CN212900308U - Low-pressure portable manifold device easy to clean - Google Patents

Abstract

The utility model discloses a portable easy clean manifold device of low pressure, include: the two ends of the main manifold are provided with openings, and the openings are respectively sealed by a detachable blind plate; a liquid outlet and an emptying port which are communicated with the inner cavity of the main manifold are arranged at the top end of the main manifold, and an emptying valve is arranged on an emptying pipe which is connected outside the emptying port; a detachable filter screen is arranged at the middle upper end of the inner cavity of the main manifold; the branch manifolds are arranged in parallel along the axis direction of the main manifold and are positioned in the middle or lower end position of one side or two sides of the main manifold, and the branch manifolds are communicated with the inner cavity of the main manifold; and each branch manifold is provided with a liquid inlet valve and connected with a delivery pump. The utility model solves the problem of caking filtration; the problem that the bubbles in the existing low-pressure portable manifold cannot float in time, are difficult to discharge from an emptying port and directly enter a discharge pipeline, and the metering is influenced is solved; the problem of caking accumulation in the manifold causes the cutout is solved.

Description

Low-pressure portable manifold device easy to clean

Technical Field

The utility model relates to an oil gas exploration technical field, more specifically the theory that says so relates to a portable easy clean manifold device of low pressure.

Background

In the process of oil field development, fracturing is used as the most direct and effective stimulation increasing measure, the scale of the fracturing is larger and larger, and the specific weight of the required polymer fracturing fluid is gradually increased. The polymer fracturing fluid has certain viscosity, the kinematic viscosity value is 200-400mPa & s, and the polymer fracturing fluid is packaged by plastic ton barrels instead of tank cars for transportation to ensure quality due to the characteristic that the polymer fracturing fluid rapidly becomes viscous when meeting water.

In the field use process, a manifold is needed to connect the polymer fracturing fluid packaged by the ton barrels and then supply the polymer fracturing fluid to the sand mixing truck. In the low-pressure portable manifold in the prior art, a liquid outlet is arranged below a main manifold, and an emptying port and an emptying valve are arranged above the main manifold. And in the material pumping process, a branch feeding manifold generally has a small amount of bubbles when opening a valve for feeding, if the structure of the manifold is designed according to the prior art, the top end of a main manifold is provided with a small emptying valve, but the material has larger viscosity, the liquid pumping speed of a discharge port at the bottom end is high, the bubbles cannot float in time, and the bubbles directly enter a discharge pipeline to influence the metering.

In addition, a small amount of caking sometimes exists in the polymer fracturing fluid entering the main manifold, and the caking is easy to block at the manifold in the pumping process to cause flow break, so that the pressure is increased in the fracturing construction process, and the risk of fracturing accidents is caused.

Therefore, how to provide a low-pressure portable easy-to-clean manifold to solve the above-mentioned shortcomings of the low-pressure portable manifolds in the prior art becomes a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to provide a portable easy clean manifold device of low pressure, its concrete technical scheme as follows:

a low pressure portable easy clean manifold device comprising:

the two ends of the main manifold are provided with openings, and the openings are respectively sealed by a detachable blind plate; a liquid outlet and an emptying port which are communicated with an inner cavity of the main manifold are arranged at the top end of the main manifold, and an emptying valve is arranged on an emptying pipe which is connected outside the emptying port; a detachable filter screen is arranged at the middle upper end of the inner cavity of the main manifold and is arranged along the axial direction of the main manifold;

the branch manifolds are arranged independently, are arranged side by side along the axis direction of the main manifold and are positioned at the middle or lower end position of one side or two sides of the main manifold, and are communicated with the inner cavity of the main manifold; and each branch line manifold is provided with a liquid inlet valve and is connected with a delivery pump.

The utility model discloses a portable manifold of current low pressure improves, adjusts the bottom liquid outlet of the portable manifold master manifold of current low pressure to the top, sets up the filter screen in the well upper end of being responsible for the manifold inner chamber simultaneously to make the structure that can open, can seal the formula with the both ends of master manifold. In the using process, the branch pipe manifold positioned in the middle or the lower end is fed, so that the polymer fracturing fluid is gradually filled in the whole main pipe manifold, the filter screen close to the top end can filter the material firstly, and then the material flows out from the liquid outlet at the top end of the main pipe manifold, and the problem of caking filtration is perfectly solved; simultaneously, due to the fact that the structure discharges materials from the top end, the problem that bubbles in an existing low-pressure portable manifold cannot float up in time and are difficult to discharge from an emptying port and directly enter a discharging pipeline to affect metering is solved.

The utility model discloses the back that finishes using, removable blind plate opens the opening of being responsible for the collection both sides, clears up the caking in the incomplete material and washs manifold and filter plate, prevents that the caking accumulation from causing the problem of cutout in the manifold, has effectively avoided the emergence of fracturing accident.

On the basis of the technical scheme, the utility model discloses still can make following improvement:

preferably, at least one liquid outlet is arranged; when one liquid outlet is arranged, the liquid outlet is connected with a liquid outlet manifold, and the liquid outlet manifold conveys the whole material out; when the liquid outlets are multiple, each liquid outlet is connected with a liquid outlet branch manifold, the liquid outlet branch manifolds are connected with the liquid outlet manifold, and the liquid outlet manifold conveys the whole material out.

The number of the liquid outlets can be designed into one or more according to the actual discharge flow rate requirement of the polymer fracturing fluid.

Preferably, a proportioning pump is installed on the liquid outlet manifold and used for accurately metering the delivered polymer fracturing liquid.

Preferably, the aperture of the liquid outlet is far larger than that of the evacuation port.

The emptying port is used for emptying air bubbles in the polymer fracturing fluid entering the main manifold so as to ensure that the air can be safely emptied in time, and therefore the design is not required to be too large.

Preferably, a support frame is respectively fixed on two sides of the middle upper end of the inner cavity of the main manifold, which are perpendicular to the axial direction of the main manifold, and the filter screen is erected on the support frame.

The structure can facilitate the worker to disassemble the filter screen easily so as to clean the filter screen.

Preferably, the bottom end of the main manifold is provided with a supporting leg for supporting the whole device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Wherein, in the figure,

1-main manifold, 2-blind plate, 3-emptying pipe, 4-emptying valve, 5-filter screen, 6-branch manifold, 7-liquid outlet manifold, 8-support frame and 9-support foot.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example (b):

a low-pressure portable easy-to-clean manifold device according to an embodiment of the present invention is described in detail with reference to fig. 1.

As shown in fig. 1, the embodiment of the utility model discloses a portable easy clean manifold device of low pressure, the device includes: a main manifold 1 and a branch manifold 6.

In particular, the method comprises the following steps of,

openings are formed in two ends of the main manifold 1, and the openings are respectively sealed by a detachable blind plate 2; a liquid outlet and an emptying port which are communicated with the inner cavity of the main manifold 1 are arranged at the top end of the main manifold 1, and an emptying valve 4 is arranged on an emptying pipe 3 which is connected outside the emptying port; the middle upper end of the inner cavity of the main manifold 1 is provided with a detachable filter screen 5, and the filter screen 5 is arranged along the axial direction of the main manifold 1.

The branch manifolds 6 are arranged independently, the branch manifolds 6 are arranged side by side along the axial direction of the main manifold 1 and are positioned in the middle or lower end position of one side or two sides of the main manifold 1, and the branch manifolds 6 are communicated with the inner cavity of the main manifold 1; each branch manifold 6 is provided with a liquid inlet valve and is connected with a delivery pump (not shown in the figure).

In order to further optimize the technical scheme of the embodiment, at least one liquid outlet is arranged; when there is one liquid outlet, as shown in fig. 1, the liquid outlet is connected to the liquid outlet manifold 7, and the liquid outlet manifold 7 integrally conveys the material; when the number of the liquid outlets is multiple, each liquid outlet is connected with one liquid outlet branch manifold, the liquid outlet branch manifolds are connected with the liquid outlet manifold 7, and the liquid outlet manifold 7 integrally conveys the materials out.

In order to further optimize the technical solution of this embodiment, a metering pump (not shown in the figure) is further installed on the liquid outlet manifold 7.

In order to further optimize the technical scheme of the embodiment, the aperture of the liquid outlet is far larger than that of the evacuation port.

In order to further optimize the technical scheme of the embodiment, a support frame 8 is respectively fixed on two sides of the middle upper end of the inner cavity of the main manifold 1, which are perpendicular to the axial direction of the main manifold, and the filter screen 5 is erected on the support frame 8.

In order to further optimize the technical solution of the present embodiment, the bottom end of the main manifold 1 is provided with a supporting foot 9.

The utility model discloses a concrete application method does:

firstly, connecting a plurality of ton barrels filled with polymer fracturing fluid materials with different branch manifolds 6 respectively, opening liquid inlet valves and delivery pumps on the branch manifolds 6 at the same time, and delivering the polymer fracturing fluid materials in the ton barrels to a main manifold 1; after the polymer fracturing fluid material is gradually filled in the whole main manifold 1, a filter screen 5 at the upper end in the inner cavity of the main manifold 1 firstly filters the material to prevent caking in the material from passing through, then the material flows out from a liquid outlet at the top end of the main manifold 1 and flows into a liquid outlet manifold 7, a metering pump on the liquid outlet manifold 7 is used for controlling the outflow of the material, and the polymer fracturing fluid material finally enters the sand mixer from an outlet of the liquid outlet manifold 7;

in the process that the branch manifold 6 fills materials into the main manifold 1 for the first time, the emptying valve 4 on the emptying pipe 3 is required to be kept in a normally open state so as to discharge bubbles in the main manifold 1 at any time and ensure the normal pressure of the inner cavity of the main manifold 1; after the materials in the main pipe manifold 1 are completely filled, the emptying valve 4 can be closed, and the emptying valve 4 is opened at intervals to empty once in the whole material conveying process;

after the whole material conveying process is finished, workers can open the blind plates 2 at the two ends of the main manifold 1, firstly, materials remaining in the main manifold 1 are recycled and subjected to centralized treatment, and caking in the materials is removed; then the manifold is cleaned, the filter screen 5 positioned in the main manifold 1 is taken down, the caking in the meshes of the filter screen 5 is removed, and finally the filter screen 5 and the blind plate 2 are installed again.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A low pressure portable easy clean manifold device comprising:

the device comprises a main manifold (1), wherein two ends of the main manifold (1) are provided with openings, and the openings are respectively sealed by a detachable blind plate (2); a liquid outlet and an emptying port which are communicated with the inner cavity of the main manifold (1) are arranged at the top end of the main manifold (1), and an emptying valve (4) is arranged on an emptying pipe (3) which is connected outside the emptying port; a detachable filter screen (5) is arranged at the middle upper end of the inner cavity of the main manifold (1), and the filter screen (5) is arranged along the axial direction of the main manifold (1);

the branch manifolds (6) are arranged independently, the branch manifolds (6) are arranged side by side along the axis direction of the main manifold (1) and are positioned in the middle or lower end positions of one side or two sides of the main manifold (1), and the branch manifolds (6) are communicated with the inner cavity of the main manifold (1); and a liquid inlet valve is arranged on each branch line manifold (6) and is connected with a delivery pump.

2. A low pressure portable easy to clean manifold apparatus as claimed in claim 1 wherein at least one of said outlets is provided; when the number of the liquid outlets is one, the liquid outlets are connected with a liquid outlet manifold (7), and the liquid outlet manifold (7) conveys the whole material out; when the liquid outlets are multiple, each liquid outlet is connected with one liquid outlet branch manifold, the liquid outlet branch manifolds are further connected with the liquid outlet manifold (7), and the liquid outlet manifold (7) conveys the whole material out.

3. A low pressure portable easy to clean manifold device according to claim 2 characterized in that said outlet manifold (7) is equipped with a metering pump.

4. The low pressure portable easy to clean manifold apparatus of claim 1, wherein the bore of said liquid outlet is substantially larger than the bore of said evacuation port.

5. A low pressure portable easy cleaning manifold device according to claim 1, characterized in that a support frame (8) is fixed on each side of the inner cavity of the main manifold (1) at the upper end perpendicular to the axial direction, and the filter screen (5) is set on the support frame (8).

6. A low pressure portable easy to clean manifold device according to any of claims 1 to 5 characterized in that the bottom end of the main manifold (1) is provided with support feet (9).

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