CN104805223A - Automatic solid-liquid separation prelimer - Google Patents
Automatic solid-liquid separation prelimer Download PDFInfo
- Publication number
- CN104805223A CN104805223A CN201510178656.7A CN201510178656A CN104805223A CN 104805223 A CN104805223 A CN 104805223A CN 201510178656 A CN201510178656 A CN 201510178656A CN 104805223 A CN104805223 A CN 104805223A
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- Prior art keywords
- chamber
- liquid separation
- screen frame
- separation
- automatic solid
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Classifications
-
- 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
-
- 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
- C13B20/04—Purification of sugar juices using alkaline earth metal compounds followed by saturation
- C13B20/06—Purification of sugar juices using alkaline earth metal compounds followed by saturation with carbon dioxide or sulfur dioxide
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses an automatic solid-liquid separation prelimer. The automatic solid-liquid separation prelimer comprises a barrel body as well as a stirrer, a cane juice inlet and a lime milk inlet which are arranged on the barrel body, wherein the barrel body is divided into four parts, namely, a reaction chamber, a flocculation chamber, a filtering chamber and a separation liquid chamber; a channel port with a valve is formed in a partition board between every two adjacent chambers; a filtering net frame used for filtering out flocculation is arranged on the channel port between the filtering chamber and the separation liquid chamber and can freely rotate around a supporting shaft; the bottom of the filtering chamber is inclined from the middle to flocculation discharge ports in two sides of the barrel body. The automatic solid-liquid separation prelimer has the characteristics of low energy consumption, simple structure and convenience in operation.
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, a kind of low, that structure is simple, easy to operate automatic solid-liquid separation preliming tank that consumes energy is provided.
Automatic solid-liquid separation preliming tank of the present invention, comprises staving and is arranged on agitator, sugarcane juice entrance, the milk of lime entrance on staving; Described staving is divided into reaction chamber, flocculating chamber, filtration chamber and separation liquid tank four parts, the dividing plate between each chamber has the porthole of band valve; Porthole between filtration chamber and separation liquid tank installs the filtration screen frame for filtering flocculation material, described filtration screen frame can rotate freely around back shaft; Tilted by the flocculation material discharge outlet of centre to staving both sides bottom filtration chamber.
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 bottom filtration chamber; 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 not contact channels mouth edge, and its rotation axis is positioned at above porthole.
Filtering screen frame not contact channels mouth edge, is to ensure that filtering screen frame does not retrain by porthole, rotates freely.And the position of rotation axis, flocculation material can be made to turn to this position with after lower area with screen frame, drop in filtration chamber owing to losing the supporting role of screen frame.
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 rotation by motor; 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 first calculates corresponding rotation strategy according to pressure data, then drives filtration screen frame to rotate by motor.
The effect of variable-frequency motor adjusts the speed of rotation of filtering screen frame according to predefecation juice flow velocity, 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 speed of rotation 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, the dividing plate between described reaction chamber and flocculating chamber is back taper; Dividing plate between described flocculating chamber and filtration chamber is positive taper.
Above bucket body structure, makes untreated juice fully react in reaction chamber, and the pre-grey juice terminated stops in flocculating chamber, 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; 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.
Automatic solid-liquid separation preliming tank 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 rotation, 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.
4, equipment for separating liquid from solid is arranged on staving inside, takes up room little, is convenient to transport and installs.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the front view of the automatic solid-liquid separation preliming tank of the present invention.
Fig. 2 is the left side view of the automatic solid-liquid separation preliming tank of the present invention.
In figure, 1-staving; 101-reaction chamber; 102-flocculating chamber; 103-filtration chamber; 104-separation liquid tank; 2-agitator; 3-sugarcane juice entrance; 4-milk of lime entrance; 5-porthole; 6-motor; 7-filter screen frame.
Embodiment
See Fig. 1 and Fig. 2 automatic solid-liquid separation preliming tank of the present invention, the agitator 2, sugarcane juice entrance 3, the milk of lime entrance 4 that comprise staving 1 and be arranged on staving; Described staving 1 is divided into reaction chamber 101, flocculating chamber 102, filtration chamber 103 and separation liquid tank 104 4 parts, the dividing plate between each chamber has the porthole 5 of band valve; Porthole between filtration chamber 103 and separation liquid tank 104 installs the filtration screen frame for filtering flocculation material, described filtration screen frame can rotate freely around back shaft; Tilted by the flocculation material discharge outlet of centre to staving both sides bottom filtration chamber.
Described filtration screen frame not contact channels mouth edge, and its rotation axis is positioned at above porthole.
One end back shaft of described filtration screen frame 7 is connected with motor, is driven filter screen frame rotation by motor; Described motor 6 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 first calculates corresponding rotation strategy according to pressure data, then drives filtration screen frame 7 to rotate by motor.
Described separation liquid tank 104 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.The bottom land of described separation liquid tank 104 tilts to output channel direction, and angle of inclination is 5-10 °.Dividing plate between described reaction chamber 101 and flocculating chamber 102 is back taper; Dividing plate between described flocculating chamber 102 and filtration chamber 103 is positive taper.Described agitator 2 quantity is 2 or 4 or 6 or 8, is symmetrically arranged in the reaction chamber 101 of staving 1; Described agitator is spiral stirrer.Described filtration screen frame 7 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.
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 flocculating chamber 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 in filtration chamber; Predefecation juice is then direct through grid, enters 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 6 can also adjust the speed of rotation of filtering screen frame according to the flow velocity of predefecation juice, prevents flocculation material from accumulating on screen frame.After solid-liquid separation, predefecation juice enters separation liquid tank 104, then enters next sugar industry operation by output channel.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 15%-20% of follow-up cleaning technique can be saved, carry sugarcane juice clean level 3-8%.
Preliming tank of the present invention is also arranged on preliming tank inside filter mechanism especially, facilitates transport and the installation of equipment, alleviates amount of user effort.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 (8)
1. an automatic solid-liquid separation preliming tank, comprises staving (1) and is arranged on agitator (2), sugarcane juice entrance (3), the milk of lime entrance (4) on staving; It is characterized in that: described staving (1) is divided into reaction chamber (101), flocculating chamber (102), filtration chamber (103) and separation liquid tank (104) four parts, the dividing plate between each chamber has the porthole (5) of band valve; Porthole between filtration chamber (103) and separation liquid tank (104) installs the filtration screen frame for filtering flocculation material, described filtration screen frame can rotate freely around back shaft; Tilted by the flocculation material discharge outlet of centre to staving both sides bottom filtration chamber.
2. require described automatic solid-liquid separation preliming tank according to right 1, it is characterized in that: described filtration screen frame not contact channels mouth edge, and its rotation axis is positioned at above porthole.
3. automatic solid-liquid separation preliming tank according to claim 2, is characterized in that: one end back shaft of described filtration screen frame (7) is connected with motor, is driven filter screen frame rotation by motor; Described motor (6) 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 first calculates corresponding rotation strategy according to pressure data, then drives filtration screen frame (7) to rotate by motor.
4. according to the arbitrary described automatic solid-liquid separation preliming tank of claim 1-3, it is characterized in that: described separation liquid tank (104) 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.
5. automatic solid-liquid separation preliming tank according to claim 4, is characterized in that: the bottom land of described separation liquid tank (104) tilts to output channel direction, and angle of inclination is 5-10 °.
6. automatic solid-liquid separation preliming tank according to claim 5, is characterized in that: the dividing plate between described reaction chamber (101) and flocculating chamber (102) is back taper; Dividing plate between described flocculating chamber (102) and filtration chamber (103) is positive taper.
7. automatic solid-liquid separation preliming tank according to claim 6, is characterized in that: described agitator (2) quantity is 2 or 4 or 6 or 8, is symmetrically arranged in the reaction chamber (101) of staving (1); Described agitator is spiral stirrer.
8. automatic solid-liquid separation preliming tank according to claim 7, is characterized in that: described filtration screen frame (7) 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510178656.7A CN104805223A (en) | 2015-04-16 | 2015-04-16 | Automatic solid-liquid separation prelimer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178656.7A CN104805223A (en) | 2015-04-16 | 2015-04-16 | Automatic solid-liquid separation prelimer |
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| CN104805223A true CN104805223A (en) | 2015-07-29 |
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| CN201510178656.7A Pending CN104805223A (en) | 2015-04-16 | 2015-04-16 | Automatic solid-liquid separation prelimer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690779A (en) * | 2020-07-24 | 2020-09-22 | 广西飞鹏节能环保科技有限公司 | Device for removing sucrose starch and acidic flocculate |
| CN112081925A (en) * | 2020-08-28 | 2020-12-15 | 连云港碱业有限公司 | Sealing method for pre-ash barrel |
| CN112573543A (en) * | 2020-11-18 | 2021-03-30 | 安徽德邦化工有限公司 | Ammonia-soda process soda production process optimization system based on material balance |
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| CN204644375U (en) * | 2015-04-16 | 2015-09-16 | 南宁易速德机械设备有限公司 | A kind of solid-liquid separation preliming tank automatically |
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| CN2770752Y (en) * | 2004-11-23 | 2006-04-12 | 江河海 | Expanded metal rotary drum vacuum filtering machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690779A (en) * | 2020-07-24 | 2020-09-22 | 广西飞鹏节能环保科技有限公司 | Device for removing sucrose starch and acidic flocculate |
| CN112081925A (en) * | 2020-08-28 | 2020-12-15 | 连云港碱业有限公司 | Sealing method for pre-ash barrel |
| CN112081925B (en) * | 2020-08-28 | 2022-05-13 | 连云港碱业有限公司 | Sealing method for pre-ash barrel |
| CN112573543A (en) * | 2020-11-18 | 2021-03-30 | 安徽德邦化工有限公司 | Ammonia-soda process soda production process optimization system based on material balance |
| CN112573543B (en) * | 2020-11-18 | 2022-12-09 | 安徽德邦化工有限公司 | Ammonia-soda process soda ash production process optimization system based on material balance |
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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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| COR | Change of bibliographic data |
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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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150729 |