CN114524593A

CN114524593A - Equipment for recycling oil refining and chemical wastewater

Info

Publication number: CN114524593A
Application number: CN202210424882.9A
Authority: CN
Inventors: 陈歌亮; 梁永超; 倪昊尹
Original assignee: Deaco Engineering Technology Jiangsu Co ltd
Current assignee: Deaco Engineering Technology Jiangsu Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-05-24

Abstract

The invention provides equipment for recovering oil refining and chemical sewage, which relates to the technical field of chemical sewage recovery and comprises an oil separating tank, a settling tank and a treatment tank, wherein the side surface of the oil separating tank is provided with an observation groove, an installation frame on the side surface of the oil separating tank is buckled with the oil separating tank through a buckle, a movable plate is positioned in the installation frame, the groove of the movable plate is internally provided with an observation device, the surface of an oil pumping pipeline in the oil separating tank is provided with a floating head, the bottom surface of the settling tank is fixedly provided with an inclined base, a slag scraping device comprises a limiting bracket, a rack is fixedly arranged in the limiting bracket, a rotating rod a and a rotating rod b are fixedly arranged on the side surfaces of a driven gear and a driving gear, a limiting column is arranged between the two rotating rods a, a double-head motor is arranged between the two rotating rods b, the bottom surface of the limiting column is fixedly provided with a push plate, the surface of the push plate is laminated with oil absorbing paper, other substances doped during oil-water separation are reduced, and the quality of oil refining is improved, the existing slag scraping technology is changed, sludge at the bottom of the settling tank is effectively treated, and oil on the surface of sewage is absorbed.

Description

Equipment for recycling oil refining and chemical wastewater

Technical Field

The invention relates to the technical field of chemical sewage recovery, in particular to equipment for recovering oil refining and chemical sewage.

Background

Patent No. CN200710165605.6, a method and equipment for recycling and utilizing oil refining and chemical wastewater with higher organic pollutant content and lower oil and suspended matter content, the method comprises the following steps: biochemical treatment and filtration, precise filtration and biodegradation adsorption, wherein the total inlet water directly enters the multi-stage biological filter 3 for biochemical treatment and filtration: the apparatus comprises: the device comprises a multi-level biological filter 3, a clean water tank 4, a precision filter 5, an ejector 6, an ozone generator 7, a mixer 8, an intermediate water tank 9, a biological activated carbon filter 10 and a clean water tank 11. In addition, still provide the equipment that retrieves to oil refining and chemical industry sewage that the pollution level is lighter, it includes: the device comprises a mixed reaction tank 1, an anti-blocking air flotation tank 2, a clean water tank 4, a precision filter 5, an ejector 6, an ozone generator 7, a mixer 8, an intermediate water tank 9, a biological activated carbon filter 10, a clean water tank 11, a hollow ultrafiltration membrane or microfiltration membrane, reverse osmosis membranes (12, 13) and a desalted water tank.

No. CN201810664816.2, a breed sewage environmental protection processing system, is including the just heavy pond of setting up in order, equalizing basin, air supporting pond, hydrolysis-acidification pond, contact oxidation pond, two heavy ponds, MBR membrane cisterna, contact disinfection pond. The physical and chemical method and the biochemical method are combined to effectively treat the well wastewater, and indexes of the treated wastewater including COD, BOD, SS, ammonia nitrogen, total phosphorus, pH and the like all accord with the national three-level discharge standard (GB8978-2002) for environmental protection discharge; high organic matter removing rate, stable system operation and energy saving. The indexes of the discharged wastewater are as follows: biochemical Oxygen Demand (BOD) is less than or equal to 65 mg/L; the removal rate of COD, BOD and NH3-N can exceed more than 90 percent.

The treatment mode to sewage is introduced to above-mentioned patent, but produced sewage in industry oil refining, the position of the unable clear observation oil and water is accurate not enough when separating oil and water, and separation back aquatic still dopes a large amount of oil or dopes a large amount of water in the oil, leads to follow-up secondary treatment effect poor, and it is too complicated to scrape sediment treatment facility to current sewage, and equipment cost is high, and life is short.

Disclosure of Invention

Solves the technical problem

Aiming at the defects of the prior art, the invention provides equipment for recycling oil refining and chemical sewage, which solves the problems of reducing other substances doped during oil-water separation, improving the quality of oil refining, changing the existing slag scraping technology, effectively treating sludge at the bottom of a settling tank, absorbing oil on the surface of the sewage, and has the advantages of simple equipment and low cost.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the equipment for recycling the oil refining and chemical wastewater comprises an oil separating tank, a settling tank and a treatment tank, wherein the settling tank is positioned on the front surface of the oil separating tank, the settling tank is abutted against the front surface of the oil separating tank, and the side surfaces of the treatment tank and the settling tank are mutually attached;

an observation groove is formed in the side face of the oil separation tank, an installation frame is arranged on the side face of the oil separation tank, a buckle is fixed on one face of the installation frame and is hexagonal, the buckle and the top face of the oil separation tank are provided with clamping grooves which are mutually buckled, a movable plate is arranged in the installation frame, an observation device is arranged in a groove in the front face of the movable plate, a shooting end of the observation device is parallel to the observation groove, an oil pumping pipeline is arranged in a groove in the top face of the oil separation tank, and a floating head is sleeved at one end of the oil pumping pipeline through threads;

the bottom surface of the settling tank is fixedly provided with an inclined base, the top surface of the settling tank is provided with a slag scraping device, the slag scraping device comprises a limiting support, two sides in the limiting support are fixedly provided with racks, a driven gear is arranged between every two adjacent racks and is meshed with the driven gear, the surface of the driven gear is meshed with a driving gear, the side surfaces of the driven gear and the driving gear are respectively fixedly provided with an a rotating rod and a b rotating rod, a limiting column is arranged between the two a rotating rods, the two a rotating rods are respectively embedded in grooves at the two ends of the limiting column, a double-end motor is arranged between the two b rotating rods, the two ends of the double-end motor are respectively fixed with the two b rotating rods, the bottom surface of the limiting column is fixedly provided with a push plate, the surface of the push plate is laminated with oil absorption paper, the bottom surface of the push plate is provided with a scraper, and the scraper is sleeved with a rotating shaft at the bottom of the push plate, sliding blocks are arranged on two sides of the scraping plate.

Preferably, a screw rod is arranged in the installation frame, the movable plate is sleeved on the surface of the screw rod, a protrusion on the surface of the movable plate is embedded in a groove in the inner wall of the installation frame, and one end of the screw rod is connected with a linear motor through a coupler.

Preferably, the limiting supports are located on two sides of the top surface of the settling tank, the protrusions at two ends of each limiting support are respectively attached to the top surface and the side surface of the settling tank, and the protrusions at two ends of each limiting support are fixed to the top surface and the side surface of the settling tank through bolts.

Preferably, the dwang of a passes through bearing and spacing post both ends recess internal fixation, spacing post back bolt fastening has the T shaped plate, and stud motor fixes at T shaped plate top surface, the both sides of T shaped plate are equipped with the pullover, and the pullover passes through the bolt and fixes with spacing post, and two b dwang gomphosis in pullover.

Preferably, the inclination angle between scraper blade and the push pedal is 50, and scraper blade one end offsets with the tilting base top surface, scraper blade and sliding block coupling, and the axis of rotation of scraper blade both sides gomphosis in the recess of sliding block side, the sliding tray has been seted up to both sides in the setting tank, and the sliding block is located the sliding tray, and the sliding tray is parallel to each other with the inclined plane of tilting base.

Preferably, the treatment tank comprises an anaerobic tank, an anoxic tank, a filtering tank and a recovery tank, wherein a return pipeline is arranged on the side surface of the recovery tank, one end of the return pipeline is connected with the side surface of the settling tank through a flange, and a water pump is sleeved between the return pipelines.

Preferably, fixed baffle between anaerobism pond, oxygen deficiency pond, filtering ponds and the recovery pond, the recovery pond side is equipped with the connecting tube, the connecting tube surface is equipped with the check valve, and baffle between anaerobism pond and the oxygen deficiency pond, the baffle of oxygen deficiency pond and filtering ponds, the junction of anaerobism pond and setting tank and the junction of setting tank and oil separating tank are equipped with connecting tube and check valve simultaneously.

Preferably, the filtering tank top surface bolt fastening has the skull, the skull bottom is fixed with the filter, and the water inlet of filter passes through the pipeline and is connected with connecting tube one end, and the recess of baffle coincides each other between the delivery port of filter and filtering tank and the recovery pond.

Preferably, be equipped with the water quality testing sensor in the recovery pond, and the water quality testing sensor passes through the bolt and fixes with the recovery pond inner wall, and the water pump electric connection of water quality testing sensor and return line.

The working principle is as follows: oil and water enter the separation tank simultaneously, the rotating end of the linear motor rotates to drive the screw rod, so that the movable plate is lifted, the observation device in the groove of the movable plate is parallel to the observation groove on the side surface of the oil separation tank, the observation device transmits shot information to the server when lifted, the server compares pictures due to different turbidities and colors of the water and the oil, judges the position of the boundary of the oil and the water, the observation device stays at the boundary, the oil is extracted by connecting the water pump with the oil pumping pipeline, a floating head is adjusted at one end of the oil pumping pipeline through threads, the oil in the oil separation tank continuously descends along with the oil in the oil separation tank, so that the oil pumping pipeline is always positioned above the oil layer, after the boundary is extracted, the extraction is stopped until the observation device cannot observe the oil in the oil separation tank, the one-way valve at the connection position of the oil separation tank and the settling tank is opened, the liquid is sent into the settling tank and stands for one end time, because the bottom surface of the settling tank is an inclined base, partial sludge enters a groove on the top surface of the inclined base along the inclined base to wait for being cleaned, and other impurities float on the upper layer of sewage, a double-end motor of the slag scraping device is started, two ends of the double-end motor are mutually meshed with a driving gear and a driven gear which are connected through a b rotating rod, the driven gear is positioned between two racks, the b rotating rod is embedded in a sleeve head on the back surface of a limiting column to limit the b rotating rod, when the driving gear rotates, the driven gear translates along the racks, the double-end motor is fixed on a T-shaped plate on the back surface of the limiting column and can simultaneously move along with the limiting column, so that the driving gear is always meshed with the driven gear, a rotating rod of the driven gear is fixed with two ends of the limiting column through a bearing, when the driven gear moves, the limiting column can be moved, the racks are fixed in the limiting support, and two ends of the limiting support are respectively jointed with the top surface and the side surface of the settling tank, the limit bracket is fixed by bolts, the limit bracket is more stable and firm, a push plate is fixed at the bottom of a limit column, the push plate can push sundries on the upper layer of sewage out of a settling tank when the limit column moves, oil absorption paper is attached to one surface of the push plate, the oil absorption paper is used for absorbing residual oil stain on the upper layer of the sewage when the push plate moves, a shaft-connected scraper at the bottom of the push plate is abutted against an inclined base, the scraper is in shaft connection with the push plate, the two sides of the scraper are in shaft connection with a sliding block, rotating shafts on the two sides of the scraper are embedded in grooves on the side surfaces of the sliding block, the scraper adjusts the angle according to the inclined surface of the inclined base when the limit column moves, one end of the scraper is always abutted against the inclined base, sludge residual on the inclined surface of the inclined base is scraped into the grooves to be cleaned, a one-way valve between the settling tank and an anaerobic tank is opened, the sewage sequentially enters an anaerobic tank and an anoxic tank for treatment, the anaerobic tank, the filter tank and a recovery tank are separated by a partition plate, when the sewage after processing gets into the filtering ponds, the pipeline in the filtering ponds sends liquid into the filter and filters, the liquid discharges to the recovery pond after filtering and waits for retrieving, baffle between anaerobism pond and the oxygen deficiency pond, the baffle of oxygen deficiency pond and filtering ponds, the junction of anaerobism pond and setting tank and the junction of setting tank and oil separating tank are equipped with connecting tube and check valve simultaneously, prevent the sewage backward flow, the sewage in the recovery pond is detected by the water quality testing sensor, the data of the sewage after the staff accessible terminal looks over handles, if quality of water can't reach the emission standard, start the water pump that the backward flow pipeline is connected and send sewage into the setting tank once more and carry out secondary treatment.

Advantageous effects

The invention provides equipment for recycling oil refining and chemical wastewater. The method has the following beneficial effects:

1. the invention simultaneously enters the oil and the water into the separating tank, the oil and the water in the existing separating tank are judged and extracted manually, so that the oil and the water are separated, but a large amount of water still exists in the separated oil, a large amount of oil remains in the water, the subsequent oil and water treatment effect is poor, and the quality of the treated oil and water is caused to be in problem, the buckle on one surface of the mounting frame is hexagonal, the buckle is mutually buckled with the buckle on the side surface of the oil separating tank, the mounting frame is placed above the oil separating tank, the equipment can be rapidly mounted and limited, the screw rod is driven by the rotation end of the linear motor to lift the moving plate, the observation device in the groove of the moving plate is parallel to the observation groove on the side surface of the oil separating tank, the observation device transmits the shot information to the server when lifting, and the server compares pictures due to different turbidities and colors of the water and the oil, judge the position of the boundary department of oil and water, stop viewing device in the boundary department, be connected with the oil pumping pipeline through the pump body, extract oil, oil pumping pipeline one end screw thread is adjusted to have the floating head, along with the oil in the oil removal jar constantly descends, make the oil pumping pipeline be located the oil reservoir top all the time, extract the boundary department after, stop the extraction when viewing device can't observe the existence of oil in the oil removal jar, realized changing the manual judgment extraction into mechanical judgment, the precision is higher, reduce the moisture that contains in the oil of taking out, and the oil that contains in the aquatic, improve final processing quality.

2. The invention changes the existing slag scraping equipment which has overlarge volume and needs to rotate a circle along the inner wall of the settling tank to realize slag scraping treatment, the slag scraping working path is longer, the power consumption is high, the double-end motor of the slag scraping device is used, two ends of the double-end motor are mutually meshed through the driving gear connected with the rotating rod b, the driving gear is mutually meshed with the driven gear, the double-end motor is fixed on the T-shaped plate at the back of the limiting column and can simultaneously move along with the limiting column, the two driving gears can be driven by one motor to reduce the power consumption, the cost is saved, the driving gear is always meshed with the driven gear, the rotating rod a of the driven gear is fixed with two ends of the limiting column through the bearing, the limiting column can be moved when the driven gear moves, the equipment is moved by using the way of mutually meshing the gear and the rack, the service life of the equipment is prolonged, the rack is fixed in the limit bracket, two ends of the limit bracket are respectively jointed with the top surface and the side surface of the settling tank and are fixed through bolts, so that the limit bracket is more stable and firm, the bottom of the limit post is fixed with a push plate, the push plate can push sundries on the upper layer of sewage out of the settling tank when the limit post moves, one surface of the push plate is jointed with oil absorption paper, the oil absorption paper is utilized to absorb residual greasy dirt on the upper layer of sewage when the push plate moves, a scraper blade which is axially connected with the bottom of the push plate is abutted against an inclined base, the scraper blade is axially connected with the push plate, two sides of the scraper blade are axially connected with a sliding block, rotating shafts on two sides of the scraper blade are embedded in grooves on the side surface of the sliding block, the scraper blade can automatically adjust the angle according to the inclined surface of the inclined base when the limit post moves, one end of the scraper blade is always abutted against the inclined base, and can effectively clean the sludge on the inclined surface of the inclined base, scrape remaining mud on the tilting base inclined plane and wait for the clearance in the recess, realized changing traditional sediment mode of scraping, reduced the route of equipment work, effectual debris to the sewage surface and the mud of bottom are handled, practice thrift electric power, the later stage maintenance and the maintenance of being convenient for.

3. Compared with the prior art, the invention reduces the use of a water pump, the prior equipment has poor sewage treatment effect, the sewage treatment equipment consists of a plurality of parts, the occupied area is large, the anaerobic tank, the anoxic tank, the filtering tank and the recovery tank are integrated, the adjacent tank bodies are separated by the partition plate, the one-way valve between the settling tank and the anaerobic tank is opened, the sewage sequentially enters the anaerobic tank and the anoxic tank for treatment, the anaerobic tank, the anoxic tank, the filtering tank and the recovery tank are separated by the partition plate, the sewage transfer path is reduced, the treatment efficiency is improved, the sewage is not required to be conveyed by the water pump, the sewage is sequentially conveyed into the next tank body by water pressure, when the treated sewage enters the filtering tank, a pipeline in the filtering tank conveys liquid into the filter for filtration, the filtered liquid is discharged into the recovery tank for recovery, and the partition plate between the anaerobic tank and the anoxic tank is used for separation, The baffle of oxygen deficiency pond and filtering ponds, the junction of anaerobism pond and setting tank and the junction of setting tank and oil-separating tank are equipped with connecting tube and check valve simultaneously, prevent the sewage backward flow, the sewage in the recovery pond is detected by the water quality testing sensor, the data of handling back sewage is looked over at staff's accessible terminal, the water pump that starts the backward flow pipeline connection if quality of water can't reach the emission standard sends sewage into the setting tank once more and carries out secondary treatment, realized with the anaerobism pond, the oxygen deficiency pond, filtering ponds and recovery pond integration have reduced equipment area, less the use of water pump, therefore, the cost is saved, the effectual sewage is filtered and is waited for the recovery.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a front view of the present invention;

FIG. 5 is an overall view of the oil removal tank of the present invention;

FIG. 6 is an enlarged view of A of FIG. 5;

FIG. 7 is an overall view of the settling tank of the present invention;

FIG. 8 is an enlarged view of A of FIG. 7;

FIG. 9 is an internal view of the settling tank of the present invention;

FIG. 10 is an overall view of a treatment tank according to the present invention;

FIG. 11 is an internal view of a filtration tank according to the present invention.

Wherein, 1, oil separating tank; 101. an observation tank; 102. a mounting frame; 103. buckling; 104. a screw rod; 105. a linear motor; 106. moving the plate; 107. an observation device; 108. an oil pumping pipeline; 109. a floating head; 2. a settling tank; 3. an inclined base; 4. a slag scraping device; 401. a limiting bracket; 402. a rack; 403. a driven gear; 404. a, rotating the rod; 405. a limiting column; 406. a T-shaped plate; 407. a double-headed motor; 408. b, rotating the rod; 409. a driving gear; 410. sleeving heads; 411. pushing the plate; 412. a squeegee; 413. a sliding groove; 414. a slider; 415. oil absorbing paper; 5. a treatment tank; 501. an anaerobic tank; 502. an anoxic tank; 503. a filtration tank; 5031. a head cover; 5032. a filter; 504. a recovery tank; 5041. a water quality detection sensor; 6. a partition plate; 7. connecting a pipeline; 8. a one-way valve; 9. and (4) a return pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1, 2, 3, 5 and 6, an apparatus for recycling oil refining and chemical wastewater comprises an oil separating tank 1, a settling tank 2 and a treatment tank 5, wherein the settling tank 2 is positioned on the front surface of the oil separating tank 1, the settling tank 2 abuts against the front surface of the oil separating tank 1, the treatment tank 5 is attached to the side surface of the settling tank 2, a viewing slot 101 is arranged on the side surface of the oil separating tank 1, an installation frame 102 is arranged on the side surface of the oil separating tank 1, a buckle 103 is fixed on one surface of the installation frame 102, the buckle 103 is hexagonal, the buckle 103 is buckled with a clamping slot arranged on the top surface of the oil separating tank 1, the buckle 103 on one surface of the installation frame is hexagonal, the buckle 103 is buckled with the buckle 103 on the side surface of the oil separating tank 1, the installation frame 102 is placed above the oil separating tank 1 to quickly fix the movable plate for limiting the installation of the apparatus, a screw rod 106 is arranged in the installation frame 102, the screw rod 104 is arranged in the installation frame 102, and the screw rod 104 is sleeved on the surface of the screw rod 104, the surface of the movable plate 106 is convexly embedded in a groove on the inner wall of the mounting frame 102, one end of the screw rod 104 is connected with a linear motor 105 through a coupler, an observation device 107 is arranged in the groove on the front surface of the movable plate 106, a shooting end of the observation device 107 is parallel to the observation groove 101, oil and water simultaneously enter the separation tank, a rotating end of the linear motor 105 rotates to drive the screw rod 104, so that the movable plate 106 is lifted, the observation device 107 in the groove of the movable plate 106 is parallel to the observation groove 101 on the side surface of the oil separation tank 1, the observation device 107 transmits shot information to the server when lifted, the server compares pictures due to different turbidities and colors of the water and the oil, judges the position of the boundary between the oil and the water, the observation device 107 stays at the boundary, an oil pumping pipeline 108 is arranged in the groove on the top surface of the oil separation tank 1, a floating head 109 is sleeved at one end of the oil pumping pipeline 108 through a pump body and connected with the oil pumping pipeline 108, the oil is extracted, a floating head 109 is adjusted at one end of the oil pumping pipeline 108 through threads, the oil pumping pipeline 108 is always positioned above an oil layer along with the continuous descending of the oil in the oil separating tank 1, and after the oil is extracted to a boundary, the oil is stopped being extracted until the observation device 107 cannot observe the oil in the oil separating tank 1.

Example two:

as shown in fig. 1, 2, 3, 4, 7, 8 and 9, an inclined base 3 is fixed on the bottom surface of a settling tank 2, a slag scraping device 4 is arranged on the top surface of the settling tank 2, the slag scraping device 4 comprises a limiting support 401, the limiting support 401 is positioned on two sides of the top surface of the settling tank 2, protrusions at two ends of the limiting support 401 are respectively attached to the top surface and the side surface of the settling tank 2 through bolts, protrusions at two ends of the limiting support 401 are fixed to the top surface and the side surface of the settling tank 2 through bolts, racks 402 are fixed on two sides in the limiting support 401, a driven gear 403 is arranged between two adjacent racks 402, the racks 402 are meshed with the driven gear 403, the racks 402 are fixed in the limiting support 401, two ends of the limiting support 401 are respectively attached to the top surface and the side surface of the settling tank 2 and are fixed through bolts, so that the limiting support 401 is more stable and firm, a driving gear 409 is meshed with the surface of the driven gear 403, a 409 and a driving gear 408 are respectively fixed to the side surface of the driven gear 403, a limiting column 405 is arranged between the two a rotating rods 404, the two a rotating rods 404 are respectively embedded in grooves at two ends of the limiting column 405, the a rotating rod 404 is fixed in the grooves at two ends of the limiting column 405 through a bearing, a T-shaped plate 406 is fixed on the back surface of the limiting column 405 through bolts, a double-headed motor 407 is fixed on the top surface of the T-shaped plate 406, sleeve heads 410 are arranged at two sides of the T-shaped plate 406, the sleeve heads 410 are fixed with the limiting column 405 through bolts, the two b rotating rods 408 are embedded in the sleeve heads 410, the double-headed motor 407 is arranged between the two b rotating rods 408, two ends of the double-headed motor 407 are respectively fixed with the two b rotating rods 408, a check valve 8 at the joint of the oil separating tank 1 and the settling tank 2 is opened, liquid is sent into the settling tank 2, one end time is kept still, partial sludge enters the grooves at the top surface of the inclined base 3 along the inclined base 3 to wait for being cleaned, and other impurities float on the upper layer of the sewage, the double-head motor 407 of the slag scraping device 4 is started, the two ends of the double-head motor 407 are meshed with the driven gear 403 through the driving gear 409 and the driven gear 403 which are connected through the b rotating rod 408, the driven gear 403 is located between the two racks 402, the b rotating rod 408 is embedded in the sleeve head 410 at the back of the limiting column 405 to limit the b rotating rod 408, when the driving gear 409 rotates, the driven gear 403 translates along the rack 402, the double-head motor 407 is fixed on the T-shaped plate 406 at the back of the limiting column 405 and can move along with the limiting column 405 simultaneously, the driving gear 409 is always meshed with the driven gear 403, the a rotating rod 404 of the driven gear 403 is fixed with the two ends of the limiting column 405 through bearings, and when the driven gear moves, the limiting column 405 can be moved.

A push plate 411 is fixed on the bottom surface of the limit column 405, an oil absorption paper 415 is attached on the surface of the push plate 411, a scraper 412 is arranged on the bottom surface of the push plate 411, the scraper 412 is sleeved with a rotating shaft at the bottom of the push plate 411, sliding blocks 414 are arranged on two sides of the scraper 412, the inclination angle between the scraper 412 and the push plate 411 is 50 degrees, one end of the scraper 412 is abutted against the top surface of the inclined base 3, the scraper 412 is in shaft connection with the sliding blocks 414, the rotating shafts on two sides of the scraper 412 are embedded in grooves on the side surfaces of the sliding blocks 414, sliding grooves 413 are arranged on two sides in the settling tank 2, the sliding blocks 414 are positioned in the sliding grooves 413, the sliding grooves 413 are parallel to the inclined surface of the inclined base 3, the push plate 411 is fixed on the bottom of the limit column 405, the push plate 411 can push sundries on the upper layer of the sewage out of the settling tank 2 when the limit column 405 moves, the oil absorption paper 415 is attached on one side of the push plate 411, the residual oil absorption paper on the upper layer of the sewage can be absorbed, the scraper 412 that is coupled to the bottom of the push plate 411 abuts against the tilting base 3, the scraper 412 is coupled to the push plate 411, both sides of the scraper 412 are coupled to the sliding block 414, the rotating shafts on both sides of the scraper 412 are fitted into the grooves on the side surfaces of the sliding block 414, and when the stopper 405 moves, the scraper 412 adjusts the angle according to the tilting surface of the tilting base 3, so that one end of the scraper 412 always abuts against the tilting base 3, and scrapes the sludge remaining on the tilting surface of the tilting base 3 into the grooves to wait for cleaning.

Example three:

as shown in fig. 1, 2, 3, 10 and 11, the treatment tank 5 includes an anaerobic tank 501, an anoxic tank 502, a filtration tank 503 and a recovery tank 504, a return pipe 9 is provided on a side surface of the recovery tank 504, one end of the return pipe 9 is connected with a side surface of the sedimentation tank 2 through a flange, a water pump is sleeved between the return pipes 9, a partition 6 is fixed between the anaerobic tank 501, the anoxic tank 502, the filtration tank 503 and the recovery tank 504, a head cover 5031 is fixed on a top surface of the filtration tank 503 by bolts, a filter 5032 is fixed on a bottom of the head cover 5031, a water inlet of the filter 5032 is connected with one end of a connecting pipe 7 through a pipe, a water outlet of the filter 5032 is overlapped with a groove of the partition 6 between the filtration tank 503 and the recovery tank 504, a water quality detection sensor 5041 is provided in the recovery tank 504, the water quality detection sensor 5041 is fixed to an inner wall of the recovery tank 504 through bolts, the water quality detection sensor 5041 is electrically connected with the water pump of the return pipe 9, opening a check valve 8 between the settling tank 2 and the anaerobic tank 501, enabling sewage to sequentially enter the anaerobic tank 501 and the anoxic tank 502 for treatment, separating the anaerobic tank 501, the anoxic tank 502, the filter tank 503 and the recovery tank 504 through a partition plate 6, when the treated sewage enters the filter tank 503, sending liquid into a filter 5032 by a pipeline in the filter tank 503 for filtration, discharging the filtered liquid into the recovery tank 504 for recovery, arranging a connecting pipeline 7 on the side surface of the recovery tank 504, arranging the check valve 8 on the surface of the connecting pipeline 7, arranging the partition plate 6 between the anaerobic tank 501 and the anoxic tank 502, the partition plate 6 between the anoxic tank 502 and the filter tank 503, the connecting pipeline 7 and the check valve 8 at the connecting part of the anaerobic tank 501 and the settling tank 2 and the connecting part of the settling tank 2 and the oil separating tank 1, and arranging connecting parts at the connecting part of the anaerobic tank 501 and the anoxic tank 502, the partition plate 6 between the anoxic tank 502 and the filter tank 503, the connecting part of the settling tank 2 and the oil separating tank 1 at the same time Pipeline 7 and check valve 8 prevent the sewage backward flow, and the sewage in the recovery pond 504 is detected by water quality testing sensor 5041, and the data of sewage after handling is looked over to staff's accessible terminal, and if quality of water can't reach the discharge standard start the water pump that backward flow pipeline 9 connects to send sewage into the setting tank 2 again and carry out secondary treatment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. However, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an equipment for being directed at oil refining and chemical industry sewage are retrieved, includes oil separating tank (1), setting tank (2) and treatment tank (5), its characterized in that: the sedimentation tank (2) is positioned on the front surface of the oil separation tank (1), the sedimentation tank (2) is abutted against the front surface of the oil separation tank (1), and the treatment tank (5) is attached to the side surface of the sedimentation tank (2);

an observation groove (101) is formed in the side face of the oil separating tank (1), an installation frame (102) is arranged on the side face of the oil separating tank (1), a buckle (103) is fixed on one face of the installation frame (102), the buckle (103) is hexagonal, the buckle (103) is buckled with a clamping groove formed in the top face of the oil separating tank (1), a moving plate (106) is arranged in the installation frame (102), an observation device (107) is arranged in a groove in the front face of the moving plate (106), the shooting end of the observation device (107) is parallel to the observation groove (101), an oil pumping pipeline (108) is arranged in a groove in the top face of the oil separating tank (1), and a floating head (109) is sleeved on one end of the oil pumping pipeline (108) in a threaded manner;

an inclined base (3) is fixed on the bottom surface of the settling tank (2), a slag scraping device (4) is arranged on the top surface of the settling tank (2), the slag scraping device (4) comprises a limiting support (401), racks (402) are fixed on two surfaces in the limiting support (401), a driven gear (403) is arranged between every two adjacent racks (402), the racks (402) and the driven gear (403) are meshed with each other, a driving gear (409) is meshed on the surface of the driven gear (403), a rotating rod (404) and a rotating rod (408) are respectively fixed on the side surfaces of the driven gear (403) and the driving gear (409), a limiting column (405) is arranged between the a rotating rods (404), the two a rotating rods (404) are respectively embedded in grooves at two ends of the limiting column (405), and a double-end motors (407) are arranged between the b rotating rods (408), and double-end motor (407) both ends are fixed with two b dwang (408) respectively, spacing post (405) bottom surface is fixed with push pedal (411), push pedal (411) surface laminating has oil absorption paper (415), push pedal (411) bottom surface is equipped with scraper blade (412), and scraper blade (412) cup joint with the axis of rotation of push pedal (411) bottom, scraper blade (412) both sides are equipped with sliding block (414).

2. The apparatus for recycling refinery and chemical wastewater according to claim 1, wherein: the mounting frame (102) is internally provided with a screw rod (104), the moving plate (106) is sleeved on the surface of the screw rod (104), the protrusion on the surface of the moving plate (106) is embedded in the groove on the inner wall of the mounting frame (102), and one end of the screw rod (104) is connected with a linear motor (105) through a coupler.

3. The apparatus for recycling refinery and chemical wastewater according to claim 1, wherein: spacing support (401) are located the both sides of setting tank (2) top surface, and the arch at spacing support (401) both ends laminates with setting tank (2) top surface and side respectively, and the arch at spacing support (401) both ends passes through the bolt and fixes with setting tank (2) top surface and side.

4. The apparatus for recycling refinery and chemical wastewater according to claim 1, wherein: a dwang (404) passes through bearing and spacing post (405) both ends recess internal fixation, spacing post (405) back bolt fastening has T shaped plate (406), and double-end motor (407) fix at T shaped plate (406) top surface, the both sides of T shaped plate (406) are equipped with pullover (410), and pullover (410) are fixed through bolt and spacing post (405), and two b dwang (408) gomphosis in pullover (410).

5. The apparatus for recycling refinery and chemical wastewater according to claim 1, wherein: the inclination angle between the scraper (412) and the push plate (411) is 50 degrees, one end of the scraper (412) is abutted against the top surface of the inclined base (3), the scraper (412) is in shaft connection with the sliding block (414), and the rotating shafts on two sides of the scraper (412) are embedded in the grooves on the side surfaces of the sliding block (414).

6. The apparatus for recycling refinery and chemical wastewater according to claim 1, wherein: sliding grooves (413) are formed in two sides in the settling tank (2), the sliding blocks (414) are located in the sliding grooves (413), and the sliding grooves (413) are parallel to inclined surfaces of the inclined base (3).

7. The apparatus for recycling refinery and chemical wastewater according to claim 1, wherein: the treatment tank (5) comprises an anaerobic tank (501), an anoxic tank (502), a filtering tank (503) and a recovery tank (504), wherein a return pipeline (9) is arranged on the side surface of the recovery tank (504), one end of the return pipeline (9) is connected with the side surface of the sedimentation tank (2) through a flange, and a water pump is sleeved between the return pipelines (9).

8. The apparatus for recycling refinery and chemical wastewater according to claim 7, wherein: fixed baffle (6) between anaerobism pond (501), oxygen deficiency pond (502), filtering ponds (503) and recovery pond (504), recovery pond (504) side is equipped with connecting tube (7), connecting tube (7) surface is equipped with check valve (8), and baffle (6) between anaerobism pond (501) and oxygen deficiency pond (502), baffle (6) of oxygen deficiency pond (502) and filtering ponds (503), the junction of anaerobism pond (501) and setting tank (2) and the junction of setting tank (2) and oil removal tank (1) are equipped with connecting tube (7) and check valve (8) simultaneously.

9. The apparatus for recycling refinery and chemical wastewater according to claim 8, wherein: a head cover (5031) is fixed on the top surface of the filtering tank (503) through bolts, a filter (5032) is fixed at the bottom of the head cover (5031), a water inlet of the filter (5032) is connected with one end of a connecting pipeline (7) through a pipeline, and a water outlet of the filter (5032) is overlapped with a groove of a partition plate (6) between the filtering tank (503) and the recovery tank (504).

10. The apparatus for recycling refinery and chemical wastewater according to claim 7, wherein: be equipped with water quality testing sensor (5041) in recovery pond (504), and water quality testing sensor (5041) passes through the bolt and recovery pond (504) inner wall is fixed, and water quality testing sensor (5041) and return line (9) water pump electric connection.