CN105536330B - Renewable spent lye filter and its application method - Google Patents
Renewable spent lye filter and its application method Download PDFInfo
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- CN105536330B CN105536330B CN201610072660.XA CN201610072660A CN105536330B CN 105536330 B CN105536330 B CN 105536330B CN 201610072660 A CN201610072660 A CN 201610072660A CN 105536330 B CN105536330 B CN 105536330B
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Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention, which provides renewable spent lye filter and its application method, filter, to be included：Casing mechanism, there is filter chamber；Filter core member, including filtration core；And sieving part, it is installed on the predeterminated position of filter chamber, compartment of terrain is towards filtration core, so that filter chamber forms the first filter area and the second filter area, large granular impurity is retained in by the first filter area by sieving part, filtration core is arranged at the second filter area, granulometric impurity is filtered out by filtration core.So as to by the multistage filtering to spent lye, effectively improve the filtration yield and filtering accuracy of spent lye, the activity for recovering alkali lye reaches and effectively purifies recycling to wash bottle spent lye.
Description
Technical field
The present invention relates to one kind to be recovered by filtration field, is a kind of be applied to spent lye progress Recovery Purifying specifically
Reproducible filtering device and its application method.
Background technology
With the fast development of Chinese national economy, Living consumption is improved constantly, and the alcohol industry in China is flown
The development of jump sexual development, especially beer industry is even more noticeable, and a series of resource is brought while its is fast-developing
And environmental problem.In beer production, the spent lyes of a large amount of dirts can be produced after washing recovery bottle and scrub pot,
The alkali concn of these spent lyes belongs to high temperature, the special industrial waste water that height is turbid, corrosivity is strong typically in the range of 1%~2%,
If directly discharged, the waste of resource is not only, brewery sewage treating stations water quality transient change is also resulted in, to bioactivity
Sludge has irreversible negative effect.Existing processing mode is discharged after acid adding adjusts alkali concn, and this is not only resulted in additionally
Sour dosage, can also directly result in substantial amounts of effective alkali ingredients from lossing in spent lye, do not meet clean manufacturing requirement, be also unfavorable for
Reduce production cost.Thus, it is necessary to Recovery Purifying utilization is carried out to spent lye, beer industry is solved and implements to give up in clean manufacturing
Alkali link problem.
Because alkali lye is when cleaning bottle and pot, the viscose glue on caused paper fiber and label causes spent lye to have
Higher turbidity, there are aluminium foil, tinfoil paper etc. to be chemically reacted with alkali typically in the range of 50~80EBC, while on millimeter paper, produce
Sticky colloidal solid, increase the viscosity and 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 highly viscous feature.And machine-washed on domestic market for beer industry wash bottle
The equipment of spent lye recycling is not many caused by bottle, mostly using floor space larger settling tank and ceramic filter
Device is combined, and most impurity in spent lye is removed by adding chemical floc in the spent lye of settling tank.Salkali waste
Liquid by staticly settling 2~3 days, could reclaim supernatant in settling tank, not only take longer, and floor space is larger,
More than 20 square metres is generally required, the quantity of settling tank is caused to limit, it is not sufficient enough to frequently result in settling tank, can not carry out in time
Filtering, reduce the production efficiency of producer, it is difficult to expand the scale of production, moreover, settling tank is used alone and was also unable to reach
The requirement of precision and filtration yield is filtered, and the combination of other filters can only aggravate spent lye recovery burden.
On the other hand, when using caustic dip bottle or pot, to reach higher cleaning performance, mostly using 75~
90 DEG C of heat alkali liquid, once staticly settled 2~3 days using settling tank, it will cause serious heat loss, needed again after recovery
Heating can be only achieved cleaning requirement of the heat alkali liquid to wash bottle, increases the recycling cost of spent lye, is unfavorable for the competing of brewery
Strive.
Another filter type is to add ceramic particle combination and/or membrane filtration system using mechanical chain net filtration.Wherein, by
Impurity in spent lye is complex, and mechanical filter can not effectively intercept the fine suspension in alkali lye, and its precision is difficult to reach
To filtering requirement, and fault rate is higher in operation, and the alkali lye after being filtered before filtering is readily mixed into together, also just can not be effectively net
Change spent lye to be recycled.And the cost of membrane filtration system is higher, consumptive material speed is fast, needs to change once every year on average, film
Value of the filter material consumption almost with energy-conservation approaches, and cost of investment is high, and membrane filtration is extremely difficult to filtration yield, can not meet reality again
Border speed of production and needs.And membrane filtration system generally requires first precipitation and refiltered, the still use of unavoidable settling tank.
The content of the invention
It is a primary object of the present invention to provide a kind of renewable spent lye filter and its application method, it is right that it passes through
The multiple times of filtration of spent lye, the filtration yield and filtering accuracy of spent lye are effectively improved, so as to suitable for the effective purification of spent lye
Recycle.
Another object of the present invention is to provide a kind of renewable spent lye filter and its application method, its by by
Level removes the impurity in spent lye, progressively recovers alkali lye activity, and reaching more preferable effect for next stage filtering lays the foundation, and takes into account
Filtering traffic and filtering accuracy, so as to improve the activity of spent lye and repeat recovery utilization rate.
Another object of the present invention is to provide a kind of renewable spent lye filter and its application method, wherein, institute
It is strong to state filter material power of regeneration, is able to carry out on-line cleaning and regeneration, it is not necessary to which detaching equipment takes out filter core to regenerate, and reduces work
Intensity, so as to 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 its application method, wherein, institute
It is low to state filter material cost, well below membrane filtration cost, meanwhile, the loss of filter material is low, compared to the annual replacing of membrane filtration, filter material
Service life greatly prolongs, and 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 its application method, it included
Filter core and sieving part, the first filter area and the second filter area are formed by sieving part filter, the sieving part is intercepted
Bulky grain solid content meets the requirement of filtering traffic, so as to protect the filtration core in the second filter area, avoids marking in the first filter area
Influence of the paper to the filter area of filtration core.
Another object of the present invention is to provide a kind of renewable spent lye filter and its application method, wherein, sieve
Filter part and the first filter area are applied to intercept and store large granular impurity, and the certainly clear of filtration core is achieved by backwash sieving part
It is clean, so as to prevent the frequent backwash of filtration core.
Another object of the present invention is to provide a kind of renewable spent lye filter and its application method, wherein, sieve
Filter part includes sieving valve, and to exclude the coating granule that filtration core drops, coating impurity is blocked in sieve during so as to avoid backwash
Filter on the inside of part.
Another object of the present invention is to provide a kind of renewable spent lye filter and its application method, its is further
Including deslagging component, the alkali lye in the first filter area is pressed dry after terminating for filtering, so as to realize dried slag removing, is convenient to clean,
Reduce disposal of pollutants.
Another object of the present invention is to provide a kind of renewable spent lye filter and its application method, it takes up an area face
Product is small, it is not necessary to and settling tank, Clear liquid tank and its associated conduit connection, not only filtered in time, reduce thermal loss, can be with
Avoid the inadequate situation of settling tank quantity from occurring, improve production efficiency.
Another object of the present invention is to provide a kind of renewable spent lye filter and its application method, it need not
Chemical coagulator, spent lye is effectively filtered by way of physical filtering, can not only filtered immediately to reduce in spent lye
Turbidity, reused, the loss of 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 its application method, it is successfully carried
Go out an economy, efficiently solve method to remove all kinds of impurity in spent lye, and solve filter material on-line cleaning and regeneration
The problem of, so as to reduce the operating cost of recovery system.
To achieve the above objectives, the technical solution adopted by the present invention is：Renewable spent lye filter includes housing machine
Structure, the casing mechanism have filter chamber；Filter core member, the filter core member include filtration core；And sieving part, the sieve
Filter part is installed on the predeterminated position of the filter chamber, and compartment of terrain is towards the filtration core so that the filter chamber forms the first filter
Area and the second filter area, large granular impurity is retained in by the first filter area by the sieving part, the filtration core is arranged at
The second filter area, granulometric impurity is filtered out by the filtration core.
Further, the sieving part both sides are respectively equipped with horn mouth and material mouth, described in the material mouth axial direction UNICOM
First filter area is gradually reduced with the described second filter area, the sieving part from the horn mouth to the side wall diameter of the material mouth.
Further, the sieving part includes a sieving valve, and the sieving valve can be opened and closed to be installed on the sieving
The cone bottom of part, for material mouth described in open or close, wherein, the sieving part bores bottom compartment of terrain towards the filtration core.
Further, the sieve aperture of the sieving part is horizontal strip, and the sieve aperture spacing is 1 millimeter.
Further, the filter further comprises filter residue part, and the casing mechanism is provided with slag-drip opening, the filter residue
Part is installed on the slag-drip opening, towards the sieving valve, the filter residue part for filter and squeezing stay in described first filter
Contain the spent lye for having filtered impurity in area.
Further, the sieving part is installed on the predeterminated position below the filtration core, the sieving valve with it is described
Spacing between filtration core is suitable to the coating layer thickness for meeting the filtration core, between the sieving valve and the filter residue part between
Away from the unlatching suitable for the sieving valve and large granular impurity in the described first accumulation for filtering area bottom.
Further, the filtration core is the filter core that aperture is 2~10 microns.
Further, the aperture of the filtration core is 5 microns.
Further, the filtration core is polyamide/polyethylene/active carbon composite filter core.
A kind of application method of renewable spent lye filter, it includes step：
S100 filters out the large granular impurity in spent lye by sieving part, forms filtrate and flows to next stage filter；
S200 filters out the big granulometric impurity in filtrate by filtration core, after the filtration core forms filtering coatings, filters out
Little particulate impurity in filtrate, until coating layer thickness increase to 5~10 millimeters and/or pressure differential reach setting value and it is following when, instead
Wash the sieving part and/or backwash and/or the backwash filtration core；And
S300 is filled with compressed air to the filter chamber, discharged after the sieving part and filtration core filtering terminate
Spent lye, filter residue is carried out to the spent lye by the filter residue part of deslagging component and pressed dry, wherein, the step S300 includes step
Suddenly：
S310 is filled with compressed air, and the spent lye on the sieving part top is ejected, discharges the salkali waste in the filter chamber
Liquid, the sieving part is recoiled；
S320, which is passed through extraneous gas, makes spent lye produce rolling, impacts the filtering core outer surface so that the filtration core
The coating Automatic-falling of outer surface；
S330 opens the sieving valve of the sieving part, and the coating impurity in the described second filter area is discharged into first filter
Area, filter and squeeze by the filter residue part stay in the described first filter area containing the large granular impurity and granulometric impurity
Spent lye；And
S340 opens the deslagging component, and dry slag is discharged from slag-drip opening, wherein, open the sieve in deslagging previous minute
Filter the sieving valve of part.
Brief description of the drawings
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 plan according to above preferred embodiment of the present invention.
Fig. 3 is the first sieving part stereogram according to above preferred embodiment of the present invention.
Fig. 4 is second of sieving part stereogram (sieving valve open mode) according to above preferred embodiment of the present invention.
Fig. 5 is second of sieving part stereogram (sieving valve closure state) according to above preferred embodiment of the present invention.
Fig. 6 A are the sieving part side views (open mode) according to above preferred embodiment of the present invention.
Fig. 6 B are the sieving part side views (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 according to the sieving part of above preferred embodiment of the present invention and the schematic diagram of filtration core.
Embodiment
Describe to be used to disclose the present invention below so that those skilled in the art can realize the present invention.It is excellent in describing below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
As shown in Fig. 1 to Fig. 9 is renewable spent lye filter 10, and the filter 10 includes casing mechanism
11, the casing mechanism 11 has filter chamber 110；Filter core member 12, the filter core member 12 include the filtration core 121；
And sieving part 13, the sieving part 13 are installed on the predeterminated position of the filter chamber 110, compartment of terrain is towards the filtration core
121 so that the filter chamber 110 forms the first filter area 111 and second and filters area 112, will by the filtering of the sieving part 13
Large granular impurity is stored in the first filter area 111, and the filtration core 121 is arranged at the second filter area 112, passes through the mistake
The filtering of filter core 121 is able to filter out granulometric impurity.So that by the sieving part 13 and the filtration core 121 to the more of spent lye
Level filtering, the filtration yield and filtering accuracy of spent lye are effectively improved, so as to be recycled suitable for effective purification to spent lye.
The renewable spent lye filter 10 is applied to reclaim spent lye caused by bottle washing machine, especially beer
Bottle, can also be applied to beverage bottle, the recovery of medicine bottle and other bottles, and the filter 10 includes but is not limited to only to salkali waste
The recovery of liquid material, it can be used for filtering industrial wastewater and sanitary sewage containing plurality of impurities.
Impurity in spent lye contains bulky grain and particulate, wherein, the large granular impurity include but is not limited to trade mark,
Silt and cullet slag, it is relatively large sized because the species and shape of large granular impurity are more, for example label paper peeling off
It can be crushed by dipping by lye afterwards and resolve into paper scrap not of uniform size, if filtered by filtration core 121, easily block filtration core
121 filter opening, influences filter area, causes the decline of filtering traffic, causes the frequent backwash to filtration core 121, in order to protect
Filtration core 121 is protected, the sieving part 13 is first set on filtrate flows path, spent lye is filtered out big by the sieving part 13
Granule foreign, and meet the filtering traffic of filtration core 121；The particulate includes but is not limited to more than 5 μm of big particulate and 1~5 μ
More than m little particulate, the big particulate in the first filtrate can not be by the filtration core 121 and in the surface shape of filtration core 121
Into big particulate coatings, with the thickening of big particulate coatings, the filtering accuracy of the filtration core 121 is improved, and is gradually intercepted small
Particulate, the composition of the little particulate impurity include but is not limited to the ink molecules of more than 1~5 μm colloidal solid and part trade mark,
Colloid is the reaction product of trade mark adhesive and aluminium foil glue in alkali lye, can increase the viscosity of alkali lye, and reduction alkali lye is active, and due to
A colloid part is adsorbed in the suspension in alkali lye, and a part is adsorbed in paper fiber, and some particle is too small and is dissolved in
In liquid, therefore, colloidal solid it is not of uniform size, it is contemplated that spent lye recovery filtration yield and filtering accuracy, it is difficult to pass through one
Kind filter material disposably removes.So as to remove the impurity in spent lye step by step by a variety of filter materials, progressively recover alkali lye activity, often
The filtering in next step that is filtered into of one-level reaches more preferable effect and laid the foundation, and meets to improve filtering essence while filtration yield steadily
Degree, so as to improve the activity of spent lye and repeat recovery 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 essence
Degree, and using and regenerating for filter material is effectively protected, drawn through repetition test and multistage filtering is carried out to spent lye, for the ease of reason
Impurity is pointedly set to the large granular impurity, big granulometric impurity and little particulate impurity by solution, the present embodiment respectively, still
According to different filter materials is selected, may make impurity screenings at different levels composition and size and the present embodiment it is different, while big
Grain impurity is not to say that these impurity are all graininess, and impurity is different, and classification is referred to as large granular impurity.
Wherein, the casing mechanism 11 is additionally provided with material inlet 113, and the filter 10 is flowed into for spent lye
It is interior；Slag-drip opening 114, for the impurity discharge filtered out in the filter 10；Butterworth Hatch 115, the Butterworth Hatch 115 are set
The top of the casing mechanism 11 is placed in, is able to be passed through water source and the filter chamber 110 is cleaned；Exhaust outlet 116, is passed through
The pressure of filter chamber 110 of filter 10 described in exhaust and air inlet adjustment；And backwash water inlet 117, it is able to be passed through water source
Backwash operation is carried out to the filtration core 121.
Wherein, the filter core member 12 also includes filtration core house steward 122, and the filtration core house steward 122 connects the mistake
Filter core 121, the outlet of each filtration core 121 are connected with the filtration core house steward 122.The filter core member 1212 is set
There are backwash mouth 123 and back blow port 124, the backwash mouth 123 is respectively arranged at the filtration core house steward with the back blow port 124
122 both sides, wherein, the back blow port 124 is by connecting compressed air for the filtration core 121 progress blowback behaviour
Make, the backwash mouth 123 is by connecting water source for the filtration core 121 progress backwash operation.
Shown in Fig. 4 to Fig. 8 is the sieving part, and the sieving part 13 is positioned apart from the lower section of filtration core 121,
The sieving part 13 is in horn structure, and the horn mouth 130 of the sieving part 13 is towards the filtration core 121.The sieving part 13
Bottom is provided with material mouth 131, the first filter area 111 described in the 131 axial UNICOM of material mouth and the described second filter area 112, with
Area 111 is filtered in the particulate coatings in the described second filter area 112 are discharged into described first.Wherein, the sieving part 13 includes side wall 132
And sieving valve 133, the side wall 132 of the sieving part 13 extend obliquely downward, and form the material mouth 131, the side wall
132 are gradually reduced from the horn mouth 130 to the diameter of the material mouth 131, not only the mistake of sieving part 13 described in expanded
Filtering surface accumulates, and can also expand the space in the first filter area 111 so that more impurity are dispersed filters area 111 in described first
In, excessive large granular impurity is prevented because space not enough blocks the sieving part 13, or is forced through the sieving part 13
And block the filtration core 121；Wherein, the sieving valve 133 is installed on the bottom of the sieving part 13, for open or
The material mouth 131 is closed, so as to the first filter area 111 described in UNICOM and the described second filter area 112 of can be opened and closed.
In other words, the 13 tapered structure of sieving part, can be cone or triangular pyramidal, it is therefore preferable to cone
Structure, the sieving part 13 bore bottom compartment of terrain towards the filtration core 121.Wherein, the material mouth 131 is arranged at the sieving
Part 13 bores bottom, and the sieving valve 133 is installed on the cone bottom of the sieving part 13, for material mouth described in open or close
131.Wherein, the side wall 132 stretches out from the cone slanted floor, and the coating of the filtration core 121 is described suitable for falling into
In sieving part 13, then it is discharged to described first by the material mouth 131 and filters area 111.That is the upside of the sieving part 13
Diameter is not less than the diameter of the filter core member 12.
Wherein, the side wall 132 of the sieving part 13 is provided with sieve aperture 134, the first filter described in the 134 lateral UNICOM of sieve aperture
Area 111 is less than the large granular impurity with the described second filter area 112, the size of the sieve aperture 134, for intercepting in spent lye
Large granular impurity, provide good basis for the secondary filtration of filtration core 121, avoid large granular impurity to the filtration core
The influence of 121 filter areas, effectively protect the filtration core 121 in the second filter area 112.
Wherein, the shape of the sieve aperture 134 be able to be vertical or horizontal arrangement strip or corrugated or square
Or circular mesh.But because the label paper in the large granular impurity resolves into the paper scrap or bending official form for filing a lawsuit fibre of flexibility
Dimension, is not rigid particle, if select circular or square sieve aperture 134 to easily cause blocking, while recoil is also difficult to remove, and
Mesh sieve at work flow through to form directed flow through mesh by filtrate, and paper scrap is easier to be stuck on mesh along the flow direction of liquid,
Mesh sieve may be caused to block serious, under the influence of by-pass filtration normal operation.Preferably, the sieving part 13 is by V-arrangement filtering element
135 and support bar composition, the sieve aperture 134 is formed between each filtering element 135, the sieve aperture 134 is horizontal strip, so as to
It is easier to by sieve aperture 134 or is directly intercepted in the outer surface of side wall 132 when the paper fiber of flexibility flows to sieve aperture 134, will not
It is stuck at sieve aperture 134, and the paper fiber size passed through is smaller, the sieving part 13 also has pre-determined distance with the filtration core 121,
The paper fiber passed through can not only be dispersed in the second filter area 112, can also be filtered out by the filtration core 121.
Preferably, the sieving part 13 can be selected from trapezoidal screen cloth, wedge shaped wires screen casing, stainless steel wrap wire filter core or Johnson
One kind in filter core.
The spacing of the sieve aperture 134 is suitable to the filtering for meeting the filtration core 121 while intercepting the large granular impurity
Flow, the spacing of the sieve aperture 134 is 0.2~2mm, if the spacing of sieve aperture 134 is smaller, though filtering accuracy can be improved,
Filtering traffic is difficult to the filtering for meeting the filtration core 121, if the spacing of sieve aperture 134 is larger, although filtering traffic improves,
It is that can not effectively protect the filtration core 121, while in actual motion, the spacing of sieve aperture 134 easily causes trade mark very much greatly
In gap, the backwash to the sieving part 13 impacts paper card.Preferably, the spacing of the sieve aperture 134 is 1mm.Work as institute
When to state the spacing of sieve aperture 134 be 1mm, the filtering traffic that the sieving part 13 can reach is 200T/h, meets to flow filtering significantly
10~30T/h requirement is measured, it is contemplated that alkali lye viscosity caused by impurity factor and colloidal solid increases, selection can reach
It is 1mm bar shaped screen cloth to the sieving part 13 more than predetermined filtering traffic, such as the selection spacing of sieve aperture 134, filtering traffic is reachable
200T/h, the filtration core 121 is avoided frequently to backwash.
The sieving part 13 is installed on the predeterminated position of the lower section of filtration core 121, the storage suitable for the described first filter area 111
The formation in space is deposited, in order to dispersedly be stored in first filter by the large granular impurity of the by-pass filtration of sieving part 13
In area 111.Wherein, the spacing between the sieving valve 133 and the filtration core 121 is suitable to meet the filtration core 121
Coating layer thickness spacing, the filtering coatings thickness of the filtration core 121 is substantially in 5~10mm, if the sieving valve 133 and institute
The spacing stated between filtration core 121 is too small, will influence backwash to sieving part 13 and the filtration core 121 after filtering terminates
Automatically cleaning, cause the frequent backwash of the filtration core 121, shorten the service life of the filtration core 121, and if the sieve
Spacing between trap valve door 133 and the filtration core 121 is too big, can take excessive unnecessary space again.Wherein, the sieving
Spacing between valve 133 and the bottom slag discharge 114 of the casing mechanism 11 is suitable to the unlatching of the sieving valve 133, full
Space described in the foot open or close of sieving valve 133 needed for material mouth 131, while also meet that the large granular impurity exists
The storage area in the first filter area 111, in case impurity gathers in the described first filter area 111 excessively causes the sieving valve
133 can not be opened, and the particulate coatings for being also just difficult to filter described second in area 112 are discharged.So as to the sieving part 13 and first
Filter area 111 is applied to intercept and store the large granular impurity, while the sieving valve 133 is suitable to exclusion filtration core 121 and fallen
The coating granule fallen, particulate coatings impurity is blocked in the inner side of sieving part 13 during so as to avoid backwash.
The filter 10 further comprises deslagging component 14, and the deslagging component 14 is for described in open or close
Slag-drip opening 114, wherein, the deslagging component 14 includes support member 141 and filter residue part 142, and the support member 141 is rotationally
The outside of casing mechanism 11 is connected, the filter residue part 142 is installed on the side of support member 141, towards the slag-drip opening
114, when the deslagging component 14 closes the slag-drip opening 114, the filter residue part 142 enters the slag-drip opening 114, for
The spent lye containing the large granular impurity and granulometric impurity in the described first filter area 111 is stayed in filtering and squeezing, so as to institute
The alkali lye pressed dry after filter residue part 142 terminates for filtering in the first filter area 111 is stated, so as to realize dried slag removing, is convenient to clean,
Reduce disposal of pollutants.
Wherein, the filter residue part 142 is made up of multiple stainless steel filter cores, and the filter residue part 142 is located at the sieving valve
133 lower sections, the sieving valve 133 have default spacing with the filter residue part 142, and the default spacing is suitable to the sieving valve
Door 133 unlatching and meet the large granular impurity accumulate in it is described first filter the bottom of area 111 storage area, prevent from filtering
The large granular impurity accumulated in after end between the sieving valve 133 and the filter residue part 142 disturbs the sieving valve 133
Unlatching.
Preferably, 2 meters of 121 length of filtration core, for heatproof up to 120 DEG C, the filter residue part 142 includes 30 5 inches
Stainless steel filter core.
Cleaning deslagging is carried out to the filter chamber 110 after the filter 10 filtering terminates, to the filtration core 121
Cleaning mode be selected from backwash, backwash and self-cleaning one or more, determined whether to according to the pressure difference of setting
The filtration core 121 is backwashed, such as according to field conditions come the pressure in the pump discharge and the filter 10 that set
Power difference first with the alkali lye in compressed air ejection the second filter area 112, decides whether to institute according to run time in 0.1MPa
State filtration core 121 to be backwashed, if pressure differential is not up to 0.1MPa, avoid the need for recoiling to the filtration core 121
Wash, backwash or self-cleaning mode can be selected, wherein, the backwash of the filtration core 121 be by the backwash mouth 123 with
The filtration core house steward 122 carries out backwash to the outer surface of filtration core 121, and the automatically cleaning is by the sieving part 13
Carry out backwash when, 121 related impacted of filtration core and the particulate coatings on the surface of filtration core 121 is come off.And
In course of normal operation, because the large granular impurity in the spent lye has been filtered out by the sieving part 13, the filtration core 121
The particulate coatings that surface is formed are relatively thin, and are easier to depart from the surface of filtration core 121, therefore, less that the filtration core 121 is entered
Row backwash, mainly by the sieving part 13 carry out backwash when, the particulate coatings on the surface of filtration core 121 are fluctuated
And Automatic-falling, so as in sieving part 13 described in backwash the filtration core 121 can take off outside filtering layer reach cleaning
Purpose, so as to reach self-cleaning effect.
Wherein, the backwash of the sieving part 13 is to be filled with compressed air first, by the spent lye on the top of sieving part 13
Ejection, discharges the spent lye in the filter chamber 110, the sieving part 13 is recoiled, be attached to the appearance of sieving part 13
The millimeter paper in face leaves the outer surface of the sieving part 13 with the sinking of spent lye, and the spent lye of discharge passes through the filter residue part
142 completions are deimpurity to filter to be pressed dry, then carries out dried slag removing, effectively avoids the pollution of spent lye.Wherein, due to the filtering
The particulate coatings that core 121 filters out are colloidal type impurity, when to 13 backwash of sieving part, because liquid passes through the sieving part
13 sieve aperture 134 flows from the described second filter area 112 to the described first filter area 111, and the particulate coatings are easily blocked in described
The madial wall 132 of sieving part 13, for the ease of the exclusion of the described second filter impurity of area 112, described in the previous minute opening of deslagging
The sieving valve 133 of sieving part 13, so that the impurity in the described second filter area 112 is discharged to described first from the sieving valve 133
Area 111 is filtered, if too early open the sieving valve 133, alkali lye is directly discharged from the sieving valve 133, will be weakened pair
The recoil of the sieving part 13, preferably backwash effect is not had.
Secondly, the inner case that slag-drip opening 114 observes the filter 10 is opened, if many booties, passes through institute
State Butterworth Hatch 115 and rinse the filter chamber 110 with water, moisture can be not only fitted in each packet filter core, while to described
Sieving part 13 carries out backwash, in addition, being provided with CIP in the filter chamber 110 washes ball, is able to residual in the filter chamber 110
Debris is stayed to be cleaned.
It is noted that a long blast pipe can be installed additional at the exhaust outlet 116 of the filter 10, work as row
When putting spent lye to the sieving part 13 progress backwash, outside air enters in the filter chamber 110, is made by being passed through gas
Spent lye produces rolling, impacts the outer surface of filtration core 121 so that the coating Automatic-falling of the outer surface of filtration core 121,
During so as to backwash, gas-liquid easily rinses the impurity retained on the sieving part 13 and the filtration core 121 well, cleaning performance
Good, using water wisely is simplified the clean operation to the filtration core 121, it is not necessary to which the filtration core 121 is frequently recoiled
Wash, be achieved on-line cleaning and regeneration, keep the filtering accuracy of the filtration core 121, extend the use of the filtration core 121
Life-span.
Wherein, the aperture of the filtration core 121 is 1~10 micron, due to the impurity component and size in the spent lye
Situation is complex, and the impurity in the spent lye is filtered out from different pore size and the filter material of material and is also not quite similar.
The filtration core 121 includes but is not limited to stainless steel foldable filter element, stud filter core, ceramics with the material that can be selected
Filter core, polypropylene melt blown filter (PP), collapsible micropore filter element (PTEE), active carbon filter core, binodal filter core (above save polypropylene,
It is lower section activated carbon and other combination), ion exchange resin filter core, polyether sulfone filter core (PES), aluminum oxide filter core, fiber biscuit firing
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 its any compound.The activated carbon can be
Carbon, CNT, carbon nanohorn, Bamboo-shaped are carbon nano-structured, fullerene and fullerene aggregation, graphene and combinations thereof.Institute
State the resistance to highly basic of filter core high temperature resistant so that the filtration core 121 is applied to filtering wash bottle spent lye.
Preferably, the filtration core 121 is polyamide/polyethylene/active carbon composite filter core (writing a Chinese character in simplified form into PA/PE/C), institute
Stating filter core, not only power of regeneration is strong, is able to carry out on-line cleaning and regeneration, and cost is low, and good filtration effect, coating is easy to fall off,
Service life is grown.By Experimental comparison, the regeneration of some filter cores is more difficult, it is necessary to which detaching equipment taking-up filter core could regenerate, such as
Stainless steel foldable filter element, the effect of backwash is undesirable, and the punching of dregs in interlayer does not come out, and influences filtration yield, and ceramic-like
Filter core blowback wash with backwash regeneration efficiency it is low, and select the PA/PE/C composite filter elements not only there is the resistance to height of polyamide
The advantages of warm, heatproof up to 120 DEG C, overcome polyethylene can not resistant to elevated temperatures shortcoming, it is also sinterable into designation hole with polyethylene
The advantages of footpath, meanwhile, due to the addition of activated carbon in the filter core, improve to the ink clearance in the spent lye, improve
The decolorizing effect of the filtration core 121.If polyethylene filter core is as filtration core 121, due to viscous in first filtrate
Spend larger, the granulometric impurity is easily adhered to the filtering core outer surface and is difficult to come off, and the PA/PE/C composite filter elements
Rigidity is strengthened, and the filtration core 121 is rigid, and the coating formed to relatively glutinous fine grained is also easy to removal.
The power of regeneration of the composite filter element is strong, is able to carry out on-line cleaning and regeneration, it is not necessary to which detaching equipment takes out filter
Core regenerates, and reduces labor intensity, so as to improve the operational efficiency of the Reproducible filtering device 10, reduces operation troubles rate.
It is the 1/10 of membrane filtration cost well below membrane filtration cost meanwhile the cost of the composite filter element is low, and it is described compound
The loss of filter core is low, and relative to the annual replacing of membrane filtration, the composite filter element typically can in the case of no External force interference
Using 3~5 years, greatly prolonged so as to the service life of the composite filter element, effectively reduce the use cost of the composite filter element.
Meanwhile the sieving part 13 is also easier to the purpose that reaches regeneration by backwash, so as to the sieving part 13 and the filtration core
Two covering devices of the precipitation method are not only merged into set of device by 121 cooperation, reduce floor space, and filter efficiency is carried
Rise, renewable and reuse, the filtering accuracy and flow of the filter 10 are easier to return to initial state.So as to not
It can only avoid the inadequate situation of settling tank quantity from occurring, be also possible to prevent the loss of reclaimed spent lye heat, be able in time
Recovery spent lye simultaneously re-apply in bottle washing machine, reduce spent lye in recovery heat scatter and disappear, reduce the weight to spent lye
New heating cost, so as to be favorably improved the production efficiency of wash bottle operating efficiency and brewery.
Preferably, PA: PE: C components by weight in the PA/PE/C composite filter elements is 5: 1~6: 1~4, preferably
Ground, PA: PE: C components by weight in the PA/PE/C composite filter elements are 5: 3: 2, wherein, the polyamide, polyethylene with
And the PA/PE/C composite filter elements of different pore size are made in activated carbon by way of sintering.
Preferably, the filtration core 121 is the PA/PE/C composite filter elements in 5 μm of aperture.
It is noted that the filtration core 121, after big granulometric impurity forms coating, its filtering accuracy gradually steps up,
Aperture such as the filtration core 121 is 5 μm, has just started to filter the particle for being more than 5 μm in first filtrate, described
The outer surface of filtration core 121 forms filtering coatings, and the filtering accuracy formed after coating can bring up to the aperture of filtration core 121
1/5, that is, more than 1 μm of little particulate impurity can be intercepted, it is able to filter out 1~5 micron of colloid in first filtrate
Grain and part ink, so as to effectively intercept the granulometric impurity to recover the activity of progressively alkali lye.
A kind of application method of renewable spent lye filter, it includes step：
S100 filters out the large granular impurity in spent lye by sieving part 13, forms filtrate and flows to next stage filter；
S200 filters out the big granulometric impurity in filtrate by filtration core 121, treats that the filtration core 121 forms filtering coatings
Afterwards, filter out the little particulate impurity in filtrate, until coating layer thickness increase to 5~10 millimeters and/or pressure differential reach setting value and with
When lower, sieving part 13 and/or backwash described in backwash and/or the backwash filtration core；And
It is empty that S300 is filled with compression after the sieving part 13 and the filtering of the filtration core 121 terminate, to the filter chamber 110
Gas, spent lye is discharged, carrying out filter residue to the spent lye by the filter residue part of deslagging component press dry, for realizing dry deslagging,
Reduce pollution.
Wherein, the step S300 includes step：
S310 is filled with compressed air, and the spent lye on the top of sieving part 13 is ejected, discharged in the filter chamber 110
Spent lye, the sieving part 13 is recoiled；
S320, which is passed through extraneous gas, makes spent lye produce rolling, impacts the outer surface of filtration core 121 so that the filtering
The coating Automatic-falling of the outer surface of core 121；
S330 opens the sieving valve 133 of the sieving part 13, and the coating impurity in the described second filter area is discharged into described the
One filter area, filter and squeeze by the filter residue part to stay and contain the large granular impurity and micro- in the described first filter area 111
The spent lye of grain impurity, press dry the alkali lye in the first filter area 111 after terminating so as to the filter residue part 142 for filtering；And
S340 opens the deslagging component, and dry slag is discharged from slag-drip opening.
Wherein, the step S300 further comprises step：The sieving of the sieving part 13 is opened in deslagging previous minute
Valve 133.
The renewable spent lye filter and its application method successfully propose an economy, efficiently solve method
All kinds of impurity in spent lye are removed, and solve the problems, such as filter material on-line cleaning and regeneration, so as to reduce the fortune of filter
Row cost.
Embodiment 1 is to embodiment 10
The operating procedure of embodiment 1~10 is identical, and difference is the aperture of filtration core 121, the filter 10
Operating pressure be set as 0.3MPa, operating temperature is 80 DEG C, and design temperature is 105 DEG C, normal discharge 10T/h, starting
Spent lye turbidity is determined to 40.25EBC, wherein, the measure of turbidity is by the desk-top transmissometer VosRota 90/25 of Huffman
Detected, the alkali lye turbidity value of each embodiment is determined by determining the measured value at 25 degree of angles.The filtering of embodiment 1~10
The aperture of core 121, it is as shown in table 1 by the filtrate turbidity and filtering traffic of the filtering of the filter 10.
The filtration core 121 of the different pore size of the embodiment 1~10 of table 1
As shown in Table 1, in order to take into account filtering traffic and filtering accuracy, and number of backwashes and regeneration complexity, full
The filter core of larger aperture is selected under the conditions of foot, the preferred aperture of the filtration core 121 is 5 μm, and the sieving part 13 is filtered into
The filtering of the filtration core 121 provides preferably basis, when the aperture of the filtration core 121 is less than 5 microns, not only filters stream
Amount can decrease, and also result in the frequent backwash to filtration core 121, and number of backwashes increases, and the filtration core 121 can also be
Pressure difference can carry out hair flushing when reaching 0.05Mpa and blowback is washed, and remove the coating of cartridge surface, reach the purpose of regeneration, mistake
Filter precision and flow return to initial state, can guarantee that while being minimized spent lye turbidity so as to the filter useless
The filtering traffic of alkali lye.
The present invention be very suitable for obtaining the result mentioned with advantage and herein intrinsic those results and advantage.On
Particular is merely illustrative disclosed in face, because can be with the art technology for benefiting from teachings herein
Obvious different but equivalent mode is modified and put into practice to the present invention for personnel.In addition, it is not intended to aobvious herein
The construction or the details of design shown is limited, except what is described in detail in the claims.It is public above it is therefore evident that
The specific illustrative embodiment opened can change, combines or change, and all such changes are considered as in the scope of the present invention
In spirit.Disclosed in property described herein the present invention can suitably in the absence of it is any herein with no specific disclosure of will
Implement in the case of plain and/or any optionally key element disclosed herein.All numerals and scope disclosed above can be carried out
A certain amount of change.Whenever the number range with lower and upper limit is disclosed, specifically disclose within the range any
Digital and any scope covered.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is the present invention
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its
Equivalent defines.
Claims (10)
- A kind of 1. renewable spent lye filter, it is characterised in that including：Casing mechanism, the casing mechanism have filter chamber； Filter core member, the filter core member include filtration core；And sieving part, the sieving part are installed on the pre- of the filter chamber If position, compartment of terrain is towards the filtration core so that the filter chamber forms the first filter area and the second filter area, passes through the sieve Large granular impurity is retained in the first filter area by filter part, and the filtration core is arranged at the second filter area, passes through the filtering Core filters out granulometric impurity, wherein, the sieving part both sides are respectively equipped with horn mouth and material mouth, the institute of material mouth axial direction UNICOM The first filter area and the described second filter area are stated, the sieving part gradually subtracts from the horn mouth to the side wall diameter of the material mouth It is small.
- 2. renewable spent lye filter according to claim 1, it is characterised in that the sieving part includes sieving valve Door, the sieving valve can be opened and closed to be installed on the cone bottom of the sieving part, for material mouth described in open or close, its In, the sieving part bores bottom compartment of terrain towards the filtration core.
- 3. renewable spent lye filter according to claim 2, it is characterised in that the sieve aperture of the sieving part is horizontal stroke To strip, the sieve aperture spacing is 1 millimeter.
- 4. renewable spent lye filter according to claim 3, it is characterised in that the filter further wraps Filter residue part is included, the casing mechanism is provided with slag-drip opening, and the filter residue part is installed on the slag-drip opening, towards the sieving valve, The filter residue part for filter and squeeze stay in the described first filter area containing having filtered the spent lye of impurity.
- 5. renewable spent lye filter according to claim 4, it is characterised in that the sieving part is installed on described Predeterminated position below filtration core, the spacing between the sieving valve and the filtration core are suitable to the painting for meeting the filtration core Thickness degree, the spacing between the sieving valve and the filter residue part are suitable to unlatching and the large granular impurity of the sieving valve Accumulation in the described first filter area bottom.
- 6. renewable spent lye filter according to claim 5, it is characterised in that the filter core member also includes Filtration core house steward, the outlet of each filtration core are connected with the filtration core house steward, and the filter core member is provided with backwash Mouth and back blow port, the backwash mouth are respectively arranged at the both sides of the filtration core house steward with the back blow port, wherein, the blowback Mouthful by connect compressed air for the filtration core carry out blowback operation, the backwash mouth by connect water source for Backwash operation is carried out to the filtration core.
- 7. according to any described renewable spent lye filter in claim 1 to 6, it is characterised in that the filtration core It is the filter core that aperture is 2~10 microns.
- 8. renewable spent lye filter according to claim 7, it is characterised in that the aperture of the filter core is 5 micro- Rice.
- 9. renewable spent lye filter according to claim 8, it is characterised in that the filtration core be polyamide/ Polyethylene/active carbon composite filter core.
- 10. a kind of application method of renewable spent lye filter, it includes step：S100 filters out the large granular impurity in spent lye by sieving part, forms filtrate and flows to next stage filter；S200 filters out the big granulometric impurity in filtrate by filtration core, after the filtration core forms filtering coatings, filters out filtrate In little particulate impurity, until coating layer thickness increase to 5~10 millimeters and/or pressure differential reach setting value and it is following when, backwash institute State sieving part and/or backwash and/or the backwash filtration core；AndS300 is filled with compressed air to the filter chamber, discharges salkali waste after the sieving part and filtration core filtering terminate Liquid, filter residue is carried out to the spent lye by the filter residue part of deslagging component and pressed dry, wherein, the step S300 includes step：S310 is filled with compressed air, and the spent lye on the sieving part top is ejected, discharges the spent lye in the filter chamber, right The sieving part is recoiled；S320, which is passed through extraneous gas, makes spent lye produce rolling, impacts the filtering core outer surface so that the filtration core appearance The coating Automatic-falling in face；S330 opens the sieving valve of the sieving part, and the coating impurity in the second filter area is discharged into the first filter area, passes through the filter Slag part filters and the spent lye containing the large granular impurity and granulometric impurity in the described first filter area is stayed in squeezing；AndS340 opens the deslagging component, and dry slag is discharged from slag-drip opening, wherein, open the sieving part in deslagging previous minute Sieving valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610072660.XA CN105536330B (en) | 2016-01-29 | 2016-01-29 | Renewable spent lye filter and its application method |
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| CN201610072660.XA CN105536330B (en) | 2016-01-29 | 2016-01-29 | Renewable spent lye filter and its application method |
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| CN105536330B true CN105536330B (en) | 2018-01-23 |
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| JP6863484B2 (en) * | 2017-12-28 | 2021-04-21 | 株式会社村田製作所 | Separation and recovery system and separation and recovery method |
| CN112337163A (en) * | 2020-11-09 | 2021-02-09 | 湖南桃花源酒业有限公司 | A multistage filter equipment for white spirit processing |
| CN112624363A (en) * | 2020-11-22 | 2021-04-09 | 山东奥美环境股份有限公司 | Alkali recovery process and recovery device for alkali-containing wastewater |
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| CN2598616Y (en) * | 2003-01-28 | 2004-01-14 | 冯运红 | Suspension three-step filter |
| CN102258903B (en) * | 2011-05-25 | 2013-05-08 | 云南大红山管道有限公司 | Filter device with inverted T-shaped filter screen for multiple filtrations |
| CN202822994U (en) * | 2012-10-22 | 2013-03-27 | 山东鲁抗舍里乐药业有限公司 | Coarse and fine filtration integrated device |
| CN103768857A (en) * | 2014-01-28 | 2014-05-07 | 深圳市比斯坦科技有限公司 | Sewage filter |
| CN205699707U (en) * | 2016-01-29 | 2016-11-23 | 象山金鑫轻工机械厂 | Renewable spent lye filter |
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