Oil product recovery device for base oil filter residues

Abstract

The utility model belongs to the technical field of industrial waste oil treatment equipment, and discloses an oil product recovery device for base oil filter residues. Comprising a pressing barrel with the top being of an open structure, a cake pressing assembly and a cake discharging assembly. The cake pressing assembly pushes the cake pressing disc to move downwards to press cakes, and in the process, oil products at the extrusion position are collected through the filter screen, the oil product collecting pipe and the hose till cake pressing is completed; the cake pressing executing mechanism pushes the cake pressing disc to move upwards, and the cake pressing disc retreats from the pressing barrel; the utility model solves the technical problems that the filter residue of the base oil filter cannot form a filter cake, the oil content of the filter residue is high, the oil product is wasted, the storage and treatment of the filter residue are difficult, the economic benefit is poor, and the safety and environmental protection risk are high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to industrial waste oil processing equipment technical field, specifically is a kind of oil product recovery unit for base oil filter residue. BACKGROUND

[0002] Blade filter is a kind of high-efficiency, energy-saving solid-liquid separation equipment, for the refining and manufacturing process of various chemicals, petroleum products;The working principle of blade filter is mainly to send the filtrate containing filter aid into filter by conveying system, and then carry out actual filtration after forming stable filter cake.Blade filter's main features include no filter cloth, filter paper, which greatly reduces the cost of filtration.It adopts fully-closed operation, which is not only environmentally friendly, but also has no material loss.

[0003] In the refining and manufacturing process of oil, blade filter is used with pre-coating tank, pre-coating pump, material conveying pump and other components.In the beginning of material filtration, the filter is in empty state, i.e.no material, no clay and diatomite.Firstly, the material is conveyed to the pre-coating tank, and then a certain liquid level of material to be filtered is added in the pre-coating tank, and a certain proportion of clay and diatomite is added, which is fully stirred under the action of stirring motor at the top of the pre-coating tank.After stirring is completed, the pre-coating pump is started, and the material forms a circulating pre-coating process through pre-coating pipe, pre-coating pump, filter and pre-coating tank.The mixture of clay and diatomite is gradually retained on the filter disc of filter, and a pre-coating coating is gradually formed.When the pressure difference of filter inlet reaches the index range, the pre-coating is completed, and the pre-coating pump is stopped.The fresh material is introduced into the filter, and the material filtration is started.The filtered material enters the product tank, and when the pressure difference of filter approaches the upper limit of the index, it indicates that the pre-coating coating has been saturated, and then the coating replacement is needed.The fresh material is cut out, the nitrogen gas is blown at the top of filter, the oil in filter is blown to product tank through filter outlet, the oil in inlet pipe is blown to filter feed tank, and after material blowing is completed, the filter bottom slag discharge gate is opened, the filter top slag discharge motor is opened, and the slag on filter disc is discharged under the action of centrifugal force.The filter bottom slag discharge gate is opened for slag discharge, and after slag discharge is completed, the bottom gate is closed, and the above process is repeated, and the cycle is repeated.

[0004] The filter is usually used with two filters, one in use and one in standby, to realize the continuity of material filtration.

[0005] In the slag discharge process, it is found that when the filtered material is light, such as diesel oil, the filter disc is blown by hot nitrogen, and the oil content of filter residue is very low, and the filter residue can form filter cake well;But when the filtered material is base oil, due to the poor low-temperature fluidity of base oil and the viscous material, the oil content of filter residue is very high, and the filter residue cannot form filter cake;This not only causes waste of oil, but also brings problems to storage and treatment of filter residue, poor economic benefit, high safety and environmental protection risk. Content of the utility model

[0006] The utility model overcomes the insufficient of prior art, propose a kind of oil product recovery device for base oil filter residue;It solves the technical problems, such as base oil filter residue cannot form filter cake, filter residue oil content is high, causes oil product waste, filter residue storage and processing difficulty, poor economic benefit, high risk of safety and environmental protection etc.

[0007] In order to achieve the above object, the utility model is realized by the following technical solutions:

[0008] An oil product recovery device for base oil filter residue, comprising a pressure barrel with an open top structure, a cake pressing assembly and a cake unloading assembly;The bottom of the pressure barrel is connected with a lifting rod, and the top of the lifting rod is connected with a cake pushing plate, which is in sliding sealing connection with the inner wall of the pressure barrel;The cake pushing plate is provided with filter holes;A hopper is arranged in the pressure barrel, and the hopper is located below the cake pushing plate;The bottom of the hopper is connected with an oil product recovery pipe;The cake pressing assembly comprises a cake pressing plate and a cake pressing rod, and the cake pressing rod is connected with a first driving mechanism;The cake pressing rod is connected to the upper part of the cake pressing plate, and the size of the cake pressing plate is adapted to the inner wall of the pressure barrel, so that the cake pressing plate extends into the pressure barrel from the top of the pressure barrel;The cake unloading assembly is located on one side of the top of the pressure barrel;The cake unloading assembly comprises a cake unloading plate and a cake unloading rod, and the cake unloading plate is connected to one end of the cake unloading rod;The other end of the cake unloading rod is connected with a second driving mechanism, and the cake unloading plate moves horizontally along the top of the pressure barrel under the drive of the second driving mechanism.

[0009] Further, the top of the pressure barrel is in inverted trapezoidal structure.

[0010] Further, the outer edge of the cake pressing plate is provided with a rubber ring, and after the cake pressing plate moves into the pressure barrel, the cake pressing plate is in sealing sliding connection with the inner wall of the pressure barrel.

[0011] Further, the lifting rod comprises an outer rod and an inner rod, the outer rod is in sealing connection with the bottom of the pressure barrel, the inner rod is in sealing sliding connection inside the outer rod, the top of the inner rod is connected with the cake pushing plate, and the bottom of the inner rod is connected with a driving motor.

[0012] Further, the first driving mechanism and the second driving mechanism are both hydraulic push rods.

[0013] Further, the upper surface of the cake pushing plate is provided with a filter screen.

[0014] Further, the pressure barrel is in sliding connection with a track.

[0015] The utility model has the beneficial effects compared with prior art:

[0016] The oil product in the filter residue can be recycled through the filter screen, the cake pushing plate and the oil product collecting pipeline under the joint action of the cake pressing and the cake pushing plate; the sealing ring is used for sealing between the pressing barrel and the cake pressing plate and the cake pushing plate, and the whole pressing barrel is slidingly connected to the moving track for horizontal movement; the matched filter screen is installed on the cake pushing plate to prevent the filter residue from entering the oil product and polluting the oil product during the cake pressing process.

[0017] After the filter machine sequentially completes cake blowing and residue unloading, the filter residue containing base oil enters the device, and the device is moved from below the filter machine to a fixed position. The cake pressing mechanism pushes the cake pressing plate to run downward to press the cake. During this process, the oil product at the extrusion position is collected through the filter screen, the oil product collecting hose to complete oil product collection until the cake pressing is completed. The cake pressing actuator pushes the cake pressing plate to run upward, and the cake pressing plate exits the pressing barrel. The present application solves the technical problems of the base oil filter machine, such as the inability to form filter cake from filter residue, high oil content in filter residue, oil waste, difficulty in storage and processing of filter residue, poor economic benefit, and high safety and environmental protection risk. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the existing blade filter machine;

[0019] Figure 2 is a structural schematic view of the oil product recovery device for base oil filter residue according to the present application;

[0020] Figure 3 is a work flow chart of the oil product recovery device for base oil filter residue according to the present application.

[0021] In the drawings:

[0022] 1, pressing barrel; 2, lifting rod; 3, cake pushing plate; 4, funnel; 5, oil product recovery pipe; 6, cake pressing plate; 7, cake pressing rod; 8, cake unloading plate; 9, cake unloading rod; 10, rubber ring; 11, filter screen. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail with reference to the embodiments and drawings. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application. The technical solutions of the present application will be described in detail below with reference to the embodiments and drawings, but the protection scope is not limited thereto.

[0024] Referring to Figure 2 and Figure 3The embodiment provides an oil product recovery device for base oil filter residue, which comprises a pressure barrel 1 with an open top structure, a cake pressing assembly and a cake unloading assembly; the top of the pressure barrel 1 is in an inverted trapezoidal structure; the purpose is to facilitate the movement of a cake pushing plate 3 and a cake pressing plate 6; the bottom of the pressure barrel 1 is connected with a lifting rod 2, the top of the lifting rod 2 is connected with the cake pushing plate 3, and the outer edge of the cake pushing plate 3 is connected with a sealing ring; the cake pushing plate 3 is in sliding sealing connection with the inner wall of the pressure barrel 1; under the driving of the lifting rod 2, the cake pushing plate 3 can move up and down along the inner wall of the pressure barrel 1; the lifting rod 2 is in an existing structure, and in the embodiment, a specific structure is given; the lifting rod 2 comprises an outer rod and an inner rod, the outer rod is in sealing connection with the bottom of the pressure barrel 1, the inner rod is in sealing sliding connection in the outer rod, the top of the inner rod is connected with the cake pushing plate 3, and the bottom of the inner rod is connected with a driving motor.

[0025] A hopper 4 is arranged in the pressure barrel 1, the hopper 4 is located below the cake pushing plate 3, and the bottom of the hopper 4 is connected with an oil product recovery pipe 5; the oil product recovery pipe 5 is in a hose structure and is used for oil product recovery; the oil product recovery pipe 5 is connected with an oil tank, so that the oil product pressed out of the pressure barrel 1 can flow into the oil product recovery pipe 5 through the hopper 4 and then be discharged into the oil tank.

[0026] The cake pressing assembly comprises a cake pressing plate 6 and a cake pressing rod 7, the cake pressing rod 7 is connected with a first driving mechanism, the cake pressing rod 7 is connected to the upper portion of the cake pressing plate 6, the size of the cake pressing plate 6 is adapted to the inner wall of the pressure barrel 1, so that the cake pressing plate 6 can extend into the pressure barrel 1 from the top of the pressure barrel 1, and a rubber ring 10 is arranged at the outer edge of the cake pressing plate 6; after the cake pressing plate 6 moves into the pressure barrel 1, the cake pressing plate 6 is in sealing sliding connection with the inner wall of the pressure barrel 1.

[0027] The cake unloading assembly is located at one side of the top of the pressure barrel 1; the cake unloading assembly comprises a cake unloading plate 8 and a cake unloading rod 9, the cake unloading plate 8 is connected to one end of the cake unloading rod 9, the other end of the cake unloading rod 9 is connected with a second driving mechanism, and the cake unloading plate 8 moves horizontally along the top of the pressure barrel 1 under the driving of the second driving mechanism.

[0028] The first driving mechanism and the second driving mechanism are both in an existing structure, and a hydraulic push rod is adopted in the embodiment.

[0029] The pressure barrel 1 is in sliding connection with a track.

[0030] The working principle of the oil product recovery device for base oil filter residue is as follows:

[0031] The device comprises a pressing barrel, a matched movable guide rail, a pressing disc and an actuator, a pushing disc and an actuator, and an unloading disc and an actuator. The bottom of the pressing barrel is provided with an oil recovery pipeline communicated with the tank through a flexible connection. The pushing disc is uniformly provided with holes on the disc. The oil in the filter residue is recovered through the filter screen, the pushing disc and the oil collection pipeline under the joint action of the pressing disc and the pushing disc, and is sealed with a sealing ring. The pressing barrel is sealed with a sealing ring between the pressing barrel and the pressing disc and the pushing disc. The movable rail is arranged on the entire pressing barrel for horizontal movement of the pressing barrel.

[0032] 2. Working principle

[0033] Two blade filters are used alternately. In normal production, the oil recovery device for base oil filter residue can be moved to the position below one blade filter through the rail. Or, the device is moved to the position below the filter for residue unloading. When the filter needs to be unloaded, the device is moved to the position below the filter for residue unloading. When the filter needs to be unloaded, the following steps are completed:

[0034] (1) Confirm whether the device is located below the filter residue unloading port. If not, move to the fixed position.

[0035] (2) After the filter completes blowing and residue unloading in sequence, the base oil filter residue enters the device. The device is moved from below the filter to the fixed position, i.e. below the pressing disc assembly.

[0036] (3) The pressing rod 7 of the pressing disc assembly pushes the pressing disc 6 to run downward to press the disc. During this process, the oil at the extrusion position is collected through the filter screen 11, the oil collection funnel 4 and the oil recovery pipe 5 to complete the oil collection until the pressing disc is completed.

[0037] (4) The first driving mechanism drives the pressing disc 6 to run upward, and the pressing disc 6 exits the pressing barrel 1.

[0038] (5) The lifting rod 2 pushes the pushing disc 3 to run upward, and the formed filter cake is pushed out of the pressing barrel 1 to the specified position.

[0039] (6) The second driving mechanism drives the unloading disc 8 to run, and the formed filter cake is unloaded to the residue pocket.

[0040] (7) The pushing disc 3 and the unloading disc assembly are reset.

[0041] Thus, one action cycle is completed. During this process, the action positions of the actuators are all completed by the limiting mechanism.

[0042] The above is further detailed description of the utility model made in combination with specific preferred embodiments, and cannot be deemed that the specific embodiments of the utility model are limited to this. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the utility model, a number of simple deductions or substitutions can also be made, and all should be deemed to belong to the utility model, and the patent protection scope is determined by the submitted claims.

Claims

1. An oil recovery device for base oil filter residue, characterized by, The application relates to a cake pressing device, which comprises a top-opened pressing barrel (1), a cake pressing assembly and a cake unloading assembly; a lifting rod (2) is connected to the bottom of the pressing barrel (1), a cake pushing plate (3) is connected to the top of the lifting rod (2), the cake pushing plate (3) is in sliding sealing connection with the inner wall of the pressing barrel (1), filter holes are arranged on the cake pushing plate (3), a funnel (4) is arranged in the pressing barrel (1) and located below the cake pushing plate (3), an oil product recovery pipe (5) is connected to the bottom of the funnel (4), the cake pressing assembly comprises a cake pressing plate (6) and a cake pressing rod (7), the cake pressing rod (7) is connected with a first driving mechanism, the cake pressing rod (7) is connected to the upper portion of the cake pressing plate (6), the size of the cake pressing plate (6) is adapted to the inner wall of the pressing barrel (1), so that the cake pressing plate (6) can be inserted into the pressing barrel (1) from the top of the pressing barrel (1), the cake unloading assembly is located on one side of the top of the pressing barrel (1), the cake unloading assembly comprises a cake unloading plate (8) and a cake unloading rod (9), the cake unloading plate (8) is connected to one end of the cake unloading rod (9), the other end of the cake unloading rod (9) is connected with a second driving mechanism, and the cake unloading plate (8) is driven by the second driving mechanism to move horizontally along the top of the pressing barrel (1).

2. The oil recovery device for base oil filter residue according to claim 1, characterized by The top of the pressing barrel (1) is in an inverted trapezoidal structure.

3. The oil recovery device for base oil filter residue according to claim 1, characterized by, A rubber ring (10) is arranged on the outer edge of the cake pressing plate (6), and the cake pressing plate (6) is in sealing sliding connection with the inner wall of the pressing barrel (1) after the cake pressing plate (6) is moved into the pressing barrel (1).

4. The oil recovery apparatus for base oil filter residue according to claim 1, wherein The lifting rod (2) comprises an outer rod and an inner rod, the outer rod is in sealing connection with the bottom of the pressing barrel (1), the inner rod is in sealing sliding connection with the inside of the outer rod, the top of the inner rod is connected with the cake pushing plate (3), and a driving motor is connected to the bottom of the inner rod.

5. The oil recovery device for base oil filter residue according to claim 1, characterized by The first driving mechanism and the second driving mechanism are both hydraulic pushing rods.

6. The oil recovery device for base oil filter residue according to claim 1, wherein A filter screen (11) is arranged on the upper surface of the cake pushing plate (3).

7. The oil recovery device for base oil filter residue according to claim 1, characterized by The pressing barrel (1) is in sliding connection with a track.

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