CN114477669A

CN114477669A - Water-repellent enhancement liquid and preparation method and application thereof

Info

Publication number: CN114477669A
Application number: CN202111589448.8A
Authority: CN
Inventors: 王梓远
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-13
Anticipated expiration: 2041-12-23
Also published as: CN114477669B

Abstract

The application relates to the technical field of resource utilization of solid pollutants, in particular to a water-repellency enhancing liquid and a preparation method and application thereof. The provided water repellency enhancing liquid comprises a water repellent agent, an alkaline assistant, an enhancer and a dispersing agent which are compounded for use, wherein the water repellent agent and the alkaline assistant can activate active ingredients such as iron oxide, aluminum oxide, magnesium oxide and calcium oxide in the sludge raw material to perform a crosslinking reaction to improve the strength under the synergistic effect, and is favorable for killing bacterial viruses in the product; the synergistic effect of the reinforcing agent and the dispersing agent can activate effective components in the sludge raw material to generate chemical reaction, so that a compact structure is formed in the material, and the strength of the material is greatly increased. Meanwhile, the water-repellent enhancement liquid can react and slightly expand on the sludge particles, and the sludge particles can be completely prevented from being permeated by water after being dried, so that the strength of the sludge particles and products can be better ensured, a solid foundation is laid for the complete utilization of the sludge, and the wide application of the water-repellent enhancement liquid is improved.

Description

Water-repellent enhancement liquid and preparation method and application thereof

Technical Field

The application belongs to the technical field of resource utilization of solid pollutants, and particularly relates to a water-repellency enhancing liquid as well as a preparation method and application thereof.

Background

The sludge is cohesive soil which is deposited in still water or slow flowing water environment, is formed by biochemical action, has natural water content larger than a liquid limit and has natural pore ratio larger than or equal to 1.5. Forming a modern deposit under the condition of participation of microorganisms, wherein the modern deposit is rich in organic matters and is generally gray black; low mechanical strength and high compression performance. The silt belongs to special soil and has different characteristics from common soil. The water content of the silt soft soil is higher, generally more than 40 percent, and the silt soft soil has rheological property and thixotropy; the color is generally dark gray or dark green, and has odor; a natural porosity ratio greater than 1.0; containing organic matters, even becoming peat soil (when the content of the organic matters is more than 50 percent); low strength, high compressibility, poor water permeability, low shear strength, etc.

The sludge is a solid pollutant calibrated in China, and the governments in the center and various places have also successively issued legal and legal policies aiming at sludge treatment, but municipal facilities blockage and water source and land pollution events caused by the sludge can be frequently seen on televisions and newspapers. Because the amount of sludge is actually too large, and different types, different regions and different chemical compositions of sludge exist, the treatment process has high flexibility and high treatment cost. The large amount of sludge causes great damage to the environment, but at the same time, the sludge is stranded. Therefore, the method has important practical significance for the cyclic utilization research of the sludge.

At present, the biggest influence in the sludge treatment process is that the strength of an obtained product is low due to high water content and high viscosity of the sludge, so that higher cost needs to be invested in the processes of secondary processing by adopting various sludge treatment methods, resource waste is easily caused, and secondary pollution is caused; and the obtained processed product has poor quality and cannot be widely used.

Disclosure of Invention

The application aims to provide a water-repellency enhancing liquid, a preparation method and application thereof, and aims to solve the problem that in the prior art, a high-strength product is difficult to obtain in a sludge processing process, and the subsequent use of the sludge product is influenced.

In order to achieve the purpose of the application, the technical scheme adopted by the application is as follows:

in a first aspect, the present application provides a water-repellency enhancing liquid, which comprises the following components in parts by weight:

in a second aspect, the present application provides a method for preparing a water-repellency enhancing liquid, comprising the following steps:

providing a component according to the water repellency enhancing liquid;

dissolving an alkaline auxiliary agent in water to obtain an alkaline solution;

carrying out first mixing treatment on the water repellent agent and the alkaline solution to obtain a first mixed solution;

and (3) sequentially mixing the first mixed solution with a reinforcing agent and a dispersing agent for second mixing treatment, and then standing to obtain the water-repellent reinforcing solution.

In a third aspect, the present application provides a sludge curing agent, which comprises the following components in parts by weight:

wherein the water-repellent enhancing liquid is selected from water-repellent enhancing liquid or prepared by a preparation method of the water-repellent enhancing liquid.

In a fourth aspect, the present application provides a sludge particle comprising the following components in parts by weight:

100-135 parts of sludge;

5-20 parts of a sludge curing agent;

1-15 parts of a curing assistant;

wherein the sludge curing agent is selected from sludge curing agents.

According to the water repellency enhancing liquid provided by the first aspect of the application, a water repellent agent is taken as a main component and is compounded with an alkaline auxiliary agent, an enhancer and a dispersing agent for use, wherein the water repellent agent and the alkaline auxiliary agent have a synergistic effect to activate active ingredients such as iron oxide, aluminum oxide, magnesium oxide and calcium oxide in a sludge raw material to perform a cross-linking reaction so as to improve the strength, and bacterial viruses in a product can be killed; furthermore, the synergistic effect of the reinforcing agent and the dispersing agent can activate effective components in the sludge raw material to generate chemical reaction, so that a compact structure is formed inside the material, and the strength of the material is greatly increased. Meanwhile, the water-repellent enhancement liquid can react and slightly expand on the sludge particles, and the sludge particles can be completely prevented from being permeated by water after being dried, so that the strength of the sludge particles and products can be better ensured, a solid foundation is laid for the complete utilization of the sludge, and the wide application of the water-repellent enhancement liquid is improved.

The preparation method of the water-repellent reinforcing liquid provided by the second aspect of the application only needs to sequentially mix the components, is simple and quick, does not need to provide large-scale instruments and equipment, and can be widely applied.

According to the sludge curing agent provided by the third aspect of the application, the sludge curing agent takes the provided water-repellent enhancing liquid as a main component, and is cooperated with the auxiliary agent and the surfactant to obtain the sludge curing agent, the obtained sludge curing agent has a good curing effect, the sludge material cured by the sludge curing agent has good strength and water repellency, and a finished product can be recycled after being crushed, so that secondary pollution is avoided; in addition, the obtained sludge curing agent has wide application range and is suitable for aspects such as piling sludge, river sludge, sand washing sludge, domestic sewage sludge and the like.

According to the sludge particles provided by the fourth aspect of the application, sludge is taken as a raw material, a sludge curing agent and a curing aid are cooperatively added, the added sludge curing agent enables active ingredients such as iron oxide, aluminum oxide, magnesium oxide and calcium oxide in the sludge particles to be activated and react with cement and lime to generate substances such as calcium salt, the density strength of the particles is greatly improved, the substances such as water repellency and the like in the particles can accelerate the overall curing and strength increase, and the dried sludge particles can be comparable to ceramsite sand and gravel and do not absorb water; the sludge particles obtained by mixing can be prepared by a baking-free granulation process, and the obtained sludge particle finished product is low in cost and suitable for large-scale popularization and application.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application more clearly apparent, the present application is further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In this application, the term "and/or" describes an association relationship of associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a is present alone, A and B are present simultaneously, and B is present alone. Wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

In the present application, "at least one" means one or more, "a plurality" means two or more. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, "at least one (a), b, or c", or "at least one (a), b, and c", may each represent: a, b, c, a-b (i.e., a and b), a-c, b-c, or a-b-c, wherein a, b, and c may be single or plural, respectively.

It should be understood that, in various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, some or all of the steps may be executed in parallel or executed sequentially, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

The weight of the related components mentioned in the description of the embodiments of the present application may not only refer to the specific content of each component, but also represent the proportional relationship of the weight among the components, and therefore, the content of the related components is scaled up or down within the scope disclosed in the description of the embodiments of the present application as long as it is scaled up or down according to the description of the embodiments of the present application. Specifically, the mass in the description of the embodiments of the present application may be in units of mass known in the chemical industry, such as μ g, mg, g, and kg.

The terms "first" and "second" are used for descriptive purposes only and are used for distinguishing purposes such as substances from one another, and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. For example, a first XX may also be referred to as a second XX, and similarly, a second XX may also be referred to as a first XX, without departing from the scope of embodiments of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In a first aspect of embodiments of the present application, there is provided a water-repellent reinforcing liquid, including the following components in parts by weight:

Specifically, the water repellency enhancing liquid comprises 10-35 parts of water repellent agent, and the provided water repellent agent can enable the material to have good water repellency. In some embodiments, the added parts of the water repellent are selected from 10 parts, 12 parts, 15 parts, 17 parts, 20 parts, 22 parts, 25 parts, 27 parts, 30 parts, 32 parts, 35 parts.

In some embodiments, the water repellent is selected from at least one of methylsilicic acid, stearic acid, paraffin, silicone oil. In some embodiments, the water repellent agent is selected from methyl silicic acid, and the methyl silicic acid is prepared by hydrolyzing, washing and centrifugally dewatering monomethyl trichlorosilane, and has good hydrophobic performance.

Specifically, the water repellency enhancing solution comprises 3-20 parts of alkaline auxiliary agent, and the synergistic effect of the water repellency agent and the alkaline auxiliary agent can activate active ingredients such as iron oxide, aluminum oxide, magnesium oxide and calcium oxide in the sludge raw material to perform a crosslinking reaction so as to improve the strength, and is favorable for killing bacterial viruses in the product. In some embodiments, the amount of the basic additive is selected from the group consisting of 3 parts, 5 parts, 7 parts, 10 parts, 13 parts, 15 parts, 17 parts, and 20 parts.

In some embodiments, the basic builder is selected from at least one of sodium hydroxide, potassium hydroxide, and lithium hydroxide. The provided alkaline auxiliary agent can activate active ingredients such as iron oxide, aluminum oxide, magnesium oxide, calcium oxide and the like in the sludge raw material to perform a crosslinking reaction so as to improve the strength.

Specifically, the water-repellent reinforcing liquid comprises 2-20 parts of reinforcing agent; the reinforcing agent can activate the effective components in the sludge raw material to generate chemical reaction, so that a compact structure is formed in the material, and the strength of the material is greatly increased. In some embodiments, the reinforcing agent is selected from 2 parts, 5 parts, 7 parts, 10 parts, 12 parts, 15 parts, 17 parts, 20 parts.

In some embodiments, the enhancer is selected from at least one of sodium sulfate, potassium aluminum sulfate, potassium chloride.

Specifically, the water repellency enhancing liquid comprises 1-10 parts of dispersing agent, and the provided dispersing agent can react and slightly expand sludge particles, can improve the dispersibility of each component, and is beneficial to uniformly mixing the components.

In some embodiments, the dispersant is selected from at least one of sodium lignosulfonate, calcium lignosulfonate.

In some embodiments, the water repellency enhancing liquid can be added with other functional materials to spray or impregnate the sludge particles so as to improve the water repellency of the product, or the spraying and impregnation of the sludge particles can be separately added with proper water for common concrete and various brick and tile building materials so as to provide the water repellency of the product.

A second aspect of the embodiments of the present application provides a method for preparing a water repellency enhancing liquid, including the following steps:

s01, providing components according to the water repellency enhancing liquid;

s02, dissolving an alkaline auxiliary agent in water to obtain an alkaline solution;

s03, carrying out first mixing treatment on the water repellent agent and the alkaline solution to obtain a first mixed solution;

and S04, sequentially mixing the first mixed solution with a reinforcing agent and a dispersing agent for second mixing treatment, and then standing to obtain the water-repellent reinforcing solution.

In step S01, a component is supplied based on the water-repellency enhancing liquid; the selection of the types and the parts of the components are consistent with those discussed above, and the details are not repeated here for the sake of brevity.

In step S02, dissolving an alkaline assistant in water to obtain an alkaline solution; the alkaline solution is obtained by dissolving the provided alkaline auxiliary agent in water according to the parts of the alkaline auxiliary agent, and then the subsequent treatment is carried out, so that the alkaline auxiliary agent can be uniformly dispersed and can be completely mixed with other components.

In step S03, the water repellent and the alkaline solution are subjected to a first mixing treatment to obtain a first mixed solution. In some embodiments, the first mixing process employs a conventional mixing method, and only needs to be performed to mix uniformly.

In step S04, the first mixed solution is subjected to a second mixing treatment with the reinforcing agent and the dispersant in sequence, and then subjected to a standing treatment to obtain a water repellency reinforcing liquid. In some embodiments, the second mixing process is performed using conventional mixing methods, which only need to ensure uniform mixing.

The third aspect of the embodiments of the present application provides a sludge curing agent, which comprises the following components in parts by weight:

Specifically, the sludge curing agent comprises 2-12 parts of water-repellent enhancement liquid, wherein the water-repellent enhancement liquid is selected from the water-repellent enhancement liquid or is prepared by a preparation method of the water-repellent enhancement liquid. For economy of disclosure, further description is not provided herein.

Specifically, the sludge curing agent comprises 5-60 parts of an auxiliary agent. In some embodiments, the auxiliary agent is at least one selected from water glass, fly ash, lime and stone powder, and the auxiliary agent is a lightweight aggregate which can cooperate with the sludge to ensure that the formed sludge ceramsite is easy to form and has high strength. If the addition amount of the auxiliary agent is too much, the addition amount of the sludge is reduced, the sludge is not beneficial to better recycling, and the properties of the sludge ceramsite are affected by too much aggregate; if no adjuvant is added, the obtained sludge aggregate has low strength and is not easy to form.

In some embodiments, the portion of the adjuvant is selected from 5 parts, 10 parts, 15 parts, 20 parts, 25 parts, 30 parts, 35 parts, 40 parts, 45 parts, 50 parts, 55 parts, 60 parts.

Specifically, the sludge curing agent comprises 0.1-6 parts of surfactant. In some embodiments, the surfactant is selected from at least one of sodium dodecyl sulfate, sodium linear alkylbenzene sulfonate, sodium fatty alcohol-polyoxyethylene ether sulfate, ammonium fatty alcohol-polyoxyethylene ether sulfate, lauroyl glutamic acid, nonylphenol polyoxyethylene ether, stearic acid monoglyceride, lignosulfonate, heavy alkylbenzene sulfonate, alkylsulfonate, fatty alcohol-polyoxyethylene ether.

In some embodiments, the added part of the surfactant is selected from 0.1 parts, 0.5 parts, 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts.

In a fourth aspect of the embodiments of the present application, there is provided a sludge particle, including the following components in parts by weight:

100-135 parts of sludge;

5-20 parts of a sludge curing agent;

1-15 parts of a curing assistant;

wherein the sludge curing agent is selected from sludge curing agents.

Specifically, the sludge particles comprise 100-135 parts of sludge. In some embodiments, the moisture content of the sludge is between 15% and 25%. The water content of the sludge is controlled to be moderate, so that the sludge is ensured to be moderate in the preparation process of the sludge ceramsite by taking the sludge as the main material, and granulation molding is facilitated. If the water content is too high, the water content in the mixture is excessive, the ceramsite is not easy to form, the strength is low, and the ceramsite which is not easy to form and has high hardness is not formed; if the water content is too low, the components in the mixture are too dry, the viscosity of the mixture is poor before the material, the particles are easy to loosen after being formed, the sizing is not good, and the subsequent use is not facilitated. In some embodiments, the moisture content of the sludge may be selected from 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%.

In some embodiments, the added parts of the sludge are selected from 100 parts, 105 parts, 110 parts, 115 parts, 120 parts, 125 parts, 130 parts, 135 parts.

Specifically, the sludge particles comprise 5-20 parts of sludge curing agent; the sludge curing agent is added, so that the curing efficiency is improved. Wherein the sludge curing agent is selected from the sludge curing agents provided above, and will not be described herein again for economy.

In some embodiments, the added parts of the sludge particles are selected from 5 parts, 10 parts, 15 parts, 20 parts.

Specifically, the sludge particles comprise 1-15 parts of curing auxiliary agent. The curing aid is provided to assist in the formation of cross-links between the sludge materials. In some embodiments, the curing aid is selected from at least one of cement, lime.

In some embodiments, the method of preparing sludge particles comprises: crushing the water-containing sludge; granulating by a granulator according to the required particle size of the product, and then standing for several days; spraying or soaking the curing agent on the particles, and spraying and rolling the particles by using the fly ash or the talcum powder to prevent the particles from being adhered.

The following description will be given with reference to specific examples.

Example (I) Water repellency enhancing liquid and method for producing the same

Example A1

Water-repellent reinforcing liquid and its preparing process

10 parts of methyl silicic acid, namely 10 parts of methyl silicic acid,

3 parts of sodium hydroxide, namely sodium hydroxide,

2 parts of sodium sulfate, namely sodium sulfate,

1 part of sodium lignosulphonate, namely sodium lignosulphonate,

and 84 parts of water.

Preparation method of water repellency enhancing liquid

Heating water to 60-100 ℃ according to the proportion in sequence, adding sodium hydroxide to dissolve the water, adding methyl silicic acid, stirring for 2-4 hours, cooling to 60 ℃, adding sodium lignosulphonate, stirring for half an hour, adding sodium sulfate, stirring for half an hour, and standing at normal temperature for 48 hours to obtain the water repellency enhancing liquid.

Example A2

Water-repellent reinforcing liquid and its preparing process

20 parts of methyl silicic acid, namely methyl silicic acid,

5 parts of potassium hydroxide, namely potassium hydroxide,

10 parts of sodium sulfate, namely 10 parts of sodium sulfate,

5 parts of sodium lignin sulfonate, namely sodium lignin sulfonate,

60 parts of water.

Heating water to 60-100 ℃ according to the proportion in sequence, adding potassium hydroxide to dissolve, adding methyl silicic acid, stirring for 2-4 hours, cooling to 60 ℃, adding sodium lignosulphonate, stirring for half an hour, adding sodium sulfate, stirring for half an hour, and standing at normal temperature for 48 hours to obtain the water repellency enhancing liquid.

Example A3

Water-repellent reinforcing liquid and its preparing process

25 parts of methyl silicic acid, namely methyl silicic acid,

5 parts of potassium hydroxide, namely potassium hydroxide,

3 parts of sodium sulfate, namely sodium sulfate,

2 parts of calcium lignosulphonate, namely calcium lignosulphonate,

and 65 parts of water.

Heating water to 60-100 ℃ according to the proportion in sequence, adding potassium hydroxide to dissolve the water, adding methyl silicic acid, stirring for 2-4 hours, cooling to 60 ℃, adding calcium lignosulphonate, stirring for half an hour, adding sodium sulfate, stirring for half an hour, and standing at normal temperature for 48 hours to obtain the water repellency enhancing liquid.

Example A4

Water repellency reinforcing liquid and its preparing method

28 parts of methyl silicic acid, namely 28 parts of,

12 parts of sodium hydroxide, namely 12 parts of sodium hydroxide,

15 parts of sodium sulfate, namely sodium sulfate, wherein,

5 parts of potassium chloride, namely adding 5 parts of potassium chloride,

6 parts of sodium lignin sulfonate, namely 6 parts of sodium lignin sulfonate,

and 34 parts of water.

Heating water to 60-100 ℃ according to the proportion in sequence, adding sodium hydroxide to dissolve the water, adding methyl silicic acid, stirring for 2-4 hours, cooling to 60 ℃, adding sodium lignosulphonate, stirring for half an hour, adding sodium sulfate and potassium chloride, stirring for half an hour, and standing at normal temperature for 48 hours to obtain the water repellency enhancing liquid.

Example A5

Water-repellent reinforcing liquid and its preparing process

32 parts of methyl silicic acid, namely, 32 parts of,

20 parts of potassium hydroxide, namely 20 parts of potassium hydroxide,

18 parts of sodium sulfate, namely 18 parts of sodium sulfate,

10 parts of potassium chloride, namely 10 parts of potassium chloride,

5 parts of sodium lignin sulfonate, namely sodium lignin sulfonate,

and 15 parts of water.

Heating water to 60-100 ℃ according to the proportion in sequence, adding potassium hydroxide to dissolve the water, adding methyl silicic acid, stirring for 2-4 hours, cooling to 60 ℃, adding sodium lignosulphonate, stirring for half an hour, adding sodium sulfate and potassium chloride, stirring for half an hour, and standing at normal temperature for 48 hours to obtain the water repellency enhancing liquid.

Example A6

Water-repellent reinforcing liquid and its preparing process

35 parts of methyl silicic acid, namely methyl silicic acid,

5 parts of sodium hydroxide, namely sodium hydroxide,

13 parts of sodium sulfate, namely 13 parts of sodium sulfate,

7 parts of aluminum potassium sulfate, namely potassium aluminum sulfate,

10 parts of sodium lignin sulfonate, namely 10 parts of sodium lignin sulfonate,

and 30 parts of water.

Heating water to 60-100 ℃ according to the proportion in sequence, adding potassium hydroxide to dissolve the water, adding methyl silicic acid, stirring for 2-4 hours, cooling to 60 ℃, adding sodium lignosulphonate, stirring for half an hour, adding sodium sulfate and alum, stirring for half an hour, and standing at normal temperature for 48 hours to obtain the water repellency enhancing liquid.

EXAMPLE (II) sludge curing agent and method for preparing the same

Example B1

Sludge curing agent and preparation method thereof

15 parts of water glass, namely 15 parts of water glass,

2 parts of sodium dodecyl sulfate, namely 2 parts of sodium dodecyl sulfate,

3 parts of water-repellent reinforcing liquid,

80 parts of water; wherein the water-repellency enhancing liquid was prepared from the water-repellency enhancing liquid obtained in example A1.

The preparation method comprises the following steps:

ordinary water, sodium dodecyl sulfate, water-repellent reinforcing liquid and water glass are stirred for half an hour according to the proportion to prepare the sludge curing agent.

The sludge curing agents obtained in examples B2 to B6 were obtained by selecting and preparing the respective components in the same manner as in example B1, but the water-repellency enhancing liquids were added in the same order as in examples A2 to A6, and the water-repellency enhancing liquids were added in the same order as in examples B2 to B6 in the same order as "4 parts, 6 parts, 8 parts, 10 parts, and 12 parts", and the amounts of water added were adjusted in the same order as in examples B2 to B6.

Example (III) sludge granules and method for producing the same

Example C1

Sludge granules and preparation method thereof

100 parts of sludge;

5 parts of a sludge curing agent;

2 parts of a curing assistant;

wherein the sludge curing agent is prepared from the sludge curing agent provided in example B1.

The preparation method comprises the following steps:

crushing the water-containing sludge; granulating by a granulator according to the required particle size of the product, and then standing for several days; spraying or soaking the curing agent on the particles, and spraying and rolling the particles by using the fly ash or the talcum powder to prevent the particles from being adhered.

The sludge particles obtained in examples C2 to C6 were prepared in the same manner as in example C1, but the water-repellency enhancing liquid was added in the same order as the sludge curing agents obtained in examples B2 to B6, and the sludge curing agents were added in the same order as "7 parts, 9 parts, 11 parts, 13 parts, and 15 parts" in examples C2 to C6.

Property testing and results analysis

The property tests of the sludge particles obtained in the embodiments C1 and C6 are shown in Table 1, and it can be known from Table 1 that the obtained sludge particles have high strength which reaches 10.5-14.8 MPa, the strength is high, a solid foundation is laid for the complete utilization of the sludge, and the wide application of the water-repellent reinforcing liquid is improved.

TABLE 1

	Strength of
		Example C1	10.5 MPa
Example C2	11 MPa (MPa)
		Example C3	11.6 MPa
Example C4	12 MPa (MPa)
		Example C5	12.3 MPa
Example C6	14.8 MPa

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The water-repellent enhancement liquid is characterized by comprising the following components in parts by weight:

2. the water repellency enhancing liquid according to claim 1, wherein the water repellent agent is at least one selected from the group consisting of methylsilicic acid, stearic acid, paraffin, and silicone oil.

3. The water-repellency enhancing liquid according to claim 1, wherein said alkali aid is at least one selected from the group consisting of sodium hydroxide, potassium hydroxide and lithium hydroxide.

4. The water repellency enhancing liquid according to any one of claims 1 to 3, wherein the reinforcing agent is at least one selected from the group consisting of sodium sulfate, potassium aluminum sulfate, and potassium chloride.

5. The water-repellency enhancing liquid according to any one of claims 1 to 3, wherein the dispersant is at least one selected from sodium lignosulfonate and calcium lignosulfonate.

6. A method for preparing water repellency enhancing liquid is characterized by comprising the following steps:

the water-repellency enhancing liquid providing component according to any one of claims 1 to 5;

dissolving an alkaline auxiliary agent in water to obtain an alkaline solution;

performing first mixing treatment on the water repellent and the alkaline solution to obtain a first mixed solution;

and sequentially mixing the first mixed solution with a reinforcing agent and a dispersing agent for second mixing treatment, and then standing to obtain the water-repellent reinforcing solution.

7. The sludge curing agent is characterized by comprising the following components in parts by weight:

wherein the water-repellent reinforcing liquid is selected from the water-repellent reinforcing liquid as defined in any one of claims 1 to 5 or prepared by the method for preparing the water-repellent reinforcing liquid as defined in claim 6.

8. The sludge curing agent according to claim 7, wherein the adjuvant is selected from at least one of water glass, fly ash, lime, stone powder; and/or the presence of a gas in the gas,

the surfactant is at least one selected from sodium dodecyl sulfate, linear alkyl benzene sulfonate, fatty alcohol-polyoxyethylene ether sodium sulfate, fatty alcohol-polyoxyethylene ether ammonium sulfate, lauroyl glutamic acid, nonylphenol polyoxyethylene ether, stearic acid monoglyceride, lignosulfonate, heavy alkylbenzene sulfonate, alkyl sulfonate and fatty alcohol-polyoxyethylene ether.

9. The sludge particles are characterized by comprising the following components in parts by weight:

100-135 parts of sludge;

5-20 parts of a sludge curing agent;

1-15 parts of a curing assistant;

wherein the sludge curing agent is selected from the sludge curing agent of claim 7 or 8.

10. Sludge granules according to claim 9, wherein the water content of the sludge is between 15% and 25%; and/or the presence of a gas in the gas,

the curing assistant is at least one of cement and lime.