CN114890621B - Oil tank cleaning wastewater treatment process - Google Patents
Oil tank cleaning wastewater treatment process Download PDFInfo
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- CN114890621B CN114890621B CN202210512994.XA CN202210512994A CN114890621B CN 114890621 B CN114890621 B CN 114890621B CN 202210512994 A CN202210512994 A CN 202210512994A CN 114890621 B CN114890621 B CN 114890621B
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- 238000004065 wastewater treatment Methods 0.000 title claims description 8
- 238000007790 scraping Methods 0.000 claims abstract description 51
- 239000012535 impurity Substances 0.000 claims abstract description 42
- 239000007787 solid Substances 0.000 claims abstract description 37
- 239000002699 waste material Substances 0.000 claims abstract description 30
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 239000002351 wastewater Substances 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004576 sand Substances 0.000 claims abstract description 8
- 230000005484 gravity Effects 0.000 claims abstract description 4
- 238000004062 sedimentation Methods 0.000 claims abstract description 4
- 230000015271 coagulation Effects 0.000 claims abstract 6
- 238000005345 coagulation Methods 0.000 claims abstract 6
- 230000008093 supporting effect Effects 0.000 claims description 95
- 230000033001 locomotion Effects 0.000 claims description 33
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000001112 coagulating effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- B01D29/01—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 flat filtering elements
- B01D29/03—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 flat filtering elements self-supporting
-
- 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
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a treatment process of oil tank cleaning wastewater, which relates to the technical field of energy conservation and environmental protection, and comprises the following steps: the method comprises the following steps: filtering the oily wastewater by a filtering system; step two: adjusting the pH value of the filtered wastewater to 6.5-7.5, and then introducing the water into a biochemical treatment unit for biochemical treatment; step three: water discharged from the biochemical treatment unit enters a post-treatment unit consisting of a coagulation sedimentation tank, a coagulation pressure type sand filter and a coagulation gravity type sand filter, so that the SS index of the treated water reaches below 10mg/L, and the COD index is reduced to below 30 mg/L; according to the invention, the scraping mechanism capable of moving up and down is arranged on the side of the filter screen, and the scraping mechanism has the function of moving up and down, so that solid impurities deposited on the filter screen can be discharged out of the guide pipe through the waste material outlet hole, and thus, the filter screen does not need to be stopped for cleaning, and the effect of high-efficiency filtration can be achieved.
Description
Technical Field
The invention relates to the technical field of energy conservation and environmental protection, in particular to a process for treating oil tank cleaning wastewater.
Background
In the long-term use process of the oil tank, impurities such as water, oil dirt, fibers and iron rust which are loaded in the oil loading and unloading process along with the oil are gradually accumulated in the oil tank, the quality of the oil is gradually seriously affected by the accumulated sediments in the tank body along with the increase of time, so that the oil tank needs to be cleaned regularly, the waste water discharged after the oil tank is cleaned contains a large amount of impurities, and the impurities in the waste water need to be filtered to realize the waste water pretreatment.
The prior art at least has the following technical problems: the oil tank cleaning wastewater preliminary treatment filtering process who uses at present sets up the filter screen in waste water pipeline, filters out impurity through the filter screen, need frequently clear up the impurity that the filter screen surface gathered, and need close pipeline transportation process owing to filter out the impurity clearance in-process, carries discharge efficiency to waste water and influences greatly, and the practicality is poor. In order to solve the problems, the invention provides a process for treating oil tank cleaning wastewater.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to practical requirements and provide a process for treating oil tank cleaning wastewater so as to solve the technical problems.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
a process for treating oil tank cleaning wastewater comprises the following steps:
the method comprises the following steps: filtering the oily wastewater by a filtering system;
step two: adjusting the pH value of the filtered wastewater to 6.5-7.5, and then introducing the water into a biochemical treatment unit for biochemical treatment;
step three: and (3) the water discharged from the biochemical treatment unit enters a post-treatment unit consisting of a coagulating sedimentation tank, a coagulating pressure type sand filter and a coagulating gravity type sand filter, so that the SS index of the treated water reaches below 10mg/L, and the COD index is reduced to below 30 mg/L.
Further, filtration system includes honeycomb duct and filter screen, be provided with the filter screen in the honeycomb duct, and fixed the grafting has a supporting box on the roof of honeycomb duct, honeycomb duct and supporting box communicate mutually to constitute a workspace, be provided with in the workspace and strike off the mechanism, it porosely to have seted up the waste material on the supporting box, and fixedly connected with check baffle on the inside wall of supporting box, the check baffle is L shape structure.
Further, strike off the mechanism including striking off board and vertical board, strike off the lateral wall of board and vertical board and articulate mutually, and strike off the free end of board and the lateral wall looks butt of filter screen, strike off the first arc pole of the lateral wall fixedly connected with of board, and first arc pole activity is pegged graft on vertical board, the free end fixed connection of vertical board is on the bearing board, first arc pole outer winding is connected with reset spring, and reset spring's both ends respectively fixed connection on the lateral wall of vertical board and on the lateral wall of first arc pole, fixedly connected with vertical pole on the up end of vertical board, and the upper end fixed connection of vertical pole is on drive assembly.
Further, drive assembly includes rectangular pipe and spur rack, all be connected with the spur rack on two inside walls that the rectangular pipe is relative, and two spur racks mesh with lacking the gear mutually in turn, lack the fixed grafting on the gear and have first pivot pole, and first pivot pole rotates and pegs graft on the lateral wall of supporting box, fixedly connected with direction supporting component's one end on the up end of rectangular pipe, direction supporting component's other end fixed connection is on the interior roof of supporting box.
Further, the direction supporting component includes direction bracing piece, direction supporting cylinder and direction supporting spring, the activity of direction bracing piece is pegged graft in the direction supporting cylinder, direction supporting spring winding is connected outside the direction bracing piece, and the both ends of direction supporting spring fixed connection respectively on the lateral wall of direction bracing piece and on the lateral wall of direction supporting cylinder.
Further, be provided with the knock mechanism in the supporting box, the knock mechanism includes first belt and second dwang, the second dwang rotates and pegs graft on the inside wall of supporting box, second dwang and first dwang are connected through first belt transmission, and the free end fixedly connected with rolling disc of second dwang, be provided with the knock member piece on the rolling disc.
Furthermore, the knocking rod piece comprises a knocking rod and a moving groove, the knocking rod is movably inserted into the moving groove, the moving groove is formed in the rotating disc, one end of a limiting support assembly is fixedly connected to the knocking rod, and the other end of the limiting support assembly is fixedly connected to the side wall of the moving groove.
Further, the limiting support assembly comprises a limiting support rod, a limiting support barrel and a limiting support spring, the limiting support rod is movably inserted into the limiting support barrel, the limiting support rod is wound outside and connected with the limiting support spring, and two ends of the limiting support spring are fixedly connected to the side wall of the limiting support rod and the outer side wall of the limiting support barrel respectively.
Further, a pushing mechanism is arranged in the supporting box and comprises a second arc-shaped rod and a sliding block, the second arc-shaped rod is movably inserted into the vertical plate, one end of the second arc-shaped rod is hinged to the side wall of the bearing plate, the other end of the second arc-shaped rod is hinged to the sliding block, the sliding block is arranged in the sliding groove in a sliding mode, the sliding groove is formed in the pushing plate, a moving groove is formed in the pushing plate, the pushing plate is movably arranged in the supporting groove, and the supporting groove is formed in the vertical plate.
Further, be provided with outside the draft tube and collect the mechanism, it includes axis of rotation, vertical board, driving motor, second belt and conveyer belt to collect the mechanism, driving motor's drive end is connected with one of them axis of rotation, and driving motor is fixed to be set up in the backup pad, another the axis of rotation rotates and sets up in the backup pad, and two axes of rotation pass through the conveyer belt transmission and connect, the backup pad is fixed to be set up on the lateral wall of draft tube, one of them axis of rotation and first pivot pole pass through the second belt transmission and connect.
The oily sewage flows from the right end to the left end of the guide pipe to perform filtering operation, and solid impurities are deposited on the filter screen in the flowing process;
in the filtering process, the driving motor drives one of the rotating shafts and the conveying belt to drive the other rotating shaft to rotate, the second belt drives the first rotating rod to rotate, and the rotation of the first rotating rod drives the notch gear to rotate, so that the notch gear is matched with the two straight racks, and the rectangular pipe is driven to move up and down;
in the downward movement of the rectangular pipe, the vertical plate is driven by the vertical rod to move downwards, the scraping plate is rotated clockwise under the interference of the filter screen, the bearing plate moves rightwards, the first rotating rod rotates to drive the second rotating rod to rotate through the first belt, the second rotating rod drives the rotating disc to rotate, the vertical plate is knocked through the knocking rod piece on the rotating disc, and solid impurities are prevented from being deposited on the vertical plate;
then, along with the upward movement of the vertical plate, the scraping plate scrapes off and carries the solid impurities deposited on the filter screen to move upwards, when the scraping plate moves to the waste outlet position, part of the solid impurities can fall onto a conveyor belt through the waste outlet, and meanwhile, when the scraping plate moves to the waste outlet position, the scraping plate loses the contact force and does counterclockwise reset movement under the action of a reset spring; the supporting plate also does reset movement along with the supporting plate, the pushing plate can be pushed to move out of the supporting groove through the second arc-shaped rod in the movement process, the solid impurities placed on the scraping plate can be pushed out of the waste material outlet hole by the movement of the pushing plate, and the solid impurities fall onto the conveying belt and are conveyed away.
According to the invention, the scraping mechanism capable of moving up and down is arranged on the side of the filter screen, and the solid impurities deposited on the filter screen can be discharged out of the flow guide pipe through the waste outlet hole due to the up-and-down function of the scraping mechanism, so that the filter screen does not need to be stopped for cleaning, and the effect of high-efficiency filtration can be achieved.
According to the invention, the lattice baffles in L-shaped structures are arranged above the waste outlet holes and the scraping plate, so that the lattice baffles can play a role of blocking upward solid impurities and ensure that the solid impurities can be discharged out of the supporting box through the waste outlet holes, and meanwhile, the lattice baffles can play a role of scraping the side wall of the vertical plate, so that the solid impurities are prevented from being adhered to the vertical plate.
According to the invention, the push-out mechanism is arranged on the vertical plate and is used for pushing out the solid impurities which are carried upwards by the scraping plate, so that the solid impurities carried upwards by the scraping plate are all discharged out of the supporting box through the waste material outlet hole.
According to the invention, the knocking mechanism is arranged in the supporting box, so that the vertical plate generates vibration frequency, solid impurities can be prevented from being deposited on the vertical plate, the knocking mechanism is reasonable in structural design, and the vertical plate can be knocked only in the upward movement process of the vertical plate, so that the vertical plate generates vibration.
The combined structure of the scraping mechanism, the knocking mechanism, the pushing-out mechanism and the collecting mechanism can realize the linkage effect, so that the combined structure can be controlled only by the same power source, the production cost is reduced, and the operation difficulty of equipment can be reduced and the operation performance of the equipment can be improved due to the linkage effect.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the oil tank cleaning wastewater treatment process of the invention;
FIG. 2 is a schematic view of the structure of a scraping mechanism in FIG. 1 for the treatment process of oil tank cleaning wastewater according to the present invention;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged schematic view of the pushing mechanism in FIG. 2 according to the present invention;
FIG. 5 is a schematic view of a partial enlarged structure of FIG. 1 illustrating the tank cleaning wastewater treatment process according to the present invention;
fig. 6 is an enlarged schematic view of the structure B in fig. 5 of the tank cleaning wastewater treatment process of the invention.
The reference numbers are as follows:
the device comprises a guide pipe 1, a filter screen 2, a support box 3, a waste outlet 31, a grid baffle 32, a scraping mechanism 4, a scraping plate 41, a vertical plate 42, a first arc-shaped rod 43, a return spring 44, a supporting plate 45, a vertical rod 46, a driving assembly 47, a rectangular pipe 471, a spur rack 472, a missing gear 473, a first rotating rod 474, a guide supporting assembly 475, a guide supporting rod 4751, a guide supporting cylinder 4752, a guide supporting spring 4753, a knocking mechanism 5, a first belt 51, a second rotating rod 52, a rotating disc 53, a knocking rod 54, a knocking rod 541, a moving groove two 542, a limit supporting assembly 543, a limit supporting rod 5431, a limit supporting cylinder 5432, a limit supporting spring 5433, a push-out mechanism 6, a second arc-shaped rod 61, a sliding block 62, a sliding groove 63, a push-out plate 64, a moving groove one 65, a supporting groove 66, a collecting mechanism 7, a rotating shaft 71, a supporting plate 72, a driving motor 73, a second belt 74 and a conveying belt 75.
Detailed Description
The invention will be further illustrated with reference to the following figures 1-6 and examples:
a process for treating oil tank cleaning wastewater comprises the following steps:
the method comprises the following steps: filtering the oily wastewater by a filtering system;
step two: adjusting the pH value of the filtered wastewater to 6.5-7.5, and then introducing the water into a biochemical treatment unit for biochemical treatment;
step three: and (3) the water discharged from the biochemical treatment unit enters a post-treatment unit consisting of a coagulating sedimentation tank, a coagulating pressure type sand filter and a coagulating gravity type sand filter, so that the SS index of the treated water reaches below 10mg/L, and the COD index is reduced to below 30 mg/L.
In the embodiment, the filtering system comprises a flow guide pipe 1 and a filter screen 2, the filter screen 2 is arranged in the flow guide pipe 1, a support box 3 is fixedly inserted into a top plate of the flow guide pipe 1, the flow guide pipe 1 is communicated with the support box 3 to form a working area, a scraping mechanism 4 is arranged in the working area, a waste material outlet 31 is formed in the support box 3, a grid baffle 32 is fixedly connected to the inner side wall of the support box 3, and the grid baffle 32 is of an L-shaped structure.
In this embodiment, the scraping mechanism 4 includes a scraping plate 41 and a vertical plate 42, the scraping plate 41 is hinged to a side wall of the vertical plate 42, a free end of the scraping plate 41 abuts against a side wall of the filter screen 2, a first arc rod 43 is fixedly connected to the side wall of the scraping plate 41, the first arc rod 43 is movably inserted into the vertical plate 42, the free end of the vertical plate 42 is fixedly connected to a supporting plate 45, a return spring 44 is wound outside the first arc rod 43, two ends of the return spring 44 are respectively fixedly connected to the side wall of the vertical plate 42 and the side wall of the first arc rod 43, a vertical rod 46 is fixedly connected to an upper end surface of the vertical plate 42, and an upper end of the vertical rod 46 is fixedly connected to a driving assembly 47.
In this embodiment, drive assembly 47 includes rectangular pipe 471 and spur rack 472, all be connected with spur rack 472 on two relative inside walls of rectangular pipe 471, and two spur racks 472 mesh mutually with scarce gear 473 in turn, it has first rotation pole 474 to peg graft on scarce gear 473, and first rotation pole 474 rotates and pegs graft on the lateral wall of supporting box 3, fixedly connected with direction supporting component 475's one end on the up end of rectangular pipe 471, direction supporting component 475's other end fixed connection is on the interior roof of supporting box 3, drive assembly 47's setting, can realize driven effect, can reduce the addding of power supply like this, and production cost is reduced.
In this embodiment, the guiding support component 475 includes a guiding support rod 4751, a guiding support cylinder 4752 and a guiding support spring 4753, the guiding support rod 4751 is movably inserted into the guiding support cylinder 4752, the guiding support spring 4753 is wound and connected outside the guiding support rod 4751, and two ends of the guiding support spring 4753 are respectively and fixedly connected to the side wall of the guiding support rod 4751 and the outer side wall of the guiding support cylinder 4752, the guiding support component 475 is arranged, which not only can play a guiding support role for the up-and-down movement of the rectangular tube 471, but also can provide a reset force for the up-and-down movement of the rectangular tube 471.
In the embodiment, the support box 3 is internally provided with the knocking mechanism 5 in the support box 3, the knocking mechanism 5 comprises a first belt 51 and a second rotating rod 52, the second rotating rod 52 is rotatably inserted into the inner side wall of the support box 3, the second rotating rod 52 is in transmission connection with the first rotating rod 474 through the first belt 51, the free end of the second rotating rod 52 is fixedly connected with a rotating disc 53, and a knocking rod piece 54 is arranged on the rotating disc 53.
In this embodiment, strike the member 54 including strike pole 541 and two 542 in the removal groove, strike the activity of pole 541 and peg graft in two 542 in the removal groove, and two 542 in the removal groove are seted up on rolling disc 53, strike the one end of the spacing supporting component 543 of fixedly connected with on the pole 541, and the other end fixed connection of spacing supporting component 543 is on the lateral wall of two 542 in the removal groove, strike the setting of member 54, can play the effect of anti-sticking on the one hand, strike the member 54 and strike when hitting vertical plate 42, strike the pole 541 and can move to two 542 in the removal groove, so both can realize the effect of striking, and simultaneously, can play the effect of anti-sticking.
In this embodiment, spacing supporting component 543 includes spacing bracing piece 5431, a spacing supporting section of thick bamboo 5432 and spacing supporting spring 5433, spacing bracing piece 5431 activity is pegged graft in a spacing supporting section of thick bamboo 5432, spacing bracing piece 5431 outer winding is connected with spacing supporting spring 5433, and spacing supporting spring 5433's both ends respectively fixed connection on spacing bracing piece 5431's lateral wall and on spacing supporting section of thick bamboo 5432's lateral wall, spacing supporting component 543's setting, both can play spacing supporting's effect for the motion of tapping pole 541, and simultaneously, can provide power for the motion that resets of tapping pole 541 again.
In this embodiment, the supporting box 3 is internally provided with the pushing mechanism 6, the pushing mechanism 6 includes a second arc rod 61 and a sliding block 62, the second arc rod 61 is movably inserted into the vertical plate 42, one end of the second arc rod 61 is hinged to the side wall of the supporting plate 45, the other end of the second arc rod 61 is hinged to the sliding block 62, the sliding block 62 is slidably disposed in a sliding groove 63, the sliding groove 63 is disposed on a pushing plate 64, the pushing plate 64 is provided with a moving groove 65, the pushing plate 64 is movably disposed in a supporting groove 66, and the supporting groove 66 is disposed on the vertical plate 42.
In this embodiment, the collecting mechanism 7 is disposed outside the draft tube 1, the collecting mechanism 7 includes a rotating shaft 71, a vertical plate 72, a driving motor 73, a second belt 74 and a conveyor belt 75, a driving end of the driving motor 73 is connected with one of the rotating shafts 71, the driving motor 73 is fixedly disposed on the support plate 72, the other rotating shaft 71 is rotatably disposed on the support plate 72, the two rotating shafts 71 are in transmission connection with each other through the conveyor belt 75, the support plate 72 is fixedly disposed on the outer side wall of the draft tube 1, and one of the rotating shafts 71 and the first rotating rod 474 are in transmission connection with each other through the second belt 74.
The combined structure of the scraping mechanism 4, the knocking mechanism 5, the pushing mechanism 6 and the collecting mechanism 7 can realize the linkage effect, so that the combined structure can be controlled only by the same power source, the production cost is reduced, and the generation of the linkage effect can reduce the operation difficulty of equipment and improve the operation performance of the equipment.
The working principle of the filtering process comprises the following steps:
the oily sewage flows from the right end to the left end of the flow guide pipe 1, and solid impurities are deposited on the filter screen 2 in the flowing process;
the driving motor 73 is started, the driving motor 73 drives the other rotating shaft 71 to rotate through one rotating shaft 71 and the conveyor belt 75, the rotating shaft 71 rotates through the second belt 74 to drive the first rotating rod 474 to rotate, on one hand, the first rotating rod 474 drives the missing gear 473 to rotate, and as the missing gear 473 is alternately meshed with the two groups of spur racks 472 (the two groups of spur racks 472 are arranged in parallel), under the combined action of the two spur racks 472 and the missing gear 473, the rectangular pipe 471 is driven to move up and down, the rectangular pipe 471 moves downwards, the vertical plate 42 is driven to move up and down through the vertical rod 46, the vertical plate 42 moves downwards, under the interference of the filter screen 2, the scraping plate 41 rotates clockwise, and in the process, the supporting plate 45 moves rightwards; with the upward movement of the vertical plate 42, the solid impurities deposited on the filter screen 2 are scraped by the scraping plate 41 and carried upward, and when moving to the position of the waste material outlet hole 31, part of the solid impurities falls onto the conveyor belt 75 through the waste material outlet hole 31; when the scraping plate 41 moves to the position of the waste material outlet hole 31, the scraping plate 41 loses the abutting force and performs the counterclockwise return movement under the action of the return spring 44; the supporting plate 45 also performs a reset movement, in the process of the movement, the pushing plate 64 is pushed by the second arc-shaped rod 61 to move towards the outside of the supporting groove 66, and the movement of the pushing plate 64 can push the solid impurities resting on the scraping plate 41 out of the waste material outlet hole 31, fall on the conveyor belt 75 and be conveyed away;
on the other hand, the rotation of the first rotating lever 474 drives the second rotating lever 52 to rotate through the first belt 51, and the rotation of the second rotating lever 52 drives the rotating disc 53 to rotate, so that the knocking lever 54 on the rotating disc 53 knocks the vertical plate 42 to prevent solid impurities from depositing on the vertical plate 42.
The invention has the beneficial effects that:
according to the invention, the scraping mechanism 4 capable of moving up and down is arranged on the side of the filter screen 2, and the solid impurities deposited on the filter screen 2 can be discharged out of the flow guide pipe 1 through the waste outlet hole 31 due to the up-and-down movement function of the scraping mechanism 4, so that the high-efficiency filtering effect can be achieved without stopping for cleaning.
According to the invention, the lattice baffle 32 in an L-shaped structure is arranged above the waste outlet hole 31 and the scraping plate 41, and the lattice baffle 32 can play a role of blocking upward solid impurities to ensure that the solid impurities can be discharged out of the supporting box 3 through the waste outlet hole 31, and meanwhile, the arrangement of the lattice baffle 32 can play a role of scraping the side wall of the vertical plate 42 to prevent the solid impurities from being adhered to the vertical plate 42.
According to the invention, the collecting mechanism 7 is arranged on the outer side wall of the flow guide pipe 1, and the collecting mechanism 7 is used for timely transferring the solid impurities discharged from the waste outlet hole 31, so that the solid impurities are prevented from being accumulated on the flow guide pipe 1, and meanwhile, the manpower can be saved for the subsequent cleaning process.
According to the invention, the push-out mechanism 6 is arranged on the vertical plate 42, and the push-out mechanism 6 is arranged for pushing out the solid impurities carried upwards by the scraping plate 41, so that the solid impurities carried upwards by the scraping plate 41 are all discharged out of the supporting box 3 through the waste material outlet hole 31.
According to the invention, the knocking mechanism 5 is arranged in the supporting box 3, the knocking mechanism 5 can enable the vertical plate 42 to generate vibration frequency, so that solid impurities can be prevented from being deposited on the vertical plate 42, the knocking mechanism 5 is reasonable in structural design, and the vertical plate 42 can be knocked to generate vibration only in the upward movement process of the vertical plate 42.
The structure of the invention is reasonable in design, the combined structure of the scraping mechanism 4, the knocking mechanism 5, the pushing mechanism 6 and the collecting mechanism 7 can realize the linkage effect, thus the control of the combined structure can be completed only by the same power source, thereby reducing the production cost, and simultaneously, the generation of the linkage effect can not only reduce the operation difficulty of the equipment, but also improve the operation performance of the equipment.
The first step is specifically as follows: the oily sewage flows from the right end to the left end of the draft tube 1 to perform the filtering operation, and solid impurities are deposited on the filter screen 2 in the flowing process;
during the filtration, the driving motor 73 drives one of the rotating shafts 71 and the conveyor belt 75 to drive the other rotating shaft 71 to rotate, the second belt 74 drives the first rotating rod 474 to rotate, the rotation of the first rotating rod 474 drives the missing gear 473 to rotate, so that the missing gear 473 is matched with the two spur racks 472, the rectangular pipe 471 is driven to move up and down, the vertical rod 46 drives the vertical plate 42 to move down during the downward movement of the rectangular pipe 471, the downward movement of the vertical plate 42 drives the scraping plate 41 to rotate clockwise under the interference of the filter screen 2, and the supporting plate 45 moves rightward; thereafter, with the upward movement of the vertical plate 42, the solid foreign matters deposited on the filter screen 2 are scraped and carried upward by the scraping plate 41, and when moved to the position of the waste material outlet hole 31, a part of them falls onto the conveyor belt 75 through the waste material outlet hole 31; when the scraping plate 41 moves to the position of the waste material outlet hole 31, the scraping plate 41 loses the abutting force and performs the counterclockwise return movement under the action of the return spring 44; the supporting plate 45 also performs a reset movement, in the process of the movement, the pushing plate 64 is pushed by the second arc-shaped rod 61 to move towards the outside of the supporting groove 66, and the movement of the pushing plate 64 can push the solid impurities resting on the scraping plate 41 out of the waste material outlet hole 31, fall on the conveyor belt 75 and be conveyed away;
during the downward movement of the vertical plate 42, the rotation of the first rotating rod 474 drives the second rotating rod 52 to rotate through the first belt 51, the second rotating rod 52 drives the rotating disc 53 to rotate, and the knocking of the vertical plate 42 is realized through the knocking lever member 54 on the rotating disc 53, so that the deposition of solid impurities on the vertical plate 42 is avoided.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (3)
1. The oil tank cleaning wastewater treatment process is characterized by comprising the following steps:
the method comprises the following steps: filtering the oily wastewater by a filtering system;
step two: adjusting the pH value of the filtered wastewater to 6.5-7.5, and then introducing the water into a biochemical treatment unit for biochemical treatment;
step three: water discharged from the biochemical treatment unit enters a post-treatment unit consisting of a coagulation sedimentation tank, a coagulation pressure type sand filter and a coagulation gravity type sand filter, so that the SS index of the treated water reaches below 10mg/L, and the COD index is reduced to below 30 mg/L; the guide supporting component (475) comprises a guide supporting rod (4751), a guide supporting cylinder (4752) and a guide supporting spring (4753), the guide supporting rod (4751) is movably inserted into the guide supporting cylinder (4752), the guide supporting spring (4753) is wound outside the guide supporting rod (4751), and two ends of the guide supporting spring (4753) are respectively and fixedly connected to the side wall of the guide supporting rod (4751) and the outer side wall of the guide supporting cylinder (4752); a knocking mechanism (5) is arranged in the support box (3), the knocking mechanism (5) comprises a first belt (51) and a second rotating rod (52), the second rotating rod (52) is rotatably inserted into the inner side wall of the support box (3), the second rotating rod (52) is in transmission connection with the first rotating rod (474) through the first belt (51), a rotating disc (53) is fixedly connected with the free end of the second rotating rod (52), and a knocking rod piece (54) is arranged on the rotating disc (53); the knocking rod piece (54) comprises a knocking rod (541) and a second moving groove (542), the knocking rod (541) is movably inserted into the second moving groove (542), the second moving groove (542) is formed in the rotating disc (53), one end of the limiting support component (543) is fixedly connected to the knocking rod (541), and the other end of the limiting support component (543) is fixedly connected to the side wall of the second moving groove (542); the limiting support assembly (543) comprises a limiting support rod (5431), a limiting support barrel (5432) and a limiting support spring (5433), the limiting support rod (5431) is movably inserted into the limiting support barrel (5432), the limiting support rod (5431) is connected with the limiting support spring (5433) in a winding mode, and two ends of the limiting support spring (5433) are fixedly connected to the side wall of the limiting support rod (5431) and the outer side wall of the limiting support barrel (5432) respectively; a pushing mechanism (6) is arranged in the supporting box (3), the pushing mechanism (6) comprises a second arc-shaped rod (61) and a sliding block (62), the second arc-shaped rod (61) is movably inserted on the vertical plate (42), one end of the second arc-shaped rod (61) is hinged on the side wall of the supporting plate (45), the other end of the second arc-shaped rod (61) is hinged on the sliding block (62), the sliding block (62) is arranged in the sliding groove (63) in a sliding manner, the sliding groove (63) is arranged on the pushing plate (64), a moving groove I (65) is formed in the pushing plate (64), the pushing plate (64) is movably arranged in the supporting groove (66), the supporting groove (66) is arranged on the vertical plate (42), a collecting mechanism (7) is arranged outside the guide pipe (1), the collecting mechanism (7) comprises a rotating shaft (71), supporting plates (72), a driving motor (73), a second belt (74) and a conveying belt (75), the rotating shaft of the driving motor (73) is connected with one rotating shaft (71), the driving end of the driving motor (71) is fixedly arranged on the other supporting plate (72), the other supporting plate (71) is connected with the conveying belt (75), one rotating shaft (71) is in transmission connection with the first rotating rod (474) through a second belt (74); the filtering system comprises a flow guide pipe (1) and a filtering screen (2), wherein the filtering screen (2) is arranged in the flow guide pipe (1), a supporting box (3) is fixedly inserted on a top plate of the flow guide pipe (1), the flow guide pipe (1) is communicated with the supporting box (3) to form a working area, a scraping mechanism (4) is arranged in the working area, a waste outlet (31) is formed in the supporting box (3), a grid baffle (32) is fixedly connected to the inner side wall of the supporting box (3), and the grid baffle (32) is of an L-shaped structure; scraping mechanism (4) including scraping board (41) and vertical plate (42), scrape the lateral wall of board (41) and vertical plate (42) and articulate mutually, and scrape the free end of board (41) and the lateral wall looks butt of filter screen (2), the first arc pole (43) of lateral wall fixedly connected with of scraping board (41), and first arc pole (43) activity is pegged graft on vertical plate (42), the free end fixed connection of vertical plate (42) is on bearing board (45), first arc pole (43) outer winding is connected with reset spring (44), and the both ends of reset spring (44) are fixed connection respectively on the lateral wall of vertical plate (42) and on the lateral wall of first arc pole (43), fixedly connected with vertical rod (46) on the up end of vertical plate (42), and the upper end fixed connection of vertical rod (46) is on drive assembly (47).
2. The tank cleaning wastewater treatment process according to claim 1, wherein: drive assembly (47) includes rectangular pipe (471) and spur rack (472), all be connected with spur rack (472) on two inside walls that rectangular pipe (471) is relative, and two spur rack (472) mesh mutually with scarce gear (473) in turn, it has first rotation pole (474) to peg graft on scarce gear (473), and first rotation pole (474) rotate peg graft on the lateral wall of supporting box (3), the one end of fixedly connected with direction supporting component (475) on the up end of rectangular pipe (471), the other end fixed connection of direction supporting component (475) is on the interior roof of supporting box (3).
3. The tank cleaning wastewater treatment process according to claim 2, characterized in that: the first step is specifically as follows:
the oily sewage flows from the right end to the left end of the draft tube (1) to perform filtering operation, and solid impurities are deposited on the filter screen (2) in the flowing process;
in the filtering process, the driving motor (73) drives one of the rotating shafts (71) and the conveying belt (75) to drive the other rotating shaft (71) to rotate, the second belt (74) drives the first rotating rod (474) to rotate, and the rotation of the first rotating rod (474) drives the missing gear (473) to rotate, so that the missing gear (473) is matched with the two straight rack bars (472), and the rectangular pipe (471) is driven to move up and down;
in the downward movement of the rectangular tube (471), the vertical plate (42) is driven by the vertical rod (46) to move downward, the scraping plate (41) rotates clockwise under the interference of the filter screen (2), the supporting plate (45) moves rightward, in the downward movement process of the vertical plate (42), the first rotating rod (474) rotates under the driving of the first belt (51) and the second rotating rod (52), the second rotating rod (52) rotates under the driving of the rotating disc (53), the vertical plate (42) is knocked by the knocking rod piece (54) on the rotating disc (53), and the solid impurities are prevented from being deposited on the vertical plate (42);
then, with the upward movement of the vertical plate (42), solid impurities deposited on the filter screen (2) are scraped by the scraping plate (41) and are carried upwards, when the vertical plate moves to the position of the waste material outlet hole (31), part of the solid impurities can fall onto the conveyor belt (75) through the waste material outlet hole (31), and when the scraping plate (41) moves to the position of the waste material outlet hole (31), the scraping plate (41) loses contact force and does anticlockwise reset movement under the action of the reset spring (44); the supporting plate (45) also performs a resetting movement, in the movement process, the pushing plate (64) is pushed to move outwards the supporting groove (66) through the second arc-shaped rod (61), and the solid impurities resting on the scraping plate (41) can be pushed out of the waste material outlet hole (31) by the movement of the pushing plate (64), fall on the conveyor belt (75) and are conveyed away.
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| CN202210512994.XA CN114890621B (en) | 2022-05-11 | 2022-05-11 | Oil tank cleaning wastewater treatment process |
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| CN115947404B (en) * | 2023-03-13 | 2023-05-26 | 山东和正环保工程有限公司 | Plant oil production wastewater treatment and saponin recovery system |
| CN116924512B (en) * | 2023-07-25 | 2023-12-12 | 广州洁能建筑设备有限公司 | Intelligent household oil-water separation filter and separation treatment method |
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| CN107840540A (en) * | 2017-11-21 | 2018-03-27 | 南京万德斯环保科技股份有限公司 | A kind of palm oil waste water processing unit and its method |
| CN110000251B (en) * | 2019-04-28 | 2020-06-16 | 温州澳鼎建材有限公司 | Hardware processing steel sheet crib crimper |
| CN214158741U (en) * | 2020-12-22 | 2021-09-10 | 杭州开元之江清洗连锁有限公司 | Laundry dragon effluent disposal system |
| CN113559588B (en) * | 2021-09-26 | 2021-11-26 | 南通井川精密机械有限公司 | Automatic water purifying device |
| CN114241665A (en) * | 2021-12-16 | 2022-03-25 | 壹思科技江苏有限公司 | Automatic sell quick-witted shipment pushing equipment |
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