CN102524902A - Vacuum drum filter and operating method thereof prior to ultrafiltration of fruit/vegetable juice - Google Patents
Vacuum drum filter and operating method thereof prior to ultrafiltration of fruit/vegetable juice Download PDFInfo
- Publication number
- CN102524902A CN102524902A CN2012100279222A CN201210027922A CN102524902A CN 102524902 A CN102524902 A CN 102524902A CN 2012100279222 A CN2012100279222 A CN 2012100279222A CN 201210027922 A CN201210027922 A CN 201210027922A CN 102524902 A CN102524902 A CN 102524902A
- Authority
- CN
- China
- Prior art keywords
- vacuum
- filter
- diatomite
- precoating
- fruit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 235000011389 fruit/vegetable juice Nutrition 0.000 title claims abstract description 18
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 14
- 238000011017 operating method Methods 0.000 title abstract 2
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 235000019362 perlite Nutrition 0.000 claims description 5
- 239000010451 perlite Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 241000195493 Cryptophyta Species 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 5
- 239000000706 filtrate Substances 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 235000020418 red date juice Nutrition 0.000 description 4
- 238000000926 separation method Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to the field of farm produce processing, in particular to a vacuum drum filter and an operating method thereof prior to the ultrafiltration of fruit/vegetable juice. The operating steps include: precoating, material feeding, cutting feed, filtrate collection and cleaning. Before the ultrafiltration of the fruit/vegetable juice, if the viscosity of the material is overhigh and impurities are excessive, the flux of ultrafiltration can be affected, and as a result, the whole continuous fruit/vegetable juice production process can be affected. After the fruit/vegetable juice is filtered by a vacuum drum, the viscosity of the fruit/vegetable juice is decreased, impurities are reduced, consequently, the flux of the ultrafiltration of the fruit/vegetable juice is increased, the flux decrease rate is decreased, and the energy consumption of production is reduced.
Description
Technical field:
The invention belongs to the processing of farm products field, a kind of vacuum-type drum filter and the method for work before the Juice ultrafiltration thereof.
Background technology:
Rotary drum vacuum filter is a kind of continous way filter plant, have continuous filtration, washing, automatically degree of changing into height, floor space little, to advantage such as the adaptability of material is strong.Therefore be widely used in the field that various needs such as pharmacy, fruit juice, sewage disposal carry out Separation of Solid and Liquid.
Juice is before ultrafiltration, if material viscosity is too high, impurity is too many, will influence the flux of ultrafiltration, thereby influences whole Juice quantity-produced process.After Juice filtered through vacuum drum, the viscosity of Juice reduced, and impurity reduces, and improves the flux of Juice when ultrafiltration, reduces the flux fall off rate.
Summary of the invention:
The present invention is to be raw material with the Juice, to the deficiency of prior art, adopts the vacuum drum filtering technique, reduces material viscosity, improves the flux of material when ultrafiltration.
(1) precoating: use perlite earlier, recycle silicon algae soil, control vacuum 0.04Mpa.After precoating finishes, carry out the reparation circulation (under the situation of not feed, the recirculation pre-coating solution) of 10～15min, to consolidate precoated shet, making it to be used for filter process can more effectively be excised.
(2) advance material, control vacuum 0.06Mpa.
(3) vacuum drum whenever turns around, and cutting knife must (being generally 0.075～0.13cm) advances with enough depths of cut; Can be removed so that infiltrate the solid of precoated shet; After all solids that penetrate into precoated shet are excised; When facing the arrival of next circle rotary drum with a clean filter coating, it is the highest that diatomaceous efficient just reaches, and too much or very few feed meeting reduces the efficient of filter aid and increases filters cost.
When (4) filtering, need in the muddy liquid of material, quantitatively to add the diatomite with the precoating same size, and stir, filter; Solid matter in diatomite and the material is held back by precoated shet together, stays in the diatomite of precoated shet.
(5) filtrating is collected, and carries out hyperfiltration treatment.
(6) filter end, strengthen the depth of cut, excise the waste diatomite of drum surface, and clean, filter screen or filter cloth are kept clean, meet filtration next time with the clear water recoil.
Operation principle:
Vacuum-type drum filter carries out the precoating of filter aid (like diatomite, perlite etc.) earlier before filtration, the filter aid (diatomite) in the cell body forms certain thickness precoated shet in drum surface under the vacuum draw effect; Inject material to be filtered and diatomite mixed liquor then; Under the vacuum draw effect; Separated filtrate sees through precoated shet and filter screen or filter cloth; Through pipette, collector tube, discharging filtrating cylinder (or vapour liquid separator) is discharged automatically, and the solid particle in the muddy liquid of material is held back by precoated shet, is constantly scraped off together with the diatomite top layer by the mechanical doctor of automatic control feeding.When the precoated shet residual thickness reaches one regularly, need carry out precoating again, carry out next operation cycle.
The general per tour of vacuum-type drum filter only needs precoating once, can continuous filtration, and feed separation is thorough, and the rate of filtration is fast, and the material that leaches is clear, the flow when improving subsequent ultrafiltration work.
Advantage of the present invention:
Vacuum-type drum filter generally is used to contain the continuous filtration of sticky contaminant material, and its advantage is that impurity separates thoroughly, the rate of filtration is fast, the nutriment loss is little, labour intensity is low and the workspace environment is good, and the flux of Juice subsequent ultrafiltration process can be provided simultaneously.
The specific embodiment
Below in conjunction with the jujube juice instance the present invention is done explanation at length, but be not limited only to this.Method described in the embodiment if no special instructions all by conventional method.
(1) precoating: use perlite earlier, recycle silicon algae soil, control vacuum 0.04Mpa, precoating 4cm.After precoating finishes, carry out the reparation circulation of 15min.
(2) advance jujube juice, control vacuum 0.06Mpa.
(3) regulate rate of feed at a slow speed, the 8s feed once.
When (4) filtering, need in the muddy liquid of material, quantitatively to add the diatomite with the precoating same size, and stir, filter; Solid matter in diatomite and the material is held back by precoated shet together, stays in the diatomite of precoated shet.
(5) filtrating is collected, and carries out hyperfiltration treatment.
(6) filter end, strengthen the depth of cut, excise the waste diatomite of drum surface, and clean with the clear water recoil, filter screen or filter cloth are kept clean, preparation is filtered next time.
Quality Detection after the jujube juice vacuum drum filters
The result of jujube juice soluble solid, light transmittance and turbidity that employing the inventive method makes is as shown in table 1 below.
Table 1
Claims (5)
1. vacuum-type drum filter and the method for work before the Juice ultrafiltration thereof, this method step is following:
(1) precoating: use perlite earlier, recycle silicon algae soil, control vacuum 0.04Mpa.After precoating finishes, carry out the reparation circulation (under the situation of not feed, the recirculation pre-coating solution) of 10～15min, to consolidate precoated shet, making it to be used for filter process can more effectively be excised.
(2) advance the Juice material, control vacuum 0.06Mpa.
(3) vacuum drum whenever turns around, and cutting knife must (being generally 0.075～0.13cm) advances with enough depths of cut; Can be removed so that infiltrate the solid of precoated shet; After all solids that penetrate into precoated shet are excised; When facing the arrival of next circle rotary drum with a clean filter coating, it is the highest that diatomaceous efficient just reaches, and too much or very few feed meeting reduces the efficient of filter aid and increases filters cost.
When (4) filtering, need in the muddy liquid of material, quantitatively to add the diatomite with the precoating same size, and stir, filter; Solid matter in diatomite and the material is held back by precoated shet together, stays in the diatomite of precoated shet.
(5) filtrating is collected, and carries out hyperfiltration treatment.
(6) filter end, strengthen the depth of cut, excise the waste diatomite of drum surface, and clean with the clear water recoil, filter screen or filter cloth are kept clean, preparation is filtered next time.
2. the method for work of vacuum drum machine according to claim 1 is characterized in that: wherein step (1) precoating is employed is perlite and diatomite, vacuum pressure 0.04Mpa.
3. the method for work of vacuum drum machine according to claim 1 is characterized in that: wherein step (2) feed pressure vacuum remains on 0.06Mpa.
4. the method for work of vacuum drum machine according to claim 1 is characterized in that: wherein step (3) is according to the material charging rate, and adjustment scraper feed distance is generally 0.075cm/min.
5. the method for work of vacuum drum machine according to claim 1 is characterized in that: when wherein step (4) is filtered, need in the muddy liquid of material, quantitatively to add the diatomite with the precoating same size, and stir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100279222A CN102524902A (en) | 2012-02-09 | 2012-02-09 | Vacuum drum filter and operating method thereof prior to ultrafiltration of fruit/vegetable juice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100279222A CN102524902A (en) | 2012-02-09 | 2012-02-09 | Vacuum drum filter and operating method thereof prior to ultrafiltration of fruit/vegetable juice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102524902A true CN102524902A (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100279222A Pending CN102524902A (en) | 2012-02-09 | 2012-02-09 | Vacuum drum filter and operating method thereof prior to ultrafiltration of fruit/vegetable juice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102524902A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892401A (en) * | 2012-12-30 | 2014-07-02 | 上海沃迪自动化装备股份有限公司 | Fruit clear juice filtering process |
| CN107410791A (en) * | 2017-08-25 | 2017-12-01 | 广西南宁华鑫糖业技术有限责任公司 | A kind of method of low cost production sugarcane inspissated juice |
| CN114917674A (en) * | 2022-05-31 | 2022-08-19 | 天地壹号饮料股份有限公司 | Fruit vinegar filtering method |
-
2012
- 2012-02-09 CN CN2012100279222A patent/CN102524902A/en active Pending
Non-Patent Citations (2)
| Title |
|---|
| 毛青钟等: "黄酒酒脚过滤和废硅藻土的利用", 《酿酒科技》 * |
| 陈世富等: "珍珠岩-硅藻土复合助滤剂及其生产工艺", 《信阳师范学院学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892401A (en) * | 2012-12-30 | 2014-07-02 | 上海沃迪自动化装备股份有限公司 | Fruit clear juice filtering process |
| CN107410791A (en) * | 2017-08-25 | 2017-12-01 | 广西南宁华鑫糖业技术有限责任公司 | A kind of method of low cost production sugarcane inspissated juice |
| CN114917674A (en) * | 2022-05-31 | 2022-08-19 | 天地壹号饮料股份有限公司 | Fruit vinegar filtering method |
| CN114917674B (en) * | 2022-05-31 | 2024-02-06 | 天地壹号饮料股份有限公司 | Fruit vinegar filtering method |
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Application publication date: 20120704 |