CN205528455U - Industrial grade calcium hydrate production facility - Google Patents
Industrial grade calcium hydrate production facility Download PDFInfo
- Publication number
- CN205528455U CN205528455U CN201620314788.8U CN201620314788U CN205528455U CN 205528455 U CN205528455 U CN 205528455U CN 201620314788 U CN201620314788 U CN 201620314788U CN 205528455 U CN205528455 U CN 205528455U
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- Prior art keywords
- carbide slag
- storehouse
- disintegration cabin
- calcium hydroxide
- grade calcium
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Abstract
The utility model relates to an industrial grade calcium hydrate production facility, including carbide slag storehouse, lime storehouse, feed screw reamer, double -shaft mixer and clear up the storehouse, carbide slag storehouse and lime storehouse respectively with feed screw reamer intercommunication, the export of feed screw reamer and double -shaft mixer's double -shaft mixer feed inlet intercommunication, double -shaft mixer's double -shaft mixer discharge gate with clear up the storehouse intercommunication, clear up the storehouse lower part and be provided with the discharge gate, clear up the sealed setting in storehouse. The utility model discloses an industrial grade calcium hydrate production facility has changed traditional calcium hydrate's production technology, utilizes large industrial waste carbide slag, adds the calcium oxide and mixes the stirring, the process such as clears up through clearing up the storehouse again, has formed brand -new manufacture level ca (an OH's) 2 production technology, can the low cost utilize the carbide slag in a large number, wide application in projects such as power plant's desulfurization, and china to as the big carbide producing country of the first in the world has special significance.
Description
Technical field
This utility model relates to a kind of technical grade calcium hydroxide production device, belongs to chemical machinery technical field.
Background technology
The production technology of tradition calcium hydroxide is with high-grade limestone CaC03Through high-temperature calcination, resolve into calcium oxide Ca0 and calcium dioxide CO2, calcium oxide CaO adds water H20 generates Ca (OH)2, after drying, become technical grade calcium hydroxide.This technique is complex, needs through several operations such as calcining, aquation, drying, and equipment investment is bigger, and production cost is higher, and is restricted by producing apparatus, and production capacity is also very limited.
Carbide slag main component is exactly Ca (OH)2, as the trade waste of production carbide, carbide slag just can become the Ca (OH) of technical grade after drying2.Carbide slag just moisture content is the highest, typically 35%～40%, and technical grade Ca (OH)2Moisture content typically requires below 1%.The carbide slag of 1t moisture content 35% is dried it is necessary to evaporate moisture content 350kg completely, and only evaporation 1kg moisture content is accomplished by 539kcal heat, dry waste gas amount of heat to be taken away, it is necessary to installing large-scale cleaner, investment in fixed assets is big simultaneously, unit power consumption is the highest, so the cost that carbide slag is dried is the highest.
Utility model content
The technical problems to be solved in the utility model is, not enough for prior art, proposes a kind of technical grade calcium hydroxide production device utilizing large industrial waste carbide slag to produce technical grade calcium hydroxide.
This utility model is that the technical scheme solving the proposition of above-mentioned technical problem is: a kind of technical grade calcium hydroxide production device, including carbide slag storehouse, lime silo, feed auger reamer, biaxial rneader and disintegration cabin, carbide slag storehouse connects with feed auger reamer respectively with lime silo, the outlet of feed auger reamer connects with the Double shaft stirring machine inlet of biaxial rneader, the biaxial rneader discharging opening of biaxial rneader connects with disintegration cabin, disintegration cabin bottom is provided with discharging opening, and disintegration cabin seals and arranges.
The improvement of technique scheme is: be respectively arranged with spiral electron weighing balance between carbide slag storehouse and lime silo and feed auger reamer, carbide slag storehouse is connected with spiral electron weighing balance by the first connecting hose respectively with lime silo, and spiral electron weighing balance is connected with feed auger reamer by the second connecting hose.
The improvement of technique scheme is: be separately installed with one-way spiral valve between carbide slag storehouse and lime silo and the first connecting hose.
The improvement of technique scheme is: middle part is provided with central canal in disintegration cabin, and central canal is arranged from top to bottom along the axis of disintegration cabin, central canal upper end closed and be provided with tapered protrusion.
The improvement of technique scheme is: the inside of disintegration cabin is additionally provided with multiple annular homogenizing device, and annular homogenizing device is looped around around central canal and is spaced from top to bottom setting, and the cross section of annular homogenizing device is arrow shaped, and arrow is straight up.
The improvement of technique scheme is: disintegration cabin is tubular, is provided with cone end socket below disintegration cabin.
The improvement of technique scheme is: discharging opening is arranged on cone end socket lower end.
The improvement of technique scheme is: the side wall upper part of disintegration cabin is provided with discharge pipe, and the lower sidewall of disintegration cabin is provided with blast pipe.
The improvement of technique scheme is: the outer wall of disintegration cabin is double-decker.
The production technology of technical grade calcium hydroxide production device of the present utility model, comprises the following steps:
(i) select materials: select moisture content about 35% carbide slag, Calx grade requirement CaO is more than 88%；
(ii) dispensing: carbide slag and Calx are separately added into carbide slag storehouse and lime silo, the mass ratio controlling carbide slag and Calx is 2:1；
(iii) blanking: the material in described carbide slag storehouse and lime silo is respectively fed to described feed auger reamer；
(iv) conveying: the mixed material in described feed auger reamer sends into biaxial rneader through Double shaft stirring machine inlet；
(v) stirring: mixed material is stirred in biaxial rneader, controlling biaxial rneader rotating speed during stirring is 35rpm～40rpm, and control mixed material time of staying in blender is 25～35 minutes；
(vi) reaction: step (v) in stir by biaxial rneader after mixed material send into disintegration cabin from biaxial rneader discharging opening and fully clear up, be passed through hot blast from the blast pipe of disintegration cabin when clearing up, control digestion time is 24～36 hours；
(vii) discharging: the technical grade calcium hydroxide produced after fully reaction in the disintegration cabin discharging opening discharging by disintegration cabin；
(viii) storage: send into storage reservoir after the technical grade calcium hydroxide discharging of production.
This utility model uses technique scheme to provide the benefit that: (1) technical grade of the present utility model calcium hydroxide production device changes tradition calcium hydroxide Ca (OH)2Production technology, utilize large industrial waste carbide slag, add calcium oxide CaO mix and blend, then the operation such as clear up through disintegration cabin, define a kind of brand-new production technical grade Ca (OH)2Production technology；(2) carbide slag is the most local in China, particularly the Northwest, a large amount of air storages, cause very large resource and ambient pressure, this utility model energy low cost utilizes carbide slag in a large number, it is widely used in the projects such as power plant desulfurization, to the China as the first in the world big carbide manufacturing country, there is particular importance meaning；(3) with carbide slag as raw material, adding a certain proportion of calcium oxide CaO, be commonly called as Calx, be sufficiently stirred for, uniformly mix, in the process, calcium oxide CaO absorbs the moisture content H in carbide slag20 becomes Ca (OH)2, meanwhile, release substantial amounts of heat, chemical equation is as follows: CaO+H20=Ca (OH)2+ heat；Through measuring and calculating, 1t Calx can absorb 357.14kg moisture content；Meanwhile, 277kcal heat is discharged；Therefore, while moisture content in Calx absorbs carbide slag, the heat produced is additionally operable to heat carbide slag, absorb and heating is carried out simultaneously, remove the speed of moisture content in carbide slag substantially to accelerate, not only greatly reduce the cost utilizing carbide slag to produce technical grade calcium hydroxide, also significantly improve the production efficiency of technical grade calcium hydroxide；(4) owing to being respectively arranged with spiral electron weighing balance between carbide slag storehouse and lime silo and feed auger reamer, raw material can be carried out accurate measurement, it is ensured that reaction accurate, thoroughly and fully；(5) owing to being separately installed with one-way spiral valve between carbide slag storehouse and lime silo and the first connecting hose, operator can be facilitated effectively to control the flow of raw material, facilitate the weighing of spiral electron weighing balance, thus ensure that the accurate proportioning of raw material；(6) in the middle part of in disintegration cabin, it is provided with central canal, central canal upper end closed and be provided with tapered protrusion, and the inside of disintegration cabin is additionally provided with multiple annular homogenizing device, annular homogenizing device is looped around around central canal and is spaced setting from top to bottom, the cross section of annular homogenizing device is arrow shaped, and arrow is straight up；Central canal can will carry out dispersed from the mixed material sent into, by central canal and the mating reaction of annular homogenizing device, ensure that carbide slag and Calx can be uniformly distributed, there is not segregation phenomenon, mixed material is slowly moved down from top to bottom smoothly, carbide slag and Calx carry out sufficient physical-chemical reaction in the process, ensure that the quality of the technical grade calcium hydroxide of final production, the deadweight of the fully utilized mixed material of disintegration cabin, need not extra power, dispersion homo-effect is good, constant product quality；(7) owing to being provided with cone end socket below disintegration cabin, it is ensured that the sealing property of disintegration cabin；(8) time due to production craft step (i) middle dispensing, the mass ratio controlling carbide slag and Calx is 2:1, accurate measurement is carried out further through spiral electron metering when carbide slag storehouse and lime silo blanking, making in production process the mixed material in from start to finish disintegration cabin is all accurate proportioning, thus further ensure that the accurate, thoroughly and fully of reaction；(9) side wall upper part of disintegration cabin is provided with discharge pipe, the lower sidewall of disintegration cabin is provided with blast pipe, when material entrance disintegration cabin is cleared up, it is passed through hot blast, can be that material heats, it is ensured that the temperature in disintegration cabin is higher, improve reaction rate, hot blast takes away moisture content when discharge pipe is gone out simultaneously so that drying effect is more preferable, improves end product quality；(10) it is double-decker due to the outer wall of disintegration cabin, hot blast or hot water can be led between the two-layer housing of disintegration cabin to heat disintegration cabin, provide stable thermal environment for the production technology of the present invention, it is ensured that clear up fully carrying out of reaction.
Accompanying drawing explanation
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of this utility model embodiment technical grade calcium hydroxide production device；
Wherein: 1-carbide slag storehouse；2-lime silo；3-one-way spiral valve；4-the first connecting hose；5-spiral electron weighing balance；6-the second connecting hose；7-feed auger reamer；8-Double shaft stirring machine inlet；9-biaxial rneader；10-biaxial rneader discharging opening；11-central canal；12-annular homogenizing device；13-disintegration cabin；14-discharging opening；15-discharge pipe；16-blast pipe.
Detailed description of the invention
Embodiment
The technical grade calcium hydroxide production device of the present embodiment, as shown in Figure 1, including carbide slag storehouse 1, lime silo 2, feed auger reamer 7, biaxial rneader 9 and disintegration cabin 13, carbide slag storehouse 1 connects with feed auger reamer 7 respectively with lime silo 2, spiral electron weighing balance 5 it is respectively arranged with between carbide slag storehouse 1 and lime silo 2 and feed auger reamer 7, carbide slag storehouse 1 is connected with spiral electron weighing balance 5 by the first connecting hose 4 respectively with lime silo 2, and spiral electron weighing balance 5 is connected with feed auger reamer 7 by the second connecting hose 6.It is separately installed with one-way spiral valve 3 between carbide slag storehouse 1 and lime silo 2 and the first connecting hose 4.The outlet of feed auger reamer 7 connects with the Double shaft stirring machine inlet 8 of biaxial rneader 9, and the biaxial rneader discharging opening 10 of biaxial rneader 9 connects with disintegration cabin 13, and disintegration cabin 13 bottom is provided with discharging opening 14, and disintegration cabin 13 seals and arranges.Disintegration cabin 13 is tubular, is provided with cone end socket below disintegration cabin 13, and discharging opening 14 is arranged on cone end socket lower end.In disintegration cabin 13, middle part is provided with central canal 11, and central canal 11 is arranged from top to bottom along the axis of disintegration cabin 13, central canal 11 upper end closed and be provided with tapered protrusion.The inside of disintegration cabin 13 is additionally provided with multiple annular homogenizing device 12, and annular homogenizing device 12 is looped around around central canal 11 and is spaced from top to bottom setting, the cross section of annular homogenizing device 12 be arrow shaped and arrow straight up.The outer wall of disintegration cabin 13 is double-decker, and the side wall upper part of disintegration cabin 13 is provided with discharge pipe 15, and the lower sidewall of disintegration cabin 13 is provided with blast pipe 16, and hot blast enters from blast pipe 16, discharges from discharge pipe 15.
The production technology of the technical grade calcium hydroxide production device of the present embodiment, comprises the following steps:
(i) select materials: select moisture content about 35% carbide slag, Calx grade requirement CaO is more than 88%；
(ii) dispensing: carbide slag and Calx are separately added into carbide slag storehouse and lime silo, the mass ratio controlling carbide slag and Calx is 2:1；
(iii) blanking: open one-way spiral valve 3, carbide slag and Calx in carbide slag storehouse and lime silo is respectively fed to feed auger reamer 7 after the accurate weighing of spiral electron weighing balance 5, and the required precision of spiral electron weighing balance 5 is more than 1%；
(iv) conveying: the mixed material in feed auger reamer 7 sends into biaxial rneader 9 through Double shaft stirring machine inlet 8；
(v) stirring: mixed material is stirred in biaxial rneader 9, controlling biaxial rneader rotating speed during stirring is 35rpm～40rpm, and control mixed material time of staying in blender is 30 minutes；
(vi) reaction: step (iv) in stirred by biaxial rneader 9 after mixed material send into disintegration cabin 13 from biaxial rneader discharging opening 10 and fully clear up, it is passed through hot blast from the blast pipe 15 of disintegration cabin 13 when clearing up, controlling digestion time is 24～36 hours, by central canal 11 and the mating reaction of annular homogenizing device 12, mixed material slowly moves down from top to bottom smoothly, and carbide slag and Calx carry out sufficient physical-chemical reaction in the process；
(vii) discharging: the technical grade calcium hydroxide produced after fully reaction in disintegration cabin 13 discharging opening 14 discharging by disintegration cabin 13；
(viii) storage: send into storage reservoir after the technical grade calcium hydroxide discharging of production.
The technical grade calcium hydroxide production device of the present embodiment has the advantage that the technical grade calcium hydroxide production device of (1) present invention changes tradition calcium hydroxide Ca (OH)2Production technology, utilize large industrial waste carbide slag, add calcium oxide CaO mix and blend, then the operation such as clear up through disintegration cabin, define a kind of brand-new production technical grade Ca (OH)2Production technology；(2) carbide slag is the most local in China, particularly the Northwest, a large amount of air storages, cause very large resource and ambient pressure, energy low cost of the present invention utilizes carbide slag in a large number, it is widely used in the projects such as power plant desulfurization, to the China as the first in the world big carbide manufacturing country, there is particular importance meaning；(3) with carbide slag as raw material, adding a certain proportion of calcium oxide CaO, be commonly called as Calx, be sufficiently stirred for, uniformly mix, in the process, calcium oxide CaO absorbs the moisture content H in carbide slag20 becomes Ca (OH)2, meanwhile, release substantial amounts of heat, chemical equation is as follows: CaO+H20=Ca (OH)2+ heat；Through measuring and calculating, 1t Calx can absorb 357.14kg moisture content；Meanwhile, 277kcal heat is discharged；Therefore, while moisture content in Calx absorbs carbide slag, the heat produced is additionally operable to heat carbide slag, absorb and heating is carried out simultaneously, remove the speed of moisture content in carbide slag substantially to accelerate, not only greatly reduce the cost utilizing carbide slag to produce technical grade calcium hydroxide, also significantly improve the production efficiency of technical grade calcium hydroxide；(4) owing to being respectively arranged with spiral electron weighing balance between carbide slag storehouse and lime silo and feed auger reamer, raw material can be carried out accurate measurement, it is ensured that reaction accurate, thoroughly and fully；(5) owing to being separately installed with one-way spiral valve between carbide slag storehouse and lime silo and the first connecting hose, operator can be facilitated effectively to control the flow of raw material, facilitate the weighing of spiral electron weighing balance, thus ensure that the accurate proportioning of raw material；(6) in the middle part of in disintegration cabin, it is provided with central canal, central canal upper end closed and be provided with tapered protrusion, and the inside of disintegration cabin is additionally provided with multiple annular homogenizing device, annular homogenizing device is looped around around central canal and is spaced setting from top to bottom, the cross section of annular homogenizing device is arrow shaped, and arrow is straight up；Central canal can will carry out dispersed from the mixed material sent into, by central canal and the mating reaction of annular homogenizing device, ensure that carbide slag and Calx can be uniformly distributed, there is not segregation phenomenon, mixed material is slowly moved down from top to bottom smoothly, carbide slag and Calx carry out sufficient physical-chemical reaction in the process, ensure that the quality of the technical grade calcium hydroxide of final production, the deadweight of the fully utilized mixed material of disintegration cabin, need not extra power, dispersion homo-effect is good, constant product quality；(7) owing to being provided with cone end socket below disintegration cabin, it is ensured that the sealing property of disintegration cabin；(8) time due to production craft step (i) middle dispensing, the mass ratio controlling carbide slag and Calx is 2:1, accurate measurement is carried out further through spiral electron metering when carbide slag storehouse and lime silo blanking, making in production process the mixed material in from start to finish disintegration cabin is all accurate proportioning, thus further ensure that the accurate, thoroughly and fully of reaction；(9) side wall upper part of disintegration cabin is provided with discharge pipe, the lower sidewall of disintegration cabin is provided with blast pipe, when material entrance disintegration cabin is cleared up, it is passed through hot blast, can be that material heats, it is ensured that the temperature in disintegration cabin is higher, improve reaction rate, hot blast takes away moisture content when discharge pipe is gone out simultaneously so that drying effect is more preferable, improves end product quality；(10) it is double-decker due to the outer wall of disintegration cabin, hot blast or hot water can be led between the two-layer housing of disintegration cabin to heat disintegration cabin, provide stable thermal environment for the production technology of the present invention, it is ensured that clear up fully carrying out of reaction.
This utility model is not limited to above-described embodiment.The technical scheme that all employing equivalents are formed, all falls within the protection domain of this utility model requirement.
Claims (9)
1. a technical grade calcium hydroxide production device, it is characterized in that: include carbide slag storehouse, lime silo, feed auger reamer, biaxial rneader and disintegration cabin, described carbide slag storehouse connects with described feed auger reamer respectively with lime silo, the outlet of described feed auger reamer connects with the Double shaft stirring machine inlet of described biaxial rneader, the biaxial rneader discharging opening of described biaxial rneader connects with described disintegration cabin, described disintegration cabin bottom is provided with discharging opening, and described disintegration cabin seals and arranges.
Technical grade calcium hydroxide production device the most according to claim 1, it is characterized in that: between described carbide slag storehouse and lime silo and described feed auger reamer, be respectively arranged with spiral electron weighing balance, described carbide slag storehouse is connected with described spiral electron weighing balance by the first connecting hose respectively with lime silo, and described spiral electron weighing balance is connected with described feed auger reamer by the second connecting hose.
Technical grade calcium hydroxide production device the most according to claim 2, it is characterised in that: it is separately installed with one-way spiral valve between described carbide slag storehouse and lime silo and described first connecting hose.
Technical grade calcium hydroxide production device the most according to claim 3, it is characterised in that: middle part is provided with central canal in described disintegration cabin, and described central canal is arranged from top to bottom along the axis of described disintegration cabin, described central canal upper end closed and be provided with tapered protrusion.
Technical grade calcium hydroxide production device the most according to claim 4, it is characterized in that: the inside of described disintegration cabin is additionally provided with multiple annular homogenizing device, described annular homogenizing device is looped around around described central canal and is spaced setting from top to bottom, the cross section of described annular homogenizing device is arrow shaped, and described arrow is straight up.
Technical grade calcium hydroxide production device the most according to claim 5, it is characterised in that: described disintegration cabin is tubular, is provided with cone end socket below described disintegration cabin.
Technical grade calcium hydroxide production device the most according to claim 6, it is characterised in that: described discharging opening is arranged on described cone end socket lower end.
Technical grade calcium hydroxide production device the most according to claim 7, it is characterised in that: the side wall upper part of described disintegration cabin is provided with discharge pipe, and the lower sidewall of described disintegration cabin is provided with blast pipe.
Technical grade calcium hydroxide production device the most according to claim 8, it is characterised in that: the outer wall of described disintegration cabin is double-decker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620314788.8U CN205528455U (en) | 2016-04-15 | 2016-04-15 | Industrial grade calcium hydrate production facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620314788.8U CN205528455U (en) | 2016-04-15 | 2016-04-15 | Industrial grade calcium hydrate production facility |
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| Publication Number | Publication Date |
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| CN205528455U true CN205528455U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620314788.8U Expired - Fee Related CN205528455U (en) | 2016-04-15 | 2016-04-15 | Industrial grade calcium hydrate production facility |
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| CN (1) | CN205528455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105669053A (en) * | 2016-04-15 | 2016-06-15 | 范洪喜 | Industrial grade calcium hydroxide production equipment and technology |
-
2016
- 2016-04-15 CN CN201620314788.8U patent/CN205528455U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105669053A (en) * | 2016-04-15 | 2016-06-15 | 范洪喜 | Industrial grade calcium hydroxide production equipment and technology |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |