Stirring pulping device

Abstract

The utility model provides a stirring slurrying device, which relates to the field of construction slurrying and comprises a barrel, a turbine rotating mechanism and a water inlet and outlet circulating mechanism. The cylinder body is of a columnar structure with an opening in the top end and a conical lower part, and the turbine rotating mechanism is arranged in the cylinder body, supports rotation in the cylinder body and is used for stirring slurry in the cylinder body; the water feeding and discharging circulating mechanism is communicated with the interior of the barrel and is used for feeding water into the barrel, discharging slurry from the barrel and enabling the slurry in the barrel to circularly move; the motor and the turbine blade shaft are directly connected and fixed through the flat key, the structure is simple, the cost is low, the pulping efficiency is higher, the shearing force of the turbine blades is large, the fluid dispersion effect is better, and the pulping effect and quality are better due to the arrangement of the pulp circulating mechanism.

Description

Technical Field

[0001] The utility model relates to the field of construction pulping, in particular to a stirring pulping device. Background Art

[0002] At present, the pulping equipment is basically mixing pulping. The pulping speed of the equipment is slow and the mixing efficiency is low. The structure of the mixing pulping machine in the prior art is mostly blade stirring. The blade shaft is rotated by a motor driving a reducer to stir. The stirring speed is limited by the speed ratio of the reducer, and the stirring speed is slow. The pulping efficiency is low and it is not suitable for making high-concentration slurry. During construction, multiple units need to cooperate to meet the construction dosage requirements; in the prior art, the blade is used to stir the slurry, the shear force is small, the effect of dispersing the fluid is poor, and the phenomenon of blocking the device is likely to occur. Content of the Utility Model

[0003] To solve the above problems, the utility model provides a stirring pulping device, which specifically includes:

[0004] A stirring pulping device includes a cylinder body, a turbine rotating mechanism and a water inlet and drainage circulation mechanism;

[0005] The cylinder body is a columnar structure with an open top and a conical bottom. The turbine rotating mechanism is arranged in the cylinder body and supported to rotate in the cylinder body for stirring the slurry in the cylinder body;

[0006] The water inlet and drainage circulation mechanism is communicated with the inside of the cylinder body for injecting water into the cylinder body, discharging slurry from the cylinder body and making the slurry in the cylinder body circulate.

[0007] Optionally, an installation frame is arranged at the open top of the cylinder body, and a fixing seat is arranged on the installation frame for fixing the turbine rotating mechanism.

[0008] Optionally, the turbine rotating mechanism includes a motor and a blade shaft. The motor is installed on the fixing seat. The output end of the motor passes through the fixing seat and is connected with the blade shaft through a connecting flat key.

[0009] Optionally, a protective sleeve is sleeved outside the blade shaft, and the protective sleeve is fixed on the blade shaft through a fixing pin; the protective sleeve includes a first protective part and a second protective part. The bottom surface of the first protective part is connected with the top surface of the second protective part, and the diameter of the first protective part is larger than that of the second protective part.

[0010] Optionally, a bearing and a fixed circlip are arranged inside the first protective part. The bottom surface of the bearing is connected with the inner bottom surface of the first protective part through the fixed circlip, and the bearing and the fixed circlip are sleeved on the blade shaft.

[0011] Optionally, at least one annular groove is provided on the outer circumference of the second protective part around the blade shaft, and an O-ring is arranged in each annular groove. The O-ring is sleeved on the blade shaft, and the O-ring seals the second protective part.

[0012] Optionally, a first through hole is opened in the blade shaft in the diameter direction, a second through hole is opened in the second protective part, the first through hole is communicated with the second through hole, and the fixing pin is installed through the first through hole and the second through hole.

[0013] Optionally, the bottom of the blade shaft passes through the cylinder body, a turbine is arranged at the bottom of the blade shaft, and a turbine housing is sleeved outside the turbine; the turbine housing is arranged at the bottom outside the cylinder body and is communicated with the inside of the cylinder body, and the turbine housing seals the bottom of the cylinder body.

[0014] Optionally, a machine base is arranged at the bottom of the cylinder body, and the machine base supports the cylinder body.

[0015] Optionally, the water inlet and drainage circulation mechanism includes a water inlet pipe and a circulation pipe. The water inlet pipe is communicated with the inside of the cylinder body. The circulation pipe includes a main pipe, a first branch pipe, a second branch pipe and a third branch pipe; the first branch pipe, the second branch pipe and the third branch pipe are respectively communicated with the main pipe. The first branch pipe is communicated with the top end of the main pipe. The first branch pipe is used for discharging slurry, and a first pneumatic butterfly valve is arranged at the connection between the first branch pipe and the main pipe; a second pneumatic butterfly valve is arranged at the connection between the second branch pipe and the main pipe. The second branch pipe extends into the cylinder body from the top opening of the cylinder body; the third branch pipe is arranged at the bottom end of the cylinder body and is communicated with the inside of the turbine housing, and the third branch pipe is communicated with the bottom end of the main pipe.

[0016] The above technical solution has at least the following beneficial effects compared with the prior art:

[0017] In this embodiment, the direct connection mode of the motor and the turbine blade shaft is used to replace the connection of the reducer and the stirring shaft. Most of the existing stirring pulping machines are driven by the connection of the motor and the reducer, with complex structures and slow rotation speeds. The direct connection mode adopted in this embodiment has a high rotation speed, a fast pulping speed and high efficiency, and improves the pulping cycle time. Using turbine blades instead of stirring blades makes the cement powder and water blend more fully and the slurry more uniform. The structure of this device is simple, the sealing effect is strong, it is easy to maintain, and the cost is low. In this embodiment, the turbine blade has a large shearing force and a better effect of dispersing the fluid, and can generate irregular eddies. Under the action of centrifugal force and eddies during high-speed rotation, the material particles collide with each other and rub against the turbine blades. The particles are gradually broken and dispersed, and the blending effect with water is good, and blockage is not easy to occur. This embodiment is provided with a slurry circulation structure, which can make the slurry circulate and be fully stirred, and the mixing effect is better and more uniform, so that the pulping effect and quality are better, and it is more suitable for the preparation of high-concentration slurry. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 The first structural schematic diagram of a stirring pulping device provided by the present utility model;

[0020] Figure 2 The second structural schematic diagram of a stirring pulping device provided by the present utility model;

[0021] Figure 3 The top view of a stirring pulping device provided by the present utility model;

[0022] Figure 4 The sectional view of a stirring pulping device provided by the present utility model;

[0023] Figure 5 is Figure 4 The detailed view of part A of ;

[0024] Figure 6 is Figure 4 The detailed view of part B of ;

[0025] Figure 7 The structural schematic diagram of the second protection part of a stirring pulping device provided by the present utility model.

[0026] Reference Numerals:

[0027] 1, motor; 2, connecting flat key; 3, fixed seat; 31, mounting bracket; 41, first protection part; 42, second protection part; 421, second through hole; 422, first through hole; 423, O-ring; 5, bearing; 6, fixed circlip; 8, blade shaft; 9, cylinder; 10, turbine housing; 11, machine base; 12, turbine; 14, main pipe; 141, first branch pipe; 142, second branch pipe; 143, third branch pipe; 145, second pneumatic butterfly valve; 146, first pneumatic butterfly valve; 15, water inlet pipe. Detailed Embodiments

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions of the embodiments of the present utility model with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] Unless otherwise defined, the technical terms or scientific terms used in the present utility model shall have the ordinary meanings understood by those of ordinary skill in the field to which the present utility model pertains. The "first", "second", and similar terms used in the present utility model do not denote any order, quantity, or importance, but are only used to distinguish different components. Similarly, the terms such as "a", "an", or "the" do not denote a quantity limitation, but mean that there is at least one. The terms such as "comprising" or "including" mean that the elements or items appearing before the term cover the elements or items listed after the term and their equivalents, without excluding other elements or items. The terms such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0030] It should be noted that the "upper", "lower", "left", "right", "front", "rear", etc. used in the present utility model are only used to represent relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0031] As Figures 1-7 shown, this embodiment provides a stirring pulping device, including a cylinder 9, a turbine rotation mechanism, and a water inlet and drainage circulation mechanism; the turbine rotation mechanism is arranged in the cylinder 9 and rotates in the cylinder 9 for stirring the slurry in the cylinder 9; the water inlet and drainage circulation mechanism is communicated with the inside of the cylinder 9 for feeding water into the cylinder 9, discharging slurry from the cylinder 9, and making the slurry in the cylinder 9 circulate.

[0032] The cylinder 9 is a columnar structure with an internal cavity. The top of the cylinder 9 is open, and the bottom of the cylinder 9 is a conical structure with a taper. The opening communicates with the cavity, that is, the structure of the cylinder is: the upper part is a cylindrical cavity cylinder, and the bottom of the cylindrical cavity cylinder communicates with a cone with a cavity. An installation frame 31 is erected at the opening at the top of the cylinder 9. The installation frame 31 is a cross-shaped frame structure, and a fixed seat 3 is installed at the center of the installation frame. The fixed seat 3 is used to fix the turbine rotation mechanism.

[0033] The motor 1 is mounted on the fixing seat 3. The output end of the motor 1 passes through the fixing seat 3 and is connected to the blade shaft 8 through the connecting flat key 2. The connecting flat key 2 is a common connecting flat key on the market. This is the prior art and will not be described here. The blade shaft 8 is arranged in the cylinder 9. The direct connection method has high rotation speed, fast pulping speed, and improved pulping cycle time. The flat key has high concentricity and is easy to install, which reduces the turbine blade jump. Start the motor 1, and the motor 1 drives the blade shaft 8 to rotate. A protective sleeve is provided on the outer wall of the middle and upper part of the blade shaft 8, and the protective sleeve is fixed to the blade shaft 8 by a fixing pin. The protective sleeve includes a first protective part 41 and a second protective part 42. The first protective part 41 and the second protective part 42 are both sleeved on the outer wall of the blade shaft 8, wherein the connection between the blade shaft 8 and the motor 1 is also in the first protective part 41. The first protective part 41 is a hollow cylindrical structure. The first protective part 41 is above the second protective part 42, and the bottom surface of the first protective part 41 is connected to the top surface of the second protective part 42. The first protective part 41 and the second protective part 42 are coaxially arranged, and the diameter of the first protective part 41 is larger than the diameter of the second protective part 42.

[0034] like Figures 4-5 As shown, a bearing 5 and a fixed retaining spring 6 are provided in the first protective part 41. The bearing 5 and the fixed retaining spring 6 are both sleeved on the outer wall of the blade shaft 8. The bearing 5 and the fixed retaining spring 6 are arranged at the bottom of the first protective part 41. The bottom surface of the fixed retaining spring 6 abuts against the inner bottom surface of the first protective part 41, and the top surface of the fixed retaining spring 6 is connected to the bottom surface of the bearing 5. The blade shaft 8 rotates in the bearing 5, and the fixed retaining spring 6 is used to limit the bearing 5 and play a buffering role.

[0035] The second protective part 42 is a mechanism with a through cavity. The blade shaft 8 passes through the through cavity of the second protective part 42. At least one annular groove is arranged on the outer circumference of the blade shaft 8 inside the second protective part 42. In this embodiment, there are two annular grooves. An O-ring 423 is arranged in the annular groove. The O-ring 423 is sleeved on the blade shaft 8. The O-ring 423 seals the annular groove and then seals the entire second protective part 42. Since the second protective part 42 is tightly sleeved on the outer wall of the blade shaft 8, the O-ring seals the annular groove to form a sealing structure for the entire second protective part 42, and the bottom end of the first protective part 42 is tightly sealed to prevent the slurry from entering the protective sleeve. The top of the first protective sleeve 41 passes through the fixed seat 3. The top of the first protective part 41, that is, the connection between the motor 1 and the blade shaft 8, is arranged in the fixed seat 3, so the slurry will not enter from the top of the protective sleeve. The blade shaft 8 in the barrel 9 rotates to stir the slurry in the barrel 9. The O-ring 423 has a good sealing effect and a long service life, and is simple and easy to replace.

[0036] like Figure 7As shown, a first through hole 422 is formed in the blade shaft 8 in the diametrical direction. The first through hole 422 transversely penetrates the blade shaft 8. A second through hole 421 is formed in the second protective part 42 in the diametrical direction of the second protective part 42. The second through hole 421 penetrates the second protective part 42 in the diametrical direction. The first through hole 422 communicates with the second through hole 421 to form a fixing pin through channel. The fixing pin passes through and is installed in the fixing pin through channel to fix the protective sleeve on the blade shaft 8.

[0037] As Figure 6 shown, a channel is formed at the bottom of the cylinder bottom 9, that is, a channel is formed in the conical part of the cylinder body 9. The bottom of the blade shaft 8 passes through the bottom of the cylinder body 9 through the channel. A turbine 12 is provided at the bottom end of the blade shaft 8. Here, the turbine 12 is a common turbine structure in the prior art, which is the prior art and will not be elaborated here. A turbine housing 10 is sleeved outside the turbine 12. The turbine housing 10 is a columnar structure with a cavity. The turbine 12 is located in the cavity of the turbine housing 10. The bottom of the turbine housing 10 is sealed, and the top is communicated with the bottom channel of the cylinder body 9. The turbine housing 10 is arranged at the bottom outside the cylinder body 9. The turbine housing 10 seals the bottom of the cylinder body 9. The turbine housing 10 is used to protect the turbine 12. Using turbine blades to replace the stirring blades in the prior art can make the cement powder and water blend more fully and the slurry more uniform. In this embodiment, the blades of the turbine 12 are vertically installed at the bottom of the cylinder body 9. The blades of the turbine 12 have a large shearing force and can generate irregular eddy currents. During high-speed rotation, the material particles are affected by centrifugal force and eddy currents. The material particles collide with each other and rub against the blades of the turbine 12. The particles are gradually broken and dispersed and blended with water, and the stirring effect is good and it is not easy to occur blockage.

[0038] As Figures 1-3 shown, a machine base 11 is provided at the bottom of the cylinder body 9. The machine base 11 can be a bracket structure and is used to support and fix the cylinder body 9 and the turbine housing 10.

[0039] The water inlet and drainage circulation mechanism includes a water inlet pipe 15 and a circulation pipe. One end of the water inlet pipe 15 is connected to an external water supply device, and the other end is connected to the inside of the cylinder body 9. The water inlet pipe 15 is used to supply water into the cylinder body 9. The circulation pipe includes a main pipe 14, a first branch pipe 141, a second branch pipe 142, and a third branch pipe 143. The first branch pipe 141, the second branch pipe 142, and the third branch pipe 143 are respectively connected to the main pipe 14. One end of the first branch pipe 141 is connected to the outside, and the other end is connected to the top end of the main pipe 14. The first branch pipe 141 is used to discharge the slurry in the cylinder body 9 outside the cylinder. A first pneumatic butterfly valve 146 is provided at the connection between the first branch pipe 141 and the main pipe 14. When the first pneumatic butterfly valve 146 is opened, the slurry flows into the first branch pipe 141. One end of the second branch pipe 142 is connected to the middle of the main pipe 14, and the other end extends into the cylinder body 9 from the top opening of the cylinder body 9 and is connected to the inside of the cylinder body 9. A second pneumatic butterfly valve 145 is provided at the connection between the second branch pipe 142 and the main pipe 14. When the second pneumatic butterfly valve 145 is started, the slurry flows into the second branch pipe 142. The third branch pipe 143 is arranged at the bottom end outside the cylinder body 9. One end of the third branch pipe 143 is connected to the inside of the turbine housing 10, and the other end is connected to the bottom end of the main pipe 14.

[0040] The working process of the present utility model is as follows:

[0041] Solid materials such as cement powder are added to the top opening of the cylinder body 9, and water is supplied into the cylinder body 9 from the water inlet pipe 15, so that the cylinder body 9 is filled with a solid-liquid mixture. The motor 1 is turned on, and the motor 1 drives the blade shaft 8 and the turbine 12 to rotate, which is used to stir the solid-liquid mixture to form a slurry. The second pneumatic butterfly valve 145 is opened. The rotation of the blade shaft 8 and the turbine 12 causes the slurry to form a vortex. The centrifugal force of the vortex causes the slurry to flow from the third branch pipe 143 into the main pipe 14. Since the second pneumatic butterfly valve 145 has been opened, the slurry flows into the second branch pipe 142 and re-enters the cylinder body 9 from the second branch pipe 142 for stirring. When the quality of the slurry is qualified, the second pneumatic butterfly valve 145 is closed, and the first pneumatic butterfly valve 146 is opened. Under the action of the centrifugal force of the slurry vortex, the slurry enters the main pipe 14 from the third branch pipe 143 and is discharged from the first branch pipe 141.

[0042] The vortex inside the cylinder body 9 enables the materials and water to be fully and evenly stirred, with strong continuity and good dispersion and mixing effects, and is more suitable for the preparation of high-concentration slurry.

[0043] This solution uses a direct connection between the motor and the turbine blade shaft to replace the connection between the reducer and the stirring shaft. Most of the existing stirring pulpers connect the motor to the reducer for transmission, with a complex structure and a slow rotational speed. In this embodiment, the direct connection method is adopted, which has a high rotational speed, a fast pulping speed, and high efficiency, and improves the pulping cycle time. Using turbine blades to replace the stirring blades enables the cement powder to be more fully fused with water and the slurry to be more uniform. This device has a simple structure, strong sealing effect, is easy to maintain, and has a low cost. In this embodiment, the turbine blades have a large shear force and a better effect of dispersing the fluid, and can generate irregular eddies. Under the action of centrifugal force and eddies during high-speed rotation, the material particles collide with each other and rub against the turbine blades. The particles are gradually broken and dispersed, and the fusion effect with water is good, and it is not easy to occur blockage. This embodiment is provided with a slurry circulation structure, which can make the slurry circulate and be fully stirred, and the mixing effect is better and more uniform, making the pulping effect and quality better, and it is more suitable for the preparation of high-concentration slurry.

[0044] The following points need to be explained:

[0045] (1) The attached drawings of the embodiments of the present utility model only relate to the structures involved in the embodiments of the present utility model, and other structures can refer to the usual designs.

[0046] (2) For clarity, in the attached drawings used to describe the embodiments of the present utility model, the thickness of the layer or region is enlarged or reduced, that is, these attached drawings are not drawn according to the actual scale. It can be understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, the element can be "directly" on or under the other element or there can be an intermediate element.

[0047] (3) Without conflict, the embodiments of the present utility model and the features in the embodiments can be combined with each other to obtain new embodiments.

[0048] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. The protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A stirring pulping device, characterized in that, It includes a cylinder body, a turbine rotating mechanism, and a water inlet and drainage circulation mechanism; The cylinder body is a columnar structure with an open top and a conical bottom. The turbine rotating mechanism is arranged inside the cylinder body and supported to rotate inside the cylinder body for stirring the slurry inside the cylinder body; The water inlet and drainage circulation mechanism is communicated with the inside of the cylinder body for feeding water into the cylinder body, discharging slurry from the cylinder body, and enabling the slurry inside the cylinder body to circulate.

2. The stirring pulping device according to claim 1, wherein An installation frame is arranged at the open top of the cylinder body, and a fixing seat is arranged on the installation frame. The fixing seat is used for fixing the turbine rotating mechanism.

3. The stirring pulping device according to claim 2, characterized in that, The turbine rotating mechanism includes a motor and a blade shaft. The motor is installed on the fixing seat. The output end of the motor passes through the fixing seat and is connected to the blade shaft through a connecting key.

4. The stirring pulping device according to claim 3, characterized in that, A protective sleeve is sleeved outside the blade shaft. The protective sleeve is fixed on the blade shaft through a fixing pin; the protective sleeve includes a first protective part and a second protective part. The bottom surface of the first protective part is connected to the top surface of the second protective part. The diameter of the first protective part is larger than that of the second protective part.

5. The stirring pulping device according to claim 4, characterized in that, A bearing and a fixing circlip are arranged inside the first protective part. The bottom surface of the bearing is connected to the inner bottom surface of the first protective part through the fixing circlip. The bearing and the fixing circlip are sleeved on the blade shaft.

6. The stirring pulping device according to claim 5, characterized in that, At least one annular groove is arranged on the outer circumference of the blade shaft inside the second protective part. An O-ring is arranged in each annular groove. The O-ring is sleeved on the blade shaft, and the O-ring seals the second protective part.

7. The stirring pulping device according to claim 4, characterized in that, A first through hole is opened in the blade shaft along the diameter direction, and a second through hole is opened in the second protective part. The first through hole is communicated with the second through hole, and the fixing pin is installed through the first through hole and the second through hole.

8. The stirring pulping device according to claim 3, characterized in that, The bottom of the blade shaft passes through the cylinder body, and a turbine is arranged at the bottom of the blade shaft. A turbine housing is sleeved outside the turbine. The turbine housing is arranged at the bottom outside the cylinder body and is communicated with the inside of the cylinder body. The turbine housing seals the bottom of the cylinder body.

9. The stirring pulping device according to claim 1, wherein A machine base is arranged at the bottom of the cylinder body, and the machine base supports the cylinder body.

10. The stirring pulping device according to claim 8, wherein The water inlet and drainage circulation mechanism includes a water inlet pipe and a circulation pipe. The water inlet pipe is communicated with the inside of the cylinder body. The circulation pipe includes a main pipe, a first branch pipe, a second branch pipe, and a third branch pipe; the first branch pipe, the second branch pipe, and the third branch pipe are respectively communicated with the main pipe. The first branch pipe is communicated with the top end of the main pipe. The first branch pipe is used for discharging slurry, and a first pneumatic butterfly valve is arranged at the connection of the first branch pipe and the main pipe; a second pneumatic butterfly valve is arranged at the connection of the second branch pipe and the main pipe. The second branch pipe extends into the cylinder body from the open top of the cylinder body; the third branch pipe is arranged at the bottom end of the cylinder body and is communicated with the inside of the turbine housing. The third branch pipe is communicated with the bottom end of the main pipe.

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