CN110683723A - Mass separating agent for rapid phase separation of multiphase bodies and preparation method thereof - Google Patents
Mass separating agent for rapid phase separation of multiphase bodies and preparation method thereof Download PDFInfo
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- CN110683723A CN110683723A CN201911047373.3A CN201911047373A CN110683723A CN 110683723 A CN110683723 A CN 110683723A CN 201911047373 A CN201911047373 A CN 201911047373A CN 110683723 A CN110683723 A CN 110683723A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/148—Combined use of inorganic and organic substances, being added in the same treatment step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Treating Waste Gases (AREA)
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Abstract
The invention provides a mass separating agent for rapid phase separation of a multi-phase body and a preparation method thereof, wherein the mass separating agent comprises the following components in parts by weight: desulfurization ash: 30-80 parts, gas ash: 10-20 parts of limestone: 5-10 parts of dolomite: 5-10 parts of dispersant: 0.5 to 5 portions. The invention has the beneficial effects that: the quality grading agent is safe to the environment, free of toxic and side effects and free of secondary pollution in the using process, improves the quality and taste of oil sludge, and can effectively reduce the pollutant discharge amount of enterprises; the main raw material of the quality classifying agent is industrial enterprise waste, and simultaneously, the reasonable development of secondary resources is realized, so that the purpose of 'preparing waste by waste' is achieved; the quality separation can be used independently, can directly enter a production system of an oil sludge treatment enterprise, does not need to be matched with other additives, and is high in reaction speed and efficiency; most of raw materials come from industrial enterprise waste, other various medicaments are easy to obtain, the cost is low, and the method is suitable for large-scale popularization in oil sludge quality-based treatment production enterprises.
Description
Technical Field
The invention belongs to the technical field of solid waste recycling, and particularly relates to a separating agent for rapid phase separation of a multi-phase body and a preparation method thereof.
Background
Conventional multiphase body separating agents are mostly organic polymer agents, secondary pollution generated in the production process of raw materials is serious, the cost is high, the later-stage performance of separated oil is greatly influenced, the conventional organic separating agents are matched with other additives for use, the separating speed is low, the effect is poor, and the production and pollution emission reduction of related enterprises are seriously influenced.
Disclosure of Invention
In order to solve the technical problems that the traditional organic separating agent in the prior art is low in separating speed and poor in effect and is easy to cause secondary pollution, the separating agent for fast phase separation of the multi-phase body and the preparation method are provided.
The specific technical scheme is as follows:
the mass separating agent for the multiphase body rapid phase separation is characterized by comprising the following components in parts by weight:
desulfurization ash: 30-80 parts, gas ash: 10-20 parts of limestone: 5-10 parts of dolomite: 5-10 parts of dispersant: 0.5 to 5 portions.
Further, the desulfurized fly ash comprises: the flue gas of the steel sintering machine is desulfurized by adopting rotary spray drying to produce desulfurized ash of a steel sintering plant; and
power plant desulfurization ash generated by power plant flue gas desulfurization;
wherein the steel sintering desulfurization ash contains not more than 8% of water by mass and less than 0.30% of sulfur by mass; the mass percent of the activated calcium oxide of the power plant desulfurization ash is not more than 30%, and the sulfur content is less than 0.10%.
Further, the gas ash is gas ash of an iron-making plant.
Further, the dispersing agent comprises sodium lignosulfonate and polyacrylamide, and the weight part ratio of the sodium lignosulfonate to the polyacrylamide is 1: 2.
Further, the limestone contains not less than 50% by mass of calcium carbonate and less than 0.10% by mass of sulfur.
Further, the content of magnesium carbonate in the dolomite is not less than 60% by mass, and the content of sulfur is less than 0.10% by mass.
Further, the weight portion of the desulfurization ash of the steel sintering plant is 30-35 parts, and the weight portion of the desulfurization ash of the power plant is 30-35 parts.
Further, the molecular weight of the polyacrylamide is 30000-50000.
The preparation method of the mass separating agent for the multi-phase fast phase separation is different in that the components of the mass separating agent for the multi-phase fast phase separation are uniformly mixed.
Compared with the prior art, the invention has the beneficial effects that: (1) the pollutant emission in the using process of the separating agent is almost zero, the separating agent is safe to the environment, has no toxic or side effect, cannot generate the influence of secondary pollution, improves the quality and the taste of the oil sludge, and can effectively reduce the pollutant emission of enterprises; (2) the main raw material of the mass classifying agent is industrial enterprise waste, so that the problem of treating the solid waste of an enterprise is solved, reasonable development of secondary resources is realized, and the aim of preparing waste by using waste is fulfilled; (3) the quality separation can be used independently, can directly enter a production system of an oil sludge treatment enterprise, does not need to be matched with other additives, and is high in reaction speed and efficiency; (4) most of raw materials come from industrial enterprise waste, other various medicaments are easy to obtain, the cost is low, and the method is suitable for large-scale popularization in oil sludge quality-based treatment production enterprises.
Detailed Description
The principles and features of this invention are described below in conjunction with embodiments, which are included to explain the invention and not to limit the scope of the invention.
The desulfurization ash of the steel sintering plant is a byproduct generated after SDA desulfurization of the steel sintering plant and contains calcium oxide, magnesium oxide, calcium sulfite, calcium sulfate and the like, wherein the desulfurization ash of the steel sintering plant contains high-content iron oxide.
Desulfurization ash in steel sintering plants: the main raw materials of the quality-grading agent mainly aim at providing the pH value conditioning and functional carrier of the quality-grading agent and guarantee of acid-base balance of a system, the components of the ferric oxide are also an important means for improving the quality-grading effect, and the mixing amount of the ferric oxide is finely designed according to the overall performance requirement of the quality-grading agent.
The power plant desulfurization ash is a byproduct generated by FGD desulfurization of a power plant, and contains calcium oxide, magnesium oxide, calcium sulfite, calcium sulfate and the like.
Desulfurization ash of a power plant: the main body of the dispersing effect of the separating agent reacts with water, and is combined with the oil sludge carrier component to generate C-S-H gel, so that solid particles in the oil sludge can be effectively combined to form certain strength, and a separating function is realized, wherein the mixing amount is set after fine calculation according to the solid content of the specific oil sludge, the property of the specific oil sludge and the production requirement, if the mixing amount is too high, the cost is increased, the product quality of the oil sludge after separation is influenced, and if the mixing amount is too low, the using effect of the separating agent is influenced.
The steel sintering desulfurization ash contains not more than 8% of water by mass and less than 0.30% of sulfur by mass; the mass percent of the active calcium oxide of the power plant desulfurization ash is not more than 30 percent, and the sulfur content is less than 0.10 percent.
Gas ash in iron works: the main raw materials of the quality-separating agent mainly aim at providing a quality-separating function and a flocculation function carrier, wherein the control of the iron-coke ratio and the components thereof is also an important means for improving the quality-separating effect and the quality of later-stage products. The mixing amount is also designed according to the overall performance requirement of the quality-separating agent.
Limestone: limestone is a systematic mineralizer, the desliming performance and the reaction activity of the mass separating agent can be effectively improved in the reaction process, the mixing amount of the limestone is obtained through scientific calculation, the mixing amount is lower than 5%, the system solid particles are not completely solidified, secondary pollution can be caused, the mineralization effect is poor, the mixing amount is higher than 10%, the chemical combination performance of the mass separating agent is poor, the system discharge suspension amount can be increased, and the system reaction speed is obviously reduced. The limestone contains calcium carbonate not less than 50% by mass and sulfur less than 0.10% by mass.
Dolomite: dolomite is also system desulfurizer and mineralizer, can effectively improve the consolidation performance and the reactivity of branch matter agent in reaction process, its doping amount is calculated through the science, its doping amount is less than 5%, system's desulfurization thoroughly can arouse secondary pollution, mineralization effect also can be relatively poor, its doping amount is higher than 10%, branch matter agent quality performance can be poor, the system discharges the suspended solid volume and can increase, system's reaction rate also descends obviously, dolomite and limestone combined use, according to 1: 1, selecting the proportion. The dolomite comprises magnesium carbonate with a content not less than 60% by mass and sulfur with a content less than 0.10% by mass.
The dispersant comprises:
sodium lignosulfonate: mainly has the dispersing function, can reduce the surface tension and promote the dispersing effect of various active ingredients in the system. The content of sodium lignosulfonate is lower than 1%, the surface tension is not obviously reduced, and the content is higher than 2%, so that the viscosity in a system is increased, the uniformity of reaction materials is influenced, and the cost is increased.
The molecular weight is 30000-50000 polyacrylamide: the main surfactant is used in combination with sodium lignosulfonate, and the weight ratio of the main surfactant to the sodium lignosulfonate is 1:2, control is performed.
Example one
The components of the mass separating agent for fast phase separation of multiple phases are forcibly mixed uniformly by a dry method according to the following parts by weight.
Desulfurization ash in steel sintering plants: 30 parts of (1); desulfurization ash of a power plant: 30 parts of (1); gas ash in iron works: 30 parts of (1); dolomite: 9 parts of (1); limestone: 9 parts of (1); dispersing agent: and 2 parts.
Example two
The components of the mass separating agent for fast phase separation of multiple phases are forcibly mixed uniformly by a dry method according to the following parts by weight.
Desulfurization ash in steel sintering plants: 35 parts of (B); desulfurization ash of a power plant: 25 parts of (1); gas ash in iron works: 25 parts of (1); dolomite: 7 parts; limestone: 7 parts; dispersing agent: 1 part.
EXAMPLE III
The components of the mass separating agent for fast phase separation of multiple phases are forcibly mixed uniformly by a dry method according to the following parts by weight.
Desulfurization ash in steel sintering plants: 35 parts of (B); desulfurization ash of a power plant: 20 parts of (1); gas ash in iron works: 30 parts of (1); dolomite: 6 parts of (1); limestone: 6 parts of (1); dispersing agent: and 3 parts.
Example four
The three-component agent of the first embodiment to the third embodiment is used for the oil sludge quality separation production at the bottom of the Jingmen petrochemical tank, and the key parameters of the production system and the product quality results are recorded as shown in the following table 1.
TABLE 1 Key parameters of production system and product quality results
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The mass separating agent for the rapid phase separation of the multiphase body is characterized by comprising the following components in parts by weight:
desulfurization ash: 30-80 parts, gas ash: 10-20 parts of limestone: 5-10 parts of dolomite: 5-10 parts of dispersant: 0.5 to 5 portions.
2. The mass transfer agent for rapid phase separation of a multi-phase body according to claim 1, wherein the desulfurized ash comprises: the flue gas of the steel sintering machine is desulfurized by adopting rotary spray drying to produce desulfurized ash of a steel sintering plant; and
power plant desulfurization ash generated by power plant flue gas desulfurization;
wherein the steel sintering desulfurization ash contains not more than 8% of water by mass and less than 0.30% of sulfur by mass; the mass percent of the activated calcium oxide of the power plant desulfurization ash is not more than 30%, and the sulfur content is less than 0.10%.
3. The mass transfer agent for rapid phase separation of a multiphase body according to claim 1, wherein the gas ash is iron mill gas ash.
4. The separating agent for the rapid phase separation of a multi-phase body as claimed in claim 1, wherein the dispersing agent comprises sodium lignosulfonate and polyacrylamide, and the weight ratio of the sodium lignosulfonate to the polyacrylamide is 1: 2.
5. The mass transfer agent for rapid phase separation of multi-phase bodies according to claim 1, wherein the limestone has a calcium carbonate content of not less than 50% by mass and a sulfur content of less than 0.10% by mass.
6. The mass transfer agent for rapid phase separation of a multi-phase body according to claim 1, wherein the dolomite contains not less than 60% by mass of magnesium carbonate and less than 0.10% by mass of sulfur.
7. The mass transfer agent for the multiphase rapid phase separation according to claim 2, wherein the weight part of the steel sintering plant desulfurization ash is 30-35 parts, and the weight part of the plant desulfurization ash is 30-35 parts.
8. The mass transfer agent for rapid phase separation of a multi-phase body according to claim 4, wherein the molecular weight of the polyacrylamide is 30000-50000.
9. The method for preparing a separating agent for rapid phase separation of a multiphase body according to claim 1, wherein the components of the separating agent for rapid phase separation of a multiphase body are uniformly mixed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911047373.3A CN110683723B (en) | 2019-10-30 | 2019-10-30 | Mass separating agent for rapid phase separation of multiphase bodies and preparation method thereof |
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| CN201911047373.3A CN110683723B (en) | 2019-10-30 | 2019-10-30 | Mass separating agent for rapid phase separation of multiphase bodies and preparation method thereof |
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| CN110683723A true CN110683723A (en) | 2020-01-14 |
| CN110683723B CN110683723B (en) | 2022-11-11 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2956222A1 (en) * | 2013-02-14 | 2015-12-23 | Baker Hughes Incorporated | Colloidal silica addition to promote the separation of oil from water |
| WO2016034884A1 (en) * | 2014-09-05 | 2016-03-10 | Darlow Lloyd & Sons Limited | Reuse of by-products from metallurgical processes, processing of waste materials and products thereof |
| CN105907955A (en) * | 2016-06-17 | 2016-08-31 | 武汉钢铁股份有限公司 | Inorganic binder for oxidized pellets and manufacturing method |
| CN107098552A (en) * | 2017-05-10 | 2017-08-29 | 中国石油大学(华东) | A kind of oily sludge takes off liquor treating process and processing unit |
| CN109095740A (en) * | 2018-10-15 | 2018-12-28 | 中石化石油工程技术服务有限公司 | Oily sludge method for innocent treatment |
-
2019
- 2019-10-30 CN CN201911047373.3A patent/CN110683723B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2956222A1 (en) * | 2013-02-14 | 2015-12-23 | Baker Hughes Incorporated | Colloidal silica addition to promote the separation of oil from water |
| WO2016034884A1 (en) * | 2014-09-05 | 2016-03-10 | Darlow Lloyd & Sons Limited | Reuse of by-products from metallurgical processes, processing of waste materials and products thereof |
| CN105907955A (en) * | 2016-06-17 | 2016-08-31 | 武汉钢铁股份有限公司 | Inorganic binder for oxidized pellets and manufacturing method |
| CN107098552A (en) * | 2017-05-10 | 2017-08-29 | 中国石油大学(华东) | A kind of oily sludge takes off liquor treating process and processing unit |
| CN109095740A (en) * | 2018-10-15 | 2018-12-28 | 中石化石油工程技术服务有限公司 | Oily sludge method for innocent treatment |
Non-Patent Citations (1)
| Title |
|---|
| 迟耀辉等: "《新型建筑材料》", 31 March 2019, 武汉大学出版社 * |
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