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Chemical and physical indexes of cyclone separator for refractory and wear-resistant heat preservation material of circulating fluidized bed boiler

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2018-06-10

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Cyclone separator straight body	corundum palstic YG-GJS-13	Bauxite aggregate 40 Alumina powder 5 Corundum material40 additive15	Fire resistance >1790℃;Volume density > 2.8g /cm3; Normal temperature compressive strength >90 Mpa;Bending strength >9 Mpa; Change rate of reburning line is 0.2%.Thermal shock stability >40 times; Maximum operating temperature 1350℃ Wear < 8 cc	4 years The above	Used for corundum plastics.With the furnace outlet wear-resistant plastic material effect.
Cyclone inlet section	corundum plastic YG-GJS-13	Bauxite aggregate 40 Alumina powder5 Corundum material40 additive15	Fire resistance >1790℃;Volume density > 2.8g /cm3; Normal temperature compressive strength >90 Mpa;Bending strength >9 Mpa; Change rate of reburning line is 0.2%.Thermal shock stability >40 times; Maximum operating temperature 1350℃ Wear < 8 cc	4 years The above	Used for corundum plastics.With the furnace outlet wear-resistant plastic material effect.
Cyclone top	corundum plastic YG-GJS-13	Bauxite aggregate 40 Alumina powder5 Corundum material40 additive15	Fire resistance >1790℃;Volume density > 2.8g /cm3; Normal temperature compressive strength >90 Mpa;Bending strength >9 Mpa; Change rate of reburning line is 0.2%.Thermal shock stability >40 times; Maximum operating temperature 1350℃ Wear < 8 cc	4 years The above	Used for corundum plastics.With the furnace outlet wear-resistant plastic material effect.
Cyclone separator return box	High resistance castableYG-TJ-13	Bauxite aggregate 50 Alumina powder 5 Corundum material 30 additive 15	Fire resistance >1500℃;Volume density: 2.7g/cm3; Normal temperature compressive strength >120Mpa; Normal temperature bending strength >10 Mpa;Wear < 8 cc Change rate of reburning line is 0.2%. Maximum operating temperature 1500℃;	4 years The above

Cyclone separator return leg

High resistance castable

Ceramsite (10-0) 40

Floating bead (dry) 20

Silicon powder 8

Additive 32

Fire resistance >1500℃;Volume density: 2.7g /cm3;

Compressive strength >120Mpa;

Normal temperature bending strength >10 Mpa;Wear < 8 cc

Change rate of reburning line is 0.2%.

Maximum operating temperature 1500℃;

4 years

The above

Divided into three layers:

1. High-strength wear-resisting castable, the main raw materials are :(1) bauxite aggregate, which plays a fire-resistant role;(2) corundum powder plays an wear-resisting role.

Two, lightweight insulation castable, composed of floating beads and bauxite aggregate, to play a role in fire insulation.

Three, aluminum silicate fiberboard, mainly from the expansion and contraction of the abrasive layer of the auxiliary role and a certain degree of insulation.Main material: self-flowing corundum castable, which has been used in various fluidized bed parts for many years, has shown excellent properties such as fire resistance and wear resistance, and has been recognized and praised by users.

Lightweight insulating castable

Ceramsite (10-0) 40

Floating bead (dry) 20

Silicon powder 8

Additive 32

Fire resistance >1200℃;Volume density 0.8g /cm3;

Compressive strength 3Mpa;Change rate of reburning line <0.3%;

Maximum operating temperature 1150℃;

Thermal conductivity 0.28w/m.k

Aluminum silicate fiberboard

Fire resistance >1000℃;Volume density 0.2g/cm3;

Compressive strength 0.8mpa;The change rate of the reburned line was <0.2%

Maximum operating temperature 900℃

Thermal conductivity 0.05w/m.k

Cyclone separator cone section

High resistance castable

Bauxite aggregate 40

Aluminum oxide powder 5

Corundum material 40

Additives for 15

Fire resistance >1790℃;Volume density > 2.8g /cm3;

Normal temperature compressive strength >90 Mpa;Bending strength >9 Mpa;

Change rate of reburning line is 0.2%.Thermal shock stability >40 times;

Maximum operating temperature 1350℃

Wear < 8 cc

4 years

The above

Divided into three layers:

1. High-strength wear-resisting castable, the main raw materials are :(1) bauxite aggregate, which plays a fire-resistant role;(2) corundum powder plays an wear-resisting role.

Two, lightweight insulation castable, composed of floating beads and bauxite aggregate, to play a role in fire insulation.

Three, aluminum silicate fiberboard, the same spin

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