CN110668723A - Piling sludge curing agent coupling metallurgical slag and industrial byproducts and preparation method thereof - Google Patents
Piling sludge curing agent coupling metallurgical slag and industrial byproducts and preparation method thereof Download PDFInfo
- Publication number
- CN110668723A CN110668723A CN201911138221.4A CN201911138221A CN110668723A CN 110668723 A CN110668723 A CN 110668723A CN 201911138221 A CN201911138221 A CN 201911138221A CN 110668723 A CN110668723 A CN 110668723A
- Authority
- CN
- China
- Prior art keywords
- industrial
- parts
- powder
- curing agent
- slag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
- C04B12/005—Geopolymer cements, e.g. reaction products of aluminosilicates with alkali metal hydroxides or silicates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/28—Mixtures thereof with other inorganic cementitious materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a piling sludge curing agent coupling metallurgical slag and industrial byproducts, which comprises, by mass, 40-60 parts of slag micro powder, 10-20 parts of industrial byproduct desulfurized gypsum, 2-10 parts of silica fume of a silicon oxide enterprise flue, 3-5 parts of industrial powder water glass and 2-5 parts of industrial powder sodium hydroxide. Grinding granulated blast furnace slag of a steel mill into powder by a vortex drying grinder to prepare slag micro powder; weighing silicon ash in a flue of a silicon oxide enterprise, industrial powder water glass and industrial powder sodium hydroxide according to a formula ratio; placing the powder materials of all the components in a cavity of a vortex drying pulverizer; and discharging the mixture piling sludge curing agent, bagging, sealing and sealing to obtain the finished product of the piling sludge curing agent. The invention improves the utilization rate of metallurgical solid waste and industrial solid waste, can solve the problem of resource utilization of a large amount of piling sludge, and can solve the problem of high water content of the piling sludge.
Description
Technical Field
The invention belongs to the technical field of metallurgical waste residue treatment and recycling, particularly relates to a piling sludge curing agent coupling metallurgical slag and industrial byproducts, and particularly relates to a preparation method of the piling sludge curing agent coupling metallurgical slag and industrial byproducts.
Background
The construction industry refers to the production of pile foundations, which are deep foundations composed of piles and pile top bearing platforms. The pile is divided into a friction pile and an end bearing pile according to the stress condition, and the friction pile is used for bearing the weight of the upper building structure by utilizing the friction between the pile wall and the surrounding silt; the end-bearing pile is used for driving the pile into underground solid stratum and transferring the load of the upper building structure to the solid stratum through the pile body.
The metallurgical waste residue refers to various solid wastes generated in the production process of the metallurgical industry. Mainly blast furnace slag and steel slag generated in an iron-making furnace; various non-ferrous metal slag produced by non-ferrous metal smelting, such as copper slag, lead slag, zinc slag, nickel slag and the like; and red mud discharged from alumina extraction from bauxite and a small amount of iron oxide slag generated in a steel rolling process. At present, the utilization rate of blast furnace slag is 70-85% and the utilization rate of steel slag is only about 25% in China.
The existing piling sludge has huge production amount, most of the existing disposal methods are sea filling and dumping, and the production amount is larger than the disposal amount; the sludge is generally cured by a curing agent, most of the existing curing agent technology is a liquid curing agent, the water content of the piling sludge dehydrated by a filter press exceeds the standard, and if the liquid curing agent is used, the piling sludge needs to be diluted by adding water and then mixed, so that the water content of the piling sludge is far higher than the use standard, and the piling sludge cannot be applied in large quantities; the resource utilization rate is very low. Therefore, there is a need for a piling sludge curing agent using metallurgical slag coupled with industrial byproducts and a method for preparing the same.
Disclosure of Invention
The invention aims to provide a piling sludge curing agent coupling metallurgical slag and industrial byproducts and a preparation method thereof, and aims to solve the problems that the water content of sludge exceeds the standard, the sludge is not easy to treat and the metallurgical slag cannot be effectively utilized in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the formula of the piling sludge curing agent comprises, by mass, 40-60 parts of slag micro powder, 10-20 parts of industrial byproduct desulfurized gypsum, 2-10 parts of silica fume of a silicon oxide enterprise flue, 3-5 parts of industrial powder water glass and 2-5 parts of industrial powder sodium hydroxide.
Preferably, the formula of the piling sludge curing agent comprises, by mass, 40 parts of slag micro powder, 10 parts of industrial byproduct desulfurized gypsum, 2 parts of silica fume of a silicon oxide enterprise flue, 3 parts of industrial powder sodium silicate and 2 parts of industrial powder sodium hydroxide.
Preferably, the formula of the piling sludge curing agent comprises 60 parts of slag micro powder, 20 parts of industrial byproduct desulfurized gypsum, 10 parts of silica fume of a silicon oxide enterprise flue, 5 parts of industrial powder sodium silicate and 5 parts of industrial powder sodium hydroxide by mass.
Preferably, the formula of the piling sludge curing agent comprises, by mass, 50 parts of slag micro powder, 15 parts of industrial byproduct desulfurized gypsum, 6 parts of silica fume of a silicon oxide enterprise flue, 4 parts of industrial powder sodium silicate and 4 parts of industrial powder sodium hydroxide.
Preferably, when the flue silicon ash of the silicon oxide enterprise is ferroalloy for smelting ferrosilicon and industrial silicon, a large amount of SiO with strong volatility is generated in the ore-smelting electric furnace2And Si gas, which is quickly oxidized with air after being discharged, condensed and precipitated to form ash powder.
Preferably, the industrial byproduct desulfurized gypsum is lime-limestone which is ground into slurry, SO that the SO is contained after dust removal2Is passed through the slurry scrubber to remove SO2Lime slurry and SO2The reaction generates calcium sulfate and calcium sulfite, and the calcium sulfite is oxidized and converted into calcium sulfate, thereby obtaining the industrial byproduct desulfurized gypsum.
The invention also provides a preparation method of the piling sludge curing agent by coupling the metallurgical slag and the industrial byproducts, which comprises the following steps:
s1, grinding the granulated blast furnace slag of the steel mill into powder by a vortex drying pulverizer, wherein the specific surface area is required to be more than 400m2Per kg, the water content is less than 1 percent, and slag micro powder is prepared for standby;
s2, dehydrating the industrial byproduct desulfurized gypsum until the water content is less than 1%, and putting the industrial byproduct desulfurized gypsum into a vortex drying pulverizer to pulverize into powder, wherein the specific surface area is required to be more than 400m2Obtaining desulfurized gypsum for later use;
s3, crushing the waste glass to the particle diameter of less than 15mm, and grinding the waste glass in a vortex drying grinder to the specific surface area of more than 400m2Per kg, obtaining glass micro powder for later use;
s4, weighing silicon oxide enterprise flue silica fume, industrial powder water glass and industrial powder sodium hydroxide according to the formula proportion for later use;
s5, placing all the component powder materials in the S1-S4 into a cavity of a vortex drying pulverizer through a cutter-suction conveyer belt, and blowing and mixing for 5-10 minutes at a high speed to obtain a mixture, wherein the mixture is the piling sludge curing agent;
s6, discharging the mixture piling sludge curing agent, bagging, sealing and sealing to obtain the finished product of the piling sludge curing agent.
Preferably, the rotating speed of the vortex drying pulverizer during working is not lower than 600r/min, a screen is arranged in a discharge port of the vortex drying pulverizer, and powder with the diameter meeting the use requirement is screened out through the screen.
The invention has the technical effects and advantages that: compared with the prior art, the piling sludge curing agent coupling the metallurgical slag and the industrial byproduct and the preparation method thereof provided by the invention have the following advantages:
1. according to the invention, by coupling the metallurgical waste residues and the industrial byproducts to prepare the piling sludge curing agent, the resource utilization of slag, desulfurized gypsum and flue silica fume is increased, and the utilization rate of metallurgical solid waste and industrial solid waste is improved;
2. the invention utilizes the curing agent obtained by coupling the metallurgical waste residue and the industrial byproduct to reduce other cost investment when the piling sludge is cured, can accelerate the curing of the sludge and improve the treatment speed of the sludge, so that a large amount of sludge can be utilized;
3. the invention utilizes the curing agent obtained by coupling the metallurgical waste residue and the industrial byproduct, directly carries out input curing without water dilution, does not increase the water content of the sludge, and solves the problem that the existing piling sludge has higher water content and is difficult to treat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The formula of the piling sludge curing agent comprises, by mass, 40 parts of slag micro powder, 10 parts of industrial byproduct desulfurized gypsum, 2 parts of silica fume of a silicon oxide enterprise, 3 parts of industrial powder sodium silicate and 2 parts of industrial powder sodium hydroxide. The flue silicon ash of the silicon oxide enterprise is ferroalloy, and a large amount of SiO with strong volatility is generated in the ore-smelting electric furnace when ferrosilicon and industrial silicon are smelted2And Si gas, which is quickly oxidized with air after being discharged, condensed and precipitated to form ash powder. The industrial byproduct desulfurized gypsum is lime-limestone which is ground into slurry, SO that the SO is contained after dust removal2Is passed through the slurry scrubber to remove SO2Lime slurry and SO2The reaction generates calcium sulfate and calcium sulfite, and the calcium sulfite is oxidized and converted into calcium sulfate, thereby obtaining the industrial byproduct desulfurized gypsum.
The invention relates to a preparation method of a piling sludge curing agent by coupling metallurgical slag and industrial byproducts, which comprises the following steps:
s1, grinding the granulated blast furnace slag of the steel mill into powder by a vortex drying pulverizer, wherein the specific surface area is required to be more than 400m2Per kg, the water content is less than 1 percent, and slag micro powder is prepared for standby;
s2, dehydrating the industrial byproduct desulfurized gypsum until the water content is less than 1%, and putting the industrial byproduct desulfurized gypsum into a vortex drying pulverizer to pulverize into powder, wherein the specific surface area is required to be more than 400m2Obtaining desulfurized gypsum for later use;
s3, crushing the waste glass to the particle diameter of less than 15mm, and grinding the waste glass in a vortex drying grinder to the specific surface area of more than 400m2Per kg, obtaining glass micro powder for later use;
s4, weighing silicon oxide enterprise flue silica fume, industrial powder water glass and industrial powder sodium hydroxide according to the formula proportion for later use;
s5, placing all the component powder materials in the S1-S4 into a cavity of a vortex drying pulverizer through a cutter suction type conveyer belt, blowing air at a high speed for mixing for 5-10 minutes to obtain a mixture, wherein the mixture is the piling sludge curing agent, the rotating speed of the vortex drying pulverizer during working is not lower than 600r/min, a screen is arranged in a discharge port of the vortex drying pulverizer, and powder materials with the diameter meeting the use requirement are screened out through the screen;
s6, discharging the mixture piling sludge curing agent, bagging, sealing and sealing to obtain the finished product of the piling sludge curing agent.
Example 2
The formula of the piling sludge curing agent comprises, by mass, 60 parts of slag micro powder, 20 parts of industrial byproduct desulfurized gypsum, 10 parts of silica fume of a silicon oxide enterprise, 5 parts of industrial powder water glass and 5 parts of industrial powder sodium hydroxide. The flue silicon ash of the silicon oxide enterprise is ferroalloy, and a large amount of SiO with strong volatility is generated in the ore-smelting electric furnace when ferrosilicon and industrial silicon are smelted2And Si gas, which is quickly oxidized with air after being discharged, condensed and precipitated to form ash powder. The industrial byproduct desulfurized gypsum is lime-limestone which is ground into slurry, SO that the SO is contained after dust removal2Is passed through the slurry scrubber to remove SO2Lime slurry and SO2The reaction generates calcium sulfate and calcium sulfite, and the calcium sulfite is oxidized and converted into calcium sulfate, thereby obtaining the industrial byproduct desulfurized gypsum.
The invention relates to a preparation method of a piling sludge curing agent by coupling metallurgical slag and industrial byproducts, which comprises the following steps:
s1, grinding the granulated blast furnace slag of the steel mill into powder by a vortex drying pulverizer, wherein the specific surface area is required to be more than 400m2Per kg, the water content is less than 1 percent, and slag micro powder is prepared for standby;
s2, dehydrating the industrial byproduct desulfurized gypsum until the water content is less than 1%, and putting the industrial byproduct desulfurized gypsum into a vortex drying pulverizer to pulverize into powder, wherein the specific surface area is required to be more than 400m2Obtaining desulfurized gypsum for later use;
s3, crushing the waste glass to the particle diameter of less than 15mm, and grinding the waste glass in a vortex drying grinder to the specific surface area of more than 400m2Per kg, obtaining glass micro powder for later use;
s4, weighing silicon oxide enterprise flue silica fume, industrial powder water glass and industrial powder sodium hydroxide according to the formula proportion for later use;
s5, placing all the component powder materials in the S1-S4 into a cavity of a vortex drying pulverizer through a cutter suction type conveyer belt, blowing air at a high speed for mixing for 5-10 minutes to obtain a mixture, wherein the mixture is the piling sludge curing agent, the rotating speed of the vortex drying pulverizer during working is not lower than 600r/min, a screen is arranged in a discharge port of the vortex drying pulverizer, and powder materials with the diameter meeting the use requirement are screened out through the screen;
s6, discharging the mixture piling sludge curing agent, bagging, sealing and sealing to obtain the finished product of the piling sludge curing agent.
Example 3
The formula of the piling sludge curing agent comprises, by mass, 50 parts of slag micro powder, 15 parts of industrial byproduct desulfurized gypsum, 6 parts of silica fume of a silicon oxide enterprise, 4 parts of industrial powder sodium silicate and 4 parts of industrial powder sodium hydroxide. The flue silicon ash of the silicon oxide enterprise is ferroalloy, and a large amount of SiO with strong volatility is generated in the ore-smelting electric furnace when ferrosilicon and industrial silicon are smelted2And Si gas, which is quickly oxidized with air after being discharged, condensed and precipitated to form ash powder. The industrial byproduct desulfurized gypsum is lime-limestone which is ground into slurry, SO that the SO is contained after dust removal2Is passed through the slurry scrubber to remove SO2Lime slurry and SO2The reaction generates calcium sulfate and calcium sulfite, and the calcium sulfite is oxidized and converted into calcium sulfate, thereby obtaining the industrial byproduct desulfurized gypsum.
The invention relates to a preparation method of a piling sludge curing agent by coupling metallurgical slag and industrial byproducts, which comprises the following steps:
s1, passing the granulated blast furnace slag of steel mill through a vortexThe fluid drying pulverizer grinds the powder to be powdery, and the specific surface area is required to be more than 400m2Per kg, the water content is less than 1 percent, and slag micro powder is prepared for standby;
s2, dehydrating the industrial byproduct desulfurized gypsum until the water content is less than 1%, and putting the industrial byproduct desulfurized gypsum into a vortex drying pulverizer to pulverize into powder, wherein the specific surface area is required to be more than 400m2Obtaining desulfurized gypsum for later use;
s3, crushing the waste glass to the particle diameter of less than 15mm, and grinding the waste glass in a vortex drying grinder to the specific surface area of more than 400m2Per kg, obtaining glass micro powder for later use;
s4, weighing silicon oxide enterprise flue silica fume, industrial powder water glass and industrial powder sodium hydroxide according to the formula proportion for later use;
s5, placing all the component powder materials in the S1-S4 into a cavity of a vortex drying pulverizer through a cutter suction type conveyer belt, blowing air at a high speed for mixing for 5-10 minutes to obtain a mixture, wherein the mixture is the piling sludge curing agent, the rotating speed of the vortex drying pulverizer during working is not lower than 600r/min, a screen is arranged in a discharge port of the vortex drying pulverizer, and powder materials with the diameter meeting the use requirement are screened out through the screen;
s6, discharging the mixture piling sludge curing agent, bagging, sealing and sealing to obtain the finished product of the piling sludge curing agent.
The three groups of embodiments of the invention are as follows:
| example 1 | Example 2 | Example 3 | |
| Slag micropowder | 40 portions of | 60 portions of | 50 portions of |
| Industrial by-product desulfurized gypsum | 10 portions of | 20 portions of | 15 portions of |
| Silica fume flue silica fume for silica enterprises | 2 portions of | 10 portions of | 6 portions of |
| Industrial powder water glass | 3 portions of | 5 portions of | 4 portions of |
| Industrial powder sodium hydroxide | 2 portions of | 5 portions of | 4 portions of |
To sum up, the three groups of embodiments utilize the piling sludge curing agent coupling the metallurgical slag and the industrial byproducts, and in practical application, the invention increases the resource utilization of slag, desulfurized gypsum and flue silica fume by coupling the metallurgical slag and the industrial byproducts to prepare the piling sludge curing agent, thereby improving the utilization rate of metallurgical solid waste and industrial solid waste; the method is used for curing the piling sludge, so that other cost investment is reduced, the curing of the sludge can be accelerated, the treatment speed of the sludge is improved, and a large amount of sludge can be utilized; need not to carry out the water dilution, directly drop into the solidification, can not increase the water content of silt, solved the higher difficult problem of handling of current pile silt moisture content.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. A piling sludge curing agent utilizing coupling of metallurgical slag and industrial byproducts, characterized in that: the formula of the piling sludge curing agent comprises, by mass, 40-60 parts of slag micro powder, 10-20 parts of industrial byproduct desulfurized gypsum, 2-10 parts of silica fume of a silicon oxide enterprise flue, 3-5 parts of industrial powder water glass and 2-5 parts of industrial powder sodium hydroxide.
2. A piled sludge curing agent using metallurgical slag coupled with industrial byproducts according to claim 1 wherein: the formula of the piling sludge curing agent comprises, by mass, 40 parts of slag micro powder, 10 parts of industrial byproduct desulfurized gypsum, 2 parts of silica fume of a silica enterprise flue, 3 parts of industrial powder water glass and 2 parts of industrial powder sodium hydroxide.
3. A piled sludge curing agent using metallurgical slag coupled with industrial byproducts according to claim 1 wherein: the formula of the piling sludge curing agent comprises, by mass, 60 parts of slag micro powder, 20 parts of industrial byproduct desulfurized gypsum, 10 parts of silica fume of a silica enterprise flue, 5 parts of industrial powder water glass and 5 parts of industrial powder sodium hydroxide.
4. A piled sludge curing agent using metallurgical slag coupled with industrial byproducts according to claim 1 wherein: the formula of the piling sludge curing agent comprises, by mass, 50 parts of slag micro powder, 15 parts of industrial byproduct desulfurized gypsum, 6 parts of silica fume of a silicon oxide enterprise flue, 4 parts of industrial powder water glass and 4 parts of industrial powder sodium hydroxide.
5. A piled sludge curing agent using metallurgical slag coupled with industrial byproducts according to claim 1 wherein: the flue silicon ash of the silicon oxide enterprise is ferroalloy, and a large amount of SiO with strong volatility is generated in the ore-smelting electric furnace when ferrosilicon and industrial silicon are smelted2And Si gas, which is quickly oxidized with air after being discharged, condensed and precipitated to form ash powder.
6. A piled sludge curing agent using metallurgical slag coupled with industrial byproducts according to claim 1 wherein: the industrial byproduct desulfurized gypsum is lime-limestone which is ground into slurry, SO that the SO is contained after dust removal2Is passed through the slurry scrubber to remove SO2Lime slurry and SO2The reaction generates calcium sulfate and calcium sulfite, and the calcium sulfite is oxidized and converted into calcium sulfate, thereby obtaining the industrial byproduct desulfurized gypsum.
7. A method of preparing a piled sludge solidified agent using a metallurgical slag coupled with an industrial by-product according to claim 1, comprising the steps of:
s1, grinding the granulated blast furnace slag of the steel mill into powder by a vortex drying pulverizer, wherein the specific surface area is required to be more than 400m2Per kg, the water content is less than 1 percent, and slag micro powder is prepared for standby;
s2, dehydrating the industrial byproduct desulfurized gypsum until the water content is less than 1%, and putting the industrial byproduct desulfurized gypsum into a vortex drying pulverizer to pulverize into powder, wherein the specific surface area is required to be more than 400m2Obtaining desulfurized gypsum for later use;
s3, crushing the waste glass to the particle diameter of less than 15mm, and grinding the waste glass in a vortex drying grinder to the specific surface area of more than 400m2Per kg, obtaining glass micro powder for later use;
s4, weighing silicon oxide enterprise flue silica fume, industrial powder water glass and industrial powder sodium hydroxide according to the formula proportion for later use;
s5, placing all the component powder materials in the S1-S4 into a cavity of a vortex drying pulverizer through a cutter-suction conveyer belt, and blowing and mixing for 5-10 minutes at a high speed to obtain a mixture, wherein the mixture is the piling sludge curing agent;
s6, discharging the mixture piling sludge curing agent, bagging, sealing and sealing to obtain the finished product of the piling sludge curing agent.
8. The method for preparing a piled sludge firming agent by coupling metallurgical slag with industrial byproducts according to claim 7, wherein the method comprises the following steps: the rotating speed of the vortex drying pulverizer during working is not lower than 600r/min, a screen is arranged in a discharge port of the vortex drying pulverizer, and powder meeting the use requirement is screened out through the screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138221.4A CN110668723A (en) | 2019-11-20 | 2019-11-20 | Piling sludge curing agent coupling metallurgical slag and industrial byproducts and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138221.4A CN110668723A (en) | 2019-11-20 | 2019-11-20 | Piling sludge curing agent coupling metallurgical slag and industrial byproducts and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110668723A true CN110668723A (en) | 2020-01-10 |
Family
ID=69087864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911138221.4A Pending CN110668723A (en) | 2019-11-20 | 2019-11-20 | Piling sludge curing agent coupling metallurgical slag and industrial byproducts and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110668723A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807737A (en) * | 2020-08-10 | 2020-10-23 | 山东理工大学 | Water-resistant composite cementing material for roads and preparation method thereof |
| CN116003082A (en) * | 2022-11-02 | 2023-04-25 | 东华大学 | Silt curing agent and device for curing silt by using same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7387674B1 (en) * | 2007-06-01 | 2008-06-17 | Kap Sok Yi | Method for solidifying soil and industrial waste, and solidified materials prepared thereby |
| CN103787599A (en) * | 2013-09-17 | 2014-05-14 | 天津良鸿机械有限公司 | Soft foundation silt curing agent |
| CN105236908A (en) * | 2015-10-22 | 2016-01-13 | 浙江大学宁波理工学院 | Soft soil curing agent prepared by means of industrial residues |
| CN107226661A (en) * | 2017-04-28 | 2017-10-03 | 余思哲 | A kind of dredging silt composite curing agent and preparation method thereof |
| CN110078457A (en) * | 2019-05-24 | 2019-08-02 | 唐山工业职业技术学院 | A kind of groundwork firming agent for soft soil prepared using industrial residue |
-
2019
- 2019-11-20 CN CN201911138221.4A patent/CN110668723A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7387674B1 (en) * | 2007-06-01 | 2008-06-17 | Kap Sok Yi | Method for solidifying soil and industrial waste, and solidified materials prepared thereby |
| CN103787599A (en) * | 2013-09-17 | 2014-05-14 | 天津良鸿机械有限公司 | Soft foundation silt curing agent |
| CN105236908A (en) * | 2015-10-22 | 2016-01-13 | 浙江大学宁波理工学院 | Soft soil curing agent prepared by means of industrial residues |
| CN107226661A (en) * | 2017-04-28 | 2017-10-03 | 余思哲 | A kind of dredging silt composite curing agent and preparation method thereof |
| CN110078457A (en) * | 2019-05-24 | 2019-08-02 | 唐山工业职业技术学院 | A kind of groundwork firming agent for soft soil prepared using industrial residue |
Non-Patent Citations (2)
| Title |
|---|
| 刘志红等: "《进口固体废物属性鉴别案例汇编》", 30 June 2015 * |
| 李子成: "《无机胶凝材料项目化教程》", 30 June 2014 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807737A (en) * | 2020-08-10 | 2020-10-23 | 山东理工大学 | Water-resistant composite cementing material for roads and preparation method thereof |
| CN116003082A (en) * | 2022-11-02 | 2023-04-25 | 东华大学 | Silt curing agent and device for curing silt by using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102424875B (en) | Method for preparing sponge iron from sulfate cinder | |
| CN106348712A (en) | Cementing filling material for co-processing lead-containing dangerous wastes of mine and preparation method of cementing filling material | |
| CN110668723A (en) | Piling sludge curing agent coupling metallurgical slag and industrial byproducts and preparation method thereof | |
| CN105622023B (en) | A kind of sludge curing agent using clinker | |
| CN103588405B (en) | Slag is utilized to wash the method for ball milling mud production geology polymkeric substance | |
| CN106396592A (en) | Mine cemented filling material for co-processing cadmium-containing hazardous wastes and preparation method of mine cemented filling material | |
| CN107201424A (en) | The technique that a kind of utilization electrolytic aluminium factory aluminium cell slag from delining produces deoxidizer in steel production | |
| CN112679195A (en) | Black road brick prepared from steel slag and preparation method thereof | |
| CN102417939A (en) | Method for preparing high-activity powder by using dry blast furnace slag | |
| CN107162534A (en) | A kind of grouting material and preparation method thereof | |
| CN109437646A (en) | A kind of gunite concrete special emulsion type accelerator | |
| CN113979655B (en) | Modified steel slag based on steel dust mud and red mud, and preparation method and application thereof | |
| CN108863267A (en) | A kind of preparation method of heavy metal curing agent | |
| CN115679097A (en) | Method for recycling iron-making gas ash by using converter slag and refined dedusting ash | |
| CN108911660B (en) | Consolidation material for electrolytic manganese slag stabilization treatment and application thereof | |
| CN103451355A (en) | Production technology of composite slagging agent for steelmaking | |
| CN107500659A (en) | A kind of RPC suitable for science of bridge building | |
| CN106587840A (en) | Method for preparing converter steel slag non-fired haydite | |
| JP2016510255A (en) | Titanium-containing aggregate, production method thereof and use thereof | |
| CN111533497B (en) | Cementing material for enhancing stability of tailing dam and application thereof | |
| CN107805023A (en) | A kind of mine paste filling material and preparation method thereof | |
| CN105198243A (en) | Water-proof ultra-fine slag powder and preparation method thereof | |
| CN115716738B (en) | Production process of high-strength steel slag brick | |
| CN103789511A (en) | Fluorite spheres and preparation method thereof | |
| CN110563353A (en) | Method for preparing steel slag composite micro powder by utilizing slag and steelmaking tailings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |