CN111515034A - Vertical three-stage cyclone separator - Google Patents
Vertical three-stage cyclone separator Download PDFInfo
- Publication number
- CN111515034A CN111515034A CN202010421191.4A CN202010421191A CN111515034A CN 111515034 A CN111515034 A CN 111515034A CN 202010421191 A CN202010421191 A CN 202010421191A CN 111515034 A CN111515034 A CN 111515034A
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- Prior art keywords
- inlet channel
- air inlet
- main
- vertical
- liquid
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- 239000007788 liquid Substances 0.000 claims abstract description 98
- 238000000926 separation method Methods 0.000 claims abstract description 39
- 230000001105 regulatory effect Effects 0.000 claims abstract description 17
- 239000000178 monomer Substances 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000977 initiatory effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 37
- 238000005192 partition Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/24—Multiple arrangement thereof
- B04C5/28—Multiple arrangement thereof for parallel flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C11/00—Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
- B04C5/06—Axial inlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/08—Vortex chamber constructions
- B04C5/103—Bodies or members, e.g. bulkheads, guides, in the vortex chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cyclones (AREA)
Abstract
The invention relates to a vertical three-stage cyclone separator which comprises a shell, a main air inlet channel, a main exhaust channel, a main air inlet, a main exhaust port and a cyclone separation unit, wherein the main air inlet is communicated with the main air inlet channel; the air inlet channel monomer of a plurality of cyclone separation units passes through pipeline and total inlet channel lug connection, and the inlet channel monomer of cyclone separation unit is venturi with total inlet channel's the initiating terminal of being connected, and the inlet channel monomer of a plurality of cyclone separation units is equipped with the fluid-discharge tube of downwardly extending on the baffle in the outside radial distribution of total inlet channel, is equipped with pressure regulating valve on the fluid-discharge tube. The siphon negative pressure effect generated by the Venturi tube enables the gas in the gas inlet channel to rapidly enter the gas inlet channel monomer of the cyclone separation unit, the gas flows smoothly, and the separation efficiency is high. The liquid separated out above the clapboard can be discharged in time.
Description
Technical Field
The invention belongs to the technical field of separating devices, and particularly relates to a vertical three-stage cyclone separator.
Background
The three-stage cyclone separator (three-stage cyclone for short) is used in the energy recovery device of fluidized catalytic cracking oil refining system in oil refining industry, and is used to separate catalyst particles which cannot be separated from regenerated flue gas by the first two-stage cyclone separator in the regenerator, so as to provide purified high-temperature high-pressure flue gas for the flue gas turbine, thereby ensuring the long-term stable operation of the turbine.
The structure of the existing three-stage cyclone separator is shown in the attached figure 1 of the specification, the shell is divided into an air inlet cavity, an air exhaust cavity and a liquid exhaust cavity by an upper fixed clapboard and a lower fixed clapboard, an air inlet of a cyclone separation unit is arranged in the air inlet cavity, and air enters the air inlet of the cyclone separation unit from the air inlet cavity. In the air inlet cavity, no power is used for introducing the gas into the cyclone separation unit, and the efficiency of the cyclone separation unit for processing the gas is low. The liquid usually remains inside the intake chamber and the exhaust chamber, and this makes the treatment difficult.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a vertical three-stage cyclone separator, which improves a connection manner of an air inlet unit of a cyclone separating unit, increases a gas treatment amount of the separator, and solves a problem that liquid remaining in a partition plate of a casing is difficult to treat.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the vertical three-stage cyclone separator comprises a shell, a main air inlet channel, a main exhaust channel, a main air inlet, a main exhaust port and a cyclone separation single body, wherein the main air inlet and the main exhaust port are arranged outside the shell; the cyclone separation unit comprises an air inlet channel unit, an air outlet channel unit and a liquid outlet port unit, wherein the air inlet channel unit is externally tangent with a separation cavity of the cyclone separation unit; the inside baffle that is equipped with of casing, baffle are located leakage fluid dram monomer top, and the baffle is equipped with downwardly extending's fluid-discharge tube with inside exhaust cavity and the flowing back cavity of dividing into of casing on the baffle, be equipped with pressure regulating valve on the fluid-discharge tube, and the fluid-discharge tube highly ensures that the fluid pressure that liquid produced is not lower than pressure regulating valve's balanced pressure in the fluid-discharge tube.
Preferably, the connection of the air inlet channel monomer and the total air inlet channel of the cyclone separation unit is divided into a plurality of layers.
Preferably, a check valve is arranged inside the main exhaust port.
Preferably, the main air inlet channel is provided with an expansion joint.
Preferably, a liquid level sensor is arranged at the lower part of the main air inlet channel, an electromagnetic valve is arranged at an inner liquid discharge port at the bottom of the main air inlet channel, the liquid level sensor is connected with a controller, and the controller is connected with the electromagnetic valve.
Preferably, the bottom of the shell is a cone, the total liquid outlet pipeline is provided with a flow regulating valve, and the total liquid outlet pipeline and the bottom of the shell are respectively provided with a compressed gas connecting pipe.
Preferably, the top of the pipeline of the total liquid discharge port is connected with a conical expansion port, the expansion port is matched with the inner wall of the shell, the middle of the pipeline of the total liquid discharge port is provided with a centering fixing sleeve, the centering fixing sleeve is connected with the bottom of the shell through a connecting sleeve, the bottom end of the connecting sleeve is connected with the centering fixing sleeve, and the inner side surface of the connecting sleeve is connected with the outer wall of the.
The invention has the beneficial effects that:
the inlet channel monomer and the total inlet channel of whirlwind separating unit are connected, the inlet channel monomer of a plurality of whirlwind separating unit is at the outside radial distribution of total inlet channel, gas gets into total inlet channel from total air inlet, under total inlet channel's water conservancy diversion, gas flows down, the inlet channel monomer and the total inlet channel's of whirlwind separating unit connection initiating terminal are venturi, the siphon negative pressure effect that venturi produced, make the gas in the inlet channel get into whirlwind separating unit's inlet channel monomer fast in, the gas circulation is smooth, high separation efficiency.
An inner liquid discharge port is arranged at the bottom of the main gas inlet channel, and liquid separated out from gas in the main gas inlet channel is discharged from the inner liquid discharge port.
The inside baffle that is equipped with of casing, baffle are located leakage fluid dram monomer top, and the baffle is equipped with downwardly extending's fluid-discharge tube with inside exhaust cavity and the flowing back cavity of being divided into of casing on the baffle, be equipped with pressure regulating valve on the fluid-discharge tube. When the discharged gas separates out liquid, the separated out liquid enters the liquid discharge pipe, and the liquid pressure generated by the liquid in the liquid discharge pipe is not lower than the balance pressure of the pressure regulating valve due to the height of the liquid discharge pipe, so that when the liquid in the liquid discharge pipe reaches a certain liquid level, the pressure regulating valve is automatically opened, the discharged liquid is automatically closed, the liquid discharge pipe is closed, the gas discharge cavity and the liquid discharge cavity are closed and isolated, and the two cavities are not communicated with each other.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art vertical three stage cyclone separator;
FIG. 2 is a schematic structural diagram of a vertical three-stage cyclone separator according to the invention;
FIG. 3 is a top view of the arrangement of the cyclone cells inside the casing;
FIG. 4 is a schematic view of the total drain port piping structure according to the present invention;
FIG. 5 is a block diagram of a cyclonic separation unit;
reference numerals: the device comprises a shell-1, a partition plate-11, an exhaust cavity-12, a liquid drainage cavity-13, a liquid drainage pipe-14, a pressure regulating valve-15, a total gas inlet channel-2, an inner liquid drainage port-21, an expansion joint-22, a liquid level sensor-23, an electromagnetic valve-24, a total gas drainage channel-3, a total gas inlet-4, a total gas outlet-5, a one-way valve-51, a cyclone separation monomer-6, a gas inlet channel monomer-61, a Venturi tube-611, an exhaust channel monomer-62, a liquid drainage port monomer-63, a total liquid drainage port-7, a flow regulating valve-71, a compressed gas connecting pipe-72, an expansion port-73, a centering fixing sleeve-74, a connecting sleeve-75 and a connecting plate-8.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention and to clearly and unequivocally define the scope of the present invention.
Referring to the attached drawing 1 in the specification, in the vertical three-stage cyclone separator in the prior art, the inside of the shell is divided into an air inlet cavity 03, an air exhaust cavity 04 and a liquid discharge cavity 05 by an upper fixed partition plate 01 and a lower fixed partition plate 02, an air inlet channel 06 of the cyclone separation unit is arranged inside the air inlet cavity 03, and air enters the cyclone separation unit 07 in the air inlet cavity 03. In the air inlet cavity, no power is used for introducing the gas into the cyclone separation unit, and the efficiency of the cyclone separation unit for processing the gas is low. The liquid usually remains inside the intake chamber and the exhaust chamber, and this makes the treatment difficult.
Referring to the attached drawing 2 in the specification, the vertical three-stage cyclone separator comprises a shell 1, a main air inlet channel 2, a main exhaust channel 3, a main air inlet 4, a main exhaust port 5 and a cyclone separation single body 6, wherein the main air inlet 4 and the main exhaust port 5 are arranged outside the shell 1, the main air inlet channel 2, the main exhaust channel 3 and the cyclone separation single body 6 are arranged inside the shell 1, and a main liquid discharge port 7 is arranged at the bottom of the shell 1. The total air inlet 4 is communicated with the total air inlet channel 2, the total air outlet 5 is communicated with the total air outlet channel 3, an inner liquid outlet 21 is arranged at the bottom of the total air inlet channel 2, the opening degree of the inner liquid outlet ensures that liquid with a certain liquid level is arranged at the bottom of the total air inlet channel, and liquid sealing is implemented on the total air inlet channel by the liquid at the bottom of the total air inlet channel. Referring to the attached figure 3, a plurality of cyclone single bodies 6 are arranged in a ring shape in the shell 1, and the cyclone single bodies 6 are fixed with the shell 1 through a connecting plate 8. Gaps are arranged between the connecting plates of the adjacent cyclone separation monomers. Referring to the attached figure 5 in the specification, the cyclone separation unit 6 includes an air inlet passage unit 61, an air outlet passage unit 62, and a liquid outlet unit 63, the air inlet passage unit 61 is externally connected to a separation cavity of the cyclone separation unit 5, the air inlet passage unit 61 of the cyclone separation unit 6 is directly connected to the main air inlet passage 2 through a pipeline, the starting end of the connection between the air inlet passage unit 61 of the cyclone separation unit 6 and the main air inlet passage 2 is a venturi tube 611, and the air inlet passage units 61 of the plurality of cyclone separation units are radially distributed outside the main air inlet passage 2. The gas enters the main gas inlet channel from the main gas inlet, the gas flows downwards under the flow guide of the main gas inlet channel, the connection starting end of the gas inlet channel monomer of the cyclone separation unit and the main gas inlet channel is a Venturi tube, the siphon negative pressure effect generated by the Venturi tube enables the gas in the gas inlet channel to rapidly enter the gas inlet channel monomer of the cyclone separation unit, the gas circulation is smooth, and the separation efficiency is high.
In order to solve the problem of air leakage of the exhaust cavity and the liquid drainage cavity, a partition plate 11 is arranged inside the shell 1, the partition plate 11 is positioned above the liquid drainage port monomer, and the inside of the shell is divided into the exhaust cavity 12 and the liquid drainage cavity 13 by the partition plate. In order to solve the problem of liquid remaining in the exhaust cavity, a drain pipe 14 extending downwards is arranged on the partition plate 11, a pressure regulating valve 15 is arranged on the drain pipe 14, and the height of the drain pipe 14 ensures that the liquid pressure generated by liquid in the drain pipe is not lower than the balance pressure of the pressure regulating valve 15. When the discharged gas separates out liquid, the separated out liquid enters the liquid discharge pipe, and the liquid pressure generated by the liquid in the liquid discharge pipe is not lower than the balance pressure of the pressure regulating valve due to the height of the liquid discharge pipe, so that when the liquid in the liquid discharge pipe reaches a certain liquid level, the pressure regulating valve is automatically opened, the discharged liquid is automatically closed, and the liquid discharge pipe is closed. The exhaust cavity and the liquid discharge cavity are sealed and isolated, and the two cavities are not communicated with each other.
For any of the above embodiments, it is preferable that the connection of the air inlet passage unit 61 of the cyclone unit and the total air inlet passage 3 is divided into a plurality of layers. The structure can be provided with more cyclone separation units, so that the gas treatment capacity of the invention is improved.
For any of the above embodiments, preferably, a check valve 51 is disposed inside the total exhaust port 5, and the check valve makes the gas inside the casing discharge in one direction.
For any of the above embodiments, it is preferred that the main intake passage 2 is provided with an expansion joint 22 that compensates for line displacement due to temperature differences.
Preferably, for any specific implementation, a liquid level sensor 23 is arranged at the lower part of the main air inlet channel 2, an electromagnetic valve 24 is arranged at an inner liquid discharge port at the bottom of the main air inlet channel 2, the liquid level sensor is connected with a controller, and the controller is connected with the electromagnetic valve. The liquid level sensor enables the bottom of the main air inlet channel to keep a certain liquid level, and the liquid level plays a role in liquid sealing of the main air inlet channel. The controller is internally provided with an upper limit value and a lower limit value of the liquid level, when the liquid level exceeds the upper limit value, the controller starts the electromagnetic valve to be opened, liquid is discharged from the inner liquid discharge port, and when the liquid level is lower than the lower limit value, the electromagnetic valve is closed, and the liquid is not discharged from the inner liquid discharge port.
In any of the above embodiments, the bottom of the casing 1 is preferably a cone, the total liquid discharge port 7 is provided with a flow rate control valve 71, and the total liquid discharge port 7 and the bottom of the casing 1 are provided with compressed gas connection pipes 72, respectively. The flow regulating valve is used for regulating the flow of liquid discharged outside the main liquid discharge port, so that certain liquid level is ensured to exist at the bottom of the shell, and liquid sealing is realized. When the main drain 7 is blocked by solids, the pipeline is dredged by compressed gas.
For any of the above embodiments, referring to fig. 4 in the specification, a heat-insulating and wear-resistant lining 11 is disposed inside the casing 1, the top of the pipeline of the total liquid discharge port 71 is connected to a conical expansion port 73, the expansion port 73 is matched with the lining of the casing, a centering fixing sleeve 74 is disposed in the middle of the pipeline of the total liquid discharge port 71, the centering fixing sleeve 74 is connected to the bottom of the casing through a connecting sleeve 75, the bottom end of the connecting sleeve 75 is connected to the centering fixing sleeve 74, and the inner side surface of the connecting sleeve 75 is. The expansion port 73 is used for enhancing the connection strength of the upper end of the total liquid discharge port pipeline, the centering fixing sleeve is used for centering the total liquid discharge port pipeline, the connecting sleeve 75 enhances the connection strength of the lower end of the total liquid discharge port pipeline, the overall structure enables the total liquid discharge port pipeline to be vertically connected with the bottom end of the shell, and the connection is fixed and stable.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, that the preferred embodiments of the present invention are described above and the present invention is not limited to the preferred embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the present invention and these changes and modifications are within the scope of the invention as claimed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The vertical three-stage cyclone separator comprises a shell, a main air inlet channel, a main exhaust channel, a main air inlet, a main exhaust port and a cyclone separation single body, wherein the main air inlet and the main exhaust port are arranged outside the shell; the cyclone separation unit comprises an air inlet channel unit, an air outlet channel unit and a liquid outlet port unit, wherein the air inlet channel unit is externally tangent with a separation cavity of the cyclone separation unit; the inside baffle that is equipped with of casing, baffle are located leakage fluid dram monomer top, and the baffle is equipped with downwardly extending's fluid-discharge tube with inside exhaust cavity and the flowing back cavity of dividing into of casing on the baffle, be equipped with pressure regulating valve on the fluid-discharge tube, and the fluid-discharge tube highly ensures that the fluid pressure that liquid produced is not lower than pressure regulating valve's balanced pressure in the fluid-discharge tube.
2. The vertical three-stage cyclone separator as claimed in claim 1, wherein the connection of the inlet passage unit of the cyclone unit and the total inlet passage is divided into a plurality of layers.
3. The vertical three-stage cyclone separator as claimed in claim 1, wherein a check valve is provided inside the main discharge port.
4. The vertical three-stage cyclone separator as claimed in claim 1, wherein the main inlet passage is provided with an expansion joint.
5. The vertical three-stage cyclone separator as claimed in claim 1, wherein a liquid level sensor is provided at a lower portion of the main inlet passage, an electromagnetic valve is provided at an inner drain port at a bottom of the main inlet passage, the liquid level sensor is connected to a controller, and the controller is connected to the electromagnetic valve.
6. The vertical three-stage cyclone separator as claimed in claim 1, wherein the bottom of the casing is a cone, the total liquid outlet pipeline is provided with a flow control valve, and the total liquid outlet pipeline and the bottom of the casing are respectively provided with compressed gas connecting pipes.
7. The vertical three-stage cyclone separator as claimed in claim 1, wherein the top of the main liquid outlet pipeline is connected to a conical expansion port, the expansion port is engaged with the inner wall of the casing, the middle of the main liquid outlet pipeline is provided with a centering sleeve, the centering sleeve is connected to the bottom of the casing through a connecting sleeve, the bottom of the connecting sleeve is connected to the centering sleeve, and the inner side of the connecting sleeve is connected to the outer wall of the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010421191.4A CN111515034A (en) | 2020-05-18 | 2020-05-18 | Vertical three-stage cyclone separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010421191.4A CN111515034A (en) | 2020-05-18 | 2020-05-18 | Vertical three-stage cyclone separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111515034A true CN111515034A (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010421191.4A Pending CN111515034A (en) | 2020-05-18 | 2020-05-18 | Vertical three-stage cyclone separator |
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| Country | Link |
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| CN (1) | CN111515034A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570118A (en) * | 2022-05-06 | 2022-06-03 | 北京石油化工学院 | Multistage separation effect is integrated tubular vapour and liquid separator in coordination |
-
2020
- 2020-05-18 CN CN202010421191.4A patent/CN111515034A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570118A (en) * | 2022-05-06 | 2022-06-03 | 北京石油化工学院 | Multistage separation effect is integrated tubular vapour and liquid separator in coordination |
| CN114570118B (en) * | 2022-05-06 | 2022-07-26 | 北京石油化工学院 | Multistage separation effect is integrated tubular vapour and liquid separator in coordination |
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Application publication date: 20200811 |
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| WD01 | Invention patent application deemed withdrawn after publication |