Fenton catalyst adding equipment for organic wastewater treatment
By utilizing a catalyst addition device that combines centrifugal force and aeration, the problem of Fenton catalyst being difficult to dissolve uniformly and rapidly in organic wastewater has been solved, achieving uniform and rapid diffusion and efficient treatment of the catalyst.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-10
AI Technical Summary
In existing technologies, powdered Fenton catalysts are difficult to dissolve uniformly and quickly in organic wastewater during the addition process, which affects the treatment efficiency.
A catalyst addition device is used to throw out the Fenton catalyst using centrifugal force and mix it with the gas sprayed from the aeration device. The catalyst is then guided by the inner and outer arc-shaped guide channels to make it spread evenly and quickly in the wastewater.
This method achieves uniform and rapid dissolution of Fenton catalyst in organic wastewater, thereby improving treatment efficiency.
Smart Images
Figure CN224105645U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to organic wastewater treatment technical field, concretely relates to a fenton catalyst adding equipment for organic wastewater treatment. BACKGROUND
[0002] The main process of the advanced oxidation treatment of the organic wastewater is as follows: after the pH value of the refractory organic wastewater is adjusted to 3-5 by the pipeline mixer, the wastewater is fed into the advanced oxidation reaction tank, the powder type fenton catalyst and hydrogen peroxide are added into the tank, the aeration device is arranged at the bottom of the tank, the wastewater is fully contacted with the catalyst and the hydrogen peroxide, the submerged ultrafiltration membrane assembly is arranged in the tank, and the wastewater treated by the advanced oxidation treatment is filtered by the ultrafiltration membrane and then discharged.
[0003] However, in the prior art, the powder type fenton catalyst is thrown into the reaction tank as a whole during the adding process, so that the powder type fenton catalyst is difficult to uniformly and quickly dissolve in the organic wastewater, thereby affecting the treatment efficiency of the organic wastewater.
[0004] Therefore, it is necessary to design a fenton catalyst adding equipment for organic wastewater treatment to overcome the above problems. UTILITY MODEL CONTENTS
[0005] The utility model discloses a fenton catalyst adding equipment for organic wastewater treatment, which scatters the fenton catalyst in the wastewater by centrifugal force, and then diffuses upward from the bottom under the action of the gas sprayed by the aeration device, so that the fenton catalyst is uniformly and quickly dissolved in the organic wastewater, and the equipment is simple, efficient, practical and convenient.
[0006] The utility model provides a fenton catalyst adding equipment for organic wastewater treatment, which comprises a catalyst main pipe, an aeration main pipe and a plurality of catalyst mixing pieces, the catalyst mixing pieces are arranged side by side between the catalyst main pipe and the aeration main pipe, each catalyst mixing machine comprises a catalyst assembly and an aeration assembly connected with each other, the catalyst assembly is communicated with the catalyst main pipe, and the aeration assembly is communicated with the aeration main pipe.
[0007] Further, the catalyst assembly comprises a branch pipe piece, a material falling disc and an outer shell, the upper end of the hollow branch pipe piece is communicated with the catalyst main pipe, the material falling disc is rotatably installed at the lower end of the branch pipe piece, the material falling disc is provided with a material storage groove for receiving the material falling from the branch pipe piece, a plurality of sub-chutes are arranged on the side wall of the material storage groove, the outer shell is arranged outside the branch pipe piece and the material falling disc, the top of the outer shell is provided with an outlet, and the bottom is connected with the aeration assembly.
[0008] Further, the material falling disc is rotatably installed at the lower end of the branch pipe piece through a rotating assembly, and the rotating assembly comprises a connecting seat and a rotating part, the connecting seat is arranged at the lower end of the branch pipe piece, the rotating part is arranged at the upper end of the material falling disc, and the rotating part is rotatably installed on the connecting seat.
[0009] Further, the connecting seat comprises a connecting disc and an inner connecting ring, the connecting disc is fixed at the bottom of the branch pipe, and the inner connecting ring is fixed at the bottom of the connecting disc and arranged around the lower end of the branch pipe, and the rotating part is rotatably installed at the lower end of the inner connecting ring.
[0010] Further, the rotating part comprises a connecting table, a sealing ring seat and a plurality of connecting ribs, the sealing ring seat is protruded upward from the top of the hollow connecting table, the sealing ring seat is rotatably installed on the inner connecting ring, and the plurality of connecting ribs are connected with the bottom of the connecting table and the top of the blanking disc respectively.
[0011] Further, the outer wall of the connecting rib and the outer wall of the connecting table are in arc shape and inwardly curved.
[0012] Further, the inner wall of the shell is provided with outer arc-shaped flow guide grooves and inner arc-shaped flow guide grooves which are distributed upward and downward, the outer arc-shaped flow guide grooves are inwardly curved and correspond to the connecting rib and the connecting table, and the inner arc-shaped flow guide grooves are outwardly curved.
[0013] Further, the bottom of the connecting disc is provided with an outer ring body which is arranged outside the inner connecting ring and abuts against the rotating part at the bottom.
[0014] Further, a driving assembly is arranged between the outer ring body and the inner connecting ring and used for driving the rotating part to rotate on the inner connecting ring.
[0015] Further, the aeration assembly comprises an aeration branch pipe and an aeration disc, the aeration disc is connected with the aeration main pipe through the aeration branch pipe, the bottom of the outer shell is provided with a mounting port, and the aeration disc is located in or extends into the mounting port.
[0016] The Fenton catalyst in the utility model is thrown out under the action of centrifugal force, mixed with the gas sprayed by the aeration device, guided in the inner arc-shaped flow guide grooves of the inner wall of the outer shell, and continuously sprayed upward along the outer wall of the connecting table and the outer arc-shaped flow guide grooves under the action of the upward driving force of the gas. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 Fig. 2 is a structural schematic view of a Fenton catalyst adding device for organic wastewater treatment according to an embodiment of the utility model;
[0018] Figure 2 Fig. 3 is a structural schematic view of a catalyst mixing part according to an embodiment of the utility model.
[0019] REFERENCE SIGNS:
[0020] 1, catalyst main pipe; 2, aeration main pipe; 3, branch pipe; 4, blanking disc; 40, storage groove; 41, flow dividing groove; 5, connecting seat; 50, connecting disc; 51, inner connecting ring; 6, rotating part; 60, connecting table; 600, sealing ring seat; 61, connecting rib; 7, outer shell; 8, aeration branch pipe; 9, aeration disc. DETAILED DESCRIPTION
[0021] In order to better understand the present application, the following examples are further illustrations of the present application, but the content of the present application is not limited to the following examples.
[0022] Example 1
[0023] As shown in Figure 1 and Figure 2 , a Fenton catalyst adding device for organic wastewater treatment, comprising: a catalyst main pipe 1, an aeration main pipe 2, and a plurality of catalyst mixing elements, the plurality of catalyst mixing elements are arranged side by side between the catalyst main pipe 1 and the aeration main pipe 2; the catalyst main pipe 1 and the aeration main pipe 2 are arranged in a reaction tank, the catalyst main pipe 1 is used for conveying Fenton catalyst, and the aeration main pipe 2 is used for conveying gas, wherein the catalyst main pipe 1 is located directly above the aeration main pipe 2, and both are located below the ultrafiltration membrane in the reaction tank.
[0024] Based on the arrangement of the catalyst main pipe 1 and the aeration main pipe 2, in order to facilitate the uniform and rapid dissolution of the catalyst in the organic wastewater, the catalyst combines with the gas sprayed by the aeration device and diffuses into the organic wastewater, which helps the Fenton catalyst to uniformly diffuse into the organic wastewater. Specifically, the catalyst main pipe 1 and the aeration main pipe 2 are connected through a plurality of catalyst mixing elements, and the aeration device and the Fenton catalyst discharging device are combined through the arrangement of the catalyst mixing elements.
[0025] Each catalyst mixing machine comprises a connected catalyst assembly and an aeration assembly, the catalyst assembly communicates with the catalyst main pipe 1, and the aeration assembly communicates with the aeration main pipe 2.
[0026] The catalyst assembly comprises a branch pipe 3, a discharging disc 4 and an outer shell 7. The branch pipe 3 is a hollow structure, and the upper end of the branch pipe 3 is communicated with the catalyst main pipe 1 to guide the Fenton catalyst in the catalyst main pipe 1 downward through the branch pipe 3. In order to facilitate the control of discharging, a valve body control unit such as an electromagnetic valve can be arranged on the branch pipe 3. The discharging disc 4 is rotatably arranged at the bottom of the branch pipe 3, and the discharging disc 4 is provided with a storage groove 40 for receiving the material falling from the branch pipe 3. The side wall of the storage groove 40 is provided with a plurality of branch grooves. The Fenton catalyst falling from the branch pipe 3 falls on the storage groove 40, and the Fenton catalyst in the storage groove 40 is thrown out from the branch grooves 41 under the action of centrifugal force with the rotation of the discharging disc 4. The outer shell 7 is arranged outside the branch pipe 3 and the discharging disc 4, and the top of the outer shell 7 is provided with an outlet, and the bottom is connected with an aeration assembly. The gas sprayed by the aeration device is upwardly guided, so as to be mixed with the Fenton catalyst thrown out from the branch grooves 41 in the process of upward guiding.
[0027] As shown in Figure 2 , the discharging disc 4 is rotatably arranged at the lower end of the branch pipe 3 through a rotating assembly. The rotating assembly comprises a connecting seat 5 and a rotating part 6. The connecting seat 5 is arranged at the lower end of the branch pipe 3, and the rotating part 6 is arranged at the upper end of the discharging disc 4 and is rotatably arranged on the connecting seat 5.
[0028] The connecting seat 5 comprises a connecting disc 50 and an inner connecting ring 51. The connecting disc 50 is fixed at the bottom of the branch pipe 3, and the inner connecting ring 51 is fixed at the bottom of the connecting disc 50 and is arranged around the lower end of the branch pipe 3. The rotating part 6 is rotatably arranged at the lower end of the inner connecting ring 51. An outer ring body is arranged at the bottom of the connecting disc 50, and is arranged around the outer connecting ring 51 and abuts against the rotating part 6 at the bottom.
[0029] Meanwhile, the rotating part 6 comprises a connecting table 60, a sealing ring seat 600 and a plurality of connecting ribs 61. The sealing ring seat 600 is protruded upward from the top of the hollow connecting table 60, and is rotatably arranged on the inner wall of the inner connecting ring 51. The outer diameter of the top of the connecting table 60 is larger than the outer diameter of the outer ring body. The plurality of connecting ribs 61 are respectively connected to the bottom of the connecting table 60 and the top of the discharging disc 4, and the connecting ribs 61 are in strip structure.
[0030] Based on the structure of the connecting seat 5 and the rotating part 6, in the embodiment, the rotating part 6 rotates at the bottom of the connecting seat 5. When the rotating part 6 rotates rapidly relative to the connecting seat 5, the rotating part 6 drives the discharging disc 4 to rotate, so that the Fenton catalyst in the storage groove 40 is thrown out under the action of centrifugal force.
[0031] In order to rotate the rotating part 6 efficiently and conveniently, a driving assembly is arranged between the outer ring body and the inner connecting ring 51 for driving the rotating part 6 to rotate on the inner connecting ring 51. The driving force for rotating the rotating part 6 can be realized by a motor, and the inner connecting ring 51 and the outer ring body form an annular cavity, and the motor is installed in the annular cavity. The output end of the motor drives the connecting table 60 to rotate through a gear and ring assembly. Further, the gear is fixed on the output end of the motor, the ring is fixed on the top of the connecting table 60, and the gear and ring assembly is located in the annular cavity between the inner connecting ring 51 and the outer ring body. It should be noted that the motor output end drives the rotating part 6 to rotate through the gear and ring assembly, which is only one of the rotating modes of the rotating part 6. Any structure that can realize the rotation of the rotating part 6 can be used.
[0032] The aeration assembly includes an aeration branch pipe 8 and an aeration disc 9, and the aeration disc 9 is connected with the aeration main pipe 2 through the aeration branch pipe 8. The outer shell 7 is fixed on the outer wall of the connecting table 60 or the connecting seat 5, and the connecting mode can be fixed together by reinforcing ribs. The outer shell 7 is provided with a mounting port at the bottom, and the aeration disc 9 is located in or extends into the mounting port.
[0033] In order to facilitate the mixing of the Fenton catalyst "thrown" out of the flow dividing groove 41 and the gas sprayed by the aeration device, the inner wall of the outer shell 7, the outer wall of the connecting rib 61 and the outer wall of the connecting table 60 can play a guiding effect, referring to Figure 2 Firstly, the outer wall of the connecting rib 61 and the outer wall of the connecting table 60 are curved in an arc shape. Secondly, the inner wall of the outer shell 7 is provided with outer arc-shaped guide grooves and inner arc-shaped guide grooves distributed upward and downward. The outer arc-shaped guide grooves of the inner wall of the shell are inwardly curved and correspondingly arranged with the connecting rib 61 and the connecting table 60. The inner arc-shaped guide grooves are outwardly curved. The connecting point positions of the inner arc-shaped guide grooves and the outer arc-shaped guide grooves are located above the connecting rib 61.
[0034] The Fenton catalyst "thrown" out of the flow dividing groove 41 is guided to the inner arc-shaped guide grooves of the inner wall of the outer shell 7, so as to be mixed with the gas sprayed upward by the aeration device below. Under the action of the upward driving force of the gas, the mixed gas containing the Fenton catalyst continues to be sprayed upward along the outer wall of the connecting table 60 and the outer arc-shaped guide grooves. Under the pushing of the gas of the aeration device, the Fenton catalyst is uniformly and rapidly dissolved in the organic wastewater.
[0035] In the utility model, the Fenton catalyst is "thrown" out under the action of centrifugal force, mixed with the gas sprayed by the aeration device after being "thrown" out, and guided in the inner arc-shaped guide grooves of the inner wall of the outer shell 7. Under the action of the upward driving force of the gas, the mixed gas containing the Fenton catalyst continues to be sprayed upward along the outer wall of the connecting table 60 and the outer arc-shaped guide grooves. In the utility model, the Fenton catalyst is scattered into the wastewater by centrifugal force, and then diffused upward under the action of the gas sprayed by the aeration device, so as to make the Fenton catalyst uniformly and rapidly dissolved in the organic wastewater.
[0036] The above is the preferred embodiment of the present application, of course, can not be limited by the scope of the present application, it should be noted that, for those skilled in the art, without departing from the principles of the present application, under the premise of, can also make a number of improvements and changes, these improvements and changes are also considered to be the scope of the present application.
Claims
1. A Fenton catalyst addition device for organic wastewater treatment, characterized in that, The utility model relates to a catalyst main pipe, an aeration main pipe, a plurality of catalyst mixing pieces, the plurality of catalyst mixing pieces are arranged in parallel between the catalyst main pipe and the aeration main pipe, each catalyst mixing machine includes connected catalyst assembly and aeration assembly, the catalyst assembly is communicated with the catalyst main pipe, and the aeration assembly is communicated with the aeration main pipe. The catalyst assembly includes a branch pipe, a material falling disc and an outer shell, the upper end of the hollow structure of the branch pipe is communicated with the catalyst main pipe, the material falling disc is rotatably installed at the lower end of the branch pipe, the material falling disc is provided with a storage groove for receiving the material falling from the branch pipe, the side wall of the storage groove is provided with a plurality of sub-chutes, and the outer shell is arranged outside the branch pipe and the material falling disc, the top of the outer shell is provided with an outlet, and the bottom is connected with the aeration assembly.
2. The Fenton catalyst adding apparatus for organic wastewater treatment as claimed in claim 1, characterized in that: The material falling disc is rotatably installed at the lower end of the branch pipe through a rotating assembly, and the rotating assembly includes a connecting seat and a rotating part, the connecting seat is arranged at the lower end of the branch pipe, and the rotating part is arranged at the upper end of the material falling disc and rotatably installed on the connecting seat.
3. The Fenton catalyst adding apparatus for organic wastewater treatment as claimed in claim 2, characterized in that: The connecting seat includes a connecting disc and an inner connecting ring, the connecting disc is fixed at the bottom of the branch pipe, the inner connecting ring is fixed at the bottom of the connecting disc and arranged around the lower end of the branch pipe, and the rotating part is rotatably installed at the lower end of the inner connecting ring.
4. The Fenton catalyst adding apparatus for organic wastewater treatment as claimed in claim 3, characterized in that: The rotating part includes a connecting table, a sealing ring seat and a plurality of connecting ribs, the sealing ring seat is protruded upward from the top of the hollow structure of the connecting table, the sealing ring seat is rotatably installed on the inner connecting ring, and the plurality of connecting ribs are respectively connected to the bottom of the connecting table and the top of the material falling disc.
5. The Fenton catalyst adding apparatus for organic wastewater treatment as claimed in claim 4, characterized by: The outer wall of the connecting rib and the outer wall of the connecting table are curved inward in an arc shape.
6. The Fenton catalyst adding apparatus for organic wastewater treatment as claimed in claim 5, characterized by: The inner wall of the shell is provided with an outer arc-shaped flow guide groove and an inner arc-shaped flow guide groove distributed upward and downward, the outer arc-shaped flow guide groove is curved inward and corresponds to the connecting rib and the connecting table, and the inner arc-shaped flow guide groove is curved outward.
7. The Fenton catalyst adding apparatus for organic wastewater treatment as claimed in claim 6, characterized by: The bottom of the connecting disc is provided with an outer ring body arranged outside the inner connecting ring and abutting against the rotating part at the bottom.
8. The Fenton catalyst adding apparatus for organic wastewater treatment as claimed in claim 4, characterized by: A driving assembly is arranged between the outer ring body and the inner connecting ring for driving the rotating part to rotate on the inner connecting ring.
9. The Fenton catalyst adding apparatus for organic wastewater treatment as claimed in claim 2, characterized by: The aeration assembly includes an aeration branch pipe and an aeration disc, the aeration disc is connected with the aeration main pipe through the aeration branch pipe, the bottom of the outer shell is provided with a mounting port, and the aeration disc is located in or extends into the mounting port.
10. The Fenton catalyst adding apparatus for organic wastewater treatment as claimed in claim 1, characterized by: