Pure and turbid separation device for printing and dyeing wastewater

Abstract

The utility model provides a printing and dyeing wastewater clean and turbid separation device which comprises a mixing cylinder, a separation cylinder and a buffer cylinder which are sequentially arranged in the wastewater conveying direction, a liquid inlet is formed in the upper end of the left wall of the mixing cylinder, a shaft hole is formed in the middle of the top wall of the mixing cylinder, a motor is arranged on the top wall of the mixing cylinder, and an output shaft of the motor penetrates through the shaft hole and a bearing. A liquid outlet in the right wall of the mixing barrel is connected with a separation barrel through a liquid outlet pipe, and an inner barrel is arranged in the separation barrel. The sewage treatment device has the beneficial effects that a plurality of auxiliary inlets are formed in the mixing cylinder, so that a flocculating agent can be dispersedly fed, and meanwhile, the flocculating agent and wastewater can be fully mixed under the driving of the stirring rod and the motor; a push plate is arranged in the separation cylinder, so that sediments on the inner wall of the cylinder can be pushed out, and the sediments can be conveniently cleaned; and the arranged mitigation cylinder can be used for collecting the separated wastewater, so that the situation that new wastewater is introduced to influence the separated wastewater is prevented, and the separation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of printing and dyeing wastewater treatment, and particularly relates to a device for separating clear and turbid printing and dyeing wastewater. Background Art

[0002] Printing and dyeing wastewater contains dyes, sizing agents, auxiliaries, oil agents, acids and alkalis, fiber impurities, sand substances, inorganic salts, etc. In order to improve the quality of wastewater treatment, it is necessary to separate the clear and turbid wastewater first. During the current clear and turbid separation process, the sediment deposits at the bottom of the box, and the sediment is not easy to clean; the flocculant and the wastewater are not fully mixed, affecting the separation effect; for the wastewater that has been statically separated, as the wastewater enters again, the separated wastewater is mixed again, reducing the separation efficiency. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a device for separating clear and turbid printing and dyeing wastewater, which is convenient for cleaning dirt, enables the flocculant and the wastewater to be fully mixed, improves the separation efficiency, and is particularly suitable for separating and treating printing and dyeing wastewater.

[0004] The technical solution of the utility model is: a device for separating clear and turbid printing and dyeing wastewater, including a mixing cylinder, a separation cylinder, and a buffer cylinder arranged in sequence along the wastewater transmission direction. The upper end of the left wall of the mixing cylinder is provided with a liquid inlet. The middle of the top wall of the mixing cylinder is provided with a shaft hole. A motor is arranged on the top wall of the mixing cylinder. The output shaft of the motor passes through the shaft hole and the bearing, and is connected to a rotating shaft. A plurality of stirring rods are arranged outside the rotating shaft. The lower end of the stirring rod is provided with a plurality of protrusions. A plurality of auxiliary inlets are arranged on the top wall of the mixing cylinder. Each auxiliary inlet is connected to its corresponding connecting pipe.

[0005] The lower end of the right wall of the mixing cylinder is provided with a liquid outlet. The liquid outlet is connected to the separation cylinder through a liquid outlet pipe. The top walls of the separation cylinder and the inner cylinder are open. An inner cylinder is arranged inside the separation cylinder, and the bottom wall of the inner cylinder is fixedly connected to the bottom wall of the separation cylinder. There is a gap between the top end of the inner cylinder and the top end of the separation cylinder. A residue area is formed between the circumferences of the side walls of the separation cylinder and the inner cylinder. The separation cylinder and the inner cylinder are respectively provided with a first hole and a second hole at the upper left end. The liquid outlet pipe passes through the first hole and the second hole in sequence and is fixed at the second hole. A push plate is arranged inside the inner cylinder. A support frame is arranged at the lower end of the separation cylinder. A cylinder is arranged on the support frame. The piston rod of the cylinder passes through the corresponding third hole and fourth hole on the separation cylinder and the inner cylinder and is connected to the push plate. The separation cylinder and the inner cylinder are respectively provided with a fifth hole and a sixth hole at the lower right end. The buffer pipe passes through the sixth hole and the fifth hole in sequence and is fixed at the sixth hole. The other end of the buffer pipe is connected to the left wall inlet of the buffer cylinder. The right wall of the buffer cylinder is provided with a water outlet, and a connection head with a switch valve is arranged at the water outlet.

[0006] Further, the lowermost end of the rotating shaft extending into the mixing cylinder is connected to the inner bottom wall of the mixing cylinder through a fixed bearing.

[0007] Further, all auxiliary inlets are arranged circumferentially around the motor.

[0008] Further, sealing rings are provided between the liquid outlet pipes and the first hole and the second hole respectively.

[0009] Further, the periphery of the push plate is arranged in contact with the inner wall of the inner cylinder.

[0010] Further, there is a sealing ring between the piston rod of the cylinder and the third hole and the fourth hole.

[0011] Further, on-off valves and suction pumps are provided on both the liquid outlet pipe and the buffer pipe.

[0012] The advantages and positive effects of the present utility model are as follows: Due to the adoption of the above technical solutions, multiple auxiliary inlets provided in the mixing cylinder can disperse the input of flocculants. At the same time, driven by the stirring rod and the motor, the flocculants and wastewater can be fully mixed first. The push plate provided in the separation cylinder can push out the sediments on the inner wall of the cylinder and is also convenient for cleaning. The provided buffer cylinder can collect the separated wastewater, prevent the introduction of new wastewater from affecting the separated wastewater, and improve the separation efficiency. Description of the Drawings

[0013] Figure 1 is a schematic structural view of the present utility model.

[0014] Figure 2 is a top view of the mixing cylinder.

[0015] In the figure:

[0016] 1, mixing cylinder; 2, separation cylinder; 3, buffer cylinder

[0017] 4, liquid inlet; 5, motor; 6, stirring rod

[0018] 7, protrusion; 8, auxiliary inlet; 9, liquid outlet pipe

[0019] 10, inner cylinder; 11, push plate; 12, cylinder

[0020] 13, buffer pipe Detailed Embodiment

[0021] Such as Figure 1 , 2As shown in the figure, the technical solution of the utility model is a device for separating clear and turbid printing and dyeing wastewater, which includes a mixing cylinder 1, a separation cylinder 2, and a buffer cylinder 3 arranged in sequence along the wastewater transmission direction. An inlet 4 is provided at the upper end of the left wall of the mixing cylinder 1. There is a shaft hole in the middle of the top wall of the mixing cylinder 1, and a motor 5 is provided on the top wall of the mixing cylinder 1. The output shaft of the motor 5 passes through the shaft hole and the bearing and is connected to the rotating shaft. A plurality of stirring rods 6 are arranged outside the rotating shaft, and a plurality of protrusions 7 are provided at the lower ends of the stirring rods 6. A plurality of auxiliary inlets 8 are provided on the top wall of the mixing cylinder 1, and each auxiliary inlet 8 is connected to its corresponding connecting pipe. The inlet 4 is used to introduce wastewater, and the auxiliary inlet 8 is used to introduce flocculant to improve the mixing of the flocculant and the wastewater.

[0022] An outlet is provided at the lower end of the right wall of the mixing cylinder 1, and the outlet is connected to the separation cylinder 2 through an outlet pipe 9. The top walls of the separation cylinder 2 and the inner cylinder 10 are open. An inner cylinder 10 is provided inside the separation cylinder 2, and the bottom wall of the inner cylinder 10 is fixedly connected to the bottom wall of the separation cylinder 2. There is a gap between the top end of the inner cylinder 10 and the top end of the separation cylinder 2. A residue area is formed between the circumferences of the side walls of the separation cylinder 2 and the inner cylinder 10. The separation cylinder 2 and the inner cylinder 10 are respectively provided with a first hole and a second hole at the upper left end. The outlet pipe 9 passes through the first hole and the second hole in sequence and is fixed at the second hole. A push plate 11 is provided inside the inner cylinder 10. A support frame is provided at the lower end of the separation cylinder 2, and a cylinder 12 is provided on the support frame. The piston rod of the cylinder 12 passes through the corresponding third hole and fourth hole on the separation cylinder 2 and the inner cylinder 10 and is connected to the push plate 11.

[0023] The separation cylinder 2 and the inner cylinder 10 are respectively provided with a fifth hole and a sixth hole at the lower right end. The buffer pipe 13 passes through the sixth hole and the fifth hole in sequence and is fixed at the sixth hole. The other end of the buffer pipe 13 is connected to the inlet on the left wall of the buffer cylinder 3. An outlet is provided on the right wall of the buffer cylinder 3, and a connection head with a switch valve is provided at the outlet.

[0024] In this embodiment, the lower end of the rotating shaft extending into the mixing cylinder 1 is connected to the inner bottom wall of the mixing cylinder 1 through a fixed bearing.

[0025] In this embodiment, all the auxiliary inlets 8 are arranged circumferentially around the motor 5.

[0026] In this embodiment, sealing rings are provided between the outlet pipe 9 and the first hole and the second hole respectively.

[0027] In this embodiment, the periphery of the push plate 11 is arranged in contact with the inner wall of the inner cylinder 10.

[0028] In this embodiment, there is a sealing ring between the piston rod of the cylinder 12 and the third hole and the fourth hole.

[0029] In this embodiment, on both the liquid outlet pipe 9 and the buffer pipe 13, there are on-off valves and pumping pumps.

[0030] The working process and principle of this example: During use, the printing and dyeing wastewater enters the mixing cylinder 1 through the liquid inlet, and the flocculant enters the mixing cylinder 1 from multiple auxiliary inlets. Under the action of the motor 5 and the stirring rod 6, the flocculant and the wastewater are fully mixed; then it is introduced into the separation cylinder 2. After separation for a period of time, the treated water is introduced into the buffer cylinder 3. The dirt deposited on the push plate 11 is pushed above the separation cylinder 2 by the cylinder 12 for cleaning, and the dirt can be cleaned between the inner cylinder 10 and the separation cylinder 2, which is convenient for centralized treatment.

[0031] The above has described in detail an embodiment of the present invention, but the content described is only the preferred embodiment of the present invention and cannot be considered as limiting the implementation scope of the present invention. Any equal changes and improvements made according to the scope of the application of the present invention shall still fall within the patent coverage scope of the present invention.

Claims

1. A printing and dyeing wastewater clear and turbid separation device, characterized in that: The invention comprises a mixing cylinder, a separation cylinder and a buffer cylinder which are sequentially arranged along the wastewater conveying direction. A liquid inlet is arranged at the upper end of the left wall of the mixing cylinder. An axial hole is arranged in the middle of the top wall of the mixing cylinder. A motor is arranged on the top wall of the mixing cylinder. The output shaft of the motor passes through the axial hole and the bearing and is connected to the rotating shaft. A plurality of stirring rods are arranged outside the rotating shaft. A plurality of protrusions are arranged at the lower end of the stirring rod. A plurality of auxiliary inlets are arranged on the top wall of the mixing cylinder. Each auxiliary inlet is connected to its corresponding connecting pipe. The lower end of the right wall of the mixing cylinder is provided with a liquid outlet, and the liquid outlet is connected to the separation cylinder through a liquid outlet pipe. The top walls of the separation cylinder and the inner cylinder are open, an inner cylinder is provided in the separation cylinder, and the bottom wall of the inner cylinder is fixedly connected to the bottom wall of the separation cylinder, there is a gap between the top end of the inner cylinder and the top end of the separation cylinder, and a residue area is surrounded by the circumference of the separation cylinder and the side wall of the inner cylinder. The upper left ends of the separation cylinder and the inner cylinder are respectively provided with a first hole and a second hole, and the liquid outlet pipe passes through the first hole and the second hole in sequence and is fixed at the second hole. A push plate is provided in the inner cylinder, and a support frame is provided at the lower end of the separation cylinder. A cylinder is provided on the support frame, and a piston rod of the cylinder passes through the corresponding third hole and fourth hole on the separation cylinder and the inner cylinder, and is connected to the push plate. The lower right ends of the separation cylinder and the inner cylinder are respectively provided with a fifth hole and a sixth hole, and the buffer tube is sequentially connected to the sixth hole and the fifth hole and is fixed at the sixth hole. The other end of the buffer tube is connected to the left wall inlet of the buffer cylinder, and a water outlet is provided on the right wall of the buffer cylinder, and a connector with a switch valve is provided at the water outlet.

2. The printing and dyeing wastewater clearing and turbidity separation device according to claim 1 is characterized by: The lowermost end of the rotating shaft extending into the mixing barrel is connected to the inner bottom wall of the mixing barrel through a fixed bearing.

3. The printing and dyeing wastewater clearing and turbidity separation device according to claim 1 is characterized by: All auxiliary inlets are arranged about the motor circumference.

4. The printing and dyeing wastewater clearing and turbidity separation device according to claim 1 is characterized by: Sealing rings are provided between the liquid outlet pipe and the first hole and the second hole respectively.

5. The printing and dyeing wastewater clearing and turbidity separation device according to claim 1 is characterized by: The push plate is arranged to fit the inner wall of the inner cylinder.

6. The printing and dyeing wastewater clearing and turbidity separation device according to claim 1 is characterized by: A sealing ring is arranged between the piston rod of the cylinder and the third hole and the fourth hole.

7. The printing and dyeing wastewater clearing and turbidity separation device according to claim 1 is characterized by: The liquid outlet pipe and the buffer pipe are both provided with switch valves and pumps.

Images