1.原料收集

1. Raw material collection

沼氣發電需要有充足穩定的原料供應，這也是厭氧消化工藝的基礎。用不同的方式收集原料，原料的質量也會存在差異。為了方便就近進行沼氣發酵處理，在養殖場或工廠設計時應當根據當地條件合理安排畜禽糞汙的收集方式和集中地點。

Biogas power generation requires sufficient and stable supply of raw materials, which is also the foundation of anaerobic digestion technology. Collecting raw materials in different ways can result in differences in their quality. In order to facilitate nearby biogas fermentation treatment, the collection methods and centralized locationss of livestock and poultry manure should be reasonably arranged according to local conditions when designing farms or factories.

2.原料預處理

2. Raw material pretreatment

要對原料進行預處理是因為原料中常混雜有生產作業中的各種雜物，這樣做可以減少原料中的懸浮固體含量，便於用泵輸送及防止發酵過程中出現故障，而且預處理還可以根據需要做好原料進入消化器前進行的升溫或降溫工作。

Pre treatment of raw materials is necessary because various impurities from production operations are often mixed in the raw materials. This can reduce the suspended solids content in the raw materials, facilitate pump transportation, and prevent malfunctions during the fermentation process. Moreover, pre-treatment can also perform heating or cooling work as needed before the raw materials enter the digester.

3.厭氧消化係統

3. Anaerobic digestion system

厭氧消化是一個複雜的過程，可概括為三個階段。

Anaerobic digestion is a complex process that can be summarized into three stages.

第一階段：在水解與細菌發酵的作用下，糞汙中的碳水化合物、蛋白質與脂肪轉化為單糖、氨基酸、脂肪酸、甘油、二氧化碳和氫等。

Phase 1: Under the action of hydrolysis and bacterial fermentation, carbohydrates, proteins, and fats in feces are converted into monosaccharides, amino acids, fatty acids, glycerol, carbon dioxide, and hydrogen.

第二階段：第一階段的產物在菌的作用下轉化成氫、二氧化碳和乙酸。

Second stage: The products of the first stage are converted into hydrogen, carbon dioxide, and acetic acid under the action of bacteria.

第三階段，通過兩組生理物性上不同的產甲烷菌的作用，將氫和二氧化碳轉化為甲烷或對乙酸脫羧產生甲烷發酵階段，脂肪酸在專性厭氧菌-產甲烷菌的作用下轉化為CH4和CO2。

In the third stage, hydrogen and carbon dioxide are converted into methane or undergo decarboxylation of acetic acid to produce methane through the action of two groups of methane producing bacteria with different physiological properties. In the fermentation stage, fatty acids are converted into CH4 and CO2 under the action of specialized anaerobic bacteria methanogens.

4.出料的後處理

4. Post processing of discharged materials

處理出料的方式多種多樣，最簡便的方法就是直接施入農田土壤或排入魚塘當作肥料使用，考慮到施肥的季節性和單位麵積的施肥限製等因素，這類工程需要養殖場周邊有足夠的農田、魚塘、植物塘等，以便能夠完全消納經厭氧發酵後的沼渣、沼液，使沼氣利用工程成為生態農業園區的紐帶。

There are various ways to handle the discharge, and the simplest method is to directly apply it to farmland soil or discharge it into fish ponds as fertilizer. Considering the seasonality of fertilization and the limitation of fertilization per unit area, such projects require sufficient farmland, fish ponds, plant ponds, etc. around the breeding farm to fully absorb the anaerobic fermented sludge and slurry, making the biogas utilization project a link in the ecological agricultural park.

5.沼氣發電係統

5. Biogas power generation system

養殖場糞汙厭氧消化過程中會產生大量的沼氣(主要成分是CH4和CO2)，將沼氣進行收集、淨化後送入沼氣好色先生在线观看，在收集、淨化、輸送係統上布置有溫度、氣體濃度、流量等測量元件，並布置有安全閥、阻火器等安全設施。進入好色先生在线观看的沼氣經防爆電磁閥和調壓閥進入機組氣缸、由火花塞點火，混合氣體燃燒做功，帶動發電機發電。經變壓器升壓後並入城市電網，做功後的廢氣經機組排氣口排出。

During the anaerobic digestion process of manure in aquaculture farms, a large amount of biogas (mainly composed of CH4 and CO2) is generated. The biogas is collected and purified before being sent to a biogas generator set. Temperature, gas concentration, flow rate and other measuring elements are arranged on the collection, purification and transportation systems, and safety facilities such as safety valves and flame arresters are also installed. The biogas entering the generator set enters the unit cylinder through the explosion-proof solenoid valve and pressure regulating valve, and is ignited by the spark plug. The mixed gas burns and does work, driving the generator to generate electricity. After being stepped up by a transformer and connected to the urban power grid, the exhaust gas after doing work is discharged through the exhaust port of the unit.

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