A device for extracting and filtering dirty oil

Abstract

The present application relates to the technical field of oil cleaning, and particularly relates to a dirty oil extraction and filtration device, which comprises a mounting unit, a connecting pipeline and a floating plate arranged outside the connecting pipeline; and a filtration unit, which comprises a mounting plate arranged inside the connecting pipeline, a filter plate rotatably arranged on the mounting plate and attached to the connecting pipeline, a pressure boosting assembly arranged in the connecting pipeline, and a flushing assembly connected to the pressure boosting assembly and used for cleaning the filter plate. The dirty oil extraction and filtration device increases the pressure of the dirty oil passing through the connecting pipeline through the pressure boosting assembly, and forms a jet flow by guiding the dirty oil with increased pressure through the flushing assembly, so as to perform backwashing on the filter plate and form a filtration and cleaning cycle.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oil cleaning, in particular to a kind of dirty oil extraction filter device. BACKGROUND

[0002] At present, coal-fired generating set during overhaul, steam turbine, steam engine auxiliary machinery, boiler auxiliary machinery and other equipment need to discharge a large amount of dirty oil, among which the dirty oil such as lubricating oil needs to be precipitated after being collected due to its high viscosity and many impurities, and then the oil pump is used to extract the oil, the existing oil pump is easy to be blocked by impurities in front of the filter screen, and needs to be cleaned frequently. Therefore, the present application provides a kind of dirty oil extraction filter device. SUMMARY

[0003] This section is intended to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0004] In view of the above-mentioned problem that the existing dirty oil extraction is easy to be blocked by impurities in front of the filter screen, and needs to be cleaned frequently, the present application is proposed.

[0005] Therefore, the purpose of the present application is to provide a kind of dirty oil extraction filter device, which aims to provide a kind of filter device that can automatically clean the filter screen.

[0006] To solve the above technical problems, the present application provides the following technical scheme: a kind of dirty oil extraction filter device, comprising, installation unit, including connecting pipeline, the floating plate of setting in the outer side of the connecting pipeline;And, filter unit, including the mounting plate of setting in the connecting pipeline, rotationally setting on the mounting plate, and the filter plate that is attached to the connecting pipeline, the booster assembly of setting in the connecting pipeline, and the flushing assembly that is connected with the booster assembly and cleans the filter plate.

[0007] As a preferred scheme of the dirty oil extraction filter device of the present application, wherein: the mounting plate includes a missing shaped disc attached to the inner wall of the connecting pipeline, and a support plate provided on the edge of the missing shaped disc gap;The missing shaped disc and the filter plate, support plate and connecting pipeline form a sewage discharge cavity, the connecting pipeline is provided with a sewage discharge groove in communication with the sewage discharge cavity, and the sewage discharge groove is located above the floating plate.

[0008] As a preferred scheme of the oil extraction and filtration device, the booster assembly comprises an L-shaped plate arranged on the connecting pipe, the bottom end of the L-shaped plate is in sliding abutment with the filter plate, and the height projection of the L-shaped plate is coincident with the support plate; the L-shaped plate, the connecting pipe and the filter plate form a cleaning cavity, the side edge of the L-shaped plate and the connecting pipe form a booster side, and the flushing assembly is located in the cleaning cavity and communicates with the booster side.

[0009] As a preferred scheme of the oil extraction and filtration device, the flushing assembly comprises a drainage pipe arranged on the L-shaped plate and communicating with the booster side, and a spray part arranged at the bottom end of the drainage pipe.

[0010] As a preferred scheme of the oil extraction and filtration device, the spray part comprises a distribution box arranged at the bottom end of the drainage pipe, and a plurality of flushing heads arranged at the bottom end of the distribution box and opposite to the filter plate.

[0011] As a preferred scheme of the oil extraction and filtration device, the filter plate comprises a plate body rotatably arranged on the shaped disc, a mesh area arranged on the plate body and coincident with the shaped disc, and a driving part arranged on the plate body.

[0012] As a preferred scheme of the oil extraction and filtration device, the driving part comprises a plurality of mounting blocks arranged in the mesh area, and a trapezoidal slot arranged in the mounting block and penetrating the mounting block.

[0013] As a preferred scheme of the oil extraction and filtration device, the support plate comprises a flow-through side matched with the connecting pipe, and a sealing side matched with the mounting block; the width of the sealing side is greater than the height projection width of the mounting block.

[0014] As a preferred scheme of the oil extraction and filtration device, the L-shaped plate is provided with a booster plate, the booster plate is located on the booster side and above the water inlet of the drainage pipe.

[0015] As a preferred scheme of the oil extraction and filtration device, the floating plate is in a circular ring shape, the floating plate is sleeved outside the connecting pipe and is higher than the bottom end of the connecting pipe.

[0016] The oil extraction and filtration device has the following beneficial effects: the booster assembly increases the pressure of the oil passing through the connecting pipe, the flushing assembly forms a jet flow by draining the oil with increased pressure, and the filter plate is back-flushed to form a filtration and cleaning cycle. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor. Among them:

[0018] Figure 1 It is a schematic diagram of the overall structure of the oil extraction and filtration device.

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the connecting pipeline of the oil extraction and filtration device.

[0020] Figure 3 It is a schematic diagram of the filter unit of the oil extraction and filtration device.

[0021] Figure 4 It is a schematic diagram of the back structure of the filter plate of the oil extraction and filtration device.

[0022] Figure 5 It is a schematic diagram of the driving part of the oil extraction and filtration device. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0024] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0025] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or selective embodiment that excludes other embodiments.

[0026] Thirdly, the present application is described in detail in conjunction with the schematic diagram, and in the detailed description of the embodiments of the present application, the cross-sectional view of the device structure will be partially enlarged without general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, three-dimensional spatial dimensions including length, width and depth should be included in actual manufacture.

[0027] Embodiment 1

[0028] ReferenceFigures 1-2 For the first embodiment of the present application, a device for extracting and filtering dirty oil is provided, which comprises a mounting unit 100, a connecting pipe 101, a floating plate 102 arranged outside the connecting pipe 101, the floating plate 102 being in the shape of a ring and being arranged outside the connecting pipe 101 and being higher than the bottom end of the connecting pipe;

[0029] The connecting pipe 101 is fixedly connected to the end of the extraction pipe by a clamp, and is placed in dirty oil, the floating plate 102 floats in the dirty oil, and the bottom end of the connecting pipe 101 is vertically inserted into the dirty oil.

[0030] The filtering unit 200 comprises a mounting plate 201 arranged inside the connecting pipe 101, a filtering plate 202 rotatably arranged on the mounting plate 201 and being in contact with the connecting pipe 101, a booster assembly 203 arranged in the connecting pipe 101, and a flushing assembly 204 connected to the booster assembly 203 and being used for cleaning the filtering plate 202;

[0031] The filtering plate 202 is rotatable by installing a motor thereon, the mounting plate 201 comprises a notched disc 201a in contact with the inner wall of the connecting pipe 101, and a support plate 201b arranged at the notched edge of the notched disc 201a;

[0032] The notched disc 201a, the filtering plate 202, the support plate 201b and the connecting pipe 101 form a sewage discharge cavity 201c, the connecting pipe 101 is provided with a sewage discharge groove 201d in communication with the sewage discharge cavity 201c, and the sewage discharge groove 201d is located above the floating plate 102;

[0033] The booster assembly 203 comprises an L-shaped plate 203a arranged on the connecting pipe 101, the bottom end of the L-shaped plate 203a is in sliding contact with the filtering plate 202, and the height projection of the L-shaped plate 203a and the support plate 201b is coincident; the bottom end of the L-shaped plate 203a and the filtering plate 202 are in sliding sealing, and the top end of the support plate 201b and the filtering plate 202 are in sliding sealing; a mechanical seal can be used;

[0034] The L-shaped plate 203a, the connecting pipe 101 and the filtering plate 202 form a cleaning cavity 203b, the side edge of the L-shaped plate 203a and the connecting pipe 101 form a booster side 203c, the L-shaped plate 203a divides the connecting pipe 101 into the cleaning cavity 203b and the booster side 203c, and changes the size of the flow channel of the connecting pipe 101; when the dirty oil passes through the L-shaped plate 203a, the pressure at this position increases due to the decrease of the channel size;

[0035] The flushing assembly 204 is located in the cleaning cavity 203b and communicates with the pressurized side 203c, and the flushing assembly 204 can be composed of an oil pipe to depressurize the dirty oil of the pressurized side 203c, and the high-pressure dirty oil is introduced into the cleaning cavity 203b through the oil pipe to reversely flush the filter plate 202 at the bottom and flush the sundries on the filter plate 202 and then discharge the dirty oil from the dirt discharging cavity 201c and the dirt discharging groove 201d.

[0036] During use, when the dirty oil is extracted, the dirty oil enters from the bottom end of the connecting pipe 101, passes through the filter plate 202 and enters the pressurized side 203c, the rotating filter plate 202 filters the sundries in the dirty oil, and the pressure of the dirty oil increases when passing through the pressurized side 203c, the dirty oil is introduced from the flushing assembly 204 to reversely flush the rotating filter plate 202, flush the sundries on the filter plate 202 and then discharge the dirty oil from the dirt discharging cavity 201c and the dirt discharging groove 201d, and the sustainable filtration of the filter plate 202 can be realized.

[0037] Embodiment 2

[0038] Reference Figures 1-3 For the second embodiment of the application, the flushing assembly 204 includes a flow guide pipe 204a arranged on the L-shaped plate 203a and communicating with the pressurized side 203c, and a jet part 204b arranged at the bottom end of the flow guide pipe 204a.

[0039] The water inlet of the flow guide pipe 204a has a diameter larger than that of the water outlet, and the water inlet of the flow guide pipe 204a communicates with the pressurized side 203c, when the dirty oil enters the pressurized side 203c, the pressure of the dirty oil increases due to the smaller channel, and the dirty oil enters the flow guide pipe 204a and further increases the pressure of the dirty oil.

[0040] The jet part 204b includes a distribution box 204b-1 arranged at the bottom end of the flow guide pipe 204a, and a plurality of flushing heads 204b-2 arranged at the bottom end of the distribution box 204b-1 and opposite to the filter plate 202; the dirty oil enters the distribution box 204b-1 after further increasing the pressure of the dirty oil by the flow guide pipe 204a, and finally is sprayed out from the flushing heads 204b-2 at the bottom end of the distribution box 204b-1, the sprayed dirty oil has an initial jet speed, impacts on the rotating filter plate 202, reversely flushes the sundries stuck on the filter plate 202, and then discharges the dirty oil from the dirt discharging cavity 201c and the dirt discharging groove 201d.

[0041] The width of the plurality of flushing heads 204b-2 is greater than the width of the mesh area 202b, and the jet lines of the plurality of flushing heads 204b-2 rotate to cover the entire mesh area 202b to perform comprehensive back flushing on the mesh area 202b.

[0042] L-shaped plate 203a is provided with a booster plate 203a-1, which is located on the booster side 203c and above the water inlet of the flow guide pipe 204a. The booster plate 203a-1 further reduces the flow area of the booster side 203c, increases the flow pressure of the dirty oil at this position, and improves the backwashing effect.

[0043] The remaining structure is the same as that of Example 1.

[0044] During use, when dirty oil is extracted, the dirty oil enters from the bottom end of the connecting pipe 101 and passes through the filter plate 202 into the booster side 203c. The rotating filter plate 202 filters impurities in the dirty oil, and the pressure of the dirty oil increases when it passes through the booster side 203c. The dirty oil will enter the flow guide pipe 204a and finally be sprayed out from the flushing head 204b-2 at the bottom end of the distribution box 204b-1. The sprayed dirty oil will have an initial jet speed, impacting the rotating filter plate 202, and performing a reverse flushing on the impurities stuck on the filter plate 202, and then being discharged from the exhaust chamber 201c and the exhaust groove 201d along with the oil dirt.

[0045] Example 3

[0046] Reference Figures 1-4 For the third embodiment of the present application, the difference between this embodiment and the second embodiment is that the filter plate 202 includes a plate body 202a rotatably installed on the notched disc 201a, a mesh area 202b provided on the plate body 202a and coinciding with the notches of the notched disc 201a, and a driving part 202c provided in the plate body 202a. The plate body 202a and the notched disc 201a are connected by a rotating shaft.

[0047] When the mesh area 202b rotates, it coincides with the notches between the notched disc 201a and the connecting pipe 101 in rotation. The dirty oil passes through the mesh area 202b to filter impurities in the dirty oil.

[0048] The driving part 202c includes a plurality of mounting blocks 202c-1 provided inside the mesh area 202b, and a trapezoidal slot 202c-2 provided in the mounting block 202c-1 and penetrating through the mounting block 202c-1. The bottom width of the trapezoidal slot 202c-2 is greater than the top width. When the dirty oil passes through the mesh area 202b, it will pass through the trapezoidal slot 202c-2. The dirty oil pushes the inclined side of the trapezoidal slot 202c-2, thereby driving the entire plate body 202a to rotate. The mesh area 202b cooperates with the flushing head 204b-2 to form a filtering-backwashing cycle when filtering.

[0049] The support plate 201b includes a flow passage side 201b-1 matched with the connected pipeline 101, and a sealing side 201b-2 matched with the mounting block 202c-1; the width of the sealing side 201b-2 is greater than the height projection width of the mounting block 202c-1, and the mounting block 202c-1 will not penetrate the cleaning cavity 203b and the pressurization side 203c when rotating through the sealing side 201b-2, so that the pressurization side 203c is kept under pressure at all times.

[0050] The rest of the structure is the same as that of Example 2.

[0051] In use, when the dirty oil is extracted, the dirty oil enters from the bottom end of the connected pipeline 101, and enters the pressurization side 203c from the trapezoidal groove 202c-2 through the filter plate 202, while driving the filter plate 202 to rotate to filter the impurities in the dirty oil, and at the same time, the pressure of the dirty oil increases when passing through the pressurization side 203c, and will enter the drainage pipe 204a, and finally be sprayed out from the flushing head 204b-2 at the bottom end of the distribution box 204b-1, the sprayed dirty oil will have an initial jet speed, impacting on the rotating filter plate 202, and performing a reverse flushing on the stuck impurities on the filter plate 202, and being discharged from the dirt discharging cavity 201c and the dirt discharging groove 201d along with the oil dirt.

[0052] Example 4

[0053] Referring to Figure 5 For the fourth embodiment of the application, the difference between this embodiment and the third embodiment is that the driving part 202c includes a driving motor 202c-3 arranged at the bottom end of the L-shaped plate 203a, the output end of the driving motor is connected with an output shaft 202c-4, the output shaft 202c-4 rotates through the drainage pipe 204a and is rotationally sealed therebetween, and the bottom end of the output shaft 202c-4 is connected with the plate body 202a.

[0054] The pressurization plate 203a-1 is circular and is provided with a groove 203a-2 on the outer side, the pressurization plate 203a-1 is fixed with the driving shaft 202c-4 and rotates through the L-shaped plate 203a, when the pressurization plate 203a-1 rotates with the driving motor 202c-3, the groove 203a-2 rotates to the pressurization side 203c, which will increase the flow passage area of the pressurization side 203c, and the flow passage area of the pressurization side 203c is variable, so as to change the initial jet speed of the dirty oil sprayed out from the bottom end of the distribution box 204b-1, and when the initial jet speed is large, the firm impurities in the mesh area 202b can be flushed.

[0055] In use, when the dirty oil is extracted, the dirty oil enters from the bottom end of the connecting pipeline 101, and enters the booster side 203c from the trapezoidal groove 202c-2 passing through the filter plate 202, at the same time, the rotating filter plate 202 filters the impurities in the dirty oil, the pressure of the dirty oil increases when passing through the booster side 203c, and the dirty oil will enter the drainage pipe 204a, and finally be sprayed out from the flushing head 204b-2 at the bottom end of the distribution box 204b-1, the sprayed dirty oil will have an initial jet speed, the booster plate 203a-1 rotates to change the initial jet speed of the dirty oil sprayed out from the bottom end of the distribution box 204b-1, and impact on the rotating filter plate 202, to perform a reverse flushing on the stuck impurities on the filter plate 202, when the initial jet speed is large, the firm impurities in the mesh area 202b can be flushed, and the oil dirt is discharged from the dirt discharging cavity 201c and the dirt discharging groove 201d.

[0056] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A sludge and oil extraction and filtration device, characterized in that: include, The installation unit (100) includes a connecting pipe (101), a float plate (102) disposed outside the connecting pipe (101); and, The filter unit (200) includes a mounting plate (201) disposed inside the connecting pipe (101), a filter plate (202) rotatably disposed on the mounting plate (201) and in contact with the connecting pipe (101), a pressurizing component (203) disposed in the connecting pipe (101), and a flushing component (204) connected to the pressurizing component (203) and used to clean the filter plate (202); The mounting plate (201) includes a notched disc (201a) that fits against the inner wall of the connecting pipe (101), and a support plate (201b) disposed on the notch edge of the notched disc (201a); The notched disc (201a) forms a drain chamber (201c) with the filter plate (202), the support plate (201b) and the connecting pipe (101). The connecting pipe (101) is provided with a drain trough (201d) that communicates with the drain chamber (201c). The drain trough (201d) is located above the float plate (102). The pressurization assembly (203) includes an L-shaped plate (203a) disposed on the connecting pipe (101), the bottom end of the L-shaped plate (203a) slidingly abutting against the filter plate (202), and the bottom end coincides with the height projection of the support plate (201b); A cleaning chamber (203b) is formed between the L-shaped plate (203a), the connecting pipe (101), and the filter plate (202). A pressurizing side (203c) is formed between the side of the L-shaped plate (203a) and the connecting pipe (101). The flushing assembly (204) is located in the cleaning chamber (203b) and communicates with the pressurizing side (203c).

2. The sludge and oil extraction and filtration device according to claim 1, characterized in that: The flushing assembly (204) includes a drain pipe (204a) disposed on the L-shaped plate (203a) and communicating with the pressurization side (203c), and a spray section (204b) disposed at the bottom end of the drain pipe (204a).

3. The sludge and oil extraction and filtration device according to claim 2, characterized in that: The spray section (204b) includes a distribution box (204b-1) disposed at the bottom end of the drainage tube (204a), and a plurality of flushing heads (204b-2) disposed at the bottom end of the distribution box (204b-1) and opposite to the filter plate (202).

4. The sludge and oil extraction and filtration device according to any one of claims 1 to 3, characterized in that: The filter plate (202) includes a plate body (202a) rotatably mounted on the notched disc (201a), a mesh area (202b) disposed on the plate body (202a) and overlapping the notch of the notched disc (201a), and a drive part (202c) disposed on the plate body (202a).

5. The sludge and oil extraction and filtration device according to claim 4, characterized in that: The drive unit (202c) includes a plurality of mounting blocks (202c-1) disposed inside the mesh area (202b), and a trapezoidal groove (202c-2) disposed in the mounting block (202c-1) and penetrating the mounting block (202c-1).

6. The sludge and oil extraction and filtration device according to claim 5, characterized in that: The support plate (201b) includes a flow side (201b-1) that mates with the connected pipe (101) and a sealing side (201b-2) that mates with the mounting block (202c-1); the width of the sealing side (201b-2) is greater than the height projection width of the mounting block (202c-1).

7. The sludge and oil extraction and filtration device according to claim 2 or 3, characterized in that: The L-shaped plate (203a) is provided with a pressure boosting plate (203a-1), which is located on the pressure boosting side (203c) and above the inlet of the drain pipe (204a).

8. The sludge and oil extraction and filtration device according to any one of claims 1 to 3, 5 and 6, characterized in that: The float plate (102) is circular and is sleeved on the outside of the connecting pipe, and is higher than the bottom of the connecting pipe.

Images