Printing and dyeing sewage treatment device

Abstract

The utility model discloses a printing and dyeing sewage treatment device, which comprises a conveying structure, which is provided with a material inlet for feeding printing and dyeing sewage, a first material outlet for discharging sewage and a second material outlet for discharging solids; the mixing reaction barrel is communicated with the first discharging opening, the mixing reaction barrel is provided with a dosing opening, and the mixing reaction barrel is used for containing chemical agents and sewage; the stirring structure is assembled in the mixing reaction barrel and is used for stirring and mixing the chemical agent and the sewage; the sedimentation tank is communicated with the second discharge port and is used for receiving solids discharged from the second discharge port, and a water leakage hole is formed in the bottom of the sedimentation tank; firstly, liquid and solid in sewage are preliminarily separated through the first discharge port and the second discharge port, then the liquid is stirred to react, and then solid-liquid separation is performed after the stirring reaction; the solid-liquid separation effect is better, and the separated liquid can be reused conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a printing and dyeing sewage treatment device. Background Art

[0002] The printing and dyeing industry needs to generate sewage during processing. If it is discharged directly into the environment without treatment, it will pollute water resources and cause harm to the environment. The printing and dyeing sewage treatment device in the existing technology has a poor separation effect on the solid and liquid substances in the printing and dyeing sewage, which affects the reuse of the treated liquid. Based on this, a printing and dyeing sewage treatment device is designed. Utility Model Content

[0003] To overcome at least one of the above-mentioned drawbacks of the prior art, the present invention provides a printing and dyeing wastewater treatment device. First, liquid and solids in the wastewater are initially separated through a first discharge port and a second discharge port. The liquid is then stirred for reaction, and after the stirring reaction, the solid-liquid separation is performed. This operation achieves a better solid-liquid separation effect and facilitates the reuse of the separated liquid.

[0004] The technical solution adopted by the present invention to solve the problem is:

[0005] A printing and dyeing wastewater treatment device comprises: a conveying structure, the conveying structure having an inlet for feeding printing and dyeing wastewater, a first outlet for discharging wastewater, and a second outlet for discharging solid matter; a mixing reaction barrel, the mixing reaction barrel being connected to the first outlet, the mixing reaction barrel having a dosing port, the mixing reaction barrel being used to accommodate chemicals and wastewater; a stirring structure, the stirring structure being assembled inside the mixing reaction barrel, and being used to stir and mix the chemicals and wastewater; a sedimentation tank, the sedimentation tank being connected to the second outlet, and being used to receive solid matter discharged from the second outlet, the sedimentation tank being provided with a leakage hole at the bottom; a secondary water storage barrel, the secondary water storage barrel being assembled below the sedimentation tank, the secondary water storage barrel being used to receive wastewater discharged from the leakage hole, the secondary water storage barrel being detachably connected to the sedimentation tank; a pumping structure, the pumping structure being located between the mixing reaction barrel and the sedimentation tank, and being used to pump the material in the mixing reaction barrel to the sedimentation tank.

[0006] By adopting the above scheme, through the comprehensive design of the conveying structure, mixing reaction barrel, stirring structure, sedimentation tank, secondary water storage barrel and pumping structure, the solid and liquid substances in the printing and dyeing wastewater can be separated, and the solid substances are precipitated through the sedimentation tank.

[0007] Furthermore, the conveying structure includes: a shell, the interior of which is hollow; a spiral shaft, which is arranged along the length direction of the shell; a first drive motor, which is transmission-connected to the spiral shaft; and an auger, which is spirally wound around the outer surface of the spiral shaft.

[0008] By adopting the above solution, the conveying effect of printing and dyeing wastewater is achieved, the liquid is discharged through the first discharge port, and the solid is discharged through the second discharge port.

[0009] Furthermore, a filter screen is provided at the first discharge port.

[0010] By adopting the above solution, the filter screen is provided to prevent solids from being discharged from the first discharge port, and only liquids are allowed to be discharged from the first discharge port.

[0011] Furthermore, the stirring structure includes: a second drive motor, which is assembled on the top of the mixing reaction barrel; a rotating shaft, which is arranged along the height of the mixing reaction barrel and is transmission-connected to the second drive motor; and a stirring blade, which is sleeved on the outer surface of the rotating shaft.

[0012] By adopting the above solution, the second driving motor drives the rotation of the stirring blade, drives the stirring and mixing of the chemical agent and the sewage, and performs a flocculation reaction, thereby achieving the treatment effect of the liquid matter in the sewage.

[0013] Furthermore, a third discharge port is provided on both the sedimentation tank and the secondary water storage tank.

[0014] By adopting the above solution, the treated liquid and filtered solids can be easily discharged through the third discharge port.

[0015] Furthermore, the top of the secondary water storage barrel is open, and support plates are provided on both sides of the interior thereof, and the sedimentation tank passes through the open portion and is erected on the support plates.

[0016] By adopting the above solution, the support effect of the sedimentation tank is achieved by setting the support plate, which facilitates the water leakage hole to flow into the secondary water storage tank.

[0017] Furthermore, the pumping structure includes: a delivery pump; a first delivery pipe, one end of which is connected to the mixing reaction barrel, and the other end is connected to the input end of the delivery pump; a second delivery pipe, one end of which is connected to the sedimentation tank, and the other end is connected to the output end of the delivery pump.

[0018] By adopting the above solution, the mixture after the reaction in the mixed reaction barrel is pumped to the sedimentation tank for solid-liquid filtration again, which has a better effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic cross-sectional view of an embodiment of the present invention;

[0020] Figure 2 This is a schematic diagram of the conveying structure of an embodiment of the utility model;

[0021] Among them, the meanings of the figure marks are as follows: 1. Conveying structure; 11. Feeding port; 12. First discharge port; 121. Filter screen; 13. Second discharge port; 14. Shell; 15. Screw shaft; 16. First drive motor; 17. Auger; 2. Mixing reaction barrel; 21. Dosing port; 3. Stirring structure; 31. Second drive motor; 32. Rotating shaft; 33. Stirring blade; 4. Sedimentation tank; 41. Leakage hole; 42. Third discharge port; 5. Secondary water storage tank; 51. Support plate; 6. Pumping structure; 61. Conveying pump; 62. First conveying pipe; 63. Second conveying pipe. DETAILED DESCRIPTION

[0022] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described and discussed below in conjunction with the drawings of the present invention. Obviously, what is described here is only a part of the examples of the present invention, not all the examples. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] In order to facilitate the understanding of the embodiments of the present invention, the following will be further explained with reference to specific embodiments as examples in conjunction with the drawings, and each embodiment does not constitute a limitation on the embodiments of the present invention.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the present invention.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0026] See Figure 1-Figure 2The utility model discloses a printing and dyeing wastewater treatment device: comprising a conveying structure 1, a mixing reaction barrel 2, a stirring structure 3, a sedimentation tank 4, a secondary water storage barrel 5 and a pumping structure 6, wherein the conveying structure 1 has an inlet 11 for feeding printing and dyeing wastewater, a first discharge port 12 for discharging wastewater and a second discharge port 13 for discharging solid matter, the mixing reaction barrel 2 is connected to the first discharge port 12, the mixing reaction barrel 2 has a dosing port 21, the mixing reaction barrel 2 is used to accommodate chemical agents and wastewater, the stirring structure 3 is assembled inside the mixing reaction barrel 2, and is used to The sedimentation tank 4 is connected to the second discharge port 13 to mix the chemicals and wastewater. The sedimentation tank 4 is configured to receive solid matter discharged from the second discharge port 13. A leak hole 41 is provided at the bottom of the sedimentation tank 4. A secondary water storage tank 5 is mounted below the sedimentation tank 4 to receive wastewater discharged from the leak hole 41. The secondary water storage tank 5 is detachably connected to the sedimentation tank 4. The pumping structure 6 is located between the mixing reaction tank 2 and the sedimentation tank 4 to pump the contents of the mixing reaction tank 2 to the sedimentation tank 4. The integrated design of the conveying structure 1, mixing reaction tank 2, stirring structure 3, sedimentation tank 4, secondary water storage tank 5, and pumping structure 6 allows solid matter and liquid matter in the printing and dyeing wastewater to be separated, with the solid matter settling in the sedimentation tank 4. A filter screen 121 is provided at the first discharge port 12 to prevent solid matter from being discharged from the first discharge port 12, allowing only liquid matter to be discharged from the first discharge port 12.

[0027] In this embodiment, the conveying structure 1 includes a shell 14, a spiral shaft 15, a first drive motor 16 and an auger 17. The shell 14 is hollow inside, and the spiral shaft 15 is arranged along the length direction of the shell 14. The first drive motor 16 is transmission-connected to the spiral shaft 15. The auger 17 is spirally wound around the outer surface of the spiral shaft 15 to achieve the conveying effect of printing and dyeing wastewater. The liquid is discharged through the first discharge port 12, and the solid is discharged through the second discharge port 13.

[0028] In this embodiment, the stirring structure 3 includes a second drive motor 31, a rotating shaft 32, and stirring blades 33. The second drive motor 31 is mounted on the top of the mixing reaction barrel 2. The rotating shaft 32 is arranged along the height of the mixing reaction barrel 2 and is in driving connection with the second drive motor 31. The stirring blades 33 are sleeved on the outer surface of the rotating shaft 32. The second drive motor 31 drives the stirring blades 33 to rotate, thereby driving the mixing and agitation of the chemical agent and the sewage, and performing a flocculation reaction, thereby achieving a treatment effect on the liquid matter in the sewage. The sedimentation tank 4 and the secondary water storage tank 5 are both provided with a third discharge port 42, which facilitates the discharge of treated liquid matter and filtered solid matter.

[0029] Among them, the top of the secondary water storage barrel 5 is open, and support plates 51 are provided on both sides of the interior thereof. The sedimentation tank 4 is erected on the support plates 51 through the open portion. By providing the support plates 51, the support effect of the sedimentation tank 4 is achieved, which facilitates the water leakage hole 41 to flow into the secondary water storage barrel 5.

[0030] In this embodiment, the pumping structure 6 includes a delivery pump 61, a first delivery pipe 62 and a second delivery pipe 63. One end of the first delivery pipe 62 is connected to the mixing reaction barrel 2, and the other end is connected to the input end of the delivery pump 61. One end of the second delivery pipe 63 is connected to the sedimentation tank 4, and the other end is connected to the output end of the delivery pump 61. The mixture after the reaction in the mixing reaction barrel 2 is pumped to the sedimentation tank 4 for solid-liquid filtration again, which has a better effect.

[0031] The working principle and steps of the utility model are as follows: when in use, the printing and dyeing sewage is put into the feeding port 11, and the first driving motor 16 drives the screw shaft 15 and the auger 17 to rotate, and the printing and dyeing sewage is transported. When it passes through the first discharge port 12, the liquid is discharged through the first discharge port 12 into the mixing reaction barrel 2, and the solid is discharged to the second discharge port 13 as the auger 17 rotates. The solid is discharged through the second discharge port 13 into the sedimentation tank 4, and the chemical agent is added from the dosing port 21 of the mixing reaction barrel 2, and the second driving motor drives the screw shaft 16 to rotate. The machine drives the rotating shaft 32 and the stirring blades 33 to rotate to achieve the mixing effect of the chemical agent and the sewage. After mixing, flocs and liquid are produced. The delivery pump 61 is turned on to pump the flocs and liquid into the sedimentation tank 4 through the first delivery pipe 62 and the second delivery pipe 63. The liquid will flow into the secondary water storage barrel 5 through the leakage hole 41 of the sedimentation tank 4, while the solid matter will remain in the sedimentation tank 4. The solid matter and liquid matter in the sedimentation tank 4 and the secondary water storage barrel 5 can be discharged separately through the third discharge port 42, thereby realizing solid separation and recovery and liquid treatment.

[0032] The technical means disclosed in the present invention are not limited to those disclosed in the above-mentioned embodiments, but also include technical solutions composed of any combination of the above-mentioned technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A printing and dyeing wastewater treatment device, characterized in that: include: A conveying structure having an inlet for feeding printing and dyeing wastewater, a first outlet for discharging wastewater, and a second outlet for discharging solid matter; a mixing reaction barrel, the mixing reaction barrel being in communication with the first discharge port, the mixing reaction barrel having a drug addition port, and the mixing reaction barrel being used to contain chemicals and sewage; A stirring structure, which is installed inside the mixing reaction barrel and is used to stir and mix the chemical agent and sewage; A sedimentation tank, the sedimentation tank is connected to the second discharge port, and is used to receive solid matter discharged from the second discharge port. A water leakage hole is opened at the bottom of the sedimentation tank; A secondary water storage barrel is installed below the sedimentation tank and is used to receive sewage discharged from the leaking hole. The secondary water storage barrel is detachably connected to the sedimentation tank. A pumping structure is located between the mixing reaction barrel and the sedimentation tank, and is used to pump the material in the mixing reaction barrel to the sedimentation tank.

2. A printing and dyeing wastewater treatment device according to claim 1, characterized in that: The conveying structure includes: a shell, wherein the interior of the shell is hollow; A spiral shaft, the spiral shaft being arranged along the length direction of the shell; a first drive motor, the first drive motor being drivingly connected to the screw shaft; An auger is spirally wound around the outer surface of the spiral shaft.

3. A printing and dyeing wastewater treatment device according to claim 2, characterized in that: A filter screen is provided at the first discharge port.

4. A printing and dyeing wastewater treatment device according to claim 3, characterized in that: The stirring structure comprises: a second drive motor, the second drive motor being mounted on the top of the mixing reaction barrel; a rotating shaft, the rotating shaft being arranged along the height of the mixing reaction barrel and being in driving connection with the second driving motor; A stirring blade is sleeved on the outer surface of the rotating shaft.

5. A printing and dyeing wastewater treatment device according to claim 4, characterized in that: The sedimentation tank and the secondary water storage barrel are both provided with a third discharge port.

6. A printing and dyeing wastewater treatment device according to claim 2, characterized in that: The top of the secondary water storage barrel is open, and support plates are provided on both sides of the interior thereof. The sedimentation tank passes through the open portion and is erected on the support plates.

7. A printing and dyeing wastewater treatment device according to claim 6, characterized in that: The pumping structure comprises: delivery pump; a first delivery pipe, one end of which is connected to the mixing reaction barrel, and the other end of which is connected to the input end of the delivery pump; A second delivery pipe, one end of which is connected to the sedimentation tank, and the other end of which is connected to the output end of the delivery pump.

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