System for uniformly sintering in transverse region

Abstract

The utility model discloses a system for uniformly sintering in a transverse area. The system comprises a sintering machine, a sintering stock bin, a multi-section type blanking adjusting auxiliary door, a machine tail section temperature detection device and an ignition furnace. By arranging the tail section temperature detection device to cooperate with the multi-section blanking adjusting auxiliary door, the sintering industry and mining of the section of the tail material layer of the sintering machine can be monitored and fed back in real time, so that a basis is provided for differential material distribution of the multi-section blanking auxiliary door, the fluctuation of the transverse sintering rate of the sintering material layer is reduced or even eliminated, and the quality of sintered ore is improved. Therefore, fluctuation of the transverse sintering rate of the sinter bed is reduced or even eliminated, and the sinter quality is improved. In addition, the device has the advantages of being simple in structure, high in adjusting precision and flexibility, low in equipment investment cost, high in practicability and the like, and has the good prospect of large-scale popularization and application.

Description

Technical Field

[0001] The utility model relates to a sintering system, in particular to a system for uniform sintering in a transverse region, and belongs to the technical field of steel sintering equipment. Background Art

[0002] Sintered ore is one of the main raw materials for my country's blast furnace ironmaking process, accounting for about 80% of the iron-containing charge. The production process of sintered ore includes batching, water mixing and granulation, distribution, ventilation ignition and sintering, crushing, cooling, screening and granulation. During the sintering process, the sintered mixture is roasted from top to bottom under the ventilation of the sintering trolley bellows to form porous sintered ore. Since it directly affects the subsequent blast furnace ironmaking operation, the output and quality of sintered ore need to be strictly controlled. In sintering production, controlling the sintering end point has an important impact on the output and quality of sintered ore.

[0003] In order to maximize production and optimize quality, the sintering endpoint is usually controlled at the position of the penultimate bellows on the sintering trolley during production. At this time, the bottom of the sintering combustion zone just reaches the bottom of the mixed material layer and touches the bottom material. When the sintering trolley runs to the tail unloading position, a thin layer of red fire layer that is about to disappear can be seen at the bottom of the trolley in the tail section. Theoretically, when the sintering endpoint is reached, the sintering zone presents a straight line parallel to the bottom of the trolley, and the red fire layer at the sintering unloading section is also a straight line close to the grate at the bottom of the trolley, which can maximize the stability of the sintering machine operation. However, in actual production, due to the uneven material compactness and air permeability of each unit area in the lateral direction of the sintering material layer, it is difficult to keep the sintering endpoint of each unit area consistent. When sintering reaches the set end point, some unit areas have been over-burned and are in a cooling state. When overburning occurs at the end of sintering, since the air permeability of sintered ore is better than that of the sintering material layer and the combustion zone, a large amount of wind that should have passed through the sintering material layer and the combustion zone will pass through the overburning area instead, thereby affecting the sintering process in the adjacent area, which has an adverse effect on the output and quality of sintered ore. In the actual production of sintered ore, workers often judge the uniformity of horizontal burn-through and whether overburning or underburning occurs based on the temperature distribution of the wind box near the burn-through point at the tail of the sintering machine, and manually adjust the auxiliary door of the material distribution system based on experience to control the amount of material discharged and the thickness of the material layer on the sintering material surface. This is time-consuming and labor-intensive, and the adjustment accuracy is low, making it difficult to control overburning at the end of sintering. Utility Model Content

[0004] In view of the problem in the prior art that the existing sintering equipment has poor sintering uniformity in the transverse direction, resulting in over-burning or under-burning, which in turn has an adverse effect on the output and quality of the sintered ore, the utility model provides a system for uniform sintering in the transverse area. By arranging a tail section temperature detection device in conjunction with a multi-stage unloading auxiliary door, the sintering process of the tail material layer section of the sintering machine can be monitored and fed back in real time, thereby providing a basis for the differential distribution of the multi-stage unloading auxiliary door, thereby reducing or even eliminating the fluctuation of the transverse sintering rate of the sintering material layer, and improving the quality of the sintered ore.

[0005] In order to achieve the above technical objectives, the technical solutions adopted by the present utility model are specifically described as follows:

[0006] A system for uniform sintering in a transverse region, the system comprising a sintering machine, a sintering silo, a material discharge adjustment auxiliary door, a tail section temperature detection device and an ignition furnace. The sintering silo is arranged above the head of the sintering machine. The material discharge adjustment auxiliary door is arranged at the bottom discharge port of the sintering silo. The tail section temperature detection device is arranged at the rear side of the tail of the sintering machine (referring to the horizontal rear side of the logistics direction). The ignition furnace is arranged on the sintering machine and close to one side of the head.

[0007] The auxiliary door for material unloading adjustment is a multi-stage auxiliary door for material unloading, including a plurality of material unloading baffles arranged side by side along the width direction of the sintering machine (referring to the horizontal direction perpendicular to the direction of the material in the horizontal plane), and each material unloading baffle is equipped with an independent opening adjustment drive switch. Preferably, all the opening adjustment drive switches are independently electrically connected to the tail section temperature detection device (including but not limited to wired connection or wireless connection).

[0008] Preferably, the system further comprises a material surface leveling device, and the material surface leveling device is arranged on the sintering machine between the sintering material bin and the ignition furnace.

[0009] Preferably, the material surface leveling device is a material surface leveling roller.

[0010] Preferably, the system further comprises a flat material flow baffle. The flat material flow baffle is arranged at the front end of the material surface leveling device through a transverse (referring to the width direction of the sintering machine) support frame and is perpendicular to the sintering material surface. The front end of the flat material flow baffle faces the head direction of the sintering machine, and the rear end thereof extends backward along the length direction of the sintering machine (referring to the horizontal direction of the material flow) to the front end of the material surface leveling device. A plurality of flat material flow baffles are arranged in parallel in the width direction of the sintering material surface (i.e. the width direction of the sintering machine).

[0011] Preferably, the length of the flat material flow baffle is 0.3 to 3 m, preferably 0.5 to 2 m.

[0012] Preferably, the front end of the flat material flow baffle is designed as a knife-edge protruding forward.

[0013] Preferably, in the vertical direction, the front end of the flat material flow baffle is designed as an arc-edge type or an oblique-edge type.

[0014] Preferably, the thickness of the flat material flow baffle increases gradually from the front end to the rear end, and the maximum thickness does not exceed 30 mm, preferably 5 to 20 mm.

[0015] Preferably, the lower end of the flat material flow baffle is lower than the lower end of the material surface leveling device.

[0016] Preferably, the lower end of the flat material flow baffle is 1 to 100 mm lower than the lower end of the material surface leveling device, and preferably 10 to 60 mm lower.

[0017] Preferably, in the width direction of the sintering machine, a plurality of flat material flow baffles divide the sintering material surface into a plurality of material surface units. The width of any material surface unit is 3 to 80 cm, preferably 5 to 50 cm, and more preferably 8 to 30 cm.

[0018] Preferably, the protrusion height of any flat material flow baffle above the sintering material layer is not less than 5 cm, preferably 8 to 50 cm, more preferably 10 to 30 cm.

[0019] Preferably, the horizontal spacing between the rear end of the flat material flow baffle and the front end of the material surface leveling device is 0 to 50 mm, preferably 0.3 to 30 mm, and more preferably 0.5 to 10 mm.

[0020] Preferably, according to the direction of the material, a material layer thickness fine control device is also provided on the sintering machine located upstream of the material surface leveling device, and the material layer thickness fine control device includes a transverse support and drive mechanism and a plurality of unit lifting plates. The plurality of unit lifting plates are arranged in parallel in the width direction of the sintering material surface through the transverse support and drive mechanism and span the entire sintering material surface. The transverse support and drive mechanism can independently control the lifting and lowering of any unit lifting plate.

[0021] Preferably, the lateral support and drive mechanism is electrically connected to the tail section temperature detection device.

[0022] Preferably, a feeding circular roller is provided at the bottom of the sintering silo, and the feeding circular roller is located below the feeding circular roller adjustment auxiliary door, the roller axis of the feeding circular roller extends along the width direction of the feeding circular roller adjustment auxiliary door, and the upper roller surface of the feeding circular roller is in contact with and connected to the lower end of the feeding circular roller adjustment auxiliary door.

[0023] Preferably, the system further comprises a distributor, which is arranged between the sintering machine and the unloading roller and is located directly below the unloading roller.

[0024] Preferably, the distributor is a multi-roller distributor.

[0025] In the utility model, a tail section temperature detection device is arranged on the horizontal rear side of the tail of the sintering machine. The tail section temperature detection device takes a thermal imaging image of the section of the material layer at the tail and divides it into a plurality of sintering zones. By judging whether each sintering zone has a specific temperature range and the amplitude from the preset threshold temperature, it judges whether the actual sintering end point of the current sintering zone is over-burned or under-burned. Then, the specific sintering actual data is summarized and analyzed and then fed back to the multi-stage material discharge adjustment auxiliary door to control the material discharge amount of the material layer corresponding to different sintering zones. In this way, the sintering speed or sintering time is regulated so that the actual sintering end point position of each sintering zone is reasonably stabilized at the preset sintering end point position, thereby improving the quality of sintered ore. It should be noted that the division of multiple sintering zones corresponds to the number of unloading baffles of the multi-stage unloading auxiliary door. That is to say, in the width direction of the sintering material surface, the multi-stage unloading auxiliary door has the same number of unloading baffles as the sintering material surface is divided into. This division of sintering zones is a virtual division for the convenience of adjustment and description. In fact, the sintering material layer is always an undivided whole.

[0026] In the utility model, the auxiliary door for material unloading and adjustment is composed of several auxiliary doors, each of which is equipped with an independent driving device to move the auxiliary door upward or downward to increase or decrease the unloading amount of the mixture at the corresponding position. When the tail section temperature detection device determines that there is overburning in a certain area in the transverse direction of the sintering end point and issues a quantitative control instruction, the auxiliary door for material unloading and adjustment can move the specific auxiliary door for material unloading at the corresponding position in the transverse direction upward or downward to increase or decrease the unloading amount of the sintering mixture, and the sintering mixture falls onto the sintering trolley through the multi-roller distributor to form a sintering material layer.

[0027] In the utility model, since the difference in the distribution of the sintering material surface in the width direction is adjusted only by the unloading auxiliary door, it is easy to cause the material surface to be uneven, which has an adverse effect on the sintering ignition, and is even easy to over-adjust and cause under-burning. Therefore, a material surface leveling device is also provided on the sintering machine between the sintering material bin and the ignition furnace, which is used to flatten the sintering material surface to avoid the negative impact of the decrease in sintering flatness on the sintering ignition effect. It should be noted that flattening the sintering material surface means compacting the sintering material downward so that the material layer thickness in the width direction of the sintering machine is consistent, but the quality of the sintering material in different sintering areas will be different.

[0028] In the utility model, by controlling the multi-stage material discharging auxiliary door, the material distribution is adjusted before the sintering mixture reaches the sintering trolley, thereby achieving uniform sintering of the sintering material layer. Since there is generally a multi-roller distribution device between the material distribution port and the material surface, the mixture will deviate from the expected position after falling on the material surface of the trolley. It is actually difficult to accurately control the difference in the distribution in the lateral direction of the trolley, which affects the control of uniform sintering of the material layer in the lateral direction of the trolley. Therefore, a material layer thickness fine control device is also provided on the sintering machine located upstream of the material surface leveling device. The material layer thickness fine control device is located above the sintering material layer after the multi-roller distributor, perpendicular to the forward direction of the sintering trolley, and consists of a lateral support and driving mechanism and a plurality of unit lifting plates. The unit lifting plate divides the sintering material surface into a plurality of areas in the horizontal direction, and corresponds to the multi-stage material discharging auxiliary door. Any unit lifting plate can rise and fall individually or in linkage. For example, when a specific unloading auxiliary door of the unloading adjustment auxiliary door moves upward to increase the unloading amount of the sintering mixture, the specific unit lifting plate at the corresponding position of the material layer thickness fine control device also rises to a certain extent, so that the sintering mixture passing through this position increases and the thickness increases, and the surrounding sintering materials are scraped to the rear by other unit lifting plates without changing the height, thereby increasing the thickness of the sintering material layer in the target area without affecting the state of the surrounding trend material layer, thereby improving the control accuracy. It should be noted that the structure for realizing the rise and fall of the unloading auxiliary door and the unit lifting plate belongs to the prior art, including but not limited to the combination of sliders and rails, the combination of gears and racks, etc.

[0029] In the utility model, a flat material flow baffle extending along the material running direction is vertically arranged on the sintering material surface between the material surface leveling device and the material layer thickness fine control device, the front end of the flat material flow baffle faces the head direction of the sintering machine, and the rear end thereof extends backward along the length direction of the sintering machine to the front end close to the material surface leveling device. A plurality of flat material flow baffles are arranged in parallel in the width direction of the sintering material surface. In actual working conditions, when the material surface processed by the material layer thickness fine control device is pressed downward by the material surface leveling device, the sintering material in the thicker sintering material surface area is easily squeezed to the areas with lower material layer thickness on both sides at the front side of the material surface leveling device, which is easy to change the actual material distribution amount of the sintering material layer in the width direction, which may have an adverse effect on the uniform sintering of the material layer. Therefore, by using a plurality of flat material flow baffles in the width direction of the sintering machine to divide the sintering material surface into a plurality of material surface units, it is possible to prevent the sintering material in the thicker area from flowing to both sides before being compacted by the material surface leveling device as much as possible. It should be noted that, under the premise of not affecting the forward movement of the sintering material along the length direction of the sintering machine, the more flat material flow baffles are set in the width direction of the sintering machine, that is, the smaller the width of a single material surface unit, the smaller the influence of the material surface leveling device on the change of the material layer feeding amount under pressure.

[0030] In the present invention, in order to reduce the impact of the flat material flow baffle itself on the material layer and causing the sintering material to scatter to both sides, the front end of the flat material flow baffle is a forward-protruding blade design (such as an arc blade design or an oblique blade design). Through the blade design, the incoming material can be easily cut and diverted, and the direct impact resistance on the material layer is small to avoid scattering to both sides. The maximum thickness of the flat material flow baffle (the thickness along the width direction of the sintering machine) should not be too large, otherwise it will easily cause a large change in the amount of sintering material in the area where it is located.

[0031] In the utility model, the flat material flow baffle has a certain height, and its lower end breaks downward into the material layer to a certain depth, and its upper end protrudes upward from the material surface to a certain height, so that the sintering material can be prevented from crossing the upper and lower edges of the flat material flow baffle and being squeezed to the two sides. In addition, since there is a small horizontal spacing between the rear end of the flat material flow baffle and the front end of the material surface leveling device, when the material surface leveling device is pressing the material, the material surface broken by the flat material flow baffle will be filled with materials from both sides under the pressure of the material surface leveling device, so that the sintering material surface after passing through the material surface leveling device is always a complete and flat material surface.

[0032] In the utility model, on the basis of using the tail section temperature detection device to identify whether the local transverse area of ​​the sintering end point is overburned and quantifying the degree of overburning, the auxiliary door of the sintering mixture discharge at the corresponding position of the overburned area is first adjusted to roughly adjust the discharge amount, and then the material layer thickness fine control device set behind the distributor is quantitatively controlled to accurately control the material layer thickness in the local area, and finally the flat material flow baffle and material surface leveling device set in front of the ignition furnace are used to flatten the sintering material surface and then ignite and sinter, and the control process is executed again after a sintering cycle. By using the coordinated operation of the entire set of device systems, the equivalent material layer thickness at the corresponding position of the transverse area of ​​the sintering end point is gradually and automatically increased appropriately, so that the sintering end point of this area is moved back and the overburning phenomenon is reduced. The control accuracy is high, the material surface is not affected, the ignition effect is guaranteed, and underburning caused by excessive adjustment is avoided.

[0033] Compared with the prior art, the beneficial technical effects of the utility model are as follows:

[0034] 1: The utility model is capable of real-time monitoring and feedback of the sintering process of the tail material layer section of the sintering machine by arranging a temperature detection device for the tail section and a multi-stage unloading auxiliary door, thereby increasing the actual thickness of the material layer at the corresponding position of the sintering transverse overburned area, while avoiding fluctuations in the thickness of the sintering material layer in the surrounding areas and positions; in addition, the synergistic effect of the material surface leveling device and the flat material flow baffle ensures that the sintering ignition effect is not affected by the change in the thickness of the sintering material layer in a specific area, thereby achieving the purpose of accurately adjusting the thickness of the sintering material layer at the corresponding position of the transverse overburned area at the sintering end point, thereby reducing or even eliminating the fluctuation of the transverse sintering rate of the sintering material layer, and improving the quality of the sintered ore.

[0035] 2: The utility model has a simple structure, high adjustment accuracy and flexibility, low equipment investment cost, strong practicality, and has excellent prospects for large-scale promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a simplified structural diagram of the system of the utility model.

[0037] Figure 2 It is a schematic diagram of the overall structure of the system of the utility model.

[0038] Figure 3 It is a side structural diagram of the auxiliary door for adjusting material discharge described in the utility model.

[0039] Figure 4 It is a top view of the structure of the flat material flow isolation baffle described in the utility model.

[0040] Figure 5 This is a side structural diagram of a device for finely controlling material layer thickness described in the utility model.

[0041] Figure numerals: 1: sintering machine; 2: sintering silo; 3: auxiliary door for material discharge adjustment; 301: material discharge baffle; 4: tail section temperature detection device; 5: ignition furnace; 6: material surface leveling device; 7: flat material flow baffle; 701: transverse support frame; 8: material layer thickness fine control device; 801: transverse support and drive mechanism; 802: unit lifting plate; 9: material discharge roller; 10: distributor. DETAILED DESCRIPTION

[0042] The technical solution of the utility model is illustrated below, and the scope of protection requested for the utility model includes but is not limited to the following embodiments.

[0043] A system for uniform sintering in a transverse region, the system comprising a sintering machine 1, a sintering bin 2, a material discharge adjustment auxiliary door 3, a tail section temperature detection device 4 and an ignition furnace 5. The sintering bin 2 is arranged above the head of the sintering machine 1. The material discharge adjustment auxiliary door 3 is arranged at the bottom discharge port of the sintering bin 2. The tail section temperature detection device 4 is arranged at the rear side of the tail of the sintering machine 1. The ignition furnace 5 is arranged on the sintering machine 1 and close to one side of the head.

[0044] The auxiliary door 3 for material unloading adjustment is a multi-stage auxiliary door for material unloading, including a plurality of material unloading baffles 301 arranged side by side along the width direction of the sintering machine 1, and each material unloading baffle 301 is equipped with an independent opening adjustment drive switch. Preferably, all the opening adjustment drive switches are independently electrically connected to the tail section temperature detection device 4.

[0045] Preferably, the system further comprises a material surface leveling device 6 , and the material surface leveling device 6 is arranged on the sintering machine 1 between the sintering silo 2 and the ignition furnace 5 .

[0046] Preferably, the material surface leveling device 6 is a material surface leveling roller.

[0047] Preferably, the system further comprises a flat material flow baffle 7. The flat material flow baffle 7 is arranged at the front end of the material surface leveling device 6 through a transverse support frame 701 and is perpendicular to the sintering material surface. The front end of the flat material flow baffle 7 faces the head direction of the sintering machine 1, and the rear end thereof extends backward along the length direction of the sintering machine 1 to the front end close to the material surface leveling device 6. A plurality of flat material flow baffles 7 are arranged in parallel in the width direction of the sintering material surface.

[0048] Preferably, the length of the flat material flow baffle 7 is 0.3 to 3 m, preferably 0.5 to 2 m.

[0049] Preferably, the front end of the flat material flow baffle 7 is designed as a knife-edge protruding forward.

[0050] Preferably, in the vertical direction, the front end of the flat material flow baffle 7 is designed as an arc-edge type or an oblique-edge type.

[0051] Preferably, the thickness of the flat material flow baffle 7 gradually increases from the front end to the rear end, and the maximum thickness does not exceed 30 mm, preferably 5 to 20 mm.

[0052] Preferably, the lower end of the flat material flow baffle 7 is lower than the lower end of the material surface leveling device 6 .

[0053] Preferably, the lower end of the flat material flow baffle 7 is 1 to 100 mm lower than the lower end of the material surface leveling device 6, and preferably 10 to 60 mm lower.

[0054] Preferably, in the width direction of the sintering machine 1, a plurality of flat material flow baffles 7 divide the sintering material surface into a plurality of material surface units. The width of any material surface unit is 3-80 cm, preferably 5-50 cm, and more preferably 8-30 cm.

[0055] Preferably, the protrusion height of any flat material flow baffle 7 above the sintering material layer is not less than 5 cm, preferably 8 to 50 cm, more preferably 10 to 30 cm.

[0056] Preferably, the horizontal spacing between the rear end of the flat material flow baffle 7 and the front end of the material surface leveling device 6 is 0 to 50 mm, preferably 0.3 to 30 mm, and more preferably 0.5 to 10 mm.

[0057] Preferably, according to the direction of the material, a material layer thickness fine control device 8 is further provided on the sintering machine 1 located upstream of the material surface leveling device 6, and the material layer thickness fine control device 8 includes a transverse support and driving mechanism 801 and a plurality of unit lifting plates 802. The plurality of unit lifting plates 802 are arranged in parallel in the width direction of the sintering material surface through the transverse support and driving mechanism 801 and span the entire sintering material surface. The transverse support and driving mechanism 801 can independently control the lifting and lowering of any unit lifting plate 802.

[0058] Preferably, the lateral support and drive mechanism 801 is electrically connected to the tail section temperature detection device 4 .

[0059] Preferably, a feeding circular roller 9 is also provided at the bottom of the sintering silo 2, and the feeding circular roller 9 is located below the feeding circular roller adjustment auxiliary door 3, and the roller axis of the feeding circular roller 9 extends along the width direction of the feeding circular roller adjustment auxiliary door 3, and the upper roller surface of the feeding circular roller 9 is in contact with and connected to the lower end of the feeding circular roller adjustment auxiliary door 3.

[0060] Preferably, the system further comprises a distributor 10 , which is arranged between the sintering machine 1 and the unloading roller 9 and is located directly below the unloading roller 9 .

[0061] Preferably, the distributor 10 is a multi-roller distributor.

[0062] Example 1

[0063] like Figure 1-5 As shown, a system for uniform sintering in a transverse region comprises a sintering machine 1, a sintering bin 2, a material discharge adjustment auxiliary door 3, a tail section temperature detection device 4 and an ignition furnace 5. The sintering bin 2 is arranged above the head of the sintering machine 1. The material discharge adjustment auxiliary door 3 is arranged at the bottom discharge port of the sintering bin 2. The tail section temperature detection device 4 is arranged at the rear side of the tail of the sintering machine 1. The ignition furnace 5 is arranged on the sintering machine 1 and close to the head side.

[0064] The auxiliary door 3 for material unloading adjustment is a multi-stage auxiliary door for material unloading, including a plurality of material unloading baffles 301 arranged side by side along the width direction of the sintering machine 1, and each material unloading baffle 301 is equipped with an independent opening adjustment drive switch. Preferably, all the opening adjustment drive switches are independently electrically connected to the tail section temperature detection device 4.

[0065] Example 2

[0066] The embodiment 1 is repeated, except that the system further comprises a material surface leveling device 6 , and the material surface leveling device 6 is arranged on the sintering machine 1 between the sintering material bin 2 and the ignition furnace 5 .

[0067] Example 3

[0068] Example 2 is repeated, except that the material surface leveling device 6 is a material surface leveling roller.

[0069] Example 4

[0070] Example 3 is repeated, except that the system further includes a flat material flow baffle 7. The flat material flow baffle 7 is arranged at the front end of the material surface leveling device 6 through a transverse support frame 701 and is perpendicular to the sintering material surface. The front end of the flat material flow baffle 7 faces the head direction of the sintering machine 1, and the rear end thereof extends backward along the length direction of the sintering machine 1 to the front end of the material surface leveling device 6. A plurality of flat material flow baffles 7 are arranged in parallel in the width direction of the sintering material surface.

[0071] Example 5

[0072] Example 4 was repeated except that the length of the flat material flow baffle 7 was 0.8 m.

[0073] Example 6

[0074] Example 4 was repeated except that the length of the flat material flow baffle 7 was 0.6 m.

[0075] Example 7

[0076] The embodiment 6 is repeated, except that the front end of the flat material flow baffle 7 is designed as a knife-edge protruding forward.

[0077] Example 8

[0078] The embodiment 7 is repeated, except that the front end of the flat material flow baffle 7 is designed as an arc-edge in the vertical direction.

[0079] Example 9

[0080] Example 8 is repeated, except that the thickness of the flat material flow baffle 7 gradually increases from its front end to its rear end, and its maximum thickness is 10 mm.

[0081] Example 10

[0082] Example 8 is repeated, except that the thickness of the flat material flow baffle 7 gradually increases from its front end to its rear end, and its maximum thickness is 8 mm.

[0083] Embodiment 11

[0084] Example 10 is repeated, except that the lower end of the flat material flow baffle 7 is lower than the lower end of the material surface leveling device 6.

[0085] Example 12

[0086] Example 11 is repeated, except that the lower end of the flat material flow baffle 7 is 12 mm lower than the lower end of the material surface leveling device 6.

[0087] Example 13

[0088] Example 11 is repeated, except that the lower end of the flat material flow baffle 7 is 17 mm lower than the lower end of the material surface leveling device 6.

[0089] Embodiment 14

[0090] Example 13 was repeated, except that a plurality of flat material flow baffles 7 were used to divide the sintering material surface into a plurality of material surface units in the width direction of the sintering machine 1. The width of any material surface unit was 15 cm.

[0091] Embodiment 15

[0092] Example 13 was repeated, except that a plurality of flat material flow baffles 7 were used to divide the sintering material surface into a plurality of material surface units in the width direction of the sintering machine 1. The width of any material surface unit was 25 cm.

[0093] Example 16

[0094] Example 15 was repeated, except that the protrusion height of any flat material flow baffle 7 above the sintering material layer was 15 cm.

[0095] Embodiment 17

[0096] Example 15 was repeated, except that the protrusion height of any flat material flow baffle 7 above the sintering material layer was 20 cm.

[0097] Embodiment 18

[0098] Example 17 is repeated, except that the horizontal spacing between the rear end of the flat material flow baffle 7 and the front end of the material surface leveling device 6 is 0.2 mm.

[0099] Embodiment 19

[0100] Example 17 is repeated, except that the horizontal spacing between the rear end of the flat material flow baffle 7 and the front end of the material surface leveling device 6 is 0.8 mm.

[0101] Embodiment 20

[0102] Example 19 is repeated, except that according to the direction of the material, a material layer thickness fine control device 8 is further provided on the sintering machine 1 located upstream of the material surface leveling device 6, and the material layer thickness fine control device 8 includes a transverse support and drive mechanism 801 and a plurality of unit lifting plates 802. The plurality of unit lifting plates 802 are arranged in parallel in the width direction of the sintering material surface through the transverse support and drive mechanism 801 and span the entire sintering material surface. The transverse support and drive mechanism 801 can independently control the lifting and lowering of any unit lifting plate 802.

[0103] Embodiment 21

[0104] Example 20 is repeated, except that the lateral support and drive mechanism 801 is electrically connected to the tail section temperature detection device 4.

[0105] Embodiment 22

[0106] Repeat Example 21, except that a feeding circular roller 9 is further provided at the bottom of the sintering silo 2, and the feeding circular roller 9 is located below the feeding circular roller adjustment auxiliary door 3, and the roller axis of the feeding circular roller 9 extends along the width direction of the feeding circular roller adjustment auxiliary door 3, and the upper roller surface of the feeding circular roller 9 is in contact with and connected to the lower end of the feeding circular roller adjustment auxiliary door 3.

[0107] Embodiment 23

[0108] Example 22 is repeated, except that the system further includes a distributor 10, which is arranged between the sintering machine 1 and the unloading roller 9 and is located directly below the unloading roller 9.

[0109] Embodiment 24

[0110] Example 23 is repeated, except that the distributor 10 is a multi-roller distributor.

Claims

1. A system for uniform sintering in a lateral region, characterized in that: The system comprises a sintering machine (1), a sintering material bin (2), a material discharge adjustment auxiliary door (3), a tail section temperature detection device (4) and an ignition furnace (5); the sintering material bin (2) is arranged above the head of the sintering machine (1); the material discharge adjustment auxiliary door (3) is arranged at the bottom discharge port of the sintering material bin (2); the tail section temperature detection device (4) is arranged at the rear side of the tail of the sintering machine (1); and the ignition furnace (5) is arranged on the sintering machine (1) and close to the head side. The material unloading adjustment auxiliary door (3) is a multi-stage material unloading auxiliary door, comprising a plurality of material unloading baffles (301) arranged side by side along the width direction of the sintering machine (1), and each material unloading baffle (301) is equipped with an independent opening adjustment drive switch.

2. The system according to claim 1, characterized in that: All the opening adjustment drive switches are independently electrically connected to the tail section temperature detection device (4).

3. The system according to claim 1, characterized in that: The system also includes a material surface leveling device (6), wherein the material surface leveling device (6) is arranged on the sintering machine (1) between the sintering material bin (2) and the ignition furnace (5).

4. The system according to claim 3, characterized in that: The material surface leveling device (6) is a material surface leveling roller.

5. The system according to claim 3, characterized in that: The system also includes a flat material flow baffle (7); the flat material flow baffle (7) is arranged at the front end of the material surface leveling device (6) through a transverse support frame (701) and is perpendicular to the sintering material surface; the front end of the flat material flow baffle (7) faces the head direction of the sintering machine (1), and the rear end extends backward along the length direction of the sintering machine (1) to the front end close to the material surface leveling device (6); and a plurality of flat material flow baffles (7) are arranged in parallel in the width direction of the sintering material surface.

6. The system according to claim 5, characterized in that: The length of the flat material flow isolation baffle (7) is 0.3 to 3 m.

7. The system according to claim 6, characterized in that: The length of the flat material flow isolation baffle (7) is 0.5 to 2 m.

8. The system according to claim 5, characterized in that: The front end of the flat material flow isolation baffle (7) is designed as a knife-edge protruding forward.

9. The system according to claim 8, characterized in that: In the vertical direction, the front end of the flat material flow isolation baffle (7) is designed in an arc-edge style or an oblique-edge style.

10. The system according to claim 8, characterized in that: The thickness of the flat material flow isolation baffle (7) gradually increases from the front end to the rear end, and the maximum thickness does not exceed 30 mm.

11. The system according to claim 8, characterized in that: The thickness of the flat material flow isolation baffle (7) is 5 to 20 mm.

12. The system according to claim 5, characterized in that: The lower end of the flat material flow isolation baffle (7) is lower than the lower end of the material surface leveling device (6).

13. The system according to claim 12, characterized in that: The lower end of the leveling material flow baffle (7) is 1 to 100 mm lower than the lower end of the material surface leveling device (6).

14. The system according to claim 13, characterized in that: The lower end of the leveling material flow isolation baffle (7) is 10 to 60 mm lower than the lower end of the material surface leveling device (6).

15. The system according to claim 5, characterized in that: In the width direction of the sintering machine (1), a plurality of flat material flow baffles (7) divide the sintering material surface into a plurality of material surface units; the width of any one of the material surface units is 3 to 80 cm.

16. The system according to claim 15, characterized in that: The width of any material surface unit is 5-50cm.

17. The system according to claim 16, characterized in that: The width of any material surface unit is 8 to 30 cm.

18. The system according to claim 15, characterized in that: The protrusion height of any flat material flow baffle (7) above the sintering material layer is not less than 5 cm; and / or The horizontal distance between the rear end of the leveling material flow baffle (7) and the front end of the material surface leveling device (6) is 0 to 50 mm.

19. The system according to claim 18, characterized in that: The protrusion height of any flat material flow baffle (7) above the sintering material layer is 8 to 50 cm; and / or The horizontal distance between the rear end of the flat material flow baffle (7) and the front end of the material surface leveling device (6) is 0.3 to 30 mm.

20. The system according to claim 19, characterized in that: The protrusion height of any flat material flow baffle (7) above the sintering material layer is 10 to 30 cm; and / or The horizontal distance between the rear end of the flat material flow baffle (7) and the front end of the material surface leveling device (6) is 0.5 to 10 mm.

21. The system according to any one of claims 1 to 20, characterized in that: According to the direction of the material, a material layer thickness fine control device (8) is also arranged on the sintering machine (1) located upstream of the material surface leveling device (6), and the material layer thickness fine control device (8) comprises a transverse support and driving mechanism (801) and a plurality of unit lifting plates (802); the plurality of unit lifting plates (802) are arranged in parallel in the width direction of the sintering material surface through the transverse support and driving mechanism (801) and span the entire sintering material surface; the transverse support and driving mechanism (801) can independently control the lifting and lowering of any unit lifting plate (802).

22. The system according to claim 21, characterized in that: The lateral support and drive mechanism (801) is electrically connected to the tail section temperature detection device (4).

23. The system according to claim 21, characterized in that: A material unloading roller (9) is also provided at the bottom of the sintering material bin (2). The material unloading roller (9) is located below the material unloading adjustment auxiliary door (3). The roller axis of the material unloading roller (9) extends along the width direction of the material unloading adjustment auxiliary door (3), and the upper roller surface of the material unloading roller (9) is in contact with and connected to the lower end of the material unloading adjustment auxiliary door (3).

24. The system according to claim 23, characterized in that: The system also includes a distributor (10), which is arranged between the sintering machine (1) and the unloading roller (9) and is located directly below the unloading roller (9).

25. The system according to claim 24, characterized in that: The distributor (10) is a multi-roller distributor.

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