Online filling device of powder drag reducer for slickwater

Abstract

The utility model relates to the technical field of oil and gas field development fracturing, in particular to an on-line filling device of a powder drag reducer for slickwater, which comprises a screw feeder body, and a feeding pipe and a discharging pipe are respectively arranged on the outer wall of the screw feeder body. A feeding bin is arranged at the top of the feeding pipe; a connecting frame is arranged in the throwing bin; at least two inclined plates are distributed in the connecting frame in a staggered manner; two connecting assemblies are arranged on the connecting frame and used for disassembling and assembling the connecting frame into the throwing bin, through arrangement of the connecting assemblies, rapid disassembling and assembling of the connecting frame are achieved, workers can conveniently clean and maintain the interior of the throwing bin, and the working efficiency is improved; and through the arrangement of the inclined plate, the feeding height of the powder drag reducer is reduced, the powder flying phenomenon is relieved, and waste of the powder drag reducer and environmental pollution are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil and gas field development fracturing technical field, concretely is a kind of on-line filling device of powder drag reducing agent for slickwater. BACKGROUND

[0002] The main additives of slickwater fracturing fluid include drag reducing agent, clay stabilizer, cleanup aid and bactericide etc. The drag reducing agent is the most critical additive, and its main function is to prevent the transition from laminar flow to turbulent flow or weaken the degree of turbulent flow, reduce the flow resistance of liquid, thereby effectively reducing the pump pressure of construction ground fracturing vehicle.

[0003] In the prior art, the Chinese utility model patent with the authorization announcement number CN209724309U discloses "an on-line filling device of powder drag reducing agent for slickwater", which is composed of centrifugal water pump, turbine flowmeter, mixer, liquid additive tank, liquid additive pump, mass flowmeter, control cabinet, main screw feeder, main dry powder bin, auxiliary screw feeder and auxiliary dry powder bin. The structure is pry-mounted, the centrifugal water pump is preferably used as power, and the on-line addition and mixing of dry material and wet material can be simultaneously completed, and the diffusion and pollution of powder drag reducing agent during premixing and compounding are reduced.

[0004] Although the on-line filling device of powder drag reducing agent in the prior art can simultaneously complete the on-line addition and mixing of dry material and wet material, and although the diffusion and pollution of powder drag reducing agent during premixing and compounding are reduced, when the powder drag reducing agent needs to be put into the powder bin on the screw feeder, since the putting position is usually located at the top of the powder bin, the powder drag reducing agent will inevitably extrude the air below during the process of falling from a high place. According to the principle of fluid mechanics, the air will flow to all directions after being extruded, and in this process, the powder particles will be carried together to fly upwards, which directly leads to two problems: on the one hand, part of the powder drag reducing agent will be scattered to the outside of the powder bin with the flying air, causing the waste of powder drag reducing agent and increasing the construction cost; on the other hand, the powder drag reducing agent flying out will pollute the surrounding environment, which may affect the normal operation of equipment and the health of personnel in the construction site, and may also have adverse effects on the surrounding ecological environment. Therefore, we propose an on-line filling device of powder drag reducing agent for slickwater. UTILITY MODEL CONTENTS

[0005] One of the technical problems to be solved by the present application is to design a method of on-line filling device aiming to reduce the powder drag reducing agent putting height and reduce the powder flying during the filling process.

[0006] To solve the above technical problems, the embodiment of the present application provides an on-line filling device of powder drag reducing agent for slickwater, which comprises a screw feeder body, and the outer wall of the screw feeder body is respectively provided with a feeding pipe and a discharging pipe.

[0007] The top of the feeding pipe is provided with a feeding bin;

[0008] The inside of the feeding bin is provided with a connecting frame;

[0009] The inside of the connecting frame is staggered with at least two inclined plates;

[0010] Two groups of connecting components are arranged on the connecting frame, which are used for disassembling and assembling the connecting frame in the inside of the feeding bin.

[0011] In some embodiments, the connecting component comprises a screw rod arranged on the outer wall of the feeding bin, two fixed plates arranged on the connecting frame, a rotating shaft arranged on each of the two fixed plates, a connecting piece connected to the rotating shaft of each of the two fixed plates, a fixed hole arranged on the connecting piece and matched with the screw rod, an avoiding hole arranged on the connecting piece and matched with the fixed hole, a screw cap threadedly arranged on the outer wall of the screw rod and inserted into the fixed hole, and a fixed sheet arranged on one end of the screw cap.

[0012] In some embodiments, the top of the feeding bin is provided with two installation holes for inserting the fixed plates.

[0013] In some embodiments, the two sides of the avoiding hole are provided with inclined grooves.

[0014] In some embodiments, the diameter of the screw rod is slightly smaller than the width of the avoiding hole.

[0015] In some embodiments, the two sides of the avoiding hole are provided with inclined grooves, which are used for guiding the fixed hole to be more accurately sleeved on the outer wall of the screw rod.

[0016] In some embodiments, the bottom of each of the two inclined plates is provided with a pair of supporting plates, and the other side of the supporting plate is arranged in the inside of the connecting frame.

[0017] The utility model at least has the following beneficial effects:

[0018] 1. Through the arrangement of the connecting component, the connecting frame is quickly disassembled and assembled, the inside of the feeding bin is conveniently cleaned and maintained, and the working efficiency is improved.

[0019] 2. Through the arrangement of the inclined plate, the height of the powder drag reducer during feeding is reduced, the phenomenon of powder flying is slowed down, and the waste of the powder drag reducer and the environmental pollution are reduced.

[0020] 3. Through the arrangement of the supporting plate, the connection stability between the inclined plate and the connecting frame is improved, and the reliability and service life of the utility model are improved. DRAWINGS

[0021] Figure 1 It is the whole structure schematic view of the utility model;

[0022] Figure 2 It is the installation structure schematic view of the utility model inclined plate;

[0023] Figure 3 It is the utility model Figure 2 The enlarged structure schematic view of A place;

[0024] Figure 4 It is the utility model connection frame's exploded structure schematic view;

[0025] Figure 5 It is the utility model Figure 4 The enlarged structure schematic view of B place.

[0026] In the drawing: 1, screw feeder body; 2, discharge pipe; 3, feed pipe; 4, drop-off bin; 5, connecting frame; 6, inclined plate; 7, mounting hole; 10, support plate; 100, connecting assembly; 101, fixed plate; 102, connecting piece; 103, fixed hole; 104, avoiding hole; 105, inclined groove; 106, screw; 107, nut; 108, fixed sheet. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model. EMBODIMENT

[0028] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a kind of powder drag-reducing agent's on-line filling device for slick water, including screw feeder body 1, the outer wall of screw feeder body 1 is equipped with feed pipe 3 and discharge pipe 2 respectively;

[0029] The top of feed pipe 3 is provided with drop-off bin 4;

[0030] The inside of drop-off bin 4 is provided with connecting frame 5;

[0031] At least two inclined plates 6 are staggered in the inside of connecting frame 5, for controlling the height of powder drag-reducing agent when dropping and slowing down powder drag-reducing agent flying;

[0032] Two groups of connecting assemblies 100 are equipped on connecting frame 5, for connecting frame 5 is disassembled in the inside of drop-off bin 4;

[0033] The connecting assembly 100 comprises a screw rod 106 arranged on the outer wall of the feeding bin 4, two fixed plates 101 arranged on the connecting frame 5, and a connecting piece 102 connected to the two fixed plates 101 through the rotating shafts arranged on the two fixed plates 101, wherein the connecting piece 102 is provided with a fixed hole 103 matched with the screw rod 106 and an avoiding hole 104 matched with the fixed hole 103, and the outer wall of the screw rod 106 is provided with a screw cap 107 inserted into the fixed hole 103 through threads, and the screw cap 107 is provided with a fixed sheet 108 at one end thereof;

[0034] The top of the feeding bin 4 is provided with two mounting holes 7 for inserting the fixed plates 101, so that the two sides of the two fixed plates 101 are tightly fitted on the inner walls of the two mounting holes 7, thereby increasing the connection stability between the connecting frame 5 and the feeding bin 4;

[0035] The two sides of the avoiding hole 104 are provided with inclined grooves 105, so that when the connecting piece 102 is installed on the feeding bin 4, even if there is a certain deviation between the positions of the fixed hole 103 and the screw rod 106, the fixed hole 103 can be more smoothly sleeved on the outer wall of the screw rod 106 through the guiding action of the inclined grooves 105, thereby improving the installation efficiency and accuracy;

[0036] The diameter of the screw rod 106 is slightly smaller than the width of the avoiding hole 104, so that the avoiding hole 104 can smoothly pass through the outer wall of the screw rod 106, the fixed hole 103 can be sleeved on the screw rod 106, and the connecting piece 102 can be quickly positioned on the outer wall of the feeding bin 4, thereby improving the installation efficiency;

[0037] The two sides of the avoiding hole 104 are provided with inclined grooves 105 for guiding the fixed hole 103 to be more accurately sleeved on the outer wall of the screw rod 106, which can facilitate the user to install the connecting frame 5;

[0038] In use, first, the screw rod feeder body 1 is installed at a specified position, and when it is necessary to install the connecting frame 5 in the feeding bin 4, the connecting frame 5 is placed in the feeding bin 4, and the two sides of the two fixed plates 101 are tightly fitted on the inner walls of the two mounting holes 7, thereby preliminarily fixing the connecting frame 5;

[0039] At this time, the connecting piece 102 is turned over, the avoiding hole 104 of the connecting piece 102 passes through the screw rod 106 through the guiding action of the inclined grooves 105, and the fixed hole 103 can be more accurately sleeved on the outer wall of the screw rod 106;

[0040] Subsequently, the nut 107 is mounted on the outer wall of the screw rod 106 by screwing until one end of the nut 107 is inserted into the inside of the fixing hole 103, thereby fixing the connecting piece 102 on the outer wall of the delivery bin 4, completing the installation process of the connecting frame 5, which is simple and fast, facilitating the workers to quickly disassemble and assemble the connecting frame 5 in the inside of the delivery bin 4, and improving the work efficiency;

[0041] By arranging the two inclined plates 6, the impact force of the powder drag reduction agent caused by height during delivery can be reduced, and meanwhile, the staggered distribution of the inclined plates 6 can also make the powder drag reduction agent change direction multiple times during falling, further slow down the falling speed, and make it more uniformly dispersed in the inside of the delivery bin 4, avoiding the accumulation and flying of the powder during delivery, thereby reducing the waste and environmental pollution of the powder drag reduction agent. Embodiment

[0042] Please refer to Figures 4-5 The utility model provides a technical scheme:

[0043] Different from embodiment 1 is that;

[0044] The bottom of the two inclined plates 6 is provided with a pair of supporting plates 10, and the other side of the supporting plate 10 is arranged in the inside of the connecting frame 5. By arranging the supporting plate 10, the structural stability between the inclined plate 6 and the connecting frame 5 is further enhanced. The supporting plate 10 not only provides additional support for the inclined plate 6, but also ensures that the inclined plate 6 will not deform or displace during installation and use, thereby ensuring that the powder drag reduction agent can stably slide along the inclined plate 6 during delivery, further slowing down the flying phenomenon of the powder.

[0045] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0046] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model.

Claims

1. An on-line dosing device for slick water powder friction reducer comprising a screw feeder body (1) characterized in that: The outer wall of the screw feeder body (1) is respectively provided with an inlet pipe (3) and an outlet pipe (2); The top of the inlet pipe (3) is provided with a feeding bin (4); The inside of the feeding bin (4) is provided with a connecting frame (5); The inside of the connecting frame (5) is staggered with at least two inclined plates (6); Two groups of connecting assemblies (100) are arranged on the connecting frame (5) for disassembling the connecting frame (5) in the inside of the feeding bin (4).

2. An on-line dosing device for slick water powder friction reducer according to claim 1, characterized in that: The connecting assembly (100) comprises a screw (106) arranged on the outer wall of the feeding bin (4), two fixed plates (101) arranged on the connecting frame (5), two shafts arranged on the two fixed plates (101), a connecting piece (102) connected to the two fixed plates (101) through the shafts, a fixed hole (103) arranged on the connecting piece (102) and matched with the screw (106), an avoiding hole (104) arranged on the connecting piece (102) and matched with the fixed hole (103), a screw cap (107) threadedly arranged on the outer wall of the screw (106) and inserted into the inside of the fixed hole (103), and a fixed sheet (108) arranged on one end of the screw cap (107).

3. An on-line dosing device for slick water powdered friction reducer as claimed in claim 1, characterized in that: Two mounting holes (7) for inserting the fixed plates (101) are arranged on the top of the feeding bin (4).

4. The on-line dosing device for slick water powder friction reducer according to claim 2, characterized in that: The two sides of the avoiding hole (104) are provided with inclined grooves (105).

5. The on-line dosing device for slick water powder friction reducer according to claim 2, characterized in that: The diameter of the screw (106) is slightly smaller than the width of the avoiding hole (104).

6. The on-line dosing device for slick water powder friction reducer according to claim 2, characterized in that: The two sides of the avoiding hole (104) are provided with inclined grooves (105).

7. The on-line dosing device for slick water powder friction reducer of claim 1, wherein: A pair of support plates (10) are arranged on the bottom of the two inclined plates (6), and the other side of the support plate (10) is arranged in the inside of the connecting frame (5).

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