CN115215600A

CN115215600A - Preparation method of soil stabilizer

Info

Publication number: CN115215600A
Application number: CN202210755479.4A
Authority: CN
Inventors: 周文君
Original assignee: Hunan Azerun New Material Co ltd
Current assignee: Hunan Azerun New Material Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-21
Anticipated expiration: 2042-06-29
Also published as: CN115215600B

Abstract

The invention discloses a preparation method of a soil stabilizer, which comprises the following steps: s1, taking 30-34 parts by weight of calcium hydroxide, 55-60 parts by weight of cement and 8-12 parts by weight of a solidification concentrate; s2, putting calcium hydroxide and cement into a stirrer, and stirring for 10-20 minutes to obtain a primary mixture; s3, putting the solidified concentrate into soap water to obtain a solution to be applied; s4, preparing the solution to be applied into bubbles, applying the bubbles to the primary mixture, and uniformly stirring to obtain the soil curing agent. Compared with the prior art, the preparation method can effectively improve the preparation efficiency.

Description

Preparation method of soil stabilizer

Technical Field

The invention relates to the technical field of curing agent preparation, in particular to a preparation method of a soil curing agent.

Background

The soft soil in China is widely distributed, and with the acceleration of the urbanization process, industrial and civil building construction, road construction, foundation pit excavation and the like are frequently required to be carried out on a soft soil foundation, the soft soil mostly has the characteristics of loose soil texture, high natural water content, poor water permeability, high compressibility and the like, the natural adverse characteristics can cause insufficient bearing capacity of the foundation, so that the foundation is settled or deformed, the settlement or deformation of the foundation can cause cracks, inclination, collapse and the like of a structure, so that the use effect of an engineering structure is reduced or even loses efficacy, the soft soil foundation needs to be pre-reinforced for ensuring the engineering quality, a series of physical and chemical reactions can be carried out on a soil curing agent and the soft soil, and broken soil particles can be consolidated into an integral substance with certain strength, so that the strength of the soft soil is improved. The existing preparation process of the soil stabilizer has low efficiency, and needs to be improved urgently. In view of the above, the inventors of the present application have made intensive studies to obtain a method for preparing a soil stabilizer.

Disclosure of Invention

The invention aims to provide a preparation method of a soil stabilizer, which can effectively improve the preparation efficiency.

The technical purpose of the invention is realized by the following technical scheme:

a preparation method of a soil stabilizer comprises the following steps: s1, taking 30-34 parts by weight of calcium hydroxide, 55-60 parts by weight of cement and 8-12 parts by weight of a solidification concentrate; s2, putting the calcium hydroxide and the cement into a stirrer, and stirring for 10-20 minutes to obtain a primary mixture; s3, putting the solidified concentrate into soap water to obtain a solution to be applied; s4, preparing the solution to be applied into bubbles, applying the bubbles to the primary mixture, and uniformly stirring to obtain the soil curing agent.

In a preferred embodiment, the coagulation concentrate includes a strengthening agent, a surfactant, and a crosslinking agent.

In a preferred embodiment, the reinforcing agent comprises one of pulp, cellulose nanocrystals, and rice hulls, the surfactant comprises one of sodium alkyl sulfonate and sodium dodecyl benzene sulfonate, and the cross-linking agent comprises one of borax, boric acid, and aluminum hydroxide.

In a preferred embodiment, the mixer includes agitator motor, air-blast device, stirring main shaft, stirring storehouse, link and a plurality of stirring unit, agitator motor install in the bottom in stirring storehouse, the lower extreme of stirring main shaft is connected agitator motor, and the upper end is inserted in the stirring storehouse, the link connect in the top of stirring main shaft, be equipped with inlet channel and inlet air channel on the link, inlet air channel connects the air-blast device, the stirring unit includes the body of rod and stirring shovel, the body of rod includes body and papaw generate the pipe, this body coupling the link, be equipped with the inlet on the body and cross the wind passageway, the body is inside to be provided with annular stock solution chamber, the stock solution chamber encircles cross the wind passageway, the lateral part in stock solution chamber is provided with the air outlet, the lower extreme in stock solution chamber is equipped with the inserted hole, the papaw generates the pipe upper end is open, and the lower extreme is sealed, and its lower extreme is provided with the impeller, its upper end border via the inserted in the inlet hole insert in the stock solution chamber, and the laminating the inside wall that leans on the stock solution chamber, be provided with a plurality of papaw generation pipe and generate the pore-forming, cross wind passageway intercommunication the inlet air channel and add the liquid solution, the bubbly is added the bubbly 4 the feed liquor channel.

In a preferred embodiment, the impeller includes a connecting shaft vertically connected to a lower end of the bubble generating tube and at least 2 blades provided on the connecting shaft.

In a preferred embodiment, the bubble generating holes are arranged in vertical columns, and the air outlet is arranged in a vertical strip shape.

In a preferred embodiment, the air outlet is provided with a first guide plate and a second guide plate, and the first guide plate and the second guide plate are respectively arranged on two sides of the air outlet and jointly form an outward-expanding V-shaped structure.

In a preferred embodiment, the air outlet device comprises an air blower and a blast pipe, wherein one end of the blast pipe is connected with the air blower, and the other end of the blast pipe is connected with the blast channel.

In a preferred embodiment, a limit groove is formed on the side wall of the insertion opening, and a limit ring is arranged on the side wall of the bubble generating tube and is matched with the limit groove.

Compared with the prior art, the invention provides a preparation method of a soil stabilizer, which comprises the following steps of firstly preliminarily mixing calcium hydroxide and cement to obtain a primary mixture, then adding a solidification concentrate into the primary mixture, and uniformly stirring to obtain the soil stabilizer. The soil stabilizer is uniformly combined with soil when in use, thereby realizing good soil curing effect.

During the preparation process of the soil solidifying agent, the solidified concentrate is made into bubble shape and applied in the primary mixture, so that the mixing speed of the solidified tannin locked fog and the primary mixture can be effectively improved. Specifically, the method comprises the following steps: because the structure surface area in the bubbles is larger, when the bubbles contact the primary mixture, the contact surface is larger, so that the solidified concentrate can be diffused to a larger range in a short time, and the solidified concentrate is prevented from being gathered in a certain area of the primary mixture; on the other hand, compared with the addition by atomization, the bubbles are kept for a longer time after contacting the materials, so that in the stirring process, the bubbles or small bubbles obtained after the bubbles are broken can run in the primary mixture for a period of time, which is equivalent to adding a plurality of movable medicine bags in the primary mixture, and the dispersibility can be effectively ensured; more importantly, the bubbles are thin layer structures, and after the bubbles are broken, the thin layer structures are adhered to the particle surfaces of the primary mixture, so that all materials can be in contact with the solidified concentrate uniformly.

Drawings

FIG. 1 is a schematic flow diagram of a method of preparing a soil stabilizer according to the present invention.

FIG. 2 is a schematic view showing the construction of a stirrer used in a method for preparing a soil solidifying agent according to the present invention.

FIG. 3 is a schematic view of a part of a construction of a stirrer used in a method for preparing a soil stabilizer according to the present invention.

FIG. 4 is a schematic view showing the construction of a stirring unit of a stirrer used in a method for preparing a soil stabilizer according to the present invention.

FIG. 5 is a schematic view showing a disassembled structure of a stirring unit of a stirrer used in a method for preparing a soil solidifying agent according to the present invention.

FIG. 6 is a schematic longitudinal sectional view of a rod body of a stirrer used in a method for preparing a soil solidifying agent according to the present invention.

FIG. 7 is a cross-sectional view schematically illustrating a rod body of a mixer used in a method for preparing a soil stabilizer according to the present invention.

In the drawings

A stirring main shaft 1; a stirring bin 2; a connecting frame 3; a liquid inlet channel 4; an air inlet channel 5; a stirring unit 6; a rod body 7; a body 8; a liquid storage cavity 9; an air outlet 10; a first guide plate 11; a second guide plate 12; an insertion port 13; a limiting groove 14; a liquid inlet 15; an air passage 16; a bubble generating tube 17; a bubble generating hole 18; a retainer ring 19; a stirring shovel 20; a connecting shaft 21; a blade 22; a blower 23; a blower tube 24.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.

Example one

As shown in fig. 1, a method for preparing a soil stabilizer comprises the following steps: s1, taking 30 parts by weight of calcium hydroxide, 55 parts by weight of cement and 8 parts by weight of a solidification concentrate; s2, putting the calcium hydroxide and the cement into a stirrer, and stirring for 10 minutes to obtain a primary mixture; s3, putting the solidified concentrate into soap water to obtain a solution to be applied; s4, preparing the solution to be applied into bubbles, applying the bubbles to the primary mixture, and uniformly stirring to obtain the soil curing agent.

The coagulation concentrate includes a strengthening agent, a surfactant, and a crosslinking agent.

The reinforcing agent comprises one of paper pulp, cellulose nanocrystal and rice hull, the surfactant comprises one of alkyl sodium sulfonate and sodium dodecyl benzene sulfonate, and the cross-linking agent comprises one of borax, boric acid and aluminum hydroxide.

Example two

As shown in fig. 1, a method for preparing a soil stabilizer includes the following steps: s1, taking 34 parts by weight of calcium hydroxide, 60 parts by weight of cement and 12 parts by weight of a solidification concentrate; s2, putting the calcium hydroxide and the cement into a stirrer, and stirring for 20 minutes to obtain a primary mixture; s3, putting the solidified concentrate into soap water to obtain a solution to be applied; s4, preparing the solution to be applied into bubbles, applying the bubbles to the primary mixture, and uniformly stirring to obtain the soil stabilizer.

The reinforcing agent comprises one of paper pulp, cellulose nanocrystals and rice hulls, the surfactant comprises one of sodium alkyl sulfonate and sodium dodecyl benzene sulfonate, and the cross-linking agent comprises one of borax, boric acid and aluminum hydroxide.

EXAMPLE III

As shown in fig. 1, a method for preparing a soil stabilizer includes the following steps: s1, taking 32 parts by weight of calcium hydroxide, 58 parts by weight of cement and 10 parts by weight of a solidification concentrate; s2, putting calcium hydroxide and cement into a stirrer, and stirring for 15 minutes to obtain a primary mixture; s3, putting the solidified concentrate into soap water to obtain a solution to be applied; s4, preparing the solution to be applied into bubbles, applying the bubbles to the primary mixture, and uniformly stirring to obtain the soil curing agent.

In the preparation process, the calcium hydroxide and the cement are firstly primarily mixed to obtain a primary mixture, then the solidification concentrate is added into the primary mixture, and the mixture is uniformly stirred to obtain the soil stabilizer. The soil stabilizer is uniformly combined with soil when in use, thereby realizing good soil curing effect.

During the preparation process of the soil solidifying agent, the solidifying concentrate is made into bubble shape and is applied in the primary mixture, so that the mixing speed of the solidifying fog and the primary mixture can be effectively improved. Specifically, the method comprises the following steps: because of the large surface area of the structure in the bubbles, when the bubbles contact the primary mixture, the contact surface is large, so that the solidified concentrate can be diffused to a large range in a short time, and the solidified concentrate is prevented from being accumulated in a certain area of the primary mixture; on the other hand, compared with the addition by atomization, the bubbles are kept for a longer time after contacting the materials, so that in the stirring process, the bubbles or small bubbles obtained after the bubbles are broken can run in the primary mixture for a period of time, which is equivalent to adding a plurality of movable medicine bags in the primary mixture, and the dispersibility can be effectively ensured; more importantly, the bubbles are thin layer structures, after the bubbles are broken, the thin layer structures are adhered to the particle surfaces of the primary mixture, so that all materials can be in contact with the solidified concentrate uniformly, actually, when the solidified concentrate is applied, the solidified concentrate and the primary mixture are basically stirred, and the soil solidifying agent is obtained, so that the mixing uniformity is effectively ensured on one hand, and the working efficiency is also effectively improved on the other hand.

In order to realize the bubble-shaped solution application step in the above embodiments, a special stirrer needs to be provided, which is specifically as follows:

as shown in fig. 2 to 7, the mixer includes agitator motor, air-blast device, stirring main shaft 1, stirring storehouse 2, link 3 and a plurality of stirring unit 6, agitator motor install in the bottom in stirring storehouse 2, the lower extreme of stirring main shaft 1 is connected agitator motor, the upper end inserts in stirring storehouse 2, link 3 connect in stirring main shaft 1' S top, be equipped with inlet channel 4 and inlet channel 5 on the link 3, inlet channel 5 connects the air-blast device, stirring unit 6 includes the body of rod 7 and stirring shovel 20, the body of rod 7 includes body 8 and papaw formation pipe 17, body 8 connects link 3, be equipped with inlet 15 on the body 8 and cross wind passageway 16, body 8 is inside to be provided with annular stock solution chamber 9, stock solution chamber 9 encircles cross wind passageway 16, the lateral part of stock solution chamber 9 is provided with air outlet 10, the lower extreme of stock solution chamber 9 is equipped with inserted hole 13, papaw formation pipe 17 upper end is open, and the lower extreme is sealed, and its lower extreme is provided with the impeller, and its upper end border via insert in the stock solution chamber 9 just lean on the stock solution chamber 18, add the outer laminating of stock solution of papaw formation pipe 17, the inlet channel 18 add the feed liquor passage 4 and bubble generation pipe 16, the feed liquor inlet channel 16, the bubble generation pipe 16, the feed liquor inlet channel 16 is added.

Under the structural design, the stirring motor drives the stirring main shaft 1 to rotate, the stirring main shaft 1 drives the connecting frame 3 to rotate, the connecting frame 3 drives the plurality of stirring units 6 to move, materials in the stirring bin 2 are stirred, the impeller moves relative to the materials in the stirring process, so that the impeller rotates, the impeller rotates to drive the bubble generating pipe 17 to rotate, and the bubble generating port of the bubble generating pipe 17 continuously passes through the air outlet 10 in the rotating process; at the same time, the air blowing device blows air into the air inlet channel 5, the air blows from the air outlet 10 after passing through the air passage channel 16, and when the air is blown out, the air blows the bubble generating opening at the position of the air outlet 10, the solution to be applied carried by the bubble generating opening forms bubbles after being blown, and the bubbles are ejected from the air outlet 10 to reach the primary mixture to be mixed with the primary mixture.

In the above process, the bubble generating tube 17 dips the solution in the liquid storage chamber 9 by continuous rotation, and the solution adheres to the bubble generating mouth for generating bubbles.

In order to make the solution enter the liquid storage cavity 9 smoothly, the liquid inlet channel 4 or the liquid storage cavity 9 should be provided with an air inlet.

In order to avoid the leakage of the solution in the tank, the portion of the tank that contacts the bubble generating tube 17 should be provided with a sealing structure, such as a rubber gasket.

Further, the impeller comprises a connecting shaft 21 and at least 2 blades 22, the connecting shaft 21 is vertically connected to the lower end of the bubble generating pipe 17, and the blades 22 are arranged on the connecting shaft 21. When the stirring unit 6 moves, in the moving direction, a part of the impeller is shielded by the stirring shovel 20, so that the impeller can continuously rotate in a single direction under the action of the material.

In order to improve the perfect efficiency of agriculture. The bubble generating holes 18 are arranged in vertical rows, and the air outlet 10 is arranged in a vertical strip shape. Under such structural setting, the depth range that the hole 18 was produced to the bubble covered on vertical direction is great to can realize higher efficient solution on vertical direction and apply, effectively promote solution and apply efficiency, practice thrift soil solidifying agent's preparation time.

The air outlet 10 should be arranged on the back of the stirring shovel 20, a first guide plate 11 and a second guide plate 12 are arranged on the air outlet 10, the first guide plate 11 and the second guide plate 12 are respectively arranged on two sides of the air outlet 10, and a V-shaped structure expanding outwards is formed jointly. In operation, the first guide plate 11 and the second guide plate 12 push the material to both sides, so as to form a space in the material, and the space is filled with the bubbles ejected through the air outlet 10 after being formed, thereby increasing the distribution range of the ejected bubbles and improving the mixing efficiency.

Specifically, the air outlet device includes an air blower 23 and a blast pipe 24, one end of the blast pipe 24 is connected to the air blower 23, and the other end is connected to the blast channel, where the blast pipe 24 is only aligned to the blast channel and can rotate relative to the blast channel, thereby avoiding the influence on the rotation of the connecting frame 3.

In order to prevent the bubble generating tube 17 from being separated from the body 8, a limiting groove 14 is formed in the side wall of the insertion opening 13, a limiting ring 19 is formed in the side wall of the bubble generating tube 17, and the limiting ring 19 is matched with the limiting groove 14.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising 8230; \8230;" or "comprising 8230; \8230;" does not exclude additional elements from existing in a process, method, article, or terminal device that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the present number.

The foregoing description of the embodiments is provided to facilitate an understanding and use of the invention and it will be apparent to those skilled in the art that various modifications to the embodiments and the generic principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make modifications and alterations without departing from the scope of the present invention.

Claims

1. The preparation method of the soil stabilizer is characterized by comprising the following steps: s1, taking 30-34 parts by weight of calcium hydroxide, 55-60 parts by weight of cement and 8-12 parts by weight of a solidification concentrate; s2, putting the calcium hydroxide and the cement into a stirrer, and stirring for 10-20 minutes to obtain a primary mixture; s3, putting the solidified concentrate into soap water to obtain a solution to be applied; s4, preparing the solution to be applied into bubbles, applying the bubbles to the primary mixture, and uniformly stirring to obtain the soil curing agent.

2. The method of claim 1, wherein the solidification concentrate includes a reinforcing agent, a surfactant, and a cross-linking agent.

3. The method of claim 2, wherein the reinforcing agent comprises one of paper pulp, cellulose nanocrystals and rice hulls, the surfactant comprises one of sodium alkyl sulfonate and sodium dodecyl benzene sulfonate, and the cross-linking agent comprises one of borax, boric acid and aluminum hydroxide.

4. The method for preparing a soil solidifying agent according to claim 1, wherein the agitator comprises an agitator motor, a blower device, an agitator spindle, an agitator chamber, a connecting frame and a plurality of agitator units, the agitator motor is installed at the bottom of the agitator chamber, the lower end of the agitator spindle is connected with the agitator motor, the upper end of the agitator spindle is inserted into the agitator chamber, the connecting frame is connected with the top of the agitator spindle, the connecting frame is provided with a liquid inlet channel and an air inlet channel, the air inlet channel is connected with the blower device, the agitator unit comprises a rod body and an agitator blade, the rod body comprises a body and a bubble generating tube, the body is connected with the connecting frame, the body is provided with a liquid inlet and an air passing channel, the inside annular stock solution chamber that is provided with of body, the stock solution chamber encircles cross the wind passageway, the lateral part in stock solution chamber is provided with the air outlet, the lower extreme in stock solution chamber is equipped with the inserted hole, the papaw generates the pipe upper end open, and the lower extreme is sealed, and its lower extreme is provided with the impeller, and its upper end border via the inserted hole inserts in the stock solution chamber, and the laminating lean on outer inside wall in stock solution chamber, the papaw generates and is provided with a plurality of papaw and generates the hole on managing, cross wind passageway intercommunication inlet air duct, the inlet intercommunication inlet channel with the stock solution chamber, in S4, will wait to apply solution via inlet air duct adds, quilt the mixer makes the bubble shape.

5. The method for preparing a soil solidifying agent according to claim 4, wherein the impeller comprises a connecting shaft and at least 2 blades, the connecting shaft is vertically connected to the lower end of the bubble generating tube, and the blades are arranged on the connecting shaft.

6. The method for preparing a soil solidifying agent according to claim 4, wherein the bubble generating holes are arranged in vertical rows, and the air outlet is arranged in a vertical strip shape.

7. The method for preparing the soil solidifying agent according to claim 4, wherein the air outlet is provided with a first guide plate and a second guide plate, the first guide plate and the second guide plate are respectively arranged on two sides of the air outlet and jointly form an outwards-expanding V-shaped structure.

8. The method for preparing a soil stabilizer according to claim 4, wherein the air outlet device comprises an air blower and a blast pipe, one end of the blast pipe is connected with the air blower, and the other end of the blast pipe is connected with the blast channel.

9. The method for preparing a soil solidifying agent according to claim 4, wherein a position-limiting groove is provided on the sidewall of the insertion opening, and a position-limiting ring is provided on the sidewall of the bubble generating tube, and the position-limiting ring is engaged with the position-limiting groove.