CN215439926U - Deep solid and oil removing device for oil tank water drainage - Google Patents

Abstract

The utility model discloses a deep solid and oil removing device for oil tank water cutting, which comprises a coalescence-separation tank, wherein an oil recovery pipe is arranged at the top end of the coalescence-separation tank, and an oil collecting tank is arranged at one end of the oil recovery pipe. According to the utility model, large oil drops float in sewage, the oil drops are scraped by the oil scraper, and meanwhile, the micro oil drops in the sewage are coalesced by the coalescer body to ensure that the oil drops can float, the scraped oil drops flow into the oil collecting tank through the oil recovery pipe by the oil scraper so as to collect oil, thereby ensuring the utilization efficiency of the oil, meanwhile, impurities in the sewage are further removed by the sand remover, meanwhile, the sewage flows into the oil remover, the sewage is further separated in the oil remover, so that suspended matters with density smaller than that of water and the oil flow into the oil collecting tank for collection, and further, the recovery rate of the oil is improved.

Description

Deep solid and oil removing device for oil tank water drainage

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a deep solid and oil removing device for oil tank water drainage.

Background

The oil tank is a transfer station for receiving and conveying oil products, the oil products contain a small amount of water, solid particles such as sand rust and the like, the solid particles and the water can sink into the tank bottom after being precipitated for a period of time, the solid particles and the water at the tank bottom are more and more along with the increase of sewage, the timely treatment is needed, and meanwhile, a large amount of oil products are carried in the sewage, so that a special solid and oil removing device is needed to enhance the treatment of the sewage;

when having the oil tank to cut water and handling, can contain a lot of oils in the sewage, current oil tank is cut water and is handling the time, relies on the operative employee to estimate mostly, and the oil content in the sewage is judged to direct experience such as ear-listening to control water cutting speed, but manual handling oil collection efficiency is not high, causes the waste of oil, has still polluted operational environment, consequently, needs to provide further improvement to above-mentioned condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a deep solid and oil removing device for oil tank water drainage, which aims to solve the problem of low oil recovery rate in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a degree of depth to oil tank water cutting removes solid deoiling device, includes the coalescence-separation jar, oil recovery pipe is installed on the top of coalescence-separation jar, and oil recovery pipe's one end installs the oil collecting tank, the one side that oil recovery pipe was kept away from on the coalescence-separation jar top is installed the connecting pipe, and the one end of connecting pipe extends to oil recovery pipe's inside, the sewage pipe is installed to the bottom of oil collecting tank one side, and the one end of sewage pipe extends to the inside of coalescence-separation jar.

Preferably, sand guide pipe is installed to one side of coalescence-separation tank bottom end, and the main pipe valve is installed in sand guide pipe's the outside, the screw pump is installed to sand guide pipe's bottom, coalescence-separation tank bottom end is kept away from sand guide pipe and is additionally installed the defeated pipe in proper order, and the defeated outside of managing outward installs the water pipe valve, row's material pipe is installed to one side of screw pump, and arranges the outside of expecting the pipe and install the material valve.

Preferably, arrange the one end of material pipe and install the desander, and the conveyer pipe is installed to the bottom of desander, the one end of conveyer pipe extends to the inside of defeated pipe outward, one side of desander is installed except that oil pipe, and removes the oil separator is installed to the one end of oil pipe.

Preferably, the oil pump is installed to the bottom of degreaser, the blow off pipe is installed to the bottom of one side of degreaser, and the ooff valve is installed in the outside of blow off pipe, oil feed pipe is installed on the top of degreaser, and oil feed pipe's the outside and install the oil valve, the three-way pipe is installed to oil feed pipe's one end.

Preferably, the three-way pipe is designed in a U shape, and two ends of the three-way pipe extend to the inside of the oil recovery pipe.

Preferably, the buckled plate is evenly installed to the inside of coalescence-separation jar, and the oil wiper is all installed to the one end of buckled plate, the oil wiper all sets up on the inner wall of coalescence-separation jar, the inside one side of coalescence-separation jar is provided with sewage collection chamber, the inside one side of keeping away from sewage collection chamber of coalescence-separation jar is provided with coalescer entry distribution chamber, the internally mounted of the coalescence-separation jar of coalescer entry distribution chamber one side has the coalescer main part, and the inside of the coalescence-separation jar that coalescer entry distribution chamber one side was kept away from to the coalescer main part is provided with the water knockout chamber, the inside that the coalescence-separation jar of water knockout chamber one side was kept away from to the buckled plate is provided with the isolation chamber, and the inside of the coalescence-separation jar of isolation chamber one side is provided with water conservancy whirl entry chamber.

Preferably, the buckled plate is provided with a plurality of groups in the inside of coalescence-separation jar, and a plurality of groups the buckled plate is at the inside staggered distribution of coalescence-separation jar.

Compared with the prior art, the utility model has the beneficial effects that: the deep solid and oil removing device for oil tank water cutting is convenient for improving the utilization rate of oil products, oil product agglomeration and removal of solid particles in sewage to improve the sewage treatment efficiency;

(1) the method comprises the steps that large oil drops float in sewage, the oil drops are scraped through an oil scraper, meanwhile, tiny oil drops in the sewage are coalesced through a coalescer main body to ensure that the oil drops can float, the oil drops are further scraped through the oil scraper, the scraped oil drops flow into an oil collecting tank through an oil recovery pipe through the oil scraper so as to collect oil, the utilization efficiency of the oil is ensured, impurities in the sewage are further removed through a sand remover, meanwhile, the sewage flows into the oil remover, the sewage is further separated in the oil remover so that suspended matters and oil products with density smaller than that of water flow into a three-way pipe from an oil conveying pipe, then the suspended matters and the oil products flow into the oil collecting tank through an oil recovery pipe to be collected, the oil recovery rate is improved, and the scraped oil products are sent back to the oil collecting tank to be treated as finished products;

(2) the coalescer body is arranged, sewage injected into the coalescer inlet distribution cavity uniformly flows into the coalescer body, fine oil drops in the sewage are coalesced into large oil drops through the coalescer body, so that oil is convenient to collect, and meanwhile, the coalescer outlet distribution cavity is arranged so that the retention time of the sewage in the coalescer body is convenient to control, the coalescence sufficiency of the oil drops in the sewage is ensured, and the recovery efficiency of the oil is improved;

(3) through the sand guide pipe, in flowing into the screw pump with the sewage in the coalescence-separation jar, carry out the pressure boost to the screw pump, so that flow into the desander with sewage through arranging the material pipe, so as to carry out solid-liquid separation to sewage, wherein solid particle diameter can fully discharge at the solid particle more than eleven microns, flow into the defeated pipe outward through the conveyer pipe, discharge solid particle into the mud collecting vat through the defeated pipe outward, in order to ensure sewage treatment's sufficiency, simultaneously through except that oil pipe, sewage flows into in the degreaser, discharge the tiny particle in the degreaser in the sludge impoundment pipe, in order to ensure the sufficiency of edulcoration.

Drawings

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

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of a coalescer according to the utility model;

FIG. 3 is a schematic side view of a coalescer separator tank of the utility model;

FIG. 4 is a schematic diagram of the structure at A in FIG. 1 according to the present invention.

The reference numerals in the figures illustrate: 1. a coalescing separation tank; 2. a sand guide pipe; 3. a main pipe valve; 4. a screw pump; 5. a desander; 6. a delivery pipe; 7. an external delivery pipe; 8. a blow-off pipe; 9. an on-off valve; 10. an oil pump; 11. an oil remover; 12. a water pipe valve; 13. an oil delivery pipe; 14. an oil valve; 15. an oil collecting tank; 16. a sewage pipe; 17. a three-way pipe; 18. an oil recovery pipe; 19. a connecting pipe; 20. a sewage collection chamber; 21. removing the oil pipe; 22. a corrugated plate; 23. a coalescer body; 24. an oil wiper; 25. a coalescer inlet distribution chamber; 26. a coalescer outlet distribution chamber; 27. an oil-water separation chamber; 28. an isolation chamber; 29. a water conservancy rotational flow inlet cavity; 30. a discharge pipe; 31. and (4) a material valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a device for removing solid and oil aiming at the depth of oil tank water cutting comprises a coalescence-separation tank 1, wherein an oil recovery pipe 18 is installed at the top end of the coalescence-separation tank 1, an oil collecting tank 15 is installed at one end of the oil recovery pipe 18, a connecting pipe 19 is installed at one side, far away from the oil recovery pipe 18, of the top end of the coalescence-separation tank 1, one end of the connecting pipe 19 extends into the oil recovery pipe 18, a sewage pipe 16 is installed at the bottom end of one side of the oil collecting tank 15, and one end of the sewage pipe 16 extends into the coalescence-separation tank 1;

the inside of the coalescence-separation tank 1 is uniformly provided with corrugated plates 22;

the corrugated plates 22 are arranged in a plurality of groups in the coalescence-separation tank 1, and the corrugated plates 22 in the groups are distributed in the coalescence-separation tank 1 in a staggered manner;

specifically, as shown in fig. 1 and 2, in use, the interior of the coalescence-separation tank 1 is divided into a plurality of sections by arranging a plurality of groups of corrugated plates 22, so that sewage can be treated step by step to ensure the sufficiency of sewage treatment;

specifically, as shown in fig. 1 and fig. 2, in use, sewage in the oil collecting tank 15 is injected into the coalescence-separation tank 1 through the sewage pipe 16, and after the sewage is treated, collected oil products are conveyed into the oil collecting tank 15 through the oil product recovery pipe 18, so as to improve the utilization efficiency of the oil products;

an oil wiper 24 is arranged at one end of each corrugated plate 22, the oil wipers 24 are arranged on the inner wall of the coalescence-separation tank 1, a sewage collection cavity 20 is arranged at one side inside the coalescence-separation tank 1, a coalescer inlet distribution cavity 25 is arranged at one side, far away from the sewage collection cavity 20, of the coalescence-separation tank 1 at one side of the coalescer inlet distribution cavity 25, a coalescer body 23 is arranged inside the coalescence-separation tank 1 at one side of the coalescer body 23, an oil-water separation cavity 27 is arranged inside the coalescence-separation tank 1 at one side, far away from the coalescer inlet distribution cavity 25, of each corrugated plate 22, an isolation cavity 28 is arranged inside the coalescence-separation tank 1 at one side of the oil-water separation cavity 27, and a water conservancy rotational flow inlet cavity 29 is arranged inside the coalescence-separation tank 1 at one side of the isolation cavity 28;

specifically, as shown in fig. 1 and 2, in use, sewage flows into the sewage collecting cavity 20 first, solid particles with larger particle size directly sink into the bottom of the cavity sewage collecting cavity 20 due to larger density, and are periodically conveyed into the sludge collecting tank through the external conveying pipe 7, as the sewage continuously enters, the liquid level in the sewage collecting cavity 20 slowly rises, meanwhile, oil drops with larger particle size in the sewage float on the upper part of the sewage, when the liquid level reaches the corrugated plate 22, the floating oil goes to the oil scraper 24 to be scraped, the sewage enters the coalescer inlet distribution cavity 25, then the sewage uniformly enters the coalescer body 23, fine oil drops in the sewage are slowly aggregated into large oil drops through the coalescer body 23, so that the oil drops can float on the sewage, then the oil drops and the sewage flow into the coalescer outlet distribution cavity 26, so as to control the retention time of the fluid inside the coalescer body 23, to ensure the sufficiency of oil drop aggregation;

a sand guide pipe 2 is installed on one side of the bottom end of the coalescence-separation tank 1, a main pipe valve 3 is installed on the outer side of the sand guide pipe 2, a screw pump 4 is installed at the bottom end of the sand guide pipe 2, an external conveying pipe 7 is additionally installed on the bottom end of the coalescence-separation tank 1 away from the sand guide pipe 2 in sequence, a water pipe valve 12 is installed on the outer side of the external conveying pipe 7, a discharge pipe 30 is installed on one side of the screw pump 4, and a material valve 31 is installed on the outer side of the discharge pipe 30;

specifically, as shown in fig. 1 and 4, in use, the sand guide pipe 2 is arranged so as to inject sewage into the screw pump 4, the screw pump 4 is pressurized, then the sewage is discharged into the discharge pipe 30 and then flows into the desander 5, liquid-solid separation is carried out on the sewage, solid particles flow into the conveying pipe 6 and are discharged into the sludge collecting tank at regular time through the external conveying pipe 7, wherein the solid particles with the particle size of more than 11 micrometers of the oil remover can be completely discharged, and the sewage is further conveyed into the oil remover 11 through the oil removing pipe 21;

one end of the discharging pipe 30 is provided with a desander 5, the bottom end of the desander 5 is provided with a conveying pipe 6, one end of the conveying pipe 6 extends into the external conveying pipe 7, one side of the desander 5 is provided with an oil removing pipe 21, and one end of the oil removing pipe 21 is provided with an oil remover 11;

specifically, as shown in fig. 1 and fig. 2, in use, the sewage is further separated in the oil remover 11, so that suspended matters and oil products with density smaller than that of water flow into the three-way pipe 17 from the oil delivery pipe 13, then flow into the oil collecting tank 15 through the oil product recovery pipe 18 for collection, and then the oil product recovery rate is improved, so that the scraped oil products are returned into the oil collecting tank 15 to be treated as finished products;

the bottom end of the oil remover 11 is provided with an oil pump 10, the bottom end of one side of the oil remover 11 is provided with a drain pipe 8, the outer side of the drain pipe 8 is provided with a switch valve 9, the top end of the oil remover 11 is provided with an oil delivery pipe 13, the outer side of the oil delivery pipe 13 is provided with an oil valve 14, and one end of the oil delivery pipe 13 is provided with a three-way pipe 17;

the three-way pipe 17 is designed in a U shape, and two ends of the three-way pipe 17 extend into the oil recovery pipe 18;

specifically, as shown in fig. 1 and 2, when the oil remover is used, sewage is further separated in the oil remover 11, the on-off valve 9 is opened to ensure that the sewage is discharged from the sewage discharge pipe 8 to the sludge collection tank, then the oil pump 10 is opened to flow oil in the oil remover 11 into the three-way pipe 17 from the oil delivery pipe 13, and the three-way pipe 17 is designed in a U shape to ensure that the oil is conveyed faster and then flows into the oil collection tank 15 through the oil recovery pipe 18 to collect the oil.

The working principle is as follows: when the utility model is used, firstly, the cutting water in the oil collecting tank 15 is injected into the coalescence separation tank 1 from the sewage pipe 16, flows into the sewage collecting cavity 20, the solid particles with larger particle size directly sink to the bottom of the cavity sewage collecting cavity 20 due to larger density, and the solid particles in the sewage collecting cavity 20 are periodically conveyed into the sludge collecting tank from the external conveying pipe 7 by opening the water pipe valve 12 at the later stage, along with the continuous entering of sewage, the liquid level in the sewage collecting cavity 20 slowly rises, meanwhile, the oil drops with larger particle size in the sewage float on the upper part of the sewage, when the liquid level reaches the corrugated plate 22, the floating oil goes to the oil scraper 24, the sewage enters the coalescer inlet distribution cavity 25, then the sewage uniformly enters the coalescer body 23, the fine oil drops in the sewage are slowly gathered into large oil drops through the coalescer body 23, so that the oil drops can float on the sewage, then the oil drop and the sewage flow into the coalescer outlet distribution chamber 26, so as to control the residence time of the fluid in the coalescer main body 23, to ensure the sufficiency of the small oil drop aggregation, then the oil drop in the sewage is further scraped by the oil scraper 24, then the sewage and the fine oil drop further go to the oil-water separation chamber 27, the oil drop goes to the oil scraper 24, the sewage flows to the isolation chamber 28, the isolation chamber 28 can prevent the oil drop from flowing into the water conservancy rotational flow inlet chamber 29, the oil scraped by the coalescer main body 23 is conveyed to the oil collecting tank 15 through the oil recovery pipe 18 to be collected, so as to improve the utilization rate of the oil;

secondly, sewage in the water conservancy rotational flow inlet cavity 29 flows into the sand guide pipe 2, then flows into the screw pump 4 through the sand guide pipe 2, the screw pump 4 is used for pressurizing, then the sewage is discharged into the discharge pipe 30, then flows into the desander 5, liquid-solid separation is carried out on the sewage, solid particles flow into the conveying pipe 6, and then are discharged into the sludge collecting tank at regular intervals through the external conveying pipe 7, wherein the solid particles with the particle size of more than 11 microns of the oil eliminator can be completely discharged, and the sewage is further conveyed into the oil eliminator 11 through the oil eliminating pipe 21;

finally, the sewage is further separated in the oil remover 11, the on-off valve 9 is opened to ensure that the sewage is discharged from the sewage discharge pipe 8 to the sludge collecting tank, then the oil pump 10 is opened to flow the oil product in the oil remover 11 into the three-way pipe 17 from the oil delivery pipe 13, and then the oil product flows into the oil collecting tank 15 through the oil product recovery pipe 18 so as to collect the oil product.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. The utility model provides a degree of depth to oil tank drainage removes solid deoiling device, includes coalescence-separation jar (1), its characterized in that: oil recovery pipe (18) are installed on the top of coalescence-separation jar (1), and oil recovery pipe (18) one end installs sump tank (15), one side that oil recovery pipe (18) were kept away from on coalescence-separation jar (1) top is installed connecting pipe (19), and the one end of connecting pipe (19) extends to the inside of oil recovery pipe (18), sewage pipe (16) are installed to the bottom of sump tank (15) one side, and the one end of sewage pipe (16) extends to the inside of coalescence-separation jar (1).

2. The deep solid oil removing device for oil tank water cutting according to claim 1, characterized in that: sand guide pipe (2) is installed to one side of coalescence-separation jar (1) bottom, and sand guide pipe's (2) outside installs main pipe valve (3), screw pump (4) are installed to the bottom of sand guide pipe (2), coalescence-separation jar (1) bottom is kept away from sand guide pipe (2) and is additionally installed defeated tub (7) in proper order, and defeated tub outside of (7) installs water pipe valve (12) outward, row's material pipe (30) are installed to one side of screw pump (4), and the material valve (31) are installed in the outside of arranging material pipe (30).

3. The deep solid oil removing device for oil tank water cutting according to claim 2, characterized in that: arrange the one end of material pipe (30) and install desander (5), and the bottom of desander (5) installs conveyer pipe (6), the one end of conveyer pipe (6) extends to the inside of outer defeated pipe (7), one side of desander (5) is installed except that oil pipe (21), and deoiler (11) are installed to the one end of deoiling pipe (21).

4. The deep solid oil removing device for oil tank water cutting according to claim 3, characterized in that: oil pump (10) are installed to the bottom of degreaser (11), blow off pipe (8) are installed to the bottom of one side of degreaser (11), and the outside of blow off pipe (8) installs ooff valve (9), oil feed pipe (13) are installed on the top of degreaser (11), and oil feed pipe (13)'s the outside installs oil valve (14), three-way pipe (17) are installed to the one end of oil feed pipe (13).

5. The deep solid oil removing device for oil tank water cutting according to claim 4, characterized in that: the three-way pipe (17) is designed in a U shape, and two ends of the three-way pipe (17) extend to the inside of the oil recovery pipe (18).

6. The deep solid oil removing device for oil tank water cutting according to claim 1, characterized in that: the inside of coalescence-separation jar (1) is evenly installed buckled plate (22), and the one end of buckled plate (22) all installs oil scraper (24), oil scraper (24) all set up on the inner wall of coalescence-separation jar (1), the inside one side of coalescence-separation jar (1) is provided with sewage collection chamber (20), the inside one side of keeping away from sewage collection chamber (20) of coalescence-separation jar (1) is provided with coalescer entry distribution chamber (25), the internally mounted of coalescence-separation jar (1) of coalescer entry distribution chamber (25) one side has coalescer main part (23), and coalescer main part (23) keep away from the inside of coalescence-separation jar (1) of coalescer entry distribution chamber (25) one side and be provided with water oil separating chamber (27), the inside of coalescence-separation jar (1) of water separating chamber (27) one side is kept away from in buckled plate (22) is provided with isolation chamber (28), and a water conservancy rotational flow inlet cavity (29) is arranged in the coalescence-separation tank (1) on one side of the isolation cavity (28).

7. The deep solid oil removing device for oil tank water cutting according to claim 6, characterized in that: the inside of buckled plate (22) at coalescence-separation jar (1) is provided with a plurality of groups, and a plurality of groups buckled plate (22) are at the inside crisscross distribution of coalescence-separation jar (1).

Images