Driving type dosing device for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment equipment, in particular to a driving type dosing device for sewage treatment, which comprises a dosing tank, the convection stirring mechanism comprises a rotating shaft, a first stirring paddle and a second stirring paddle, the rotating shaft is rotationally arranged in the dosing tank, the first stirring paddle and the second stirring paddle are arranged on the rotating shaft at intervals, and the first stirring paddle and the second stirring paddle are distributed in an axial symmetry mode; the electric heating sheet is attached to the inner wall of the dosing tank; the device solves the problem that a traditional chemical adding device cannot well mix chemicals and water.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment equipment technical field, concretely relates to a sewage treatment is with drive formula dosing device. BACKGROUND

[0002] Sewage treatment refers to the process that carries out purification to sewage so that the sewage can reach the water quality requirement of being discharged into a certain water body or reused. A common way for sewage treatment is to pour treatment liquid into a sewage reservoir, and through the reaction between the treatment liquid and the substances in the sewage, the sewage appears flocculation, sedimentation and layering, so as to achieve the purpose of treating the sewage. When adding the medicine into the reservoir, a dosing device needs to be used.

[0003] When the environmental temperature decreases or the stirring is insufficient, the existing dosing device cannot make the medicine fully dissolved in the water, which not only affects the sewage treatment effect and causes the waste of medicine, but also the medicine with low solubility is easy to form a precipitate, especially in the pipeline, pump and valve, long-term accumulation can cause system blockage, increase the maintenance cost and downtime, therefore, it is necessary to develop a dosing device capable of improving the solubility of the medicine. SUMMARY

[0004] The utility model discloses a sewage treatment is with drive formula dosing device, solved the problem that traditional dosing device cannot make the medicine and water mix well.

[0005] The utility model discloses the technical scheme adopted to solve its technical problem is:

[0006] The utility model provides a sewage treatment is with drive formula dosing device, including dosing jar, convection stirring mechanism, the convection stirring mechanism includes the shaft, first stirring paddle and second stirring paddle, the shaft rotation is arranged in the inside of dosing jar, first stirring paddle and second stirring paddle are interval setting on the shaft, and the second stirring paddle of first stirring paddle is axially symmetric distribution, electric heating sheet, electric heating sheet is attached setting in the inner wall of dosing jar.

[0007] Preferably, the top inner wall of the dosing tank is provided with a water sprayer, the water sprayer comprises a water spraying ring, a first spray head and a second spray head, the first spray head and the second spray head are arranged at the lower part of the water spraying ring, the first spray head is arranged obliquely, and the second spray head is arranged vertically.

[0008] Preferably, the upper part of the water spraying ring is provided with a water delivery pipe.

[0009] Preferably, the upper part of the dosing tank is provided with a dosing opening.

[0010] Preferably, the lower part of the dosing tank is provided with a medicine outlet pipe, and the medicine outlet pipe is provided with a pressure pump.

[0011] Preferably, the pressurizing pump is arranged below the dosing tank by a support.

[0012] Preferably, the lower part of the dosing tank is provided with a supporting leg.

[0013] Preferably, the first and second spray heads are arranged in plurality and uniformly distributed in the lower part of the water spraying ring.

[0014] The technical effects of the present application are:

[0015] Compared with the prior art, the driving type dosing device for sewage treatment prevents excessive accumulation of medicaments in local areas, avoids local supersaturation, and reduces crystallization, precipitation or medicament waste, improves the stirring effect of the device, and further improves the solubility of the medicaments; the temperature in the dosing tank is increased by the electric heating sheet, which avoids the problem that the solubility of the medicaments decreases with the decrease of the temperature, and cooperates with the convection stirring mechanism to effectively ensure the solubility of the medicaments, reduce the waste of the medicaments and the precipitation caused by incomplete dissolution of the medicaments; by setting the water sprayer, water can be added to the dosing tank, and the dosing tank can be thoroughly cleaned, avoiding the residue of the liquid medicine and improving the cleaning degree of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The figure is a schematic diagram of the main structure of the present application;

[0017] Fig. 2 The figure is a schematic diagram of the three-dimensional structure of the convection stirring mechanism in the present application;

[0018] Fig. 3 The figure is a schematic diagram of the three-dimensional structure of the water sprayer in the present application.

[0019] Among them:

[0020] 1, dosing tank; 2, dosing port; 3, water sprayer; 4, motor; 5, shaft; 6, first stirring paddle; 7, second stirring paddle; 8, electric heating sheet; 9, medicine outlet pipe; 10, pressurizing pump; 11, support; 12, supporting leg; 31, water spraying ring; 32, first spray head; 33, second spray head; 34, water supply pipe. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the present application.

[0022] Embodiment:

[0023] As Figs. 1-3As shown, the driving type dosing device for sewage treatment provided by the embodiment comprises a dosing tank 1, a dosing opening 2 is formed on the upper side of the dosing tank 1, and supporting legs 12 are arranged on the lower part of the dosing tank 1; a convection stirring mechanism, which comprises a rotating shaft 5, a first stirring paddle 6 and a second stirring paddle 7, the rotating shaft 5 is arranged to rotate in the interior of the dosing tank 1, the first stirring paddle 6 and the second stirring paddle 7 are arranged on the rotating shaft 5 at intervals, and the first stirring paddle 6 and the second stirring paddle 7 are arranged in axial symmetry, the convection stirring can prevent the excessive accumulation of the medicament in the local area, avoid the local supersaturation, and thus reduce the crystallization, precipitation or waste of the medicament, improve the stirring effect of the device, and thus improve the solubility of the medicament; and an electric heating sheet 8, which is arranged to adhere to the inner wall of the dosing tank 1, the temperature in the dosing tank 1 is increased by arranging the electric heating sheet 8, the problem that the solubility of the medicament is reduced due to the reduction of the temperature is avoided, and the solubility of the medicament is effectively ensured in cooperation with the convection stirring mechanism, and the waste of the medicament and the precipitation caused by the incomplete dissolution of the medicament are reduced.

[0024] A water sprayer 3 is arranged on the inner wall of the top surface of the dosing tank 1, the water sprayer 3 is used to add water into the dosing tank 1, and the water sprayer 3 comprises a water spraying ring 31, a first spray head 32 and a second spray head 33, a plurality of the first spray heads 32 and the second spray heads 33 are arranged, and the first spray heads 32 and the second spray heads 33 are uniformly distributed in the lower part of the water spraying ring 31 in the circumferential direction, the first spray heads 32 are arranged to be inclined, and the inclined direction is towards the inner wall of the side of the dosing tank 1, and the second spray heads 33 are arranged vertically, the first spray heads 32 are used to clean the inner wall of the dosing tank 1, and the second spray heads 33 are used to clean the convection stirring mechanism, and the upper part of the water spraying ring 31 is provided with a water delivery pipe 34; by arranging the water sprayer 3, water can be added into the dosing tank 1, and the dosing tank 1 can be comprehensively cleaned, the residue of the medicament is avoided, and the cleaning degree of the device is improved.

[0025] A medicine outlet pipe 9 is arranged on the lower part of the dosing tank 1, a pressure pump 10 is arranged on the medicine outlet pipe 9, and the pressure pump 10 is arranged below the dosing tank 1 by a support 11.

[0026] Working principle

[0027] When the dosing operation of the sewage treatment is performed, the medicament is input into the dosing tank 1 through the dosing opening 2, then water is supplied into the water delivery pipe 34, the water is sprayed out from the first spray heads 32 and the second spray heads 33, the water adding in the interior of the dosing tank 1 is completed, then the electric heating sheet 8 is started to increase the temperature in the dosing tank 1, the motor 4 drives the rotating shaft 5 to rotate, under the convection stirring of the first stirring paddle 6 and the second stirring paddle 7, the medicament is fully mixed with the water to form the medicament solution, finally the pressure pump 10 is started, under the pressure effect of the pressure pump 10, the medicament solution is output from the medicine outlet pipe 9 into the sewage treatment tank to complete the dosing operation.

[0028] The technical scheme of the utility model, or the technical scheme inspired by the technical scheme of the utility model, designs similar technical scheme, and achieves the above technical effect, and all falls into the protection range of the utility model.

Claims

1. A driven dosing device for wastewater treatment, characterized in that, include: Dosing tank; A convection stirring mechanism, comprising a rotating shaft, a first stirring blade, and a second stirring blade, wherein the rotating shaft is rotatably disposed inside the dosing tank, and the first and second stirring blades are spaced apart on the rotating shaft, with the first and second stirring blades being axially symmetrically distributed. An electric heating element is attached to the inner wall of the dosing tank.

2. The driven dosing device for wastewater treatment according to claim 1, characterized in that: The inner wall of the top surface of the dosing tank is equipped with a water sprayer, which includes a water spray ring, a first nozzle and a second nozzle. The first nozzle and the second nozzle are both located at the lower part of the water spray ring. The first nozzle is inclined and the second nozzle is vertical.

3. The driven dosing device for wastewater treatment according to claim 2, characterized in that: The upper part of the water spray ring is equipped with a water supply pipe.

4. The driven dosing device for wastewater treatment according to claim 1, characterized in that: The upper side of the dosing tank has a dosing port.

5. The driven dosing device for wastewater treatment according to claim 1, characterized in that: The lower part of the dosing tank is equipped with a dosing pipe, and a pressure pump is installed on the dosing pipe.

6. A driven dosing device for wastewater treatment according to claim 5, characterized in that: The pressure pump is mounted below the dosing tank via a bracket.

7. A driven dosing device for wastewater treatment according to claim 1, characterized in that: The lower part of the dosing tank is equipped with support legs.

8. A driven dosing device for wastewater treatment according to claim 2, characterized in that: Several of the first and second nozzles are provided, and they are evenly distributed circumferentially at the lower part of the water spray ring.

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