CN217265155U - An air flotation machine for waste water treatment of down production - Google Patents

Abstract

The utility model belongs to the technical field of waste water treatment equipment, in particular to an air floatation machine for treating down feather production wastewater, which is characterized in that a stirring cavity is arranged in a treatment box, the wastewater is fully mixed with a flocculating agent through a stirring shaft, down feather impurity flocculation is promoted, more bubbles are adhered to the surface of flocculating impurity, the floatation of flocculating impurity is promoted, and a guide plate is arranged on the right side of an air floatation pipe, so that the bubbles are prevented from overflowing, the wastewater is prevented from rapidly flowing out of the air floatation pipe range, the bubbles on the surface of flocculating impurity are too few, the floatation is not facilitated, the bubble adhesion rate is increased, and the impurities are ensured to float up completely; still feed through the air pump on adsorbing the chamber roof, through adsorbing the chamber, collect the intracavity water injection, will adsorb the chamber and arrange sealed environment in, then get rid of the air that adsorbs the intracavity through the air pump, reduce and adsorb chamber top atmospheric pressure, promote the bubble come-up.

Description

An air flotation machine for waste water treatment of down production

technical field

The utility model belongs to the technical field of waste water treatment equipment, in particular to an air flotation machine for waste water treatment in down production.

Background technique

There will be a lot of waste water in the production process of down. In order to improve the utilization rate of water and meet the requirements of environmental protection discharge, sewage needs to be treated. The water pollution treatment equipment mainly includes centrifuges, aerators, sludge dewatering machines and air flotation. Among them, the air flotation machine is a dissolved air system that generates a large number of fine air bubbles in the water, so that the air adheres to the suspended particles in the form of highly dispersed fine air bubbles, resulting in a state where the density is lower than that of water, and uses the principle of buoyancy to make it float on the water. , so as to realize the water treatment equipment of solid-liquid separation.

The working principle of the air flotation machine is to adsorb the impurities in the sewage to the surface of the bubbles through tiny air bubbles, and use the buoyancy of the bubbles to discharge the impurities from the outside of the air flotation box. Thoroughly, the impurities cannot be completely floated, and it is easy to form sediments. At the same time, the collection of floating impurities is more troublesome, and the down feathers are slender and the surface is not easy to adhere to air bubbles.

The utility model provides an air flotation machine for the treatment of waste water from down production, which can effectively solve the above problems.

Utility model content

In view of the deficiencies in the prior art, the purpose of the present invention is to provide an air flotation machine for the treatment of waste water from down production, which solves the above-mentioned background technical problems.

Specific technical solutions:

An air flotation machine for the treatment of waste water from down production is characterized in that it includes a treatment box and a feeding pipe is arranged at the upper left end of the treatment box. The stirring chamber is provided with a stirring device and the bottom end of the stirring chamber is connected with a water pump, the water pump is connected with a water pipe, and the other end of the water pipe is connected with the lower left end of the adsorption chamber, and a number of air floats are arranged horizontally spaced below the water pipe in the adsorption chamber. There are several air holes on the surface of all the air flotation pipes, all the air flotation pipes are connected with an aeration device, the upper right end of the adsorption chamber is connected with the collection chamber, and the upper end of the adsorption chamber is provided with a conveyor belt, and the left end of the conveyor belt is close to the adsorption chamber. The left side wall and the right end of the cavity extend into the collection cavity, a plurality of dials are evenly distributed on the surface of the conveyor belt, and an air pump is connected to the upper end of the adsorption cavity;

Water is stored in the adsorption cavity and the collection cavity, the water level in the adsorption cavity is close to the connection part between the adsorption cavity and the collection cavity, and the water level in the collection cavity is higher than the connection part between the collection tank and the transfer tank.

Preferably, the collection cavity is divided into a collection groove and a transfer groove, and the collection groove communicates with the bottom end of the transfer groove. The dragon and the auger are driven by a first motor fixedly installed on the top wall of the processing box, and the upper end of the right side wall of the processing box is provided with a discharge port.

Preferably, a guide plate is fixedly installed on the bottom wall of the adsorption chamber on the right side of all the air flotation tubes.

Preferably, the treatment tank is provided with two storage tanks above the stirring chamber, and the two storage tanks store the flocculant and the coagulant aid respectively, and the two storage tanks are both communicated with the stirring chamber.

Preferably, the stirring device includes a stirring shaft rotatably installed in the stirring chamber, and several stirring rods are evenly distributed on the stirring shaft, and the stirring shaft is driven by a second motor fixedly installed on the top wall of the processing box.

Preferably, the bottom wall of the stirring chamber is an inverted cone, and the lowest end of the bottom wall of the stirring chamber is communicated with the water pump.

Preferably, a brush is fixedly installed on the top wall of the collection chamber, and the brush is attached to the surface of the conveyor belt.

Beneficial effects of the utility model: The utility model is provided with a stirring chamber in the treatment box, and the waste water and the flocculant are fully mixed through the stirring shaft to promote the flocculation of down impurities, so that more bubbles stick to the surface of the flocculated impurities, Promote the floating of flocculation impurities, and there is a deflector on the right side of the air flotation tube, which not only avoids bubble overflow, but also avoids the rapid flow of waste water out of the air flotation tube, resulting in too few bubbles on the surface of flocculation impurities, which is not conducive to floating, thus increasing the number of flocculation impurities. The viscosity of the bubbles ensures that the impurities are completely floated;

An air pump is also connected to the top wall of the adsorption chamber. By injecting water into the adsorption chamber and the collection chamber, the adsorption chamber is placed in a sealed environment, and then the air in the adsorption chamber is exhausted through the air pump to reduce the air pressure above the adsorption chamber and promote the floating of air bubbles.

Description of drawings

Fig. 1 is a front view full cross-sectional schematic diagram of the present invention.

FIG. 2 is a schematic diagram of the connection between the air flotation pipe 10 of the present invention and the aeration equipment.

In the figure, processing box 1, stirring chamber 2, adsorption chamber 3, collection chamber 4, feeding pipe 5, stirring shaft 6, storage tank 7, water pump 8, water pipe 9, air flotation pipe 10, deflector 11, conveyor belt 12 , Dial plate 13, air pump 14, brush 15, collecting tank 16, conveying tank 17, auger 18, outlet 19.

Detailed ways

The foregoing and technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the embodiments with reference to FIGS. 1 to 2 . The structural contents mentioned in the following remarks of the embodiments are all based on the accompanying drawings of the description.

The specific embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings.

In order to solve the problems existing in the prior art, the present embodiment provides an air flotation machine for the treatment of waste water from down production, including a treatment box 1, and the treatment box 1 is, from left to right, a stirring chamber 2, an adsorption chamber 3, and a collection chamber. 4. The upper right end of the adsorption chamber 3 is communicated with the collection chamber 4. The adsorption chamber 3 stores water. The water level in the adsorption chamber 3 is close to the connecting part between the adsorption chamber 3 and the collection chamber 4. There is a stirring device in the cavity 2, and the stirring device includes a stirring shaft 6 that is rotatably installed in the stirring cavity 2. A number of stirring rods are evenly distributed on the stirring shaft 6. Driven by the motor, the bottom wall of the stirring chamber 2 is an inverted cone and the lowest end of the bottom wall of the stirring chamber 2 is connected with a water pump 8, and the water pump 8 is connected with a water pipe 9. The other end of the water pipe 9 is connected with the lower left end of the adsorption chamber 3, and the processing box 1 is located in the stirring chamber There are two storage tanks 7 above the cavity 2. The flocculant and the coagulation aid are stored in the two storage tanks 7 respectively. The ends of the pipes are fixedly installed with nozzles, and in the adsorption chamber 3, a number of air flotation pipes 10 are arranged at horizontal intervals below the water pipe 9, and a number of air holes are provided on the surface of all the air flotation pipes 10. 1. The aeration device on the outside. The aeration device belongs to the prior art and is used to manufacture tiny air bubbles. The bottom wall of the adsorption chamber 3 is located on the right side of all the air flotation tubes 10. 3. The upper right end is communicated with the collection chamber 4, the upper end of the adsorption chamber 3 is provided with a conveyor belt 12, the surface of the conveyor belt 12 is evenly distributed with a number of dials 13, the left end of the conveyor belt 12 is close to the left side wall of the adsorption chamber 3, and the right end extends into the collection chamber 4 to ensure that the dial It can cross the water surface of the adsorption chamber 3, the top wall of the collection chamber 4 is fixedly installed with a brush 15, the brush 15 is attached to the surface of the conveyor belt 12, the top wall of the adsorption chamber 3 is connected with an air pump 14, and the collection chamber 4 is divided into a collection tank 16 and a The transfer tank 17, the collection tank 16 is connected with the bottom end of the transfer tank 17, the upper left end of the collection tank 16 is connected with the adsorption chamber 3, the collection chamber 4 stores water, and the water level in the collection chamber 4 is higher than the collection tank 16 and the transfer tank 17 In the connecting part, the bottom wall of the collecting tank 16 is inclined, and the conveying tank 17 is provided with an auger 18. The auger 18 is driven by a first motor fixedly installed on the top wall of the processing box 1. The upper end of the right side wall of the processing box 1 is provided with an outlet. Feed port 19.

In this embodiment, the water pump 8 , the air pump 14 , the first motor, the second motor, and the aeration device are all connected to an external power source and are connected to an electric control cabinet.

The specific use process of this embodiment:

The waste water is transported into the stirring chamber 2 through the feeding pipe 5, and at the same time, the flocculant and coagulant aid are sprayed into the stirring chamber 2 through the nozzle, and the second motor is started to drive the stirring shaft 6 to rotate, so that the chemical and the waste water are evenly mixed, so that the waste water is The down and other impurities flocculated, and then transported into the adsorption chamber 3 by the water pump 8, and the wastewater entering the adsorption chamber 3 flows in the tiny bubble group produced by the aeration device. Under the action of the deflector 11, the air bubbles are prevented from overflowing to the right from the discharge port 19 of the air flotation tube 10, and the waste water is blocked at the same time, so as to prevent the waste water from rapidly flowing through the air flotation tube 10 and affecting the sticky bubbles on the surface of the flocculent impurities. , and the gas in the adsorption chamber 3 is transported to the outside through the air pump 14, so that the air pressure above the adsorption chamber 3 is lower than the external air pressure, which promotes the flocculation to float, and the flocculent impurities floating on the water surface are removed by the dial plate 13 on the conveyor belt 12. Move to the direction of the collection tank 16, and transfer the impurities from the connection between the adsorption chamber 3 and the collection chamber 4 into the collection tank 16, and the flocculated impurities entering the collection tank 16 gradually fall to the connection between the collection tank 16 and the transfer tank 17. , and then conveyed by the auger 18, and then discharged from the discharge port 19 to the outside world.

After the dial plate 13 dials the flocculated impurities into the collection tank 16 , it contacts with the brush 15 and is scraped off by the brush 15 , so as to ensure that all the flocculated impurities enter the collection tank 16 .

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention are included in the present invention. within the scope of protection of the utility model.

Claims (7)

1. An air floatation machine for treating waste water generated in down feather production is characterized by comprising a treatment box, wherein the left upper end of the treatment box is provided with an inlet pipe, the treatment box is internally provided with a stirring cavity, an adsorption cavity and a collection cavity from left to right, a stirring device is arranged in the stirring cavity, the bottom end of the stirring cavity is communicated with a water pump, the water pump is communicated with a water pipe, the other end of the water pipe is communicated with the left lower end of the adsorption cavity, a plurality of air floatation pipes are transversely arranged below the water pipe in the adsorption cavity at intervals, the surfaces of all the air floatation pipes are provided with a plurality of air holes, all the air floatation pipes are communicated with an aeration device, the right upper end of the adsorption cavity is communicated with the collection cavity, the upper end of the adsorption cavity is provided with a conveyor belt, the left end of the conveyor belt is close to the left side wall of the adsorption cavity, the right end of the conveyor belt extends into the collection cavity, the surfaces of the conveyor belt are uniformly provided with a plurality of stirring plates, and the upper end of the adsorption cavity is communicated with an air pump;

the adsorption cavity and the collection cavity are filled with water, the water level in the adsorption cavity is close to the communication part of the adsorption cavity and the collection cavity, and the water level in the collection cavity is higher than the communication part of the collection groove and the conveying groove.

2. The air floatation machine for treating the down feather production wastewater as claimed in claim 1, wherein the collection chamber is divided into a collection tank and a conveying tank, the collection tank is communicated with the bottom end of the conveying tank, the left upper end of the collection tank is communicated with the adsorption chamber, the bottom wall of the collection tank is obliquely arranged, an auger is arranged in the conveying tank and driven by a first motor fixedly installed on the top wall of the treatment tank, and the upper end of the right side wall of the treatment tank is provided with a discharge port.

3. The air floatation machine for treating the down feather production wastewater as claimed in claim 1, wherein a flow guide plate is fixedly installed on the bottom wall of the adsorption cavity at the right side of all the air floatation tubes.

4. The air floatation machine for treating the down feather production wastewater as claimed in claim 1, wherein the treatment tank is provided with two storage tanks above the stirring chamber, the two storage tanks respectively store the flocculating agent and the coagulant aid, and both the storage tanks are communicated with the stirring chamber.

5. The air floatation machine for treating the down feather production wastewater as claimed in claim 1, wherein the stirring device comprises a stirring shaft rotatably installed in the stirring cavity, a plurality of stirring rods are uniformly distributed on the stirring shaft, and the stirring shaft is driven by a second motor fixedly installed on the top wall of the treatment box.

6. The air floatation machine for treating the down feather production wastewater as claimed in claim 1, wherein the bottom wall of the stirring cavity is in an inverted cone shape and the lowest end of the bottom wall of the stirring cavity is communicated with a water pump.

7. The air floatation machine for treating the down feather production wastewater as claimed in claim 1, wherein a brush is fixedly mounted on the top wall of the collection cavity and attached to the surface of the conveyor belt.

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