CN104818347A - Automatic solid-liquid separation pre-limer for external pre-liming juice - Google Patents
Automatic solid-liquid separation pre-limer for external pre-liming juice Download PDFInfo
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- CN104818347A CN104818347A CN201510178657.1A CN201510178657A CN104818347A CN 104818347 A CN104818347 A CN 104818347A CN 201510178657 A CN201510178657 A CN 201510178657A CN 104818347 A CN104818347 A CN 104818347A
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- screen frame
- juice
- liquid separation
- tank
- staving
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/02—Purification of sugar juices using alkaline earth metal compounds
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/16—Purification of sugar juices by physical means, e.g. osmosis or filtration
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Non-Alcoholic Beverages (AREA)
Abstract
The invention discloses an automatic solid-liquid separation pre-limer for external pre-liming juice. The automatic solid-liquid separation pre-limer comprises a pre-limer body, a mixer, a cane juice inlet, a lime milk inlet and a discharge hole, wherein the mixer is arranged on the pre-limer body, a pre-liming juice solid-liquid separation device is arranged below the pre-limer body and comprises a filter screen frame and a separating medium tank covered by the filter screen frame, the separating medium can rotate around a support shaft freely, and the filter screen frame can block pre-liming juice floccules outside the filter screen frame, so that the pre-liming juice can fall into the separating medium tank through grids. The automatic solid-liquid separation pre-limer for external pre-liming juice provided by the invention has the characteristics of being low in energy consumption, simple in structure and convenient to operate.
Description
Technical field
The present invention relates to a kind of sugar mill, refer to a kind of solid-liquid separation preliming tank automatically especially.
Background technology
Sugaring process generally comprises the operations such as extraction of the juice, peace and quiet, evaporation, crystallization, purging, drying, and wherein peace and quiet flow process is pre-ash-heating-main ash-mono-'s time carbonation-once filter.Pre-ash is an important step in peace and quiet operation, and the quality of pre-grey quality has a significant impact subsequent handling.Preliming tank is in pre-grey process, for adding a small amount of milk of lime or adding backflow juice process mixing juice or the equipment of diffusion juice again.
In pre-grey process, together, most of pre-grey equipment can not process flocculation material a large amount of impurity flocculation material.Flocculation material is followed after predefecation juice enters main grey equipment together and is again dissolved, and increases main ash process burden so on the one hand, has also had influence on the concentration of syrup on the other hand.
Some contrivers also attempt handling it to improve syrup concentration to throw out before main ash process, such as:
Predefecation juice tripping device in [title] a kind of carbonatation process production technique, [patent No.] CN201320165993.9, [applying date] 2013.04.07, predefecation juice tripping device in a kind of carbonatation process production technique is disclosed, be provided with preliming tank, preliming tank is connected with the input channel of gas floatation separation device, and the two-way output channel of gas floatation separation device is connected with clear liquid storage tank, turbid slag storage tank respectively, clear liquid storage tank is connected with main ash bucket by pump, and turbid slag storage tank is arranged outward by pump.
This utility model adopts gas floatation separation device that the most of impurity flocculated in pre-ash process is separated removing in advance, realizes solid-liquid separation, effectively improves the purity of material.But described gas floatation separation device, material conveying process, have employed many places pumping plant, energy consuming ratio is more serious; Solid-liquid separation process, adopt air flotation technology, flow process is relative complex also.
Therefore, after pre-ash process terminates, flocculation material removing is necessary, but prior art can not realize solid-liquid separation easily under the prerequisite of low power consuming, is necessary to make further technological improvement.
Summary of the invention
The object of the invention is the shortcoming and defect solving prior art, provide a kind of device low, structure is simple, easy to operate that consumes energy the outer automatic solid-liquid separation preliming tank of predefecation juice.
The outer automatic solid-liquid separation preliming tank of predefecation juice of device of the present invention, comprises staving and is arranged on agitator, sugarcane juice entrance, milk of lime entrance, the discharge port on staving; Be provided with predefecation juice equipment for separating liquid from solid below staving, described equipment for separating liquid from solid comprises the separation liquid tank of filtering screen frame and being covered by screen frame; Filter screen frame freely to overturn around back shaft; Filtering screen frame can be blocked in outside screen frame by predefecation juice throw out, allows predefecation juice fall into separation liquid tank through grid.
The present invention realizes impurity flocculation material like this and is separated with predefecation juice, and in predefecation juice dropping process, the flocculation material that size is larger than filter grid is directly blocked, and along with the rotation of filtering screen frame, this part flocculation material finally drops outside separation liquid tank; Predefecation juice is then direct through grid, enters in separation liquid tank.For the flocculation material that size is relatively little, all can produce bubble because predefecation juice dropping process and shock filter screen frame process, these bubbles can hinder undersized flocculation material through grid, thus realize solid-liquid separation.
Predefecation juice, after filtering, effectively prevent flocculation material and follows after predefecation juice enters main grey equipment together and again dissolve, and alleviates main ash process burden, also improves the cleanliness factor of syrup on the other hand.
Further illustrate as of the present invention, described filtration screen frame is arranged on immediately below discharge port, and the size of its size of mesh opening and predefecation juice throw out matches; Filter the cylindrical shape that screen frame is rule, evenly can overturn around back shaft.
Further illustrate as of the present invention, one end back shaft of described filtration screen frame is connected with motor, is driven filter screen frame upset by motor.
Further illustrate as of the present invention, described motor is variable-frequency motor, and the control chip of motor controls electric machine rotation according to the pressure of machine shaft, comprises force samples module and driver module; Force samples module integration pressure transmitter, is responsible for the pressure data collecting rotating shaft; Driver module calculates corresponding rotation strategy according to pressure data, then drives the upset of filtration screen frame by motor.
The effect of variable-frequency motor adjusts according to predefecation juice flow velocity the reversal rate filtering screen frame, prevents flocculation material from accumulating on screen frame, obtain better filter effect.Because flow velocity is larger, predefecation juice is larger to the surging force of filtering screen frame, and due to related effect, the force value of machine shaft is larger; As long as measure this force value, just energy perception predefecation juice flow velocity, the reversal rate of screen frame is filtered in adjustment on this basis.
Further illustrate as of the present invention, described separation liquid tank connects subsequent processing equipment by the output channel of bottom; Output channel is provided with flowrate control valve, and this control valve can by computer or Artificial Control.
Add the output that flowrate control valve can control predefecation juice flexibly, make pre-ash process and main ash below, a carbon full charge, once the operation such as to filter and more coordinate, raising syrup quality.
Further illustrate as of the present invention, the bottom land of described separation liquid tank tilts to output channel direction, and angle of inclination is 5-10 °.
Bottom land inclined design is conducive to smooth and easy discharge predefecation juice, avoids dead angle.
Further illustrate as of the present invention, described staving is divided into two-layer up and down, and separate with the conical plate that Open Side Down in the middle of staving, conical plate is provided with valve, and staving upper strata is reaction chamber, and lower floor is fluid reservoir; The bottom of staving is the taper of opening upwards, and the vertex of a cone arranges discharge port.
Above bucket body structure, makes untreated juice fully react in reaction chamber, and the pre-grey juice terminated stops in fluid reservoir, allows the solidifying wadding of impurity as much as possible together, convenient filtration.
Further illustrate as of the present invention, described agitator quantity is 2 or 4 or 6 or 8, is symmetrically arranged in the reaction chamber of staving 1; Described agitator is spiral stirrer.
Symmetrically spiral stirrer is set, is conducive in reaction chamber, form more disturbances and backflow, make juice react more abundant.
Further illustrate as of the present invention, described filtration screen frame adopts inside and outside Double-level Reticulated structure, and the relative displacement of Inside and outside network is not fixed, and by adjustment displacement between the two, can change the size of grid.
The outer predefecation juice automatic solid-liquid separation preliming tank of device of the present invention compared with prior art has following progress:
1, the present invention is consumed energy few, and the transmission of predefecation juice, relies on ordering about of gravity completely; Solid-liquid separation process, only need motor to drive and filter screen frame upset, its power is also less than bubble generator of the prior art.
2, structure is simpler, and the present invention by staving, filtration screen frame, motor combination together, makes it possess solid-liquid separation function dexterously; Save bubble generator, infusion pump, solid-liquid separation tank, scrape many equipment such as slag, structure is simple, easy to maintenance.
The flow processs such as 3, easy to operate, equipment of the present invention is full-automatic operational outfit, charging-pre-ash-solid-liquid separation-output are all that equipment autonomously completes, and operator has only needed simple current check and safeguarded.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation of the outer automatic solid-liquid separation preliming tank of predefecation juice of apparatus of the present invention.
In figure, 1-staving; 2-agitator; 3-sugarcane juice entrance; 4-milk of lime entrance; 5-discharge port; 6-separation liquid tank; 7-filter screen frame; 8-motor.
Embodiment
See the outer automatic solid-liquid separation preliming tank of predefecation juice of Fig. 1 device of the present invention, the agitator 2, sugarcane juice entrance 3, milk of lime entrance 4, the discharge port 5 that are provided with staving 1 and are arranged on staving; Be provided with predefecation juice equipment for separating liquid from solid below staving, described equipment for separating liquid from solid is provided with the separation liquid tank 6 of filtering screen frame 7 and being covered by screen frame; Filter screen frame freely to overturn around back shaft; Filtering screen frame can be blocked in outside screen frame by predefecation juice throw out, allows predefecation juice fall into separation liquid tank 6 through grid.
Filtering screen frame 7 is arranged on immediately below discharge port 5, and the size of its size of mesh opening and predefecation juice throw out matches; One end back shaft filtering screen frame 7 is connected with motor.Filter the cylindrical shape that screen frame is rule, evenly can overturn around back shaft.Filter screen frame 7 and adopt inside and outside Double-level Reticulated structure, the relative displacement of Inside and outside network is not fixed, and by adjustment displacement between the two, can change the size of grid.
Motor 8 is variable-frequency motor, and the control chip of motor controls electric machine rotation according to the pressure of machine shaft, is provided with force samples module and driver module; Force samples module integration pressure transmitter, is responsible for the pressure data collecting rotating shaft; Driver module calculates corresponding rotation strategy according to pressure data, then drives filtration screen frame 7 to overturn by motor.
Separation liquid tank 6 connects subsequent processing equipment by the output channel of bottom; Output channel is provided with flowrate control valve 9, and this control valve can by computer or Artificial Control.The bottom land of separation liquid tank 6 tilts to output channel direction, and angle of inclination is 5-10 °.
Staving 1 is divided into two-layer up and down, and separate with the conical plate that Open Side Down in the middle of staving, conical plate is provided with valve, and staving upper strata is reaction chamber, and lower floor is fluid reservoir; The bottom of staving is the taper of opening upwards, and the vertex of a cone arranges discharge port 5.
Described agitator 2, is symmetrically arranged in the reaction chamber of staving 1; Spiral stirrer selected by described agitator.
In working process, the sugarcane juice that sugarcane juice abstraction process obtains flows into the reaction chamber of staving 1 from sugarcane juice entrance 3; Milk of lime simultaneously in advance needed for ash or backflow juice enter staving 1 from milk of lime entrance 4; Drive agitator 2, make reaction solution constantly impact backflow at the reaction chamber on staving upper strata, until sufficient reacting; The sugarcane juice reacted enters the fluid reservoir of staving 1 lower floor, and after static for some time, the impurity major part flocculation in predefecation juice together.Predefecation juice falls from discharge port 5, and form the water column of vertical drop, in predefecation juice dropping process, the flocculation material that size is larger than filter grid is directly blocked, and along with the rotation of filtering screen frame, this part flocculation material finally drops outside separation liquid tank; Predefecation juice is then direct through grid, enters in separation liquid tank.For the flocculation material that size is relatively little, falling due to predefecation juice and clashing into filtration screen frame process all can produce bubble, and these bubbles can hinder undersized flocculation material through grid, thus realize solid-liquid separation.In solid-liquid separation process, motor 8 can also adjust according to the flow velocity of predefecation juice the reversal rate filtering screen frame, prevents flocculation material from accumulating on screen frame.After solid-liquid separation, predefecation juice enters separation liquid tank 6, then enters next sugar industry operation by transfer passage.The flocculation material be separated can utilize existing bagasse recovery system to recycle.
Under ignoring the prerequisite of agitator, the main power consumption of prior art is predefecation juice transport process and foam production process, and the infusion pump power needed for transmission is generally 350W, and the floating device power needed for foam occurs is not less than 1500W, and total power is at more than 1850W.Main power consumption of the present invention is to filter screen frame rotation process and control circui process, and drive the power of motor filtering screen frame rotation only to need 100-200W, the power of pilot circuit is 20-40W, and total power is 120-240W.Therefore the power consumption compared to existing technology of this equipment reduces a magnitude.
Preliming tank of the present invention carries filtering function, and predefecation juice, after filtering, effectively prevent flocculation material and follows after predefecation juice enters main grey equipment together and again dissolve, and alleviates main ash process burden, also improves the cleanliness factor of syrup on the other hand.After applying to sugar industry line, the unslaked lime usage quantity 20%-30% of follow-up cleaning technique can be saved, carry sugarcane juice clean level 5-10%.
Preliming tank of the present invention is also arranged on filter mechanism outside preliming tank especially, and the distance between preliming tank and filter mechanism independently can set according to the feature of different factory building.Secondly, filter screen frame rotating speed by variable-frequency motor adjustment, rotating speed controls between 0.5-3 circle is per second, and the residence time of flocculation material on filtration screen frame is no more than 1 second, and flocculation material cannot accumulate on screen frame, therefore can keep good filter effect.
Claims (9)
1. the outer automatic solid-liquid separation preliming tank of predefecation juice of device, comprises staving (1) and is arranged on agitator (2), sugarcane juice entrance (3), milk of lime entrance (4), the discharge port (5) on staving; It is characterized in that: be provided with predefecation juice equipment for separating liquid from solid below staving, described equipment for separating liquid from solid comprises the separation liquid tank (6) of filtering screen frame (7) and being covered by screen frame; Filter screen frame freely to overturn around back shaft; Filtering screen frame can be blocked in outside screen frame by predefecation juice throw out, allows predefecation juice fall into separation liquid tank (6) through grid.
2. the outer automatic solid-liquid separation preliming tank of predefecation juice of device according to claim 1, is characterized in that: described filtration screen frame (7) is arranged on immediately below discharge port (5), and the size of its size of mesh opening and predefecation juice throw out matches; Filter the cylindrical shape that screen frame is rule, evenly can overturn around back shaft.
3. according to the outer automatic solid-liquid separation preliming tank of predefecation juice of the arbitrary described device of claim 1-2, it is characterized in that: one end back shaft of described filtration screen frame (7) is connected with motor, driven by motor and filter screen frame upset.
4. the outer automatic solid-liquid separation preliming tank of predefecation juice of device according to claim 3, it is characterized in that: described motor (8) is variable-frequency motor, the control chip of motor controls electric machine rotation according to the pressure of machine shaft, comprises force samples module and driver module; Force samples module integration pressure transmitter, is responsible for the pressure data collecting rotating shaft; Driver module calculates corresponding rotation strategy according to pressure data, then drives filtration screen frame (7) upset by motor.
5. the outer automatic solid-liquid separation preliming tank of predefecation juice of device according to claim 4, is characterized in that: described separation liquid tank (6) connects subsequent processing equipment by the output channel of bottom; Output channel is provided with flowrate control valve (9), and this control valve can by computer or Artificial Control.
6. the outer automatic solid-liquid separation preliming tank of predefecation juice of device according to claim 5, is characterized in that: the bottom land of described separation liquid tank (6) tilts to output channel direction, and angle of inclination is 5-10 °.
7. the outer automatic solid-liquid separation preliming tank of predefecation juice of device according to claim 6, it is characterized in that: described staving (1) is divided into two-layer up and down, separate with the conical plate that Open Side Down in the middle of staving, conical plate is provided with valve, staving upper strata is reaction chamber, and lower floor is fluid reservoir; The bottom of staving is the taper of opening upwards, and the vertex of a cone arranges discharge port (5).
8. the outer automatic solid-liquid separation preliming tank of predefecation juice of device according to claim 7, is characterized in that: described agitator (2) quantity is 2 or 4 or 6 or 8, is symmetrically arranged in the reaction chamber of staving (1); Described agitator is spiral stirrer.
9. the outer automatic solid-liquid separation preliming tank of predefecation juice of device according to claim 8, it is characterized in that: described filtration screen frame (7) adopts inside and outside Double-level Reticulated structure, the relative displacement of Inside and outside network is not fixed, and by adjustment displacement between the two, can change the size of grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178657.1A CN104818347A (en) | 2015-04-16 | 2015-04-16 | Automatic solid-liquid separation pre-limer for external pre-liming juice |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178657.1A CN104818347A (en) | 2015-04-16 | 2015-04-16 | Automatic solid-liquid separation pre-limer for external pre-liming juice |
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| CN104818347A true CN104818347A (en) | 2015-08-05 |
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| CN201510178657.1A Pending CN104818347A (en) | 2015-04-16 | 2015-04-16 | Automatic solid-liquid separation pre-limer for external pre-liming juice |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2673852Y (en) * | 2003-11-11 | 2005-01-26 | 天津渤海化工有限责任公司天津碱厂 | Mortar mixing drum |
| CN1875118A (en) * | 2003-10-30 | 2006-12-06 | 曼海姆/奥克森富特旭德楚克股份公司 | Method for reducing the lime consumption during sugar-beet juice cleaning |
| CN202962342U (en) * | 2012-12-12 | 2013-06-05 | 天津渤海化工有限责任公司天津碱厂 | Improved preliming barrel |
| CN203291630U (en) * | 2013-05-20 | 2013-11-20 | 周政 | Practical solid-liquid separator |
| CN203886284U (en) * | 2014-06-20 | 2014-10-22 | 苏子太 | Energy-saving automatic rotation type solid-liquid separator |
-
2015
- 2015-04-16 CN CN201510178657.1A patent/CN104818347A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1875118A (en) * | 2003-10-30 | 2006-12-06 | 曼海姆/奥克森富特旭德楚克股份公司 | Method for reducing the lime consumption during sugar-beet juice cleaning |
| CN2673852Y (en) * | 2003-11-11 | 2005-01-26 | 天津渤海化工有限责任公司天津碱厂 | Mortar mixing drum |
| CN202962342U (en) * | 2012-12-12 | 2013-06-05 | 天津渤海化工有限责任公司天津碱厂 | Improved preliming barrel |
| CN203291630U (en) * | 2013-05-20 | 2013-11-20 | 周政 | Practical solid-liquid separator |
| CN203886284U (en) * | 2014-06-20 | 2014-10-22 | 苏子太 | Energy-saving automatic rotation type solid-liquid separator |
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Inventor after: Chen Qian Inventor after: Zeng Huaihai Inventor after: Wang Shulan Inventor after: Huang Zhike Inventor before: Chen Qian Inventor before: Zeng Huaihai Inventor before: Huang Zhike Inventor before: Nie Jun |
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Free format text: CORRECT: INVENTOR; FROM: CHEN QIAN CENG HUAIHAI HUANG ZHIKE NIE JUN TO: CHEN QIAN CENG HUAIHAI WANG SHULAN HUANG ZHIKE |
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Application publication date: 20150805 |
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