CN215049881U

CN215049881U - Small-size constant voltage experiment coke oven device

Info

Publication number: CN215049881U
Application number: CN202120882004.2U
Authority: CN
Inventors: 马亚菲; 赵振宁; 方志刚; 崔学鹏; 齐源; 李月
Original assignee: University of Science and Technology Liaoning USTL
Current assignee: University of Science and Technology Liaoning USTL
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-07
Anticipated expiration: 2031-04-27

Abstract

The utility model provides a small-size constant voltage experiment coke oven device, includes carbomorphism room, pneumatic cylinder, portable brickwork, the portable brickwork of pneumatic cylinder drive is the constant voltage in the carbomorphism room and is removed, be equipped with the elema in removing the brickwork, also be equipped with the elema in the oven that carbomorphism room and removal brickwork are relative, the furnace roof of carbomorphism room is equipped with out gas chimney and hanger rail, it is equipped with the pulley to remove brickwork upper end, the pulley removes along the hanger rail, be equipped with coke side furnace gate on the oven of carbomorphism room. The utility model is more suitable for the structural characteristics of coke oven production and is close to the production practice of coking industry. The furnace walls on the two sides are provided with silicon carbide rods which correspond to the combustion chamber for producing the coke oven. The top of the furnace is provided with a chimney which is consistent with the production of the coke oven. The constant pressure structure of the movable furnace wall is adopted, the pressure is accurate, and the experiment repeatability is good. The hanging rail is arranged on the inner side of the furnace top, so that the friction force of the movable furnace wall can be reduced, and the accuracy of the experiment is improved.

Description

Small-size constant voltage experiment coke oven device

Technical Field

The utility model relates to a laboratory coke physical and chemical properties detects technical field, especially relates to a small-size constant voltage experiment coke oven device.

Background

Most of the prior arts of the accuracy and the correlation of the present experimental coke oven continuously optimize the performance of the experimental coke oven by improving the structural sealing performance of the experimental coke oven, simulating the pressure environment of the top gas of the production coke oven as much as possible, automatically controlling the coking process and other methods, for example, publication No. CN211946909U is favorable for improving the adaptability of the experimental coke oven, but does not consider the influence of the coke quality change caused by the continuous increase of the capacity of the production coke oven on the experimental result, so that the experimental coke oven device and the method which can actively cope with the current situation and the development trend of the production coking, effectively simulate the influence of the dead weight change of coking coal and improve the accuracy of the experiment need to be developed.

The invention patent with publication number CN105861002A discloses a small constant pressure coking device, which can coke under constant pressure condition to obtain the corresponding relation between pressure and coke quality, or compare and research the coke quality of different coals under the same pressure condition. The purposes of optimizing the coking, optimizing the coking production process, saving the investment of coking equipment and effectively utilizing resources are achieved. However, the design is not in accordance with the modern actual coke oven coking process, for example, the coke ovens of the modern factory do not adopt a bottom heating mode, and the accuracy of experimental simulation is influenced by the difference of the heating modes. And the waste gas discharge mode of the small constant-pressure experimental coke oven is to finish the discharge through an air hole, which is inconvenient for the purification treatment of the waste gas in the later period. In addition, the constant-pressure experimental coke ovens actually operated in factories adopt transverse pressure control, and the accuracy of experimental simulation is influenced due to different pressure control modes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a small-size constant voltage experiment coke oven device, accord with the structural feature of production coke oven more, press close to the production practice of coking trade. The furnace walls on the two sides are provided with silicon carbide rods which correspond to the combustion chamber for producing the coke oven. The top of the furnace is provided with a chimney which is consistent with the production of the coke oven. The constant pressure structure of the movable furnace wall is adopted, the pressure is accurate, and the experiment repeatability is good. The hanging rail is arranged on the inner side of the furnace top, so that the friction force of the movable furnace wall can be reduced, and the accuracy of the experiment is improved. The coke side furnace door is arranged in front of the furnace, so that coal can be conveniently charged and coke can be conveniently taken out after the experiment is finished.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a small-size constant voltage experiment coke oven device, includes carbomorphism room, pneumatic cylinder, portable brickwork, the portable brickwork of pneumatic cylinder drive is the constant voltage in the carbomorphism room and is removed, be equipped with the elema in removing the brickwork, also be equipped with the elema in the oven that carbomorphism room and removal brickwork are relative, the furnace roof of carbomorphism room is equipped with out gas chimney and hanger rail, it is equipped with the pulley to remove brickwork upper end, the pulley removes along the hanger rail, be equipped with coke side furnace gate on the oven of carbomorphism room.

And the bottom of the carbonization chamber is also provided with a heat-insulating layer.

The hydraulic cylinder is connected with a control valve, the control valve is connected with the hydraulic pump and the oil tank through a pipeline, and a pressure gauge and an overflow valve are installed on the pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the utility model adopts a hydraulic system to ensure that the pressure of the carbonization chamber is constant in the coking process. Through a plurality of groups of experimental results, the relation between the expansion pressure and the mass can be better coordinated, and the optimal pressure in the coking process and the bulk density of the coal can be predicted.

2) The utility model discloses a heating system adopts the heating of elema both sides. The silicon carbide rods are arranged on the left side and the right side of the carbonization chamber, and accord with the actual factory production, so that the experiment has higher reliability. And the silicon carbide rod can be heated from two sides of the carbonization chamber, so that the speed of the experiment can be effectively accelerated, and the experiment time is reduced.

3) The utility model discloses the furnace roof is equipped with the hanger rail, adopts the pulley form to realize the lateral shifting of furnace wall, and the frictional force that produces when can reducing the furnace wall and remove has increased experimental data's accuracy.

4) The utility model discloses be equipped with the coke side furnace gate, be convenient for pack into of coal and the taking out of coke after the experiment, actually conform with modern factory production, convenient operation saves time.

5) The utility model discloses set up the chimney of giving vent to anger at the furnace roof, conform with modern factory's actual production, can collect the waste gas in the carbomorphism room, handle the purification, can reach the effect of environmental protection.

6) The utility model discloses a horizontal constant voltage, this kind of mode of horizontal control pressure accords with the actual production control pressure mode of mill, has increased the accuracy of experiment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the structure of the carbonization chamber.

Fig. 3 is a schematic structural view of a ceiling hanger rail.

Fig. 4 is a schematic plan view of the movable furnace wall.

Fig. 5 is a schematic perspective view of a movable furnace wall.

In the figure: 1. the coke oven comprises an oven top, an oven bottom, a heat preservation layer, a gas outlet chimney, a silicon carbide rod, a carbonization chamber, a piston, a hydraulic cylinder, a control valve, a hydraulic pump, an overflow valve, an oil tank, a support, a hanging rail, a coke side oven door, a support, a pipeline b, a pipeline a, a pipeline 19, a pressure gauge, a movable oven wall and a pulley, wherein the oven top is 2, the oven bottom is 3, the heat preservation layer is 4, the gas outlet chimney is 5, the silicon carbide rod is 6, the carbonization chamber is 7, the piston is 8, the hydraulic cylinder is 9, the control valve is 10, the hydraulic pump is 11, the overflow valve is 12, the oil tank is 13, the support is 14, the hanging rail is 15, the coke side oven door is 16, the support is 17, the pipeline b, the pipeline 18, the pipeline a, the pressure gauge is 19, the movable oven wall is 20, and the pulley is 21.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

referring to fig. 1-5, the small constant-pressure experimental coke oven device comprises a carbonization chamber 6, a hydraulic cylinder 8 and a movable oven wall 20, wherein the hydraulic cylinder 8 drives the movable oven wall 20 to move in the carbonization chamber 6 at a constant pressure, a silicon carbide rod 5 is arranged in the movable oven wall 20, the oven wall of the carbonization chamber 6 opposite to the movable oven wall 20 is also provided with the silicon carbide rod 5, the oven top 1 of the carbonization chamber 6 is provided with an air outlet chimney 4 and a hanging rail 14, the upper end of the movable oven wall 20 is provided with a pulley 21, the pulley 21 moves along the hanging rail 14, and the oven wall of the carbonization chamber 6 is provided with a coke side oven door 15.

And the bottom of the carbonization chamber 6 is also provided with an insulating layer 3.

The hydraulic cylinder 8 is connected with a control valve 9, the control valve 9 is connected with a hydraulic pump 10 and an oil tank 12 through a pipeline, and a pressure gauge 19 and an overflow valve 11 are installed on the pipeline.

The carbonization chamber 6 is composed of a furnace top 1, a furnace bottom 2, furnace walls with three sides and a movable furnace wall 20, wherein the furnace bottom 2 is provided with a heat-insulating layer 3, the furnace top 1 is provided with a hanging rail 14 and an air outlet chimney 4, and the furnace walls with coke sides are provided with furnace doors 22. The experimental coke oven is surrounded by high-aluminum walls, the movable oven wall 20 can slide left and right, and the bracket 16 supports the oven body of the experimental coke oven. The hydraulic system consists of a piston 7, a hydraulic cylinder 8, a control valve 9, a hydraulic pump 10, an overflow valve 11, an oil tank 12, a support column 13, a pressure gauge 19, a pipeline a 18 and a pipeline b 17. Oil is put in the oil tank 12 in advance; the oil tank 12 is fixed on the ground by a support column 13; the oil in the oil tank 12 flows into the hydraulic pump 10 under the action of gravity; under the action of the gear of the hydraulic pump 10, the oil is pushed out; the hydraulic pump 10 is connected with the control valve 9 through a pipeline, and the control valve 9 controls the direction of oil; the pressure gauge 19 is positioned between the hydraulic pump 10 and the regulating valve 9; the regulating valve 9 is connected with the hydraulic cylinder 8 through a pipeline a 18 and a pipeline b 17; the movement of the piston 7 is controlled by controlling the amount of oil flowing in the hydraulic cylinder 8 through the conduits a, b, the piston 7 being connected to a movable furnace wall 20.

The silicon carbide rods 5 are distributed on the movable furnace wall 20 and the furnace wall opposite to the movable furnace wall.

The hanging rails 14 are distributed on the inner side of the furnace top 1, and the two hanging rails are sealed at two ends, so that the sealing performance of the experimental coke oven is ensured.

The top of the movable furnace wall 20 is provided with a pulley 21 which can move left and right on the hanging rail 14.

The air outlet chimney 4 is connected with the purification system, so that the escape of gas and air pollution can be avoided.

The relief valve 11 functions to prevent the oil in the hydraulic pump 10 from flowing back to the oil tank 12 through the relief valve 11 when the system fails, thereby protecting other components from being damaged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts of the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. The small constant-pressure experimental coke oven device is characterized by comprising a carbonization chamber, a hydraulic cylinder and a movable oven wall, wherein the hydraulic cylinder drives the movable oven wall to move at a constant pressure in the carbonization chamber, a silicon carbon rod is arranged in the movable oven wall, the silicon carbon rod is also arranged in an oven wall of the carbonization chamber opposite to the movable oven wall, an air outlet chimney and a hanging rail are arranged at the oven top of the carbonization chamber, a pulley is arranged at the upper end of the movable oven wall, the pulley moves along the hanging rail, and a coke side oven door is arranged on the oven wall of the carbonization chamber.

2. The small constant pressure experimental coke oven plant as claimed in claim 1, wherein an insulating layer is further provided at the bottom of the carbonization chamber.

3. The small constant pressure experimental coke oven device of claim 1, wherein the hydraulic cylinder is connected with a control valve, the control valve is connected with the hydraulic pump and an oil tank through a pipeline, and the pipeline is provided with a pressure gauge and an overflow valve.