Pipeline filter convenient to disassemble

Abstract

The utility model relates to a pipeline filter convenient to disassemble, which aims to solve the technical problem that a filter element of an existing filter is inconvenient to disassemble and replace, and adopts the technical scheme that the pipeline filter comprises a filter cartridge, the filter element, a backwashing pipeline, a blow-off pipe disassembly door and a flange device, a filter pipeline is arranged in the filter cartridge, and an inlet and an outlet are respectively formed in two ends of the filter cartridge; the two ends of the filter element are locked and connected to the middle of the filter pipeline through flange devices, the upper end of the blow-off pipe is connected with the filter pipeline, the lower end of the blow-off pipe penetrates through the bottom of the filter cartridge and extends to the blow-off position, a first block valve is arranged on the filter pipeline at the inlet, a second block valve is arranged on the filter pipeline at the outlet, and a third block valve is arranged on the blow-off pipe. The two ends of the backwashing pipeline are connected to the filter pipelines at the inlet and the outlet, the filter cartridge is provided with a maintenance hole, and the detachable door is connected with the filter cartridge through a hinge on the maintenance hole. The detachable door facilitates maintenance and replacement of the filter element, the flange device is in locking connection with the pipeline according to the lever principle, disassembly is convenient, and the replacement efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of coal mine underground filter device, concretely relates to a pipe filter convenient to dismount. BACKGROUND

[0002] The water and air used in coal mine underground need to be filtered, mainly to guarantee the safety of water quality and compressed air quality, protect the normal operation of underground equipment and electrical appliances, realize the recycling of water resources and reduce the risk of safety accidents. However, after a long time of use, the filter element is repeatedly clogged and flushed, which is easy to wear and tear, and needs to be replaced and maintained regularly. The filter element of the existing filter is not easy to replace, and the operation is complex. UTILITY MODEL CONTENT

[0003] The utility model aims at solving above-mentioned problem, provides a pipe filter convenient to dismount.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of:

[0005] A pipe filter convenient to dismount, including filter drum, filter element, backwash pipeline, blow-off pipe dismounting door, flange device, the filter drum is equipped with filter pipeline in, the filter pipeline both ends extend the both ends of filter drum, one end is the entrance, the other end is the exit, the both ends of filter element are connected in the middle of filter pipeline through flange device, the blow-off pipe upper end is connected to the filter pipeline on the side of flange device of entrance, the lower end passes through the bottom of filter drum and extends to the blow-off place, be equipped with first cut-off valve on the filter pipeline between entrance and blow-off pipe, be equipped with second cut-off valve on the filter pipeline between exit and filter element, be equipped with third cut-off valve on the blow-off pipe, one end of backwash pipeline is connected to the filter pipeline between entrance and first cut-off valve, the other end is connected to the filter pipeline between filter element and second cut-off valve, the filter drum above filter element is equipped with maintenance hole, the dismounting door is set up maintenance hole, one side is connected through hinge with filter drum, the other side is connected through buckle one with filter drum.

[0006] Further, the flange device includes a first flange, a second flange, a connecting piece, a plug-in piece, and a locking rod. The first flange and the second flange have a connecting groove horizontally formed at corresponding positions on the upper portions thereof. The connecting piece has a plug hole formed thereon. The second flange has a plug-in groove vertically formed on the top portion thereof. The plug-in piece has a plug-in rod formed on the bottom portion thereof. The connecting piece is horizontally inserted into the connecting groove. The plug-in rod is vertically inserted into the plug-in groove and passes through the plug hole. The locking rod has a pressing portion upwardly protruding from the upper end thereof. The locking rod has a locking hook formed on the lower end thereof. The second flange has a locking hook formed on the side thereof and corresponding to the locking hook.

[0007] Further, the top surface of the dismounting door is provided with a handle near one side of the buckle.

[0008] Further, the filter pipeline and the backwashing pipeline are both elliptical section pipelines.

[0009] Further, the width of the dismounting door is greater than the distance between the two flange devices.

[0010] Further, the upper end of the locking rod is connected to the side surface of the plug-in part through a spring.

[0011] Further, the top surface of the plug-in part is provided with a handle in the middle.

[0012] Further, the bottom surfaces of the first flange and the second flange are connected through the buckle two.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The maintenance hole and the dismounting door are convenient for the maintenance and replacement of the filter core, the equipment does not need to be completely disassembled, and the operation efficiency is improved.

[0015] 2. The flange device is locked and connected with the pipeline through the lever principle, is convenient to disassemble, and is high in replacement efficiency.

[0016] 3. The backwashing pipeline is convenient for the backwashing of the filter, prolongs the use time of the filter core, and reduces the replacement frequency of the filter core.

[0017] 4. The elliptical section pipeline is adopted, compared with the circular pipeline, the smooth curve and the symmetrical shape of the elliptical pipeline help to reduce the vortex and the turbulent flow, further reduce the energy loss, the elliptical pipeline can also make the flushing fluid form a more extensive flow path in the pipeline, thereby improving the flushing coverage and the efficiency of the backwashing. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a structural schematic view of the utility model;

[0019] Fig. 2 It is a flange connection structure schematic view of the utility model;

[0020] Fig. 3 It is a connecting piece structure schematic view of the utility model;

[0021] In the figure: 1, filter cartridge; 2, inlet; 3, outlet; 4, first shut-off valve; 5, second shut-off valve; 6, filter element; 7, backwashing pipeline; 8, third shut-off valve; 9, blowdown pipe; 10, dismounting door; 11, handle; 12, buckle one; 13, flange device; 14, first flange, 15, second flange; 16, connecting piece; 17, insertion hole; 18, insertion piece; 19, insertion rod; 20, locking rod; 21, locking hook; 22, support hinge; 23, spring; 24, pressing part; 25, insertion slot; 26, handle; 27, buckle two. DETAILED DESCRIPTION

[0022] The utility model will be further explained in connection with the drawings and examples.

[0023] As Figs. 1-3 shown, a pipeline filter convenient to dismount, including filter cartridge 1, filter element 6, backwashing pipeline 7, blowdown pipe 9, dismounting door 10, flange device 13, the filter cartridge 1 is equipped with the filter pipeline of oval section inside, the filter pipeline both ends stretch out the both ends of filter cartridge 1, one end is inlet 2, the other end is outlet 3, the both ends of filter element 6 are connected in the middle of filter pipeline through flange device 13, the upper end of blowdown pipe 9 is connected to the filter pipeline on the side flange device 13 of inlet 2, the lower end passes through the bottom of filter cartridge 1, and extends to the blowdown place, the filter pipeline between inlet 2 and blowdown pipe 9 is equipped with first shut-off valve 4, the filter pipeline between outlet 3 and filter element 6 is equipped with second shut-off valve 5, blowdown pipe 9 is equipped with third shut-off valve 8, one end of backwashing pipeline 7 is connected to the filter pipeline between inlet 2 and first shut-off valve 4, the other end is connected to the filter pipeline between filter element 6 and second shut-off valve 5, the filter cartridge 1 above filter element 6 is equipped with maintenance hole, the dismounting door 10 is set maintenance hole, one side is connected with filter cartridge 1 through hinge, the other side is connected with filter cartridge 1 through buckle one 12, the top surface of dismounting door 10 is equipped with handle 11 near buckle one 12 side, and the width of dismounting door 10 is greater than the distance between two flange devices 13.

[0024] The flange device 13 comprises a first flange 14, a second flange 15, a connecting piece 16, a plug-in piece 18 and a locking rod 20, the upper parts of the first flange 14 and the second flange 15 are horizontally provided with connecting grooves in corresponding positions, the connecting piece 16 is provided with a plug hole 17, the top of the second flange 15 is vertically provided with a plug-in groove 25, the bottom of the plug-in piece 18 is provided with a plug-in rod 19, the top is provided with a handle 26 in the middle, the connecting piece 16 is horizontally inserted into the connecting groove, the plug-in rod 19 is vertically inserted into the plug-in groove 25, and the plug-in rod 19 passes through the plug hole 17, the middle of the locking rod 20 is connected with the side of the plug-in piece 18 through a support hinge 22, the upper end of the locking rod 20 is provided with a pressing part 24 which is outwardly tilted, the upper end of the locking rod 20 is connected with the side of the plug-in piece 18 through a spring 23, and the lower end of the locking rod 20 is provided with a locking hook 21, the side of the second flange 15 is provided with a locking hook which is matched with the locking hook 21 in a position corresponding to the locking hook 21, the locking hooks 21 are in a mutual interlocking locking state during filter operation, and the bottom surfaces of the first flange 14 and the second flange 15 are connected through buckles two 27.

[0025] The working process of the utility model:

[0026] When the utility model is used, the outlet 3 is connected with the nozzle of the spray dust falling device, the first cut-off valve 4 and the second cut-off valve 5 are opened, the third cut-off valve 8 is closed, the water produced after the spray dust falling operation of the coal mine underground working face roadway enters the filter pipeline through the inlet 2, is filtered after the filter core 6 and is discharged from the outlet 3 to enter the spray dust falling device;

[0027] When the filter core 6 is used for a long time and the filter efficiency is low due to the accumulation of more pollutants on the filter core 6, the third cut-off valve 8 is opened, the first cut-off valve 4 and the second cut-off valve 5 are closed, at this time, the water entering from the inlet 2 flows to the outlet 3 side along the backwashing pipeline 7 and enters the filter core 6 reversely, the pollution accumulation in the filter core 6 is backwashed, and the pollution and sewage are discharged from the sewage pipe 9 and are drained to the sewage pool;

[0028] When the filter core 6 needs to be replaced due to repeated filter washing, the buckle one 12 is opened, the handle 11 is used to open the dismounting door 10, the buckle two 27 is opened first, then the pressing part 24 is pressed by hand, the spring 23 is compressed, the locking hook 21 is tilted and separated from the locking hook of the second flange 15, at this time, the filter core 6 is taken out for replacement and maintenance after the flange device 13 on both sides of the filter core 6 is unlocked;

[0029] When the filter core 6 needs to be installed, open the dismounting door 10, put the filter core 6 into the filter cylinder 1 from the maintenance hole, make the flanges on both ends match the flanges on the filter pipes, first buckle the bottom buckle 27, then insert the connecting piece 16 into the connecting groove, hold the handle 26 to insert the plug-in rod 19 into the plug-in groove 25 and through the plug hole 17, under the action of the spring 23, the locking hook 21 and the locking hook on the second flange 15 are locked, after the flange devices 13 on both sides of the filter core 6 are installed, the replacement work is completed.

Claims

1. A pipeline filter that is easy to disassemble, characterized in that, The system includes a filter cartridge (1), a filter element (6), a backwashing pipe (7), a drain pipe (9), a disassembly door (10), and a flange device (13). The filter cartridge (1) contains a filter pipe with both ends extending out of the filter cartridge (1), one end being an inlet (2) and the other an outlet (3). The filter element (6) is connected to the middle of the filter pipe via the flange device (13). The upper end of the drain pipe (9) is connected to the filter pipe next to the flange device (13) on the inlet (2) side, and the lower end extends through the bottom of the filter cartridge (1) to the drain point. The filter pipe between the inlet (2) and the drain pipe (9)... A first shut-off valve (4) is provided, a second shut-off valve (5) is provided on the filter pipe between the outlet (3) and the filter element (6), a third shut-off valve (8) is provided on the drain pipe (9), one end of the backwash pipe (7) is connected to the filter pipe between the inlet (2) and the first shut-off valve (4), and the other end is connected to the filter pipe between the filter element (6) and the second shut-off valve (5). A maintenance hole is provided on the filter cylinder (1) directly above the filter element (6), and the disassembly door (10) is provided on the maintenance hole, one side of which is connected to the filter cylinder (1) by a hinge, and the other side of which is connected to the filter cylinder (1) by a snap-fit ​​(12).

2. The easily disassembled pipeline filter according to claim 1, characterized in that, The flange device (13) includes a first flange (14), a second flange (15), a connector (16), a plug-in component (18), and a locking rod (20). The first flange (14) and the second flange (15) have horizontally connected grooves at corresponding positions on their upper parts. The connector (16) has a plug hole (17). The second flange (15) has a vertically connected groove (25) at its top. The plug-in component (18) has a plug rod (19) at its bottom. The connector (16) is horizontally connected... Insert the connecting rod (19) vertically into the connecting groove (25) and pass through the insertion hole (17). The middle part of the locking rod (20) is connected to the side of the connecting member (18) through the supporting hinge (22). The upper end of the locking rod (20) is provided with an outwardly raised pressing part (24). The lower end of the locking rod (20) is provided with a locking hook (21). The side of the second flange (15) is provided with a locking hook that matches the locking hook (21).

3. The easily disassembled pipeline filter according to claim 1, characterized in that, The filter pipe and backwash pipe (7) are both made of pipe with an elliptical cross section.

4. The easily disassembled pipeline filter according to claim 1, characterized in that, The top surface of the disassembly door (10) is provided with a handle (11) near the buckle (12).

5. A pipeline filter that is easy to disassemble according to claim 1, characterized in that, The width of the disassembly door (10) is greater than or equal to the distance between the two flange devices (13).

6. A pipeline filter that is easy to disassemble according to claim 2, characterized in that, The upper end of the locking rod (20) is connected to the side of the connector (18) via a spring (23).

7. A pipeline filter that is easy to disassemble according to claim 2, characterized in that, A handle (26) is provided in the middle of the top surface of the connector (18).

8. A pipeline filter that is easy to disassemble according to claim 2, characterized in that, The bottom surfaces of the first flange (14) and the second flange (15) are connected by snap fastener (27).

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