CN212174525U

CN212174525U - Disc type oily sewage filtering device

Info

Publication number: CN212174525U
Application number: CN202020696649.2U
Authority: CN
Inventors: 唐述山
Original assignee: Anhui Weilun Environmental Protection Technology Co ltd
Current assignee: Anhui Weilun Environmental Protection Technology Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-18
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a disk type oily sewage filter equipment, including one-level filter vat and second grade filter vat, one-level filter vat and second grade filter vat all include the casing, are provided with the filtration filler, and the below that corresponds the second baffle in the casing is provided with the video disc filter, and the bottom of video disc filter is provided with the outlet pipe, and the outlet pipe has all concatenated the water pump, and the outlet pipe of one-level filter vat communicates the second grade filter vat. The two-stage filtration design is adopted, the oil content in the discharged water is effectively reduced, fine oil drop particles float upwards due to different oil-water densities, the fine oil drop particles are gathered in an oil collecting area through the filtration filler, the filtration filler is made of advanced high-molecular oleophobic materials, the sewage at the lower part enters the disc type filter, the disc type filtration device at the lower part is different from the disc type filtration barrel at the first stage, the thickness, the distance and the surface capture factors of discs are adopted, the oil-containing sewage passes through the second stage disc type filter and then is discharged, the back washing is carried out by the two stage disc type filters according to the pressure difference or time setting, and the long-term continuous stable.

Description

Disc type oily sewage filtering device

Technical Field

The utility model belongs to the technical field of sewage treatment, especially, relate to a disk type oily sewage filter equipment.

Background

The oil exploitation is carried out in three stages of primary oil recovery, Baidu secondary oil recovery and tertiary oil recovery, and the recovery rates of the three stages are respectively 10% -15%, 30% -50% and 50% -70%. As the oil field in China enters the middle and later high water content exploitation stages, the exploitation strength of each oil field is continuously increased for stable yield, and the yield of the oilfield produced water is increased.

The oily sewage pollutes the surrounding environment and destroys the ecological environment, and the oily sewage containing carcinogenic substances can also be transmitted to human beings through surrounding plants or animals. If oily sewage flows into soil, great harm can be caused to the soil, the oily sewage can be accumulated in a large amount in the soil and plant roots, the exchange efficiency of the soil and the roots and the external air can not be greatly reduced, effective exchange can not be carried out, the metabolism speed is gradually reduced, the plants die gradually, and the polluted plants also form great threat to the health and survival of human beings. The main problem to be solved is the problem of high content in sewage caused by incomplete cleaning of oily sewage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disk type oily sewage filter equipment, the problem of main solution is because the oily sewage clearance is not thorough, leads to the problem that contains the gauge height in the sewage.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

disc type oily sewage filtering device

The filter barrel comprises a primary filter barrel and a secondary filter barrel, wherein the primary filter barrel and the secondary filter barrel both comprise shells, a first partition plate and a second partition plate are sequentially arranged at the upper part in the shells, the first partition plate and the second partition plate are both provided with water permeable holes, and filter fillers are arranged between the first partition plate and the second partition plate;

a disc filter is arranged in the shell below the second partition plate, the disc filter is installed at the bottom of the shell through a support, a water outlet pipe communicated with the inside of the disc filter is arranged at the bottom of the disc filter, the water outlet pipe is connected with a water pump in series, a water inlet pipe is arranged on the side wall of the shell at a position corresponding to the disc filter, a sludge outlet is arranged at the lower part of the shell, and an oil outlet pipe is arranged at a part of the shell above the first partition plate;

and the water outlet pipe of the primary filter barrel is communicated with the secondary filter barrel.

Further, a disk type oily sewage filter device, the disk filter includes first backup pad and second backup pad, evenly be provided with a plurality of polished rods between first backup pad and the second backup pad, the both ends of polished rod rigid coupling first backup pad and second backup pad respectively, the polished rod is provided with a plurality of discs, the polished rod passes the disc that corresponds the position and with the partial sliding fit that passes of disc.

Further, a disc type oily sewage filtering device, a spring is arranged between the upper side of the first supporting plate and the second partition plate, and the polish rod penetrates through the first supporting plate and is in sliding fit with the penetrating part of the first supporting plate.

Further, a disk type oily sewage filter equipment, the circumference side of spring evenly is provided with a plurality of telescopic links, the both ends of telescopic link rigid coupling respectively in second baffle and first backup pad.

Further, a disk type oily sewage filtering device, wherein the disk is annular, and the thickness of the outer ring side of the disk is excessive from thin to thick.

The utility model discloses following beneficial effect has:

(1) the two-stage filtering design is adopted, the oil content in the discharged water is effectively reduced, oily sewage firstly enters a first-stage filtering barrel, fine oil drop particles float upwards due to different oil-water densities and are gathered in an oil collecting area through a filtering filler, the filtering filler is made of an advanced high-molecular oleophobic material, the sewage at the lower part enters a disc type filter, the core technology is a disc type, the disc type filtering barrel has the characteristic of efficiently intercepting oil and water, two adjacent disc types are superposed, the edges of grooves on the adjacent surfaces of the two disc types form a plurality of cross points, and during filtering, the passages cause turbulence of water, and finally impurities and oil in the water are stopped at each cross point.

(2) The disc type filtering device at the lower part is different from the primary disc type filtering barrel in that the thickness, the distance and the surface capture factors of discs are adopted, the oily sewage passes through the secondary disc type filter and then flows out, and the two stages of disc type filters carry out back flushing according to pressure difference or time setting, so that the long-term continuous and stable operation of the disc type filtering device is ensured.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1: the utility model discloses the schematic structure.

FIG. 2: the utility model discloses second baffle structure picture.

FIG. 3: the utility model discloses video disc structure chart.

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a primary filter barrel 1, a secondary filter barrel 2, a shell 3, a first partition plate 31, a second partition plate 32, a water permeable hole 33, a filter filler 34, a disc filter 4, a bracket 35, a water outlet pipe 41, a water pump 42, a water inlet pipe 36, a sludge outlet 37, an oil outlet pipe 38, a first support plate 43, a second support plate 44, a polished rod 45, a disc 46, a spring 5 and an expansion rod 51.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1-3: disc type oily sewage filtering device

The filter device comprises a primary filter barrel 1 and a secondary filter barrel 2, wherein the primary filter barrel 1 and the secondary filter barrel 2 both comprise a shell 3, a first partition plate 31 and a second partition plate 32 are sequentially arranged at the upper part in the shell 3, the first partition plate 31 and the second partition plate 32 are both provided with water permeable holes 33, and a filter filler 34 is arranged between the first partition plate 31 and the second partition plate 32;

a disc filter 4 is arranged in the shell 3 corresponding to the lower part of the second partition plate 32, the disc filter 4 is installed at the bottom of the shell 3 through a bracket 35, a water outlet pipe 41 communicated with the inside of the disc filter 4 is arranged at the bottom of the disc filter 4, water pumps 42 are connected in series with the water outlet pipe 41, a water inlet pipe 36 is arranged on the side wall of the shell 3 corresponding to the disc filter 4, a sludge outlet 37 is arranged at the lower part of the shell 3, and an oil outlet pipe 38 is arranged at the part of the shell 3 corresponding to the part above the first partition plate 31;

the water outlet pipe 41 of the primary filter barrel 1 is communicated with the secondary filter barrel 2.

The difference of one-level filter vat and second grade filter vat lies in: the filter filling materials between the first partition plate and the second partition plate are different, the disc filter filtering units are different, the primary filter barrel performs coarse filtration on sewage, the secondary filter barrel performs fine filtration, the two polar filter barrels are respectively provided with a water pump, and due to different filtering rates, the disc filter can generate a back-flushing effect from inside to outside under the condition of high water pressure, so that sludge adsorbed on the surface of the disc filter can be removed, and the sludge falls on the middle lower part of the shell after falling off to be cleaned through a sludge outlet.

As shown in fig. 1: the disc filter 4 comprises a first supporting plate 43 and a second supporting plate 44, a plurality of polish rods 45 are uniformly arranged between the first supporting plate 43 and the second supporting plate 44, two ends of each polish rod 45 are fixedly connected with the first supporting plate 43 and the second supporting plate 44 respectively, the polish rods 45 are provided with a plurality of discs 46, and the polish rods 45 pass through the discs 46 at corresponding positions and are in sliding fit with the passing parts of the discs 46.

As shown in fig. 1: a spring 5 is provided between the upper side of the first support plate 43 and the second partition plate 32, and the polish rod 45 passes through the first support plate 43 and is in sliding fit with the passing portion of the first support plate 43. The spring is used for elastically controlling the interval between the discs.

As shown in fig. 1: a plurality of telescopic rods 51 are uniformly arranged on the circumferential side of the spring 5, and two ends of each telescopic rod 51 are fixedly connected to the second partition plate 32 and the first supporting plate 43 respectively. The telescopic rod consists of a sleeve and a sliding rod and is used for providing sliding stability of the first supporting plate.

As shown in fig. 3: the disk 46 is annular, and the thickness of the disk 46 from the outer ring side to the inner ring side is excessive. When the water pressure at the outer side is larger, the distance between the discs is automatically contracted, the distance and the flow rate are controlled, and stable filtration is realized.

The oil-containing sewage firstly enters a first-stage filter barrel, fine oil drop particles float upwards due to different oil-water densities and are gathered in an oil collection area through a filter filler, the filter filler is made of advanced high-molecular oleophobic materials, and the filter filler has efficient coalescence oil removal characteristics through surface modification; sewage at the lower part enters a disc type filter, and the filtering mechanism of the disc type filter is that the combination of surface filtering and deep filtering is realized through compressed plastic lamination. The core technology is a disc, which is composed of a group of discs with grooves on two sides in different directions, the material of the disc is processed by a special technology, which has the characteristic of high-efficiency oil-blocking and water-passing, two adjacent discs are superposed, the edges of the grooves on the adjacent surfaces form a plurality of cross points, the cross points form a large number of cavities and irregular passages, and the passages are continuously reduced from outside to inside. These passages cause turbulence in the water during filtration, eventually causing the impurities and oil in the water to be trapped at the various intersections.

A stack of stacked sheets is mounted on the filter element frame, and forms an outer loose and inner tight filter unit under the pressure of the spring and the incoming water. The removal rate of the disc type filter can float oil and part of emulsified oil, the effluent of the disc type filter enters a secondary filter barrel, the secondary filter device filters filler different from the primary filter filler according to the characteristics of primary effluent, a special process is adopted, active substances are attached to the surface of the filler, the emulsified oil and dissolved oil in oily sewage are further removed, and the disc type filter device at the lower part is different from the primary disc type filter barrel and is the capture factor of the thickness, the distance and the surface of discs. The oily sewage passes through a secondary disc type filter and then is discharged. The two-stage disc type filter carries out back flushing according to the pressure difference or time setting, and the long-term continuous and stable operation of the disc type filter device is ensured.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a disk type oily sewage filter equipment which characterized in that:

the filter barrel comprises a primary filter barrel (1) and a secondary filter barrel (2), wherein the primary filter barrel (1) and the secondary filter barrel (2) both comprise a shell (3), a first partition plate (31) and a second partition plate (32) are sequentially arranged at the upper part in the shell (3), water permeable holes (33) are formed in the first partition plate (31) and the second partition plate (32), and filter filler (34) is arranged between the first partition plate (31) and the second partition plate (32);

a disc filter (4) is arranged in the shell (3) and below the second partition plate (32), the disc filter (4) is installed at the bottom of the shell (3) through a support (35), a water outlet pipe (41) communicated with the interior of the disc filter (4) is arranged at the bottom of the disc filter (4), water pumps (42) are connected in series with the water outlet pipe (41), a water inlet pipe (36) is arranged on the side wall of the shell (3) and at the position corresponding to the disc filter (4), a sludge outlet (37) is arranged at the lower part of the shell (3), and an oil outlet pipe (38) is arranged on the part of the shell (3) corresponding to the part above the first partition plate (31);

and a water outlet pipe (41) of the primary filter barrel (1) is communicated with the secondary filter barrel (2).

2. The disc-type oily sewage filtering device according to claim 1, which is characterized in that: the disc filter (4) comprises a first supporting plate (43) and a second supporting plate (44), a plurality of polish rods (45) are uniformly arranged between the first supporting plate (43) and the second supporting plate (44), two ends of each polish rod (45) are fixedly connected with the first supporting plate (43) and the second supporting plate (44) respectively, the polish rods (45) are provided with a plurality of discs (46), and the polish rods (45) penetrate through the discs (46) at corresponding positions and are in sliding fit with the penetrating parts of the discs (46).

3. The disc-type oily sewage filtering device according to claim 2, which is characterized in that: a spring (5) is arranged between the upper side of the first supporting plate (43) and the second partition plate (32), and the polish rod (45) penetrates through the first supporting plate (43) and is in sliding fit with the penetrating part of the first supporting plate (43).

4. The disc-type oily sewage filtering device according to claim 3, which is characterized in that: the circumference side of spring (5) evenly is provided with a plurality of telescopic links (51), the both ends of telescopic link (51) rigid coupling respectively in second baffle (32) and first backup pad (43).

5. The disc-type oily sewage filtering device according to claim 2, which is characterized in that: the disc (46) is annular, and the thickness of the disc (46) from the outer ring side to the inner ring side is increased.