CN220546855U - Continuous pulping and purifying system - Google Patents
Continuous pulping and purifying system Download PDFInfo
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- CN220546855U CN220546855U CN202321502212.0U CN202321502212U CN220546855U CN 220546855 U CN220546855 U CN 220546855U CN 202321502212 U CN202321502212 U CN 202321502212U CN 220546855 U CN220546855 U CN 220546855U
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- pulping
- kettle
- slurry
- liquid
- beating
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- 238000004537 pulping Methods 0.000 title claims abstract description 52
- 239000002002 slurry Substances 0.000 claims abstract description 42
- 239000007787 solid Substances 0.000 claims abstract description 34
- 239000002904 solvent Substances 0.000 claims abstract description 22
- 239000012452 mother liquor Substances 0.000 claims abstract description 9
- 239000012264 purified product Substances 0.000 claims abstract description 9
- 239000012043 crude product Substances 0.000 claims abstract description 8
- 238000010009 beating Methods 0.000 claims description 35
- 238000000746 purification Methods 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003883 substance clean up Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model provides a continuous pulping and purifying system which comprises a multistage pulping and purifying device, wherein the pulping and purifying device sequentially comprises a pulping kettle and a liquid-solid separator connected with the pulping kettle through a slurry transfer pipeline; the outlet of each stage of the liquid-solid separator is connected to the inlet of the pulping kettle at the next stage; the top of the pulping kettle is provided with a crude product inlet and a solvent inlet respectively, the bottom of the pulping kettle is provided with a slurry outlet, and the slurry outlet is communicated with the slurry transfer pipeline; the bottom of the liquid-solid separator is provided with a mother liquor outlet and a purified product outlet, the side wall of the liquid-solid separator is provided with a slurry inlet, and the slurry inlet is communicated with the slurry transfer pipeline. According to the continuous pulping and purifying system provided by the utility model, through the multistage pulping and purifying devices connected in series, different solvents can be added into each stage, and the characteristic that impurities have good solubility in different solvents is utilized, so that the multistage purifying effect is realized, and the purifying effect is improved.
Description
Technical Field
The utility model relates to the technical field of compound purification, in particular to a continuous pulping purification system.
Background
In the fine chemical production, there is a purification step, especially the purification of crystals, and beating operation is performed at this time, so that multistage purification is achieved by utilizing the difference that the solubility of substances in different solvents is poor, but the solubility of impurities in different solvents is good.
However, the pulping and purifying in the current market are only intermittent kettles, and the operation of changing different solvents is complicated. For example, chinese patent CN216260317U discloses a compound beating purification device, which can sufficiently mix liquid and solid phases, and improve the purification effect. However, if the solvent is to be replaced and the material is fed and discharged, the purification efficiency is affected.
Disclosure of Invention
The utility model aims at the defects of the prior art and provides a continuous pulping and purifying system.
The utility model adopts the following technical scheme for solving the technical problems:
the continuous pulping and purifying system comprises a multistage pulping and purifying device, wherein the pulping and purifying device sequentially comprises a pulping kettle and a liquid-solid separator connected with the pulping kettle through a slurry transfer pipeline; the outlet of each stage of the liquid-solid separator is connected to the inlet of the pulping kettle at the next stage.
Further, the top of the beating kettle is provided with a crude product inlet and a solvent inlet respectively, the bottom of the beating kettle is provided with a slurry outlet, and the slurry outlet is communicated with the slurry transfer pipeline.
Further, a mother liquor outlet and a purified product outlet are arranged at the bottom of the liquid-solid separator, a slurry inlet is arranged at the left end of the liquid-solid separator, and the slurry inlet is communicated with the slurry transfer pipeline.
Further, the stirring paddle of the beating kettle is in the form of one of an anchor type, a frame type, a spiral belt type and a propelling type.
Further, the lower end socket of the beating kettle is in the form of an elliptic end socket, a butterfly end socket or a conical end socket.
Further, the beating kettle is provided with a jacket or coil arrangement to operate at low or high temperatures.
Further, the liquid-solid separator is one of a horizontal spiral sedimentation centrifuge, a vertical disc centrifuge and a vacuum filter.
Compared with the prior art, the utility model has the following technical advantages:
according to the continuous pulping and purifying system provided by the utility model, through the multistage pulping and purifying devices connected in series, different solvents can be added into each stage, and the characteristic that impurities have good solubility in different solvents is utilized, so that the multistage purifying effect is realized, and the purifying effect is improved.
The continuous pulping and purifying system provided by the utility model adopts the combination of conventional equipment, has simple equipment and strong replaceability, and is convenient to maintain and manage; the device has wide application, and the same device can be used for pulping and purifying different materials; continuous production, easy realization of automation, large processing capacity and high production efficiency.
Drawings
FIG. 1 is a schematic diagram of the continuous beating purification system of the present utility model;
wherein the reference numerals are as follows:
a pulping kettle 1; a crude product inlet 11; a solvent inlet 12; a slurry outlet 13; a slurry transfer pipe 2; a liquid-solid separator 3; a slurry inlet 31; a mother liquor outlet 32; purified product outlet 33.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, the embodiment provides a continuous pulping and purifying system, which comprises a multi-stage pulping and purifying device, wherein the pulping and purifying device sequentially comprises a pulping kettle 1 and a liquid-solid separator 3 connected with the pulping kettle 1 through a slurry transfer pipeline 2; the outlet of each stage of the liquid-solid separator 3 is connected to the inlet of the pulping kettle 1 at the next stage.
In this embodiment, a crude product inlet 11 and a solvent inlet 12 are respectively disposed at the top of the beating kettle 1, a slurry outlet 13 is disposed at the bottom of the beating kettle 1, and the slurry outlet 13 is communicated with the slurry transfer pipeline 2.
In this embodiment, a mother liquor outlet 32 and a purified product outlet 33 are provided at the bottom of the liquid-solid separator 3, a slurry inlet 31 is provided on the side wall of the liquid-solid separator 3, and the slurry inlet 31 is communicated with the slurry transfer pipe 2.
In this embodiment, the stirring paddle of the beating kettle 1 is one of an anchor type, a frame type, a spiral belt type and a propelling type.
In this embodiment, the lower end socket of the beating kettle 1 is an elliptical end socket, a butterfly end socket or a conical end socket.
In this embodiment, the beating kettle 1 is provided with a jacket or coil arrangement to operate at low or high temperatures.
In this embodiment, the liquid-solid separator 3 is one of a horizontal spiral decanter centrifuge, a vertical disk centrifuge, and a vacuum filter.
The working process of the continuous pulping and purifying system provided by the embodiment is as follows:
when in use, solids to be washed and solvent enter the pulping kettle 1 through the crude product inlet 11 and the solvent inlet 12 respectively, liquid-solid two phases are fully mixed in the pulping kettle 1 to form slurry, the slurry enters the liquid-solid separator 3 through the slurry transfer pipeline 2, liquid-solid separation is completed in the liquid-solid separator 3, liquid phase is discharged from the mother liquor outlet 32, and solid phase particles are discharged from the purified product outlet 33 after washing.
Example 2
The embodiment provides a continuous pulping and purifying system, which comprises three-stage pulping and purifying devices connected in series, wherein each pulping and purifying device sequentially comprises a pulping kettle 1 and a liquid-solid separator 3 connected with the pulping kettle 1 through a slurry transfer pipeline 2; the outlet of each stage of the liquid-solid separator 3 is connected to the inlet of the pulping kettle 1 at the next stage; wherein, the first stage uses solvent A, and the second and third stages use solvent B.
In this embodiment, a crude product inlet 11 and a solvent inlet 12 are respectively disposed at the top of the beating kettle 1, a slurry outlet 13 is disposed at the bottom of the beating kettle 1, and the slurry outlet 13 is communicated with the slurry transfer pipeline 2.
In this embodiment, a mother liquor outlet 32 and a purified product outlet 33 are provided at the bottom of the liquid-solid separator 3, a slurry inlet 31 is provided on the side wall of the liquid-solid separator 3, and the slurry inlet 31 is communicated with the slurry transfer pipe 2.
In the embodiment, the lower end socket of the beating kettle 1 is an elliptical end socket, and the stirring paddle is a ribbon type mechanical stirring paddle;
in this embodiment, the beating kettle 1 is provided with a jacket, and the temperature control of the beating operation is realized through the temperature of the working medium in the jacket.
In this embodiment, the liquid-solid separator 3 is a horizontal decanter centrifuge.
The working process of the continuous pulping and purifying system provided by the embodiment is as follows:
when in use, the solid crude raw material and the solvent are respectively added into the beating kettle 1 through a crude product inlet 11 and a solvent inlet 12; the liquid-solid two phases are fully mixed in the beating kettle 1, and then are input into a horizontal sedimentation screw centrifuge through a slurry transfer pipeline 2, the liquid-phase mother liquor is discharged from a mother liquor outlet 32, the solid phase is input into the beating kettle 1 at the next stage through a purified product outlet 33, the solvent is input into the beating kettle 1 through a solvent inlet 12, and then is separated through a liquid-solid separator 3 and then is input into the next stage; finally, the washed material is obtained from the purified product outlet 33.
Wherein, the pulping operation temperature is-20 to 80 ℃; the beating operation pressure is micro-positive pressure, and the beating kettle 1 is connected with inert gas shielding gas of 50-200 Pa nitrogen; the pulping purification is continuous operation, the material treatment capacity is 2-10 m3/h, and the liquid-solid ratio of the treated material is 2-10:1.
Example 3
The difference between this embodiment and the above embodiment 2 is that the lower end socket of the beating kettle 1 is a conical end socket, and the stirring paddle is a propelling stirring paddle; the beating kettle 1 is operated at normal temperature, a jacket or a coil pipe is not arranged, and the operating pressure is normal pressure.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (7)
1. The continuous pulping and purifying system is characterized by comprising a multistage pulping and purifying device, wherein the pulping and purifying device sequentially comprises a pulping kettle (1) and a liquid-solid separator (3) connected with the pulping kettle (1) through a slurry transfer pipeline (2); the outlet of each stage of the liquid-solid separator (3) is connected to the inlet of the pulping kettle (1) at the next stage.
2. Continuous beating purification system according to claim 1, characterized in that the top of the beating kettle (1) is provided with a crude product inlet (11) and a solvent inlet (12), respectively, the bottom of the beating kettle (1) is provided with a slurry outlet (13), and the slurry outlet (13) is communicated with the slurry transfer pipeline (2).
3. Continuous pulping purification system according to claim 1, characterized in that the bottom of the liquid-solid separator (3) is provided with a mother liquor outlet (32) and a purified product outlet (33), that the side wall of the liquid-solid separator (3) is provided with a slurry inlet (31), and that the slurry inlet (31) communicates with the slurry transfer pipe (2).
4. Continuous beating purification system according to claim 1, characterized in that the stirring paddles of the beating kettle (1) are in the form of one of anchor, frame, ribbon, propelling.
5. Continuous beating purification system according to claim 1, characterized in that the lower head of the beating kettle (1) is in the form of an elliptical head, a butterfly head or a conical head.
6. Continuous beating purification system according to claim 1, characterized in that the beating kettle (1) is provided with a jacket or coil arrangement to operate at low or high temperature.
7. The continuous pulping purification system of claim 1, wherein the liquid-solid separator (3) is one of a horizontal screw decanter centrifuge, a vertical disk centrifuge, and a vacuum filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321502212.0U CN220546855U (en) | 2023-06-13 | 2023-06-13 | Continuous pulping and purifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321502212.0U CN220546855U (en) | 2023-06-13 | 2023-06-13 | Continuous pulping and purifying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220546855U true CN220546855U (en) | 2024-03-01 |
Family
ID=90010445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321502212.0U Active CN220546855U (en) | 2023-06-13 | 2023-06-13 | Continuous pulping and purifying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220546855U (en) |
-
2023
- 2023-06-13 CN CN202321502212.0U patent/CN220546855U/en active Active
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