A water outlet buffering method for water flow experiment

Abstract

The present invention discloses a water flow experiment water outlet buffering method, comprising the following steps: 1. constructing a water inlet bin; 2. constructing a primary buffer bin; 3. constructing a final buffer bin; 4. constructing a partition wall; 5. setting a water inlet pipe and a water outlet pipe; 6. injecting an initial amount of water; and 7. continuously discharging water from a pool. The present invention intervenes in the water medium through the water inlet bin, the primary buffer bin, and the final buffer bin. The water inlet pipe faces the middle of the first partition wall to prevent water from flowing directly to the final buffer bin. The sum of the width of the partition wall and the width of the second partition wall is equal to the width between the starting side wall of the final buffer bin and the second side wall of the final buffer bin. The water flow path is intervened. When the water medium enters the final buffer bin through the channel between the second partition wall and the second side wall of the primary buffer bin, it will flow obliquely toward the rear wall of the final buffer bin and then rebound to the convex expansion side wall. After swirling through the convex expansion side wall, it will be stable in the final buffer bin, achieving a stable water level output from the pool, thereby improving the accuracy of the subsequent equipment in measuring the water medium.

Description

Technical Field

[0001] The invention belongs to the technical field of water discharge from a water flow experiment, and particularly relates to a water discharge buffering method for a water flow experiment. Background Art

[0002] The Institute of Metrology includes many types of precision measurement. Among them, the water flow experiment is to allow a stable and bubble-free water medium to flow into the test piece, and measure the water medium entering the test piece through a mass flow meter. The water pool is an indispensable part of the water flow laboratory. Most of the existing water pools are ordinary water pools. Water enters one side of the pool and flows out on the other side. When the water circulates, the outlet is disturbed by the water flow flowing in the direction of the water inlet, resulting in a large proportion of air in the water supply pipe outside the water outlet of the pool, which seriously affects the measurement of the water medium by the subsequent equipment. The existing means for the full flow of water medium into the test piece is to install an exhaust pressure regulating system on the pipeline that supplies water from the water pool to the test piece. The exhaust pressure regulating system often does not exhaust completely and the effect is poor. Therefore, there is a lack of a water flow experiment water outlet buffering method to achieve a stable output medium level of the water pool, thereby improving the measurement accuracy of the medium water by the subsequent equipment. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a water outlet buffering method for a water flow experiment in response to the deficiencies in the above-mentioned prior art, wherein continuous intervention of the water medium is achieved by continuously constructing a water inlet bin, a primary buffer bin and a final buffer bin, and the water inlet pipe is directly opposite to the middle of the first partition wall to prevent the water from flowing directly to the final buffer bin. The sum of the width of the partition wall and the width of the second partition wall is equal to the width between the starting side wall of the final buffer bin and the second side wall of the final buffer bin, thereby intervening in the water flow path. When the water medium enters the final buffer bin through the channel between the second partition wall and the second side wall of the primary buffer bin, it will flow obliquely toward the rear wall of the final buffer bin and then rebound to the convex expansion side wall, and then swirl steadily in the final buffer bin through the convex expansion side wall, thereby achieving a stable water level output from the water pool, thereby improving the measurement accuracy of the medium water by the subsequent equipment and facilitating popularization and use.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a water flow experiment water buffering method, characterized in that the method comprises the following steps:

[0005] Step 1: Construct the water inlet bin: The water inlet bin includes a front wall and a first side wall and a second side wall of the water inlet bin arranged parallel to both sides of the front wall;

[0006] Step 2: construct a primary buffer bin: the primary buffer bin includes a first side wall of the primary buffer bin and a second side wall of the primary buffer bin, wherein the first side wall of the primary buffer bin includes a primary buffer bin starting side wall, a primary buffer bin obliquely expanded side wall and a primary buffer bin terminating side wall connected in sequence, the primary buffer bin starting side wall is connected in series with the first side wall of the water inlet bin, the primary buffer bin terminating side wall is arranged in parallel with the primary buffer bin starting side wall, the primary buffer bin second side wall is connected in series with the second side wall of the water inlet bin, and the width between the primary buffer bin starting side wall and the primary buffer bin second side wall is smaller than the width between the primary buffer bin terminating side wall and the primary buffer bin second side wall;

[0007] Step 3, constructing the final buffer bin: the final buffer bin includes a first side wall, a rear wall and a second side wall of the final buffer bin connected in sequence, the first side wall of the final buffer bin includes a starting side wall of the final buffer bin and a terminating side wall of the final buffer bin connected to one end of the rear wall of the final buffer bin, the width between the terminating side wall of the final buffer bin and the second side wall of the final buffer bin is greater than the width between the starting side wall of the final buffer bin and the second side wall of the final buffer bin, the sum of the lengths of the terminating side wall of the final buffer bin and the starting side wall of the final buffer bin is less than the length of the second side wall of the final buffer bin, and the terminating side wall of the final buffer bin and the starting side wall of the final buffer bin are connected by a convex expansion side wall;

[0008] The second side wall of the final buffer warehouse and the second side wall of the initial buffer warehouse are connected in sequence, the starting side wall of the final buffer warehouse and the ending side wall of the initial buffer warehouse are connected in sequence, and the front wall, the first side wall of the water inlet warehouse, the first side wall of the initial buffer warehouse, the first side wall of the final buffer warehouse, the rear wall, the second side wall of the final buffer warehouse, the second side wall of the initial buffer warehouse and the second side wall of the water inlet warehouse are connected in sequence to form a closed water pool;

[0009] Step 4: Construct partition walls: The water inlet bin and the primary buffer bin are separated by a first partition wall, and the primary buffer bin and the final buffer bin are separated by a second partition wall. One end of the first partition wall is connected to the connection between the second side wall of the water inlet bin and the second side wall of the primary buffer bin, and one end of the second partition wall is connected to the connection between the starting side wall of the final buffer bin and the ending side wall of the primary buffer bin;

[0010] The width of the first partition wall is equal to half the width of the front wall of the water inlet bin, and the sum of the width of the first partition wall and the width of the second partition wall is equal to the width between the starting side wall of the final buffer bin and the second side wall of the final buffer bin;

[0011] Step 5: Install the water inlet and outlet pipes: Install the water inlet pipe on the front wall and the water outlet pipe on the rear wall;

[0012] The water inlet pipe faces the middle of the first partition wall, and the water outlet pipe is located in the middle of the rear wall of the final buffer bin;

[0013] Step 6: Injecting an initial amount of water: injecting an initial amount of water into the pool, wherein the height of the initial amount of water is higher than the height of the outlet pipe;

[0014] Step seven, continuous water discharge from the pool: water is supplied to the pool through the water inlet pipe, and the water flows into the water inlet bin in the direction facing the first partition wall, is blocked by the first partition wall, and flows obliquely into the primary buffer bin along the channel between the first partition wall and the first side wall of the water inlet bin, and then flows through the oblique expansion side wall of the primary buffer bin, the primary buffer bin terminal side wall and the first buffer intervention of the second partition wall from the channel between the second partition wall and the second side wall of the primary buffer bin to the final buffer bin. The second side wall of the final buffer bin diverts the water flow direction obliquely to the rear wall, and the rear wall rebounds to the convex expansion side wall, and rotates steadily in the final buffer bin through the convex expansion side wall to ensure that the water discharge from the outlet pipe is smooth. During the continuous water discharge from the pool, the water inlet speed of the water inlet pipe is dynamically controlled to ensure that the water level in the pool is always higher than the height of the outlet pipe.

[0015] The above-mentioned water flow experiment water outlet buffering method is characterized in that: the convex expansion side wall includes the rear horizontal side wall of the final buffer bin, the oblique expansion side wall of the final buffer bin, the convex horizontal side wall of the final buffer bin, the convex oblique side wall of the final buffer bin, the convex oblique side wall of the final buffer bin and the convex expansion structure of the convex expansion side wall, the convex horizontal side wall of the final buffer bin and the convex oblique side wall of the final buffer bin constitute the convex expansion structure of the convex expansion side wall, the convex horizontal side wall of the final buffer bin is the convex bottom of the convex expansion structure, the distance between the convex horizontal side wall of the final buffer bin and the rear wall of the final buffer bin is greater than the distance between the front horizontal side wall of the final buffer bin and the rear wall of the final buffer bin, the angle between the oblique expansion side wall of the final buffer bin and the convex horizontal side wall of the final buffer bin is consistent and symmetrical with the angle between the convex oblique side wall of the final buffer bin and the convex horizontal side wall of the final buffer bin, and the length of the oblique expansion side wall of the final buffer bin is greater than the length of the convex oblique side wall of the final buffer bin.

[0016] The above-mentioned water flow experiment water outlet buffering method is characterized in that: in step seven, the water flows through the rear wall and rebounds to the oblique expansion side wall of the final buffer bin, and then is guided by the convex horizontal side wall of the final buffer bin and the convex oblique side wall of the final buffer bin, and swirls along the extension line direction of the convex oblique side wall of the final buffer bin to the final buffer bin.

[0017] The above-mentioned water flow experiment water outlet buffering method is characterized in that: the angle between the starting side wall of the initial buffer storehouse and the oblique expansion side wall of the initial buffer storehouse and the angle between the ending side wall of the initial buffer storehouse and the oblique expansion side wall of the initial buffer storehouse are both 135°.

[0018] The beneficial effect of the present invention is that continuous intervention of the water medium is achieved by continuously constructing the water inlet bin, the primary buffer bin and the final buffer bin. The water inlet pipe is directly opposite to the middle of the first partition wall to prevent the water flow from flowing directly to the final buffer bin. The sum of the width of the partition wall and the width of the second partition wall is equal to the width between the starting side wall of the final buffer bin and the second side wall of the final buffer bin, thereby intervening in the water flow path. When the water medium enters the final buffer bin through the channel between the second partition wall and the second side wall of the primary buffer bin, it will flow obliquely toward the rear wall of the final buffer bin and then rebound to the convex expansion side wall. After the convex expansion side wall, it will swirl steadily in the final buffer bin, thereby achieving a stable water level of the medium output from the water pool, thereby improving the measurement accuracy of the medium water by the subsequent equipment and facilitating popularization and use.

[0019] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the water pool of the present invention.

[0021] Figure 2 It is a flowchart of the method of the present invention.

[0022] Description of the accompanying drawings:

[0023] 1—water inlet silo; 2—primary buffer silo; 3—final buffer silo;

[0024] 4—water inlet pipe; 5—first partition wall; 6—second partition wall;

[0025] 7—Starting side wall of the initial buffer; 8—Slanting side wall of the initial buffer; 9—Ending side wall of the initial buffer;

[0026] 10—Last-position starting side wall; 11—Last-position ending side wall; 12—Last-position rear horizontal side wall;

[0027] 13—slanted side wall of final delay warehouse; 14—convex horizontal side wall of final delay warehouse; 15—convex inclined side wall of final delay warehouse;

[0028] 16—front horizontal side wall of the final buffer bin; 17—outlet pipe; 18—first side wall of the inlet bin;

[0029] 19—the second side wall of the water inlet bin; 20—the second side wall of the initial buffer bin; 21—the second side wall of the final buffer bin. DETAILED DESCRIPTION

[0030] like Figure 1 and Figure 2 As shown, a water flow experiment water outlet buffering method of the present invention comprises the following steps:

[0031] Step 1: Construct the water inlet bin: The water inlet bin 1 includes a front wall and a first side wall 18 and a second side wall 19 of the water inlet bin arranged parallel to both sides of the front wall;

[0032] Step 2: Construct a primary buffer bin: the primary buffer bin 2 includes a primary buffer bin first side wall and a primary buffer bin second side wall 20, wherein the primary buffer bin first side wall includes a primary buffer bin starting side wall 7, a primary buffer bin obliquely expanded side wall 8 and a primary buffer bin terminating side wall 9 connected in sequence, the primary buffer bin starting side wall 7 is connected in series with the first side wall 18 of the water inlet bin, the primary buffer bin terminating side wall 9 is arranged in parallel with the primary buffer bin starting side wall 7 in an eccentric manner, the primary buffer bin second side wall 20 is connected in series with the second side wall 19 of the water inlet bin, and the width between the primary buffer bin starting side wall 7 and the primary buffer bin second side wall 20 is smaller than the width between the primary buffer bin terminating side wall 9 and the primary buffer bin second side wall 20;

[0033] Step 3, constructing the final buffer bin: the final buffer bin 3 includes a first side wall, a rear wall and a second side wall 21 of the final buffer bin connected in sequence, the first side wall of the final buffer bin includes a starting side wall 10 of the final buffer bin and a final buffer bin terminating side wall 11 connected to one end of the rear wall of the final buffer bin 3, the width between the terminating side wall 11 of the final buffer bin and the second side wall 21 of the final buffer bin is greater than the width between the starting side wall 10 of the final buffer bin and the second side wall 21 of the final buffer bin, the sum of the lengths of the terminating side wall 11 of the final buffer bin and the starting side wall 10 of the final buffer bin is less than the length of the second side wall 21 of the final buffer bin, and the terminating side wall 11 of the final buffer bin and the starting side wall 10 of the final buffer bin are connected by a convex expansion side wall;

[0034] The second side wall 21 of the final buffer warehouse is connected to the second side wall 20 of the initial buffer warehouse in a continuous manner, the starting side wall 10 of the final buffer warehouse is connected to the ending side wall 9 of the initial buffer warehouse in a continuous manner, and the front wall, the first side wall 18 of the water inlet warehouse, the first side wall of the initial buffer warehouse, the first side wall of the final buffer warehouse, the rear wall, the second side wall of the final buffer warehouse, the second side wall 20 of the initial buffer warehouse and the second side wall 19 of the water inlet warehouse are connected in sequence to form a closed water pool;

[0035] Step 4: Construct partition walls: The water inlet bin 1 and the primary buffer bin 2 are separated by a first partition wall 5, and the primary buffer bin 2 and the final buffer bin 3 are separated by a second partition wall 6. One end of the first partition wall 5 is connected to the connection between the second side wall 19 of the water inlet bin and the second side wall 20 of the primary buffer bin, and one end of the second partition wall 6 is connected to the connection between the starting side wall 10 of the final buffer bin and the ending side wall 9 of the primary buffer bin;

[0036] The width of the first partition wall 5 is equal to half the width of the front wall of the water inlet bin 1, and the sum of the width of the first partition wall 5 and the width of the second partition wall 6 is equal to the width between the starting side wall 10 of the final buffer bin and the second side wall 21 of the final buffer bin;

[0037] Step 5: Install the water inlet and outlet pipes: Install the water inlet pipe 4 on the front wall and the water outlet pipe 17 on the rear wall;

[0038] The water inlet pipe 4 is directly opposite to the middle of the first partition wall 5, and the water outlet pipe 17 is located in the middle of the rear wall of the final buffer bin 3;

[0039] Step 6: Injecting an initial amount of water: injecting an initial amount of water into the pool, wherein the height of the initial amount of water is higher than the height of the outlet pipe 17;

[0040] Step seven, continuous water discharge from the pool: water is supplied to the pool through the water inlet pipe 4, and the water flows into the water inlet bin 1 in the direction facing the first partition wall 5, is blocked by the first partition wall 5, and flows obliquely into the primary buffer bin 2 along the channel between the first partition wall 5 and the first side wall 18 of the water inlet bin, and then flows through the oblique expansion side wall 8 of the primary buffer bin, the primary buffer bin terminal side wall 9 and the second partition wall 6 for the first buffer intervention, and flows from the channel between the second partition wall 6 and the second side wall 20 of the primary buffer bin to the final buffer bin 3. The second side wall 21 of the final buffer bin obliquely bends the water flow direction toward the rear wall, and the rear wall rebounds to the convex expansion side wall, and rotates steadily in the final buffer bin through the convex expansion side wall, ensuring that the water discharge from the outlet pipe 17 is smooth. During the continuous water discharge from the pool, the water inlet speed of the water inlet pipe 4 is dynamically controlled to ensure that the water level in the pool is always higher than the height of the outlet pipe 17.

[0041] In this embodiment, the convex expansion side wall includes a terminal buffer warehouse rear transverse side wall 12, a terminal buffer warehouse oblique expansion side wall 13, a terminal buffer warehouse convex transverse side wall 14, a terminal buffer warehouse convex oblique side wall 15 and a terminal buffer warehouse front transverse side wall 16 connected in sequence. The terminal buffer warehouse oblique expansion side wall 13, the terminal buffer warehouse convex transverse side wall 14 and the terminal buffer warehouse convex oblique side wall 15 constitute a convex expansion structure of the convex expansion side wall. The terminal buffer warehouse convex transverse side wall 14 is the convex bottom of the convex expansion structure. The distance between the terminal buffer warehouse convex transverse side wall 14 and the rear wall of the terminal buffer warehouse 3 is greater than the distance between the terminal buffer warehouse front transverse side wall 16 and the rear wall of the terminal buffer warehouse 3. The angle between the terminal buffer warehouse oblique expansion side wall 13 and the terminal buffer warehouse convex transverse side wall 14 is consistent and symmetrical with the angle between the terminal buffer warehouse convex oblique side wall 15 and the terminal buffer warehouse convex transverse side wall 14. The length of the terminal buffer warehouse oblique expansion side wall 13 is greater than the length of the terminal buffer warehouse convex oblique side wall 15.

[0042] In this embodiment, in step seven, the water flows through the rear wall and rebounds to the final buffer chamber oblique expansion side wall 13, and then is guided by the final buffer chamber convex horizontal side wall 14 and the final buffer chamber convex oblique side wall 15, and swirls back along the extension line direction of the final buffer chamber convex oblique side wall 15 to the final buffer chamber.

[0043] In this embodiment, the included angle between the initial buffer starting side wall 7 and the initial buffer obliquely expanding side wall 8 and the included angle between the initial buffer ending side wall 9 and the initial buffer obliquely expanding side wall 8 are both 135°.

[0044] In actual implementation, the depth lengths of the initial buffer warehouse starting side wall 7, the initial buffer warehouse oblique expansion side wall 8 and the initial buffer warehouse terminal side wall 9 are close, and the water capacity of the initial buffer warehouse oblique expansion side wall 8, the initial buffer warehouse terminal side wall 9 and the second partition wall 6 are expanded.

[0045] When the present invention is used, continuous intervention of the water medium is achieved by continuously constructing the water inlet bin, the primary buffer bin and the final buffer bin. The water inlet pipe is directly opposite to the middle of the first partition wall to prevent the water from flowing directly to the final buffer bin. The sum of the width of the partition wall and the width of the second partition wall is equal to the width between the starting side wall of the final buffer bin and the second side wall of the final buffer bin, thereby intervening in the water flow path. When the water medium enters the final buffer bin through the channel between the second partition wall and the second side wall of the primary buffer bin, it will flow obliquely toward the rear wall of the final buffer bin and then rebound to the convex expansion side wall. It will swirl steadily in the final buffer bin through the convex expansion side wall, thereby achieving stable medium water output from the water pool, thereby improving the measurement accuracy of the medium water by the subsequent equipment.

[0046] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any way. Any simple modification, change and equivalent structural change made to the above embodiment based on the technical essence of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A water flow experiment water outlet buffering method, characterized in that: The method comprises the following steps: Step 1: constructing a water inlet bin: the water inlet bin (1) comprises a front wall and a first side wall (18) and a second side wall (19) of the water inlet bin arranged parallel to both sides of the front wall; Step 2, constructing a primary buffer bin: the primary buffer bin (2) includes a primary buffer bin first side wall and a primary buffer bin second side wall (20), the primary buffer bin first side wall includes a primary buffer bin starting side wall (7), a primary buffer bin oblique expansion side wall (8) and a primary buffer bin ending side wall (9) connected in sequence, the primary buffer bin starting side wall (7) is connected in series with the first side wall (18) of the water inlet bin, the primary buffer bin ending side wall (9) and the primary buffer bin starting side wall (7) are arranged in parallel and at different positions, the primary buffer bin second side wall (20) is connected in series with the second side wall (19) of the water inlet bin, and the width between the primary buffer bin starting side wall (7) and the primary buffer bin second side wall (20) is smaller than the width between the primary buffer bin ending side wall (9) and the primary buffer bin second side wall (20); Step 3, constructing a final buffer warehouse: the final buffer warehouse (3) includes a first side wall of the final buffer warehouse, a rear wall and a second side wall of the final buffer warehouse (21) connected in sequence, the first side wall of the final buffer warehouse includes a starting side wall of the final buffer warehouse (10) and a terminating side wall of the final buffer warehouse (11) connected to one end of the rear wall of the final buffer warehouse (3), the width between the terminating side wall of the final buffer warehouse (11) and the second side wall of the final buffer warehouse (21) is greater than the width between the starting side wall of the final buffer warehouse (10) and the second side wall of the final buffer warehouse (21), the sum of the lengths of the terminating side wall of the final buffer warehouse (11) and the starting side wall of the final buffer warehouse (10) is less than the length of the second side wall of the final buffer warehouse (21), and the terminating side wall of the final buffer warehouse (11) and the starting side wall of the final buffer warehouse (10) are connected via a convex expansion side wall; The second side wall (21) of the final buffering bin and the second side wall (20) of the initial buffering bin are connected in sequence, the starting side wall (10) of the final buffering bin and the ending side wall (9) of the initial buffering bin are connected in sequence, and the front wall, the first side wall (18) of the water inlet bin, the first side wall of the initial buffering bin, the first side wall of the final buffering bin, the rear wall, the second side wall of the final buffering bin, the second side wall (20) of the initial buffering bin and the second side wall (19) of the water inlet bin are sequentially connected to form a closed water pool; Step 4: Constructing a partition wall: the water inlet bin (1) and the primary buffer bin (2) are separated by a first partition wall (5), and the primary buffer bin (2) and the final buffer bin (3) are separated by a second partition wall (6); one end of the first partition wall (5) is connected to the connection between the second side wall (19) of the water inlet bin and the second side wall (20) of the primary buffer bin, and one end of the second partition wall (6) is connected to the connection between the starting side wall (10) of the final buffer bin and the ending side wall (9) of the primary buffer bin; The width of the first partition wall (5) is equal to half the width of the front wall of the water inlet bin (1), and the sum of the width of the first partition wall (5) and the width of the second partition wall (6) is equal to the width between the starting side wall (10) of the final buffer bin and the second side wall (21) of the final buffer bin; Step 5: Install the water inlet pipe and the water outlet pipe: Install the water inlet pipe (4) on the front wall and the water outlet pipe (17) on the rear wall; The water inlet pipe (4) faces the middle of the first partition wall (5), and the water outlet pipe (17) is located in the middle of the rear wall of the final buffer bin (3); Step 6: injecting an initial amount of water: injecting an initial amount of water into the pool, wherein the height of the initial amount of water is higher than the height of the outlet pipe (17); Step 7, continuous water discharge from the pool: water is supplied to the pool through the water inlet pipe (4), and the water flows into the water inlet bin (1) in the direction facing the first partition wall (5), and is blocked by the first partition wall (5). It flows obliquely along the channel between the first partition wall (5) and the first side wall (18) of the water inlet bin into the primary buffer bin (2), and then flows through the oblique expansion side wall (8) of the primary buffer bin, the terminal side wall (9) of the primary buffer bin and the second partition wall (6) for the first buffer intervention, and flows from the channel between the second partition wall (6) and the second side wall (20) of the primary buffer bin to the final buffer bin (3). The second side wall (21) of the final buffer bin obliquely bends the water flow direction toward the rear wall, and the rear wall rebounds to the convex expansion side wall, and then rotates steadily in the final buffer bin through the convex expansion side wall, ensuring that the water discharge from the water outlet pipe (17) is stable. During the continuous water discharge process of the pool, the water inlet speed of the water inlet pipe (4) is dynamically controlled to ensure that the water level in the pool is always higher than the height of the water outlet pipe (17).

2. A water flow test water outlet buffering method according to claim 1, characterized in that: The convex expansion side wall comprises a terminal buffer rear transverse side wall (12), a terminal buffer oblique expansion side wall (13), a terminal buffer convex transverse side wall (14), a terminal buffer convex oblique side wall (15) and a terminal buffer front transverse side wall (16) which are sequentially connected. The terminal buffer oblique expansion side wall (13), the terminal buffer convex transverse side wall (14) and the terminal buffer convex oblique side wall (15) constitute a convex expansion structure of the convex expansion side wall. The terminal buffer convex transverse side wall (14) is a convex bottom of the convex expansion structure. The distance between the convex transverse side wall (14) and the rear wall of the final buffer bin (3) is greater than the distance between the front transverse side wall (16) of the final buffer bin and the rear wall of the final buffer bin (3); the angle between the final buffer bin oblique expansion side wall (13) and the final buffer bin convex transverse side wall (14) is consistent with and symmetrical to the angle between the final buffer bin convex oblique side wall (15) and the final buffer bin convex transverse side wall (14); the length of the final buffer bin oblique expansion side wall (13) is greater than the length of the final buffer bin convex oblique side wall (15).

3. A water flow test water outlet buffering method according to claim 2, characterized in that: In step seven, the water flows through the rear wall and rebounds to the final buffer chamber oblique expansion side wall (13), and then is guided by the final buffer chamber convex horizontal side wall (14) and the final buffer chamber convex oblique side wall (15), and swirls back to the final buffer chamber along the extension line direction of the final buffer chamber convex oblique side wall (15).

4. A water flow test water outlet buffering method according to claim 1, characterized in that: The included angle between the initial buffer starting side wall (7) and the initial buffer obliquely expanding side wall (8) and the included angle between the initial buffer ending side wall (9) and the initial buffer obliquely expanding side wall (8) are both 135°.

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