CN211946427U - Air-water distribution chassis device - Google Patents
Air-water distribution chassis device Download PDFInfo
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- CN211946427U CN211946427U CN202020247400.3U CN202020247400U CN211946427U CN 211946427 U CN211946427 U CN 211946427U CN 202020247400 U CN202020247400 U CN 202020247400U CN 211946427 U CN211946427 U CN 211946427U
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Abstract
The utility model provides an air-water distribution chassis device which is arranged in a denitrification filter tank; a filter material layer is arranged in the denitrification filter; the air-water distribution chassis device is positioned below the filter material layer; the air-water distribution chassis device comprises a main disc; the main disc comprises a water tank and an air distribution disc; the air distribution disc is fixedly arranged above the water tank; the gas distribution plate comprises a main frame; the main frame is a rectangular frame, and the length and width of the outer frame of the main frame correspond to the length and width of the denitrification filter; two long edges of the inner frame of the main frame are fixedly provided with air main pipes through main pipe frames; the length direction of the air main pipe is consistent with that of the main frame; and a plurality of groups of branch pipe units are arranged in parallel between the main air pipes on the two long edges of the inner frame of the main frame. Air water distribution chassis device, the back flush effect in filtering pond can be improved.
Description
Technical Field
The utility model belongs to the sewage treatment field especially relates to an air water distributes chassis device.
Background
In the field of sewage treatment, a post-denitrification biological filter is widely used for removing suspended matters in water, a filter material layer is arranged in the post-denitrification biological filter, and after the filter material is used for a period of time, the filter material layer needs to be backwashed. However, the existing backwashing pipeline often has the defect of uneven gas-water distribution, so that the backwashing effect is influenced, and further the denitrification efficiency of the filter tank is influenced. Therefore, it is necessary to design a gas-water distribution chassis device which is uniform in gas distribution and used for backwashing of the post denitrification biological filter.
Disclosure of Invention
In view of this, the utility model aims at providing an air water distribution chassis device to overcome among the prior art back flush pipeline of rearmounted denitrogenation biological filter and have the uneven problem of air water distribution, and then through the mode that improves back flush effect with the denitrogenation efficiency that improves the filtering pond.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a gas-water distribution chassis device is arranged in a denitrification filter tank; a filter material layer is arranged in the denitrification filter; the air-water distribution chassis device is positioned below the filter material layer; the air-water distribution chassis device comprises a main disc; the main disc comprises a water tank and an air distribution disc; the air distribution disc is fixedly arranged above the water tank; the gas distribution plate comprises a main frame; the main frame is a rectangular frame, and the length and width of the outer frame of the main frame correspond to the length and width of the denitrification filter; two long edges of the inner frame of the main frame are fixedly provided with air main pipes through main pipe frames; the length direction of the air main pipe is consistent with that of the main frame; and a plurality of groups of branch pipe units are arranged in parallel between the main air pipes on the two long edges of the inner frame of the main frame.
Furthermore, the plurality of groups of branch pipe units are symmetrically distributed on two sides of the central axis of the main frame; the lower part of the main frame is fixedly provided with a bearing plate; the upper part of the main frame is fixedly provided with a cover plate.
Furthermore, the branch pipe unit comprises two parallel air branch pipes, and the air inlet ends of the two air branch pipes are fixedly arranged on different air main pipes; the air outlet end of the air branch pipe is fixedly arranged on the bearing plate through a pipe support frame.
Furthermore, a plurality of first flow guide through holes are uniformly distributed on the bearing plate.
Furthermore, a plurality of second flow guide through holes are uniformly distributed on the cover plate; the second flow guide through hole is positioned between two adjacent air branch pipes.
Further, two rows of air outlet holes are formed in the air branch pipe; the included angle between the orientation of the air outlet hole and the vertical surface of the central axis of the air branch pipe is 30-45 degrees.
Further, the denitrification filter tank is respectively communicated with a wastewater tank and a clean water tank; a backwashing water discharge pipe is fixedly connected above the filter material layer of the denitrification filter; the denitrification filter tank is communicated with the wastewater tank through the backwashing water discharge pipe; the water tank is fixedly connected with a back-washing water inlet pipe; a water pump is fixedly arranged on the backwashing water inlet pipe; the water inlet end of the water pump is communicated with the bottom of the clean water tank; the gas distribution disc is fixedly connected with a backwashing gas inlet pipe; and a fan is fixedly arranged on the backwashing air inlet pipe.
Furthermore, the water tank is provided with a water inlet end connected with the backwashing water inlet pipe; the air main pipe is provided with an air inlet end connected with the backwashing air inlet pipe.
Compared with the prior art, air water distribution chassis device have following advantage:
(1) the air water distribution chassis device of the utility model is characterized in that a plurality of groups of branch pipe units are arranged in parallel between the air main pipes, each group of branch pipe units comprises two air branch pipes which are parallel to each other, the air inlet ends of the two air branch pipes are fixedly arranged on different air main pipes, thus ensuring that an ascending air flow with relatively stable air pressure is formed between the two adjacent air branch pipes, and the formed ascending air flow is further homogenized through the second diversion through holes on the cover plate, so that the air pressure of the air flow towards the filter material layer is relatively uniform and stable, the back washing effect is improved, and the denitrification efficiency of the filter tank is further improved;
(2) the air-water distribution chassis device of the utility model is characterized in that a plurality of first flow guide through holes are uniformly distributed on the bearing plate, and a plurality of second flow guide through holes are uniformly distributed on the cover plate, thus having double uniform distribution guiding function on the flow direction of the water used for backwashing and being beneficial to uniformly and stably flushing the water used for backwashing to the filter material layer;
(3) air water distribution chassis device, optimized the mode of seting up of venthole on the air branch pipe, can improve the intensity of back flush.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a simple schematic diagram of the air-water distribution chassis device of the present invention;
fig. 2 is a top view of the main plate according to the present invention;
FIG. 3 is a cross-sectional view of section A-A of FIG. 2;
fig. 4 is a top view of the main tray with the cover plate removed;
fig. 5 is a schematic cross-sectional view of an air branch pipe according to the present invention.
Description of reference numerals:
1-denitrification filter; 2-a filter material layer; 3-a master disc; 31-a water tank; 32-air distribution plate; 321-main frame; 322-a bearing plate; 3221-a first flow guiding through hole; 323-cover plate; 3231-second flow guide through hole; 324-main air pipe; 3241-inlet end; 325-air manifold; 3251-air outlet; 326-main pipe frame; 327-a stinger; 4-a water pump; 5, a fan; 6-backwashing the water inlet pipe; 7-backwashing the air inlet pipe; 8-backwashing the drain pipe; 9-a wastewater tank; 10-clean water pool.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-5, a gas-water distribution chassis device is arranged in a denitrification filter 1; a filter material layer 2 is arranged in the denitrification filter 1; the air water distribution chassis device is positioned below the filter material layer 2; the air-water distribution chassis device comprises a main disc 3; the main tray 3 comprises a water tank 31 and an air distribution tray 32; the air distribution plate 32 is fixedly arranged above the water tank 31; the air distribution plate 32 includes a main frame 321; the main frame 321 is a rectangular frame, and the length and width of the outer frame of the main frame 321 correspond to the length and width of the denitrification filter 1; two long edges of the inner frame of the main frame 321 are fixedly provided with an air main pipe 324 through a main pipe frame 326; the length direction of the air pipe 324 coincides with the length direction of the main frame 321; a plurality of groups of branch pipe units are arranged in parallel between the main air pipes 324 on the two long sides of the inner frame of the main frame 321;
the multiple groups of branch pipe units are symmetrically distributed on two sides of the central axis of the main frame 321; a bearing plate 322 is fixedly arranged at the lower part of the main frame 321; a cover plate 323 is fixedly arranged at the upper part of the main frame 321;
a branch pipe unit including two air branch pipes 325 parallel to each other, and the air inlet ends of the two air branch pipes 325 are fixedly installed on different air main pipes 324; the air outlet end of the air branch pipe 325 is fixedly arranged on the bearing plate 322 through a pipe support 327;
a plurality of first flow guiding through holes 3221 are uniformly arranged on the bearing plate 322, which can uniformly guide the flow direction of the water for backwashing, and help the water for backwashing uniformly and stably flow from the water tank 31 to the air distribution disc 32;
a plurality of second flow guide through holes 3231 are uniformly arranged on the cover plate 323; the second flow guide through hole 3231 is positioned between two adjacent air branch pipes 325; the second guide through hole 3231 can guide both the air flow for backwashing and the water for backwashing, and is helpful for the air for backwashing and the water for backwashing to uniformly and stably flow out of the air distribution plate 32;
two rows of air outlet holes 3251 are arranged on the air branch pipe 325; the included angle between the orientation of the air outlet holes 3251 and the vertical surface of the central axis of the air branch pipe 325 is 30-45 degrees, so that the backwashing strength can be improved;
the denitrification filter tank 1 is respectively communicated with a wastewater tank 9 and a clean water tank 10; a back flush drain pipe 8 is fixedly connected above the filter material layer 2 of the denitrification filter 1; the denitrification filter tank 1 is communicated with a wastewater tank 9 through a back flush drain pipe 8; the water tank 31 is fixedly connected with a back washing water inlet pipe 6; a water pump 4 is fixedly arranged on the back washing water inlet pipe 6; the water inlet end of the water pump 4 is communicated with the bottom of the clean water tank 10; the gas distribution plate 32 is fixedly connected with a backwashing gas inlet pipe 7; a fan 5 is fixedly arranged on the backwashing air inlet pipe 7;
the water tank 31 is provided with a water inlet end connected with the backwashing water inlet pipe 6, and water for backwashing enters the water tank 31 through the backwashing water inlet pipe 6; the main air pipe 324 is provided with an air inlet end 3241 connected to the backwash air inlet pipe 7, and air for backwash is introduced into the main air pipe 324 through the backwash air inlet pipe 7.
The utility model discloses a theory of operation:
when the filter material layer 2 in the denitrification filter tank 1 needs to be backwashed after being used for a period of time, the fan 5 is firstly turned on, and air blown out by the fan 5 enters the air main pipe 324 through the backwashing air inlet pipe 7; then the air flows to the air branch pipes 325 and flows out through air outlet holes 3251 formed in the air branch pipes 325, an ascending air flow with relatively stable air pressure is formed between every two adjacent air branch pipes 325, and the ascending air flow uniformly flows out through second flow guide through holes 3231 in the cover plate 323 and then rushes to the filter material layer 2;
after the preparation work of the air for backwashing is finished, the water pump 4 is started, the water for backwashing flows into the water tank 31 from the clean water tank 10 through the backwashing water inlet pipe 6, then uniformly flows into the air distribution disc 32 through the first flow guide through holes 3221 on the bearing plate 322, then is flushed to the filter material layer 2 through the second flow guide through holes 3231 on the cover plate 323, and backwashing is carried out on the filter material layer 2 from bottom to top; the water used for backwashing flows through the backwashing water discharge pipe 8 to the wastewater tank 9 after reaching above the filter material layer 2.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A gas-water distribution chassis device is arranged in a denitrification filter tank (1); a filter material layer (2) is arranged in the denitrification filter (1); the air-water distribution chassis device is positioned below the filter material layer (2); the method is characterized in that:
comprises a main disc (3); the main disc (3) comprises a water tank (31) and an air distribution disc (32); the air distribution disc (32) is fixedly arranged above the water tank (31); the gas distribution plate (32) comprises a main frame (321); the main frame (321) is a rectangular frame, and the length and width of the outer frame of the main frame (321) correspond to the length and width of the denitrification filter (1); two long edges of the inner frame of the main frame (321) are fixedly provided with an air main pipe (324) through a main pipe frame (326); the length direction of the air main pipe (324) is consistent with that of the main frame (321); a plurality of groups of branch pipe units are arranged in parallel between the main air pipes (324) positioned on the two long sides of the inner frame of the main frame (321).
2. The air-water distribution chassis device according to claim 1, characterized in that: the multiple groups of branch pipe units are symmetrically distributed on two sides of the central axis of the main frame (321); the lower part of the main frame (321) is fixedly provided with a bearing plate (322); the upper part of the main frame (321) is fixedly provided with a cover plate (323).
3. The air-water distribution chassis device according to claim 2, characterized in that: the branch pipe unit comprises two parallel air branch pipes (325), and the air inlet ends of the two air branch pipes (325) are fixedly arranged on different air main pipes (324); the air outlet end of the air branch pipe (325) is fixedly arranged on the bearing plate (322) through a branch pipe frame (327).
4. The air-water distribution chassis device according to claim 3, characterized in that: a plurality of first flow guide through holes (3221) are uniformly distributed on the bearing plate (322); a plurality of second flow guide through holes (3231) are uniformly formed in the cover plate (323); the second flow guide through hole (3231) is positioned between two adjacent air branch pipes (325).
5. The air-water distribution chassis device according to claim 3, characterized in that: two rows of air outlet holes (3251) are formed in the air branch pipe (325); the included angle between the orientation of the air outlet hole (3251) and the vertical plane of the central axis of the air branch pipe (325) is 30-45 degrees.
6. The air-water distribution chassis device according to claim 1, characterized in that: the denitrification filter tank (1) is respectively communicated with a wastewater tank (9) and a clean water tank (10); a back flush drain pipe (8) is fixedly connected above the filter material layer (2) of the denitrification filter tank (1); the denitrification filter tank (1) is communicated with the wastewater tank (9) through the back flush drain pipe (8); the water tank (31) is fixedly connected with a back flush water inlet pipe (6); a water pump (4) is fixedly arranged on the backwashing water inlet pipe (6); the water inlet end of the water pump (4) is communicated with the bottom of the clean water tank (10); the gas distribution disc (32) is fixedly connected with a backwashing gas inlet pipe (7); and a fan (5) is fixedly arranged on the backwashing air inlet pipe (7).
7. The air-water distribution chassis device according to claim 6, characterized in that: the water tank (31) is provided with a water inlet end connected with the backwashing water inlet pipe (6); the air main pipe (324) is provided with an air inlet end (3241) connected with the backwashing air inlet pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020247400.3U CN211946427U (en) | 2020-03-03 | 2020-03-03 | Air-water distribution chassis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020247400.3U CN211946427U (en) | 2020-03-03 | 2020-03-03 | Air-water distribution chassis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211946427U true CN211946427U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020247400.3U Active CN211946427U (en) | 2020-03-03 | 2020-03-03 | Air-water distribution chassis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211946427U (en) |
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2020
- 2020-03-03 CN CN202020247400.3U patent/CN211946427U/en active Active
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