CN215742992U

CN215742992U - Sewage treatment dosing device

Info

Publication number: CN215742992U
Application number: CN202121488282.6U
Authority: CN
Inventors: 付春梅; 罗朝群
Original assignee: Fujian Baisijie Environmental Protection Technology Co ltd
Current assignee: Fujian Baisijie Environmental Protection Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-02-08
Anticipated expiration: 2031-06-30

Abstract

The utility model is suitable for the technical field of sewage treatment, and provides a dosing device for sewage treatment, which is characterized in that: the lower end of the stirring kettle is connected with a support leg, a water outlet is formed at the bottom of the stirring kettle, a cover plate is installed at the upper end of the stirring kettle through a sealing gasket, a speed reducer is installed at the upper end of the cover plate, a high-speed shaft of the speed reducer is connected with a motor output shaft, a low-speed shaft of the speed reducer is connected with a rotating shaft, a sewage water inlet is formed on the cover plate, a medicine feeding port is formed on the cover plate, a stirring impeller is installed at the lower end of the rotating shaft, one end, far away from the stirring kettle, of the water outlet is connected with a valve, a motor is electrically connected with an external controller, the cover plate is connected with the stirring kettle through a bolt, a liquid level meter is installed on the cover plate through a flange, and the liquid level meter is electrically connected with the external controller, so that the beneficial technical effects of the liquid level meter and the external controller are as follows: through the mutual cooperation of each mechanism, the problem that the sewage and treatment medicines need to be fully mixed during sewage treatment so as to reach the external discharge standard is solved.

Description

Sewage treatment dosing device

Technical Field

The utility model belongs to the technical field of sewage treatment, and particularly relates to a dosing device for sewage treatment.

Background

Sewage treatment: the sewage is purified to reach the water quality requirement of being discharged into a certain water body or being reused. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people. The pollution of surface water is obvious, and the pollution of underground water is eye surprise. The water pollution condition is continuously intensified, so that the sewage treatment and regeneration industry is concerned unprecedentedly, the gross profit rate of each region is kept about 70% in recent two years, even some regions exceed 100%, and the industry development potential is very large. The village and town sewage mainly comprises domestic sewage and agricultural wastewater. The domestic sewage has fixed components, mainly contains organic matters such as carbohydrate, protein, amino acid, fat and the like, is more suitable for the growth of bacteria, and becomes a place for the survival and propagation of bacteria and viruses; but the domestic sewage generally does not contain toxicity, has certain fertilizer efficiency and can be used for irrigating farmlands. The agricultural wastewater has various components, and different treatment methods are needed for wastewater in villages and towns with different development targets in different seasons, different places and different development targets. In order to reduce the discharge amount and complexity of sewage during sewage treatment, the construction of methane tanks which are being popularized vigorously by China is combined to separate toilet flushing water (black water) from other domestic water (grey water). The grey water is treated by a natural purification system, and the black water and human and animal excreta are treated by an anaerobic methane tank, so that the discharge amount, complexity and treatment cost of sewage can be reduced, and the method has important significance for developing clean new energy in rural areas, protecting human living environment, promoting sustainable development of rural economic society and the like. However, in the sewage treatment, the sewage and treatment medicines need to be fully mixed so as to reach the external discharge standard.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dosing device for sewage treatment, and aims to solve the problem that sewage and treatment medicines need to be fully mixed to reach an external discharge standard in the sewage treatment.

The sewage treatment dosing device is characterized in that the lower end of a stirring kettle is connected with a support leg, a water outlet is formed at the bottom of the stirring kettle, a cover plate is arranged at the upper end of the stirring kettle through a sealing gasket, a speed reducer is arranged at the upper end of the cover plate, the speed reducer is connected with a motor output shaft at a high speed shaft, a rotating shaft is connected with a low speed shaft of the speed reducer, a sewage inlet is formed on the cover plate, a dosing port is formed on the cover plate, a stirring impeller is arranged at the lower end of the rotating shaft, a valve is connected to one end of the water outlet far away from the stirring kettle, the motor is electrically connected with an external controller, a liquid level meter is arranged on the cover plate through a flange and electrically connected with the external controller, the liquid level meter is a magnetic float liquid level meter, a clamp is arranged below a magnetic float of the liquid level meter, and an output terminal of the liquid level meter is electrically connected with the external controller, the anti-wave tube is installed on the outer side of the liquid level meter and comprises a metal ring and a metal tube, and the metal ring is welded to the upper end of the metal tube.

Further: the cover plate is connected with the stirring kettle through a bolt.

Further: two stirring impellers are installed at the lower end of the rotating shaft through a fixing bolt.

Further: the valve is an electromagnetic pneumatic valve and is electrically connected with an external controller.

Further: the cover plate is provided with a viewing port.

The beneficial technical effects related to the implementation of the utility model are as follows: through the mutual cooperation of all mechanisms, the problem that the sewage needs to be fully mixed with treatment medicines to reach the external discharge standard in sewage treatment is solved; because the bottom of the stirring kettle is provided with a water outlet, one end of the water outlet, which is far away from the stirring kettle, is connected with a valve, and the treated sewage can be conveniently discharged by controlling the valve; because the reduction gear is installed to the apron upper end, the reduction gear high-speed shaft is connected the motor output shaft, reduction gear low-speed shaft connection pivot, impeller is installed to the pivot lower extreme, through the motor drives the reduction gear the pivot impeller work, can conveniently quick intensive mixing sewage and treatment medicine for sewage treatment.

Drawings

FIG. 1 is a schematic overall first perspective structural view of the present invention;

FIG. 2 is a schematic view of the internal components of the present invention;

FIG. 3 is a schematic view of the liquid level gauge of the present invention;

FIG. 4 is a schematic view of the wave guard structure of the present invention;

FIG. 5 is an overall second perspective structural view of the present invention;

fig. 6 is a schematic view of the component structure of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It should be noted that, the electromagnetic pneumatic valve and the magnetic float level meter are prior art, and are common knowledge of those skilled in the art, and are not described herein again.

Referring to fig. 1-6, the utility model is a dosing device for sewage treatment, which is characterized in that the lower end of a stirring kettle 1 is connected with a support leg 101, a water outlet 102 is formed at the bottom of the stirring kettle 1, a cover plate 2 is mounted at the upper end of the stirring kettle 1 through a sealing gasket 103, a speed reducer 201 is mounted at the upper end of the cover plate 2, a high-speed shaft of the speed reducer 201 is connected with an output shaft of a motor 202, a low-speed shaft of the speed reducer 201 is connected with a rotating shaft 3, a sewage inlet 203 is formed on the cover plate 2, a dosing port 204 is formed on the cover plate 2, a stirring impeller 4 is mounted at the lower end of the rotating shaft 3, one end of the water outlet 102, which is far away from the stirring kettle 1, is connected with a valve 7, and the motor 202 is electrically connected with an external controller.

The cover plate 2 is connected with the stirring kettle 1 through bolts, and the cover plate 2 is convenient to detach and install, so that the rotating shaft 3 and the stirring impeller 4 are overhauled and maintained.

The cover plate 2 is provided with a liquid level meter 5 through a flange, the liquid level meter 5 is electrically connected with an external controller, and through the feedback control of the liquid level meter 5, the automatic addition of a proper amount of sewage and a proper amount of medicine can be realized.

The liquid level meter 5 is a magnetic float liquid level meter, a hoop 503 is arranged below a magnetic float 502 of the liquid level meter 5, an output terminal 501 of the liquid level meter 5 is electrically connected with an external controller, and the magnetic float liquid level meter is developed according to the buoyancy principle and the magnetic coupling effect. When the liquid level in the stirring kettle 1 rises and falls, the floater in the main conduit of the liquid level meter also rises and falls along with the liquid level meter, and the liquid level meter has the advantages of simple structure, convenience in installation, simplicity and easiness in maintenance, large measuring range and no limitation of the height of a container.

A wave-proof tube 6 is arranged outside the liquid level meter 5;

wave-proof pipe 6 includes becket 601, tubular metal resonator 602, and becket 601 welds in tubular metal resonator 602 upper end, prevents 4 during operations of impeller, and the frequent undulant of liquid level in the stirred tank 1 leads to level gauge 3 to detect numerical value and also frequently undulant, does benefit to and reduces controlgear operating frequency.

Two impeller 4 are installed through fixing bolt to 3 lower extremes of pivot, are convenient for install, dismantle impeller 4 for sewage mixes with the treatment medicine simultaneously.

The valve 7 is an electromagnetic pneumatic valve, the valve 7 is electrically connected with an external controller, the electromagnetic valve is industrial equipment controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, can be controlled by the liquid level meter 3 in a feedback manner, can normally work under vacuum, negative pressure and zero pressure, and generally has the drift diameter not exceeding 25 mm; the device can also act under zero pressure difference, vacuum and high pressure, but has larger power and requires horizontal installation; the upper limit of the fluid pressure range is high, the pneumatic solenoid valve can be installed (required to be customized) at will but the fluid pressure difference condition is required to be met, a closed cavity is arranged in the pneumatic solenoid valve, through holes are formed in different positions, each hole of the pneumatic solenoid valve leads to different air pipes, a valve is arranged in the middle of the cavity, two electromagnets are arranged on two sides of the cavity, and the magnet coil electrifying valve body on which side is attracted.

The cover plate 2 is provided with an observation port 205 which is beneficial to observing the mixing condition of sewage and treatment medicine.

The working principle of the utility model is as follows: an appropriate amount of sewage and an appropriate amount of treatment drugs are respectively added into the stirring kettle 1 from the water inlet 203 and the drug adding port 204, the motor 202 drives the speed reducer 201, the rotating shaft 3 and the stirring impeller 4 to work, so that the sewage and the treatment drugs can be conveniently and fully mixed, the sewage treatment is accelerated, after the treatment is finished, the treated sewage can be conveniently discharged through the control valve 7, and the next sewage treatment can be carried out again.

The beneficial technical effects related to the implementation of the utility model are as follows: through the mutual cooperation of all mechanisms, the problem that the sewage needs to be fully mixed with treatment medicines to reach the external discharge standard in sewage treatment is solved; because the bottom of the stirring kettle 1 is provided with the water outlet 102, one end of the water outlet 102, which is far away from the stirring kettle 1, is connected with the valve 7, and the treated sewage can be conveniently discharged by controlling the valve 7; because the reduction gear 201 is installed to apron 2 upper end, and the output shaft of motor 202 is connected to reduction gear 201 high-speed hub connection, and the pivot 3 is connected to reduction gear 201 low-speed hub connection, and impeller 4 is installed to 3 lower extremes of pivot, drives reduction gear 201, pivot 3, impeller 4 work through motor 202, can conveniently quick intensive mixing sewage and treatment medicine for sewage treatment.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The sewage treatment dosing equipment is characterized in that a support leg (101) is connected with the lower end of a stirring kettle (1), a water outlet (102) is formed at the bottom of the stirring kettle (1), a cover plate (2) is installed at the upper end of the stirring kettle (1) through a sealing gasket (103), a speed reducer (201) is installed at the upper end of the cover plate (2), a high-speed shaft of the speed reducer (201) is connected with an output shaft of a motor (202), a low-speed shaft of the speed reducer (201) is connected with a rotating shaft (3), a sewage water inlet (203) is formed in the cover plate (2), a dosing port (204) is formed in the cover plate (2), a stirring impeller (4) is installed at the lower end of the rotating shaft (3), a valve (7) is connected with one end of the stirring kettle (1) away from the water outlet (102), the motor (202) is electrically connected with an external controller, a liquid level meter (5) is installed on the cover plate (2) through a flange, level gauge (5) are connected with external control ware electricity, level gauge (5) are the magnetism float level gauge, clamp (503) are installed to magnetism float (502) below of level gauge (5), output terminal (501) and the external control ware electricity of level gauge (5) are connected, wave-proof pipe (6) are installed in level gauge (5) outside, wave-proof pipe (6) include becket (601), tubular metal resonator (602), becket (601) weld in tubular metal resonator (602) upper end.

2. The sewage treatment chemical adding equipment according to claim 1, characterized in that: the cover plate (2) is connected with the stirring kettle (1) through bolts.

3. The sewage treatment chemical adding equipment according to claim 1, characterized in that: two stirring impellers (4) are installed at the lower end of the rotating shaft (3) through fixing bolts.

4. The sewage treatment chemical adding equipment according to claim 1, characterized in that: the valve (7) is an electromagnetic pneumatic valve, and the valve (7) is electrically connected with an external controller.

5. The sewage treatment chemical adding equipment according to claim 1, characterized in that: the cover plate (2) is provided with a viewing port (205).