CN111659184A

CN111659184A - Sewage pretreatment device

Info

Publication number: CN111659184A
Application number: CN202010511700.2A
Authority: CN
Inventors: 叶舟; 姚有智; 吴康; 章伟; 吕丹亚; 唐飞; 华飞; 靳维维; 朱媛; 李博; 宗秀秀
Original assignee: Wuhu Institute of Technology
Current assignee: Wuhu Institute of Technology
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-09-15
Anticipated expiration: 2040-06-08
Also published as: CN111659184B

Abstract

The invention relates to the field of sewage pretreatment, in particular to a sewage pretreatment device, which comprises a conveying mechanism, a supporting frame, an oil absorption mechanism, a driving mechanism, a compression mechanism, a collection mechanism, a connecting mechanism and a winding mechanism, wherein the conveying mechanism is arranged on the supporting frame; when sewage flows in the water conveying mechanism, the sewage flows downwards to push the driving mechanism to rotate, the driving mechanism drives the rolling mechanism to rotate, the collecting mechanism drives the oil absorption mechanism to move in the sewage, the oil absorption mechanism is made to contact with the sewage, the oil absorption mechanism is made to absorb oil in the sewage, when the driving mechanism rotates for a quarter of a circle, the driving mechanism is in contact with the connecting mechanism, the connecting mechanism fixes the driving mechanism at the moment, the sewage in the conveying mechanism flows into the driving mechanism, the pressure of the driving mechanism on the connecting mechanism is continuously increased, the connecting mechanism moves downwards to extrude the compression mechanism, the compression mechanism compresses the oil absorption mechanism wound on the side wall of the rolling mechanism, and the oil in the oil absorption mechanism is extruded out.

Description

Sewage pretreatment device

Technical Field

The invention relates to the field of sewage pretreatment, in particular to a sewage pretreatment device.

Background

Sewage is the effluent from life and production that is contaminated to some extent. The water which loses the original use function is called sewage for short. Mainly used water in life, which contains more organic matters and is easy to treat.

For domestic sewage, the sewage contains large-particle suspended matters and grease, the sewage contains the grease, oil substances float on the water surface to form a layer of film, oxygen in the air can be prevented from dissolving into the water, the dissolved oxygen in the water is reduced, plankton in the water body dies due to oxygen deficiency, and photosynthesis of aquatic plants is also hindered, so that self-purification of the water body is influenced, even the water body becomes odorous, the utilization value of water resources is damaged, the sewage contains floaters, the large-particle floaters and the grease are mixed to flow along with the water, a conveying pipeline is easy to block, the post-treatment process of the sewage containing a large amount of grease is complex, and the treatment time is long, so the sewage pretreatment device is provided for solving the problems.

Disclosure of Invention

The invention provides a sewage pretreatment device aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a sewage pretreatment device comprises a conveying mechanism, a support frame, an oil absorption mechanism, a driving mechanism, a compression mechanism, a collection mechanism, a connecting mechanism and a winding mechanism; the side walls of the conveying mechanism for conveying the sewage are provided with a plurality of support frames, and the top ends of the support frames are provided with the driving mechanisms which are contacted with the sewage; the inner part of the conveying mechanism is connected with the oil absorption mechanism used for absorbing oil in sewage in a sliding mode, and the absorption mechanism used for absorbing the oil in the sewage is wound on the side wall of the winding mechanism; winding mechanism rotates to be connected actuating mechanism's lateral wall, winding mechanism's lateral wall installation is used for the extrusion the inside oil suction of absorbing mechanism compressing mechanism is used for driving compressing mechanism rotates coupling mechanism sliding connection compressing mechanism's one end, coupling mechanism sliding connection actuating mechanism, actuating mechanism's one end installation is arranged in fishing out the floater in the sewage collection mechanism.

Specifically, actuating mechanism includes fixed axle, bracing piece, baffle and first gear, the lateral wall of support frame rotates to be connected the fixed axle, the lateral wall symmetry equidistance installation I shape of fixed axle the bracing piece, the one end installation lateral wall of bracing piece is curved the baffle, just the other end installation of bracing piece first gear.

Specifically, the conveying mechanism comprises a first water conveying tank and a second water conveying tank, the supporting frame is arranged on the side wall of the second water conveying tank, the first water conveying tank is obliquely arranged at the top end of the second water conveying tank, and the baffle is arranged at the bottom end of the first water conveying tank.

Specifically, the oil absorption mechanism comprises a pressure rod, an oil absorption felt and a first rotating shaft, the oil absorption felt is connected to the inside of the second water conveying tank in a sliding mode, the inner side wall of the bottom end of the second water conveying tank is rotatably connected with the pressure rod, and the bottom end of the pressure rod is rotatably connected with the oil absorption felt; the side wall of the pressure lever is wound with the oil absorption felt, and the section of the pressure lever is in a regular hexagonal shape.

Specifically, the winding mechanism comprises a supporting seat, a clamping groove, a third rotating shaft, a fifth gear and a limiting rod, the supporting seat is symmetrically arranged on the side wall of the second water conveying tank at equal intervals, and the inside of the supporting seat is rotatably connected with the first rotating shaft and the third rotating shaft; the bottom end of the first gear is meshed with the fifth gear, the side walls of the first gear and the fifth gear are respectively provided with an annular clamping groove, and the inner part of the clamping groove is clamped and rotatably connected with the limiting rod with a concave side wall; the middle of the side wall of the fifth gear is clamped with the hexagonal prism-shaped third rotating shaft, and the side wall of the third rotating shaft is wound on the oil absorption felt.

Specifically, the compression mechanism comprises a compression rod, a first compression plate, a second compression plate, an oil discharge pipe, a second gear, a third gear and a collecting tank, the side walls of the first compression plate and the second compression plate are arc-shaped and elastic, the side walls of the first compression plate and the second compression plate are abutted against the oil absorbent felt, the collecting tank is arranged at the bottom end of the second compression plate, and the oil discharge pipe is mounted at one end of the collecting tank and one end of the second compression plate; one end of the first compression plate is fixedly connected with the third gear, one end of the second compression plate is fixedly connected with the second gear, the side wall of the second gear is meshed with the side wall of the third gear, and one end of the third gear is provided with the elastic compression rod.

Specifically, the connecting mechanism comprises a connecting rod, a fixing ring, a spring and a mounting pipe, the mounting pipe is mounted at the top end of the second water conveying tank, the connecting rod is connected inside the mounting pipe in a sliding mode, and the connecting rod with an arc-shaped top end is connected with the side wall of the baffle in a sliding mode; the lateral wall suit of connecting rod the spring, the lateral wall installation of connecting rod solid fixed ring, gu fixed ring sliding connection the inside wall of installation pipe, the both ends of spring are contradicted respectively gu fixed ring with the bottom of installation pipe, the bottom of connecting rod is contradicted one end and is curved the compression bar.

Specifically, the collecting mechanism comprises a fixed rod, a second rotating shaft, a filter screen, a fourth gear and a sliding plate, the side wall of the first gear is meshed with the fourth gear, one end of the fourth gear is fixedly connected with the second rotating shaft, and the second rotating shaft is rotatably connected with the inside of the supporting frame; the lateral wall symmetry installation lateral wall of pivot is curved the dead lever, the one end installation lateral wall of dead lever is sectorial the filter screen, the filter screen rotates to be connected the inside of second water delivery groove, just the one end slope lateral wall of filter screen is curved the slide.

The invention has the beneficial effects that:

(1) according to the sewage pretreatment device, when sewage flows in the water conveying mechanism, the sewage flows downwards to be in contact with the driving mechanism, the driving mechanism is pushed to rotate, the driving mechanism drives the rolling mechanism to rotate, the collecting mechanism drives the oil absorption mechanism to move in the sewage, the sewage flow direction in the conveying mechanism is opposite to the movement direction of the oil absorption mechanism, the oil absorption mechanism is made to be in contact with the sewage, the oil absorption mechanism absorbs oil in the sewage, and the oil absorption mechanism absorbing the oil is wound on the side wall of the rolling mechanism.

(2) According to the sewage pretreatment device, when the driving mechanism rotates for one fourth, the driving mechanism is in contact with the connecting mechanism, the connecting mechanism fixes the driving mechanism, meanwhile, the oil absorption mechanism does not rotate in sewage, the time of the oil absorption mechanism in the sewage is prolonged, more oil is absorbed in the oil absorption mechanism as much as possible, at the moment, the sewage in the conveying mechanism flows into the driving mechanism, the weight in the driving mechanism is increased, the pressure of the driving mechanism on the connecting mechanism is increased, the connecting mechanism moves downwards, the connecting mechanism downwards extrudes the compression mechanism, the compression mechanism compresses the oil absorption mechanism wound on the side wall of the winding mechanism, the oil in the oil absorption mechanism is extruded out, and at the moment, the driving mechanism and the winding mechanism do not rotate, so that the compression mechanism can conveniently compress the oil absorption mechanism for absorbing the oil; after the inside sewage of actuating mechanism fills up, actuating mechanism and coupling mechanism separately continue to rotate quarter a week, drive oil absorption mechanism and continue to move the oil absorption and twine on winding mechanism, when actuating mechanism stall, actuating mechanism drives the oil absorption mechanism of compressing oil absorption of compressing mechanism, makes things convenient for the reuse of oil absorption mechanism.

(3) According to the sewage pretreatment device, the driving mechanism drives the collecting mechanism to rotate when rotating, the rotating directions of the collecting mechanism and the driving mechanism are opposite, the moving direction of the lowest end of the collecting mechanism is opposite to the moving direction of sewage, so that the collecting mechanism rotates into water, sewage and impurities can conveniently enter the collecting mechanism, and when the collecting mechanism rotates out of the water, floaters are taken out of the collecting mechanism, and the floaters in the sewage are removed.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of a sewage pretreatment device according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the baffle shown in FIG. 1;

FIG. 3 is an enlarged view of the internal structure of the first compression plate shown in FIG. 1;

FIG. 4 is a schematic diagram of the construction of the first compression plate and the second compression plate shown in FIG. 3;

FIG. 5 is a schematic view of the compression mechanism shown in FIG. 1;

FIG. 6 is a schematic structural view of the winding mechanism shown in FIG. 3;

FIG. 7 is a schematic view of the collection mechanism shown in FIG. 1;

fig. 8 is a schematic view of the structure of the oil absorbent felt shown in fig. 1.

In the figure: 1. the oil suction device comprises a conveying mechanism, 11, a first water conveying tank, 12, a second water conveying tank, 2, a support frame, 3, an oil suction mechanism, 31, a pressure rod, 32, an oil suction felt, 33, a first rotating shaft, 4, a driving mechanism, 41, a fixed shaft, 42, a support rod, 43, a baffle, 44, a first gear, 5, a compression mechanism, 51, a compression rod, 52, a first compression plate, 53, a second compression plate, 54, an oil discharge pipe, 55, a second gear, 56, a third gear, 57, a collecting tank, 6, a collecting mechanism, 61, a fixing rod, 62, a second rotating shaft, 63, a filter screen, 64, a fourth gear, 65, a sliding plate, 7, a connecting mechanism, 71, a connecting rod, 72, a fixing ring, 73, a spring, 74, a mounting pipe, 8, a winding mechanism, 81, a support seat, 82, a clamping groove, 83, a third rotating shaft, 84, a fifth gear, 85, a limiting rod, 9 and a reset spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 8, the sewage pretreatment device of the present invention includes a conveying mechanism 1, a supporting frame 2, an oil suction mechanism 3, a driving mechanism 4, a compressing mechanism 5, a collecting mechanism 6, a connecting mechanism 7 and a winding mechanism 8; a plurality of support frames 2 are arranged on the side wall of the conveying mechanism 1 for conveying the sewage, and the top ends of the support frames 2 are provided with the driving mechanisms 4 contacted with the sewage; the inner part of the conveying mechanism 1 is slidably connected with the oil absorption mechanism 3 for absorbing oil in sewage, and the absorption mechanism 3 for absorbing oil in sewage is wound on the side wall of the winding mechanism 8; winding mechanism 8 rotates to be connected actuating mechanism 4's lateral wall, winding mechanism 8's lateral wall installation is used for the extrusion absorbing mechanism 3 is inside inhales the grease compressing mechanism 5 for drive compressing mechanism 5 pivoted coupling mechanism 7 sliding connection compressing mechanism 5's one end, coupling mechanism 7 sliding connection actuating mechanism 4, actuating mechanism 4's one end installation is arranged in fishing out the floater in the sewage collecting mechanism 6.

Specifically, actuating mechanism 4 includes fixed axle 41, bracing piece 42, baffle 43 and first gear 44, the lateral wall of support frame 2 rotates to be connected fixed axle 41, the I shape is installed to the lateral wall symmetry equidistance of fixed axle 41 bracing piece 42, the one end installation lateral wall of bracing piece 42 is curved baffle 43, just the other end installation of bracing piece 42 first gear 44, for convenient sewage with baffle 43 contacts, and sewage extrudees downwards baffle 43 promotes baffle 43 rotates, baffle 43 drives fixed axle 41 is in the lateral wall of support frame 2 rotates, just fixed axle 41 drives first gear 44 rotates.

Specifically, the conveying mechanism 1 includes a first water conveying tank 11 and a second water conveying tank 12, the support frame 2 is disposed on a side wall of the second water conveying tank 12, the first water conveying tank 11 is disposed at a top end of the second water conveying tank 12 in an inclined manner, and the baffle 43 is disposed at a bottom end of the first water conveying tank 11, so that in order to facilitate flowing of sewage in the first water conveying tank 11 and the second water conveying tank 12, sewage moves downward from the inside of the first water conveying tank 11, a flow speed of the sewage is increased, the sewage moves to be in contact with the baffle 43, the baffle 43 is driven to rotate, the falling sewage falls into the second water conveying tank 12, and the sewage flows slowly in the second water conveying tank 12.

Specifically, the oil suction mechanism 3 includes a pressure lever 31, an oil absorbent felt 32 and a first rotating shaft 33, the oil absorbent felt 32 is slidably connected inside the second water conveying tank 12, the inner side wall of the bottom end of the second water conveying tank 12 is rotatably connected with the pressure lever 31, and the bottom end of the pressure lever 31 is rotatably connected with the oil absorbent felt 32; the side wall of the pressing rod 31 is wound around the oil absorbent felt 32, the cross section of the pressing rod 31 is in a regular hexagonal shape, so that the pressing rod 31 fixes the oil absorbent felt 32, the oil absorbent felt 32 positioned inside the second water delivery tank 12 is in a V shape, grease floats on the upper layer of sewage, the oil absorbent felt 32 is convenient to contact with the grease in the sewage, the oil absorbent felt 32 absorbs the grease in the sewage, the first rotating shaft 33 rotates, and the oil absorbent felt 32 wound around the first rotating shaft 33 enters the sewage.

Specifically, the winding mechanism 8 includes a supporting seat 81, a clamping groove 82, a third rotating shaft 83, a fifth gear 84 and a limiting rod 85, the supporting seat 81 is symmetrically and equidistantly arranged on the side wall of the second water conveying tank 12, and the inside of the supporting seat 81 is rotatably connected with the first rotating shaft 33 and the third rotating shaft 83; the bottom end of the first gear 44 is engaged with the fifth gear 84, the side walls of the first gear 44 and the fifth gear 84 are respectively provided with the annular clamping groove 82, and the inside of the clamping groove 82 is clamped and rotatably connected with the limiting rod 85 with the concave side wall; the third rotating shaft 83 in the shape of a hexagon prism is engaged with the center of the side wall of the fifth gear 84, the side wall of the third rotating shaft 83 is wound around the oil absorbent felt 32, in order to insert the third rotating shaft 83 into the fifth gear 84, and two ends of the third rotating shaft 83 are placed on the supporting seat 81, the third rotating shaft 83 is fixed, and one end of the oil absorbent felt 32 absorbing grease is wound around the side wall of the third rotating shaft 83, the first gear 44 rotates to drive the fifth gear 84 to rotate, the third rotating shaft 83 in the shape of a hexagon prism is engaged with the inside of the fifth gear 84, the fifth gear 84 rotates to drive the third rotating shaft 83 to rotate inside the supporting seat 81, so that the third rotating shaft 83 rotates to wind the oil absorbent felt 32 around the third rotating shaft 83, and when the first gear 44 and the fifth gear 84 rotate, the fifth gear 84 is fixed at the bottom end of the first gear 44 by the limiting rod 85, and the limiting rod 85 rotates inside the slot 82, so that the rotation of the first gear 44 and the fifth gear 84 is not affected by the limiting rod 85.

Specifically, the compression mechanism 5 includes a compression rod 51, a first compression plate 52, a second compression plate 53, an oil discharge pipe 54, a second gear 55, a third gear 56 and a collecting groove 57, the side walls of the first compression plate 52 and the second compression plate 53 having arc-shaped and elastic side walls abut against the oil suction felt 32, the bottom end of the second compression plate 53 is provided with the collecting groove 57, and one end of the collecting groove 57 and one end of the second compression plate 53 are provided with the oil discharge pipe 54; one end of the first compression plate 52 is fixedly connected with the third gear 56, one end of the second compression plate 53 is fixedly connected with the second gear 55, the side wall of the second gear 55 is engaged with the side wall of the third gear 56, and one end of the third gear 56 is provided with the elastic compression rod 51, so that when the compression rod 51 drives the third gear 56 to rotate, the third gear 56 drives the second gear 55 to rotate, the rotation directions of the third gear 56 and the second gear 55 are opposite, the third gear 56 and the second gear 55 drive the first compression plate 52 and the second compression plate 53 to rotate and approach to each other, the first compression plate 52 and the second compression plate 53 press the oil absorption felt 32 on the side wall of the third rotating shaft 83, the grease in the oil absorption felt 32 is pressed out, and the pressed grease slides on the side wall of the second compression plate 53 and falls into the collecting tank 57, allowing the grease to drain from the collection trough 57.

Specifically, the connecting mechanism 7 includes a connecting rod 71, a fixing ring 72, a spring 73 and a mounting pipe 74, the mounting pipe 74 is mounted at the top end of the second water conveying tank 12, the connecting rod 71 is slidably connected inside the mounting pipe 74, and the connecting rod 71 with an arc-shaped top end is slidably connected with the side wall of the baffle 43; the side wall of the connecting rod 71 is sleeved with the spring 73, the side wall of the connecting rod 71 is provided with the fixing ring 72, the fixing ring 72 is slidably connected with the inner side wall of the mounting pipe 74, two ends of the spring 73 respectively abut against the fixing ring 72 and the bottom end of the mounting pipe 74, the bottom end of the connecting rod 71 abuts against one end of the compression rod 51 in an arc shape, when the baffle 43 rotates to contact with the connecting rod 71, the connecting rod 71 abuts against and fixes the baffle 43, sewage enters the baffle 43, the weight of the baffle 43 is increased, the extrusion force of the baffle 43 and the connecting rod 71 is increased, the connecting rod 71 with the side wall extruded by the baffle 43 in an arc shape moves downwards in the mounting pipe 74, the connecting rod 71 drives the fixing ring 72 to move downwards in the mounting pipe 74, and the connecting rod 71 extrudes the spring 73, and the connecting rod 71 presses the compression rod 51 downwards to move the compression rod 51 downwards, when the connecting rod 71 is separated from the baffle 43, the baffle 43 continues to rotate downwards, and the spring 73 is extended, so that the spring 73 pushes the connecting rod 71 to move upwards in the mounting tube 74, and the baffle 43 conveniently presses the connecting rod 71 again.

Specifically, the collecting mechanism 6 includes a fixing rod 61, a second rotating shaft 62, a filter screen 63, a fourth gear 64 and a sliding plate 65, the side wall of the first gear 44 is engaged with the fourth gear 64, one end of the fourth gear 64 is fixedly connected to the second rotating shaft 62, and the second rotating shaft 62 is rotatably connected to the inside of the supporting frame 2; the lateral wall symmetry installation lateral wall of pivot 62 is curved dead lever 61, the one end installation lateral wall of dead lever 61 is sectorial filter screen 63, filter screen 63 rotates and connects the inside of second water delivery groove 12, just the one end slope lateral wall of filter screen 63 is curved slide 65, for the convenience first gear 44 drives fourth gear 64 rotates, makes second pivot 62 rotate, second pivot 62 with first gear 44 rotation opposite direction, second pivot 62 drives dead lever 61 with filter screen 63 rotates, makes filter screen 62 rotate and gets into in the sewage, the rotation direction of the second pivot 62 least significant end is opposite with sewage flow direction, sectorial filter screen 62 gets into in the sewage, makes the floater in the sewage get into the inside of filter screen 62, works as filter screen 62 makes from in the sewage, the sewage leaks out of the filter screen 63, and the floating objects slide downwards in the filter screen 63 and fall into the slide plate 65, so that the floating objects slide out of the slide plate 65, and the floating objects in the sewage are reduced.

When in use, the third rotating shaft 83 is inserted into the fifth gear 84, two ends of the third rotating shaft 83 are placed on the supporting seat 81, the second rotating shaft 33 is placed in the supporting seat 81, the oil absorption felt 32 on the second rotating shaft 33 is pulled, the oil absorption felt 32 passes through the bottom end of the pressing rod 31, and one end of the oil absorption felt 32 is wound on the side wall of the second rotating shaft 33. Sewage is led into the first water delivery tank 11, the sewage moves downwards from the inside of the first water delivery tank 11, the flowing speed of the sewage is increased, the sewage is moved to be in contact with the baffle 43, the baffle 43 is pressed downwards by the sewage to push the baffle 43 to rotate, the baffle 43 drives the fixed shaft 41 to rotate on the side wall of the support frame 2, the fixed shaft 41 drives the first gear 44 to rotate, and the fallen sewage falls into the second water delivery tank 12, so that the sewage slowly flows in the second water delivery tank 12. The first gear 44 rotates to drive the fifth gear 84 to rotate, the inside of the fifth gear 84 is clamped with the third rotating shaft 83 of the hexagonal prism, the fifth gear 84 rotates to drive the third rotating shaft 83 to rotate inside the supporting seat 81, so that the third rotating shaft 83 rotates to enable the oil absorbent felt 32 to be wound on the third rotating shaft 83, the third rotating shaft 83 drives the oil absorbent felt 32 to move, the oil absorbent felt 32 wound on the first rotating shaft 33 enters sewage, the oil absorbent felt 32 is fixed by the pressing rod 31, the oil absorbent felt 32 positioned inside the second water conveying tank 12 is in a V shape, oil floats on the upper layer of the sewage, the oil absorbent felt 32 is convenient to contact with the oil in the sewage, and the oil absorbent felt 32 absorbs the oil in the water. When the first gear 44 and the fifth gear 84 rotate, the limiting rod 85 fixes the fifth gear 84 at the bottom end of the first gear 44, and the limiting rod 85 rotates inside the slot 82, so that the limiting rod 85 does not affect the rotation of the first gear 44 and the fifth gear 84. After the baffle 43 rotates a quarter of a circle, the baffle 43 contacts the connecting rod 71, the connecting rod 71 is abutted and fixed to the baffle 43, and sewage enters the inside of the baffle 43, so that the weight of the baffle 43 is increased, the extrusion force of the baffle 43 and the connecting rod 71 is increased, so that the baffle 43 extrudes the side wall which is arc-shaped, the connecting rod 71 moves downwards in the inside of the mounting pipe 74, the connecting rod 71 drives the fixing ring 72 to move downwards in the inside of the mounting pipe 74, so that the connecting rod 71 extrudes the spring 73, and the connecting rod 71 extrudes the compression rod 51 downwards, so that the compression rod 51 moves downwards, when the compression rod 51 drives the third gear 56 to rotate, the third gear 56 drives the second gear 55 to rotate, the rotation directions of the third gear 56 and the second gear 55 are opposite, and the third gear 56 and the second gear 55 drive the first compression plate 52 and the second compression plate 53 to rotate The first compression plate 52 and the second compression plate 53 are made to compress the oil absorbent felt 32 on the side wall of the third rotating shaft 83, the two ends of the return spring 9 are respectively fixedly connected with the first compression plate 52 and the second compression plate 53, the first compression plate 52 and the second compression plate 53 rotate to compress the return spring 9, so as to press out the grease inside the oil absorbent felt 32, at this time, the baffle 43 is fixed by the connecting rod 71, the fixing shaft 41 does not rotate, the oil absorbent felt 32 inside the first compression plate 52 and the second compression plate 53 does not rotate, the first compression plate 52 and the second compression plate 53 are made to compress the oil absorbent felt 32, meanwhile, the oil absorbent felt 32 inside the second water conveying tank 12 does not rotate, the oil absorbent felt 32 stays inside the second water conveying tank 12, so as to increase the time of the oil absorbent felt 32 in sewage, the oil absorption felt 32 is convenient for absorbing impurities in the sewage. When the connecting rod 71 is separated from the baffle 43, the baffle 43 continues to rotate downwards, and the spring 73 is extended, so that the spring 73 pushes the connecting rod 71 to move upwards in the mounting pipe 74, which facilitates the baffle 43 to press the connecting rod 71 again, and at the same time, the return spring 9 is extended, which pushes the first compression plate 52 and the second compression plate 53 to spread apart, so that the first compression plate 52 and the second compression plate 53 are separated from the oil absorption felt 32, and the first compression plate 52 drives the compression rod 51 to move upwards, so that the compression rod 51 is always in contact with the bottom end of the connecting rod 71, which facilitates the third rotating shaft 83 to rotate, so that the oil absorption felt 32 absorbing oil is wound on the side wall of the third rotating shaft 83, and the first compression plate 52 and the second compression plate 53 are spread apart, so that the grease in the first compression plate 52 and the second compression plate 53 slides on the side wall of the second compression plate 53 and falls into the collecting tank 57 And the compression mechanism 5 is obliquely arranged, the inclination angle is 5-10 degrees, so that the grease is discharged from the collecting groove 57 and the oil discharge pipe 54, and the compressed grease is further conveniently discharged. When the baffle 43 rotates a quarter of a circle and continues to contact the connecting rod 71, the oil absorption felt 32 stops rotating, and the first compression plate 52 and the second compression plate 53 compress the grease inside the oil absorption felt 32, so that the oil absorption felt 32 slowly flows in the sewage and continuously compresses the grease inside the oil absorption felt 32. When the fixed axle 41 rotates, first gear 44 drives fourth gear 64 rotates, makes second pivot 62 rotates, second pivot 62 with first gear 44 rotates opposite direction, second pivot 62 drives the dead lever 61 with filter screen 63 rotates, makes filter screen 62 rotates and gets into in the sewage, the rotation direction and the sewage flow direction of the 62 least significant end of second pivot are opposite, and is sectorial in filter screen 62 gets into in the sewage, makes the floater in the sewage get into filter screen 62's inside, works as filter screen 62 makes from the transfer of sewage, and sewage follows spill in the filter screen 63, and the floater is in the inside lapse of filter screen 63 falls into slide 65's inside makes the floater follow slide out slide 65's inside reduces the floater in the sewage. Along with the rotation of the baffle 43, the oil absorption felt 32 wound on the third rotating shaft 83 is more and more, the compression rod 51, the first compression plate 52 and the second compression plate 53 have elasticity, and each time the downward sliding distance of the connecting rod 71 is shorter, the closer the first compression plate 52 and the second compression plate 53 are, the smaller the approaching distance of the compression rod 51, the first compression plate 52 and the second compression plate 53 is, the deformation of the compression rod 51, the first compression plate 52 and the second compression plate 53 is, but the first compression plate 52 and the second compression plate 53 are larger and larger for the oil absorption felt 32, and most of grease on the oil absorption felt 32 is squeezed out. After the oil absorption felt 32 on the first rotating shaft 33 is used up, the first rotating shaft 33 is taken out, the third rotating shaft 83 is pulled out from the fourth gear 84, the third rotating shaft 83 is placed at the position where the first rotating shaft 33 originally is located, the first rotating shaft 33 is inserted into the fifth gear 84, one end of the oil absorption felt 32 on the third rotating shaft 83 is wound on the side wall of the first rotating shaft 33, and the oil absorption felt 32 is reused in the same way.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sewage pretreatment device which characterized in that: comprises a conveying mechanism (1), a supporting frame (2), an oil absorption mechanism (3), a driving mechanism (4), a compression mechanism (5), a collection mechanism (6), a connecting mechanism (7) and a winding mechanism (8); the side walls of the conveying mechanism (1) for conveying the sewage are provided with a plurality of support frames (2) in pair, and the top ends of the support frames (2) are provided with the driving mechanism (4) contacted with the sewage; the inner part of the conveying mechanism (1) is connected with the oil absorption mechanism (3) used for absorbing oil in sewage in a sliding mode, and the absorption mechanism (3) used for absorbing the oil in the sewage is wound on the side wall of the winding mechanism (8); winding mechanism (8) rotate to be connected the lateral wall of actuating mechanism (4), the lateral wall installation of winding mechanism (8) is used for the extrusion absorbing mechanism (3) inside suction grease compressing mechanism (5) are used for driving compressing mechanism (5) pivoted coupling mechanism (7) sliding connection the one end of compressing mechanism (5), coupling mechanism (7) sliding connection actuating mechanism (4), the one end installation of actuating mechanism (4) is arranged in fishing out floater in the sewage collecting mechanism (6).

2. The sewage pretreatment apparatus according to claim 1, wherein: actuating mechanism (4) are including fixed axle (41), bracing piece (42), baffle (43) and first gear (44), the lateral wall of support frame (2) rotates to be connected fixed axle (41), the lateral wall symmetry equidistance installation I shape of fixed axle (41) bracing piece (42), the one end installation lateral wall of bracing piece (42) is curved baffle (43), just the other end installation of bracing piece (42) first gear (44).

3. The sewage pretreatment apparatus according to claim 2, wherein: the conveying mechanism (1) comprises a first water conveying tank (11) and a second water conveying tank (12), the supporting frame (2) is arranged on the side wall of the second water conveying tank (12), the first water conveying tank (11) is obliquely arranged at the top end of the second water conveying tank (12), and the baffle (43) is arranged at the bottom end of the first water conveying tank (11).

4. A sewage pretreatment device according to claim 3, characterized in that: the oil absorption mechanism (3) comprises a pressure lever (31), an oil absorption felt (32) and a first rotating shaft (33), the inside of the second water conveying tank (12) is connected with the oil absorption felt (32) in a sliding mode, the inner side wall of the bottom end of the second water conveying tank (12) is connected with the pressure lever (31) in a rotating mode, and the bottom end of the pressure lever (31) is connected with the oil absorption felt (32) in a rotating mode; the side wall of the pressure lever (31) is wound around the oil absorbent felt (32), and the section of the pressure lever (31) is in a regular hexagonal shape.

5. The sewage pretreatment apparatus according to claim 4, wherein: the winding mechanism (8) comprises a supporting seat (81), a clamping groove (82), a third rotating shaft (83), a fifth gear (84) and a limiting rod (85), the supporting seat (81) is symmetrically and equidistantly arranged on the side wall of the second water conveying tank (12), and the inside of the supporting seat (81) is rotatably connected with the first rotating shaft (33) and the third rotating shaft (83); the bottom end of the first gear (44) is meshed with the fifth gear (84), the side walls of the first gear (44) and the fifth gear (84) are respectively provided with an annular clamping groove (82), and the inner part of the clamping groove (82) is clamped and rotatably connected with the limiting rod (85) with the concave side wall; the third rotating shaft (83) in a hexagonal prism shape is clamped in the center of the side wall of the fifth gear (84), and the side wall of the third rotating shaft (83) is wound on the oil absorption felt (32).

6. The sewage pretreatment apparatus according to claim 5, wherein: the compression mechanism (5) comprises a compression rod (51), a first compression plate (52), a second compression plate (53), an oil discharge pipe (54), a second gear (55), a third gear (56) and a collecting groove (57), the side walls of the first compression plate (52) and the second compression plate (53) are arc-shaped and have elasticity, the side walls of the first compression plate (52) and the second compression plate (53) are abutted against the oil absorption felt (32), the collecting groove (57) is arranged at the bottom end of the second compression plate (53), and the oil discharge pipe (54) is installed at one end of the collecting groove (57) and one end of the second compression plate (53); one end of the first compression plate (52) is fixedly connected with the third gear (56), one end of the second compression plate (53) is fixedly connected with the second gear (55), the side wall of the second gear (55) is meshed with the side wall of the third gear (56), and one end of the third gear (56) is provided with the compression rod (51) with elasticity.

7. The sewage pretreatment apparatus according to claim 6, wherein: the connecting mechanism (7) comprises a connecting rod (71), a fixing ring (72), a spring (73) and a mounting pipe (74), the mounting pipe (74) is mounted at the top end of the second water conveying tank (12), the connecting rod (71) is slidably connected inside the mounting pipe (74), and the connecting rod (71) with the arc-shaped top end is slidably connected with the side wall of the baffle plate (43); the lateral wall suit of connecting rod (71) spring (73), the lateral wall installation of connecting rod (71) gu fixed ring (72), gu fixed ring (72) sliding connection the inside wall of installation pipe (74), the both ends of spring (73) are contradicted respectively gu fixed ring (72) with the bottom of installation pipe (74), the bottom of connecting rod (71) is contradicted one end and is curved compression bar (51).

8. A sewage pretreatment device according to claim 3, characterized in that: the collecting mechanism (6) comprises a fixing rod (61), a second rotating shaft (62), a filter screen (63), a fourth gear (64) and a sliding plate (65), the side wall of the first gear (44) is meshed with the fourth gear (64), one end of the fourth gear (64) is fixedly connected with the second rotating shaft (62), and the second rotating shaft (62) is rotatably connected with the inside of the supporting frame (2); the lateral wall symmetry installation lateral wall of pivot (62) is curved dead lever (61), the one end installation lateral wall of dead lever (61) is sectorial filter screen (63), filter screen (63) rotate the connection the inside of second water delivery groove (12), just the one end slope lateral wall of filter screen (63) is curved slide (65).