Water ecological restoration fluidized bed

Abstract

The utility model discloses a water ecological restoration fluidized bed which comprises a fluidized bed cylinder, a conical filter plate is arranged on the inner bottom wall of the fluidized bed cylinder, the fluidized bed cylinder is sequentially provided with a first horizontal filter plate, a second horizontal filter plate and a third horizontal filter plate upwards from the conical filter plate, and the first horizontal filter plate and the conical filter plate form a first fluidization cavity. The second horizontal filter plate and the third horizontal filter plate form a second fluidization cavity, biological materials are arranged in the first fluidization cavity and the second fluidization cavity, the third horizontal filter plate and the top wall of the fluidized bed cylinder form a water outlet cavity, the first fluidization cavity is connected with a water inlet pipe, and the water outlet cavity is connected with a water outlet pipe. Through the arrangement of the conical filter and the plurality of horizontal filter plates, the fluidized bed barrel forms a plurality of chambers, and the first fluidization cavity and the second fluidization cavity are filled with biological materials, so that the situation of excessive accumulation of the biological materials is effectively avoided, and the flowing of the biological materials in the upper fluidization cavity is promoted.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection equipment, in particular to a water ecological restoration fluidized bed. Background Art

[0002] A fluidized bed reactor is a reactor that uses gas or liquid to pass through a granular solid layer to make the solid particles in a suspended motion state and carry out gas-solid phase reaction process or liquid-solid phase reaction process. In wastewater treatment, by combining the fluidized bed process with the biofilm technology of biological engineering, the pollutants in the sewage are degraded by the microorganisms attached to the granular carriers, and the carriers are suspended in the fluid by the upward flowing liquid or gas and present a fluidized state.

[0003] At present, after long-term operation of the fluidized bed, the granular carriers are prone to deposition or adhesion on the cylinder wall, affecting the renewal of the colonies. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a water ecological restoration fluidized bed to solve the problem that after long-term operation of the fluidized bed, the granular carriers are prone to deposition or adhesion on the cylinder wall, affecting the renewal of the colonies.

[0005] The purpose of the utility model is achieved by the following technical solutions:

[0006] A water ecological restoration fluidized bed includes a fluidized bed cylinder body. A conical filter plate is provided on the inner bottom wall of the fluidized bed cylinder body. From the conical filter plate upwards, a first horizontal filter plate, a second horizontal filter plate and a third horizontal filter plate are successively provided in the fluidized bed cylinder body. The conical filter plate and the bottom wall of the fluidized bed cylinder body form a first turbulent flow chamber. The first horizontal filter plate and the conical filter plate form a first fluidized chamber. The second horizontal filter plate and the first horizontal filter plate form a second turbulent flow chamber. The second horizontal filter plate and the third horizontal filter plate form a second fluidized chamber. Biological materials are provided in both the first fluidized chamber and the second fluidized chamber. The third horizontal filter plate and the top wall of the fluidized bed cylinder body form an outlet chamber. The first fluidized chamber is connected with a water inlet pipe, and the outlet chamber is connected with a water outlet pipe.

[0007] Further, air diffuser pipes are provided in both the first turbulent flow chamber and the second turbulent flow chamber, and the air diffuser pipes are connected with an air inlet pipe.

[0008] Further, a weir is provided in the outlet chamber, and the water outlet pipe communicates with the weir.

[0009] Further, the space of the second turbulent flow chamber is smaller than the spaces of the first fluidized chamber and the second fluidized chamber.

[0010] Furthermore, a filter residue net is provided between the upper edge of the water outlet weir and the inner side wall of the fluidized bed cylinder body, and a maintenance cover is provided at the upper end of the fluidized bed cylinder body.

[0011] The utility model has the following advantages:

[0012] By providing a conical filter and multiple horizontal filter plates, multiple chambers are formed in the fluidized bed cylinder body, and biological materials are filled in the first fluidization chamber and the second fluidization chamber, effectively avoiding the excessive accumulation of biological materials. At the same time, the aeration pipe provided in the turbulence chamber is used to blow air to promote the flow of biological materials in the upper fluidization chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] In the figure, 1 - fluidized bed cylinder body, 2 - conical filter plate, 3 - first horizontal filter plate, 4 - second horizontal filter plate, 5 - third horizontal filter plate, 7 - biological material, 8 - water inlet pipe, 9 - water outlet pipe, 10 - aeration pipe, 11 - air inlet pipe, 12 - water outlet weir, 13 - filter residue net, 14 - maintenance cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] In order to make the objectives, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are some but not all of the embodiments of the utility model. Generally, the components of the embodiments of the utility model described and illustrated herein can be arranged and designed in various different configurations.

[0016] Therefore, the detailed description of the embodiments of the utility model provided in the drawings below is not intended to limit the scope of the utility model claimed, but merely represents the selected embodiments of the utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the utility model without creative efforts fall within the scope of protection of the utility model.

[0017] It should be noted that, without conflict, the embodiments in the utility model and the features in the embodiments can be combined with each other.

[0018] It should be noted that: like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0019] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive distinction and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] Reference Figure 1 As shown, an embodiment of the present utility model is:

[0022] A water ecological restoration fluidized bed includes a fluidized bed cylinder 1. A conical filter plate 2 is provided on the inner bottom wall of the fluidized bed cylinder 1. From the conical filter plate 2 upwards in the fluidized bed cylinder 1, a first horizontal filter plate 3, a second horizontal filter plate 4, and a third horizontal filter plate 5 are successively provided. The conical filter plate 2 and the bottom wall of the fluidized bed cylinder 1 form a first turbulence chamber. The first horizontal filter plate 3 and the conical filter plate 2 form a first fluidization chamber. The second horizontal filter plate 4 and the first horizontal filter plate 3 form a second turbulence chamber. The second horizontal filter plate 4 and the third horizontal filter plate 5 form a second fluidization chamber. Biological materials 7 are provided in both the first fluidization chamber and the second fluidization chamber. The third horizontal filter plate 5 and the top wall of the fluidized bed cylinder 1 form an outlet chamber. The first fluidization chamber is connected to a water inlet pipe 8, and the outlet chamber is connected to a water outlet pipe 9.

[0023] Furthermore, air diffuser pipes 10 are provided in both the first turbulence chamber and the second turbulence chamber, and the air diffuser pipes 10 are connected to an air inlet pipe 11.

[0024] By means of the provided conical filter 2 and multiple horizontal filter plates, multiple chambers are formed in the fluidized bed cylinder 1, and biological materials 7 are filled in the first fluidization chamber and the second fluidization chamber, effectively avoiding the excessive accumulation of biological materials. Meanwhile, the aeration pipe 10 arranged in the turbulence chamber is used for aeration to promote the flow of biological materials in the upper fluidization chamber.

[0025] Specifically, the space of the second turbulence chamber is smaller than the space of the first fluidization chamber and the second fluidization chamber.

[0026] In this embodiment, a weir 12 is arranged in the water outlet chamber, and the water outlet pipe 9 communicates with the weir 12.

[0027] A filter residue net 13 is arranged between the upper edge of the weir 12 and the inner side wall of the fluidized bed cylinder 1, and a maintenance cover 14 is arranged at the upper end of the fluidized bed cylinder 1.

[0028] The arranged weir cooperates with the filter residue net 13 to effectively block sundries from entering the water outlet pipe 9 and avoid the blockage of the water outlet pipe 9. The maintenance cover 14 is convenient for the staff to regularly clean the sundries on the filter residue net 13.

[0029] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent substitution on some of the technical features. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A water ecological restoration fluidized bed, characterized in that: It includes a fluidized bed cylinder body, a conical filter plate is provided on the inner bottom wall of the fluidized bed cylinder body, and a first horizontal filter plate, a second horizontal filter plate, and a third horizontal filter plate are successively arranged upward from the conical filter plate in the fluidized bed cylinder body. A first turbulent flow chamber is formed between the conical filter plate and the bottom wall of the fluidized bed cylinder body. A first fluidization chamber is formed between the first horizontal filter plate and the conical filter plate. A second turbulent flow chamber is formed between the second horizontal filter plate and the first horizontal filter plate. A second fluidization chamber is formed between the second horizontal filter plate and the third horizontal filter plate. Biological materials are provided in both the first fluidization chamber and the second fluidization chamber. An outlet chamber is formed between the third horizontal filter plate and the top wall of the fluidized bed cylinder body. A water inlet pipe is connected to the first fluidization chamber, and a water outlet pipe is connected to the outlet chamber.

2. The water ecological restoration fluidized bed according to claim 1, characterized in that: An air diffuser pipe is provided in both the first turbulent flow chamber and the second turbulent flow chamber, and the air diffuser pipe is connected to an air inlet pipe.

3. The fluidized bed for water ecological restoration according to claim 1, wherein: An outlet weir is provided in the outlet chamber, and the water outlet pipe communicates with the outlet weir.

4. The fluidized bed for water ecological restoration according to claim 1, wherein: The space of the second turbulent flow chamber is smaller than the space of the first fluidization chamber and the space of the second fluidization chamber.

5. The water ecological restoration fluidized bed according to claim 3, wherein: A filter residue net is provided between the upper edge of the outlet weir and the inner side wall of the fluidized bed cylinder body, and a maintenance cover is provided at the upper end of the fluidized bed cylinder body.

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