Efficient struvite reactor for removing nitrogen and phosphorus from wastewater

Abstract

The utility model relates to the technical field of struvite reactors, and discloses an efficient struvite reactor for removing nitrogen and phosphorus from wastewater, which comprises a reactor shell, a waste collecting tank is arranged on the front side of the reactor shell, an inner mixing device is arranged at the top end of the inside of the reactor shell, and an outer mixing device is arranged at the top end of the inner side of the reactor shell. A removing device is arranged at the bottom end in the reactor shell, and a feeding hole is formed in the top of the reactor shell. According to the efficient struvite reactor for removing nitrogen and phosphorus from wastewater, the removal device is arranged, the receiving hopper piece is arranged on the lower layer and used for collecting formed struvite crystals, the inclined discharging frame is designed at the bottom of the efficient struvite reactor, a discharging opening is formed, the crystals can be conveniently discharged, struvite is reserved in the efficient struvite reactor, and the efficient struvite reactor is convenient to use. The nitrogen and phosphorus removal rate and the struvite yield can be improved, a large number of seed crystal attachment plates can be arranged in the efficient reactor, attachment and growth of struvite seed crystals are facilitated, and the effect is good during use.

Description

TECHNICAL FIELD

[0001] The utility model relates to bird guano reactor technical field, concretely for a kind of bird guano for wastewater removal nitrogen, phosphorus high-efficiency reactor. BACKGROUND

[0002] With the acceleration of global industrialization process and the sustained growth of population, a large amount of wastewater containing nutrients such as nitrogen and phosphorus is discharged into natural water bodies. Nitrogen and phosphorus are key elements leading to water eutrophication, which can cause a series of serious environmental problems. Therefore, effectively removing nitrogen and phosphorus from wastewater is of great significance to control water eutrophication and protect water environment.

[0003] The prior art discloses a biological reactor for removing organic matter and ammonia nitrogen in wastewater by multiple media, which comprises a biological reaction cavity, an aeration pipe layer, a cobblestone layer, a cave pore layer and a flexible filler layer located in the biological reaction cavity. The aeration pipe layer is located below the water inlet at the bottom of the biological reaction cavity, and the cobblestone layer, the cave pore layer and the flexible filler layer are arranged from bottom to top. The top of the flexible filler layer is the water outlet of the biological reaction cavity, and the flexible filler in the flexible filler layer is suspended at the top of the biological reaction cavity. The above-mentioned device has a scientific and reasonable design, which improves the single attachment of the traditional biological reactor, is not conducive to the cultivation of dominant microbial species, combines the advantages of filler cave bed, surface bed and flexible filler bed, and provides each microorganism with a suitable survival and reproduction bed, thereby improving the reaction effect of the biological reactor and improving and stabilizing the water quality.

[0004] The above-mentioned bird guano high-efficiency reactor for wastewater removal nitrogen, phosphorus is provided with a suitable survival and reproduction bed, which improves the reaction effect of the biological reactor and improves and stabilizes the water quality. However, the above-mentioned bird guano high-efficiency reactor for wastewater removal nitrogen, phosphorus does not have a large number of crystal seed attachment plates inside, which is not conducive to the attachment and growth of bird guano crystal seeds, and the effect is not good during use, which needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a bird guano high-efficiency reactor for wastewater removal nitrogen, phosphorus to solve the problems in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a bird guano high-efficiency reactor for wastewater removal nitrogen, phosphorus, which comprises a reactor shell, a waste collection tank is arranged on the front surface of the reactor shell, an internal mixing device is arranged at the top of the inside of the reactor shell, a removal device is arranged at the bottom of the inside of the reactor shell, and a feed inlet is arranged at the top of the reactor shell.

[0007] The removing device comprises a crystal seed adhesion plate, a connecting column piece, a buffer connecting pad, a receiving hopper piece, an elastic bending pad, a connecting arc plate, a discharging rack, a discharging shielding plate and an inclined discharging rack, the crystal seed adhesion plate is connected to the inside of the reactor shell, the connecting column piece is fixedly connected to the bottom of the crystal seed adhesion plate, the buffer connecting pad is fixedly connected to the bottom of the connecting column piece, the receiving hopper piece is fixedly connected to the inside wall of the reactor shell, the elastic bending pad is fixedly connected to the front of the receiving hopper piece, the connecting arc plate is fixedly connected to the front of the elastic bending pad, the inclined discharging rack is fixedly connected to the front of the receiving hopper piece, the discharging rack is fixedly connected to the front of the inclined discharging rack, and the discharging shielding plate is inserted into the inside of the discharging rack.

[0008] Preferably, the inner mixing device comprises a processing cylinder, a stepping motor, a bottom plate, a driving motor, a rotating shaft rod, a surface connecting seat, a stirring paddle, a connecting block, a stirring rod and a support plate piece, the support plate piece is fixedly connected to the inside wall of the reactor shell, the stepping motor is fixedly connected to the top of the support plate piece, the bottom plate is fixedly connected to the output shaft of the stepping motor, the processing cylinder is fixedly connected to the top of the bottom plate, the driving motor is fixedly connected to the top of the bottom plate, the rotating shaft rod is fixedly connected to the output shaft of the driving motor, the surface connecting seat is fixedly connected to the surface of the rotating shaft rod, the connecting block is fixedly connected to the surface of the rotating shaft rod, and the stirring rod is fixedly connected to the side of the connecting block.

[0009] Preferably, the front of the surface connecting seat is fixedly connected with a bearing piece, the inner ring of the bearing piece is fixedly connected with a rotating rod piece, and the stirring paddle is fixedly connected to the surface of the rotating rod piece.

[0010] Preferably, the inside of the discharging rack is provided with a discharging groove, and the area of the discharging shielding plate is greater than the area of the discharging groove.

[0011] Preferably, the end, away from the front of the elastic bending pad, of the connecting arc plate is fixedly connected to the top of the discharging shielding plate.

[0012] Preferably, the top of the discharging rack is provided with a sliding groove, the thickness of the discharging shielding plate is matched with the thickness of the sliding groove, the sliding groove is arranged to limit the lifting of the discharging shielding plate, and the discharging shielding plate can be accurately inserted into the inside of the discharging rack to form a blockage when there is no discharging.

[0013] Preferably, the bottom end of the crystal seed adhesion plate is fixedly connected to the top of the buffer connecting pad, and the wastewater passes through the crystal seed adhesion plate; the crystal seed adhesion plate is made of porous ceramic material, has a rough surface and rich micropore structure, and is beneficial to the adhesion and growth of struvite crystal seeds.

[0014] Compared with the prior art, the device has the advantages that:

[0015] The efficient struvite reactor for removing nitrogen and phosphorus from wastewater is provided with a removal device, a receiving hopper for collecting the formed struvite crystals is arranged in the lower layer, the bottom is designed with an inclined discharge rack with an inclined shape and is provided with a discharge port, so that the crystals are discharged, the struvite retained in the inside can improve the removal rate of nitrogen and phosphorus and the yield of struvite, a large number of crystal seed attachment plates can be arranged in the efficient reactor, which is beneficial to the attachment and growth of struvite crystals, and the effect is good during use.

[0016] The efficient struvite reactor for removing nitrogen and phosphorus from wastewater is provided with an internal mixing device, the upper layer processing cylinder is mainly used for preliminarily mixing wastewater and magnesium source solution, the two are fully contacted through a stirring device, the stirring paddle is designed with special propeller blades, which can generate upward water flow to promote the upward movement of the mixed liquid, and the mixing time is repeatedly increased, and after preliminary mixing treatment, the internal nitrogen and phosphorus impurities can be preliminarily removed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a three-dimensional structure schematic view of the utility model inside;

[0019] Figure 3 It is a three-dimensional structure schematic view of the utility model inside; Figure 2 It is an enlarged structure schematic view of A in the utility model;

[0020] Figure 4 It is an enlarged structure schematic view of B in the utility model; Figure 2

[0021] In the drawing: 1, reactor shell; 2, waste collection tank; 3, internal mixing device; 301, processing cylinder; 302, step motor; 303, bottom plate; 304, driving motor; 305, rotating shaft; 306, surface connecting seat; 307, stirring paddle; 308, connecting block; 309, stirring rod; 310, support plate; 4, removal device; 401, crystal seed attachment plate; 402, connecting column; 403, buffer connecting pad; 404, receiving hopper; 405, elastic bending pad; 406, connecting arc plate; 407, discharge rack; 408, discharge baffle; 409, inclined discharge rack; 5, feed inlet. DETAILED DESCRIPTION

[0022] ​Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4 The present application provides the following technical solutions:

[0024] The bird droppings high-efficiency reactor for removing nitrogen and phosphorus from wastewater comprises a reactor shell 1, a waste collecting tank 2 arranged on the front face of the reactor shell 1, an internal mixing device 3 arranged at the top end of the inside of the reactor shell 1, a removal device 4 arranged at the bottom end of the inside of the reactor shell 1, and a feeding port 5 arranged at the top of the reactor shell 1.

[0025] The removal device 4 comprises a seed adhesion plate 401, a connecting column 402, a buffer connecting pad 403, a receiving hopper 404, an elastic bending pad 405, a connecting arc plate 406, a discharging rack 407, a discharging baffle 408, and an inclined discharging rack 409. The seed adhesion plate 401 is connected to the two sides of the inside of the reactor shell 1. The connecting column 402 is fixedly connected to the bottom of the seed adhesion plate 401. The buffer connecting pad 403 is fixedly connected to the bottom of the connecting column 402. The receiving hopper 404 is fixedly connected to the two bottom ends of the inner wall of the reactor shell 1. The elastic bending pad 405 is fixedly connected to the front face of the receiving hopper 404. The connecting arc plate 406 is fixedly connected to the front face of the elastic bending pad 405. The inclined discharging rack 409 is fixedly connected to the front face of the receiving hopper 404. The discharging rack 407 is fixedly connected to the front face of the inclined discharging rack 409. The discharging baffle 408 is inserted into the inside of the discharging rack 407. The lower end seed adhesion plate 401 is fixedly connected to the top of the buffer connecting pad 403. The wastewater passes through the seed adhesion plate 401. The seed adhesion plate is made of porous ceramic material, has a rough surface and rich microporous structure, and is beneficial to the adhesion and growth of the bird droppings seed. A discharging groove is arranged in the inside of the discharging rack 407. The area of the discharging baffle 408 is greater than that of the discharging groove. The end of the connecting arc plate 406 away from the front face of the elastic bending pad 405 is fixedly connected to the top of the discharging baffle 408. A sliding groove is arranged in the top of the discharging rack 407. The thickness of the discharging baffle 408 is adapted to that of the sliding groove. The sliding groove is arranged to limit the lifting of the discharging baffle 408, so that the discharging baffle 408 can be accurately inserted into the inside of the discharging rack 407 to form a blockage when no discharging is performed.

[0026] The inner mixing device 3 comprises a processing cylinder 301, a stepping motor 302, a bottom plate 303, a driving motor 304, a rotating shaft 305, a surface connecting seat 306, a stirring paddle 307, a connecting block 308, a stirring rod 309 and a support plate 310, the support plate 310 is fixedly connected to the inner wall of the reactor shell 1, the stepping motor 302 is fixedly connected to the top of the support plate 310, the bottom plate 303 is fixedly connected to the output shaft of the stepping motor 302, the processing cylinder 301 is fixedly connected to the top of the bottom plate 303, the driving motor 304 is fixedly connected to the top of the bottom plate 303, the rotating shaft 305 is fixedly connected to the output shaft of the driving motor 304, the surface connecting seat 306 is fixedly connected to the surface of the rotating shaft 305, the connecting block 308 is fixedly connected to the surface of the rotating shaft 305, the stirring rod 309 is fixedly connected to the side of the connecting block 308, the front surface of the surface connecting seat 306 is fixedly connected with a bearing, the inner ring of the bearing is fixedly connected with a rotating rod, and the stirring paddle 307 is fixedly connected to the surface of the rotating rod.

[0027] In use, the wastewater needing to remove impurities is poured into the inside of the reactor shell 1 through the top feed inlet 5, and then enters the processing cylinder 301 inside the reactor shell 1, and magnesium agent needs to be added after the wastewater is added, then the upper processing cylinder 301 is mainly used for preliminarily mixing the wastewater and the magnesium source solution, and the two are fully contacted through the stirring device, the stirring paddle 307 adopts a special propeller blade design, which can generate an upward water flow to promote the upward movement of the mixed liquid, and the mixing time is repeatedly increased, after the preliminary mixing treatment, the nitrogen and phosphorus impurities in the inside can be preliminarily removed, and then the wastewater after the mixing treatment flows to the lower part and is further treated by the removing device 4, after the wastewater is poured out from the processing cylinder 301 and the bottom plate 303, the wastewater passes through the crystal seed attachment plate 401, the crystal seed attachment plate is made of porous ceramic material, the surface is rough and has rich micropore structure, which is beneficial to the attachment and growth of struvite crystal seeds, and the lower part is provided with a receiving hopper 404 for collecting the formed struvite crystals, the bottom is designed as an inclined inclined discharge rack 409, and a discharge port is arranged, so as to facilitate the discharge of the crystals, and the inside is retained as struvite, which can improve the removal rate of nitrogen and phosphorus and the yield of struvite, a large number of crystal seed attachment plates 401 can be arranged in the high-efficiency reactor, which is beneficial to the attachment and growth of struvite crystal seeds, and the effect is good in use.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A struvite high-efficiency reactor for removing nitrogen and phosphorus from wastewater, comprising a reactor shell (1), characterized in that: The front of the reactor shell (1) is provided with a waste collection tank (2), the inner top end of the reactor shell (1) is provided with an internal mixing device (3), the inner bottom end of the reactor shell (1) is provided with a removal device (4), and the top of the reactor shell (1) is provided with a feed inlet (5); The removal device (4) comprises a crystal seed attachment plate (401), a connecting column (402), a buffer connecting pad (403), a receiving hopper (404), an elastic bending pad (405), a connecting arc plate (406), a discharge rack (407), a discharge shielding plate (408) and an inclined discharge rack (409), the crystal seed attachment plate (401) is connected to the inner sides of the reactor shell (1), the connecting column (402) is fixedly connected to the bottom of the crystal seed attachment plate (401), the buffer connecting pad (403) is fixedly connected to the bottom of the connecting column (402), the receiving hopper (404) is fixedly connected to the inner wall bottom ends of the reactor shell (1), the elastic bending pad (405) is fixedly connected to the front of the receiving hopper (404), the connecting arc plate (406) is fixedly connected to the front of the elastic bending pad (405), the inclined discharge rack (409) is fixedly connected to the front of the receiving hopper (404), the discharge rack (407) is fixedly connected to the front of the inclined discharge rack (409), and the discharge shielding plate (408) is inserted into the inner part of the discharge rack (407).

2. The struvite high-efficiency reactor for removing nitrogen and phosphorus from wastewater according to claim 1, characterized in that: The internal mixing device (3) comprises a processing cylinder (301), a stepping motor (302), a bottom plate (303), a driving motor (304), a rotating shaft (305), a surface connecting seat (306), a stirring paddle (307), a connecting block (308), a stirring rod (309) and a support plate (310), the support plate (310) is fixedly connected to the inner walls of the reactor shell (1), the stepping motor (302) is fixedly connected to the top of the support plate (310), the bottom plate (303) is fixedly connected to the output shaft of the stepping motor (302), the processing cylinder (301) is fixedly connected to the top of the bottom plate (303), the driving motor (304) is fixedly connected to the top of the bottom plate (303), the rotating shaft (305) is fixedly connected to the output shaft of the driving motor (304), the surface connecting seat (306) is fixedly connected to the surface of the rotating shaft (305), and the connecting block (308) is fixedly connected to the surface of the rotating shaft (305).

3. The struvite high-efficiency reactor for removing nitrogen and phosphorus from wastewater according to claim 2, characterized in that: The surface connecting seat (306) is fixedly connected with a bearing on the front, the inner ring of the bearing is fixedly connected with a rotating rod, and the stirring paddle (307) is fixedly connected to the surface of the rotating rod.

4. The struvite high-efficiency reactor for removing nitrogen and phosphorus from wastewater according to claim 1, characterized in that: The inner part of the discharge rack (407) is provided with a discharge groove, and the area of the discharge shielding plate (408) is greater than that of the discharge groove.

5. The struvite high-efficiency reactor for removing nitrogen and phosphorus from wastewater according to claim 1, characterized in that: The end of the connecting arc plate (406) away from the front of the elastic bending pad (405) is fixedly connected to the top of the discharge shielding plate (408).

6. The struvite high-efficiency reactor for removing nitrogen and phosphorus from wastewater according to claim 1, characterized in that: The top of the discharge frame (407) is provided with a chute, and the thickness of the discharge shielding plate (408) is matched with the thickness of the chute.

7. The struvite high-efficiency reactor for removing nitrogen and phosphorus from wastewater according to claim 1, characterized in that: The lower end of the seed crystal attachment plate (401) is fixedly connected to the top of the buffer connecting pad (403).

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