Cleaning device for discharge manifold of fracturing pry

Abstract

The utility model provides a cleaning device for a fracturing pry discharge manifold, and relates to the field of oil field fracturing operation. The cleaning device for the fracturing pry discharge manifold comprises a pipe body, one end of the pipe body is provided with a water hose, and one end of the water hose is communicated with the interior of the pipe body; the other end of the water hose can be communicated with the pump body output end of the fracturing pry; the spraying mechanism is arranged on the outer side wall of the pipe body; the spraying mechanism communicates with the interior of the pipe body; the spraying mechanism is provided with a nozzle; the moving mechanism is arranged on the outer side wall of the pipe body; the moving mechanism is provided with a plurality of rollers; wherein the spray head is obliquely arranged towards the water inlet end of the pipe body, and when a pump body of the fracturing pry inputs liquid into the pipe body, the spray head can spray out the liquid to push the cleaning device for the fracturing pry discharge manifold to move along the interior of the fracturing pry discharge manifold under the guide of the moving mechanism; according to the cleaning device for the discharge manifold of the fracturing pry, the interior of the discharge manifold can be efficiently cleaned by using the original high-pressure pump body of the fracturing pry.

Description

Technical Field

[0001] This utility model relates to the field of oilfield fracturing operations, specifically a cleaning device for fracturing skid discharge manifold. Background Technology

[0002] A fracturing skid is a key piece of equipment used in oilfield fracturing operations, primarily for the development of unconventional oil and gas resources such as shale gas and tight oil and gas. The main function of the fracturing skid is to provide high-pressure fluid power to inject fracturing fluid (typically containing water, sand, and other additives) downhole, forming a fracture network, thereby increasing the flow channels for oil and gas and improving well production. A fracturing skid typically consists of multiple high-pressure pumps, a control system, piping, valves, instruments, and other auxiliary equipment, all integrated onto one or more skids for easy transport and field operations. The fracturing skid's discharge manifold, connected to the high-pressure pump body, delivers the mixed fracturing fluid to the fracturing area.

[0003] The discharge manifolds required by fracturing skids are prone to retaining fracturing fluid and impurities, causing internal blockages and corrosion. Current methods for cleaning discharge manifolds primarily involve circulating water through pipes. However, because the discharge manifolds are multi-sectioned with elbows, this method is often insufficient to thoroughly remove residual fracturing fluid and impurities. Another approach is to disassemble the discharge manifold into multiple sections for cleaning. While this method can more thoroughly remove internal residues, disassembling and reassembling the manifold introduces additional workload and negatively impacts its structural stability and lifespan. Utility Model Content

[0004] This invention addresses the problems of incomplete cleaning of fracturing skid discharge manifolds in existing technologies, which increases workload and affects the structural stability and service life of the discharge manifolds. It provides a fracturing skid discharge manifold cleaning device that can efficiently clean the inside of the discharge manifold using the high-pressure pump body originally provided by the fracturing skid.

[0005] The technical solution adopted in this utility model is:

[0006] A cleaning device for draining manifolds from fracturing skids, comprising:

[0007] The pipe body has a water hose at one end, with one end of the water hose communicating with the inside of the pipe body; the other end of the water hose can be connected to the pump output end of the fracturing skid.

[0008] A spraying mechanism is disposed on the outer wall of the pipe body; the spraying mechanism communicates with the interior of the pipe body; and the spraying mechanism has a nozzle; and

[0009] A moving mechanism is disposed on the outer side wall of the tube; and the moving mechanism has a plurality of rollers.

[0010] The nozzle is inclined toward the water inlet end of the pipe. When the pump of the fracturing skid inputs liquid into the pipe, the nozzle can spray liquid to push the cleaning device of the fracturing skid discharge manifold to move along the inside of the fracturing skid discharge manifold under the guidance of the moving mechanism.

[0011] Furthermore, the pipe body has at least a first pipe segment and a fifth pipe segment at both ends; and the moving mechanism includes a first moving unit and a second moving unit; the first moving unit is disposed on the first pipe segment, and the second moving unit is disposed on the fifth pipe segment.

[0012] Furthermore, the first pipe segment is provided with a first protrusion, and the first protrusion is provided with a first slide rail; the first moving unit has a first slider slidably disposed in the first slide rail, and a first spring is connected between the first slider and the first protrusion; the fifth pipe segment is provided with a second protrusion, and the second protrusion is provided with a second slide rail; the second moving unit has a second slider slidably disposed in the second slide rail, and a second spring is connected between the second slider and the second protrusion.

[0013] Furthermore, the pipe body also has at least a third pipe section in the middle, the third pipe section is provided with a plurality of connecting ports, the injection mechanism has an annular pipe communicating with the plurality of connecting ports, and the annular pipe is sleeved on the outer wall of the third pipe section.

[0014] Furthermore, multiple sets of nozzles in different directions are provided on the outer wall of the annular tube.

[0015] Furthermore, a second pipe section is provided between the first pipe section and the third pipe section. The second pipe section is an elastic corrugated pipe, which allows the first pipe section and the third pipe section to be offset relative to each other.

[0016] Furthermore, a fourth pipe section is provided between the fifth pipe section and the third pipe section. The fourth pipe section is an elastic corrugated pipe, which allows the fifth pipe section and the third pipe section to be offset relative to each other.

[0017] Furthermore, a detection mechanism is provided on the end of the pipe body that is not connected to the water hose, and four laser detectors are evenly arranged in the circumferential direction of the detection mechanism; a baffle is provided on the side of the detection mechanism facing the inside of the pipe body; and a protective cover is provided on the side of the detection mechanism facing the outside of the pipe body.

[0018] Furthermore, a connecting pipe is provided on one end of the water hose that is connected to the pump body of the fracturing skid. One end of the connecting pipe is provided with an internally threaded pipe that is connected to the water hose. The internally threaded pipe can be threadedly connected to the output end of the pump body of the fracturing skid. The other end of the connecting pipe is sleeved on the outside of the water hose. A storage cavity is provided inside the connecting pipe for winding and storing the water hose.

[0019] Furthermore, the connecting pipe is fitted onto one end of the water hose and has an external threaded pipe, on which a baffle is threadedly connected.

[0020] The beneficial effects of this utility model are:

[0021] 1. This utility model, by setting up a pipe body connected to the output end of the high-pressure pump body of the fracturing skid, uses a spraying mechanism on the pipe body to spray cleaning fluid onto the inner wall of the discharge manifold and towards the water inlet side. While cleaning the inner wall of the discharge manifold, it also provides a force for the cleaning mechanism to move forward. In addition, with the guidance of the rollers of the moving mechanism set on the outside of the pipe body, the cleaning mechanism can move along the pipe of the discharge manifold while cleaning. Thus, without removing the discharge manifold, it can quickly and effectively clean the inner wall of the discharge manifold, solving the problems of incomplete cleaning of the discharge manifold of the fracturing skid in the prior art, which increases the workload and affects the structural stability and service life of the discharge manifold. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a perspective view of the cleaning mechanism according to an embodiment of the present utility model;

[0024] Figure 2 This is a three-dimensional schematic diagram of the tube body according to an embodiment of the present utility model;

[0025] Figure 3 This is a three-dimensional schematic diagram of the spraying mechanism according to an embodiment of the present utility model;

[0026] Figure 4 This is a schematic diagram of the internal structure of the first moving unit in an embodiment of the present utility model;

[0027] Figure 5 This is a schematic diagram of the internal structure of the second moving unit according to an embodiment of the present invention;

[0028] Figure 6 This is a perspective view of the protective cover according to an embodiment of the present utility model;

[0029] Figure 7 This is a perspective view of the baffle according to an embodiment of the present utility model;

[0030] Figure 8 This is a schematic diagram of the internal structure of the connecting pipe and baffle in an embodiment of the present utility model.

[0031] Reference numerals: 100-pipe body, 110-first pipe section, 112-connector, 113-water hose, 114-first protrusion, 116-first slide, 120-second pipe section, 130-third pipe section, 132-connecting port, 140-fourth pipe section, 150-fifth pipe section, 154-second protrusion, 156-second slide;

[0032] 200 - Jet mechanism, 210 - Nozzle, 220 - Annular tube, 230 - Inlet;

[0033] 310 - First moving unit, 312 - First roller, 314 - First slider, 315 - Brush, 316 - First spring, 318 - First rotating shaft, 320 - Second moving unit, 322 - Second roller, 324 - Second slider, 326 - Second spring, 328 - Second rotating shaft;

[0034] 400-Detection mechanism, 410-Laser detector, 420-Protective cover, 422-Groove, 424-Snap-fit ​​block, 430-Baffle, 432-Snap-fit ​​hole;

[0035] 500 - baffle plate, 510 - threaded hole;

[0036] 600 - Connecting pipe, 610 - Externally threaded pipe, 612 - Connecting hole, 620 - Storage cavity, 630 - Internally threaded pipe. Detailed Implementation

[0037] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0038] The following disclosure provides many different embodiments or examples for implementing various structures of this invention. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this invention.

[0039] The embodiments of the utility model will now be described in detail with reference to the accompanying drawings.

[0040] Example 1

[0041] Fracturing skids require regular cleaning of the discharge manifold to remove residual fracturing fluid and impurities, ensuring internal cleanliness and preventing blockages and corrosion. Current methods primarily involve circulating water through pipes into the discharge manifold. However, because the manifold is segmented and connected by bends, this method is often insufficient to thoroughly remove residual fracturing fluid and impurities. Another approach is to disassemble the discharge manifold into segments for cleaning. While this method can more thoroughly remove internal residues, disassembling and reassembling the manifold introduces additional workload and negatively impacts its structural stability and lifespan.

[0042] To address the aforementioned problems in the prior art, this embodiment provides a cleaning device for the discharge manifold of a fracturing skid. This device is used to clean the discharge manifold of a fracturing skid. It utilizes the high-pressure pump body inherent in the fracturing skid for efficient cleaning of the inside of the discharge manifold, and can operate within the intact discharge manifold without disassembling it, thus improving the structural stability and service life of the discharge manifold. Please refer to [link / reference]. Figures 1-8 The fracturing skid discharge manifold cleaning device mainly includes: a pipe body 100, a spraying mechanism 200 connected to the pipe body 100, and a moving mechanism installed on the outer wall of the pipe body 100.

[0043] The pipe body 100 serves both as a conduit for the flow of cleaning fluid and as the main structure of the entire fracturing skid discharge manifold cleaning device, connecting the various major components of the device. For example... Figure 1 , Figure 2As shown, the pipe body 100 is divided into a first pipe section 110, a second pipe section 120, a third pipe section 130, a fourth pipe section 140, and a fifth pipe section 150 from one end to the other. The first pipe section 110 has a connector 112 at its outward-facing end. The connector 112 has a roughly circular cross-section and is used to connect a water hose 113. The other end of the water hose 113 is connected to the pump output end of the fracturing skid. The water hose 113 can be wound and released, so the end of the water hose 113 connected to the connector 112 can move with the movement of the pipe body 100. The main body of the first pipe section 110 has a roughly octagonal cross-section. Four first protrusions 114 are provided on the outer wall of the first pipe section 110. The first protrusions 114 are evenly distributed around the circumference of the first pipe section 110, and a first slide 116 is provided within each first protrusion 114 for mounting a moving mechanism. The first pipe section 110 connects to the second pipe section 120 at one end. The second pipe section 120 is an elastic corrugated pipe with a roughly circular cross-section, allowing the first pipe section 110 and the third pipe section 130 on both sides to be offset relative to each other, which improves the flexibility of the entire cleaning device during movement. Similarly, the fourth pipe section 140 is also an elastic corrugated pipe with a roughly circular cross-section, allowing the fifth pipe section 150 and the third pipe section 130 on both sides to be offset relative to each other, also improving the flexibility of the entire cleaning device during movement. Meanwhile, the third pipe section 130 between the second pipe section 120 and the fourth pipe section 140 has a roughly rectangular cross-section. The third pipe section 130 and the fourth pipe section 140 are internally separated, and each of the four sides of the outer wall of the third pipe section 130 has a connecting port 132 for connecting to the spraying mechanism 200. The fifth pipe section 150 is similar in structure to the first pipe section 110. The main body has a roughly regular octagonal cross section. Four second protrusions 154 for installing the moving mechanism are provided on its outer side wall. The second protrusions 154 are also provided with second slides 156.

[0044] The spraying mechanism 200 is used to spray cleaning fluid, which not only cleans the inner wall of the discharge manifold but also provides kinetic energy for the cleaning device to move forward. In this embodiment, the main body of the spraying mechanism 200 is an annular pipe 220 sleeved on the outer wall of the third pipe section 130. The cross-sectional shape of the annular pipe 220 along the axial direction of the pipe body 100 is adapted to the third pipe section 130. Four water inlets 230 are provided on the inner wall of the annular pipe 220, and the four water inlets 230 are respectively adapted to the four connecting ports 132 on the third pipe section 130. After the water inlets 230 and the connecting ports 132 are connected, the cleaning fluid can be transferred. At the same time, four sets of nozzles 210 in different directions are provided on the outer wall of the annular pipe 220, each set containing multiple nozzles 210, so as to thoroughly flush and clean the inner wall of the discharge manifold. Furthermore, each nozzle 210 is inclined toward the water inlet end of the pipe body 100, so that the cleaning fluid is sprayed toward the water inlet end of the pipe body 100, thereby providing force for the cleaning device to move along the pipe.

[0045] The moving mechanism is used to convert sliding friction into rolling friction, thereby reducing the frictional resistance between the cleaning device and the inner wall of the discharge manifold. This allows the cleaning device to begin moving under the force provided by the spraying mechanism 200 along the pipe direction, and guides the movement path of the cleaning device. In this embodiment, the moving mechanism mainly consists of a first moving unit 310 provided on the first pipe section 110 and a second moving unit 320 provided on the fifth pipe section 150. The first moving unit 310 mainly includes four sets of first rollers 312 and first sliders 314, etc. The first slider 314 is roughly cuboid in shape and is slidably embedded in the first slide rail 116 on the first pipe section 110. One end of the first slider 314 extending into the first slide rail 116 is connected to the first pipe section 110 by a first spring 316. The other end of the first slider 314 extending out of the first slide rail 116 is rotatably provided with a first rotating shaft 318 via a bearing. The first rotating shaft 318 passes through the first slider 314, and each end of the first rotating shaft 318 is connected to a first roller 312. Furthermore, in this embodiment, a brush 315 facing the inner wall of the discharge manifold is provided on one side of the first slider 314 to cooperate with the spraying mechanism 200 to clean residual fracturing fluid and impurities adhering to the inner wall of the discharge manifold. Meanwhile, the second moving unit 320 has a similar structure to the first moving unit 310, mainly including four sets of second rollers 322 and second sliders 324. The second slider 324 is slidably embedded in the second slide rail 156 and connected to the fifth pipe section 150 by a second spring 326; a second rotating shaft 328 is rotatably provided via bearings, with a second roller 322 connected to each end of the second rotating shaft 328. Additionally, in this embodiment, the circumferential cross-section of the outer peripheral surfaces of the first roller 312 and the second roller 322 is arc-shaped, thereby adapting to the arc surface of the inner wall of the discharge manifold to facilitate the movement of the cleaning device within the discharge manifold.

[0046] One specific working method of this embodiment is as follows:

[0047] First, with the fracturing skid not in operation, connect the water hose 113 of the pipe body 100 to the output end of the high-pressure pump of the fracturing skid, and place the cleaning device at the inlet of the discharge manifold of the fracturing skid; then, start the high-pressure pump of the fracturing skid to inject cleaning fluid into the pipe body 100 of the cleaning device; next, the cleaning fluid enters the spraying mechanism 200 through the pipe body 100 and is sprayed outward through the nozzle 210 towards the water inlet side of the pipe body 100 to begin cleaning the inside of the discharge manifold; at the same time, the sprayed cleaning fluid provides the cleaning device with the force to move forward, and the cleaning device begins to move along the inside of the discharge manifold under the guidance of the rollers of the moving mechanism, thereby completing the comprehensive cleaning of the inside of the pipe.

[0048] In this embodiment, the cleaning device for the fracturing skid discharge manifold is provided with a pipe body 100 connected to the output end of the high-pressure pump body of the fracturing skid. The spraying mechanism 200 on the pipe body 100 sprays cleaning fluid onto the inner wall of the discharge manifold and toward the water inlet side. While cleaning the inner wall of the discharge manifold, it also provides a force for the cleaning mechanism to move forward. With the help of the rollers of the moving mechanism set on the outside of the pipe body 100, the cleaning mechanism can move along the pipe of the discharge manifold while cleaning. Thus, without removing the discharge manifold, it can quickly and effectively clean the inner wall of the discharge manifold. This solves the problems of incomplete cleaning of the fracturing skid discharge manifold in the prior art, which increases the workload and affects the structural stability and service life of the discharge manifold.

[0049] In addition, in this embodiment, a detection mechanism 400 is provided on the outward end of the fifth pipe section 150. Four laser detectors 410 are evenly arranged circumferentially on the detection mechanism 400. The laser detectors 410 are used to detect the wear inside the discharge manifold of the fracturing skid. Since the fracturing fluid carries a large amount of proppant and flows at high speed in the pipeline, the erosion effect reduces the pipeline wall thickness, which can cause pipeline leakage failure. The cyclic load generated during periodic high-pressure operations may cause fatigue failure of the pipeline. Therefore, detecting the internal wear while cleaning the discharge manifold can promptly identify and eliminate potential safety hazards, improving the safety and stability of the cleaning device for the fracturing skid discharge manifold in this embodiment. At the same time, a protective cover 420 is provided on the outward end of the detection mechanism 400. Four grooves 422 are provided on the protective cover 420 at positions corresponding to the four laser detectors 410. When the protective cover 420 is installed on the fifth pipe section 150, the laser detectors 410 will enter the grooves 422, thereby being protected. Furthermore, a roughly circular baffle 430 is fitted at the connection between the detection mechanism 400 and the fifth pipe section 150 to block the sprayed cleaning fluid and prevent it from affecting the operation of the detection mechanism 400 in front; and a snap-fit ​​hole 432 is provided on the baffle 430, and a snap-fit ​​block 424 is provided on the side of the protective cover 420 facing the baffle 430. The snap-fit ​​block 424 is adapted to the snap-fit ​​hole 432, thereby making it easier to install and fix the protective cover 420 and the baffle 430.

[0050] like Figure 8As shown in the diagram, this embodiment also includes a baffle 500 and a connecting pipe 600. The connecting pipe 600 consists of an internally threaded pipe 630, a storage cavity 620, and an externally threaded pipe 610, arranged sequentially from one end to the other. The internally threaded pipe 630 has a larger diameter, and its internal threads are used for threaded connection to the output end of the high-pressure pump body of the fracturing skid. A connecting hole 612 connects the internally threaded pipe 630 and the storage cavity 620, connecting to the input end of the hose 113 of the pipe body 100. The main body of the hose 113 is wound inside the storage cavity 620, and the other end of the hose 113 passes through the interior of the externally threaded pipe 610 and connects to the pipe body 100. The baffle 500 has a threaded hole 510 in the middle. The baffle 500 is connected to the external thread of the external threaded pipe 610 through the threaded hole 510. The side of the baffle 500 near the pipe body 100 is recessed inward. It can be adjusted by the thread to abut against the inlet of the discharge manifold to prevent the cleaning fluid sprayed by the cleaning mechanism from splashing outward from the inlet of the discharge manifold during the operation of the cleaning mechanism.

[0051] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A cleanout device for a frac sled discharge manifold, comprising: The utility model relates to a pipe body (100) is provided with a water hose (113) at one end, and the other end of the water hose (113) is communicated with the pump output end of the fracturing sled; a spraying mechanism (200) is arranged on the outer wall of the pipe body (100), and the spraying mechanism (200) is communicated with the inside of the pipe body (100); the spraying mechanism (200) has a nozzle (210); and a moving mechanism is arranged on the outer wall of the pipe body (100), and the moving mechanism has a plurality of rollers. The nozzle (210) is inclinedly arranged towards the water inlet end of the pipe body (100), and when the pump body of the fracturing sled inputs liquid into the pipe body (100), the nozzle (210) can spray liquid to push the fracturing sled to move along the inside of the discharge manifold of the fracturing sled under the guidance of the moving mechanism. The pipe body (100) has at least a first pipe section (110) and a fifth pipe section (150) at two ends; the moving mechanism comprises a first moving unit (310) and a second moving unit (320); the first moving unit (310) is arranged on the first pipe section (110), and the second moving unit (320) is arranged on the fifth pipe section (150). The first pipe section (110) is provided with a first protrusion (114), and the first protrusion (114) is provided with a first sliding groove (116) inside; the first moving unit (310) has a first sliding block (314) slidingly arranged in the first sliding groove (116), and a first spring (316) is connected between the first sliding block (314) and the first protrusion (114); the fifth pipe section (150) is provided with a second protrusion (154), and the second protrusion (154) is provided with a second sliding groove (156) inside; the second moving unit (320) has a second sliding block (324) slidingly arranged in the second sliding groove (156), and a second spring (326) is connected between the second sliding block (324) and the second protrusion (154). The pipe body (100) further has at least a third pipe section (130) in the middle part, the third pipe section (130) is provided with a plurality of communication openings (132), the spraying mechanism (200) has an annular pipe (220) communicated with the plurality of communication openings (132), and the annular pipe (220) is sleeved on the outer wall of the third pipe section (130).

2. The cleanout device for a fracturing sled discharge manifold of claim 1, wherein, A plurality of groups of nozzles (210) in different directions are arranged on the outer wall of the annular pipe (220).

3. The cleanout device for a frac sled discharge manifold of claim 2, wherein, A second pipe section (120) is arranged between the first pipe section (110) and the third pipe section (130), and the second pipe section (120) is an elastic bellows, so that the first pipe section (110) and the third pipe section (130) can be relatively offset.

4. The cleanout device for frac sled discharge manifolds of claim 2, wherein, ​ 5. The cleanout device for a fracturing sled discharge manifold of claim 4, wherein, ​ 6. The cleanout device for a fracturing sled discharge manifold of claim 4, wherein, ​ 7. The cleanout device for frac sled discharge manifolds of claim 4, wherein, The fourth pipe section (140) is arranged between the fifth pipe section (150) and the third pipe section (130), and is an elastic bellows, so that the fifth pipe section (150) and the third pipe section (130) can be relatively offset.

8. A cleaning device for frac sled discharge manifolds as claimed in any one of claims 1 to 7, characterised in that, The pipe body (100) is provided with a detection mechanism (400) at one end not connected with the water hose (113), four laser detectors (410) are uniformly arranged in the circumferential direction of the detection mechanism (400), a baffle (430) is arranged on the side of the detection mechanism (400) facing the inside of the pipe body (100), and a protective cover (420) is arranged on the side of the detection mechanism (400) facing the outside of the pipe body (100).

9. A cleaning device for frac sled discharge manifolds as claimed in any one of claims 1 to 7, characterised in that, The water hose (113) is provided with a butt joint pipe (600) at one end communicating with the pump body of the fracturing pry, one end of the butt joint pipe (600) is provided with an internally threaded pipe (630) communicating with the water hose (113), the internally threaded pipe (630) can be threadedly connected with the output end of the pump body of the fracturing pry, the other end of the butt joint pipe (600) is sleeved on the outside of the water hose (113), and a storage cavity (620) is arranged in the butt joint pipe (600), the storage cavity (620) is used for winding and storing the water hose (113).

10. The cleanout device for a frac sled discharge manifold of claim 9, wherein, The butt joint pipe (600) is provided with an externally threaded pipe (610) at one end sleeved on the outside of the water hose (113), and a baffle (500) is threadedly connected on the externally threaded pipe (610).

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