沼氣能源的建立一方面可以補充農村消費和生活的能源需求；另一方面，可以減少工業消費中有機廢水和生活垃圾對環境的危害。沼氣池中的沼氣可用于家庭能源消耗、農副產品消費和加工等，也可用于沼氣發電、沼氣燃料電池等。沼液用于消耗肥料、飼料、生物農藥和培養液。沼渣用于肥料和飼料消耗。沼氣工程中能源的多層次應用和材料的循環應用，建立了以沼氣為紐帶的生態經濟體系，完成了環境與經濟的雙贏，促進了循環經濟的可持續發展。
On the one hand, the establishment of biogas energy can supplement the energy demand of rural consumption and life; On the other hand, it can reduce the harm of organic wastewater and domestic waste to the environment in industrial consumption. The biogas in the biogas digester can be used for household energy consumption, consumption and processing of agricultural and sideline products, as well as biogas power generation, biogas fuel cell, etc. Biogas slurry is used to consume fertilizer, feed, biological pesticides and culture medium. Biogas residue is used for fertilizer and feed consumption. The multi-level application of energy and the circular application of materials in biogas engineering have established an ecological economic system linked by biogas, completed the win-win of environment and economy, and promoted the sustainable development of circular economy.
當沼氣壓力不滿足用戶要求時，應在沼氣脫硫系統中設置專門的沼氣增壓器。增壓器的選擇應符合以下規則:。
When the biogas pressure does not meet the user's requirements, a special biogas booster shall be set in the biogas desulfurization system. The selection of supercharger shall comply with the following rules:.
1.升壓器的流量應根據用戶每小時的用氣量來確定，壓力應根據用戶所需的壓力和升壓器出口與用戶之間的阻力之和來確定；
1. The flow of the booster shall be determined according to the hourly gas consumption of the user, and the pressure shall be determined according to the sum of the pressure required by the user and the resistance between the booster outlet and the user;
2.升壓機組并聯工作平臺的數量不應超過3個，其中一個應備用。
2. The number of parallel working platforms of step-up unit shall not exceed 3, one of which shall be standby.
沼氣脫硫系統中的增壓器應安裝在單獨的增壓器室內，增壓器的布局應符合以下規則:
The supercharger in the biogas desulfurization system shall be installed in a separate supercharger room, and the layout of the supercharger shall comply with the following rules:
1.增壓器之間、增壓器與墻之間的通道寬度應根據增壓器型號、運行維護要求等因素確定；
1. The channel width between superchargers and between supercharger and wall shall be determined according to supercharger model, operation and maintenance requirements and other factors;
2.升壓前應設置緩沖裝置，沼氣在緩沖裝置中的停留時間不應小于3s；緩沖裝置應配有截止閥和上下限報警裝置；當沼氣儲量處于下限時，應能夠通過加壓設備關閉自動切斷閥聯鎖；
2. A buffer device shall be set before boosting, and the residence time of biogas in the buffer device shall not be less than 3S; The buffer device shall be equipped with stop valve and upper and lower limit alarm device; When the biogas reserve is at the lower limit, it shall be able to close the automatic shut-off valve interlock through the pressurizing equipment;
3.每個增壓器的出口管道上應設置止回閥；增壓機組的出口主管和進口主管之間應設置回流管；出口主管道設置阻火器；
3. Check valve shall be set on the outlet pipe of each supercharger; A return pipe shall be set between the outlet main pipe and the inlet main pipe of the booster unit; Flame arrester shall be set for the main outlet pipeline;
4.增壓機組前應設置現場緊急停止按鈕。
4. The emergency stop button on site shall be set before the booster unit.
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