Collecting device for coke oven gas production

Abstract

The utility model discloses a collecting device for coke oven gas production, which comprises a filtering mechanism mounted on a coke oven, one end of the filtering mechanism is connected with a negative pressure mechanism, one end of the negative pressure mechanism is connected with a gas collecting pipe, the filtering mechanism comprises a filtering outer cylinder, the inner side of the filtering outer cylinder is connected with a mounting pressing plate in a sliding manner, and the mounting pressing plate is connected with a gas collecting pipe. A mounting cylinder is arranged on one side of the mounting pressing plate, a pressing spring and a pushing block are arranged on the other side of the mounting pressing plate, an auxiliary spring is arranged on the inner wall of the lower end of the filtering outer cylinder, a sliding block is arranged at one end of the auxiliary spring, and the auxiliary spring is attached to the lower end of the pushing block; by means of the designed filtering mechanism, an installation pressing plate is pushed to be pressed on a filter element and an installation cylinder through pushing force of a pressing spring during use, and elastic force of an auxiliary spring is matched for auxiliary pushing, so that the filter element and the installation cylinder are installed more stably during use, and replacement can be more convenient only by opening an opening and closing door on the outer side during replacement.

Description

Technical Field

[0001] The utility model belongs to the technical field of coke oven gas making, and in particular relates to a collecting device for coke oven gas making. Background Art

[0002] Coke oven gas is a high calorific value gas, raw gas or rough gas due to its high combustible content. It is a combustible gas produced when coking coal is prepared from several types of bituminous coal and undergoes high-temperature dry distillation in a coking oven. It is a by-product of the coking industry.

[0003] At present, the coke oven gas production technology needs to collect the gas. During the collection, the impurities in the gas are filtered through a filtering device. After a period of use, the filtering material needs to be replaced. During the replacement, there are too many disassembly and assembly structures, and the operation is cumbersome and laborious. Therefore, it is necessary to design a collection device for coke oven gas production to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a coke oven gas collecting device for gasification to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a collection device for coke oven gas production, comprising a filtering mechanism installed on the coke oven, one end of the filtering mechanism is connected to a negative pressure mechanism, one end of the negative pressure mechanism is connected to a gas collecting pipe, the filtering mechanism comprises a filtering outer cylinder, the inner side of the filtering outer cylinder is slidably connected to a mounting pressure plate, one side of the mounting pressure plate is provided with a mounting cylinder, the other side of the mounting pressure plate is provided with a compression spring and a pushing block, the lower end inner wall of the filtering outer cylinder is provided with an auxiliary spring, one end of the auxiliary spring is provided with a sliding block, and the auxiliary spring is fitted to the lower end of the pushing block.

[0006] Preferably, a connecting pipe is provided in the middle of the mounting plate, the connecting pipe corresponds to the position of the air inlet at the lower end of the filter outer cylinder, an air outlet is provided on one side of the upper end of the filter outer cylinder, and the air outlet is connected to the negative pressure mechanism.

[0007] Preferably, a filter core is arranged on the outside of the installation cylinder, and filter pores are opened on the surface of the installation cylinder.

[0008] Preferably, an inspection door is provided on the outer side of the filter outer cylinder at a position corresponding to the mounting cylinder.

[0009] Preferably, a negative pressure fan is provided at the internal upper end of the negative pressure mechanism, and a ventilation plate is provided at the internal lower end of the negative pressure mechanism, and ventilation holes are provided on the surface of the ventilation plate.

[0010] Preferably, a middle portion of the ventilation plate is fixedly connected to a middle column, one end of the middle column is provided with a valve plate, both ends of the valve plate are slidably connected to guide columns, one end of the guide column is provided with a closing spring, one end of the guide column is fixedly connected to a closing plate, the position of the closing plate corresponds to the position of the ventilation hole, a closing spring is sleeved on the outer side of the guide column, and both ends of the closing spring are fixed on the valve plate and the closing plate.

[0011] Preferably, a middle spring is provided at the upper end of the middle column, and two ends of the middle spring are fixedly connected to the valve plate and the top of the middle column respectively.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Through the designed filtering mechanism, the installation pressure plate is pushed onto the filter element and the installation cylinder by the thrust of the compression spring during use, and the elastic force of the auxiliary spring assists in pushing. When in use, the filter element and the installation cylinder are installed more stably. When replacing, you only need to open the switch door on the outside to replace it, which is more convenient.

[0014] 2. Through the designed closing spring and middle spring, when in use, the closing spring pushes the closing plate to press on the vent to seal. When collecting, the exhaust gas pressure of the coke oven and the negative pressure of the exhaust air push the closing plate open for ventilation. When stopping, the closing spring presses the closing plate back to the vent, thereby reducing the phenomenon of air return. In combination with the middle spring, the downward pressure capacity can be enhanced to reduce the phenomenon that the long-term change of elastic force affects the gas collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the filtering structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the ventilation structure of the utility model;

[0018] In the figure: 1. Filter mechanism; 2. Negative pressure mechanism; 3. Gas collecting pipe; 4. Filter outer cylinder; 5. Filter element; 6. Mounting cylinder; 7. Filter air hole; 8. Mounting pressure plate; 9. Connecting pipe; 10. Compression spring; 11. Push block; 12. Sliding block; 13. Auxiliary spring; 14. Negative pressure fan; 15. Ventilation plate; 16. Ventilation hole; 17. Middle column; 18. Valve plate; 19. Middle spring; 20. Guide column; 21. Closing spring; 22. Closing plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1:

[0021] See also Figures 1 to 3 The utility model provides a technical solution: a coke oven gas collection device, comprising a filter mechanism 1 installed on the coke oven, one end of the filter mechanism 1 is connected to a negative pressure mechanism 2, one end of the negative pressure mechanism 2 is connected to a gas collecting pipe 3, the filter mechanism 1 comprises a filter outer cylinder 4, the inner side of the filter outer cylinder 4 is slidably connected with a mounting plate 8, one side of the mounting plate 8 is provided with a mounting cylinder 6, the other side of the mounting plate 8 is provided with a compression spring 10 and a push block 11, the lower end inner wall of the filter outer cylinder 4 is provided with an auxiliary spring 13, one end of the auxiliary spring 13 is provided with a sliding block 12, the auxiliary spring 13 is attached to the lower end of the pushing block 11, the filter element 5 and the mounting cylinder 6 can be removed by pressing the mounting plate 8 downward, and the compression spring 10 and the auxiliary spring 13 are provided with a sliding block 12 when in use. The auxiliary spring 13 pushes the installation pressure plate 8 to press in the same direction as the airflow direction, thereby reducing the shaking of the filter element 5 and the installation cylinder 6, making the filter element 5 and the installation cylinder 6 easy to install and remain stable during use; a connecting pipe 9 is arranged in the middle of the installation pressure plate 8, and the connecting pipe 9 corresponds to the position of the air inlet at the lower end of the filter outer cylinder 4, and an air outlet is arranged on one side of the upper end of the filter outer cylinder 4, and the air outlet is connected with the negative pressure mechanism 2, which is convenient for ventilation and gas collection during use; a filter element 5 is arranged on the outside of the installation cylinder 6, and filter air holes 7 are opened on the surface of the installation cylinder 6, which is convenient for ventilation and filtration during use; an inspection door is arranged on the outside of the filter outer cylinder 4 corresponding to the position of the installation cylinder 6, which is convenient for disassembly, assembly and replacement of internal filter components during use.

[0022] From the above description, it can be seen that the utility model has the following beneficial effects: when in use, the thrust of the compression spring 10 pushes the installation pressure plate 8 to press on the filter element 5 and the installation cylinder 6, and the elastic force of the auxiliary spring 13 assists in pushing. When in use, the filter element 5 and the installation cylinder 6 are installed more stably, and when replacing, it is more convenient to replace by simply opening the outer switch door.

[0023] Embodiment 2:

[0024] See also Figures 1 to 3As shown, on the basis of the first embodiment, the utility model provides a technical solution: a negative pressure fan 14 is arranged at the upper end of the interior of the negative pressure mechanism 2, a ventilation plate 15 is arranged at the lower end of the interior of the negative pressure mechanism 2, a ventilation hole 16 is opened on the surface of the ventilation plate 15, a middle column 17 is fixedly connected to the middle of the ventilation plate 15, a valve plate 18 is arranged at one end of the middle column 17, guide columns 20 are slidably connected to both ends of the valve plate 18, a closing spring 21 is arranged at one end of the guide column 20, a closing plate 22 is fixedly connected to one end of the guide column 20, and the position of the closing plate 22 is in accordance with Corresponding to the position of the vent hole 16, a closing spring 21 is sleeved on the outer side of the guide column 20, and the two ends of the closing spring 21 are fixed on the valve plate 18 and the closing plate 22. The closing plate 22 is pushed to press on the vent hole 16 by the elastic force of the closing spring 21, so that the closing plate 22 is stably pressed on the vent plate 15, thereby reducing the phenomenon of gas reflux during shutdown; a middle spring 19 is provided on the upper end of the middle column 17, and the two ends of the middle spring 19 are respectively fixedly connected to the valve plate 18 and the top of the middle column 17, and cooperate with the middle spring 19 to press on the valve plate 18 to make the sealing effect better.

[0025] By adopting the above technical scheme, when in use, the closing spring 21 pushes the closing plate 22 to press on the vent hole 16 to seal it. When collecting, the air pressure of the coke oven exhaust and the negative pressure of the exhaust air push the closing plate 22 open for ventilation. When stopping, the closing spring 21 presses the closing plate 22 back to the vent hole 16, thereby reducing the phenomenon of air return. In combination with the middle spring 19, the downward pressure capacity can be enhanced to reduce the phenomenon that the long-term change of elastic force affects the gas collection.

[0026] The working principle and use process of the utility model are as follows: when in use, the filter mechanism 1 is connected to the exhaust of the coke oven, and the closing plate 22 is pushed open by the operating negative pressure of the negative pressure fan 14 and the coke oven gas pressure, so that the gas enters the collecting pipe 3 for collection, and the gas passes through the filter mechanism 1 and is filtered by the filter element 5, thereby reducing impurities in the air, and the closing plate 22 is pushed to be pressed on the vent hole 16 by the elastic force of the closing spring 21, and the spring 19 is cooperated to press on the valve plate 18, so that the closing plate 22 is stably pressed on the vent plate 15, thereby reducing the phenomenon of gas reflux during shutdown, and the filter element 5 can be replaced after long-term use, and it is only necessary to open the inspection door and press down the installation pressure plate 8 to remove the filter element 5 and the installation cylinder 6, and the compression spring 10 and the auxiliary spring 13 push the installation pressure plate 8 to compress in the same direction as the airflow direction during use, thereby reducing the phenomenon of shaking of the filter element 5 and the installation cylinder 6, so that the filter element 5 and the installation cylinder 6 are easy to install and remain stable during use.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A coke oven gas collection device, comprising a filter mechanism (1) mounted on a coke oven, one end of the filter mechanism (1) being connected to a negative pressure mechanism (2), one end of the negative pressure mechanism (2) being connected to a gas collecting pipe (3), characterized in that: The filtering mechanism (1) comprises a filtering outer cylinder (4), the inner side of which is slidably connected to a mounting plate (8), one side of which is provided with a mounting cylinder (6), the other side of which is provided with a compression spring (10) and a pushing block (11), an auxiliary spring (13) is provided on the inner wall of the lower end of the filtering outer cylinder (4), one end of which is provided with a sliding block (12), and the auxiliary spring (13) is fitted on the lower end of the pushing block (11).

2. A coke oven gas collection device according to claim 1, characterized in that: A connecting pipe (9) is provided in the middle of the mounting pressure plate (8), and the connecting pipe (9) corresponds to the position of the air inlet at the lower end of the filter outer cylinder (4). An air outlet is provided on one side of the upper end of the filter outer cylinder (4), and the air outlet is connected to the negative pressure mechanism (2).

3. A coke oven gas collection device according to claim 1, characterized in that: A filter core (5) is arranged on the outside of the installation cylinder (6), and a filter air hole (7) is opened on the surface of the installation cylinder (6).

4. A coke oven gas collection device according to claim 1, characterized in that: An inspection door is provided on the outside of the filter outer cylinder (4) at a position corresponding to the mounting cylinder (6).

5. The coke oven gas collecting device according to claim 1, characterized in that: A negative pressure fan (14) is arranged at the upper end of the negative pressure mechanism (2), and a ventilation plate (15) is arranged at the lower end of the negative pressure mechanism (2). Ventilation holes (16) are provided on the surface of the ventilation plate (15).

6. A coke oven gas collection device according to claim 5, characterized in that: A middle column (17) is fixedly connected to the middle of the ventilation plate (15), a valve plate (18) is arranged at one end of the middle column (17), guide columns (20) are slidably connected to both ends of the valve plate (18), a closing spring (21) is arranged at one end of the guide column (20), a closing plate (22) is fixedly connected to one end of the guide column (20), the position of the closing plate (22) corresponds to the position of the ventilation hole (16), a closing spring (21) is sleeved on the outer side of the guide column (20), and the two ends of the closing spring (21) are fixed on the valve plate (18) and the closing plate (22).

7. A coke oven gas collection device according to claim 6, characterized in that: A middle spring (19) is arranged at the upper end of the middle column (17), and two ends of the middle spring (19) are respectively fixedly connected to the valve plate (18) and the top of the middle column (17).

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