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Integrated livestock wastewater deep treatment device

An advanced treatment and integrated technology, which is applied in animal husbandry wastewater treatment, water/sewage treatment, special compound water treatment, etc., can solve the problems of difficult popularization and application, high treatment cost, low efficiency of total nitrogen and total phosphorus treatment, etc. Achieve the effect of improving disinfection effect and reducing disinfection cost

Pending Publication Date: 2018-12-11
TAIZHOU INST OF SCI &TECH NUST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the known advanced treatment technology of livestock and poultry wastewater has the disadvantages of low total nitrogen and total phosphorus treatment efficiency, poor operation stability, and high treatment cost, so it is difficult to obtain general promotion and application.

Method used

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  • Integrated livestock wastewater deep treatment device

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Embodiment 1

[0017] The device in this example is made of galvanized steel plate and 304 stainless steel, and is a cuboid with a length of 3000mm, a width of 1500mm and a height of 3200mm. The biochemical effluent of livestock and poultry wastewater was selected as the experimental influent, and the effect test was carried out on the treatment device of the present invention. The test results showed that sewage COD decreased from 410 mg / L of influent to 90 mg / L, ammonia nitrogen decreased from 50 to 17, total nitrogen decreased from 65 mg / L to 30 mg / L, and total phosphorus decreased from 9.0 mg / L to 2.5 mg / L, SS decreased from 90 mg / L to 20 mg / L, showing the excellent processing capacity of the device.

[0018] In the present invention, Ca(OH) 2 、CaCL 2 , ozone, sodium persulfate dosage can be adjusted according to the specific conditions of wastewater.

[0019] Working process of the present invention is as follows:

[0020] The waste water enters the reaction tank 28 through the wate...

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PUM

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Abstract

The invention relates to an integrated livestock wastewater deep treatment device. The device is formed by a reaction tank (28), a precipitation tank (27), a clear water tank (26), a nitration biological aerated filter (25), a denitrification biological aerated filter (24), and an ozonation tank (23) which are installed in a device housing (2). The reaction tank (28) and the precipitation tank (27) are positioned at the front end of the device. The clear water tank (26), the nitration biological aerated filter (25) and the denitrification biological aerated filter (24) are positioned in the middle of the device. The ozonation tank (23) is positioned at the tail end of the device. The integrated livestock wastewater deep treatment device is capable of effectively removing COD, ammonia nitrogen, total nitrogen, total phosphorus and suspended matters in livestock wastewater, and finally achieving a strict emission standard, simple in treatment method, low in treatment cost, good in treatment effect, and simple and compact in structure.

Description

Technical field [0001] The invention belongs to the field of sewage advanced treatment equipment, and in particular relates to an integrated livestock and poultry wastewater advanced treatment device. Background technique [0002] The content of ammonia nitrogen, total nitrogen and total phosphorus in livestock and poultry wastewater is high, causing huge pollution to the environment. In order to cope with the predicament, in recent years, continuous and strict supervision measures for livestock and poultry wastewater have been promulgated and implemented, which has caused great environmental pressure on the livestock and poultry breeding industry. Therefore, it is particularly important to carry out advanced treatment of livestock and poultry wastewater. [0003] The currently known advanced treatment technologies for livestock and poultry wastewater have disadvantages such as low treatment efficiency of total nitrogen and total phosphorus, poor operation stability, and hig...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F103/20
CPCC02F9/00C02F1/50C02F1/725C02F1/78C02F3/02C02F2303/04C02F2305/02C02F2001/007C02F2103/20C02F3/28C02F3/30
Inventor 唐国民刘培曹鹏龚怡舒桂沉思连宁曹梦颖
Owner TAIZHOU INST OF SCI &TECH NUST
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