Oil-liquid separation device for disassembling scraped car

Abstract

The utility model discloses an oil-liquid separation device for disassembling a scraped car, and relates to the technical field of oil-liquid separation. The pretreatment equipment is mounted at the top of the rack and is used for filtering impurities in the waste liquid; the two sets of separation equipment are used for oil-liquid separation, and the two sets of separation equipment are connected with the pretreatment equipment through pipelines; the separation equipment comprises a liquid storage tank, the bottom of the liquid storage tank is connected with a three-way switching valve used for switching the flow direction of liquid, and the bottom end of the interior of the liquid storage tank is fixedly provided with an inflating disc used for injecting bubbles into wastewater; the wastewater treatment device has the beneficial effects that by arranging the pretreatment equipment, large-particle impurities in wastewater can be filtered, precipitates in the wastewater are reduced, and the risk of pipeline blockage is reduced. The filter disc can filter large impurities, and because scrap iron exists in waste water, the scrap iron can be adsorbed through the magnet rod, so that the filtering effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil separation technical field, especially a kind of oil separation device for scrap car dismantling. BACKGROUND

[0002] Automobile manufacturing consumes a large amount of resources, including steel, plastic, non-ferrous metals, etc. Scrap car recycling can effectively utilize these resources. According to statistics, more than 90% of non-ferrous metal parts on waste cars can be reused, and the recycling rate of steel, glass and plastic materials is also high, which helps to reduce the demand for primary resources and save resources. At the same time, the recycling of scrap cars can reduce environmental pollution and reduce damage to the ecosystem.

[0003] Most of the automobile parts are contaminated with oil and other oil, and the disassembled parts need to be cleaned and the oil on the surface of the parts removed when the scrap car is recycled. The wastewater for cleaning the parts has a relatively high oil content, and the oil needs to be separated from the wastewater first.

[0004] Common oil separation methods include filtration, centrifugal separation, gravity separation, etc. Among them, the filtration method is relatively simple to separate oil, but the wastewater for cleaning the parts contains iron filings and other impurities. When using the filtration method, the filter screen and filter membrane need to be cleaned frequently to ensure the normal operation of the filtration equipment. Centrifugal separation has a fast separation speed, but the cost is relatively high and is relatively less used in the field. Gravity separation has the lowest cost, but the corresponding separation speed is relatively slow. SUMMARY

[0005] The purpose of the utility model is to provide an oil separation device for scrap car dismantling to solve the above problems.

[0006] The utility model achieves the above-mentioned purpose by the following technical solutions:

[0007] An oil separation device for scrap car dismantling includes

[0008] a rack;

[0009] a pretreatment device installed on the top of the rack, which is used to filter impurities in the waste liquid;

[0010] Two separation devices are used for oil liquid separation, and the two separation devices are connected with the pretreatment device through pipelines; the separation device comprises a liquid storage tank, a three-way switch valve for switching the liquid flow direction is connected to the bottom of the liquid storage tank, a gas disc for injecting gas bubbles into waste water is fixedly installed at the bottom end in the liquid storage tank, the gas disc is connected with an external gas source device, a plurality of gas holes for discharging gas are formed in the top of the gas disc, a guide groove vertically arranged is formed in the inner wall of the liquid storage tank, a floating frame is slidably connected in the guide groove, a mesh cylinder is installed on the floating frame, the mesh cylinder is connected with an oil pumping pump through a silica gel hose, and the oil pumping pump is fixedly installed on a rack.

[0011] As a further improvement, the pretreatment device comprises a filter box and a box cover hinged to the top of the filter box, a support block is installed on the inner wall of the filter box, and a filter disc for filtering waste liquid is arranged on the support block.

[0012] As a further improvement, a handle is fixedly connected to the filter disc.

[0013] As a further improvement, a plurality of plastic tubes fixedly installed on the inner wall of the filter box are arranged below the filter disc, the plastic tubes extend to the outside of the filter box, a magnet rod for adsorbing iron filings is arranged in the plastic tube, a material collecting disc for collecting the iron filings is arranged below the plastic tube, and an opening for conveniently taking out the material collecting disc is formed in the side wall of the filter box.

[0014] As a further improvement, the magnet rod is connected through a connecting plate.

[0015] As a further improvement, the gas disc comprises a bottom disc and a rubber disc connected to the bottom disc, the bottom disc is provided with an air inlet hole, and the rubber disc is provided with a plurality of air outlet holes.

[0016] As a further improvement, the density of the floating frame is between the density of water and the density of oil liquid.

[0017] As a further improvement, an L-shaped through hole is formed in the floating frame, the top of the through hole is connected with the mesh cylinder, and the other end of the through hole is connected with the oil pumping pump through a silica gel hose.

[0018] As a further improvement, an oil storage tank is fixedly installed on the rack, and the liquid outlet end of the oil pumping pump is in communication with the oil storage tank.

[0019] As a further improvement, a sludge tank is also fixedly installed on the rack.

[0020] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0021] 1. The utility model discloses a pretreatment equipment can filter some big granular impurities in waste water, reduces the precipitate in waste water, reduces the risk of pipeline blockage. The filter disc can filter larger impurities, since there is still iron filings in waste water, can adsorb iron filings through the magnet stick, reaches the filtering effect, the magnet stick is installed in the plastic tube, like this when drawing out the magnet stick, loses the iron filings of magnetic force and can fall on the material collecting tray, on the one hand, solved the iron filings on the magnet stick difficult to remove the problem, on the other hand, avoided the iron filings to fall in the filter box bottom, the problem of inconvenient cleaning.

[0022] 2. The utility model discloses two separation equipment are set up, when the water level of one separation equipment reaches the set value, this separation equipment carries out gravity separation, and waste water flow direction switches to another separation equipment, and two separation equipment alternate work, realize continuous operation, in addition, the liquid storage tank is equipped with the air -inflating tray still, a large amount of bubble is discharged into waste water through, and the oil liquid is driven to go up in the rising process of bubble, and separation speed is accelerated. DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description is only some embodiments of the utility model, and for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0024] Figure 1 It is the structural schematic diagram of the oil liquid separation device for the scrap car dismantling of the utility model.

[0025] Figure 2 It is the structural schematic diagram of the pretreatment equipment of the oil liquid separation device for the scrap car dismantling of the utility model.

[0026] Figure 3 It is the structural schematic diagram of the separation equipment of the oil liquid separation device for the scrap car dismantling of the utility model.

[0027] Figure 4 It is Figure 3 The enlarged view of A of

[0028] The following explains the reference signs:

[0029] 1, rack; 2, ladder; 3, pretreatment device; 31, filter box; 32, support block; 33, filter disc; 34, box cover; 35, liquid inlet hole; 36, plastic tube; 37, magnet rod; 38, material collecting disc; 4, separation device; 41, liquid storage tank; 42, air pump disc; 43, guide groove; 44, floating frame; 45, mesh tube; 46, liquid outlet hole; 5, oil pump; 6, oil storage tank; 7, three-way switch valve; 8, sludge tank. DETAILED DESCRIPTION

[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application, in addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated, therefore, the features with "first", "second" and the like can explicitly or implicitly include one or more of the features, in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0031] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication between two elements, for those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] The present application will be further described below in conjunction with the drawings:

[0033] As shown in Figures 1-4 The oil separation device for disassembling of scrapped cars comprises a rack 1, and the rack 1 is respectively provided with a pretreatment device 3, two separation devices 4 arranged along the front and rear directions, an oil storage tank 6 and a sludge tank 8.

[0034] As shown in Figure 1 The rack 1 has two layers, and the rack 1 is provided with a ladder 2 on the side, which is convenient for maintenance of the equipment.

[0035] As shown in Figure 1 And Figure 2As shown, the pretreatment device 3 is installed on the top of the rack 1 to discharge the preliminarily filtered waste liquid into the separation device 4 by gravity; the pretreatment device 3 comprises a filter box 31 and a box cover 34 hinged on the top of the filter box 31, the box cover 34 is provided with a liquid inlet hole 35 through which the waste water for cleaning parts enters the filter box 31, support blocks 32 are installed on the inner wall of the filter box 31 and used to support filter discs 33, the support blocks 32 are provided with the filter discs 33 for filtering waste liquid, the filter discs 33 are fixedly connected with handles for conveniently taking out the filter discs 33 for cleaning.

[0036] A plurality of plastic tubes 36 fixedly installed on the inner wall of the filter box 31 are arranged below the filter discs 33, the plastic tubes 36 extend to the outside of the filter box 31, the plastic tubes 36 are provided with magnet rods 37 for adsorbing iron filings, the magnet rods 37 are connected by a connecting plate for conveniently taking out all the magnet rods 37 at one time. A material collecting disc 38 for collecting iron filings is arranged below the plastic tubes 36, and an opening is arranged on the side wall of the filter box 31 for conveniently taking out the material collecting disc 38, so that when the magnet rods 37 are taken out, the iron filings will fall on the material collecting disc 38, reducing the cleaning difficulty. The material collecting disc 38 can also be provided with through holes for conveniently draining water.

[0037] As shown in Figure 1 and Figure 3 The separation device 4 is used for oil liquid separation, and two separation devices 4 are connected with the pretreatment device 3 through pipelines, and the pipelines between the pretreatment device 3 and the two separation devices 4 and the pipelines between the two separation devices 4 and the oil pump 5 are all provided with electric switching valves for switching the pipelines; the separation device 4 comprises a liquid storage tank 41, the bottom of the liquid storage tank 41 is of a conical structure for conveniently gathering precipitates, and the liquid storage tank 41 is connected with a three-way switching valve 7 for switching the flow direction of liquid, in the embodiment, the three-way switching valve 7 is an electric three-way switching valve 7; a gas blowing disc 42 for injecting gas bubbles into waste water is fixedly installed at the bottom end inside the liquid storage tank 41, the gas blowing disc 42 is connected with an external gas source device, and the gas blowing disc 42 comprises a bottom disc and a rubber disc connected to the bottom disc, the bottom disc is provided with an air inlet hole, the rubber disc is provided with a plurality of air outlet holes which are of a conical structure with small top and large bottom, when external gas is filled into the bottom disc, the air outlet holes of the rubber disc are expanded, and the gas is discharged into the waste water in the liquid storage tank 41, when the gas filling is stopped, the air outlet holes are squeezed and closed to prevent the air outlet holes from being blocked; a vertical guide groove 43 is arranged on the inner wall of the liquid storage tank 41, and a floating frame 44 is slidably connected in the guide groove 43, the density of the floating frame 44 is between the density of water and the density of oil liquid, so that the floating frame 44 floats at the boundary between water and oil; as shown in Figure 4As shown, the floating frame 44 is provided with an L-shaped through hole, and a mesh cylinder 45 is installed at the top of the through hole, which mainly has a filtering effect to avoid clogging the oil pump 5, and the other end of the through hole is connected with the oil pump 5 through a silica gel hose, which is easy to bend and deform to avoid affecting the floating of the floating frame 44.

[0038] The rack 1 is fixedly provided with an oil storage tank 6, and the liquid outlet of the oil pump 5 is communicated with the oil storage tank 6 to centrally process the separated oil. The rack 1 is also fixedly provided with a sludge tank 8 for collecting the precipitates in the waste water.

[0039] Working principle: After the equipment is started, the waste water for cleaning the scrap automobile parts is discharged into the pretreatment equipment 3 through the pipeline, and the large particle impurities in the waste water are filtered by the filter disc 33. When the preliminarily filtered waste water passes through the plastic pipe 36, the magnet rod 37 is arranged in the plastic pipe 36, and the iron filings in the waste water are adsorbed on the plastic pipe 36.

[0040] The pretreated waste water is discharged into the liquid storage tank 41, and when the waste water in the liquid storage tank 41 reaches a set amount, the waste water pipeline is switched to another liquid storage tank 41. In the liquid storage tank 41 filled with waste water, the external air supply equipment is started, and fine bubbles are injected into the waste water through the air blowing disc 42. In the rising process of the bubbles, the oil is lifted, and the oil separation is accelerated. The air blowing disc 42 is started for about five minutes and then closed, and is statically waiting for further oil-water separation. At this time, the floating frame 44 gradually stabilizes at the oil-water interface, and the impurities in the waste water gradually precipitate to the bottom of the liquid storage tank 41. After a set time of static state, the oil pump 5 extracts the separated oil and delivers it to the oil storage tank 6. After the oil extraction is completed, the three-way switch valve 7 is opened and communicated to the sludge tank 8 to discharge the bottom precipitates into the sludge tank 8, and then the three-way switch valve 7 is switched to the external sewage treatment tank. The two separation devices 4 work alternately and continuously.

[0041] The basic principle, main features and advantages of the present application are shown and described above, and those skilled in the art should understand that the present application is not limited to the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An oil-liquid separation device for dismantling end-of-life vehicles, characterized in that, include: Rack (1); Pretreatment equipment (3), which is installed on top of the frame (1), is used to filter impurities in waste liquid; Two separation devices (4) are used for oil-liquid separation. Both separation devices (4) are connected to the pretreatment device (3) through pipelines. The separation device (4) includes a storage tank (41). The bottom of the storage tank (41) is connected to a three-way switching valve (7) for switching the liquid flow direction. An air pump plate (42) for injecting air bubbles into the wastewater is fixedly installed at the bottom of the storage tank (41). The air pump plate (42) is connected to an external air source device. Several air holes for venting are opened at the top of the air pump plate (42). A vertically arranged guide groove (43) is opened on the inner wall of the storage tank (41). A floating frame (44) is slidably connected in the guide groove (43). A net cylinder (45) is installed on the floating frame (44). The net cylinder (45) is connected to the oil pump (5) through a silicone hose. The oil pump (5) is fixedly installed on the frame (1).

2. The oil-liquid separation device for dismantling scrapped automobiles according to claim 1, characterized in that: The pretreatment equipment (3) includes a filter box (31) and a box cover (34) hinged to the top of the filter box (31). A support block (32) is installed on the inner wall of the filter box (31), and a filter disc (33) for filtering waste liquid is provided on the support block (32).

3. The oil-liquid separation device for dismantling scrapped automobiles according to claim 2, characterized in that: A handle is fixedly connected to the filter disc (33).

4. The oil-liquid separation device for dismantling end-of-life vehicles according to claim 2 or 3, characterized in that: Below the filter disc (33) are several plastic tubes (36) fixedly installed on the inner wall of the filter box (31). The plastic tubes (36) extend to the outside of the filter box (31). Inside the plastic tubes (36) are magnetic rods (37) for adsorbing iron filings. Below the plastic tubes (36) is a collection tray (38) for collecting iron filings. The side wall of the filter box (31) has an opening for easy removal of the collection tray (38).

5. The oil-liquid separation device for dismantling scrapped automobiles according to claim 4, characterized in that: The magnet rod (37) is connected by a connecting plate.

6. The oil-liquid separation device for dismantling end-of-life vehicles according to claim 1, characterized in that: The air pump plate (42) includes a chassis and a rubber disc connected to the chassis. The chassis has an air inlet hole, and the rubber disc has several exhaust holes.

7. The oil-liquid separation device for dismantling end-of-life vehicles according to claim 1, characterized in that: The density of the floating frame (44) is between that of water and that of oil.

8. The oil-liquid separation device for dismantling end-of-life vehicles according to claim 7, characterized in that: The floating frame (44) has an L-shaped through hole, the top of which is connected to the mesh cylinder (45), and the other end of which is connected to the oil pump (5) through a silicone hose.

9. The oil-liquid separation device for dismantling end-of-life vehicles according to claim 1, characterized in that: An oil storage tank (6) is fixedly installed on the frame (1), and the outlet end of the oil pump (5) is connected to the oil storage tank (6).

10. The oil-liquid separation device for dismantling end-of-life vehicles according to claim 1, characterized in that: A sludge tank (8) is also fixedly installed on the frame (1).

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