沼气脱硫器，是一种沼气运转装置，其特性在于脱硫瓶内的进气口上衔接一个悬空的多孔管，多孔管尽可以长地横向伸入脱硫瓶内腔，多孔管上密布小孔，小孔的孔径小于氧化铁小颗粒的直径。利益在于多孔管的设置，使与氧化铁小颗粒之间的出气道面积大为增大，则出气量大；其次水分部分泡烂氧化铁颗粒但仍能留存部分出气孔；再次在于多孔管悬空设置，使脱硫瓶内水分积压在悬空多孔管下方，不容易泡烂多孔管周边的氧化铁颗粒。
A biogas desulfurizer is a biogas operating device characterized by a suspended porous pipe connected to the inlet of the desulfurization bottle. The porous pipe can extend horizontally into the inner cavity of the desulfurization bottle as long as possible, and the porous pipe is densely covered with small holes, with a pore size smaller than the diameter of small iron oxide particles. The benefit lies in the setting of porous pipes, which greatly increases the area of the air outlet between small iron oxide particles and results in a large air output; Secondly, some of the water soaked iron oxide particles but still retained some of the air vents; Once again, the porous tube is suspended to prevent the accumulation of water in the desulfurization bottle below the suspended porous tube, making it difficult to soak the iron oxide particles around the porous tube.
沼气脱硫器干发脱硫是一种简易而的脱硫办法，一般情况下适宜用于沼气储气量小，硫化氢浓度低的沼气脱硫。干法脱除沼气气体中硫化氢（H2S）的配备根底原理是以O2使H2S 氧化成硫或硫氧化物的一种办法，也可称为干式氧化法。干法配备的构成是，在一个容器内放入填料，填料层有活性炭、氧化铁等。气体以低流速从一端经过容器内填料层，硫化氢（H2S）氧化成硫或硫氧化物后，余留在填料层中，污染后气体沉着器另一端排出。
The dry desulfurization of biogas desulfurizer is a simple and effective desulfurization method, which is generally suitable for biogas desulfurization with small storage capacity and low hydrogen sulfide concentration. The fundamental principle of the dry method for removing hydrogen sulfide (H2S) from biogas gas is a method of using O2 to oxidize H2S into sulfur or sulfur oxides, also known as the dry oxidation method. The composition of the dry method equipment is to place fillers in a container, with a filler layer consisting of activated carbon, iron oxide, etc. The gas passes through the filling layer of the container at a low flow rate from one end, and hydrogen sulfide (H2S) is oxidized to sulfur or sulfur oxides, remaining in the filling layer. After contamination, the gas is discharged from the other end of the sedimenter.
沼气脱硫器干式脱硫重要包括主体钢结构、脱硫剂填料、观察窗、压力表、温度表等组件。脱硫塔一般规划为一用一备，替换运用，即一个脱硫，一个再生。
The dry desulfurization of biogas desulfurizer mainly includes components such as the main steel structure, desulfurizer filler, observation window, pressure gauge, temperature gauge, etc. The desulfurization tower is generally planned as one for use and one for backup, with alternative use, i.e. one for desulfurization and one for regeneration.
干法脱硫步： Fe2O3 · H2O ＋ 3 H2S = Fe2S3 ＋ 4 H2O （脱硫）
Dry desulfurization step: Fe2O3 · H2O+3 H2S=Fe2S3+4 H2O (desulfurization)
二步： Fe2S3 ＋ 3÷2 O2 ＋ 3 H2O = Fe2O3 · H2O ＋ 2 H2O ＋ 3 S（再生）
Step 2: Fe2S3+3 ÷ 2 O2+3 H2O=Fe2O3 · H2O+2 H2O+3 S (regeneration)
富含硫化氢的沼气与底部入口处荷载高的脱硫剂反映，反映器上部是负载低的脱硫剂层，经过规划的沼气空速和线速，干式脱硫能抵达的精脱硫结果。
The biogas rich in hydrogen sulfide is reflected by the desulfurizer with high load at the bottom inlet, and the upper part of the reflector is a low load desulfurizer layer. After planning the biogas airspeed and line speed, the fine desulfurization results can be achieved through dry desulfurization.
在沼气进入干式脱硫塔之前，应设置有冷凝水罐或沼气颗粒过滤器。该装置可以铲除沼气中搀和的颗粒杂志，并使得沼气在进入脱硫前富含必定湿度。
Before biogas enters the dry desulfurization tower, a condensate tank or biogas particle filter should be installed. This device can remove particles mixed in biogas and make biogas rich in certain humidity before entering desulfurization.
当观察到脱硫剂变色，或系统压力丧失过大时，应替换运用另一个脱硫塔。以后的脱硫塔在沼气放空后，进行天然通风，对脱硫剂进行再生。当再失结果欠安时，应从塔体底部将废弃的脱硫剂铲除，在底部排放废弃填料的同时，雷同体积的新颖脱硫填料参与反映器中。
When discoloration of the desulfurization agent or excessive loss of system pressure is observed, another desulfurization tower should be used instead. After the methane is released, the future desulfurization tower will undergo natural ventilation to regenerate the desulfurization agent. When the results are not satisfactory, the waste desulfurizer should be removed from the bottom of the tower body. At the same time as the waste filler is discharged from the bottom, novel desulfurizer fillers of the same volume should be included in the reactor.
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