Filtering device for sewage

Abstract

The sewage filtering device comprises an upper sealing cover, a cylinder body, a butt joint part, a top pressing mechanism, a bottom pressing mechanism, a supporting part and a filtering part, the bottom end of the outer wall of the cylinder body is arranged on the ground through a bracket; the upper sealing cover is arranged at the top end of the cylinder body, an inner cavity of the upper sealing cover is communicated, and the upper sealing cover is connected with the cylinder body through a butt joint part; the jacking mechanism is arranged at the top end of the upper sealing cover; the bottom pressing mechanism is arranged at the bottom end of the barrel; the supporting part is arranged on the inner wall of the cylinder body; the plurality of filtering parts are uniformly arranged on the supporting part in the circumferential direction of the barrel body. According to the utility model, the reliability of sewage filtration is improved, and the reliable filtration treatment of sewage is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a filter device, in particular to a device capable of reliably filtering sewage, and belongs to the technical field of filter equipment. BACKGROUND

[0002] With the high-speed development of industry, people's demand for clean water is increasing, and the precision filter device is widely used in pretreatment and filtration of various industries due to its light weight, convenient use, large filtration area, fast filtration speed, high filtration precision; The precision filter device is generally arranged before the water using equipment to remove small impurities to meet the requirements of the subsequent process on the water inlet; Its main working principle is: the shell of the precision filter device is made of high-quality stainless steel 304 or 316L, the filter core adopts a shaped filter material polypropylene fiber melt blowing, under the action of pressure, the raw liquid passes through the filter material, the filter residue remains on the filter material, and the filtrate flows out through the filter material, which can effectively remove impurities, sediments and suspended solids, bacteria in water, thereby achieving the purpose of filtration; The conventional precision filter device has the following shortcomings: first, the filter core of the precision filter device will deform during use, and gaps will be generated between the filter core and the two side sealing plugs, the plug and the baffle, when the gap increases to a certain degree, impurities carried by the water will enter from the gap and directly enter the water using equipment, and the precision filter loses its filtering effect; Second, a large amount of impurities will be filtered out after the precision filter device filters the water, part of the impurities will adhere to the PP melt blowing filter core, and the other part will remain on the inner wall and bottom of the precision filter, and the conventional precision filter has no blow-off port, so it is difficult to clean the precision filter; Finally, the conventional precision filter device only detects the pressure of the water inlet, and does not detect the water outlet, so it is difficult to determine whether the precision filter needs to be maintained or the filter core needs to be replaced; Therefore, a filter device is needed, which can reliably and efficiently filter sewage. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the defects of prior art, and provides a filter device for sewage, which can efficiently and reliably filter sewage.

[0004] The problem of the utility model is solved by the following technical scheme:

[0005] A filter device for sewage, comprising an upper cover, a cylinder, a butt joint part, a top pressing mechanism, a bottom pressing mechanism, a support part and a filter part; the bottom end of the outer wall of the cylinder is arranged on the ground through a support; the upper cover is arranged at the top end of the cylinder, and the inner cavity thereof is communicated, and the upper cover and the cylinder are connected through the butt joint part; the top pressing mechanism is arranged at the top end of the upper cover; the bottom pressing mechanism is arranged at the bottom end of the cylinder; the support part is arranged on the inner wall of the cylinder; the number of the filter parts is multiple, and they are uniformly arranged on the support part along the circumferential direction of the cylinder.

[0006] The filter device for sewage, the supporting part includes a center partition plate, a pressing plate and a center rod; the center partition plate is arranged at the lower end of the inner wall of the cylinder, and the center partition plate divides the cylinder into two layers; the side wall of the cylinder is provided with a water inlet and a water outlet, and the water inlet is located above the center partition plate, and the water outlet is located below the center partition plate; the upper end surface center of the center partition plate is connected with the bottom end of the center rod, the top end of the center rod is connected with the center of the lower end surface of the pressing plate, and the edge of the pressing plate is not in contact with the inner wall of the cylinder.

[0007] The filter device for sewage, the filter part includes a PP melt-blown filter core and a bottom connecting pipe; the PP melt-blown filter core is in a hollow cylindrical structure, and the bottom end of the PP melt-blown filter core is in sealing connection with the bottom connecting pipe; the bottom end of the PP melt-blown filter core is in communication with the bottom connecting pipe; the center partition plate is provided with a hole, and the outer wall of the bottom connecting pipe is in sealing connection with the hole on the center partition plate; the top end of the PP melt-blown filter core is closed, and the top end of the PP melt-blown filter core is connected with the bottom end surface of the pressing plate through a support.

[0008] The filter device for sewage, the butt joint part includes a clamp joint; the clamp joint is arranged at the joint between the upper cover and the cylinder.

[0009] The filter device for sewage, the top pressing mechanism includes an exhaust valve and a water inlet pressure gauge; the exhaust valve and the water inlet pressure gauge are arranged on the top end surface of the upper cover.

[0010] The filter device for sewage, the bottom pressing mechanism includes a drainage valve and a water outlet pressure gauge; the drainage valve is arranged at the bottom end of the cylinder; the water outlet pressure gauge is arranged on the side wall of the cylinder and located below the center partition plate.

[0011] The filter device for sewage, the butt joint part includes a clamp joint; the clamp joint is arranged at the joint between the upper cover and the cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0013] Figure 2 It is a sectional structure schematic view of the utility model A-A;

[0014] Figure 3 It is a sectional structure schematic view of the utility model B-B;

[0015] Figure 4 It is the partial enlarged structural schematic view of the utility model C.

[0016] The list of reference numerals in the figure is: 1. upper cover, 2. barrel, 3. center partition plate, 4. pressing plate, 5. center rod, 6. PP melt-blown filter core, 7. bottom connecting pipe, 8. clamp joint, 9. exhaust valve, 10. water inlet pressure gauge, 11. drain valve, 12. water outlet pressure gauge. DETAILED DESCRIPTION

[0017] Referring to Figure 1 , 2 , 3 and Figure 4 , the utility model includes upper cover 1, barrel 2, butt joint part, top pressing mechanism, bottom pressing mechanism, support part and filter part;The outer wall bottom end of barrel 2 is set on the ground through support;The upper cover 1 is set at the top end of barrel 2, and its inner cavity is communicated, and the upper cover 1 and barrel 2 are connected through butt joint part;The upper cover 1 can be opened, and is butt-jointed with barrel 2 through butt joint part, when needing to clean or replace filter core, the butt joint part is released, and the upper cover 1 can be opened;The top pressing mechanism is set at the top end of upper cover 1;The bottom pressing mechanism is set at the bottom end of barrel 2;The top pressing mechanism is used for monitoring the pressure of water inlet end, and the bottom pressing mechanism is used for monitoring the pressure of water outlet end;The support part is set on the inner wall of barrel 2;The number of filter part is multiple, and it is evenly set on the support part along the circumferential direction of barrel 2;Multiple filter parts filter sewage simultaneously.

[0018] The support part includes center partition plate 3, pressing plate 4 and center rod 5;The center partition plate 3 is set at the lower end of the inner wall of barrel 2, and the center partition plate 3 divides barrel 2 into two layers;The upper layer is sewage layer, and the lower layer is filtered water layer;The side wall of barrel 2 is provided with water inlet and water outlet, and the water inlet is located above the center partition plate 3, and the water outlet is located below the center partition plate 3;The upper end face center of center partition plate 3 is connected with the bottom end of center rod 5, the top end of center rod 5 is connected with the center of the lower end face of pressing plate 4, and the edge of pressing plate 4 does not contact with the inner wall of barrel 2.

[0019] The filtering part comprises a pp melt-blown filter core 6 and a bottom connecting pipe 7; the pp melt-blown filter core 6 has a hollow cylindrical structure, and the bottom end of the pp melt-blown filter core 6 is in sealing connection with the bottom connecting pipe 7; sewage is filtered when passing through the pp melt-blown filter core 6, impurities are left in the side wall of the pp melt-blown filter core 6, and clean water enters the inside of the pp melt-blown filter core 6 and then enters the lower layer through the bottom connecting pipe 7 at the bottom end; the center partition plate 3 is provided with a hole, and the outer wall of the bottom connecting pipe 7 is in sealing connection with the hole on the center partition plate 3; liquid can only enter the lower layer of the center partition plate 3 after sequentially passing through the pp melt-blown filter core 6 and the bottom connecting pipe 7; the top end of the pp melt-blown filter core 6 is closed, and the top end of the pp melt-blown filter core 6 is connected with the bottom end surface of the pressing plate 4 through a support.

[0020] The butt joint part comprises a clamp joint 8; the clamp joint 8 is arranged at the joint between the upper cover 1 and the cylinder body 2; the clamp joint 8 is used to open and close the joint between the top end of the upper cover 1 and the cylinder body 2, and the butt joint part of the upper cover 1 and the cylinder body 2 is a sealed butt joint.

[0021] The top pressing mechanism comprises an exhaust valve 9 and a water inlet pressure gauge 10; the exhaust valve 9 and the water inlet pressure gauge 10 are both arranged on the top end surface of the upper cover 1.

[0022] The bottom pressing mechanism comprises a drainage valve 11 and a water outlet pressure gauge 12; the drainage valve 11 is arranged at the bottom end of the cylinder body 2; the water outlet pressure gauge 12 is arranged on the side wall of the cylinder body 2 and is located below the center partition plate 3.

[0023] The use principle is as follows: in a normal use state, sewage enters the cylinder body 2 through the water inlet; then, after being filtered through the pp melt-blown filter core, the sewage enters the lower layer of the cylinder body through the bottom connecting pipe 7 and is discharged through the water outlet.

[0024] By comparing the pressure difference between the water inlet pressure gauge 10 and the water outlet pressure gauge 12, the filtering condition can be determined; when the pressure difference is large, it indicates that the filtering capacity of the pp melt-blown filter core 6 is invalid, and there are many impurities attached to the cylinder body 2; the filtering operation is stopped, the water in the cylinder body is drained, the clamp joint 8 and the upper cover 1 are opened, the pp melt-blown filter core 6 is taken out, the impurities attached to the inner wall of the cylinder body 2 are washed away by using a high-pressure water pipe, the dirty water is discharged by opening the drainage valve 11, and after washing, a new pp melt-blown filter core can be installed.

Claims

1. A filter device for sewage, characterised in that: The utility model provides a kind of water purifier, including upper cover (1), barrel (2), butt joint part, top pressure mechanism, bottom pressure mechanism, support part and filter part;The outer wall bottom end of barrel (2) is set on ground by support;Upper cover (1) is set in the top of barrel (2), and its inner cavity is communicated, and upper cover (1) and barrel (2) are connected by butt joint part;Top pressure mechanism is set in the top of upper cover (1);Bottom pressure mechanism is set in the bottom of barrel (2);Support part is set on the inner wall of barrel (2);The quantity of filter part is multiple, and it is evenly set on support part along the circumferential direction of barrel (2).

2. The filter device for sewage according to claim 1, characterized in that: The support part includes center partition plate (3), pressing plate (4) and center rod (5);The center partition plate (3) is set in the lower end of the inner wall of barrel (2), and the center partition plate (3) divides barrel (2) into two layers;Water inlet and water outlet are provided on the side wall of barrel (2), and the water inlet is above the center partition plate (3), and the water outlet is below the center partition plate (3);The center of the upper end surface of center partition plate (3) is connected with the bottom end of center rod (5), the top end of center rod (5) is connected with the center of the lower end surface of pressing plate (4), and the edge of pressing plate (4) is not in contact with the inner wall of barrel (2).

3. The filter device for sewage water according to claim 2, characterized in that: The filter part includes pp melt-blown filter core (6) and bottom connecting pipe (7);The structure of pp melt-blown filter core (6) is hollow cylindrical structure, and the port of the bottom end is sealedly connected with bottom connecting pipe (7), and the bottom end of pp melt-blown filter core (6) is communicated with bottom connecting pipe (7);Hole is provided on the center partition plate (3), and the outer wall of bottom connecting pipe (7) is sealedly connected with the hole on the center partition plate (3);The top port of pp melt-blown filter core (6) is closed, and the top end of pp melt-blown filter core (6) is connected with the bottom end surface of pressing plate (4) through support.

4. The filter device for sewage water according to claim 3, characterized in that: The butt joint part includes clamp joint (8);The clamp joint (8) is set in the joint of upper cover (1) and barrel (2).

5. The filter device for sewage water according to claim 4, characterized in that: The top pressure mechanism includes exhaust valve (9) and water inlet pressure gauge (10);Exhaust valve (9) and water inlet pressure gauge (10) are both set in the top end surface of upper cover (1).

6. The filter device for sewage according to claim 5, characterized in that: The bottom pressure mechanism includes drain valve (11) and water outlet pressure gauge (12);Drain valve (11) is set in the bottom end of barrel (2);Water outlet pressure gauge (12) is set on the side wall of barrel (2), and it is below the center partition plate (3).

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