CN218452147U - Agitating unit is used in calcium oxide processing - Google Patents
Agitating unit is used in calcium oxide processing Download PDFInfo
- Publication number
- CN218452147U CN218452147U CN202222540108.2U CN202222540108U CN218452147U CN 218452147 U CN218452147 U CN 218452147U CN 202222540108 U CN202222540108 U CN 202222540108U CN 218452147 U CN218452147 U CN 218452147U
- Authority
- CN
- China
- Prior art keywords
- hollow cavity
- stirring
- calcium oxide
- pivot
- division board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000000292 calcium oxide Substances 0.000 title claims abstract description 23
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 69
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 239000004579 marble Substances 0.000 description 32
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 25
- 229910017604 nitric acid Inorganic materials 0.000 description 25
- 239000000843 powder Substances 0.000 description 20
- 235000012255 calcium oxide Nutrition 0.000 description 15
- 239000000243 solution Substances 0.000 description 15
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 9
- 235000011941 Tilia x europaea Nutrition 0.000 description 9
- 239000004571 lime Substances 0.000 description 9
- 239000002244 precipitate Substances 0.000 description 9
- 238000005192 partition Methods 0.000 description 8
- 239000011575 calcium Substances 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000008267 milk Substances 0.000 description 6
- 210000004080 milk Anatomy 0.000 description 6
- 235000013336 milk Nutrition 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 239000006071 cream Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The utility model discloses a stirring device for calcium oxide processing, which comprises a stirring barrel, wherein a separation plate is arranged inside the stirring barrel, a first hollow cavity is arranged inside a rotating shaft, a first overflow hole penetrating through the first hollow cavity is arranged at the top of the outer wall of the rotating shaft, a second hollow cavity is arranged inside a stirring rod, a second overflow hole penetrating through the second hollow cavity is uniformly arranged on the surface of the stirring rod, and the second hollow cavity is connected with the first hollow cavity in a through manner; the utility model discloses driving away CO 2's in-process, the continuous stirring of puddler, the CO2 of production can enter into the second cavity intracavity in the puddler through the second air pocket that overflows, then enters into first cavity intracavity along the cavity in the second, and the division board top of the first air pocket emission of pivot top is followed at last, the agitator of discharging again, and the CO 2's of being convenient for like this emission avoids remaining CO2 in the solution for CO 2's the efficiency of driving away.
Description
Technical Field
The utility model relates to a calcium oxide processing technology field specifically is a agitating unit is used in calcium oxide processing.
Background
Calcium oxide is an inorganic compound having the chemical formula CaO, commonly known as quicklime. The physical property is white powder on the surface, the impure one is grey white, and the impurity is light yellow or grey, and has hygroscopicity;
the production method of calcium oxide comprises: 1. a folded limestone calcining method; 2. pure nitric acid dissolution marble method; 3. a folding calcium carbonate calcining method; the method for dissolving marble by pure nitric acid comprises dissolving marble by pure nitric acid, boiling to remove CO 2 Adding lime milk into the hot solution, filtering to remove hydroxide precipitate such as Cu, fe, mg, etc., heating the filtrate until it is nearly boiling, and introducing CO 2 Production of Ca (HCO) 3 ) 2 ，Ca(HCO 3 ) 2 In an amount corresponding to the amount of Ca (OH) added 2 The amount of (c). Boiling the solution, ca (HCO) 3 ) 2 I.e. decomposed into calcium carbonate precipitates and carry traces of Fe. Ca (NO) in filtrate 3 ) 2 After cooling, 1/3 volume of concentrated ammonia water and concentrated (NH) are added 4 ) 2 CO 3 Then there is additional CaCO 3 And precipitating. Mixing CaCO 3 Washing and drying the precipitate, and putting the precipitate in a quartz crucible and burning the precipitate on an electric furnace to obtain pure calcium oxide.
In order to improve the efficiency of dissolving marble in pure nitric acid, the marble is stirred, and the dissolved solution is boiled to remove CO 2 The existing Chinese patent with the application number of CN201811536524.7 discloses a stirring device for calcium hydroxide production, wherein a partition board is arranged in a stirring box, and if calcium oxide is prepared by adopting the stirring device, CO is inconvenient to be produced due to the arrangement of the partition board 2 And therefore improvements in the stirring apparatus are needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a agitating unit is used in calcium oxide processing to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a agitating unit is used in calcium oxide processing, includes the agitator, the inside division board that is equipped with of agitator, the drain hole has evenly been seted up on the division board surface, the inside central line department of agitator rotates to install and runs through the pivot of division board, the pivot is located one side of division board top is equipped with crushing blade, the pivot is located one side of division board below is equipped with the puddler, first well cavity has been seted up to pivot inside, run through has been seted up at the top of pivot outer wall first cavity spills the hole, cavity in the second has been seted up to puddler inside, the puddler surface has evenly seted up and has run through the second spills the hole in the cavity in the second, well cavity and first well cavity between through connection, agitator inside is inlayed and is had the hot plate.
The center of the top of the stirring barrel is fixedly provided with a driving motor for driving the rotating shaft, and the output end of the driving motor is fixedly connected with the top of the rotating shaft.
Wherein the top of the stirring barrel is symmetrically provided with a feeding port.
Wherein, a liquid discharge pipe is inserted in the center of the bottom of the stirring barrel, and a control valve is fixedly installed on the liquid discharge pipe.
The top of the first hollow cavity is closed, and the bottom of the first hollow cavity is opened.
Wherein, the both ends of second cavity are all opened setting.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses add pure nitric acid and marble powder in the agitator, then pure nitric acid and marble powder fall to the division board below through the drain hole, drive crushing blade and puddler through the pivot simultaneously and rotate, carry out crushing treatment through the marble powder of pivoted crushing blade to the division board top, avoid marble powder to pile up the caking, when pure nitric acid and marble powder enter into the division board below, stir pure nitric acid and marble powder through the pivoted puddler, the speed that pure nitric acid dissolves the marble has been accelerated, treat that pure nitric acid dissolves the marble completely after, heat through the hot plate, dissolve liquid in the agitator and boil, drive out CO 2 Then adding lime milk into the stirring barrel, and continuingStirring by using a stirring rod to mix the lime cream into the dissolved solution in the stirring barrel, and then discharging the mixed solution to filter and remove impurities; in the removal of CO 2 In-process, the continuous stirring of puddler, the CO2 that produces can enter into the second cavity intracavity in the puddler through second air overflow hole, then enters into first cavity intracavity along the second cavity intracavity, and the division board top of the first air overflow hole emission of pivot top at last discharges the agitator again, and the emission of CO2 of being convenient for like this avoids remaining CO2 in the solution for CO 2's the efficiency of driving away has been accelerated.
Drawings
FIG. 1 is a schematic front view of the cross-section of the present invention;
FIG. 2 is a schematic view of the assembly state of the rotating shaft and the stirring rod of the present invention;
fig. 3 is a schematic view of the main section of the stirring rod of the present invention.
In the figure: 10. a stirring barrel; 11. a feeding port; 12. a drive motor; 13. a liquid discharge pipe; 14. a control valve; 15. heating plates; 20. a separator plate; 21. a material leakage port; 30. a rotating shaft; 31. a crushing blade; 32. a stirring rod; 33. a first hollow cavity; 34. a first air overflow hole; 35. a second hollow cavity; 36. and a second air overflow hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: a stirring device for calcium oxide processing comprises a stirring barrel 10, wherein a partition plate 20 is arranged inside the stirring barrel 10, a material leakage port 21 is uniformly formed in the surface of the partition plate 20, material feeding ports 11 are symmetrically formed in the top of the stirring barrel 10, the stirring device is suitable for preparing calcium oxide by dissolving marble through pure nitric acid, when calcium oxide needs to be prepared, pure nitric acid and marble powder are added into the stirring barrel 10 through the material feeding ports 11, then the pure nitric acid and the marble powder fall below the partition plate 20 through the material leakage port 21, and the marble is dissolved through the pure nitric acid below the partition plate 20;
wherein, the inside central line department of agitator 10 rotates installs the pivot 30 that runs through division board 20, fixed mounting is located at the center at agitator 10 top has the driving motor 12 that is used for driving pivot 30, the top fixed connection of driving motor 12 output and pivot 30, one side fixed mounting that pivot 30 is located division board 20 top has crushing blade 31, one side fixed mounting that pivot 30 is located division board 20 below has puddler 32, when adding pure nitric acid and marble powder to agitator 10 in, drive pivot 30 through driving motor 12 earlier and rotate, drive crushing blade 31 and puddler 32 through pivot 30 and rotate, carry out crushing treatment to the marble powder of division board 20 top through pivoted crushing blade 31, avoid the marble powder to pile up the caking, when pure nitric acid and marble powder enter into division board 20 below, stir pure nitric acid and marble powder through pivoted puddler 32, the speed that pure nitric acid dissolves the marble has been accelerated.
Wherein, a first hollow cavity 33 is opened in the rotating shaft 30, the top of the first hollow cavity 33 is closed, the bottom of the first hollow cavity 33 is opened, a first air overflow hole 34 penetrating through the first hollow cavity 33 is opened in the top of the outer wall of the rotating shaft 30, a second hollow cavity 35 is opened in the stirring rod 32, both ends of the second hollow cavity 35 are opened, a second air overflow hole 36 penetrating through the second hollow cavity 35 is uniformly opened on the surface of the stirring rod 32, the second hollow cavity 35 is communicated with the first hollow cavity 33, a heating plate 15 is embedded in the stirring barrel 10, after the marble is completely dissolved in the pure nitric acid, the heating plate 15 is used for heating, the solution in the stirring barrel 10 is boiled to remove CO2, then lime cream is added into the stirring barrel 10, the stirring rod 32 is continuously used for stirring, the lime cream is mixed into the solution in the stirring barrel 10, and then the mixed solution is removed for filtration and impurity removal; in the process of expelling CO2, the stirring rod 32 continuously stirs, the generated CO2 enters the second hollow cavity 35 in the stirring rod 32 through the second air overflow hole 36, then enters the first hollow cavity 33 along the second hollow cavity 35, and finally is discharged from the upper side of the partition plate 20 above the rotating shaft 31 through the first air overflow hole 34, and then is discharged out of the stirring barrel 10 from the feeding port 11, so that the CO2 is conveniently discharged, the CO2 remaining in the solution is avoided, and the expelling efficiency of the CO2 is accelerated.
Wherein, a liquid discharge pipe 13 is inserted in the center of the bottom of the stirring barrel 10, a control valve 14 is fixedly installed on the liquid discharge pipe 13, the solution in the stirring barrel 10 is boiled to expel CO2, then lime milk is added into the stirring barrel 10, stirring is continued by using a stirring rod 32, the lime milk is mixed into the solution in the stirring barrel 10, then the control valve 14 is opened, and the mixed liquid is discharged through the liquid discharge pipe 13 to be filtered and purified.
The working principle is as follows: when the device is used, firstly, the pure nitric acid and the marble powder are added into the stirring barrel 10 through the feeding port 11, then the pure nitric acid and the marble powder fall below the isolation plate 20 through the material leakage port 21, meanwhile, the driving motor 12 drives the rotating shaft 30 to rotate, the rotating shaft 30 drives the crushing blade 31 and the stirring rod 32 to rotate, the marble powder above the isolation plate 20 is crushed through the rotating crushing blade 31, the marble powder is prevented from being accumulated and agglomerated, when the pure nitric acid and the marble powder enter below the isolation plate 20, the pure nitric acid and the marble powder are stirred through the rotating stirring rod 32, the speed of dissolving marble by the pure nitric acid is accelerated, after the marble is completely dissolved by the pure nitric acid, the heating plate 15 is used for heating, the dissolving liquid in the stirring barrel 10 is boiled, and CO2 is driven out, in the process of expelling CO2, the stirring rod 32 continuously stirs, the generated CO2 enters the second hollow cavity 35 in the stirring rod 32 through the second overflow hole 36, then enters the first hollow cavity 33 along the second hollow cavity 35, finally is discharged from the upper part of the partition plate 20 of the first overflow hole 34 above the rotating shaft 30, and is discharged out of the stirring barrel 10 through the feeding port 11, so that the CO2 is conveniently discharged, CO2 residual in the dissolved solution is avoided, the expelling efficiency of the CO2 is accelerated, then lime milk is added into the stirring barrel 10, stirring is continuously carried out by using the stirring rod 32, the lime milk is mixed into the dissolved solution in the stirring barrel, then the control valve 14 is opened, the mixed solution is discharged through the liquid discharge pipe 13, hydroxide precipitates such as Cu, fe, mg and the like are removed by filtering, and when the filtrate is close to boiling, CO is introduced into the filtrate again 2 Production of Ca (HCO) 3 ) 2 ，Ca(HCO 3 ) 2 In an amount corresponding to the amount of Ca (OH) added 2 The amount of (c). Boiling the solution, ca (HCO) 3 ) 2 I.e. decomposition into calcium carbonate precipitate and carrying trace amount of Fe, ca (NO) in filtrate 3 ) 2 After cooling, 1/3 volume of concentrated ammonia water and concentrated (NH) are added 4 ) 2 CO 3 Then there is additional CaCO 3 Precipitating CaCO 3 Washing and drying the precipitate, and burning the precipitate in a quartz crucible on an electric furnace to obtain pure calcium oxide.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a agitating unit is used in calcium oxide processing, includes agitator (10), agitator (10) inside is equipped with division board (20), leakage mouth (21) have evenly been seted up on division board (20) surface, agitator (10) inside central line department rotates to install and runs through pivot (30) of division board (20), pivot (30) are located one side of division board (20) top is equipped with crushing blade (31), pivot (30) are located one side of division board (20) below is equipped with puddler (32), its characterized in that: a first hollow cavity (33) is formed in the rotating shaft (30), a first air overflow hole (34) penetrating through the first hollow cavity (33) is formed in the top of the outer wall of the rotating shaft (30), a second hollow cavity (35) is formed in the stirring rod (32), a second air overflow hole (36) penetrating through the second hollow cavity (35) is uniformly formed in the surface of the stirring rod (32), and the second hollow cavity (35) is in through connection with the first hollow cavity (33); a heating plate (15) is embedded in the stirring barrel (10).
2. The stirring device for calcium oxide processing according to claim 1, wherein: the center department fixed mounting at agitator (10) top is used for the drive driving motor (12) of pivot (30), driving motor (12) output with the top fixed connection of pivot (30).
3. The stirring device for calcium oxide processing according to claim 1, wherein: the top of the stirring barrel (10) is symmetrically provided with feeding ports (11).
4. The stirring device for calcium oxide processing according to claim 1, wherein: a liquid discharge pipe (13) is inserted in the center of the bottom of the stirring barrel (10), and a control valve (14) is fixedly mounted on the liquid discharge pipe (13).
5. The stirring device for calcium oxide processing according to claim 1, wherein: the top of the first hollow cavity (33) is closed, and the bottom of the first hollow cavity (33) is opened.
6. The stirring device for calcium oxide processing according to claim 1, wherein: and both ends of the second hollow cavity (35) are opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222540108.2U CN218452147U (en) | 2022-09-26 | 2022-09-26 | Agitating unit is used in calcium oxide processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222540108.2U CN218452147U (en) | 2022-09-26 | 2022-09-26 | Agitating unit is used in calcium oxide processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218452147U true CN218452147U (en) | 2023-02-07 |
Family
ID=85124417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222540108.2U Expired - Fee Related CN218452147U (en) | 2022-09-26 | 2022-09-26 | Agitating unit is used in calcium oxide processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218452147U (en) |
-
2022
- 2022-09-26 CN CN202222540108.2U patent/CN218452147U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |