Sewage treatment equipment

Abstract

The utility model discloses sewage treatment equipment which comprises a water tank A, a water tank B, a dosing tank, a backwashing pump, a self-priming pump, a Roots blower, an aeration disc and a membrane frame assembly, the water tank A is communicated with an inlet of the self-priming pump through a pipeline, the water tank B is communicated with an inlet of the backwashing pump through a pipeline, the dosing tank is communicated with a pipeline between the water tank B and the backwashing pump, an outlet of the backwashing pump and an outlet of the self-priming pump are communicated with the membrane frame assembly through a common pipeline, and an aeration disc is arranged on the lower portion of the membrane frame assembly. And the Roots blower is communicated with the aeration disc through a pipeline. According to the technical scheme, the device is simple in structure, low in machining and manufacturing cost, high in treatment efficiency and good in treatment effect.

Description

Technical Field

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

[0002] A sewage treatment device is an industrial device that can effectively treat domestic sewage, industrial wastewater, etc. in urban areas, avoiding the direct inflow of sewage and pollutants into water areas, and is of great significance for improving the ecological environment, enhancing the urban grade and promoting economic development.

[0003] The sewage treatment device adopts the Membrane Bioreactor (MBR for short) technology, which is a new process combining biological treatment technology and membrane separation technology. It replaces the secondary sedimentation tank in the traditional process. It can efficiently carry out solid-liquid separation and obtain stable reclaimed water for direct use. It can also maintain a high concentration of microorganisms in the biological tank, with less surplus sludge in the process, extremely effectively remove ammonia nitrogen, the suspended solids and turbidity in the effluent are close to zero, bacteria and viruses in the effluent are greatly removed, with low energy consumption and small floor area. In the 1970s, the membrane bioreactor was already used in the research work of sewage and wastewater treatment in the United States, Japan, South Africa and many European countries. Its water source is taken from domestic sewage (such as shower drainage, lavatory drainage, laundry drainage, kitchen drainage, toilet drainage, etc.) and cooling water.

[0004] The existing sewage treatment devices have complex structures and high costs, lacking a sewage treatment device with a simple structure, low cost and good treatment effect. Content of the Utility Model

[0005] For this reason, the utility model provides a sewage treatment device to solve the above problems in the prior art. To achieve the above purpose, the utility model provides the following technical solutions: According to the first aspect of the utility model, a sewage treatment device includes water tank A, water tank B, a chemical dosing tank, a backwashing pump, a self-priming pump, a Roots blower, an aeration disc and a membrane rack assembly; water tank A is connected to the inlet of the self-priming pump through a pipeline, water tank B is connected to the inlet of the backwashing pump through a pipeline, the chemical dosing tank is connected in parallel to the pipeline between water tank B and the backwashing pump, the outlets of the backwashing pump and the self-priming pump are connected to the membrane rack assembly through a common pipeline, an aeration disc is arranged at the lower part of the membrane rack assembly, and the Roots blower is connected to the aeration disc through a pipeline.

[0006] Further, the membrane rack assembly includes an upper membrane rack, a lower membrane rack and an outer frame. The upper membrane rack and the lower membrane rack are both installed in parallel within the outer frame, and both are connected to the common outlet pipeline of the backwashing pump and the self-priming pump through pipelines.

[0007] Further, there are multiple groups of membrane rack assemblies, and the multiple groups of membrane rack assemblies are equally spaced. An aeration disc is arranged below each group of membrane rack assemblies.

[0008] Furthermore, there are multiple chemical dosing tanks, which are arranged side by side.

[0009] Furthermore, it also includes an electric control box, and the backwashing pump, self-priming pump and Roots blower are all connected to the electric control box.

[0010] Furthermore, there are multiple Roots blowers, which are arranged at equal intervals.

[0011] Furthermore, both water tank A and water tank B are cylindrical water tanks.

[0012] Furthermore, a manual butterfly valve A is connected in series on the inlet pipeline of the aeration disc.

[0013] Furthermore, a manual butterfly valve B is connected in series on the inlet pipeline of the membrane frame assembly.

[0014] Furthermore, the aeration disc is composed of multiple mutually parallel aeration pipes.

[0015] The utility model has the following advantages: Through a sewage treatment device of the utility model, the structure is simple, the processing and manufacturing cost is low, the treatment efficiency is high, and the treatment effect is good. Description of the Drawings

[0016] Figure 1 It is a first perspective structure diagram of a sewage treatment device provided by some embodiments of the utility model.

[0017] Figure 2 It is a second perspective structure diagram of a sewage treatment device provided by some embodiments of the utility model.

[0018] Figure 3 It is a partial structure diagram of a sewage treatment device provided by some embodiments of the utility model.

[0019] In the figure, 1. Water tank A, 2. Water tank B, 3. Chemical dosing tank, 4. Backwashing pump, 5. Self-priming pump, 6. Roots blower, 7. Electric control box, 8. Aeration disc, 9. Upper membrane frame, 10. Lower membrane frame, 11. Outer frame, 12. Manual butterfly valve A, 13. Manual butterfly valve B. Detailed Embodiments

[0020] The following specific embodiments illustrate the implementation manners of the utility model. Those skilled in this technology can easily understand other advantages and effects of the utility model from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of the utility model.

[0021] Embodiment 1

[0022] As shown in Figures 1 to 3 the figure, a sewage treatment device in the first aspect embodiment of the present utility model includes a water tank A1, a water tank B2, a chemical dosing tank 3, a backwashing pump 4, a self-priming pump 5, a Roots blower 6, an aeration disc 8 and a membrane frame assembly; the water tank A1 is connected to the inlet of the self-priming pump 5 through a pipeline, the water tank B2 is connected to the inlet of the backwashing pump 4 through a pipeline, the chemical dosing tank 3 is connected in parallel to the pipeline between the water tank B2 and the backwashing pump 4, the outlets of the backwashing pump 4 and the self-priming pump 5 are connected to the membrane frame assembly through a common pipeline, the aeration disc 8 is arranged at the lower part of the membrane frame assembly, and the Roots blower 6 is connected to the aeration disc 8 through a pipeline.

[0023] The technical effects achieved by the above embodiment are as follows: Through the sewage treatment device of this embodiment, the structure is simple, the processing and manufacturing cost is low, the treatment efficiency is high, and the treatment effect is good.

[0024] Embodiment 2

[0025] As shown in Figures 1 to 3 the figure, a sewage treatment device includes all the contents of Embodiment 1. In addition, the membrane frame assembly includes an upper membrane frame 9, a lower membrane frame 10 and an outer frame 11. The upper membrane frame 9 and the lower membrane frame 10 are both installed in parallel in the outer frame 11, and both are connected to the common outlet pipeline of the backwashing pump 4 and the self-priming pump 5 through a pipeline; the upper membrane frame 9 and the lower membrane frame 10 are rectangular tubular structures, and a plurality of through holes are provided in the length direction of the upper membrane frame 9 and the lower membrane frame 10.

[0026] Optionally, there are multiple groups of membrane frame assemblies, and the multiple groups of membrane frame assemblies are equally spaced. An aeration disc 8 is arranged below each group of membrane frame assemblies, and the membrane frame assembly is an MBR membrane frame.

[0027] The technical effects achieved by the above embodiment are as follows: The membrane frame assembly composed of the upper membrane frame 9, the lower membrane frame 10 and the outer frame 11 has a stable structure and high support strength; there are multiple groups of membrane frame assemblies, which significantly improves the sewage treatment efficiency.

[0028] Embodiment 3

[0029] As shown in Figures 1 to 3 the figure, a sewage treatment device includes all the contents of Embodiment 2. In addition, there are multiple groups of chemical dosing tanks 3, and the multiple groups of chemical dosing tanks 3 are arranged side by side.

[0030] Optionally, it further includes an electric control box 7, and the backwashing pump 4, the self-priming pump 5 and the Roots blower 6 are all connected to the electric control box 7.

[0031] Optionally, there are multiple Roots blowers 6, and the multiple Roots blowers 6 are equally spaced.

[0032] The technical effects achieved by the above embodiment are as follows: The multiple groups of chemical dosing tanks 3 improve the drug delivery efficiency; the setting of the electric control box 7 improves the intelligence of the device; the multiple Roots blowers 6 improve the aeration efficiency.

[0033] Example 4

[0034] As Figures 1 to 3 shown, a sewage treatment device includes all the contents of Example 3. In addition, both water tank A1 and water tank B2 are cylindrical water tanks.

[0035] The technical effects achieved by the above embodiment are as follows: The cylindrical water tank is simple to process and has high structural stability.

[0036] Example 5

[0037] As Figures 1 to 3 shown, a sewage treatment device includes all the contents of Example 4. In addition, a manual butterfly valve A12 is connected in series on the inlet pipeline of the aeration disc 8.

[0038] Optionally, a manual butterfly valve B13 is connected in series on the inlet pipeline of the membrane rack assembly.

[0039] Optionally, the aeration disc 8 is composed of a plurality of mutually parallel aeration pipes.

[0040] The technical effects achieved by the above embodiment are as follows: By setting the manual butterfly valve A12, the control strength of the air intake volume of the aeration disc 8 is improved; by setting the manual butterfly valve B13, the control strength of the liquid medicine discharged by the membrane rack assembly is improved; the aeration disc 8 is composed of a plurality of mutually parallel aeration pipes, which improves the structural stability.

[0041] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention 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 invention.

[0042] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0043] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two components or the interaction relationship between two components, unless otherwise clearly defined. 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.

[0044] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with that embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0045] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limitations to the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.

[0046] In the description of this specification, the description referring to terms such as "Embodiment 1", "Embodiment 2", "example", "specific example", or "some examples", etc. means that the specific methods, devices, or characteristics described in connection with that embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, methods, devices, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0047] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A sewage treatment equipment, characterized in that: The invention comprises a water tank A (1), a water tank B (2), a dosing tank (3), a backwash pump (4), a self-priming pump (5), a Roots blower (6), an aeration plate (8) and a membrane frame assembly; the water tank A (1) is connected to the inlet of the self-priming pump (5) through a pipeline, the water tank B (2) is connected to the inlet of the backwash pump (4) through a pipeline, the dosing tank (3) is connected in parallel to the pipeline between the water tank B (2) and the backwash pump (4), the outlet of the backwash pump (4) and the outlet of the self-priming pump (5) are connected to the membrane frame assembly through a common pipeline, an aeration plate (8) is provided at the bottom of the membrane frame assembly, and the Roots blower (6) is connected to the aeration plate (8) through a pipeline.

2. The sewage treatment equipment according to claim 1, characterized in that: The membrane frame assembly includes an upper membrane frame (9), a lower membrane frame (10) and an outer frame (11). The upper membrane frame (9) and the lower membrane frame (10) are both installed in parallel in the outer frame (11), and the two are connected to the common outlet pipeline of the backwash pump (4) and the self-priming pump (5) through a pipeline.

3. The sewage treatment equipment according to claim 2, characterized in that: The membrane frame components are divided into multiple groups, and the multiple groups of membrane frame components are evenly spaced. An aeration plate (8) is arranged below each group of membrane frame components.

4. The sewage treatment equipment according to claim 1, characterized in that: The medicine adding boxes (3) are divided into multiple groups, and the multiple groups of medicine adding boxes (3) are arranged side by side.

5. The sewage treatment equipment according to claim 1, characterized in that: The utility model also comprises an electric control box (7), and the backwash pump (4), the self-priming pump (5) and the Roots blower (6) are all connected to the electric control box (7).

6. The sewage treatment equipment according to claim 1, characterized in that: There are multiple Roots blowers (6), which are arranged at equal intervals.

7. The sewage treatment equipment according to claim 1, characterized in that: Water tank A (1) and water tank B (2) are both cylindrical water tanks.

8. The sewage treatment equipment according to claim 1, characterized in that: A manual butterfly valve A (12) is connected in series to the inlet pipe of the aeration plate (8).

9. The sewage treatment equipment according to claim 1, characterized in that: A manual butterfly valve B (13) is connected in series to the inlet pipeline of the membrane frame assembly.

10. The sewage treatment equipment according to claim 1, characterized in that: The aeration plate (8) is composed of a plurality of aeration tubes parallel to each other.

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