Fenton integrated equipment

Abstract

The utility model belongs to the technical field of wastewater treatment equipment, and particularly relates to Fenton integrated equipment which comprises a reaction tank for catalyzing a chain reaction between ferrous ions and hydrogen peroxide, a stirring motor is fixedly connected to the upper surface of the reaction tank, a mixing mechanism is arranged on one side of the reaction tank, and a stirring mechanism is arranged on the other side of the reaction tank. The mixing mechanism is used for preliminarily mixing the medicament and the wastewater entering the reaction tank in advance, and comprises a square shell fixedly connected to the surface of one side of the reaction tank. According to the Fenton integrated equipment, when being input, wastewater and chemicals flow through the cross-flow pipe at the same time, and due to the shape of the cross-flow pipe, circulating liquid can form hedging at the arc-shaped bent pipe part of the cross-flow pipe, so that a mixing effect is generated.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment equipment, in particular to a Fenton integrated equipment. Background Technique

[0002] The essence of the Fenton method is that the chain reaction between ferrous ions and hydrogen peroxide catalyzes the generation of hydroxyl radicals, which has strong oxidation ability and is particularly suitable for the oxidation treatment of organic wastewater that is difficult to degrade biologically or ineffective for general chemical oxidation. Compared with other wastewater treatment technologies, Fenton oxidation has the advantages of wide application industries, high purification efficiency, and the ability to treat a variety of refractory substances.

[0003] The Chinese patent with the authorization announcement number CN211871513U discloses a new type of Fenton oxidation integrated equipment, including a cover body and a tank body. The cover body and the tank body are fixedly connected by bolts. The cover body is fixedly connected with a driving mechanism, the driving mechanism is fixedly connected with a stirring mechanism, the stirring mechanism is rotatably connected with the cover body, the stirring mechanism includes a rotating shaft and a plurality of groups of inclined blades, and the blades are detachably connected with the rotating shaft. By setting the stirring mechanism, the oxidation effect of the equipment is effectively improved, the oxidation speed is accelerated, the reaction efficiency of the oxidant and the sewage is improved, and the utilization degree of the oxidant is improved, which affects the economic benefits.

[0004] Although the above technical solution can achieve the mixing of liquids, the above technical solution still uses a traditional mixer for stirring, which is prone to uneven mixing. At the same time, in order to reach the required reaction concentration, the dosage of the medicament needs to be increased, and the concentration of the mixed liquid will affect the reaction effect. Therefore, the proposed utility model solves the deficiencies of the above technical problems. Content of the Utility Model

[0005] Based on the above existing technical problems, the utility model proposes a Fenton integrated equipment.

[0006] A Fenton integrated equipment proposed by the utility model includes a reaction tank for catalyzing the chain reaction between ferrous ions and hydrogen peroxide. A stirring motor is fixedly connected to the upper surface of the reaction tank. A mixing mechanism is arranged on one side of the reaction tank. The mixing mechanism preliminarily mixes the medicament and wastewater entering the interior of the reaction tank in advance. The mixing mechanism includes a square shell fixedly connected to one side surface of the reaction tank.

[0007] Preferably, the inner top wall of the reaction tank is rotatably connected with a stirring rod through a bearing. The outer surface of the output shaft of the stirring motor is fixedly connected with the outer surface of the stirring rod. A ring-shaped stirring disc is fixedly connected to the lower surface of the stirring rod. Air flow holes through which liquid passes are formed in an annular array on the surface of the stirring disc.

[0008] Through the above technical solution, in order to enhance the mixing efficiency of wastewater and chemicals, after the wastewater and chemicals enter the reaction tank, the stirring rod is driven to rotate by the stirring motor, and then the stirring disc is linked. The agitated liquid can be continuously stirred after passing through the air holes, thus realizing the mixing of wastewater and chemicals.

[0009] Preferably, spiral rods are symmetrically and fixedly connected to the outer surface of the stirring rod and the upper surface of the stirring disc, and the width of the spiral rods gradually widens from top to bottom.

[0010] Through the above technical solution, in order to improve the stirring effect of the stirring rod, a spiral rod that wraps it is provided on the outer surface of the stirring rod, so that the mixed liquid with different diameters and different heights can be stirred, thereby improving the mixing efficiency of the mixed liquid.

[0011] Preferably, the mixing mechanism further includes a wastewater pipe fixedly connected to the upper surface of the square shell, and a chemical adding pipe is fixedly connected to one side surface of the wastewater pipe.

[0012] Through the above technical solution, in order to add wastewater and chemicals into the reaction tank for mixing reaction and to improve the mixing efficiency, the wastewater and chemicals are premixed in the square shell, so the liquid is input into the interior of the square shell through the wastewater pipe and the chemical adding pipe at the same time.

[0013] Preferably, the mixing mechanism further includes a cross-flow pipe fixedly connected to the inner top wall of the square shell. The input end of the cross-flow pipe is fixedly connected to the output end of the wastewater pipe, and the cross-flow pipe is formed by connecting a plurality of arc-shaped pipes in the shape of water droplets.

[0014] Through the above technical solution, in order to improve the mixing efficiency of wastewater and chemicals, when inputting wastewater and chemicals, they flow through the cross-flow pipe at the same time. Due to the shape of the cross-flow pipe, the flowing liquid can form a countercurrent at the arc-shaped elbow part of the cross-flow pipe, thereby producing a mixing effect.

[0015] Preferably, a flow guiding platform is fixedly connected to the inner top wall of the square shell. A conical drainage groove is formed on the upper surface of the flow guiding platform. A water outlet pipe fixedly connected to the inside of the drainage groove is fixedly connected to the lower surface of the square shell. The water outlet end of the water outlet pipe is fixedly connected to a liquid inlet shell, and the water outlet end of the liquid inlet shell is fixedly connected to the liquid inlet end of the reaction tank.

[0016] Through the above technical solution, in order to input the preliminarily mixed wastewater and chemicals into the reaction tank, the mixed liquid is discharged from the water outlet pipe through the drainage groove of the flow guiding platform and flows into the interior of the liquid inlet shell. After passing through the liquid inlet shell, it can enter the reaction tank for stirring and mixing. The cooperation of the flow guiding platform and the drainage groove can prevent the preliminarily mixed liquid from accumulating inside the square shell.

[0017] Preferably, the mixing mechanism further includes a bottom baffle fixedly connected to the inner bottom wall of the liquid inlet housing. There is an overflow gap between the upper surface of the bottom baffle and the inner top wall of the liquid inlet housing. The lower surface of the water outlet pipe exceeds the upper surface of the bottom baffle. A liquid outlet housing is fixedly connected to the surface of the reaction tank away from the liquid inlet housing. A top baffle is fixedly connected to the inner top wall of the liquid outlet housing. There is an overflow gap between the lower surface of the top baffle and the inner bottom wall of the liquid outlet housing.

[0018] Through the above technical solution, in order to quickly and evenly mix the wastewater and the reagent and shorten the residence time. When the mixed liquid continuously transports liquid from the liquid inlet housing to the reaction tank, since there is a gap between the upper surface of the bottom baffle and the inner top wall of the liquid inlet housing, the mixed liquid is discharged to the inner bottom wall of the liquid inlet housing from the water outlet pipe, bypasses the bottom baffle from below and enters the reaction tank. By adopting the water inlet cross-flow method and then being stirred by the stirring motor, the mixing time can be shortened. When the uniformly mixed liquid enters the next process from the liquid outlet housing, since there is a gap between the top baffle and the liquid outlet housing, the mixed liquid can continuously overflow to the next process, thus avoiding its residence.

[0019] The beneficial effects in the present utility model are as follows:

[0020] 1. By setting the mixing mechanism, the reagent and wastewater entering the reaction tank can be preliminarily mixed in advance, and the residence time can be shortened. During the adjustment process, when inputting the wastewater and the reagent, they flow through the cross-flow pipe at the same time. Due to the shape of the cross-flow pipe, the flowing liquid can form a countercurrent at the arc-shaped elbow part of the cross-flow pipe, thereby producing a mixing effect.

[0021] 2. By setting the bottom baffle and the top baffle, when the mixed liquid continuously transports liquid from the liquid inlet housing to the reaction tank, since there is a gap between the upper surface of the bottom baffle and the inner top wall of the liquid inlet housing, the mixed liquid is discharged to the inner bottom wall of the liquid inlet housing from the water outlet pipe, bypasses the bottom baffle from below and enters the reaction tank. By adopting the water inlet cross-flow method and then being stirred by the stirring motor, the mixing time can be shortened. When the uniformly mixed liquid enters the next process from the liquid outlet housing, since there is a gap between the top baffle and the liquid outlet housing, the mixed liquid can continuously overflow to the next process, thus avoiding its residence.

[0022] 3. By setting the screw rod, the mixed liquid in the reaction tank can be comprehensively stirred to improve its mixing effect. During the adjustment process, the stirring rod is driven to rotate by the stirring motor, and then the stirring disk is linked. The stirred liquid can be continuously stirred after passing through the air flow holes, so that the mixing of the wastewater and the reagent can be realized. A screw rod is arranged on the outer surface of the stirring rod to wrap it, so that the mixed liquid with different diameters and different heights can be stirred, thereby improving the mixing efficiency of the mixed liquid. Description of the Drawings

[0023] Figure 1 Schematic diagram of a Fenton integrated device proposed by the present utility model;

[0024] Figure 2 Three-dimensional diagram of the stirring rod structure of a Fenton integrated device proposed by the present utility model;

[0025] Figure 3 Three-dimensional diagram of the chemical addition pipe structure of a Fenton integrated device proposed by the present utility model;

[0026] Figure 4 Three-dimensional diagram of the diversion platform structure of a Fenton integrated device proposed by the present utility model;

[0027] Figure 5 Three-dimensional diagram of the cross-flow pipe structure of a Fenton integrated device proposed by the present utility model;

[0028] Figure 6 Three-dimensional diagram of the bottom baffle structure of a Fenton integrated device proposed by the present utility model;

[0029] Figure 7 Three-dimensional diagram of the top baffle structure of a Fenton integrated device proposed by the present utility model.

[0030] In the figure: 1, reaction tank; 2, stirring motor; 3, square shell; 4, stirring rod; 5, stirring disc; 6, air flow holes; 7, spiral rod; 8, waste water pipe; 9, chemical addition pipe; 10, cross-flow pipe; 11, diversion platform; 12, drainage groove; 13, water outlet pipe; 14, liquid inlet housing; 15, liquid outlet housing; 16, top baffle; 17, bottom baffle. Specific embodiments

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0032] Refer to Figures 1-7 , a Fenton integrated device, including a reaction tank 1 for catalyzing the chain reaction between ferrous ions and hydrogen peroxide. A stirring motor 2 is fixedly connected to the upper surface of the reaction tank 1. A mixing mechanism is arranged on one side of the reaction tank 1. The mixing mechanism preliminarily mixes the chemicals and waste water entering the interior of the reaction tank 1 in advance. The mixing mechanism includes a square shell 3 fixedly connected to one side surface of the reaction tank 1.

[0033] In order to enhance the mixing efficiency of wastewater and chemicals, the inner top wall of the reaction tank 1 is rotatably connected to a stirring rod 4 through a bearing, the outer surface of the output shaft of the stirring motor 2 is fixedly connected to the outer surface of the stirring rod 4, and the lower surface of the stirring rod 4 is fixedly connected to a ring-shaped stirring disk 5. The surface of the stirring disk 5 is distributed in a ring array and is penetrated by air flow holes 6 for liquid to pass through. After the wastewater and the chemical enter the reaction tank 1, the stirring motor 2 drives the stirring rod 4 to rotate, thereby linking the stirring disk 5, and the stirred liquid can be continuously stirred after passing through the air flow holes 6, thereby achieving mixing of the wastewater and the chemical.

[0034] In order to improve the stirring effect of the stirring rod 4, the outer surface of the stirring rod 4 and the upper surface of the stirring disk 5 are symmetrically distributed and fixedly connected with a spiral rod 7, and the width of the spiral rod 7 gradually widens from top to bottom. The spiral rod 7 is arranged on the outer surface of the stirring rod 4 to wrap it, so that different diameters and heights of the mixed liquid can be stirred, thereby improving the mixing efficiency of the mixed liquid.

[0035] By setting the spiral rod 7, the mixed liquid in the reaction tank 1 can be fully stirred to improve its mixing effect. During the adjustment process, the stirring motor 2 drives the stirring rod 4 to rotate, thereby linking the stirring plate 5, and the stirred liquid can be continuously stirred after passing through the air flow hole 6, so that the mixing of wastewater and medicine can be achieved. The spiral rod 7 that wraps the stirring rod 4 is set on the outer surface of the stirring rod 4, so that different diameters and different heights of the mixed liquid can be stirred, thereby improving the mixing efficiency of the mixed liquid.

[0036] In order to add wastewater and chemicals into the reaction tank 1 for mixed reaction and to improve the mixing efficiency, the mixing mechanism also includes a wastewater pipe 8 fixedly connected to the upper surface of the square shell 3, and a dosing pipe 9 fixedly connected to one side surface of the wastewater pipe 8. The wastewater and chemicals are mixed in advance in the square shell 3, and liquid is simultaneously input into the inside of the square shell 3 through the wastewater pipe 8 and the dosing pipe 9.

[0037] In order to improve the mixing efficiency of wastewater and chemicals, the mixing mechanism also includes a cross-flow tube 10 fixedly connected to the inner top wall of the square shell 3. The input end of the cross-flow tube 10 is fixedly connected to the output end of the wastewater pipe 8. The cross-flow tube 10 is connected by a plurality of arc tubes in the shape of water drops. When the wastewater and chemicals are input, they flow through the cross-flow tube 10 at the same time. Due to the shape of the cross-flow tube 10, the circulating liquids can be counteracted at the arc-shaped bend of the cross-flow tube 10, thereby producing a mixing effect.

[0038] In order to input the preliminarily mixed wastewater and medicament into the reaction tank 1, a diversion platform 11 is fixedly connected to the inner top wall of the square shell 3. A conical drain groove 12 is formed on the upper surface of the diversion platform 11. A water outlet pipe 13 fixedly connected to the inside of the drain groove 12 is provided on the lower surface of the square shell 3. The water outlet end of the water outlet pipe 13 is fixedly communicated with a liquid inlet shell 14. The water outlet end of the liquid inlet shell 14 is fixedly communicated with the liquid inlet end of the reaction tank 1. The mixed liquid is discharged from the water outlet pipe 13 through the drain groove 12 of the diversion platform 11 and flows into the inside of the liquid inlet shell 14. After passing through the liquid inlet shell 14, it can enter the reaction tank 1 for stirring and mixing. The cooperation of the diversion platform 11 and the drain groove 12 can prevent the preliminarily mixed liquid from accumulating inside the square shell 3.

[0039] In order to quickly mix the wastewater and the medicament evenly and shorten the residence time, the mixing mechanism further includes a bottom baffle 17 fixedly connected to the inner bottom wall of the liquid inlet shell 14. There is a flow-through gap between the upper surface of the bottom baffle 17 and the inner top wall of the liquid inlet shell 14. The lower surface of the water outlet pipe 13 exceeds the upper surface of the bottom baffle 17. A liquid outlet shell 15 is fixedly communicated with one side surface of the reaction tank 1 away from the liquid inlet shell 14. A top baffle 16 is fixedly connected to the inner top wall of the liquid outlet shell 15. There is a flow-through gap between the lower surface of the top baffle 16 and the inner bottom wall of the liquid outlet shell 15. When the mixed liquid continuously transports liquid from the liquid inlet shell 14 to the reaction tank 1, due to the gap between the upper surface of the bottom baffle 17 and the inner top wall of the liquid inlet shell 14, the mixed liquid is discharged from the water outlet pipe 13 to the inner bottom wall of the liquid inlet shell 14, bypasses the bottom baffle 17 from below and enters the reaction tank 1. By adopting the way of cross-flow water inlet and then being stirred by the stirring motor 2, the mixing time can be shortened. When the evenly mixed liquid enters the next process from the liquid outlet shell 15, due to the gap between the top baffle 16 and the liquid outlet shell 15, the mixed liquid can continuously overflow to the next process and avoid staying.

[0040] By setting the mixing mechanism, the medicament and the wastewater entering the inside of the reaction tank 1 can be preliminarily mixed in advance and the residence time can be shortened. During the adjustment process, when inputting the wastewater and the medicament, they flow through the cross-flow pipe 10 at the same time. Due to the shape of the cross-flow pipe 10, the flowing liquid can form a countercurrent at the arc-shaped elbow part of the cross-flow pipe 10, thereby producing a mixing effect.

[0041] By setting the bottom baffle 17 and the top baffle 16, when the mixed liquid continuously transports liquid from the liquid inlet housing 14 to the reaction tank 1, since there is a gap between the upper surface of the bottom baffle 17 and the inner top wall of the liquid inlet housing 14, the mixed liquid is discharged from the water outlet pipe 13 to the inner bottom wall of the liquid inlet housing 14, bypasses the bottom baffle 17 from below and enters the reaction tank 1. By adopting the water inlet cross-flow method and then being stirred by the stirring motor 2, the mixing time can be shortened. When the uniformly mixed liquid enters the next process from the liquid outlet housing 15, since there is a gap between the top baffle 16 and the liquid outlet housing 15, the mixed liquid can continuously overflow to the next process, thus avoiding its stay.

[0042] Working principle: In a specific embodiment of the present utility model, liquid is simultaneously input into the interior of the square housing 3 through the waste water pipe 8 and the chemical adding pipe 9. When the waste water and the chemical agent are input, they simultaneously flow through the cross-flow pipe 10. Due to the shape of the cross-flow pipe 10, the flowing liquid can form a countercurrent at the arc-shaped elbow part of the cross-flow pipe 10, thereby generating a mixing effect. The mixed liquid flows from the cross-flow pipe 10 into the drainage groove 12 of the diversion platform 11, and is discharged from the water outlet pipe 13 and flows into the interior of the liquid inlet housing 14;

[0043] When the mixed liquid continuously transports liquid from the liquid inlet housing 14 to the reaction tank 1, since there is a gap between the upper surface of the bottom baffle 17 and the inner top wall of the liquid inlet housing 14, the mixed liquid is discharged from the water outlet pipe 13 to the inner bottom wall of the liquid inlet housing 14, bypasses the bottom baffle 17 from below and enters the reaction tank 1. By adopting the water inlet cross-flow method and then being stirred by the stirring motor 2, the mixing time can be shortened. When the uniformly mixed liquid enters the next process from the liquid outlet housing 15, since there is a gap between the top baffle 16 and the liquid outlet housing 15, the mixed liquid can continuously overflow to the next process.

[0044] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, making equivalent substitutions or changes should be covered within the protection scope of the present utility model.

Claims

1. A Fenton integrated device, comprising a reaction tank (1) for catalyzing the chain reaction between ferrous ions and hydrogen peroxide, characterized in that: The upper surface of the reaction tank (1) is fixedly connected with a stirring motor (2). A mixing mechanism is arranged on one side of the reaction tank (1). The mixing mechanism preliminarily mixes the medicament and wastewater entering the interior of the reaction tank (1) in advance. The mixing mechanism includes a square shell (3) fixedly connected to the surface of one side of the reaction tank (1); The mixing mechanism further includes a wastewater pipe (8) fixedly communicated with the upper surface of the square shell (3). A chemical adding pipe (9) is fixedly communicated with one surface of the wastewater pipe (8); The mixing mechanism further includes a cross-flow pipe (10) fixedly connected to the inner top wall of the square shell (3). The input end of the cross-flow pipe (10) is fixedly communicated with the output end of the wastewater pipe (8). The cross-flow pipe (10) is formed by connecting a plurality of arc-shaped pipes in the shape of water droplets; 2. The integrated Fenton device according to claim 1, wherein: The inner top wall of the reaction tank (1) is rotatably connected with a stirring rod (4) through a bearing. The outer surface of the output shaft of the stirring motor (2) is fixedly connected with the outer surface of the stirring rod (4). The lower surface of the stirring rod (4) is fixedly connected with an annular stirring disc (5). Airflow holes (6) through which liquid passes are formed in an annular array on the surface of the stirring disc (5); 3. The integrated Fenton device according to claim 2, characterized in that: Symmetrically distributed on the outer surface of the stirring rod (4) and the upper surface of the stirring disc (5) are spiral rods (7). The width of the spiral rods (7) gradually widens from top to bottom; 4. A Fenton integrated device according to claim 1, characterized in that: The inner top wall of the square shell (3) is fixedly connected with a diversion platform (11). A conical drainage groove (12) is formed on the upper surface of the diversion platform (11). The lower surface of the square shell (3) is fixedly connected with a water outlet pipe (13) fixedly communicated with the inside of the drainage groove (12). The water outlet end of the water outlet pipe (13) is fixedly communicated with a liquid inlet housing (14). The water outlet end of the liquid inlet housing (14) is fixedly communicated with the liquid inlet end of the reaction tank (1); 5. The Fenton integrated device according to claim 4, characterized in that: The mixing mechanism further includes a bottom baffle (17) fixedly connected to the inner bottom wall of the liquid inlet housing (14). There is a flow-through gap between the upper surface of the bottom baffle (17) and the inner top wall of the liquid inlet housing (14). The lower surface of the water outlet pipe (13) exceeds the upper surface of the bottom baffle (17). A liquid outlet housing (15) is fixedly communicated with the surface of the reaction tank (1) away from the liquid inlet housing (14). The inner top wall of the liquid outlet housing (15) is fixedly connected with a top baffle (16). There is a flow-through gap between the lower surface of the top baffle (16) and the inner bottom wall of the liquid outlet housing (15);

Images