CN112897640A - Oil separation system in sewage treatment and sewage treatment method thereof - Google Patents

Abstract

The invention discloses an oil separation system in sewage treatment and a sewage treatment method thereof, and the oil separation system comprises a sewage heating tank, wherein a supporting end of a supporting structure at one side of the sewage heating tank extends into a tank opening of the sewage heating tank, and an oil absorption structure is arranged on the supporting end of the supporting structure; the supporting end of the supporting structure drives the oil absorption structure to rotate and immerse or withdraw from the sewage heating pool; the oil absorption structure comprises an absorption tube structure; the absorption tube structure rotates and absorbs oil stains on the surface layer of sewage in the sewage heating tank. The oil separation system in sewage treatment and the sewage treatment method thereof provided by the invention can effectively absorb and discharge the oil stains in the sewage to achieve the effect of removing the oil stains.

Description

Oil separation system in sewage treatment and sewage treatment method thereof

Technical Field

The invention relates to the field of sewage treatment, in particular to the field of oil stain treatment in sewage.

Background

People can generate a large amount of sewage in the daily life process, particularly in places with gathered population, the domestic sewage has great harm to the environment, and the sewage contains more impurity garbage and is inconvenient to clean; the food and drink processing method comprises the steps of generating sewage in the food and drink process, wherein the sewage contains a large amount of oil stains, if the sewage contains the sewage, the environmental sanitation can be influenced if the sewage cannot be properly processed, and the processing difficulty is higher, so that the oil stains in the sewage need to be separated out, the sewage can be subjected to subsequent processing, and the harm to the environment is reduced.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the oil separation system in the sewage treatment and the sewage treatment method thereof, which can effectively absorb and discharge the oil stains in the sewage to achieve the effect of removing the oil stains.

The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the invention is as follows:

an oil separation system in sewage treatment comprises a sewage heating tank, wherein a supporting end of a supporting structure on one side of the sewage heating tank extends into a tank opening of the sewage heating tank, and an oil absorption structure is arranged on the supporting end of the supporting structure; the supporting end of the supporting structure drives the oil absorption structure to rotate and immerse or withdraw from the sewage heating pool; the oil absorption structure comprises an absorption tube structure; the absorption tube structure rotates to absorb oil stains on the surface layer of the sewage in the sewage heating tank; oil stain is stained, and the purpose of treating oily sewage is achieved.

Further, the oil stain heating tank comprises a sewage tank; the water outlet end of the sewage pump is communicated with the middle part of the sewage pool through a liquid inlet pipe; a heating structure is arranged at the water outlet end of the liquid inlet pipe; the heating structure comprises a heating plate; the side wall of the heating plate is fixed in the sewage tank through a fixing column; a gap is formed between the side wall of the heating plate and the inner wall of the sewage pool; a cavity is arranged in the heating plate; the liquid outlet end of the liquid inlet pipe is communicated with the cavity; a plurality of heating devices are arranged in the cavity at intervals; a plurality of liquid outlet holes are formed in one side of the heating plate, which faces the bottom of the sewage tank; the cavity is communicated with the sewage pool through the liquid outlet hole; the sewage is heated, so that the oil stain and the sewage can be conveniently separated.

An air floatation structure is arranged at the bottom of the sewage tank; the air floating structure comprises an air cavity; the air cavity is fixedly arranged at the bottom of the sewage pool, and the air outlet end of the air pump is communicated with the air cavity through an air pipe; a plurality of air outlet pipes are arranged on the air cavity; the air outlet ends of the air outlet pipes which are arranged and distributed at intervals are opposite to the liquid outlet holes, so that the bubbles can carry oil stains to move to the surface of the sewage pool.

Further, the support structure includes a mount; the mounting seat is fixedly arranged on one side wall of the sewage pool; a supporting block is arranged at one side, facing the sewage tank, of the top end of the mounting seat; one ends of the symmetrical supporting blocks, which are far away from the mounting seat, extend to the middle of the mouth of the sewage pool; an oil absorption structure is clamped between the symmetrical extending ends of the supporting blocks; the extending end of the supporting block drives the oil absorption structure to move; the oil suction structure is convenient to drive to move, and oil dirt is convenient to clean and collect.

An oil storage chamber is arranged in the mounting seat; the oil storage chamber is arranged in a sealing way; the oil outlet end of the oil absorption structure is communicated with the oil storage chamber; the oil storage chamber is communicated with the outside through an oil outlet pipeline, and a sealing valve is arranged on the oil outlet pipeline; the oil storage chamber is communicated with the air pump through an air pipe; when the oil storage chamber is in a vacuum environment, the oil absorption structure absorbs oil stains; when the oil storage chamber is in a pressurized environment, the corresponding outlet air of the air outlet end of the oil absorption structure blows to the absorption pipe structure; is beneficial to recovering the oil stain by pressure intensity.

Further, the oil absorption structure also comprises a rotating structure; the rotating structure comprises an oil collecting groove and an oil through pipe; the oil collecting groove is of a semi-circular shell structure; the oil pipe penetrates through the oil collecting groove; one end of the oil pipe extends and protrudes out of the notch of the oil gathering groove, and an absorption pipe structure is arranged at one end of the oil pipe, which corresponds to the notch of the oil gathering groove; the other end of the oil pipe extends to the position between the symmetrical supporting blocks, and the extending end of the oil pipe is communicated with the oil storage chamber through a hose; the hoses are positioned between the symmetrical supporting blocks; the symmetrical supporting blocks are fixed on the side wall of the oil through pipe through a rotating rod; the rotating device on the supporting block is in driving connection with the rotating rod; the rotating rod drives the oil through pipe to drive the oil collecting groove and the absorption pipe structure to rotate, and the movement track of the oil through pipe is semicircular; the absorption tube structure is convenient to absorb oil stains in the sewage tank.

Furthermore, a plurality of uniform movable notches are formed in the edge of the oil gathering groove; one end of the oil through pipe, which is far away from the supporting block, is provided with a communicating ring block; the absorption tube structures are arranged around the communication ring blocks to form a divergent structure, and the oil through pipe is communicated with the absorption tube structures through the communication ring blocks; one end of the absorption tube structure, which is far away from the communicating ring block, is obliquely arranged towards the edge of the oil collecting groove; the power mechanism on the communicating ring block drives the absorption tube structure to move back and forth to pass through the movable notch;

an oil inlet hole is formed in the side wall of the absorption tube structure at the bottom of the oil gathering groove; the oil collecting groove is communicated with the absorption tube structure through an oil inlet hole, so that oil stains can be conveniently introduced into the oil through pipe.

Further, when the absorption tube structure rotates to move below the supporting block, an absorption wool layer structure is arranged on the side wall of one end, far away from the communicating ring block, of the absorption tube structure; the absorbing wool layer structure moves to pass through the movable notch to reach the oil stain layer of the sewage pool; the power mechanism drives the absorption tube structure to drive the absorption wool layer structure to rotate to absorb oil stains; when the absorption tube structure rotates to move above the supporting block, an extrusion oil filtering structure is annularly sleeved on the side wall of the middle part of the absorption tube structure; the extrusion end of the extrusion oil filtering structure moves to extrude the absorption wool layer structure, and the absorption wool layer structure is positioned in the oil gathering groove, so that oil stains in the absorption wool layer can be extruded to fall into the oil gathering groove.

Further, the absorbing wool layer structure comprises a gland wool layer and a stretching wool layer; the stretching wool layer comprises elastic strips; the elastic strips are fixedly arranged around the side wall of the absorption tube structure; the elastic rod is arranged at one end far away from the absorption tube structure in an extending mode, and the extending end of the elastic strip is arranged towards one end of the absorption tube structure, which moves in an extending mode, and inclines outwards; a plurality of wool tops are fixedly arranged on the side wall of the elastic strip; one end of the wool top, which is far away from the elastic strip, is obliquely arranged outwards towards the extension direction of the elastic strip; the wool tops are formed by weaving oil absorption cotton; a plurality of wool tops can absorb oil stains, and are convenient to clean.

The gland wool layer comprises a spiral fixing ring strip and a pressing opening and closing plate; the spiral fixing ring strip is fixed on the side wall of the absorption tube structure in a surrounding manner, and the spiral fixing ring strip is arranged at one end, close to the communicating ring block, of the elastic strip; the diameter of a circle formed by the spiral fixing ring strip in a surrounding mode is gradually reduced towards one end of the elastic strip; the pressing opening and closing plates are fixedly arranged along the side wall of the spiral track of the spiral fixing ring strip at intervals; the sections of the plurality of pressing opening and closing plates are arc-shaped; the pressing opening and closing plates are obliquely arranged, and the oblique direction of the pressing opening and closing plates faces to one side of the extending direction of the spiral fixing ring strip; the distance between the plurality of pressing opening and closing plates is gradually increased along the spiral direction of the spiral fixing ring strip; the side wall of the pressing opening and closing plate is fixedly provided with a plurality of wool tops; the wool tops on the pressing opening and closing plate are far away from the inclined arrangement of one end of the pressing opening and closing plate, and the inclined direction of the wool tops inclines towards one side of the far away spiral fixing ring strip, so that the oil filtering structure can be conveniently extruded in a matched manner to extrude oil filtering.

Further, the extrusion oil filtering structure comprises an arc-shaped block and a power rod; a power ring block is fixedly arranged on the side wall of the middle part of the absorption tube structure in a surrounding manner; a plurality of movable grooves are formed in the circumferential direction of one side wall of the power ring block, which faces the spiral fixed ring strip; one end of the power rod is embedded into the movable groove, and the power mechanism in the movable groove is in driving connection with the embedded end of the power rod; the other end of the power rod is far away from the power ring block and extends; an arc-shaped block is fixedly arranged at the extending end of the power rod; the arc blocks are arranged around the structure of the absorption tube at intervals; the power rods drive the arc-shaped blocks to correspondingly approach and splice or to be far away from and disperse; the power rod drives a plurality of extrusion ring blocks formed by splicing the arc-shaped blocks to rotate towards one end of the wool layer absorbing structure, and the rotation direction of the extrusion ring blocks is consistent with the inclined arrangement direction of the pressing opening and closing plate block; when the extrusion ring block moves to the extending wool layer close to the extending tail end of the absorption tube structure, the power rod drives the arc blocks to separate and disperse mutually, and the power rod drives the arc blocks to return to the initial position; the oil stain on the extruded wool tops can be conveniently recovered.

Furthermore, a ventilation ring cavity is arranged on the side wall of the extending end of the absorption pipe structure; the absorption tube structure is communicated with the ventilation ring cavity through the air hole; the side wall of the ventilation ring cavity is communicated with a plurality of gas injection pipes; the air outlet end of the air injection pipe faces towards the plurality of wool tops, so that the wool tops are convenient to blow dry, the wool tops are dispersed, and the next oil absorption is facilitated.

Further, the first step: the sewage is heated by the heating structure and then enters the sewage tank, and the air floatation structure releases bubbles to carry oil stains to the inner surface of the sewage tank;

the second step is that: the supporting end of the supporting structure drives the oil absorption structure to rotate and immerse the oil absorption structure into an oil stain layer in the sewage pool, and the oil absorption structure absorbs oil stains and conveys the oil stains to the oil storage chamber through the absorption pipe structure and the hose;

the third step: when the oil gathering tank rotates to enter the sewage tank, the absorption fur layer structure arranged on the absorption tube structure absorbs oil stains; when the oil gathering groove rotates and withdraws from the sewage pool, the extrusion oil filtering structure extrudes the absorption wool layer structure to filter oil into the oil gathering groove, and oil stains in the oil gathering groove are introduced into the oil storage chamber through the absorption tube structure.

Has the advantages that: the invention can absorb the oil stain on the surface layer of the sewage through the arranged wool tops, thereby achieving the purpose of sewage treatment; including but not limited to the following benefits:

1) the oil collecting groove rotates up and down, so that the wool tops can be conveniently contacted with oil stains to be absorbed, and the absorbed oil stains can be conveniently extruded and recovered to be led into the oil storage chamber through the oil collecting groove;

2) a plurality of wool tops absorb oil stains, then the oil filtering structure is extruded to extrude the wool tops, so that the absorbed oil stains in the wool tops are extruded out, and the wool tops can be conveniently cleaned and recovered.

Drawings

FIG. 1 is a diagram showing the construction of a sewage treatment system;

FIG. 2 is a structural view of a sewage heating tank;

FIG. 3 is a view showing a heating structure;

FIG. 4 is a drawing showing an oil absorption structure;

FIG. 5 is a view showing the structure of an absorption tube;

FIG. 6 is a view showing the structure of an absorbent batt;

FIG. 7 is a view showing the structure of the pressing cover batt layer;

FIG. 8 is a drawing of a structure of a stretched batt;

FIG. 9 is a view of the extrusion oil filter;

figure 10 is a view of the vent annulus.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in figures 1-10: an oil separation system in sewage treatment comprises a sewage heating tank 2, wherein a supporting end of a supporting structure 3 on one side of the sewage heating tank 2 extends into a tank opening of the sewage heating tank 2, and an oil absorption structure 1 is arranged on the supporting end of the supporting structure 3; the supporting end of the supporting structure 3 drives the oil absorption structure 1 to rotate and immerse or withdraw into the sewage heating pool 2; the oil absorption structure 1 comprises an absorption pipe structure 4; the absorption pipe structure 4 rotates to absorb the oil stains on the surface layer of the sewage in the sewage heating pool 2. The sewage in the sewage heating tank is heated, so that the oil stain in the sewage can be separated, and the oil stain can be absorbed and treated more conveniently by the absorption pipe structure, so that the aim of sewage treatment is fulfilled.

The oil stain heating tank 2 comprises a sewage tank 21; the water outlet end of the sewage pump is communicated with the middle part of the sewage pool 21 through a liquid inlet pipe 22; the water outlet end of the liquid inlet pipe 22 is provided with a heating structure 5; the heating structure 5 comprises a heating plate 51; the side wall of the heating plate 51 is fixed in the sewage tank 21 through a fixing column 52; a gap 211 is formed between the side wall of the heating plate 51 and the inner wall of the sewage tank 21; a cavity 53 is arranged in the heating plate 51; the liquid outlet end of the liquid inlet pipe 22 is communicated with the cavity 53; a plurality of heating devices are arranged in the cavity 53 at intervals; a plurality of liquid outlet holes 511 are formed in one side of the heating plate 51, which faces the bottom of the sewage tank 21; the cavity 53 is communicated with the sewage tank 21 through a liquid outlet 511; in sewage entered into the cavity through the feed liquor pipe, heating device in the cavity later heated sewage, so the greasy dirt in the sewage after heating was separated with sewage more easily, did benefit to the greasy dirt in the sewage and cleared up.

An air floatation structure 23 is arranged at the bottom of the sewage tank 21; the air floating structure 23 comprises an air cavity 231; the air cavity 231 is fixedly arranged at the bottom of the sewage tank 21, and the air outlet end of the air pump is communicated with the air cavity 231 through an air pipe; a plurality of air outlet pipes 232 are arranged on the air cavity 231; the air outlet ends of the air outlet pipes 232 which are arranged and distributed at intervals are opposite to the liquid outlet holes 511. The sewage after being heat-philic flows out from the liquid outlet hole, and the air bubble that the outlet duct came out can be just in time in the sewage contact, so the air bubble can be better carry the greasy dirt in the sewage to rise to the surface of effluent water sump, can more conveniently be absorbed by the absorption tube structure.

The support structure 3 comprises a mounting seat 31; the mounting seat 31 is fixedly arranged on one side wall of the sewage tank 21; a supporting block 32 is arranged at one side of the top end of the mounting seat 31 facing the sewage tank 21; one end of the symmetrical supporting block 32, which is far away from the mounting seat 31, extends to the middle of the mouth of the sewage tank 21; the oil absorption structure 1 is clamped between the extending ends of the symmetrical supporting blocks 32; the extended end of the supporting block 32 drives the oil absorption structure 1 to move; the supporting shoe extends to the effluent water sump top, can make things convenient for the drive end drive of supporting shoe to inhale oil structure and rotate like this, is convenient for inhale oil structure and absorbs the greasy dirt on effluent water sump surface.

An oil storage chamber 33 is arranged in the mounting seat 31; the oil storage chamber 33 is arranged in a sealing way; the oil outlet end of the oil suction structure 1 is communicated with the oil storage chamber 33; the oil storage chamber 33 is communicated with the outside through an oil outlet pipeline 34, and a sealing valve is arranged on the oil outlet pipeline 34; the oil storage chamber 33 is communicated with the air pump through an air pipe; when the oil storage chamber 33 is in a vacuum environment, the oil absorption structure 1 absorbs oil stains; the oil absorption structure can conveniently collect absorbed oil stains, and when the oil storage chamber 33 is in a pressurized environment, the corresponding outlet air at the air outlet end of the oil absorption structure 1 blows to the absorption pipe structure 4; therefore, the wool tops arranged on the structure of the absorption tube can be blown away, and oil stains can be conveniently absorbed next time.

The oil absorption structure 1 further comprises a rotating structure 11; the rotating structure 11 comprises an oil collecting groove 111 and an oil through pipe 112; the oil collecting groove 111 is of a semi-circular shell structure; the oil pipe 112 penetrates through the oil collecting groove 111; one end of the oil pipe 112 extends and protrudes out of the notch of the oil collecting groove 111, and one end of the oil pipe 112, corresponding to the notch of the oil collecting groove 111, is provided with the absorption pipe structure 4; the other end of the oil pipe 112 extends to the position between the symmetrical supporting blocks 32, and the extending end of the oil pipe 112 is communicated with the oil storage chamber 33 through a hose 113; the hoses 113 are positioned between the symmetrical support blocks 32; the symmetrical supporting blocks 32 are fixed on the side wall of the oil through pipe 112 through a rotating rod 321; the rotating device on the supporting block 32 is in driving connection with the rotating rod 321; the rotating rod 321 drives the oil pipe 112 to drive the oil collecting groove 111 and the absorption pipe structure 4 to rotate, and the movement track of the oil pipe 112 is semicircular. When the oil collecting groove opening upwards, the greasy dirt that filters out on the absorption tube structure falls in the oil collecting groove, and the greasy dirt in the oil collecting groove can flow into the oil storage chamber through the hose through leading to oil pipe, conveniently collects the processing.

A plurality of uniform movable gaps 114 are formed in the edge of the oil collecting groove 111; one end of the oil pipe 112, which is far away from the supporting block 32, is provided with a communicating ring block 115; a plurality of the absorption pipe structures 4 are arranged around the communication ring block 115 in a divergent structure, and the oil through pipe 112 is communicated with the absorption pipe structures 4 through the communication ring block 115; one end of the absorption pipe structure 4, which is far away from the communication ring block 115, is obliquely arranged towards the edge of the oil gathering groove 111; the power mechanism on the communicating ring block 115 drives the absorption tube structure 4 to move back and forth through the movable notch 114; an oil inlet hole 45 is formed in the side wall of the absorption tube structure 4 at the bottom of the oil collecting groove 111; the oil collection groove 111 is communicated with the inside of the absorption tube structure 4 through an oil inlet hole 45. When the oil collecting groove opening is downward, the oil collecting groove is positioned in the sewage tank, and the part of the oil collecting groove is immersed in sewage, so that the power mechanism drives the absorption tube structure to absorb oil stains on the surface of the sewage tank through the movable notch, after absorption, the oil collecting groove rotates upward, so that the absorption tube is retracted into the oil collecting groove, and the oil stains absorbed by the absorption tube can fall into the oil collecting groove.

When the absorption tube structure 4 rotates to move below the supporting block 32, an absorption wool layer structure 41 is arranged on the side wall of one end, far away from the communicating ring block 115, of the absorption tube structure 4; the absorbing batt structure 41 moves through the movable gap 114 to the oil stain layer of the sewage tank 21; the power mechanism drives the absorption pipe structure 4 to drive the absorption wool layer structure 41 to rotate to absorb the oil stain; when the absorption pipe structure 4 rotates to move above the supporting block 32, an extrusion oil filtering structure 42 is annularly sleeved on the side wall of the middle part of the absorption pipe structure 4; the squeezing end of the squeezing oil filtering structure 42 moves to squeeze the absorbing batt structure 41, and the absorbing batt structure 41 is located in the oil collecting groove 111. When the oil collecting tank is immersed into the sewage tank, the power mechanism drives the absorption tube structure to drive the absorption wool layer structure to move out of the movable notch and drive the absorption wool layer structure to rotate, so that the absorption wool layer can absorb oil stains in the sewage tank; when the oil collecting groove is withdrawn from the sewage tank, the absorption tube structure drives the absorption wool layer structure to be absorbed into the oil collecting groove, and then the absorption oil filtering structure is extruded to extrude the absorption wool layer structure, so that the oil stains absorbed in the absorption wool layer are extruded to fall into the oil collecting groove and then are recovered.

The absorbing wool layer structure 41 comprises a gland wool layer 5 and a stretching wool layer 6; the stretching batt layer 6 comprises elastic strips 61; a plurality of elastic strips 61 are fixedly arranged around the side wall of the absorption tube structure 4; the elastic rod 61 is arranged to extend away from one end of the absorption tube structure 4, and the extending end of the elastic strip 61 is arranged to incline outwards towards one end of the absorption tube structure 4 which is subjected to extension movement; a plurality of wool tops 62 are fixedly arranged on the side wall of the elastic strip 61; one end of the wool tops 62 far away from the elastic strip 61 is obliquely arranged outwards towards the extending direction of the elastic strip 61; the wool tops 62 are formed by weaving oil absorbent cotton; set up a plurality of elastic strips at the absorption tube structure lateral wall to a plurality of wool tops set firmly at the elastic strip lateral wall, the wool top can absorb the greasy dirt like this, and after elastic strip and wool top were squeezed the filter oil, the elastic strip can also take the wool top to open relatively, can avoid interconnect together between a plurality of wool tops like this, be not convenient for next absorption greasy dirt.

The gland wool layer 5 comprises a spiral fixing ring strip 51 and a pressing opening and closing plate 52; the spiral fixing ring strip 51 is fixed on the side wall of the absorption pipe structure 4 in a surrounding manner, and the spiral fixing ring strip 51 is arranged at one end of the elastic strip 61 close to the communication ring block 115; the diameter of the circle formed by the spiral fixing ring strip 51 is gradually reduced towards one end of the elastic strip 61; a plurality of the pressing opening and closing plates 52 are fixedly arranged along the side wall of the spiral track of the spiral fixing ring strip 51 at intervals; the sections of the plurality of pressing opening and closing plates 52 are arc-shaped; the pressing opening and closing plates 52 are obliquely arranged, and the oblique direction of the pressing opening and closing plates 52 faces to one side of the extending direction of the spiral fixing ring strip 51; the distance between the plurality of pressing opening and closing plates 52 along the spiral direction of the spiral fixing ring strip 51 is gradually increased; a plurality of wool tops 62 are fixedly arranged on the side wall of the pressing opening and closing plate 52; one end, far away from the pressing opening and closing plate block 52, of the wool tops 62 on the pressing opening and closing plate block 52 is obliquely arranged, and the oblique direction of the wool tops 62 is oblique towards one side far away from the spiral fixing ring strip 51. The spiral fixed ring strip is the screw-tupe like this, and the spiral fixed ring strip is elasticity key structure that resets, presses like this and opens and shuts the plate and can also resume the home position after being extruded to a plurality of wool tops set firmly on the plate lateral wall that opens and shuts pressing, a plurality of wool tops can absorb the greasy dirt on a large scale like this, can reach better absorption greasy dirt, the effect of handling sewage.

The extrusion oil filtering structure 42 comprises an arc-shaped block 421 and a power rod 424; a power ring block 422 is fixedly arranged on the side wall of the middle part of the absorption tube structure 4 in a surrounding manner; a plurality of movable grooves 423 are annularly formed on one side wall of the power ring block 422 facing the spiral fixed ring strip 51; one end of the power rod 424 is embedded into the movable groove 423, and the power mechanism in the movable groove 423 is in driving connection with the embedded end of the power rod 424; the other end of the power rod 424 is extended away from the power ring block 422; an arc-shaped block 421 is fixedly arranged on the extending end of the power rod 424; a plurality of arc-shaped blocks 421 are arranged at intervals around the absorption tube structure 4; the plurality of power rods 424 drive the arc-shaped blocks 421 to correspondingly approach and splice or separate from each other; the power rod 424 drives a plurality of extrusion ring blocks 425 formed by splicing a plurality of arc-shaped blocks 421 to rotate towards one end of the wool absorption layer structure 41, and the rotation direction of the extrusion ring blocks 425 is consistent with the inclined arrangement direction of the pressing opening and closing plate block 52; when the extrusion ring block 425 moves to the extending end of the stretching wool layer 6 close to the absorption tube structure 4, the power rod 424 drives the arc blocks 421 to separate from each other, and the power rod 424 drives the arc blocks 421 to return to the initial position. The extrusion ring blocks formed by splicing the arc-shaped blocks are driven by the plurality of power rods to move towards the direction of the wool layer of the pressing cover, so that the extrusion ring blocks extrude and attach the pressing opening and closing plate blocks to the side wall of the structure of the absorption tube, the wool tops can be extruded, oil stains absorbed in the wool tops can be extruded out and then fall into the oil collecting tank, and the recovery can be conveniently carried out; when the extrusion ring block moves to the tail end of the absorption tube structure, the power rod drives the arc-shaped blocks to be away from each other and return, so that the opening and closing plate block and the elastic strips can return to the original positions due to the elastic action, and the wool tops can be driven to be mutually dispersed, so that oil stains can be absorbed next time.

The side wall of the extending end of the absorption pipe structure 4 is provided with a vent ring cavity 44; the absorber pipe structure 4 is communicated with the vent ring cavity 44 through air holes; a plurality of gas injection pipes 441 are communicated with the side wall of the ventilation annular cavity 44; the air outlet end of the air injection pipe 441 faces to the plurality of wool tops 62. The oil storage chamber is pressurized, then the gas passes through the hose and passes through the oil pipe and the absorption tube structure, then the gas is introduced into the ventilation ring cavity, and the gas in the ventilation ring cavity is blown to the plurality of wool tops through the gas injection pipe, so that the plurality of wool tops are blown away. The top connection is avoided, the next-time top oil absorption can be facilitated, the absorption effect is improved, oil stains are better cleaned and recovered, and a better sewage treatment effect is achieved.

The first step is as follows: the sewage is heated by the heating structure 5 and then enters the sewage tank, and the air floatation structure 23 releases bubbles to carry oil stains to the inner surface of the sewage tank 21; the heating energy is favorable for separating the oil stains in the sewage, and the separated oil stains can be carried by bubbles to rise to the surface of a sewage pool and then are convenient to absorb and collect.

The second step is that: the supporting end of the supporting structure 3 drives the oil absorption structure 1 to rotate and immerse into an oil stain layer in the sewage pool 21, oil stains in the sewage pool are absorbed, and the oil absorption structure 1 absorbs the oil stains and conveys the oil stains into the oil storage chamber 33 through the absorption pipe structure 4 and the hose 113; the absorbed oil sludge is squeezed out and then flows into the oil storage chamber through the oil pipe and the hose.

The third step: when the oil gathering groove 111 rotates to enter the sewage tank 21, the absorption wool layer structure 41 arranged on the absorption pipe structure 4 absorbs oil stains; when the oil collecting groove 111 rotates and is withdrawn from the sewage tank 21, the extrusion oil filtering structure 42 extrudes the absorption wool layer structure 41 to filter oil into the oil collecting groove 111, and the oil dirt in the oil collecting groove 111 is introduced into the oil storage chamber 33 through the absorption pipe structure 4; therefore, the collection and cleaning of the oil stains can be completed, the oil stains in the sewage can be effectively separated, and the purpose of sewage treatment can be achieved.

The foregoing is a detailed description of the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention.

Claims (10)

1. An oil separating system in sewage treatment is characterized in that: the device comprises a sewage heating tank (2), wherein a supporting end of a supporting structure (3) at one side of the sewage heating tank (2) extends into a tank opening of the sewage heating tank (2), and an oil absorption structure (1) is arranged on the supporting end of the supporting structure (3); the supporting end of the supporting structure (3) drives the oil absorption structure (1) to rotate and dip into or withdraw from the sewage heating pool (2); the oil absorption structure (1) comprises an absorption tube structure (4); the absorption tube structure (4) rotates to absorb the oil stain on the surface layer of the sewage in the sewage heating tank (2).

2. An oil separation system in wastewater treatment according to claim 1, wherein: the oil stain heating tank (2) comprises a sewage tank (21); the water outlet end of the sewage pump is communicated with the middle part of the sewage pool (21) through a liquid inlet pipe (22); a heating structure (5) is arranged at the water outlet end of the liquid inlet pipe (22); the heating structure (5) comprises a heating plate (51); the side wall of the heating plate (51) is fixed in the sewage pool (21) through a fixing column (52); a gap (211) is formed between the side wall of the heating plate (51) and the inner wall of the sewage pool (21); a cavity (53) is arranged in the heating plate (51); the liquid outlet end of the liquid inlet pipe (22) is communicated with the cavity (53); a plurality of heating devices are arranged in the cavity (53) at intervals; a plurality of liquid outlet holes (511) are formed in one side of the heating plate (51) facing the bottom of the sewage tank (21); the cavity (53) is communicated with the sewage pool (21) through the liquid outlet hole (511);

an air floatation structure (23) is arranged at the bottom of the sewage tank (21); the air floating structure (23) comprises an air cavity (231); the air cavity (231) is fixedly arranged at the bottom of the sewage pool (21), and the air outlet end of the air pump is communicated with the air cavity (231) through an air pipe; a plurality of air outlet pipes (232) are arranged on the air cavity (231); the air outlet ends of a plurality of air outlet pipes (232) which are arranged and distributed at intervals are opposite to the liquid outlet holes (511).

3. An oil separation system in wastewater treatment according to claim 1, wherein: the support structure (3) comprises a mounting seat (31); the mounting seat (31) is fixedly arranged on one side wall of the sewage pool (21); a supporting block (32) is arranged at one side, facing the sewage tank (21), of the top end of the mounting seat (31); one ends of the symmetrical supporting blocks (32) far away from the mounting seat (31) extend to the middle of the mouth of the sewage pool (21); an oil absorption structure (1) is clamped between the extending ends of the symmetrical supporting blocks (32); the extending end of the supporting block (32) drives the oil absorption structure (1) to move;

an oil storage chamber (33) is arranged in the mounting seat (31); the oil storage chamber (33) is arranged in a sealing way; the oil outlet end of the oil absorption structure (1) is communicated with the oil storage chamber (33); the oil storage chamber (33) is communicated with the outside through an oil outlet pipeline (34), and a sealing valve is arranged on the oil outlet pipeline (34); the oil storage chamber (33) is communicated with the air pump through an air pipe; when the oil storage chamber (33) is in a vacuum environment, the oil absorption structure (1) absorbs oil stains; when the oil storage chamber (33) is in a pressurization environment, the corresponding outlet air of the air outlet end of the oil absorption structure (1) is blown to the absorption tube structure (4).

4. An oil separation system in wastewater treatment according to claim 1, wherein: the oil absorption structure (1) further comprises a rotating structure (11); the rotating structure (11) comprises an oil collecting groove (111) and an oil through pipe (112); the oil collecting groove (111) is of a semi-circular shell structure; the oil pipe (112) penetrates through the oil collecting groove (111); one end of the oil pipe (112) extends and protrudes out of the notch of the oil gathering groove (111), and one end of the oil pipe (112) corresponding to the notch of the oil gathering groove (111) is provided with an absorption pipe structure (4); the other end of the oil pipe (112) extends to the position between the symmetrical supporting blocks (32), and the extending end of the oil pipe (112) is communicated with the oil storage chamber (33) through a hose (113); the hoses (113) are positioned between the symmetrical supporting blocks (32); the symmetrical supporting blocks (32) are fixed on the side wall of the oil through pipe (112) through a rotating rod (321); the rotating device on the supporting block (32) is in driving connection with the rotating rod (321); the rotating rod (321) drives the oil through pipe (112) to drive the oil collecting groove (111) and the absorption pipe structure (4) to rotate, and the movement track of the oil through pipe (112) is semicircular.

5. An oil separation system in wastewater treatment according to claim 4, wherein: a plurality of uniform movable notches (114) are formed in the edge of the oil collecting groove (111); one end of the oil pipe (112) far away from the supporting block (32) is provided with a communicating ring block (115); the plurality of absorption tube structures (4) are arranged around the communication ring block (115) to form a divergent structure, and the oil through pipe (112) is communicated with the absorption tube structures (4) through the communication ring block (115); one end, far away from the communicating ring block (115), of the absorption tube structure (4) is obliquely arranged towards the edge of the oil gathering groove (111); the power mechanism on the communicating ring block (115) drives the absorption tube structure (4) to move back and forth to pass through the movable gap (114);

an oil inlet hole (45) is formed in the side wall of the absorption tube structure (4) at the bottom of the oil collecting groove (111); the interior of the oil collecting groove (111) is communicated with the interior of the absorption tube structure (4) through an oil inlet hole (45).

6. An oil separation system in wastewater treatment according to claim 4, wherein: when the absorption tube structure (4) rotates to move below the supporting block (32), an absorption hair layer structure (41) is arranged on the side wall of one end, far away from the communicating ring block (115), of the absorption tube structure (4); the absorbing wool layer structure (41) moves to pass through the movable gap (114) and reach an oil stain layer of the sewage pool (21); the power mechanism drives the absorption tube structure (4) to drive the absorption wool layer structure (41) to rotate to absorb oil stains; when the absorption tube structure (4) rotates to move above the supporting block (32), an extrusion oil filtering structure (42) is annularly sleeved on the side wall of the middle part of the absorption tube structure (4); the extrusion end of the extrusion oil filtering structure (42) moves to extrude the absorption wool layer structure (41), and the absorption wool layer structure (41) is positioned in the oil collecting groove (111).

7. An oil separation system in wastewater treatment according to claim 6, wherein: the absorbing wool layer structure (41) comprises a gland wool layer (5) and an extension wool layer (6); the stretching wool layer (6) comprises elastic strips (61); the elastic strips (61) are fixedly arranged around the side wall of the absorption tube structure (4); the elastic rod (61) is arranged at one end far away from the absorption tube structure (4) in an extending mode, and the extending end of the elastic strip (61) inclines outwards towards one end of the absorption tube structure (4) in an extending mode; a plurality of wool tops (62) are fixedly arranged on the side wall of the elastic strip (61); one end of the wool top (62) far away from the elastic strip (61) is outwards and obliquely arranged towards the extending direction of the elastic strip (61); the wool tops (62) are formed by weaving oil absorption cotton;

the gland woolen layer (5) comprises a spiral fixing ring strip (51) and a pressing opening and closing plate block (52); the spiral fixing ring strip (51) is fixed on the side wall of the absorption tube structure (4) in a surrounding mode, and the spiral fixing ring strip (51) is arranged at one end, close to the communication ring block (115), of the elastic strip (61); the diameter of a circle formed by the spiral fixing ring strip (51) in a surrounding mode is gradually reduced towards one end of the elastic strip (61); the pressing opening and closing plates (52) are fixedly arranged along the side wall of the spiral track of the spiral fixing ring strip (51) at intervals; the sections of the plurality of pressing opening and closing plates (52) are arc-shaped; the pressing opening and closing plates (52) are obliquely arranged, and the oblique direction of the pressing opening and closing plates (52) faces to one side of the extending direction of the spiral fixing ring strip (51); the distance between a plurality of pressing opening and closing plates (52) is gradually increased along the spiral direction of the spiral fixing ring strip (51); a plurality of wool tops (62) are fixedly arranged on the side wall of the pressing opening and closing plate (52); one end, far away from the pressing opening and closing plate block (52), of the wool tops (62) on the pressing opening and closing plate block (52) is obliquely arranged, and the oblique direction of the wool tops (62) inclines towards one side, far away from the spiral fixing ring strip (51).

8. An oil separation system in wastewater treatment according to claim 6, wherein: the extrusion oil filtering structure (42) comprises an arc-shaped block (421) and a power rod (424); a power ring block (422) is fixedly arranged on the side wall of the middle part of the absorption tube structure (4) in a surrounding manner; a plurality of movable grooves (423) are formed in the circumferential direction on one side wall of the power ring block (422) facing the spiral fixed ring strip (51); one end of the power rod (424) is embedded into the movable groove (423), and the power mechanism in the movable groove (423) is in driving connection with the embedded end of the power rod (424); the other end of the power rod (424) is arranged far away from the power ring block (422) in an extending mode; an arc-shaped block (421) is fixedly arranged on the extending end of the power rod (424); the arc-shaped blocks (421) are arranged around the absorption tube structure (4) at intervals; the power rods (424) drive the arc-shaped blocks (421) to correspondingly approach and splice or separate from each other; the power rod (424) drives a plurality of extrusion ring blocks (425) formed by splicing the arc blocks (421) to rotate towards one end of the wool absorption layer structure (41), and the rotation direction of the extrusion ring blocks (425) is consistent with the inclined arrangement direction of the pressing opening and closing plate block (52); when the extrusion ring block (425) moves to the extending end of the stretching wool layer (6) close to the absorption tube structure (4), the power rod (424) drives the arc-shaped blocks (421) to be separated from each other, and the power rod (424) drives the arc-shaped blocks (421) to return to the initial position.

9. An oil separation system in wastewater treatment according to claim 4, wherein: a ventilation annular cavity (44) is arranged on the side wall of the extending end of the absorption tube structure (4); the absorption tube structure (4) is communicated with the ventilation annular cavity (44) through an air hole; the side wall of the ventilation annular cavity (44) is communicated with a plurality of air injection pipes (441); the air outlet end of the air injection pipe (441) faces to the wool tops (62).

10. The sewage treatment method of an oil separation system in sewage treatment according to any one of claims 1 to 9, characterized by a first step of: the sewage is heated by the heating structure (5) and then enters the sewage pool, and the air floatation structure (23) releases bubbles to carry oil dirt to be conveyed to the inner surface of the sewage pool (21);

the second step is that: the supporting end of the supporting structure (3) drives the oil absorption structure (1) to rotate and immerse into an oil stain layer in the sewage pool (21), and the oil absorption structure (1) absorbs oil stains and conveys the oil stains into the oil storage chamber (33) through the absorption tube structure (4) and the hose (113);

the third step: when the oil gathering tank (111) rotates to enter the sewage tank (21), the absorption wool layer structure (41) arranged on the absorption tube structure (4) absorbs oil stains; when the oil gathering groove (111) rotates and withdraws from the sewage pool (21), the extrusion oil filtering structure (42) extrudes the absorption wool layer structure (41) to filter oil into the oil gathering groove (111), and the oil sewage in the oil gathering groove (111) is introduced into the oil storage chamber (33) through the absorption tube structure (4).

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