A few does liner of circular fluid-bed boiler design with fireproof material appropriate?

Construction of interior of circular fluid-bed boiler
Basis of liner of circular fluid-bed boiler is different place, fireproof thorn use structure of monolayer, double deck, three-layer.
Special and fireproof material introduces circular fluid-bed boiler: Circular fluid-bed boiler is the new-style boiler that discretion of a kind of efficiency pollutes. Be ground to prevent and partial place is prevented burn caustic, in this model a lot of place in boiler were decorated many fireproof prevent wear stuff, specific place basically is in segregator of air compartment, firebox, tornado, return glassware, outside the place such as flue of buy bed, rear.
Circular fluid-bed boiler uses fireproof material sort various, the wall has argillaceous brick outside, brick of light qualitative heat preservation, tall aluminous brick, liner has all sorts of pouring makings but plastic, corundum Mo Laishi is for instance pouring makings, steel fiber is pouring makings, pledge gently pouring makings, fireproof concrete.
In fluid-bed boiler, the fireproof data that liner uses is divided normally for disparate arrangement of ideas, in order to satisfy the requirement of different position. Generally speaking, the fireproof data design of fluid-bed boiler liner includes the following main arrangement normally:
Rock-bottom (bed layer liner) : This is a bottom, also be the part that contacts fuel and air current directly. Rock-bottom liner normally by tall fireproof spent material is made, wait like corundum, carborundum, wear away in order to resist high temperature is mixed. This one basically is used at propping up combustion stock and ensure the stability of bed layer moves.
Liner of 2 wind area: Be located in rock-bottom upper part, use tall aluminous brick to wait normally tall fireproof spend material. This one basically is used at allocate and directing 2 times wind, have the stability of the combustion of effect and fluid-bed in order to ensure.
Liner of high temperature area: In the high temperature area of fluid-bed boiler, use tall aluminous brick, wear-resisting normally pouring expect or other tall fireproof spend material to resist high temperature and chemistry are eroded. This one is used at bearing of gas of high temperature combustion and solid grain erode, maintain structural integrality at the same time.
Decrease lukewarm area liner: On high temperature area, normally one reduces lukewarm extent, use at cooling combustion gas and solid grain. Decrease lukewarm area liner to be able to use the data such as firebrick, fireproof concrete or fiber of pottery and porcelain, microtherm is spent and prevent material in order to fall to get excessive thermal stress.
Ascendant abbacy liner: Inside the ascendant canal of fluid-bed boiler, use normally tall fireproof spend material, be like firebrick, in order to resist the concussion of high temperature and fluid-bed grain. This one also conduces to the structural stability that maintains conduit.
Cooling wall: What cooling wall is located in boiler normally is exterior, use at the wall outside cooling boiler, in order to prevent excessive warm up. These mural faces can include system of water refrigeration or air refrigeration.
Does circular fluid-bed boiler need to lay what does the place of wear-resisting material have?
 To be bear control a part prevent the wear-resisting that wear away and designs the character that fireproof material still has low heat insulation at the same time, such, the heat of boiler is conducted won't be affected. Fireproof material overburden basically uses this kind of wear-resisting to reach steam in firebox segregator of cold pattern tornado. In the close look area of firebox, bed makings, fill the fuel that add and limestone to mix, and by liquefaction, among them air current be ascendanted takes away lesser grain, heavier grain falls return cloth wind on board face, the grain here has very strong abrasiveness, because this is fireproof of material cover range from cloth wind board begins, outspread all the time to the boundary of perpendicular wall and inclined wall in firebox. Because the bed expects the inhomogenous sex that grain flows to can be inside the chamber of a stove or furnace,screen type heating surface turns reach tilt place of place, starting a hole of the chamber of a stove or furnace, cause wear away, to these places, prevent through adding grind cover board, a variety of add pin steps inside case will achieve prevent the purpose that grind. When flue gas exports an assemble to the chamber of a stove or furnace, the not directional grain that carry meets what create certain level to the place inevitably to wear away, because this is exporting the two side around, upside and bottom have fireproof material covering layer. In overheat screen, reheat screen and evaporate screen bottom bends and the place with the perpendicular direction of going from place to place with flue gas, wear away more serious, this area also should enclothe wear-resisting, fireproof material. Additional, in cold broken bits of wind cold pattern implement inside, cold broken bits implement population is in charge of and inside wait inside the surface also Fu has wear-resisting stuff.
Requirement of the likelihood design because of boiler, work mixes specific liner number of plies and material sort to ask and differ somewhat. When design and choice liner material, need considers high temperature, chemistry integratedly to corrode, the element such as mechanical stress, in order to ensure of boiler move for a long time reliably. The design standard that normally need provides according to boiler manufacturer and proposal undertake choose and be installinged.