CN207620782U - A kind of oil recovery filter sand antiseize device - Google Patents

Abstract

The utility model discloses a kind of oil recovery filter sand antiseize devices, including tank body, it is formed with cavity in the tank body, it is fixed with ring baffle in the cavity, through-hole is equipped in the ring baffle, the cavity is divided into epicoele and cavity of resorption by the ring baffle, first side of the epicoele is equipped with oil inlet passage, the second side of the epicoele is equipped with sand removing hole, the second side of the cavity of resorption is equipped with oil discharge passage, the top of the ring baffle is set in the both sides of the through-hole there are two fixed plate, filter assemblies are equipped between two fixed plates, the filter assemblies include three filter plates, the aperture of the filter core of three filter plates reduces successively from top to bottom, the lower section of the ring baffle goes out fluid cylinder equipped with taper.Compared with prior art, the utility model makes full use of the filter layer of different layers, improves filter effect, be not easy to result in blockage, reduce material for core waste, save use cost by the way that three filter cores are arranged.

Description

A kind of oil recovery filter sand antiseize device

Technical field

The utility model is related to oil production equipment, especially a kind of oil recovery filter sand antiseize device.

Background technology

During down-hole oil production, the fluid of underground extraction not only only has liquid usually to also have a large amount of sand, is recovering the oil During well pump works, sand body is involved in oil pipe, and oil pump is caused to wear, and can seriously damage oil pump；Therefore it is adopted under most wells Filter device or filter can be all arranged in oil pump, and the effect of filter mainly filters sand, prevents it from entering in oil pump.

The usually setting of traditional filter device is the setting sand pipe in outer tube, is provided with screen slot on sand pipe, passes through sieve Seam screens out sand in outer tube, and the shortcomings that this device is exactly that the sand screened out is easy to the accumulation in outer tube and leads to inlet Shut, therefore at regular intervals will shut down exclude accumulation sand, use very trouble.

Utility model content

The purpose of this utility model is to provide a kind of oil recovery filter sand antiseize device, is asked with solving technology in the prior art Topic, it can reduce the generation that filtering blocks.

The utility model provides a kind of oil recovery filter sand antiseize device, including tank body, is formed with cavity in the tank body, institute It states and is fixed with ring baffle in cavity, be equipped with through-hole in the ring baffle, on the cavity is divided by the ring baffle Chamber and cavity of resorption, the first side of the epicoele are equipped with oil inlet passage, and the second side of the epicoele is equipped with sand removing hole, and the of the cavity of resorption Two sides are equipped with oil discharge passage, and the top of the ring baffle sets that there are two fixed plates in the both sides of the through-hole, and two described solid Be equipped with filter assemblies between fixed board, the filter assemblies include three filter plates, the aperture of the filter core of three filter plates by Top to bottm reduces successively, and the lower section of the ring baffle goes out fluid cylinder equipped with taper.

Oil recovery filter sand antiseize device as described above, wherein preferably, the filter plate includes main body and is convexly equipped in The boss of the main body both sides, the fixed plate are equipped with fixed block, and the side towards the boss of the fixed block is equipped with Stepped groove, the ladder trench bottom are equipped with slot, the outer diameter matching of the internal diameter of the slot and the boss, the stepped groove Internal diameter and the outer diameter of the main body match, and sealing ring is equipped in the stepped groove.

Oil recovery filter sand antiseize device as described above, wherein preferably, the filter core include carbon successively from top to bottom from Sub- polymer layer and main filter layer.

Compared with prior art, the utility model is by being arranged three filter cores, and the aperture of three filter cores is sequentially reduced, this Sample, larger particles impurity is by top layer's filter element filtering, and smaller particle, by middle level filter element filtering, smallest particles is by lowest level filter core Filtering, different filter layers are involved in effective filtering, to make full use of the filter layer of different layers, improve filter effect, are not easy to make At blocking, material for core waste is reduced, use cost is saved.

Description of the drawings

Fig. 1 is the front view of the utility model；

Fig. 2 is the structural schematic diagram of filter plate；

Fig. 3 is the structural schematic diagram of fixed block；

Fig. 4 is the structural schematic diagram of filter core.

Reference sign：1- tank bodies, 2- ring baffles, 3- through-holes, 4- epicoeles, 5- cavity of resorptions, 6- oil inlet passages, 7- sand removals Mouth, 8- oil discharge passages, 9- fixed plates, 10- filter plates, 11- filter cores, 12- tapers go out fluid cylinder, 13- main bodys, 14- boss, 15- ranks Terraced slot, 16- slots, 17- sealing rings, 18- carbon ion polymer layers, the main filter layers of 19-, 20- fixed blocks.

Specific implementation mode

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model Limitation.

As shown in Figures 1 to 4, the embodiments of the present invention provide a kind of oil recovery filter sand antiseize device, including tank body 1, cavity is formed in the tank body 1, and ring baffle 2 is fixed in the cavity, through-hole 3, institute are equipped in the ring baffle 2 State ring baffle 2 and the cavity be divided into epicoele 4 and cavity of resorption 5, the first side of the epicoele 4 is equipped with oil inlet passage 6, it is described on The second side of chamber 4 is equipped with sand removing hole 7, and the second side of the cavity of resorption 5 is equipped with oil discharge passage 8, and the top of the ring baffle 2 is in institute The both sides for stating through-hole 3 are set there are two fixed plate 9, and filter assemblies are equipped between two fixed plates 9, and the filter assemblies include The aperture of three filter plates 10, the filter core 11 of three filter plates 10 reduces successively from top to bottom, under the ring baffle 2 Side goes out fluid cylinder 12 equipped with taper.

Fluid enters from oil inlet passage 6, is flowed out from oil discharge passage 8 after three layers of filter core 11 filter, due to setting three Filter core 11, and the aperture of three filter cores 11 is sequentially reduced, in this way, larger particles impurity is filtered by top layer's filter core 11, and it is smaller Particle is filtered by middle level filter core 11, and smallest particles is filtered by lowest level filter core 11, and different filter layers are involved in effective filtering, to The filter layer of different layers is made full use of, filter effect is improved, is not easy to result in blockage, reduces 11 waste of material of filter core, saves and uses Cost.

In order to enhance the sealing effect between filter plate 10 and fixed plate 9, the filter plate 10 includes main body 13 and convex Boss 14 set on 13 both sides of the main body, the fixed plate 9 be equipped with fixed block 20, the fixed block 20 towards described convex The side of platform 14 is equipped with stepped groove 15, and 15 bottom of the stepped groove is equipped with slot 16, the internal diameter of the slot 16 and the boss The outer diameter of 14 outer diameter matching, the internal diameter of the stepped groove 15 and the main body 13 matches, and is equipped in the stepped groove 15 Sealing ring 17.Sealing ring 17 is mutually squeezed by filter plate 10 and fixed block 20, strengthens the sealing effect of sealing ring 17.

The filter core 11 includes carbon ion polymer layer 18 and main filter layer 19 successively from top to bottom.Fluid first pass around carbon from Sandstone carbon ion is aggregated into after larger micel and is filtered out again by main filter layer 19, improved by the effect of sub- polymer layer 18 Filter effect.

The structure, feature and effect of the utility model are described in detail based on the embodiments shown in the drawings, with Upper described is only the preferred embodiment of the utility model, but the utility model is to limit practical range shown in drawing, it is every according to Change made by conception according to the utility model, or be revised as the equivalent embodiment of equivalent variations, still without departing from specification and figure When showing covered spirit, it should be within the protection scope of the present utility model.

Claims (3)

1. a kind of oil recovery filter sand antiseize device, which is characterized in that including tank body (1), be formed with cavity in the tank body (1), institute It states and is fixed with ring baffle (2) in cavity, through-hole (3) is equipped in the ring baffle (2), the ring baffle (2) will be described Cavity is divided into epicoele (4) and cavity of resorption (5), and the first side of the epicoele (4) is equipped with oil inlet passage (6), and the of the epicoele (4) Two sides are equipped with sand removing hole (7), and the second side of the cavity of resorption (5) is equipped with oil discharge passage (8), the top of the ring baffle (2) in The both sides of the through-hole (3) are set there are two fixed plate (9), and filter assemblies, the filtering are equipped between two fixed plates (9) Component includes three filter plates (10), and the aperture of the filter core (11) of three filter plates (10) reduces successively from top to bottom, institute The lower section for stating ring baffle (2) goes out fluid cylinder (12) equipped with taper.

2. oil recovery filter sand antiseize device according to claim 1, it is characterised in that：The filter plate (10) includes main body (13) and it is convexly equipped in the boss (14) of the main body (13) both sides, the fixed plate (9) is equipped with fixed block (20), described solid The side towards the boss (14) for determining block (20) is equipped with stepped groove (15), and stepped groove (15) bottom is equipped with slot (16), the outer diameter matching of the internal diameter and the boss (14) of the slot (16), the internal diameter of the stepped groove (15) and the master The outer diameter of body (13) matches, and sealing ring (17) is equipped in the stepped groove (15).

3. oil recovery filter sand antiseize device according to claim 2, it is characterised in that：The filter core (11) is from top to bottom successively Including carbon ion polymer layer (18) and main filter layer (19).