Filtering device for oil agent production

Abstract

According to the filtering device for oil agent production, a tank body is provided with an oil inlet, hydraulic cylinders are arranged on the two sides of the oil inlet, an oil outlet pipe is arranged at the lower end of the tank body, a support is arranged at the upper end in the tank body, a pre-filtering assembly is arranged on the support, a lifting seat is arranged below the pre-filtering assembly, the hydraulic cylinders are correspondingly connected with the lifting seat, and a fine filtering assembly is arranged on the lifting seat; a blow-off pipe is arranged at the lower end of the fine filtering assembly, an oil outlet is formed in the bottom of the fine filtering assembly, a metal corrugated pipe is arranged between the oil outlet and the oil outlet pipe, a funnel-shaped groove is formed in the bottom of the tank body, the lowest position of the groove is communicated with the blow-off pipe, a rotating scraper is arranged above the groove in the radial direction of the tank body, and a rotating shaft penetrates through the center of the rotating scraper. A liquid level meter is arranged at the position, corresponding to the impurity collecting bin, of the outer side of the tank body; the utility model overcomes the defects of the prior art, realizes multi-stage fine filtration, automatic impurity cleaning, separation and collection, and ensures efficient and stable operation of filtration.

Description

TECHNICAL FIELD

[0001] The utility model relates to textile oil production equipment field, concretely relates to a filter device for oil production. BACKGROUND

[0002] In the textile oil production process, the raw material oil and the finished oil agent need to be strictly filtered to remove impurity particles, colloid, moisture and the like, so as to guarantee that the oil quality and performance meet the standards. The traditional oil filter device mostly adopts a single filter layer structure, such as a simple filter screen type filter, which is difficult to efficiently intercept small particle impurities and soluble colloid, and in the filtering process, the filter material is prone to blockage, resulting in a sharp drop in filtering efficiency and frequent replacement of the filter material. At the same time, the filtering process lacks an effective impurity cleaning and separation and collection mechanism, which affects continuous production and is not conducive to environmental protection and cost control. SUMMARY

[0003] The utility model aims at overcoming the defects in the prior art, providing a filter device for oil production, overcoming the defects in the prior art, and realizing multi-stage fine filtering, automatic impurity cleaning and separation and collection, and guaranteeing efficient and stable operation of the filter.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a filter device for oil production, comprising a tank body, an oil inlet is arranged at the top of the tank body, a pair of hydraulic cylinders is symmetrically arranged on both sides of the oil inlet, an oil outlet pipe is arranged at one side of the lower end of the tank body, a circular ring support is arranged at the upper end in the tank body, a pre-filtering assembly is arranged on the circular ring support, a lifting seat is arranged below the pre-filtering assembly, the piston rod of the hydraulic cylinder is connected with the lifting seat at the corresponding end, the lifting seat is driven by the pair of hydraulic cylinders to move up and down, a fine filtering assembly is arranged on the lifting seat, a blowdown pipe is arranged at one side of the lower end of the fine filtering assembly, an oil outlet is arranged at the bottom of the fine filtering assembly, a metal bellows is arranged between the oil outlet and the oil outlet pipe, the bottom of the tank body is arranged as an impurity collection bin, the impurity collection bin is arranged as a funnel-shaped groove, the lowest part of the groove is communicated with the blowdown pipe, the blowdown pipe is provided with a valve, a rotary scraper is arranged above the groove along the radial direction of the tank body, the center of the rotary scraper penetrates a rotating shaft, a motor is arranged at the corresponding end of the rotating shaft outside the tank body, the motor drives the rotary scraper to rotate through the rotating shaft, and a liquid level meter is arranged at the corresponding position of the impurity collection bin outside the tank body.

[0005] Further, the inclination angle of the pre-filtering assembly is 10-45°, the pre-filtering assembly 4 adopts a multi-layer composite metal filter screen, the filter hole size increases from outside to inside, and the adjacent metal filter screens are fixed through support frames and form a certain spacing space in a spiral surrounding layout.

[0006] Further, the mesh number of the filter holes of the metal filter screen is 50 mesh, 100 mesh and 200 mesh from outside to inside, the surface of the metal filter screen is treated by a nano hydrophobic coating, and a vibration micro motor is arranged on the support frame of the pre-filtering assembly.

[0007] Further, the fine filtering assembly comprises a shell, the shell is in an open structure at an upper end, and a fiber-wound filter core is arranged in the shell, and a diatomite-coated filter paper is attached to the outer side of the fiber-wound filter core.

[0008] Further, the impurity collecting bin adopts a double-hopper nested form, an outer hopper is used for receiving large-particle impurities and the like intercepted in the pre-filtering process, and an inner hopper is used for collecting impurities discharged in the backwashing of the fine filtering, the bottoms of the double hoppers are connected with blowdown pipes, and electromagnetic valves are arranged on the blowdown pipes.

[0009] Further, the rotating scraper is made of rubber or engineering plastic material which is wear-resistant, oil-resistant and flexible, has a long strip-shaped arc plate shape, and has an arc that is attached to the curve of the inner wall of the hopper, and the lower edge of the arc plate is closely attached to the bottom of the groove, and the gap between the lower edge of the arc plate and the inner wall of the groove is controlled to be 3-5 mm.

[0010] The utility model has the advantages that the utility model has a unique multistage composite filtering structure and automatic impurity treatment design, and compared with the traditional oil filtering device, the utility model has remarkable improvement in filtering precision, efficiency, stability and maintenance convenience, is novel and practical, meets the modernization demand of oil production, has great market application and popularization value, and the part not described in detail in the utility model is the existing common technology. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model will be further described in connection with the drawings:

[0012] Figure 1 is a general assembly structure schematic view;

[0013] In the drawing: tank body 1, oil inlet 2, oil outlet pipe 3, pre-filtering assembly 4, fine filtering assembly 5, lifting seat 6, hydraulic cylinder 7, rotating scraper 8, motor 9, blowdown pipe 10. DETAILED DESCRIPTION

[0014] The utility model will be further described in connection with the drawings and specific embodiments:

[0015] For example, Figure 1As shown, a filter device for oil production includes a tank body 1, an oil inlet 2 is arranged at the top of the tank body 1, a pair of hydraulic cylinders 7 is symmetrically arranged on both sides of the oil inlet 2, an oil outlet pipe 3 is arranged at one side of the lower end of the tank body 1, a circular ring support is obliquely arranged at the upper end in the tank body 1, a pre-filter assembly 4 is arranged on the circular ring support, a lifting seat 6 is arranged below the pre-filter assembly 4, the piston rod of the hydraulic cylinder 7 is connected with the lifting seat 6, the lifting seat 6 is driven by the pair of hydraulic cylinders 7 to move up and down, a fine filter assembly 5 is arranged on the lifting seat 6, a blowdown pipe is arranged at one side of the lower end of the fine filter assembly 5, an oil outlet is arranged at the bottom of the fine filter assembly 5, a metal bellows is arranged between the oil outlet and the oil outlet pipe 3, the bottom of the tank body 1 is arranged as a impurity collection bin, the impurity collection bin is arranged as a funnel-shaped groove, the lowest part of the groove is communicated with the blowdown pipe 10, the blowdown pipe 10 is provided with a valve, above the groove, a rotary scraper 8 is arranged along the radial direction of the tank body 1, the center of the rotary scraper 8 penetrates a rotating shaft, a motor 9 is arranged at one end of the rotating shaft outside the tank body 1, the motor 9 drives the rotary scraper 8 to rotate through the rotating shaft, a liquid level meter is arranged at the impurity collection bin outside the tank body 1.

[0016] The inclination angle of the pre-filter assembly 4 is 10-45°, the pre-filter assembly 4 adopts a multi-layer composite metal filter screen, the filter hole size increases from outside to inside, and the layout is in a spiral ring shape, the adjacent metal filter screens are fixed through support frames and form a certain spacing space.

[0017] The filter hole size of the metal filter screen is 50 mesh, 100 mesh and 200 mesh from outside to inside, the surface of the metal filter screen is treated by a nano hydrophobic coating, a vibration micro motor is arranged on the support frame of the pre-filter assembly 4, when the vibration micro motor vibrates, the impurities can be more easily separated from the surface of the metal filter screen, and then slide along the inclined metal filter screen to the impurity collection bin below.

[0018] The fine filter assembly 5 includes a shell, the shell is an open structure at the upper end, a fiber-wound filter core is arranged in the shell, and a diatomite coating filter paper is attached to the outer side of the fiber-wound filter core.

[0019] The impurity collection bin adopts a double-funnel nested form, the outer funnel is used for receiving the large-particle impurities intercepted in the pre-filtering process, and the inner funnel collects the impurities discharged during backwashing of the fine filtering, the bottoms of the double funnels are connected with the blowdown pipe, and an electromagnetic valve is arranged on the blowdown pipe.

[0020] The rotary scraper 8 is made of rubber or engineering plastic material which is wear-resistant, oil-resistant and has a certain flexibility, the shape is a long strip-shaped arc plate, the curvature is matched with the curve of the inner wall of the funnel, the lower edge is closely close to the bottom of the groove, and the gap between the lower edge and the inner wall of the groove is controlled to be 3-5 mm.

[0021] Working principle: The oil enters the tank from the top oil inlet 2, is first coarsely screened by the pre-filter component 4, and large particles of impurities slide off; then it flows into the fine filter component 5, passes through the fiber-wound filter element and diatomaceous earth-coated filter paper in sequence to complete fine purification, and the qualified oil flows out from the bottom oil outlet; during the process, impurities are deposited in the impurity collection bin at the bottom, and the rotating scraper 8 is started regularly to clean the impurities to ensure continuous and efficient operation of the filtration.

[0022] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A filtering device for oil production, comprising a tank (1), characterized in that: An oil inlet (2) is provided on the top of the tank body (1), a pair of hydraulic cylinders (7) are symmetrically provided on both sides of the oil inlet (2), an oil outlet pipe (3) is provided on one side of the lower end of the tank body (1), a circular bracket is provided at an angle on the upper end of the tank body (1), a pre-filtering component (4) is provided on the circular bracket, a lifting seat (6) is provided below the pre-filtering component (4), the piston rod end of the hydraulic cylinder (7) is correspondingly connected to the lifting seat (6), the pair of hydraulic cylinders (7) drives the lifting seat (6) to move up and down, a fine filter component (5) is provided on the lifting seat (6), a sewage pipe is provided on one side of the lower end of the fine filter component (5), and the fine filter component (5) is provided. An oil outlet is provided at the bottom of the component (5), a metal bellows is provided between the oil outlet and the oil outlet pipe (3), the bottom of the tank body (1) is provided as an impurity collection bin, the impurity collection bin is provided as a funnel-shaped groove, the lowest part of the groove is connected to a sewage pipe (10), the sewage pipe (10) is provided with a valve, a rotating scraper (8) is provided above the groove along the radial direction of the tank body (1), the center of the rotating scraper (8) passes through the rotating shaft, a motor (9) is provided on the outside of the tank body (1) corresponding to one end of the rotating shaft, the motor (9) drives the rotating scraper (8) to rotate through the rotating shaft, and a liquid level gauge is provided on the outside of the tank body (1) corresponding to the impurity collection bin.

2. The filtering device for oil production according to claim 1, characterized in that: The pre-filter assembly (4) has an inclination angle of 10-45°. The pre-filter assembly (4) uses a multi-layer composite metal filter screen, the filter mesh number increases from the outside to the inside, and is arranged in a spiral wraparound manner. Adjacent metal filter screens are fixed by a support frame to form a certain spacing space.

3. The filtering device for oil production according to claim 2, characterized in that: The mesh sizes of the filter holes of the metal filter are 50 mesh, 100 mesh, and 200 mesh from the outside to the inside, and the surface of the metal filter is treated with a nano-hydrophobic coating. A vibration micromotor is provided on the support frame of the pre-filtering component (4).

4. The filtering device for oil production according to claim 1, characterized in that: The fine filter assembly (5) comprises a housing, the housing being an open-top structure, a fiber-wound filter element disposed within the housing, and a diatomaceous earth-coated filter paper being adhered to the outer side of the fiber-wound filter element.

5. The filtering device for oil production according to claim 1, characterized in that: The impurity collection bin adopts a double-funnel nested form. The outer funnel is used to receive large particles of impurities intercepted during the pre-filtration process, and the inner funnel collects impurities discharged during fine filtration backwashing. The bottoms of the double funnels are connected to a drain pipe, and a solenoid valve is provided on the drain pipe.

6. The filtering device for oil production according to claim 1, characterized in that: The rotating scraper (8) is made of rubber or engineering plastic material that is wear-resistant, oil-resistant and has a certain degree of flexibility. It is shaped like a long arc plate, the curvature of which fits the curve of the inner wall of the funnel, and its lower edge is closely attached to the bottom of the groove, and the gap with the inner wall of the groove is controlled to be 3-5 mm.

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