Methane recycling equipment

Abstract

The utility model relates to the technical field of methane treatment, and discloses methane recycling equipment which comprises a filtering unit, the filtering unit comprises a shell, a confluence cover is arranged in the shell, and a plurality of filtering bags are arranged at the bottom of the confluence cover in the circumferential direction of the confluence cover; the top of each filter bag is communicated with a confluence cavity in the confluence cover, an output pipe is arranged at the top end of the confluence cover and extends to the outer side of the shell, and an input pipe is arranged on the shell; a cleaning disc capable of moving in the axis direction of the confluence cover is arranged below the confluence cover, cleaning holes allowing the filter bags to penetrate through are formed in the cleaning disc, and bristles are arranged in the cleaning holes; a blow-down valve is arranged at the bottom of the shell; according to the utility model, the filter bag can be cleaned without shutdown, so that not only is the filtering efficiency ensured, but also the cleaning effect can be ensured, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a methane treatment technical field especially relates to a methane recycling equipment. BACKGROUND

[0002] In the methane recycling process, gas is usually entrained with a large amount of particulate matter (such as dust, coal dust, etc.), which needs to be purified by a filtering device. The traditional filtering device adopts a fixed filtering bag structure, which has the following technical defects: it is difficult to clean, the filtering bag is exposed to high particulate matter concentration gas for a long time, which is easy to block, and if not cleaned in time, it will significantly increase the airflow resistance, reduce the gas flow, and increase the risk of local damage to the filtering bag. The existing equipment needs to be stopped and the filtering bag needs to be disassembled for manual cleaning, which reduces the maintenance efficiency and affects continuous production. Some existing devices use reverse airflow to clean the filtering bag, but the sticky particulate matter in the methane recycling scene is easy to adhere to the bag body, and the blowing is difficult to completely peel off, and the blowing process needs to be stopped, which affects the continuity of production.

[0003] Therefore, there is an urgent need for a methane recycling equipment that can clean the filtering bag without stopping the machine and ensure the filtering efficiency. SUMMARY

[0004] The utility model aims at providing a methane recycling equipment that can clean the filtering bag without stopping the machine, ensuring the filtering efficiency and cleaning effect, and having strong practicality.

[0005] The utility model adopts the following technical scheme:

[0006] A methane recycling equipment includes a filtering unit, the filtering unit includes a shell, a flow collector is arranged in the shell, and a plurality of filtering bags are arranged on the bottom of the flow collector along the circumferential direction thereof; the top of each filtering bag is in communication with a flow collection cavity in the flow collector, an output pipe is arranged at the top end of the flow collector, the output pipe extends to the outside of the shell, and an input pipe is arranged on the shell; a cleaning disc that can move along the axial direction thereof is arranged below the flow collector, the cleaning disc is provided with a cleaning hole for the filtering bag to pass through, and bristles are arranged in the cleaning hole; a blowdown valve is arranged at the bottom of the shell.

[0007] Preferably, the filtering bag has a cylindrical structure, and the cleaning hole is matched with the shape of the filtering bag.

[0008] Preferably, a shaped support is arranged in the filtering bag, and the shaped support is connected with the flow collector.

[0009] Preferably, the shell has a funnel-shaped structure as a whole.

[0010] Preferably, a motor-driven threaded screw rod is arranged in the shell, and the threaded screw rod passes through the middle of the shell; the cleaning disc is connected with a sliding block on the threaded screw rod.

[0011] Preferably, the bottom of the threaded screw rod is rotationally connected with an inner bottom wall of the shell, and a drain hole is arranged on the inner bottom wall outside the threaded screw rod.

[0012] Preferably, a cleaning brush is arranged on the threaded screw rod, and the cleaning brush is in contact with the inner bottom wall of the shell.

[0013] Preferably, a sealing cover is detachably arranged on the top of the shell.

[0014] Preferably, a transparent observation hole is arranged on the shell.

[0015] Compared with the prior art, the utility model has the beneficial effects that: the utility model sets a cleaning disc outside the filter bag, and sets bristles in the cleaning hole of the cleaning disc, can control the cleaning disc to move up and down regularly, uses the bristles to clean the outer surface of the filter bag, avoids the filtered dirt from adhering to the surface of the filter bag to affect the filtering efficiency, can continuously carry out the methane filtering work without stopping, and guarantees the filtering efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a front view of the embodiment of the present application;

[0017] Fig. 2 is a partial sectional view of the embodiment of the present application;

[0018] Fig. 3 is a structure schematic view of the filter bag and the cleaning disc when being connected in the embodiment of the present application;

[0019] Fig. 4 is a top view of the shell of the embodiment of the present application. DETAILED DESCRIPTION

[0020] The utility model will be described clearly and completely in combination with the drawings and embodiments as follows:

[0021] As Figs. 1 to 4As shown, the methane recycling equipment, the filtering unit includes shell 1, the shell 1 is provided with the current collecting cover 2, the current collecting cover 2 is centrally arranged in the shell 1 inside, the current collecting cover 2 is connected between the shell 1 inner wall by connecting rod, the current collecting cover 2 bottom is provided with a plurality of filter bags 3 along its circumferential direction;Every filter bag 3 top with the current collecting cover 2 inside current collecting cavity is communicated, the current collecting cover 2 top is provided with output pipe 4, and the output pipe 4 extends to the shell 1 outside, so as to output the filtered gas, the shell 1 is provided with input pipe 5 communicated with its inside, for conveying the gas to be filtered into the shell 1, and the input pipe 5 is preferably arranged on the upper portion of the shell 1, that is, the gas is conveyed into the shell 1 from top to bottom, so as to reduce the disturbance of airflow to the cleaned dust when cleaning the filter bag 3, and the gas flow of input and output can also be appropriately reduced according to the cleaning requirement during operation;The current collecting cover 2 below is provided with the cleaning disc 6 movable along its axis direction, the cleaning disc 6 is provided with the cleaning hole 7 for the filter bag 3 to pass through, and the cleaning hole 7 is provided with bristles;The shell 1 bottom is provided with a blowdown valve.Working, the cleaning disc 6 is driven to move up and down to drive the bristles to clean the outside of the filter bag 3, the dust adhered to the outside of the filter bag 3 is cleaned and removed in time, so as to ensure the filtering efficiency;The filtered dust can be discharged through the blowdown valve after shutdown.

[0022] The filter bag 3 in the embodiment is preferably provided as a cylindrical structure, and the cleaning hole 7 is matched with the shape of the filter bag 3;The cylindrical structure of the filter bag 3 can not only ensure the filtering area, but also reduce the resistance when the cleaning disc 6 moves up and down.In addition, the filter bag 3 is provided with a plastic support, which can be provided as a mesh tube structure, so as to provide plastic support for the filter bag 3, and the top of the plastic support is connected with the current collecting cover 2.The plastic support can shape and support the filter bag 3, maintain the overall state of the filter bag 3, ensure the filtering area, ensure the filtering efficiency, and also avoid the deformation of the filter bag 3 when the cleaning disc 6 moves up and down, which affects the cleaning effect.

[0023] In addition, the shell 1 in the embodiment is in the form of a funnel, so that the cleaned dirt can smoothly fall to the blowdown valve;In addition, the cleaning disc 6 in the embodiment can be controlled by a pneumatic cylinder or an electric push rod;Other driving modes can also be used, and the movement of the cleaning disc 6 is completed by the cooperation of the lead screw and the sliding block in the embodiment;Specifically, a threaded lead screw 9 driven by a motor 8 is arranged in the shell 1, the motor 8 and the threaded lead screw 9 are connected through a shaft coupling, the threaded lead screw 9 is movably arranged in the middle of the current collecting cover 2, and the threaded lead screw 9 is rotatably connected with the current collecting cover 2 through a bearing;The cleaning disc 6 is connected with the sliding block on the threaded lead screw 9.Working, the motor 8 drives the threaded lead screw 9 to rotate, which drives the sliding block to move along the axis direction of the threaded lead screw 9, thereby driving the cleaning disc 6 to move up and down, and completing the cleaning work on the surface of the filter bag 3.

[0024] Further, the bottom of the threaded screw rod 9 is rotatably connected with the inner bottom wall of the shell 1 through a sealing bearing to ensure the stability of the threaded screw rod 9 during operation, and a sewage outlet 10 is arranged on the inner bottom wall of the shell 1 outside the threaded screw rod 9, and a sewage valve is arranged below the sewage outlet 10. In addition, a cleaning brush 11 is arranged on the threaded screw rod 9, which is in contact with the inner bottom wall of the shell 1, and the cleaning brush 11 is used to clean the dirt falling on the inner bottom wall of the shell 1 into the sewage outlet 10, thereby facilitating the smooth discharge of the dirt cleaned from the filter bag 3.

[0025] In the embodiment, the top of the shell 1 is also detachably provided with a sealing cover 12 through bolts, and the motor 8, the input pipe 5 and the output pipe 4 are all located on the sealing cover 12. The sealing cover 12 is arranged to facilitate the disassembly and maintenance of the internal elements of the shell 1. In addition, a transparent observation port is arranged on the shell 1 to facilitate the intuitive observation of the cleaning condition of the filter bag 3 in the shell 1, thereby ensuring the smooth operation.

[0026] During operation of the utility model, the gas containing methane is input into the shell 1 through the input pipe 5. Since the output pipe 4 is located at the top of the converging cover 2 and extends to the outside of the shell 1, the gas needs to pass through the filter bag 3 for filtration when being discharged from the shell 1, and then enters the converging cavity of the converging cover 2 and is discharged through the output pipe 4. When the filter bag 3 needs to be cleaned, the motor 8 is started to drive the threaded screw rod 9 to rotate, and the cleaning disc 6 is driven to move up and down by the sliding block, thereby completing the cleaning operation on the surface of the filter bag 3. The utility model does not need to stop and wait, thereby ensuring the continuity of the operation and the filtering efficiency.

Claims

1. A methane recovery apparatus comprising a filtration unit, characterized by: The filter unit comprises a shell, a flow collecting cover is arranged in the shell, a plurality of filter bags are arranged on the bottom of the flow collecting cover along the circumferential direction of the flow collecting cover, the top of each filter bag is communicated with a flow collecting cavity in the flow collecting cover, an output pipe is arranged on the top end of the flow collecting cover and extends to the outside of the shell, an input pipe is arranged on the shell, a cleaning disc which is movable along the axial direction of the flow collecting cover is arranged below the flow collecting cover, the cleaning disc is provided with cleaning holes for the filter bags to pass through, and bristles are arranged in the cleaning holes, and a blowdown valve is arranged on the bottom of the shell.

2. The methane recovery apparatus according to claim 1, characterized by: The filter bag is in a cylindrical structure, and the cleaning hole is matched with the shape of the filter bag.

3. The methane recovery apparatus according to claim 2, characterized by: A shaping support is arranged in the filter bag, and the shaping support is connected with the flow collecting cover.

4. The methane recovery apparatus according to claim 3, characterized by: The shell is in a whole funnel structure.

5. The methane recovery apparatus according to claim 4, characterized by: A threaded screw rod driven by a motor is arranged in the shell, and the threaded screw rod passes through the middle of the flow collecting cover.

6. The methane recovery apparatus according to claim 5, characterized by: The cleaning disc is connected with a sliding block on the threaded screw rod.

7. The methane recovery apparatus according to claim 6, characterized by: The bottom of the threaded screw rod is rotationally connected with the inner bottom wall of the shell, and a blowdown opening is arranged on the inner bottom wall of the shell outside the threaded screw rod.

8. The methane recovery apparatus according to claim 1, characterized by: A cleaning brush is arranged on the threaded screw rod and contacts the inner bottom wall of the shell.

9. The methane recovery apparatus according to claim 1, characterized by: A seal cover is detachably arranged on the top of the shell. A transparent observation opening is arranged on the shell.

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