焦爐煤氣凈化作為焦爐煉焦的配套工藝，其布局與焦爐一致，受上游焦煤資源和下游鋼鐵資源布局的影響；國內煤氣凈化業務存在北重南輕、西重東輕的特點，主要圍繞上游資源端布局。

As a supporting process for coke oven coking, the layout of coke oven gas purification is consistent with that of coke oven, and is influenced by the layout of upstream coking coal resources and downstream steel resources; The domestic gas purification business has the characteristics of being heavy in the north and light in the south, heavy in the west and light in the east, mainly focusing on the upstream resource side layout.

1、行業的周期特性焦爐煤氣凈化作為煉焦的配套工藝，其周期性受煉焦、鋼鐵行業影響大。在工業化階段，鋼鐵作為重化工產業，受固定資產投資、政策調控的影響，存在一定的周期性。但隨著中國經濟進入工業化后期階段，固定資產投資經過高速增長階段后，其周期波動性趨弱；同時隨著鋼鐵和焦化行業去產能的推進，焦爐煤氣凈化供需兩端周期性變動趨弱。

1. The cyclical characteristics of the industry: As a supporting process for coking, coke oven gas purification is greatly influenced by the coking and steel industries in terms of its periodicity. In the industrialization stage, as a heavy chemical industry, steel has a certain periodicity due to the impact of fixed assets investment and policy regulation. However, as China's economy has entered the late stage of industrialization, the cyclical volatility of fixed assets investment has weakened after the rapid growth stage; At the same time, with the promotion of capacity reduction in the steel and coking industries, the cyclical changes in the supply and demand of coke oven gas purification are weakening.

2、焦爐煤氣凈化服務行業發展現狀焦爐煤氣凈化是將煉焦過程中產生的荒煤氣加工處理或精制，除去荒煤氣中的焦油霧、氨、苯類、輕油、硫化物、氰化物、萘和煤氣中的液體（即冷凝氨水等）等大量雜質，最終獲得以氫氣、甲烷等不凝性氣體為主且符合工業或民用標準的精制焦爐煤氣工藝過程。煤氣凈化工藝是伴隨著國內焦爐環保政策趨嚴、深加工副產品價值重視而逐步普及發展起來的配套工藝；

2. The current development status of the coke oven gas purification service industry. Coke oven gas purification is the process of processing or refining the raw gas generated during the coking process, removing a large amount of impurities such as tar mist, ammonia, benzene, light oil, sulfides, cyanides, naphthalene, and liquid in the gas (i.e. condensed ammonia water, etc.), and ultimately obtaining a refined coke oven gas process that mainly produces non condensable gases such as hydrogen and methane and meets industrial or civilian standards. The gas purification process is a supporting technology that has gradually become popular and developed with the tightening of domestic coke oven environmental protection policies and the emphasis on the value of deep processing by-products;

焦化廠自備電廠：焦化企業在生產焦炭過程中會產生大量焦爐煤氣（富含氫氣、甲烷等可燃成分）。傳統方式可能直接排放或點燃放散（“點天燈”），而發電機組可將其轉化為電能，供廠區自用或并網銷售。

Coking plant self owned power plant: Coking enterprises produce a large amount of coke oven gas (rich in combustible components such as hydrogen and methane) during the production of coke. The traditional method may directly discharge or ignite the discharge ("sky light"), while the generator set can convert it into electrical energy for the factory's own use or grid connected sales.

從 2004 年國家首次公布《焦化準入條件》，明確規定新建或改造焦爐要同步配套建設煤氣凈化設施。近十多年來我國焦爐煤氣凈化工藝通過不斷引進國外先進技術和創新發展，已經步入世界先進行列。目前國內常規焦爐和半焦爐已全部配套煤氣凈化工藝。從業務屬性來看，煤氣凈化及加工原材料來源于焦爐煤氣，產品精制煤氣用于工業和民用領域，工業領域主要為軋鋼、煉鋼使用。

Since the first announcement of the "Coking Access Conditions" by the government in 2004, it has been clearly stipulated that the construction or renovation of coke ovens must be accompanied by the construction of gas purification facilities. In the past decade, China's coke oven gas purification process has entered the world's advanced ranks through continuous introduction of advanced foreign technologies and innovative development. At present, all conventional coke ovens and semi coke ovens in China are equipped with gas purification processes. From the perspective of business attributes, the raw materials for gas purification and processing come from coke oven gas, and the refined gas products are used in industrial and civilian fields. The industrial field mainly uses steel rolling and steelmaking.

焦爐煤氣凈化作為焦爐煉焦的配套工藝，目前國內焦爐項目新建均需要產能置換，目前各地政策均采取“等量或減量置換”的方式。受此影響，國內焦爐及其煤氣凈化業務存在較高的行業準入壁壘。

As a supporting process for coke oven coking, coke oven gas purification requires capacity replacement for new coke oven projects in China. Currently, policies in various regions adopt the method of "equal or reduced replacement". As a result, there are high industry entry barriers for domestic coke ovens and their gas purification businesses.

焦化設施一次性投資較高，工藝和設備的選擇對裝置投產后的安全、穩定和環保運行非常關鍵，需要雄厚的資金實力和專業技術力量支持，因此存在一定的資金壁壘和技術壁壘。

The one-time investment in coking facilities is relatively high, and the selection of processes and equipment is crucial for the safe, stable, and environmentally friendly operation of the equipment after it is put into operation. It requires strong financial and professional technical support, so there are certain financial and technical barriers.

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