CN217119573U - Filter - Google Patents

Abstract

The utility model provides a filter, include: the main pipe is provided with an inflow port, a communication port and an outflow port, the inflow port and the outflow port are respectively positioned at two ends of the main pipe, and the communication port is arranged on the side wall of the main pipe; the filter part is inserted at the communication port and provided with a filter cavity, a filter inlet, a filter outlet and a sewage discharge port, the filter inlet is communicated with the inflow port, the filter outlet is communicated with the outflow port, and the sewage discharge port is positioned on the outer side of the main pipe, so that liquid flowing in from the inflow port flows into the outflow port after being filtered by the filter cavity; wherein, be responsible for and have relative first linkage segment and the second linkage segment that sets up, the inflow mouth sets up the tip at first linkage segment, and the outflow mouth sets up the tip at the second linkage segment, is provided with connecting slot on first linkage segment and/or the second linkage segment to be connected through connecting slot and treating connecting slot. Through the technical scheme provided by the utility model, can solve the filter among the prior art and be not convenient for carry out the technical problem of dismouting.

Description

Filter

Technical Field

The utility model relates to a filter equipment technical field of well cementation equipment particularly, relates to a filter.

Background

At present, water for well sites is mostly taken from natural water areas through water tank trucks or water pumps, the water for the well sites mainly comprises river water, lake water, underground water and the like, so that the water for mixing slurry can carry a large amount of impurities, if the water which is not filtered is used for direct operation, the instability of the density of cement slurry can be caused, the density measurement precision can be influenced, and the failure of well cementation can be seriously caused. If the impurities carried in the water are too large and too hard, the components such as a water supply pump, a manifold, a mixer and the like on the equipment can be blocked and even damaged, and the well cementation quality and the operation efficiency are influenced. In the actual operation process, the front end of the external water inlet pipeline can be provided with a simple filter screen.

However, considering that the discharge capacity of the water supply pump is not affected, the opening of the filter screen is thick, the filtering precision is low, and impurities cannot be effectively prevented from entering; on the other hand, as the well cementation equipment manifold is complex and has limited space, the filter is used as a part needing regular maintenance, and the convenience of disassembly and assembly of the filter is required to be ensured; in addition, the filter screen can be full of to the impurity that filters out after the long-time operation of filter and cause the manifold to block up, need consider blowdown convenient and fast.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a filter to solve the technical problem that the filter in the prior art is not convenient to be disassembled and assembled.

In order to achieve the above object, the present invention provides a filter, including: the main pipe is provided with an inflow port, a communication port and an outflow port, the inflow port and the outflow port are respectively positioned at two ends of the main pipe, the communication port is arranged on the side wall of the main pipe, and the communication port is positioned between the inflow port and the outflow port; the filtering part is inserted at the communicating port and provided with a filtering cavity, a filtering inlet, a filtering outlet and a sewage draining exit, the filtering inlet is communicated with the inflow port, the filtering outlet is communicated with the outflow port, and the sewage draining exit is positioned at the outer side of the main pipe, so that liquid flowing in from the inflow port flows to the outflow port after being filtered by the filtering cavity; wherein, be responsible for and have relative first linkage segment and the second linkage segment that sets up, the inflow mouth sets up the tip at first linkage segment, and the outflow mouth sets up the tip at the second linkage segment, is provided with connecting slot on first linkage segment and/or the second linkage segment to be connected through connecting slot and treating connecting slot.

Furthermore, connect the draw-in groove and have interconnect's direction section and joint section, the one end that the joint section was kept away from to the direction section has the direction opening, and direction section and joint section are the angle setting of predetermineeing to the messenger waits to connect the pipe section and gets into behind the direction section by the direction opening card to the joint section in.

Further, the guide section extends along the axial direction of the main pipe; and/or the clamping section extends along the radial direction of the main pipe.

Further, the filter portion includes: the filter pipe is arranged at the communication port; the filter screen is arranged in the filter pipe, at least part of the filter screen is arranged in the main pipe, the filter screen surrounds a filter cavity, one end of the filter screen, which is positioned in the main pipe, forms a filter inlet, and one end of the filter screen, which extends out of the main pipe, forms a filter outlet; along the extending direction from the filtering inlet to the filtering outlet, the outflow gap between the filtering net and the pipe wall of the filtering pipe is gradually increased.

Further, the filter cross section of the filter screen gradually decreases in the extending direction from the filter inlet to the filter outlet.

Further, the filter screen is of a conical cylinder structure.

Further, the filter part further includes: the limiting plate is obliquely arranged in the main pipe relative to the circumferential direction of the main pipe, an avoiding opening is formed in the limiting plate and is opposite to the filtering inlet, and the filter screen is abutted to the limiting plate.

Furthermore, one end of the filter pipe, which is far away from the main pipe, is provided with a third connecting section, and the third connecting section is provided with a connecting clamping groove so that the filter pipe is connected with the to-be-connected piece through the connecting clamping groove.

Further, the filter part further includes: and the blow-down valve is arranged at one end of the filter pipe, which is far away from the main pipe.

Further, the drain valve is a ball valve.

By applying the technical scheme of the utility model, when the first connecting section is connected with the section to be connected, only the connecting bulge on the section to be connected is required to be clamped into the connecting clamping groove of the first connecting section, and the structure is convenient for the installation and the disassembly of the first connecting section and the section to be connected; when the second linkage segment is connected with treating the connecting pipe section, only need will treat that the protruding card of connection on the connecting pipe section is gone into to the connecting slot of second linkage segment in, the second linkage segment of being convenient for of above-mentioned structure with treat the installation and the dismantlement of connecting pipe section. The connecting clamping groove is simple in structure, convenient to manufacture and realize, and convenient to install and detach. Therefore, through the utility model provides a technical scheme can solve the filter among the prior art and be not convenient for carry out the technical problem of dismouting.

Drawings

The accompanying drawings, which form a part of the present application, 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 shows an exploded view of a filter provided according to an embodiment of the present invention;

fig. 2 shows a schematic structural diagram of a filter provided according to an embodiment of the present invention;

fig. 3 shows a front view of a filter provided according to an embodiment of the invention;

fig. 4 shows a top view of a filter provided in accordance with an embodiment of the present invention;

FIG. 5 shows a schematic view of the direction A-A in FIG. 4;

FIG. 6 shows an enlarged schematic view at B in FIG. 5;

fig. 7 shows an enlarged schematic view at D in fig. 5.

Wherein the figures include the following reference numerals:

10. a main pipe; 11. an inflow port; 12. a communication port; 13. an outflow port; 14. a first connection section; 15. a second connection section; 20. a filtering part; 21. a filtration inlet; 22. a filtration outlet; 23. a sewage draining outlet; 24. a filter tube; 241. a third connection section; 25. filtering with a screen; 26. a limiting plate; 27. a blowoff valve; 28. a crossover sub; 29. a groove pipe joint; 210. an inner joint; 30. a connecting clamping groove; 40. the pipe sections are to be connected.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 7, an embodiment of the present invention provides a filter, which includes a main pipe 10 and a filtering portion 20, wherein the main pipe 10 has an inflow port 11, a communication port 12 and an outflow port 13, the inflow port 11 and the outflow port 13 are respectively located at two ends of the main pipe 10, the communication port 12 is disposed on a side wall of the main pipe 10, and the communication port 12 is located between the inflow port 11 and the outflow port 13. The filtering part 20 is inserted into the communicating port 12, the filtering part 20 has a filtering chamber, a filtering inlet 21, a filtering outlet 22 and a sewage draining outlet 23, the filtering inlet 21 is communicated with the inflow port 11, the filtering outlet 22 is communicated with the outflow port 13, and the sewage draining outlet 23 is positioned outside the main pipe 10, so that the liquid flowing in from the inflow port 11 flows into the outflow port 13 after being filtered by the filtering chamber. The main pipe 10 has a first connecting section 14 and a second connecting section 15 which are oppositely arranged, the inflow opening 11 is arranged at an end of the first connecting section 14, the outflow opening 13 is arranged at an end of the second connecting section 15, and a connecting clamping groove 30 is arranged on the first connecting section 14 and/or the second connecting section 15 to connect with a pipe section 40 to be connected through the connecting clamping groove 30.

Preferably, the first connecting section 14 and the second connecting section 15 are both provided with connecting clamping grooves 30, so that when the first connecting section 14 is connected with the pipe section 40 to be connected, only the connecting protrusion on the pipe section 40 to be connected needs to be clamped into the connecting clamping groove 30 of the first connecting section 14, and the structure is convenient for the installation and the disassembly of the first connecting section 14 and the pipe section 40 to be connected; when the second connection section 15 is connected with the to-be-connected pipe section 40, only the connection protrusion on the to-be-connected pipe section 40 needs to be clamped into the connection clamping groove 30 of the second connection section 15, and the structure facilitates the installation and the disassembly of the second connection section 15 and the to-be-connected pipe section 40. The connecting clamping groove 30 has a simple structure, is convenient to manufacture and realize, and is also convenient to install and disassemble.

In this embodiment, connecting card slot 30 has interconnect's direction section and joint section, and the one end that the joint section was kept away from to the direction section has the direction opening, and direction section and joint section are the angle setting of predetermineeing to the messenger waits to connect pipe section 40 and gets into behind the direction section by the direction opening card to the joint section in. By adopting the structure, the clamping stability of the connecting clamping groove 30 can be improved conveniently, so that the connecting stability of the first connecting section 14, the second connecting section 15 and the connecting pipe section is improved.

In particular, the guide section may extend in the axial direction of the main pipe 10. Alternatively, the clamping sections extend in the radial direction of the main pipe 10. Alternatively, the guide section extends in the axial direction of the main pipe 10, and the clamping section extends in the radial direction of the main pipe 10.

Preferably, the guiding section in this embodiment extends in the circumferential direction of the main pipe 10, and the clamping section extends in the radial direction of the main pipe 10. By adopting the structure, the guide section and the clamping section of the connecting clamping groove 30 are matched with the appearance of the main pipe 10, so that clamping is conveniently carried out during connection, and operation is convenient.

Specifically, the filtering portion 20 includes a filtering pipe 24 and a filtering net 25, the filtering pipe 24 is installed at the communication port 12, the filtering net 25 is installed in the filtering pipe 24, at least a portion of the filtering net 25 is installed in the main pipe 10, the filtering net 25 encloses a filtering chamber, one end of the filtering net 25 located in the main pipe 10 forms a filtering inlet 21, and one end of the filtering net 25 extending out of the main pipe 10 forms a filtering outlet 22; the outflow gap between the screen 25 and the wall of the filter tube 24 increases in the direction of extension of the filter inlet 21 to the filter outlet 22. With such a configuration, it is possible to prevent the filter screen 25 from being excessively large outside the main pipe 10 and to prevent the filter screen 25 from being wasted while ensuring that the filter screen 25 has a sufficient filtering area inside the main pipe 10, and it is also convenient to insert other components into the flow gap at the end of the filter pipe 24 remote from the main pipe 10. Meanwhile, by adopting the structure, the impurities in the filter cavity can be conveniently discharged from the sewage outlet 23.

The extending direction of the filter pipe 24 in this embodiment is inclined at a predetermined angle to the extending direction of the main pipe 10, so that the filter is in a Y-shaped structure as a whole.

In the present embodiment, the filter cross-section of the filter net 25 gradually decreases in the extending direction from the filter inlet 21 to the filter outlet 22. With the structure, the filter screen 25 in the main pipe 10 can fully filter the liquid in the main pipe 10, and the filtered impurities in the filter cavity can be discharged from the sewage outlet 23 conveniently.

Preferably, the screen 25 in this embodiment is of a conical cartridge construction. The conical cylinder is simple in structure and convenient to manufacture and realize.

In this embodiment, the filtering portion 20 further includes a limiting plate 26, the limiting plate is disposed in the main pipe 10 in an inclined manner relative to the axial direction of the main pipe 10, the limiting plate 26 is provided with a avoiding opening, the avoiding opening is disposed opposite to the filtering inlet 21, and the filter screen 25 abuts against the limiting plate 26. By adopting the structure, the filter screen 25 can be effectively limited by the limiting plate 26, and the stability of the filter screen 25 is improved.

Specifically, one end of the filter pipe 24, which is far away from the main pipe 10, is provided with a third connecting section 241, and a connecting clamping groove 30 is arranged on the third connecting section 241, so that the filter pipe 24 is connected with the to-be-connected component through the connecting clamping groove 30. By adopting the structure, the third connecting section 241 can be conveniently connected with the connecting piece to be connected through the connecting clamping groove 30, the structure is simple, and the disassembly and the assembly are convenient.

In this embodiment, the filter portion 20 further comprises a blow-off valve 27, the blow-off valve 27 being disposed at an end of the filter pipe 24 remote from the main pipe 10. By adopting the structure, when the blowoff valve 27 is opened, impurities in the filter screen 25 are washed clean by water flow with certain pressure, the pipe joint at the third connecting section 241 is not required to be disassembled, and only the blowoff valve 27 is required to be operated, so that the maintenance efficiency is remarkably improved.

Specifically, the blowoff valve 27 is a ball valve, which is simple in structure and reliable in function. After a period of operation, the impurities accumulated in the filter screen 25 can block the manifold, influence the water supply discharge capacity, and periodically wash the filter, and when the drain outlet 23 is opened on the ball valve, the impurities accumulated in the filter screen 25 are washed clean by water flow with certain pressure.

In the embodiment, the filter is suitable for the well cementation equipment, the well cementation equipment needs larger water quantity based on the requirement of slurry mixing capacity, the specification of a water supply manifold is more than 3 ″, and the size of the filter is designed to be matched with the size of the manifold. The structure of the filter is designed into a Y-shaped structure, and the filter screen 25 is designed to filter impurities in water; the external interface of filter connects and adopts connecting slot 30 structure (also be the slot type coupling promptly), utilizes the succinct structure of the most, and the minimum cost realizes external connection, considers its characteristic that needs regular maintenance simultaneously, guarantees in limited space, and the dismouting connects soon, and the maintenance is protected conveniently. A manifold provided with a filter screen 25 is provided with a drain outlet 23, and the drain outlet 23 is connected with a large-size ball valve.

The main pipe 10 and the filtering pipe 24 in this embodiment form a Y-shaped structure, and a filter net 25 is installed in the filtering pipe 24 to perform filtering. When water enters from the inflow port 11, the water flows in the direction shown by an arrow in fig. 1, the filter screen 25 blocks large-particle impurities in the water in the filter pipe 24, the filtered water flows out to an outlet through small holes in the filter screen 25, and the aperture of the filter screen 25 is designed to be reasonable in size by comprehensively considering three aspects of mud density requirement, maximum allowable drift diameter of components and discharge capacity of a water supply pump. The filter is installed on the discharge manifold of the water supply pump, and the discharge capacity of the water supply pump is not influenced as much as possible.

In this embodiment, grooves (i.e., the connection clamping grooves 30) are designed on both the first connection section 14 and the second connection section 15 of the main pipe 10, and are connected with the water supply manifold through the groove pipe joints 29, so that the connection mode of the water supply manifold and the water supply manifold as a whole is kept consistent, and various tools and bolts do not need to be configured. The connection of the filter pipe 24 to the blow-off valve 27 also utilizes a grooved pipe joint 29, which reduces the required installation and maintenance space compared to a flanged connection, reduces the number of bolts to two, and improves the installation and maintenance efficiency. Compared with threaded connection, a special tool required by large-specification threaded connection does not need to be designed and manufactured, the connector can be disassembled and assembled by using a conventional tool in a limited working space, maintenance and installation are convenient, the adapter 28 is simple to machine, and the manufacturing cost is reduced.

Specifically, the filter portion 20 further includes a transition joint 28, and a screw hole is formed inside the transition joint 28 to connect the nipple 210 and the ball valve through the screw hole.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the filter is convenient to disassemble and assemble, convenient to operate and convenient to realize large-flow filtration.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …", "above … …", "above … …", "above", and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)

1. A filter, comprising:

the main pipe (10) is provided with an inflow port (11), a communication port (12) and an outflow port (13), the inflow port (11) and the outflow port (13) are respectively positioned at two ends of the main pipe (10), the communication port (12) is arranged on the side wall of the main pipe (10), and the communication port (12) is positioned between the inflow port (11) and the outflow port (13);

the filtering part (20) is inserted into the communication port (12), the filtering part (20) is provided with a filtering cavity, a filtering inlet (21), a filtering outlet (22) and a sewage draining outlet (23), the filtering inlet (21) is communicated with the inflow port (11), the filtering outlet (22) is communicated with the outflow port (13), and the sewage draining outlet (23) is positioned outside the main pipe (10) so that liquid flowing in from the inflow port (11) flows into the outflow port (13) after being filtered by the filtering cavity;

the main pipe (10) is provided with a first connecting section (14) and a second connecting section (15) which are oppositely arranged, the inflow port (11) is arranged at the end part of the first connecting section (14), the outflow port (13) is arranged at the end part of the second connecting section (15), and a connecting clamping groove (30) is arranged on the first connecting section (14) and/or the second connecting section (15) so as to be connected with the pipe section to be connected through the connecting clamping groove (30).

2. The filter according to claim 1, wherein the connecting slot (30) has a guiding section and a clamping section which are connected with each other, one end of the guiding section, which is far away from the clamping section, is provided with a guiding opening, and the guiding section and the clamping section are arranged at a preset angle, so that the connecting tube section to be connected enters the guiding section through the guiding opening and then is clamped into the clamping section.

3. The filter of claim 2,

the guide section extends in the axial direction of the main pipe (10); and/or the presence of a gas in the gas,

the clamping section extends in the radial direction of the main pipe (10).

4. The filter according to claim 1, characterized in that the filter portion (20) comprises:

a filter tube (24) mounted at the communication port (12);

the filter screen (25) is installed in the filter pipe (24), at least part of the filter screen (25) is installed in the main pipe (10), the filter screen (25) surrounds the filter cavity, one end, located in the main pipe (10), of the filter screen (25) forms the filter inlet (21), and one end, extending out of the main pipe (10), of the filter screen (25) forms the filter outlet (22); along the extension direction of the filtering inlet (21) to the filtering outlet (22), the outflow gap between the filtering net (25) and the pipe wall of the filtering pipe (24) is gradually increased.

5. A filter according to claim 4, characterised in that the filter cross-section of the filter screen (25) decreases in the direction of extension of the filter inlet (21) to the filter outlet (22).

6. A filter according to claim 5, characterised in that the sieve (25) is of conical cartridge construction.

7. A filter according to claim 4, characterised in that the filter house (20) further comprises:

limiting plate (26), for the axial of being responsible for (10) sets up aslope in being responsible for (10), be provided with on limiting plate (26) and dodge the mouth, dodge the mouth with filter inlet (21) and set up relatively, filter screen (25) butt is in on limiting plate (26).

8. A filter according to any one of claims 4-7, characterised in that the end of the filter pipe (24) remote from the main pipe (10) has a third connecting section (241), and the third connecting section (241) is provided with the connecting clamping groove (30) so that the filter pipe (24) can be connected with a member to be connected through the connecting clamping groove (30).

9. A filter according to any one of claims 4-7, characterised in that the filter portion (20) further comprises:

and the blow-down valve (27) is arranged at one end of the filter pipe (24) far away from the main pipe (10).

10. A filter according to claim 9, characterised in that the drain valve (27) is a ball valve.

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