CN109289149A - A kind of fire extinguishing auxiliary agent based on architecture sediment - Google Patents

A kind of fire extinguishing auxiliary agent based on architecture sediment Download PDF

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Publication number
CN109289149A
CN109289149A CN201811129464.7A CN201811129464A CN109289149A CN 109289149 A CN109289149 A CN 109289149A CN 201811129464 A CN201811129464 A CN 201811129464A CN 109289149 A CN109289149 A CN 109289149A
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China
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fire extinguishing
architecture sediment
agent
auxiliary agent
water
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CN201811129464.7A
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CN109289149B (en
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谢发之
刘瑾
丁益
张峰君
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Anhui Jianzhu University
Anhui University of Architecture
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Anhui University of Architecture
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0028Liquid extinguishing substances
    • A62D1/005Dispersions; Emulsions

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The present invention provides a kind of fire extinguishing auxiliary agent based on architecture sediment, including architecture sediment, super plasticizer, water-retaining agent and dispersing agent, wherein each component is by mass percentage are as follows: the architecture sediment of 60%-90%, the super plasticizer of 4%-15%, 2%-5% water-retaining agent and 4%-20% dispersing agent.A kind of novel fire extinguishing auxiliary agent that can greatly improve the flyash property infused, paste-forming properties and fire extinguishing performance is prepared using clay, foaming agent and a small amount of high-molecular compound of addition in architecture sediment, realization, which utilizes different trade waste coordination with the synthesis, achievees the purpose that energy-saving and emission-reduction and hazard management;Architecture sediment, which needs not move through, to be further processed, and resource utilization can be realized, and has cracked the processing problem of architecture sediment;By compound with a small amount of functional polymer, the slurrying and slip casting efficiency of flyash are effectively increased, fire extinguishing cost is greatly reduced.

Description

A kind of fire extinguishing auxiliary agent based on architecture sediment
Technical field
It is administered the present invention relates to trade waste and technical field of fire control, and in particular to a kind of anti-based on architecture sediment is gone out Fiery auxiliary agent.
Background technique
Architecture sediment is a kind of trade waste generated in building construction process, complicated component.With Chinese Urbanization The quickening of paces and the expansion of scale, the quantity of architecture sediment is in growth trend year by year.Architecture sediment is stacked on the spot, this is not only accounted for With large amount of land resources, and also result in storing place and soil, surface water and groundwater in the neighbourhood generate it is very tight The pollution hidden trouble of weight.Therefore, the synthesis regeneration of architecture sediment has become the important topic being badly in need of research and solving.
Mine spontaneous combustion of coal seam in China's coal-mine with the presence of 70% is dangerous, according to statistics, high-quality as caused by spontaneous combustionof coal Coal losses amount oneself up to 4,200,000,000 tons or more, still increased now with annual 2000~30,000,000 tons of speed, and caused by being affected by it Dull resource reserve is per year over 200000000 tons.It can be seen that spontaneous combustionof coal has become the master for restricting China coal industry high-yield and high-efficiency One of disaster is wanted, it is in the weight of mine fire extinguishing work that the prevention and treatment of Conflagration Caused by Coal Self-ignition, which also becomes a very urgent task, Weight.Injecting paste material will consider two o'clock, first is that paste-forming properties and can slip casting performance, second is that consider slurry reach fire area rear overhang Floating flyash can be deposited comparatively fast, be covered on the performance for reaching fire extinguishing on fire source, and flyash is a kind of fire extinguishing function admirable, valence The big trade waste of honest and clean amount, the preferred material being increasingly becoming in fire extinguishing construction, but its sinking speed is very fast, so Industrially can not slip casting perhaps not yet slip casting just settle or slip casting during can be deposited inside grouting pipe, cause Booster;After slurry reaches fire area, if routed slurry cannot be will cause, that is, cannot be to certain in very fast time settlement One fixed area is now put out a fire, so to consider that slurry is allowed to settle as early as possible at this point.Therefore being added in flyash has special function The fire extinguishing auxiliary agent of energy prepares the development trend that fire extinguishing injecting paste material has become preventing and extinguishing fire of coal mine.
Existing patent of invention CN103977517A discloses a kind of coal mine fire extinguishing gel, the gel by base-material, Coagulant, injecting paste material and suitable water are formulated, and the injecting paste material is made of cement, flyash, the quality of the two Than for (3-4): 7, the mass fraction of cement and flyash is 10-15% in mixed liquor, and the mass fraction of the waterglass is 10- 20%, the mass fraction of the sodium aluminate is 1-10%.Gel process is simple in the invention, convenient for operating, and it is cheap, it coagulates Glue material can be bought on the spot.Existing patent of invention CN105126289A discloses a kind of underground coal mine fireproofing extinguishing materials and method, Underground coal mine fireproofing extinguishing materials ingredient contains waterglass, sodium metaaluminate and water, and waterglass accounts for 2-3.5 parts (weight), sodium metaaluminate It accounts for 1.5-2.5 parts (weight), water accounts for 95-96 parts (weight).The invention can have enough mobility guaranteeing fireproofing extinguishing materials In the case of, its water-retaining property is effectively promoted, underground coal mine fire extinguishing operation effectiveness is greatly improved, coal mine is raw for strong ensure that Produce safety.Although waterglass is added in flyash, silicic acid gel gelation time is easily controllable, and added material dosage is big, about The 13% of colloid total weight is accounted for, and at high cost.Using waterglass and sodium metaaluminate as the colloid slurries fire extinguishing system of added material In system, waterglass is added on ground, and sodium metaaluminate is added in underground, and not only personnel equipment occupies more, but also cementitious material higher cost, For 150-200 member/square metre.A large amount of high molecular material, which is added, can also be improved the slurry performance of flyash and the property infused, but It may cause the burning of auxiliary agent high molecular material in primer sector.Make fine coal so being badly in need of designing a kind of fire extinguishing auxiliary agent now Ash to be slurried and not plugging during slip casting.It, can be in very fast time settlement, to a certain fixed area after slurry reaches fire area Realize fire extinguishing in domain.
Summary of the invention
The present invention provides a kind of new method that different trade waste coordination with the synthesis utilize, and reaches while realizing energy-saving and emission-reduction To the purpose of hazard management.One is prepared using clay, foaming agent and a small amount of high-molecular compound of addition in architecture sediment Kind can greatly improve the novel fire extinguishing auxiliary agent of the flyash property infused, paste-forming properties and fire extinguishing performance.To achieve the above object, originally Invention uses following technical scheme:
A kind of fire extinguishing auxiliary agent based on architecture sediment, including architecture sediment, super plasticizer, water-retaining agent and dispersing agent, Middle each component is by mass percentage are as follows: the architecture sediment of 60%-90%, the super plasticizer of 4%-15%, 2%-5% water-retaining agent and 4%-20% dispersing agent;Preferably, the architecture sediment of 65%-90%, the super plasticizer of 4%-13%, 2%-4% water-retaining agent and 4%-18% dispersing agent;Further preferably, the architecture sediment of 65%-75%, the super plasticizer of 8%-13%, 3%-4% are protected Aqua and 14%-18% dispersing agent;It is still more preferably 70% architecture sediment, 10% super plasticizer, 4% water-retaining agent With 16% dispersing agent;
The super plasticizer is a kind of polycarboxylic acid or sulfomethylated lignin acids pluronic polymer.It is close in the compound molecule The ionization of water base group makes fly ash grain surface take electrically identical charge, generates electrostatic repulsion, divide particle mutually It dissipates, extra Free water is released, to effectively increase the mobility of slurry.Hydrophilic radical is easily simultaneously and hydrone is with hydrogen The form of key combines, and forms one layer of stable moisture film on fly ash grain surface, this layer of moisture film is good lubricant, is conducive to The sliding of particle, so that the mobility of coal ash pulp be made to further increase.
The water-retaining agent is high salt-resistant type polyacrylamide or polyacrylic or its copolymer.Agent molecule is retained to hand over The hydrophilic functional group for having a large amount of carboxyl, hydroxyl etc. strong on the tridimensional network of connection, this is the power of its water suction, hydrone With these ions with oxygen key is bonded and is adsorbed, securely in network after into reticular structure, since network has elasticity, thus A large number of water molecules can be accommodated.
The dispersing agent is cellulose compound, can improve the suspended dispersed performance of flyash.
The preparation step of the fire extinguishing auxiliary agent based on architecture sediment are as follows: architecture sediment is first carried out to air-dried, then powder It is broken;Again by after the super plasticizer, water-retaining agent and dispersing agent by mass percentage Weighing, it is mixed 3-5 minutes;Then It is spilled into the smashed architecture sediment and mixed super plasticizer, water-retaining agent and dispersing agent respectively on dry-mixed blender, To get fire extinguishing auxiliary agent after stirring 8-10 minutes.
The application method of the fire extinguishing auxiliary agent based on architecture sediment are as follows:
(1) the fire extinguishing auxiliary agent of 5%-30% is added in flyash, is obtained after mixing containing fire extinguishing auxiliary agent Flyash;
(2) fire extinguishing auxiliary agent flyash will be contained in step (1) and water is added in spice case, wherein being helped containing fire extinguishing The weight ratio of agent flyash and water is 1:1-3;
(3) pressure wind is introduced in spice case, with pneumatic stirring, uniformly mixing obtained coal ash pulp after 5-10 minutes;
(4) coal ash pulp obtained in step (3) is sent into slush pump, is squeezed into grouting pipeline or drilling using pump pressure Spray with pressure is to predetermined fire extinguishing position;The spice case volume is 0.5-1m3, quantity is 1-2, is used cooperatively;The mud Stock pump uses a TBW-75/20.
Preferably, 18% fire extinguishing auxiliary agent is added in step (1) flyash;It goes out in the step (2) containing anti- The weight ratio of fiery auxiliary agent flyash and water is 1:2.
A large amount of inorganic and organic polymer gel forming materials are added in flyash can greatly improve slurrying cost, and the present invention mentions The fire extinguishing auxiliary agent of confession is a kind of recycling of waste, and flyash slurrying is at low cost.Different grain size in manufactured coal ash pulp Fly ash grain be dispersed in slurries, and slurry consistency and suspension increase, and improve the concentration of slurries, make highly concentrated Degree slurries do not isolate in use, convenient for pumping and pipeline waterpower long-distance sand transport.It, can after injecting goaf or coal body It plays package well and blocks leakage wind action, prevent and administer coal body spontaneous combustion.Traditional coal ash pulp auxiliary agent is avoided simultaneously Middle excess pluronic polymer adds the potential security risk of bring.
Compared with existing technology, the present invention has the beneficial effect that the following aspects:
(1) architecture sediment, which needs not move through, is further processed, and resource utilization can be realized, cracked the processing of architecture sediment Problem;
(2) by compound with a small amount of functional polymer, the slurrying and slip casting efficiency of flyash is effectively increased, is substantially dropped Low fire extinguishing cost;
(3) it is utilized by different trade waste coordination with the synthesis, realizes the mesh for reaching hazard management while energy-saving and emission-reduction 's;
(4) it can be realized without sedimentation in grouting pipe, and rapid subsidence realizes fire extinguishing after reaching the region that need to put out a fire.
Specific embodiment
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to In limiting the scope of the invention.
Embodiment 1
A kind of fire extinguishing auxiliary agent based on architecture sediment, component and content: architecture sediment: 90%, lignosulfonates: 4%, acrylamide and acrylic acid copolymer: 2%, sodium carboxymethylcellulose: 4%.
The preparation step of the fire extinguishing auxiliary agent based on architecture sediment are as follows: architecture sediment is first carried out to air-dried, then powder It is broken;Again by after the super plasticizer, water-retaining agent and dispersing agent by mass percentage Weighing, it is mixed 3-5 minutes;Then It is spilled into the smashed architecture sediment and mixed super plasticizer, water-retaining agent and dispersing agent respectively on dry-mixed blender, To get fire extinguishing auxiliary agent after stirring 8-10 minutes.
The application method of the fire extinguishing auxiliary agent based on architecture sediment are as follows: 30% fire extinguishing is first added in flyash Auxiliary agent obtains the flyash containing fire extinguishing auxiliary agent after mixing;It will be added to again containing fire extinguishing auxiliary agent flyash and water In spice case, wherein the weight ratio containing fire extinguishing auxiliary agent flyash and water is 1:2;Then pressure wind is introduced in spice case, with Pneumatic stirring, uniformly mixing obtained coal ash pulp after 5-10 minutes;Last coal ash pulp flows into slush pump, is squeezed into using pump pressure Spray with pressure is to predetermined fire extinguishing position in grouting pipeline or drilling;The spice case volume is 0.5-1m3, quantity is 2, is matched It closes and uses;The slush pump uses a TBW-75/20.
Embodiment 2
Compared with Example 1, the difference of the embodiment is the fire extinguishing auxiliary agent based on architecture sediment, component and Content: architecture sediment: 75%, polycarboxylate: 8%, polyacrylamide: 3%, sodium carboxymethylcellulose: 14%.
In the application method of the fire extinguishing auxiliary agent based on architecture sediment, 20% fire extinguishing is first added in flyash Auxiliary agent.
Embodiment 3
Compared with Example 1, the difference of the embodiment is the fire extinguishing auxiliary agent based on architecture sediment, component and Content: architecture sediment: 70%, polycarboxylate: 10%, polyacrylamide: 4%, sodium carboxymethylcellulose: 16%.
In the application method of the fire extinguishing auxiliary agent based on architecture sediment, 18% fire extinguishing is first added in flyash Auxiliary agent.
Embodiment 4
Compared with Example 1, the difference of the embodiment is the fire extinguishing auxiliary agent based on architecture sediment, component and Content: architecture sediment: 65%, polycarboxylate: 13%, polyacrylamide: 4%, sodium carboxymethylcellulose: 8%.
In the application method of the fire extinguishing auxiliary agent based on architecture sediment, 10% fire extinguishing is first added in flyash Auxiliary agent.
Embodiment 5
Compared with Example 1, the difference of the embodiment is the fire extinguishing auxiliary agent based on architecture sediment, component and Content: architecture sediment: 60%, polycarboxylate: 15%, polyacrylamide: 5%, sodium carboxymethylcellulose: 20%.
In the application method of the fire extinguishing auxiliary agent based on architecture sediment, 5% fire extinguishing is first added in flyash Auxiliary agent.
Comparative example 1
Compared with Example 1, the difference of the embodiment is, the matter of its component part of the coal ash pulp of use and each section Measure number are as follows: 10% cement, 15% flyash, 20% waterglass, 10% sodium aluminate and 70% water.
Experimental example 1
Coal ash pulp made from embodiment 1-5 is obtained into strip test bars after drying, is sprayed with alcolhol burner and alcohol Lamp carries out combustion test to batten, cannot all light batten;It is released through detection unharmful substance, using Mr. Yu's mine, fire extinguishing effect Fruit is good.
Experimental example 2
The sample for extracting coal ash pulp in embodiment 1-5 and comparative example is stood under identical temperature environment, when observing different Between after section each coal ash pulp sinking speed.In 30min, without obvious sedimentation phenomenon, comparative example 1 has obvious heavy embodiment 1-5 Phenomenon drops;After 60min, embodiment 1-2 has sedimentation phenomenon, and the slight sedimentation phenomenon of embodiment 3-5, comparative example 1 can be observed bright Aobvious sedimentation phenomenon.
Coal ash pulp that the various embodiments described above are enumerated proportion, for the filling of coal mine groating at bed seperated zone goaf, fire extinguishing and Waterproofing and leakage-stopping plays good effect, and sealing effect is good, environmental protection, harmless.

Claims (10)

1. a kind of fire extinguishing auxiliary agent based on architecture sediment, including architecture sediment, super plasticizer, water-retaining agent and dispersing agent, wherein Each component is by mass percentage are as follows: the architecture sediment of 60%-90%, the super plasticizer of 4%-15%, 2%-5% water-retaining agent and 4%-20% dispersing agent.
2. a kind of fire extinguishing auxiliary agent based on architecture sediment according to claim 1, which is characterized in that the fire extinguishing helps Agent includes the architecture sediment of 65%-90%, the super plasticizer of 4%-13%, 2%-4% water-retaining agent and 4%-18% dispersing agent.
3. a kind of fire extinguishing auxiliary agent based on architecture sediment according to claim 1, which is characterized in that the fire extinguishing helps Agent includes the architecture sediment of 65%-75%, the super plasticizer of 8%-13%, 3%-4% water-retaining agent and 14%-18% dispersing agent.
4. a kind of fire extinguishing auxiliary agent based on architecture sediment according to claim 1, which is characterized in that the fire extinguishing helps Agent includes 70% architecture sediment, 10% super plasticizer, 4% water-retaining agent and 16% dispersing agent.
5. a kind of fire extinguishing auxiliary agent based on architecture sediment according to claim 1, which is characterized in that described is super plasticized Agent is a kind of polycarboxylic acid or sulfomethylated lignin acids pluronic polymer.
6. a kind of fire extinguishing auxiliary agent based on architecture sediment according to claim 1, which is characterized in that the water-retaining agent For high salt-resistant type polyacrylamide or polyacrylic or its copolymer.
7. a kind of fire extinguishing auxiliary agent based on architecture sediment according to claim 1, which is characterized in that the dispersing agent For cellulose compound.
8. a kind of be used to prepare a kind of method of the fire extinguishing auxiliary agent based on architecture sediment as described in claim 1, feature It is, preparation step are as follows: first architecture sediment is carried out air-dried, then crushed;Again by the super plasticizer, water-retaining agent and dispersing agent By mass percentage after Weighing, it is mixed 3-5 minutes;Then it is spilled into respectively on dry-mixed blender described smashed Architecture sediment and mixed super plasticizer, water-retaining agent and dispersing agent, to get fire extinguishing auxiliary agent after stirring 8-10 minutes.
9. a kind of a kind of application method of the fire extinguishing auxiliary agent based on architecture sediment as described in claim 1, the steps include:
(1) the fire extinguishing auxiliary agent of 5%-30% is added in flyash, obtains the fine coal containing fire extinguishing auxiliary agent after mixing Ash;
(2) fire extinguishing auxiliary agent flyash will be contained in step (1) and water is added in spice case, wherein containing fire extinguishing auxiliary powder The weight ratio of coal ash and water is 1:1-3;
(3) pressure wind is introduced in spice case, with pneumatic stirring, uniformly mixing obtained coal ash pulp after 5-10 minutes;
(4) coal ash pulp obtained in step (3) is sent into slush pump, is squeezed into using pump pressure with pressure in grouting pipeline or drilling Spray is to predetermined fire extinguishing position;The spice case volume is 0.5-1m3, quantity is 1-2, is used cooperatively;The slush pump Using a TBW-75/20.
10. a kind of application method of fire extinguishing auxiliary agent based on architecture sediment according to claim 9, which is characterized in that 18% fire extinguishing auxiliary agent is added in step (1) flyash;Contain fire extinguishing auxiliary agent flyash and water in the step (2) Weight ratio be 1:2.
CN201811129464.7A 2018-09-27 2018-09-27 Fire prevention and extinguishing auxiliary based on building residue soil Active CN109289149B (en)

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