CN109926433A - A kind of solid waste environment-friendly type film forming curing agent and its application method - Google Patents
A kind of solid waste environment-friendly type film forming curing agent and its application method Download PDFInfo
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- CN109926433A CN109926433A CN201910256877.XA CN201910256877A CN109926433A CN 109926433 A CN109926433 A CN 109926433A CN 201910256877 A CN201910256877 A CN 201910256877A CN 109926433 A CN109926433 A CN 109926433A
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- solid waste
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Abstract
A kind of solid waste environment-friendly type film forming curing agent of the present invention and its application method, belong to solid waste curing process, field of preventing and remedying pollution, the component and weight percent for including are as follows: 0~30 part of inorganic aggregates；10~30 parts of curing molding agent；Gu 1~5 part of sulphur nitrogen fixation agent；5~20 parts of water.Using curing agent solidification solid waste simple process, easily controllable, material can satisfy the requirement of complete alternation carbonization gasification process after curing molding.Solid waste forming and hardening block compression strength 300N or more, drop strength and thermal stability can reach 80% or more, and 50.0% or more sulfur-fixing rate, solidification effect is significant.The curing agent contains solid sulphur, fixed nitrogen, solid metal component, makes material solid sulphur, solid nitre during pyrolytic gasification, and in conjunction with the metal pollutant in solid waste, forms the high metal salt compound of stability.
Description
Technical field
The invention belongs to solid waste curing process, field of preventing and remedying pollution, and in particular to a kind of solid waste of the present invention
Object environment-friendly type film forming curing agent and its application method.
Background technique
In the exploration and development of petroleum, a series of processes such as petroleum gas collection is defeated, petroleum refining and oily waste water treatment
In can all generate oily sludge.The greasy filth that the development and utilization of petroleum generate can be divided into different type by its source: (1) tank bottom oil
Mud；(2) ground sludge；(3) " three mud of oil plant ".Oily sludge water content is high, and volume is big, the oil field and oil refining enterprise of various regions
It generates a large amount of untreated or incomplete oily sludge of processing and has changed into petroleum, petroleum chemical enterprise's heavy burden.
Oily sludge ingredient is sufficiently complex, and moisture therein exists with various states, it may be possible to oil-in-water, it is also possible to oil packet
Water adds some suspended solids, together constitutes a heterogeneous system, emulsion stability is high, and viscosity is larger, and solid phase is difficult thorough
Bottom sedimentation, processing difficulty are larger.Oily sludge is included in " National Hazard waste catalogue " (HW-8) by China.
Tar slag is the solid industrial waste residue with certain viscosity that coal generates in coking or gasification.China is burnt
Charcoal big producer, the tar quantity of slag that coking generates is big and also tar slag in containing there are many nocuousness such as naphthalene, fluoranthene, phenanthrene, pyrene, fluorenes
Multiring aromatic hydrocarbon and macromolecule resin substance, it is useless that Environmental Protection Administration expressly provides that the tar slag that coke-oven plant generates belongs to dangerous solid
Gurry HM-11.Contain a large amount of fixed carbon and organic component, calorific value with higher in tar slag, therefore need to take and effectively arrange
Applying turns waste into wealth it.Tar Slag treatment the methods of mainly has solvent extraction, is centrifugated, prepares active carbon at present.At these
Reason method be difficult technically, economically, environmental emission standard reach requirement.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of solid waste environment-friendly type film forming curing agent and
Its application method can achieve preferable intensity and thermal stability using curing agent solidification solid waste.
Technical solution of the present invention:
A kind of solid waste environment-friendly type film forming curing agent, the component for including and weight ratio are as follows: inorganic aggregates 0~30
Part；10~30 parts of curing molding agent；Gu 1~5 part of sulphur nitrogen fixation agent；5~20 parts of water.
Further, the component of the inorganic aggregates is aluminium oxide, in silica, iron oxide, sodium oxide molybdena, magnesia
It is one or more.
Further, the component of the forming agent be sodium metasilicate, sodium metasilicate, sodium carbonate, sodium hydroxide, calcium sulfate,
One of bentonite, starch, polyvinyl alcohol, humic acid, vegetable oil angle are a variety of.
Further, the solid sulphur nitrogen fixation agent is one of calcium oxide, magnesia.
Further, solid organic castoff and solid waste environment-friendly type film forming curing agent are mixed equal
Even, pressure ball molding is placed 12-24 hours, solid waste, that is, curable.
Further, the weight ratio of solid waste the environment-friendly type film forming curing agent and solid organic castoff
Example is 1%-5%.
Further, being stirred to react temperature is 30~40 DEG C.
The principle of solidification of the invention:
Environment-friendly type film forming curing agent can make the organic wastes film hardenings such as particulate carbonaceous fuel, greasy filth, be formed outer
The firm spherical agglomerates of shell make the curing agent containing moisture move to the surface of agglomerate rapidly under capillarity auxiliary, generate
A kind of uniqueness " eggshell " formed by the soluble binder enriched layer generated, to form firm and low-moisture piece of group.It should
Agglomerate has certain surface strength, while this layer " eggshell " can prevent to absorb moisture from air.The present invention contains solid sulphur, consolidates
Nitrogen, solid metal component make material solid sulphur, solid nitre during pyrolytic gasification, and in conjunction with the metal pollutant in ash content, are formed
The high metal salt compound of stability.Material after film forming fully meets complete alternation carbonization gasification process and requires, oil,
Gas, fixed carbon recycle completely, tailings qualified discharge.
The advantages of the present invention
The present invention has the advantage that
1, the compression strength 300N or more of solid waste forming and hardening block of the present invention, drop strength and thermal stability can reach
80% or more, 50.0% or more sulfur-fixing rate, solidification effect is significant.
2, component used in curing agent of the present invention is from a wealth of sources compared with organic reagent based on inorganic constituents, cheap, cost
It is low.
3, inorganic aggregates used in curing agent of the present invention is Ke Xunhuanliyong, has reached waste utilization, has both improved economic benefit
It is conducive to environmental protection again.
4, the material after film forming fully meets the requirement of complete alternation carbonization gasification process, and oil, gas, fixed carbon are complete
It recycles, tailings qualified discharge.
Specific embodiment
In order to further illustrate the present invention, the present invention is described in detail below with reference to embodiment, but cannot be by it
Be interpreted as limiting the scope of the present invention.
Embodiment 1:
Configure curing agent: 15g aluminium oxide, 15g silica, 5g sodium metasilicate, 5g calcium oxide, 20 grams of water, 30 DEG C of temperature
Heating is mixed evenly up to curing agent, takes the Hubei 100g greasy filth to be added 1 gram of curing agent, continues stirring operation, to
It stirs evenly, pressure ball molding, places 24 hours, solid waste, that is, curable, the greasy filth cured block compression strength after solidifying after measured
625N, drop strength 96.37%, thermal stability 99.83%, other properties are shown in Table 1.
Embodiment 2:
It is configured to the cured curing agent of tar slag: 10g silica, 5g iron oxide, 5g sodium oxide molybdena, 1g sodium carbonate, 1g
Calcium sulfate, 2g polyvinyl alcohol, 4g magnesia, 10 grams of water, 35 DEG C of temperature heating are mixed evenly up to curing agent, take 100g
Curing agent 2.5g is added in tar slag, continues stirring operation, and to be mixed uniform, pressure ball molding is placed 12 hours, and solid waste is
It is curable, the tar slag cured block compression strength 602N after solidifying after measured, drop strength 94.01%, thermal stability
92.94%, other properties are shown in Table 1.
Embodiment 3:
It is configured to the cured curing agent of tar slag: 0.5g sodium carbonate, 0.5g polyvinyl alcohol, 1g calcium oxide, 5g water, 40 DEG C
Temperature heating is mixed evenly up to curing agent, takes 100g greasy filth that curing agent 5g is added, continues stirring operation, to be mixed
Uniformly, pressure ball molding is placed 20 hours, solid waste, that is, curable, the greasy filth cured block compression strength after solidifying after measured
515N, drop strength 92.83%, thermal stability 82.33%, other properties are shown in Table 1.
Solid waste index after 1 curing molding of table
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of solid waste environment-friendly type film forming curing agent, it is characterised in that: the component and weight ratio for including are as follows: nothing
0~30 part of machine aggregate；10~30 parts of curing molding agent；Gu 1~5 part of sulphur nitrogen fixation agent；5~20 parts of water.
2. a kind of solid waste environment-friendly type film forming curing agent according to claim 1, it is characterised in that: described
The component of inorganic aggregates is one of aluminium oxide, silica, iron oxide, sodium oxide molybdena, magnesia or a variety of.
3. a kind of solid waste environment-friendly type film forming curing agent according to claim 1, it is characterised in that: described
The component of forming agent is sodium metasilicate, sodium metasilicate, sodium carbonate, sodium hydroxide, calcium sulfate, bentonite, starch, polyvinyl alcohol, corruption
Grow one of acid, vegetable oil angle or a variety of.
4. a kind of solid waste environment-friendly type film forming curing agent according to claim 1, it is characterised in that: described
Gu sulphur nitrogen fixation agent is one of calcium oxide, magnesia.
5. a kind of application method of solid waste environment-friendly type film forming curing agent according to claim 1, feature
It is: solid organic castoff and solid waste environment-friendly type film forming curing agent is mixed evenly, pressure ball molding is put
It sets 12-24 hours, solid waste, that is, curable.
6. a kind of solid waste environment-friendly type film forming curing agent according to claim 5, it is characterised in that: described
The weight ratio of solid waste environment-friendly type film forming curing agent and solid organic castoff is 1%-5%.
7. a kind of solid waste environment-friendly type film forming curing agent according to claim 5, it is characterised in that: stirring is anti-
Answering temperature is 30~40 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453948A (en) * | 2020-04-02 | 2020-07-28 | 北京北控京仪环保科技有限公司 | Oil-containing sludge forming system and method |
| CN112266793A (en) * | 2020-09-27 | 2021-01-26 | 重庆亿源环保工程有限公司 | Method for preparing warming agent by using solid waste |
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| JPH01150430A (en) * | 1987-12-08 | 1989-06-13 | Takeshi Hayashi | Production of ceramic core |
| CN1031519A (en) * | 1988-04-18 | 1989-03-08 | 四川石油管理局川西南矿区 | Solidification treatment technology for waste drilling mud |
| CN1824726A (en) * | 2006-02-13 | 2006-08-30 | 北京中煤矿山工程有限公司 | Solidification method of rejected well drilling liquid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111453948A (en) * | 2020-04-02 | 2020-07-28 | 北京北控京仪环保科技有限公司 | Oil-containing sludge forming system and method |
| CN112266793A (en) * | 2020-09-27 | 2021-01-26 | 重庆亿源环保工程有限公司 | Method for preparing warming agent by using solid waste |
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