CN215939225U

CN215939225U - Special filter for oily sewage

Info

Publication number: CN215939225U
Application number: CN202122121607.3U
Authority: CN
Inventors: 朱福龙
Original assignee: Hangzhou Fuyang Fuyuan Environmental Protection Technology Co ltd
Current assignee: Hangzhou Fuyang Fuyuan Environmental Protection Technology Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-03-04
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a special filter for oily sewage, which relates to the field of filters and comprises a filtering shell, wherein a guide plate is obliquely arranged on the upper half part in the filtering shell, a first water-oil interface induction head is arranged on the inner wall of the filtering shell and positioned above the guide plate, a first valve is arranged at one end of the guide plate, and an oil distributing pipe is connected to the bottom of the other end of the guide plate. According to the utility model, the guide plate is arranged at the upper half part in the filtering shell, an oil-water mixture falls on the guide plate through the inlet of the filtering shell, lower water is filtered layer by layer through the filtering net through the first valve until the first water-oil interface induction head induces an oil-water interface, the first valve is closed, the second valve is opened, the remaining oil-water falls into the oil distribution pipe with a smaller cross section, the third valve is opened, water below the oil level is discharged, the third valve is closed when the second water-oil interface induction head induces the oil-water, and the oil suction pump can suck the oil, so that the filtering net is prevented from being blocked due to the contact with the oil.

Description

Special filter for oily sewage

Technical Field

The utility model relates to the field of filters, in particular to a special filter for oily sewage.

Background

The filter is an indispensable device on a medium conveying pipeline, is usually arranged at a pressure reducing valve, a pressure release valve, a constant water level valve and inlet end equipment of other equipment of a squaring filter, consists of a cylinder body, a stainless steel filter screen, a pollution discharge part, a transmission device and an electric control part, impurities of water to be treated are blocked after the water passes through a filter cartridge of the filter screen of the filter, when the water is required to be cleaned, the detachable filter cartridge is only required to be taken out, and the water is treated and then is filled again, so that the use and the maintenance are very convenient.

The existing special filter for oily sewage generally filters impurities in water and then separates oil from water during filtering.

However, when impurities are filtered firstly, oil may adhere to the filter screen to cause the filter screen to be blocked, the existing special filter for oily sewage is not thoroughly separated during oil-water separation, and the blocked filter screen is generally not convenient to clean because whether the filter screen is replaced is determined according to the use duration.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a special filter for oily sewage, which aims to solve the technical problems that when impurities are firstly filtered by the existing special filter for oily sewage, oil can be adhered to a filter screen to cause the blockage of the filter screen, and the existing special filter for oily sewage is not separated thoroughly during oil-water separation, so that the blocked filter screen is not convenient to clean.

In order to achieve the purpose, the utility model provides the following technical scheme: a special filter for oily sewage comprises a filter shell, wherein a guide plate is obliquely arranged at the upper half part inside the filter shell, a first water-oil interface induction head is arranged on the inner wall of the filter shell and positioned above the guide plate, a first valve is arranged at one end of the guide plate, an oil distribution pipe is connected to the bottom of the other end of the guide plate, a second valve is arranged at the top end inside the oil distribution pipe, a third valve is arranged at the bottom end inside the oil distribution pipe, a second water-oil interface induction head is arranged on one side of the inner wall of the oil distribution pipe and positioned above the third valve, an oil suction pump with an input end connected with the oil distribution pipe is arranged on one end, close to the oil distribution pipe, of the outer wall of the filter shell and positioned above the second water-oil interface induction head, a plurality of layers of filter screens are arranged inside the filter shell and a water level inductor is arranged on one side of the inner wall of the filter shell and positioned above each layer of filter screen, and an indicator light matched with the water level sensor above the filter screen layer is arranged above each filter screen layer on one side of the front surface of the filter shell.

Through adopting above-mentioned technical scheme, guide plate and the first water oil interface inductive head control of first valve accessible are with water oil separating, divide oil pipe can be with two oily water further separation, and the filter screen can filter water, and the water level inductor can indicate that operator's that layer of filter screen blocks up with the pilot lamp cooperation.

The utility model is further arranged that the two sides and the back of the inner wall of the filtering shell are provided with a plurality of groups of slots respectively matched with each layer of filtering net, and the front of the filtering shell is rotationally connected with a sealing door matched with all the filtering nets.

By adopting the technical scheme, the slots can limit the positions of the filter screens, and the sealing door can seal the filter shell and can fix the filter screens.

The utility model is further arranged in that a fixed block is arranged at one end of the front face of the closed door, and a buckling block matched with the fixed block is rotatably connected to one side of the filtering shell.

Through adopting above-mentioned technical scheme, the fixed block cooperates with the knot piece, can be fixed with the closed door.

The utility model is further provided that the inlet and outlet of the filtering shell are provided with flange plates, and four corners of the bottom of the filtering shell are provided with bottom feet.

Through adopting above-mentioned technical scheme, the ring flange is convenient for filter casing and external pipe connection, and the footing is convenient for make filter casing unsettled, is convenient for filter casing exit end and external pipe connection.

The utility model is further arranged in such a way that a distribution plate is arranged between the oil distribution pipe and the uppermost layer of the filter screen in the filter shell, and the inlet end of the oil suction pump and the second water-oil interface induction head are positioned on the same horizontal line.

By adopting the technical scheme, the distribution plate can uniformly distribute water on the filter screen, and the inlet of the oil suction pump is inclined upwards so as to facilitate the water-oil separation more thoroughly.

The utility model is further arranged that the first valve is positioned at the higher end of the deflector, and the oil distribution pipe is positioned at the lower end of the deflector.

Through adopting above-mentioned technical scheme, divide oil pipe to be located the lower one end of guide plate and can be convenient for divide oil pipe to gather the profit.

The utility model is further set that the inclination angle of the guide plate is not suitable to be too large.

Through adopting above-mentioned technical scheme, guide plate inclination is little can prevent that more ponding from remaining in the lower one end of guide plate.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, the guide plate is arranged at the upper half part in the filtering shell, an oil-water mixture falls on the guide plate through the inlet of the filtering shell, water below the oil-water mixture is filtered layer by layer through the filtering net through the first valve until the first oil-water interface sensing head senses an oil-water interface, the first valve is closed, the second valve is opened, the remaining oil-water falls into the oil distribution pipe with a smaller cross section, the third valve is opened, water below the oil level is discharged, the third valve is closed when the second oil-water interface sensing head senses the oil-water, the oil can be sucked away by the oil suction pump, and the filtering net is prevented from being blocked due to the contact with the oil;

2. according to the utility model, the water level sensors are arranged on the inner wall of the filtering shell above each filter screen, and the indicator lamps matched with the water level sensors on the layer of filter screens are arranged on one side of the front surface of the filtering shell above each filter screen.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of the closed configuration of the present invention;

fig. 3 is a schematic structural view of the present invention when opened.

In the figure: 1. a filter housing; 2. a baffle; 3. a first water-oil interface induction head; 4. a first valve; 5. an oil distributing pipe; 6. a second valve; 7. a third valve; 8. a second water-oil interface induction head; 9. an oil suction pump; 10. a filter screen; 11. a slot; 12. a closing door; 13. a water level sensor; 14. an indicator light; 15. a fixed block; 16. buckling blocks; 17. footing; 18. a flange plate; 19. a distribution plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A filter special for oily sewage comprises a filtering shell 1, a guide plate 2 is obliquely arranged at the upper half part in the filtering shell 1 to control the flow direction of oil and water, a first oil and water interface induction head 3 is arranged on the upper part of the inner wall of the filtering shell 1 and positioned above the guide plate 2, a first valve 4 is arranged at one end of the guide plate 2, the first oil and water interface induction head 3 can control the opening and closing of the first valve 4 to control the primary separation of the oil and water, an oil distributing pipe 5 is connected with the bottom of the other end of the guide plate 2 and can gather the remaining oil and water, a second valve 6 is arranged at the top end in the oil distributing pipe 5 and can control the time for the remaining oil and water to enter the oil distributing pipe 5, a third valve 7 is arranged at the bottom end in the oil distributing pipe 5, a second oil and water interface induction head 8 is arranged on one side of the inner wall of the oil distributing pipe 5 and positioned above the third valve 7, and the second oil and water interface induction head 8 can control the opening and closing of the third valve 7 to further separate the oil and water, and the one end that filters the casing 1 outer wall and is close to and divides oil pipe 5 is located second water oil interface inductive head 8 top and installs the oil absorption pump 9 that the input is connected with branch oil pipe 5, can take out the oil after the separation, it is provided with multilayer filter screen 10 to filter 1 inside being located branch oil pipe 5 below, can filter the impurity of aquatic, and filter 1 inner wall one side and be located every layer of filter screen 10 top and all install water level inductor 13, filter 1 positive one side and be located every layer of filter screen 10 top and all install with this layer of filter screen 10 top water level inductor 13 complex pilot lamp 14, water level inductor 13 and pilot lamp 14 cooperation can indicate that operator's certain layer of filter screen 10 blocks up.

Referring to fig. 1-3, the inner wall of the filter housing 1 has a plurality of slots 11 formed on both sides and the back thereof for engaging with each layer of filter screen 10, respectively, to limit the position of the filter screen 10, and the front of the filter housing 1 is rotatably connected with a sealing door 12 engaging with all the filter screens 10, so as to seal the filter housing 1 and fix the filter screens 10.

Referring to fig. 1 and 2, a fixing block 15 is disposed at one end of the front surface of the sealing door 12, a fastening block 16 matched with the fixing block 15 is rotatably connected to one side of the filtering casing 1, and the fixing block 15 is matched with the fastening block 16 to fix the sealing door 12.

Referring to fig. 1-3, flanges 18 are disposed at the inlet and outlet of the filtering housing 1 to facilitate connection of the filtering housing 1 with external pipelines, and feet 17 are disposed at four corners of the bottom of the filtering housing 1 to suspend the filtering housing 1 and facilitate connection of the outlet end of the filtering housing 1 with external pipelines.

Referring to fig. 1, a distribution plate 19 is disposed between the oil distribution pipe 5 and the uppermost filter screen 10 inside the filter housing 1, so that water can be uniformly distributed on the filter screen 10, the inlet end of the oil suction pump 9 and the second water-oil interface inductive head 8 are located on the same horizontal line, and the inlet of the oil suction pump 9 is inclined upward so as to facilitate the water-oil separation more thoroughly.

Referring to fig. 1, the first valve 4 is located at the higher end of the deflector 2, the oil distribution pipe 5 is located at the lower end of the deflector 2, and the oil distribution pipe 5 is located at the lower end of the deflector 2 to facilitate the oil distribution pipe 5 to gather oil and water.

Referring to fig. 1, the inclination angle of the baffle 2 should not be too large, so as to prevent more accumulated water from remaining at the lower end of the baffle 2.

The working principle of the utility model is as follows: when in use, the sewage discharge pipe is connected with the top inlet end of the filtering shell 1 through the flange plate 18, the collecting pipe is connected with the bottom outlet end of the filtering shell 1 through the flange plate 18, the oil receiving pipe is connected with the outlet of the oil suction pump 9, sewage enters through the top inlet of the filtering shell 1, after standing for a period of time on the guide plate 2 to enable oil to float on the water surface, the first valve 4 is opened, water below the oil falls on the distribution plate 19, when the first water-oil interface sensing head 3 senses the water-oil interface, the first valve 4 is closed, then the second valve 6 is opened, the water and the oil flow into the oil distribution pipe 5 due to the inclination of the guide plate 2, the area of the liquid surface is reduced, the height of the water is increased, then the third valve 7 is opened, the water flows out of the distribution plate 19, when the second water-oil interface sensing head 8 senses the oil-water interface sensing head 8, the third valve 7 is closed, and the oil-water separation can be more thorough, the oil suction pump 9 can suck out the separated oil, the distribution plate 19 uniformly distributes the water on the filter screen 10, the separated oil is filtered layer by the filter screen 10 and then is discharged into the collecting pipe through the outlet of the filter shell 1, when the water level above a certain layer of the filter screen 10 reaches the height of the water level sensor 13, and meanwhile, after the height is kept for a certain time, the water level sensor 13 lights the indicator lamp 14 corresponding to the control, so as to prompt an operator that the filter screen 10 on the layer needs to be cleaned, the operator can rotate the buckling block 16 to be separated from the fixed block 15, open the closed door 12, the filter screen 10 is taken out for cleaning, after the cleaning is finished, the filter screen 10 can be inserted into the slot 11 again, then the closed door 12 can be closed, the bottom foot 17 can be convenient for suspending the filter shell 1, and the outlet end of the filter shell 1 is connected with an external pipeline.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a special filter of oily sewage, includes filtering shell (1), its characterized in that: the upper half part inside the filtering shell (1) is obliquely provided with a guide plate (2), the inner wall of the filtering shell (1) is positioned above the guide plate (2) and is provided with a first water-oil interface induction head (3), one end of the guide plate (2) is provided with a first valve (4), the bottom of the other end of the guide plate (2) is connected with an oil distribution pipe (5), the top end inside the oil distribution pipe (5) is provided with a second valve (6), the bottom end inside the oil distribution pipe (5) is provided with a third valve (7), one side of the inner wall of the oil distribution pipe (5) is positioned above the third valve (7) and is provided with a second water-oil interface induction head (8), one end of the outer wall of the filtering shell (1) close to the oil distribution pipe (5) is positioned above the second water-oil interface induction head (8) and is provided with an oil suction pump (9) with an input end connected with the oil distribution pipe (5), and the inside of the filtering shell (1) is positioned below the oil distribution pipe (5) and is provided with a plurality of layers of filtering screens (10), and one side of the inner wall of the filtering shell (1) is positioned above each layer of the filtering net (10) and is provided with a water level sensor (13), and one side of the front surface of the filtering shell (1) is positioned above each layer of the filtering net (10) and is provided with an indicator light (14) matched with the water level sensor (13) above the layer of the filtering net (10).

2. The special filter for oily sewage according to claim 1, which is characterized in that: the filter shell is characterized in that a plurality of groups of slots (11) matched with each layer of filter screen (10) are formed in the two sides and the back of the inner wall of the filter shell (1), and a sealing door (12) matched with all the filter screens (10) is rotatably connected to the front of the filter shell (1).

3. The filter special for oily sewage according to claim 2, which is characterized in that: a fixing block (15) is arranged at one end of the front face of the closed door (12), and a buckling block (16) matched with the fixing block (15) is rotatably connected to one side of the filtering shell (1).

4. The special filter for oily sewage according to claim 1, which is characterized in that: the inlet and outlet of the filtering shell (1) are provided with flange plates (18), and four corners of the bottom of the filtering shell (1) are provided with bottom feet (17).

5. The special filter for oily sewage according to claim 1, which is characterized in that: the oil filter is characterized in that a distribution plate (19) is arranged between the oil distribution pipe (5) and the uppermost layer of the filter screen (10) inside the filter shell (1), and the inlet end of the oil suction pump (9) and the second water-oil interface induction head (8) are located on the same horizontal line.

6. The special filter for oily sewage according to claim 1, which is characterized in that: the first valve (4) is located at the higher end of the guide plate (2), and the oil distribution pipe (5) is located at the lower end of the guide plate (2).

7. The special filter for oily sewage according to claim 1, which is characterized in that: the inclination angle of the guide plate (2) is not too large.