CN111574131A - Baking-free brick for recycling saline-alkali soil by using soil curing agent and preparation method thereof - Google Patents
Baking-free brick for recycling saline-alkali soil by using soil curing agent and preparation method thereof Download PDFInfo
- Publication number
- CN111574131A CN111574131A CN202010539959.8A CN202010539959A CN111574131A CN 111574131 A CN111574131 A CN 111574131A CN 202010539959 A CN202010539959 A CN 202010539959A CN 111574131 A CN111574131 A CN 111574131A
- Authority
- CN
- China
- Prior art keywords
- soil
- parts
- saline
- baking
- free brick
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/36—Inorganic materials not provided for in groups C04B14/022 and C04B14/04 - C04B14/34
- C04B14/361—Soil, e.g. laterite
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A baking-free brick for recycling saline-alkali soil by using a soil curing agent and a preparation method thereof relate to the technical field of environmental protection. The invention aims to solve the problems of complicated preparation steps of the baked bricks, large consumption of soil and heat energy and large emission of CO2To a problem of (a). A baking-free brick for recycling saline-alkali soil by using a soil curing agent comprises, by weight, 50-95 parts of saline-alkali soil, 0-50 parts of municipal sludge, 5-10 parts of cement, 8-10 parts of water and 0.01-0.2 part of the soil curing agent. The method comprises the following steps: mixing cement, saline-alkali soil and municipal sludge to obtain a cement saline-alkali soil mixed material; mixing the cement saline-alkali soil mixed material with a soil curing agent and water, adding acid liquor, and continuously mixing to obtain a baking-free brick mixed material; will not burnAnd (3) pressing and forming the brick mixture at normal temperature, and naturally curing to obtain a baking-free brick finished product. The invention can obtain the baking-free brick for recycling the saline-alkali soil by using the soil curing agent and the preparation method thereof.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a baking-free brick for recycling saline-alkali soil by using a soil curing agent and a preparation method thereof.
Background
Saline-alkali soil, also known as soil salinization, is a soil disaster caused by natural or human factors, and is a worldwide resource problem and ecological problem. The salinized soil refers to a general name or a general name of a series of soils which are salinized or alkalized to different degrees under the action of saline-alkali components. During the salinization process of soil, soluble salts are accumulated on the surface layer of soil, and the alkalization of soil means that exchangeable sodium in the soil is increased to generate sodium naturation. The two are mutually related, and the occurrence and development of the two are complex dynamic processes formed by coupling a plurality of factors such as the matrix of the mature soil, the climate, the hydrology, the vegetation, the human activities and the like. The salinization of the soil can directly generate salt stress on vegetation, reduce the effectiveness of soil nutrients and further deteriorate the soil structure, not only cause the destruction of land resources and the loss of agricultural production, but also form great threat to the ecological environment and directly and indirectly influence the survival of human beings and the sustainable development of resources and environment.
The salinized soil in China is widely distributed and has various types. The second soil general survey in China shows that about 3600 million hectares of salinized soil are mainly distributed in parts of inland and coastal areas in northwest, north China and northeast China, wherein nearly 13333 million hectares with agricultural utilization potential account for more than 10 percent of the total cultivated land area in China, and the area also has the sign of increasing year by year, thus directly threatening the national food safety problem. Therefore, the scientific and reasonable development and utilization of saline-alkali soil resources have very important strategic significance for guaranteeing the cultivated land area of the country and guaranteeing the national food safety.
With the increasing demand for energy conservation and emission reduction of various countries in the world, the baking-free product has the characteristics of low production cost, simple process, environmental protection and the like and is widely produced and applied. The steps of the baked brick in the preparation process are complicated, not only a large amount of soil is consumed, but also a large amount of heat energy is consumed, and a large amount of CO is discharged2And does not meet the policy of energy conservation and emission reduction in China.
Disclosure of Invention
The invention aims to solve the problems of complicated preparation steps of the baked bricks, large consumption of soil and heat energy and large emission of CO2The problem to be solved is to provide a baking-free brick for recycling the saline-alkali soil by using the soil curing agent and a preparation method thereof.
A baking-free brick for recycling saline-alkali soil by using a soil curing agent comprises, by weight, 50-95 parts of saline-alkali soil, 0-50 parts of municipal sludge, 5-10 parts of cement, 8-10 parts of water, 0.01-0.2 part of the soil curing agent and 0.01-0.1 part of acid liquor.
A preparation method of baking-free bricks for recycling saline-alkali soil by using a soil curing agent comprises the following steps:
mixing 5-10 parts of cement, 50-95 parts of saline-alkali soil and 0-50 parts of municipal sludge in parts by weight for 3-15 min to obtain a cement saline-alkali soil mixture; mixing the cement saline-alkali soil mixed material with 0.01-0.1 part of soil curing agent and 8-10 parts of water, mixing for 3-30 min, adding 0.01-0.1 part of acid liquor, and continuously mixing for 3-5 min to obtain a baking-free brick mixed material; and (3) pressing and forming the baking-free brick mixture at normal temperature, and naturally curing to obtain a baking-free brick finished product.
The invention has the beneficial effects that:
the invention relates to a baking-free brick for recycling saline-alkali soil by using a soil curing agent and a preparation method thereof, wherein the saline-alkali soil is used as a main material of the baking-free brick, and municipal sludge is used as an admixture material, so that the saline-alkali soil is recycled, and the consumption of a large amount of soil is reduced; sintering is not needed in the preparation process, so that the preparation steps are simplified, and heat energy is saved; the prior brick prepared by adopting sintering or oxygen steaming process can generate CO2The baking-free brick does not generate CO2And the green and clean brick making process is realized.
The prior baking-free brick is prepared from saline-alkali soil, and the salt content and the alkali content of the saline-alkali soil are higher, so that the prepared baking-free brick has the phenomenon of surface efflorescence, the appearance is influenced, and the market popularization and application of baking-free brick products are not facilitated; in the invention, a proper amount of acid liquor such as oxalic acid solution or tartaric acid solution is added in the preparation process of the baking-free brick, so that the alkalinity of the saline-alkali soil can be neutralized, the problem of surface efflorescence of the baking-free brick is solved, the attractiveness and practicability of the baking-free brick product are improved, and the product popularization and market application of the baking-free brick are facilitated.
The soil curing agent is added in the invention, and is a soil body modifier, and after being mixed with the soil body, the soil curing agent generates a series of physical and chemical reactions, and a thin water film wrapped on the surface of each fine particle is removed, so that the engineering property of the soil body is changed, and the hydrophilic soil is thoroughly changed into hydrophobic soil. The soil curing agent reacts with each other to generate a surfactant, the surfactant contains hydrophilic groups such as sulfonic groups and carboxylic groups, the hydrophobic groups are mainly alkyl groups, and the like, and the surfactant can change soil bodies into hydrophobic groups, so that the material has high strength and water resistance (softening coefficient).
The invention can obtain the baking-free brick for recycling the saline-alkali soil by using the soil curing agent and the preparation method thereof.
Detailed Description
The first embodiment is as follows: the baking-free brick for recycling the saline-alkali soil by using the soil stabilizer comprises, by weight, 50-95 parts of saline-alkali soil, 0-50 parts of municipal sludge, 5-10 parts of cement, 8-10 parts of water, 0.01-0.2 part of the soil stabilizer and 0.01-0.1 part of acid liquor.
The second embodiment is as follows: the present embodiment differs from the present embodiment in that: the soil curing agent comprises, by weight, 100 parts of water, 5-20 parts of a surfactant, 1-5 parts of boric acid, 1-5 parts of borate, 1-5 parts of citric acid or 1-5 parts of citrate.
Other steps are the same as those in the first embodiment.
The third concrete implementation mode: the first or second differences from the present embodiment are as follows: the surfactant is one or more of sodium methyl propylene sulfonate, polyoxyethylene allyl ester, dioctyl sodium sulfosuccinate, stearate, alkyl ether carboxylate and butyl naphthalene sulfonate.
The other steps are the same as those in the first or second embodiment.
The fourth concrete implementation mode: the difference between this embodiment and one of the first to third embodiments is as follows: the acid solution is oxalic acid solution or tartaric acid solution.
The other steps are the same as those in the first to third embodiments.
The fifth concrete implementation mode: the embodiment provides a preparation method of a baking-free brick for recycling saline-alkali soil by using a soil curing agent, which comprises the following steps:
mixing 5-10 parts of cement, 50-95 parts of saline-alkali soil and 0-50 parts of municipal sludge in parts by weight for 3-15 min to obtain a cement saline-alkali soil mixture; mixing the cement saline-alkali soil mixed material with 0.01-0.1 part of soil curing agent and 8-10 parts of water, mixing for 3-30 min, adding 0.01-0.1 part of acid liquor, and continuously mixing for 3-5 min to obtain a baking-free brick mixed material; and (3) pressing and forming the baking-free brick mixture at normal temperature, and naturally curing to obtain a baking-free brick finished product.
The beneficial effects of the embodiment are as follows:
the method for recycling the saline-alkali soil through the soil curing agent comprises the following steps of taking the saline-alkali soil as a main material of the baking-free brick, taking municipal sludge as an admixture, recycling the saline-alkali soil, and reducing the consumption of a large amount of soil; sintering is not needed in the preparation process, so that the preparation steps are simplified, and heat energy is saved; the prior brick prepared by adopting sintering or oxygen steaming process can generate CO2The baking-free brick does not generate CO2And the green and clean brick making process is realized.
The prior baking-free brick is prepared from saline-alkali soil, and the salt content and the alkali content of the saline-alkali soil are higher, so that the prepared baking-free brick has the phenomenon of surface efflorescence, the appearance is influenced, and the market popularization and application of baking-free brick products are not facilitated; according to the embodiment, a proper amount of acid liquor such as oxalic acid solution or tartaric acid solution is added in the preparation process of the baking-free brick, so that the alkalinity of the saline-alkali soil can be neutralized, the problem of surface efflorescence of the baking-free brick is solved, the attractiveness and the practicability of the baking-free brick product are improved, and the product popularization and the market application of the baking-free brick are facilitated.
Secondly, a soil curing agent is added in the embodiment, the soil curing agent is a soil body modifier, a series of physical and chemical reactions are generated after the soil curing agent is mixed with the soil body, and a thin water film layer wrapped on the surface of each fine particle is removed, so that the engineering property of the soil body is changed, and the hydrophilic soil is thoroughly changed into hydrophobic soil. In the embodiment, the soil curing agent reacts with each other to generate a surfactant which contains hydrophilic groups such as sulfonic group and carboxylic group, the hydrophobic groups are mainly alkyl and the like, and the surfactant can change soil into hydrophobic groups, so that the material has high strength and water resistance (softening coefficient), the average compressive strength of the baking-free brick prepared by the embodiment is 27.4-31.4 MPa, the minimum compressive strength is 22.4-25.8 MPa, and the softening coefficient is 0.87-0.92.
The sixth specific implementation mode: the fifth embodiment is different from the fifth embodiment in that: the soil curing agent comprises, by weight, 100 parts of water, 5-20 parts of a surfactant, 1-5 parts of boric acid, 1-5 parts of borate, 1-5 parts of citric acid or 1-5 parts of citrate.
The other steps are the same as those in the fifth embodiment.
The seventh embodiment: the fifth or sixth embodiment is different from the specific embodiment in that: the surfactant is one or more of sodium methyl propylene sulfonate, polyoxyethylene allyl ester, dioctyl sodium sulfosuccinate, stearate, alkyl ether carboxylate and butyl naphthalene sulfonate.
The other steps are the same as in the fifth or sixth embodiment.
The specific implementation mode is eight: the fifth to seventh embodiments are different from the first to seventh embodiments in that: the cement is 425# Portland cement.
The other steps are the same as those in the fifth to seventh embodiments.
The specific implementation method nine: the fifth to eighth differences from the present embodiment are: the pH value of the soil curing agent is 7-12.
The other steps are the same as those in the fifth to eighth embodiments.
The detailed implementation mode is ten: the fifth to ninth embodiments are different from the fifth to ninth embodiments in that: the acid solution is oxalic acid solution or tartaric acid solution.
The other steps are the same as those in the fifth to ninth embodiments.
The oxalic acid solution or the tartaric acid solution can reduce the alkalinity of the brick surface to be neutral, and the brick surface has no efflorescence phenomenon.
The following examples were used to demonstrate the beneficial effects of the present invention:
the saline-alkali soils used in the following examples and comparative examples were all derived from Hami, and the results of analysis of the salt content thereof are shown in Table 1:
TABLE 1
From the above analysis results, it is found that the alkali-containing salt content of the saline-alkali soil is very high, the soil is strongly alkaline, and the total salt content is 1% or more.
The first embodiment is as follows: a preparation method of baking-free bricks for recycling saline-alkali soil by using a soil curing agent comprises the following steps:
adding 6 parts of cement and 94 parts of saline-alkali soil into a first mixing bin according to the parts by weight, and mixing for 15min to obtain a cement saline-alkali soil mixed material; adding a cement saline-alkali soil mixed material, 0.018 parts of soil curing agent and 8 parts of water into a second mixing bin, mixing for 30min, adding 0.05 parts of oxalic acid solution, and continuously mixing for 5min to obtain a baking-free brick mixed material, wherein the soil curing agent consists of 100 parts of water, 9 parts of surfactant and 3 parts of citric acid in parts by weight, and the surfactant consists of 30 parts of sodium methallyl sulfonate, 30 parts of polyoxyethylene allyl ester, 10 parts of sodium dioctyl sulfosuccinate and 30 parts of butyl naphthalene sulfonate in parts by weight; and (3) putting the baking-free brick mixture into a brick making machine bin at normal temperature for pressing and forming, then mechanically stacking, spraying water, and naturally curing at normal temperature for 5-7 days to obtain a baking-free brick finished product.
The finished baking-free bricks (240mm × 115mm × 90mm) obtained in this example were tested for average compressive strength, minimum compressive strength and water resistance of 5 baking-free bricks according to GB 8239-97 standard. Tests show that the baking-free brick prepared by the embodiment has the average compressive strength of 31.4MPa, the lowest compressive strength of 25.8MPa and the softening coefficient of 0.92.
Comparative example one: a preparation method of baking-free bricks for recycling saline-alkali soil by using a soil curing agent comprises the following steps:
adding 6 parts of cement and 94 parts of saline-alkali soil into a first mixing bin according to the parts by weight, and mixing for 15min to obtain a cement saline-alkali soil mixed material; adding the mixed material of the cement saline-alkali soil and 8 parts of water into a second mixing silo, mixing for 30min, adding 0.05 part of oxalic acid solution, and continuously mixing for 5min to obtain a baking-free brick mixture; and (3) putting the baking-free brick mixture into a brick making machine bin at normal temperature for pressing and forming, then mechanically stacking, spraying water, and naturally curing at normal temperature for 5-7 days to obtain a baking-free brick finished product.
The finished baking-free bricks (240mm × 115mm × 90mm) obtained in this example were tested for average compressive strength, minimum compressive strength and water resistance of 5 baking-free bricks according to GB 8239-97 standard. Tests prove that the baking-free brick prepared by the embodiment has the average compressive strength of 12.8MPa and the softening coefficient of 0; in this example, the softening coefficient was 0 because the soil body was still hydrophilic without adding a soil stabilizer.
Example two: a preparation method of baking-free bricks for recycling saline-alkali soil by using a soil curing agent comprises the following steps:
adding 7 parts of cement, 64 parts of saline-alkali soil and 29 parts of municipal sludge into a first mixing bin according to the parts by weight, and mixing for 15min to obtain a cement saline-alkali soil mixed material; adding a cement saline-alkali soil mixed material, 0.015 part of soil curing agent and 8 parts of water into a second mixing bin, mixing for 30min, adding 0.05 part of tartaric acid solution, and continuously mixing for 5min to obtain a baking-free brick mixed material, wherein the soil curing agent consists of 100 parts of water, 8 parts of surfactant and 4 parts of boric acid in parts by weight, and the surfactant consists of 40 parts of sodium methallylate, 40 parts of polyoxyethylene allyl ester and 20 parts of sodium dioctyl sulfosuccinate in parts by weight; and (3) putting the baking-free brick mixture into a brick making machine bin at normal temperature for pressing and forming, then mechanically stacking, spraying water, and naturally curing at normal temperature for 5-7 days to obtain a baking-free brick finished product.
The finished baking-free bricks (240mm × 115mm × 90mm) obtained in this example were tested for average compressive strength, minimum compressive strength and water resistance of 5 baking-free bricks according to GB 8239-97 standard. Tests show that the baking-free brick prepared by the embodiment has the average compressive strength of 27.4MPa, the minimum compressive strength of 22.4MPa and the softening coefficient of 0.87.
Claims (10)
1. A baking-free brick for recycling saline-alkali soil by using a soil curing agent is characterized by comprising 50-95 parts of saline-alkali soil, 0-50 parts of municipal sludge, 5-10 parts of cement, 8-10 parts of water, 0.01-0.2 part of the soil curing agent and 0.01-0.1 part of acid liquor in parts by weight.
2. The baking-free brick for recycling the saline-alkali soil by using the soil solidifying agent as claimed in claim 1, wherein the soil solidifying agent comprises 100 parts by weight of water and 5-20 parts by weight of surfactant, and 1-5 parts by weight of boric acid, 1-5 parts by weight of borate, 1-5 parts by weight of citric acid or 1-5 parts by weight of citrate.
3. The baking-free brick for recycling treatment of saline-alkali soil by using the soil curing agent as claimed in claim 2, wherein the surfactant is one or more of sodium methallyl sulfonate, polyoxyethylene allyl ester, dioctyl sodium sulfosuccinate, stearate, alkyl ether carboxylate and butyl naphthalene sulfonate.
4. The baking-free brick for recycling the saline-alkali soil by using the soil solidifying agent as claimed in claim 1, wherein the acid solution is oxalic acid solution or tartaric acid solution.
5. The preparation method of the baking-free brick for the resource treatment of the saline-alkali soil by the soil solidifying agent as claimed in claim 1, which is characterized by comprising the following steps:
mixing 5-10 parts of cement, 50-95 parts of saline-alkali soil and 0-50 parts of municipal sludge in parts by weight for 3-15 min to obtain a cement saline-alkali soil mixture; mixing the cement saline-alkali soil mixed material with 0.01-0.1 part of soil curing agent and 8-10 parts of water, mixing for 3-30 min, adding 0.01-0.1 part of acid liquor, and continuously mixing for 3-5 min to obtain a baking-free brick mixed material; and (3) pressing and forming the baking-free brick mixture at normal temperature, and naturally curing to obtain a baking-free brick finished product.
6. The method for preparing the baking-free brick for the resource treatment of the saline-alkali soil by the soil solidifying agent according to claim 5, wherein the soil solidifying agent comprises 100 parts by weight of water and 5-20 parts by weight of surfactant, and 1-5 parts by weight of boric acid, 1-5 parts by weight of borate, 1-5 parts by weight of citric acid or 1-5 parts by weight of citrate.
7. The method for preparing the baking-free brick for the resource treatment of the saline-alkali soil by the soil curing agent as claimed in claim 6, wherein the surfactant is one or more of sodium methallyl sulfonate, polyoxyethylene allyl ester, dioctyl sodium sulfosuccinate, stearate, alkyl ether carboxylate and butyl naphthalene sulfonate.
8. The method for preparing the baking-free brick for the resource treatment of the saline-alkali soil by the soil curing agent as claimed in claim 5, wherein the cement is 425# Portland cement.
9. The method for preparing the baking-free brick for the resource treatment of the saline-alkali soil by the soil solidifying agent according to claim 5 or 6, wherein the pH value of the soil solidifying agent is 7-12.
10. The method for preparing the baking-free brick for the resource treatment of the saline-alkali soil by the soil solidifying agent as claimed in claim 5, wherein the acid solution is oxalic acid solution or tartaric acid solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010539959.8A CN111574131A (en) | 2020-06-12 | 2020-06-12 | Baking-free brick for recycling saline-alkali soil by using soil curing agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010539959.8A CN111574131A (en) | 2020-06-12 | 2020-06-12 | Baking-free brick for recycling saline-alkali soil by using soil curing agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111574131A true CN111574131A (en) | 2020-08-25 |
Family
ID=72118346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010539959.8A Pending CN111574131A (en) | 2020-06-12 | 2020-06-12 | Baking-free brick for recycling saline-alkali soil by using soil curing agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111574131A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873954A (en) * | 2021-12-12 | 2022-08-09 | 碳中和(山东)产业发展有限公司 | Method for preparing baking-free brick from saline-alkali soil |
| CN116217022A (en) * | 2023-03-10 | 2023-06-06 | 中国长江三峡集团有限公司 | Sludge curing agent, preparation method and application of cured sludge |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100807243B1 (en) * | 2007-06-28 | 2008-02-28 | 임세규 | The material composition using mainly yerrow soil for civil engineering and construction |
| CN101659867A (en) * | 2009-09-21 | 2010-03-03 | 路振国 | Saline-alkali soil conditioner and preparation method thereof |
| CN102372473A (en) * | 2010-08-10 | 2012-03-14 | 吴征 | Novel soil baking-free brick technology |
| CN106866066A (en) * | 2017-01-18 | 2017-06-20 | 包宗义 | It is non-burning brick that special soil body stabilizing agent recycling treatment municipal sludge is manufactured |
| CN111018444A (en) * | 2019-12-27 | 2020-04-17 | 山东易路建通环保新技术有限公司 | Baking-free brick manufactured by adopting Xinjiang saline-alkali soil and manufacturing method thereof |
-
2020
- 2020-06-12 CN CN202010539959.8A patent/CN111574131A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100807243B1 (en) * | 2007-06-28 | 2008-02-28 | 임세규 | The material composition using mainly yerrow soil for civil engineering and construction |
| CN101659867A (en) * | 2009-09-21 | 2010-03-03 | 路振国 | Saline-alkali soil conditioner and preparation method thereof |
| CN102372473A (en) * | 2010-08-10 | 2012-03-14 | 吴征 | Novel soil baking-free brick technology |
| CN106866066A (en) * | 2017-01-18 | 2017-06-20 | 包宗义 | It is non-burning brick that special soil body stabilizing agent recycling treatment municipal sludge is manufactured |
| CN111018444A (en) * | 2019-12-27 | 2020-04-17 | 山东易路建通环保新技术有限公司 | Baking-free brick manufactured by adopting Xinjiang saline-alkali soil and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873954A (en) * | 2021-12-12 | 2022-08-09 | 碳中和(山东)产业发展有限公司 | Method for preparing baking-free brick from saline-alkali soil |
| CN116217022A (en) * | 2023-03-10 | 2023-06-06 | 中国长江三峡集团有限公司 | Sludge curing agent, preparation method and application of cured sludge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111574131A (en) | Baking-free brick for recycling saline-alkali soil by using soil curing agent and preparation method thereof | |
| DE2620865A1 (en) | FIBER-REINFORCED, CEMENT-BASED, HYDRATED REACTION PRODUCT AND PROCESS FOR ITS PRODUCTION | |
| CN105384419B (en) | A kind of preparation method of antibacterial and antimildew function mortar | |
| CN105541254A (en) | Environment-friendly curing agent for processing high-water-content sludge | |
| CN106866066B (en) | Baking-free brick manufactured by treating municipal sludge through special soil stabilizer resource | |
| CN103787609A (en) | Glue reducing agent for concrete and preparation method of glue reducing agent | |
| CN106800384A (en) | A kind of composite modified method for improving magnesium oxychloride cementing material performance | |
| CN108424030A (en) | A kind of collapse protection type Concrete strength agent and its preparation method and application | |
| CN113416033A (en) | Dredged sludge non-sintered ceramsite and preparation method thereof | |
| CN110818360A (en) | Expanded perlite foam light soil and preparation method thereof | |
| CN102329150B (en) | Concrete foaming agent and preparation method thereof | |
| CN111018444A (en) | Baking-free brick manufactured by adopting Xinjiang saline-alkali soil and manufacturing method thereof | |
| CN112167005A (en) | Preparation method of artificial soil particles based on sludge | |
| CN110981365A (en) | Baking-free brick manufactured by sand washing mud and manufacturing method thereof | |
| CN105858749B (en) | A kind of dedicated sewage-treating agent of livestock and poultry cultivation and preparation method thereof | |
| CN1194928C (en) | Cement mortar additive | |
| CN113060985A (en) | Environment-friendly anti-freezing concrete and preparation method thereof | |
| CN109251269B (en) | Preparation method of modified natural chitin bio-based high-performance polycarboxylate superplasticizer | |
| CN106542752A (en) | A kind of native polywater mud material and preparation method thereof | |
| KR20230143966A (en) | Soil stabilization method according to slope slope | |
| CN112341059B (en) | Anti-cracking concrete and preparation method thereof | |
| CN108609896A (en) | A kind of Organic-inorganic composite concrete retarder | |
| CN113717729A (en) | Novel soil stabilizer | |
| CN108101453B (en) | Plant-growing type porous concrete for slope protection | |
| CN112608109A (en) | Method for producing high-performance concrete by using industrial waste residues |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200825 |