CN113856909B - Electrostatic solid removal separation device and method - Google Patents
Electrostatic solid removal separation device and method Download PDFInfo
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- CN113856909B CN113856909B CN202111473049.5A CN202111473049A CN113856909B CN 113856909 B CN113856909 B CN 113856909B CN 202111473049 A CN202111473049 A CN 202111473049A CN 113856909 B CN113856909 B CN 113856909B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C5/00—Separating dispersed particles from liquids by electrostatic effect
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Abstract
The invention discloses an electrostatic solid-removing separation device, which is provided with a path for flowing a solid-liquid mixed medium, a plurality of electric field cavities distributed on the path and glass balls filled in the electric field cavities, wherein the glass balls are electrified to adsorb the solid medium, and the solid medium and a replacement liquid are discharged after power failure. The invention also discloses an electrostatic solid removal separation method. The invention can form a plurality of electric field cavity glass balls to form different direction polarities, adsorbs different particles and metal ions in liquid, and has strong adsorption capacity, high solid removal efficiency and large solid removal flow.
Description
Technical Field
The invention relates to the technical field of solid-liquid separation. More particularly, the invention relates to an electrostatic de-solid separation device and method.
Background
For the solid-liquid separation technology, in order to ensure that a separation device with high solid removal rate and high flow can be obtained, a configuration mode of a plurality of electrostatic separators is generally adopted, the electrostatic separators generally comprise a central electrode and a ring electrode, filling materials are filled between the central electrode and the ring electrode for electrostatic adsorption, and when one separator is offline, the other separators work online. Therefore, the outlet flow of the whole solid-liquid separation system can be ensured to be continuous and stable. In normal operation, a plurality of separators are provided to meet the use requirements of flow rate and separation accuracy, but the number of valves and meters provided in this way is also large, and energy loss increases.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide an electrostatic solid removal separation device and method, which can form a plurality of electric field cavity glass balls to form different direction polarities, adsorb different particles and metal ions in liquid, and have strong adsorption capacity, high solid removal efficiency and large solid removal flow.
To achieve these objects and other advantages in accordance with the present invention, there is provided an electrostatic precipitation separation apparatus having a path through which a solid-liquid mixed medium flows, a plurality of electric field chambers distributed on the path, and glass beads filled in the electric field chambers, wherein the solid medium is adsorbed by the glass beads when power is applied, and the solid medium together with a replacement liquid is discharged when power is not applied.
Preferably, the method comprises the following steps:
the device comprises a shell, a liquid inlet, a liquid outlet, a replacement liquid inlet, a replacement liquid outlet, a metal filter screen, a first solid-liquid permeation hole and a second solid-liquid permeation hole, wherein the lower part of the shell is provided with the solid-liquid inlet, the upper part of the shell is provided with the liquid outlet, the bottom of the shell is provided with the replacement liquid inlet, and the top of the shell is provided with the replacement liquid outlet;
the mounting assembly comprises a lower conductive plate, a lower insulating plate, an upper conductive plate and an upper insulating plate, wherein the lower conductive plate and the upper conductive plate are provided with second solid-liquid through holes, the lower insulating plate and the upper insulating plate are provided with an axis groove and a coaxial annular inner mounting groove, and the lower conductive plate and the upper conductive plate are provided with coaxial annular outer mounting grooves;
the solid-liquid transmission device comprises a positive electrode plate, a negative electrode plate and a power supply, wherein the positive electrode plate and the negative electrode plate are both annular plate bodies, third solid-liquid transmission holes are formed in the positive electrode plate and the negative electrode plate, the positive electrode plate and the negative electrode plate are respectively arranged in an outer mounting groove and an inner mounting groove, the power supply supplies power to the positive electrode plate and the negative electrode plate, a binding post of the positive electrode plate is grounded, and the binding post of the negative electrode plate is isolated and insulated from the shell and the positive electrode plate;
the feeding pipe comprises an integrally formed annular pipe body and a plurality of vertical diverging pipe bodies, the annular pipe body is communicated with the solid-liquid inlet, the plurality of vertical diverging pipe bodies are arranged between the positive electrode plate and the shell, and the plurality of vertical diverging pipe bodies are provided with fourth solid-liquid through holes;
the central discharging shaft is arranged in the shaft center groove, the bottom of the central discharging shaft is closed, the middle of the central discharging shaft is provided with a fifth solid-liquid through hole, the top of the central discharging shaft penetrates through the upper conductive plate, and the upper insulating plate is communicated with the liquid outlet;
glass balls distributed between the positive electrode plate and the negative electrode plate, between the negative electrode plate and the central discharging shaft, between the lower insulating plate and the shell, wherein the specification of the glass balls is as follows: can see through the second solid-liquid passes through the hole, can not see through first solid-liquid passes through hole, third solid-liquid passes through hole, fifth solid-liquid passes through the hole.
Preferably, the lower conductive plate and the upper conductive plate are metal plates, and the lower insulating plate and the upper insulating plate are ceramic plates.
Preferably, the lower conductive plate is welded to the inner wall of the housing, and the upper conductive plate is detachably connected to the housing by a high-strength bolt.
Preferably, the shell is of an open-close type, and the outer wall of the shell is provided with a flange.
Preferably, the size of the glass ball is 3-4 mm, and the filling density is 80% of the space.
The electrostatic solid removal separation method and the device which is applied comprise the following steps:
a separation step:
starting the power supply to electrify the positive electrode plate and the negative electrode plate;
closing the replacement liquid inlet and the replacement liquid outlet;
feeding a solid-liquid mixed medium from a solid-liquid inlet, allowing the solid-liquid mixed medium to enter the plurality of electric field cavities from the fourth solid-liquid through hole and the third solid-liquid through hole, adsorbing the solid medium by the glass balls, and allowing the liquid medium to enter the central discharging shaft from the fifth solid-liquid through hole and be discharged from the liquid outlet;
a replacement step:
turning off the power supply to ensure that the positive electrode plate and the negative electrode plate are powered off;
closing the solid-liquid inlet and the liquid outlet;
and the replacement liquid enters the shell from the replacement liquid inlet, and the solid medium and the replacement liquid are discharged from the replacement liquid outlet from the second solid-liquid through hole and the first solid-liquid through hole.
The invention at least comprises the following beneficial effects:
firstly, the glass balls are filled in the electric field cavities, so that the solid medium and metal ions have good adsorption effect, and the glass balls have high polarity and long adsorption path under the same voltage, and can efficiently remove the solid and metal ions in the liquid.
Secondly, the feeding pipe provided by the invention can effectively enable a solid-liquid mixed medium to uniformly penetrate through the glass balls, and the feeding flow laminar flow flows through the power plant cavity along the vertical direction of the electrode plate, so that the solid in the liquid is uniformly adsorbed on each glass ball, and the adsorption efficiency is improved.
Thirdly, a plurality of fifth solid-liquid penetrating holes are formed in the middle of the central discharging shaft, and because particles in liquid are influenced by gravity in the flowing process, the particles on the bottom layer are more, so that the particles are not beneficial to being separated from the solid particles when excessive deposition occurs, and the situation can be effectively avoided by arranging the middle discharging shaft, so that the liquid medium at the outlet is cleaner.
Fourthly, the positive electrode plate and the negative electrode plate are both of a multi-long-strip-hole structure, so that liquid can smoothly pass through the electrode plates, and small holes cannot be blocked by the glass balls, so that the liquid cannot flow out.
And according to the upper insulating plate and the lower insulating plate with different thicknesses, the voltage of an electric field can be better improved, the field intensity is improved, the adsorption capacity of the glass balls is improved, and the solid removal is facilitated.
Fifthly, the multiple electric field cavities provided by the invention can effectively save cost, and can save very large cost no matter the number of valves and operation control.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is a schematic view of the feed tube of the present invention;
FIG. 3 is a schematic view of the structure of a negative electrode plate of the present invention;
fig. 4 is a schematic structural view of a positive electrode plate of the present invention;
FIG. 5 is a schematic view of the structure of the lower insulating plate of the present invention;
fig. 6 is a schematic structural diagram of a lower conductive plate of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
The invention provides an electrostatic solid-removing separator, which comprises a path for flowing a solid-liquid mixed medium, a plurality of electric field cavities distributed on the path, and glass balls filled in the electric field cavities, wherein the glass balls are electrified to adsorb the solid medium, and the solid medium and a replacement liquid are discharged after the power is cut off.
In the above technical scheme, the flow of the solid-liquid mixed medium can be provided with a pipe body for facilitating flow guiding, or only provided with a feed inlet and a discharge outlet, the electric field cavity can be formed by various formed planar structures, the electric field cavity is made of materials which are easy to conduct electricity and wear and corrosion, certain strength is required, for example, 316L materials are adopted, different electric fields are formed after the electric field is switched on, the filling rate of the glass balls can be 80%, the glass balls are made of silica materials containing potassium or sodium, the outer surfaces of the glass balls are smooth, the sizes of the glass balls are consistent, the higher the precision is, the better the glass balls are, the specification of the glass balls is set to be incapable of being discharged from the discharge outlet or incapable of penetrating through the pipe body, the solid medium attached to the glass balls is desorbed after the power failure, a replacement liquid inlet and a replacement liquid outlet can be arranged, the replacement liquid is wrapped by the solid medium for discharging, and one-time of solid-liquid separation is completed.
The invention arranges a plurality of electric field cavities on the path of solid-liquid flow, the glass ball forms different direction polarities after being electrified, the glass ball adsorbs the solid medium to realize solid-liquid separation, clean liquid is discharged, the glass ball is desorbed with the solid medium after being powered off, and the solid medium is discharged under the drive of the replacement liquid.
In another embodiment, as shown in fig. 1 to 6, the method includes:
the device comprises a shell 1, a solid-liquid inlet 2 is arranged at the lower part of the shell, a liquid outlet 3 is arranged at the upper part of the shell, a replacement liquid inlet 4 is arranged at the bottom of the shell, a replacement liquid outlet 5 is arranged at the top of the shell, metal filter screens are arranged at the replacement liquid inlet 4 and the replacement liquid outlet 5 respectively, the metal filter screens are provided with first solid-liquid through holes, and the inner wall of the shell 1 is a conductive surface;
the mounting assembly comprises a lower conductive plate 6, a lower insulating plate 7, an upper conductive plate 8 and an upper insulating plate 9, wherein the lower conductive plate 6 and the upper conductive plate 8 are provided with second solid-liquid through holes 10, the lower insulating plate 7 and the upper insulating plate 9 are provided with an axis groove and coaxial annular inner mounting grooves, and the lower conductive plate 6 and the upper conductive plate 8 are provided with coaxial annular outer mounting grooves;
the solid-liquid separator comprises a positive electrode plate 11, a negative electrode plate 12 and a power supply, wherein the positive electrode plate 11 and the negative electrode plate 12 are both annular plate bodies, the positive electrode plate 11 and the negative electrode plate 12 are both provided with third solid-liquid through holes 13, the positive electrode plate 11 and the negative electrode plate 12 are respectively arranged in the outer mounting groove and the inner mounting groove, the power supply supplies power to the positive electrode plate 11 and the negative electrode plate 12, a binding post of the positive electrode plate 11 is grounded, and the binding post of the negative electrode plate 12 is isolated and insulated from the shell 1 and the positive electrode plate 11;
a feeding pipe 14, which includes an integrally formed annular pipe body and a plurality of vertical diverging pipe bodies, the annular pipe body is communicated with the solid-liquid inlet 2, the plurality of vertical diverging pipe bodies are disposed between the positive electrode plate 11 and the casing 1, and the plurality of vertical diverging pipe bodies are provided with fourth solid-liquid passing holes 15;
the central discharging shaft 16 is arranged in the axis groove, the bottom of the central discharging shaft 16 is closed, the middle part of the central discharging shaft is provided with a fifth solid-liquid through hole, and the top of the central discharging shaft penetrates through the upper conductive plate 8 and the upper insulating plate 9 to be communicated with the liquid outlet 3;
In the technical scheme, the solid-liquid inlet 2 and the liquid outlet 3 are arranged one above the other, so that the solid-liquid mixed medium is fully contacted with the glass balls 17 in the shell 1 in the flowing process, the replacement liquid inlet 4 and the replacement liquid outlet 5 are arranged on the lower end enclosure and the upper end enclosure one above the other, so that the replacement liquid fully wraps the desorbed solid medium, the first solid-liquid permeation hole can permeate the solid medium and can not permeate the glass balls 17, so that the glass balls 17 can be conveniently left in the shell 1, the lower conductive plate 6 and the upper conductive plate 8 can be made of conductive materials such as 316L, copper, titanium and the like, the lower insulating plate 7 and the upper insulating plate 9 can be made of insulating ceramics, the lower conductive plate 6 can be fixedly arranged on the shell 1, for example, welding and other integrated forming modes are adopted, the lower conductive plate 6 is used for fixing the bottom end of the positive electrode plate 11, the lower insulating plate 7 is arranged on the lower conductive plate 6, the device is used for fixing a negative electrode plate 12 and the bottom end of a central discharging shaft 16, an upper insulating plate 9 is covered at the top end of the negative electrode plate 12, an upper conductive plate 8 is pressed at the top end of the upper insulating plate 9 again to realize a fastening structure which is arranged layer by layer, the locking strength can be adjusted through an adjusting bolt to determine the compression strength, a second solid-liquid transmission hole 10 can transmit a solid medium and can transmit a glass ball 17, so that the glass ball 17 can smoothly enter an electric field cavity, a positive electrode plate 11 and the negative electrode plate 12 are installed in a clamping way, an annular plate body forms a plurality of electric field cavities, the plurality of electric field cavities comprise electric field cavities formed between a positive plate and a negative electrode plate and between the negative electrode plate and a central shaft (with a positive point), a binding post of the positive electrode plate 11 is connected with the positive electrode plate 11, the binding post of the positive electrode plate 11 is directly fixed on a shell 1, the binding post of the negative electrode plate is in soft connection with the negative electrode plate 12 through a copper woven belt, and the binding post of the negative electrode is connected with the shell 1, Positive electrode plates 11 are isolated by a high-voltage insulating ceramic sheath, a third solid-liquid permeable hole 13 can permeate a solid medium and can not permeate the glass balls 17 to ensure that each electric field cavity is provided with the glass balls 17, a direct-current high-voltage power supply is used for power input, a feed pipe 14 is communicated with a solid-liquid inlet 2 and a liquid outlet 3, an annular pipe body of the feed pipe 14 uniformly introduces the solid-liquid inlet 2 into the same horizontal plane of a shell 1, vertical divergent pipe bodies of the feed pipe 14 are uniformly distributed to uniformly disperse a solid-liquid mixed medium in the shell 1 for feeding in multiple paths, a fourth solid-liquid permeable hole 15 can permeate the solid medium and can not permeate the glass balls 17 to ensure that the solid medium can enter the shell 1 and can not enter the feed pipe 14, a central discharge shaft 16 is arranged in an axial groove, a fifth solid-liquid permeable hole is arranged in the middle part and can permeate the solid medium and can not permeate the glass balls 17, the glass balls 17 are prevented from entering the central discharging shaft 16, liquid media after solid-liquid separation are discharged from the central discharging shaft 16, the glass balls 17 are identical in diameter and smooth in surface, are distributed in each electric field cavity, adsorb the solid media when being powered on, and desorb the solid media when being powered off.
In another technical solution, the lower conductive plate 6 and the upper conductive plate 8 are metal plates, and the lower insulating plate 7 and the upper insulating plate 9 are ceramic plates. The lower conductive plate 6 and the upper conductive plate 8 are made of metal plates and are easy to prefabricate, and the lower insulating plate 7 and the upper insulating plate 9 are made of ceramic plates such as alumina ceramics, so that the insulating effect is good, the heat transfer performance is good, the hardness is high, the price is low, and the production and the manufacture are easy.
In another technical scheme, the lower conductive plate 6 is welded on the inner wall of the shell 1, and the upper conductive plate 8 is detachably connected with the shell 1 through a high-strength bolt. The 6 welded modes of lower current conducting plate are fixed, and the 8 detachable modes of going up the current conducting plate are fixed, and the on-the-spot dismouting of being convenient for, fixed polar plate that can be fine prevents at large-traffic feeding and replacement in-process, causes the polar plate to rock, satisfies long period operation.
In another technical scheme, the shell 1 is an open-close type, and the outer wall of the shell 1 is provided with a flange. The arrangement of the flange is convenient for forming a sealed high-pressure space, and is also convenient for the maintenance of the electrostatic solid removing device, and after long-time operation, the inner dirty glass ball 17 is cleaned, removed and replaced.
In another embodiment, the glass spheres 17 have a packing density of 80%. The high-temperature high-viscosity glass ball is convenient for achieving sufficient electrostatic adsorption in each electric field cavity, is suitable for high-temperature high-viscosity media, 80% of glass balls 17 are filled, in the replacement process, the glass balls 17 are in a fluidized state, gaps among the glass balls 17 are enlarged, solid particles can be taken away by replacement liquid conveniently, and complete replacement can be guaranteed. Because the static releasing device is made of high-temperature resistant materials, the static releasing device can be used at allowable design temperature of metal. The increase in temperature contributes to the decrease in viscosity of high viscosity media such as coal-to-oil, catalytic slurries, and the like.
The electrostatic solid removal separation method and the device which is applied comprise the following steps:
a separation step:
starting the power supply to electrify the positive electrode plate 11 and the negative electrode plate 12;
feeding a solid-liquid mixed medium from a solid-liquid inlet 2, allowing the solid-liquid mixed medium to enter a plurality of electric field cavities from a fourth solid-liquid permeation hole 15 and a third solid-liquid permeation hole 13, adsorbing the solid medium by glass balls 17, allowing the liquid medium to enter the central discharging shaft 16 from a fifth solid-liquid permeation hole, and discharging the liquid medium from the liquid outlet 3;
a replacement step:
turning off the power supply to make the positive electrode plate 11 and the negative electrode plate 12 lose power;
replacement liquid is made to enter the shell 1 from a replacement liquid inlet 4, and the solid medium and the replacement liquid are discharged from the replacement liquid outlet 5 from the second solid-liquid permeable hole 10 and the first solid-liquid permeable hole.
In the technical scheme, in the separation step, the device provided by the invention is utilized, when the power is on, the solid-liquid mixed medium enters the shell 1 from the solid-liquid inlet 2 and is dispersed in the shell 1 from the feeding pipe 14, the solid-liquid mixed medium is diffused in the shell 1, the solid medium is electrostatically adsorbed by the glass balls 17, the liquid medium enters the central discharging shaft 16 and is discharged from the liquid outlet 3, in the replacement step, the device provided by the invention is utilized, the replacement liquid is introduced from bottom to top, solid particles are desorbed when the power is off, and the wrapped replacement liquid passes through the layer-by-layer parts and is discharged from the replacement liquid outlet 5, so that one-time electrostatic solid removal separation is completed.
Electrifying the positive and negative terminal posts of the device, adjusting the power supply voltage to enable the voltage to reach a process set value, opening the feeding and discharging valve to enable a solid-liquid mixed medium (containing solid liquid) to enter the electrode cavity through the fourth solid-liquid through hole 15 of the feeding spray irrigation, generating an electric field in the electrode cavity, enabling the smooth glass ball 17 to generate polarity under the action of the electric field, having certain adsorption capacity, enabling the solid-liquid mixed medium (containing solid liquid) to penetrate through the glass ball 17 along with the increase of the voltage, enabling particles in the liquid medium to be adsorbed on the surface of the glass ball 17, increasing the solid particles on the surface of the glass ball 17 along with the extension of the adsorption time, displaying that the pressure difference is increased by a pressure gauge arranged at the inlet and outlet pipe orifice, stopping feeding when the pressure difference is increased to the set value, closing the inlet and outlet valve, and closing the power supply; opening a valve of a replacement liquid inlet 4 and a valve of a replacement liquid outlet 5, enabling the replacement liquid to rapidly enter a separation cavity through the replacement liquid inlet 4, fluidizing a glass ball 17 bed layer, taking away solid particles adsorbed by the glass balls 17 by the replacement liquid, enabling the replacement liquid to flow out through the replacement liquid outlet 5, achieving the purpose of regenerating the glass balls 17, stopping replacing feeding and discharging materials after reaching a certain time or passing through a certain flow of replacement liquid, and closing a replacement oil inlet and outlet valve. And (5) the electrostatic solid removal separation device is on line again, and the steps are repeated.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. An electrostatic separation device comprising a path through which a solid-liquid mixed medium flows, a plurality of electric field chambers distributed in the path, and glass beads filled in the electric field chambers, wherein the glass beads are charged with electricity to adsorb the solid medium, and the solid medium is discharged together with a replacement liquid when the electricity is interrupted;
the method specifically comprises the following steps:
the device comprises a shell, a liquid inlet, a liquid outlet, a replacement liquid inlet, a replacement liquid outlet, a metal filter screen, a first solid-liquid permeation hole and a second solid-liquid permeation hole, wherein the lower part of the shell is provided with the solid-liquid inlet, the upper part of the shell is provided with the liquid outlet, the bottom of the shell is provided with the replacement liquid inlet, and the top of the shell is provided with the replacement liquid outlet;
the mounting assembly comprises a lower conductive plate, a lower insulating plate, an upper conductive plate and an upper insulating plate, wherein the lower conductive plate and the upper conductive plate are provided with second solid-liquid through holes, the lower insulating plate and the upper insulating plate are provided with an axis groove and a coaxial annular inner mounting groove, and the lower conductive plate and the upper conductive plate are provided with coaxial annular outer mounting grooves;
the solid-liquid transmission device comprises a positive electrode plate, a negative electrode plate and a power supply, wherein the positive electrode plate and the negative electrode plate are both annular plate bodies, third solid-liquid transmission holes are formed in the positive electrode plate and the negative electrode plate, the positive electrode plate and the negative electrode plate are respectively arranged in an outer mounting groove and an inner mounting groove, the power supply supplies power to the positive electrode plate and the negative electrode plate, a binding post of the positive electrode plate is grounded, and the binding post of the negative electrode plate is isolated and insulated from the shell and the positive electrode plate;
the feeding pipe comprises an integrally formed annular pipe body and a plurality of vertical diverging pipe bodies, the annular pipe body is communicated with the solid-liquid inlet, the plurality of vertical diverging pipe bodies are arranged between the positive electrode plate and the shell, and the plurality of vertical diverging pipe bodies are provided with fourth solid-liquid through holes;
the central discharging shaft is arranged in the shaft center groove, the bottom of the central discharging shaft is closed, the middle of the central discharging shaft is provided with a fifth solid-liquid through hole, the top of the central discharging shaft penetrates through the upper conductive plate, and the upper insulating plate is communicated with the liquid outlet;
glass balls distributed between the positive electrode plate and the negative electrode plate, between the negative electrode plate and the central discharging shaft, between the lower insulating plate and the shell, wherein the specification of the glass balls is as follows: can see through the second solid-liquid passes through the hole, can not see through first solid-liquid passes through hole, third solid-liquid passes through hole, fifth solid-liquid passes through the hole.
2. The electrostatic separation apparatus according to claim 1, wherein the lower conductive plate and the upper conductive plate are metal plates, and the lower insulating plate and the upper insulating plate are ceramic plates.
3. The electrostatic separation apparatus according to claim 1, wherein the lower conductive plate is welded to an inner wall of the housing, and the upper conductive plate is detachably connected to the housing by a high-strength bolt.
4. The electrostatic destacking and separating device as recited in claim 1 wherein said housing is open and closed and said housing outer wall has a flange.
5. The electrostatic separation apparatus according to claim 1, wherein the glass beads have a particle size of 3 to 4mm and a packing density of 80% space.
6. An electrostatic destabilisation separation method, characterised in that the use of a device according to any of claims 1 to 5 comprises:
a separation step:
starting the power supply to electrify the positive electrode plate and the negative electrode plate;
closing the replacement liquid inlet and the replacement liquid outlet;
feeding a solid-liquid mixed medium from a solid-liquid inlet, allowing the solid-liquid mixed medium to enter the plurality of electric field cavities from the fourth solid-liquid through hole and the third solid-liquid through hole, adsorbing the solid medium by the glass balls, and allowing the liquid medium to enter the central discharging shaft from the fifth solid-liquid through hole and be discharged from the liquid outlet;
a replacement step:
turning off the power supply to ensure that the positive electrode plate and the negative electrode plate are powered off;
closing the solid-liquid inlet and the liquid outlet;
and the replacement liquid enters the shell from the replacement liquid inlet, and the solid medium and the replacement liquid are discharged from the replacement liquid outlet from the second solid-liquid through hole and the first solid-liquid through hole.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5535916A (en) * | 1978-09-06 | 1980-03-13 | Central Res Inst Of Electric Power Ind | Dust collector |
| CN1221774A (en) * | 1997-12-27 | 1999-07-07 | 抚顺石油化工公司石油二厂 | High temp. centrifugal separator externally extracting oil separating, purifying and catalytic cracking |
| CN1330130A (en) * | 2001-06-25 | 2002-01-09 | 赵开鹏 | Water washing and settling process for separating catalyst powder from catalytically cracked oil |
| CN110358576A (en) * | 2019-07-04 | 2019-10-22 | 中国石油大学(华东) | A kind of catalytic cracked oil pulp purification system and its purification method |
| CN111363585A (en) * | 2020-03-31 | 2020-07-03 | 中国石油化工股份有限公司 | Catalytic cracking slurry oil static adsorber |
-
2021
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5535916A (en) * | 1978-09-06 | 1980-03-13 | Central Res Inst Of Electric Power Ind | Dust collector |
| CN1221774A (en) * | 1997-12-27 | 1999-07-07 | 抚顺石油化工公司石油二厂 | High temp. centrifugal separator externally extracting oil separating, purifying and catalytic cracking |
| CN1330130A (en) * | 2001-06-25 | 2002-01-09 | 赵开鹏 | Water washing and settling process for separating catalyst powder from catalytically cracked oil |
| CN110358576A (en) * | 2019-07-04 | 2019-10-22 | 中国石油大学(华东) | A kind of catalytic cracked oil pulp purification system and its purification method |
| CN111363585A (en) * | 2020-03-31 | 2020-07-03 | 中国石油化工股份有限公司 | Catalytic cracking slurry oil static adsorber |
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