Coking dry quenching double bifurcated chute device

Abstract

The utility model discloses a coking dry quenching double bifurcate chute device relates to dry quenching chute technical field has the chute body, and the chute body includes with the feed channel and with the feed channel bottom connection's double bifurcate discharge channel, and the export of each discharge channel is located above the conveyer belt, and the two discharge channels of double bifurcate discharge channel are set up in the " eight " character shape, and the top surface of the joint between two discharge channels upper portion is the plane platform setting, and the first wear plate is welded on the plane platform, the recess is set up to the inner wall of the discharge channel in the downside, and the second wear plate is set up in the recess, compared with prior art, the recess of the discharge channel setting of the utility model can form the coke buffer area, can make coke first accumulate in the recess in the process of discharging, form the uneven accumulation surface, and the coke of subsequent falling slides along the accumulation inclined plane, realize the effect of coke grinding coke, effectively alleviate the direct impact and friction of coke to the chute inner wall and wear plate, reduce the wear degree.

Description

Technical Field

[0001] This utility model relates to the field of dry quenching coke chute technology, and in particular to a coking dry quenching double-fork chute device. Background Technology

[0002] In dry quenching coke production, the double-forked chute in the coke discharge device of the dry quenching furnace plays a crucial role in conveying the cooled coke to the conveyor belt. Its operational stability directly affects the efficiency and safety of the entire dry quenching coke production line. In existing technology, the coke discharge chute is generally a trough-shaped structure welded from steel plates. One end is connected to the coke oven's discharge port, and the other end is a double-forked, inclined discharge channel aligned with the conveyor belt. The coke oven's vibrating feeder discharges the coke from the discharge port, and after passing through the coke discharge chute, it falls onto the conveyor belt and is transported away. The cross-section of the flap installation area at the junction of the double-forked discharge channels is a triangular apex. Although the inner wall of the chute is usually made of high-hardness, wear-resistant materials, such as chromium-26 cast iron lining plates, to cope with the impact and friction generated during coke discharge, the coke continuously generates high-intensity impact and friction on the inner wall of the chute during its fall and conveying process, resulting in rapid wear of the lining plates and the occurrence of leakage in a short period of time. When the liner leaks, the circulating gas in the dry quenching coke oven overflows along with coke, dust, and coke powder, causing serious environmental pollution and posing safety hazards due to gas leaks, threatening the safety of personnel and the operation of equipment on the production site. To solve the leakage problem, frequent shutdowns are required to repair or replace the liner. This process consumes significant manpower and material resources, interrupts production flow, severely impacts production continuity, and reduces production efficiency. Furthermore, the interior of the double-fork chute operates in a harsh environment of high temperature, high dust, and coke impact. Coupled with the high cost of wear-resistant liners, frequent liner replacements further increase production costs, placing a heavy burden on dry quenching coke production. The existing double-fork chute structure can no longer meet the demands for efficient, stable, and low-cost production. Utility Model Content

[0003] This invention provides a double-fork chute device for dry quenching coke production, which can solve the problems of frequent leakage and rapid wear of the lining plates in existing double-fork chute devices.

[0004] To solve the above problems, the technical solution adopted by this utility model is as follows: This coking dry quenching double-fork chute device has a chute body, which includes a feeding channel connected to the coke oven discharge port and a double-fork discharge channel connected to the bottom of the feeding channel. The outlet of each discharge channel is located above the conveyor belt. The two discharge channels of the double-fork discharge channel are arranged in a figure-eight shape. The top surface of the joint between the upper parts of the two discharge channels is a flat platform, and a first wear-resistant plate is welded on the flat platform. A groove is provided along the length direction on the inner wall of the lower side of the discharge channel, and a second wear-resistant plate is arranged in the groove.

[0005] In the above-mentioned technical solution of the coking dry quenching double-fork chute device, a more specific technical solution may be: the second wear-resistant plate is composed of wear-resistant plates attached to the bottom, both sides and the two end faces of the groove.

[0006] In some possible implementations, the two ends of the groove are connected to the discharge channel by welding.

[0007] In some possible implementations, the first wear-resistant plate and the second wear-resistant plate are made of high-hardness wear-resistant material, and the first wear-resistant plate is bonded to the planar platform by welding.

[0008] In some possible implementations, the groove is 7 cm deep and the width is the same as the width of the bottom plate.

[0009] In some possible implementations, the joints between the second wear-resistant plate at the bottom, sides, and end faces of the groove are sealed by welding.

[0010] In some possible implementations, the first wear-resistant plate and the second wear-resistant plate are made of chromium-26 cast iron lining.

[0011] By adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art: 1. Because this utility model provides grooves on the lower inner wall of each discharge channel, the coke buffer formed by the grooves allows the coke to accumulate in the grooves during the discharge process, forming an uneven accumulation surface. The coke that falls later slides down the accumulation slope, achieving the effect of coke grinding coke. This effectively reduces the direct impact and friction of coke on the inner wall of the chute and the wear-resistant plate, and significantly reduces the degree of wear.

[0012] 2. Because this utility model sets the top surface of the joint between the upper parts of the two discharge channels as a flat platform, the integration of planar design and wear-resistant mechanism avoids rapid wear caused by local stress concentration. The service life of the wear-resistant plate and the double-fork chute body is significantly extended, the risk of leakage is reduced, and the replacement frequency of the wear-resistant plate is reduced by more than 50%.

[0013] 3. The equipment maintenance cycle is extended to be synchronized with the annual overhaul, eliminating the need for frequent shutdowns for wear-resistant plate repair welding or replacement, reducing downtime by more than 100 hours per year, and significantly improving the production continuity and overall production efficiency of the dry quenching coke production line.

[0014] 4. It reduces the number of times wear-resistant plates need to be replaced, saving more than 300,000 yuan in material and labor maintenance costs annually. At the same time, it effectively prevents the leakage of dry quenching circulating gas caused by liner leakage, eliminating environmental pollution and safety hazards, and ensuring the safety of the production site. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Explanation of markings in the diagram: Feed channel 1, discharge channel 2, flat platform 3, first wear-resistant plate 4, groove 5, second wear-resistant plate 6, coke 7. Detailed Implementation

[0017] To make the above-mentioned objectives, features, and advantages of this utility model more readily understood, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model; however, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0018] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "fixation," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0019] like Figure 1The embodiment shown in this embodiment proposes a coking dry quenching double-fork chute device, which has a chute body. The chute body includes a feeding channel 1 connected to the coke oven grate and a double-fork discharge channel connected to the bottom of the feeding channel. The outlet of each discharge channel 2 is located above the conveyor belt. The two discharge channels of the double-fork discharge channel are arranged in a figure-eight shape. The top surface of the joint between the upper parts of the two discharge channels 2 is set as a flat platform 3. A first wear-resistant plate 4 is welded on the flat platform. The flat platform structure at the joint replaces the traditional triangular tip structure. Combined with the wear-resistant plate, it can effectively disperse the impact of coke, avoid local stress concentration, and reduce wear. A groove 5 is provided along the length of the inner wall of the discharge channel 2 on the lower side. A second wear-resistant plate 6 is provided in the groove. The second wear-resistant plate 6 is composed of wear-resistant plates that are attached to the bottom, sides and two ends of the groove. The two ends of the groove are welded to the discharge channel. The groove is 7 cm deep and the width is the same as the width of the bottom plate. The groove is designed to act as a coke buffer zone. When the coke 7 is discharged, it first falls and accumulates in the groove, forming an uneven accumulation surface. The coke then slides down the accumulation slope to the conveyor belt, achieving the effect of "coke grinding coke". This effectively reduces the direct impact and friction of coke on the inner wall of the chute and the wear-resistant plate, and greatly reduces the degree of wear.

[0020] In this embodiment, the first wear-resistant plate 4 and the second wear-resistant plate 6 are made of high-hardness wear-resistant materials, such as chromium-26 cast iron lining plates. The first wear-resistant plate is welded to the flat platform. The joints between the wear-resistant plates at the bottom, sides and both ends of the groove 5 of the second wear-resistant plate 6 are sealed by welding.

[0021] This utility model can be modified and varied in various ways. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model shall be included within the protection scope of this utility model.

Claims

1. A coking dry quenching double-fork chute device, comprising a chute body, the chute body including a feed channel connected to the coke oven grate and a double-fork discharge channel connected to the bottom of the feed channel, wherein the outlet of each discharge channel is located above a conveyor belt, characterized in that: The two discharge channels of the double-forked discharge channel are arranged in a figure-eight shape. The top surface of the joint between the upper parts of the two discharge channels is a flat platform, on which a first wear-resistant plate is welded. A groove is provided along the length of the inner wall of the lower side of the discharge channel, and a second wear-resistant plate is placed in the groove.

2. The coking quenching double bifurcated chute apparatus according to claim 1, characterized in that: The second wear-resistant plate is composed of wear-resistant plates that are attached to the bottom, sides and end faces of the groove.

3. The coking quenching double bifurcated chute arrangement according to claim 1 or 2, characterized in that: The two ends of the groove are connected to the discharge channel by welding.

4. The coking quenching double bifurcated chute apparatus according to claim 1, wherein: The first wear-resistant plate and the second wear-resistant plate are made of high-hardness wear-resistant material, and the first wear-resistant plate is welded to the flat platform.

5. The coking quenching double bifurcated chute apparatus according to claim 2, wherein: The groove is 7 cm deep and the width is the same as the width of the bottom plate.

6. The coking quenching double bifurcated chute apparatus according to claim 2, wherein: The joints between the second wear-resistant plate at the bottom, sides, and both ends of the groove are sealed by welding.

7. The coking quenching double bifurcated chute apparatus of claim 1, wherein: The first wear-resistant plate and the second wear-resistant plate are made of chromium-26 cast iron lining.

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