Efficient dosing structure for sewage treatment

Abstract

The utility model discloses an efficient dosing structure for sewage treatment, which comprises a medicine mixing tank, a premixing tank is fixedly mounted at the top end of the medicine mixing tank, a transverse filter plate is fixedly mounted in the premixing tank, a plurality of spraying holes distributed in an array are formed in the bottom end of the premixing tank, and the spraying holes are communicated with the inside of the medicine mixing tank. A motor is fixedly installed at the top end of the premixing box, the output end of the motor is in driving connection with a rotating shaft, the rotating shaft extends into the premixing box from the top end of the premixing box, the bottom end of the rotating shaft extends into the medicine mixing tank, a stirring rod is fixedly installed on the rotating shaft, the stirring rod is located in the premixing box and located above the filter plate, and spiral stirring blades are fixedly installed on the rotating shaft. The spiral stirring blades are located in the medicine mixing tank, one side of the premixing box is communicated with a water inlet pipe, the other end of the premixing box is communicated with a medicine adding pipe, a medicine adding pump is fixed to a pipeline of the medicine adding pipe, a liquid outlet communicated with the interior of the medicine mixing tank is formed in one side of the bottom end of the medicine mixing tank, and a valve is fixed to the liquid outlet. The chemical feeding and mixing device can realize efficient chemical feeding and mixing.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a high-efficiency drug adding structure for sewage treatment. Background Art

[0002] Sewage treatment is the process of purifying sewage to meet the water quality requirements for discharge into a certain water body or reuse. Flocculants need to be added to the sewage treatment structure where the sewage flows from some channels to the sedimentation tank to improve the treatment efficiency and effect. The dosing device installed at the end of the flow channel can improve the static flocculation effect of the sewage in the sedimentation tank.

[0003] At present, when adding chemicals to sewage treatment, the flocculant is directly added into the sewage treatment tank. This treatment will prolong the stirring time inside the sewage treatment tank and reduce the efficiency of adding chemicals. Utility Model Content

[0004] The purpose of this application is to provide an efficient dosing structure for sewage treatment to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an efficient dosing structure for sewage treatment, comprising a mixing tank, a premixing box is fixedly installed on the top of the mixing tank, a horizontal filter plate is fixedly installed inside the premixing box, a plurality of spray holes distributed in an array are arranged at the bottom of the premixing box, and the spray holes are connected to the interior of the mixing tank, a motor is fixedly installed on the top of the premixing box, and a rotating shaft is connected to the output end of the motor, the rotating shaft extends from the top of the premixing box into the interior thereof and its bottom extends to the interior of the mixing tank, a stirring rod is fixedly installed on the rotating shaft, the stirring rod is located inside the premixing box and above the filter plate, a spiral stirring blade is fixedly installed on the rotating shaft, and the spiral stirring blade is located in the mixing tank, one side of the premixing box is connected to a water inlet pipe, the other end of the premixing box is connected to a dosing pipe, a dosing pump is fixedly installed on the pipeline of the dosing pipe, and a liquid outlet connected to the interior of the mixing tank is arranged on one side of the bottom end, and a valve is fixedly installed on the liquid outlet.

[0006] Preferably, valves are fixedly installed on the water inlet pipe and the drug adding pipe.

[0007] Preferably, a heating belt is fixedly installed on the inner wall of the medicine mixing tank, and an electric heating tube electrically connected to an external power supply is fixedly installed inside the heating belt.

[0008] Preferably, a booster blade is fixedly mounted on the rotating shaft, the booster blade is located inside the premixing box and above the stirring rod, and the booster blade is in an eight-shaped shape facing downward.

[0009] Preferably, a plurality of evenly distributed bristles are fixedly mounted on the bottom end of the stirring rod along its length direction, and the bottom ends of the bristles are in contact with the top end of the filter plate.

[0010] Preferably, a liquid level radar is fixedly installed on the top of the medicine mixing tank, and the liquid level radar monitors the liquid level inside the medicine mixing tank.

[0011] In summary, the technical effects and advantages of the utility model are:

[0012] In the utility model, the motor drives the rotating shaft to rotate, thereby driving the stirring rod, the booster blades and the spiral stirring blades to rotate. The stirring rod and the booster blades mix the sewage and the medicine powder injected above the filter plate. The large-particle medicine powder is intercepted on the filter plate. Only after being fully mixed and turned into small-particle medicine powder can it follow the sewage into the pores of the filter plate and enter the medicine mixing tank to be re-mixed by the spiral stirring blades. The booster blades boost the sewage that generates the vortex and inject it into the medicine mixing tank from the spray hole for mixing. The dispersion effect is good, the mixing efficiency is good, and the efficiency of the medicine mixing is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 This is a schematic diagram of an efficient dosing structure for sewage treatment in an embodiment of the present application;

[0015] Figure 2 This is a schematic cross-sectional view of a high-efficiency dosing structure for sewage treatment in an embodiment of the present application.

[0016] In the figure: 1. Mixing tank; 2. Premixing box; 3. Filter plate; 4. Spray hole; 5. Water inlet pipe; 6. Dosing pipe; 7. Dosing pump; 8. Motor; 9. Rotating shaft; 10. Spiral stirring blade; 11. Stirring rod; 12. Brush; 13. Booster fan blade; 14. Heating belt; 15. Electric heating tube; 16. Liquid level radar; 17. Liquid outlet; 18. Valve. DETAILED DESCRIPTION

[0017] 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.

[0018] In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] It should also be noted that the standard parts used in this application document can be purchased from the market, and can be customized according to the description in the specification and drawings. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 it can be indirectly connected through an intermediate medium, and it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this disclosure can be understood according to the specific circumstances, and in the absence of clear limitations, machines, parts and equipment can all adopt conventional models in the prior art.

[0020] In this article, the term "comprising" is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "comprising..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0021] Example: Reference Figure 1-2The high-efficiency dosing structure for sewage treatment shown in the figure comprises a medicine mixing tank 1, a premixing box 2 is fixedly installed on the top of the medicine mixing tank 1, a horizontal filter plate 3 is fixedly installed inside the premixing box 2, a plurality of spray holes 4 distributed in an array are arranged at the bottom end of the premixing box 2, and the spray holes 4 are connected to the inside of the medicine mixing tank 1, a motor 8 is fixedly installed on the top of the premixing box 2, and a rotating shaft 9 is connected to the output end of the motor 8, and the rotating shaft 9 extends from the top of the premixing box 2 into the inside thereof and its bottom extends to the inside of the medicine mixing tank 1, a stirring rod 11 is fixedly installed on the rotating shaft 9, and the stirring rod 11 is located inside the premixing box 2 and above the filter plate 3, a spiral stirring blade 10 is fixedly installed on the rotating shaft 9, and the spiral stirring blade 10 is located in the medicine mixing tank 1, one side of the premixing box 2 is connected to a water inlet pipe 5, and sewage after large particles are filtered enters from the water inlet pipe, and the other end of the premixing box 2 is connected to A dosing pipe 6 is provided, and a dosing pump 7 is fixedly installed on the pipeline of the dosing pipe 6. A liquid outlet 17 communicating with the interior of the medicine mixing tank 1 is provided on one side of the bottom end thereof, and a valve is fixedly installed on the liquid outlet 17. A booster blade 13 is fixedly installed on the rotating shaft 9, and the booster blade 13 is located inside the premixing box 2 and above the stirring rod 11. The booster blade 13 is in an eight-shaped shape facing downward, and the rotating shaft is driven to rotate by a motor to drive the stirring rod, the booster blade and the spiral stirring blade to rotate. The stirring rod and the booster blade mix the sewage and the powder injected above the filter plate, and the large-particle powder is intercepted on the filter plate. Only when the powder is fully mixed and becomes small-particle powder can it follow the sewage through the pores of the filter plate into the medicine mixing tank and be mixed again by the spiral stirring blade. The booster blade pressurizes the sewage generating the vortex from the spray hole and injects it into the medicine mixing tank for mixing, which has good dispersion effect and mixing efficiency, thereby improving the efficiency of medicine mixing.

[0022] By means of the above structure: valves 18 are fixedly installed on the water inlet pipe 5 and the dosing pipe 6 .

[0023] By means of the above structure: a heating belt 14 is fixedly installed on the inner wall of the medicine mixing tank 1, and an electric heating tube 15 electrically connected to an external power source is fixedly installed inside the heating belt 14 to heat the internal sewage and improve the flocculation efficiency of the medicine.

[0024] By means of the above structure: a plurality of evenly distributed bristles 12 are fixedly installed on the bottom end of the stirring rod 11 along its length direction, and the bottom end of the bristles 12 contacts the top end of the filter plate 3, and the granular medicine deposited on the surface of the filter plate is cleared out by the bristles, so as to facilitate filtration of the filter plate while ensuring that the medicine is fully mixed with the sewage.

[0025] With the above structure, a liquid level radar 16 is fixedly installed on the top of the medicine mixing tank 1, and the liquid level radar 16 monitors the liquid level inside the medicine mixing tank.

[0026] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An efficient dosing structure for sewage treatment, comprising a drug mixing tank, characterized in that: A premixing box is fixedly installed on the top of the mixing tank, a horizontal filter plate is fixedly installed inside the premixing box, a plurality of spray holes distributed in an array are provided at the bottom end of the premixing box, and the spray holes are connected with the interior of the mixing tank, a motor is fixedly installed on the top of the premixing box, and a rotating shaft is driven and connected at the output end of the motor, the rotating shaft extends from the top of the premixing box into the interior thereof and its bottom end extends to the interior of the mixing tank, a stirring rod is fixedly installed on the rotating shaft, the stirring rod is located inside the premixing box and above the filter plate, a spiral stirring blade is fixedly installed on the rotating shaft, and the spiral stirring blade is located in the mixing tank, a water inlet pipe is connected to one side of the premixing box, a dosing pipe is connected to the other end of the premixing box, a dosing pump is fixedly installed on the pipeline of the dosing pipe, a liquid outlet connected to the interior of the mixing tank is provided on one side of the bottom end thereof, and a valve is fixedly installed on the liquid outlet.

2. The high-efficiency dosing structure for sewage treatment according to claim 1 is characterized by: Valves are fixedly installed on the water inlet pipe and the drug adding pipe.

3. The efficient dosing structure for sewage treatment according to claim 1 is characterized by: A heating belt is fixedly installed on the inner wall of the medicine mixing tank, and an electric heating pipe electrically connected to an external power supply is fixedly installed inside the heating belt.

4. The high-efficiency dosing structure for sewage treatment according to claim 1 is characterized by: A booster blade is fixedly mounted on the rotating shaft. The booster blade is located inside the premixing box and above the stirring rod. The booster blade is in an eight-shaped shape and faces downward.

5. The efficient dosing structure for sewage treatment according to claim 1 is characterized by: A plurality of evenly distributed bristles are fixedly mounted on the bottom end of the stirring rod along the length direction thereof, and the bottom ends of the bristles are in contact with the top end of the filter plate.

6. The high-efficiency dosing structure for sewage treatment according to claim 1 is characterized by: A liquid level radar is fixedly installed on the top of the medicine mixing tank, and the liquid level radar monitors the liquid level inside the medicine mixing tank.

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