Intelligent magnetic separation and crushing device for coal-based materials and using method of intelligent magnetic separation and crushing device

Abstract

The invention relates to a coal-based material intelligent magnetic separation crushing device and a using method thereof, and belongs to the technical field of coal treatment equipment. The device comprises a rack, a crushing device, a magnetic separation device and a belt conveying system, the belt conveying system and the magnetic separation device are arranged on the upper side of the rack, the crushing device is arranged on the upper side of the belt conveying system, and the belt conveying system penetrates through the magnetic separation device; the crushing device comprises a shell, spindles, crushing hammers, a feeding bin and a driving motor, the shell is hollow, the bottom of the shell is fixed to the belt conveying system, the feeding bin is arranged at the top of the shell, the spindles are arranged in the shell side by side, the crushing hammers are tightly arranged on the spindles, and one ends of the spindles are connected with the driving motor. Integrated treatment of crushing and magnetic separation of coal is achieved, the technological process is greatly simplified, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to an intelligent magnetic separation and crushing device for coal-based materials and a use method thereof, belonging to the technical field of coal processing equipment. Background Art

[0002] In the process of coal processing and utilization, coal contains a large amount of iron and other magnetic impurities, which not only reduce the purity of coal, but also affect the combustion efficiency of coal and the operating stability of equipment. If they are not separated, there will be many significant disadvantages and problems:

[0003] Increased equipment wear: During the transportation and crushing process, iron impurities in the coal will accelerate the wear of equipment parts, such as the chains of the scraper conveyor, the hammer head and screen plate of the crusher, etc., resulting in shortened equipment life and increased maintenance costs.

[0004] Environmental pollution: Magnetic metals in impurities may produce harmful emissions during the combustion process, causing environmental pollution. In addition, impurities may also affect the stability of the combustion process, leading to incomplete combustion and increased emissions.

[0005] Energy waste: When coal containing a large amount of impurities is burned, its combustion efficiency is low, resulting in energy waste, which not only increases the operating costs of the enterprise, but also reduces energy utilization efficiency.

[0006] Unstable product quality: The quality is difficult to guarantee, which affects the quality and stability of downstream products and further affects market competitiveness. Therefore, the present invention is proposed. Summary of the invention

[0007] In view of the deficiencies in the prior art, the present invention provides an intelligent magnetic separation and crushing device for coal-based materials, which realizes the integrated processing of coal crushing and magnetic separation, greatly simplifies the process flow and improves production efficiency.

[0008] The present invention also provides a method for using the above-mentioned coal-based material intelligent magnetic separation and crushing device.

[0009] The technical solution of the present invention is as follows:

[0010] An intelligent magnetic separation and crushing device for coal-based materials, comprising a frame, a crushing device, a magnetic separation device and a belt transmission system, wherein the belt transmission system and the magnetic separation device are arranged on the upper side of the frame, the crushing device is arranged on the upper side of the belt transmission system, and the belt transmission system passes through the magnetic separation device;

[0011] The crushing device includes a shell, a main shaft, a breaking hammer, a feed bin and a driving motor. The shell is hollow inside, the bottom of the shell is fixed to the belt transmission system, a feed bin is arranged on the top of the shell, several main shafts are arranged in parallel in the shell, multiple breaking hammers are closely arranged on the main shaft, and one end of the main shaft is connected to the driving motor.

[0012] Preferably according to the present invention, the magnetic separation device includes a separation shell, a magnetic pole plate and a magnetic force regulating device. A belt transmission system passes through the interior of the separation shell, a magnetic pole plate is arranged on the top of the separation shell, and a magnetic force regulating device is arranged on the outside of the separation shell.

[0013] According to the present invention, it is further preferred that at least one magnetic pole plate is provided, one end of the magnetic pole plate is slidingly set in a slide groove on one side of the separation shell by a roller, the other end of the magnetic pole plate is provided with teeth, the teeth are meshingly connected with a rack, the rack is slidably set in the slide groove on the other side of the separation shell, and a separation motor is provided on the separation shell, and the output shaft of the separation motor is meshed with one end of the rack through a gear, and the separation motor is used to drive the rack to move, thereby driving the magnetic pole plate to move, thereby adjusting the magnetic force range.

[0014] Preferably, according to the present invention, the magnetic force regulating device is an electromagnetic coil, and the magnetic field generated by the electromagnetic coil is used to enhance the magnetic field strength of the magnetic pole plate, and the enhancement amplitude is adjusted by adjusting the current of the electromagnetic coil.

[0015] Preferably according to the present invention, a high voltage generator is arranged outside the separation shell, and the high voltage generator is used to generate a high voltage electric field to assist in the separation or treatment of the magnetic particles.

[0016] Preferably according to the present invention, a magnetometer is arranged outside the separation shell to monitor the magnetic field strength.

[0017] Preferably, according to the present invention, a belt transmission system is supported on the upper side of the frame by a hydraulic spring, and the height of the belt transmission system is adjusted by adjusting the compression degree of the hydraulic spring, thereby adjusting the adsorption effect of the magnetic pole plate.

[0018] The method for using the above-mentioned coal-based material intelligent magnetic separation and crushing device comprises the following steps:

[0019] (1) Coal enters the crushing device, is crushed by the crushing hammer and falls into the belt transmission system, and then enters the magnetic separation device under the drive of the belt transmission system;

[0020] (2) When the coal passes through the magnetic pole plate, the magnetic field generated by the electromagnetic coil works together with the magnetic pole plate to adsorb the magnetic particles on the magnetic pole plate. If the amount of coal increases or too many magnetic particles are adsorbed, resulting in a weakened magnetic field, the current of the electromagnetic coil increases to enhance the magnetic field strength and improve the adsorption effect.

[0021] (3) After the entire batch of materials passes through the magnetic separation device, the electromagnetic coil is powered off, the magnetic field strength is weakened, the adsorbed magnetic particles are removed, and the device enters the standby state.

[0022] The beneficial effects of the present invention are:

[0023] 1. The present invention realizes the integrated processing of coal crushing and magnetic separation, can quickly and accurately remove impurities in coal, improves the purity and quality of coal, greatly simplifies the process flow, and improves production efficiency.

[0024] 2. The present invention can effectively remove iron and other magnetic impurities in coal, reduce the generation of harmful emissions, and reduce environmental pollution. At the same time, pure coal can be burned more fully during the combustion process, further reducing the generation of emissions.

[0025] 3. The present invention reduces the wear of equipment parts, prolongs the service life of the equipment and reduces maintenance costs by removing impurities in the coal.

[0026] 4. The coal after magnetic separation of the present invention has high purity and uniform particle size, and the quality and stability of downstream products are significantly improved, thereby enhancing market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the present invention;

[0028] Figure 2 It is a schematic structural diagram of the magnetic separation device of the present invention;

[0029] Figure 3 It is a schematic top view of the crushing device of the present invention;

[0030] Figure 4 It is a schematic diagram of the installation of the hydraulic spring of the present invention;

[0031] Figure 5 It is a schematic diagram of the structure of the electromagnetic coil of the present invention;

[0032] Among them: 1. Frame; 2. Crushing device; 3. Magnetic separation device; 4. Belt transmission system; 5. Hydraulic spring;

[0033] 21. Shell; 22. Spindle; 23. Breaker; 24. Feed bin;

[0034] 31. Separation housing; 32. Magnetic pole plate; 33. Magnetic force regulating device; 34. High voltage generator; 35. Separation motor. DETAILED DESCRIPTION

[0035] The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings, but is not limited thereto.

[0036] Embodiment 1:

[0037] like Figure 1-5 As shown, this embodiment provides an intelligent magnetic separation and crushing device for coal-based materials, comprising a frame 1, a crushing device 2, a magnetic separation device 3 and a belt transmission system 4, wherein the belt transmission system 4 and the magnetic separation device 3 are arranged on the upper side of the frame 1, the crushing device 2 is arranged on the upper side of the belt transmission system 4, and the belt transmission system 4 passes through the magnetic separation device 3;

[0038] The crushing device 2 includes a shell 21, a main shaft 22, a breaker 23, a feed bin 24 and a drive motor. The shell 21 is hollow inside, the bottom of the shell 21 is fixed to the belt transmission system 4, a feed bin 24 is arranged on the top of the shell 21, a plurality of main shafts 22 are arranged in parallel in the shell 21, a plurality of breaker hammers 23 are closely arranged on the main shaft 22, and a drive motor is connected to one end of the main shaft 22.

[0039] The magnetic separation device 3 includes a separation shell 31 , a magnetic pole plate 32 and a magnetic force regulating device 33 . The belt transmission system 4 passes through the interior of the separation shell 31 . The magnetic pole plate 32 is arranged on the top of the separation shell 31 . The magnetic force regulating device 33 is arranged on the outside of the separation shell 31 .

[0040] There are two magnetic pole plates 32, one end of which is slidingly set in the slide groove on one side of the separation shell 31 through a roller, and the other end of the magnetic pole plate 32 is provided with teeth, which are meshed with a rack, and the rack is slidably set in the slide groove on the other side of the separation shell. A separation motor 35 is provided on the separation shell 31, and the output shaft of the separation motor 35 is meshed with one end of the rack through a gear. The separation motor is used to drive the rack to move, and then drive the magnetic pole plate to move, thereby adjusting the magnetic force range.

[0041] The magnetic force regulating device 33 is an electromagnetic coil, which utilizes the magnetic field generated by the electromagnetic coil to enhance the magnetic field strength of the magnetic pole plate, and the enhancement amplitude is adjusted by adjusting the current of the electromagnetic coil.

[0042] A high voltage generator 34 is disposed outside the separation housing 31 , and is used to generate a high voltage electric field to assist in the separation or processing of magnetic particles.

[0043] A magnetometer is arranged outside the separation housing 31 to monitor the magnetic field strength.

[0044] The upper side of the frame 1 supports a belt transmission system 4 through a hydraulic spring 5. The height of the belt transmission system is adjusted by adjusting the compression degree of the hydraulic spring, thereby adjusting the adsorption effect of the magnetic pole plate.

[0045] The method for using the above-mentioned coal-based material intelligent magnetic separation and crushing device comprises the following steps:

[0046] (1) Coal enters the crushing device 2, is crushed by the crushing hammer 23, and falls into the belt conveyor system 4, and then enters the magnetic separation device 3 under the drive of the belt conveyor system;

[0047] (2) When the coal passes through the magnetic pole plate 32, the magnetic field generated by the electromagnetic coil and the magnetic pole plate 32 work together to adsorb the magnetic particles on the magnetic pole plate 32. If the amount of coal increases or too many magnetic particles are adsorbed, resulting in a weakened magnetic field strength, the electromagnetic coil current is increased to enhance the magnetic field strength and improve the adsorption effect;

[0048] (3) After the entire batch of materials passes through the magnetic separation device 3, the electromagnetic coil is powered off, the magnetic field strength is weakened, the adsorbed magnetic particles are removed, and the device enters a standby state.

[0049] The embodiments of the present invention are intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent magnetic separation and crushing device for coal-based materials, characterized in that: It includes a frame, a crushing device, a magnetic separation device and a belt transmission system, wherein the belt transmission system and the magnetic separation device are arranged on the upper side of the frame, the crushing device is arranged on the upper side of the belt transmission system, and the belt transmission system passes through the magnetic separation device; The crushing device includes a shell, a main shaft, a breaking hammer, a feed bin and a driving motor. The shell is hollow inside, the bottom of the shell is fixed to the belt transmission system, a feed bin is arranged on the top of the shell, several main shafts are arranged in parallel in the shell, multiple breaking hammers are closely arranged on the main shaft, and one end of the main shaft is connected to the driving motor.

2. The intelligent magnetic separation and crushing device for coal-based materials according to claim 1, characterized in that: The magnetic separation device includes a separation shell, a magnetic pole plate and a magnetic force regulating device. A belt transmission system passes through the interior of the separation shell, a magnetic pole plate is arranged on the top of the separation shell, and a magnetic force regulating device is arranged on the outside of the separation shell.

3. The intelligent magnetic separation and crushing device for coal-based materials according to claim 2, characterized in that: At least one magnetic pole plate is provided, one end of the magnetic pole plate is slidably arranged in a slide groove on one side of the separation shell through a roller, the other end of the magnetic pole plate is provided with teeth, the teeth are meshed and connected with a rack, the rack is slidably arranged in the slide groove on the other side of the separation shell, a separation motor is provided on the separation shell, and the output shaft of the separation motor is meshed with one end of the rack through a gear.

4. The intelligent magnetic separation and crushing device for coal-based materials according to claim 3, characterized in that: The magnetic force regulating device is an electromagnetic coil, which utilizes the magnetic field generated by the electromagnetic coil to enhance the magnetic field strength of the magnetic pole plate, and the enhancement amplitude is adjusted by adjusting the current of the electromagnetic coil.

5. The intelligent magnetic separation and crushing device for coal-based materials according to claim 2, characterized in that: A high voltage generator is arranged outside the separation shell, and the high voltage generator is used to generate a high voltage electric field to assist in the separation or processing of magnetic particles.

6. The intelligent magnetic separation and crushing device for coal-based materials according to claim 2, characterized in that: A magnetometer is arranged on the outside of the separation shell to monitor the magnetic field strength.

7. The intelligent magnetic separation and crushing device for coal-based materials according to claim 1, characterized in that: The upper side of the frame is supported by a belt transmission system via hydraulic springs.

8. The method for using the intelligent magnetic separation and crushing device for coal-based materials according to claim 4, characterized in that: Here are the steps: (1) Coal enters the crushing device, is crushed by the crushing hammer and falls into the belt transmission system, and then enters the magnetic separation device under the drive of the belt transmission system; (2) When the coal passes through the magnetic pole plate, the magnetic field generated by the electromagnetic coil works together with the magnetic pole plate to adsorb the magnetic particles on the magnetic pole plate. If the amount of coal increases or too many magnetic particles are adsorbed, resulting in a weakened magnetic field, the current of the electromagnetic coil increases to enhance the magnetic field strength and improve the adsorption effect. (3) After the entire batch of materials passes through the magnetic separation device, the electromagnetic coil is powered off, the magnetic field strength is weakened, the adsorbed magnetic particles are removed, and the device enters the standby state.

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