CN104817285A - Step-like automatic residue removal slaker - Google Patents
Step-like automatic residue removal slaker Download PDFInfo
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- CN104817285A CN104817285A CN201510178752.1A CN201510178752A CN104817285A CN 104817285 A CN104817285 A CN 104817285A CN 201510178752 A CN201510178752 A CN 201510178752A CN 104817285 A CN104817285 A CN 104817285A
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- skimming
- lime
- slaker
- ladder
- sedimentation tank
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Abstract
The invention discloses a step-like automatic residue removal slaker. The slaker comprises a roller, a feed hole, a discharge hole, a rotator, a spiral poking blade and a step-like residue remover, wherein the feed hole and the discharge hole are formed in two ends of the roller; the feed hole comprises a quick lime inlet and a clear water inlet; the spiral poking blade is arranged in the roller for stirring and conveying quick lime; the rotator is matched with a driven wheel belt on the roller to drive the roller to rotate; the step-like residue remover is arranged at the discharge hole; lime slurry is filtered by the step-like residue remover by using a step-by-step lowering step-like groove, and the vertical position of a slurry inlet is not higher than the discharge hole of the roller. The step-like automatic residue removal slaker has the advantages of high product purity, simple structure, less energy consumption and the like.
Description
Technical field
The present invention relates to a kind of sugar mill, refer to the lime slaker that the quiet process of sugarcane juice uses especially.
Background technology
Lime slaker is also lime slaking machine, lime slaking machine, limeslaker, is the lime slaking equipment for calcium carbonate, secondary calcium phosphate, is mainly used in the industries such as chemical industry, metallurgy, wastewater treatment, chemical fibre, papermaking, power plant desulfurization, sugaring, soda ash manufacture.Slaker in sugar manufacturing industry makes solid oxidation calcium become the equipment of milky calcium hydroxide with water.Lime slaker generally comprises the parts such as opening for feed, envelope, power set, waterworks, whipping appts, venting port.
Domestic patent database discloses the patented technology document of some lime slakers:
[title] a kind of lime slaker cylindrical shell, [patent No.] CN200720123100.9, [applying date] 2007.06.22, disclose a kind of lime slaker cylindrical shell, comprise shell, the two ends of shell are respectively equipped with discharge port and opening for feed, inner surface of outer cover is provided with several and pulls out leaf, the described leaf that pulls out is three spiral-line distributions, article three, three of spiral-line summit place are pulled out in 120 ° of angles between leaf, and described spiral lay is 20 °, due to the minimizing of spiral lay, thus add the length of spiral-line, extend the residence time of lime in cylindrical shell.
Impel calcium oxide slake to a certain extent, but without any impurity removing equipment, gained milk of lime slag-containing rate is very high.
In addition, the special lime slaker of [title] sugar refining technology, [patent No.] CN00259937.6, [applying date] 2000.12.23, the slake inner core of band inner cone, water seepage hole and internal screw plate is provided with in cylinder, the front end of cylinder is provided with the inner cone outside that outer cone covers in slake inner core, and tail end is provided with the deslagging tail pipe of inner wall belt deslagging spiral plate, does not need slag removal equipment direct production can obtain clean lime slurry.
Although this technology can have reduce milk of lime slag-containing rate, due to removal of impurities stage milk of lime expose in atmosphere with carbon dioxide reaction, have impact on the neutralising capacity of milk of lime; Secondly, rely on filters removal of impurities, the impurity effect of filtering order number is less than for specification little.
In sugar industry, many operations such as pre-ash, main ash, neutralization all need the milk of lime that lustration class is higher, once containing too much impurity in milk of lime, then sugarcane juice can be caused to pollute, all bring many troubles to subsequent technique process and sucrose quality control.The lime slaker of existing sugar industry, inadequate to milk of lime impurity treatment ability, the milk of lime stably provided compared with high-cleanness, high is provided.
Summary of the invention
The object of the invention is the slagging-off scarce capacity problem solving the existence of existing lime slaker, the automatic slaker that a kind of structure is simple, slagging-off ability is strong is provided.
Notch cuttype self-skimming slaker of the present invention, comprises cylinder, opening for feed, discharge port, rot and spiral and dials leaf; Described opening for feed and discharge port are arranged on cylinder two ends, and opening for feed comprises unslaked lime entrance and clear water entrance; Described spiral is dialled leaf and is arranged on drums inside, for stirring and transmitting unslaked lime; Rot coordinate on cylinder by driving wheel band, head roll overturns; Also comprise the ladder skim gate being arranged on discharge outlet; Described ladder skim gate utilizes the step groove successively declined to filter lime white, and the vertical position of its pastry mouth is not higher than the discharge port of cylinder.
Further illustrate as of the present invention, described ladder skim gate comprises pastry mouth, grout outlet, sedimentation tank, bottom, skimming plate, shell; Described pastry mouth and grout outlet are separately positioned on the upper and lower two ends of ladder skim gate; Ladder skim gate inside is provided with many places sedimentation tank, and first place's sedimentation tank is positioned at below pastry mouth, and the height of other sedimentation tank declines successively, and is communicated with each other by the cavity in ladder skim gate; Be provided with skimming plate above sedimentation tank, described skimming plate part stretches in sedimentation tank.
Most of impurity such as calcium carbonate and silicon-dioxide etc. in milk of lime, its density is different with milk of lime.Work principle of filter of the present invention is: utilize gravity to make milk of lime and impurity layering, and by parts such as skimming plates, impurity is blocked in sedimentation tank; Also by the repeat function of many places sedimentation tank, intensive filtration effect.The contaminant filter effect that the present invention is little to specification, density is large is best.
Further illustrate as of the present invention, described sedimentation tank is divided into scum silica frost district, serum district, sediment district from top to bottom, and scum silica frost district is more than grout outlet, and sediment district is below skimming plate, and serum district is between scum silica frost district and sediment district.Serum district contains milk of lime, and scum silica frost district contains the less scum silica frost of density, and sediment district contains the larger sediment of density; Described skimming plate extend into below scum silica frost district.
Skimming plate extend into below scum silica frost district and mainly plays the effect stopping scum silica frost, because scum silica frost density ratio milk of lime is little, floats over above milk of lime.When scum silica frost liquid level is higher than skimming plate base, stopped by skimming plate; When scum silica frost liquid level is lower than skimming plate base, is deposited cell wall and stops, thus good filteration is served to scum silica frost.
Further illustrate as of the present invention, the internal cavities of described ladder skim gate is filled with the gas be difficult to milk of lime generation chemical reaction; Cavity internal gas pressure is consistent with in cylinder.
Both maintenances pressure is unanimously in order to milk of lime flowing is unobstructed, prevents adverse current and the excessive situation of flow from occurring.Limiting gas property, is to prevent gas and milk of lime from reacting, affecting milk of lime quality.
Further illustrate as of the present invention, the bottom of described ladder skim gate is automatic valve, can open and close automatically valve according to lid pressure.
Further illustrate as of the present invention, described bottom comprises pressure inductor, pneumavalve and controller; Controller controls operated pneumatic valve according to the feedback signal of pressure inductor and opens and closes, and realizes deslagging and the reset of ladder skim gate.
Pressure inductor Real-Time Monitoring bottom pressure in bottom, and to controller return measurement value; When the sediment in sedimentation tank is accumulated to a certain degree, time namely bottom pressure reaches a certain preset value, control order operated pneumatic valve is opened, and carries out deslagging process; After deslagging terminates, operated pneumatic valve closes automatically.
Further illustrate as of the present invention, the shell of described ladder skim gate, its top is dismountable cover plate, and side edge thereof is provided with joint strip.
Dismountable cover plate, facilitates staff to safeguard ladder skim gate, and joint strip can effectively prevent gas leakage in cavity.
Further illustrate as of the present invention, the major parts of described rot is variable-frequency motor, can realize the rotating forward of cylinder, upset and speed change and rotate.
In lime slaking process, rotated forward by index drum, upset and speed change effectively can promote mixing of lime and clear water, raising lime utilization ratio.
Further illustrate as of the present invention, at described grout outlet place, Filter valve can also be installed.
Filter valve can as auxiliary filtration apparatus because small portion impurity neither sedimentation do not suspend again, by the booster action of Filter valve, this partial impurities can be tackled, strengthen filter effect.
Notch cuttype self-skimming slaker of the present invention compared with prior art has following progress:
1, good filtration effect of the present invention, after ladder skim gate makes milk of lime and impurity layering, then is blocked in impurity in sedimentation tank, can filters most of impurity; Again by the repeat function of many places sedimentation tank, filter effect can be made significantly to strengthen.
2, structure of the present invention is simpler, and utilize hierarchic structure to remove the gred dexterously, described ladder skim gate only comprises the parts such as pastry mouth, grout outlet, sedimentation tank, bottom, skimming plate, shell, annexation is clear, well arranged, be applicable to batch production, easy to maintenance and simple.
3, energy consumption of the present invention is low, and deslagging filtering process utilizes gravity to realize dielectric stratifying, relates to power-equipment hardly, and energy consumption is extremely low.
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 notch cuttype self-skimming slaker of the present invention.
Fig. 2 is the structural representation of ladder skim gate of the present invention.
Fig. 3 is the structural representation of sedimentation tank of the present invention.
In figure, 1-cylinder; 2-opening for feed; 3-discharge port; 4-rot; Leaf dialled by 5-spiral; 6-ladder skim gate; 601-pastry mouth; 602-grout outlet; 603-sedimentation tank; 604-bottom; 605-skimming plate; 606-shell; 607-scum silica frost district; 608-serum district; 609-sediment district.
Embodiment
See Fig. 1, notch cuttype self-skimming slaker of the present invention, be applicable to the lime slake operation in sugar industry, the equipment that can be any consumption milk of lime provides high-quality material.This machine is provided with cylinder 1, opening for feed 2, discharge port 3, rot 4 and spiral and dials leaf 5; Described opening for feed and discharge port are arranged on cylinder two ends, and opening for feed comprises unslaked lime entrance and clear water entrance; Described spiral is dialled leaf 5 and is arranged on drums inside, for stirring and transmitting unslaked lime; Rot coordinate on cylinder by driving wheel band, head roll overturns; Also comprise the ladder skim gate 6 being arranged on discharge port 3 place; Described ladder skim gate 6 utilizes the step groove successively declined to filter lime white, and the vertical position of its pastry mouth 601 is not higher than the discharge port 3 of cylinder.
See Fig. 2, described ladder skim gate 6 comprises pastry mouth 601, grout outlet 602, sedimentation tank 603, bottom 604, skimming plate 605, shell 606; Described pastry mouth 601 and grout outlet 602 are separately positioned on ladder skim gate about 6 two ends; Ladder skim gate inside is provided with three place's sedimentation tanks, and first place's sedimentation tank is positioned at below pastry mouth 601, and the height of other sedimentation tank declines successively, and is communicated with each other by the cavity in ladder skim gate; Be provided with skimming plate 605 above sedimentation tank, described skimming plate part stretches in sedimentation tank.
See Fig. 3, described sedimentation tank 603 is divided into scum silica frost district 607, serum district 608, sediment district 609 from top to bottom; Serum district contains milk of lime, and scum silica frost district contains the less scum silica frost of density, and sediment district contains the larger sediment of density; Described skimming plate 605 extend into scum silica frost district less than 607.
The internal cavities of described ladder skim gate 6 is filled with the nitrogen be difficult to milk of lime generation chemical reaction; Cavity internal gas pressure is consistent with in cylinder.The bottom 604 of described ladder skim gate 6 is automatic valve, comprises pressure inductor, pneumavalve and controller; Controller controls operated pneumatic valve according to the feedback signal of pressure inductor and opens and closes, and realizes deslagging and the reset of ladder skim gate 6.
The shell 606 of described ladder skim gate 6, its top is dismountable cover plate, and side edge thereof is provided with joint strip.The major parts of described rot 4 is variable-frequency motors, can realize the rotating forward of cylinder 1, upset and speed change and rotate, be conducive to lime and fully digest.
This equipment is also provided with Filter valve at grout outlet 602 place, strengthens filter effect.
Notch cuttype self-skimming slaker makes lime (solid oxidation calcium) become the equipment of milky calcium hydroxide with water.In actual production, at opening for feed 2 place, put into unslaked lime from lime inlet respectively, from clear water entrance input clear water; Unslaked lime and clear water mix in cylinder 1.Connect rot 4 power supply, rot by drive on cylinder 1 by driving wheel band, head roll overturns.Spiral is dialled leaf and is rotated with cylinder, and unslaked lime and clear water mixture, under the effect of leaf dialled by spiral, constantly roll, advance.Along with the dissolving gradually of unslaked lime, the impurity in unslaked lime also suspends or swims in milk of lime.When the milk of lime in cylinder 1 is accumulated to a certain degree, overflow from discharge port 3.Because the cavity internal gas pressure of ladder skim gate is consistent with in cylinder, the milk of lime of spilling enters ladder skim gate 6 by pastry mouth 601.Described cavity internal gas pressure, can connect cavity with nitrogen pump, coordinates air pressure valve to adjust.
Slag removal: milk of lime falls under gravity into first place's sedimentation tank 603, thereafter, the scum silica frost that in milk of lime, most of density is less swims in scum silica frost district 607, and heavier sediment is deposited on sediment district 609, and milk of lime is then positioned at middle serum district 608.Then, scum silica frost is stoped forward by skimming plate 605, and sediment stays bottom land, and milk of lime then continues to flow to next sedimentation tank, reaches filtration object; So, milk of lime through the filtration of second, third place's sedimentation tank 603, can remove the impurity of in milk of lime 90% again.Finally, quiet milk of lime is sent to miscellaneous equipment through grout outlet 602.
Pressure inductor Real-Time Monitoring bottom pressure in bottom 604, and to controller return measurement value; When the sediment in sedimentation tank 603 is accumulated to a certain degree time, control order operated pneumatic valve is opened, and carries out deslagging process; After deslagging terminates, operated pneumatic valve closes automatically, and sedimentation tank 603 restPoses, and can continue to filter milk of lime.
Ladder skim gate of the present invention makes milk of lime and impurity layering, and impurity is blocked in sedimentation tank, then strengthens filter effect by the repeat function of many places sedimentation tank.Wherein, single filter can remove 60% impurity in milk of lime, and cascade filtration can remove 80% impurity, and three-stage filtration can remove 90% impurity, and after Filter valve strengthens filtration, removal of impurity can reach more than 98%.Therefore, its clean level of milk of lime that notch cuttype self-skimming slaker of the present invention is produced exceedes the class requirement of sugar industry.
Claims (9)
1. a notch cuttype self-skimming slaker, comprises cylinder (1), opening for feed (2), discharge port (3), rot (4) and spiral and dials leaf (5); Described opening for feed and discharge port are arranged on cylinder two ends, and opening for feed comprises unslaked lime entrance and clear water entrance; Described spiral is dialled leaf (5) and is arranged on drums inside, for stirring and transmitting unslaked lime; Rot coordinate on cylinder by driving wheel band, head roll overturns; It is characterized in that: also comprise the ladder skim gate (6) being arranged on discharge port (3) place; The step groove that described ladder skim gate (6) utilization successively declines filters lime white, and the vertical position of its pastry mouth (601) is not higher than the discharge port (3) of cylinder.
2. notch cuttype self-skimming slaker according to claim 1, is characterized in that: described ladder skim gate (6) comprises pastry mouth (601), grout outlet (602), sedimentation tank (603), bottom (604), skimming plate (605), shell (606); Described pastry mouth (601) and grout outlet (602) are separately positioned on ladder skim gate (6) two ends up and down; Ladder skim gate inside is provided with many places sedimentation tank, and first place's sedimentation tank is positioned at pastry mouth (601) below, and the height of other sedimentation tank declines successively, and is communicated with each other by the cavity in ladder skim gate; Be provided with skimming plate (605) above sedimentation tank, described skimming plate part stretches in sedimentation tank.
3. notch cuttype self-skimming slaker according to claim 2, is characterized in that: described sedimentation tank (603) is divided into scum silica frost district (607), serum district (608), sediment district (609) from top to bottom; Serum district contains milk of lime, and scum silica frost district contains the less scum silica frost of density, and sediment district contains the larger sediment of density; Described skimming plate (605) extend into scum silica frost district (607) below.
4. according to the arbitrary described notch cuttype self-skimming slaker of claim 1-3, it is characterized in that: the internal cavities of described ladder skim gate (6) is filled with the gas be difficult to milk of lime generation chemical reaction; Cavity internal gas pressure is consistent with in cylinder.
5. notch cuttype self-skimming slaker according to claim 4, is characterized in that: the bottom (604) of described ladder skim gate (6) is automatic valve, can open and close automatically valve according to lid pressure.
6. notch cuttype self-skimming slaker according to claim 5, is characterized in that: described bottom (604) comprises pressure inductor, pneumavalve and controller; Controller controls operated pneumatic valve according to the feedback signal of pressure inductor and opens and closes, and realizes deslagging and the reset of ladder skim gate (6).
7. notch cuttype self-skimming slaker according to claim 6, is characterized in that: the shell (606) of described ladder skim gate (6), its top is dismountable cover plate, and side edge thereof is provided with joint strip.
8. notch cuttype self-skimming slaker according to claim 7, is characterized in that: the major parts of described rot (4) is variable-frequency motor, can realize the rotating forward of cylinder (1), upset and speed change and rotate.
9. notch cuttype self-skimming slaker according to claim 8, is characterized in that: described grout outlet (602) place is provided with Filter valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178752.1A CN104817285A (en) | 2015-04-16 | 2015-04-16 | Step-like automatic residue removal slaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178752.1A CN104817285A (en) | 2015-04-16 | 2015-04-16 | Step-like automatic residue removal slaker |
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| CN104817285A true CN104817285A (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510178752.1A Pending CN104817285A (en) | 2015-04-16 | 2015-04-16 | Step-like automatic residue removal slaker |
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|---|---|
| CN (1) | CN104817285A (en) |
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2015
- 2015-04-16 CN CN201510178752.1A patent/CN104817285A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 华南工学院等合编: "《糖厂技术装备》", 30 April 1986 * |
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| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
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 |
Application publication date: 20150805 |
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| WD01 | Invention patent application deemed withdrawn after publication |