CN105218138A - A kind of method utilizing discarded bone to prepare flame-retardant expanded dose - Google Patents

Abstract

The present invention relates to a kind of method utilizing discarded bone to prepare flame-retardant expanded dose, belong to fire retardant material field.First the residual meat of discarded bone surface removed by the method, and rinse well, after then putting into calcining furnace calcining, takes out and be cooled to room temperature, clay into power, then flood powder with hydrochloric acid soln, and add hydrogen peroxide and stomach en-, after agitation and filtration; Sodium hydroxide solution is added by filtered liquid, when sediment-free produces, stop adding, stir, pass into carbonic acid gas wherein and add sodium polyphosphate simultaneously, ageing, adds lauric acid and Seconary Alkane Sulphonate Sodium after ageing, stirring heating wherein, then filter, gained filtrate is dry, finally get filtrate and height glues the materials such as attapulgite clay powder, mixing and stirring.Beneficial effect of the present invention is: the use of flame-retardant expanded dose is smokeless, nontoxic, Halogen; Make full use of discarded bone, turn waste into wealth, protection of the environment; Preparation process is simple, and cost is low.

Description

A kind of method utilizing discarded bone to prepare flame-retardant expanded dose

Technical field

The present invention relates to a kind of method utilizing discarded bone to prepare flame-retardant expanded dose, belong to fire retardant material field.

Background technology

Along with the reinforcement day by day of global safety environmental consciousness, the requirement of people to fire safety and fire block articles is more and more higher, and the environment friendly flame retardant of Halogen, low cigarette, low toxicity has become the target of people's pursuit.

Fire retardant mainly contains organic and inorganic at present, halogen and non-halogen.Organic is be representative with bromine system, phosphorus nitrogen system, nitrogen system and red phosphorus and compound some fire retardants, the flame-retardant system such as inorganic mainly antimonous oxide, magnesium hydroxide, aluminium hydroxide, silicon system.Whipping agent can be divided into chemical foaming agent, pneumatogen and tensio-active agent three major types, and the many whipping agent of purposes has cement blowing agent, concrete foamer, plastics blowing agent, polyurethane foams, rubber pange agent, glass whipping agent etc.Though fire retardant and whipping agent kind are often, application is also comparatively wide, there is performance comprehensive not, in use can produce flue gas, poisonous, can not meet the drawback of actual production and environmental protection needs.

City noise drastically influence orthobiosis and the health of human body of city resident, city noise mainly refers to traffic noise, factory noise, construction noise pollution and noise of social activities, the range of influence of its noise and influence degree are day by day serious, on the impact of civic living environment greatly, one of noticeable city environmental pollution problem is become.Usual employing quieter material is produced the products such as some acoustical panels, sound insulation Wall, sound-absorbing net and sound damper and is carried out control noises pollution, also has some materials to be by after foaming process, to improve the performance of the said products.The kind of whipping agent is more, has made larger contribution for control noises pollutes, but the said products can only be used for control noises to be polluted, the function do not purified air.

Summary of the invention

The technical problem that the present invention mainly solves: in use can produce flue gas for existing flame-retardant expanded dose, poisonous, contaminate environment, simultaneously without the function purified air, provide a kind of method utilizing discarded bone to prepare flame-retardant expanded dose, the method is first by removing the protein etc. in bone to discarded bone, through adding acid dissolve, repeated hydrogenation sodium oxide and carbonic acid gas and sodium polyphosphate step, the raw material of obtained flame-retardant expanded dose, finally glue the materials such as attapulgite clay powder with height to mix, obtained flame-retardant expanded dose of the method is smokeless, nontoxic, Halogen and make full use of waste, turn waste into wealth, what is more important can purify air.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention:

(1) get discarded bone, remove the residual meat on its surface, and cleaned on its surface with water, then put into calcining furnace 50 ~ 70min, temperature is set as 800 ~ 900 DEG C, is then taken out and is cooled to room temperature, puts into pulverizing mill and wears into 120 ~ 150 order powder;

(2) powder of above-mentioned gained is put into container, add wherein massfraction be 40% hydrochloric acid soln flood powder 4 ~ 5cm, add the hydrogen peroxide that massfraction is 50% wherein, its add-on is 15 ~ 20% of hydrochloric acid soln volume, add stomach en-wherein again, add-on is 10 ~ 15% of powder quality, stirs 40 ~ 50min, temperature is set as 30 ~ 35 DEG C, then filters;

(3) filtered liquid of gained is put into container, add the sodium hydroxide solution that massfraction is 80% wherein, when sediment-free produces, stop adding sodium hydroxide solution, stir, pass into carbonic acid gas wherein, make the pH value of turbid solution reach 6.5 ~ 7.0 at 50 ~ 60min, while passing into carbonic acid gas, add the sodium polyphosphate of powder quality 0.3 ~ 0.5% wherein;

(4) above-mentioned container is put into aging tank, ageing 2 ~ 4h, pass into carbonic acid gas simultaneously, ensure that its pH is constant, add the lauric acid of powder quality 2 ~ 4% and the Seconary Alkane Sulphonate Sodium of powder quality 1 ~ 2% after ageing wherein, stirring heating 1 ~ 3h, temperature is set as 60 ~ 70 DEG C, then filter, gained filtrate is dry;

(5) by mass percentage, get filtrate 40 ~ 57%, high sticky attapulgite clay powder 8 ~ 10%, polyoxyethylenated alcohol sodium sulfate 7 ~ 8%, SPC-D 7 ~ 10%, sodium polyacrylate 3 ~ 5%, trisodium phosphate 5 ~ 8%, poly-naphthalene formaldehyde sulfonate salt 3 ~ 5%, dimethyl silicone oil 2 ~ 4% and water 8 ~ 10%, be poured in homogenizer and stir, the speed control of stirrer is at 1500 ~ 2000r/min, churning time controls at 20 ~ 40min, after stirring flame-retardant expanded dose.

application of the present invention: the joint filling that obtained flame-retardant expanded dose is added between door and window and body of wall is sealed, gap when bonding or speech room, the broadcasting studio etc. of fixing bonding, exterior wall are fitted up is filled up, notice that construction surface should without fat, without oil, dustless, for guaranteeing that timber please don't be sprayed water without distortion on wooden frame, after a procedure simultaneously, detect rate of closed hole up to 85%, waterproof thermal-insulated, swollen after effectively preventing secondary; B level is fire-retardant, from fire from putting out.

The invention has the beneficial effects as follows:

(1) smokeless, nontoxic, the Halogen of the use of flame-retardant expanded dose;

(2) make full use of discarded bone, turn waste into wealth, protection of the environment;

(3) preparation process is simple, and cost is low.

Embodiment

First get discarded bone, remove the residual meat on its surface, and cleaned on its surface with water, then put into calcining furnace 50 ~ 70min, temperature is set as 800 ~ 900 DEG C, is then taken out and is cooled to room temperature, puts into pulverizing mill and wears into 120 ~ 150 order powder; Powder is put into container, add wherein massfraction be 40% hydrochloric acid soln flood powder 4 ~ 5cm, add the hydrogen peroxide that massfraction is 50% wherein, its add-on is 15 ~ 20% of hydrochloric acid soln volume, add stomach en-wherein again, add-on is 10 ~ 15% of powder quality, stirs 40 ~ 50min, temperature is set as 30 ~ 35 DEG C, then filters; The filtered liquid of gained is put into container, add the sodium hydroxide solution that massfraction is 80% wherein, when sediment-free produces, stop adding sodium hydroxide solution, stir, pass into carbonic acid gas wherein, make the pH value of turbid solution reach 6.5 ~ 7.0 at 50 ~ 60min, while passing into carbonic acid gas, add the sodium polyphosphate of powder quality 0.3 ~ 0.5% wherein; Above-mentioned container is put into aging tank, ageing 2 ~ 4h, pass into carbonic acid gas simultaneously, ensure that its pH is constant, add the lauric acid of powder quality 2 ~ 4% and the Seconary Alkane Sulphonate Sodium of powder quality 1 ~ 2% after ageing wherein, stirring heating 1 ~ 3h, temperature is set as 60 ~ 70 DEG C, then filter, gained filtrate is dry; By mass percentage, get filtrate 40 ~ 57%, high sticky attapulgite clay powder 8 ~ 10%, polyoxyethylenated alcohol sodium sulfate 7 ~ 8%, SPC-D 7 ~ 10%, sodium polyacrylate 3 ~ 5%, trisodium phosphate 5 ~ 8%, poly-naphthalene formaldehyde sulfonate salt 3 ~ 5%, dimethyl silicone oil 2 ~ 4% and water 8 ~ 10%, be poured in homogenizer and stir, the speed control of stirrer is at 1500 ~ 2000r/min, churning time controls at 20 ~ 40min, after stirring flame-retardant expanded dose.

Example 1

First get discarded bone, remove the residual meat on its surface, and cleaned on its surface with water, then put into calcining furnace 70min, temperature is set as 900 DEG C, is then taken out and is cooled to room temperature, puts into pulverizing mill and wears into 150 order powder, powder is put into container, add wherein massfraction be 40% hydrochloric acid soln flood powder 5cm, add the hydrogen peroxide that massfraction is 50% wherein, its add-on is 20% of hydrochloric acid soln volume, add stomach en-wherein again, add-on is 15% of powder quality, stirs 50min, temperature is set as 35 DEG C, then filters, the filtered liquid of gained is put into container, add the sodium hydroxide solution that massfraction is 80% wherein, when sediment-free produces, stop adding sodium hydroxide solution, stir, pass into carbonic acid gas wherein, make the pH value of turbid solution reach 7.0 at 60min, while passing into carbonic acid gas, add the sodium polyphosphate of powder quality 0.5% wherein, above-mentioned container is put into aging tank, and ageing 4h, passes into carbonic acid gas simultaneously, ensure that its pH is constant, add the lauric acid of powder quality 4% and the Seconary Alkane Sulphonate Sodium of powder quality 2% after ageing wherein, stirring heating 3h, temperature is set as 70 DEG C, then filters, and gained filtrate is dry, by total mass 100g, get filtrate 57g, high sticky attapulgite clay powder 8g, polyoxyethylenated alcohol sodium sulfate 7g, SPC-D 7g, sodium polyacrylate 3g, trisodium phosphate 5g, poly-naphthalene formaldehyde sulfonate salt 3g, dimethyl silicone oil 2g and water 8g, be poured in homogenizer and stir, the speed control of stirrer is at 1500r/min, churning time controls at 20min, flame-retardant expanded dose after stirring, the joint filling that obtained flame-retardant expanded dose is added between door and window and body of wall is sealed, notice that construction surface should without fat, without oil, dustless, for guaranteeing that timber please don't be sprayed water without distortion on wooden frame, after a procedure simultaneously, detect rate of closed hole up to 85%, waterproof thermal-insulated, swollen after effectively preventing secondary, B level is fire-retardant, from fire from putting out.

example 2

First get discarded bone, remove the residual meat on its surface, and cleaned on its surface with water, then put into calcining furnace 50min, temperature is set as 800 DEG C, is then taken out and is cooled to room temperature, puts into pulverizing mill and wears into 150 order powder, powder is put into container, add wherein massfraction be 40% hydrochloric acid soln flood powder 4cm, add the hydrogen peroxide that massfraction is 50% wherein, its add-on is 15% of hydrochloric acid soln volume, add stomach en-wherein again, add-on is 10% of powder quality, stirs 40min, temperature is set as 30 DEG C, then filters, the filtered liquid of gained is put into container, add the sodium hydroxide solution that massfraction is 80% wherein, when sediment-free produces, stop adding sodium hydroxide solution, stir, pass into carbonic acid gas wherein, make the pH value of turbid solution reach 6.5 at 50min, while passing into carbonic acid gas, add the sodium polyphosphate of powder quality 0.3% wherein, above-mentioned container is put into aging tank, and ageing 2h, passes into carbonic acid gas simultaneously, ensure that its pH is constant, add the lauric acid of powder quality 2% and the Seconary Alkane Sulphonate Sodium of powder quality 1% after ageing wherein, stirring heating 1h, temperature is set as 60 DEG C, then filters, and gained filtrate is dry, by total mass 200g, get filtrate 80g, high sticky attapulgite clay powder 20g, polyoxyethylenated alcohol sodium sulfate 16g, SPC-D 20g, sodium polyacrylate 10g, trisodium phosphate 16g, poly-naphthalene formaldehyde sulfonate salt 10g, dimethyl silicone oil 8g and water 20g, be poured in homogenizer and stir, the speed control of stirrer is at 1500r/min, churning time controls at 20min, after stirring flame-retardant expanded dose, the bonding of exterior wall is used for by obtained flame-retardant expanded dose, notice that construction surface should without fat, without oil, dustless, after a procedure simultaneously, detect rate of closed hole up to 85%, waterproof thermal-insulated, swollen after effectively preventing secondary, B level is fire-retardant, from fire from putting out.

Example 3

First get discarded bone, remove the residual meat on its surface, and cleaned on its surface with water, then put into calcining furnace 60min, temperature is set as 850 DEG C, is then taken out and is cooled to room temperature, puts into pulverizing mill and wears into 130 order powder, powder is put into container, add wherein massfraction be 40% hydrochloric acid soln flood powder 4cm, add the hydrogen peroxide that massfraction is 50% wherein, its add-on is 17% of hydrochloric acid soln volume, add stomach en-wherein again, add-on is 12% of powder quality, stirs 35min, temperature is set as 32 DEG C, then filters, the filtered liquid of gained is put into container, add the sodium hydroxide solution that massfraction is 80% wherein, when sediment-free produces, stop adding sodium hydroxide solution, stir, pass into carbonic acid gas wherein, make the pH value of turbid solution reach 6.7 at 55min, while passing into carbonic acid gas, add the sodium polyphosphate of powder quality 0.4% wherein, above-mentioned container is put into aging tank, and ageing 3h, passes into carbonic acid gas simultaneously, ensure that its pH is constant, add the lauric acid of powder quality 3% and the Seconary Alkane Sulphonate Sodium of powder quality 1% after ageing wherein, stirring heating 2h, temperature is set as 65 DEG C, then filters, and gained filtrate is dry, by total mass 300g, get filtrate 171g, high sticky attapulgite clay powder 24g, polyoxyethylenated alcohol sodium sulfate 21g, SPC-D 21g, sodium polyacrylate 9g, trisodium phosphate 15g, poly-naphthalene formaldehyde sulfonate salt 9g, dimethyl silicone oil 6g and water 24g, be poured in homogenizer and stir, the speed control of stirrer is at 1700r/min, churning time controls at 30min, after stirring flame-retardant expanded dose, gap when obtained flame-retardant expanded dose being used for the finishings such as broadcasting studio is filled up, notice that construction surface should without fat, without oil, dustless, after a procedure simultaneously, detect rate of closed hole up to 85%, waterproof thermal-insulated, swollen after effectively preventing secondary, B level is fire-retardant, from fire from putting out, and can reach soundproof effect.

Claims (1)

1. the method utilizing discarded bone to prepare flame-retardant expanded dose, is characterized in that concrete preparation process is:

(1) get discarded bone, remove the residual meat on its surface, and cleaned on its surface with water, then put into calcining furnace 50 ~ 70min, temperature is set as 800 ~ 900 DEG C, is then taken out and is cooled to room temperature, puts into pulverizing mill and wears into 120 ~ 150 order powder;

(2) powder of above-mentioned gained is put into container, add wherein massfraction be 40% hydrochloric acid soln flood powder 4 ~ 5cm, add the hydrogen peroxide that massfraction is 50% wherein, its add-on is 15 ~ 20% of hydrochloric acid soln volume, add stomach en-wherein again, add-on is 10 ~ 15% of powder quality, stirs 40 ~ 50min, temperature is set as 30 ~ 35 DEG C, then filters;

(3) filtered liquid of gained is put into container, add the sodium hydroxide solution that massfraction is 80% wherein, when sediment-free produces, stop adding sodium hydroxide solution, stir, pass into carbonic acid gas wherein, make the pH value of turbid solution reach 6.5 ~ 7.0 at 50 ~ 60min, while passing into carbonic acid gas, add the sodium polyphosphate of powder quality 0.3 ~ 0.5% wherein;

(4) above-mentioned container is put into aging tank, ageing 2 ~ 4h, pass into carbonic acid gas simultaneously, ensure that its pH is constant, add the lauric acid of powder quality 2 ~ 4% and the Seconary Alkane Sulphonate Sodium of powder quality 1 ~ 2% after ageing wherein, stirring heating 1 ~ 3h, temperature is set as 60 ~ 70 DEG C, then filter, gained filtrate is dry;

(5) by mass percentage, get filtrate 40 ~ 57%, high sticky attapulgite clay powder 8 ~ 10%, polyoxyethylenated alcohol sodium sulfate 7 ~ 8%, SPC-D 7 ~ 10%, sodium polyacrylate 3 ~ 5%, trisodium phosphate 5 ~ 8%, poly-naphthalene formaldehyde sulfonate salt 3 ~ 5%, dimethyl silicone oil 2 ~ 4% and water 8 ~ 10%, be poured in homogenizer and stir, the speed control of stirrer is at 1500 ~ 2000r/min, churning time controls at 20 ~ 40min, after stirring flame-retardant expanded dose.