Phosphorus removal equipment for wastewater

Abstract

The utility model discloses dephosphorization equipment for wastewater, which comprises a stirring tank, a clean water tank and a connecting channel, a stirring structure is arranged on the stirring tank, a first filter screen is arranged on the inner wall of the stirring tank, a first sludge cleaning structure is arranged on the side wall of the stirring tank, a second sludge cleaning structure is arranged above the clean water tank, and a water outlet is arranged at the bottom of the clean water tank; the second sludge cleaning structure comprises a filter cartridge, a first sludge discharge port is formed in the side wall of the filter cartridge, a first spiral conveying auger is arranged at the end part of the filter cartridge, and a first spiral scraping plate is arranged along the side wall of the first spiral conveying auger. According to the present invention, the sewage is filtered through the first filtration screen and the filtration cylinder, and the residual precipitate in the filtration cylinder is discharged through the first spiral conveying auger so as to automatically clean the precipitate, such that the problem of manual cleaning is avoided, the labor intensity of the worker is reduced, and the time and the labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, and specifically relates to phosphorus removal equipment for wastewater. Background Art

[0002] Eutrophication of water bodies is a major problem of surface water in the world. Due to the rapid development of industry and agriculture, most water bodies in my country have or are facing eutrophication problems, the ecological security of water bodies has been seriously threatened, and to a certain extent, it has restricted the sustainable development of social economy. High phosphorus concentration in water bodies is one of the main causes of eutrophication of water bodies. At present, the way to remove phosphorus from wastewater is to add wastewater to a stirring tank, then add phosphorus removal agent, and then stir to mix the phosphorus removal agent with wastewater, so that the phosphorus in the wastewater reacts with the phosphorus removal agent to form a precipitate.

[0003] However, existing sediments need to be cleaned manually, which is labor-intensive, time-consuming and labor-intensive. Utility Model Content

[0004] The utility model aims to provide a phosphorus removal device for wastewater to solve the problem that the existing sediment needs to be cleaned manually, the manual cleaning is labor-intensive, time-consuming and labor-intensive.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a phosphorus removal device for wastewater, comprising a stirring tank, a clean water tank and a connecting channel between the stirring tank and the clean water tank, wherein the stirring tank is provided with a stirring structure, a first filter screen is provided on the inner wall of the stirring tank and located at the water inlet end of the connecting channel, a first cleaning structure is provided on the side wall of the stirring tank away from the connecting channel, a second cleaning structure is provided above the clean water tank and communicated with the water outlet end of the connecting channel, and a water outlet is provided at the bottom of the clean water tank;

[0006] The second cleaning structure includes a filter cartridge arranged on the clean water tank and connected to the connecting channel, a first row of waste ports is provided on the side wall of the filter cartridge extending out of the clean water tank, a first spiral conveying auger is provided at the end of the filter cartridge and extends into the filter cartridge, and a first spiral scraper is provided along the side wall of the first spiral conveying auger.

[0007] Preferably, the first cleaning structure includes a fixed cylinder arranged on the side wall of the stirring tank and connected to the bottom of the stirring tank, the top of the fixed cylinder is provided with a second spiral conveying auger extending into the fixed cylinder, a second spiral scraper is provided along the side wall of the second spiral conveying auger, a second waste outlet is provided at the upper end of the side wall of the fixed cylinder, a return water channel extending into the stirring tank is provided on the side wall of the fixed cylinder, and a second filter is provided on the inner wall of the fixed cylinder and at the water inlet end of the return water channel.

[0008] Preferably, the stirring structure comprises a driving motor arranged on the stirring tank, a driving end of the driving motor is provided with a rotating rod extending into the stirring tank, and a plurality of evenly distributed stirring rods are provided on the side wall of the rotating rod.

[0009] Preferably, a scraper matched with the first filter screen is provided on the stirring rod located below.

[0010] Preferably, the bottom of the stirring tank is inclined, and the bottom of the first cleaning structure is connected to the lower end of the inclined surface of the stirring tank.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model provides a phosphorus removal device for wastewater, after the wastewater is mixed with the phosphorus removal agent in the stirring tank to form a precipitate, a large amount of precipitate is cleaned through the first mud cleaning component, and then passes through the first filter screen and the filter cartridge in sequence and enters the clean water tank, and the residual precipitate in the filter cartridge is discharged through the first spiral conveying auger in cooperation with the first spiral scraper, thereby realizing automatic cleaning of the precipitate formed after the phosphorus removal agent and the wastewater are mixed, avoiding the problem of manual cleaning, reducing the labor intensity of workers, and saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0013] Figure 2 for Figure 1 A local enlarged structural schematic diagram;

[0014] Figure 3 for Figure 1 Schematic diagram of the local enlarged structure at point B.

[0015] In the figure: 1. stirring tank; 2. clean water tank; 3. connecting channel; 4. stirring structure; 4-1. driving motor; 4-2. rotating rod; 4-3. stirring rod; 5. first filter screen; 6. first cleaning structure; 6-1. fixing cylinder; 6-2. second spiral conveying auger; 6-3. second spiral scraper; 6-4. second waste outlet; 6-5. return water channel; 6-6. second filter screen; 7. second cleaning structure; 7-1. filter cylinder; 7-2. first waste outlet; 7-3. first spiral conveying auger; 7-4. first spiral scraper; 8. water outlet; 9. scraper. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 The utility model provides a technical solution: a phosphorus removal device for wastewater, comprising a stirring tank 1, a clean water tank 2 and a connecting channel 3 between the stirring tank 1 and the clean water tank 2, the connecting channel 3 is arranged obliquely, a stirring structure 4 is arranged on the stirring tank 1, the stirring structure 4 is used for quickly mixing the phosphorus removal agent and the wastewater, a first filter screen 5 is arranged on the inner wall of the stirring tank 1 and at the water inlet end of the connecting channel 3, for filtering the wastewater entering the clean water tank 2, a first cleaning structure 6 is arranged on the side wall of the stirring tank 1 away from the connecting channel 3, and a filter screen 6 is arranged on the top of the clean water tank 2. The second cleaning structure 7 connected to the water outlet end of the cleaning tank 2 is provided with a water outlet 8 at the bottom of the cleaning tank 2 for discharging the wastewater qualified for phosphorus removal. When in use, after the wastewater is mixed with the phosphorus removal agent in the stirring tank 1 to form a precipitate, a large amount of precipitate is cleaned by the first mud cleaning component 6, and then passes through the first filter screen 5 in turn and enters the cleaning tank 2. The wastewater entering the cleaning tank 2 is cleaned twice by the second cleaning structure 7, so that the precipitate formed after the phosphorus removal agent and the wastewater are automatically cleaned, avoiding the problem of manual cleaning, reducing the labor intensity of workers, and saving time and effort.

[0018] Specifically, the second cleaning structure 7 includes a filter cartridge 7-1 which is arranged on the clean water tank 2 and connected to the connecting channel 3. A first row of waste outlets 7-2 is provided on the side wall of the filter cartridge 7-1 extending out of the clean water tank 2. A first spiral conveying auger 7-3 extending into the filter cartridge 7-1 is provided at the end of the filter cartridge 7-1. A first spiral scraper 7-4 is provided along the side wall of the first spiral conveying auger 7-3. Wastewater containing a small amount of sediment is filtered twice through the filter cartridge 7-1, so that the sediment remains on the inner side of the filter cartridge 7-1. The remaining sediment is discharged from the first row of waste outlets 7-2 by starting the first spiral conveying auger 7-3 and cooperating with the first spiral scraper 7-4, thereby achieving the cleaning of the remaining sediment again.

[0019] Specifically, the first cleaning structure 6 includes a fixed cylinder 6-1 arranged on the side wall of the stirring tank 1 and connected to the bottom of the stirring tank 1, the fixed cylinder 6-1 is arranged higher than the stirring tank 1, the top of the fixed cylinder 6-1 is provided with a second spiral conveying auger 6-2 extending into the fixed cylinder 6-1, and a second spiral scraper 6-3 is provided along the side wall of the second spiral conveying auger 6-2. By providing the second spiral scraper 6-3, the second filter screen 6-6 can be cleaned to avoid the second filter screen 6-6 from being blocked during long-term use. A second waste outlet 6-4 is provided at the upper end of the side wall of the fixed cylinder 6-1, and the side wall of the fixed cylinder 6-1 A return water channel 6-5 extending into the mixing tank 1 is provided, and the height of the return water channel 6-5 is lower than the height of the second row of waste outlets 6-4. A second filter screen 6-6 is provided on the inner wall of the fixed cylinder 6-1 and at the water inlet end of the return water channel 6-5. When in use, the sediment is driven to rise along the fixed cylinder 6-1 by starting the second spiral conveying auger 6-2. When passing through the return water channel 6-5, the wastewater in the fixed cylinder 6-1 that rises together with the sediment returns to the inside of the mixing tank 1 again, and the sediment is discharged from the second row of waste outlets 6-4 as the second spiral conveying auger 6-2 rises, thereby realizing that the first mud cleaning component 6 cleans a large amount of sediment.

[0020] Specifically, the stirring structure 4 includes a driving motor 4-1 arranged on the stirring tank 1, and the driving end of the driving motor 4-1 is provided with a rotating rod 4-2 extending into the stirring tank 1, and a plurality of evenly distributed stirring rods 4-3 are provided on the side wall of the rotating rod 4-2. When in use, the driving motor 4-1 is started to drive the rotating rod 4-2 and the stirring rod 4-3 to rotate, thereby achieving rapid mixing of the dephosphorization agent and the wastewater, thereby ensuring the dephosphorization effect on the wastewater.

[0021] Specifically, a scraper 9 adapted to the first filter screen 5 is provided on the lower stirring rod 4-3. The scraper 9 is provided to clean a large amount of sediment adsorbed on the first filter screen 5, thereby avoiding clogging of the first filter screen 5 during long-term use and ensuring the processing efficiency of the equipment.

[0022] Specifically, the bottom of the stirring pool 1 is inclined, and the bottom of the first cleaning structure 6 is connected to the lower end of the inclined surface of the stirring pool 1. The inclined bottom of the stirring pool 1 facilitates the accumulation of sediment at the connection between the stirring pool 1 and the first cleaning component 6, thereby ensuring the cleaning effect of the first cleaning structure 6 on the sediment in the stirring pool 1.

[0023] Working principle: During use, the utility model first adds wastewater and dephosphorization agent into the stirring tank 1, starts the stirring structure 4 for stirring and mixing, starts the first cleaning structure 6 to clean up a large amount of precipitates produced, and simultaneously starts the second cleaning structure 7. The wastewater flows into the second cleaning structure 7 for secondary cleaning and then enters the clean water tank and is discharged from the water outlet 8, thereby automatically cleaning up the precipitates formed after the dephosphorization agent and wastewater are mixed.

[0024] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A phosphorus removal device for wastewater, comprising a stirring tank (1), a clean water tank (2) and a connecting channel (3) between the stirring tank (1) and the clean water tank (2), characterized in that: The stirring tank (1) is provided with a stirring structure (4), a first filter screen (5) is provided on the inner wall of the stirring tank (1) and located at the water inlet end of the connecting channel (3), a first cleaning structure (6) is provided on the side wall of the stirring tank (1) away from the connecting channel (3), a second cleaning structure (7) is provided above the clear water tank (2) and is connected to the water outlet end of the connecting channel (3), and a water outlet (8) is provided at the bottom of the clear water tank (2); The second cleaning structure (7) comprises a filter cartridge (7-1) arranged on the clean water tank (2) and connected to the connecting channel (3); a first waste outlet (7-2) is provided on the side wall of the filter cartridge (7-1) extending out of the clean water tank (2); a first spiral conveying auger (7-3) extending into the filter cartridge (7-1) is provided at the end of the filter cartridge (7-1); and a first spiral scraper (7-4) is provided along the side wall of the first spiral conveying auger (7-3).

2. A phosphorus removal device for wastewater according to claim 1, characterized in that: The first cleaning structure (6) comprises a fixed cylinder (6-1) arranged on the side wall of the stirring tank (1) and connected to the bottom of the stirring tank (1); a second spiral conveying auger (6-2) extending into the fixed cylinder (6-1) is provided at the top of the fixed cylinder (6-1); a second spiral scraper (6-3) is provided along the side wall of the second spiral conveying auger (6-2); a second waste outlet (6-4) is provided at the upper end of the side wall of the fixed cylinder (6-1); a return water channel (6-5) extending into the stirring tank (1) is provided on the side wall of the fixed cylinder (6-1); and a second filter screen (6-6) is provided on the inner wall of the fixed cylinder (6-1) and located at the water inlet end of the return water channel (6-5).

3. A phosphorus removal device for wastewater according to claim 1, characterized in that: The stirring structure (4) comprises a driving motor (4-1) arranged on the stirring tank (1); a driving end of the driving motor (4-1) is provided with a rotating rod (4-2) extending into the stirring tank (1); and a plurality of evenly distributed stirring rods (4-3) are provided on the side wall of the rotating rod (4-2).

4. A phosphorus removal device for wastewater according to claim 3, characterized in that: A scraper (9) matched with the first filter screen (5) is provided on the stirring rod (4-3) located below.

5. A phosphorus removal device for wastewater according to claim 1, characterized in that: The bottom of the stirring pool (1) is arranged to be inclined, and the bottom of the first cleaning structure (6) is connected to the lower end of the inclined surface of the stirring pool (1).

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