A Fenton fluidized bed reactor for treating aniline wastewater

Abstract

The utility model relates to the field of wastewater treatment, in particular to a Fenton fluidized bed reactor for treating aniline wastewater, comprising: a storage tank, a packing part, a cushion part, a water distribution plate, and a feed tank; wherein the bottom of the storage tank is fixedly arranged on the top of the packing part, the bottom of the packing part is fixedly arranged on the top of the cushion part, the bottom of the cushion part is fixedly arranged on the top of the water distribution plate, and the bottom of the water distribution plate is fixedly arranged on the top of the feed tank; a water outlet and a first circulation port are respectively provided on the side wall of the storage tank, the water outlet is fixedly connected to a water outlet pipe, and the first circulation port is fixedly connected to one end of the circulation pipe; the utility model has low treatment cost, simple operation, low maintenance cost, stable treatment efficiency, can effectively control by-products, reduce environmental pollution, and protect the health of workers and surrounding residents.

Description

Technical Field

[0001] The utility model relates to the field of wastewater treatment, in particular to a Fenton fluidized bed reactor for treating aniline wastewater. Background Art

[0002] As an important chemical raw material, aniline is widely used in dyes, medicines, plastics and other fields. However, the wastewater generated during its production and use contains high concentrations of aniline, posing a serious threat to the environment. Aniline is highly toxic, difficult to biodegrade and has large fluctuations in water quality. Conventional wastewater treatment technologies are often difficult to deal with effectively. Aniline wastewater not only contains high concentrations of organic pollutants, but may also be accompanied by complex characteristics such as high salinity and strong acidity and alkalinity, which further increases the difficulty of treatment. The treatment of aniline wastewater has also become a key technical challenge in the field of environmental protection and resource recovery. Therefore, the development of efficient, economical and environmentally friendly aniline wastewater treatment equipment has become the focus of attention in the industry. Utility Model Content

[0003] The utility model aims to provide a Fenton fluidized bed reactor for treating aniline wastewater in view of the deficiencies in the prior art.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A Fenton fluidized bed reactor for treating aniline wastewater comprises: a storage tank, a packing part, a cushion part, a water distribution plate, and a feed tank; wherein:

[0006] The bottom of the storage tank is fixedly arranged on the top of the filling part, the bottom of the filling part is fixedly arranged on the top of the cushion part, the bottom of the cushion part is fixedly arranged on the top of the water distribution plate, and the bottom of the water distribution plate is fixedly arranged on the top of the feed tank;

[0007] A water outlet and a first circulation port are respectively provided on the side wall of the storage tank, the water outlet is fixedly connected to a water outlet pipe, and the first circulation port is fixedly connected to one end of the circulation pipe;

[0008] Among them, a vent port is opened at the bottom end of the feed tank, and the vent port is fixedly connected to the vent pipe. A second circulation port is opened on the side wall of the bottom end of the feed tank, and the second circulation port is fixedly connected to the other end of the circulation pipe.

[0009] Preferably, it also includes: a first storage tank for setting hydrogen peroxide; wherein,

[0010] The first storage tank has a first discharge port;

[0011] A first feed port is also provided on the side wall of the feed tank. The first feed port is connected to the first discharge port through a first pipeline. A first pump is provided on the first pipeline.

[0012] Preferably, it also includes: a second storage tank for arranging the ferric sulfate solution; wherein,

[0013] The second storage tank has a second discharge port;

[0014] A second feed port is also provided on the side wall of the feed tank, and the second feed port is connected to the second discharge port through a second pipeline, and a second pump is provided on the second pipeline.

[0015] Preferably, it also includes: a wastewater tank; wherein,

[0016] The wastewater tank has a third discharge port;

[0017] A third feed port is also provided on the side wall of the feed tank, the third feed port is connected to the third discharge port through a third pipeline, and a third pump is provided on the third pipeline.

[0018] Preferably, the inner diameter of the storage tank, the inner diameter of the filling part, the inner diameter of the cushion part, the inner diameter of the water distribution plate, and the inner diameter of the feed tank are all 50 mm; the total height of the storage tank, the filling part, the cushion part, the water distribution plate, and the feed tank is 1000 mm.

[0019] Preferably, a filler is provided in the filler part, the filler is quartz sand, and the particle size of the quartz sand is 0.5 mm to 0.8 mm;

[0020] Preferably, the height of the packing part is 200 mm, and the effective reaction volume of the packing part is 1.1 L.

[0021] Preferably, the cushion layer portion comprises: a plurality of cushion layers arranged in sequence;

[0022] Preferably, the water outlet pipe is provided with a water outlet valve, and the vent pipe is provided with a vent valve;

[0023] Preferably, a circulation pump (12) is provided on the circulation pipe.

[0024] The utility model adopts the above technical solution, and compared with the prior art, has the following technical effects:

[0025] The utility model has low processing cost, simple operation, low maintenance cost, stable processing efficiency, can effectively control by-products, reduce the exposure of aniline to the environment during the processing, realize the recycling of resources, reduce environmental pollution, and protect the health of workers and surrounding residents. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a cross-sectional schematic diagram of the utility model;

[0027] Material storage tank 1; filler part 2; cushion part 3; vent pipe 4; water distribution plate 5; waste water tank 6; third pump 7; first material storage tank 8; first pump 9; second material storage tank 10; second pump 11, circulation pump 12. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0031] Example

[0032] like Figure 1 As shown, this embodiment provides a Fenton fluidized bed reactor for treating aniline wastewater, comprising: a storage tank 1, a packing part 2, a cushion part 3, a water distribution plate 5, and a feed tank; wherein,

[0033] The bottom of the storage tank 1 is fixedly arranged on the top of the packing part 2, the bottom of the packing part 2 is fixedly arranged on the top of the cushion part 3, the bottom of the cushion part 3 is fixedly arranged on the top of the water distribution plate 5, and the bottom of the water distribution plate 5 is fixedly arranged on the top of the feed tank;

[0034] The side wall of the storage tank 1 is provided with a water outlet and a first circulation port, respectively. The water outlet is fixedly connected to a water outlet pipe, and the first circulation port is fixedly connected to one end of the circulation pipe.

[0035] The bottom end of the feed tank is provided with a vent port, which is fixedly connected to the vent pipe 4. The outlet pipe is provided with a water outlet valve, and the vent pipe is provided with a vent valve.

[0036] A second circulation port is provided on the side wall of the bottom end of the feed tank, and the second circulation port is fixedly connected to the other end of the circulation pipe. A circulation pump 12 is provided on the circulation pipe.

[0037] A second feed port is also provided on the side wall of the feed tank. The second feed port is connected to the second discharge port via a second pipeline. A second pump 11 is provided on the second pipeline.

[0038] The cushion layer part 3 includes: a plurality of cushion layers arranged in sequence.

[0039] The filler part 2 is provided with a filler, the filler is quartz sand, and the particle size of the quartz sand is 0.5 mm to 0.8 mm;

[0040] Among them, the inner diameter of the storage tank 1, the inner diameter of the filling part 2, the inner diameter of the cushion part 3, the inner diameter of the water distribution plate 5, and the inner diameter of the feed tank are all 50mm; the total height of the storage tank 1, the filling part 2, the cushion part 3, the water distribution plate 5, and the feed tank is 1000mm.

[0041] The height of the packing part 2 is 200 mm, and the effective reaction volume of the packing part 2 is 1.1 L.

[0042] Among them, it also includes: a first storage tank 8 for setting hydrogen peroxide; wherein,

[0043] The first storage tank 8 has a first discharge port;

[0044] A first feed port is also provided on the side wall of the feed tank. The first feed port is connected to the first discharge port via a first pipeline. A first pump 9 is provided on the first pipeline.

[0045] Among them, it also includes: a second storage tank 10 for arranging the ferric sulfate solution; wherein,

[0046] The second storage tank 10 has a second discharge port;

[0047] Among them, it also includes: a wastewater tank 6; wherein,

[0048] The wastewater tank 6 has a third discharge port;

[0049] A third feed port is also provided on the side wall of the feed tank, and the third feed port is connected to the third discharge port via a third pipeline, and a third pump 7 is provided on the third pipeline.

[0050] When in use, a certain amount of quartz sand is first added to the packing part 2, and then aniline wastewater is added, and the solution in the first storage tank 8 and the second storage tank 10 is injected, and the internal circulation pump is turned on to circulate the aniline wastewater counterclockwise from the bottom of the reactor at a flow rate of 120L / h, thereby degrading aniline, and the treated aniline wastewater flows out from the outlet opened on the side wall of the storage tank 1.

[0051] In summary, the utility model has low processing cost, simple operation, low maintenance cost, stable processing efficiency, can effectively control by-products, reduce the exposure of aniline to the environment during the processing, realize the recycling of resources, reduce environmental pollution, and protect the health of workers and surrounding residents.

[0052] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A Fenton fluidized bed reactor for treating aniline wastewater, characterized in that: include: A material storage tank (1), a filler portion (2), a cushion portion (3), a water distribution plate (5), and a feed tank; wherein: The bottom of the storage tank (1) is fixedly arranged on the top of the filling part (2), the bottom of the filling part (2) is fixedly arranged on the top of the cushion part (3), the bottom of the cushion part (3) is fixedly arranged on the top of the water distribution plate (5), and the bottom of the water distribution plate (5) is fixedly arranged on the top of the feed tank; The side wall of the storage tank (1) is provided with a water outlet and a first circulation port, respectively, the water outlet is fixedly connected to a water outlet pipe, and the first circulation port is fixedly connected to one end of the circulation pipe; A vent port is provided at the bottom end of the feed tank, and the vent port is fixedly connected to the vent pipe (4); a second circulation port is provided on the side wall of the bottom end of the feed tank, and the second circulation port is fixedly connected to the other end of the circulation pipe.

2. The Fenton fluidized bed reactor according to claim 1, characterized in that Also includes: A first storage tank (8) for setting hydrogen peroxide; wherein, The first storage tank (8) has a first discharge port; A first feed port is also provided on the side wall of the feed tank, and the first feed port is connected to the first discharge port via a first pipeline, and a first pump (9) is provided on the first pipeline.

3. The Fenton fluidized bed reactor for treating aniline wastewater according to claim 1, characterized in that: Also includes: A second storage tank (10) for arranging a ferric sulfate solution; wherein: The second material storage tank (10) has a second material discharge port; A second feed port is also provided on the side wall of the feed tank, and the second feed port is connected to the second discharge port via a second pipeline, and a second pump (11) is provided on the second pipeline.

4. The Fenton fluidized bed reactor according to claim 1, characterized in that Also includes: a wastewater tank (6); wherein, The wastewater tank (6) has a third discharge port; A third feed port is also provided on the side wall of the feed tank, and the third feed port is connected to the third discharge port via a third pipeline, and a third pump (7) is provided on the third pipeline.

5. The Fenton fluidized bed reactor according to claim 1, characterized in that: The inner diameter of the storage tank (1), the inner diameter of the filling part (2), the inner diameter of the cushion part (3), the inner diameter of the water distribution plate (5), and the inner diameter of the feed tank are all 50 mm; the total height of the storage tank (1), the filling part (2), the cushion part (3), the water distribution plate (5), and the feed tank is 1000 mm.

6. The Fenton fluidized bed reactor according to claim 1, characterized in that: The filler part (2) is provided with a filler, the filler is quartz sand, and the particle size of the quartz sand is 0.5 mm to 0.8 mm.

7. The Fenton fluidized bed reactor according to claim 1, 5 or 6, characterized in that: The height of the packing part (2) is 200 mm, and the effective reaction volume of the packing part (2) is 1.1 L.

8. The Fenton fluidized bed reactor according to claim 1 or 5, characterized in that: The cushion layer part (3) comprises: a plurality of cushion layers arranged in sequence.

9. The Fenton fluidized bed reactor according to claim 1, characterized in that: The water outlet pipe is provided with a water outlet valve, and the vent pipe is provided with a vent valve.

10. The Fenton fluidized bed reactor according to claim 1, characterized in that: The circulation pipe is provided with a circulation pump (12).

Images