CN107388243A - A kind of power station steam fluidized-bed combustion boiler - Google Patents

A kind of power station steam fluidized-bed combustion boiler Download PDF

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Publication number
CN107388243A
CN107388243A CN201710650685.8A CN201710650685A CN107388243A CN 107388243 A CN107388243 A CN 107388243A CN 201710650685 A CN201710650685 A CN 201710650685A CN 107388243 A CN107388243 A CN 107388243A
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Prior art keywords
parts
heater
burner
combustion chamber
standby
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CN201710650685.8A
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Chinese (zh)
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李聪
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Individual
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B31/00Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
    • F22B31/0007Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus with combustion in a fluidized bed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C10/00Fluidised bed combustion apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/06Permanent moulds for shaped castings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/22Moulds for peculiarly-shaped castings
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C30/00Alloys containing less than 50% by weight of each constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C32/00Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/001Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C47/00Making alloys containing metallic or non-metallic fibres or filaments
    • C22C47/08Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C49/00Alloys containing metallic or non-metallic fibres or filaments
    • C22C49/02Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C49/00Alloys containing metallic or non-metallic fibres or filaments
    • C22C49/14Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/04Component parts or details of steam boilers applicable to more than one kind or type of steam boiler and characterised by material, e.g. use of special steel alloy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C10/00Fluidised bed combustion apparatus
    • F23C10/18Details; Accessories

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

The present invention discloses a kind of power station steam fluidized-bed combustion boiler, including body of heater and burner, the body of heater includes secondary combustion chamber, fluid bed and blower fan, the secondary combustion chamber top is provided with mouth, dog-house is provided with the left of the secondary combustion chamber, additional burner is provided with the right side of the secondary combustion chamber, the fluid bed is located at the middle part of body of heater, slag-drip opening is provided with the right side of the fluid bed, the blower fan is located at the lower section of body of heater, the blower fan liter is provided with air compartment, the burner is located at the lower left side of body of heater, the burner includes preheater and combustion chamber, the preheater is located at the left side of burner, the combustion chamber is located at the inside of burner;The power station steam fluidized-bed combustion boiler can fully burning fuel, improve utilization ratio and the advantages of energy-conserving and environment-protective.

Description

A kind of power station steam fluidized-bed combustion boiler
Technical field
The invention belongs to field of electrical equipment, and in particular to a kind of power station steam fluidized-bed combustion boiler.
Background technology
Flame detector can be all set inside boiler furnace, and its effect is that the combustion case in burner hearth is examined in real time Survey, once there are abnormal conditions, will be closed Boiler door automatically by relative control apparatus, and make boiler shutdown.Boiler In use, coking is phenomenon commonplace in coal-burning boiler operation, and it can destroy normal combustion operating mode, reduce boiler Contribute, destroy the bad phenomenons such as normal water circulation, and it is serious when, after the big coke block of boiler can fall in slag cooling bucket, moment production Raw substantial amounts of vapor, negative pressure in stove is caused to fluctuate, after this phenomenon occurs, what flame detector will make a mistake sentences Disconnected, so as to be closed fire door and make boiler shutdown, if this phenomenon frequently occurs, boiler will frequently blowing out and again point Fire, so as to cause the service life of boiler to reduce, the energy is wasted, influences the normal operation of boiler.
Further, since existing boiler is during combustion power generation, and it is too fast due to burning, oxygen deficiency, cause coal And other biological matter fuel can not thoroughly burn in combustion, cause to expend that resource is big, heat is low, in turn resulted in hair The efficiency of electricity is low, can not provide substantial amounts of electric power.
To improve the value of the comprehensive utilization of boiler, it is necessary to which fuel combustion, heating power abundance and section can be promoted by designing one kind The station boiler of energy environmental protection.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind can fully burning fuel, improve utilization ratio and energy-saving ring The power station steam fluidized-bed combustion boiler of guarantor.
To solve the above problems, the present invention adopts the following technical scheme that:
A kind of power station steam fluidized-bed combustion boiler, including body of heater and burner, the body of heater include secondary combustion chamber, fluid bed It is described secondary and blower fan, the secondary combustion chamber top are provided with mouth, and dog-house is provided with the left of the secondary combustion chamber Additional burner is provided with the right side of combustion chamber, the fluid bed is located at the middle part of body of heater, is provided with the right side of the fluid bed Slag-drip opening, the blower fan are located at the lower section of body of heater, and the blower fan liter is provided with air compartment, and the burner is located at the lower-left of body of heater Side, the burner include preheater and combustion chamber, and the preheater is located at the left side of burner, and the combustion chamber is positioned at burning The inside of device.
Further, the top of the body of heater 1 is provided with more than one appendix.
Further, a large amount of solid particles are filled with the fluid bed 7.
Further, it is provided with hand handle on the slag-drip opening 8.
Further, cloth wind distribution plate is provided with the air compartment 10.
Further, the bottom of combustion chamber 12 is provided with oxygen inlet.
A kind of preparation method of body of heater, is made up of the material of following parts by weight:Including iron ore 20-28 parts, chromium powder 4-6 Part, silica 6-9 parts, molybdenum powder 2-4 parts, manganese dioxide 4-8 parts, titanium valve 1-3 parts, pyrochlore 5-10 parts, nitrogen 4-6 parts, carbon Fiber 10-14 parts, nano-ceramic powder 18-26 parts, interstitial solid solution 6-8 parts and magnesia 5-11 parts, comprise the following steps:
1) take iron ore 20-28 parts, silica 6-9 parts, manganese dioxide 4-8 parts and pyrochlore 5-10 parts will in smelting furnace Temperature brings up to 700 DEG C, then adds magnesia 5-11 parts as cosolvent so that above-mentioned material is respectively melted, and obtains metal Liquid, it is standby;
2) metal liquid made from step 1) is merged, metal derby is then moulded to obtain by casting, and cause metal derby Temperature is maintained at 200 DEG C so that metal derby is in flaccid state, and is ceaselessly forged by forging device, inside metal derby Impurity forges removal, standby;
3) metal derby for the free from admixture for having forged step 2) is placed again into smelting furnace, and temperature is brought up to from 700 DEG C 1500 DEG C so that metal derby is fused into metal liquid again, standby;
4) chromium powder 4-6 parts, molybdenum powder 2-4 parts, titanium valve 1-3 parts, carbon fiber 10-14 parts and nano-ceramic powder 18-26 parts are taken It is added in step 3), above-mentioned material is merged with metal liquid fusing by high temperature, alloying metal liquid is made, it is standby;
5) take interstitial solid solution 6-8 parts to be added in step 4) in obtained alloying metal liquid, and pass through high temperature melting Melt, it is standby;
6) alloying metal liquid made from step 5) is moulded into obtain alloy block by casting, then alloy block is quenched and cooled 200 DEG C of temperature is kept to 200 DEG C, and by smelting furnace, it is standby;
7) by the alloy block in step 6) at a temperature of being kept for 200 DEG C, input nitrogen 4-6 parts produce reaction, by not Stop forging, the impurity in alloy block is removed, it is standby;
8) alloy block made from step 7) is put into smelting furnace again, by 1500 DEG C of high temperature melting, then passes through body of heater Punching block casting sizing, after temperature cooling, you can.
The beneficial effects of the invention are as follows:By being provided with body of heater, fuel can be burnt in furnace interior, due to being provided with Blower fan, air inducing can be carried out into body of heater, be advantageous to combustion-supporting, due to being provided with burner, fuel can be lighted, due to being provided with Fluid bed, can filtering poisonous material, reduce environmental pollution, due to being provided with slag-drip opening, noxious material can be discharged, due to Secondary combustion chamber is provided with, can be burnt again, improves efficiency.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of power station steam fluidized-bed combustion boiler of the present invention.
Embodiment
Embodiment 1:
As shown in fig.1, a kind of power station steam fluidized-bed combustion boiler, including body of heater 1 and burner 2, the body of heater 1 include two Secondary combustion chamber 3, fluid bed 7 and blower fan 9, the top of secondary combustion chamber 3 are provided with mouth 4, the left side of the secondary combustion chamber 3 Dog-house 5 is provided with, the right side of the secondary combustion chamber 3 is provided with additional burner 6, and the fluid bed 7 is located in body of heater 1 Portion, the right side of the fluid bed 7 are provided with slag-drip opening 8, and the blower fan 9 is located at the lower section of body of heater 1, and 9 liters of the blower fan is provided with Air compartment 10, the burner 2 are located at the lower left side of body of heater 1, and the burner 2 includes preheater 11 and combustion chamber 12, described pre- Hot device 11 is located at the left side of burner 2, and the combustion chamber 12 is located at the inside of burner 2.
The top of the body of heater 1 is provided with more than one appendix, can be inputted oxygen in body of heater by appendix, Contribute to fuel combustion thorough.
A large amount of solid particles are filled with the fluid bed 7, gas or cigarette can be filtered by solid particle, Barrier noxious material and dust shed.
Hand handle is provided with the slag-drip opening 8, is advantageous to that slag-drip opening is pulled out to and removed filtrate.
Cloth wind distribution plate is provided with the air compartment 10, uniformly can be blown to body of heater.
The bottom of combustion chamber 12 is provided with oxygen inlet, is advantageous to fire-retardant.
A kind of preparation method of body of heater, is made up of the material of following parts by weight:Including 28 parts of iron ore, 4 parts of chromium powder, two 6 parts of silica, 2 parts of molybdenum powder, 4 parts of manganese dioxide, 1 part of titanium valve, 5 parts of pyrochlore, 4 parts of nitrogen, 10 parts of carbon fiber, nano-ceramic powder 5 parts of 18 parts of body, 6 parts of interstitial solid solution and magnesia, comprise the following steps:
1) 5 parts of 28 parts of iron ore, 6 parts of silica, 4 parts of manganese dioxide and pyrochlore is taken to bring up to temperature in smelting furnace 700 DEG C, then add 5 parts of magnesia and be used as cosolvent so that above-mentioned material is respectively melted, and obtains metal liquid, standby;
2) metal liquid made from step 1) is merged, metal derby is then moulded to obtain by casting, and cause metal derby Temperature is maintained at 200 DEG C so that metal derby is in flaccid state, and is ceaselessly forged by forging device, inside metal derby Impurity forges removal, standby;
3) metal derby for the free from admixture for having forged step 2) is placed again into smelting furnace, and temperature is brought up to from 700 DEG C 1500 DEG C so that metal derby is fused into metal liquid again, standby;
4) 18 parts of 4 parts of chromium powder, 2 parts of molybdenum powder, 1 part of titanium valve, carbon fiber 10- parts and nano-ceramic powder is taken to be added to step 3) It is interior, above-mentioned material is merged with metal liquid fusing by high temperature, alloying metal liquid is made, it is standby;
5) 6 parts of interstitial solid solution is taken to be added in step 4) in obtained alloying metal liquid, and by high-temperature fusion, It is standby;
6) alloying metal liquid made from step 5) is moulded into obtain alloy block by casting, then alloy block is quenched and cooled 200 DEG C of temperature is kept to 200 DEG C, and by smelting furnace, it is standby;
7) by the alloy block in step 6) at a temperature of being kept for 200 DEG C, 4 parts of input nitrogen produces reaction, by not stopping Forge, the impurity in alloy block is removed, it is standby;
8) alloy block made from step 7) is put into smelting furnace again, by 1500 DEG C of high temperature melting, then passes through body of heater Punching block casting sizing, after temperature cooling, you can.
Embodiment 2:
As shown in fig.1, a kind of power station steam fluidized-bed combustion boiler, including body of heater 1 and burner 2, the body of heater 1 include two Secondary combustion chamber 3, fluid bed 7 and blower fan 9, the top of secondary combustion chamber 3 are provided with mouth 4, the left side of the secondary combustion chamber 3 Dog-house 5 is provided with, the right side of the secondary combustion chamber 3 is provided with additional burner 6, and the fluid bed 7 is located in body of heater 1 Portion, the right side of the fluid bed 7 are provided with slag-drip opening 8, and the blower fan 9 is located at the lower section of body of heater 1, and 9 liters of the blower fan is provided with Air compartment 10, the burner 2 are located at the lower left side of body of heater 1, and the burner 2 includes preheater 11 and combustion chamber 12, described pre- Hot device 11 is located at the left side of burner 2, and the combustion chamber 12 is located at the inside of burner 2.
The top of the body of heater 1 is provided with more than one appendix, can be inputted oxygen in body of heater by appendix, Contribute to fuel combustion thorough.
A large amount of solid particles are filled with the fluid bed 7, gas or cigarette can be filtered by solid particle, Barrier noxious material and dust shed.
Hand handle is provided with the slag-drip opening 8, is advantageous to that slag-drip opening is pulled out to and removed filtrate.
Cloth wind distribution plate is provided with the air compartment 10, uniformly can be blown to body of heater.
The bottom of combustion chamber 12 is provided with oxygen inlet, is advantageous to fire-retardant.
A kind of preparation method of body of heater, is made up of the material of following parts by weight:Including 20 parts of iron ore, 6 parts of chromium powder, two 9 parts of silica, 4 parts of molybdenum powder, 8 parts of manganese dioxide, 3 parts of titanium valve, 10 parts of pyrochlore, 6 parts of nitrogen, 14 parts of carbon fiber, nano ceramics 11 parts of 26 parts of powder, 8 parts of interstitial solid solution and magnesia, comprise the following steps:
1) 10 parts of 20 parts of iron ore, 9 parts of silica, 8 parts of manganese dioxide and pyrochlore is taken to improve temperature in smelting furnace To 700 DEG C, then add 11 parts of magnesia and be used as cosolvent so that above-mentioned material is respectively melted, and obtains metal liquid, standby;
2) metal liquid made from step 1) is merged, metal derby is then moulded to obtain by casting, and cause metal derby Temperature is maintained at 200 DEG C so that metal derby is in flaccid state, and is ceaselessly forged by forging device, inside metal derby Impurity forges removal, standby;
3) metal derby for the free from admixture for having forged step 2) is placed again into smelting furnace, and temperature is brought up to from 700 DEG C 1500 DEG C so that metal derby is fused into metal liquid again, standby;
4) 26 parts of 6 parts of chromium powder, 4 parts of molybdenum powder, 3 parts of titanium valve, 14 parts of carbon fiber and nano-ceramic powder is taken to be added to step 3) It is interior, above-mentioned material is merged with metal liquid fusing by high temperature, alloying metal liquid is made, it is standby;
5) 8 parts of interstitial solid solution is taken to be added in step 4) in obtained alloying metal liquid, and by high-temperature fusion, It is standby;
6) alloying metal liquid made from step 5) is moulded into obtain alloy block by casting, then alloy block is quenched and cooled 200 DEG C of temperature is kept to 200 DEG C, and by smelting furnace, it is standby;
7) by the alloy block in step 6) at a temperature of being kept for 200 DEG C, 6 parts of input nitrogen produces reaction, by not stopping Forge, the impurity in alloy block is removed, it is standby;
8) alloy block made from step 7) is put into smelting furnace again, by 1500 DEG C of high temperature melting, then passes through body of heater Punching block casting sizing, after temperature cooling, you can.
Embodiment 3:
As shown in fig.1, a kind of power station steam fluidized-bed combustion boiler, including body of heater 1 and burner 2, the body of heater 1 include two Secondary combustion chamber 3, fluid bed 7 and blower fan 9, the top of secondary combustion chamber 3 are provided with mouth 4, the left side of the secondary combustion chamber 3 Dog-house 5 is provided with, the right side of the secondary combustion chamber 3 is provided with additional burner 6, and the fluid bed 7 is located in body of heater 1 Portion, the right side of the fluid bed 7 are provided with slag-drip opening 8, and the blower fan 9 is located at the lower section of body of heater 1, and 9 liters of the blower fan is provided with Air compartment 10, the burner 2 are located at the lower left side of body of heater 1, and the burner 2 includes preheater 11 and combustion chamber 12, described pre- Hot device 11 is located at the left side of burner 2, and the combustion chamber 12 is located at the inside of burner 2.
The top of the body of heater 1 is provided with more than one appendix, can be inputted oxygen in body of heater by appendix, Contribute to fuel combustion thorough.
A large amount of solid particles are filled with the fluid bed 7, gas or cigarette can be filtered by solid particle, Barrier noxious material and dust shed.
Hand handle is provided with the slag-drip opening 8, is advantageous to that slag-drip opening is pulled out to and removed filtrate.
Cloth wind distribution plate is provided with the air compartment 10, uniformly can be blown to body of heater.
The bottom of combustion chamber 12 is provided with oxygen inlet, is advantageous to fire-retardant.
A kind of preparation method of body of heater, is made up of the material of following parts by weight:Including 24 parts of iron ore, 5 parts of chromium powder, two 7 parts of silica, 3 parts of molybdenum powder, 6 parts of manganese dioxide, 2 parts of titanium valve, 8 parts of pyrochlore, 5 parts of nitrogen, 12 parts of carbon fiber, nano-ceramic powder 8 parts of 22 parts of body, 7 parts of interstitial solid solution and magnesia, comprise the following steps:
1) 8 parts of 24 parts of iron ore, 7 parts of silica, 6 parts of manganese dioxide and pyrochlore is taken to bring up to temperature in smelting furnace 700 DEG C, magnesia 5-11 parts are then added as cosolvent so that above-mentioned material is respectively melted, and obtains metal liquid, standby;
2) metal liquid made from step 1) is merged, metal derby is then moulded to obtain by casting, and cause metal derby Temperature is maintained at 200 DEG C so that metal derby is in flaccid state, and is ceaselessly forged by forging device, inside metal derby Impurity forges removal, standby;
3) metal derby for the free from admixture for having forged step 2) is placed again into smelting furnace, and temperature is brought up to from 700 DEG C 1500 DEG C so that metal derby is fused into metal liquid again, standby;
4) 22 parts of 5 parts of chromium powder, 6 parts of molybdenum powder, 5 parts of titanium valve, 12 parts of carbon fiber and nano-ceramic powder is taken to be added to step 3) It is interior, above-mentioned material is merged with metal liquid fusing by high temperature, alloying metal liquid is made, it is standby;
5) 7 parts of interstitial solid solution is taken to be added in step 4) in obtained alloying metal liquid, and by high-temperature fusion, It is standby;
6) alloying metal liquid made from step 5) is moulded into obtain alloy block by casting, then alloy block is quenched and cooled 200 DEG C of temperature is kept to 200 DEG C, and by smelting furnace, it is standby;
7) by the alloy block in step 6) at a temperature of being kept for 200 DEG C, 5 parts of input nitrogen produces reaction, by not stopping Forge, the impurity in alloy block is removed, it is standby;
8) alloy block made from step 7) is put into smelting furnace again, by 1500 DEG C of high temperature melting, then passes through body of heater Punching block casting sizing, after temperature cooling, you can.
Experimental example:
In order to further detect the heat-resisting anti-wear effect of body of heater of the present invention, the present invention has also carried out contrast experiment.
It is of the invention from, as a control group with one, selecting porcelain body of heater as a control group two with common alloy body of heater Alloy body of heater is as experimental group.
By contrast, obtained concrete outcome is as follows:
After tested, the present invention has the advantages of good anti-wear performance, high temperature resistant and obdurability compared with control group.
The beneficial effects of the invention are as follows:By being provided with body of heater, fuel can be burnt in furnace interior, due to being provided with Blower fan, air inducing can be carried out into body of heater, be advantageous to combustion-supporting, due to being provided with burner, fuel can be lighted, due to being provided with Fluid bed, can filtering poisonous material, reduce environmental pollution, due to being provided with slag-drip opening, noxious material can be discharged, due to Secondary combustion chamber is provided with, can be burnt again, improves efficiency.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any The change or replacement expected without creative work, it should all cover within the scope of the present invention.

Claims (5)

  1. A kind of 1. power station steam fluidized-bed combustion boiler, it is characterised in that:Including body of heater and burner, the body of heater includes second-time burning Room, fluid bed and blower fan, the secondary combustion chamber top are provided with mouth, are provided with and feed intake on the left of the secondary combustion chamber Mouthful, additional burner is provided with the right side of the secondary combustion chamber, the fluid bed is located at the middle part of body of heater, the fluid bed Right side is provided with slag-drip opening, and hand handle is provided with the slag-drip opening, and the blower fan is located at the lower section of body of heater, and the blower fan, which rises, to be set There is air compartment, the burner is located at the lower left side of body of heater, and the burner includes preheater and combustion chamber, and the preheater is located at The left side of burner, the combustion chamber are located at the inside of burner, and the body of heater is made up of the material of following parts by weight:Including 20 parts of iron ore, 6 parts of chromium powder, 9 parts of silica, 4 parts of molybdenum powder, 8 parts of manganese dioxide, 3 parts of titanium valve, 10 parts of pyrochlore, nitrogen 6 Part, 14 parts of carbon fiber, 26 parts of nano-ceramic powder, 8 parts of interstitial solid solution and 11 parts of magnesia, the making side of the body of heater Method, comprise the following steps:
    1) take 10 parts of 20 parts of iron ore, 9 parts of silica, 8 parts of manganese dioxide and pyrochlore that temperature is brought up into 700 in smelting furnace DEG C, then add 11 parts of magnesia and be used as cosolvent so that above-mentioned material is respectively melted, and obtains metal liquid, standby;
    2) metal liquid made from step 1) is merged, metal derby is then moulded to obtain by casting, and cause the temperature of metal derby It is maintained at 200 DEG C so that metal derby is in flaccid state, and is ceaselessly forged by forging device, by the impurity inside metal derby Removal is forged, it is standby;
    3) metal derby for the free from admixture for having forged step 2) is placed again into smelting furnace, and temperature is brought up into 1500 DEG C from 700 DEG C, So that metal derby is fused into metal liquid again, it is standby;
    4) take 26 parts of 6 parts of chromium powder, 4 parts of molybdenum powder, 3 parts of titanium valve, 14 parts of carbon fiber and nano-ceramic powder to be added in step 3), lead to Cross high temperature to merge above-mentioned material with metal liquid fusing, alloying metal liquid is made, it is standby;
    5) 8 parts of interstitial solid solution is taken to be added in step 4) in obtained alloying metal liquid, and by high-temperature fusion, it is standby With;
    6) alloying metal liquid made from step 5) is moulded into obtain alloy block by casting, then cooled to alloy block quenching 200 DEG C, and 200 DEG C of temperature is kept by smelting furnace, it is standby;
    7) by the alloy block in step 6) at a temperature of being kept for 200 DEG C, 6 parts of input nitrogen produces reaction, by not stopping to forge, Impurity in alloy block is removed, it is standby;
    8) alloy block made from step 7) is put into smelting furnace again, by 1500 DEG C of high temperature melting, then passes through body of heater punching block Casting sizing, after temperature cooling, you can.
  2. 2. steam fluidized-bed combustion boiler in power station as claimed in claim 1, it is characterised in that:One is provided with above the body of heater Appendix above.
  3. 3. steam fluidized-bed combustion boiler in power station as claimed in claim 1, it is characterised in that:Filled with a large amount of solid in the fluid bed Body particle.
  4. 4. steam fluidized-bed combustion boiler in power station as claimed in claim 1, it is characterised in that:The distribution of cloth wind is provided with the air compartment Plate.
  5. 5. steam fluidized-bed combustion boiler in power station as claimed in claim 1, it is characterised in that:The bottom of combustion chamber is provided with oxygen Import.
CN201710650685.8A 2015-11-10 2015-11-10 A kind of power station steam fluidized-bed combustion boiler Withdrawn CN107388243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710650685.8A CN107388243A (en) 2015-11-10 2015-11-10 A kind of power station steam fluidized-bed combustion boiler

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Application Number Priority Date Filing Date Title
CN201710650685.8A CN107388243A (en) 2015-11-10 2015-11-10 A kind of power station steam fluidized-bed combustion boiler
CN201510762908.0A CN105402708B (en) 2015-11-10 2015-11-10 A kind of power station steam fluidized-bed combustion boiler

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