阅读说明：本技术 粉浆耦合式气化烧嘴 (Powder slurry coupling type gasification burner ) 是由 付伟贤 高明 彭知顺 王向龙 于 2020-04-10 设计创作，主要内容包括：本发明涉及气化炉烧嘴,特别涉及一种粉浆耦合式气化烧嘴。包括位于中心的水煤浆输送部,水煤浆输送部的下方形成水煤浆雾化反应区,水煤浆输送部的外部还设有用于输送粉煤的粉煤通道和用于输送气化剂的外环氧通道,外环氧通道喷出的气化剂与由粉煤通道喷出的粉煤混合并形成粉煤分散反应区,粉煤分散反应区位于水煤浆雾化反应区的外圈。本申请中,水煤浆雾化反应区位于气化炉的中部,而粉煤分散反应区则位于水煤浆雾化反应区的外周,从而有效的实现了水煤浆雾化反应区和粉煤分散反应区的同时存在,通过该种布置方式实现了对气化炉内部空间最大程度上的利用。(The invention relates to a burner of a gasification furnace, in particular to a powder slurry coupling type gasification burner. The coal water slurry atomization device comprises a coal water slurry conveying part located in the center, a coal water slurry atomization reaction area is formed below the coal water slurry conveying part, a pulverized coal channel used for conveying pulverized coal and an outer epoxy channel used for conveying a gasifying agent are further arranged outside the coal water slurry conveying part, the gasifying agent sprayed out of the outer epoxy channel is mixed with the pulverized coal sprayed out of the pulverized coal channel to form a pulverized coal dispersion reaction area, and the pulverized coal dispersion reaction area is located on the outer ring of the coal water slurry atomization reaction area. In this application, the coal slurry atomization reaction zone is located the middle part of gasifier, and fine coal dispersion reaction zone then is located the periphery in coal slurry atomization reaction zone to the effectual simultaneous existence that has realized coal slurry atomization reaction zone and fine coal dispersion reaction zone has realized utilizing to gasifier inner space at utmost through this kind of arrangement.)

1. The utility model provides a whitewashed slurry manifold type gasification nozzle, is including the coal slurry conveying part that is located the center, the lower square coal slurry atomization reaction zone of coal slurry conveying part, its characterized in that, the outer lane of coal slurry conveying part still is equipped with the outer epoxy passageway that is used for carrying the fine coal passageway of fine coal and is used for carrying the gasification agent, outer epoxy passageway spun gasification agent with fine coal passageway spun fine coal mixes and forms fine coal dispersion reaction zone, fine coal dispersion reaction zone is located the outer lane in coal slurry atomization reaction zone.

2. The slip coupled gasification burner of claim 1, wherein a flow guide portion is disposed at an outlet of the outer epoxy passage, and the flow guide portion is configured to adjust an outlet direction of a gasifying agent so that the gasifying agent drives pulverized coal to move in a direction away from the coal water slurry atomization reaction zone.

3. The slip coupled gasification burner of claim 2, wherein the flow guide portion comprises a plurality of flow guide vanes circumferentially distributed at the outlet of the outer oxygen passage, and the flow guide vanes are inclined toward the outer oxygen passage in the circumferential direction.

4. The pulverized coal slurry coupled gasification burner as claimed in claim 3, wherein the outer ring of the coal water slurry conveying part is provided with the outer epoxy channel and the pulverized coal channel from inside to outside in sequence, the outlet of the pulverized coal channel is inclined inwards, and the outlet of the outer epoxy channel is vertical.

5. The slip-coupled gasification burner of claim 4, wherein the half cone angle of the pulverized coal channel outlet is a1, the angle of inclination of the deflector relative to the vertical direction is a2, and a2-a1 is more than 0 ° between a1 and a 2.

6. The slip coupled gasification burner of claim 4 or 5, wherein a cooling water channel is provided at an outer periphery of the pulverized coal channel.

7. The pulverized coal slurry coupled gasification burner as claimed in claim 3, wherein the pulverized coal channel and the outer epoxy channel are sequentially arranged on the outer ring of the coal water slurry conveying part from inside to outside, the outlet of the outer epoxy channel is inclined inwards, and the outlet of the pulverized coal channel is vertical.

8. The slurry coupling gasification burner of claim 7, wherein the half cone angle of the outlet of the outer epoxy passage is a3, the angle of inclination of the deflector with respect to the vertical direction is a4, and a4-a3 is more than 0 ° between a3 and a 4.

9. The slurry coupled gasification burner nozzle according to claim 7 or 8, wherein a cooling water channel is arranged between the pulverized coal channel and the coal water slurry conveying part, and a fire-resistant layer is arranged outside the outer oxygen channel.

10. The slip coupled gasification burner of claim 7, wherein the width of an annulus where the outer epoxy passage is located is L1, the height of the installation position of the deflector in the outer epoxy passage higher than the outlet of the pulverized coal passage in the horizontal direction is H2, and the distance between H2 and L1 is L1 < H2 < L1/tan (a 3).

11. The slip coupled gasification burner of claim 1, wherein the coal-water slurry delivery portion comprises an inner epoxy passage, a coal-water slurry passage and an intermediate epoxy passage which are sequentially arranged from inside to outside.