Sewage treatment equipment with function of preventing filter sand of denitrification biofilter from leaking

Abstract

The sewage treatment equipment comprises a bottom plate, the top of the bottom plate is fixedly connected with a denitrification biofilter body, the bottom of the left side of the denitrification biofilter body is communicated with a connecting pipe, and the bottom of the right side of the denitrification biofilter body is communicated with a water inlet pipe. A filter plate is fixedly connected to the bottom between the two sides of an inner cavity of the denitrification biological filter body, a filter head is fixedly connected to the bottom of the filter plate, a sand filtering body is arranged at the top of the filter plate, a baffle is arranged at the top of the sand filtering body, and water through holes are formed in the two sides of the top of the baffle. Filter cloth is fixedly connected to the bottom between the two sides of the inner cavity of the water through hole, and a transverse plate is fixedly connected to the top of the baffle through a first bolt. Through the baffle, the water through hole, the filter cloth, the transverse plate, the box body, the bracket, the mounting frame, the movable rod, the movable plate, the spring and the damper, the purpose of preventing filtered sand from leaking can be achieved, so that the sewage treatment effect is better, and the use of people is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to sewage treatment equipment capable of preventing filter sand from leaking from a denitrification biological filter. Background Art

[0002] The denitrification filter is a biological filter with denitrification and denitrification functions. It is developed on the basis of traditional biological filters. Sewage treatment equipment will use the principle of denitrification filters to treat sewage.

[0003] When existing sewage treatment equipment treats sewage, due to the use of a denitrification filter tank structure, the sewage continuously washes the supporting layer composed of filter sand, which makes the filter sand easy to leak. The reduction of filter sand makes the sewage treatment effect worse, which brings inconvenience to people's use. Specifically, a sewage treatment equipment with the function of preventing the filter sand of the denitrification biological filter from leaking is proposed. Utility Model Content

[0004] The utility model aims to provide a sewage treatment device capable of preventing filter sand from leaking out of a denitrification biological filter tank, and has the advantage of preventing filter sand from leaking out.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sewage treatment equipment capable of preventing the leakage of filter sand in a denitrification biofilter, comprising a bottom plate, a denitrification biofilter body is fixedly connected to the top of the bottom plate, a connecting pipe is connected to the bottom of the left side of the denitrification biofilter body, a filter plate is fixedly connected to the bottom between the two sides of the inner cavity of the denitrification biofilter body, a filter head is fixedly connected to the bottom of the filter plate, a filter sand body is arranged on the top of the filter plate, a baffle is arranged on the top of the filter sand body, water holes are opened on both sides of the top of the baffle, a filter cloth is fixedly connected to the bottom between the two sides of the inner cavity of the water hole, The top of the baffle is fixedly connected with a transverse plate by a first bolt, a box body is provided on the top of the transverse plate, a movable rod is fixedly connected to the axis of the top of the transverse plate, the top of the movable rod passes through the inner cavity of the box body and is fixedly connected with a movable plate, a spring is fixedly connected between the movable plate and the inner cavity of the box body, a damper is fixedly connected to the top of the inner cavity of the box body, a guide shell is provided on the right side of the sand filter body, a guide pipe is connected to the bottom of the guide shell, openings are provided on the left side of the guide shell and the top of the right side of the denitrification biological filter tank body, a bracket is fixedly connected to the top of the box body, and mounting frames are fixedly connected to both sides of the bracket.

[0006] As a preferred solution, a connecting flange is sleeved on the left side of the surface of the connecting pipe, and mounting holes are opened around the top of the base plate.

[0007] As a preferred solution, the mounting frame is fixedly connected to the denitrification biofilter body via a second bolt, and the spring sleeve is arranged on the surface of the damper.

[0008] As a preferred solution, both sides of the bottom of the bracket are fixedly connected with sliding rods, the bottom of the sliding rod surface is sleeved with a sliding sleeve, the sliding sleeve is fixedly connected to the cross plate, and the top of the sliding rod surface is sleeved with a limit plate.

[0009] As a preferred solution, a sliding block is fixedly connected to the bottom of the left side of the guide shell, and a sliding groove matched with the sliding block is provided on the right side of the denitrification biological filter body.

[0010] As a preferred solution, a support plate is fixedly connected to the bottom of the right side of the denitrification biofilter body, and a buffer pad is fixedly connected to the top of the support plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model can prevent the leakage of filtered sand through the baffle, water hole, filter cloth, horizontal plate, box, bracket, mounting frame, movable rod, movable plate, spring and damper, so as to achieve better sewage treatment effect and facilitate people's use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model;

[0015] Figure 3 It is the front view of the structure of the utility model.

[0016] In the figure: 1, bottom plate; 2, denitrification biological filter body; 3, connecting pipe; 4, filter plate; 5, filter head; 6, sand filter body; 7, baffle; 8, water hole; 9, filter cloth; 10, cross plate; 11, box body; 12, movable rod; 13, movable plate; 14, spring; 15, damper; 16, guide shell; 17, guide pipe; 18, opening; 19, bracket; 20, mounting frame; 21, slider; 22, slide; 23, support plate; 24, buffer pad. DETAILED DESCRIPTION

[0017] 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 in 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.

[0018] The bottom plate 1, denitrification biofilter body 2, connecting pipe 3, filter plate 4, filter head 5, sand filter body 6, baffle 7, water hole 8, filter cloth 9, cross plate 10, box 11, movable rod 12, movable plate 13, spring 14, damper 15, guide shell 16, guide pipe 17, opening 18, bracket 19, mounting frame 20, slider 21, slide 22, support plate 23 and buffer pad 24 components of the present application are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0019] Embodiment 1:

[0020] See also Figure 1-Figure 3In order to prevent the sand filter body 6 from leaking, the present embodiment provides the following technical solutions, which specifically disclose: comprising a bottom plate 1, a denitrification biofilter body 2 is fixedly connected to the top of the bottom plate 1, a connecting pipe 3 is connected to the bottom of the left side of the denitrification biofilter body 2, a connecting flange is sleeved on the left side of the surface of the connecting pipe 3, mounting holes are provided around the top of the bottom plate 1, which can facilitate users to connect the sewage discharge pipe, a filter plate 4 is fixedly connected to the bottom between the two sides of the inner cavity of the denitrification biofilter body 2, a filter head 5 is fixedly connected to the bottom of the filter plate 4, a sand filter body 6 is arranged on the top of the filter plate 4, and a connecting flange is sleeved on the left side of the connecting pipe 3. A baffle 7 is arranged, water holes 8 are provided on both sides of the top of the baffle 7, a filter cloth 9 is fixedly connected to the bottom between the two sides of the inner cavity of the water hole 8, a cross plate 10 is fixedly connected to the top of the baffle 7 by a first bolt, a box body 11 is arranged on the top of the cross plate 10, a movable rod 12 is fixedly connected to the axis of the top of the cross plate 10, the top of the movable rod 12 passes through the inner cavity of the box body 11 and is fixedly connected to a movable plate 13, a spring 14 is fixedly connected between the movable plate 13 and the inner cavity of the box body 11, a damper 15 is fixedly connected to the top of the inner cavity of the box body 11, a guide shell 16 is arranged on the right side of the sand filter body 6, and the bottom of the guide shell 16 is connected to There is a guide tube 17, the left side of the guide shell 16 and the top of the right side of the denitrification biofilter body 2 are both provided with openings 18, the top of the box body 11 is fixedly connected with a bracket 19, both sides of the bottom of the bracket 19 are fixedly connected with sliding rods, the bottom of the sliding rod surface is sleeved with a sliding sleeve, the sliding sleeve is fixedly connected to the cross plate 10, and the top of the sliding rod surface is sleeved with a limit plate, which can make the cross plate 10 and all the structures on the cross plate 10 move more smoothly in the vertical direction, both sides of the bracket 19 are fixedly connected with a mounting frame 20, the mounting frame 20 and the denitrification biofilter body 2 are fixedly connected by a second bolt, and the spring 14 is sleeved on On the surface of the damper 15, sewage enters through the connecting pipe 3. When the flow impacts the sand filter body 6, it will drive the movable rod 12 and the movable plate 13 to compress the spring 14 through the baffle 7 and the cross plate 10. Through the cooperation of the spring 14 and the damper 15, the impact can be weakened to protect the baffle 7 and the overall structure on the baffle 7. At the same time, it gives the sand filter body 6 space to ensure that the water flows normally to the top of the baffle 7. At the same time, under the action of the baffle 7 and the filter cloth 9, the sand filter body 6 is prevented from leaking, thereby ensuring the sewage treatment effect. The treated sewage enters the guide shell 16 through the opening 18 and flows out from the guide pipe 17, which is convenient for people to use.

[0021] Embodiment 2:

[0022] See also Figure 1-Figure 3In order to reduce the impact force of falling water, the present embodiment provides the following technical solutions, which specifically disclose: a slider 21 is fixedly connected to the bottom of the left side of the guide shell 16, a chute 22 adapted to the slider 21 is provided on the right side of the denitrification biofilter body 2, a support plate 23 is fixedly connected to the bottom of the right side of the denitrification biofilter body 2, and a buffer pad 24 is fixedly connected to the top of the support plate 23. When sewage enters the guide shell 16 through the opening 18, a falling impact force is generated, and the impact drives the guide shell 16 and the guide pipe 17 to move downward as a whole. Under the action of the buffer pad 24, it is offset to protect the guide shell 16 and the guide pipe 17 and ensure their normal use.

[0023] The working principle of the utility model is that when sewage enters through the connecting pipe 3 and flows to impact the sand filter body 6, the movable rod 12 and the movable plate 13 will be driven to compress the spring 14 through the baffle 7 and the cross plate 10. The spring 14 and the damper 15 cooperate to weaken the impact, so as to protect the baffle 7 and the structure on the baffle 7 as a whole, and at the same time give the sand filter body 6 movable space to ensure that the water flows normally to the top of the baffle 7. At the same time, under the action of the baffle 7 and the filter cloth 9, the sand filter body 6 is prevented from leaking, so as to ensure the sewage treatment effect. The treated sewage enters the guide shell 16 through the opening 18 and flows out from the guide pipe 17, which is convenient for people to use.

[0024] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0025] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those features that are not relevant to implementing the invention).

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A sewage treatment device capable of preventing the leakage of filter sand in a denitrification biological filter, comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a denitrification biofilter body (2); the bottom of the left side of the denitrification biofilter body (2) is connected to a connecting pipe (3); the bottom between the two sides of the inner cavity of the denitrification biofilter body (2) is fixedly connected to a filter plate (4); the bottom of the filter plate (4) is fixedly connected to a filter head (5); the top of the filter plate (4) is provided with a sand filter body (6); the top of the sand filter body (6) is provided with a baffle (7); both sides of the top of the baffle (7) are provided with water holes (8); the bottom between the two sides of the inner cavity of the water hole (8) is fixedly connected to a filter cloth (9); the top of the baffle (7) is fixedly connected to a transverse plate (10) by a first bolt; the top of the transverse plate (10) is provided with a box (11); A movable rod (12) is fixedly connected to the axis of the top of the transverse plate (10); the top of the movable rod (12) penetrates the inner cavity of the box body (11) and is fixedly connected to a movable plate (13); a spring (14) is fixedly connected between the movable plate (13) and the inner cavity of the box body (11); a damper (15) is fixedly connected to the top of the inner cavity of the box body (11); a guide shell (16) is provided on the right side of the sand filter body (6); a guide pipe (17) is connected to the bottom of the guide shell (16); openings (18) are provided on the left side of the guide shell (16) and the top of the right side of the denitrification biofilter body (2); a bracket (19) is fixedly connected to the top of the box body (11); and mounting frames (20) are fixedly connected to both sides of the bracket (19).

2. A sewage treatment equipment capable of preventing the leakage of filter sand in a denitrification biological filter according to claim 1, characterized in that: A connecting flange is sleeved on the left side of the surface of the connecting pipe (3), and mounting holes are provided on all four sides of the top of the bottom plate (1).

3. The sewage treatment equipment capable of preventing the leakage of filter sand in the denitrification biological filter according to claim 1 is characterized in that: The mounting frame (20) is fixedly connected to the denitrification biofilter body (2) via a second bolt, and the spring (14) is sleeved on the surface of the damper (15).

4. The sewage treatment equipment capable of preventing the leakage of filter sand in the denitrification biological filter according to claim 1 is characterized in that: Both sides of the bottom of the bracket (19) are fixedly connected with sliding rods, the bottom of the sliding rod surface is sleeved with a sliding sleeve, the sliding sleeve is fixedly connected to the cross plate (10), and the top of the sliding rod surface is sleeved with a limit plate.

5. The sewage treatment equipment capable of preventing the leakage of filter sand in the denitrification biological filter according to claim 1 is characterized in that: A slider (21) is fixedly connected to the bottom of the left side of the flow guide shell (16), and a slide groove (22) adapted to the slider (21) is provided on the right side of the denitrification biofilter body (2).

6. The sewage treatment equipment capable of preventing the leakage of filter sand in the denitrification biological filter according to claim 1 is characterized in that: A support plate (23) is fixedly connected to the bottom of the right side of the denitrification biofilter body (2), and a buffer pad (24) is fixedly connected to the top of the support plate (23).

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