CN115634499A - Rotational flow shearing slag removal type solid-liquid separation device and use method thereof - Google Patents
Rotational flow shearing slag removal type solid-liquid separation device and use method thereof Download PDFInfo
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- CN115634499A CN115634499A CN202211287344.6A CN202211287344A CN115634499A CN 115634499 A CN115634499 A CN 115634499A CN 202211287344 A CN202211287344 A CN 202211287344A CN 115634499 A CN115634499 A CN 115634499A
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- filter assembly
- slag removal
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- 239000007788 liquid Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000000926 separation method Methods 0.000 title claims abstract description 19
- 239000002893 slag Substances 0.000 title claims abstract description 13
- 238000010008 shearing Methods 0.000 title claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 28
- 238000005192 partition Methods 0.000 claims abstract description 11
- 238000011010 flushing procedure Methods 0.000 claims abstract description 9
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000013049 sediment Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 24
- 238000011001 backwashing Methods 0.000 abstract description 14
- 238000004140 cleaning Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009826 distribution Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 29
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 20
- 238000012360 testing method Methods 0.000 description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 11
- 239000004408 titanium dioxide Substances 0.000 description 10
- 239000002699 waste material Substances 0.000 description 9
- 238000005406 washing Methods 0.000 description 8
- 239000006227 byproduct Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005660 chlorination reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
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Abstract
The invention discloses a rotational flow shearing slag removal type solid-liquid separation device and a using method thereof, belonging to the technical field of solid-liquid separation equipment and comprising a tank body, a filtering component, a flow guide pipe, a partition plate, fluid conveying equipment and power equipment, wherein the partition plate is positioned in the tank body and divides the tank body into two chambers; the power equipment drives the guide pipe to rotate, and the fluid conveying equipment provides back-flushing fluid for the buffer cavity. The filter assembly of the invention rotates continuously, the fluid can impact and clean the outer wall of the filter element continuously in the back washing process, and simultaneously, the fluid distribution amount of each filter hole on the filter element can be changed, so that the instantaneous flow of part of the filter holes is increased, and the cleaning effect of the whole device is better.
Description
Technical Field
The invention relates to the technical field of solid-liquid separation equipment, also belongs to the technical field of filtering equipment, and particularly relates to a rotational flow shearing slag removal type solid-liquid separation device and a using method thereof.
Background
At present, the domestic industry for preparing titanium dioxide by a chlorination method has the problems of low product quality, large waste discharge and the like. Titanium dioxide is an ultrafine particle material which takes titanium dioxide as a main component, is processed into a particle size of 200 nm-350 nm by a chemical method, and is coated with a plurality of components or few components of other inorganic matters and organic matters. The acidic mother liquor used for acidolysis in the production process for preparing titanium dioxide by the chlorination method is polluted by particles and other impurities generated in the preparation engineering, and becomes acidic waste liquor after the acidolysis process is completed. The waste liquid contains high-concentration hydrochloric acid waste liquid and extremely fine titanium dioxide, colloid and other particles, and if the waste liquid is directly discharged without being treated, the environment is seriously polluted, and unnecessary resource waste is caused. In the production process of titanium dioxide by chlorination method, after crude titanium tetrachloride generated by a chlorination furnace is liquefied by three-stage condensation, the residual tail gas contains a large amount of N 2 、TiCl 4 、HCl、CO、CO 2 And the industrial treatment process of firstly washing with water and then washing with alkali is generally adopted, and most TiCl is absorbed in the washing process 4 HCl, etc., thereby producing hydrochloric acid as a by-product. At present, about 0.4t of byproduct hydrochloric acid with the concentration of 20-27% is generated when 1t of titanium dioxide is produced. As water absorbs SiCl in tail gas besides HCl during spraying and water washing 4 、TiCl 4 And a small amount of other metal chlorides, which are hydrolyzed when meeting water, so that the byproduct hydrochloric acid contains 0.1-1% of colloid impurities, including silicic acid, orthosilicic acid, tiO2 and the like, so that a byproduct acid system contains white colloid, which is difficult to accept by downstream customers and market sale, and influences the normal production of titanium dioxide for a long time. Therefore, it is necessary to perform solid-liquid separation.
The existing solid-liquid separation equipment is numerous, the impurity content is high in the industry, and a filter screen is easy to block, so a backwashing filter is usually adopted, the filter screen is fixed in a container, a solution penetrates through the filter screen to be purified, the operation is subject to the front-back pressure difference of the filter screen, and the backwashing is started to remove impurities when the pressure difference is high, so that the disassembly-free cleaning is realized, but the cleaning effect is poor, the cleaning time is usually longer, and the impurities are not thoroughly cleaned, for example, the situation that the impurities are suspended on the outer wall of the filter screen after being separated from the filter holes often occurs, and the impurities suspended after being fed with the liquid again quickly enter the filter holes again under the disturbance of the fluid to cause the blocking.
Disclosure of Invention
In order to solve at least one of the above problems, the present invention provides a rotational flow shearing slag-cleaning type solid-liquid separation apparatus and a method for using the same, wherein a filter assembly of the apparatus continuously rotates to make fluid continuously impact an outer wall of a filter element, thereby cleaning impurities on the outer wall of the filter element.
The specific scheme of the invention is as follows:
the utility model provides a sediment formula solid-liquid separation equipment is cut to whirl, includes jar body and the filter assembly who is located jar internal, and filter assembly includes at least one filter element, its characterized in that still includes
The partition plate is positioned in the tank body and divides the tank body into two chambers, and the two chambers are respectively a filter chamber and a buffer chamber; the filter assembly is positioned in the filter cavity, the filter cavity is provided with a first connector and a first valve for opening and closing the first connector, the buffer cavity is provided with a second connector and a second valve for opening and closing the second connector, and the bottom of the filter cavity is provided with a third connector and a third valve for opening and closing the third connector;
the honeycomb duct penetrates through the partition plate and is in rotary sealing connection with the partition plate, one end of the honeycomb duct extends into the filter cavity and is communicated with the filter assembly, and the other end of the honeycomb duct is communicated with the buffer cavity;
the power equipment is used for driving the guide pipe to rotate;
a fluid delivery device for providing fluid to the buffer chamber.
As a specific embodiment of the present invention, the filter element is a filter element, and the filter element is radially distributed along the flow guide pipe.
Furthermore, the filter assembly at least comprises two groups of filter elements, each group of filter elements is arranged along the circumference of the flow guide pipe, and the filter elements in the two adjacent groups of filter elements are axially arranged at intervals along the flow guide pipe.
In one embodiment of the present invention, the filter element is a filter disc, and the filter disc is provided with filter holes on the upper side or the lower side.
Furthermore, the included angle between the filter disc and the central line of the flow guide pipe is an acute angle.
Further, the filter disc is spiral.
The application method of the rotational flow shearing slag removal type solid-liquid separation device comprises the following steps in the back washing process: the filter assembly is synchronously rotated in the back washing process or in the back washing later stage. Impurities on the surface of the filter component are removed through the rotation action.
Further, the rotation process includes both forward rotation of the filter assembly and reverse rotation of the filter assembly, thus allowing full face flushing of the outer wall of the filter assembly.
Still further, the filter assembly is rotated in a reciprocating forward and reverse direction.
Compared with the prior art, the invention has the following advantages:
(1) The filter assembly rotates continuously, and the fluid impacts the outer wall of the filter element continuously in the back flushing process, so that impurities on the outer wall of the filter element are cleaned, the situation that the impurities are adhered to the periphery of the filter holes and quickly enter the filter holes under the fluid disturbance during later-stage filtration to cause the pressure difference of the filter assembly to be quickly increased is avoided.
(2) When the filter assembly rotates, the fluid distribution amount of each filter hole on the filter element can be changed, so that the instantaneous flow of part of the filter holes is increased (the more the flow distributed by the filter holes far away from the flow guide pipe is), the part of the filter holes can be cleaned more thoroughly, and the cleaning effect of the whole device is better.
Drawings
FIG. 1 is a graph showing the overall results of example 1 of the present invention;
FIG. 2 is a schematic view showing the construction of a filter module according to example 1 of the present invention;
FIG. 3 is a schematic view showing the construction of a filter assembly according to example 2 of the present invention;
FIG. 4 is a schematic structural view of a filter assembly according to example 3 of the present invention;
FIG. 5 is a schematic view showing the construction of a filter assembly according to example 4 of the present invention;
FIG. 6 is a schematic view showing the construction of a filter assembly according to example 5 of the present invention;
in the figure, a tank body 1, a filtering component 2, a partition plate 3, a flow guide pipe 4, a power device 5,
A filter cavity 11, a buffer cavity 12, a filter element 21, a first through hole 41,
A first port 111, a second port 112, a third port 113, a fourth port 114,
A first valve 121, a second valve 122, a third valve 123, and a fourth valve 124.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention
In the description of the present embodiments, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
In the present embodiment, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Example 1
Referring to fig. 1, fig. 1 is a diagram illustrating the overall result of the present invention. The cyclone shearing slag-removing type solid-liquid separation device comprises a tank body 1, a filtering component 2, a partition plate 3, a flow guide pipe 4 and power equipment 5. The partition plate 3 is arranged in the tank body 1 and divides the tank body 1 into an upper independent chamber and a lower independent chamber which are respectively a filter chamber 11 and a buffer chamber 12; filtering component 2 is arranged in filter chamber 11, the vertical setting of honeycomb duct 4, and the lower extreme of honeycomb duct 4 passes baffle 3 and rotates with baffle 3 to be connected, the upper end passes filter chamber 11 and rotates with the 11 walls of filter chamber to be connected, and simultaneously, honeycomb duct 4 both ends are sealed, and its one section that is located filter chamber 11 communicates with filtering component 2, one section that honeycomb duct 4 is located buffer chamber 12 is equipped with the first through-hole 41 that runs through the body, therefore, filter chamber 11 is through filtering component 2, honeycomb duct 4 communicates with buffer chamber 12, the fluid of two chambers can link up the flow. The side wall of the filter cavity 11 is provided with a first interface 111 and a first valve 121 for opening and closing the first interface 111, which is mainly used for controlling the raw material solution to enter the filter cavity 11; the bottom of the filter cavity 11 is provided with a third interface 113 and a third valve 123 for opening and closing the third interface 113, which is mainly used for discharging waste liquid containing high-concentration impurities during back washing; the buffer cavity 12 is provided with a second interface 112 and a second valve 122 for opening and closing the second interface 112, and the interface is mainly used for allowing the filtered clear liquid to flow out of the buffer cavity 12; a fourth port 114 and a fourth valve 124 for opening and closing the fourth port 114 are arranged on the buffer chamber 12; the fourth port 114 is connected to a fluid delivery device (not shown) for supplying backwash liquid to the buffer chamber 12, where the backwash liquid is filtered clean (contaminant free liquid). In addition, the upper end of the draft tube 4 extends out of the filter cavity 11 and is coaxially connected with the power equipment 5, and the power equipment is a variable speed motor and is used for driving the draft tube 4 to rotate so as to drive the filter assembly 2 to rotate together.
Specifically, please refer to fig. 2, wherein fig. 2 is a schematic structural diagram of the filter assembly according to the present embodiment. The filter assembly 2 in this embodiment comprises four sets of filter elements 21 arranged circumferentially along the flow conduit 3, each set of filter elements 21 having 16 cylindrical filter elements, each filter element being arranged radially along the flow conduit.
The normal filtering process of this embodiment is: the first valve 121 and the second valve 122 are opened, the third valve 123 and the fourth valve 124 are closed, and the fluid enters the filter chamber 11 from the first connector 111, then enters the filter element 21 and the draft tube 3 into the buffer chamber 12, and finally flows out through the second connector 112.
The backwash flow of this embodiment is: the first valve 121 and the second valve 122 are closed, the third valve 123 and the fourth valve 124 are opened, the filtered clear liquid is filled into the buffer chamber 12 by the fluid conveying equipment, and the fluid enters the filter chamber 11 along the draft tube 3 and the filter element 21 and finally flows out from the third interface 113.
In the back washing process, fluid reversely passes through the filter element to wash out impurities in the filter hole, part of the impurities are directly discharged from the third connector along with the fluid, part of the impurities are adhered beside the filter hole, the power device 5 is started to reciprocate the flow guide pipe 3 in the forward direction and the reverse direction, in the rotating process, the flow guide surface of the filter element is contacted with the fluid, the impurities on the outer wall of the filter element are washed by the fluid to fall off, and the water fluid is discharged from the third connector. The impurities after cleaning are prevented from being adhered to the periphery of the filter hole, and the impurities quickly enter the filter hole under the disturbance of the fluid during later filtration to cause the rapid rise of the differential pressure of the filter assembly; meanwhile, the fluid distribution amount of each filter hole on the filter element can be changed in the rotating process of the filter element, so that the instantaneous flow of part of the filter holes is increased (the more the flow distributed by the filter holes far away from the flow guide pipe is), the part of the filter holes are cleaned more thoroughly, the filter assembly can be cleaned more thoroughly in the two aspects, the single use time of the filter assembly is prolonged, and the backwashing frequency is reduced.
Example 2
The difference between the embodiment 2 and the embodiment 1 lies in the arrangement of the filter element 21 (filter core), please refer to fig. 3, fig. 3 is a schematic structural diagram of the filter assembly of the embodiment. In this embodiment, the filter assembly 2 also includes four sets of filter elements 21, the four sets of filter elements are arranged along the circumference of the flow guide pipe 3, each set of filter elements 21 has 16 cylindrical filter cores, each filter core is arranged along the radial direction of the flow guide pipe, but the filter elements in the two adjacent sets of filter elements are arranged at intervals along the axial direction of the flow guide pipe, i.e. staggered with each other, which is beneficial to the disturbance effect on the fluid when the filter elements rotate. Therefore, the time for rotating the whole filter element can be further shortened, and impurities on the outer wall of the filter element can be removed more quickly.
Example 3
The difference between the embodiment 3 and the embodiment 1 is that the filter assembly is different, please refer to fig. 4, fig. 4 is a schematic structural diagram of the filter assembly of this embodiment, in this embodiment, the filter element 21 is a disk-shaped filter disc, and both the upper side and the lower side of the filter disc are provided with filter holes.
Example 4
The difference between the embodiment 4 and the embodiment 3 is the arrangement of the filter assembly, please refer to fig. 5, fig. 5 is a schematic structural diagram of the filter assembly of this embodiment, in the filter assembly, an included angle between a central line of the filter disc and a central line of the draft tube is an acute angle, specifically 3 °.
Example 5
The filter element in example 5 is also a filter disc, but the filter disc is spiral shaped, as shown in fig. 6.
Testing of
Influence of (I) rotational speed on cleaning effect
The device of example 1 was used for testing, and the device was used to filter the waste acid as a by-product of titanium dioxide at a feed rate of 1m 3 And h, backwashing the filter assembly after a period of time when the pressure difference between the inlet and the outlet of the filter assembly reaches 0.25 MPa. During back flushing, the filtered clear liquid is used as a back flushing medium, and the flow is 3.6m 3 And h, the washing time is 2min, and the working period of the motor in the back washing process is 1min (15 s of forward rotation, 15s of pause, 15s of reverse rotation and 15s of pause). After washing, filtering by using the filtered clear liquid as a medium, wherein the filtering flow is (1 m) 3 H), filtering for 0min and 30min, and measuring the pressure difference between the inlet and the outlet of the filter assembly. The above steps were repeated with the motor speed as variable to determine the effect of the idle speed on the cleaning effect, the results are shown in table 1.
TABLE 1 statistical table of differential pressures of back-washed filter assemblies in example 1 at different rotation speeds
As can be seen from Table 1, during the secondary filtration, the pressure difference of the test examples 1-1 and 1-2 is the same at the initial moment and is larger than that of the test examples 1-3 and 1-4, which indicates that the test examples 1-1 and 1-2 still have impurities in the filter holes after the back washing, and the test examples 1-3 and 1-4 further remove the impurities in the filter holes after the rotation speed is increased, because the rotation causes the flow to be unevenly distributed in the filter holes, so that part of the filter holes are more measured and cleaned, and part of the impurities which cannot be flushed away under the low impact flow are removed, which indicates that the cleaning effect of the filter assembly can be improved at a certain rotation speed.
Compared with the pressure difference between 0min and 30min in the secondary filtration of the test example, the pressure difference is obviously increased in the test example 1-1, is slightly increased in the test examples 1-2 and 1-3, and is not increased by 1-4. Because the filtered clear liquid is used as a filter medium in the secondary filtration, the raw material does not have interceptable solid particles, so that no interceptable solid impurities are added to the outer wall of the filter element, and the obvious increase of the test example 1 indicates that more interceptable filter impurities are adsorbed outside the filter element, and the impurities are sucked into the filter holes again in the later stage to shorten the filtration period. This also indicates that rotating the filter assembly facilitates improved backwash.
(II) influence of arrangement of filter elements on cleaning effect
The device of the embodiment 1 and the device of the embodiment 2 are used for carrying out experiments, the sizes and the numbers of the filter holes of the filter components in the two devices are the same (the filter areas are the same), the device is firstly used for filtering the waste acid of the titanium dioxide byproduct, and the feeding rate is 1m 3 And h, backwashing the filter assembly after a period of time when the pressure difference between the inlet and the outlet of the filter assembly reaches 0.25 MPa. During back flushing, the filtered clear liquid is used as a back flushing medium, and the flow is 3.6m 3 And/h, selecting different washing time. After washing, filtering by using the filtered clear liquid as a medium, wherein the filtering flow is (1 m) 3 And h), filtering for 0min and 30min, and measuring the pressure difference at the inlet and the outlet of the filter assembly. Repeating the above steps with the rotation speed of the motor as variableAnd determining the influence of the non-rotating speed on the cleaning effect, wherein the result is shown in the table 2.
TABLE 2 statistics of differential pressure after different flushing times of the filter assembly
As can be seen from Table 2, when the backwashing time is 1min, the initial pressure difference of the secondary filtration of the embodiment 1 and the embodiment 2 is the same, which shows that the arrangement mode has no obvious influence on the removal of the impurities in the filtration pores; comparing the test example 2-1 with the test example 2-3, and comparing the test example 2-2 with the test example 2-4, it can be found that the pressure difference after the secondary filtration for 30min of the test examples 2-3, 2-4 is unchanged from the initial pressure difference, which indicates that the impurities of the filter element are completely cleaned, while the slightly increased pressure of the test examples 2-1, 2-2 indicates that the impurities capable of being intercepted still exist on the outer wall of the filter element, which indicates that the arrangement mode in the example 2 is more favorable for causing the fluid disturbance to remove the impurities on the outer wall of the filter element.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the embodiments of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a sediment formula solid-liquid separation equipment is cut to whirl, includes jar body and the filter assembly who is located jar internal, and filter assembly includes at least one filter element, its characterized in that still includes
The partition plate is positioned in the tank body and divides the tank body into two chambers, and the two chambers are respectively a filter chamber and a buffer chamber; the filter assembly is positioned in the filter cavity, the filter cavity is provided with a first connector and a first valve for opening and closing the first connector, the buffer cavity is provided with a second connector and a second valve for opening and closing the second connector, and the bottom of the filter cavity is provided with a third connector and a third valve for opening and closing the third connector;
the honeycomb duct penetrates through the partition plate and is in rotary sealing connection with the partition plate, one end of the honeycomb duct extends into the filter cavity and is communicated with the filter assembly, and the other end of the honeycomb duct is communicated with the buffer cavity;
the power equipment is used for driving the flow guide pipe to rotate;
a fluid delivery device for providing fluid to the buffer chamber.
2. The rotational flow shear slag removal type solid-liquid separation device according to claim 1, wherein the filter element is a filter element, and the filter element is radially distributed along the flow guide pipe.
3. The cyclonic shear slag removal type solid-liquid separator as claimed in claim 2, wherein the filter assembly comprises at least two sets of filter elements, each set of filter elements being circumferentially disposed along the flow conduit, and the filter elements of two adjacent sets of filter elements being axially spaced along the flow conduit.
4. A cyclonic shear slag removal type solid-liquid separator as claimed in claim 1, wherein the filter elements are filter discs, and the filter discs are provided with filter holes on the upper or lower side thereof.
5. The rotational flow shearing slag removal type solid-liquid separation device according to claim 4, wherein an included angle between the filter disc and the center line of the flow guide pipe is an acute angle.
6. The rotational flow shearing slag removing type solid-liquid separation device according to claim 4, wherein the filter disc is spiral.
7. A method of using a cyclonic shear slag removal type solid-liquid separation device as claimed in any one of claims 1 to 6, comprising a backwash stage, the backwash stage comprising rotating the filter assembly during a flushing operation.
8. The method for using a cyclonic shear slag removal solid-liquid separation device according to claim 7, wherein the rotating filter assembly comprises a forward rotating filter assembly and a reverse rotating filter assembly.
9. The method of using a cyclonic shear slag removal solid-liquid separation device as defined in claim 8, wherein said rotating said filter assembly comprises circulating forward rotating filter assemblies, and counter rotating filter assemblies.
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