Oil separation tank for sewage treatment

Abstract

The utility model discloses an oil separation tank for sewage treatment, which relates to the technical field of sewage treatment and comprises an oil separation tank body, an oil collection tank is fixedly mounted on the side of the oil separation tank body, and a main baffle and a lower baffle are fixedly mounted on the inner walls of the bottom side and two sides of the oil separation tank body. An upper baffle fixedly mounted on the inner walls of the two sides of the oil separation tank body is arranged between the main baffle and the lower baffle, and a gap is reserved between the bottom of the upper baffle and the inner wall of the bottom side of the oil separation tank body. According to the oil discharging device, when oil needs to be discharged, the multiple funnels can move from bottom to top through the vertical moving mechanism, when the multiple funnels are lower than the top of the lower baffle, oil between the main baffle and the upper baffle can sequentially pass through the multiple funnels, the multiple hoses and the connecting pipes to enter the oil collecting pool, the multiple funnels move upwards, and the oil can be discharged out of the oil collecting pool. And when the funnel is higher than the top of the lower baffle plate, oil discharge is not carried out any more, so that oil stains can be gathered.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a kind of oil separation tank for sewage treatment. BACKGROUND

[0002] Sewage treatment is to let sewage reach the water quality requirement of discharge into certain water body or reuse and is purified, and oil pollution in sewage treatment process usually adopts oil separation tank to separate oil and water, and then filter oil-water mixture and large-particle residue etc.

[0003] In prior art, compared with document no. CN221254077U discloses an oil separation tank for sewage treatment, which scrapes oil stains by reciprocating oil removal plate, but in actual use process, the height of oil discharge collection tank is greater than the height of auxiliary water baffle, and when oil stain is pushed by reciprocating oil removal plate, it needs to cross the height difference between oil discharge collection tank and auxiliary water baffle to enter oil discharge collection tank, so the collection difficulty is great, therefore, we disclose an oil separation tank for sewage treatment. UTILITY MODEL CONTENT

[0004] The utility model provides an oil separation tank for sewage treatment to solve the problem that the height of oil discharge collection tank is greater than the height of auxiliary water baffle in actual use process of traditional structure, and oil stain needs to cross the height difference between oil discharge collection tank and auxiliary water baffle to enter oil discharge collection tank when being pushed by reciprocating oil removal plate, so the collection difficulty is great.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an oil separation tank for sewage treatment, comprising an oil separation tank body, an oil collection tank is fixedly installed on the side of the oil separation tank body, a main baffle and a lower baffle are fixedly installed on the bottom side and the inner wall of both sides of the oil separation tank body, an upper baffle is fixedly installed on the inner wall of both sides of the oil separation tank body between the main baffle and the lower baffle, a gap is left between the bottom of the upper baffle and the inner wall of the bottom side of the oil separation tank body, a connecting pipe is fixedly installed on the inner wall of both sides of the oil separation tank body, one end of the connecting pipe is communicated with the oil collection tank, a plurality of soft tubes are installed on the side of the connecting pipe and communicated, a funnel is fixedly installed on the top end of the plurality of soft tubes and communicated, an up-down moving mechanism is installed on the side of the oil separation tank body, and the up-down moving mechanism is used to move the plurality of funnels.

[0006] As a preferred technical scheme of the utility model, the height of the top of the plurality of funnels is greater than the height of the top of the lower baffle.

[0007] As a preferred technical scheme of the utility model, the side of the oil separation tank body is provided with a liquid outlet pipe, the liquid outlet pipe is communicated with the oil separation tank body, the other side of the oil separation tank body is fixedly provided with a liquid inlet pipe, and one end of the liquid inlet pipe extends into the oil separation tank body.

[0008] As a preferred technical scheme of the utility model, the up-down moving mechanism comprises a motor fixedly installed on the side of the oil separation tank body, a rotating shaft is fixedly installed on the output shaft of the motor, one end of the rotating shaft penetrates the inner wall of the oil separation tank body and is fixedly installed with a conical sleeve-shaped filter screen, the conical sleeve-shaped filter screen is located on the side of the main baffle away from the upper baffle, a circular filter screen is fixedly installed on the side of the conical sleeve-shaped filter screen away from the rotating shaft, a through hole is formed in the side of the circular filter screen, one end of the liquid inlet pipe penetrates the through hole, and a cam is fixedly sleeved on the rotating shaft.

[0009] As a preferred technical scheme of the utility model, the up-down moving mechanism comprises a motor fixedly installed on the side of the oil separation tank body, a rotating shaft is fixedly installed on the output shaft of the motor, one end of the rotating shaft penetrates the inner wall of the oil separation tank body and is fixedly installed with a conical sleeve-shaped filter screen, the conical sleeve-shaped filter screen is located on the side of the main baffle away from the upper baffle, a circular filter screen is fixedly installed on the side of the conical sleeve-shaped filter screen away from the rotating shaft, a through hole is formed in the side of the circular filter screen, one end of the liquid inlet pipe penetrates the through hole, and a cam is fixedly sleeved on the rotating shaft.

[0010] As a preferred technical scheme of the utility model, the up-down moving mechanism comprises a motor fixedly installed on the side of the oil separation tank body, a rotating shaft is fixedly installed on the output shaft of the motor, one end of the rotating shaft penetrates the inner wall of the oil separation tank body and is fixedly installed with a conical sleeve-shaped filter screen, the conical sleeve-shaped filter screen is located on the side of the main baffle away from the upper baffle, a circular filter screen is fixedly installed on the side of the conical sleeve-shaped filter screen away from the rotating shaft, a through hole is formed in the side of the circular filter screen, one end of the liquid inlet pipe penetrates the through hole, and a cam is fixedly sleeved on the rotating shaft.

[0011] As a preferred technical scheme of the utility model, the height of the lower baffle is lower than that of the main baffle, the height of the main baffle is lower than that of the oil separation tank body, the lower baffle is close to the upper baffle, and the connecting pipe is located between the upper baffle and the main baffle.

[0012] Compared with the prior art, the utility model provides an oil separation tank for sewage treatment, has the following beneficial effects:

[0013] In the utility model, when oil needs to be discharged, the up-down moving mechanism can make the multiple funnels move from low to high, when the positions of the multiple funnels are lower than the top of the lower baffle, the oil between the main baffle and the upper baffle can enter the oil collecting tank through the multiple funnels, the multiple hoses and the connecting pipe in sequence, the multiple funnels move upwards, and when the height of the funnel is higher than the top of the lower baffle, the oil and dirt can be gathered.

[0014] The utility model discloses a sewage treatment use oil separation tank, including the main baffle, the lower baffle, the upper baffle, the connecting pipe, the hose, the funnel, the motor, the rotating shaft, the conical cover filter screen, the circular filter screen, the fixed plate, the slide rod, the connecting plate, the spring, the pressure plate, the mounting plate, the cam, the oil -containing wastewater is discharged through the liquid inlet pipe and is entered the conical cover filter screen into in the use, then is filtered by the conical cover filter screen and enters the side space of the main baffle far from the lower baffle, and oil is in the upper side, and water is in the lower side, when the height of oil and water is greater than the height of the main baffle, oil and water enter between the main baffle and the lower baffle, and oil is blocked by the upper baffle and thus remains between the main baffle and the upper baffle, when the liquid level height of the main baffle and the lower baffle is greater than the lower baffle, because oil is blocked by the upper baffle, water enters between the upper baffle and the lower baffle from the lower side of the upper baffle and enters the side space of the lower baffle far from the main baffle from the upper side of the lower baffle, and is discharged through the liquid outlet pipe, and oil remains between the main baffle and the upper baffle, and the liquid level height is equal to the height of the lower baffle. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the first perspective three-dimensional schematic diagram of the utility model sewage treatment use oil separation tank;

[0016] Figure 2 It is Figure 1 It is the first perspective three-dimensional schematic diagram of the utility model sewage treatment use oil separation tank;

[0017] Figure 3 It is the first perspective three-dimensional schematic diagram of the utility model sewage treatment use oil separation tank;

[0018] Figure 4 It is the first perspective three-dimensional schematic diagram of the utility model sewage treatment use oil separation tank.

[0019] In the drawing: 1, oil separation tank body;2, oil collection tank;3, main baffle;4, lower baffle;5, upper baffle;6, connecting pipe;7, hose;8, funnel;9, motor;10, rotating shaft;11, conical cover filter screen;12, circular filter screen;13, liquid inlet pipe;14, liquid outlet pipe;15, fixed plate;16, slide rod;17, connecting plate;18, spring;19, pressure plate;20, mounting plate;21, cam. DETAILED DESCRIPTION

[0020] The utility model makes further explanation to the following combined with specific embodiment, however, people who are familiar with the people in the field should understand, the detailed description given here combined with the drawing is to explain better, the structure of the utility model is bound to exceed the limited these embodiments, and for some equivalent alternative or common means, this article does not make detailed description again, but still belongs to the protection scope of this application.

[0021] Figures 1-3 It is the best embodiment of the utility model, the following combined with the drawing Figures 1-4 The utility model makes further explanation.

[0022] The utility model discloses an oil separation tank for sewage treatment, including oil separation tank body 1, the side portion fixed mounting of oil separation tank body 1 has the oil collection pool 2, the bottom side and both sides inner wall of oil separation tank body 1 fixed mounting has main baffle 3 and lower baffle 4, be provided with the upper baffle 5 of fixed installation in the both sides inner wall of oil separation tank body 1 between main baffle 3 and lower baffle 4, the bottom of upper baffle 5 and the bottom side inner wall of oil separation tank body 1 leave the gap, the both sides inner wall of oil separation tank body 1 fixed mounting has the connecting pipe 6, and one end of connecting pipe 6 is linked with the oil collection pool 2, and the side portion mounting of connecting pipe 6 has multiple even setting and the intercommunication hose 7, and the top end fixed mounting of multiple hose 7 has the intercommunication funnel 8, and the side portion mounting of oil separation tank body 1 has up-down moving mechanism, and up-down moving mechanism is used for making multiple funnel 8 move.

[0023] By the above structure: when needing to discharge oil, through up-down moving mechanism can make multiple funnel 8 move first down then up, when the position of multiple funnel 8 is lower than the top of lower baffle 4, can make the oil between main baffle 3 and upper baffle 5 can sequentially pass through multiple funnel 8, multiple hose 7 and connecting pipe 6 into oil collection pool 2, multiple funnel 8 moves up, and when the height of funnel 8 is higher than the top of lower baffle 4, thereby no longer discharging oil, make that oil dirt can gather.

[0024] As Figure 4 The height of multiple funnel 8 top is greater than the height of lower baffle 4 top. The advantage of such setting is that it does not start to discharge oil, facilitating oil gathering between main baffle 3 and upper baffle 5.

[0025] As Figure 3 And Figure 4 The side portion mounting of oil separation tank body 1 has liquid outlet pipe 14, and liquid outlet pipe 14 is linked with oil separation tank body 1, and the other side portion fixed mounting of oil separation tank body 1 has liquid inlet pipe 13, and one end of liquid inlet pipe 13 extends into oil separation tank body 1. Through liquid outlet pipe 14 can discharge, through liquid inlet pipe 13 can discharge.

[0026] As Figure 1 And Figure 2As shown, the up-down moving mechanism comprises a motor 9 fixedly installed on the side of the oil separation tank body 1, an output shaft of the motor 9 is fixedly installed with a rotating shaft 10, one end of the rotating shaft 10 penetrates the inner wall of the oil separation tank body 1 and is fixedly installed with a conical sleeve-shaped filter screen 11, the conical sleeve-shaped filter screen 11 is located on the side of the main baffle 3 away from the upper baffle 5, a circular filter screen 12 is fixedly installed on the side of the conical sleeve-shaped filter screen 11 away from the rotating shaft 10, a through hole is formed at the center of the side of the circular filter screen 12, the rotating shaft 10 rotates to make the conical sleeve-shaped filter screen 11 and the circular filter screen 12 rotate, the conical sleeve-shaped filter screen 11 rotates to make the clean filter screen above slowly rotate to the below, so that the sewage entering from the liquid inlet pipe 13 can be filtered by the clean filter screen, and the conical sleeve-shaped filter screen 11 is designed in a conical shape, the garbage filtered by the filter screen can be close to the circular filter screen 12, so as not to affect the filtering effect, and it is convenient for later cleaning, one end of the liquid inlet pipe 13 penetrates the through hole, and the rotating shaft 10 is fixedly sleeved with a cam 21.

[0027] In use, the oily wastewater is discharged through the liquid inlet pipe 13, enters the conical sleeve-shaped filter screen 11, and then is filtered by the conical sleeve-shaped filter screen 11 and enters the space on the side of the main baffle 3 away from the lower baffle 4, the oil is above and the water is below, when the height of the oil and the water is greater than the height of the main baffle 3, the oil and the water enter between the main baffle 3 and the lower baffle 4, the oil is blocked by the upper baffle 5 and stays between the main baffle 3 and the upper baffle 5, when the liquid level height of the main baffle 3 and the lower baffle 4 is greater than the lower baffle 4, because the oil is blocked by the upper baffle 5, the water enters between the upper baffle 5 and the lower baffle 4 from below the upper baffle 5 and enters the space on the side of the lower baffle 4 away from the main baffle 3 from above the lower baffle 4, and is discharged through the liquid outlet pipe 14, the oil stays between the main baffle 3 and the upper baffle 5, and the liquid level height is equal to the height of the lower baffle 4.

[0028] As shown in Figure 1 and Figure 2 The up-down moving mechanism comprises two fixed plates 15 fixedly installed on the inner walls on both sides of the oil separation tank body 1, a plurality of slide holes are formed in the top of the two fixed plates 15, a plurality of slide rods 16 are slidably installed in the plurality of slide holes, a connecting plate 17 is fixedly installed at the top end of the plurality of slide rods 16, an installation plate 20 is fixedly installed at the bottom end of the plurality of slide rods 16, the side of the plurality of funnel 8 is connected with the side of the installation plate 20, a pressure receiving plate 19 is fixedly installed on the side of the plurality of slide rods 16, and the pressure receiving plate 19 is in contact with the side of the cam 21. Figure 2 The up-down moving mechanism comprises a plurality of springs 18 sleeved on the plurality of slide rods 16, the top end of the plurality of springs 18 is fixedly installed on the bottom of the connecting plate 17, and the bottom end of the plurality of springs 18 is fixedly installed on the top of the two fixed plates 15.

[0029] In this embodiment, the rotating shaft 10 rotates the cam 21 during rotation, and when the pressing end of the cam 21 slowly contacts the top of the pressure plate 19, the pressure plate 19 is pressed to move the plurality of slide rods 16 downward, the plurality of slide rods 16 drive the connecting plate 17 to move, the plurality of springs 18 are deformed, and the plurality of slide rods 16 drive the mounting plate 20 to move, the mounting plate 20 drives the plurality of funnels 8 to move downward, so that the position of the plurality of funnels 8 is lower than the top of the lower baffle 4, so that the oil between the main baffle 3 and the upper baffle 5 can enter the oil collecting pool 2 in sequence through the plurality of funnels 8, the plurality of hoses 7 and the connecting pipe 6, and when the oil height in the oil collecting pool 2 is greater than the height of the top of the lower baffle 4, the oil needs to be cleaned, and when the pressing end of the cam 21 slowly separates from the top of the pressure plate 19, the plurality of funnels 8 slowly recover to the original state under the action of the plurality of springs 18, so that the oil discharge is stopped, and the oil stains can be accumulated.

[0030] As shown in Figure 4 The height of the lower baffle 4 is lower than that of the main baffle 3, and the advantage of this arrangement is that the oil height between the main baffle 3 and the upper baffle 5 is lower than the top of the main baffle 3, so that the sewage on the side of the main baffle 3 away from the lower baffle 4 can enter between the main baffle 3 and the upper baffle 5, and the height of the main baffle 3 is lower than that of the oil separation pool body 1, and the advantage of this arrangement is that the sewage cannot overflow the oil separation pool body 1, and the lower baffle 4 is close to the upper baffle 5, and the advantage of this arrangement is that the liquid without oil can enter from the bottom of the upper baffle 5 and be discharged from the side of the lower baffle 4 away from the upper baffle 5, and the connecting pipe 6 is located between the upper baffle 5 and the main baffle 3.

[0031] The working principle and use process of the utility model are as follows: in use, the oil-containing wastewater is discharged through the liquid inlet pipe 13, the wastewater enters the conical sleeve-shaped filter screen 11, and then the conical sleeve-shaped filter screen 11 filters impurities and enters the space on the side of the main baffle 3 away from the lower baffle 4, the oil is above and the water is below, when the height of the oil and the water is greater than the height of the main baffle 3, the oil and the water enter between the main baffle 3 and the lower baffle 4, the oil is blocked by the upper baffle 5 and remains between the main baffle 3 and the upper baffle 5, when the liquid level height of the main baffle 3 and the lower baffle 4 is greater than that of the lower baffle 4, because the oil is blocked by the upper baffle 5, the water enters between the upper baffle 5 and the lower baffle 4 from below the upper baffle 5 and enters the space on the side of the lower baffle 4 away from the main baffle 3 from above the lower baffle 4, and is discharged through the liquid outlet pipe 14, the oil is left between the main baffle 3 and the upper baffle 5, and the liquid level height is equal to the height of the lower baffle 4;

[0032] If it is needed to discharge the oil into the oil collecting pool 2, the motor 9 is started at this time, the output shaft of the motor 9 rotates to drive the rotating shaft 10 to rotate, the rotating shaft 10 rotates to make the conical sleeve filter screen 11 and the circular filter screen 12 rotate, the conical sleeve filter screen 11 rotates to make the clean filter screen on the upper side rotate to the lower side slowly, so that the sewage entering from the liquid inlet pipe 13 can be filtered by the clean filter screen, and the conical sleeve filter screen 11 is designed in a conical shape, the garbage filtered by the filter screen can be close to the circular filter screen 12, so as not to affect the filtering effect, and it is convenient for later cleaning.

[0033] The rotating shaft 10 rotates to make the cam 21 rotate, when the extrusion end of the cam 21 slowly contacts the top of the pressure plate 19, the pressure plate 19 is extruded to make the plurality of slide rods 16 move downward, the plurality of slide rods 16 move to drive the connecting plate 17 to move, the plurality of springs 18 are deformed, and at the same time, the plurality of slide rods 16 move to drive the mounting plate 20 to move, the mounting plate 20 drives the plurality of funnels 8 to move downward, so that the position is lower than the top of the lower baffle plate 4, so that the oil between the main baffle plate 3 and the upper baffle plate 5 can enter the oil collecting pool 2 in turn through the plurality of funnels 8, the plurality of hoses 7 and the connecting pipe 6, when the oil height in the oil collecting pool 2 is greater than the height of the top of the lower baffle plate 4, the oil needs to be cleaned, when the extrusion end of the cam 21 slowly separates from the top of the pressure plate 19, the plurality of funnels 8 slowly restore to the original state under the action of the plurality of springs 18, so that the oil discharge is not performed any more, so that the oil stains can be gathered.

[0034] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to obtain equivalent embodiments. However, any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A grease trap for sewage treatment, comprising a grease trap body (1), characterized in that: The side of the oil separation tank body (1) is fixedly installed with an oil collecting tank (2), the bottom side and the two side inner walls of the oil separation tank body (1) are fixedly installed with a main baffle (3) and a lower baffle (4), an upper baffle (5) is arranged between the main baffle (3) and the lower baffle (4) and is fixedly installed on the two side inner walls of the oil separation tank body (1), the bottom of the upper baffle (5) is spaced from the bottom side inner wall of the oil separation tank body (1), the two side inner walls of the oil separation tank body (1) are fixedly installed with a connecting pipe (6), one end of the connecting pipe (6) is in communication with the oil collecting tank (2), the side of the connecting pipe (6) is installed with a plurality of soft pipes (7) which are uniformly arranged and in communication, the top ends of the plurality of soft pipes (7) are fixedly installed with a funnel (8) which is in communication, the side of the oil separation tank body (1) is installed with an up-down moving mechanism, and the up-down moving mechanism is used to move the plurality of funnels (8).

2. The grease intercepting trap for sewage treatment according to claim 1, characterized in that: The height of the top of the plurality of funnels (8) is greater than the height of the top of the lower baffle (4).

3. The grease intercepting trap for sewage treatment according to claim 1, characterized in that: The side of the oil separation tank body (1) is installed with a liquid outlet pipe (14), the liquid outlet pipe (14) is in communication with the oil separation tank body (1), the other side of the oil separation tank body (1) is fixedly installed with a liquid inlet pipe (13), and one end of the liquid inlet pipe (13) extends into the oil separation tank body (1).

4. The grease intercepting device according to claim 3, wherein: The up-down moving mechanism comprises a motor (9) which is fixedly installed on the side of the oil separation tank body (1), an output shaft of the motor (9) is fixedly installed with a rotating shaft (10), one end of the rotating shaft (10) penetrates the inner wall of the oil separation tank body (1) and is fixedly installed with a conical sleeve-shaped filter screen (11), the conical sleeve-shaped filter screen (11) is located on the side of the main baffle (3) away from the upper baffle (5), the side of the conical sleeve-shaped filter screen (11) away from the rotating shaft (10) is fixedly installed with a circular filter screen (12), a through hole is formed at the side center position of the circular filter screen (12), one end of the liquid inlet pipe (13) penetrates the through hole, and a cam (21) is fixedly sleeved on the rotating shaft (10).

5. The grease intercepting device according to claim 4, wherein: The up-down moving mechanism comprises a fixed plate (15) which is fixedly installed on the two side inner walls of the oil separation tank body (1), a plurality of sliding holes are formed in the top of the two fixed plates (15), a sliding rod (16) is slidingly installed in each of the plurality of sliding holes, a connecting plate (17) is fixedly installed at the top end of the plurality of sliding rods (16), an installation plate (20) is fixedly installed at the bottom end of the plurality of sliding rods (16), the side of each of the plurality of funnels (8) is connected with the side of the installation plate (20), a pressure receiving plate (19) is fixedly installed on the side of the plurality of sliding rods (16), and the pressure receiving plate (19) is in contact with the side of the cam (21).

6. The grease intercepting device according to claim 5, wherein: The up-down moving mechanism comprises springs (18) which are sleeved on the plurality of sliding rods (16), the top ends of the plurality of springs (18) are fixedly installed on the bottom of the connecting plate (17), and the bottom ends of the plurality of springs (18) are fixedly installed on the top of the two fixed plates (15).

7. The grease intercepting device according to claim 1, wherein: The height of the lower baffle (4) is lower than the height of the main baffle (3), the height of the main baffle (3) is lower than the height of the oil separation tank body (1), the lower baffle (4) is close to the upper baffle (5), and the connecting pipe (6) is located between the upper baffle (5) and the main baffle (3).

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