A centralized oil supply filtration system

Abstract

The present invention belongs to the technical field of waste oil recovery equipment, and is particularly a centralized oil supply and filtration system, including an oil tank group, a centralized oil supply system, a circulating filtration system and a control system, wherein the oil tank group is connected to the circulating filtration system and the centralized oil supply system, wherein the centralized oil supply system includes an oil supply pump and a standby pump, wherein the oil tank group includes a sedimentation oil tank, a drying oil tank, a dirty oil tank and a clean oil tank, wherein the circulating filtration system includes a filter system 1, a filter system 2, a filter system 3 and a filter system 4, wherein the number of oil pumps is five, the number of standby pumps is one, the standby pump pipeline is connected to the five-way oil supply pipelines of the other five oil supply pumps, a heating system is centralized at the bottom of the clean oil tank, and an oil-water-gas separation system is installed in the clean oil tank. In the centralized oil supply and filtration system, waste oil can be filtered layer by layer through the cooperation of the oil tank group and the circulating filtration system, and can finally be used, and then supplied with oil through the centralized rack of the oil supply system.

Description

Technical Field

[0001] The invention belongs to the technical field of waste oil recovery equipment, and in particular relates to a centralized oil supply filtering system. Background Art

[0002] Waste oil mostly refers to the oil used in mechanical processing and mechanical transmission. In medium and large processing plants, a large amount of hydraulic oil and heat dissipation oil are used. As the impurities in the oil continue to increase, waste oil is formed. When a car is scrapped, its fuel tank contains some waste oil. Today, when global oil resources are scarce, even waste oil is a valuable resource. It has positive significance to make up for the shortage of oil resources in my country, reduce environmental pollution, guide energy conservation, and rationally use waste oil to reduce energy loss and promote the sustainable development of my country's economy and society.

[0003] The existing technology has the following problems:

[0004] Without a complete waste oil treatment system, the waste oil in each treatment stage needs to be pumped and transferred at multiple stages. In the absence of a circulation system, the waste oil will gradually erode the pumping pipeline, ultimately significantly reducing the service life of the components.

[0005] Since heavy oil, lubricating oil, crude oil, etc. often have higher viscosity at lower temperatures, they are difficult to transfer. Traditional heating equipment cannot quickly circulate the oil inside the entire tank. Paint involves a larger tank, which is even more difficult to heat quickly and completely.

[0006] In order to solve the above problems, this application proposes a centralized oil supply filtration system. Summary of the invention

[0007] In order to solve the problems raised in the above background technology, the present invention provides a centralized oil supply filtering system, which has the characteristics of high efficiency and cyclic multi-stage waste oil treatment.

[0008] To achieve the above object, the present invention provides the following technical solution: a centralized oil supply and filtration system, comprising an oil tank group, a centralized oil supply system, a circulating filtration system and a control system, wherein the oil tank group is connected to the circulating filtration system and the centralized oil supply system;

[0009] The centralized oil supply system includes an oil supply pump and a backup pump. The number of the oil pumps is five, the number of the backup pump is one, and the pipeline of the backup pump is connected to the five oil supply pipelines of the other five oil supply pumps;

[0010] The oil tank group includes a sedimentation oil tank, a drying oil tank, a dirty oil tank and a clean oil tank, the bottom of the clean oil tank is centrally provided with a heating system, the clean oil tank is equipped with an oil-water-gas separation system, and the clean oil tank is equipped with an oil-water / gas separation system;

[0011] The circulating filtration system includes filtration system one, filtration system two, filtration system three and filtration system four.

[0012] The control system includes an electrical cabinet in which PLC control elements are installed.

[0013] The oil-water-gas separation system comprises a sedimentation tank body, in which a gas-liquid separator is installed.

[0014] The filtering system 1 comprises four groups of filtering tanks A, which are interconnected and each of which has a carbon ion filter installed therein.

[0015] The second filtering system comprises two filtering tanks B, and filtering tanks B are provided with filtering layers.

[0016] The filter system three includes a filter element A.

[0017] The filter system 4 includes a plurality of filter elements B connected end to end.

[0018] As a preferred centralized oil supply filtration system of the present invention, the heating system includes a bottom cavity, which is installed at the bottom of the clean oil tank, and a pump pipe and two opening and closing pipes are installed at the upper end of the bottom cavity, and the pump pipe and the opening and closing pipes are both connected to the clean oil tank.

[0019] As a preferred centralized oil supply filtration system of the present invention, the system further comprises two partitions fixed to the bottom cavity;

[0020] A plurality of core tubes, both ends of which penetrate through the partition and are fixed thereto;

[0021] A mesh tube, fixed to one end of the core tube and connected concentrically therewith, and having the other end passing through the side wall of the bottom cavity;

[0022] The bushing is located between the two partitions and fixed at both ends thereof, and is located on the plurality of core tubes, with a gap between the bushing and the core tubes;

[0023] A heating tube, one end of which is outside the bottom cavity, and the other end of which passes through the mesh tube and extends into the core tube, wherein the heating tube does not contact the inner wall of the core tube.

[0024] As a preferred centralized oil supply filtration system of the present invention, a sealing plug is fixedly installed at one end of the heating tube outside the bottom cavity, and the outer end of the heating tube is fixed to the outer wall of the bottom cavity by bolts. After the bolts are tightened, the sealing plug is inserted into the end of the mesh pipe and sealed.

[0025] As a preferred embodiment of the centralized oil supply filtration system of the present invention, a solenoid valve is installed in each of the opening and closing pipes to control opening and closing.

[0026] As a preferred centralized oil supply filtration system of the present invention, the lower end of the pump pipe extends to the inner bottom end position of the bottom cavity.

[0027] As a preferred centralized oil supply filtration system of the present invention, a plurality of suction holes communicating with the interior of the pump pipe are provided at the lower end of the pump pipe, and the suction holes are arranged in an annular array at the bottom of the pump pipe.

[0028] As a preferred centralized oil supply filtration system of the present invention, mesh holes are opened on the outside of the mesh pipe, and the mesh holes are evenly distributed outside the mesh pipe. A heat conduction pipe is fixed to one end of the mesh pipe that passes through the bottom cavity. The mesh pipe is fixed to the bottom cavity through the heat conduction pipe, and the heat conduction pipe is outside the side wall of the bottom cavity and flush with its outside.

[0029] As a preferred centralized oil supply filtration system of the present invention, the heating tube is located outside the bottom cavity and is also fixedly mounted with a clamping ring, and the clamping ring is fixed with fixing ears at the upper and lower parts, and bolts penetrate the fixing ears.

[0030] As a preferred centralized oil supply filtration system of the present invention, the sealing plug is located on the inner side of the retaining ring and matches the inner diameter of the heat conduction pipe, and a nut is installed after the bolt passes through the retaining ring.

[0031] Compared with the prior art, the beneficial effect of the present invention is that the waste oil can be filtered layer by layer through the cooperation of the oil tank group and the circulating filtration system, and can finally be used, and then the oil is supplied to the centralized rack through the oil supply system.

[0032] Compared with the prior art, the beneficial effects of the present invention are: the heating pipe can circulate and heat the oil inside the clean oil tank, which can make the whole machine pumping oil more smoothly, and it is relatively simple to replace the heating pipe, and the heat transfer efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0034] Figure 1 It is a structural schematic diagram of the present invention;

[0035] Figure 2 For the present invention Figure 1 The enlarged view of point A in the middle;

[0036] Figure 3 It is a top view of the structure of the present invention;

[0037] Figure 4 It is a side view of the structure of the present invention;

[0038] Figure 5It is a front view of the structure of the present invention;

[0039] Figure 6 It is a structural diagram of the structural heating system of the present invention;

[0040] Figure 7 It is an internal diagram of the structural heating system of the present invention;

[0041] Figure 8 The structure of the present invention Figure 6 A magnified view of the structure at center A;

[0042] Fig. 9 It is a structural diagram of the heating tube of the present invention.

[0043] Among them: 1. Oil tank group; 11. Sedimentation oil tank; 12. Drying oil tank; 13. Dirty oil tank; 14. Clean oil tank; 15. Heating system; 151. Bottom cavity; 152. Pump pipe; 153. Open and close pipe; 154. Baffle; 155. Core pipe; 156. Mesh pipe; 157. Bushing; 158. Heating pipe; 159. Sealing plug; 1510. Liquid suction hole; 1511. Mesh; 1512. Heat conduction pipe; 1513. Clamp ring; 1514. Fixing ear;

[0044] 16. Water-gas separation system; 161. Sedimentation tank;

[0045] 2. Centralized oil supply system; 21. Oil supply pump; 22. Standby pump;

[0046] 3. Circulation filtration system; 31. Filter system one; 311. Filter tank A; 32. Filter system two; 321. Filter tank B; 33. Filter system three; 331. Filter element A; 34. Filter system four; 341. Filter element B;

[0047] 4. Control system; 41. Electrical cabinet. DETAILED DESCRIPTION

[0048] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0049] Example 1 Figure 1-5 As shown;

[0050] A centralized oil supply and filtration system comprises an oil tank group 1, a centralized oil supply system 2, a circulating filtration system 3 and a control system 4. The oil tank group 1 is connected to the circulating filtration system 3 and the centralized oil supply system 2. The centralized oil supply system 2 comprises an oil supply pump 21 and a standby pump 22. The oil tank group 1 comprises a sedimentation oil tank 11, a drying oil tank 12, a dirty oil tank 13 and a clean oil tank 14. The circulating filtration system 3 comprises a filter system 1 31, a filter system 2 32, a filter system 3 33 and a filter system 4 34. There are five oil supply pumps 21 and one standby pump 22. The pipeline of the standby pump 22 is connected to the five oil supply pipelines of the other five oil supply pumps 21. A heating system 15 is centrally arranged at the bottom of the clean oil tank 14. The clean oil tank 14 is equipped with an oil-water-gas separation system 16.

[0051] In this implementation scheme: the control system 4 controls the circulating filtration system 3, the centralized oil supply system 2 and the oil tank group 1. The waste oil inside the oil tank group 1 passes through the circulating filtration system 3 and is then pumped by the centralized oil supply system 2. At the same time, when the five oil supply pumps 21 fail, they can be quickly switched to the standby pumps 22 to work, and the removal and maintenance of the faulty pump will not affect the normal operation of the system.

[0052] In an optional embodiment, the control system 4 includes an electrical cabinet 41 , in which a PLC control element is installed.

[0053] In this embodiment: the PLC control element can control the operation of the entire circulating oil circuit to ensure that clean oil is pumped and dirty oil is introduced.

[0054] In an optional embodiment, the oil-water-gas separation system 16 includes a sedimentation tank 161 , in which a gas-liquid separator is installed.

[0055] In this embodiment, the sedimentation tank 161 can remove the moisture and gas contained in the oil in the clean oil tank 14 to obtain clean oil.

[0056] In an optional embodiment, the filtering system 31 includes four groups of filtering tanks A311, the four groups of filtering tanks A311 are interconnected, and a carbon ion filter is installed inside the filtering tank A311.

[0057] In this embodiment, the four groups of filter tanks A311 cooperate with each other to achieve maximum treatment of impurities in dirty oil, thereby obtaining basically usable oil.

[0058] In an optional embodiment, the second filtering system 32 includes two filtering tanks B321, and filtering layers are provided in the filtering tanks B321.

[0059] In this embodiment: the filter layer of the filter tank B321 is used for primary filtration of oil.

[0060] In an optional embodiment, the filter system three 33 includes a filter element A331.

[0061] In this embodiment: filter element A331 completes preliminary oil filtration.

[0062] In an optional embodiment, the filtration system four 34 includes multiple groups of filter elements B341 connected end to end.

[0063] In this embodiment: multiple filter elements B341 can achieve clean secondary filtration.

[0064] like Figure 6-9 In an optional embodiment, the heating system 15 includes a bottom cavity 151, which is installed at the bottom of the clean oil tank 14. A pump pipe 152 and two opening and closing pipes 153 are installed at the upper end of the bottom cavity 151. The pump pipe 152 and the opening and closing pipes 153 are both connected to the clean oil tank 14.

[0065] In this embodiment, the bottom cavity 151 is a hollow structure, which is directly installed at the bottom of the clean oil tank 14 and acts on the entire clean oil tank 14 . A submersible pump is installed in the pump pipe 152 .

[0066] In an optional embodiment, two partitions 154 are further included, fixed to the bottom cavity 151;

[0067] A plurality of core tubes 155, both ends of which penetrate the partition plate 154 and are fixed thereto;

[0068] The mesh tube 156 is fixed to one end of the core tube 155 and is concentrically connected thereto, and the other end thereof penetrates the side wall of the bottom cavity 151;

[0069] The bushing 157 is located between the two partitions 154 and fixed to the two partitions at both ends. The bushing 157 is located above the core tubes 155 and has a gap between the bushing and the core tubes 155.

[0070] One end of the heating tube 158 is outside the bottom cavity 151 , and the other end passes through the mesh tube 156 and extends into the core tube 155 . The heating tube 158 does not contact the inner wall of the core tube 155 .

[0071] In this embodiment: when the oil is filled into the bottom cavity 151, it can enter the core tube 155 through the mesh tube 156 to heat a portion of the oil first, and the bushing 157 can prevent the entire upper oil temperature from acting on the core tube 155. Two terminals are provided at the end of the heating tube 158, and various heating methods such as graphene heating or ceramic heating can be adopted.

[0072] In an optional embodiment, a sealing plug 159 is fixedly installed at one end of the heating tube 158 outside the bottom cavity 151, and the outer end of the heating tube 158 is fixed to the outer wall of the bottom cavity 151 by bolts. After the bolts are tightened, the sealing plug 159 is inserted into the end of the mesh tube 156 and sealed.

[0073] In this embodiment, after the oil in the bottom cavity 151 is extracted, the heating tube 158 can be taken out to clean its surface.

[0074] In an optional embodiment, a solenoid valve is installed in the opening and closing tube 153 to control the opening and closing.

[0075] In this embodiment, the inflow and outflow of oil can be controlled at any time, and the oil can be divided into two parts: the clean oil tank 14 and the bottom cavity 151. It is easier to heat the area by different zones.

[0076] In an optional embodiment, the lower end of the pump tube 152 extends to the inner bottom end position of the bottom cavity 151 .

[0077] In this embodiment, when the pump tube 152 pumps the oil into the clean oil tank 14 , the oil in the bottom cavity 151 can be completely pumped out.

[0078] In an optional embodiment, a plurality of suction holes 1510 communicating with the interior of the pump tube 152 are formed at the lower end thereof, and the suction holes 1510 are arranged in a circular array at the bottom of the pump tube 152 .

[0079] In this embodiment, the pump tube 152 absorbs the oil in the bottom cavity 151 through the suction hole 1510, so as to fully absorb the oil in the bottom cavity 151 and prevent oil leakage during repair and replacement.

[0080] In an optional embodiment, mesh holes 1511 are opened on the outside of the mesh tube 156, and the mesh holes 1511 are evenly distributed outside the mesh tube 156. A heat pipe 1512 is fixed to one end of the mesh tube 156 that passes through the bottom cavity 151. The mesh tube 156 is fixed to the bottom cavity 151 through the heat pipe 1512. The heat pipe 1512 is outside the side wall of the bottom cavity 151 and flush with its exterior.

[0081] In this embodiment, the heat pipe 1512 has a certain thickness and can be used to support the mesh pipe 156. The mesh holes 1511 on the mesh pipe 156 are mainly used for overflow transfer after the oil is heated.

[0082] In an optional embodiment, a clamping ring 1513 is fixedly installed outside the bottom cavity 151 of the heating tube 158 , and fixing ears 1514 are fixed on the upper and lower sides of the clamping ring 1513 , and bolts penetrate the fixing ears 1514 .

[0083] In this embodiment, the fixing ears 1514 are provided to increase the connection strength and prevent leakage at the heating position due to expansion of the oil during heating, which may cause danger and other problems.

[0084] In an optional embodiment, the sealing plug 159 is located on the inner side of the retaining ring 1513 and matches the inner diameter of the heat pipe 1512 , and a nut is installed after the bolt passes through the retaining ring 1513 .

[0085] In this embodiment: the sealing plug 159 is made of rubber material, and can also adopt a metal step structure, and then used in conjunction with a gasket, ultimately used to achieve sealing.

[0086] The working principle and use process of the present invention are as follows: the waste oil enters the dirty oil tank 13 and then enters the sedimentation tank 11 for preliminary sedimentation treatment and then enters the drying oil tank 12 for drying, and then passes through the circulating filtration system 3 to further remove impurities in the oil. The clean oil is stored in the clean oil tank 14. The clean oil tank 14 is equipped with an oil-water-gas separation system 16. The treated hydraulic oil can be pumped to the stand for use. The heating system 15 of the clean oil tank 14 can reduce the resistance during pumping, and the main heating pipe can heat the oil inside the clean oil tank 14 in different areas.

[0087] It can also make it easier to precipitate moisture and gas in the oil. The test bench oil supply pump 21 and the spare pump 22 adopt a five-in-one form, in which the spare pump 22 has a pipeline connected to the oil supply pipelines of the other five oil supply pumps 21. When the five oil supply pumps 21 fail, they can be quickly switched to the spare pump 22 for operation, and the removal and maintenance of the faulty pump will not affect the normal operation of the system.

[0088] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A centralized oil supply filtration system, comprising an oil tank assembly (1), characterized in that: It also includes a centralized oil supply system (2), a circulation filtering system (3) and a control system (4), wherein the oil tank group (1) is connected to the circulation filtering system (3) and the centralized oil supply system (2); The oil tank group (1) comprises a sedimentation oil tank (11), a drying oil tank (12), a dirty oil tank (13) and a clean oil tank (14); a heating system (15) is centrally arranged at the bottom of the clean oil tank (14); and an oil-water-gas separation system (16) is installed in the clean oil tank (14); The centralized oil supply system (2) comprises an oil supply pump (21) and a standby pump (22), the number of the oil supply pumps (21) being five, the number of the standby pump (22) being one, and the pipeline of the standby pump (22) being connected to the five oil supply pipelines of the other five oil supply pumps (21); The circulating filtration system (3) comprises a filtration system 1 (31), a filtration system 2 (32), a filtration system 3 (33) and a filtration system 4 (34); The control system (4) comprises an electrical cabinet (41), in which a PLC control element is installed; The oil-water-gas separation system (16) comprises a sedimentation tank (161), in which a gas-liquid separator is installed; The filtering system 1 (31) comprises four groups of filtering tanks A (311), the four groups of filtering tanks A (311) are interconnected, and a carbon ion filter is installed inside the filtering tank A (311); The second filtering system (32) comprises two filtering tanks B (321), wherein the filtering tanks B (321) are provided with filtering layers; The filtering system three (33) comprises a filter element A (331); The filtering system four (34) comprises a plurality of groups of filter elements B (341) connected end to end; The heating system (15) comprises a bottom chamber (151), the bottom chamber (151) being mounted at the bottom of the clean oil tank (14), a pump pipe (152) and two opening and closing pipes (153) being mounted at the upper end of the bottom chamber (151), the pump pipe (152) and the opening and closing pipes (153) both being in communication with the inside of the clean oil tank (14); It also includes two partitions (154) fixed to the bottom cavity (151); A plurality of core tubes (155), both ends of which pass through the partition plate (154) and are fixed thereto; A mesh tube (156) fixed to one end of the core tube (155) and connected concentrically therewith, and having the other end passing through the side wall of the bottom cavity (151); The bushing (157) is located between the two partitions (154) and is fixed to the two partitions at both ends, and is located on the plurality of core tubes (155) and has a gap between the bushing and the core tubes (155); A heating tube (158) has one end located outside the bottom cavity (151), and the other end passes through the mesh tube (156) and extends into the core tube (155); the heating tube (158) does not contact the inner wall of the core tube (155).

2. The centralized oil supply filtration system according to claim 1, characterized in that: A sealing plug (159) is fixedly mounted on one end of the heating tube (158) outside the bottom cavity (151); the outer end of the heating tube (158) is fixed to the outer wall of the bottom cavity (151) by means of bolts; after the bolts are tightened, the sealing plug (159) is inserted into the end of the mesh tube (156) and sealed.

3. The centralized oil supply filtration system according to claim 1, characterized in that: The opening and closing pipes (153) are each equipped with a solenoid valve for controlling opening and closing.

4. The centralized oil supply filtration system according to claim 1, characterized in that: The lower end of the pump tube (152) extends to the inner bottom end position of the bottom cavity (151).

5. The centralized oil supply filtration system according to claim 4, characterized in that: A plurality of liquid suction holes (1510) communicating with the interior of the pump tube (152) are provided at the lower end of the pump tube (152), and the liquid suction holes (1510) are arranged in a circular array at the bottom of the pump tube (152).

6. The centralized oil supply filtration system according to claim 2, characterized in that: The mesh tube (156) is provided with mesh holes (1511) on the outside, and the mesh holes (1511) are evenly distributed outside the mesh tube (156). A heat conduction pipe (1512) is fixed to one end of the mesh tube (156) that passes through the bottom cavity (151). The mesh tube (156) is fixed to the bottom cavity (151) via the heat conduction pipe (1512), and the heat conduction pipe (1512) is outside the side wall of the bottom cavity (151) and is flush with the outside thereof.

7. The centralized oil supply filtration system according to claim 6, characterized in that: The heating tube (158) is located outside the bottom cavity (151) and is also fixedly mounted with a clamping ring (1513). The clamping ring (1513) is fixed with fixing ears (1514) above and below, and bolts penetrate the fixing ears (1514).

8. The centralized oil supply filtration system according to claim 7, characterized in that: The sealing plug (159) is located on the inner side of the clamping ring (1513) and matches the inner diameter of the heat conducting pipe (1512); a nut is installed after the bolt passes through the clamping ring (1513).

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