Raw material pretreatment equipment for refractory brick production

Abstract

The utility model relates to the field of pretreatment equipment, in particular to raw material pretreatment equipment for refractory brick production, which comprises a support frame, clamping arms are arranged at the rear end of the support frame, a feed hopper is arranged between the clamping arms, limit frames are arranged in the middle of the support frame, and a screening box is rotatably mounted between the limit frames. A vibrating mechanism is arranged at the lower end of the screening box, two sets of limiting plates are arranged on the two sides of the inner wall of the screening box correspondingly, rotating adjusting mechanisms are arranged at the upper ends of the two sets of limiting plates correspondingly, bosses are arranged at the front ends of the surfaces of the two sides of the screening box correspondingly, and a spring is fixedly installed between each boss and the supporting frame. And the front surface of the screening box is provided with an upper discharge port and a lower discharge port which are staggered left and right. The screening device is provided with two groups of screening nets and screening plates with different sizes, so that the screening effect is effectively improved, and follow-up treatment on raw materials with different sizes is facilitated. And the screening net and the screening plate are convenient to disassemble by rotating the adjusting mechanism, so that operators can maintain and clean the equipment conveniently.

Description

Technical Field

[0001] The utility model belongs to the field of pretreatment equipment, and in particular relates to raw material pretreatment equipment for producing refractory bricks. Background Art

[0002] Refractory bricks are a kind of building material with high fire resistance, usually used in high temperature environment, such as industrial furnaces, kilns, combustion chambers, etc. Refractory bricks can maintain their physical and chemical properties at high temperatures to ensure the structural stability of equipment such as furnaces and kilns; Refractory bricks have low thermal conductivity, which can reduce heat loss and improve the efficiency of thermal energy utilization, while reducing the outer surface temperature of the furnace body to ensure the safety of operators. In some special process, corrosive media such as slag and flue gas may be involved. Refractory bricks can effectively resist the erosion of chemical substances and extend the service life of equipment. In the prior art, there are problems such as low production efficiency of refractory brick raw material screening, poor grading effect, inconvenient maintenance and easy clogging by raw materials. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings existing in the background technology, and a raw material pretreatment equipment for refractory brick production is proposed, including a support frame, a clamping arm is provided at the rear end of the support frame, a feed hopper is provided between the clamping arms, a limit frame is provided in the middle section of the support frame, a screening box is rotatably installed between the limit frames, a vibration mechanism is provided at the lower end of the screening box, two groups of limit plates are provided on both sides of the inner wall of the screening box, and the upper ends of the two groups of limit plates are provided with rotation adjustment mechanisms, bosses are provided on the front ends of the two side surfaces of the screening box, a spring is fixedly installed between each boss and the support frame, and the front surface of the screening box is provided with two upper and lower left and right offset discharge ports.

[0004] Preferably, rotating round rods are fixedly mounted on the outer surfaces of both sides of the screening box, and the rotating round rods are movably mounted inside the limiting frame.

[0005] Preferably, the vibration mechanism comprises a fixed platform fixedly mounted on the lower surface of the screening box, and a vibrator is fixedly mounted inside the fixed platform.

[0006] Preferably, the rotation adjustment mechanism includes limit plates fixedly mounted on both sides of the inner wall of the screening box, each limit plate is provided with a group of rotating rods at both ends of the inner side, and a knob block is rotatably mounted on the upper end of each rotating rod.

[0007] Preferably, a screening mesh is provided between the two limiting plates at the upper end, and a hole-type screening plate is provided between the two limiting plates at the lower end, and both are limited by a rotating adjustment mechanism.

[0008] Preferably, a through groove is provided at the bottom of the screening box, and the inner walls of the screening box are sloped on both sides of the through groove.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] 1. The utility model is provided with two groups of screening nets and screening plates of different sizes, which effectively improves the screening effect and facilitates the subsequent processing of raw materials of different sizes.

[0011] 2. The rotating adjustment mechanism inside the screening box of the utility model facilitates the disassembly of the screening net and the screening plate, making it convenient for operators to maintain and clean the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of a raw material pretreatment device for refractory brick production according to the utility model;

[0013] Figure 2 This is a schematic diagram of the screening box structure of a raw material pretreatment device for refractory brick production according to the utility model;

[0014] Figure 3 This is a cross-sectional view of a raw material pretreatment device for refractory brick production according to the utility model;

[0015] Figure 4 This is a schematic diagram of the structure of a limit plate of a raw material pretreatment device for refractory brick production according to the utility model;

[0016] Figure 5 The utility model is a schematic diagram of the support frame structure of raw material pretreatment equipment for refractory brick production.

[0017] Among them: 1. Support frame; 2. Feed hopper; 3. Clamping arm; 4. Limit frame; 5. Screening box; 6. Discharge port; 7. Boss; 8. Spring; 9. Rotating round rod; 10. Screening net; 11. Hole screening plate; 12. Limit plate; 13. Through slot; 14. Rotating rod; 15. Knob block; 16. Fixed table; 17. Vibrator. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] like Figure 1-Figure 5A raw material pretreatment equipment for refractory brick production is shown, including a support frame 1, a clamping arm 3 is provided at the rear end of the support frame 1, a feed hopper 2 is provided between the clamping arms 3, a limit frame 4 is provided in the middle section of the support frame 1, a screening box 5 is rotatably installed between the limit frames 4, a vibration mechanism is provided at the lower end of the screening box 5, two groups of limit plates 12 are provided on both sides of the inner wall of the screening box 5, and a rotation adjustment mechanism is provided at the upper ends of the two groups of limit plates 12, bosses 7 are provided on the front ends of the two side surfaces of the screening box 5, a spring 8 is fixedly installed between each boss 7 and the support frame 1, and the front surface of the screening box 5 is provided with two upper and lower left and right offset discharge ports 6.

[0020] like Figure 2 As shown, rotating round rods 9 are fixedly installed on the outer surfaces of both sides of the screening box 5, and the rotating round rods 9 are movably installed inside the limiting frame 4. The screening box 5 is fixedly installed on the supporting frame 1 through the rotating round rods 9 on the surfaces of both sides, and the downward pressure of the springs 8 on both sides is reduced while limiting.

[0021] like Figure 3 As shown, the vibration mechanism includes a fixed platform 16 fixedly installed on the lower surface of the screening box 5, and a vibrator 17 is fixedly installed inside the fixed platform 16. The vibrator 17 drives the screening box 5 to vibrate to perform screening operations.

[0022] like Figure 4 As shown, the rotation adjustment mechanism includes limit plates 12 fixedly installed on both sides of the inner wall of the screening box 5, and each limit plate 12 is provided with a group of rotating rods 14 at both ends of the inner side. A knob block 15 is rotatably installed on the upper end of each rotating rod 14. By rotating the rotating rod 14 and the knob block 15, it is convenient to fix and disassemble the screening net 10 and the hole-type screening plate 11.

[0023] A screening net 10 is provided between the two limiting plates 12 at the upper end, and a hole-type screening plate 11 is provided between the two limiting plates 12 at the lower end. Both are limited by a rotating adjustment mechanism. The arrangement of the two screening components effectively improves the screening and grading, and can grade the production raw materials of different particle sizes.

[0024] A through slot 13 is provided at the bottom of the screening box 5, and the inner walls of the screening box 5 are sloped on both sides of the through slot 13. The slopes are provided to slide the raw materials passing through the screening net 10 and the hole-type screening plate 11 into the through slot 13, making it convenient for operators to perform final raw material processing.

[0025] During use, the operator puts the raw materials for refractory brick production into the feed hopper 2, and the raw materials fall into the screening box 5 below the feed hopper 2, and starts the vibrator 17 fixedly installed at the lower end of the screening plate 5. Bosses 7 are provided on the surfaces of both sides of the screening box 5, and springs 8 are provided between the bosses 7 and the support frame 1 for buffering support. Two sets of upper and lower limit plates 12 are fixedly installed inside the screening box 5, wherein a screening net 10 is installed between the upper limit plates 12, and a hole-type screening plate 11 is installed between the lower limit plates 12 for secondary screening. The two screening parts are fixed and disassembled by a rotating adjustment mechanism installed above the limit plates 12, which is convenient for the operator to clean and repair the equipment later. Two staggered discharge ports 6 are provided at the upper and lower ends of the front surface of the screening box 5. The discharge ports 6 are connected to the limiting plate 12 to discharge the raw materials that have been graded and screened by the screening net 10 and the hole-type screening plate 11 respectively. A through groove 13 is provided on the lower surface of the inner wall of the screening box 5. The inner wall of the screening box 5 is sloped on both sides of the through groove 13, which is convenient for subsequent processing of the raw materials that have undergone secondary classification.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A raw material pretreatment device for refractory brick production, comprising a support frame (1), characterized in that: The support frame (1) is provided with a clamping arm (3) at the rear end, a feed hopper (2) is provided between the clamping arms (3), a limit frame (4) is provided in the middle section of the support frame (1), a screening box (5) is rotatably mounted between the limit frames (4), a vibration mechanism is provided at the lower end of the screening box (5), two groups of limit plates (12) are provided on both sides of the inner wall of the screening box (5), and a rotation adjustment mechanism is provided at the upper ends of the two groups of limit plates (12), bosses (7) are provided at the front ends of the two side surfaces of the screening box (5), a spring (8) is fixedly installed between each boss (7) and the support frame (1), and the front surface of the screening box (5) is provided with two upper and lower left and right offset discharge ports (6).

2. A raw material pretreatment equipment for refractory brick production according to claim 1, characterized in that: Rotating round rods (9) are fixedly mounted on the outer surfaces of both sides of the screening box (5), and the rotating round rods (9) are movably mounted inside the limiting frame (4).

3. The raw material pretreatment equipment for refractory brick production according to claim 1 is characterized in that: The vibration mechanism comprises a fixed platform (16) fixedly mounted on the lower surface of the screening box (5), and a vibrator (17) is fixedly mounted inside the fixed platform (16).

4. The raw material pretreatment equipment for refractory brick production according to claim 1 is characterized in that: The rotation adjustment mechanism comprises limit plates (12) fixedly mounted on both sides of the inner wall of the screening box (5), each limit plate (12) is provided with a group of rotating rods (14) at two opposite inner ends, and a knob block (15) is rotatably mounted on the upper end of each rotating rod (14).

5. The raw material pretreatment equipment for refractory brick production according to claim 1 is characterized in that: A screening net (10) is provided between the two limiting plates (12) at the upper end, and a hole-type screening plate (11) is provided between the two limiting plates (12) at the lower end, both of which are limited by a rotating adjustment mechanism.

6. The raw material pretreatment equipment for refractory brick production according to claim 1, characterized in that: A through slot (13) is provided at the bottom of the screening box (5), and the inner walls of the screening box (5) are sloped on both sides of the through slot (13).

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