JP6147503B2 - 軽質オレフィンを製造する高性能燃焼装置及び流動接触分解方法 - Google Patents
軽質オレフィンを製造する高性能燃焼装置及び流動接触分解方法 Download PDFInfo
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
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Description
Claims (25)
- 2つの個別の部分、具体的には下方部分(17)及び上方部分(18)を有する容器を含む高性能燃焼装置において、前記高性能燃焼装置の中で、油及び使用済み触媒のコークスが燃焼させられ、流動化及び燃焼空気(19)が、1つ又は複数のパイプグリッド分配器(21)を通して乱流流動床(14)の前記下方部分(17)に供給され、灯油(24)が、短いランス(29)、中間長さのランス(30)、及び長いランス(31)を含めた複数のランス(26)を通して供給され、前記複数のランス(26)は、燃焼装置(1)の底部の径方向部分内に異なる2つの高さ(34)に配置され、前記パイプグリッド分配器(21)上方の前記乱流流動床(14)の前記下方部分(17)の中に配置されており、前記使用済み触媒が、傾斜した管又は使用済み触媒スタンド・パイプ(12a)を通して供給され、前記加熱され再生された触媒が、前記流動床(14)の前記下方部分(17)内に配置された再生触媒スタンド・パイプ(12b)を通して前記流動床(14)から除去されることを特徴とする高性能燃焼装置。
- 高温の前記灯油(24)が、前記燃焼装置(1)の前記容器の前記下方部分(17)の周囲から水平に設置された複数のランス(26)を通して分配され、単位断面積あたりのランス/ノズルの最小数が、前記燃焼装置(1)の前記容器の断面積1.0m2毎に1つであり、単位断面積あたりのランス/ノズルの最大数が5.0m2毎に1つであることを特徴とする、請求項1に記載の高性能燃焼装置。
- 高性能噴霧ノズルが、それぞれのランス(26)の先端に設置され、前記ランス(26)が、前記燃焼装置(1)の前記断面に沿って噴霧される前記灯油(24)の完全な分配を促進するために様々な長さであることを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記ランス(26)が、灯油(24)及び噴霧流体(27)を分離供給する少なくとも2つの同心円管の組を含み、前記ランス(26)の前記噴霧ノズルの様々な部分を供給することを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記ランス(26)が、物理的保護誘導管(33)の内部に配置され、洗浄又はパージ流体(32)が、前記ランス(26)の外部本体と前記誘導管(33)との間に形成される前記環状領域内へ供給されることを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記燃焼装置(1)の前記流動床(14)の前記下方部分(17)が、4秒から10秒の間の燃焼中の気体の滞留時間を維持するための触媒インベントリを有することを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記燃焼装置(1)の前記流動床(14)の前記下方部分(17)が、5秒から8秒の間の燃焼中の気体の滞留時間を維持するための触媒インベントリを有することを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記灯油(24)の前記炭素、及び前記使用済み触媒からの前記コークスの前記炭素の大部分が、前記燃焼装置(1)の前記下方部分(17)内の前記流動床(14)内部で、700℃から750℃の間の温度で二酸化炭素へと完全に燃焼されることを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記燃焼装置(1)の前記ランス(26)の前記噴霧ノズルが、前記灯油(24)の重量の15%から30%の間の比率の噴霧流体(27)を用いることを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記燃焼装置(1)の前記ランス(26)の前記噴霧ノズルが、30m/秒から60m/秒の間の速度の噴霧流体のジェットを生み出すことを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記燃焼装置(1)の前記ランス(26)の前記噴霧ノズルが、前記噴霧流体(27)として蒸気を用いることを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記燃焼装置(1)の前記ランス(26)の前記噴霧ノズルが、灯油に対して0.02質量/質量から0.05質量/質量の間の比率の蒸気を有する、前記灯油(24)のための噴霧流体(27)を用いることを特徴とする、請求項11に記載の高性能燃焼装置。
- 前記燃焼装置(1)の前記ランス(26)の前記噴霧ノズルが、灯油に対して0.05質量/質量から0.30質量/質量の間の比率の蒸気を有する、前記灯油(24)のための噴霧流体(27)を用いることを特徴とする、請求項11に記載の高性能燃焼装置。
- 前記燃焼装置(1)内で用いられるべき前記灯油(24)が、10ppm未満の窒素及び硫黄含有量、及び1ppm未満の金属含有量(ソジウム、ニッケル、バナジウム、鉄)を有することを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記燃焼装置(1)の前記ランス(26)の前記噴霧ノズルが、30μmから100μmの間の液滴の灯油(24)を噴霧することができることを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記エネルギー回復システムのための前記燃焼装置(1)の前記上方部分(18)を離れる前記燃焼気体(22)が、無水ベースで算出された1%から5.0%モルの間の過剰酸素含有量を有することを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記空気(19)が、前記燃焼装置(1)の前記パイプグリッド分配器(21)に供給される前に、空気炉(20)を用いて400℃から700℃の間の温度まで加熱されることを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記空気(19)が、前記燃焼装置(1)の前記パイプグリッド分配器(21)に供給される前に、空気炉(20)を用いて550℃から650℃の間の温度まで加熱されることを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記燃焼装置(1)の前記上方部分(18)が、前記触媒を回復し、前記サイクロンの前記脚部又はディップ脚部(16)及び出口ダクトを通して前記流動床(14)へと戻して、前記燃焼ガス(22)をエネルギー回復システムへと移動させる、サイクロン(15)のシステムを備えることを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記灯油(24)が、前記複数のランス(26)を通して供給される前に、前記ランス内部の前記灯油(24)の粘度を5cStから30cStの間に維持しながら、熱交換器(25)を用いて加熱されることを特徴とする、請求項1に記載の高性能燃焼装置。
- 前記灯油(24)が、前記複数のランス(26)を通して供給される前に、前記ランス内部の前記灯油(24)の粘度を10cStから15cStの間に維持しながら、熱交換器(25)を用いて加熱されることを特徴とする、請求項1に記載の高性能燃焼装置。
- 接触分解方法であって、より下方の除去装置(9)に結合される分離容器(10)及び請求項1ないし21のいずれかに記載された高性能燃焼装置(1)が、異なる高さで隣り合い、この構成において、前記再生触媒(12b)及び使用済み触媒(12a)のスタンド・パイプが傾斜させられ、前記燃焼装置(1)の前記容器の外側にあることを特徴とする、接触分解方法。
- 前記使用済み触媒が、高性能燃焼装置(1)の内部で再生されることを特徴とする、請求項22に記載の接触分解方法。
- 前記除去装置(9)からの前記使用済み触媒が、前記灯油(24)を供給する前記ランス(26)より高いレベルに位置決めされた触媒分配器(28)を通して前記燃焼装置(1)の前記流動床(14)内に供給されることを特徴とする、請求項22に記載の接触分解方法。
- 固体粒子の形の希土類元素と潜在的に交換される、Y型ゼオライトと混合されるペンタシル・ゼオライトを主に含む前記触媒上で反応が生じることを特徴とする、請求項22に記載の接触分解方法。
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