CN106833529A - For the water proof type chemistry filming agent during incineration of refuse flyash transhipment and landfill - Google Patents

For the water proof type chemistry filming agent during incineration of refuse flyash transhipment and landfill Download PDF

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Publication number
CN106833529A
CN106833529A CN201710071964.9A CN201710071964A CN106833529A CN 106833529 A CN106833529 A CN 106833529A CN 201710071964 A CN201710071964 A CN 201710071964A CN 106833529 A CN106833529 A CN 106833529A
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proof type
transhipment
agent
water proof
landfill
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CN201710071964.9A
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CN106833529B (en
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王建伟
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Tianjin Yiming Environmental Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00Materials not provided for elsewhere
    • C09K3/22Materials not provided for elsewhere for dust-laying or dust-absorbing

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Paints Or Removers (AREA)

Abstract

The present invention relates to technical field of environment pollution control, more particularly to a kind of water proof type chemistry filming agent for during incineration of refuse flyash transhipment and landfill and preparation method thereof.Chemical filming agent of the invention by following mass percents material composition:The functional component A being made up of the combination of one or more in sludge protein liquid, percolate dope or polyethylene glycol emulsion, modified silicon oil and formaldehyde or the reacted reaction solution of polyformaldehyde:20 40%, one or more functional component B of combination composition in polyacrylate emulsion, acetate emulsion or modified PVC emulsion:15 35%, bleeding agent 0.5 1%, remaining be water.The special chemical filming agent of flying dust prepared by the present invention foam in application produces few, overlay film has compactness higher, impermeability, and suitable hardness, pliability and adhesive force, the cladding intensity of film forming is high, film is good with the associativity of ash sample, and stability is higher, there is stronger fixed isolation effect to flying dust.Meanwhile, chemical filming agent prepared by the present invention possesses fire resistance characteristic because having compounded modified silicon oil, is particularly suited for the area that air humidity is big, precipitation is high.

Description

For the water proof type chemistry filming agent during incineration of refuse flyash transhipment and landfill
Technical field
It is more particularly to a kind of for incineration of refuse flyash transhipment and landfill the present invention relates to technical field of environment pollution control During water proof type chemistry filming agent and preparation method thereof.
Background technology
Incineration of refuse flyash is listed in danger because of the heavy metal, dioxin persistence organic pollutants containing higher concentration Dangerous discarded object, during its transhipment and outdoor landfill etc., easily forms floating dust and enters air, and the dust not only increased in air contains Amount, can more aggravate the eco-toxicity of haze, and severe contamination is caused to air, endanger residents ' health and ecological environment.
During flying dust large area landfill, the mode according to direct overlay film is isolated to incineration of refuse flyash, is reduced dust Loss etc., has that film is lightweight, easily goes for a drive, easily aging, the shortcomings of service life is short, meanwhile, film it is relatively costly, not only cause The waste of resource, and covering and tear open and lift operation trouble, it is unfavorable for the speed-raising synergy of engineering.
Flying dust is fixed by the way of the directly chemical filming agent of sprinkling, is isolated, simple to operate, overlay film effect is good, Cost is controllable.But in flying dust contain a large amount of Ca, Mg, Fe, silicate and heavy metal salt, to common polyvinyl chloride emulsion, The permeability and associativity of the chemistry filming agent such as polypropylene emulsion, polyethylene emulsion are poor, and the film generated after sprinkling is easily peelable, leads Cause overlay film failure;And it is too strong to the associativity of common acrylic polymer, laminated film breakage is easily caused, lead to not to be formed Continuous film, covers less barrier property.
Flying dust after stabilisation is during outdoor landfill, if meeting plum rain season, common chemical filming agent easily receives rainwater Wash away and reduce overlay film effect.Therefore, a kind of filming performance water proof type for being exclusively used in domestic garbage incineration flyash higher is developed Chemical filming agent, in the area that plum rain season is more long, air humidity is higher, the powder during flying dust transhipment and landfill is reduced The aspect such as dirt loss, reduction haze concentration and eco-toxicity, the management of reinforcement danger wastes, protection human settlement is respectively provided with necessarily Active promoting function.
The content of the invention
When the present invention is applied to incineration of refuse flyash transhipment and landfill for common filming agent, the membrane-binding for existing is too low Or too strong, or the phenomenon such as water proofing property difference, the drawbacks of cause overlay film to fail, it is proposed that one kind is for incineration of refuse flyash transhipment and heap Water proof type chemistry filming agent during filling out and preparation method thereof.
The present invention is achieved by the following technical programs:
A kind of water proof type chemistry filming agent for during incineration of refuse flyash transhipment and landfill,
Functional component A:20-40%;
Functional component B:15-35%;
Auxiliary element:0.5-1%;
Remaining is water;
The functional component A is:The group of one or more in sludge protein liquid, percolate dope or polyethylene glycol emulsion The reaction solution of conjunction, modified silicon oil and formaldehyde or polyformaldehyde in the case where pH value is 9-12,60-80 DEG C of reaction condition of temperature;
The modified silicon oil is:Containing hydrogen silicone oil, alcoholic extract hydroxyl group silicone oil, phenolic hydroxyl group silicone oil and amido silicon oil.
Contain large amount of complex long-chained protein class material and humus material in sludge protein liquid, percolate dope, point Sub- configuration is complicated, and without unified structure composition, but its common feature is to contain a large amount of activity-OH ,-SH in long-chain molecule structure ,- The groups such as NH ,-COO, these active groups can occur condensation polymerization and react to form high molecular polymer with aldehyde material.Sludge The partial structural formula of active ingredient such as accompanying drawing 1 in protein liquid and percolate dope.
The modified silicon oil that the present invention is quoted has reactivity with proteinaceous materials and humic class material, meanwhile, it is this kind of Modified silicon oil also can crosslink polycondensation reaction and be drawn because containing activity hydroxy, amino groups in molecular structure with formaldehyde Enter onto the polymer chain of filming agent functional component A, assign filming agent water resistance.Because the foaming characteristic of silicone oil is low, anti-foaming property strong, Also can be used as defoamer.
The functional component B is:One or more in polyacrylate emulsion, acetate emulsion or modified PVC emulsion Combination;
The auxiliary element is:Bleeding agent.
The combination of one or more, modified silicon oil in the sludge protein liquid, percolate dope or polyethylene glycol emulsion It is 1.2-2.5 with the mass ratio of formaldehyde or polyformaldehyde:0.5-0.8:1.
The bleeding agent is the combination of one or more in OEP-70, AEP, HA-LF, and above-mentioned substance is with alkaline-resisting The surfactant of feature, to adapt to the alkaline components such as the lime that contains in flying dust.
A kind of preparation method of water proof type chemistry filming agent for during incineration of refuse flyash transhipment and landfill, it is special Levy and be:
(1) by the combination of one or more, the modified silicon oil in sludge protein liquid, percolate dope or polyethylene glycol emulsion With formaldehyde or polyformaldehyde according to 1.2-2.5:0.5-0.8:1 mass ratio is added in reactor, and solution pH value to 9- is adjusted with alkali lye 12, reacted 10-30 minutes at 60-80 DEG C;
(2) in backward reaction solution add mass percent for 15-35% functional component B, 0.5-1% auxiliary into Point, remaining is water, is reacted 5-10 minutes at 70-95 DEG C;
(3) the constant one kind that generated after 9-12, recovery to normal temperature of solution pH value is adjusted with alkali lye to fly for waste incineration Water proof type chemistry filming agent during ash transhipment and landfill.
Beneficial effects of the present invention:
(1) one of chemical filming agent raw material prepared by the present invention is sludge protein liquid or percolate dope, can promote sludge With the refuse reclamation of percolate, production cost is reduced.
(2) the Large molecule active composition in sludge protein liquid or percolate dope, is gathered by the crosslinking of formaldehyde micromolecular Close, form main functional component of the network polymers as chemical filming agent, the polymer contains a large amount of amino, sulfydryl, carboxyl, The compositions such as hydroxyl, to the Ca of high content in flying dust, the compound such as Fe, Mg, Al, Na, K has stronger complexing energy to this kind of group Power, therefore the cladding intensity of film forming greatly improves, to the with strong applicability of flying dust.
(3) present invention is successfully introduced into modified silicon oil, low using its surface tension and have the characteristic of water repellency, after making compounding Chemical filming agent there is water resistance, while because silicone oil has the characteristics of foaming characteristic is low, anti-foaming property is strong, serving the work of froth breaking With.
(4) the functional component B of present invention addition, under application conditions, being interacted with functional component A, it is netted to be cross-linked to form The film of structure, and can make the overlay film there is suitable hardness, pliability and adhesive force.
(5) present invention addition bleeding agent chooses the surfactant with alkaline-resisting feature, with the stone for adapting to contain in flying dust The alkaline components such as ash, overcome and that may be present when common film forming agent is applied to flying dust overlay film react with flying dust or be corroded etc. Shortcoming.
Brief description of the drawings
The partial structural formula of active ingredient in Fig. 1 sludge proteins liquid and percolate dope.
Specific embodiment
Embodiment 1
(1) by sludge protein liquid, containing hydrogen silicone oil and formaldehyde according to 1.2:0.6:1 mass ratio is added in reactor, uses alkali lye To 11, reaction obtains reaction solution in 30 minutes to regulation solution pH value at 60 DEG C;
(2) reaction solution for taking mass percent 25%, the polyacrylate emulsion, 0.6% that add mass percent 15% OEP-70, remaining is water, is reacted 5 minutes at 95 DEG C;
(3) it is finally constant 11.5 with alkali lye regulation solution pH value, then solution is recovered to normal temperature to generate a kind of using Water proof type chemistry filming agent during incineration of refuse flyash transhipment and landfill.
Embodiment 2
(1) by the mixture of sludge protein liquid and percolate dope, alcoholic extract hydroxyl group silicone oil and polyformaldehyde according to 1.8:0.7:1 matter During amount is than addition reactor, solution pH value is adjusted to 10 with alkali lye, reaction obtains reaction solution in 20 minutes at 70 DEG C;
(2) take mass percent 40% reaction solution, add mass percent 25% acetate emulsion, 1% it is resistance to The surfactant of alkali characteristic, remaining is water, is reacted 7 minutes at 85 DEG C;
(3) finally with alkali lye adjust solution pH value it is constant 10, then by solution recover to normal temperature i.e. generate one kind be used for Water proof type chemistry filming agent during incineration of refuse flyash transhipment and landfill.
Embodiment 3
(1) by polyethylene glycol emulsion, amido silicon oil and polyformaldehyde according to 1.5:0.8:1 mass ratio is added in reactor, is used Alkali lye adjusts solution pH value to 12, and reaction obtains reaction solution in 15 minutes at 75 DEG C;
(2) take mass percent 35% reaction solution, add mass percent 18% polyacrylate emulsion and modified PVC Emulsion mixture, 0.8% HA-LF, remaining is water, is reacted 8 minutes at 75 DEG C;
(3) finally with alkali lye adjust solution pH value it is constant 12, then by solution recover to normal temperature i.e. generate one kind be used for Water proof type chemistry filming agent during incineration of refuse flyash transhipment and landfill.
Experiment:
Chemical filming agent in embodiment 1-3 is dissolved in running water the solution for being made 12% respectively, be respectively labeled as a, B, c, are that 12% polyacrylate emulsion is labeled as A as common film forming agent with mass concentration.
Incineration of refuse flyash is sieved with 100 mesh standard sieves, experiment ash sample is obtained, it is standby.
Ash sample is fitted into 4 glass culture dish of a diameter of 10cm, 1#, 2#, 3#, 4#, ash sample surface is respectively labeled as It is high with culture dish to flush.A, b, c chemistry overlay film agent solution and common film forming agent A are sprayed onto culture dish respectively with 2.0L sprayers In 1#, 2#, 3#, 4#, fountain height is 20ml.
Moisture absorption, reunion, the film formation time of ash sample in each culture dish are observed, 1 is shown in Table.
It is to be filmed be fully completed after, the wind speed for having tested air compressor with anemobiagraph is 20m/s (about 8-9 grades of wind), wind 45 degree of angle is blown, the single wind time is 1 minute, and wind experiment is carried out to 1-4# ash samples, and experimental result is shown in Table 2.
Moisture absorption, reunion, the film formation time table of ash sample in each culture dish of table 1
Unit:S
Experimental index 1# 2# 3# 4#
Wetting time 0.41 0.66 0.61 0.59
Start the reunion time 1.36 1.22 1.57 1.13
Overall film formation time 2.62 2.41 2.86 /
Ash sample wind experimental result table in each culture dish of table 2
Unit:g
1# 2# 3# 4#
Before wind 220.68 220.74 220.70 220.61
First time wind 220.68 220.74 220.70 220.00
Second wind 220.68 220.73 220.70 219.36
Third time wind 220.68 220.73 220.70 217.27
Loss amount 0 0.01 0 3.34
Proportion of goods damageds % 0 0.005 0 1.5
Hardness before drenching with rain 13.4 degree 12.8 degree 14.2 degree 6.7 degree
Hardness after drenching with rain 15.6 degree 14.3 degree 16.5 degree 5.2 degree
From table 1, the wetting time of the water proof type chemistry filming agent of present invention synthesis with start the reunion time than common Film forming agent it is relatively slow, but overall film formation time completes in about 3s, and common film forming agent is easily disconnected because of the overlay film for being formed Split, and continuous whole film cannot be formed.
Meanwhile, the wind of table 2 test result indicate that, the water proof type chemistry filming agent of present invention synthesis is sprayed onto ash surface And after film forming, under 8-9 grades of wind speed, 3 minutes membrane stabilities of wind are higher, ash sample almost free of losses, and common film forming agent because Continuous whole film can not be formed, under above-mentioned wind experiment condition, the ash sample proportion of goods damageds are about 1.5%.
Table 2 drench with rain test result indicate that, sprinkling the present invention synthesis water proof type chemistry filming agent by simulation drench with rain after, Cured layer hardness increases, and general chemistry filming agent reduces by the solidify afterwards layer hardness that drenches with rain, and the anti-effect that drenches with rain is poor.
Therefore, learnt by Experimental comparison, the water proof type chemistry filming agent moisture absorption of present invention synthesis reunites the time comparatively fast, is formed Film and ash sample associativity it is good, the stability of film is higher, and the anti-effect that drenches with rain is good, there is stronger fixed isolation effect to flying dust Really.
Although being described to the preferred embodiments of the present invention above, the invention is not limited in above-mentioned specific Implementation method, above-mentioned specific embodiment is only schematical, is not restricted, one of ordinary skill in the art Under enlightenment of the invention, in the case of present inventive concept and scope of the claimed protection is not departed from, can also make very Multi-form, these are belonged within protection scope of the present invention.

Claims (5)

1. it is a kind of for incineration of refuse flyash transhipment and landfill during water proof type chemistry filming agent, by following mass percents Material composition:
Functional component A:20-40%;
Functional component B:15-35%;
Auxiliary element:0.5-1%;
Remaining is water;
The functional component A is:The combination of one or more in sludge protein liquid, percolate dope or polyethylene glycol emulsion, Reaction solution of the modified silicon oil with formaldehyde or polyformaldehyde in the case where pH value is 9-12,60-80 DEG C of reaction condition of temperature;
The functional component B is:One or more group in polyacrylate emulsion, vinyl acetate yogurt liquid or modified PVC emulsion Close;
The auxiliary element is:Bleeding agent.
2. it is according to claim 1 it is a kind of for incineration of refuse flyash transhipment and landfill during water proof type chemistry overlay film Agent, it is characterised in that:The combination of one or more in the sludge protein liquid, percolate dope or polyethylene glycol emulsion, change Property silicone oil and formaldehyde or the mass ratio of polyformaldehyde be 1.2-2.5:0.5-0.8:1.
3. it is according to claim 1 it is a kind of for incineration of refuse flyash transhipment and landfill during water proof type chemistry overlay film Agent, it is characterised in that:The modified silicon oil is containing hydrogen silicone oil, alcoholic extract hydroxyl group silicone oil, phenolic hydroxyl group silicone oil and amido silicon oil.
4. it is according to claim 1 it is a kind of for incineration of refuse flyash transhipment and landfill during water proof type chemistry overlay film Agent, it is characterised in that:The bleeding agent is the combination of one or more in OEP-70, AEP, HA-LF.
5. it is according to claim 1 it is a kind of for incineration of refuse flyash transhipment and landfill during water proof type chemistry overlay film The preparation method of agent, it is characterised in that:
(1)By the combination of one or more in sludge protein liquid, percolate dope or polyethylene glycol emulsion and formaldehyde or poly- first Aldehyde is according to 1.2-2.5:0.5-0.8:1 mass ratio is added in reactor, solution pH value is adjusted to 9-12 with alkali lye, at 60-80 DEG C Lower reaction 10-30 minutes;
(2)Backward reaction solution in add mass percent for 15-35% functional component B, 0.5-1% auxiliary element, remaining It is water, is reacted 5-10 minutes at 70-95 DEG C;
(3)The constant one kind that generated after 9-12, recovery to normal temperature of solution pH value is adjusted with alkali lye to turn for incineration of refuse flyash Water proof type chemistry filming agent during fortune and landfill.
CN201710071964.9A 2017-02-09 2017-02-09 Waterproof chemical film coating agent for waste incineration fly ash transfer and landfill process Active CN106833529B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1854239A (en) * 2005-04-21 2006-11-01 上海久安水质稳定剂厂 Dust-coating inhibitor
CN101619205A (en) * 2009-08-13 2010-01-06 沈阳建筑大学 Modified gelatin dust suppressant and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1854239A (en) * 2005-04-21 2006-11-01 上海久安水质稳定剂厂 Dust-coating inhibitor
CN101619205A (en) * 2009-08-13 2010-01-06 沈阳建筑大学 Modified gelatin dust suppressant and preparation method thereof

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Effective date of registration: 20230110

Address after: 300392 Floor 4, Gate 1, Building 7, No. 2, Haitai Chuangxin 6th Road, Huayuan Industrial Zone, Tianjin Binhai High-tech Zone, Binhai New Area, Tianjin (outside the ring)

Patentee after: TIANJIN YIMING ENVIRONMENTAL TECHNOLOGY Co.,Ltd.

Address before: 300384 1-2-301, Qiuzeyuan, Nankai District, Tianjin

Patentee before: Wang Jianwei

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