Aeration fluidization struvite crystallization granulation device

Abstract

The invention relates to the technical field of sewage treatment, and discloses an aeration fluidization struvite crystallization granulation device which comprises a bottom plate and a rotating rod, the rotating rod is rotationally arranged in the middle of the upper surface of the bottom plate, the upper end of the rotating rod is fixedly sleeved with a rotating disc, and a first motor is fixedly arranged on the lower surface of the bottom plate; and the output end of the first motor is fixedly connected with one end of a rotating rod, machining cylinders are fixedly connected to the two sides of the lower portion of the rotating disc through connecting rods, and a sewage inlet is formed in one side of the upper end of each machining cylinder. According to the aeration fluidization struvite crystallization granulation device, the design of double processing barrels is adopted, when the processing barrel on one side is subjected to material changing and cleaning, the processing barrel on the other side can be kept in a working state, the waste time of material changing and cleaning can be greatly shortened, then the processing efficiency can be improved, the inner walls of the processing barrels can be automatically cleaned, and the labor intensity of workers is reduced. Materials can be effectively prevented from hardening on the inner wall of the barrel, and manpower can be greatly saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sewage treatment, in particular to a device for crystallizing and granulating struvite by aeration fluidization. BACKGROUND

[0002] Struvite (magnesium ammonium phosphate, MAP) crystallization is an effective technology for treating high-phosphorus and high-nitrogen wastewater and recycling phosphorus resources. In the existing device for crystallizing and granulating struvite by aeration fluidization, a single processing cylinder structure is usually adopted. When the device is replaced and cleaned, the whole device needs to stop running, resulting in interruption of production, waste of a lot of time, and serious influence on processing efficiency. In addition, the material is easy to be caked on the inner wall of the processing cylinder during processing. The existing device mostly relies on manual cleaning, which not only consumes a lot of manpower, but also cannot guarantee the cleaning effect. If the cleaning is not timely, it will affect the quality and efficiency of struvite crystallization and granulation. SUMMARY

[0003] (I) Technical problems solved In view of the deficiencies of the prior art, the present application provides a device for crystallizing and granulating struvite by aeration fluidization, which has the advantages of adopting a double processing cylinder design, being able to keep the other processing cylinder in a working state when one side of the processing cylinder is replaced and cleaned, greatly reducing the time wasted in replacement and cleaning, thereby improving the processing efficiency, and being able to automatically clean the inner wall of the processing cylinder, effectively preventing the material from being caked on the inner wall of the cylinder, and greatly saving manpower, thereby solving the problems raised in the background art.

[0004] (II) Technical solutions In order to achieve the above-mentioned purpose, the present application provides the following technical solutions: a device for crystallizing and granulating struvite by aeration fluidization, comprising a bottom plate and a rotating rod, the rotating rod is rotatably arranged in the middle of the upper surface of the bottom plate, the upper end of the rotating rod is fixedly sleeved with a rotating disc, the lower surface of the bottom plate is fixedly provided with a first motor, the output end of the first motor is fixedly connected with one end of the rotating rod, the lower side of the rotating disc is fixedly connected with a processing cylinder through a connecting rod on both sides, the upper end of one side of the processing cylinder is provided with a sewage inlet, the middle end of both sides of the processing cylinder is provided with a feeding port, the lower end of one side of the processing cylinder is provided with a drainage port, the outer side of the feeding port and the drainage port is fixedly provided with a fixed shell, the inside of the fixed shell is provided with a one-way plugging mechanism, the inner wall of the processing cylinder is provided with a scraping frame, the middle of the scraping frame is fixedly provided with a horizontal plate, the middle end of the upper side of the horizontal plate is fixedly provided with a vertical rod, the upper end of the vertical rod extends to the upper side of the rotating disc, one side of the upper surface of the bottom plate is fixedly provided with an L-shaped plate, the lower surface of the upper end of the L-shaped plate is provided with a pushing mechanism for pushing the vertical rod to move.

[0005] Preferably, the one-way sealing mechanism comprises shaft pins and baffles, the two shaft pins are rotationally arranged on the two sides of the inner part of the fixed shell, the two baffles are fixedly sleeved on the rod wall of the corresponding shaft pin, the rod wall of the shaft pin movably sleeves a torsional spring, one end of the torsional spring is fixedly connected with the shaft pin, and the other end of the torsional spring is fixedly connected with the inner wall of the fixed shell.

[0006] Preferably, the pushing mechanism comprises a cam and a reset plate, the two reset plates are fixedly arranged at the upper end of the corresponding vertical rod, the upper end of the L-shaped plate is fixedly arranged with a side plate, the front side of the side plate is rotationally arranged with a transmission rod, the cam is fixedly sleeved on the rod wall of the transmission rod, the lower side of the cam abuts against the upper surface of one of the reset plates, the rear side of the side plate is fixedly arranged with a second motor, the output end of the second motor is fixedly connected with one end of the transmission rod, and the rod wall of the reset rod movably sleeves a spring, and the two ends of the spring are fixedly connected with the corresponding reset plate and the rotating disc.

[0007] Preferably, the upper surface of the bottom plate and the two sides of the processing cylinder away from the L-shaped plate are fixedly arranged with first vertical plates, the side of the two first vertical plates close to the processing cylinder is provided with a feeding pipe, the two feeding pipes are inserted into the corresponding fixed shell and push away the corresponding baffles, the upper surface of the bottom plate and the side of the L-shaped plate close to the processing cylinder are fixedly arranged with a second vertical plate, the side of the second vertical plate close to the processing cylinder is provided with a drain pipe, one end of the drain pipe is inserted into the corresponding fixed shell and pushes away the corresponding baffle, and the side of the feeding pipe and the drain pipe away from the processing cylinder is fixedly arranged with corrugated pipes, and one end of the plurality of corrugated pipes is fixedly sleeved in the corresponding first vertical plate and second vertical plate.

[0008] Preferably, the surfaces of the cam and the reset plate are coated with a wear-resistant coating.

[0009] Preferably, the cross sections of the processing cylinder and the scraping frame are all rectangular, and the outer wall of the scraping frame abuts against the inner wall of the processing cylinder.

[0010] Preferably, the inner parts of the first vertical plate and the second vertical plate are threadedly sleeved with threaded rods, one end of the threaded rod close to the processing cylinder is rotationally connected with a sliding plate, and the plurality of sliding plates are fixedly sleeved with the outer walls of the corresponding feeding pipes and drain pipes.

[0011] Preferably, the first motor is fixedly connected with the lower surface of the bottom plate through a first support frame.

[0012] Preferably, the second motor is fixedly connected with the rear wall of the side plate through a second support frame.

[0013] (Three) beneficial effects Compared with the prior art, the present application provides an aeration fluidization guano stone crystallization granulation device, which has the following beneficial effects: 1. The aeration fluidized struvite crystallization granulation device, by the first motor drive rotating disc rotation, realizes two processing cylinder alternation operation. When one side processing cylinder carries out the discharge, the cleaning, the other side carries out the crystallization reaction simultaneously, greatly reduces the downtime.

[0014] 2. The aeration fluidized struvite crystallization granulation device, by the second motor drives the cam rotation, promotes the reset board and the vertical rod periodic up and down movement, the scraper frame is close to the processing cylinder inner wall reciprocating scraping, removes the congealed material. The cleaning efficiency is greatly reduced, and the labor cost is reduced.

[0015] 3. The aeration fluidized struvite crystallization granulation device, the torsional spring of one-way plugging mechanism makes the baffle automatic sealing fixed shell, pushes away the baffle when the feed pipe and the drain pipe are inserted, ensures the unidirectional flow of material, avoids the waste of reagent and the reaction imbalance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A kind of aeration fluidized struvite crystallization granulation device structure schematic diagram is proposed for the present application; Figure 2 It is Figure 1 The rear view structure schematic diagram of; Figure 3 It is Figure 1 The structure of A part of; Figure 4 It is Figure 3 The structure of B part of; Figure 5 It is Figure 1 The connection structure perspective view of scraper frame and vertical rod in;

[0017] In the drawing: 1, bottom plate;2, rotating rod;3, rotating disc;4, connecting rod;5, processing cylinder;6, scraper frame;7, vertical rod;8, reset board;9, spring;10, L-shaped plate;11, side plate;12, transmission rod;13, cam;14, fixed shell;15, first vertical plate;16, feed pipe;17, second vertical plate;18, drain pipe;19, first motor;20, second motor;21, sliding plate;22, threaded rod;23, bellows;24, baffle;25, shaft pin;26, torsional spring. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figures 1-5The utility model provides a kind of aeration fluidization struvite crystallization granulating device, including bottom plate 1 and rotating rod 2, rotating rod 2 rotation is arranged in the upper surface middle part of bottom plate 1, the upper end of rotating rod 2 is fixedly sleeved with rotating disc 3, the lower surface of bottom plate 1 is fixedly provided with first motor 19, the output end of first motor 19 is fixedly connected with one end of rotating rod 2, first motor 19 is fixedly connected with the lower surface of bottom plate 1 by first support seat, so that first motor 19 is more stable with the connection of bottom plate 1, the lower side of rotating disc 3 is fixedly connected with processing cylinder 5 by connecting rod 4 both sides, the upper end one side of processing cylinder 5 is equipped with sewage inlet, the middle end both sides of processing cylinder 5 are equipped with feed inlet, the lower end one side of processing cylinder 5 is equipped with drain, the outside of feed inlet and drain is fixedly provided with fixed shell 14, one-way plugging mechanism is provided in the inside of fixed shell 14, the inner wall of processing cylinder 5 is oppositely provided with scraping frame 6, the cross section of processing cylinder 5 and scraping frame 6 is rectangular, the outer wall of scraping frame 6 is opposite with the inner wall of processing cylinder 5, so that scraping frame 6 cannot rotate relative to processing cylinder 5, i.e. it can be stable sliding, the middle part of scraping frame 6 is fixedly provided with horizontal plate, the upper side of the middle end of horizontal plate is fixedly provided with vertical rod 7, the upper end of vertical rod 7 extends to the upper side of rotating disc 3, the side of the upper surface of bottom plate 1 is fixedly provided with L-shaped plate 10, the upper end lower surface of L-shaped plate 10 is provided with the pushing mechanism of pushing vertical rod 7 moves.

[0020] Please refer to Figures 1-5 One-way plugging mechanism includes shaft pin 25 and baffle 24, two shaft pins 25 rotationally arranged in the inside both sides of fixed shell 14, two baffles 24 are fixedly sleeved on the rod wall of corresponding shaft pin 25, the rod wall of shaft pin 25 movably sleeved with torsion spring 26, one end of torsion spring 26 is fixedly connected with shaft pin 25, the other end of torsion spring 26 is fixedly connected with the inner wall of fixed shell 14, in natural state, the elastic force of torsion spring 26 will make shaft pin 25 drive baffle 24 to rotate to vertical, close fixed shell 14, prevent sewage from feed inlet.

[0021] Please refer to Figures 1-5 Pushing mechanism includes cam 13 and reset plate 8, two reset plates 8 are fixedly provided on the upper end of corresponding vertical rod 7, the lower surface of the upper end of L-shaped plate 10 is fixedly provided with side plate 11, the front side of side plate 11 is rotationally provided with transmission rod 12, cam 13 is fixedly sleeved on the rod wall of transmission rod 12, the lower side of cam 13 is opposite with the upper surface of one side reset plate 8, the rear side of side plate 11 is fixedly provided with second motor 20, the output end of second motor 20 is fixedly connected with one end of transmission rod 12, second motor 20 is fixedly connected with the rear side wall of side plate 11 by second support seat, so that second motor 20 is more stable with the connection of side plate 11, the rod wall of reset rod movably sleeved with spring 9, both ends of spring 9 are fixedly connected with corresponding reset plate 8 and rotating disc 3 respectively, in natural state, the elastic force of spring 9 will push reset plate 8 to move up reset, the surface of cam 13 and reset plate 8 is coated with wear-resistant coating, improve the wear resistance of cam 13 and reset plate 8.

[0022] Please refer to Figures 1-5 The upper surface of the base plate 1 and the two sides of the processing cylinder 5 away from the L-shaped plate 10 are fixedly provided with first vertical plates 15, and the side close to the processing cylinder 5 of each first vertical plate 15 is provided with a feeding pipe 16, and the feeding pipe 16 is inserted into the corresponding fixed shell 14 and pushes away the corresponding baffle 24. The upper surface of the base plate 1 and the side close to the processing cylinder 5 of the L-shaped plate 10 are fixedly provided with a second vertical plate 17, and the side close to the processing cylinder 5 of the second vertical plate 17 is provided with a drainage pipe 18, one end of the drainage pipe 18 is inserted into the corresponding fixed shell 14 and pushes away the corresponding baffle 24. The side away from the processing cylinder 5 of the feeding pipe 16 and the drainage pipe 18 is fixedly provided with a corrugated pipe 23, and one end of the corrugated pipe 23 is fixedly sleeved in the corresponding first vertical plate 15 and the second vertical plate 17. The two feeding pipes 16 are respectively used for feeding aeration and decomposition drugs, and the drainage pipe 18 is used for discharging sewage.

[0023] Please refer to Figures 1-5 The inside of the first vertical plate 15 and the second vertical plate 17 is threadedly sleeved with a threaded rod 22, one end of the threaded rod 22 close to the processing cylinder 5 is rotatably connected with a sliding plate 21, and the sliding plate 21 is fixedly sleeved with the outer wall of the corresponding feeding pipe 16 and the drainage pipe 18, so as to conveniently drive the feeding pipe 16 and the drainage pipe 18 to be stably inserted into the corresponding fixed shell 14.

[0024] In summary, the device for crystallizing and granulating struvite by aeration and fluidization, in use, the first motor 19 drives the rotating disc 3 to rotate, and the two processing cylinders 5 are alternately aligned with the feeding pipe 16 and the drainage pipe 18. When the processing cylinder 5 is in the feeding position, rotating the threaded rod 22 can drive the feeding pipe 16 to be inserted into the corresponding fixed shell 14 and push away the corresponding baffle 24. The aeration flow and the medicament enter through the feeding pipes 16 on both sides, and the struvite crystallization reaction occurs. When rotating to the cleaning position, the second motor 20 drives the cam 13 to drive the scraping frame 6 to clean the inner wall, and at the same time, the other processing cylinder 5 continuously works. The one-way plugging mechanism ensures that the material does not backflow, and the corrugated pipe 23 ensures that the pipeline connection is stable, so as to realize continuous and efficient crystallization and granulation and automatic cleaning.

[0025] It should be noted that the term "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, so that processes, methods, articles or devices including a series of elements not only include those elements, but also include other elements not explicitly listed, or further include elements inherent to such processes, methods, articles or devices. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0026] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. An apparatus for granulation of struvite crystals by aeration of a fluidized bird's nest, comprising a bottom plate (1) and a rotating shaft (2), characterized in that: The rotating rod (2) is rotationally arranged in the middle of the upper surface of the bottom plate (1), the upper end of the rotating rod (2) is fixedly sleeved with a rotating disc (3), the lower surface of the bottom plate (1) is fixedly provided with a first motor (19), the output end of the first motor (19) is fixedly connected with one end of the rotating rod (2), the lower side of the rotating disc (3) is fixedly connected with a processing cylinder (5) through a connecting rod (4), the upper end of the processing cylinder (5) is provided with a sewage inlet on one side, the middle end of the processing cylinder (5) is provided with an inlet on both sides, the lower end of the processing cylinder (5) is provided with a drainage port on one side, the outer side of the inlet and the drainage port is fixedly provided with a fixed shell (14), the inside of the fixed shell (14) is provided with a one-way blocking mechanism, the inner wall of the processing cylinder (5) is abuttingly provided with a scraping frame (6), the middle of the scraping frame (6) is fixedly provided with a horizontal plate, the middle end of the horizontal plate is fixedly provided with a vertical rod (7) on the upper side, the upper end of the vertical rod (7) extends to the upper side of the rotating disc (3), the upper surface of the bottom plate (1) is fixedly provided with an L-shaped plate (10) on one side, the upper end of the L-shaped plate (10) is provided with a pushing mechanism for pushing the vertical rod (7) to move.

2. The apparatus for granulation of struvite crystals by aeration of a fluidized bird's nest according to claim 1, characterized in that: The one-way blocking mechanism comprises shaft pins (25) and baffles (24), two shaft pins (25) are rotationally arranged on the inside of the fixed shell (14) on both sides, two baffles (24) are fixedly sleeved on the rod wall of the corresponding shaft pin (25), the rod wall of the shaft pin (25) is movably sleeved with a torsional spring (26), one end of the torsional spring (26) is fixedly connected with the shaft pin (25), the other end of the torsional spring (26) is fixedly connected with the inner wall of the fixed shell (14).

3. The apparatus according to claim 1, wherein: The pushing mechanism comprises a cam (13) and a reset plate (8), two reset plates (8) are fixedly arranged on the upper end of the corresponding vertical rod (7), the upper end of the L-shaped plate (10) is fixedly provided with a side plate (11) on the lower surface, the front side of the side plate (11) is rotationally provided with a transmission rod (12), the cam (13) is fixedly sleeved on the rod wall of the transmission rod (12), the lower side of the cam (13) abuts against the upper surface of the reset plate (8) on one side, the rear side of the side plate (11) is fixedly provided with a second motor (20), the output end of the second motor (20) is fixedly connected with one end of the transmission rod (12), the rod wall of the reset rod is movably sleeved with a spring (9), the two ends of the spring (9) are respectively fixedly connected with the corresponding reset plate (8) and the rotating disc (3).

4. The apparatus of claim 1, wherein: The upper surface of the bottom plate (1) and the two sides of the processing cylinder (5) away from the L-shaped plate (10) are fixedly provided with first vertical plates (15), the side close to the processing cylinder (5) of the two first vertical plates (15) is provided with a feeding pipe (16), the two feeding pipes (16) are inserted with the corresponding fixed shell (14) and push away the corresponding baffle (24), the upper surface of the bottom plate (1) and the side close to the processing cylinder (5) of the L-shaped plate (10) are fixedly provided with a second vertical plate (17), the side close to the processing cylinder (5) of the second vertical plate (17) is provided with a drain pipe (18), one end of the drain pipe (18) is inserted with the corresponding fixed shell (14) and pushes away the corresponding baffle (24), the side away from the processing cylinder (5) of the feeding pipe (16) and the drain pipe (18) is fixedly provided with a corrugated pipe (23), one end of the plurality of corrugated pipes (23) is fixedly sleeved in the inside of the corresponding first vertical plate (15) and the second vertical plate (17).

5. The apparatus according to claim 3, wherein: The surfaces of the cam (13) and the reset plate (8) are coated with wear-resistant coating.

6. The apparatus of claim 1, wherein: The cross sections of the processing cylinder (5) and the scraping frame (6) are rectangular, and the outer wall of the scraping frame (6) abuts against the inner wall of the processing cylinder (5).

7. The apparatus of claim 4, wherein: The inside of the first vertical plate (15) and the second vertical plate (17) is threadedly sleeved with a threaded rod (22), one end of the threaded rod (22) close to the processing cylinder (5) is rotatably connected with a sliding plate (21), and the plurality of sliding plates (21) are fixedly sleeved with the outer walls of the corresponding feeding pipes (16) and drain pipes (18).

8. The apparatus of claim 1, wherein: The first motor (19) is fixedly connected with the lower surface of the bottom plate (1) through the first support seat.

9. The apparatus according to claim 3, wherein: The second motor (20) is fixedly connected with the rear side wall of the side plate (11) through the second support seat.

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