Powder heating modification device

Abstract

The utility model belongs to the field of powder modification, and discloses a powder heating modification device which comprises a barrel body, a mixing pushing mechanism and a heating mechanism, the barrel body is of a long barrel-shaped structure, the mixing pushing mechanism pushes materials backwards, and the heating mechanism is used for heating the materials. The main shaft is located in the barrel body and is in transmission fit with the power source, the blades are tightly arranged in the axial direction of the main shaft, part or all of the blades are forward blades, the forward blades push materials in the forward direction, and the heating mechanism is arranged on the barrel body and heats the materials in the barrel body. The long cylindrical barrel is used as a material processing container, so that the distance between a central material and a shell of the barrel can be reduced, the heating area of powder is increased, the modification efficiency is further improved, and similarly, the modification efficiency can also be improved by adopting the second barrel and the third barrel.

Description

Technical Field

[0001] The utility model relates to the field of powder modification, in particular to a powder heating modification device. Background Art

[0002] The powder modifier is suitable for modifying most ore fine powders such as light calcium carbonate, heavy calcium carbonate, washed kaolin, coal-based calcined kaolin, talc, quartz powder, mica, aluminum hydroxide, magnesium hydroxide and brucite, ultrafine and precipitated barium sulfate, lithopone, white carbon black, titanium dioxide, fly ash, sericite, zinc oxide and other materials; when in use, the material enters the modifier through the feeding system, and then the modifier is added. The material and the modifier are mixed at high speed several times in the modifier, and the heat generated by the high-speed movement of the equipment and the material is used to complete the surface coating modification of the powder by the modifier.

[0003] In recent years, the applicant has successively applied for patents related to powder modification equipment such as CN104289125B, CN204263310U, CN219964802U, and CN220048107U. However, the powder modification equipment in these patents all put the powder into the machine body for heating, and stir it through a stirring mechanism, and finally discharge the material. The heating mechanism is generally installed in the interlayer of the machine body, and the powder located in the middle of the machine body is difficult to contact the inner wall of the machine body. Therefore, there is a problem of uneven heating, which affects the modification effect. Utility Model Content

[0004] The purpose of the utility model is to provide a powder heating and modification device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A powder heating and modification device comprises a cylinder, a mixing and pushing mechanism and a heating mechanism. The cylinder is a long cylindrical structure. The mixing and pushing mechanism pushes the material backward. The device comprises a power source, a main shaft located inside the cylinder and matched with the power source for transmission, and a plurality of blades closely arranged along the axial direction of the main shaft. Some or all of the blades are forward blades. The forward blades push the material forward. The heating mechanism is arranged on the cylinder to heat the material in the cylinder.

[0007] Furthermore, the forward blade has a forward inclined surface on the side facing the material feed for forward pushing the material.

[0008] Furthermore, the forward blade comprises a first sleeve and at least one first blade body arranged on a side of the first sleeve, and the first blade body has a forward inclined surface for forward pushing the material toward a material feeding side.

[0009] Furthermore, the blades on the main shaft are arranged in a circumferential direction of the main shaft.

[0010] Furthermore, the positive inclined surface is a positive spiral inclined surface.

[0011] Furthermore, the blades are divided into forward blades and reverse blades, the number of the forward blades is greater than that of the reverse blades, and the reverse blades delay the advancement of the material.

[0012] Furthermore, the side of the reverse blade facing away from the material feeding direction has a reverse slope for delaying the advancement of the material.

[0013] Furthermore, the reverse slope is a reverse spiral slope.

[0014] Furthermore, the reverse blade comprises a second sleeve and at least one second blade body arranged on a side of the second sleeve, and the second blade body has a reverse slope for reversely pushing the material on a side facing away from the material feeding.

[0015] Furthermore, the heating coverage of the cylinder by the heating mechanism in the axial direction reaches 80%-100%; a feeder is arranged on the upper side of the front end of the cylinder, and an exhaust module is arranged on the upper side of the rear end; the heating mechanism is arranged in the shell interlayer of the cylinder, and an insulation layer is arranged on the cylinder.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1) The utility model uses a long cylindrical barrel as a material processing container, which can reduce the distance between the central material and the barrel shell, increase the heating area of ​​the powder, and thus improve the modification efficiency;

[0018] 2) The utility model pushes the material through the forward blade to achieve the mixing and advancement of the material;

[0019] 3) The utility model is also provided with a reverse blade, which delays the advancement of the material, thereby increasing the material modification contact time and improving the modification effect and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model.

[0021] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0022] Figure 3 It is a schematic diagram of the connection structure between the main shaft and the blade in the utility model.

[0023] Figure 4 Schematic diagram of the arrangement of each blade on the spindle.

[0024] Figure 5This is a schematic diagram of the front view structure of the forward blade in the utility model.

[0025] Figure 6 It is a schematic diagram of the left view of the forward blade in the utility model.

[0026] Figure 7 It is a schematic diagram of the top view of the forward blade in the utility model.

[0027] Figure 8 This is a schematic diagram of the front view structure of the reverse blade in the utility model.

[0028] Fig. 9 It is a left view structural schematic diagram of the reverse blade in the utility model.

[0029] Fig.10 It is a schematic diagram of the top view structure of the reverse blade in the utility model.

[0030] In the figure: cylinder 100, mixing and pushing mechanism 101, power source 1010, main shaft 1011, heating mechanism 102, insulation layer 103, feeder 104, forward blade 105, forward bevel 1050, first sleeve 1051, first blade body 1052, reverse blade 106, reverse bevel 1060, second sleeve 1061, second blade body 1062, exhaust module 107. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-Figure 10A powder heating and modification device includes a cylinder 100, a mixing and pushing mechanism 101 and a heating mechanism 102. The cylinder 100 is a long cylindrical structure. The mixing and pushing mechanism 101 pushes the material backward. It includes a power source 1010 located outside the cylinder 100, a main shaft 1011 located inside the cylinder 100 and drivingly matched with the power source 1010, and a plurality of blades closely arranged along the axial direction of the main shaft 1011, with gaps between adjacent blades. The blades are divided into forward blades 105 and reverse blades 106, and the number of forward blades 105 is more than that of reverse blades 106. The heating mechanism 102 is arranged in the shell interlayer of the cylinder 100 to heat the material in the cylinder 100. The function of the forward blade 105 is to push the material forward, while the function of the reverse blade 106 is to delay the advancement of the material, thereby increasing the time the material stays in the cylinder 100 and improving the heating modification effect. Since the number of forward blades 105 is greater than that of reverse blades 106, the material will still move forward. The utility model can control the material advancement speed by adjusting the ratio of the forward blade 105 and the reverse blade 106.

[0033] Continue reading Figure 5-Figure 7 In one embodiment of the utility model, the forward blade 105 includes a first sleeve 1051 and two first blade bodies 1052 respectively arranged on both sides of the first sleeve 1051. The number and arrangement of the first blade bodies 1052 on the first sleeve 1051 can be adjusted as needed. The rear side of the first blade body 1052, that is, the side of the first blade body 1052 facing the material feeding has a forward inclined surface 1050 for positively pushing the material. The forward inclined surface 1050 is preferably a 45° forward spiral inclined surface, and the front side of the forward blade 105 is a planar structure. The reverse blade 106 includes a second sleeve 1061 and two second blade bodies 1062 respectively arranged on both sides of the second sleeve 1061. The number and arrangement of the second blade bodies 1062 on the second sleeve 1061 can be adjusted as needed. The front side of the second blade body 1062, that is, the side of the second blade body 1062 facing away from the material feeding, has a reverse bevel 1060 for pushing the material in reverse. The reverse bevel 1060 is preferably a 45° reverse spiral bevel. The rear side of the reverse blade 106 is a planar structure.

[0034] Continue reading Figure 1 and Figure 2In one embodiment of the utility model, the heating coverage of the cylinder 100 by the heating mechanism 102 in the axial direction reaches 80%-100%, that is, the heating mechanism 102 is arranged from the head end of the cylinder 100 to the tail end of the cylinder 100 as much as possible to fully heat the powder. The heating mechanism 102 can use a heat-conducting oil heating pipe, an electric heating pipe, an infrared heater, etc. A heat-insulating layer 103 is also provided in the shell interlayer of the cylinder 100. The heat-insulating layer 103 is arranged corresponding to the heating mechanism 102 and is located on the inner side of the heating mechanism 102. The heat-insulating layer 103 is preferably heat-insulating cotton.

[0035] Continue reading Figure 1 In one embodiment of the utility model, a feed port is provided on the upper side of the front end of the cylinder 100, and a feeder 104 is provided on the upper end of the feed port. The feeder 104 includes a feed barrel and a feed valve provided at the lower end of the feed barrel, and a discharge port is provided on the lower side of the rear end of the cylinder 100. An exhaust module 107 is provided on the upper side of the rear end of the cylinder 100, and the exhaust module 107 adopts the exhaust device, pulse backflush device, and fan disclosed in patent CN209534221U, which is a well-known technology and will not be described in detail.

[0036] It should be noted that the power source 1010 is a motor; the term "forward push" refers to pushing the material from the front end to the rear end of the cylinder 100; the main shaft 1011 is a spline shaft, and the first sleeve 1051 and the second sleeve 1061 are both spline sleeve structures sleeved on the spline shaft to achieve transmission.

[0037] The use process of the utility model is as follows: materials are added into the barrel 100 through the feeder 104, the materials in the barrel 100 are heated and modified through the heating mechanism 102, and the materials are pushed forward through the mixing and pushing mechanism 101. In the barrel 100, the blades play a role in stirring and mixing the materials, the forward blades 105 also play a role in pushing the materials, and the reverse blades 106 also play a role in delaying the advancement of the materials, thereby increasing the contact time of the materials. The heated materials are pushed to the tail end and discharged from the discharge port.

[0038] In the embodiment of the utility model, the total number of blades is 218, including 128 forward blades and 90 reverse blades. The blades are spirally installed at a 45° angle in the reverse direction of the cutting edge. All blades are divided into three sections according to the material feeding direction. The first section is installed with 38 forward blades, the second section is first installed with 10 reverse blades, and then 10 forward blades, and so on. The last 10 blades are reverse blades, and the third section is installed with 12 forward blades. And, as Figure 4 As shown, the blade bodies of the blades on the main shaft 1011 are arranged in a staggered manner. On the main shaft 1011, the blade bodies of the blades are arranged circumferentially along the main shaft 1011, so that the main shaft 1011 has a star-shaped structure when viewed from the end face of the blade, thereby improving the stirring efficiency.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A powder heating and modification device, characterized in that: The invention comprises a cylinder (100), a mixing and pushing mechanism (101) and a heating mechanism (102), wherein the cylinder (100) is a long cylindrical structure, the mixing and pushing mechanism (101) pushes the material backwards, and comprises a power source (1010), a main shaft (1011) located inside the cylinder (100) and drivingly matched with the power source (1010), and a plurality of blades closely arranged along the axial direction of the main shaft (1011), wherein some or all of the blades are forward blades (105), and the forward blades (105) push the material forwardly; and the heating mechanism (102) is arranged on the cylinder (100) and heats the material in the cylinder (100); The heating mechanism (102) has a heating coverage rate of 80%-100% on the cylinder (100) in the axial direction; a feeder (104) is arranged on the upper side of the front end of the cylinder (100), and an exhaust module (107) is arranged on the upper side of the rear end; the heating mechanism (102) is arranged in the shell interlayer of the cylinder (100), and a heat-insulating layer (103) is arranged on the cylinder (100).

2. A powder heating and modification device according to claim 1, characterized in that: The forward blade (105) has a forward inclined surface (1050) on the side facing the material feed for forward pushing the material.

3. A powder heating and modification device according to claim 2, characterized in that: The forward blade (105) comprises a first sleeve (1051) and at least one first blade body (1052) arranged on the side of the first sleeve (1051); the first blade body (1052) has a forward inclined surface (1050) for forward pushing the material towards the material feeding side.

4. A powder heating and modification device according to claim 3, characterized in that: The first blade bodies of the forward blades (105) on the main shaft (1011) are arranged in a circumferential direction of the main shaft (1011).

5. The powder heating and modification device according to claim 2, characterized in that: The positive inclined surface (1050) is a positive spiral inclined surface.

6. The powder heating and modification device according to claim 1, characterized in that: The blades are divided into forward blades (105) and reverse blades (106), the number of the forward blades (105) is greater than the reverse blades (106), and the reverse blades (106) delay the advancement of the material.

7. A powder heating and modification device according to claim 6, characterized in that: The side of the reverse blade (106) facing away from the material feeding direction has a reverse slope (1060) for delaying the advancement of the material.

8. The powder heating and modification device according to claim 7, characterized in that: The reverse bevel (1060) is a reverse spiral bevel.

9. The powder heating and modification device according to claim 7, characterized in that: The reverse blade (106) comprises a second sleeve (1061) and at least one second blade body (1062) arranged on the side of the second sleeve (1061); the second blade body (1062) has a reverse inclined surface (1060) for reversely pushing the material on the side facing away from the material feeding.

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