CN212016861U - High-efficient easy abluent filter material filtering ponds - Google Patents
High-efficient easy abluent filter material filtering ponds Download PDFInfo
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- CN212016861U CN212016861U CN201921892468.0U CN201921892468U CN212016861U CN 212016861 U CN212016861 U CN 212016861U CN 201921892468 U CN201921892468 U CN 201921892468U CN 212016861 U CN212016861 U CN 212016861U
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- backwashing
- aeration
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- filter material
- pipe
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Abstract
A filter material filtering tank with high efficiency and easy cleaning belongs to the technical field of sewage treatment. The filter material filtering tank with high efficiency and easy cleaning comprises a filtering tank, a backwashing water distribution system, a first layer aeration system and a second layer aeration system. The backwashing water distribution system comprises a backwashing water pump, a backwashing water inlet valve and a backwashing water distribution pipe; the first layer of aeration system comprises a first backwashing fan, a first air outlet valve and a first aeration pipe; the second layer aeration system comprises a second backwashing fan, a second air outlet valve and a second aeration pipe. This filtering ponds can thoroughly wash high depth filtering pond through setting up backwash water distribution system, first layer aeration system and second floor aeration system, effectively prevents the filter material scale deposit, prolongs the live time of filter material, improves backwash efficiency. The first layer aeration system and the second layer aeration system of the filter tank can select aeration pipes with different treatment capacities according to actual needs, and are suitable for sewage filtration systems of different sewage treatment plants.
Description
Technical Field
The utility model relates to a high-efficient easy abluent filter material filtering ponds, it belongs to sewage treatment technical field.
Background
The filter is an important working section of a sewage deep treatment system of a sewage treatment plant. Generally, different filter materials are selected as fillers according to the purpose of filtration and the condition of waste water. For industrial wastewater with a pH value of 8-8.5, after long-term operation, filter materials of the filter tank are hardened due to scaling caused by high alkalinity, the water passing capacity of the filter tank is reduced due to the hardened filter materials, and local water non-passing occurs in severe cases. In addition, when the filter chamber is backwashed, the outlet pressure of the backwashing fan due to hardening of the filter material can be increased, so that the load of the backwashing fan is increased, and the backwashing efficiency of the filter chamber is reduced. At present, no sewage filtering tank which effectively prevents the hardening of filtering materials and is easy to clean exists.
Disclosure of Invention
For solving the problem that exists among the prior art, the utility model provides a high-efficient easy abluent filter material filtering ponds.
The utility model provides a technical scheme that prior art problem adopted: a high-efficiency easy-cleaning filter material filtering tank comprises a filtering tank, wherein the inside of the filtering tank consists of a water inlet layer, a filter material hole type supporting plate, a water discharging layer and a sewage discharging layer from top to bottom, a water inlet valve is arranged on the side wall of the water inlet layer, a water discharging valve is arranged on the side wall of the water discharging layer, a sewage discharging valve is arranged on the side wall of the sewage discharging layer, the filtering tank further comprises a backwash water distribution system, a first layer aeration system and a second layer aeration system, the backwash water distribution system comprises a backwash water pump, a backwash water inlet valve and a backwash water distribution pipe, a backwash water outlet weir groove is arranged at the top of the filter material layer, and two water outlet channels which are directly communicated with the sewage discharging layer are respectively arranged at two ends of the; the backwashing water pump, the backwashing valve and the backwashing water inlet valve are arranged outside the filter tank, the water inlet of the backwashing water pump is connected with the front pipeline of the drain valve through the pipeline and the backwashing valve, the water outlet of the backwashing water pump is connected with the backwashing water distribution pipe arranged at the upper part of the sewage draining layer through the pipeline and the backwashing water inlet valve, and the backwashing water distribution pipe is provided with a plurality of water outlet holes;
the first layer aeration system comprises a first backwashing fan and a first aeration pipe, the first backwashing fan is connected with the first aeration pipe through a first air outlet valve, the first backwashing fan and the first air outlet valve are arranged outside the filter tank, the first aeration pipe is arranged at the bottom of the filter material hole type supporting plate, and a plurality of first air outlet holes are formed in the first aeration pipe;
the second layer aeration system comprises a second backwashing fan and a second aeration pipe, the second backwashing fan is connected with the second aeration pipe through a second air outlet valve, the second backwashing fan and the second air outlet valve are arranged outside the filter tank, the second aeration pipe is embedded in the filter material layer, the distance between the second aeration pipe and the water inlet layer is one third of the height of the filter material layer, and a plurality of second air outlet holes are formed in the second aeration pipe;
and a water distribution plate is arranged on the side wall of the water inlet valve.
The first aeration pipe and the second aeration pipe comprise aeration main pipes and aeration branch pipes, and the aeration main pipes are connected with the plurality of aeration branch pipes through branch pipe joints.
First aeration pipe and second aeration pipe adopt stainless steel, and every 80mm sets up a first venthole on the aeration branch pipe of first aeration pipe, and the diameter of first venthole is 5.0mm, and every 50mm sets up a second venthole on the aeration branch pipe of second aeration pipe, and the diameter of second venthole is 2.0mm, sets up a apopore every 50mm on the water spray branch pipe of backwash water distribution pipe, and the diameter of apopore is 5.0 mm.
The total height of the filter material layer is 1.8m, pebbles with the diameter of 25mm are stacked at the position of 0-0.3m from bottom to top in the filter material layer, pebbles with the diameter of 12mm are stacked at the position of 0.3-0.6m, quartz sand with the diameter of 6mm is stacked at the position of 0.6-1.2m, and quartz sand with the diameter of 4mm is stacked at the position of 1.2-1.8 m.
The backwashing water distribution pipe can be a commonly used backwashing water distribution pipe in the existing sewage treatment field, and can also be a structure the same as that of the aeration pipe.
The utility model has the advantages that: the high-efficiency easy-to-clean filter material filtering tank comprises a filtering tank, a backwashing water distribution system, a first layer aeration system and a second layer aeration system, wherein the backwashing water distribution system comprises a backwashing water pump, a backwashing water inlet valve and a backwashing water distribution pipe, the first layer aeration system comprises a first backwashing fan, a first air outlet valve and a first aeration pipe, and the second layer aeration system comprises a second backwashing fan, a second air outlet valve and a second aeration pipe. This filtering ponds can thoroughly wash high depth filtering pond through setting up backwash water distribution system, first layer aeration system and second floor aeration system, effectively prevents the filter material scale deposit, prolongs the live time of filter material, improves backwash efficiency. The first layer aeration system and the second layer aeration system of the filter tank can select aeration pipes with different treatment capacities according to actual needs, and are suitable for sewage filtration systems of different sewage treatment plants.
Drawings
Fig. 1 is a structural front view of a high-efficiency easy-cleaning filter material filtering tank.
Fig. 2 is a structural plan view of a filtering material filtering tank which is high in efficiency and easy to clean.
Fig. 3 is a view a-a in fig. 1.
Fig. 4 is a view B-B in fig. 1.
In the figure: 1. the filter comprises a filter tank 1a, a water inlet layer, a filter material layer 1b, a filter material layer 1c, a filter material hole type supporting plate 1d, a water drainage layer 1e, a sewage drainage layer 1a1, a water inlet valve 1d1, a water outlet valve 1d2, a backwashing valve 1e1, a sewage discharge valve 2, a backwashing water pump 3, a backwashing water inlet valve 4, a backwashing water distribution pipe 4a, a water outlet hole 5, a first backwashing fan 6, a first air outlet valve 7, a first aeration pipe 7a, an aeration dry pipe 7b, a branch pipe joint 7c, an aeration branch pipe 7c, a first air outlet hole 7c1, a second air outlet fan 8, a second backwashing fan 9, a second air outlet valve 10, a second aeration pipe 10c1, a second air outlet hole 11, a backwashing water outlet weir groove 11a, a water outlet channel 12 and a water distribution plate.
Detailed Description
The present invention is described below with reference to the accompanying drawings and the embodiments:
fig. 1, 2, 3 and 4 show a structure diagram of a filter material filtering tank with high efficiency and easy cleaning. In the figure, the filter material filtering tank with high efficiency and easy cleaning comprises a filtering tank 1, a backwashing water distribution system, a first layer aeration system and a second layer aeration system, wherein the inside of the filtering tank 1 consists of a water inlet layer 1a, a filtering material layer 1b, a filtering material hole type supporting plate 1c, a drainage layer 1d and a sewage drainage layer 1e from top to bottom, the side wall of the water inlet layer 1a is provided with a water inlet valve 1a1, the side wall of the drainage layer 1d is provided with a drainage valve 1d1, and the side wall of the sewage drainage layer 1e is provided with a sewage drainage valve 1e 1. The backwash water distribution system comprises a backwash water pump 2, a backwash water inlet valve 3 and a backwash water distribution pipe 4, wherein a backwash water outlet weir notch 11 is arranged at the top of a filter material layer 1b, water outlet channels 11a which are directly communicated with a sewage discharge layer 1e are respectively arranged at two ends of the backwash water outlet weir notch 11, and by adopting the structure, backwash water overflows into the backwash water outlet weir notch 1 after passing through the filter material layer 1b and then flows into the sewage discharge layer 1e from the water outlet channels 11a at the two ends. The backwashing water pump 2, the backwashing valve 1d2 and the backwashing water inlet valve 3 are arranged outside the filter tank 1, the water inlet of the backwashing water pump 2 is connected with the front pipeline of the drain valve 1d1 through the pipeline and the backwashing valve 1d2, the water outlet of the backwashing water pump 2 is connected with the backwashing water distribution pipe 4 arranged at the upper part of the sewage drainage layer 1e through the pipeline and the backwashing water inlet valve 3, and the backwashing water distribution pipe 4 is provided with a plurality of water outlet holes 4 a;
the first layer aeration system comprises a first backwashing fan 5 and a first aeration pipe 7, the first backwashing fan 5 is connected with the first aeration pipe 7 through a first air outlet valve 6, the first backwashing fan 5 and the first air outlet valve 6 are arranged outside the filter tank 1, the first aeration pipe 7 is arranged at the bottom of the filter material hole type supporting plate 1c, and the first aeration pipe 7 is provided with a first air outlet hole 7c 1.
The second layer aeration system comprises a second backwashing fan 8 and a second aeration pipe 10, the second backwashing fan 8 is connected with the second aeration pipe 10 through a second air outlet valve 9, the second backwashing fan 8 and the second air outlet valve 9 are arranged outside the filter tank 1, the second aeration pipe 10 is embedded in the filter material layer 1b, the distance from the water inlet layer 1a is one third (600 mm) of the height of the filter material layer 1b, and a second air outlet hole 10c1 is arranged on the second aeration pipe 10.
The side wall of the water inlet valve 1a1 is provided with a water distribution plate 12, a triangular water distribution groove is formed between the water distribution plate 12 and the inner side wall of the filter tank 1, and the water inlet of the water inlet valve 1a1 can be ensured to be uniformly distributed and flow into the filter material layer 1 b.
The first aeration pipe 7 and the second aeration pipe 10 comprise a main aeration pipe 7a and branch aeration pipes 7c, and the main aeration pipe 7a is connected with five branch aeration pipes 7c through branch pipe joints 7 b.
The first aeration pipe 7 and the second aeration pipe 10 are made of stainless steel, a first air outlet 7c1 is arranged on an aeration branch pipe 7c of the first aeration pipe 7 every 80mm, the diameter of the first air outlet 7c1 is 5.0mm, a second air outlet 10c1 is arranged on an aeration branch pipe of the second aeration pipe 10 every 50mm, the diameter of the second air outlet 10c1 is 2.0mm, a water outlet 4a is arranged on a water spray branch pipe of the backwashing water distribution pipe 4 every 50mm, and the diameter of the water outlet 4a is 5.0 mm.
The total height of the filter material layer 1b is 1.8m, pebbles with the diameter of 25mm are stacked at the position of 0-0.3m from bottom to top in the filter material of the filter material layer 1b, pebbles with the diameter of 12mm are stacked at the position of 0.3-0.6m, quartz sand with the diameter of 6mm is stacked at the position of 0.6-1.2m, and quartz sand with the diameter of 4mm is stacked at the position of 1.2-1.8 m.
The high-efficiency easy-cleaning filter material filtering tank adopts the working principle of back washing by aeration and water flushing as follows: when the filter tank needs backwashing, firstly, the drain valve 1d1 of the filter tank 1 is closed, the backwashing valve 1d2 is opened, when the liquid level of the filter tank is higher than the side plate of the backwashing water outlet weir groove 11, the water inlet valve 1a1 of the filter tank is closed, the second air outlet valve 9 is opened, and the second backwashing fan 8 is started to operate the second-layer aeration system. And after the second backwashing fan 8 operates for 15min, opening the first air outlet valve 6, and starting the first backwashing fan 5 to operate the first layer aeration system. And after the first backwashing fan 5 operates for 15min, the backwashing water inlet valve 3 is opened, and the backwashing water pump 2 is started to operate the backwashing water distribution system. And after the backwashing water pump 2 operates for 20 min, the second backwashing fan 8 is closed, and the second air outlet valve 9 is closed. And stopping the first backwashing fan 5 after 10min, closing the first air outlet valve 6, and closing the backwashing water pump 2, the backwashing valve 1d2 and the backwashing water inlet valve 3. And opening a drain valve 1e1 of the filter, closing the drain valve 1e1 after 10min, opening a drain valve 1d1 and a water inlet valve 1a1 of the filter, and recovering the filter to a normal water inlet filtering state again. In the process of cleaning the filter, the running time of the backwashing water distribution system, the first layer aeration system and the second layer aeration system can be changed or repeated backwashing can be carried out according to actual needs.
Claims (4)
1. The utility model provides a high-efficient easy abluent filter material filtering ponds, it includes filtering pond (1), the inside in filtering pond (1) from top to bottom is by water intaking layer (1 a), filtering material layer (1 b), filter material cellular type layer board (1 c), water drainage layer (1 d) and blowdown layer (1 e) constitute, set up water intaking valve (1 a 1) on the lateral wall of water intaking layer (1 a), set up drain valve (1 d 1) on the lateral wall of drainage layer (1 d), set up blowoff valve (1 e 1) on the lateral wall of blowdown layer (1 e), characterized by: the backwashing water distribution system comprises a backwashing water pump (2), a backwashing water inlet valve (3) and a backwashing water distribution pipe (4), wherein a backwashing water outlet weir notch (11) is formed in the top of a filter material layer (1 b), and water outlet channels (11 a) which are directly communicated with a sewage drainage layer (1 e) are respectively formed in two ends of the backwashing water outlet weir notch (11); the backwashing water pump (2), the backwashing valve (1 d 2) and the backwashing water inlet valve (3) are arranged outside the filter tank (1), the water inlet of the backwashing water pump (2) is connected with the front pipeline of the drain valve (1 d 1) through the pipeline and the backwashing valve (1 d 2), the water outlet of the backwashing water pump (2) is connected with the backwashing water distribution pipe (4) arranged at the upper part of the sewage drainage layer (1 e) through the pipeline and the backwashing water inlet valve (3), and the backwashing water distribution pipe (4) is provided with a plurality of water outlet holes (4 a);
the first layer aeration system comprises a first backwashing fan (5) and a first aeration pipe (7), the first backwashing fan (5) is connected with the first aeration pipe (7) through a first air outlet valve (6), the first backwashing fan (5) and the first air outlet valve (6) are arranged outside the filter tank (1), the first aeration pipe (7) is arranged at the bottom of the filter material hole type supporting plate (1 c), and a plurality of first air outlet holes (7 c 1) are arranged on the first aeration pipe (7);
the second layer aeration system comprises a second backwashing fan (8) and a second aeration pipe (10), the second backwashing fan (8) is connected with the second aeration pipe (10) through a second air outlet valve (9), the second backwashing fan (8) and the second air outlet valve (9) are arranged outside the filter tank (1), the second aeration pipe (10) is embedded in a filter material layer (1 b), the distance from a water inlet layer (1 a) is one third of the height of the filter material layer (1 b), and a plurality of second air outlet holes (10 c 1) are formed in the second aeration pipe (10);
a water distribution plate (12) is arranged on the side wall of the water inlet valve (1 a 1).
2. The high-efficiency easy-to-clean filter material filtering pool as claimed in claim 1, which is characterized in that: the first aeration pipe (7) and the second aeration pipe (10) comprise aeration main pipes (7 a) and aeration branch pipes (7 c), and the aeration main pipes (7 a) are connected with the plurality of aeration branch pipes (7 c) through branch pipe joints (7 b).
3. The high-efficiency easy-to-clean filter material filtering pool as claimed in claim 1, which is characterized in that: first aeration pipe (7) and second aeration pipe (10) adopt stainless steel, every 80mm sets up a first venthole (7 c 1) on aeration branch pipe (7 c) of first aeration pipe (7), the diameter of first venthole (7 c 1) is 5.0mm, second aeration pipe (10) filter material layer every 50mm sets up a second venthole (10 c 1), the diameter of second venthole (10 c 1) is 2.0mm, every 50mm sets up a apopore (4 a) on the water spray branch pipe of backwash water distribution pipe (4), the diameter of apopore (4 a) is 5.0 mm.
4. The filter material filtering pond with the efficient and easy-to-clean function as claimed in claim 1, wherein the total height of the filter material layer (1 b) is 1.8m, pebbles with the diameter of 25mm are stacked at the position of 0-0.3m from bottom to top in the filter material of the filter material layer (1 b), pebbles with the diameter of 12mm are stacked at the position of 0.3-0.6m, quartz sand with the diameter of 6mm is stacked at the position of 0.6-1.2m, and quartz sand with the diameter of 4mm is stacked at the position of 1.2-1.8 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921892468.0U CN212016861U (en) | 2019-11-05 | 2019-11-05 | High-efficient easy abluent filter material filtering ponds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921892468.0U CN212016861U (en) | 2019-11-05 | 2019-11-05 | High-efficient easy abluent filter material filtering ponds |
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| Publication Number | Publication Date |
|---|---|
| CN212016861U true CN212016861U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921892468.0U Active CN212016861U (en) | 2019-11-05 | 2019-11-05 | High-efficient easy abluent filter material filtering ponds |
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| CN (1) | CN212016861U (en) |
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- 2019-11-05 CN CN201921892468.0U patent/CN212016861U/en active Active
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