Novel biological filter tank backwashing gas distribution pipeline system and aeration biological filter tank
A biofilter and gas pipeline technology, applied to loose filter material filters, sustainable biological treatment, filtration and separation, etc., can solve problems such as low backwashing effect, difficulty in uniform gas distribution, and affecting water treatment efficiency, etc., to achieve The filter layer has the effect of improving the filtration interception capacity, increasing the operating cycle, and reducing the amount of water required for backwashing
Pending Publication Date: 2019-08-13
HUNAN SANYOU ENVIRONMENTAL TECH CO LTD
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Problems solved by technology
[0004] It is difficult for the existing backwash air distribution device to achieve uniform air distribution, resulting in low backwash effect and affecting water treatment efficiency
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[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention.
[0028] like Figure 1-3 The shown biofilter backwash gas distribution pipeline system includes a horizontally arranged backwash ga...
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The invention discloses a novel biological filter tank backwashing gas distribution pipeline system and an aeration biological filter tank. The backwashing gas distribution pipeline system comprises abackwashing gas distribution main pipe and a plurality of T-shaped backwashing gas distribution branch pipes communicated with the backwashing gas distribution main pipe, one end of the backwashing gas distribution main pipe is an air inlet, and the other end of the backwashing gas distribution main pipe is closed; the T-shaped backwashing gas distribution branch pipes are uniformly distributed at intervals in the axial direction of the backwashing gas distribution main pipe; each T-shaped backwashing gas distribution branch pipe comprises a horizontal pipe and a vertical pipe, the vertical pipes are perpendicular to the backwashing gas distribution main pipe, and the horizontal pipes are communicated with the backwashing gas distribution main pipe through the vertical pipes; an includedangle is formed between the axial direction of each horizontal pipe and the axial direction of the backwashing gas distribution main pipe, the tail ends of the horizontal pipes are closed, and a plurality of gas holes are formed in the horizontal pipes in the length direction. According to the system, two-stage diversion is carried out on gas supply, and the impact force of backwashing gas on a pipeline can be effectively reduced, so that the service life of the pipeline is prolonged, and the gas supply uniformity, stability and safety of the backwashing gas distribution pipeline system are effectively ensured.
Description
technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a novel biological filter backwash air distribution pipeline system and an aerated biological filter equipped with the system. Background technique [0002] Biological Aerated Filter (BAF) is a new type of biological treatment technology with rapid development. It has the advantages of small footprint, high effluent quality, low investment, flexible and convenient operation, easy management, and strong impact load resistance. Advantages, biological aerated filter technology integrates sewage biological treatment and deep filtration, fully embodies the trend of modern water treatment technology towards compound and integrated development. [0003] After the biological aerated filter has been in operation for a period of time, due to its strong interception, the surface of the filter material will adhere to a large amount of suspended solids in the sewage, and at the same ...
Claims
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IPC IPC(8): C02F3/06B01D24/46
CPCB01D24/4636C02F3/06C02F2303/14C02F2303/16Y02W10/10
Inventor 李玉强陆斌柴晓利彭琼牟悦侯丹
Owner HUNAN SANYOU ENVIRONMENTAL TECH CO LTD
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