CN209752368U - Oil pump with filtering function - Google Patents

Abstract

The utility model discloses an oil pump with filtering function, which can protect the oil pump through a protection box arranged outside the oil pump, and prevent the shell from being damaged by sand and stone at the bottom of the oil well when the oil pump is used; then arranging a sand filtering box and a filtering pipe at the oil inlet end of the oil pump, and removing impurities in the crude oil by using the sand filtering box and the filtering pipe, so that the oil pump is prevented from being damaged by the impurities in the crude oil; set up the filter tube again and pass through threaded connection for thick pipe and tubule, make the length of this filter tube can change, and the both ends of filter tube all filter the sand box and converge the flow box through flange connection, convenient to detach, when the filter core in the needs clean filter tube, directly dismantle the filter tube through flange, then part tubule and thick pipe, and dismantle the filter core of filter tube inner wall through rotatory mode, be convenient for change, and simultaneously, the inside active carbon granule of filter core, gauze layer and sponge, can be through the mode of back flush, wash out impurity, be convenient for clean.

Description

oil pump with filtering function

Technical Field

The utility model relates to an oil pump, concretely relates to take filtering capability's oil pump.

Background

In the process of conveying the oil well output liquid, a filter is usually required to be arranged on a liquid inlet of equipment such as a centrifugal pump and a flowmeter so as to prevent impurities in the output liquid from damaging the equipment such as the centrifugal pump and the flowmeter.

There is a filter among the correlation technique, this filter includes the casing and strains the basket, strains the basket setting in the casing, and the casing is provided with inlet and liquid outlet, and oil well output liquid flows into the casing from the inlet, filters through straining the basket, flows out by the liquid outlet at last, accomplishes the filtration of oil well output liquid. However, in this type of filter, when the produced fluid from the oil well is filtered, impurities in the produced fluid from the oil well are accumulated in the filter basket, and when the filter is cleaned, the filter basket needs to be taken out from the casing and cleaned. In addition, the centrifugal pump is placed in an oil well, and because impurities such as mud and sand at the bottom of the well are excessive, the centrifugal pump can drive the change of water flow when working, so that the mud and sand can easily impact on the centrifugal pump, and the centrifugal pump is easily damaged after a long time.

SUMMERY OF THE UTILITY MODEL

The utility model provides an oil pump with filtering function, which solves the problems that when the existing filter filters the produced liquid of an oil well, the impurities in the produced liquid of the oil well can be accumulated in a filter basket, and when the filter is cleaned, the filter basket needs to be taken out from a shell for cleaning, thereby not only the cleaning efficiency is lower, but also the filtering work needs to be stopped when the filter basket is cleaned; in addition, the centrifugal pump is placed in an oil well, and because impurities such as mud and sand at the bottom of the well are excessive, the centrifugal pump can drive the change of water flow when working, so that the mud and sand are easy to impact on the centrifugal pump, and the centrifugal pump is easy to damage after a long time.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an oil pump with filtering function, including the oil pump, the outer parcel of oil pump has the protection box, the oil inlet mouth and the play oil mouth of oil pump all run through the protection box, the oil inlet mouth of oil pump passes through the oil-out that the oil pipe connection converges the oil tank, a plurality of oil feed end has been seted up on the oil tank that converges, and this oil feed end all passes through the filter tube and connects the sand filter box, the filter tube includes thick pipe and tubule, and the full screw thread is evenly distributed on the inner wall and the outer wall of this tubule, and is covered with the screw thread that corresponds on the outer wall of this thick pipe, and this tubule is connected through the screw thread with the thick pipe, is provided with the filter core in this tubule, and has distributed on the outer wall of the casing of this filter core the screw; activated carbon particles are filled in the oil inlet end of the filter element, a gauze layer is arranged below the activated carbon particles, sponge is filled below the gauze layer, and the other end of the sponge is filled with the activated carbon particles; a conical first filter screen layer and a conical second filter screen layer are fixed in the filter sand box, the tips of the first filter screen layer and the second filter screen layer face towards the oil inlet, the first filter screen layer and the second filter screen layer are formed by compounding a plurality of layers of filter screens, and a plurality of sand outlets are further formed in the filter sand box.

As an optimized technical proposal of the utility model, the gauze layer is formed by overlapping a plurality of layers of gauze.

As the utility model discloses a preferred technical scheme, the both ends of filter core are all sealed through the filter screen.

As the utility model discloses a preferred technical scheme, the one end of the tubule of filter tube is all through flange joint filter flask, the thick pipe of filter tube is all through flange joint oil collection box.

As an optimized technical proposal of the utility model, the protection box is formed by a plurality of layers of filter screens in a compounding way.

The utility model discloses the beneficial effect who reaches is: the protective box is arranged outside the oil pump, so that the oil pump can be protected by the protective box, and the shell is prevented from being damaged by sand at the bottom of the oil well when the oil pump is used; then arranging a sand filtering box and a filtering pipe at the oil inlet end of the oil pump, and removing impurities in the crude oil by using the sand filtering box and the filtering pipe, so that the oil pump is prevented from being damaged by the impurities in the crude oil; set up the filter tube again and pass through threaded connection for thick pipe and tubule, make the length of this filter tube can change, and the both ends of filter tube all filter the sand box and converge the flow box through flange connection, convenient to detach, when the filter core in the needs clean filter tube, directly dismantle the filter tube through flange, then part tubule and thick pipe, and dismantle the filter core of filter tube inner wall through rotatory mode, be convenient for change, and simultaneously, the inside active carbon granule of filter core, gauze layer and sponge, can be through the mode of back flush, wash out impurity, be convenient for clean.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is an overall structure diagram of an oil pump with filtering function according to the present invention;

FIG. 2 is an internal structure view of a filter element of an oil pump with a filtering function according to the present invention;

FIG. 3 is a structural diagram of a protective box of an oil pump with a filtering function according to the present invention;

In the figure: 1. an oil pump; 2. a protective case; 3. an oil inlet pipe; 4. an oil collection tank; 5. a filter tube; 6. a filter element; 7. a connecting flange; 8. a sand filtering box; 9. a first filter screen layer; 10. a second filter screen layer; 11. a sand outlet; 12. an oil inlet; 13. activated carbon particles; 14. a gauze layer; 15. a sponge.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to an oil pump with filtering function, including the oil pump 1, the outer parcel of oil pump 1 has protection box 2, the oil inlet mouth and the oil outlet mouth of oil pump 1 all run through protection box 2, the oil inlet mouth of oil pump 1 passes through the oil inlet pipe 3 and connects the oil-out of oil collection tank 4, oil collection tank 4 is last to be seted up a plurality of oil feed end, and this oil feed end all connects through filter tube 5 and strains sand box 8, filter tube 5 includes thick pipe and tubule, full screw thread is evenly distributed on the inner wall of this tubule and the outer wall, be covered with the screw thread corresponding on the tubule outer wall on this thick pipe inner wall, and this tubule is connected through the screw thread with the thick pipe, be provided with filter core 6 in this tubule, and be covered with the screw thread corresponding with the inner wall of this filter core 6; activated carbon particles 13 are filled at the oil inlet end of the filter element 6, a gauze layer 14 is arranged below the activated carbon particles 13, sponge 15 is filled below the gauze layer 14, and the other end of the sponge 15 is filled with the activated carbon particles 13; a conical first filter screen layer 9 and a conical second filter screen layer 10 are fixed in the sand filtering box 8, the tips of the first filter screen layer 9 and the second filter screen layer 10 face an oil inlet 12, the first filter screen layer 9 and the second filter screen layer 10 are formed by compounding a plurality of filter screens, and a plurality of sand outlets 11 are further formed in the sand filtering box 8.

The gauze layer 14 is formed by stacking a plurality of layers of gauze.

Both ends of the filter element 6 are sealed by filter screens.

One end of the thin tube of the filter tube 5 is connected with the filter sand box 8 through the connecting flange 7, and the thick tube of the filter tube 5 is connected with the oil collecting tank 4 through the connecting flange 7.

The protective box 2 is formed by compounding a plurality of layers of filter screens.

The working principle is as follows: crude oil firstly enters a filter flask 8 through an oil inlet 12 and then sequentially passes through a first filter screen layer 9 and a second filter screen layer 10, and the size of meshes in the second filter screen layer 10 is smaller than that of the meshes of the first filter screen layer 9; the tips of the first filter screen layer 9 and the second filter screen layer 10 face the oil inlet 2, particles in crude oil can be filtered, and the particles can be removed from the base end along the tips to the tapered base end, so that the particles are easily flushed into the sand outlet 11 and then discharged; crude oil passes through the second filter screen layer 10, then enters the filter pipe 5 through the oil outlet, is filtered by the filter element 6 in the filter pipe 5, then is gathered in the oil gathering tank 4, and then is sucked into the oil pump 1 through the oil inlet pipe 3; after a period of time, when needing to change filter core 6, rotate the thick pipe and the tubule of filter tube 5, then open flange 7 again to take off filter tube 5, take out filter core 6 in the filter tube 5 through rotatory mode again, reverse water washes again, can wash the tiny impurity that gets rid of in the filter core.

According to the oil pump with the filtering function, the protection box 2 is arranged outside the oil pump 1, so that the oil pump 1 can be protected by the protection box 2, and the shell is prevented from being damaged by sand at the bottom of an oil well when the oil pump 1 is used; then arranging a sand filtering box 8 and a filtering pipe 5 at the oil inlet end of the oil pump 1, and removing impurities in the crude oil by the sand filtering box 8 and the filtering pipe 5, so that the impurities in the crude oil are prevented from damaging the oil pump; set up filter tube 5 again and pass through threaded connection for thick pipe and tubule, make this filter tube 5's length can change, and filter tube 5's both ends all pass through flange 7 and connect filter flask 8 and collection flow box 4, convenient to detach, when filter core 6 in the needs clean filter tube 5, directly dismantle filter tube 5 through flange 7, then part tubule and thick pipe again, and dismantle filter core 6 of filter tube 5 inner wall through rotatory mode, and be convenient for change, and simultaneously, the inside active carbon granule 13 of filter core 6, gauze layer 14 and sponge 15, can wash out impurity through the mode of reverse washing, and is convenient for clean.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. An oil pump with a filtering function comprises an oil pump (1) and is characterized in that a protective box (2) is wrapped outside the oil pump (1), the oil inlet nozzle and the oil outlet nozzle of the oil pump (1) both penetrate through the protective box (2), the oil inlet nozzle of the oil pump (1) is connected with the oil outlet of the oil collecting tank (4) through an oil inlet pipe (3), the oil collecting tank (4) is provided with a plurality of oil inlet ends, and the oil inlet end is connected with a sand filtering box (8) through a filtering pipe (5), the filtering pipe (5) comprises a thick pipe and a thin pipe, the inner wall and the outer wall of the thin tube are uniformly distributed with full screw threads, the inner wall of the thick tube is distributed with corresponding screw threads on the outer wall of the thin tube, and the thin tube is connected with the thick tube through the screw threads, a filter element (6) is arranged in the thin tube, threads corresponding to the inner wall of the thin tube are distributed on the outer wall of the shell of the filter element (6), and the filter element (6) is fixed in the thin tube through the threads; activated carbon particles (13) are filled in the oil inlet end of the filter element (6), a gauze layer (14) is arranged below the activated carbon particles (13), sponge (15) is filled below the gauze layer (14), and the other end of the sponge (15) is filled with the activated carbon particles (13); a conical filter screen layer (9) and a conical filter screen layer (10) are fixed in the filter sand box (8), the tips of the filter screen layer (9) and the tip of the filter screen layer (10) face towards an oil inlet (12), the filter screen layer (9) and the filter screen layer (10) are formed by compounding a plurality of layers of filter screens, and a plurality of sand outlets (11) are further formed in the filter sand box (8).

2. The oil pump with filtering function as claimed in claim 1, wherein said gauze layer (14) is formed by stacking a plurality of layers of gauze.

3. The oil pump with the filtering function according to claim 1, wherein both ends of the filter element (6) are sealed by a filter screen.

4. The oil pump with the filtering function according to claim 1, wherein one end of each of the thin pipes of the filtering pipe (5) is connected with the filtering sand box (8) through a connecting flange (7), and the thick pipes of the filtering pipe (5) are connected with the oil collecting tank (4) through the connecting flange (7).

5. The oil pump with the filtering function according to claim 1, wherein the protective box (2) is formed by compounding a plurality of layers of filter screens.