Continuous manganese ore pyrolysis reactor

Abstract

The utility model discloses a continuous manganese ore pyrolysis reactor which comprises a reactor main body with supporting legs at the bottom, a conveying assembly and a pyrolysis assembly are installed on the side end face of the reactor main body, the conveying assembly and the pyrolysis assembly are arranged in an inner cavity of the reactor main body in parallel in a spaced mode, the conveying assembly conveys and preheats manganese ore, and the pyrolysis assembly is arranged in an inner cavity of the reactor main body. And the preheated manganese ore is continuously input to the feeding end of the pyrolysis assembly, a cleaning assembly is arranged on the outer wall of the end, away from the feeding end, of the pyrolysis assembly, and the cleaning assembly is used for cleaning part of the outer wall of the pyrolysis assembly. By arranging the conveying assembly, preheating is carried out while conveying is carried out, the preheating time before raw material pyrolysis is shortened, the heat utilization rate is increased, and meanwhile continuous feeding, pyrolysis, screening and deslagging are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of manganese ore processing, in particular to a continuous manganese ore pyrolysis reactor. Background Art

[0002] Manganese ore products are used in various fields of the national economy, such as steel industry, chemical industry, building materials industry, national defense industry, electronics industry, as well as environmental protection and agriculture and animal husbandry. The mining and fine processing of manganese ore have a very important strategic position in the national economy. The pyrolysis products of manganese ore are important raw materials for alloy forging and chemical synthesis, and are one of the important ways to finely process manganese ore.

[0003] After searching, the application number CN202320309058.9 discloses a pyrolysis reactor, including a furnace body, a burner is installed under the furnace body, a feed inlet, a pyrolysis gas outlet and a dust circulation inlet are arranged above the furnace body, the feed inlet is located above the burner, the pyrolysis gas outlet is close to the top of the furnace body, and multiple layers of refractory insulation materials are installed on the inner side of the furnace body and the furnace wall. At the same time, a temperature detection alarm system is also installed on the furnace body and the furnace wall, which can monitor the temperature in the furnace in all directions to ensure the safety and stability of the biomass pyrolysis furnace.

[0004] Existing pyrolysis reactors cannot achieve continuous loading and unloading, and raw materials need to be loaded, pyrolyzed, and discharged in batches, which limits the pyrolysis efficiency of the equipment. At the same time, the burner heats the pyrolysis products from the initial temperature and then pyrolyzes them after the temperature reaches the pyrolysis temperature. The material needs a long preheating time and consumes a lot of energy. Utility Model Content

[0005] The utility model aims to provide a continuous manganese ore pyrolysis reactor to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides a continuous manganese ore pyrolysis reactor, comprising a reactor body with legs at the bottom, a conveying assembly and a pyrolysis assembly installed on the side end face of the reactor body, the conveying assembly and the pyrolysis assembly are arranged in parallel and spaced apart in the inner cavity of the reactor body, the conveying assembly conveys and preheats the manganese ore, and continuously inputs the preheated manganese ore to the feed end of the pyrolysis assembly, the outer wall of the pyrolysis assembly away from the feed end is provided with a cleaning assembly, and the cleaning assembly cleans part of the outer wall of the pyrolysis assembly.

[0007] As a further preference, the reactor body comprises a box body, a gas outlet is fixedly connected to the top of the box body, and a material guide plate is fixedly connected to the bottom of the inner cavity of the box body.

[0008] As a further preference, the conveying assembly includes a conveying cylinder, one end of the conveying cylinder extends into the inner cavity of the box body and is fixedly connected to a preheating cylinder, a first auger shaft is installed at one end of the conveying cylinder facing away from the preheating cylinder, the first auger shaft passes through the conveying cylinder and the preheating cylinder in sequence, a feed hopper is fixedly connected to the top of the conveying cylinder, and a discharge pipe is fixedly connected to the bottom end of the preheating cylinder facing away from the feed hopper.

[0009] As a further preference, the pyrolysis assembly includes a pyrolysis cylinder, one end of the pyrolysis cylinder is fixedly connected to a screening cylinder, a second auger shaft is installed at the end of the pyrolysis cylinder away from the screening cylinder, the second auger shaft passes through the pyrolysis cylinder and the screening cylinder in sequence, and the end of the screening cylinder away from the second auger shaft extends out of the box and is fixedly connected to a slag discharge port.

[0010] As a further preference, a feed hole is opened at the top of the pyrolysis cylinder, and the feed hole is connected to the preheating cylinder through the discharge pipe. A heating coil is arranged inside the pyrolysis cylinder, and the heating coil heats the manganese ore in the inner cavity of the pyrolysis cylinder.

[0011] As a further preference, the cleaning assembly includes an inner gear ring, the inner wall of the inner gear ring is meshingly connected with a driving gear, the first auger shaft drives the driving gear to rotate, the side wall of the inner gear ring is fixedly connected with a brush plate, and the brush plate is fixedly connected with a metal brush close to the side of the screen barrel.

[0012] Through the above technical solution, the continuous manganese ore pyrolysis reactor provided by the utility model has the following benefits:

[0013] 1. The utility model sets a conveying component, and the manganese ore is put into the conveying cylinder from the feed hopper. The first auger shaft works to continuously convey the ore to the preheating cylinder. When the manganese ore is conveyed inside the preheating cylinder, the heat radiation generated by the pyrolysis cylinder and the decomposition gas overflowing from the screening cylinder preheat the ore in the preheating cylinder. The outer wall of the preheating cylinder is provided with filter holes, which helps the hot gas to diffuse inward and improve the preheating efficiency of the ore. The preheated ore is conveyed to the pyrolysis cylinder through the discharge pipe for pyrolysis, which reduces the preheating time before the raw material pyrolysis, improves the heat utilization rate, and realizes continuous feeding at the same time.

[0014] 2. The utility model provides a pyrolysis component, and the preheated material is injected into the pyrolysis cylinder. The heating ring continues to heat to promote the pyrolysis of the raw material. At the same time, the second auger shaft gradually transports the material in the pyrolysis cylinder to the screening cylinder. The material after pyrolysis is completed is transported to the screening cylinder, and the pyrolysis gas and pyrolysis products are discharged from the through holes on the outer wall of the screening cylinder. As the material is spirally transported in the screening cylinder, the product is continuously discharged, and the final residue is discharged from the slag discharge port, thereby realizing continuous pyrolysis, screening and slag discharge. At the same time, a metal brush is provided on the outer wall of the screening cylinder, and the metal brush makes a circular motion along the outer wall of the screening cylinder to clean the through holes of the screening cylinder to prevent the residue from clogging the through holes and affecting the discharge of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the structure of a continuous manganese ore pyrolysis reactor.

[0016] Figure 2 This is a schematic diagram of the partial cross-section structure of the pyrolysis reactor of the utility model

[0017] Figure 3 This is a schematic diagram of the main structure of the reactor of the utility model.

[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the conveying component of the utility model.

[0019] Figure 5 It is a schematic diagram of the partial cross-sectional structure of the pyrolysis component of the utility model.

[0020] Figure 6 It is a schematic diagram of the structure of the cleaning component of the utility model.

[0021] In the figure: 1 reactor body, 11 box body, 12 air outlet, 13 guide plate, 2 conveying assembly, 21 first auger shaft, 22 feed hopper, 23 conveying cylinder, 24 preheating cylinder, 25 discharge pipe, 3 pyrolysis assembly, 31 second auger shaft, 32 pyrolysis cylinder, 33 screening cylinder, 34 slag discharge port, 35 heating ring, 4 cleaning assembly, 41 inner gear ring, 42 metal brush, 43 brush plate, 44 driving gear. DETAILED DESCRIPTION

[0022] 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.

[0023] The utility model is further described in detail with reference to the accompanying drawings.

[0024] See also Figure 1 one Figure 6 , a continuous manganese ore pyrolysis reactor provided by the utility model, includes a reactor body 1, a conveying component 2, a pyrolysis component 3 and a cleaning component 4.

[0025] Among them, see Figure 1-Figure 3The reactor body 1 includes a box body 11, a gas outlet 12 is fixedly connected to the top of the box body 11, a guide plate 13 is fixedly connected to the bottom of the inner cavity of the box body 11, a conveying component 2 is installed on the side wall of the box body 11, one end of the conveying component 2 penetrates the box body 11 and extends into the inner cavity of the box body 11, a pyrolysis component 3 is installed on the other side wall of the box body 11, one end of the pyrolysis component 3 penetrates the box body 11 and extends into the inner cavity of the box body 11, the pyrolysis component 3 is arranged in parallel with the conveying component 2, and the pyrolysis component 3 is located below the conveying component 2, a cleaning component 4 is installed on the outer wall of the discharge end of the pyrolysis component 3, and the cleaning component 4 cleans the outer wall of the discharge end of the pyrolysis component 3 to avoid blockage, the material is transported to the inner cavity of the box body 11 through the conveying component 2, and then conveyed to the inside of the pyrolysis component 3 for pyrolysis screening, and the sifted residue is discharged from the slag discharge port of the pyrolysis component 3 to realize continuous pyrolysis treatment of manganese ore.

[0026] Specifically, please refer to 4. In order to shorten the heating time before pyrolysis and improve the heat utilization rate during pyrolysis, the conveying component 2 includes a conveying cylinder 23, one end of the conveying cylinder 23 extends into the inner cavity of the box body 11 and is fixedly connected to the preheating cylinder 24, and the other end of the conveying cylinder 23 is installed with a first auger shaft 21. The first auger shaft 21 includes a first motor and a first screw shaft, one end of the first screw shaft is fixedly connected to the output end of the first motor, and the other end of the first screw shaft passes through the conveying cylinder 23 and the preheating cylinder 24 in sequence, and is rotatably connected to the side wall of the preheating cylinder 24, the top of the conveying cylinder 23 is fixedly connected to the feed hopper 22, and the bottom of the preheating cylinder 24 is fixedly connected to the end away from the conveying cylinder 23. The manganese ore is put into the feed hopper 22, and the first motor works to convey the manganese ore to the preheating cylinder 24 through the first screw shaft. When transmitted in the preheating cylinder 24, it is preheated by the heat overflowed from the pyrolysis component 3, and the preheated ore is conveyed to the pyrolysis component 3 through the discharge pipe 25 for pyrolysis.

[0027] It should be noted that a sealing and heat-insulating ring is provided at the connection between the conveying cylinder 23 and the box body 11 to reduce the heat loss inside the box body 11 .

[0028] It should also be noted that the outer wall of the preheating cylinder 24 is provided with sieve holes to prevent ore leakage and improve the heat exchange efficiency between the ore inside the preheating cylinder 24 and the inner cavity of the box body 11.

[0029] For details, please refer to Figure 5In order to realize the continuous pyrolysis of manganese ore, the pyrolysis assembly 3 includes a pyrolysis cylinder 32, one end of the pyrolysis cylinder 32 is fixedly connected with a screening cylinder 33, the other end of the pyrolysis cylinder 32 is installed with a second auger shaft 31, the second auger shaft 31 includes a second motor, the output end of the second motor is fixedly connected with the second auger shaft, the second spiral shaft away from the second motor one end sequentially penetrates the pyrolysis cylinder 32 and the screening cylinder 33 and is rotatably connected to the side wall of the screening cylinder 33, the screen cylinder 33 away from the pyrolysis cylinder 32 one end penetrates the inner wall of the box 11 and extends out and is fixedly connected with the discharge Slag outlet 34, a heating ring 35 is arranged inside the pyrolysis cylinder 32, and the heating ring 35 heats and pyrolyzes the manganese ore in the inner cavity of the pyrolysis cylinder 32. The preheated manganese ore is transported to the pyrolysis cylinder 32, and is heated and pyrolyzed by the heating ring 35, while being transported toward the screen cylinder 33 by the second spiral shaft. When the pyrolyzed manganese ore is transported to the inner cavity of the screen cylinder 33, the pyrolysis product and pyrolysis gas are discharged, and the residue is finally transported to the slag outlet 34 through the second spiral shaft for discharge, and the pyrolysis gas flows upward to preheat the preheating cylinder 24, and then is discharged through the gas outlet 12.

[0030] It should be noted that the outer wall of the screening barrel 33 is provided with through holes. When the material is transported in the inner cavity of the screening barrel 33, pyrolysis gas and pyrolysis products leak out from the through holes, and the second spiral shaft stirs and transports to accelerate the discharge of the pyrolysis products.

[0031] For details, please refer to Figure 6 In order to improve the discharge efficiency of the pyrolysis products, the cleaning component 4 includes an inner gear ring 41 and a driving gear 44. The inner gear ring 41 is rotatably connected to the inner wall of the box body 11. The driving gear 44 meshes with the inner wall of the inner gear ring 41 to drive the inner gear ring 41 to rotate. A brush plate 43 is fixedly connected to the outer wall of the inner gear ring 41. A metal brush 42 is fixedly connected to the side of the brush plate 43 close to the screen barrel 33. The metal brush 42 is arranged parallel to the axis of the screen barrel 33, and the outer side of the metal brush 42 contacts the outer wall of the screen barrel 33. When the inner gear ring 41 rotates, it drives the metal brush 42 to rotate to clean the through holes on the outer wall of the screen barrel 33 to prevent residues from clogging the through holes and affecting the discharge of pyrolysis products.

[0032] It should be noted that the driving gear 44 is fixedly connected to a driving rod on one side close to the inner wall of the box body 11, the driving rod extends through the box body 11 and is fixedly connected to a first pulley, a second pulley is provided on the outer wall of the output end of the first motor, and the second pulley is connected to the first pulley through a belt, thereby driving the driving gear 44 to rotate, and the driving gear 44 is meshed with the inner gear ring 41 to provide driving force for the movement of the metal brush 42.

[0033] Principle: Manganese ore is put into the feed hopper 22, and the first motor drives the first screw shaft to transport the ore from the conveying cylinder 23 to the inner cavity of the preheating cylinder 24. At the same time, the heating ring 35 works, and the heat generated is transferred to the preheating cylinder 24 to preheat the ore in the preheating cylinder 24. The preheated ore is transported to the pyrolysis cylinder 32 through the discharge pipe 25 for pyrolysis. The second auger shaft 31 works to continuously push the pyrolyzed material in the pyrolysis cylinder 32 to the screening cylinder 33. When the pyrolyzed material is transported to the screening cylinder 33, the pyrolysis products and pyrolysis gas leak out from the through hole. After a long distance After being transmitted by the screening drum 33, the residue of the pyrolysis product screened out is transported to the slag discharge port 34 by the second auger shaft 31 for discharge. The pyrolysis gas flows upward and exchanges heat with the preheating drum 24 before being discharged from the gas outlet 12. The pyrolysis product is guided to the discharge port for collection through the guide plate 13. When the first motor is working, it is transmitted to the first belt roller via the belt through the second belt roller, thereby driving the drive gear 44 to rotate. The drive gear 44 engages with the inner gear ring 41 to drive the brush plate 43 to rotate. The metal brush 42 cleans the through holes on the outer wall of the screening drum 33 to prevent the residue from clogging the through holes and affecting the discharge of the pyrolysis product.

[0034] 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 continuous manganese ore pyrolysis reactor, comprising a reactor body (1) with legs at the bottom, characterized in that: A conveying component (2) and a pyrolysis component (3) are installed on the side end surface of the reactor body (1); the conveying component (2) and the pyrolysis component (3) are arranged in parallel and spaced apart in the inner cavity of the reactor body (1); the conveying component (2) conveys and preheats the manganese ore, and continuously inputs the preheated manganese ore to the feed end of the pyrolysis component (3); a cleaning component (4) is arranged on the outer wall of the pyrolysis component (3) away from the feed end, and the cleaning component (4) cleans part of the outer wall of the pyrolysis component (3).

2. A continuous manganese ore pyrolysis reactor according to claim 1, characterized in that: The reactor body (1) comprises a box body (11), a gas outlet (12) is fixedly connected to the top of the box body (11), and a material guide plate (13) is fixedly connected to the bottom of the inner cavity of the box body (11).

3. A continuous manganese ore pyrolysis reactor according to claim 2, characterized in that: The conveying assembly (2) comprises a conveying cylinder (23), one end of the conveying cylinder (23) extends into the inner cavity of the box body (11) and is fixedly connected to a preheating cylinder (24), the end of the conveying cylinder (23) facing away from the preheating cylinder (24) is equipped with a first auger shaft (21), the first auger shaft (21) passes through the conveying cylinder (23) and the preheating cylinder (24) in sequence, the top of the conveying cylinder (23) is fixedly connected to a feed hopper (22), and the bottom of the preheating cylinder (24) is fixedly connected to a discharge pipe (25).

4. A continuous manganese ore pyrolysis reactor according to claim 3, characterized in that: The pyrolysis assembly (3) comprises a pyrolysis cylinder (32), one end of the pyrolysis cylinder (32) is fixedly connected to a screening cylinder (33), the end of the pyrolysis cylinder (32) facing away from the screening cylinder (33) is equipped with a second auger shaft (31), the second auger shaft (31) passes through the pyrolysis cylinder (32) and the screening cylinder (33) in sequence, and the end of the screening cylinder (33) facing away from the second auger shaft (31) extends out of the box (11) and is fixedly connected to a slag discharge port (34).

5. A continuous manganese ore pyrolysis reactor according to claim 4, characterized in that: A feed hole is provided at the top of the pyrolysis cylinder (32), and the feed hole is connected to the preheating cylinder (24) through the discharge pipe (25). A heating coil (35) is provided inside the pyrolysis cylinder (32), and the heating coil (35) heats the manganese ore in the inner cavity of the pyrolysis cylinder (32).

6. A continuous manganese ore pyrolysis reactor according to claim 4, characterized in that: The cleaning assembly (4) comprises an inner gear ring (41), the inner wall of the inner gear ring (41) is meshingly connected with a driving gear (44), the first auger shaft (21) drives the driving gear (44) to rotate, the side wall of the inner gear ring (41) is fixedly connected with a brush plate (43), and the brush plate (43) is fixedly connected with a metal brush (42) on a side close to the screening barrel (33).

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