KR100904688B1 - Mixing apparatus in massive silo equipped withhemisphere shaped mixing-shaft - Google Patents

Abstract

A bulk silo mixer having a hemi spherical-shaped mixing shaft is provided to prevent scaling of a screw transfer unit located on an end of a transfer portion. A bulk silo mixer having a hemi spherical-shaped mixing shaft comprises the followings: a silo main body in which a hopper is connected with a material input hole and mortar powder is stored; a rotary valve portion controlling the supply amount of the mortar powder; a transfer unit transferring the mortar powder to a horizontal direction; and a mixing portion discharging the mortar powder with mixed water. The hemi spherical-shaped mixing shaft(42) installed at the mixing portion includes a stirring shaft and a discharge shaft.

Description

Mixing apparatus in massive silo equipped withhemisphere shaped mixing-shaft}

The present invention relates to a large-capacity silo mixer device having a hemispherical mixing shaft, wherein the mixed water is directly introduced into the mixing unit, and the hemispherical mixing shaft optimizes the mixing efficiency of the mortar powder and the mixed water and at the same time generates internal scale. A large capacity silo mixer device having a hemispherical mixing shaft capable of preventing productivity and improving productivity.

Generally, the mortar for supplying mortar powder is temporarily installed at the construction site, and temporarily receives commercially available mortar powder mixed with cement and sand, and supplies it to the mixer side which is coupled to the outlet side of the lower part. It is mixed with water in the mixer and mortarized and then discharged.

That is, in the conventional silo device, the inlet pipe and the outlet for the mortar powder is introduced or discharged into the silo body is formed, the air discharge pipe for discharging the air in the silo body is installed in the silo body, The discharge pipe may be installed downwardly piped, or may be installed on the upper part of the silo body.

In addition, the discharge port of the silo body is installed horizontally directly connected to the discharge unit having a discharge means therein, the mixer is provided in a straight line with the mixing water inlet at the outlet of the discharger. In addition, the discharge means of the discharger is formed in the discharge port side of the screw conveyor and the discharge pipe is formed in the discharge pipe is formed in the feed screw portion of the large diameter followed by the supply screw portion with a small diameter and the same pitch. The supply pipe bodies each having an inner diameter close to the outer edge thereof are coupled to each other over the entire length of the supply screw portion.

In the conventional silo device, the mortar powder introduced into the silo body is transferred to the discharger through the discharge port, fed to the mixer from the discharger by a transfer screw, and then mixed with water in the mixer and mortarized, and then supplied to the supply screw. Will be discharged. The conventional silo device as described above is described in Utility Model Registration No. 0134555.

However, the conventional silo device as described above, the amount of mortar powder discharged through the outlet is changed according to the amount of the mortar powder contained in the silo body, that is, the weight of the mortar powder accumulated in the discharger It is difficult to keep constant, and it is difficult to check the amount of water supplied to the blender, so that the operator has to check the mixed state of the mortar visually every time and manually adjust the amount of water supplied. If the ratio of the mortar powder discharged through the water supplied to the blender is not constant, there was a problem that the quality of the mortar is reduced.

In order to solve the above problems, the patent registration No. 0668066 to adjust the amount of mortar powder and the amount of water supplied into the mixing and conveying unit through the outlet of the silo body to maintain the quality of the mortar However, in the conventional silo device, a water inlet is formed in the screw transfer part for transferring the mortar powder in the storage transfer part to the mixing part by the screw, that is, the mixing part, so that water is supplied. Therefore, a scale phenomenon may occur in a screw installed in a narrow diameter, and when such a scale occurs, there is a problem in that the operation of the apparatus is stopped and a separate scale removal operation is to be performed.

In addition, the silo device is such that the mortar powder is to fall from the upper side of the silo body through the inlet pipe to the lower direction, which has a direct influence on the control unit which is the powder transfer means, the mortar powder is located at the bottom by the falling pressure The phenomenon that the powder is agglomerated occurs a problem that makes it difficult to control the mortar powder by the control unit.

The present invention is to solve the above problems, the purpose is to suppress the generation of scale to easily control the supply amount of mortar powder and mixed water, and to achieve good quality mortar through uniform mixing of mortar powder and mixed water It is to provide a large capacity silo mixer device with a hemispherical mixing shaft that can be produced.

Another object of the present invention is to supply the mixed water directly into the mixing unit to remove the blockage on the screw feed portion connected to the mixing unit, through which it is possible to maintain a constant supply amount of mortar powder supplied into the mixing unit To provide a large capacity silo mixer device having a hemispherical mixing shaft.

Another object of the present invention is to remove some of the central axis of the hemispherical mixing shaft installed in the mixing unit to suppress the generation of scale in the mixing unit due to the central axis, it is possible to uniformly mix the mortar powder and mixed water by increasing the stirring space It is to provide a large capacity silo mixer device having a hemispherical mixing shaft.

Another object of the present invention is to supply the mortar powder from the lower side in the silo body to the upper direction, to eliminate the occurrence of load on the control unit installed in the lower silo, to prevent the supply of excess mortar powder into the conveying part and A large capacity silo mixer device having a hemispherical mixing shaft capable of preventing agglomeration is provided.

Still another object of the present invention is to provide a large capacity silo mixer device having a hemispherical mixing shaft capable of quickly mixing mortar powder and mixed water by installing a nozzle such that the mixed water supplied from the mixing unit is sprayed alternately with each other.

It is still another object of the present invention to provide a large capacity silo mixer device having a hemispherical mixing shaft which can be provided with a hemispherical mixing shaft, which can facilitate uniform mixing and discharging of mortar.

The present invention is a mortar powder is stored and the silo body is connected to the material inlet to the hopper, the rotary valve portion is installed connected to the lower end of the working body to adjust the supply amount of the mortar powder, the rotary valve portion is installed and connected to the transfer screw The transfer part for transporting the mortar powder in the horizontal direction by means of, and the hemispherical mixing shaft which is installed to communicate with the conveying part and coupled to the screw shaft of the conveying screw is installed therein and the mixed water supplied by the nozzle installed on one side is mixed with the mortar powder It consists of a mixing unit which is discharged to the outside after mortarization, the hemispherical mixing shaft installed in the mixing unit is a stirring shaft which is installed to be located in the nozzle installation portion and has a centerless shaft, integrally formed with the stirring shaft and the transfer screw It is intended to include a discharge shaft which is operated coaxially with the screw shaft.

As described above, the present invention is to supply the mixed water directly into the mixing part, thereby preventing the formation of scale on the screw feed part located at the end of the conveying part, thereby continuously and stably supplying mortar powder into the conveying part and continuously It is possible to create a mixing mortar.

In addition, in the present invention, the mixing shaft on which the nozzle is installed is positioned so that the stirring shaft without the central axis is located, thereby preventing the scale phenomenon occurring at the central axis and increasing the efficiency of the yield.

In addition, the present invention is the hemispherical mixing shaft installed in the mixing unit is provided coaxially with the feed screw and operated integrally, by installing a stirring shaft having a centerless shaft in the portion where the mixed water is introduced, improving the supply efficiency of the mixed water In order to improve the mixing efficiency of the mortar powder and the mixed water, the mixing mortar is made uniform.

In addition, the present invention is a material inlet is connected to the hopper of the silo body, the mortar powder supplied into the silo body is introduced from the bottom to the upper direction, the mortar powder load to the rotary valve portion and the high pressure air through the main material inlet The pressure is minimized and mortar powder conveyance to the conveying part can be easily controlled.

In addition, the present invention has a nozzle is installed so that the mixed water supplied to the mixing section cross-feed each other in the 'Ｘ' shape, the mixing of the mortar powder and the mixed water proceeds quickly, thereby reducing the progress time of mortar dehydration have.

In addition, the present invention is to prevent the scale phenomenon occurring in the conventional silo device, to remove the inconvenience of the operator due to the cleaning operation, to improve the mixing efficiency, to eliminate the production delay phenomenon to improve the productivity and many effects There is.

1 is an exemplary view showing a configuration according to the invention, Figure 2 is an exemplary view showing a configuration of a hemispherical mixing shaft according to the present invention, Figure 3 is an exemplary view showing a side configuration of a hemispherical mixing shaft according to the present invention. 4 shows an example of showing the overall configuration according to the present invention, the present invention is a water supply directly into the mixing section, the mortar powder and the mixed water conveyed by the conveying section of the hemispherical mixing shaft without the central axis By mixing at one side, it is to suppress the scale reduction and mortar generation phenomenon due to the frosting phenomenon and to maximize the mixing efficiency.

That is, the present invention is a rotary mortar powder is stored and connected to the silo body 10 and the lower end of the silo body 10 is connected to the silo body 10, the material inlet 13 is connected to the hopper 11 to control the supply amount of the mortar powder The valve unit 20 and the transfer unit 30 which is installed and connected to the rotary valve unit 20 and is supplied in a horizontal direction by the transfer screw 31 and communicate with the transfer unit 30. Hemispherical mixing shaft 42 installed and coupled to the screw shaft 32 of the transfer screw 31 is installed therein and discharges the mixing mortar by mixing the mixed water supplied through the nozzle 45 installed on one side with the mortar powder. It is made of a mixing unit 40,

The hemispherical mixing shaft 42 installed in the mixing part 40 is installed to be located at the nozzle installation portion and has a stirring shaft 43 having a centerless axis, and is integrally formed with the stirring shaft 43 and coaxial with a feeding screw. It is to include a discharge shaft 44 having a.

The silo body 10 is to store the mortar powder supplied by the bulk vehicles, the main material inlet 14 is connected to the upper side of the cylindrical upper reservoir 12 is formed in the lower portion of the upper reservoir 12 The vibrator 15 is installed in the hopper 11, and the material inlet 13 is connected to one side of the hopper 11.

The main material inlet 14 is for storing a large amount of mortar powder in the silo body 10, and is used for the first time in the silo body 10 of the mortar powder, or after stopping the silo device to inject the mortar powder. If used.

The material inlet 13 is connected to the bulk vehicle and installed to inject mortar powder even during operation of the silo device. The mortar powder in the silo body is blown by blowing the mortar powder from the lower side to the upper direction by a high pressure air. And to improve the powderiness. In other words, injecting the mortar powder by the bulk vehicle in the field is to blow the high pressure air from the bulk vehicle to inject the mortar powder into the silo body, the present invention uses the high-pressure air in the lower part in the silo body through the material inlet Mortar powder is put in the upper direction.

In addition, a butterfly valve 16 is further installed at the material inlet 13 to prevent the external release of the mortar powder.

In addition, the material inlet 13 is installed to be connected to the hopper 11, it is installed to be located in the middle between the rotary valve portion 20 and the upper reservoir (12). This is because the material is blown upward by the high-pressure air from the bulk vehicle when the mortar powder is put into operation during the operation of the silo device, thereby preventing the separation of the mortar powder (preventing the breakage of the mortar powder to the conveying part through the rotary valve) and excessive mortar powder. The purpose is to minimize the effects of high pressures and loads due to transport.

The rotary valve unit 20 transfers a predetermined amount of mortar powder to the transfer unit, and is driven by a motor and a reducer. Such a rotary valve unit is provided with a known rotary valve which is a known powder transfer means.

The transfer unit 30 transfers the mortar powder transferred downward by the rotary valve unit 20 into the mixing unit 40, and is connected to a storage container 33 installed to be located at the lower end of the rotary valve unit 20. It is installed in the reservoir 33 includes a conveying screw 31 driven by a motor and a reducer 34.

The transfer screw 31 is installed to maintain the horizontal, one end is connected to the motor and the reducer 34 to receive the driving force, and the other end is to be connected to the hemispherical mixing shaft 42 in the mixing section 30. have.

That is, the transfer part 30 is provided with a screw transfer portion 35 on one side, and one end of the transfer screw is inserted into the screw transfer portion 35 to be connected to one end of the hemispherical mixing shaft 42. At this time, the screw transfer portion 35 is to have a narrow diameter close to the outer diameter of the transfer screw in order to transfer the mortar powder by the transfer screw 31. Since the configuration of the screw conveying portion is a technical means used in the known powder conveying means for horizontally conveying the powder by the conveying screw, a detailed description thereof will be omitted.

In addition, the reservoir 33 is further provided with a back filter 36, the back filter 36 is for cleaning and maintenance in the transfer unit 30, the transfer unit 30 and the outside in communication with each other, The cover 37 allows opening and closing.

The mixing unit 40 is a mixing drum 41 having a nozzle 45 is installed, one end is coupled to the screw transfer portion 35 of the transfer unit, and having an external outlet at the other end, and in the mixing drum 41. A mixing drum having a hemispherical mixing shaft 42 installed at one side thereof and inserted into a screw shaft 32 of a transfer screw and bearing the other end of the hemispherical mixing shaft 42 and having an external outlet 47. It includes a sealing cover 46 coupled to the other end.

The mixing drum 41 has one side lower portion hinged to the screw transfer portion 35 of the transfer portion, the upper portion is coupled to the screw transfer portion 35 by a fastening means, and a plurality of nozzles for supplying mixed water to the upper one side ( 45) is installed. That is, the mixing drum 41 has one end connected to the screw transfer part 35 of the transfer part so as to be rotatable downwardly with respect to the hinge coupling part.

The mixing drum 41 as described above is formed of steel or rigid rubber tube, preferably formed of rigid rubber tube. Such a rigid rubber tube is provided with vibrations during the operation of the mixing unit, and has the function of preventing the attachment of the inner surface of the mixing mortar by the generation of such vibrations.

The nozzle 45 is provided at one side of the mixing drum to supply the mixed water into the mixing drum 41 by the mixed water supply unit 50 installed outside, and a plurality of nozzles on the upper side of the mixing drum 41 horizontally installed. 45 is installed, the nozzle 45 is installed so that the mixed water to be supplied is crossed with each other. The nozzle 45 as described above is preferably installed so that the mixed water injected into the mortar powder crosses each other in a 'Ｘ' shape.

The hemispherical mixing shaft 42 has a connecting shaft 48 which is inserted into and coupled to the screw shaft of the transfer screw, a stirring shaft 43 integrally formed on the connecting shaft 48 and having a centerless shaft, and the stirring. And a discharge shaft 44 formed integrally with the shaft 43 and having a rotating shaft 49 in alignment with the screw shaft 32 of the transfer screw.

The stirring shaft 43 is installed so as to be located in the mixing drum 41 in which the nozzle 45 is installed, the inclined semicircular plate 431 integrally formed with the connecting shaft 48, and the connecting shaft 48. A support blade 432 integrally formed with a plurality of support blades 433 provided on the rotation shaft 49 of the discharge shaft, and an outer circumferential surface of the semi-circular plate 431 and an end of the support blade 432. A plurality of horizontal inclined vanes 434 are installed at the ends thereof and connected to the ends of the supporting vanes 433 of the rotary shaft, and a plurality of vertical mixing vanes 435 are installed to protrude inward from the horizontal inclined vanes. It is intended to include.

The semi-circular plate 431 is for mixing the mortar powder and the mixed water supplied from the transfer unit 30 and to prevent the reverse transfer of the mortar powder, the end (end near the inner surface of the mixing drum) is connected to the connecting shaft ( And a tilt angle α of a predetermined angle in the direction of the mixing drum 41 and toward the sealing cover 46 at 48.

That is, the inclined semicircular plate 41 has an inclination angle α of 25 to 45 ° as a forward blade shape, and serves to invert and mix the mortar powder and the mixed water, thereby improving the quality of the mixing mortar. do. In addition, the inclined semi-circular plate 41 has a function to prevent water from flowing into the transfer unit 30 during the cleaning after the operation, to prevent the scale from occurring in the transfer portion, especially screw transfer portion due to the introduced water.

The horizontal inclined blade 434 is installed in close proximity to the mixing drum inner surface 411, the scale due to the mixing phenomenon (mixing mortar hardening in a short time) of the mixing mortar on the mixing drum inner surface 411 In order to prevent the occurrence, it is provided with an inclination of a predetermined angle to facilitate the separation of the mixing mortar attached to the mixing drum inner surface.

The vertical mixing blade 435 is formed to protrude from the horizontal inclined blade 434 toward the mixing drum, and uniformly mixes the mortar powder and the mixed water, and transfers it to the discharge shaft 44.

The discharge shaft 44 is installed to have a coaxial with the connecting shaft 48, one end of the rotating shaft 49 is supported on the bearing cover 46, and a plurality of installed on the outer surface of the rotating shaft 49 The mixing blade 441 is included.

The mixing blade 441 is inclined so as to have an inclination angle β of 25 to 45 ° in the forward direction, that is, the sealing cover 46, and is installed on the rotating shaft 49. In addition, the vertical mixing blade 435 of the stirring shaft, like the mixing blade 441, one side is inclined 25 to 45 degrees in the sealed cover direction is provided on the rotating shaft 49. In addition, the vertical mixing blade 435 may install a horizontal inclined blade 434 using the mixing blade 441.

The angle of the mixing blade and the vertical mixing blade is set in consideration of the discharge of mortar by the hemispherical mixing shaft and uniform mixing of the mortar at the same time.

In addition, the discharge shaft 44 has a discharge rotary plate 442 that is integrally rotated with the rotary shaft at one end connected to the sealing cover 46, and the discharge blade for projecting the discharge rotary plate 442 to discharge the mixing mortar ( 443). That is, the discharge blade 443 is protruded to the discharge rotating plate 442 so as to be parallel to the rotating shaft 49, the outside of the mixing mortar transferred in the direction of the external discharge port 47 during the rotation operation of the discharge shaft (44) Forced transfer to

The hemispherical mixing shaft 42 configured as described above is installed such that the connecting shaft 48 and the rotating shaft 49 are located on the same center line as the screw shaft 32 of the conveying unit, and between the connecting shaft 48 and the rotating shaft 49. In the center, the shaftless stirring shaft 43 is located, and the mixing shaft and the mortar powder are mixed by the shaftless stirring shaft 43, and the mixing mortar, that is, mortar is mixed.

At this time, the stirring shaft 43 is provided with an inclined semi-circular plate 431, while mixing the mortar powder and the mixed water is pushed in the direction of the discharge shaft 44, mixing by mixing the mortar powder and the mixed water The formation of the mortar is concentrated by the inclined semi-circular plate 431 and the vertical mixing blade 435 of the stirring shaft, while being made auxiliary by the mixing blade 441 of the discharge shaft 44, the external outlet 47 Is conveyed in the direction.

In addition, the present invention is to adjust the supply amount of the mortar powder according to the operation of the rotary valve unit, the control of the amount of mixed water supply by the mixed water supply unit and the measurement of the mortar powder storage amount in the silo body to be controlled and confirmed by a separate control box (60) Since the control according to the control box unit 60 is well-known technical means, detailed description thereof will be omitted.

In the present invention configured as described above, the mortar powder is stored in the silo body through the main material inlet, and the stored mortar powder is quantitatively supplied to the transfer unit by a rotary valve unit controlled by a control box unit, and the mortar powder is supplied to the transfer unit. After the powder is transferred to the mixing unit by the transfer screw, the mixing unit is mixed with the mixed water by the stirring shaft of the hemispherical mixing shaft in the mixing unit, and the mixing mortar is desorbed, and discharged to the external outlet by the discharge shaft.

In addition, in the present invention, when the mortar powder is to be supplied into the silo body during operation of the silo device, the bulk vehicle is connected to the material inlet connected to the hopper of the silo body, the butterfly valve is opened, and then the mortar powder is into the silo body. Input At this time, since the supplied mortar powder is supplied by the high-pressure air of the bulk vehicle, the mortar powder introduced into the silo body is dispersed in the silo body by the high-pressure air from the lower side to the upper direction and is stored while maintaining the powder state. In other words, the supplied mortar powder is discharged from the silo body through the material inlet, dispersed, and then accumulated in the silo body.

In addition, the mortar powder stored in this way facilitates the quantitative transfer by the rotary valve unit, and has an effect of reducing the load pressure of the mortar powder on the rotary valve unit.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

1 is an exemplary view showing a configuration according to the present invention

2 is an exemplary view showing the configuration of a hemispherical mixing shaft according to the present invention;

Figure 3 is an exemplary view showing one side configuration of the hemispherical mixing shaft according to the present invention

Figure 4 is an exemplary view showing the overall configuration according to the present invention

* Explanation of symbols for main parts of the drawings

(10): silo body (11): hopper

(12): Upper reservoir (13): Material entrance

(14): Main material entrance (15): Vibrator

(16): butterfly valve (20): rotary valve

21: motor and reducer 30: transfer part

(31): feed screw (32): screw shaft

33: reservoir 34: motor and reducer

(35): Screw feed part (36): Back filter

37: cover 40: mixing part

(41): mixing drum (42): mixing shaft

(43): stirring shaft (44): discharge shaft

(45): nozzle 46: airtight cover

(47): Outlet port (48): Connecting shaft

(49): rotating shaft 50: mixed water supply

60: control box portion 100: silo device

(411): mixing drum inner surface (431): semicircular sphere

(432): Supporting wing (433): Vertical mixing wing

(434): horizontal warp wing (441): mixing wing

(442): discharge rotary plate (443): discharge wing

Claims (12)

A silo body in which mortar powder is stored and a material inlet is connected to the hopper, A rotary valve unit connected to the lower end of the silo body and controlling the supply amount of the mortar powder; A transfer unit connected to the rotary valve unit and configured to transfer the mortar powder in a horizontal direction by a transfer screw; Hemispherical mixing shaft installed in communication with the conveying part and coupled to the screw shaft of the conveying screw is installed inside, and it is composed of the mixing part discharging the mixed water supplied by the nozzle installed on one side with mortar powder and then mortarizing and discharging it to the outside. , The hemispherical mixing shaft installed in the mixing unit includes a stirring shaft installed to be positioned at the nozzle installation portion, and an discharge shaft formed integrally with the stirring shaft and having a screw shaft coaxial with a screw screw of the transfer screw. Large capacity silo mixer unit with hemispherical mixing shaft. delete delete The method according to claim 1; The mixing unit has a nozzle and a mixing drum having one end coupled to the screw transfer portion of the transfer unit and having an external discharge port on the other end; A high-capacity silo blender device having a hemispherical mixing shaft comprising a hermetic cover bearing the other end of the hemispherical mixing shaft and being coupled to the other end of the mixing drum having an external outlet. The method according to claim 4; The mixing drum is a high-capacity silo mixer device having a hemispherical mixing shaft, characterized in that the lower side hinged to the screw transfer portion of the transfer portion and the upper portion is coupled to the screw transfer portion by a fastening means. The method according to claim 1; The nozzle is a high-capacity silo mixer device having a hemispherical mixing shaft, characterized in that the mixed water injected into the mortar powder is installed so as to cross each other in a 'Ｘ' shape. The method according to claim 1; Stirring shaft of the hemispherical mixing shaft is a large capacity silo mixer device having a hemispherical mixing shaft, characterized in that the coupling shaft is inserted into the screw shaft of the transfer screw. The method according to claim 1; The stirring shaft is an inclined semi-circular plate formed integrally with the connecting shaft, A support wing formed integrally with the connecting shaft, A plurality of support wings installed on a rotation shaft of the discharge shaft, A plurality of horizontal inclined wings installed at one end connected to the outer circumferential surface of the semi-circular plate and the end of the support wing, and the other end connected to the support wing end of the rotating shaft; A large capacity silo mixer device having a hemispherical mixing shaft, characterized in that it comprises a plurality of vertical mixing blades protruding inward from the horizontal inclined blades. The method of claim 8; The inclined semi-circular plate is a forward-swing blade-type large capacity silo mixer device having a hemispherical mixing shaft, characterized in that having an angle of 25 to 45 °. The method according to claim 1; The discharge shaft is installed to have a connecting shaft and the coaxial shaft and one end of the rotating shaft bearing support to the cover; A large capacity silo mixer device having a hemispherical mixing shaft, characterized in that it comprises a plurality of mixing wings installed on the outer surface of the rotating shaft. The method of claim 10; The mixing blade is a high-capacity silo mixer device having a hemispherical mixing shaft, characterized in that installed on the mixing shaft is tilted 25 to 45 ° in the forward direction. The method of claim 10; The discharge shaft is a large-capacity silo with a hemispherical mixing shaft, characterized in that it comprises a discharge rotary plate which is integrally rotated with the rotary shaft at one end connected to the sealing cover, and a discharge blade protruding from the discharge rotary plate to discharge the mixing mortar Blender device.

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