Air floating type oil-water separation mechanism and treatment device

Abstract

The invention provides an air floating type oil-water separation mechanism and a treatment device, and relates to the field of sewage treatment.The air floating type oil-water separation mechanism comprises a slag scraping plate, a driving mechanism and a slag scraping assembly, and the driving mechanism comprises two symmetrically-distributed vertical plates and the slag scraping plate located between the two vertical plates; a first vertical groove, a first transverse groove, a second vertical groove and a second transverse groove which are sequentially distributed in the clockwise direction and communicate with one another to form a rectangular groove are formed in the surfaces of the vertical plates, a sliding rod is arranged between the two vertical plates, the sliding rod is in sliding fit with the first vertical groove, the first transverse groove, the second vertical groove and the second transverse groove, and a transverse rod is fixedly connected to the surface of the sliding rod. And the slag scraping plate is fixedly mounted at the free end of the cross rod. According to the oil-water separation device disclosed by the invention, through the arrangement of the driving mechanism and the residue scraping assembly, while the residue scraping plate is used for scraping floating residues on the water surface, the floating residues adhered to the surface of the residue scraping plate can also be scraped off, so that the situation that the floating residues are brought into water when the residue scraping plate enters the water surface again is effectively prevented, and the overall oil-water separation efficiency of the device is effectively improved.

Description

Technical Field

[0001] The present invention relates to the field of sewage treatment, and in particular to an air-floating oil-water separation mechanism and a treatment device. Background Art

[0002] The flotation method is also called flotation separation. Its principle is to try to produce a large number of micro bubbles in the water to form a three-phase mixture of water, air and the substance to be removed. Under the combined action of various forces such as interfacial tension, bubble buoyancy and hydrostatic pressure difference, the micro bubbles are promoted to adhere to the tiny oil droplets to be removed. Since the density of the adhesive body is less than that of water, it floats to the water surface, thereby separating and removing the oil particles in the water.

[0003] Air flotation is widely used in the treatment of oily wastewater, especially in the removal of emulsified oil and tiny suspended particles. In addition, air flotation is also suitable for the pretreatment of municipal wastewater, the recovery of useful substances in industrial wastewater, and the separation and concentration of activated sludge.

[0004] Traditional flotation machines often use scrapers to repeatedly scrape off the scum on the water surface, but the scrapers will be stuck with scum. When the scrapers enter the water surface again, the scum on its surface will be brought into the water, resulting in poor scum separation effect of the overall device.

[0005] For example, the Chinese invention patent (application number: CN202311027583.2) discloses a “surface scraping device for an air flotation machine”. Its specification discloses that when the scraper of the existing air flotation machine is working, fine particles in the sewage are easily adhered to the scraper, resulting in the impurities floating on the surface of the air flotation machine cannot be completely cleaned, affecting the filtration efficiency of the sewage and making the separation of fine impurities in the sewage not thorough enough; the above patent can prove the defects of the existing technology.

[0006] Therefore, we have made improvements to this and proposed an air-floating oil-water separation mechanism and treatment device. Summary of the invention

[0007] The purpose of the present invention is to solve the problem that scum is stuck on the existing scraper. When the scraper enters the water surface again, the scum on the surface will be brought into the water again, resulting in poor scum separation effect of the entire device.

[0008] In order to achieve the above-mentioned purpose of the invention, the present invention provides the following air-floating oil-water separation mechanism and treatment device to improve the above-mentioned problems.

[0009] The specific application is as follows: An air-floating oil-water separation mechanism comprises a scraper plate, a driving mechanism and a scraper assembly, wherein the driving mechanism comprises two symmetrically distributed vertical plates and a scraper plate located between the two vertical plates, wherein the surface of the vertical plate is provided with a first vertical groove, a first horizontal groove, a second vertical groove and a second horizontal groove which are sequentially distributed in a clockwise direction and interconnected to form a rectangular groove, a sliding bar is arranged between the two vertical plates, the sliding bar is slidably adapted to the first vertical groove, the first horizontal groove, the second vertical groove and the second horizontal groove, a horizontal bar is fixedly connected to the surface of the sliding bar, and the scraper plate is fixedly mounted on the free end of the horizontal bar.

[0010] As a preferred technical solution of the present application, the surfaces of the two vertical plates are both laterally limited and slidably connected with rectangular plates, which are driven by an external driving device. The surfaces of the rectangular plates are provided with inclined grooves, and the sliding rods pass through the inclined grooves and are slidably adapted thereto.

[0011] As a preferred technical solution of the present application, two installation grooves are provided on the surface of the vertical plate, one of which is interconnected with the upper end of the second vertical groove and is vertically distributed, and the other is interconnected with the lower end of the first vertical groove and is vertically distributed. Inclined stoppers are provided in the two installation grooves, and the two inclined stoppers extend into the second vertical groove and the first vertical groove respectively, and a spring is fixedly connected between the inclined stopper and the inner wall of the installation groove.

[0012] As a preferred technical solution of the present application, the scraper assembly includes a resettable telescopic rod, the upper end of which is fixedly connected to a plate body 1, a plate body 2 is inserted into the side of the plate body 1 close to the sewage treatment tank, and a spring 2 is fixedly connected between the plate body 2 and the inner wall of the plate body 1.

[0013] An air flotation type oil-water separation treatment device comprises a sewage treatment box, a sludge box interconnected with the sewage treatment box is integrally fixed to the lower surface of the sewage treatment box, a separation box is integrally fixed to the side of the sewage treatment box close to the sludge box, a filter plate is fixedly installed in the separation box, two vertical plates are respectively fixed to the front and rear sides of the sewage treatment box, a resettable telescopic rod is fixed to the filter plate, and an air intake pipe is installed on the bottom surface of the inner wall of the sewage treatment box.

[0014] As a preferred technical solution of the present application, a slag blowing mechanism is provided on the sewage treatment box, and the slag blowing mechanism includes two resettable telescopic rods fixed on the side wall of the sewage treatment box, and the free end of the two resettable telescopic rods is fixedly connected to a rectangular box, and the rectangular box is open on the side away from the two resettable telescopic rods. A pipe one and a pipe two that are interconnected with the interior of the rectangular box are fixed on the surface of the rectangular box, a one-way valve one is installed on the pipe one, and a one-way valve two is installed on the pipe two. An air outlet slot is opened on the side wall of the sewage treatment box, and a hose that is interconnected with the air outlet slot is fixedly connected to the sewage treatment box, and the free end of the hose is fixedly installed on the free end of pipe two.

[0015] As a preferred technical solution of the present application, a stirring mechanism is provided in the sewage treatment tank, and the stirring mechanism includes a slide rail installed on the bottom surface of the inner wall of the sewage treatment tank, the slide rail is slidably connected with a slider, the slider is rotatably connected with a vertical rod, the vertical rod is rotatably connected with two symmetrically distributed stirring blades, a threaded rod threadedly connected to the upper end of the vertical rod is inserted, and an electric push rod is lateral limited slidingly connected to the inner wall of the sewage treatment tank, and the free end of the electric push rod is fixedly mounted on the threaded rod.

[0016] As a preferred technical solution of the present application, an L-rod 1 is fixed on the surface of the threaded rod, an L-rod 2 is telescopically inserted at a lower end of the L-rod, a spring 3 is sleeved on the surfaces of the L-rod 2 and the L-rod 1, the two ends of the spring 3 are respectively fixed on the L-rod 1 and the L-rod 2, a spring 3 is integrally fixed on one end of the L-rod 2, and the spring 3 is rotatably connected inside with an annular sleeve sleeved on the vertical pole.

[0017] As a preferred technical solution of the present application, a strip groove is provided on the surface of the vertical pole, and a sliding strip slidably matched with the strip groove is integrally fixed to the inner wall of the annular sleeve.

[0018] As a preferred technical solution of the present application, a gear coaxially fixed with the stirring blade is arranged on the outer side of the vertical rod, a rectangular hole adapted to the gear is opened on the surface of the annular sleeve, a rack meshing with the gear is integrally fixed on the side wall of the rectangular hole, and a round tube adapted to the threaded rod is vertically fixed on the sliding rod.

[0019] Compared with the prior art, the present invention has the following beneficial effects: In the scheme of this application: 1. In order to solve the problem in the prior art that when the scraper enters the water surface again, the scum on its surface will be brought into the water again, resulting in poor scum separation effect of the overall device, the present application realizes that the scum on the surface of the scraper can be scraped off by the drive mechanism and scraper assembly, thereby effectively preventing the scraper from bringing the scum into the water when entering the water surface again, and effectively improving the overall oil-water separation efficiency of the device; 2. The present application adopts a slag blowing mechanism to realize that the scraper can blow away the slag on the water surface when returning after scraping the slag once, further completing the oil-water separation, and making the area where the scraper enters the water surface again have very little slag; 3. The stirring mechanism is used to stir the high-pressure gas and break the gas into tiny bubbles; 4. The stirring blades in the stirring mechanism can also act as scrapers, moving horizontally with the scraper to process the sludge at the bottom of the sewage treatment tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of the air-floating oil-water separation mechanism provided in this application; Figure 2 A schematic cross-sectional view of the air-floating oil-water separation mechanism provided in this application; Figure 3 A schematic diagram of the structure of the driving mechanism of the air-floating oil-water separation mechanism provided in this application; Figure 4 A schematic diagram of the structure of the scraper assembly of the air-floating oil-water separation mechanism provided in this application; Figure 5 A schematic diagram of the structure of the slag blowing mechanism of the air flotation oil-water separation treatment device provided in this application; Figure 6 The air flotation oil-water separation treatment device provided in this application Figure 5 A schematic diagram of the enlarged structure at A in the middle; Figure 7 A schematic diagram of the structure of the stirring mechanism of the air flotation oil-water separation treatment device provided in this application; Figure 8 The air flotation oil-water separation treatment device provided in this application Figure 7 Schematic diagram of the structure at B in the figure.

[0021] Indicated in the figure: Fig. 9 A schematic diagram of the explosion structure of the stirring mechanism of the air flotation type oil-water separation treatment device provided in this application; 101. Sewage treatment tank; 102. Sludge tank; 103. Separation tank; 104. Filter plate; 2. Scraper plate; 3. Driving mechanism; 301. Vertical plate; 302. First vertical slot; 303. First horizontal slot; 304. Second vertical slot; 305. Second horizontal slot; 306. Sliding rod; 307. Cross rod; 308. Rectangular plate; 309. Inclined slot; 3010. Mounting slot; 3011. Inclined stopper; 3012. Spring 1; 4. Slag scraping assembly; 401. Resettable telescopic rod 1; 402. Plate 1; 403. Plate 2; 404. Spring 2; 5. Slag blowing mechanism; 501. Resettable telescopic rod 2; 502. Rectangular box; 503. Pipeline 1; 504. Pipeline 2; 505. One-way valve 1; 506. One-way valve 2; 507. Air outlet slot; 508. Hose; 6. stirring mechanism; 601. slide rail; 602. slider; 603. vertical rod; 604. stirring blade; 605. threaded rod; 606. electric push rod; 607. L rod one; 608. L rod two; 609. spring three; 6010. annular sleeve; 6011. strip groove; 6012. slide bar; 6013. gear; 6014. rectangular hole; 6015. rack; 6016. round tube; 7. Air intake duct. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0023] As described in the background art, scum will stick to the scraper. When the scraper enters the water surface again, the scum on the surface will be brought into the water again, resulting in poor scum separation effect of the entire device.

[0024] In order to solve this technical problem, the present invention provides an air-floating oil-water separation mechanism and a treatment device, which are applied to sewage treatment.

[0025] Specifically, please refer to Figure 1 - Figure 4 The air-floating oil-water separation mechanism specifically comprises: Two symmetrically distributed vertical plates, and a scraper plate located between the two vertical plates, the surface of the vertical plates is provided with a first vertical groove, a first horizontal groove, a second vertical groove, and a second horizontal groove which are distributed in a clockwise direction and interconnected to form a rectangular groove, a sliding rod is arranged between the two vertical plates, the sliding rod is slidably adapted to the first vertical groove, the first horizontal groove, the second vertical groove, and the second horizontal groove, the surface of the sliding rod is fixedly connected to a horizontal rod, and the scraper plate is fixedly installed on the free end of the horizontal rod.

[0026] The air-floating oil-water separation mechanism provided by the present invention realizes that the scraper plate can scrape off the scum on the water surface while also scraping off the scum on the surface thereof, through the provided driving mechanism and scraper assembly, thereby effectively preventing the scraper plate from bringing the scum into the water when entering the water surface again, and effectively improving the overall oil-water separation efficiency of the device.

[0027] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] Example 1, please refer to Figure 1 - Figure 4 , an air-floating oil-water separation mechanism, comprising a scraper plate 2, a driving mechanism 3, and a scraper assembly 4.

[0031] The driving mechanism 3 includes two symmetrically distributed vertical plates 301, and a scraper plate 2 located between the two vertical plates 301. The surface of the vertical plate 301 is provided with a first vertical groove 302, a first horizontal groove 303, a second vertical groove 304, and a second horizontal groove 305 which are distributed in a clockwise direction and interconnected to form a rectangular groove. A sliding rod 306 is provided between the two vertical plates 301. The sliding rod 306 is slidably adapted to the first vertical groove 302, the first horizontal groove 303, the second vertical groove 304, and the second horizontal groove 305. A horizontal rod 307 is fixedly connected to the surface of the sliding rod 306, and the scraper plate 2 is fixedly installed on the free end of the horizontal rod 307. By opening a rectangular groove on the surface of the vertical plate 301, the moving path of the scraper plate 2 can be limited, and the scraper plate 2 moves along the rectangular groove.

[0032] The surfaces of the two vertical plates 301 are both connected with rectangular plates 308 in a transverse limited sliding manner. The rectangular plates 308 are driven by an external driving device, which is an electric telescopic rod for driving the rectangular plates 308 to move in a horizontal direction. The surfaces of the rectangular plates 308 are provided with bevel grooves 309, and the slide rod 306 passes through the bevel grooves 309 and is slidably adapted thereto. The bevel grooves 309 can limit the moving direction of the slide rod 306.

[0033] The surface of the vertical plate 301 is provided with two installation grooves 3010, one of which is interconnected with the upper end of the second vertical groove 304 and is vertically distributed, and the other is interconnected with the lower end of the first vertical groove 302 and is vertically distributed. The two installation grooves 3010 are both provided with inclined surface blocks 3011, and the two inclined surface blocks 3011 extend into the second vertical groove 304 and the first vertical groove 302 respectively, and a spring 1 3012 is fixedly connected between the inclined surface block 3011 and the inner wall of the installation groove 3010; By providing a bevel stopper 3011 that can be completely retracted into the mounting groove 3010, the moving direction of the slide bar 306 can be restricted; A lower surface of a sloped stopper 3011 located in the second vertical groove 304 is inclined, and is inclined from bottom to top from a side close to the corresponding mounting groove 3010 to a side away from the corresponding mounting groove 3010; The upper surface of a sloped stopper 3011 located in the first vertical groove 302 is inclined, and is inclined from top to bottom from a side close to the corresponding mounting groove 3010 to a side away from the corresponding mounting groove 3010 .

[0034] Example 2, the air-floating oil-water separation mechanism provided in Example 1 is further optimized, specifically, Figure 2 and Figure 4 As shown, the scraper assembly 4 includes a repositionable telescopic rod 1 401, which will be shortened when subjected to external force, and will return to its original length after the external force disappears. A plate 1 402 is fixedly connected to the upper end of the repositionable telescopic rod 1 401, and a plate 2 403 is plugged into the side of the plate 1 402 close to the sewage treatment tank 101. The plate 2 403 can be extended and retracted in the plate 1 402, and a spring 2 404 is fixedly connected between the plate 2 403 and the inner wall of the plate 1 402; When the scraper plate 2 pushes the plate body 2 403 to move into the plate body 1 402 , the spring 2 404 will exert a thrust on the plate body 2 403 , allowing the plate body 2 403 to press against the surface of the scraper plate 2 . When the scraper plate 2 moves upward, the plate body 2 403 can scrape off the scum on the surface of the scraper plate 2 .

[0035] Example 3, please refer to Figure 2 , Figure 5 , Figure 6 , an air flotation type oil-water separation treatment device, comprising a sewage treatment box 101, a sludge box 102 interconnected with the sewage treatment box 101 is integrally fixed on the lower surface of the sewage treatment box 101, a separation box 103 is integrally fixed on one side of the sewage treatment box 101 close to the sludge box 102, a filter plate 104 is fixedly installed in the separation box 103, two vertical plates 301 are respectively fixed on the front and rear sides of the sewage treatment box 101, and the resettable telescopic rod 401 is fixed on the filter plate 104; Specifically, the partition between the sewage treatment tank 101 and the separation tank 103 is slightly lower, so that the scraper plate 2 can scrape the scum floating on the sewage treatment tank 101 into the separation tank 103, and the filter plate 104 can filter the scum.

[0036] The sewage treatment tank 101 is provided with a slag blowing mechanism 5 .

[0037] The slag blowing mechanism 5 includes a repositionable telescopic rod 2 501 fixed on the side wall of the sewage treatment tank 101. When the repositionable telescopic rod 2 501 is subjected to an external force, it will shorten and restore its original length after the external force disappears. The free end of the repositionable telescopic rod 2 501 is fixedly connected to a rectangular box 502. The side of the rectangular box 502 away from the repositionable telescopic rod 2 501 is open. A pipe 1 503 and a pipe 2 504 that are interconnected with the inside of the rectangular box 502 are fixed on the surface of the rectangular box 502. A one-way valve 1 505 is installed on the pipe 1 503, and a one-way valve 2 506 is installed on the pipe 2 504. When the scraper plate 2 enters the rectangular box 502 , it will fit tightly with the inner wall of the rectangular box 502 , acting as a piston plate. The scraper plate 2 can transport the gas by performing piston motion in the rectangular box 502 .

[0038] An air outlet slot 507 is provided on the side wall of the sewage treatment box 101, and a hose 508 which is in communication with the air outlet slot 507 is fixedly connected to the sewage treatment box 101, and the free end of the hose 508 is fixedly mounted on the free end of the second pipe 504; The gas delivered by the scraper plate 2 as a piston moves out from the air outlet slot 507 and blows the scum on the surface of the sewage treatment box 101 toward the side of the separation box 103 .

[0039] Example 4, please refer to Figure 7 - Fig. 9 A stirring mechanism 6 is provided in the sewage treatment tank 101, and the stirring mechanism 6 includes a slide rail 601 installed on the bottom surface of the inner wall of the sewage treatment tank 101, a slider 602 is slidably connected to the slide rail 601, and a vertical rod 603 is rotatably connected to the slider 602, and two symmetrically distributed stirring blades 604 are rotatably connected to the vertical rod 603, so that the working angle of the stirring blade 604 is adjustable, and a threaded rod 605 threadedly connected to the upper end of the vertical rod 603 is inserted, and the threaded rod 605 can drive the vertical rod 603 to rotate when it moves up and down. The inner wall of the sewage treatment tank 101 is lateral limited and slidably connected with an electric push rod 606, and the free end of the electric push rod 606 is fixedly installed on the threaded rod 605, and the electric push rod 606 can drive the threaded rod 605 to move up and down.

[0040] An L-rod 1 607 is fixed on the surface of the threaded rod 605, and an L-rod 2 608 is telescopically inserted at the lower end of the L-rod 1 607. A spring 3 609 is sleeved on the surfaces of the L-rod 2 608 and the L-rod 1 607. Both ends of the spring 3 609 are respectively fixed on the L-rod 1 607 and the L-rod 2 608. One end of the L-rod 2 608 is integrally fixed with the spring 3 609. The spring 3 609 is rotatably connected with an annular sleeve 6010 sleeved on the vertical rod 603, and the spring 3 609 can press the annular sleeve 6010 against the surface of the slider 602.

[0041] The surface of the vertical rod 603 is provided with a strip groove 6011, and the inner wall of the annular sleeve 6010 is integrally fixed with a slide bar 6012 slidably adapted to the strip groove 6011. The vertical rod 603 can drive the annular sleeve 6010 to rotate accordingly, and the annular sleeve 6010 can also move up and down along the vertical rod 603.

[0042] A gear 6013 coaxially fixed with the stirring blade 604 is disposed on the outer side of the vertical rod 603, a rectangular hole 6014 adapted to the gear 6013 is opened on the surface of the annular sleeve 6010, and a rack 6015 meshing with the gear 6013 is integrally fixed on the side wall of the rectangular hole 6014; The coordination of the rack 6015 and the gear 6013 enables the stirring blade 604 to change its angle.

[0043] A round tube 6016 adapted to the threaded rod 605 is vertically fixed on the sliding rod 306 , and the threaded rod 605 can be inserted into the round tube 6016 .

[0044] An air intake pipe 7 is installed on the bottom surface of the inner wall of the sewage treatment box 101 for the external high-pressure gas to enter.

[0045] The use process of the air-floating oil-water separation mechanism and treatment device provided by the present invention is as follows: Working principle: When external sewage enters the sewage treatment tank 101, the water level is flush with the partition between the sewage treatment tank 101 and the separation tank 103, and the scum floating on the water surface can be scraped into the separation tank 103, thereby achieving the effect of oil-water separation; The external electric telescopic rod is started to push the two rectangular plates 308 to reciprocate in the horizontal direction. When the rectangular plates 308 move toward the separation box 103, the inner wall of the inclined groove 309 can push the slide bar 306 to move along the second transverse groove 305 toward the separation box 103. The slide bar 306 can drive the scraper plate 2 to move toward the separation box 103 through the transverse rod 307. At this time, the scraper plate 2 scrapes the scum on the surface of the sewage treatment box 101 into the separation box 103. When the scraper plate 2 moves to the side of the second plate body 403, it can push the second plate body 403 to move into the first plate body 402, and at the same time, the second plate body 403 also rests on the surface of the scraper plate 2; When the slide bar 306 moves to the end of the second transverse groove 305, the inner wall of the inclined groove 309 can push the slide bar 306 to move upward along the second vertical groove 304, and the slide bar 306 can drive the scraper plate 2 to move upward through the transverse rod 307, so that the scum on the surface of the scraper plate 2 is scraped off by the plate body 403, thereby completing the cleaning of the scraper plate 2, and at the same time the scraper plate 2 is separated from the water surface; In the process of moving upward, the slide bar 306 gradually pushes the inclined surface of one of the inclined surface blocks 3011, so that the inclined surface block 3011 moves into the installation groove 3010, and thus smoothly moves into the first transverse groove 303. At this time, the rebound force of the spring 1 3012 drives the inclined surface block 3011 to return to its original position, and the inclined surface block 3011 blocks the slide bar 306 so that it cannot move downward. At this time, the two rectangular plates 308 move toward the side close to the sewage treatment box 101, and the rectangular plates 308 can push the sliding rod 306 to move toward the side close to the first vertical slot 302. The sliding rod 306 can drive the scraping plate 2 to move toward the side close to the first vertical slot 302 through the cross bar 307. The scraping plate 2 gradually enters the rectangular box 502 and acts as a piston plate. When the scraping plate 2 moves into the rectangular box 502, it can squeeze out the gas in the rectangular box 502 and spray it out through the air outlet slot 507. At this time, the scum on the surface of the sewage treatment box 101 is blown to the side of the separation box 103. When the scraping plate 2 contacts the water surface again, there is less scum on the water surface near the air outlet slot 507. When the slide bar 306 moves to the upper end of the first vertical slot 302, the slide bar 306 moves downward along the first vertical slot 302, and the slide bar 306 can push another inclined surface stopper 3011 to move into the installation slot 3010, so that the slide bar 306 moves smoothly into the second horizontal slot 305, and the inclined surface stopper 3011 returns to its original position to block the slide bar 306 and prevent it from moving into the first vertical slot 302; At the same time, the sliding rod 306 drives the scraper plate 2 to move downward through the cross rod 307, and the scraper plate 2 drives the rectangular box 502 to move downward. When the scraper plate 2 moves toward the second vertical groove 304, it gradually comes out of the rectangular box 502. After the driving mechanism 3 is separated from the rectangular box 502, the rectangular box 502 moves upward to return to its original position. When the slide bar 306 moves upward along the second vertical slot 304 and the slide bar 306 has not passed over the inclined stopper 3011, and the scraper plate 2 is above the second plate body 403, the rectangular plate 308 can move toward the side close to the sewage treatment tank 101, thereby pushing the slide bar 306 to move downward along the second vertical slot 304, and the slide bar 306 can drive the scraper plate 2 to move downward through the cross bar 307, and the scraper plate 2 can push the second plate body 403 and the first plate body 402 to move downward, so that the second plate body 403 and the first plate body 402 squeeze the scum in the separation box 103 and dehydrate the scum; In the initial state, the two stirring blades 604 are located in the middle of the sewage treatment tank 101; The electric push rod 606 is started to drive the threaded rod 605 to move up and down. Since the threaded rod 605 and the vertical rod 603 are threadedly connected, the threaded rod 605 can drive the vertical rod 603 to rotate, and the vertical rod 603 can drive the two stirring blades 604 to rotate accordingly, so that the stirring blades 604 can break up the gas coming in through the air inlet pipe 7 to form small bubbles; When the electric push rod 606 drives the threaded rod 605 to move up and down and drives the two stirring blades 604 to rotate and stir the bubbles, the threaded rod 605 will not contact the annular sleeve 6010 that moves with the sliding rod 306, nor will it block the scraping work of the scraper plate 2; Furthermore, the stirring blade 604 is in an inclined state when stirring the bubbles and does not contact the bottom surface of the sewage treatment tank 101; When the slide bar 306 moves, it can drive the round tube 6016 to move with it. When the slide bar 306 is located in the second transverse groove 305 and the round tube 6016 is located directly above the threaded rod 605, the threaded rod 605 is driven upward by the electric push rod 606, so that the threaded rod 605 is inserted into the round tube 6016. At the same time, the threaded rod 605 drives the L rod 1 607 to move upward. When the spring 3 609 returns to its original state, the L rod 1 607 can drive the L rod 2 608 to move upward. The L rod 2 608 can drive the annular sleeve 6010 to move upward through the spring 3 609. The annular sleeve 6010 can drive the rack 6015 to move upward. The rack 6015 can drive the gear 6013 to rotate. The gear 6013 can drive the stirring blade 604 to rotate, so that the stirring blade 604 changes from an inclined state to a vertical state, and fits with the bottom surface of the inner wall of the sewage treatment tank 101. At this time, the stirring blade 604 can act as a scraper, following the movement of the slide bar 306 to scrape the sludge at the bottom of the sewage treatment tank 101 into the sludge tank 102. When the threaded rod 605 is inserted into the circular tube 6016 , the two stirring blades 604 and the slide rail 601 are in a vertically distributed state.

[0046] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] Obviously, the embodiments described above are only some embodiments of the present invention, rather than all embodiments. The preferred embodiments of the present invention are given in the accompanying drawings, but they do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific embodiments, or to perform equivalent replacements for some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of the present invention, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the present invention.

Claims

1. An air-floating oil-water separation mechanism, characterized in that: The invention comprises a scraper plate (2), a driving mechanism (3), and a scraper assembly (4), wherein the driving mechanism (3) comprises two symmetrically distributed vertical plates (301), and a scraper plate (2) located between the two vertical plates (301); a surface of the vertical plate (301) is provided with a first vertical groove (302), a first horizontal groove (303), a second vertical groove (304), and a second horizontal groove (305) which are sequentially distributed in a clockwise direction and interconnected to form a rectangular groove; a sliding rod (306) is provided between the two vertical plates (301); the sliding rod (306) is slidably matched with the first vertical groove (302), the first horizontal groove (303), the second vertical groove (304), and the second horizontal groove (305); a horizontal rod (307) is fixedly connected to the surface of the sliding rod (306); and the scraper plate (2) is fixedly mounted on the free end of the horizontal rod (307).

2. The air-floating oil-water separation mechanism according to claim 1, characterized in that: The surfaces of the two vertical plates (301) are both laterally limited and slidably connected with rectangular plates (308), the rectangular plates (308) are driven by an external driving device, the surfaces of the rectangular plates (308) are provided with inclined grooves (309), and the sliding rods (306) pass through the inclined grooves (309) and are slidably adapted thereto.

3. The air-floating oil-water separation mechanism according to claim 2, characterized in that: The surface of the vertical plate (301) is provided with two installation grooves (3010), one of which is interconnected with the upper end of the second vertical groove (304) and is vertically distributed, and the other is interconnected with the lower end of the first vertical groove (302) and is vertically distributed. The two installation grooves (3010) are both provided with inclined surface blocks (3011), and the two inclined surface blocks (3011) extend into the second vertical groove (304) and the first vertical groove (302) respectively. A spring 1 (3012) is fixedly connected between the inclined surface block (3011) and the inner wall of the installation groove (3010).

4. The air-floating oil-water separation mechanism according to claim 3, characterized in that: The scraper assembly (4) comprises a repositionable telescopic rod (401), the upper end of which is fixedly connected to a plate body (402), a side of the plate body (402) close to the sewage treatment tank (101) being plugged with a plate body (403), and a spring (404) being fixedly connected between the plate body (403) and the inner wall of the plate body (402).

5. An air-floating oil-water separation treatment device, using the air-floating oil-water separation mechanism according to claim 4, characterized in that: The invention comprises a sewage treatment box (101), wherein a sludge box (102) which is in communication with the sewage treatment box (101) is integrally fixed to the lower surface of the sewage treatment box (101), a separation box (103) is integrally fixed to a side of the sewage treatment box (101) close to the sludge box (102), a filter plate (104) is fixedly installed in the separation box (103), two vertical plates (301) are respectively fixed to the front and rear sides of the sewage treatment box (101), a repositionable telescopic rod (401) is fixed to the filter plate (104), and an air intake pipe (7) is installed on the bottom surface of the inner wall of the sewage treatment box (101).

6. The air-floating oil-water separation treatment device according to claim 5, characterized in that: The sewage treatment box (101) is provided with a slag blowing mechanism (5), the slag blowing mechanism (5) comprising a second repositionable telescopic rod (501) fixed on the side wall of the sewage treatment box (101), the free end of the second repositionable telescopic rod (501) being fixedly connected to a rectangular box (502), the side of the rectangular box (502) away from the second repositionable telescopic rod (501) being open, a first pipe (503) and a second pipe (504) being connected to the inside of the rectangular box (502) being fixed on the surface of the rectangular box (502), a first check valve (505) being installed on the first pipe (503), a second check valve (506) being installed on the second pipe (504), an air outlet slot (507) being provided on the side wall of the sewage treatment box (101), a hose (508) being fixedly connected to the sewage treatment box (101) and connected to the air outlet slot (507), the free end of the hose (508) being fixedly installed on the free end of the second pipe (504).

7. The air flotation type oil-water separation treatment device according to claim 6, characterized in that: A stirring mechanism (6) is provided in the sewage treatment tank (101), the stirring mechanism (6) comprising a slide rail (601) mounted on the bottom surface of the inner wall of the sewage treatment tank (101), a slider (602) being slidably connected to the slide rail (601), a vertical rod (603) being rotatably connected to the slider (602), two symmetrically distributed stirring blades (604) being rotatably connected to the vertical rod (603), a threaded rod (605) being threadedly connected to the vertical rod (603) being inserted at the upper end thereof, an electric push rod (606) being slidably connected to the inner wall of the sewage treatment tank (101), the free end of the electric push rod (606) being fixedly mounted on the threaded rod (605).

8. The air flotation type oil-water separation treatment device according to claim 7, characterized in that: An L-rod 1 (607) is fixed on the surface of the threaded rod (605); an L-rod 2 (608) is telescopically inserted at the lower end of the L-rod 1 (607); a spring 3 (609) is sleeved on the surfaces of the L-rod 2 (608) and the L-rod 1 (607); two ends of the spring 3 (609) are respectively fixed on the L-rod 1 (607) and the L-rod 2 (608); one end of the L-rod 2 (608) is integrally fixed with the spring 3 (609); and an annular sleeve (6010) sleeved on the vertical rod (603) is rotatably connected inside the spring 3 (609).

9. The air flotation type oil-water separation treatment device according to claim 8, characterized in that: The surface of the vertical rod (603) is provided with a strip groove (6011), and the inner wall of the annular sleeve (6010) is integrally fixed with a sliding strip (6012) that is slidably matched with the strip groove (6011).

10. The air flotation type oil-water separation treatment device according to claim 9, characterized in that: A gear (6013) coaxially fixed with the stirring blade (604) is arranged on the outside of the vertical rod (603); a rectangular hole (6014) adapted to the gear (6013) is opened on the surface of the annular sleeve (6010); a rack (6015) meshing with the gear (6013) is integrally fixed on the side wall of the rectangular hole (6014); and a round tube (6016) adapted to the threaded rod (605) is vertically fixed on the sliding rod (306).

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