CN104817284A - Quicklime slaker with residue filtering barrel - Google Patents
Quicklime slaker with residue filtering barrel Download PDFInfo
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- CN104817284A CN104817284A CN201510178366.2A CN201510178366A CN104817284A CN 104817284 A CN104817284 A CN 104817284A CN 201510178366 A CN201510178366 A CN 201510178366A CN 104817284 A CN104817284 A CN 104817284A
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- residue
- filtering barrel
- lime
- slaker
- unslaked lime
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Abstract
The invention discloses a quicklime slaker with a residue filtering barrel. The quicklime slaker comprises a roller, a feeding port, a discharging port, a rotator, spiral poking blades and the residue filtering barrel, the feeding port and the discharging port are formed in two ends of the roller, the feeding port comprises a quicklime inlet and a clear water inlet, the spiral poking blades are arranged in the roller and used for mixing and conveying quicklime, the rotator is matched with a driven pulley belt on the roller to drive the roller to turn over, the residue filtering barrel is used for filtering impurities, the top of the residue filtering barrel is communicated with the discharging port of the slaker, a residue retaining plate is arranged in the residue filtering barrel, the inner space of the residue filtering barrel is divided into a left chamber and a right chamber by the residue retaining plate, the middle and lower portions of the left chamber and the right chamber are communicated, and a slurry outlet is formed in the middle and upper portion of the left chamber. The quicklime slaker with the residue filtering barrel has the advantages of high product purity, simple structure, low 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.
With a unslaked lime slaker for residue-filtering barrel, comprise cylinder, opening for feed, discharge port, rot and spiral and dial 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 residue-filtering barrel for impurity screening; Described residue-filtering barrel top is communicated with the discharge port of slaker; Skimming plate is provided with, two, the left and right chamber that skimming plate is divided into middle and lower part to be communicated with in space in bucket in residue-filtering barrel; In left chamber, top is provided with grout outlet.
Most of impurity such as calcium carbonate and silicon-dioxide etc. in milk of lime, its density and milk of lime are different.Work principle of filter of the present invention is such: owing to having skimming plate in staving, after milk of lime enters residue-filtering barrel, bottom the necessary approach residue-filtering barrel of milk of lime, then up moves, then flows out from grout outlet; In flow process, the large impurity of density ratio milk of lime is at the bottom of being deposited in barrel, and the impurity that density ratio milk of lime is little swims in right chamber upper strata, therefore only has milk of lime to flow out by grout outlet, reaches the object of flow filtration.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 residue-filtering barrel comprises pastry mouth, grout outlet, cavity, bottom, skimming plate, shell; Described pastry mouth is arranged on the right of staving top; Described cavity is divided into scum silica frost district, serum district, sediment district from top to bottom; 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 grout outlet.
Skimming plate extend into below grout outlet and mainly plays the effect stopping scum silica frost, because scum silica frost density ratio milk of lime is little, can only float 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 stopped by bucket wall, thus good filteration is served to scum silica frost.
Further illustrate as of the present invention, described grout outlet place is provided with Filter valve.
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.
Further illustrate as of the present invention, described residue-filtering barrel top is open type, in bucket, liquid level is coated with the oiliness sealing membrane that one deck does not react with milk of lime.
Oiliness sealing membrane can prevent the carbonic acid gas generation chemical reaction in milk of lime and air, ensures milk of lime quality, is also conducive to the shelf time extending milk of lime.
Further illustrate as of the present invention, the bottom of described residue-filtering barrel 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 residue-filtering barrel.
Pressure inductor Real-Time Monitoring bottom pressure in bottom, and to controller return measurement value; When the sediment in cavity is accumulated to a certain degree, time namely bottom force value reaches a certain preset value, control order operated pneumatic valve is opened, and carries out deslagging process; After bottom force value drops to another preset value, operated pneumatic valve closes automatically.The force value opening and closing operated pneumatic valve corresponding respectively needs manually to preset.
Further illustrate as of the present invention, bucket wall place corresponding bottom described residue-filtering barrel serum district is also provided with grout outlet, and this place's grout outlet is used in the plasma discharge of Discontinuous manufacture process.
The unslaked lime slaker of band residue-filtering barrel of the present invention, both may be used for continuous seepage milk of lime, also may be used for Discontinuous manufacture milk of lime.In continuous flow procedure, adopt aforesaid flow filtration mode; In Discontinuous manufacture process, residue-filtering barrel then serves as hold-up vessel, first makes milk of lime leave standstill AUTOMATIC ZONING after for some time, then opens bottom and discharges sediment, derives milk of lime again when finally needing to use from grout outlet below.
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.
The unslaked lime slaker of band residue-filtering barrel of the present invention compared with prior art has following progress:
1, good filtration effect of the present invention, the U-shaped structure of residue-filtering barrel is utilized to remove the gred dexterously, in flow process, the large impurity of density ratio milk of lime is at the bottom of being deposited in barrel, the impurity that density ratio milk of lime is little swims in right chamber upper strata, add the aided filter effect of Filter valve, good filter effect can be obtained.
2, structure of the present invention is simpler, and described residue-filtering barrel only comprises the parts such as pastry mouth, grout outlet, cavity, bottom, skimming plate, shell, and annexation is clear, well arranged, is 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.
4, flexible working mode, possesses continuous filtration and discontinuous filtration two kinds of filter types, is applicable to wider.
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 unslaked lime slaker of band residue-filtering barrel of the present invention.
Fig. 2 is the structural representation of residue-filtering barrel of the present invention.
In figure, 1-cylinder; 2-opening for feed; 3-discharge port; 4-rot; Leaf dialled by 5-spiral; 6-residue-filtering barrel; 601-pastry mouth; 602-grout outlet; 603-cavity; 604-bottom; 605-skimming plate; 606-shell; 607-scum silica frost district; 608-serum district; 609-sediment district; 610-oiliness sealing membrane.
Embodiment
See Fig. 1, the unslaked lime slaker of band residue-filtering barrel of the present invention, 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; Also comprise the residue-filtering barrel 6 for impurity screening; Described residue-filtering barrel top is communicated with the discharge port 3 of slaker; Skimming plate 605 is provided with, two, the left and right chamber that skimming plate is divided into middle and lower part to be communicated with in space in bucket in residue-filtering barrel 6; In left chamber, top is provided with grout outlet 602; Milk of lime flows into from pastry mouth 601, bottom approach residue-filtering barrel, then up moves, then flows out from grout outlet 602.
See Fig. 2, described residue-filtering barrel 6 comprises pastry mouth 601, grout outlet 602, cavity 603, bottom 604, skimming plate 605, shell 606; Described pastry mouth 601 is arranged on the right of staving top; Described cavity 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 grout outlet less than 602.
This equipment is also provided with Filter valve at grout outlet 602 place, strengthens filter effect.Described residue-filtering barrel 6 top is open type, in bucket, liquid level is coated with the oiliness sealing membrane 610 that one deck does not react with milk of lime.The bottom 604 of described residue-filtering barrel 6 is automatic valve, can open and close automatically valve according to lid pressure.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 residue-filtering barrel 6.Bucket wall place corresponding bottom the serum district 608 of described residue-filtering barrel 6 is also provided with grout outlet 602, and this place's grout outlet 602 is used in the plasma discharge of Discontinuous manufacture process.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.
This equipment makes lime (solid oxidation calcium) become milky calcium hydroxide with water.In actual production, at place of opening for feed place 2, 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 residue-filtering barrel is consistent with in cylinder, the milk of lime of spilling enters residue-filtering barrel 6 by pastry mouth 601.
Slag removal: after milk of lime enters residue-filtering barrel 6, what walk is U-shaped route---bottom milk of lime approach residue-filtering barrel, then up move, then flow out from grout outlet.In flow process, because density is different, the scum silica frost that most of density is less swims in scum silica frost district 607, heavier sediment is deposited on sediment district 609, and milk of lime is then positioned at middle serum district 608, forms obvious layering, 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 cavity 603 is accumulated to a certain degree time, bottom pressure reaches preset value, and control order operated pneumatic valve is opened, and carries out deslagging process; After deslagging terminates, operated pneumatic valve closes automatically, and cavity 603 restPoses, and can continue to filter milk of lime.
The present invention utilizes the U-shaped structure of residue-filtering barrel to remove the gred: in continuous flow procedure, and milk of lime is after U-shaped cavity, and impurities removing efficiency can reach 75%, and through the aided filter effect of Filter valve, impurities removing efficiency can reach more than 85%; In Discontinuous manufacture process, milk of lime is after U-shaped cavity, and because residue-filtering barrel has stratification effect, impurities removing efficiency can reach more than 90%, and through the aided filter effect of Filter valve, impurities removing efficiency can reach more than 95%.Therefore, its clean level of milk of lime of this device fabrication exceedes the class requirement of sugar industry.
Claims (8)
1. the unslaked lime slaker with residue-filtering barrel, 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 residue-filtering barrel (6) for impurity screening; Described residue-filtering barrel top is communicated with the discharge port (3) of slaker; Skimming plate (605) is provided with, two, the left and right chamber that skimming plate is divided into middle and lower part to be communicated with in space in bucket in residue-filtering barrel (6); In left chamber, top is provided with grout outlet (602); Milk of lime flows into from pastry mouth (601), bottom approach residue-filtering barrel, then up moves, then flows out from grout outlet (602).
2. the unslaked lime slaker of band residue-filtering barrel according to claim 1, is characterized in that: described residue-filtering barrel (6) comprises pastry mouth (601), grout outlet (602), cavity (603), bottom (604), skimming plate (605), shell (606); Described pastry mouth (601) is arranged on the right of staving top; Described cavity (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 grout outlet (602) below.
3. the unslaked lime slaker of band residue-filtering barrel according to claim 2, is characterized in that: described grout outlet (602) place is provided with Filter valve.
4., according to the unslaked lime slaker of the arbitrary described band residue-filtering barrel of claim 1-3, it is characterized in that: described residue-filtering barrel (6) top is open type, in bucket, liquid level is coated with the oiliness sealing membrane (610) that one deck does not react with milk of lime.
5. the unslaked lime slaker of band residue-filtering barrel according to claim 4, is characterized in that: the bottom (604) of described residue-filtering barrel (6) is automatic valve, can open and close automatically valve according to lid pressure.
6. the unslaked lime slaker of band residue-filtering barrel 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 residue-filtering barrel (6).
7. the unslaked lime slaker of band residue-filtering barrel according to claim 7, it is characterized in that: the bucket wall place that the bottom, serum district (608) of described residue-filtering barrel (6) is corresponding is also provided with grout outlet (602), and this place's grout outlet (602) is used in the plasma discharge of Discontinuous manufacture process.
8. the unslaked lime slaker of band residue-filtering barrel according to claim 8, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178366.2A CN104817284A (en) | 2015-04-16 | 2015-04-16 | Quicklime slaker with residue filtering barrel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178366.2A CN104817284A (en) | 2015-04-16 | 2015-04-16 | Quicklime slaker with residue filtering barrel |
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| Publication Number | Publication Date |
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| CN104817284A true CN104817284A (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510178366.2A Pending CN104817284A (en) | 2015-04-16 | 2015-04-16 | Quicklime slaker with residue filtering barrel |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1464722A (en) * | 1920-01-17 | 1923-08-14 | Miscampbell Hugh | Lime-hydrating apparatus |
| CN2224203Y (en) * | 1993-08-09 | 1996-04-10 | 刘银江 | Channel-type revolving-stirring ash dissolving machine |
| CN103011626A (en) * | 2011-09-22 | 2013-04-03 | 沈阳铝镁设计研究院有限公司 | Vertical lime-dispersion machine with automatic slag-removing function |
| CN204644183U (en) * | 2015-04-16 | 2015-09-16 | 南宁易速德机械设备有限公司 | A kind of unslaked lime slaker with residue-filtering barrel |
-
2015
- 2015-04-16 CN CN201510178366.2A patent/CN104817284A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1464722A (en) * | 1920-01-17 | 1923-08-14 | Miscampbell Hugh | Lime-hydrating apparatus |
| CN2224203Y (en) * | 1993-08-09 | 1996-04-10 | 刘银江 | Channel-type revolving-stirring ash dissolving machine |
| CN103011626A (en) * | 2011-09-22 | 2013-04-03 | 沈阳铝镁设计研究院有限公司 | Vertical lime-dispersion machine with automatic slag-removing function |
| CN204644183U (en) * | 2015-04-16 | 2015-09-16 | 南宁易速德机械设备有限公司 | A kind of unslaked lime slaker with residue-filtering barrel |
Non-Patent Citations (1)
| Title |
|---|
| 华南工学院等合编: "《糖厂技术装备》", 30 April 1986, 轻工业出版社 * |
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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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