Preheating and heat preservation type sinter material conveying device

Abstract

The utility model discloses a preheating and heat preservation type sinter material conveying device, which relates to the technical field of sintering equipment and comprises a preheating chamber, an apron conveying belt and a heat preservation mechanism. The preheating chamber is arranged on the outer side of the heat preservation mechanism, and the apron conveying belt runs in the heat preservation mechanism. The heat preservation mechanism comprises a heat preservation cavity, a heat preservation chamber and a hot air device, and the hot air device is communicated with a cavity of the heat preservation chamber. A plurality of heating plates are arranged in the preheating chamber, blanking channels are formed among the heating plates, material homogenizing plates are arranged below the preheating chamber, and a material homogenizing chamber is formed between every two adjacent material homogenizing plates. An outlet of the hot air device is connected with a hot air opening of the heat preservation chamber, an inlet of the hot air device is connected with the air blower and an air outlet of the heat preservation chamber, and the air outlet is formed above the hot air opening. By the adoption of the structure, the problems that an existing device is difficult to preheat sinter and material measuring is difficult to control are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sintering equipment, in particular to a preheating and heat-insulating type sintering mineral material conveying device. Background Art

[0002] In sintering production, the temperature of the sintering mixture is directly related to the production quality and fuel consumption of the sintered ore. Increasing the temperature of the sintering mixture can reduce the solid fuel consumption of the sintered ore, improve the permeability of the sintering material layer, and reduce the production cost of the sintered ore. Especially for steel companies in the north, the temperature is lower in winter, the requirements for the temperature of the sintering mixture are higher, and the impact of the over-wet zone of the material layer is also greater, and it is more necessary to increase the temperature of the mixture above the dew point temperature. In the traditional sintering process, the thickness of the material layer in the mixture will also affect the output and quality of the sintered ore, and will also make the sintering energy consumption relatively high.

[0003] Therefore, it is necessary to provide a preheating and heat-insulating sintering mineral material conveying device to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a preheating and heat-insulating sintered mineral material conveying device, which solves the problems that the existing device is difficult to preheat the sintered ore and difficult to control the amount of material.

[0005] To achieve the above-mentioned purpose, the utility model provides a preheating and heat-insulating sintering mineral material conveying device, comprising a preheating chamber, a scale conveyor belt and a heat-insulating mechanism; the preheating chamber is arranged outside the heat-insulating mechanism, and the scale conveyor belt runs inside the heat-insulating mechanism; the heat-insulating mechanism comprises a heat-insulating cavity, a heat-insulating chamber and a hot air device, and the hot air device is connected to the cavity of the heat-insulating chamber.

[0006] Preferably, a plurality of heating plates are arranged in the preheating chamber, a material discharge channel is formed between the heating plates, a material equalizing plate is arranged below the preheating chamber, the material equalizing plate is plugged onto the rotating shaft, and a material equalizing chamber is formed between adjacent material equalizing plates.

[0007] Preferably, the scale conveyor belt is rotated by a transmission shaft, and the scale conveyor belt includes a straight section and an inclined feeding section. The straight section of the scale conveyor belt is arranged in the insulation chamber, and the inclined feeding section of the scale conveyor belt is arranged in the insulation chamber.

[0008] Preferably, the insulation cavity is filled with heat-resistant insulation filler.

[0009] Preferably, the hot air device is connected to a blower, the outlet of the hot air device is connected to the hot air outlet of the insulation chamber, the inlet of the hot air device is respectively connected to the blower and the air outlet of the insulation chamber, and the air outlet is arranged above the hot air outlet.

[0010] Therefore, the utility model adopts the above-mentioned preheating and heat preservation type sintering mineral material conveying device, which has the following beneficial effects:

[0011] (1) The utility model preheats and insulates the sintered ore in advance by means of the heating plate and the insulation chamber, which helps to improve the air permeability of the sintered material layer and can reduce the production cost of the sintered ore;

[0012] (2) The use of the material balancing plate of the utility model can control the material measurement, thereby ensuring its accuracy, controlling the thickness of the material layer, and reducing the sintering energy consumption.

[0013] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a preheating and heat preservation type sintering mineral material conveying device of the utility model;

[0015] Reference numerals:

[0016] 1. Preheating chamber; 2. Heating plate; 3. Material distribution plate; 4. Material distribution chamber; 5. Insulation chamber; 6. Transmission shaft; 7. Scale plate conveyor belt; 8. Insulation chamber; 9. Air outlet; 10. Hot air outlet; 11. Hot air device; 12. Blower. DETAILED DESCRIPTION

[0017] The technical solution of the utility model is further described below through the accompanying drawings and embodiments.

[0018] Unless otherwise defined, technical or scientific terms used in the present invention should have the common meanings understood by persons having ordinary skills in the field to which the present invention belongs.

[0019] The words "include" or "comprises" and the like used in the present invention mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of also including other elements. The orientation or position relationship indicated by the terms "inside", "outside", "upper", "lower", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. When the absolute position of the described object changes, the relative position relationship may also change accordingly. In the present invention, unless otherwise clearly specified and limited, the terms "attachment" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral body; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0020] As attached Figure 1 As shown, the utility model discloses that the utility model provides a preheating and heat-insulating sintering mineral material conveying device, including a preheating chamber 1, a scale conveyor belt 7 and a heat-insulating mechanism; the preheating chamber 1 is arranged outside the heat-insulating mechanism, and the scale conveyor belt 7 runs inside the heat-insulating mechanism; the heat-insulating mechanism includes a heat-insulating cavity 5, a heat-insulating chamber 8 and a hot air device 11, and the hot air device 11 is connected to the cavity of the heat-insulating chamber 8.

[0021] A plurality of heating plates 2 are arranged in the preheating chamber 1. After entering the preheating chamber 1, the sintered ore passes through the heating plates 2 to be fully contacted with the heating plates 2 for preheating, and then enters the equalizing chamber 4 formed by the equalizing plate 3 arranged below the preheating chamber 1 through the material discharge channel formed between the heating plates 2. The weight of the sintered ore in different equalizing chambers 4 is the same, which has a good material measuring effect. Driven by the rotating shaft, the equalizing plate 3 drives the sintered ore to move downward.

[0022] The scale conveyor belt 7 is rotated by the transmission shaft 6. The scale conveyor belt 7 is heat-resistant. The scale conveyor belt 7 includes a straight section and an inclined feeding section. The straight section of the scale conveyor belt 7 is arranged in the insulation chamber 5, and the inclined feeding section of the scale conveyor belt 7 is arranged in the insulation chamber 8.

[0023] The heat-insulating cavity 5 is filled with heat-resistant heat-insulating filler, which can provide good heat-insulating effect for the sintered ore entering the scale conveyor belt 7 for the first time.

[0024] The hot air device 11 is connected to a blower 12, the outlet of the hot air device 11 is connected to the hot air port 9 of the insulation chamber 8, the inlet of the hot air device 11 is respectively connected to the blower 12 and the air outlet 10 of the insulation chamber 8, the air outlet 10 is arranged above the hot air port 9, the hot air is relatively light, and has an insulation effect on the sintered ore during the upward movement, and when it reaches the upper air outlet 10, the temperature drops and re-enters the hot air device 11 for heating.

[0025] During the specific implementation process, the sintered ore enters the preheating chamber 1, passes through the heating plate 2, is fully contacted with the heating plate 2 for preheating, enters the material equalizing chamber 4 for measuring, and then, driven by the scale conveyor belt 7, passes through the insulation chamber 5 and the insulation chamber 8. The hot air in the insulation chamber 5 and the insulation chamber 8 insulates the sintered ore, and then enters the sintering stage under the inclination of the scale conveyor belt 7.

[0026] Therefore, the utility model adopts the above-mentioned preheating and heat-insulating sintered mineral material conveying device to solve the problems of difficulty in preheating sintered ore and difficulty in controlling the amount of material faced by the existing device.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that they can still modify or replace the technical solution of the utility model with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the utility model.

Claims

1. A preheating and heat preservation type sintering mineral material conveying device, characterized in that: It includes a preheating chamber, a scale plate conveyor belt and a heat preservation mechanism; the preheating chamber is arranged outside the heat preservation mechanism, and the scale plate conveyor belt runs inside the heat preservation mechanism; the heat preservation mechanism includes a heat preservation cavity, a heat preservation chamber and a hot air device, and the hot air device is connected to the cavity of the heat preservation chamber.

2. A preheating and heat preservation type sintering mineral material conveying device according to claim 1, characterized in that: A plurality of heating plates are arranged in the preheating chamber, a material discharge channel is formed between the heating plates, a material equalizing plate is arranged below the preheating chamber, the material equalizing plate is plugged onto the rotating shaft, and a material equalizing chamber is formed between adjacent material equalizing plates.

3. A preheating and heat preservation type sintering mineral material conveying device according to claim 1, characterized in that: The scale plate conveyor belt is rotated by a transmission shaft, and the scale plate conveyor belt includes a straight section and an inclined feeding section. The straight section of the scale plate conveyor belt is arranged in the heat preservation chamber, and the inclined feeding section of the scale plate conveyor belt is arranged in the heat preservation chamber.

4. A preheating and heat preservation type sintering mineral material conveying device according to claim 3, characterized in that: The heat-insulating cavity is filled with heat-resistant heat-insulating filler.

5. The preheating and heat preservation type sintering mineral material conveying device according to claim 1 is characterized in that: The hot air device is connected to a blower, the outlet of the hot air device is connected to the hot air outlet of the insulation chamber, the inlet of the hot air device is respectively connected to the blower and the air outlet of the insulation chamber, and the air outlet is arranged above the hot air outlet.

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