CN220736685U - Solid-liquid separation device for preparing light calcium carbonate - Google Patents
Solid-liquid separation device for preparing light calcium carbonate Download PDFInfo
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- CN220736685U CN220736685U CN202322426496.6U CN202322426496U CN220736685U CN 220736685 U CN220736685 U CN 220736685U CN 202322426496 U CN202322426496 U CN 202322426496U CN 220736685 U CN220736685 U CN 220736685U
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- solid
- calcium carbonate
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- section
- filtering
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 79
- 238000000926 separation method Methods 0.000 title claims abstract description 60
- 229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 39
- 239000007788 liquid Substances 0.000 title claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 49
- 239000007787 solid Substances 0.000 claims abstract description 48
- 238000005192 partition Methods 0.000 claims abstract description 20
- 238000004062 sedimentation Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000011343 solid material Substances 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 3
- 230000008021 deposition Effects 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The utility model relates to the technical field of calcium carbonate preparation, in particular to a solid-liquid separation device for preparing light calcium carbonate, which comprises a support frame, wherein a separation tank is arranged on the support frame, the separation tank is in two sections, the upper section is a cylindrical separation chamber, the lower section is a sedimentation chamber for solid deposition of calcium carbonate, a vertical partition plate is arranged in the separation chamber to divide the space part in the separation chamber into a left section and a right section, a feeding hole is arranged at the top of the separation chamber corresponding to the left section of the partition plate, a solid filtering mechanism for filtering solid materials of calcium carbonate is arranged in the separation chamber positioned in the right section of the partition plate, the solid filtering mechanism comprises a filtering part, the filtering part is horizontally arranged at the lower section of the right section of the partition plate, a grid plate component for passing materials and conveying upwards is arranged above the filtering part, and a water outlet is arranged at the upper section of the side wall of the separation chamber in the right section. The problem of current solid-liquid separation device filter screen easily block up, need the manual work clear up the filter material on the filter screen, cause the practicality to reduce is solved.
Description
Technical Field
The utility model relates to the technical field of calcium carbonate preparation, in particular to a solid-liquid separation device for preparing light calcium carbonate.
Background
Light calcium carbonate (commonly called light calcium carbonate), also called precipitated calcium carbonate, is prepared by calcining raw materials such as limestone to generate lime, wherein the main components are calcium oxide and carbon dioxide, adding water to digest lime to generate lime milk, introducing carbon dioxide to carbonize lime milk to generate calcium carbonate precipitate, and finally dehydrating, drying and crushing, wherein the dehydration process is an extremely important link, solid-liquid separation is carried out on calcium carbonate suspension slurry, the filtrate is subjected to reclaining to recover solid particles therein, and the generated filter cake is sent to a dryer for drying;
the existing calcium carbonate solid-liquid separation device mostly adopts a filter screen filtering mode, namely, slurry is put into a device with a filter screen, solids are filtered through the filter screen, and then filtered solids are taken out for drying, so that the method can achieve the effect of solid-liquid separation, but the production needs can not be met by the traditional filter screen type filtering due to large yield in actual production, meanwhile, the filtered sediment on the filter screen needs to be manually and timely taken out for collection when the filter screen is used for filtering, otherwise, the filter screen is blocked, the subsequent filtering efficiency is affected, and the practicability of equipment is greatly reduced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a solid-liquid separation device for preparing light calcium carbonate, which solves the problems that the filter screen of the existing solid-liquid separation device is easy to be blocked, and the filter material on the filter screen needs to be cleaned manually, so that the practicability is reduced.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the solid-liquid separation device for preparing the light calcium carbonate comprises a support frame, wherein a separation tank is arranged on the support frame, the separation tank is in two sections, the upper section is a cylindrical separation chamber, the lower section is a sedimentation chamber for solid deposition of the calcium carbonate, and a vertical partition plate is arranged in the separation chamber to divide the space part in the separation chamber into a left section and a right section;
a feed inlet is formed in the top of the separation chamber corresponding to the left section of the partition plate, a solid filtering mechanism for filtering calcium carbonate solid materials is arranged in the separation chamber located in the right section of the partition plate, and a water outlet is formed in the upper section of the side wall of the separation chamber located in the right section;
the solid filtering mechanism comprises a filtering part, the filtering part is horizontally arranged at the lower section of the right side interval of the partition plate, and a grating plate component for passing materials and conveying upwards is arranged above the filtering part.
Preferably, the filtering part comprises a semicircular frame, the outer side of the frame is fixed on the inner wall of the settling chamber and the right side wall of the partition plate, and a filter screen with holes is arranged in the frame.
Preferably, the grating plate assembly comprises a plurality of grating plates which are vertically arranged, square channels for the calcium carbonate liquid to pass through are formed between the grating plates, and the directions of the square channels are vertically arranged.
Preferably, the grating plates are fixedly arranged, and the grating plate component is movably arranged above the filtering part.
Preferably, the sedimentation chamber is in an inverted cone shape, the sedimentation chamber and the separation chamber are integrally formed, the side wall of the sedimentation chamber is gradually gathered from top to bottom, and a calcium carbonate solid discharge port is arranged below the sedimentation chamber.
Preferably, the water outlet is positioned on the side wall of the separation tank above the grating plate, and the water outlet is lower than the feeding hole.
(III) beneficial effects
Compared with the prior art, the utility model provides the solid-liquid separation device for preparing the light calcium carbonate, which has the following beneficial effects:
through utilizing the heavier principle of solid matter quantity in the calcium carbonate thick liquid to set up the separator that has baffle and solid filtering mechanism, in the calcium carbonate thick liquid gets into the knockout drum, the partly great solid matter subsides to the settling chamber, and the solid matter that does not subside completely is along with the water level rising, filters through the solid filtering mechanism on baffle right side, and the liquid after the filtration is outside the delivery port discharge device after that, avoids all solids to pass through the filter screen entirely, causes the jam of filter screen.
The solid filtering mechanism flows from bottom to top when filtering slurry, the filter screen filters solids to the lower part of the filter screen, and the solids filtered by gravity can fall into the sedimentation chamber downwards, so that the blockage of the filter screen is further avoided, and the labor is saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic diagram of the solid-liquid separation device for preparing light calcium carbonate;
FIG. 2 is a schematic diagram of the internal structure of a separating tank of the solid-liquid separating device of the present utility model after being cut;
FIG. 3 is a schematic diagram of a solid filtration mechanism according to the present utility model.
Reference numerals illustrate:
1. a support frame;
2. a separation tank; 21. a separation chamber; 22. a precipitation chamber;
3. a partition plate;
4. a feed inlet;
5. a solid filtration mechanism; 51. a filtering part; 511. a frame; 512. a filter screen; 52. a grid plate assembly; 521. a grating plate; 522. square channels;
6. a water outlet;
7. and a solid discharge port.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.
Fig. 1-3 show an embodiment of the solid-liquid separation device for preparing light calcium carbonate, including a support frame 1, wherein a separation tank 2 is arranged on the support frame 1, the separation tank 2 is two-stage, the upper stage is a cylindrical separation chamber 21, the lower stage is a sedimentation chamber 22 for depositing calcium carbonate solids, a vertical partition plate 3 is arranged in the separation chamber 21 to divide the space part in the separation chamber 21 into a left section and a right section, a feed inlet 4 is arranged at the top of the separation chamber 21 corresponding to the left section of the partition plate 3, a solid filtering mechanism 5 for filtering calcium carbonate solid materials is arranged in the separation chamber 21 in the right section of the partition plate 3, a water outlet 6 is arranged at the upper section of the side wall of the separation chamber 21 in the right section, in actual operation, calcium carbonate slurry enters the separation tank 2 through the feed inlet 4, falls into the sedimentation chamber 22, due to the fact that impurities are insoluble in water and have a heavy volume, part of solid matters sink onto the inner wall of the sedimentation chamber 22, as the water level of the slurry in the separation tank 2 rises, the solid matters which do not completely fall down rise with the water level, the solid matters passing through the right solid filtering mechanism 5 are filtered through the right solid filtering mechanism 5, and then the filtered liquid passes through the water outlet 6 and is discharged outside the device;
the solid filtering mechanism 5 comprises a filtering part 51, the filtering part 51 is horizontally arranged at the lower section of the right section of the partition plate 3, a grating plate assembly 52 for materials to pass through and be conveyed upwards is arranged above the filtering part 51, when slurry passes through the solid filtering mechanism 5, firstly, the filtering part 51 below filters solid matters, and the non-precipitated solid matters are filtered below the filtering part 51, and then pass through the grating plate assembly 52 for secondary filtration along with the rising of the water level.
The filtering portion 51 comprises a semicircular frame 511, the outer side of the frame 511 is fixed on the inner wall of the settling chamber 22 and the right side wall of the partition plate 3, a filter screen 512 with holes is arranged in the frame 511, when slurry passes through the filtering portion 51, larger solids are precipitated in the settling chamber 22, part of solids pass through the filter screen 512, at this time, the filter screen 512 filters residual solids in the slurry, so that all the solids are prevented from passing through the filter screen 512, the filter screen 512 is blocked, the slurry flows from bottom to top, the filter screen 512 filters the solids to the lower side of the filter screen 512, and the filtered solids can fall into the settling chamber 22 downwards due to gravity, so that the blocking of the filter screen 512 is further avoided.
The grid plate assembly 52 includes a plurality of vertically arranged grid plates 521, square channels 522 for passing calcium carbonate liquid are formed between the grid plates 521, the directions of the square channels 522 are vertically arranged, the solid content in the slurry filtered by the filter screen 512 is less, only a part of fine particles smaller than the filter holes of the filter screen 512 are mixed with the slurry, when the slurry passes through the grid plate assembly 52, the contact between the particles and the grid plates 521 is increased through the square channels 522 with smaller caliber, so that the fine particles in the slurry are settled downwards and fall into the settling chamber 22 through the filter part 51.
The grating plates 521 are fixedly arranged, and the grating plate assembly 52 is movably arranged above the filtering part 51, so that the grating plate assembly 52 can be conveniently taken out, replaced and cleaned.
The sedimentation chamber 22 is of an inverted cone shape, the sedimentation chamber 22 and the separation chamber 21 are integrally formed, the side wall of the sedimentation chamber 22 is gradually gathered from top to bottom, a calcium carbonate solid discharge port 7 is arranged below the sedimentation chamber 22, in actual work, after slurry enters the separation tank 2, solids are deposited in the sedimentation chamber 22, and the deposited solids are collected by opening the solid discharge port 7.
The water outlet 6 is positioned on the side wall of the separation tank 2 above the grating plate 521, and the water outlet 6 is arranged at a height lower than the height of the feed inlet 4 so as to ensure that the overflow of the slurry in the separation tank 2 is not caused and the water level in the separation tank 2 is kept stable.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a solid-liquid separation device is used in light calcium carbonate preparation, includes support frame (1), is equipped with knockout drum (2), its characterized in that on support frame (1): the separating tank (2) is a two-section type separating chamber (21) with a cylindrical upper section, a settling chamber (22) for settling calcium carbonate solids is arranged at the lower section, and a vertical partition plate (3) is arranged in the separating chamber (21) to divide the space part in the separating chamber (21) into a left section and a right section;
a feed inlet (4) is arranged at the top of a separation chamber (21) corresponding to the left side interval of the partition plate (3), a solid filtering mechanism (5) for filtering calcium carbonate solid materials is arranged in the separation chamber (21) positioned in the right side interval of the partition plate (3), and a water outlet (6) is arranged at the upper section of the side wall of the separation chamber (21) positioned in the right side interval;
the solid filtering mechanism (5) comprises a filtering part (51), the filtering part (51) is horizontally arranged at the lower section of the right side section of the partition plate (3), and a grid plate assembly (52) for passing materials and conveying upwards is arranged above the filtering part (51).
2. The solid-liquid separation device for preparing light calcium carbonate according to claim 1, wherein: the filtering part (51) comprises a semicircular frame (511), the outer side of the frame (511) is fixed on the inner wall of the sedimentation chamber (22) and the right side wall of the partition board (3), and a filter screen (512) with holes is arranged in the frame (511).
3. The solid-liquid separation device for preparing light calcium carbonate according to claim 1, wherein: the grid plate assembly (52) comprises a plurality of vertically arranged grid plates (521), square channels (522) for calcium carbonate liquid to pass through are formed between the grid plates (521), and the directions of the square channels (522) are vertically arranged.
4. A solid-liquid separation device for preparing light calcium carbonate according to claim 3, wherein: the grating plates (521) are fixedly arranged, and the grating plate component (52) is movably arranged above the filtering part (51).
5. The solid-liquid separation device for preparing light calcium carbonate according to claim 1, wherein: the sedimentation chamber (22) is of an inverted cone shape, the sedimentation chamber (22) and the separation chamber (21) are integrally formed, the side wall of the sedimentation chamber (22) is gradually gathered from top to bottom, and a calcium carbonate solid discharge port (7) is arranged below the sedimentation chamber (22).
6. The solid-liquid separation device for preparing light calcium carbonate according to claim 1, wherein: the water outlet (6) is positioned on the side wall of the separation tank (2) above the grating plate (521), and the water outlet (6) is lower than the feeding port (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322426496.6U CN220736685U (en) | 2023-09-07 | 2023-09-07 | Solid-liquid separation device for preparing light calcium carbonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322426496.6U CN220736685U (en) | 2023-09-07 | 2023-09-07 | Solid-liquid separation device for preparing light calcium carbonate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220736685U true CN220736685U (en) | 2024-04-09 |
Family
ID=90554320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322426496.6U Active CN220736685U (en) | 2023-09-07 | 2023-09-07 | Solid-liquid separation device for preparing light calcium carbonate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220736685U (en) |
-
2023
- 2023-09-07 CN CN202322426496.6U patent/CN220736685U/en active Active
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