CN115975669A - Reduce back flush filter of hydrogenation oil yield - Google Patents
Reduce back flush filter of hydrogenation oil yield Download PDFInfo
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- CN115975669A CN115975669A CN202211724710.XA CN202211724710A CN115975669A CN 115975669 A CN115975669 A CN 115975669A CN 202211724710 A CN202211724710 A CN 202211724710A CN 115975669 A CN115975669 A CN 115975669A
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- filter
- filter cylinder
- shell
- scraping
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- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 19
- 238000007790 scraping Methods 0.000 claims abstract description 49
- 238000011010 flushing procedure Methods 0.000 claims abstract description 40
- 239000012535 impurity Substances 0.000 claims abstract description 35
- 238000005406 washing Methods 0.000 claims abstract description 28
- 238000011001 backwashing Methods 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 40
- 238000000926 separation method Methods 0.000 claims description 28
- 238000005507 spraying Methods 0.000 claims description 28
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims 7
- 238000010030 laminating Methods 0.000 claims 1
- 238000004939 coking Methods 0.000 abstract description 18
- 239000002283 diesel fuel Substances 0.000 abstract description 18
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000009736 wetting Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 17
- 239000012530 fluid Substances 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 239000003225 biodiesel Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The invention discloses a backwashing filter for reducing hydrogenation oil pollution, which belongs to the technical field of diesel oil hydrofining and aims at solving the problems of high flushing frequency and inconvenient operation when coking diesel oil enters the backwashing filter for filtration and impurity removal; the spray pipe can drive the frame type scraping rod and the spiral piece to synchronously rotate through the driving of the driving motor, so that the inner surface of the central filter cylinder and the top surface of the receiving filter plate can be subjected to rotary washing, rotary scraping and multiple collection and impurity removal treatment, the rotary rod and the frame type scraping rod synchronously and reversely rotate at a differential speed, the outer surface of the central filter cylinder and the inner surface of the central shell can be subjected to spray wetting, rotary scraping and reverse flushing collection and impurity removal treatment, and the top surface of the receiving filter plate, the inner surface and the outer surface of the central filter cylinder and the inner surface of the central shell can be synchronously washed.
Description
Technical Field
The invention belongs to the technical field of diesel oil hydrofining, and particularly relates to a backwashing filter for reducing hydrogenation sewage.
Background
The biodiesel has the characteristics of being renewable, environment-friendly and capable of replacing petroleum diesel, so that the biodiesel becomes the most popular diesel substitute, hydrogenated diesel mainly is diesel obtained by hydrogen sulfide generated by chemical reaction of hydrogen and sulfur in the diesel, and is also high-quality diesel, the hydrogenated diesel has good stability and can not change color for a long time, and the hydrogenation treatment is one of the most important refining methods of diesel products.
The technology for reducing the sulfur content of the diesel oil is the key for improving the quality of the diesel oil, and mainly comprises hydrodesulfurization, oxidative extraction, biological desulfurization and adsorption desulfurization, wherein the diesel oil hydrogenation is still the technology for producing the ultra-low sulfur diesel oil which is the main and most effective at the present stage.
Therefore, a backwashing filter for reducing the hydrogenation oil amount is needed, and the problems of high washing frequency and inconvenient operation of coking diesel oil in the prior art when the coking diesel oil enters the backwashing filter for filtering and impurity removal are solved.
Disclosure of Invention
The invention aims to provide a backwashing filter for reducing the hydrogenation sewage amount so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a reduce back flush filter of hydrogenation oil mass, includes casing and lower casing, go up the casing and can dismantle between the casing and be connected with central casing down, bottom one side intercommunication of casing has the inlet fluid pipeline down, down the casing with the junction of central casing is provided with accepts the filter plate, the top surface of accepting the filter plate is fixed with the holding ring, the top surface of accepting the filter plate be provided with the fixed central section of straining of holding ring inner wall is strained a section of thick bamboo, the top surface of straining a section of thick bamboo at the center is fixed with the diversion disc, the outside of straining a section of thick bamboo at the center is provided with the play liquid pipeline with central casing middle part surface intercommunication, go up the casing with accept and be provided with between the filter plate and strain the inside matched with internal flushing mechanism with the central section of thick bamboo, the surface of straining a section of thick bamboo at the center is provided with internal flushing mechanism, the bottom surface intercommunication of accepting the filter plate has main edulcoration pipe, the one side of guide cover be provided with the branch edulcoration pipe of accepting the filter plate bottom surface intercommunication of casing down.
According to the scheme, the inner washing mechanism comprises a plurality of fixed columns which are distributed at equal angles, a separation disc is jointly fixed on the bottom surfaces of the fixed columns, a liquid spraying pipe penetrates through the separation disc and the flow guide disc in a rotating mode, an inner washing pipe fixedly penetrating through the top surface of the upper shell is arranged on the outer surface of the top of the liquid spraying pipe, a plurality of frame type scraping rods which are fixed on the outer surface of the liquid spraying pipe are arranged on the inner surface of the central filter cylinder, a plurality of connecting rods which are distributed up and down are fixed between the opposite surfaces of the liquid spraying pipe and the frame type scraping rods, a spiral sheet fixedly sleeved with the outer surface of the bottom of the liquid spraying pipe is arranged on the inner wall of the material guide cover, a driven gear fixedly sleeved with the outer surface of the top of the liquid spraying pipe is arranged above the separation disc, a driving gear is rotatably connected between the separation disc and the upper shell, the driving gear is meshed with the driven gear, and a driving motor coaxially fixed with the driving gear is arranged on the top surface of the upper shell.
As a preferred embodiment, the top outer surface and the bottom outer surface of the frame-type scraping rods are respectively in contact with the bottom surface of the flow guide disc and the top surface of the receiving filter plate, the central outer surface of the frame-type scraping rods is in contact with the inner wall of the central filter cylinder, and the vertical section of the frame-type scraping rods, which is close to the spiral sheet, is in an inverted L-shaped arrangement.
It is further worth explaining that the outer washing mechanism comprises an outer washing pipe fixedly penetrating through the separation disc and the upper shell, a limiting ring is fixed on the inner surface of the top of the upper shell, a toothed ring is rotatably connected between the limiting ring and the separation disc and meshed with the driving gear, a plurality of rotating rods which are uniformly distributed are arranged on the outer surface of the separation disc, and the top ends of the rotating rods are fixed to the bottom surface of the toothed ring.
In a preferred embodiment, the vertical section of the rotating rod is in an inverted U-shape, the outer surface of the rotating rod contacts the inner surface of the central housing, and the inner surface of the rotating rod contacts the outer surface of the central filter cartridge.
It should be further noted that a supporting scraping rod is fixed on the inner surface of each rotating rod, the supporting scraping rods are in contact with the bottom surface of the separation disc, and the supporting scraping rods are distributed on the periphery of the liquid spraying pipe at equal angles.
As a preferred embodiment, the lower part of the supporting scraping rod is provided with a flow guide scraping rod which is tightly sleeved with the outer surface of the liquid spraying pipe, the top surface of the flow guide disc is in an arc surface arrangement, and the outer surface of the bottom of the flow guide scraping rod is in a fitting arrangement with the top surface of the flow guide disc.
In a preferred embodiment, the top outer surface of the positioning ring is an inclined arc surface, and the aperture of the receiving filter plate at the inner part of the central filter cylinder is larger than the aperture of the peripheral aperture of the central filter cylinder.
Compared with the prior art, the backwashing filter for reducing the hydrogenation sewage amount provided by the invention at least comprises the following beneficial effects:
(1) Carry the flush fluid respectively to the top surface of hydrojet pipe and guiding disc through interior flushing pipe and outer flushing pipe, drive through driving motor, can make the hydrojet pipe drive frame scrape pole and flight and rotate in step, thereby realize that the internal surface of straining a section of thick bamboo and accept the top surface of filter plate and rotate and wash, rotate and strike off and collect the edulcoration processing multiply, the dwang scrapes the pole with frame simultaneously and carries out synchronous reverse differential rotation, it drenches to realize leading of the surface of straining a section of thick bamboo and central casing internal surface to drench, rotate and strike off and the back flush collects the edulcoration processing, the top surface of realizing accepting the filter plate, the internal and external surface of straining a section of thick bamboo in the center and the internal surface of central casing carry out the synchronous washing processing, can improve the effect of washing it greatly, high flushing efficiency, degree of automation is strong.
(2) The supporting scraping rod is arranged and synchronously rotates along with the rotating rod, so that the bottom surface of the separation disc can be scraped, and the installation stability of the separation disc can be improved to a certain extent.
(3) Through the setting of water conservancy diversion scraper bar, make it rotate along with the spray pipe is synchronous, both can improve the distribution homogeneity of outer washing pipe to the flow guide plate top surface flush fluid to improve the moist effect of dwang, central cartridge filter surface and central casing internal surface, can rotate the top surface of flow guide plate again and strike off the processing.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial internal structure of the center housing according to the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a portion of the interior of a central filter cartridge according to the present invention;
FIG. 5 is a schematic view of a partial structure of the spiral sheet of the present invention;
fig. 6 is an enlarged structural diagram of the area B in fig. 5 according to the present invention.
In the figure: 1. an upper housing; 2. a lower housing; 3. a center housing; 4. a liquid inlet pipeline; 5. receiving the filter plate; 6. a positioning ring; 7. a central filter cartridge; 8. a flow guide disc; 9. a liquid outlet pipeline; 10. an inner flushing mechanism; 101. fixing a column; 102. an isolation disc; 103. a liquid spraying pipe; 104. an inner flushing pipe; 105. a frame type scraping rod; 106. a connecting rod; 107. a spiral sheet; 108. a driven gear; 109. a driving gear; 1010. a drive motor; 11. an external washing mechanism; 111. an outer wash tube; 112. a limiting ring; 113. a toothed ring; 114. rotating the rod; 12. a material guiding cover; 13. separating impurity removal pipes; 14. a main impurity removal pipe; 15. supporting the scraping rod; 16. a flow guiding scraping rod.
Detailed Description
The present invention will be further described with reference to the following examples.
Referring to fig. 1-6, the invention provides a backwashing filter for reducing hydrogenation oil pollution, which comprises an upper shell 1 and a lower shell 2, wherein a central shell 3 is detachably connected between the upper shell 1 and the lower shell 2, one side of the bottom of the lower shell 2 is communicated with a liquid inlet pipeline 4, a receiving filter plate 5 is arranged at the joint of the lower shell 2 and the central shell 3, a positioning ring 6 is fixed on the top surface of the receiving filter plate 5, a central filter cylinder 7 fixed with the inner wall of the positioning ring 6 is arranged on the top surface of the receiving filter plate 5, a flow guide disc 8 is fixed on the top surface of the central filter cylinder 7, a liquid outlet pipeline 9 communicated with the outer surface of the middle part of the central shell 3 is arranged on the outer side of the central filter cylinder 7, an inner flushing mechanism 10 matched with the interior of the central filter cylinder 7 is arranged between the upper shell 1 and the receiving filter plate 5, an outer flushing mechanism 11 matched with the inner flushing mechanism 10 is arranged on the outer surface of the central filter cylinder 7, a material guide cover 12 is communicated with the center of the bottom of the receiving filter plate 5, one side of the guide cover 12 is provided with an impurity separating pipe 13 communicated with the bottom of the receiving filter plate 5, and a main impurity removing pipe 14 is arranged on the bottom of the lower shell 2.
As further shown in fig. 2, 3, 4 and 5, it should be specifically noted that the internal flushing mechanism 10 includes a plurality of fixed pillars 101 distributed at equal angles, a separation disc 102 is jointly fixed to bottom surfaces of the fixed pillars 101, a liquid spraying pipe 103 is rotatably penetrated between the separation disc 102 and the diversion disc 8, an internal flushing pipe 104 fixedly penetrating through a top surface of the upper housing 1 is arranged on an outer surface of a top portion of the liquid spraying pipe 103, a plurality of framed wiper bars 105 each fixed to an outer surface of the liquid spraying pipe 103 are arranged on an inner surface of the central filter cartridge 7, a plurality of connecting rods 106 distributed up and down are fixed between opposite surfaces of the liquid spraying pipe 103 and the framed wiper bars 105, a spiral piece 107 fixedly sleeved to an outer surface of a bottom portion of the liquid spraying pipe 103 is arranged on an inner wall of the material guiding cover 12, a driven gear 108 fixedly sleeved to an outer surface of a top portion of the liquid spraying pipe 103 is arranged above the separation disc 102, a driving gear 109 is rotatably connected between the separation disc 102 and the upper housing 1, the driving gear 109 is engaged with the driven gear 108, and a driving motor 1010 is installed on a top surface of the upper housing 1 coaxially fixed to the driving gear 109.
As further shown in fig. 4 and 5, it is worth specifying that top outer surfaces and bottom outer surfaces of the plurality of frame-type scraping bars 105 are respectively in contact with the bottom surface of the baffle plate 8 and the top surface of the receiving filter plate 5, a central outer surface of the frame-type scraping bar 105 is in contact with an inner wall of the central filter cartridge 7, and a vertical section of the frame-type scraping bar 105 near the spiral piece 107 is in an inverted L-shape.
As further shown in fig. 2, 4 and 5, it is worth specifically describing that the external washing mechanism 11 includes an external washing pipe 111 fixedly penetrating through the separation disc 102 and the upper housing 1, a limiting ring 112 is fixed on the inner surface of the top of the upper housing 1, a toothed ring 113 is rotatably connected between the limiting ring 112 and the separation disc 102, the toothed ring 113 is in meshing connection with the driving gear 109, a plurality of uniformly distributed rotating rods 114 are disposed on the outer surface of the separation disc 102, the top end of the rotating rod 114 is fixed to the bottom surface of the toothed ring 113, the vertical section of the rotating rod 114 is in an inverted U-shape, the outer surface of the rotating rod 114 contacts with the inner surface of the central housing 3, and the inner surface of the rotating rod 114 contacts with the outer surface of the central filter cartridge 7.
The scheme has the following working processes: when the coking diesel oil is subjected to filtering and impurity removing treatment through a backwashing filter, firstly, the coking diesel oil enters the lower shell 2 through the oil inlet pipeline for temporary storage, most coking diesel oil overflows into the central filter cylinder 7 through the pores of the receiving filter plate 5 along with the continuous feeding of the coking diesel oil until the liquid level of the coking diesel oil reaches the liquid outlet pipeline 9, when the conveying rate of the coking diesel oil is high, the coking diesel oil can fill the whole central filter cylinder 7, at the moment, double filtering and impurity removing treatment on the coking diesel oil can be realized through the receiving filter plate 5 and the central filter cylinder 7, the filtering and impurity removing effects of the coking diesel oil are effectively improved, in addition, due to the arrangement of the spiral piece 107, part coking oil can overflow from the spiral piece 107 to the inside of the central filter cylinder 7 through the action of the material guide cover 12, the spiral piece 107 is spirally arranged, the coking oil can enter the central filter cylinder 7 smoothly for filtering and impurity removing treatment, and the speed of the coking oil entering the central filter cylinder can be slowed down to a certain extent, so that the filtering and impurity removing effects on the coking oil can be ensured;
when the inner and outer surfaces of the central filter cartridge 7 are washed, the washing liquid in the inner washing pipe 104 and the outer washing pipe 111 are opened by an electromagnetic valve externally connected to the inner washing pipe 104 and the outer washing pipe 111, so that the washing liquid in the inner washing pipe 104 enters the liquid spraying pipe 103, and the washing liquid in the outer washing pipe 111 falls to the surface of the deflector 8, at this time, the liquid spraying pipe 103, the frame type scraping rod 105, the spiral piece 107 and the rotating rod 114 are driven to synchronously rotate by the driving of the driving motor 1010 and the reverse meshing transmission of the driving gear 109 and the driven gear 108 and the homonymous meshing transmission of the driving gear 109 and the toothed ring 113, while the inner surface of the central filter cartridge 7 is rotatably sprayed by the rotation of the liquid spraying pipe 103, the frame type scraping rod 105 can rotatably scrape the inner surface of the central filter cartridge 7, so that impurities fall to the rotating rod for receiving the filter cartridge 5, and the frame type scraping rod 105 and the liquid spraying pipe 103 continuously rotate, part of the impurities fall into the rotating rod for receiving the impurities from the main impurity removing impurities in the main impurity collecting pipe 5 and collecting impurities from the inner surface of the filter cartridge 5, and the inner surface of the filter cartridge 14, thereby realizing the collection of the filter cartridge 5 by the wet impurity collecting impurities and the inner surface of the filter cartridge 14, and the filter cartridge 13, and collecting impurities by the rotation of the inner surface of the main filter cartridge 13, and the inner surface of the filter cartridge 14, and the filter cartridge 13, the impurities with smaller specifications on the outer surface of the central filter cylinder 7 and the inner surface of the central shell 3 are directly scraped and fall to the outer side of the receiving filter plate 5, the impurities can be subjected to reverse flushing treatment from the top surface of the receiving filter plate 5 through flushing fluid continuously fed into the outer flushing pipe 111, and then the impurities fall to the main impurity removal pipe 14 for collection and impurity removal treatment, so that the effects of wetting guiding and spraying, scraping in rotation and reverse flushing collection and impurity removal treatment on the outer surface of the central filter cylinder 7 and the inner surface of the central shell 3 are achieved.
According to the working process, the following steps are carried out: carry the flush fluid respectively to the top surface of spray tube 103 and guiding disc 8 through interior flushing pipe 104 and outer flushing pipe 111, through the drive of driving motor 1010, can make spray tube 103 drive frame scraper bar 105 and flight 107 and carry out synchronous rotation, thereby realize rotating the internal surface of central filter cylinder 7 and accept the top surface of filter plate 5 and wash, rotate and strike off and collect the edulcoration processing more, dwang 114 carries out synchronous reverse differential rotation with frame scraper bar 105 simultaneously, realize leading of the external surface of central filter cylinder 7 and 3 internal surfaces of center casing and drench moist, rotate and strike off and reverse flush and collect the edulcoration processing, realize carrying on the top surface of filter plate 5, the internal and external surfaces of central filter cylinder 7 and the internal surface of center casing 3 and wash the processing in step, can improve the effect of washing it greatly, high flushing efficiency, and high automation degree.
As further shown in fig. 4 and fig. 6, it is worth specifically describing that the inner surface of each rotating rod 114 is fixed with a supporting scraping rod 15, the supporting scraping rods 15 are in contact with the bottom surface of the separation disc 102, the supporting scraping rods 15 are distributed around the periphery of the liquid spraying pipe 103 at equal angles, and the supporting scraping rods 15 are arranged and rotate synchronously with the rotating rod 114, so that the bottom surface of the separation disc 102 can be scraped, and the installation stability of the separation disc 102 can be improved to a certain extent.
Further as shown in fig. 4 and fig. 6, it is worth specifically explaining that a diversion scraping rod 16 tightly sleeved with the outer surface of the liquid spraying pipe 103 is arranged below the supporting scraping rod 15, the top surface of the flow guiding disc 8 is arranged in an arc shape, the outer surface of the bottom of the diversion scraping rod 16 is arranged in a fitting manner with the top surface of the flow guiding disc 8, and the diversion scraping rod 16 is arranged so as to rotate synchronously along with the liquid spraying pipe 103, so that the distribution uniformity of the washing liquid on the top surface of the flow guiding disc 8 by the outer washing pipe 111 can be improved, the wetting effect of the outer surface of the rotating rod 114, the outer surface of the central filter cylinder 7 and the inner surface of the central shell 3 is improved, and the top surface of the flow guiding disc 8 can be scraped by rotating.
Further, as shown in fig. 4, it is worth specifically explaining that the outer surface of the top of the positioning ring 6 is arranged in an inclined arc surface, the size of the aperture of the receiving filter plate 5 at the inner part of the central filter cylinder 7 is larger than the size of the peripheral aperture of the central filter cylinder 7, and the size of the aperture of the receiving filter plate 5 at the inner part and the outer part of the central filter cylinder 7 is larger than that of the central filter cylinder 7, so that the sufficiency of filtering and removing impurities of coking oil entering the central filter cylinder 7 from the center of the receiving filter plate 5 is improved, and the coking oil meets the specification of impurities on the outer surface of the central filter cylinder 7, and the normal falling, collecting and processing effects of the impurities on the outer surface of the central filter cylinder 7 during flushing processing can be ensured.
To sum up: the top surfaces of the spray pipe 103 and the flow guide disc 8 are respectively conveyed with flushing fluid through the inner flushing pipe 104 and the outer flushing pipe 111, through the driving of the driving motor 1010, the spray pipe 103 can drive the frame type scraping rod 105 and the spiral piece 107 to synchronously rotate, so that the inner surface of the central filter cylinder 7 and the top surface of the bearing filter plate 5 are rotationally flushed, rotationally scraping and multiple collection impurity removal processing are realized, meanwhile, the rotating rod 114 and the frame type scraping rod 105 synchronously rotate in a reverse differential mode, the outer surface of the central filter cylinder 7 and the inner surface of the central shell 3 are guided to wet, rotationally scraping and reverse flushing collection impurity removal processing are realized, the flow guide scraping rod 16 is arranged, the flow guide scraping rod is synchronously rotated along with the spray pipe 103, the distribution uniformity of the flushing fluid on the top surface of the flow guide disc 8 by the outer flushing pipe 111 can be improved, the wetting effects of the outer surface of the central filter cylinder 7 and the inner surface of the central shell 3 are improved, the top surface of the flow guide disc 8 can be rotationally treated, the top surface of the bearing filter plate 5, the scraping surface of the central filter cylinder 7 and the inner surface of the central shell 3 are synchronously flushed, the flushing effect is greatly improved, and the flushing effect is high, and the flushing effect is realized, and the flushing effect of the flushing effect is high, and the flushing effect of flushing effect is high automatic flushing degree of flushing effect is realized.
The driving motor 1010 is commercially available, and the driving motor 1010 is provided with a power supply, which belongs to the mature technology in the field and is fully disclosed, so that repeated description is omitted in the specification.
Claims (8)
1. The backwashing filter for reducing the hydrogenation oil pollution comprises an upper shell (1) and a lower shell (2), wherein a central shell (3) is detachably connected between the upper shell (1) and the lower shell (2), and is characterized in that a liquid inlet pipeline (4) is communicated with one side of the bottom of the lower shell (2), a receiving filter plate (5) is arranged at the joint of the lower shell (2) and the central shell (3), a positioning ring (6) is fixed on the top surface of the receiving filter plate (5), a central filter cylinder (7) fixed on the inner wall of the positioning ring (6) is arranged on the top surface of the receiving filter plate (5), a flow guide disc (8) is fixed on the top surface of the central filter cylinder (7), a liquid outlet pipeline (9) communicated with the outer surface of the middle part of the central shell (3) is arranged on the outer side of the central filter cylinder (7), an internal flushing mechanism (10) matched with the central filter cylinder (7) is arranged between the upper shell (1) and the receiving filter plate (5), an external flushing mechanism (11) matched with the internal flushing mechanism (11) matched with the central filter cylinder (7) is arranged on the outer surface of the central filter cylinder (7), and a material guide cover (12) communicated with one side of the receiving filter plate (5), the bottom surface of the lower shell (2) is communicated with a main impurity removal pipe (14).
2. The backwash filter for reducing the amount of hydrogenation wastewater according to claim 1, wherein: the inner washing mechanism (10) comprises a plurality of fixed columns (101) which are distributed at equal angles, a separation disc (102) is jointly fixed on the bottom surfaces of the fixed columns (101), a liquid spraying pipe (103) penetrates through the separation disc (102) and the flow guide disc (8) in a rotating mode, an inner washing pipe (104) which fixedly penetrates through the top surface of the upper shell (1) is arranged on the outer surface of the top of the liquid spraying pipe (103), a plurality of frame type scraping rods (105) which are fixedly connected with the outer surface of the liquid spraying pipe (103) are arranged on the inner surface of the central filter drum (7), a plurality of connecting rods (106) which are distributed up and down are fixedly arranged between the liquid spraying pipe (103) and the frame type scraping rods (105), a driving gear (108) which is fixedly connected with the outer surface of the top of the liquid spraying pipe (103) in a sleeved mode is arranged on the upper portion of the inner wall of the material guide cover (12), a driving gear (109) is rotatably connected between the separation disc (102) and the upper shell (1), and a driving gear (109) which is coaxially meshed with the driving gear (1010) is mounted on the top surface of the separation shell (109).
3. The backwash filter for reducing the amount of hydrogenation wastewater according to claim 2, wherein: it is a plurality of top surface and bottom surface of frame bar of scraping (105) respectively with the bottom surface of flow guide disc (8) and the top surface of accepting filter plate (5) contact, the center surface of frame bar of scraping (105) with the inner wall of central filter cylinder (7) contacts, frame bar of scraping (105) are close to the vertical cross-section of flight (107) department is the L shape setting of handstand.
4. The backwash filter for reducing the amount of hydrogenation wastewater according to claim 2, wherein: outer washing mechanism (11) are including fixed outer washing pipe (111) that runs through separation disc (102) and last casing (1), the top internal surface of going up casing (1) is fixed with spacing ring (112), spacing ring (112) with it is connected with profile of tooth circle (113) to rotate between separation disc (102), profile of tooth circle (113) with the meshing is connected between driving gear (109), the surface of separation disc (102) is provided with a plurality of dwang (114) that are evenly distributed, the top of dwang (114) with the bottom surface of profile of tooth circle (113) is fixed.
5. The backwash filter for reducing the amount of hydrogenation wastewater according to claim 4, wherein: the vertical cross-section of dwang (114) is the U-shaped setting of handstand, the surface of dwang (114) the internal surface of central casing (3) contacts, the internal surface of dwang (114) with the surface of central straining a section of thick bamboo (7) contacts.
6. The backwash filter for reducing the amount of hydrogenation wastewater according to claim 5, wherein: every the internal surface of dwang (114) all is fixed with supports and scrapes pole (15), support scrape pole (15) with the bottom surface of separation disc (102) contacts, it is a plurality of support scrape pole (15) be the equipartition angle distribution in the periphery of hydrojet pipe (103).
7. The backwash filter for reducing the amount of hydrogenation wastewater according to claim 6, wherein: the below of supporting scraping rod (15) be provided with water conservancy diversion scraping rod (16) that spray tube (103) surface fastening cup jointed, the top surface of flow deflector (8) is the cambered surface setting, the bottom surface of water conservancy diversion scraping rod (16) with the top surface of flow deflector (8) is the laminating setting.
8. The backwash filter for reducing the amount of hydrogenation wastewater according to claim 1, wherein: the outer surface of the top of the positioning ring (6) is in an inclined arc surface arrangement, and the hole diameter of the receiving filter plate (5) at the inner part of the central filter cylinder (7) is larger than the hole diameter of the periphery of the central filter cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211724710.XA CN115975669A (en) | 2022-12-30 | 2022-12-30 | Reduce back flush filter of hydrogenation oil yield |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211724710.XA CN115975669A (en) | 2022-12-30 | 2022-12-30 | Reduce back flush filter of hydrogenation oil yield |
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| CN115975669A true CN115975669A (en) | 2023-04-18 |
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| CN202211724710.XA Pending CN115975669A (en) | 2022-12-30 | 2022-12-30 | Reduce back flush filter of hydrogenation oil yield |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116531870A (en) * | 2023-06-26 | 2023-08-04 | 北京哈泰克工程技术有限公司 | A filtration equipment for atmospheric pollution is administered |
| CN117050778A (en) * | 2023-08-29 | 2023-11-14 | 湖北天基生物能源科技发展有限公司 | Second-generation biodiesel preparation system based on hydrodesulfurization treatment |
-
2022
- 2022-12-30 CN CN202211724710.XA patent/CN115975669A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116531870A (en) * | 2023-06-26 | 2023-08-04 | 北京哈泰克工程技术有限公司 | A filtration equipment for atmospheric pollution is administered |
| CN116531870B (en) * | 2023-06-26 | 2024-03-19 | 北京哈泰克工程技术有限公司 | A filtration equipment for atmospheric pollution is administered |
| CN117050778A (en) * | 2023-08-29 | 2023-11-14 | 湖北天基生物能源科技发展有限公司 | Second-generation biodiesel preparation system based on hydrodesulfurization treatment |
| CN117050778B (en) * | 2023-08-29 | 2024-07-23 | 湖北天基生物能源股份有限公司 | Second-generation biodiesel preparation system based on hydrodesulfurization treatment |
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Application publication date: 20230418 |