CN102964103A - Foam cement containing desulfurized petroleum coke ash-residue admixture - Google Patents

Foam cement containing desulfurized petroleum coke ash-residue admixture Download PDF

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Publication number
CN102964103A
CN102964103A CN2012105105674A CN201210510567A CN102964103A CN 102964103 A CN102964103 A CN 102964103A CN 2012105105674 A CN2012105105674 A CN 2012105105674A CN 201210510567 A CN201210510567 A CN 201210510567A CN 102964103 A CN102964103 A CN 102964103A
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China
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desulfurization
ash
refinery coke
adulterant
petroleum coke
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李秋义
秦原
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Qingdao University of Technology
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Qingdao University of Technology
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Priority to CN2012105105674A priority Critical patent/CN102964103A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention belongs to the field of building materials, and particularly relates to foam cement containing desulfurized petroleum coke ash-residue admixture. The foam cement consists of the following components in percentage by mass: (1) 30-90% of sulphoaluminate cement, (2) 1-30% of desulfurized petroleum coke ash-residue admixture and (3) 0-60% of coal ash, wherein the desulfurized petroleum coke ash-residue admixture is desulfurized petroleum coke residue powder or/and desulfurized petroleum coke ash; the desulfurized petroleum coke residue powder is the powder obtained by grinding the desulfurized petroleum coke residue generated after desulfurization combustion of petroleum coke in a circulating fluidized bed boiler (CFB); and the desulfurized petroleum coke ash is the fly ash collected by dust collection equipment in the desulfurization combustion process of petroleum coke in the CFB. According to the invention, by adding the desulfurized petroleum coke ash-residue admixture and the coal ash, reasonable utilization of industrial waste residues is realized, the cost is reduced, and the performance of cement is effectively improved; and the foam cement can be used for producing various foam thermal insulation products instead of the existing sulphoaluminate cement, and has very broad prospects in market application.

Description

The foam cement that contains desulfurization refinery coke lime-ash adulterant
Technical field
The invention belongs to building material field, relate to a kind of foam cement, be specially a kind of foam cement that contains desulfurization refinery coke lime-ash adulterant.
Background technology
Building energy conservation is the important component part of save energy.In " National Program for Medium-to Long-term Scientific and Technological Development (2006~the year two thousand twenty) ", building energy conservation and green building are classified as Priority setting.Because organic insulation material is easily aging to come off, the later maintenance expense is high, need change, exist after 25 years the problem such as disaster hidden-trouble, and foam cement is as a kind of inorganic light heat insulation material, overcome the drawback of traditional organic insulation material, have broad application prospects, its main moulding process is: slip utilizes physics or chemical process to introduce bubble in whipping process, form the foam cement mixture, the mixture rear expansion that pours into the mold is formed.According to the difference of mold shape, thereby can produce difform foam cement product.Foam cement commonly used comprises various aluminosulfate cements at present, adopt aluminosulfate cement to prepare foaming thermal-insulating and have the advantages that rate of set is fast, gain in strength is fast, but the aluminosulfate cement price is higher, and the economy of its goods is to be improved.
Refinery coke is the product of refinery delayed coking unit, has that calorific value height, ash content are low, characteristics such as nitrogen sulphur content height and volatile matter are low.According to the difference of sulphur content, can divide Behavior of High-sulfur Petroleum Coke (sulphur content is more than 3%) and low-sulfur burnt (sulphur content is below 3%).Before the nineties in last century, China's oil refining industry is mainly processed the crude oil of low sulfur content, and the refinery coke of production has good industrial application performance, can replace coke for the production of the high-quality steel, also can produce the electrode that uses in the industries such as electrolytic aluminum, electrolytic copper.Because domestic former shortage of oil has rolled up imported crude oil quantity in recent years, the refinery of building in the coastland is mainly processed Middle East high-sulfur crude oil.A large amount of exploitations along with world oil, the quality of crude oil worse and worse, the sulphur content of the refinery coke of delayed coker produces is up to 5~8%, be used for steel industry and can fall steel quality, be used for aluminum electrolysis industry and can reduce production efficiency, the chemical industry that is not suitable for having relatively high expectations and metallurgical industry, refinery coke mainly is used as the fuel of Industrial Boiler at present.
According to statistics, the crude oil in China import volume had reached 17,888 ten thousand tons in 2008, increased by 9.6% than the last year, and will increase year by year.Capacity of petroleum coke is about the 25%-30% of coking raw material oil, will reach ten thousand tons of 4000-5000 every year, at present main fuel as circular fluid bed (CFB).Combustion technology of circulating fluidized is efficient, the oligosaprobic clean burning technology that develops rapidly in recent years, and its principal feature is fuel and sweetening agent Wingdale through low-temperature burning and the desulphurization reaction of repeatedly circulating, and desulfuration efficiency surpasses 90%, can reach environmental protection standard.But the merits and demerits of burning in circulating fluid bed boiler refinery coke all clearly.Its advantage is to finish sweetening process in burning, do not need the pulverized coal preparation process, its shortcoming is that calcium to sulphur mole ratio is high, and take the refinery coke sulphur content as 5%~6% as example, amount of lime is about 40%~50% of refinery coke, need the powder process of auxiliary construction Wingdale, delivery system, bed drain purge is substantially identical with amount of lime, two CFB boiler years of population in Zhenhai Refine-Chemical Company consumption refinery coke 296kT, year consumption Wingdale 130kT, the about 130kT of bed drain purge, the utility value of deslagging is not high at present.Popularization along with this clean burning technology, circular fluid bed (CFB) products of combustion---the output of desulfurization refinery coke lime-ash is also increasing, how to clean and reasonably utilize these infant industry waste materials, avoid new environmental pollution, become a new problem.
How could realize better the clean utilization of desulfurization refinery coke lime-ash, these industrial wastes are become effective renewable resource, create more economic benefit and social benefit, be a social difficult problem that needs to be resolved hurrily.
Summary of the invention
The object of the present invention is to provide and a kind ofly can utilize multiple industrial waste, economy and performance be the more superior foam cement that contains desulfurization refinery coke lime-ash adulterant all.
The foam cement that the present invention contains desulfurization refinery coke lime-ash adulterant is achieved in that and it is characterized in that each component and mass percentage content are:
(1) aluminosulfate cement: 30% ~ 90%;
(2) desulfurization refinery coke lime-ash adulterant: 1% ~ 30%, desulfurization refinery coke lime-ash adulterant is that desulfurization refinery coke ground-slag is or/and desulfurization oil charred ashes, wherein, desulfurization refinery coke ground-slag is that the desulfurization oil cinder that refinery coke produces behind circular fluid bed (CFB) desulfurizing combustion passes through the powder that levigate processing is made again, and desulfurization oil charred ashes is the flying dust that refinery coke is collected through dust collection device in circular fluid bed (CFB) the desulfurizing combustion process;
(3) flyash 0 ~ 60%.
Wherein, the essential mineral composition of desulfurization refinery coke ground-slag and desulfurization oil charred ashes is CaSO 4(II) and CaO.
In order to guarantee the activity of desulfurization refinery coke lime-ash adulterant, the fineness of the desulfurization refinery coke ground-slag that adopts among the present invention and desulfurization oil charred ashes all is not less than 100 orders.
During application, add in the present invention an amount of water, specifically can carry out about the requirement of water with reference to JGJ 63-2006.In addition, in order to produce the gas of capacity in application process, the present invention contains in the foam cement of desulfurization refinery coke lime-ash adulterant can also add the chemical gas generation agent, and described chemical gas generation agent comprises hydrogen peroxide solution, magnesium powder, zinc powder or aluminium powder etc.The used in amounts that it is pointed out that the chemical gas generation agent will be adjusted according to extrudate density, also can utilize in actual applications physical blowing to come the instead of chemical foaming agent to produce gas, for example can adopt physical foaming machine to get bubble by being filled with air-making.In addition, for the bubble that guarantees to produce in the use procedure more stable, bubble distribution more even, the present invention contains in the foam cement of desulfurization refinery coke lime-ash adulterant can also add suds-stabilizing agent.Described suds-stabilizing agent comprises calcium stearate, animal proteinum or vegetable-protein etc.
Industrial residue such as irrational utilization are with the serious harm social environment, the foam cement that the present invention contains desulfurization refinery coke lime-ash adulterant is for rationally, utilize the industrial wastes such as flyash and desulfurization refinery coke lime-ash that a kind of new approach is provided cleanly, make the scope of selecting material of foam cement more extensive, cost is reduced, and so that the performance of foam cement improve.Its principle is, the CaSO in the desulfurization refinery coke lime-ash adulterant 4(II) and CaO can participate in C 3A 3.CaSO 4Hydration, accelerate setting and harden, improve the degree of compactness of hydrated product, and improve the intensity of final finished product.In addition, mix desulfurization refinery coke lime-ash adulterant after, the setting rate of sulplo-aluminate foam cement product improves, and grout is condensed rapidly in the phase in bubble stabilizes, prevents bubble collapse.
The present invention is on the basis of existing aluminosulfate cement, by adding desulfurization refinery coke lime-ash adulterant and flyash, not only can realize the reasonable utilization to industrial residue, reduced cost, can also effectively improve performance, can substitute the production that existing aluminosulfate cement is used for various foamed heat insulating goods, market application foreground is very wide.
Embodiment
Embodiment one
The desulfurization refinery coke lime-ash adulterant that the desulfurization refinery coke lime-ash of producing take Qingdao oil refining factory is made is as example, and the analysis showed that through X-fluorescence spectrograph (XRF) and x-ray diffractometer (XRD): the essential mineral composition of desulfurization refinery coke ground-slag is CaSO 4(II) and CaO, wherein CaSO 4The mass percentage content of (II) is that the mass percentage content of 42.6%, CaO is 52.1%; The essential mineral composition of desulfurization oil charred ashes is similarly CaSO 4(II) and CaO, wherein CaSO 4The mass percentage content of (II) is that the mass percentage content of 51.0%, CaO is 21.8%.
Use above-mentioned desulfurization refinery coke lime-ash adulterant and prepare the foam cement that the present invention contains desulfurization refinery coke lime-ash adulterant, each component and mass percentage content thereof are as follows:
(1) 42.5 grade of aluminosulfate cement: 85%;
(2) desulfurization refinery coke lime-ash adulterant: 5%, be specially 100 order desulfurization refinery coke ground-slags;
(3) second class powered coal ash: 10%;
The below is to make cement foaming insulation board as example, the application method that the present invention is contained the foam cement of desulfurization refinery coke lime-ash adulterant is elaborated, add hydrogen peroxide solution in the production as chemical foaming agent, add calcium stearate as suds-stabilizing agent, comprise the steps:
(a) aluminosulfate cement, desulfurization refinery coke lime-ash adulterant, flyash and calcium stearate are mixed together and stir according to prescription, wherein, the consumption of calcium stearate contains 0.6% calculating of the foam cement total mass of desulfurization refinery coke lime-ash adulterant by the present invention;
(b) add entry by ratio of water to material 0.7,30 ℃ of water temperatures stirred 2 minutes, and slurry is stirred;
(c) adding concentration is 27.5% hydrogen peroxide solution, and consumption contains 5% calculating of the foam cement total mass of desulfurization refinery coke lime-ash adulterant, stirring at low speed half a minute by the present invention;
(d) slurry is poured in the mould, the quiet bubble of stopping paying out, then form removal after 8 hours puts into cutting facility cutting;
(e) the warming plate embryo plastic film wrapped maintenance after will cutting until finish curing cycle, obtains end article.
According to the warming plate of this routine described prescription and making method preparation, density is about 240kg/m 3, ultimate compression strength is about 0.42MPa, and thermal conductivity is about 0.058W/ (mk).Compare with the warming plate that only adopts the same process parameter to prepare with 42.5 grades of aluminosulfate cements, owing to added desulfurization refinery coke lime-ash adulterant in the present invention's prescription, accelerated condensing of slurry, demould time can shorten about 10%, and along with the increase of desulfurization refinery coke lime-ash adulterant consumption, demould time can also further shorten; In addition, owing to added desulfurization refinery coke lime-ash adulterant in the present invention's prescription, can promote the growth of getting up early intensity, the cracking that collapse bubble and the rate of set that can prevent that foam cement product from causing because steady bubble effect in the production process is bad causes excessively slowly, and then improved the Performance and quality of warming plate.
Present embodiment describes application of the present invention as suds-stabilizing agent as chemical foaming agent, adding calcium stearate to add hydrogen peroxide solution in producing, in the practical application, also can use other chemical foaming agents or suds-stabilizing agent, such as utilizing the materials such as aluminium powder magnesium powder or zinc powder to be used for the present invention as the chemical gas generation agent, the consumption of chemical gas generation agent can be adjusted according to extrudate density, suds-stabilizing agent can also be animal proteinum or vegetable-protein, can both realize same effect.Need to prove; based on above-mentioned application method; the present invention contains in the prescription of foam cement of desulfurization refinery coke lime-ash adulterant also can directly comprise chemical foaming agent and suds-stabilizing agent, also can realize same effect, also among the protection domain that the present invention requires.For example, the present invention in this example contains the foam cement of desulfurization refinery coke lime-ash adulterant, just can comprise aluminosulfate cement, desulfurization refinery coke lime-ash adulterant, flyash, calcium stearate and hydrogen peroxide solution in its prescription, described in the proportion relation such as this example of above-mentioned five kinds of materials, owing to adopted the hydrogen peroxide solution of liquid as chemical foaming agent, so in preparation process of the present invention, should be with chemical foaming agent and other several component barrier packagings, remix is together when using.Based on this principle, in the prescription of other embodiment of the present invention, also can comprise chemical foaming agent or/and suds-stabilizing agent is described in the lump at this, no longer be repeated in this description.
Industrial residue such as irrational utilization are with the serious harm social environment, the foam cement that the present invention contains desulfurization refinery coke lime-ash adulterant is for rationally, utilize the industrial wastes such as flyash and desulfurization refinery coke lime-ash that a kind of new approach is provided cleanly, make the scope of selecting material of foam cement more extensive, cost is reduced, and so that the performance of foam cement improve.Its principle is, the CaSO in the desulfurization refinery coke lime-ash adulterant 4(II) and CaO can participate in C 3A 3.CaSO 4Hydration, accelerate setting and harden, improve the degree of compactness of hydrated product, and improve the intensity of final finished product.In addition, after mixing desulfurization refinery coke lime-ash adulterant, the setting rate of sulplo-aluminate foam cement product improves, grout is condensed rapidly in the phase in bubble stabilizes, prevent bubble collapse, simultaneously, the generation of alkaline carbonic acid calcium has not only improved the intensity of cement products, and the aquation of tricalcium silicate had promoter action, and then improve the later strength of foaming product.This know-why equally also is applicable to other embodiments of the invention, illustrates in the lump at this, no longer is repeated in this description.
The present invention is on the basis of existing aluminosulfate cement, by adding desulfurization refinery coke lime-ash adulterant and flyash, not only can realize the reasonable utilization to industrial residue, reduced cost, can also effectively improve performance, it can substitute the production that existing aluminosulfate cement is used for various foamed heat insulating goods, and market application foreground is very wide.
Embodiment two
The desulfurization refinery coke lime-ash adulterant that the desulfurization refinery coke lime-ash that still Qingdao oil refining factory produces in the embodiment one is made is as example, be with the difference of embodiment one, this routine described the present invention contains in the foam cement of desulfurization refinery coke lime-ash adulterant, and each component and mass percentage content thereof are as follows:
(1) 42.5 grade of aluminosulfate cement: 30%;
(2) desulfurization refinery coke lime-ash adulterant: 30%, described desulfurization refinery coke lime-ash adulterant is that 160 purpose desulfurization oil charred ashes and desulfurization refinery coke ground-slag mix by 1:1 by fineness specifically;
(3) second class powered coal ash: 40%;
The below is to be filled in the holllow building block as light heat insulation material as example, the application method that the present invention is contained the foam cement of desulfurization refinery coke lime-ash adulterant is elaborated, add hydrogen peroxide solution in the production as chemical foaming agent, add calcium stearate as suds-stabilizing agent, specifically comprise the steps:
(a) aluminosulfate cement, desulfurization refinery coke lime-ash adulterant, flyash and calcium stearate are mixed together and stir according to prescription, wherein, the consumption of calcium stearate contains 1.1% calculating of the foam cement total mass of desulfurization refinery coke lime-ash adulterant by the present invention;
(b) add entry by ratio of water to material 1.2,33 ℃ of water temperatures stirred 2 minutes, and slurry is stirred;
(c) adding concentration is 27.5% hydrogen peroxide solution, and consumption contains 12% calculating of the foam cement total mass of desulfurization refinery coke lime-ash adulterant, stirring at low speed half a minute by the present invention;
(d) slurry is poured in the holllow building block into the quiet bubble of stopping paying out;
(e) part that will emerge after 3 hours more than the holllow building block is removed, and stacks maintenance, until finish curing cycle, obtains end article.
According to the light heat insulation material of this routine described prescription and making method preparation, its density is about 90kg/m 3, thermal conductivity is about 0.042W/ (mk).
Foam cement slurry behind the adding desulfurization refinery coke lime-ash adulterant is because hydration rate is fast, the very fast retrogradation of slurry, can when high water-cement ratio, make light heat insulation material, the light-weight thermal insulation material product that finally obtains is compared with aluminosulfate cement goods under the same process Parameter Conditions, has that density is light, pore is little, the advantage of high insulating effect.
This example is described to be contained in the prescription of foam cement of desulfurization refinery coke lime-ash adulterant, use less aluminosulfate cement, the industrial wastes such as desulfurization refinery coke lime-ash and flyash have been used in a large number, thereby not only can effectively reduce cost, can also utilize simultaneously more multiplex's industry solid waste, not only economy but also environmental protection.
Embodiment three
Be that with the difference of embodiment one this routine described the present invention contains in the foam cement of desulfurization refinery coke lime-ash adulterant, each component and mass percentage content thereof are as follows:
(1) 42.5 grade of aluminosulfate cement: 30%;
(2) desulfurization refinery coke lime-ash adulterant: 10%, be 200 purpose desulfurization oil charred ashes by fineness specifically;
(3) second class powered coal ash: 60%;
Still to be filled in the holllow building block as light heat insulation material as example, the application method that the present invention is contained the foam cement of desulfurization refinery coke lime-ash adulterant is elaborated, add hydrogen peroxide solution in the production as chemical foaming agent, add calcium stearate as suds-stabilizing agent, specifically comprise the steps:
(a) aluminosulfate cement, desulfurization refinery coke lime-ash adulterant, flyash and calcium stearate are mixed together and stir according to prescription, wherein, the consumption of calcium stearate contains 1.0% calculating of the foam cement total mass of desulfurization refinery coke lime-ash adulterant by the present invention;
(b) add entry by ratio of water to material 1,30 ℃ of water temperatures stirred 2 minutes, and slurry is stirred;
(c) adding concentration is 27.5% hydrogen peroxide solution, and consumption contains 11% calculating of the foam cement total mass of desulfurization refinery coke lime-ash adulterant, stirring at low speed half a minute by the present invention;
(d) slurry is poured in the holllow building block into the quiet bubble of stopping paying out;
(e) part that will emerge after 3 hours more than the holllow building block is removed, and stacks maintenance, until finish curing cycle, obtains end article.
According to the light heat insulation material of this routine described prescription and making method preparation, density is about 100kg/m 3, thermal conductivity is about 0.048W/ (mk).
This routine described the present invention contains in the prescription of foam cement of desulfurization refinery coke lime-ash adulterant, used less aluminosulfate cement, by multiviscosisty, the rapid hardening effect of desulfurization oil charred ashes, mixing still can be for the preparation of light heat insulation material behind a large amount of flyash.The foam cement made of aluminosulfate cement 55% and flyash 45% proportioning by mass percentage, can under the same process Parameter Conditions, make light-weight thermal insulation material product, itself and prescription of the present invention can make goods possess faster rate of set, and then obtain the performance index lightweight porous heat insulating materials similar, high heat preservation performance such as density and thermal conductivity.But the present invention produces the cost of every cubic metre of light heat insulation material and can save 22 yuan except multiplex's industry solid waste of can dissolving more.
Embodiment four
Be that with the difference of embodiment one this routine described the present invention contains in the foam cement of desulfurization refinery coke lime-ash adulterant, each component and mass percentage content thereof are as follows:
(1) 42.5 grade of aluminosulfate cement: 90%;
(2) desulfurization refinery coke lime-ash adulterant: 10%, specifically fineness is 160 purpose desulfurization refinery coke ground-slags;
The below is to make cement foaming insulation board as example, the application method that this routine described the present invention is contained the foam cement of desulfurization refinery coke lime-ash adulterant is elaborated, add hydrogen peroxide solution in the production as chemical foaming agent, add calcium stearate as suds-stabilizing agent, comprise the steps:
(a) aluminosulfate cement, desulfurization refinery coke lime-ash adulterant and calcium stearate are mixed together and stir according to prescription, wherein, the consumption of calcium stearate contains 0.6% the calculating of foam cement total mass of desulfurization refinery coke lime-ash adulterant by the present invention;
(b) add entry by ratio of water to material 0.65,30 ℃ of water temperatures stirred 2 minutes, and slurry is stirred;
(c) adding concentration is 27.5% hydrogen peroxide solution, and consumption contains 5.5% calculating of the foam cement total mass of desulfurization refinery coke lime-ash adulterant, stirring at low speed half a minute by the present invention;
(d) slurry is poured in the mould, the quiet bubble of stopping paying out, then form removal after 8 hours puts into cutting facility cutting;
(e) the warming plate embryo plastic film wrapped maintenance after will cutting until finish curing cycle, obtains end article.
According to the warming plate of this routine described quality proportioning and making method preparation, density is about 230kg/m 3, ultimate compression strength is about 0.45MPa, and thermal conductivity is about 0.056W/ (mk).The warming plate that this prescription finally makes is compared with the warming plate of only producing by same process with 42.5 grades of aluminosulfate cements, not only can solve the bubble that collapses, perforation, the problems of crack that cause slowly owing to rate of set, can also improve the about 0.5MPa of ultimate compression strength of warming plate.
Embodiment five
Be that with the difference of embodiment one this routine described the present invention contains in the foam cement of desulfurization refinery coke lime-ash adulterant, each component and mass percentage content thereof are as follows:
(1) 42.5 grade of aluminosulfate cement: 90%;
(2) desulfurization refinery coke lime-ash adulterant: 1%, specifically fineness is 160 purpose desulfurization refinery coke ground-slags;
(3) second class powered coal ash: 9%;
The below is to make cement foaming insulation board as example, the application method that this routine described the present invention is contained the foam cement of desulfurization refinery coke lime-ash adulterant is elaborated, add hydrogen peroxide solution in the production as chemical foaming agent, add calcium stearate as suds-stabilizing agent, comprise the steps:
(a) aluminosulfate cement, desulfurization refinery coke lime-ash adulterant and calcium stearate are mixed together and stir according to prescription, wherein, the consumption of calcium stearate contains 0.6% the calculating of foam cement total mass of desulfurization refinery coke lime-ash adulterant by the present invention;
(b) add entry by ratio of water to material 0.65,30 ℃ of water temperatures stirred 2 minutes, and slurry is stirred;
(c) adding concentration is 27.5% hydrogen peroxide solution, and consumption contains 5.5% calculating of the foam cement total mass of desulfurization refinery coke lime-ash adulterant, stirring at low speed half a minute by the present invention;
(d) slurry is poured in the mould, the quiet bubble of stopping paying out, then form removal after 8 hours puts into cutting facility cutting;
(e) the warming plate embryo plastic film wrapped maintenance after will cutting until finish curing cycle, obtains end article.
According to the warming plate of this routine described quality proportioning and making method preparation, density is about 220kg/m 3, ultimate compression strength is about 0.42MPa, and thermal conductivity is about 0.055W/ (mk).The warming plate that this prescription finally makes is compared with the warming plate of only producing by same process with 42.5 grades of aluminosulfate cements, can solve because the bubble that collapses, perforation, the problems of crack that rate of set causes slowly.
Embodiment six
Be that with the difference of embodiment one this routine described the present invention contains in the foam cement of desulfurization refinery coke lime-ash adulterant, each component and mass percentage content thereof are as follows:
(1) 42.5 grade of aluminosulfate cement: 60%;
(2) desulfurization refinery coke lime-ash adulterant: 20%, be 200 purpose desulfurization oil charred ashes by fineness specifically;
(3) second class powered coal ash: 20%;
The below is to make cement foaming insulation board as example, the application method that this routine described the present invention is contained the foam cement of desulfurization refinery coke lime-ash adulterant is elaborated, utilize physical foaming machine to make bubble in the production, and add animal proteinum as suds-stabilizing agent, comprise the steps:
(a) by mechanical means the animal proteinum suds-stabilizing agent is prepared into foam;
(b) in aluminosulfate cement, desulfurization refinery coke lime-ash adulterant and flyash by the prescription allotment, add entry, make slurry, foam is joined carry out mix and blend in the slip again;
(c) casting in mould, maintenance was cut after 8 hours;
(d) the warming plate embryo plastic film wrapped maintenance after will cutting until finish curing cycle, obtains end article.
According to the warming plate of this routine described quality proportioning and making method preparation, density is about 250kg/m3, and thermal conductivity is about 0.06W/ (mk).The foam cement of making by aluminosulfate cement 70% and flyash 30% proportioning, the warming plate goods that under the same process Parameter Conditions, make, basic identical on performance with the warming plate goods that the present invention makes, but the prescription of present embodiment is except more solid waste of having dissolved, and the cost of every cubic metre of warming plate also can be saved 20 yuan.
Certainly based on know-why of the present invention, when using, also can utilize vegetable-protein or calcium stearate as suds-stabilizing agent, also can realize good effect.
The embodiment that the above provides prescription and application mode for a better understanding of the present invention should not be considered as limitation of the present invention, as long as based on prescription of the present invention and principle, all within the protection domain that the present invention requires.In addition, among the embodiment only to produce warming plate and to be filled in the holllow building block as light heat insulation material as example, the prescription and the purposes that the present invention are contained the foam cement of desulfurization refinery coke lime-ash adulterant specify, except the said products of having mentioned, the present invention can also substitute existing aluminosulfate cement and make other foaming cement thermal insulation goods, hereby explanations.

Claims (7)

1. foam cement that contains desulfurization refinery coke lime-ash adulterant is characterized in that each component and mass percentage content are:
(1) aluminosulfate cement: 30% ~ 90%;
(2) desulfurization refinery coke lime-ash adulterant: 1.0% ~ 30%, desulfurization refinery coke lime-ash adulterant is that desulfurization refinery coke ground-slag is or/and desulfurization oil charred ashes, wherein, desulfurization refinery coke ground-slag is the powder that the desulfurization oil cinder of refinery coke generation after the circulating fluid bed boiler desulfurization burning is made through levigate processing again, and desulfurization oil charred ashes is the flying dust that refinery coke is collected through dust collection device in the circulating fluid bed boiler desulfurization combustion processes;
(3) flyash 0 ~ 60%.
2. the foam cement that contains desulfurization refinery coke lime-ash adulterant according to claim 1 is characterized in that the essential mineral composition of desulfurization refinery coke ground-slag and desulfurization oil charred ashes is CaSO 4And CaO.
3. the foam cement that contains desulfurization refinery coke lime-ash adulterant according to claim 1 is characterized in that the fineness of desulfurization refinery coke ground-slag and desulfurization oil charred ashes all is not less than 100 orders.
4. the foam cement that contains desulfurization refinery coke lime-ash adulterant according to claim 1 characterized by further comprising the chemical gas generation agent.
5. the foam cement that contains desulfurization refinery coke lime-ash adulterant according to claim 4 is characterized in that the chemical gas generation agent comprises hydrogen peroxide solution, magnesium powder, zinc powder or aluminium powder.
6. the foam cement that contains desulfurization refinery coke lime-ash adulterant according to claim 1 characterized by further comprising suds-stabilizing agent.
7. the foam cement that contains desulfurization refinery coke lime-ash adulterant according to claim 6 is characterized in that suds-stabilizing agent comprises calcium stearate, animal proteinum or vegetable-protein.
CN2012105105674A 2012-12-04 2012-12-04 Foam cement containing desulfurized petroleum coke ash-residue admixture Pending CN102964103A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105254325A (en) * 2015-09-29 2016-01-20 马鞍山杰创塑胶科技有限公司 Aerated building blocks manufactured by utilizing desulfurized petroleum coke residues and manufacturing method thereof
CN106478147A (en) * 2016-10-28 2017-03-08 山东中建西部建设有限公司 A kind of premixing foam concrete and its preparation technology
US20180086674A1 (en) * 2016-09-23 2018-03-29 Tanja Thomas Method for producing a thermally insulating mortar
CN113860840A (en) * 2021-11-02 2021-12-31 青岛理工大学 Roadbed material prepared from waste slurry and application thereof

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Publication number Priority date Publication date Assignee Title
CN1261600A (en) * 1999-01-21 2000-08-02 徐君元 Non-steam cured foamed concrete plate
CN101555113A (en) * 2009-05-19 2009-10-14 李秋义 Aeroconcrete and preparation method thereof
CN102225781A (en) * 2011-04-01 2011-10-26 洛阳理工学院 Preparation method of cement delayed coagulant

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Publication number Priority date Publication date Assignee Title
CN1261600A (en) * 1999-01-21 2000-08-02 徐君元 Non-steam cured foamed concrete plate
CN101555113A (en) * 2009-05-19 2009-10-14 李秋义 Aeroconcrete and preparation method thereof
CN102225781A (en) * 2011-04-01 2011-10-26 洛阳理工学院 Preparation method of cement delayed coagulant

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105254325A (en) * 2015-09-29 2016-01-20 马鞍山杰创塑胶科技有限公司 Aerated building blocks manufactured by utilizing desulfurized petroleum coke residues and manufacturing method thereof
US20180086674A1 (en) * 2016-09-23 2018-03-29 Tanja Thomas Method for producing a thermally insulating mortar
US10647615B2 (en) * 2016-09-23 2020-05-12 Tanja Thomas Method for producing a thermally insulating mortar
CN106478147A (en) * 2016-10-28 2017-03-08 山东中建西部建设有限公司 A kind of premixing foam concrete and its preparation technology
CN106478147B (en) * 2016-10-28 2019-04-19 山东中建西部建设有限公司 A kind of premixing foam concrete and its preparation process
CN113860840A (en) * 2021-11-02 2021-12-31 青岛理工大学 Roadbed material prepared from waste slurry and application thereof
CN113860840B (en) * 2021-11-02 2022-07-29 青岛理工大学 Roadbed material prepared from waste slurry and application thereof

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Application publication date: 20130313