CN211566381U - Inorganic mixture high-speed stirring mechanism and stirring equipment with same - Google Patents

Abstract

The utility model protects a high-speed stirring mechanism for inorganic mixed materials and a stirring device having the same, including a high-speed stirring shaft which can be arranged on a material channel between a material conveyor and a stirring cylinder and is used to break the gradation layer of materials , A stirring body is installed on the shaft wall of the high-speed stirring shaft, and the stirring body is in the shape of a rod, a blade and a tooth. The material sent by the material conveyor first falls into the high-speed mixing shaft, is turned over and mixed at a high speed, and then enters the mixing tank. On the one hand, this process quickly breaks the gradation and layering of the material and the agglomeration characteristics of the binding material. On the other hand, the material is forced first. Mixing and then entering the mixing tank reduces the length and mixing time of the low-efficiency area of the agglomeration and mixing of the materials at all levels in the mixing tank, and shortens the mixing of the inorganic binder or powder in the low-efficiency area of the mixing tank. The length proportion and time of the mixing section relatively prolong the length proportion and time of the medium-efficiency area and the high-efficiency area, and improve the mixing effect and quality.

Description

A high-speed stirring mechanism for inorganic mixture and stirring equipment with the same

technical field

The utility model belongs to the field of mixing and stirring equipment, in particular to a high-speed stirring mechanism for inorganic mixed materials and a stirring equipment with the mechanism.

Background technique

Stabilized soil mixing station is a general term for large-scale machinery used for civil mixing construction in industrial construction. It is mainly used for basic stabilized soil and concrete construction of high-grade highways, urban roads, squares, airports and other facilities. The current construction standards require stabilized soil. The mixing equipment should use two mixing production processes, that is, two mixing tanks are used in series, so that the mixing time is not less than 15 seconds. The original intention of this standard is that the length of a single mixing tank is limited, and the mixing time is difficult to ensure mixing. Mixing uniformity of ingredients.

However, the use of two mixing tanks in series will undoubtedly double the power consumption of the mixing tank; at the same time, due to the original equipment configuration and site limitations of some mixing stations, it is not easy to achieve two mixing tanks in series, and thus cannot meet the The current construction standards bring new problems to the mixing of stabilized soil.

Utility model content

The embodiments of the present utility model provide a high-speed stirring mechanism for inorganic mixed materials and a stirring device having the same, so as to overcome the above-mentioned technical defects.

In order to solve the above-mentioned technical problems, the utility model provides a high-speed stirring mechanism for inorganic mixed materials, which includes a material channel that can be arranged on the material channel between the material outlet of the material conveyor and the material inlet of the mixing cylinder for breaking the material level. The high-speed stirring shaft of the configuration layer, the shaft wall of the high-speed stirring shaft is equipped with several stirring bodies for turning and stirring materials, and the stirring bodies are in any of a rod shape, a blade shape, a pick shape, any combination of two or three;

The rotating speed of the high-speed stirring shaft is greater than the free-falling material speed output from the material conveyor; the input end of the high-speed stirring shaft is connected with the driving device.

Further, the stirring body is in the shape of a rod, and the rod-shaped stirring body vertically penetrates the high-speed stirring shaft and is symmetrically distributed on both sides of the high-speed stirring shaft. The adjacent stirring bodies form an angle with each other, and all stirring bodies are evenly spaced. Arrange.

Preferably, the stirring body is in the shape of a blade, and several blade-shaped stirring bodies are evenly spaced on the shaft wall of the high-speed stirring shaft, and an angle is formed between two adjacent blade-shaped stirring bodies. The stirring body includes a support column vertically penetrating the high-speed stirring shaft. The part of the support column extending out of the high-speed stirring shaft has the same length. It has two parallel and opposite planes, one of which is fixed to the column wall of the support column, and the other plane faces away from the column wall of the support column. .

Further, the stirring body is in the shape of picks, and a plurality of stirring bodies in the shape of picks form a group, and the multiple groups of stirring bodies in the shape of picks are regularly distributed on the shaft wall of the high-speed stirring shaft. The body includes a tooth base fixed on the shaft wall of the high-speed stirring shaft, and picks are installed obliquely on the tooth base, and the tooth tips of all the picks in each group face the same direction.

Preferably, each group of pick-shaped stirring bodies is evenly spaced and distributed on the shaft wall of the high-speed stirring shaft in a V-shape, the V-shaped opening has two ends, and the stirring bodies at the two ends are respectively close to the high-speed stirring. both ends of the shaft.

This embodiment also protects a stirring device with a high-speed stirring mechanism for inorganic mixtures, which at least includes a material conveyor, a high-speed stirring shaft and a stirring cylinder arranged in sequence from top to bottom, and the discharge port of the material conveyor faces the high-speed stirring shaft. , the high-speed stirring shaft and the mixing shaft are arranged perpendicular to each other;

The two ends of the high-speed stirring shaft are respectively installed with bearing seats, the bearing seats are fixed on the cylinder edge of the stirring cylinder through the bearing bracket, and the input end of the high-speed stirring shaft is connected with the driving device.

The beneficial effects of the present utility model are as follows:

(1) In the stabilized soil mixing station, the high-speed mixing shaft protected by the utility model is arranged between the discharge port of the material conveyor and the feed port of the mixing cylinder, and the material sent by the material conveyor first falls into the high-speed mixing. The shaft is turned over and mixed before entering the mixing tank. On the one hand, the addition of the high-speed mixing shaft quickly breaks the gradation and layering of the material and the agglomeration characteristics of the binding material. The length of the low-efficiency area and the mixing time of the agglomeration and mixing of the graded materials in the mixing tank prolongs the length and mixing time of the more uniform and uniform high-efficiency area, especially shortens the inorganic binder or powder in the mixing tank. The proportion and time of the mixing section in the low-efficiency area are relatively extended, and the length and time of the more even and uniform high-efficiency area are relatively extended, so that the limited length of the mixing tank can achieve a more efficient and ideal mixing effect, and the increased work It consumes less than 10% of the power consumption of two mixing cylinders in series.

(2) The high-speed mixing mechanism for inorganic mixtures has a simple structure. It is arranged between the discharge port of the material conveyor and the mixing cylinder, which can save the cost of connecting a mixing cylinder in series, so that a single mixing cylinder can also meet the construction standards. The device only changes in the vertical structure and does not change in the horizontal direction, so that the floor area is small, and it is not limited by the site, the investment is low, and it is easy to realize. better economic benefits.

In order to make the above-mentioned content of the present utility model more obvious and easy to understand, preferred embodiments are given below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

Figure 1 is a schematic structural diagram of a high-speed stirring mechanism for inorganic mixtures.

Figure 2 is a schematic structural diagram 1 of a stirring body.

FIG. 3 is a second schematic view of the structure of the stirring body.

FIG. 4 is a schematic diagram of the structure of the stirring body three.

Figure 5 is a schematic diagram of the application of the high-speed stirring mechanism for inorganic mixtures.

FIG. 6 is a left side view of FIG. 5 .

Description of reference numbers:

1. High-speed mixing shaft; 2. Mixing cylinder; 3. Material conveyor;

101. Stirring body; 102. Bearing seat; 103. Bearing bracket; 104. Driving device;

1011. Picking teeth; 1012. Support column; 1013. Guide vane; 1014. Stirring surface; 1015. Tooth seat;

201. Mixing shaft; 202. Cylinder edge;

301. Outlet.

Detailed ways

The embodiments of the present invention are described below by specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

It should be noted that, in the present invention, the upper, lower, left and right in the figure are regarded as the upper, lower, left and right of the inorganic compound high-speed stirring mechanism described in this specification.

Exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for the purpose of being thorough and complete. The present invention is disclosed and the scope of the present invention is fully conveyed to those skilled in the art. The terms used in the exemplary embodiments shown in the accompanying drawings are not intended to limit the invention. In the drawings, the same elements/elements are given the same reference numerals.

Unless otherwise defined, terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it is to be understood that terms defined in commonly used dictionaries should be construed as having meanings consistent with the context in the related art, and should not be construed as idealized or overly formal meanings.

First Embodiment:

Referring to FIG. 1 , the first embodiment of the present invention relates to a high-speed stirring mechanism for inorganic mixed materials, including a material channel that can be arranged on the material channel between the discharge port 301 of the material conveyor 3 and the feed port of the mixing cylinder 2 The high-speed stirring shaft 1 is used to break the gradation layer of the material. Several stirring bodies 101 are installed on the shaft wall of the high-speed stirring shaft 1 for overturning and stirring materials. any one, any two or a combination of three;

The rotational speed of the high-speed stirring shaft 1 is greater than the free-falling material speed output from the material conveyor 3 ; the input end of the high-speed stirring shaft 1 is connected to the driving device 104 .

The working process of the high-speed stirring mechanism for inorganic mixtures is as follows:

As shown in Figures 5 and 6, the stabilized soil mixing station at least includes a material conveyor 3, a high-speed mixing shaft 1 and a mixing cylinder 2, which are arranged in sequence from top to bottom. On the material channel between the material outlet 301 and the material inlet of the mixing cylinder 2, start the material conveyor 3, the driving device 104 and the mixing cylinder 2, the material conveyor 3 conveys the material, the material is output from the material outlet 301, and the output The materials, together with the inorganic binders for metered water distribution and metered configuration, fall into the high-speed mixing mechanism of the inorganic mixture; the materials are first turned over and mixed at a high speed by the high-speed mixing shaft 1, and then fall into the lower mixing tank 2. The combined shaft 201 is stirred and mixed to form an inorganic mixture.

Specifically, the high-speed stirring shaft 1 and the mixing shaft 201 are arranged perpendicular to each other. As shown in FIG. 5 or FIG. 6 , bearing seats 102 are respectively installed on both ends of the high-speed stirring shaft 1 , and the bearing seats 102 are fixed to the stirring shaft through the bearing bracket 103 . The cylinder edge 202 of the cylinder 2 and the input end of the high-speed stirring shaft 1 are connected to the driving device 104 .

The workflow of a conventional stabilized soil mixing plant is:

The material conveyor 3 transports a variety of inorganic materials with gradation properties. These materials are generally metered and distributed by the aggregate system. They have obvious gradation and layering characteristics from top to bottom, and a variety of inorganic materials fall into the bottom. In the mixing tank 2, after several times of stirring and mixing, various inorganic materials are gradually formed into qualified inorganic binder stable materials through agglomeration, mixing, semi-uniform, relatively uniform and uniform mixing process.

However, since the feeding speed of this mixing process is fixed from beginning to end, and it is all carried out in the mixing cylinder 2 with a fixed structure, the structure and rotation speed of the shaft in the mixing cylinder 2 are fixed, so the mixing process is The mixing time and discharge speed are also fixed. If the mixing process does not reach the ideal qualified mixing uniformity at the end of the mixing process, it is necessary to increase the mixing time, that is, increase the length of the mixing tank 2, as recommended by the current standard. In the mixing production process, two mixing tanks are used in series, but the power consumption is greatly increased.

Different from the conventional high-speed stirring device for inorganic mixtures, this embodiment only adds a high-speed stirring shaft 1 to a conventional stirring cylinder 2, and the high-speed stirring shaft 1 operates at a higher speed (for example, the 2 to 3 times the linear speed) to break the gradation and layering of various inorganic materials sent by the material conveyor 3 and the agglomeration characteristics of the binding materials, which greatly reduces the agglomeration of the inorganic materials at all levels entering the mixing tank 2. , the length and mixing time of the low-efficiency area of mixing, prolong the length and mixing time of the more uniform and uniform high-efficiency area, especially shorten the length, proportion and time of the mixing section in the low-efficiency area occupied by the powder in the mixing tank 2 , the proportion and time of the length of the more uniform and uniform high-efficiency area are relatively extended, so that the limited length of the mixing cylinder 2 can achieve a more efficient and ideal mixing effect, and the increased power consumption is less than the power consumption of two mixing cylinders in series. 10%.

The addition of the high-speed stirring shaft 1 has two functions. One is that its rotational speed must be greater than the speed of the free-falling material output from the material conveyor 3. The material is forced to mix, and the second is to extend the length of the high-efficiency mixing zone.

Several stirring bodies 101 are installed on the shaft wall of the high-speed stirring shaft 1. The function of the stirring bodies 101 is to stir the materials, so that all kinds of materials are fully contacted and mixed forcibly. In order to achieve the best effect, the present embodiment is preferably a mace type. 2, 3 and 4, the stirring body 101 is in the shape of any one, any two or three of the shape of a rod, a blade, and a tooth. Specifically, the same high-speed stirring shaft 1 can have a combination of the above three kinds of stirring bodies 101, or a combination of any two, or any one of them. It should be noted that, in order to improve the stirring effect, two The high-speed stirring shaft 1 above the root and the stirring body 101 on the outer wall of the high-speed stirring shaft 1 may be a combination of the above stirring bodies 101 .

On the one hand, the stirring body 101 can increase the contact area of various materials, improve the effect of inversion and mixing, and at the same time, the structure is simple and easy to manufacture, and can be used in small and medium-sized equipment.

The driving device 104 provides power for the high-speed stirring shaft 1. As shown in FIG. 6, various forms such as belt drive, gear drive, chain drive, and hydraulic drive can be selected.

The high-speed stirring shaft 1, the stirring body 101 and the driving device 104 can be combined and installed on the cylinder edge 202 of a separate mixing cylinder 2, which is especially suitable for a stabilized soil mixing plant with limited space and cannot connect two mixing cylinders 2 in series; Installed above the first mixing tank 2 after the series.

Second embodiment:

The difference between this embodiment and the first embodiment is that, referring to FIG. 2 , the stirring body 101 is in the shape of a rod, and the rod-shaped stirring body 101 vertically penetrates the high-speed stirring shaft 1 and is symmetrically distributed on both sides of the high-speed stirring shaft 1 , adjacent to the stirring body 101 An included angle is formed between them, and all the stirring bodies 101 are evenly spaced.

The rod-shaped stirring body 101 is mainly suitable for small and medium-sized equipment and fine materials, such as crushed sand and gravel. The arrangement of the rod-shaped stirring body 101 on the shaft wall of the high-speed stirring shaft 1 is not limited to that shown in FIG. Other forms of arrangement, such as at angles other than right angles to each other.

Third Embodiment:

The difference between this embodiment and the first embodiment is that, referring to FIG. 3 , the stirring body 101 is in the shape of a blade, and several blade-shaped stirring bodies 101 are evenly distributed on the shaft wall of the high-speed stirring shaft 1 , and two adjacent blade-shaped stirring bodies 101 are evenly spaced. The stirring bodies 101 are staggered to form an included angle, and each blade-shaped stirring body 101 includes a support column 1012 vertically extending through the high-speed stirring shaft 1, and the supporting column 1012 has the same length through the part extending out of the high-speed stirring shaft 1, A guide vane 1013 is respectively fixed to the column wall of the protruding part near the end. The guide vane 1013 has two parallel and opposite planes, one plane is fixed to the column wall of the support column 1012, and the other plane faces away from the column of the support column 1012. The plane is the stirring surface 1014, and the stirring surfaces 1014 of the guide vanes 1013 at both ends of the same support column 1012 are away from each other.

When stirring the material, the driving device 104 drives the high-speed stirring shaft 1 to rotate, and the stirring body 101 rotates accordingly. Specifically, the guide blades 1013 rotate around the high-speed stirring shaft 1 in a circular trajectory. The area of the surface 1014 is larger, which makes the contact area with the material larger, which is especially suitable for strengthening the counter-mixing effect or the slurry material. The stirring surfaces 1014 of the guide vanes 1013 face away from each other.

Fourth Embodiment:

The difference between this embodiment and the first embodiment is that, referring to FIG. 4 , the stirring body 101 is in the shape of picks, and a plurality of stirring bodies 101 in the shape of picks form a group, and the groups of stirring bodies 101 in the shape of picks are regularly distributed in the On the shaft wall of the high-speed stirring shaft 1, each pick-shaped stirring body 101 includes a tooth holder 1015 fixed on the shaft wall of the high-speed stirring shaft 1, and the picks 1011 are installed on the tooth holder 1015 obliquely, and all the picks 1011 in each group are The tips of the teeth all point in the same direction.

Specifically, as shown in FIG. 4 , each group of pick-shaped stirring bodies 101 is evenly spaced and distributed on the shaft wall of the high-speed stirring shaft 1 in a V-shape. The V-shaped opening has two ends, and the two ends are The stirring bodies 101 are respectively close to both ends of the high-speed stirring shaft 1 .

High-speed stirring shaft 1 The pick-shaped stirring body is relatively wear-resistant and has a long service life. It is suitable for large-scale equipment and also suitable for materials with high toughness, such as tough soil blocks. The pick-shaped stirring body 101 is preferred. It is composed of picks 1011, and the specific structure is shown in Figure 4. The tips of the picks 1011 face forward (downstream of the material), and the V-shaped arrangement can ensure that all materials are concentrated in the middle.

The arrangement of the pick-shaped stirring bodies 101 is not limited to FIG. 4 , and other regular arrangements are also possible, and this embodiment is only a preferred solution.

Fifth Embodiment:

This embodiment protects a stirring device with a high-speed stirring mechanism for inorganic mixed materials, which at least includes a material conveyor 3 , a high-speed stirring shaft 1 and a stirring cylinder 2 arranged in sequence from top to bottom, and a discharge port 301 of the material conveyor 3 Towards the high-speed agitator shaft 1.

The high-speed mixing mechanism of the inorganic mixture is arranged between the discharge port 301 of the material conveyor 3 and the feed port of the mixing cylinder 2 in the stabilized soil mixing station, specifically including:

The high-speed stirring shaft 1 and the mixing shaft 201 are arranged perpendicular to each other. As shown in Figure 5 or Figure 6, the axial centerline of the high-speed stirring shaft 1 is perpendicular to the axial centerline of the mixing shaft 201 in the mixing cylinder 2. The purpose of the design is to make the materials can accept rotation and stirring in different directions, so that the materials at all levels can be fully layered and mixed evenly;

Bearing seats 102 are respectively installed at both ends of the high-speed stirring shaft 1, and the bearing seats 102 are fixed to the cylinder edge 202 of the mixing cylinder 2 through the bearing bracket 103;

The input end of the high-speed stirring shaft 1 is connected to a driving device 104, and the driving device 104 provides power for the high-speed stirring shaft 1. As shown in FIG. 6, various forms such as belt drive, gear drive, chain drive, and hydraulic drive can be selected.

The application method of the stirring device with the high-speed stirring mechanism of the inorganic mixture comprises the following steps:

S001. Arrange the high-speed mixing shaft 1 between the discharge port 301 of the material conveyor 3 and the feed port of the mixing cylinder 2 in the stabilized soil mixing station;

S002. Start the material conveyor 3, the driving device 104 and the mixing cylinder 2, the material conveyor 3 conveys the material, and the material is output from the discharge port 301, and the output material falls into the high-speed mixing shaft together with the metered water distribution and the metered inorganic binder. 1;

S003. The rotational speed of the high-speed stirring shaft 1 is greater than the free-falling material speed output from the material conveyor 3. The material is first turned over and mixed by the high-speed stirring shaft 1 at a high speed, and then falls into the stirring tank 2 below. The mixing shaft 201 is stirred and mixed to form an inorganic mixture.

The stabilized soil mixing station at least includes a material conveyor 3 , a high-speed mixing shaft 1 and a mixing cylinder 2 arranged in sequence from top to bottom.

The material conveyor 3 transports a variety of grading and layered materials. These materials are generally metered and distributed by the aggregate system. They have obvious grading and layering characteristics from top to bottom. The powder pipe is metered into the inorganic binder, and the material, water and inorganic binder fall into the high-speed stirring shaft 1 together. The shaft 201 stirs the mixture to form an inorganic mixture. After several times of stirring and mixing by the mixing shaft 201, a variety of inorganic materials are gradually formed into qualified inorganic binders through agglomeration, mixing, semi-uniform, relatively uniform and uniform mixing process. Stabilize the material and transport it to the next process.

Those skilled in the art can understand that the above-mentioned embodiments are specific examples for realizing the present invention, and in practical applications, various changes can be made in form and details without departing from the scope of the present invention. spirit and scope.

Claims (6)

1. The utility model provides a high-speed rabbling mechanism of inorganic mixture which characterized in that: the material mixing device comprises a high-speed mixing shaft (1) which can be arranged on a material channel between a discharge port (301) of a material conveyor (3) and a feed port of a mixing cylinder (2) and is used for breaking grading layering of materials, wherein a plurality of mixing bodies (101) used for turning and mixing the materials are arranged on the shaft wall of the high-speed mixing shaft (1), and the mixing bodies (101) are in the combination of any one or any two or three of a rod shape, a blade shape and a truncated tooth shape;

the rotating speed of the high-speed stirring shaft (1) is greater than the speed of the free falling material output from the material conveyor (3); the input end of the high-speed stirring shaft (1) is connected with a driving device (104).

2. The inorganic mixture high-speed stirring mechanism of claim 1, wherein: the stirring bodies (101) are rod-shaped, the rod-shaped stirring bodies (101) vertically penetrate through the high-speed stirring shaft (1) and are symmetrically distributed on two sides of the high-speed stirring shaft (1), included angles are formed between every two adjacent stirring bodies (101), and all the stirring bodies (101) are uniformly distributed at intervals.

3. The inorganic mixture high-speed stirring mechanism of claim 1, wherein: the stirring body (101) is blade-shaped, the stirring bodies (101) with a plurality of blade-shaped are uniformly distributed on the shaft wall of the high-speed stirring shaft (1) at intervals, an included angle is formed between every two adjacent blade-shaped stirring bodies (101) in a staggered manner, each blade-shaped stirring body (101) comprises a supporting column (1012) which vertically penetrates through the high-speed stirring shaft (1), the parts of the supporting columns (1012) which penetrate through and extend out of the high-speed stirring shaft (1) have the same length, the column walls of the extending parts which are close to the ends are fixedly connected with a guide blade (1013) respectively, and the guide blade (1013) is provided with planes which are parallel and opposite to each other, one of the planes is fixedly connected with the column wall of the supporting column (1012), the other plane is deviated from the column wall of the supporting column (1012), the plane is a stirring surface (1014), and the stirring surfaces (1014) of the guide blades (1013) at the two ends of the same support column (1012) are mutually deviated.

4. The inorganic mixture high-speed stirring mechanism of claim 1, wherein: stirring body (101) are the pick form, and a plurality of pick form stirring body (101) are a set of, and multiunit pick form stirring body (101) regularly distributes at the axial wall of high-speed (1) of stirring, and each pick form stirring body (101) is including being fixed in toothholder (1015) on high-speed (1) axial wall, slope installation pick (1011) on toothholder (1015), the prong of all picks (1011) all towards same direction in every a set of.

5. The inorganic mixture high-speed stirring mechanism of claim 4, wherein: each group of truncated-tooth-shaped stirring bodies (101) are uniformly distributed on the shaft wall of the high-speed stirring shaft (1) in a V shape at intervals, each V-shaped opening is provided with two end parts, and the stirring bodies (101) at the two end parts are respectively close to the two ends of the high-speed stirring shaft (1).

6. A stirring device with a high-speed inorganic mixture stirring mechanism as defined in any one of claims 1 to 5, wherein: the material mixing device at least comprises a material conveyor (3), a high-speed stirring shaft (1) and a stirring cylinder (2) which are sequentially arranged from top to bottom, wherein a discharge hole (301) of the material conveyor (3) faces the high-speed stirring shaft (1), and the high-speed stirring shaft (1) and a mixing shaft (201) are vertically arranged;

bearing blocks (102) are respectively installed at two ends of the high-speed stirring shaft (1), the bearing blocks (102) are fixed on a cylinder edge (202) of the stirring cylinder (2) through a bearing support (103), and the input end of the high-speed stirring shaft (1) is connected with a driving device (104).

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