CN108822339A - Exhaust combustion gases synthesize calcium base whisker composite reinforcing agent and preparation method thereof - Google Patents
Exhaust combustion gases synthesize calcium base whisker composite reinforcing agent and preparation method thereof Download PDFInfo
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- CN108822339A CN108822339A CN201810459345.1A CN201810459345A CN108822339A CN 108822339 A CN108822339 A CN 108822339A CN 201810459345 A CN201810459345 A CN 201810459345A CN 108822339 A CN108822339 A CN 108822339A
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- reinforcing agent
- exhaust
- raw material
- composite reinforcing
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/08—Oxygen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/46—Sulfur-, selenium- or tellurium-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
- C30B29/62—Whiskers or needles
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B7/00—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
- C30B7/14—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions the crystallising materials being formed by chemical reactions in the solution
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/016—Additives defined by their aspect ratio
Abstract
The invention discloses a kind of calcium base whisker composite reinforcing agent and preparation method thereof.It includes following mass component raw material that its exhaust combustion gases, which synthesizes the composite reinforcing agent of calcium base whisker,:Sulfur dioxide 5-20%, sulfur trioxide 5-15%, oxygen 10-45%, carbon dioxide 15-35%, silica 5-10%, calcium hydroxide 10-20%, chemical additives 0.1-2%, dispersing agent 0.5-1%, suitable quantity of water.Its Preparation Method includes the following steps:The mixed gas feed and suspension raw material that corresponding washing isolation of purified is handled are carried out to coal combustion exhaust;The suspension raw material of corrresponding quality ratio, chemical additives, dispersing agent and calcium hydroxide are mixed to the mixed solution material for being made that concentration is 6-20 Baume degrees;Mixed gas feed and mixed solution material are subjected to combination reaction in reaction tower and generate suspension.Reinforcing agent materials are easy, and preparation cost is low, and preparation method is simple and environmentally-friendly.
Description
Technical field
The present invention relates to a kind of exhaust combustion gases synthesis calcium base whisker composite reinforcing agent and preparation method thereof.
Background technique
Traditional inorganic supporting material is all to be closed by natural mineral raw by crushing calcining, redox and various chemical industry
At both waste of resource in this way;A large amount of soil erosions are caused again, can also generate a large amount of exhaust gas, sewage pollution, and environment is caused to endanger
Evil;Meanwhile production cost is relatively high.
Summary of the invention
The purpose of the present invention is in view of the deficiency of the prior art.A kind of exhaust combustion gases synthesis calcium base whisker is provided
Composite reinforcing agent and preparation method thereof.Reinforcing agent materials are easy, and preparation cost is low, and preparation method is simple and environmentally-friendly.
Technical solution of the present invention:It includes following mass component raw material that its exhaust combustion gases, which synthesizes the composite reinforcing agent of calcium base whisker,:
Sulfur dioxide 5-20%, sulfur trioxide 5-15%, oxygen 10-45%, carbon dioxide 15-35%, silica 5-10%, calcium hydroxide
10-20%, chemical additives 0.1-2%, dispersing agent 0.5-1%, suitable quantity of water.
Its material component quality proportioning is:Sulfur dioxide 10%, sulfur trioxide 10%, oxygen 30%, carbon dioxide 24%, dust
Silica 1 0%, calcium hydroxide 15%, chemical additives 0.5% and dispersing agent 0.5%.
The sulfur dioxide, sulfur trioxide and carbon dioxide are formed by coal combustion exhaust, and the silica is by coal combustion exhaust
In dust formed.
The preparation method of exhaust combustion gases synthesis calcium base whisker composite reinforcing agent includes the following steps:
(1), carry out corresponding washing isolation of purified to coal combustion exhaust and handle to obtain containing corresponding component SO2、SO3、CO2、O2It is mixed
Gas raw material is closed, and by including that cleaning solution washs the suspension raw material formed after isolation of purified;
(2), to include SO2、SO3、CO2、O2Mixed gas feed carry out corresponding component quality proportioning;
(3), by the suspension raw material of corrresponding quality ratio, chemical additives, dispersing agent and calcium hydroxide mixing be made dense
Degree is the mixed solution material of 6-20 Baume degrees;
(4), the mixed gas feed and mixed solution material carried out to combination reaction in reaction tower generate suspension, through de-
Water baking obtains product of the invention.
The suspension is recycled into introducing through being dehydrated isolated liquid by-product(1)It is used as in step and prepares gaseous mixture
The slurry of the washing, purifying processing of body raw material, formation recycle.
The dewatered water content of suspension is 25-30%, and the temperature baked after dehydration is 120-280oC。
Exhaust combustion gases synthesis calcium base whisker composite reinforcing agent of the invention and preparation method thereof, the exhaust gas generated using fire coal
As raw material.Its own prepares non-environmental-pollution problem, can not only save cost of material, but also has administered other industry production and produced
Raw environmental pollution not only has good economic benefit, but also obtains good social benefit, and superior product quality cost
It is low.With extremely strong popularizing value.
Specific embodiment
In order to further appreciate that technical solution of the present invention, by following embodiment, the invention will be further described.
Coal combustion exhaust synthesis calcium base whisker composite reinforcing agent raw material group of the invention becomes calcium hydroxide Ca (OH) and coal-fired
Exhaust gas specifically includes the material component of following quality proportioning:Sulfur dioxide(SO2)5-20%, sulfur trioxide(SO3)5-15%, oxygen
Gas(O2)10-45%, carbon dioxide(CO2)15-35%, silica(SiO2) 5-10%, calcium hydroxide(Ca(OH)2)10-20%,
Chemical additives 0.1-2%, dispersing agent 0.5-1%, proper amount of clear water.
Wherein:Sulfur dioxide, sulfur trioxide, carbon dioxide are directly handled by coal combustion exhaust through corresponding washing, purifying
It arrives, the blower of oxygen clean isolation of purified treatment process is inhaled, and its silica is directly by the dust in coal combustion exhaust through phase
The washing, purifying processing answered obtains(Such as suspension raw material).
The synthesis calcium base whisker composite reinforcing agent of its coal combustion exhaust is prepared by following processes:
(1), to coal combustion exhaust using air as pumped (conveying) medium(Blower), the washing separation of corresponding water mist is carried out using relevant device
Purification(Or atmosphere is discharged into water vapour including other non-useful ingredients substance such as CO etc.)It obtains containing corresponding component SO2、SO3、
CO2、O2Mixed gas feed, and by include cleaning solution(Such as clear water is used in washing)The suspension formed after washing isolation of purified
Raw material;
(2), in mixed gas feed include SO2、SO3、O2、CO2Raw material components carry out corresponding ratio allotment;
(3), by the suspension raw material of corrresponding quality ratio, chemical additives, dispersing agent and calcium hydroxide mixing be made dense
Degree is the mixed solution material of 6-20 Baume degrees;
(4), the mixed gas feed and mixed solution material carried out to combination reaction in reaction tower generate suspension, through de-
Water obtains the agent of solid-state calcium base whisker composite reinforcing and finished product of the invention is made through dehydration baking etc. again;
Its mixed gas feed and mixed solution material are in reaction tower, when suspension is PH=7, terminates reaction and obtain.
Its process of preparing further includes:Introducing will be recycled through being dehydrated isolated liquid by-product in the suspension
(1)Slurry in step as the washing, purifying processing of preparation mixed gas feed, is recycled.
The embodiment 1 of coal combustion exhaust synthesis calcium base whisker composite reinforcing agent of the present invention:
Its in this example is made of the raw material of following mass percent:Sulfur dioxide 10%, sulfur trioxide 10%, oxygen 30%, titanium dioxide
Carbon 24%, dust silica 1 0%, calcium hydroxide 15%, chemical additives 0.5%, dispersing agent 0.5%, suitable quantity of water.
The embodiment 2 of coal combustion exhaust synthesis calcium base whisker composite reinforcing agent of the present invention:
It is made of the raw material of following mass percent:Sulfur dioxide 5%, sulfur trioxide 2%, oxygen 28%, carbon dioxide 24%, powder
Dirt silica 1 0%, calcium hydroxide 30%, chemical additives 0.5%, dispersing agent 0.5%, suitable quantity of water.
Coal combustion exhaust of the invention synthesizes the specific preparation method embodiment 1 of calcium base whisker composite reinforcing agent:It is specifically prepared
Processing step includes:
(a), coal combustion exhaust is sent to related dust separation processing equipment in a manner of negative pressure induced wind, it is net to carry out water mist washing separation
Change, obtains including SO2、SO3、CO2、O2The mixed gas feed of equal components, and formed by the cleaning solution etc. that washing, purifying is handled
Suspension raw material;
(b), to mixed gas feed SO2、SO3、CO2、O2、CO3Etc. carrying out including being further processed for tar removing etc., and
Corresponding quality proportioning is carried out to each material component;
(c), the suspension raw material of corrresponding quality ratio imported into size-mixing tank through the filtered filtrate of 150-250 mesh sufficiently stirred
It mixes, chemical additives and dispersing agent is imported in size-mixing tank mixed with suspension raw material later, and through corresponding blender with 60-
100 revs/min of mixing speed, which is stirred, to be sufficiently mixed;
(d), the calcium hydroxide of corrresponding quality ratio put into size-mixing tank and step(c)In suspension raw material, chemical additives
The mixed solution material for being sufficiently mixed that obtained concentration is 6-20 Baume degrees is stirred with materials such as dispersing agents;
(e), by mixed solution material made from (d) step and(b)Equipped mixed gas feed is sent to respectively in step
Reaction tower carries out even trivial reaction, the distribution apparatus of the bottom of mixed gas feed autoreaction tower make gas be uniformly distributed from lower and
Upper combination reaction corresponding with the mixed solution material progress in reaction tower generates suspension etc., the suspension which is generated
It is sent to the dehydration equipments such as centrifuge to be dehydrated to obtain solid product, finally the solid product is carried out with corresponding baking device
120-280 oDepolymerization that C is baked and 200 mesh wind-force are sieved synthesizes calcium base whisker composite reinforcing to get to exhaust combustion gases of the invention
Agent.
The water content of its dewatered solid is controlled in 25-30%.Its exhaust combustion gases obtained after baking synthesis calcium base is brilliant
The water content of palpus composite reinforcing agent is less than or equal to 0.025%.It is substantially free of the crystallization water.
?(e)In step, in mixed gas feed and mixed solution material reaction, suspension is PH=7 of reactant
When terminate reaction obtain.That is mixed gas feed and the terminal of mixed solution material reaction be:PH=7;It generates of the invention
The suspension of product.Its reaction equation includes:
Reaction equation one:
SO2+H2O→H2SO3
Ca(OH)2+ CO2 → CaCO3 ↓+H2O
H2SO3+CaSO3→CaSO3 + CO2+H2O
2CaSO3+O2 →2CaSO4
Reaction equation two:
Ca(OH)2 +SO3→CaSO4+ H2O
Reaction equation three:
SO3+H2O → H2SO4
Ca(OH)2+ H2SO4 →CaSO4+ 2H2O
Reaction equation four:
Its reaction product complex is: CaSO4 .CaCO3 .SiO2。
(f), will(e)The liquid material isolated from suspension in step is introduced as liquid by-product(a)In step
Converged with the clear water of washing and water mist washing isolation of purified processing is carried out to coal combustion exhaust, realization recycles.
Its product characteristics inspection result such as table one:
Table one
Comparison study test one.Experimental formula is shown in Table 2(For producing PP product, produce in conventional manner):Its comparative example makes
With wollastonite fibre reinforcing agent, experimental example of the present invention synthesizes the composite reinforcing agent of calcium base whisker using the exhaust combustion gases of embodiment 1.It is right
Than the results are shown in Table 3.
Table 2
Table 3
It can see by table 3:Wollastonite fibre is used using exhaust combustion gases synthesis calcium base whisker composite reinforcing agent ratio of the invention
The comprehensive performance of the PP composite material of reinforcing agent production increases.
Comparison study examination two.Its experimental formula is shown in Table 4(For producing PVC drain pipe product, produce in conventional manner):
Its comparative example uses active light charcoal acid calcium, and experimental example of the present invention is compound using the exhaust combustion gases synthesis calcium base whisker of embodiment 1
Reinforcing agent.Experimental comparison results are shown in Table 5.
Table 4
Table 5
As can be seen from Table 5:Replace active light charcoal acid using exhaust combustion gases synthesis calcium base whisker composite reinforcing agent of the invention
Calcium makees the PVC drain pipe of filler material production, and tensile strength, impact strength, hardness and thermal deformation behavior etc. increase,
Production cost can be reduced relatively.Exhaust combustion gases synthesis calcium base whisker composite reinforcing agent of the present invention can be used for plastics, rubber, building
The chemical industry synthesis such as material field.
Claims (4)
1. a kind of exhaust combustion gases synthesize the composite reinforcing agent of calcium base whisker, it is characterized in that including following mass component raw material:Titanium dioxide
Sulphur 5-20%, sulfur trioxide 5-15%, oxygen 10-45%, carbon dioxide 15-35%, silica 5-10%, calcium hydroxide 10-20%,
Chemical additives 0.1-2%, dispersing agent 0.5-1%.
2. exhaust combustion gases synthesize the composite reinforcing agent of calcium base whisker according to claim 1, it is characterized in that its material component quality
Proportion is:Sulfur dioxide 10%, sulfur trioxide 10%, oxygen 30%, carbon dioxide 24%, dust silica 1 0%, calcium hydroxide
15%, chemical additives 0.5% and dispersing agent 0.5%.
3. exhaust combustion gases according to claim 1 or claim 2 synthesize the composite reinforcing agent of calcium base whisker, it is characterized in that the titanium dioxide
Sulphur, sulfur trioxide and carbon dioxide are formed by coal combustion exhaust, and the silica is formed by the dust in coal combustion exhaust.
4. a kind of preparation method of exhaust combustion gases synthesis calcium base whisker composite reinforcing agent, it is characterized in that including the following steps:
(1), carry out corresponding washing isolation of purified to coal combustion exhaust and handle to obtain containing corresponding component SO2、SO3、CO2、O2It is mixed
Gas raw material is closed, and by including that cleaning solution washs the suspension raw material formed after isolation of purified;
(2), by the suspension raw material of corrresponding quality ratio, chemical additives, dispersing agent and calcium hydroxide mixing be made dense
Degree is the mixed solution material of 6-20 Baume degrees;
(3), the mixed gas feed and mixed solution material carried out to combination reaction in reaction tower generate suspension, through de-
Water baking obtains product of the invention.
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Citations (4)
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---|---|---|---|---|
CN101967001A (en) * | 2010-09-26 | 2011-02-09 | 河北科技大学 | Method for producing calcium carbonate by using calcium carbide slag and low concentration carbon dioxide-containing waste gas as raw materials |
CN102849771A (en) * | 2012-08-29 | 2013-01-02 | 池州凯尔特纳米科技有限公司 | Continuous carbonization reaction device, and method for preparing ultrafine calcium carbonate through applying it |
CN102935329A (en) * | 2012-11-29 | 2013-02-20 | 广东大众农业科技股份有限公司 | Method and device for preparing light calcium carbonate by recycling exhaust gas of coal burning boiler |
CN107522217A (en) * | 2017-09-30 | 2017-12-29 | 广西华洋矿源材料有限公司 | A kind of production method of conventional lightweight calcium carbonate |
-
2018
- 2018-05-15 CN CN201810459345.1A patent/CN108822339A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101967001A (en) * | 2010-09-26 | 2011-02-09 | 河北科技大学 | Method for producing calcium carbonate by using calcium carbide slag and low concentration carbon dioxide-containing waste gas as raw materials |
CN102849771A (en) * | 2012-08-29 | 2013-01-02 | 池州凯尔特纳米科技有限公司 | Continuous carbonization reaction device, and method for preparing ultrafine calcium carbonate through applying it |
CN102935329A (en) * | 2012-11-29 | 2013-02-20 | 广东大众农业科技股份有限公司 | Method and device for preparing light calcium carbonate by recycling exhaust gas of coal burning boiler |
CN107522217A (en) * | 2017-09-30 | 2017-12-29 | 广西华洋矿源材料有限公司 | A kind of production method of conventional lightweight calcium carbonate |
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Application publication date: 20181116 |