Rotary kiln feeding spiral device

Abstract

The utility model belongs to the technical field of rotary kilns, and particularly relates to a rotary kiln feeding spiral device which comprises a feeding spiral conveyor, the right end of the feeding spiral conveyor is fixedly connected with a disc support, and the right end of the disc support is fixedly connected with a core-penetrating stainless steel core. The outer side of the core-penetrating stainless steel core is fixedly connected with a shaftless spiral blade, the middle of the shaftless spiral blade is fixedly connected with a seamless shaft tube, and the left end of the seamless shaft tube is fixedly connected with the core-penetrating stainless steel core. Compared with existing rotary kiln feeding screw equipment, the rotary kiln feeding screw equipment has the advantages that the through-core stainless steel core, the seamless shaft tube and other components are added, the blade strength of the screw equipment is improved, the transmission torque of the output shaft is increased, the problem that a shaftless screw in a rotary kiln feeding screw conveyor is prone to breakage due to insufficient strength is solved, and the service life of the rotary kiln feeding screw conveyor is prolonged. And the overall efficiency is good, and safety, economy, environmental protection and energy conservation are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rotary kiln technical field, concretely relates to a rotary kiln feeding screw. BACKGROUND

[0002] Electrolytic manganese is an important raw material for industrial production, which is widely used in various fields of modern industry and has a very important strategic position in national economic construction. Electrolytic manganese has high purity, which can improve the strength, toughness and wear resistance of metal, so it is widely used as an alloy additive for the production of manganese copper alloy, manganese aluminum alloy, stainless steel, etc. In the Mn electrolysis process, with the electrodeposition of metal Mn, oxygen evolution occurs in the anode region, and Mn2+ is oxidized to MnO2, which is deposited in harmful electrolytic Mn anode mud (EMAS).

[0003] Electrolytic manganese anode mud contains a large amount of manganese and lead, so the tetravalent manganese in the anode mud is reduced to divalent manganese at high temperature. This high-temperature reduction device is a rotary kiln, and the feeding screw device in the rotary kiln has the functions of stirring materials and making feeding uniform.

[0004] The existing rotary kiln heats the electrolytic manganese anode mud after adding it into the rotary kiln. However, due to the accumulation of anode mud when it is poured, the high humidity and high adhesion of the input material, and other factors, the shaft end and spiral blade are broken multiple times during operation.

[0005] To solve the above problems, the present application provides a rotary kiln feeding screw. SUMMARY

[0006] The utility model discloses a rotary kiln feeding screw, which solves the problem of shaft end and spiral blade breakage multiple times during operation due to the accumulation of anode mud when it is poured, the high humidity and high adhesion of the input material, and other factors.

[0007] To achieve the above purpose, the utility model provides a rotary kiln feeding screw, which comprises a feeding screw conveyor, the right end of the feeding screw conveyor is fixedly connected with a disc support, the right end of the disc support is fixedly connected with a core-penetrating stainless steel core, the outer side of the core-penetrating stainless steel core is fixedly connected with an axleless spiral blade, the middle part of the axleless spiral blade is fixedly connected with a seamless shaft tube, and the left end of the seamless shaft tube is fixedly connected with the core-penetrating stainless steel core.

[0008] The utility model discloses a principle at: through the increase core stainless steel core, seamless axle pipe etc.

[0009] Through the reverse rotation of the pushing end disc, the screw pin is driven to rotate, and under the threaded connection, the screw pin is separated from the jack, the contact rod is pulled to drive the installation cylinder to move along the surface of the fixed rod, the position of the contact rod is adjusted, the pushing end disc is positively rotated to drive the screw pin to rotate, and the screw pin is inserted into the next jack in the same way, the installation cylinder is positioned for use, the installation cylinder drives the contact rod to be stable, the contact rod drives the contact block to contact the inner side wall of the feed pipeline, when the feed screw conveyor drives the shaftless spiral blade, the contact block can slide along the inner side wall of the feed pipeline, the shaftless spiral blade is rotated and guided, the problem that the long shaftless spiral blade shakes due to centrifugal force is avoided, and the vibration and noise of the shaftless spiral blade are reduced.

[0010] The utility model discloses the beneficial effect lies in: compared with the existing rotary kiln feeding spiral equipment, the core stainless steel core shaft, seamless axle pipe etc.

[0011] Further, the left end of the disc support is welded with four triangular ribs arranged in a ring array, and the long straight angle edge of each triangular rib is welded with the feed screw conveyor. The triangular rib ensures the stability of the connection between the disc support and the feed screw conveyor.

[0012] Further, the core stainless steel core is φ20*20mm, and is made of 316L stainless steel. The core stainless steel core plays a good reinforcing and supporting role, improves the rotation torque, and has good lightweight and high-strength characteristics due to the 316L stainless steel material.

[0013] Further, the seamless shaft pipe is φ108*500mm, the seamless shaft pipe is in a solid cylindrical shape, the seamless shaft pipe is made of 316L stainless steel, the seamless shaft pipe can be used for reinforcing the shaftless spiral blade, and the 316L stainless steel has good lightweight and high strength characteristics.

[0014] Further, the anti-shaking and noise reduction mechanism is arranged on the feeding screw conveyor, the anti-shaking and noise reduction mechanism comprises a fixing rod, the fixing rod is fixedly connected to the side of the feeding screw conveyor, a bushing is formed in the side of the fixing rod, a mounting cylinder is slidably connected to the outer side of the fixing rod, a threaded pin is threadedly connected to the inner wall of the mounting cylinder, the threaded pin is movably connected to the bushing, an end disc is fixedly connected to the left end of the threaded pin, the end disc is in contact with the mounting cylinder, a contact rod is fixedly connected to the end face of the mounting cylinder away from the feeding screw conveyor, a contact block is slidably connected to the inner wall of the contact rod, an elastic ball is bonded to the end face of the contact block, the other end of the elastic ball is bonded to the contact rod, the position of the mounting cylinder can be adjusted through the cooperation of the bushing, the threaded pin and the like, the position of the contact rod is adaptively adjusted, and finally the contact block is in contact with the inner wall of the feeding pipe and the like, the shaftless spiral blade is guided to rotate, and the problems of large shaking and loud noise of the shaftless spiral blade are avoided.

[0015] Further, a plurality of bushings are arranged on the fixing rod and are uniformly distributed, and the bushings are used in cooperation with the threaded pins.

[0016] Further, a plurality of contact blocks are arranged on the contact rod and are uniformly distributed, and the contact blocks are used for limiting the shaftless spiral blade. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 FIG. 1 is a schematic view of a rotary kiln feeding screw of an embodiment of the present application;

[0018] Figure 2 FIG. 2 is a schematic view of the rotary kiln feeding screw of the embodiment of the present application; Figure 1 FIG. 3 is a schematic view of an elastic ball of the embodiment of the present application;

[0019] Figure 3 FIG. 4 is a schematic view of the rotary kiln feeding screw of the embodiment of the present application; Figure 1 FIG. 5 is an enlarged view of a mounting cylinder of the embodiment of the present application;

[0020] Figure 4 FIG. 6 is an enlarged view of A of the embodiment of the present application; Figure 1

[0021] The specific embodiments are further described in detail below:

[0022] ​The reference signs in the drawings of the specification include: feed screw conveyor 1, seamless shaft tube 2, shaftless spiral blade 3, core-penetrating stainless steel core 4, disc support 5, anti-shake noise reduction mechanism 6, fixing rod 61, jack 62, mounting cylinder 63, screw pin 64, end disc 65, contact rod 66, contact block 67, elastic ball 68. DETAILED DESCRIPTION

[0023] The embodiment is basically as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The embodiment provides a rotary kiln feeding screw, which comprises a feed screw conveyor 1, the right end of the feed screw conveyor 1 is fixedly connected with a disc support 5, the left end of the disc support 5 is welded with four triangular ribs arranged in a ring array, the long straight angle side of each triangular rib is welded with the feed screw conveyor 1, the triangular rib can ensure the stability of the connection between the disc support 5 and the feed screw conveyor 1, the right end of the disc support 5 is fixedly connected with a core-penetrating stainless steel core 4, the outer side of the core-penetrating stainless steel core 4 is fixedly connected with a shaftless spiral blade 3, the middle part of the shaftless spiral blade 3 is fixedly connected with a seamless shaft tube 2, and the left end of the seamless shaft tube 2 is fixedly connected with the core-penetrating stainless steel core 4.

[0024] As shown in Figure 1 , the model of the core-penetrating stainless steel core 4 is φ20×20 mm, the core-penetrating stainless steel core 4 is made of 316L stainless steel, the core-penetrating stainless steel core 4 can play a good reinforcing and supporting role, thereby improving the rotary torque, and the 316L stainless steel material makes the core-penetrating stainless steel core 4 have good lightweight and high-strength characteristics, the model of the seamless shaft tube 2 is φ108×500 mm, the whole of the seamless shaft tube 2 is in the form of a solid cylinder, the seamless shaft tube 2 is made of 316L stainless steel, the seamless shaft tube 2 can reinforce the shaftless spiral blade 3, and the 316L stainless steel material makes the seamless shaft tube 2 have good lightweight and high-strength characteristics.

[0025] As shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4As shown, the feed screw conveyor 1 is provided with a jitter reduction mechanism 6, the jitter reduction mechanism 6 includes a fixed rod 61, the side of the feed screw conveyor 1 is fixedly connected with the fixed rod 61, the side of the fixed rod 61 is provided with a bushing 62, the outer side of the fixed rod 61 is slidably sleeved with a mounting cylinder 63, the inner wall of the mounting cylinder 63 is threadedly connected with a screw pin 64, the screw pin 64 is movably connected with the bushing 62, the left end of the screw pin 64 is fixedly connected with an end disc 65, the end disc 65 is in contact with the mounting cylinder 63, the end face of the mounting cylinder 63 away from the feed screw conveyor 1 is fixedly connected with a contact rod 66, the inner wall of the contact rod 66 is slidably connected with a contact block 67, the end face of the contact block 67 is bonded with an elastic ball 68, the other end of the elastic ball 68 is bonded with the contact rod 66, through the cooperation of the bushing 62, the screw pin 64 and other structures, the position of the mounting cylinder 63 can be adjusted, and then the position of the contact rod 66 is adaptively adjusted, finally the contact block 67 is in contact with the inner side wall of the feed pipe and the like, the shaftless spiral blade 3 is guided to rotate, and the problems of large jitter and large noise of the shaftless spiral blade 3 are avoided.

[0026] As Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown, the bushing 62 is provided with a plurality of bushings 62, the plurality of bushings 62 are uniformly distributed on the fixed rod 61, through the setting of the bushing 62, the bushing 62 is conveniently used in cooperation with the screw pin 64, the contact block 67 is provided with a plurality of contact blocks 67, the plurality of contact blocks 67 are uniformly distributed on the contact rod 66, through the setting of the contact block 67, the shaftless spiral blade 3 can be used for limiting.

[0027] The specific implementation process of the utility model is as follows: by increasing the core stainless steel core 4, the seamless shaft pipe 2 and other components, the blade strength of the spiral equipment is improved, and the output shaft transmission torque is increased, the problem of easy fracture of the shaftless spiral due to insufficient strength in the rotary kiln feed screw conveyor 1 is solved, under the action of the feed screw conveyor 1, the core stainless steel core 4 drives the shaftless spiral blade 3 to fully and uniformly stir and mix the materials in the anode mud rotary kiln;

[0028] By pushing the end disc 65 to rotate reversely, the threaded pin 64 is driven to rotate, and under the threaded connection, the threaded pin 64 is separated from the insertion hole 62, the contact rod 66 can be pulled to drive the mounting cylinder 63 to move along the surface of the fixed rod 61, the position of the contact rod 66 is adjusted, and the end disc 65 is pushed to rotate forwardly, so that the threaded pin 64 is driven to rotate, and the threaded pin 64 is inserted into the next insertion hole 62, the mounting cylinder 63 is limited to use, the mounting cylinder 63 drives the contact rod 66 to be stable, and the contact rod 66 drives the contact block 67 to contact the inner side wall of the feed pipeline, so that when the feed screw conveyor 1 drives the shaftless spiral blade 3, the contact block 67 can slide along the inner side wall of the feed pipeline, the shaftless spiral blade 3 is rotated and guided, the problem that the long shaftless spiral blade 3 shakes due to centrifugal force is avoided, and the vibration and noise of the shaftless spiral blade 3 are reduced.

[0029] Compared with the existing rotary kiln feeding screw device, the core penetrating stainless steel core 4 and the seamless shaft tube 2 are added, the blade strength of the screw device is improved, the output shaft transmission torque is increased, the problem that the shaftless spiral in the rotary kiln feed screw conveyor 1 is prone to fracture due to insufficient strength is solved, the overall efficiency is good, the safety is economic, the environment is protected, and the energy is saved, the position of the contact rod 66 can be adjusted through the structure of the threaded pin 64 and the insertion hole 62, the contact rod 66 drives the contact block 67 to contact the inner side wall of the feed pipeline, and the shaftless spiral blade 3 is rotated and guided, so that the problem that the long shaftless spiral blade 3 shakes due to centrifugal force is avoided, and the noise and vibration of the shaftless spiral blade 3 are reduced.

[0030] It should be pointed out that in the present application, unless otherwise specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] The above is only an embodiment of the present application, and the well-known specific structure and characteristics in the scheme are not described in detail. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, some modifications and improvements can be made, which should be regarded as the protection scope of the present application, and these will not affect the effect and practicality of the patent. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like in the description can be used to explain the content of the claims.

Claims

1. A rotary kiln feeder screw comprising a feed screw conveyor, characterised in that: The right end of the feeding screw conveyor is fixedly connected with a disc support, the right end of the disc support is fixedly connected with a through-core stainless steel core, the outer side of the through-core stainless steel core is fixedly connected with a shaftless spiral blade, the middle part of the shaftless spiral blade is fixedly connected with a seamless shaft tube, and the left end of the seamless shaft tube is fixedly connected with the through-core stainless steel core.

2. A rotary kiln feeder screw according to claim 1 characterised in that: The left end of the disc support is welded with four triangular ribs arranged in a ring array, and the long straight angle side of each triangular rib is welded with the feeding screw conveyor.

3. The rotary kiln feeder auger of claim 1, wherein: The model of the through-core stainless steel core is φ20×20mm, and the through-core stainless steel core is made of L stainless steel.

4. The rotary kiln feeder auger of claim 1, wherein: The model of the seamless shaft tube is φ108×500mm, the whole seamless shaft tube is in the form of a solid cylinder, and the seamless shaft tube is made of L stainless steel.

5. The rotary kiln feeder auger of claim 1, wherein: The feeding screw conveyor is provided with a jitter reduction and noise reduction mechanism, the side of the feeding screw conveyor is fixedly connected with a fixed rod, the side of the fixed rod is provided with a bushing, the outer side of the fixed rod is slidably sleeved with a mounting cylinder, the inner wall of the mounting cylinder is threadedly connected with a screw pin, the screw pin is movably connected with the bushing, the left end of the screw pin is fixedly connected with an end disc, the end disc is in contact with the mounting cylinder, the end surface of the side of the mounting cylinder away from the feeding screw conveyor is fixedly connected with a contact rod, the inner wall of the contact rod is slidably connected with a contact block, the end surface of the contact block is bonded with an elastic ball, and the other end of the elastic ball is bonded with the contact rod.

6. A rotary kiln feeder screw according to claim 5, characterised in that: The bushing is provided with a plurality of bushings, and the plurality of bushings are uniformly distributed on the fixed rod.

7. The rotary kiln feeder auger of claim 5, wherein: The contact block is provided with a plurality of contact blocks, and the plurality of contact blocks are uniformly distributed on the contact rod.

Images