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Upward and downward double circulation stirring dispensing system

A dispensing system and circulation stirring technology, which is applied in the direction of mixer accessories, dissolving, mixing machines, etc., can solve the problems of difficult maintenance, high technical level requirements of maintenance workers, complex mechanical stirring structure, etc., and achieve the effect of saving equipment investment

Inactive Publication Date: 2012-12-05
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The mechanical stirring driven by motor stirring has complex structure, high manufacturing precision requirements, high cost, difficult maintenance, high technical level requirements for maintenance workers, long stirring time, large energy consumption, and high equipment idle rate
[0006] Application number: 200910039415.9 Chinese patent application for automatic dosing jet mixing and pump stirring sewage treatment system discloses a dispensing device using a pump as a stirring power, but the device has a defect: the dispensing water comes from a sewage pool, and the sewage will make the prepared The drug solution produces flocculation and precipitation, which reduces the efficacy of the drug, and the flocculated and precipitated matter is transported by the pump, and the flocculated dirt is re-stirred to lose the effect of flocculation

Method used

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  • Upward and downward double circulation stirring dispensing system
  • Upward and downward double circulation stirring dispensing system
  • Upward and downward double circulation stirring dispensing system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] The upper and lower double circulation stirring dispensing process includes the following steps:

[0051] A, weigh a certain amount of coagulant as required;

[0052] B. When tap water is added to the dispensing tank 22, the coagulant required for sewage treatment is added, and the water is added to the liquid level sensor 1, and the water addition is stopped;

[0053] C. Close the solenoid valve B10, open the solenoid valve A8, close the solenoid valve C13, open the centrifugal pump 15, open the solenoid valve D17, and the supernatant in the dispensing tank 22 is stirred into the pump pipe 7, the pump inlet pipe 14, and the centrifugal pump through circulation 15. The stirring tube 18 and the stirring nozzle 21 enter the dispensing tank 22, because the angle between the inlet pipe 33 of the stirring nozzle and the center line of the outlet pipe of the stirring nozzle 34 is 60°. The coagulant is stirred, and at the same time, it circulates and stirs the liquid in the s...

Embodiment 2

[0059] The upper and lower double circulation stirring dispensing process includes the following steps:

[0060] A, weigh a certain amount of coagulant as required;

[0061] B. When tap water is added to the dispensing tank 22, the coagulant required for sewage treatment is added, and the water is added to the liquid level sensor 1, and the water addition is stopped;

[0062] C. Close the solenoid valve B10, open the solenoid valve A8, close the solenoid valve C13, open the centrifugal pump 15, open the solenoid valve D17, and the supernatant in the dispensing tank 22 is stirred into the pump pipe 7, the pump inlet pipe 14, and the centrifugal pump through circulation 15. The stirring tube 18 and the stirring nozzle 21 enter the dispensing tank 22, because the angle between the inlet pipe 33 of the stirring nozzle and the center line of the outlet pipe of the stirring nozzle 34 is 60°. The coagulant is stirred, and at the same time, it circulates and stirs the liquid in the s...

Embodiment 3

[0068] The upper and lower double circulation stirring dispensing process includes the following steps:

[0069] A, weigh a certain amount of coagulant as required;

[0070] B. When tap water is added to the dispensing tank 22, the coagulant required for sewage treatment is added, and the water is added to the liquid level sensor 1, and the water addition is stopped;

[0071] C. Close the solenoid valve B10, open the solenoid valve A8, close the solenoid valve C13, open the centrifugal pump 15, open the solenoid valve D17, and the supernatant in the dispensing tank 22 is stirred into the pump pipe 7, the pump inlet pipe 14, and the centrifugal pump through circulation 15. Stirring pipe 18 and stirring nozzle 21 enter into the dispensing tank 22, because the angle between the inlet pipe 33 of the stirring nozzle and the center line of the outlet pipe of the stirring nozzle 34 is 60°, the liquid enters the dispensing tank 22 and pushes the liquid in the tank to rotate to treat t...

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Abstract

The invention relates to the technical field of stirring dispensing in sewage treatment equipment. An upward and downward double circulation stirring dispensing system mainly comprises a dispensing tank, a liquid medicament storing box, a circular stirring pump feed pipe, electromagnetic valves A, B and C, a liquid medicament storing box discharge pipe, a liquid medicament conveying pipe, a rotor flow meter, a centrifugal pump and a stirring nozzle, and is characterized in that: the circular stirring pump feed pipe is connected to one side of the bottom of the dispensing tank; the liquid medicament storing box discharge pipe and the centrifugal pump are connected to one end of the circular stirring pump inlet pipe; the upper end of the circular stirring pump inlet pipe has a horizontal circular-arc structure; the pipe orifice of the circular stirring pump inlet pipe is positioned at a position which is two thirds of the total height of the dispensing tank; the discharge pipe is connected to one side of the bottom of the dispensing tank, and is connected with the liquid medicament storing box; a pump outlet pipe is connected with the liquid medicament conveying pipe and a stirring pipe respectively; the stirring pipe is connected with the stirring nozzle; the electromagnetic valve D is arranged on the stirring pipe; a liquid level sensor is arranged on the upper side part of the dispensing tank; an emptying pipe is connected to the center of the bottom of the dispensing tank; and the liquid medicament storing box is connected with the liquid medicament storing box discharge pipe. The upward and downward double circulation stirring dispensing system has the characteristics of dual functions of a single pump, saving in investment of the pump and mechanical stirring equipment, convenience in maintaining and easiness in operating.

Description

technical field [0001] The upper and lower double circulation stirring dispensing system of the present invention relates to the technical field of pump stirring and dispensing in sewage treatment equipment. Background technique [0002] The mixing and dispensing method of the agitator driven by the variable speed of the motor that is generally sold on the market and is being used in general sewage stations. [0003] The mixing form is mainly composed of a stirring motor, a high transmission ratio reducer, a mixing blade, a dispensing tank, a support stand, etc. The high transmission ratio reducer generally adopts a cycloidal pinwheel reducer, which has a complex structure and high manufacturing precision requirements , high cost, difficult maintenance, and high technical requirements for maintenance workers. Generally, when this kind of reducer fails, it will be replaced with a new one, resulting in high maintenance and repair costs. [0004] The dispensing process of sewa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F5/10B01F15/02C02F1/52
Inventor 马晶高红鹰于明
Owner UNIV OF JINAN
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