Raw material sintering device for powder lime production

Abstract

The utility model discloses a raw material sintering device for powder lime production, which belongs to the technical field of sintering equipment and comprises a sintering furnace, four groups of material guide plates are arranged in the sintering furnace from top to bottom, and the material guide plates are all obliquely arranged. According to the utility model, by designing a group of intercepting mechanisms consisting of the knobs, the main gears, the auxiliary gears, the screw rods, the guide rods, the screw blocks and the baffles, in the sintering process, the main gears are driven by the knobs to rotate, the main gears drive the two groups of screw rods to rotate through the two groups of auxiliary gears, and then the screw blocks drive the baffles to move under the action of threads and the guide rods; the gap between the baffle and the material guide plate can be adjusted, so that a material circulation channel is adjusted, the flow speed of the material is adjusted, incomplete sintering caused by limited sintering time is avoided, and the sintering effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sintering equipment, in particular to a raw material sintering device for producing powdered lime. Background Art

[0002] Sintering furnace is an important equipment for lime production. Due to different requirements for product performance, there are many types of sintering furnaces, mainly vertical furnaces, rotary furnaces, gas suspension roasting furnaces, etc. Among them, vertical furnaces are divided into vertical type, double tilt type, ring type, etc. At present, the most widely used in China is the vertical type. The lining of the vertical vertical lime furnace can be divided into preheating zone, calcining zone and cooling zone from top to bottom. Preheating zone: The temperature of the material is continuously increased in this area. The high-temperature hot air flow rising from the calcining zone heats the material, raising its temperature from room temperature to 800℃. Calcination zone: The air entering the furnace from the air inlet pipe rises to the calcining zone after being preheated in the cooling zone, and the coal is fully burned in this area. The heat released by the combustion raises the temperature of the material to 900-1080℃, and the calcium carbonate decomposes to generate calcium oxide and carbon dioxide. Cooling zone: As the unloading device rotates continuously, the material is continuously unloaded, and the lime in the calcining zone gradually descends under the action of gravity and enters the cooling zone. In the cooling zone, the outside air at room temperature enters the furnace through the air inlet pipe. Here, the air at room temperature exchanges heat with the high-temperature lime, causing the air temperature to rise to above 600°C.

[0003] Patent No. CN202122486035.9 discloses a material sintering furnace, which has a furnace body for heating with combustion gas and sintering materials in the furnace. The furnace body is provided with a material guide plate for conveying the material to be sintered from the furnace top to the furnace bottom, and a gas guide pipe for guiding the combustion gas from the furnace bottom to the furnace top. The furnace body has a furnace top, a sintering chamber and a furnace bottom. The furnace top is used for supplying materials and discharging combustion exhaust gas. The sintering chamber is used for heat exchange between materials and combustion gas to complete material sintering. The furnace bottom is used for supplying combustion gas and discharging materials after sintering. The sintering chamber is composed of stacked multi-layer sintering cylinders.

[0004] Although the above patent can improve the fluidity of the material during the sintering process during use, on the one hand, it makes the sintering degree of the material more uniform, and on the other hand, only a lower wind pressure can meet the sintering needs, which can significantly reduce energy consumption. However, during the material flow process, since the flow rate of the material cannot be adjusted, there is a situation where the material is not completely sintered due to limited sintering time, and a second re-sintering is required, resulting in poor sintering effect of the device. Therefore, a raw material sintering device for powder lime production is urgently needed to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a raw material sintering device for producing powder lime.

[0006] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0007] A raw material sintering device for producing powdered lime comprises a sintering furnace, wherein four groups of guide plates are arranged from top to bottom in the sintering furnace, wherein the guide plates are all inclined, wherein two groups of transmission boxes are symmetrically installed on the two side walls of the sintering furnace, wherein a main gear is installed in the middle of the transmission box, wherein a knob is connected to the main gear, wherein the transmission box is connected to the sintering furnace by screws, wherein the main gear is rotatably connected to the transmission box, wherein the knob passes through the transmission box and is fixedly connected to the main gear, wherein the surface of the knob is frosted and anti-slip, wherein the knob is Pair gears are connected to both sides of the main gear, a screw is placed on the guide plate, a guide rod is provided on one side of the screw, a screw block is sleeved on the screw and the guide rod, a baffle is provided at the bottom of the screw block, the pair gear is meshed with the main gear, one end of the screw is fixedly connected to the pair gear, and the other end of the screw is rotatably connected to the inner wall of the sintering furnace, two groups of pair gears are provided in a group of the transmission box, and the two groups of pair gears are connected to the screw at the upper end of the guide plate with the same inclination direction.

[0008] Preferably, the material guide plates are welded to the inner wall of the sintering furnace, and two adjacent groups of the material guide plates are arranged in opposite directions, that is, the material guide plates are arranged in an S shape in the sintering furnace.

[0009] Preferably, the guide rod is welded between the inner walls of the sintering furnace, the screw block is connected to the screw rod by threads, and the guide rod passes through the screw block.

[0010] Preferably, the baffle plate is connected to the screw block by screws, and the bottom surface of the baffle plate is an inclined surface, and the angle of the inclined surface is consistent with the inclination angle of the guide plate.

[0011] Preferably, a furnace top is formed at the upper end of the sintering furnace, and a furnace bottom is formed at the lower end of the sintering furnace.

[0012] Beneficial technical effects of the utility model:

[0013] The utility model designs a flow cut-off mechanism consisting of a knob, a main gear, a sub-gear, a screw, a guide rod, a screw block and a baffle. During the sintering process, the main gear is driven to rotate by the knob, and the main gear drives the two groups of screws to rotate through the two groups of sub-gears, and then the screw block drives the baffle to move under the action of the thread and the guide rod, so that the gap between the baffle and the guide plate can be adjusted, and then the flow channel of the material can be adjusted to adjust the flow rate, so as to avoid incomplete sintering due to limited sintering time and improve the sintering effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a structural schematic diagram of a preferred embodiment of a raw material sintering device for producing powdered lime according to the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of a sintering furnace in a preferred embodiment of a raw material sintering device for producing powdered lime according to the utility model;

[0016] Figure 3 It is a structural schematic diagram of a cut-off mechanism in a preferred embodiment of a raw material sintering device for powder lime production according to the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the internal structure of a transmission box in a preferred embodiment of a raw material sintering device for producing powdered lime.

[0018] The following are the descriptions of the reference numerals:

[0019] 1. Knob; 2. Transmission box; 3. Sintering furnace; 4. Furnace top; 5. Furnace bottom; 6. Guide plate; 7. Screw; 8. Screw block; 9. Baffle; 10. Guide rod; 11. Sub gear; 12. Main gear. DETAILED DESCRIPTION

[0020] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0021] like Figure 1-Figure 4 As shown, a raw material sintering device for powder lime production provided in this embodiment includes a sintering furnace 3, four groups of guide plates 6 are arranged from top to bottom in the sintering furnace 3, and the guide plates 6 are all inclined. Two groups of transmission boxes 2 are symmetrically installed on the two side walls of the sintering furnace 3, and a main gear 12 is installed in the middle of the transmission box 2. The main gear 12 is connected with a knob 1. The transmission box 2 and the sintering furnace 3 are connected by screws. The main gear 12 is rotatably connected to the transmission box 2. The knob 1 penetrates the transmission box 2 and is fixedly connected to the main gear 12. The surface of the knob 1 is frosted and anti-slip. The knob 1 can drive the main gear 12 to rotate. Pair gears 11 are connected to both sides of the gear 12, a screw 7 is placed on the guide plate 6, a guide rod 10 is provided on one side of the screw 7, a screw block 8 is sleeved on the screw 7 and the guide rod 10, a baffle 9 is provided at the bottom of the screw block 8, the pair gear 11 is meshed with the main gear 12, one end of the screw 7 is fixedly connected to the pair gear 11, and the other end of the screw 7 is rotatably connected to the inner wall of the sintering furnace 3, two sets of pair gears 11 are provided in a transmission box 2, and the two sets of pair gears 11 are connected to the screw 7 at the upper end of the guide plate 6 with the same inclination direction, and the main gear 12 drives the two sets of screws 7 to rotate through the pair gears 11.

[0022] The guide plates 6 are welded to the inner wall of the sintering furnace 3 , and two adjacent groups of guide plates 6 are arranged in opposite directions, that is, the guide plates 6 are arranged in an S shape in the sintering furnace 3 , and the guide plates 6 guide the material.

[0023] The guide rod 10 is welded between the inner walls of the sintering furnace 3 , the screw block 8 is connected to the screw rod 7 by threads, and the guide rod 10 passes through the screw block 8 . When the screw rod 7 rotates, the screw block 8 moves under the action of the threads and the guide rod 10 .

[0024] The baffle plate 9 is connected to the screw block 8 by screws. The bottom surface of the baffle plate 9 is an inclined surface and the angle of the inclined surface is consistent with the inclination angle of the guide plate 6. The screw block 8 drives the baffle plate 9 to move, and the gap between the baffle plate 9 and the guide plate 6 can be adjusted, thereby adjusting the flow channel of the material to adjust its flow rate to avoid incomplete sintering due to limited sintering time.

[0025] A furnace top 4 is formed at the upper end of the sintering furnace 3, and a furnace bottom 5 is formed at the lower end of the sintering furnace 3. The furnace top 4 is used for feeding materials and exhausting gas, and the furnace bottom 5 is used for supplying combustion gas and discharging sintered materials.

[0026] Working principle of the device: During the use of the device, the material is injected into the sintering furnace 3 through the furnace top 4 and moves under the action of the guide plate 6. During the movement, the material is sintered by the high temperature in the sintering furnace 3. During the sintering process, the main gear 12 is driven to rotate through the knob 1, and the main gear 12 drives the two sets of screws 7 to rotate through two sets of sub-gears 11. Then, the screw block 8 drives the baffle 9 to move under the action of the thread and the guide rod 10. The gap between the baffle 9 and the guide plate 6 can be adjusted, and then the flow channel of the material can be adjusted to adjust its flow rate, so as to avoid incomplete sintering due to limited sintering time and improve the sintering effect of the device.

[0027] The above are only further embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A raw material sintering device for powder lime production, characterized in that: The invention comprises a sintering furnace (3), wherein four groups of guide plates (6) are arranged from top to bottom in the sintering furnace (3), wherein the guide plates (6) are all inclined, wherein two groups of transmission boxes (2) are symmetrically installed on the two side walls of the sintering furnace (3), wherein a main gear (12) is installed in the middle of the transmission box (2), wherein a knob (1) is connected to the main gear (12), wherein both sides of the main gear (12) are connected to sub-gears (11), wherein the transmission box (2) is connected to the sintering furnace (3) by screws, wherein the main gear (12) is rotatably connected to the transmission box (2), wherein the knob (1) passes through the transmission box (2) and is fixedly connected to the main gear (12), wherein the surface of the knob (1) is frosted Anti-slip treatment, a screw (7) is placed on the guide plate (6), a guide rod (10) is arranged on one side of the screw (7), a screw block (8) is sleeved on the screw (7) and the guide rod (10), a baffle (9) is arranged at the bottom end of the screw block (8), the sub-gear (11) is meshed with the main gear (12), one end of the screw (7) is fixedly connected to the sub-gear (11), and the other end of the screw (7) is rotatably connected to the inner wall of the sintering furnace (3), two groups of sub-gears (11) are arranged in a group of the transmission box (2), and the two groups of sub-gears (11) are connected to the screw (7) at the upper end of the guide plate (6) with the same inclination direction.

2. A raw material sintering device for producing powdered lime according to claim 1, characterized in that: The guide plates (6) are welded to the inner wall of the sintering furnace (3), and two adjacent groups of guide plates (6) are arranged in opposite directions, that is, the guide plates (6) are arranged in an S shape in the sintering furnace (3).

3. A raw material sintering device for producing powdered lime according to claim 2, characterized in that: The guide rod (10) is welded between the inner walls of the sintering furnace (3), the screw block (8) is connected to the screw rod (7) via threads, and the guide rod (10) passes through the screw block (8).

4. A raw material sintering device for producing powdered lime according to claim 3, characterized in that: The baffle plate (9) is connected to the screw block (8) by means of screws. The bottom surface of the baffle plate (9) is an inclined surface, and the angle of the inclined surface is consistent with the inclination angle of the guide plate (6).

5. A raw material sintering device for producing powdered lime according to claim 4, characterized in that: The upper end of the sintering furnace (3) is formed with a furnace top (4), and the lower end of the sintering furnace (3) is formed with a furnace bottom (5).

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