprises sieving valve, described sieving valve is installed at the bottom of the cone of described sieving part opening or closing, for opening or closed described material mouth, wherein, described sieving part cone compartment of terrain, the end is towards described filtration core.
4. renewable spent lye filter according to claim 1, is characterized in that, the sieve aperture of described sieving part is horizontal strip, and described sieve aperture spacing is 1 millimeter.
5. renewable spent lye filter according to claim 3, it is characterized in that, described filter comprises filter residue part further, described casing mechanism is provided with slag-drip opening, described filter residue part is installed on described slag-drip opening, towards described sieving valve, described filter residue part for filter and squeezing stay in described first filter district containing the spent lye having filtered impurity.
6. renewable spent lye filter according to claim 5, it is characterized in that, described sieving part is installed on the predeterminated position below described filtration core, spacing between described sieving valve and described filtration core is suitable for the coating layer thickness meeting described filtration core, and the spacing between described sieving valve and described filter residue part is suitable for the unlatching of described sieving valve and large granular impurity filters gathering bottom district described first.
7. according to described renewable spent lye filter arbitrary in claim 1 to 6, it is characterized in that, described filtration core to be aperture the be filter core of 2 ~ 10 microns.
8. renewable spent lye filter according to claim 7, is characterized in that, the aperture of described filter core is 5 microns.
9. renewable spent lye filter according to claim 1, is characterized in that, described filtration core is polyamide/polyethylene/active carbon composite filter core.
10. a using method for renewable spent lye filter, it comprises step:
S100, by the large granular impurity in sieving part filtering spent lye, forms the downward first level filtering device of filtrate flow;
S200 is by the large granulometric impurity in filtration core filtering filtrate, formed after filtering coatings until described filtration core, small particle impurity in filtering filtrate, until coating layer thickness increase to 5 ~ 10 millimeters and/or pressure differential reach setting value and following time, filtration core described in sieving part described in backwash and/or backwash and/or backwash; And
S300 is after described sieving part and the filtration of described filtration core terminate, and be filled with compressed air to described filter chamber, discharge spent lye, carry out filter residue by the filter residue part of deslagging component to described spent lye and press dry, wherein, described step S300 comprises step:
S310 is filled with compressed air, is ejected by the spent lye on described sieving part top, discharges the spent lye in described filter chamber, recoil to described sieving part;
S320 passes into extraneous gas makes spent lye produce rolling, impacts described filtration core outer surface, makes the coating Automatic-falling of described filtration core outer surface;
S330 opens the sieving valve of described sieving part, the coating impurity that described second filters district is discharged to described first filter district, is filtered and squeeze the spent lye containing described large granular impurity and granulometric impurity stayed in described first filter district by described filter residue part; And
S340 opens described deslagging component, is discharged by dry slag from slag-drip opening, wherein, within last minute, opens the sieving valve of described sieving part at deslagging.
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| CN105536330B (en) | 2018-01-23 |
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