CN109810776A - A kind of grease-decolor system and technique containing vertical blade filter - Google Patents
A kind of grease-decolor system and technique containing vertical blade filter Download PDFInfo
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- CN109810776A CN109810776A CN201910253480.5A CN201910253480A CN109810776A CN 109810776 A CN109810776 A CN 109810776A CN 201910253480 A CN201910253480 A CN 201910253480A CN 109810776 A CN109810776 A CN 109810776A
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- filter
- vertical blade
- grease
- oil
- decolor
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 51
- 238000004061 bleaching Methods 0.000 claims abstract description 42
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 239000012065 filter cake Substances 0.000 claims description 23
- 239000000706 filtrate Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 239000003818 cinder Substances 0.000 claims 1
- 239000004519 grease Substances 0.000 abstract description 11
- 239000003921 oil Substances 0.000 description 53
- 238000004042 decolorization Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 241000638935 Senecio crassissimus Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000686 essence Substances 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 235000019197 fats Nutrition 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 235000013310 margarine Nutrition 0.000 description 1
- 239000003264 margarine Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
- 125000005457 triglyceride group Chemical group 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Abstract
The invention discloses grease-decolor system and technique containing vertical blade filter, which includes: carclazyte mixed cell；Bleaching tower；Vertical blade filter, is connected to bleaching tower；Pretreatment unit, the detection device that it includes the second coated mixer being connected with vertical blade filter, the pre-filtered oil of vertical blade filter is recycled to the recirculation assembly of the second coated mixer and is arranged in vertical blade filter oil outlet pipe, wherein when detection device measured result, which meets decoloration, to be required, it is formed on the strainer of filter and hangs cake, oily earth mixtures, which enters in filter, in bleaching tower filters.The present invention can be while bleaching tower be in decoloration, cake layer is formed on the strainer of filter, so, the oily earth mixtures being discharged from bleaching tower completes the filtering of high-quality grease directly under the cooperation of cake layer and strainer, and then the time of grease-decolor processing is greatly shortened, improve the decolorizing efficiency and processing capacity of decoloration system.
Description
Technical field
The invention belongs to grease-decolor technical fields, and in particular to a kind of grease-decolor system containing vertical blade filter
System, also relates to a kind of grease-decolor technique containing vertical blade filter.
Background technique
Currently, vertical blade filter is widely used in the mistake of the industries such as food, grease as a kind of novel filter
Journey is filtered, is the important equipment being separated by solid-liquid separation, gradually replaces the plate of the rate of filtration slowly, more than large labor intensity, oil loss
Frame filter.
In food or course of oil processing, the separation being frequently encountered between heterogeneity and the component of different shape is asked
Topic retains active principle and is subject to processing and utilization the purpose is to remove harmful or useless component, or by component of different nature
It is subject to processing and utilization respectively after separating.Wherein being separated by solid-liquid separation is common one of unit operation, and filtering is traditional chemical unit
Operation, principle is when feed liquid being made to pass through solid filtration media, and solid suspension is separated with solution.
In grease is produced and processed, the technical process such as crude oil purification, grease-decolor, winterization degreasing dewaxing will be carried out
Filter operation, often uses various filter plants, such as flame filter press, chamber type filter, filter centrifugal and bag filter
Deng.Flame filter press is a kind of traditional filter plant, and filter plate and filter frame are generally square, also there is circular (be mostly used for
Small device).The characteristics of round plate compression is in the case where filter area is equal, and seal perimeter is most short, thus required pressure
Clamp force is minimum, but in same filter area, contour dimension is larger.Flame filter press is divided into two kinds of patterns of free flow and undercurrent.
Directly from the outlet of every piece of filter plate, outflow is open delivery to filter liquor；It is dark that filter liquor, which concentrates outflow from the outlet of fixed charge method end plate,
Streaming.Flame filter press is used if the winterisation process in fats and oils processing, and crude oil filtering then uses oil-filtering box etc. more, this
The advantages of a little filtration machineries is small investment, is suitable for small lot production, and disadvantage is mainly manifested in: separation process can not achieve continuously
Operation, filter efficiency is low, fat content height is remained in filter cake, loss is big, and large labor intensity, separate unit production capacity is small, using more
It is big that platform then occupies plant area, is unfavorable for managing.
With continuously improving for filter performance, present producer's wide selection vertical blade filter is filtered, vertical
The advantage that leaf-type filter had not only had flame filter press performance stable, but also have the characteristics that closed continuous production, treating capacity is big,
It is good in economic efficiency.Compared with flame filter press, vertical blade filtering machine structure is compact, and occupied area is small, can mechanization from
Dynamic deslagging, sanitation and hygiene pollute small, full automatic working, and two parallel connections are used alternatingly continuous closed production may be implemented, significantly
The labor intensity for alleviating worker, optimizes field management.
The present vertical blade filter course of work is generally automatically controlled by a computer, and each circulation includes following rank
Section:
(1) charging stage, solid-liquid mixtures material is sent into filter body, when overflow port has liquid stream to pass through, illustrates that vertical blade filters
It is had been filled in machine filter body to filtrate, overflow port can be closed, hang the cake stage into strainer.
(2) it hangs the cake stage, this stage begins with filtrate by strainer, is at this time turbid solution by the filtrate of strainer, should return
Return in filtrate, when turbid solution becomes it is clear after, closing volume channel, into the normal filtration stage.This stage usually requires 30 minutes
Left and right.
(3) filtration stage, normal filtration stage usually have 2~4 hours or so, reach prescribed limit values to tank body pressure
When, it should stop filtering, filter cake thickness has reached limiting value on strainer at this time, cannot refilter.
(4) the deslagging stage, the movement of this stage valve is more, belongs to service working time, is vented filtering tank, dries up filter cake, removal
Filter cake closes valve after drained, is ready for filtering next time.
Using the grease-decolor technique letter of vertical blade filter, as shown in Figure 1, passing through coated mixer to bleached oil
Afterwards, decolorization is carried out into bleaching tower, after the completion of decolorization, oily earth mixtures is pumped into filter and is filtered, then
Strainer flows into oil storage tank after carrying out refined filtration.
But grease main component is triglyceride, pure triglyceride in liquid in colourless, in solid-state
It is white.But common various greases all have different colors, this is because of different containing quantity and kind in grease
Pigment, most pigments are all nontoxic, but will affect the appearance of grease.So to produce the oil and fat product of higher level, such as state
Primary oil, the feedstock oil of margarine and certain cosmetic material oil etc. are marked, must just carry out decolorization to grease.Grease
There are many method of decoloration, and most widely used in industrial production is adsorption decoloring method, shown in technique as shown in Figure 1, however, filtering
It generally has no problem when machine filtered crude oil, but when grease-decolor filters carclazyte, due to the characteristic of carclazyte itself, such as: carclazyte
Particle is small, and oil-containing argil viscosity is very big, therefore is easy to appear some problems in operation, and most obvious disadvantage is exactly to hang the cake time
Too long, this causes equipment operation intensity and difficulty to increase, meanwhile, with the extension of filtration time, filter cake is closely knit on strainer, filtering
Channel is tiny, reduces the normal filtration time, and therefore, the decolorizing efficiency of grease is very low.
Summary of the invention
It is a kind of improved containing vertical leaf the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide
The grease-decolor system of piece filter, can be while bleaching tower be in decoloration, shape on the strainer of vertical blade filter
At cake layer, so, the oily earth mixtures being discharged from bleaching tower directly completes Gao Pin under the cooperation of cake layer and strainer
The filtering of matter grease, and then the time of grease-decolor processing is greatly shortened, improve the decolorizing efficiency and processing energy of decoloration system
Power.
Meanwhile the present invention also provides a kind of grease-decolor technique containing vertical blade filter, it can be significantly
Shortening decolorization time, and can guarantee oily quality after filtering.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of grease-decolor system containing vertical blade filter comprising: carclazyte mixed cell, including with to bleached oil
The first coated mixer and carclazyte adding set that pipeline communicates；
Bleaching tower is connected with the first coated mixer；
Vertical blade filter, is connected to bleaching tower, and the separation of solid and liquid for oily earth mixtures；
Pretreatment unit is used for vertical leaf-type filter and is filtered pretreatment, and including with vertical blade filter phase
Second coated mixer of connection, the circulation group that the pre-filtered oil of vertical blade filter is recycled to the second coated mixer
Part and the inspection that the color and/or native content progress on-line checking in vertical blade filter oil outlet pipe and to oil are set
Device is surveyed, wherein being formed on the strainer of vertical blade filter when detection device measured result meets decoloration and requires and hanging cake, followed
Ring assemblies stop working, and oily earth mixtures, which enters in the vertical blade filter for being formed with and hanging cake, in bleaching tower filters.
Preferably, the second coated mixer is also connected with bleaching tower setting.After vertical blade filter, which is formed, hangs cake,
Second coated mixer can be connected to bleaching tower, so that oily earth mixtures further decolorization in bleaching tower.Greatly
The efficiency of amplitude raising grease-decolor.
A specific implementation according to the present invention and preferred aspect, vertical blade filter are vertically arranged and have
The tank body of feed inlet, discharge port and slag-drip opening；It is vertically arranged in the intracorporal filter leaf of tank, wherein tank body includes can body, cover
And tank bottom, filter leaf is from the side wall that both sides are removably disposed can body.
Preferably, the horizontal cross-section of can body is rounded, and filter leaf has multiple groups, and along the extension of round same diameter
Direction is successively distributed in circular interior.
Further, every group of filter leaf include in the filter frame of rectangle, positioned at the strainer of filter frame opposite sides, wherein strainer
With formation filter chamber inside filter frame, vertical blade filter further includes the oil collecting pipe for multiple filter chambers to be interconnected from filter frame
Road, the oil outlet pipe for oil-collecting pipeline to be connected with discharge port and oil storage tank.
Specifically, filter frame is hollow pipeline, it is additionally provided between more hollow pipelines and more hollow pipeline inner cavities is connected
Communicating pipe, wherein every formed filter chamber hollow pipeline inner wall on be formed with through-hole, filtered oil can also be from through-hole
It is flowed in hollow pipeline and flows to oil collecting pipe road.Significantly promote filter efficiency.
Preferably, the filter frame height of multiple groups filter leaf is equal, and is evenly spaced on.
Another specific implementation according to the present invention and preferred aspect, vertical blade filter further include being removably disposed
Bracket inside can body and the vibrator that stent outer is arranged in, wherein filter leaf removably connects from upper and lower end parts
It connects on bracket, vibrator output end is connected to the bracket, when cleaning, drives to bracket, mistake by the vibration of vibrator
Filter leaf piece vibrates therewith to fall off so that hanging cake.
Preferably, cover is removably disposed in the oral area of the can body, the tank bottom be in from top to bottom outer diameter gradually
The taper to become smaller.
In addition, slag-drip opening is located at the bottom of tank bottom, feed inlet is located at the side of tank bottom, and there are two；The feed inlet
Overflow port is additionally provided with positioned at the side of the can body, and in the side that the top of the feed inlet is located at the can body.
The course of work of vertical blade filter are as follows: oily earth mixtures material is with being pumped into tank body, under pressure, filtrate
Filtering surface across blade two sides enters blade filter chamber, the little particle for still having portion size to be less than screen grid due to filtering initial stage
Across strainer it can enter filter liquor, undesirable set of filter liquor is required to return at this time closed circuit follows in filtrate, be thusly-formed one
Ring is gradually trapped on strainer to the solid impurity in filtrate and forms filter cake, has until setting up one layer of stabilization on strainer
The cleaner liquid that limpid qualification can just be obtained after the filter cake of effect in liquid outlet, at this point, vertical blade filter completes the pre- of filtering
Processing is then pumped into tank body from the oily earth mixtures that bleaching tower is discharged, and under the action of filter cake and strainer, completes the oil of decoloration
It is flow to oil storage tank, at this point, vertical blade filter enters effective filtration stage；It is long-pending on strainer but with the extension of filtration time
Tired filter cake amount gradually increases, and after reaching a certain amount of, should terminate effective filtration stage, with compressed air by filter tank to filtrate
Discharge opens the butterfly valve of tank base, starting vibrator drives with steam (or compressed air) by after the raffinate drying in filter cake
Strainer vibrates and falls the vibration of the filter cake of strainer, and tank body is discharged.Butterfly valve is closed after filter cake is drained, carries out standard for filtering next time
It is standby.
It is of the invention another solution is that a kind of grease-decolor technique containing vertical blade filter, which employs
Above-mentioned grease-decolor system carries out grease-decolor processing, the specific steps are as follows:
1) it, send to bleached oil heating rear pump or output pump to the first coated mixer, the first coated mixer is added by carclazyte adding set
Carclazyte mixed, then send to bleaching tower；
2) it, is decolourized simultaneously in bleaching tower, the second coated mixer will be pumped to after bleached oil heating, and be added and filled by carclazyte
The carclazyte for setting the second coated mixer of addition is mixed, and then oily earth mixtures is delivered in vertical blade filter and is carried out
Filtering, filtered oil returns again in the second coated mixer, and recycles the above process, until the result symbol that detection device is surveyed
When conjunction decoloration requires, stops circulation, be formed with cake layer on the strainer of vertical blade filter at this time；
3), the oil drain passage of bleaching tower is opened, oily earth mixtures, which enters, have been formed in the vertical blade filter of cake layer
Filtering, filtered oil stream enter oil storage tank.
Preferably, in step 3), with the extension of filtration time, the cake layer accumulated on strainer gradually thickens, and vertical
Formula leaf-type filter it is fuel-displaced when slowing, stop filtering, then will be to be filtered in vertical blade filter with compressed air
Raffinate in filter cake is then dried up with steam, opens the butterfly valve of bottom by liquid discharge, starting vibrator band electric filter vibrate and incite somebody to action
The cake layer vibration of strainer is fallen, and vertical blade filter is discharged, and the cyclic process then to repeat the above steps in 2) re-forms
Cake layer then filters next time.
Due to the implementation of above technical scheme, the invention has the following advantages over the prior art:
The present invention can form cake layer on the strainer of vertical blade filter while bleaching tower is in decoloration, and such one
Coming, the oily earth mixtures being discharged from bleaching tower completes the filtering of high-quality grease directly under the cooperation of cake layer and strainer, into
And the time of grease-decolor processing is greatly shortened, improve the decolorizing efficiency and processing capacity of decoloration system.
Detailed description of the invention
The present invention will be further described in detail with specific embodiment with reference to the accompanying drawing.
Fig. 1 is grease-decolor flow diagram in the prior art；
Fig. 2 is the structural schematic diagram of grease-decolor system of the invention；
Fig. 3 is the partial structurtes schematic front view of vertical blade filter of the invention；
Fig. 4 is a filter leaf cutaway enlargement diagram in Fig. 3；
Fig. 5 is grease-decolor flow diagram of the present invention；
Wherein: 1, carclazyte mixed cell；10, the first coated mixer；11, carclazyte adding set；2, bleaching tower；3, vertical blade
Filter；30, tank body；30a, can body；30b, cover；30c, tank bottom；A, feed inlet；B, discharge port；C, slag notch；D, overflow
Mouthful；31, filter leaf；310, filter frame；311, strainer；Q, through-hole；32, oil-collecting pipeline；33, bracket；34, vibrator；35, oil storage
Tank；4, pretreatment unit；40, the second coated mixer；41, recirculation assembly；42, detection device；B, cake layer (hanging cake)；X, to
Bleached oil.
Specific embodiment
It is shown in Figure 2, according to the grease-decolor system containing vertical blade filter of the present embodiment comprising carclazyte
Mixed cell 1, vertical blade filter 3, is pre-processed to form extension cake for vertical leaf-type filter 3 bleaching tower 2
The pretreatment unit 4 of (or cake layer).Specifically, carclazyte mixed cell 1 include communicated with the pipeline to bleached oil X it is first white
Native mixer 10 and carclazyte adding set 11, wherein the first coated mixer 10 is connected with bleaching tower 2, bleaching tower 2 with it is vertical
Leaf-type filter 3 is connected.
Vertical blade filter 3 is used for the separation of solid and liquid of oily earth mixtures.
Pretreatment unit 4 comprising the second coated mixer 40 for being connected with vertical blade filter 3, by vertical leaf
The pre-filtered oil of piece filter 3 is recycled to the recirculation assembly 41 of the second coated mixer 40 and setting is filtered in vertical blade
Color and/or native content in 3 oil outlet pipe of machine and to oil carry out the detection device 42 of on-line checking, wherein when detection device 42
It when measured result meets decoloration and requires, is formed on the strainer of vertical blade filter 3 and hangs cake (cake layer) B, recirculation assembly 41 stops
It only works, oily earth mixtures, which enters in the vertical blade filter 3 for being formed with and hanging cake, in bleaching tower 2 filters, that is, completes extension cake
Forming process.
As for detection device 42, under normal circumstances, observe filter out oil it is whether limpid, pass through automatic sampling certainly
The native content for carrying out analysis oil also may determine that oily quality after filtering.Meanwhile detection device 42 belongs to the normal of oil quality monitoring
With equipment, can direct outsourcing, be not described in detail herein.
Recirculation assembly 41 mainly includes circulating pump and circulation line.
Meanwhile second coated mixer 40 be also connected with bleaching tower 2 setting.That is, being hung when vertical blade filter 3 is formed
After cake, the second coated mixer 40 can be connected to bleaching tower, so that oily earth mixtures further decolourizes in bleaching tower 2
Processing.Increase substantially the efficiency of grease-decolor.
As shown in connection with fig. 3, vertical blade filter 3 is vertically arranged and has feed inlet a, discharge port b and deslagging
The tank body 30 of mouth c；The filter leaf 31 being vertically arranged in tank body 30, wherein tank body 30 includes can body 30a, cover 30b and tank
Bottom 30c, filter leaf 31 is from the side wall that both sides are removably disposed can body 30a.
In this example, can body 30a is cylindrical, and tank bottom 30c is in the gradually smaller taper type of outer diameter from top to bottom, cover 30b
It is removably disposed in the oral area of can body 30a.
Specifically, the horizontal cross-section of can body 30a is rounded, filter leaf 31 has multiple groups, and along round same diameter
Extending direction be successively distributed in circular interior.
As shown in connection with fig. 4, every group of filter leaf 31 includes in the filter frame 310 of rectangle, positioned at the filter of 310 opposite sides of filter frame
Net 311 wherein forms filter chamber inside strainer 311 and filter frame 310, and vertical blade filter further includes for filtering multiple filter chambers certainly
The interconnected oil-collecting pipeline 32 of frame 310, the oil outlet pipe for oil-collecting pipeline 32 to be connected with discharge port b (are not shown in figure
Show, but it is contemplated that) and oil storage tank 35.
In this example, filter frame 310 is hollow pipeline, is additionally provided between more hollow pipelines and more hollow pipeline inner cavities are connected
Logical communicating pipe, wherein being formed with through-hole q on the hollow pipeline inner wall for forming filter chamber at every, filtered oil can also be certainly logical
Hole q flows in hollow pipeline and flows to oil collecting pipe road 32.Significantly promote filter efficiency.
In this example, the filter frame height of multiple groups filter leaf 31 is equal, and is evenly spaced on.
Vertical blade filter 3 further includes the bracket 33 being removably disposed in inside can body 30a and is arranged in bracket
The vibrator 34 in 33 outsides, wherein filter leaf 31 is detachably connected on bracket 33 from upper and lower end parts, and vibrator 34 exports
End is connected to bracket 33, when cleaning, drives to bracket 33 by the vibration of vibrator 34, filter leaf 31 vibrate therewith so that
Cake must be hung to fall off.
In addition, slag-drip opening c is located at the bottom of tank bottom 30c, feed inlet a is located at the side of tank bottom 30c, and there are two；Charging
Mouth a is located at the side of can body 30a, and is additionally provided with overflow port d in the side that the top of feed inlet is located at can body 30a, wherein overflow
The setting of mouth d, so that vertical blade filter 3 in the charging stage, when overflow port d has liquid stream to pass through, illustrates vertical blade
It is had been filled in filter 3 to filtrate, overflow port can be closed, hang the cake stage into strainer.
In this example, the course of work of vertical blade filter are as follows: oily earth mixtures material is acted on tank body is pumped into pressure
Under, the filtering surface that filtrate passes through blade two sides enters blade filter chamber, since filtering initial stage still has portion size to be less than screen grid
Little particle can pass through strainer enter filter liquor, undesirable set of filter liquor is required to return to be thusly-formed one in filtrate at this time
A closed cycle is gradually trapped on strainer to the solid impurity in filtrate and forms cake layer, until setting up on strainer
The cleaner liquid of limpid qualification can just be obtained in liquid outlet after effective filter cake by stablizing for one layer, at this point, vertical blade filter is completed
The pretreatment of filtering is then pumped into tank body from the oily earth mixtures that bleaching tower is discharged, under the action of filter cake and strainer, complete
At the oil stream of decoloration to oil storage tank, at this point, vertical blade filter enters effective filtration stage；But with prolonging for filtration time
Long, the filter cake amount accumulated on strainer gradually increases, and after reaching a certain amount of, should terminate effective filtration stage, will be filtered with compressed air
Being discharged in tank to filtrate is opened the butterfly valve of tank base, is opened with steam (or compressed air) by after the raffinate drying in filter cake
Dynamic vibrator vibrates with electric filter and falls the vibration of the filter cake of strainer, and tank body is discharged.Butterfly valve is closed after filter cake is drained, for next time
Filtering is ready.
Meanwhile in order to further ensure that filter effect, essence can be additionally provided between vertical blade filter and oil storage tank
Filter.
The application decoloration process process (shown in Figure 5):
After the heated device heating of bleached oil, it is pumped to coated mixer 1, is added with carclazyte adding set (carclazyte adder)
Carclazyte mixes, it is to be mixed sufficiently after, oil-carclazyte mixed liquor is pumped to bleaching tower, in bleaching tower under stirring, carclazyte
In the substances such as pigment absorption past in oil；Carry out at the same time, it is heated after another part to bleached oil, be pumped to
Coated mixer 2, the carclazyte being added with carclazyte adding set (carclazyte adder) are mixed, are formed in coated mixer 2
In oil-carclazyte mixed liquor, carclazyte concentration is greatly increased, and oil-carclazyte mixed liquor carclazyte concentration relative to bleaching tower increases
Add, well-mixed high concentration oil-carclazyte mixed liquor in coated mixer 2, be pumped to vertical blade filter, completes vertical
The charging stage of leaf-type filter and extension cake stages operating, extension cake step cycle operation are recirculated back in coated mixer 2, to
Hang cake complete, strainer formed one of stable filter layer, can enter the normal filtration stage, at this time close coated mixer 2 to
Oil inlet passage of the bleaching tower to vertical blade filter is opened in the channel of vertical blade filter oil inlet, to through completing decoloration
Mixed liquor is filtered, and filtered oil becomes bleached oil after cooling again by guard filter refined filtration (strainer).
In the art, as original decoloration process, vertical blade filter undergoes the periodical operation of four-stage,
Charging stage, filtration stage, deslagging stage all do not change substantially, and variation is most significantly exactly to hang the cake stage, and original technique is
The oil of bleaching tower-carclazyte mixed liquor input vertical blade filter carries out extension cake, and carclazyte concentration is low, and the extension cake time is long, is now changed to
Special equipment is recycled to oil-carclazyte mixed liquor of vertical blade filter supply high concentration, is hung cake speed and is greatly speeded up,
It hangs the cake time and reduces more than half, greatly shortened with the cake time is hung, make on strainer that the oil flow channel of cake layer is loose, compare
Unimpeded, oil is easy to pass through, and carclazyte is blocked by cake layer, extends the normal filtration time in this way, and therefore, it is necessary to carry out to strainer
Raffinate in filter cake is specifically blown being discharged in filter tank to filtrate with steam (or compressed air) with compressed air by cleaning
After dry, the butterfly valve of tank base is opened, starting vibrator vibrates with electric filter and falls the vibration of the filter cake of strainer, and tank body is discharged,
Butterfly valve is closed after filter cake is drained, is ready for filtering next time.
Therefore, with the shortening for hanging the cake time, the manipulation strength and difficulty of equipment are reduced, simultaneously as bleaching tower is de-
The charging of color and vertical blade filter, extension cake carry out simultaneously, and original technique is first to decolourize to feed extension cake again, is used in this way
After the system of the application, hence it is evident that the time for shortening technical process is equal to the processing capacity for improving equipment.
The present invention is described in detail above, its object is to allow the personage for being familiar with this field technology that can understand this
The content of invention is simultaneously implemented, and it is not intended to limit the scope of the present invention, and the present invention is not limited to above-mentioned implementations
, equivalent change or modification made by all Spirit Essences according to the present invention should all cover in protection scope of the present invention.
Claims (10)
1. a kind of grease-decolor system containing vertical blade filter comprising: carclazyte mixed cell, including with wait decolourize
The first coated mixer and carclazyte adding set that the pipeline of oil communicates；
Bleaching tower is connected with first coated mixer；
Vertical blade filter is connected to the bleaching tower, and the separation of solid and liquid for oily earth mixtures；
It is characterized by: the grease-decolor system further includes for being filtered pretreatment to the vertical blade filter
To form the pretreatment unit for hanging cake, wherein the pretreatment unit includes the to be connected with the vertical blade filter
Two coated mixers, the circulation group that the pre-filtered oil of vertical blade filter is recycled to second coated mixer
Part and the color and/or native content being arranged in the vertical blade filter oil outlet pipe and to oil carry out on-line checking
Detection device, wherein when the detection device measured result meets decoloration and requires, the strainer of the vertical blade filter
Upper to form the extension cake, the recirculation assembly stops working, and oily earth mixtures is described into being formed in the bleaching tower
It hangs in the vertical blade filter of cake and filters.
2. the grease-decolor system according to claim 1 containing vertical blade filter, it is characterised in that: described
Two coated mixers are also connected with the bleaching tower setting.
3. the grease-decolor system according to claim 1 containing vertical blade filter, it is characterised in that: described is vertical
Formula leaf-type filter includes tank body be vertically arranged and with feed inlet, discharge port and slag-drip opening；Described in being vertically arranged in
The intracorporal filter leaf of tank, wherein the tank body includes can body, End Pieces, the filter leaf from both sides removably
It is arranged on the side wall of the can body.
4. the grease-decolor system according to claim 3 containing vertical blade filter, it is characterised in that: the can body
Horizontal cross-section it is rounded, the filter leaf has a multiple groups, and along the extending direction of round same diameter successively uniformly between
Every being distributed in circular interior.
5. the grease-decolor system according to claim 4 containing vertical blade filter, it is characterised in that: described in every group
Filter leaf includes the filter frame for being in rectangle, positioned at the strainer of the filter frame opposite sides, wherein inside the strainer and filter frame
Filter chamber is formed, the vertical blade filter further includes the oil-collecting for multiple filter chambers to be interconnected from the filter frame
Pipeline, the oil outlet pipe for the oil-collecting pipeline to be connected with the discharge port and oil storage tank.
6. the grease-decolor system according to claim 5 containing vertical blade filter, it is characterised in that: the filter frame
For hollow pipeline, it is additionally provided with the communicating pipe that the more hollow pipeline inner cavities are connected between the more hollow pipelines,
In form the filter chamber at every hollow pipeline inner wall on be formed with through-hole, filtered oil can also be from the through-hole in institute
It states and is flowed in hollow pipeline and flow to the oil-collecting pipeline.
7. the grease-decolor system according to claim 3 containing vertical blade filter, it is characterised in that: described is vertical
Formula leaf-type filter further includes the bracket being removably disposed in inside the can body and the vibration that the stent outer is arranged in
Dynamic device, wherein the filter leaf is detachably connected on the bracket from upper and lower end parts, the vibrator output end with
The bracket connection, when cleaning, drives to the bracket by the vibration of the vibrator, the filter leaf vibrates therewith
So that the extension cake falls off.
8. the grease-decolor system according to claim 3 containing vertical blade filter, it is characterised in that: the row
Cinder notch is located at the bottom of the tank bottom, and the feed inlet is located at the side of the tank bottom, and there are two；The feed inlet position
Overflow port is additionally provided in the side of the can body, and in the side that the top of the feed inlet is located at the can body.
9. a kind of grease-decolor technique containing vertical blade filter, it is characterised in that: the process employs claim 1 to
Grease-decolor system described in any one of 8 claims carries out grease-decolor processing, the specific steps are as follows:
1) it, send to bleached oil heating rear pump or output pump to the first coated mixer, the first coated mixer is added by carclazyte adding set
Carclazyte mixed, then send to bleaching tower；
2) it, is decolourized simultaneously in bleaching tower, the second coated mixer will be pumped to after bleached oil heating, and be added and filled by carclazyte
The carclazyte for setting the second coated mixer of addition is mixed, and then oily earth mixtures is delivered in vertical blade filter and is carried out
Filtering, filtered oil returns again in the second coated mixer, and recycles the above process, until the result symbol that detection device is surveyed
When conjunction decoloration requires, stops circulation, be formed with cake layer on the strainer of vertical blade filter at this time；
3), the oil drain passage of bleaching tower is opened, oily earth mixtures, which enters, have been formed in the vertical blade filter of cake layer
Filtering, filtered oil stream enter oil storage tank.
10. the grease-decolor technique containing vertical blade filter according to claim 9, it is characterised in that: in step 3)
In, with the extension of filtration time, the cake layer accumulated on strainer gradually thickens, and the speed change that vertical blade filter is fuel-displaced
When slow, stop filtering, it, then will be in filter cake with steam then with compressed air by being discharged to filtrate in vertical blade filter
Raffinate drying, open the butterfly valve of bottom, starting vibrator vibrates with electric filter and falls the vibration of the cake layer of strainer, and is discharged vertical
Formula leaf-type filter, the cyclic process then to repeat the above steps in 2), re-forms cake layer, then filters next time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253480.5A CN109810776B (en) | 2019-03-29 | 2019-03-29 | Grease decoloring system and process containing vertical leaf filter |
| CN202311803969.8A CN117821159A (en) | 2019-03-29 | 2019-03-29 | Grease decoloring technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253480.5A CN109810776B (en) | 2019-03-29 | 2019-03-29 | Grease decoloring system and process containing vertical leaf filter |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311803969.8A Division CN117821159A (en) | 2019-03-29 | 2019-03-29 | Grease decoloring technology |
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| Publication Number | Publication Date |
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| CN109810776A true CN109810776A (en) | 2019-05-28 |
| CN109810776B CN109810776B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311803969.8A Pending CN117821159A (en) | 2019-03-29 | 2019-03-29 | Grease decoloring technology |
| CN201910253480.5A Active CN109810776B (en) | 2019-03-29 | 2019-03-29 | Grease decoloring system and process containing vertical leaf filter |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311803969.8A Pending CN117821159A (en) | 2019-03-29 | 2019-03-29 | Grease decoloring technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115651759A (en) * | 2022-11-07 | 2023-01-31 | 山东凯斯达机械制造有限公司 | Automatic filtering system for grease decoloring and use method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN117821159A (en) | 2024-04-05 |
| CN109810776B (en) | 2024-01-16 |
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