Lime kiln clinker crusher for soda ash production

Abstract

The present invention relates to the technical field of lime kiln clinker crushing, and in particular to a lime kiln clinker crusher for soda ash production, comprising: a crushing mechanism, comprising a support, wherein a motor is fixedly connected to the upper side of the support, two rotating shafts (a) are rotatably connected to the upper side of the support, one end of the rotating shaft (a) on the rear side is connected to an output end of the motor, a crushing roller is fixedly connected to the outside of each rotating shaft (a), a transmission gear is fixedly connected to the side of each rotating shaft (a) distant from the motor, and the two transmission gears are meshed with each other; and an adsorption mechanism, comprising two rotating rollers, wherein the two rotating rollers are rotatably connected to the middle of the support. In the present invention, electromagnetic blocks thoroughly adsorb iron impurities in the crushed lime and lime clinker, thereby reducing the impact of the doped iron impurities on the purity of produced soda ash in subsequent processes. Brushes can be in contact with springs (a) when rotating, such that the electromagnetic blocks are automatically powered off and demagnetized when passing through feeding inlets of discharging pipes, thereby quickly removing the adsorbed impurities from the rotating rollers.

Description

A lime kiln lumper crusher for soda ash production Technical Field

[0001] This invention relates to the field of lime kiln crushing technology, specifically to a lime kiln crushing machine for soda ash production. Background Technology

[0002] Nodulation in lime kilns is a major problem in the soda ash industry, and a satisfactory solution has remained elusive. my country boasts the world's largest soda ash production capacity, with soda ash production playing a crucial role. The lime process, a vital link in soda ash production, is responsible for calcining limestone. The vertical kiln calcination process commonly used by domestic soda ash enterprises suffers from uneven heat distribution within the kiln due to the solid mixture of limestone and coke. This often results in localized over-burning or under-burning, affecting the activity of quicklime and significantly impacting subsequent processes and energy consumption control. Whenever large-scale nodulation occurs in the lime kiln, it is necessary to shut down the kiln for nodulation removal. In the long-term production of lime workshops, the traditional manual method of handling nodulation significantly increases the labor intensity of work shifts.

[0003] A search revealed Chinese Patent Publication No. CN215940193U, which discloses a lime kiln lumps crushing device for underground circulating soda ash production. This technology uses a rotating ash discharge disc while the baffle plate remains stationary, allowing lime and lumps to be discharged from the baffle plate via scrapers onto the lumps crusher. Small pieces of lime are screened through the lumps crusher's grate and sent to subsequent processes, while large lumps slide down the grate between the moving and fixed blades. However, when the external reducer of the lime kiln is activated, power is transmitted to the lumps crusher inside the kiln, causing the moving blades to rotate. Through the interaction between the moving blades and the fixed blades, the lumps are crushed and fall directly into the next process through the gap between the fixed blade and the partition.

[0004] However, limestone undergoes a certain degree of dissolution during its formation, which causes it to adsorb iron ions from groundwater, forming iron impurities. These iron impurities may affect the performance of soda ash. Therefore, the inventors in this field have proposed a lime kiln crusher for soda ash production to solve the above problems. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the purpose of this disclosure is to provide a lime kiln crusher for soda ash production, which can remove iron impurities mixed in with lime.

[0006] The objective of this disclosure can be achieved through the following technical solutions:

[0007] A lime kiln flaking machine for soda ash production includes:

[0008] The crushing mechanism includes a support frame, a motor fixedly connected to the upper side of the support frame, two rotating shafts a rotatably connected to the upper side of the support frame, one end of the rear rotating shaft a connected to the output end of the motor, crushing rollers fixedly connected to the outside of the two rotating shafts a, and transmission gears fixedly connected to the side of the two rotating shafts a away from the motor, and the two transmission gears meshing with each other.

[0009] The adsorption mechanism includes two rotating rollers, both of which are rotatably connected to the middle of a support. Discharge pipes are fixedly connected to both sides of the middle of the support. Multiple electromagnetic blocks are fixedly connected inside each of the two rotating rollers. One side of each electromagnetic block is connected to a contact block a and a contact block b via wires. A brush is slidably connected inside each contact block b, and a spring a is installed inside each contact block b. Two fixed seats are fixedly connected to one side of the middle of the support. Contact rings a and b are slidably connected inside each of the two fixed seats. Contact block a is in contact with contact ring a. An insulating block is fixedly connected inside contact ring b. Spring a rebounds and pushes the brush to contact contact ring b or the insulating block.

[0010] Two rotating shafts a and two rotating rollers are connected by a gear chain a, which crosses each other. When the two rotating shafts a rotate inward through the gear chain a, they drive the two rotating rollers to rotate outward respectively.

[0011] In some disclosures, two inclined plates are fixedly connected to the middle of the support, and a screen plate is set between the two inclined plates. Two shock-absorbing rods are fixedly connected to the bottom end of the screen plate near the motor. The two shock-absorbing rods are fixedly connected to the middle of the support on the side away from the screen plate. Two sliding rods are fixedly connected to the top end of the screen plate away from the motor. Each sliding rod is equipped with a sleeve rod on its outside. Both sleeve rods are fixedly connected to the middle of the support. Springs b are sleeved on the outside of both sleeve rods. A fixed frame is fixedly connected to the middle of the support away from the motor. A rotating shaft b is rotatably connected to the middle of the fixed frame. A gear chain c is sleeved between the end of the rotating shaft b away from the support and the rotating roller. A rotating disk is fixedly connected to the end of the rotating shaft b away from the gear chain c. Multiple protruding rods are fixedly connected to the outside of the rotating disk. A discharge port b is fixedly connected to the middle of the support near the motor.

[0012] The end of the top protrusion of the rotating disk away from the rotating disk contacts the bottom end of the screen plate. When one of the multiple protrusions on the outside of the rotating disk is at the top of the rotating disk, the protrusion lifts the screen plate to its highest position. When the rotating disk drives the protrusion to continue rotating, the screen plate falls when the two topmost protrusions of the rotating disk contact the bottom end of the screen plate.

[0013] In some disclosures, two brush rollers are rotatably connected to the middle of the support. Gear chains b are respectively fitted between the two brush rollers and the two rotating rollers on the side of the two brush rollers near the gear chain a. The two brush rollers are respectively set on the lower side of two inclined plates. An air pipe is fixedly connected between the two inclined plates. Multiple air nozzles are fixedly connected to the outside of the air pipe. An air pump is fixedly connected to the outer side of the middle of the support. The air supply end of the air pump is connected to the air pipe. Multiple air nozzles are respectively set on the upper side of the two brush rollers.

[0014] In some disclosures, the lower ports on opposite sides of the two discharge pipes are respectively attached to adjacent rotating rollers, and the lower ports on opposite sides of the two discharge pipes are used to scrape off iron impurities adsorbed on the adjacent rotating rollers. An opening is provided between the upper ports on opposite sides of the two discharge pipes and the adjacent rotating rollers.

[0015] In some public images, both rotating rollers are covered with removable rubber material.

[0016] In some publicly available designs, an insulating layer is provided between multiple electromagnetic blocks and the external rotating roller.

[0017] In some disclosures, the connecting wires between the electromagnetic block and the receiving blocks a and b are all located inside the rotating roller. The receiving blocks a and b are both connected to the adjacent rotating rollers. The receiving blocks a and b rotate inside the receiving rings a and b respectively through the rotation of the rotating rollers.

[0018] In some disclosures, the two insulating blocks are positioned below the side of the adjacent electromagnetic block. The insulating blocks cause each electromagnetic block to automatically de-energize and demagnetize when it passes the inlet of the adjacent discharge pipe, thereby sending the adsorbed iron impurities into the interior of the discharge pipe.

[0019] In some publications, a feed inlet is fixedly connected to the top of the support, and a discharge outlet a is fixedly connected to the bottom of the support.

[0020] The explanations of the nouns, conjunctions, or adjectives used in the above technical solutions are as follows:

[0021] A fixed connection refers to a connection in which parts or components are fixed in place and there is no relative movement between them;

[0022] A sliding connection is a connection between parts that allows the parts to slide against each other.

[0023] A swivel connection is used to connect two parts and allow them to rotate relative to each other.

[0024] The beneficial effects of this disclosure are:

[0025] This invention uses an electromagnetic block to adsorb iron impurities from crushed lime and lime nodules, thereby reducing the impact of iron impurities on the purity of alkali production in subsequent processes. When the brush rotates, it can contact the spring a, and then automatically de-energize and demagnetize the electromagnetic block when it passes the feed inlet of the discharge pipe, thus quickly removing the adsorbed impurities from the rotating roller. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this disclosure or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, those skilled in the art can obtain other drawings based on these drawings without creative effort.

[0027] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 is a schematic diagram of the structural view of Figure 1 of the present invention;

[0029] Figure 3 is a schematic diagram of the structure of Figure 1 of the present invention from another perspective;

[0030] Figure 4 is a schematic diagram of the crushing roller structure;

[0031] Figure 5 is a schematic diagram of the rotating roller structure;

[0032] Figure 6 is a schematic diagram of the discharge pipe;

[0033] Figure 7 is a schematic diagram of the electromagnetic block;

[0034] Figure 8 is a schematic diagram of the brush structure;

[0035] Figure 9 is a schematic diagram of the sieve plate structure;

[0036] Figure 10 is a schematic diagram of the brush roller structure;

[0037] Figure 11 is a schematic diagram of the air pump;

[0038] Figure 12 is a schematic diagram of the inclined plate;

[0039] Figure 13 is an enlarged view of point A in Figure 9.

[0040] The components are as follows: 1. Support; 2. Motor; 3. Rotating shaft a; 4. Crushing roller; 5. Transmission gear; 6. Rotating roller; 7. Gear chain a; 8. Discharge pipe; 9. Electromagnetic block; 10. Electrical contact block a; 11. Electrical contact block b; 12. Brush; 13. Spring a; 14. Fixed seat; 15. Electrical contact ring a; 16. Electrical contact ring b; 17. Insulating block; 18. Brush roller; 19. Gear chain b; 20. Inclined plate; 21. Screen plate; 22. Shock absorber rod; 23. Sleeve rod; 24. Sliding rod; 25. Spring b; 26. Support; 27. Rotating shaft b; 28. Gear chain c; 29. ​​Rotating disk; 30. Protruding rod; 31. Air pipe; 32. Air nozzle; 33. Air pump; 34. Feed inlet; 35. Discharge port a; 36. Discharge port b. Detailed Implementation

[0041] The technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0042] An embodiment of a lime kiln lumps crusher in soda ash production is described here with reference to Figures 1 to 7. Specifically, the lumps crusher has components such as a motor 2, crushing rollers 4, rotating rollers 6, and electromagnetic blocks 9. The rear rotating shaft a3 is driven to rotate by brushes 12. The rear rotating shaft a3 drives the front rotating shaft a3 to rotate through two meshing transmission gears 5. The two rotating shafts a3 drive the two crushing rollers 4 to rotate, thereby realizing the crushing of lime and lime lumps.

[0043] The gear chain a7, which connects the two rotating shafts a3 and the two rotating rollers 6 through the intersection of the two rotating shafts a3 and the two rotating rollers 6, causes the two rotating shafts a3 to rotate inward and drive the two rotating rollers 6 to rotate outward respectively when the two rotating shafts a3 rotate inward.

[0044] The rotating roller 6 drives the contact block b11 to rotate, which in turn drives the brush 12 to rotate inside the spring a13. Through the spring a13, the brush 12 is retractable, so that the brush 12 can quickly retract when it comes into contact with the insulating block 17. This causes the electromagnetic block 9 to automatically de-energize and demagnetize when it enters the feed inlet of the discharge pipe 8, so that it can quickly remove the impurities adsorbed on the rotating roller 6.

[0045] Please refer to Figures 1 to 7. A lime kiln flaking machine for soda ash production includes:

[0046] The crushing mechanism includes a support 1, a motor 2 fixedly connected to the upper side of the support 1, two rotating shafts a3 rotatably connected to the upper side of the support 1, one end of the rear rotating shaft a3 connected to the output end of the motor 2, crushing rollers 4 fixedly connected to the outside of the two rotating shafts a3, and transmission gears 5 fixedly connected to the side of the two rotating shafts a3 away from the motor 2, and the two transmission gears 5 mesh with each other.

[0047] The adsorption mechanism includes two rotating rollers 6, both of which are rotatably connected to the middle of the support 1. Discharge pipes 8 are fixedly connected to both sides of the middle of the support 1. Multiple electromagnetic blocks 9 are fixedly connected inside the two rotating rollers 6. One side of each electromagnetic block 9 is connected to a contact block a10 and a contact block b11 via wires. A brush 12 is slidably connected inside the contact block b11. A spring a13 is provided inside the contact block b11. Two fixed seats 14 are fixedly connected to one side of the middle of the support 1. A contact ring a15 and a contact ring b16 are slidably connected inside the two fixed seats 14. The contact block a10 is in contact with the contact ring a15. An insulating block 17 is fixedly connected inside the contact ring b16. The spring a13 rebounds and pushes the brush 12 to contact the contact ring b16 or the insulating block 17.

[0048] Two rotating shafts a3 and two rotating rollers 6 are connected by a gear chain a7 that crosses each other. When the two rotating shafts a3 rotate inward through the gear chain a7, they drive the two rotating rollers 6 to rotate outward respectively.

[0049] Of course, in this application, the motor 2 also includes a reducer to slow down the rotation speed of the crushing roller 4 and the torque of the elevator, so that it can better crush lime and limestone nodules;

[0050] In this application, two crushing rollers 4 are arranged above the middle of two rotating rollers 6, so that after the two crushing rollers 4 crush the lime, the raw material can fall accurately between the two rotating rollers 6, thereby facilitating the adsorption of impurities by the electromagnetic block 9.

[0051] In this application, when the two rotating shafts a3 rotate inward, they respectively drive the two rotating rollers 6 to rotate outward. When the two rotating rollers 6 come into contact with the inlet of the discharge pipe 8 during rotation, the impurities adsorbed by the rotating rollers 6 can be scraped off by the discharge pipe 8.

[0052] In this application, the principle of the electromagnetic block 9 is that it has an electromagnet inside and a coil wound around it. When the electromagnet is energized through the connecting ring a15, connecting ring b16, connecting block a10, connecting block b11 and brush 12, the current generates a magnetic field in the coil. This magnetic field can be used to attract other magnetic objects, thereby realizing the adsorption of iron impurities by the electromagnetic block 9.

[0053] Two inclined plates 20 are fixedly connected to the middle of the support 1. A screen plate 21 is arranged between the two inclined plates 20. Two shock-absorbing rods 22 are fixedly connected to the bottom end of the screen plate 21 near the motor 2. The sides of the two shock-absorbing rods 22 away from the screen plate 21 are fixedly connected to the middle of the support 1. Two sliding rods 24 are fixedly connected to the top end of the screen plate 21 away from the motor 2. Each sliding rod 24 is equipped with a sleeve 23. Both sleeves 23 are fixedly connected to the middle of the support 1. Each part is fitted with a spring b25. A fixed frame 26 is fixedly connected to the middle of the bracket 1 on the side away from the motor 2. A rotating shaft b27 is rotatably connected to the middle of the fixed frame 26. A gear chain c28 is fitted between the end of the rotating shaft b27 away from the bracket 1 and the rotating roller 6. A rotating disk 29 is fixedly connected to the end of the rotating shaft b27 away from the gear chain c28. Multiple protruding rods 30 are fixedly connected to the outside of the rotating disk 29. A discharge port b36 is fixedly connected to the middle of the bracket 1 on the side close to the motor 2.

[0054] The end of the top protrusion 30 of the rotating disk 29 away from the rotating disk 29 contacts the bottom end of the sieve plate 21. When one of the multiple protrusions 30 on the outside of the rotating disk 29 is at the top of the rotating disk 29, the protrusion 30 lifts the sieve plate 21 to the highest position. When the rotating disk 29 drives the protrusion 30 to continue rotating, when the two topmost protrusions 30 of the rotating disk 29 contact the bottom end of the sieve plate 21, the sieve plate 21 falls down.

[0055] In this application, the vibration of the sieve plate 21 disperses the lime and prevents excessive lime from affecting the electromagnetic adsorption effect when it falls through the sieve plate 21. On the other hand, it can discharge the incompletely crushed lime lumps, which then facilitates secondary crushing.

[0056] In this application, the rotating roller 6 drives the brush roller 18 to rotate via the gear chain b19, and the brush roller 18 removes the lime adhering to the metal that has been electromagnetically attracted.

[0057] Two brush rollers 18 are rotatably connected to the middle of the bracket 1. Gear chains b19 are respectively fitted between the two brush rollers 18 and the two rotating rollers 6 on the side of the two brush rollers 18 near the gear chain a7. The two brush rollers 18 are respectively set on the lower side of the two inclined plates 20. An air pipe 31 is fixedly connected between the two inclined plates 20. Multiple air nozzles 32 are fixedly connected to the outside of the air pipe 31. An air pump 33 is fixedly connected to the outer side of the middle of the bracket 1. The air supply end of the air pump 33 is connected to the air pipe 31. Multiple air nozzles 32 are respectively set on the upper side of the two brush rollers 18.

[0058] In this application, the brush roller 18 is set on the lower side of the inclined plate 20, so that when the lime falls, it falls directly onto the brush roller 18. The air pump 33 delivers gas into the air pipe 31 and sprays the gas through the air nozzle 32, blowing it onto the brush roller 18, thereby blowing off the lime adhering to the brush roller 18.

[0059] Connecting ring a15, connecting ring b16, connecting block a10, connecting block b11, and brush 12 are all conductors.

[0060] The lower ports on opposite sides of the two discharge pipes 8 are respectively attached to the adjacent rotating rollers 6. The lower ports on opposite sides of the two discharge pipes 8 are used to scrape off the iron impurities adsorbed on the adjacent rotating rollers 6. An opening is provided between the upper ports on opposite sides of the two discharge pipes 8 and the adjacent rotating rollers 6.

[0061] In this application, the discharge pipe 8 serves two purposes: firstly, to scrape off iron impurities adhering to the rotating roller 6, and secondly, to transport the iron impurities out through the discharge pipe 8.

[0062] Both rotating rollers 6 are covered with removable rubber material.

[0063] An insulating layer is provided between each of the multiple electromagnetic blocks 9 and the external rotating roller 6;

[0064] In this application, since the equipment is made of metal, the use of rubber material helps to prevent electric shock accidents.

[0065] The connecting wires of the electromagnetic block 9 to the connecting blocks a10 and b11 are all located inside the rotating roller 6. The connecting blocks a10 and b11 are connected to the adjacent rotating roller 6. The connecting blocks a10 and b11 rotate inside the connecting rings a15 and b16 respectively through the rotation of the rotating roller 6.

[0066] The two insulating blocks 17 are positioned below the side of the adjacent electromagnetic block 9. The insulating blocks 17 cause each electromagnetic block 9 to automatically de-energize and demagnetize when it passes the inlet of the adjacent discharge pipe 8, thereby sending the adsorbed iron impurities into the interior of the discharge pipe 8.

[0067] In this application, the length of the insulating block 17 is approximately 1 / 4 of the length of the contact ring b16. It is positioned inside the contact ring b16 near the lower side of the adjacent electromagnetic block 9, so that when the brush 12 just comes into contact with the insulating block 17, the electromagnetic block 9 connected to the brush 12 is just inside the inlet of the adjacent discharge pipe 8. At this time, the electromagnetic block 9 is de-energized and demagnetized in time, and the impurities adsorbed by the de-energized electromagnetic block 9 fall into the interior of the discharge pipe 8 in time. When the brush 12 separates from the insulating block 17, the electromagnetic block 9 connected to the brush 12 just moves out of the inlet of the discharge pipe 8. At this time, the brush 12 comes into contact with the contact ring b16 again, causing the electromagnetic block 9 to be energized again to generate magnetic force, thereby carrying out the next adsorption work.

[0068] The top of the bracket 1 is fixedly connected to the feed port 34, and the bottom of the bracket 1 is fixedly connected to the discharge port a35.

[0069] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0070] The foregoing has shown and described the basic principles, main features, and advantages of this disclosure. Those skilled in the art should understand that this disclosure is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this disclosure. Various changes and modifications can be made to this disclosure without departing from its spirit and scope, and all such changes and modifications fall within the scope of this disclosure as claimed.

Claims

1. A lime kiln flaking machine for soda ash production, characterized in that, The utility model relates to a kind of powdering mechanism and adsorption mechanism, including: Powdering mechanism, including support (1), the upper side of support (1) is fixedly connected with motor (2), the upper side of support (1) is rotatably connected with two rotating shafts a (3), the output end of motor (2) is connected with the one end of rear rotating shaft a (3), the outside of two rotating shafts a (3) is fixedly connected with pulverizing roller (4), the one side of two rotating shafts a (3) away from motor (2) is fixedly connected with transmission gear (5), and two transmission gears (5) are engaged with each other. Adsorption mechanism, including two rotating rollers (6), two rotating rollers (6) are rotatably connected in the middle of support (1), the middle of support (1) is fixedly connected with discharge pipe (8) on both sides, the inside of two rotating rollers (6) is fixedly connected with multiple electromagnetic blocks (9), the one side of multiple electromagnetic blocks (9) is connected with electricity receiving block a (10) and electricity receiving block b (11) by wire, the inside of electricity receiving block b (11) is slidably connected with brush (12), the inside of electricity receiving block b (11) is provided with spring a (13), the one side of the middle of support (1) is fixedly connected with two fixed seats (14), the inside of two fixed seats (14) is slidably connected with electricity receiving ring a (15) and electricity receiving ring b (16), electricity receiving block a (10) is in contact with electricity receiving ring a (15), and electricity receiving ring b (16) is fixedly connected with insulating block (17) in the inside, and spring a (13) is rebounded to push brush (12) and contact with electricity receiving ring b (16) or insulating block (17). Two rotating shafts a (3) and two rotating rollers (6) are connected with gear chain a (7) between each other, and two rotating rollers (6) are driven to rotate outward when two rotating shafts a (3) are rotated inward by gear chain a (7).

2. A lime kiln boulder breaker for soda production according to claim 1, characterized in that, The middle of support (1) is fixedly connected with two inclined plates (20), and sieve plate (21) is arranged between two inclined plates (20). The top end of the rotating disc (29) is in contact with the bottom end of the sieve plate (21), and one of the plurality of protrusions (30) on the outside of the rotating disc (29) is at the top end of the rotating disc (29), and the protrusion (30) lifts the sieve plate (21) to the highest position, and when the rotating disc (29) drives the protrusion (30) to continue to rotate, the two protrusions (30) at the top end of the rotating disc (29) are in contact with the bottom end of the sieve plate (21), and the sieve plate (21) falls.

3. A nubber breaker for lime kiln in soda production according to claim 1, characterized in that, The middle part of the support (1) is rotatably connected with two brush rollers (18), the two brush rollers (18) are respectively sleeved with gear chains b (19) between the two rotating rollers (6) close to one side of the gear chain a (7), the two brush rollers (18) are respectively arranged on the lower side of the two inclined plates (20), the two inclined plates (20) are fixedly connected with the air pipe (31), the outside of the air pipe (31) is fixedly connected with a plurality of air nozzles (32), the middle part of the support (1) is fixedly connected with the air pump (33), the air pump (33) is in communication with the air pipe (31), and the plurality of air nozzles (32) are arranged on the upper side of the two brush rollers (18).

4. A nubber breaker for lime kiln in soda production according to claim 1, characterized in that, The opposite side lower ports of the two discharge pipes (8) are respectively in contact with the adjacent rotating rollers (6), and the opposite side lower ports of the two discharge pipes (8) are used for scraping the iron impurities adsorbed on the adjacent rotating rollers (6). The opposite side upper ports of the two discharge pipes (8) are provided with openings between the adjacent rotating rollers (6).

5. A nubber breaker for lime kiln in soda production according to claim 1 characterized in that, The outside of the two rotating rollers (6) is wrapped with a detachable rubber material.

6. A nubber breaker for lime kiln in soda production according to claim 1 characterized in that, The plurality of electromagnetic blocks (9) and the external rotating rollers (6) are provided with an insulation layer.

7. A nubber breaker for lime kiln in soda production according to claim 1 characterized in that, The connecting wires of the electromagnetic blocks (9), the power receiving block a (10) and the power receiving block b (11) are arranged in the inside of the rotating roller (6), the power receiving block a (10) and the power receiving block b (11) are connected with the adjacent rotating roller (6), and the power receiving block a (10) and the power receiving block b (11) are respectively rotated in the inside of the power receiving ring a (15) and the power receiving ring b (16) through the rotating roller (6).

8. A nubber breaker for lime kiln in soda production according to claim 1 characterized in that, The setting direction of the two insulation blocks (17) is from the lower side close to the adjacent electromagnetic block (9), so that each electromagnetic block (9) is automatically de-energized and demagnetized when passing through the inlet of the adjacent discharge pipe (8), and then the adsorbed iron impurities are sent into the inside of the discharge pipe (8).

9. A nubber breaker for lime kiln in soda production according to claim 1 characterized in that, The top end of the support (1) is fixedly connected with the inlet (34), and the lower side of the support (1) is fixedly connected with the discharge port a (35).

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