CN113350853A - Novel residual oil hydrogenation raw material backwashing filter - Google Patents
Novel residual oil hydrogenation raw material backwashing filter Download PDFInfo
- Publication number
- CN113350853A CN113350853A CN202110806907.7A CN202110806907A CN113350853A CN 113350853 A CN113350853 A CN 113350853A CN 202110806907 A CN202110806907 A CN 202110806907A CN 113350853 A CN113350853 A CN 113350853A
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- Prior art keywords
- filter
- filter element
- cylinder body
- backwash
- partition plate
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- 238000011001 backwashing Methods 0.000 title claims abstract description 31
- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 18
- 239000002994 raw material Substances 0.000 title claims abstract description 12
- 238000005192 partition Methods 0.000 claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 9
- 239000012530 fluid Substances 0.000 description 4
- 239000003350 kerosene Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
- C10G31/09—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by filtration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a novel residual oil hydrogenation raw material backwashing filter, which comprises a cylinder body and a plurality of filter elements, wherein an upper end cover is fixedly arranged at the upper end of the cylinder body, a lower end cover is fixedly arranged at the lower end of the cylinder body, the filter elements are arranged on a partition plate, a plurality of oil outlet holes are formed in the partition plate and communicated with the interior of the filter elements, an installation ring is arranged at the upper end of the interior of the cylinder body and divides the interior of the cylinder body into an oil inlet cavity and an oil outlet cavity, the periphery of the partition plate is arranged on the installation ring, the filter elements are positioned in the oil inlet cavity, a plurality of shockproof plates are arranged below the installation ring and respectively and fixedly connected with the cylinder body, a plurality of limiting holes are formed in the shockproof plates, an oil outlet pipe communicated with the oil outlet cavity is arranged on the upper end cover, and an oil inlet pipe communicated with the oil inlet cavity is arranged on the lower end cover. The novel residual oil hydrogenation raw material backwashing filter reduces filter element vibration in the filtering process, retains the promoting effect of the filter element vibration on the backwashing process in the backwashing process, and has the advantage of convenient assembly and disassembly.
Description
Technical Field
The invention belongs to the technical field of filters, and particularly relates to a novel residual oil hydrogenation raw material backwashing filter.
Background
The applicant discloses a aviation kerosene filter in the invention patent with the application number of CN 201820708461.8. The aviation kerosene filter specifically discloses a barrel, a filter element, an upper end cover at the upper end of the barrel, a lower end cover at the lower end of the barrel, a partition board inside the barrel, and the filter element, and comprises a fixed plate, a fixed ring, an inner rib, a spiral ring and other technical characteristics. The working principle is as follows: a certain gap is formed between two adjacent circles of the spiral ring in the filter element, and a certain gap is formed between two adjacent inner ribs, so that the filter element with the filtering effect is formed. The booster pump is given into the oil pocket and is annotated the fluid that has certain pressure, and inside fluid entered into the filter core through the clearance in the filter core from the filter core outside, impurity in the fluid can not enter into the filter core through the clearance in the filter core inside, and the fluid through the filtration entered into the oil outlet chamber, accomplishes and filters. The screw pitch of adjustment helicoidal and the adjacent two distances of following between the interior muscle in the skeleton to can obtain the filter core that has different filtration grades, satisfy different operation requirements. Through continuous research and application, the catalyst has important application value in the field of residue hydrogenation. Except the filtering effect, the filter also has the back washing capacity, the service life of the filter is further prolonged, and the filtering effect can be ensured for a long time. However, the filter has the following problems found in the practical application: 1. although the fixed plates of all the filter elements are fixed on a large circular plate, the shaking of the filter elements in a high-pressure state is reduced to a certain extent, the circular plate is not fixedly connected with the cylinder body, and the damping effect is limited; 2. when the filter is used for filtering residual oil hydrogenation raw materials, in order to improve the filtering efficiency, the length of the filter element is designed to be very long (about 1.5-2 meters), and the diameter of the filter element is small (about 2-2.5 centimeters), so that the shaking of the filter element in the filtering process is further increased, and the effect of stabilizing the filter element cannot be achieved only by arranging a circular plate at the tail end of the filter element for fixing; 3. the circular plate has a blocking effect on oil to be filtered in the oil inlet cavity, so that the oil pressure around the filter element is reduced, and the oil pressurization and filtration requirements can be met only by matching with a high-power booster pump; 4. proper shaking of the filter element during backflushing can improve the flushing effect, while the arrangement of the circular plate limits shaking of the filter element during backflushing of the filter element.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the technical scheme that: a novel residual oil hydrogenation raw material backwashing filter comprises a cylinder body and a plurality of filter elements, wherein an openable upper end cover is fixedly arranged at the upper end of the cylinder body, an openable lower end cover is fixedly arranged at the lower end of the cylinder body, the filter core is including the fixed plate, gu fixed ring, interior muscle and helicoil, the filter core is installed on the baffle, be equipped with a plurality of oil outlets on the baffle, gu fixed ring fixed connection baffle's lower surface, inside the oil outlet intercommunication filter core, the inside upper end of barrel is equipped with the collar, the collar falls into oil feed chamber and oil outlet chamber with the barrel is inside, arrange the collar around the baffle in, the filter core is located the oil feed chamber, the below of collar is equipped with a plurality of shockproof boards that down interval set gradually from last, shockproof board is fixed connection barrel respectively, be equipped with a plurality of spacing holes that supply the filter core to pass respectively on the shockproof board, the upper end is covered and is equipped with the oil pipe that leads to the oil outlet chamber, the lower end is covered and is equipped with the oil pipe that advances oil feed through the oil chamber.
Preferably, gaps are respectively arranged between the peripheries of the shockproof plates and the inner wall of the cylinder body, and the shockproof plates are fixedly connected with the cylinder body through a plurality of connecting plates.
Preferably, the lower surface of the upper end cover is fixedly connected with a plurality of pressure rods, the lower ends of the pressure rods support the partition plate, the periphery of the upper end cover is connected with the upper end of the barrel through a plurality of bolts, and a sealing ring is arranged between the partition plate and the mounting ring.
Preferably, the limit hole on the shockproof plate comprises a large opening part and a small opening part, the large opening part and the small opening part are communicated with each other, the filter element can be moved to the small opening part or the small opening part from the large opening part by rotating the partition plate, a contact surface is arranged between the filter element and the inner wall of the limit hole when the filter element is located at the small opening part, and a gap is arranged between the filter element and the inner wall of the limit hole when the filter element is located at the large opening part.
Preferably, in the above technical solution, the small opening is semicircular, and the diameter of the small opening is equal to the diameter of the filter element.
Preferably, the partition plate is provided with a pointing arrow, the inner wall of the oil outlet cavity is provided with a filtering position reticle and a backwashing position reticle, the filter element is located at the small opening part when the pointing arrow points to the filtering position reticle, and the filter element is located at the large opening part when the pointing arrow points to the backwashing position reticle.
Preferably, the upper surface of the partition board is provided with a plurality of filtering and positioning grooves and a plurality of backwashing and positioning grooves, the filtering and positioning grooves correspond to the pressure levers one to one, the backwashing and positioning grooves correspond to the pressure levers one to one, the pressure levers are respectively inserted into the corresponding filtering and positioning grooves when the pointing arrows point to the filtering position lines, and the pressure levers are respectively inserted into the corresponding backwashing and positioning grooves when the pointing arrows point to the backwashing position lines.
Preferably, the inner diameters of the filtering and positioning groove and the backwashing positioning groove are gradually reduced from top to bottom.
Preferably, the partition board is fixedly connected with a handle.
The invention has the beneficial effects that: the novel residual oil hydrogenation raw material backwashing filter reduces filter element vibration in the filtering process, retains the promoting effect of the filter element vibration on the backwashing process in the backwashing process, and has the advantage of convenient assembly and disassembly.
Drawings
FIG. 1 is a schematic cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of a portion of the structure of the present invention;
FIG. 3 is a schematic view of a cartridge;
fig. 4 is a schematic structural view of the vibration-proof plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, a novel residual oil hydrogenation raw material backwashing filter comprises a cylinder body 1 and a plurality of filter elements 2, wherein an openable upper end cover 3 is fixedly installed at the upper end of the cylinder body 1, an openable lower end cover 4 is fixedly installed at the lower end of the cylinder body 1, the filter elements 2 comprise a fixed plate 5, a fixed ring 6, an inner rib 7 and a spiral ring 8, the filter elements 2 are installed on a partition plate 9, a plurality of oil outlets 10 are arranged on the partition plate 9, the fixed ring 6 is fixedly connected with the lower surface of the partition plate 9, the oil outlets 10 are communicated with the inside of the filter elements 2, a mounting ring 11 is arranged at the upper end of the inside of the cylinder body 1, the inside of the cylinder body 1 is divided into an oil inlet cavity 12 and an oil outlet cavity 13 by the mounting ring 11, the periphery of the partition plate 9 is arranged on the mounting ring 11, the filter elements 2 are positioned in the oil inlet cavity 12, a plurality of shockproof plates 14 are sequentially arranged from top to bottom at intervals, the shockproof plates 14 are respectively and fixedly connected with the cylinder body 1, the shockproof plate 14 is provided with a plurality of limiting holes 15 for the filter element 2 to pass through respectively, the upper end cover 3 is provided with an oil outlet pipe 16 communicated with the oil outlet cavity 13, and the lower end cover 4 is provided with an oil inlet pipe 17 communicated with the oil inlet cavity 12. The filter element 2 is arranged on the clapboard 9, then the whole filter element is put into the cylinder body 1 from the oil outlet cavity 13, and the clapboard 9 is arranged on the mounting ring 11. During filtering, the filter element 2 is kept stable through the shockproof plate 14, vibration caused by the internal and external pressure difference of the filter element 2 is reduced, deformation of the filter element 2 caused by long-term vibration is reduced, and the service life of the filter element 2 is prolonged.
Furthermore, gaps are respectively arranged between the periphery of the shockproof plates 14 and the inner wall of the cylinder body 1, and the shockproof plates 14 are fixedly connected with the cylinder body 1 through a plurality of connecting plates 18. Therefore, the influence of the shockproof plate 14 on the hydraulic pressure in the oil inlet cavity 12 can be reduced, the stability of the hydraulic pressure in the oil inlet cavity 12 is ensured, and the filtering effect of the filter element 2 is ensured.
Further, the lower surface of the upper end cover 3 is fixedly connected with a plurality of pressure rods 19, the lower ends of the pressure rods 19 support against the partition plate 9, the periphery of the upper end cover 3 is connected with the upper end of the barrel body 1 through a plurality of bolts, and a sealing ring is arranged between the partition plate 9 and the mounting ring 11. After the upper end cover 3 is closed on the cylinder body 1, the pressure rod 19 is used for propping against the partition plate 9, so that the oil inlet cavity 12 and the oil outlet cavity 13 are kept sealed. After the upper end cover 3 is taken down, the partition plate 9 and the filter element 2 can be conveniently taken out from the cylinder body 1.
Furthermore, the limiting hole 15 on the shockproof plate 14 comprises a large opening portion 20 and a small opening portion 21, the large opening portion 20 and the small opening portion 21 are communicated with each other, the filter element 2 can be moved from the large opening portion 20 to the small opening portion 21 or from the small opening portion 21 to the large opening portion 22 by rotating the partition plate 9, a contact surface is formed between the inner walls of the limiting hole 15 and the filter element 2 when the filter element 2 is located at the small opening portion 21, and a gap is formed between the inner walls of the limiting hole 15 and the filter element 2 when the filter element 2 is located at the large opening portion 20. During filtering, the small opening 21 is tightly attached to the filter element 2, and the vibration amplitude of the filter element 2 is reduced. During backwashing, the filter element 2 is positioned at the large opening part 22, and the periphery of the filter element 2 is not blocked, so that the filter element can vibrate in the maximum amplitude, and the backwashing effect is improved.
Further, the small opening 21 is semicircular, and the diameter of the small opening 21 is equal to that of the filter element 2. The semicircular small opening part 21 can ensure the maximum contact area with the filter element 2, reduce the vibration of the filter element 2 and has the minimum influence on the filter area of the filter element 2 (only half of the filter element 2 is contacted by the small opening part 21, and the other half of the filter effect is not influenced)
Furthermore, a directional arrow 22 is arranged on the partition plate 9, a filtering position reticle 23 and a back-washing position reticle 24 are arranged on the inner wall of the oil outlet cavity 13, the filter element 2 is located at the small opening part 21 when the directional arrow 22 points to the filtering position reticle 23, and the filter element is located at the large opening part 20 when the directional arrow 22 points to the back-washing position reticle 24. The partition 9 is positioned by means of the directional arrow 22.
Furthermore, the upper surface of the partition board 9 is provided with a plurality of filtering positioning grooves 25 and a plurality of backwashing positioning grooves 26, the filtering positioning grooves 25 correspond to the pressure levers 19 one by one, the backwashing positioning grooves 26 correspond to the pressure levers 19 one by one, the pressure levers 19 are respectively inserted into the corresponding filtering positioning grooves 25 when the pointing arrow 22 points to the filtering position reticle 23, and the pressure levers 19 are respectively inserted into the corresponding backwashing positioning grooves 26 when the pointing arrow 22 points to the backwashing position reticle 24. The filter positioning groove 25 and the backwash positioning grooves 26 are respectively inserted with the pressure bar 19 during filtration and backwash.
Further, the inner diameters of the filtering positioning groove 25 and the backwashing positioning groove 26 are gradually reduced from top to bottom, and the diameter of the lower end of the pressure rod 19 is equal to the diameter of the lower end of the filtering positioning groove 25 and the diameter of the lower end of the backwashing positioning groove 26 respectively. Because the relative position of the upper end cover 3 and the cylinder body 1 is fixed, the partition plates 9 can be secondarily positioned by the compression rods 19 when the upper end cover 3 is installed. The upper end cover 3 and the cylinder body 1, and the lower end cover 4 and the cylinder body 1 are respectively connected in a sealing way through sealing flanges.
Further, a handle 27 is fixedly connected to the partition 9. The handle 27 facilitates the rotation of the partition 9 and also facilitates the attachment and detachment of the partition 9.
It should be noted that the technical features of the inner ribs, the metal wires, etc. related to the present patent application should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of the technical features may be conventional choices in the field, and should not be regarded as the invention point of the present patent, and the present patent is not further specifically described in detail.
Having described preferred embodiments of the present invention in detail, it is to be understood that modifications and variations may be resorted to without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A novel backwashing filter for residual oil hydrogenation raw materials comprises a cylinder body and a plurality of filter elements, wherein an openable upper end cover is fixedly arranged at the upper end of the cylinder body, an openable lower end cover is fixedly arranged at the lower end of the cylinder body, each filter element comprises a fixed plate, a fixed ring, an inner rib and a spiral ring, and is characterized in that the filter elements are arranged on a partition plate, a plurality of oil outlet holes are arranged on the partition plate, the fixed rings are fixedly connected with the lower surface of the partition plate, the oil outlet holes are communicated with the interior of each filter element, the upper end of the interior of the cylinder body is provided with a mounting ring which divides the interior of the cylinder body into an oil inlet cavity and an oil outlet cavity, the periphery of the partition plate is arranged on the mounting ring, the filter elements are positioned in the oil inlet cavity, a plurality of shockproof plates which are sequentially arranged at intervals from top to bottom are arranged below the mounting ring, the shockproof plates are respectively and fixedly connected with the cylinder body, a plurality of limiting holes for the filter elements to pass through are arranged on the shockproof plates, and an oil outlet pipe communicated with the oil outlet cavity is arranged on the upper end cover, an oil inlet pipe communicated with the oil inlet cavity is arranged on the lower end cover.
2. The new backwash filter for residual oil hydrogenation raw material as claimed in claim 1, wherein gaps are respectively provided between the peripheries of the shockproof plates and the inner wall of the cylinder, and the shockproof plates are fixedly connected with the cylinder through a plurality of connecting plates.
3. The new backwash filter for residual oil hydrogenation raw material as claimed in claim 2, wherein the lower surface of the upper end cap is fixedly connected with a plurality of pressure rods, the lower ends of the pressure rods support against the partition plate, the periphery of the upper end cap is connected with the upper end of the cylinder body through a plurality of bolts, and a sealing ring is arranged between the partition plate and the mounting ring.
4. A novel residue hydrogenation feedstock back-flushing filter as claimed in claim 3 wherein the limiting hole in the shock plate comprises a large mouth portion and a small mouth portion, the large mouth portion and the small mouth portion are in communication, the rotating partition plate can move the filter element from the large mouth portion to the small mouth portion or from the small mouth portion to the large mouth portion, a contact surface is provided between the filter element and the inner wall of the limiting hole when the filter element is located at the small mouth portion, and a gap is provided between the filter element and the inner wall of the limiting hole when the filter element is located at the large mouth portion.
5. The new backwash filter for residuum hydrogenation feedstocks as claimed in claim 4, wherein said small mouth is semi-circular and has a diameter equal to the diameter of the filter element.
6. The new backwash filter for residual oil hydrogenation feedstock as claimed in claim 5, wherein the partition is provided with a directional arrow, the inner wall of the oil outlet chamber is provided with a filtering position groove and a backwash position groove, the directional arrow points to the filtering position groove and the filter element is located at the small opening, and the directional arrow points to the backwash position groove and the filter element is located at the large opening.
7. The new backwash filter as defined in claim 6, wherein the partition plate has a plurality of filter positioning grooves and a plurality of backwash positioning grooves on the upper surface thereof, the filter positioning grooves correspond to the pressure levers one by one, the backwash positioning grooves correspond to the pressure levers one by one, the pressure levers are inserted into the corresponding filter positioning grooves when the directional arrow points to the groove of the filter position, and the pressure levers are inserted into the corresponding backwash positioning grooves when the directional arrow points to the groove of the backwash position.
8. The new backwash filter for residuum hydrogenation feedstocks as claimed in claim 7, wherein the inside diameters of said filter positioning grooves and said backwash positioning grooves are each tapered from top to bottom.
9. The new backwash filter for residuum hydrogenation feedstocks as claimed in claim 8, wherein said partition is fixedly attached with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110806907.7A CN113350853A (en) | 2021-07-16 | 2021-07-16 | Novel residual oil hydrogenation raw material backwashing filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110806907.7A CN113350853A (en) | 2021-07-16 | 2021-07-16 | Novel residual oil hydrogenation raw material backwashing filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113350853A true CN113350853A (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110806907.7A Pending CN113350853A (en) | 2021-07-16 | 2021-07-16 | Novel residual oil hydrogenation raw material backwashing filter |
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| Country | Link |
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| CN (1) | CN113350853A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939297A (en) * | 2022-03-12 | 2022-08-26 | 中国石油化工股份有限公司 | Residual oil hydrogenation raw material backwashing filter with long service life and maintenance method |
| CN116135280A (en) * | 2023-04-18 | 2023-05-19 | 东营联合石化有限责任公司 | Refined diesel oil hydrogenation washes filtration equipment |
-
2021
- 2021-07-16 CN CN202110806907.7A patent/CN113350853A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939297A (en) * | 2022-03-12 | 2022-08-26 | 中国石油化工股份有限公司 | Residual oil hydrogenation raw material backwashing filter with long service life and maintenance method |
| CN114939297B (en) * | 2022-03-12 | 2024-05-17 | 中国石油化工股份有限公司 | Long-service-life residual oil hydrogenation raw material backwashing filter and maintenance method |
| CN116135280A (en) * | 2023-04-18 | 2023-05-19 | 东营联合石化有限责任公司 | Refined diesel oil hydrogenation washes filtration equipment |
| CN116135280B (en) * | 2023-04-18 | 2023-08-01 | 东营联合石化有限责任公司 | Refined diesel oil hydrogenation washes filtration equipment |
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