CN219474922U - Comprehensive experiment device for measuring fluid resistance - Google Patents

Abstract

The utility model provides a comprehensive experiment device for measuring fluid resistance, which comprises an annular pipeline, a first branch and a second branch; the annular pipeline comprises a diffusion filter, a heating device, a first pipe section, a water pump, a turbine sensing flowmeter, a first right-angle elbow, a first right-angle tee joint, a first ball valve, a second right-angle tee joint and an automatic exhaust valve; the second port of the right-angle tee is sequentially connected with a water-flowing tee, a right-angle elbow II, a Y-shaped filter, a right-angle tee III and a diffusion-type filter; the horizontal port of the first right-angle tee is connected with the fourth right-angle tee; the first branch is connected between the horizontal port of the fourth right-angle tee joint and the horizontal port of the third right-angle tee joint; the second branch is connected between the vertical port of the fourth right-angle tee joint and the inclined port of the downstream tee joint. The utility model adjusts the communication and closing of three loops, is convenient for measuring the resistance change between different types of resistance components, and improves the controllability and accuracy of experimental data detection in the same loop system.

Description

Comprehensive experiment device for measuring fluid resistance

Technical Field

The utility model relates to the technical field of experimental equipment, in particular to a comprehensive experimental device for measuring fluid resistance.

Background

The fluid resistance measurement experimental device is a laboratory detection device, can be used for measuring straight pipe resistance and local resistance, adopts galvanized steel pipes on pipe sections, improves the compression resistance of the pipe sections in the measurement process, and simultaneously is provided with a heating device to improve the accuracy of data in the measurement process.

The experimental calculation process usually directly takes the pressure difference of two pressure measuring points at two ends of the valve as the differential pressure of fluid passing through the valve, but in practice, the resistance loss value also comprises a straight pipe resistance loss part at a stable section, so that inaccuracy of experimental results is caused, and measurement in different systems also affects the experimental results.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a comprehensive experimental device for measuring the fluid resistance, which solves the problem of single measurement function in different systems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a comprehensive experiment device for measuring fluid resistance comprises an annular pipeline, a first branch and a second branch;

the annular pipeline comprises a diffusion type filter;

one end of the diffusion type filter is provided with a heating device which is arranged at one end of a pipe section I in a flat arrangement;

the upper side of the first pipe section is provided with a pressure stabilizing tank, and the pressure stabilizing tank is provided with a water supplementing port;

the other end of the first pipe section is sequentially connected with a water pump, a horizontal pipe section II, a turbine sensing flowmeter and a horizontal pipe section III;

the other end of the third pipe section is sequentially connected with a fourth vertical pipe section, a first right-angle tee joint, a fifth vertical pipe section, a first ball valve, a sixth vertical pipe section, a second right-angle tee joint and an automatic exhaust valve through a first right-angle elbow;

the other port of the right-angle tee joint is sequentially connected with a horizontal pipe section seven, a water-flowing tee joint and a horizontal pipe section eight;

the pipe section eight is sequentially connected with a vertical pipe Duan Jiu, a Y-shaped filter, a vertical pipe section ten, a right-angle tee joint three, a vertical pipe section eleven and a diffusion-type filter through a right-angle elbow II;

a horizontal pipe section twelve and a right-angle tee joint four are sequentially connected to the horizontal port of the right-angle tee joint one;

the first branch is connected between the horizontal port of the fourth right-angle tee joint and the horizontal port of the third right-angle tee joint;

the second branch is connected between the vertical port of the fourth right-angle tee joint and the inclined port of the downstream tee joint.

The first branch comprises a horizontal pipe section thirteen, a ball valve II, a pipe section fourteen, a first degree elbow, a diagonal pipe section fifteen, a second degree elbow and a horizontal pipe section sixteen in sequence from a fourth right-angle tee joint, and the other end of the pipe section sixteen is connected with a horizontal port of the third right-angle tee joint.

The second branch comprises a vertical pipe section seventeen, a vertical pipe section eighteen of a ball valve three, a right-angle elbow, a horizontal pipe section nineteen, a large-curvature elbow and a vertical pipe section twenty in sequence from the fourth branch, and an upper twenty port of the pipe section is connected to a downward inclined port of the water-free tee.

The device also comprises an angle steel bracket arranged at the bottom, and universal wheels are arranged below the angle steel bracket; the annular pipeline bottom is installed on the angle steel bracket.

The utility model forms three loops, is provided with 16 pressure sensor measuring points, controls the water flow of different loops through the ball valve switch, and measures different local resistance losses according to the readings of different pressure sensors.

Preferably, the both ends of big camber elbow all are provided with the clamp, and big camber elbow is provided with four types respectively and is 2D elbow, 3D elbow, 4D elbow and 5D elbow altogether, has adopted the ferrule to connect to different camber elbow parts to 5D elbow is standard, and other camber elbow has welded one section straight tube and has added the chuck and be unanimous with 5D size, and the design of clamp can conveniently change the big camber elbow of different curvatures.

The utility model provides a comprehensive experiment device for measuring fluid resistance, which has the following beneficial effects:

according to the utility model, three loops are formed by controlling the opening and closing of the first valve, the second valve and the third valve, fluid can respectively pass through different parts according to the needs, and then the pressure sensors arranged on the surfaces are used for measuring different resistance changes of the fluid after the fluid passes through different pipe sections.

Drawings

FIG. 1 is a diagram of the overall structure of the present utility model;

FIG. 2 is a partial block diagram of a first ball valve of the present utility model;

fig. 3 is a partial construction view of the diffusion filter 25 of the present utility model.

In the figure: 1. a first pipe section; 2. a surge tank; 3. a water supplementing port; 4. a water pump; 5. a second pipe section; 6. a turbine sensing flow meter; 7. a third pipe section; 8. a first right-angle elbow; 9. a pipe section IV; 10. a right-angle tee I; 11. a fifth pipe section; 12. a ball valve I; 13. a pipe section six; 14. a right-angle tee joint II; 15. an automatic exhaust valve; 16. a pipe section seven; 17. a water-flowing tee joint; 18. a pipe section eight; 19. a second elbow bend; 20. a pipe section III; 21. a Y-type filter; 22. a pipe section ten; 23. a right-angle tee joint III; 24. a pipe section eleven; 25. a diffusion filter; 26. a sleeve heating device; 27. twelve pipe sections; 28. a right-angle tee joint IV; 29. thirteen pipe sections; 30. a ball valve II; 31. fourteen pipe sections; 32. 45-degree elbow I; 33. fifteen pipe sections; 34. 45-degree elbow II; 35. sixteen pipe sections; 36. seventeen pipe sections; 37. a ball valve III; 38. eighteen pipe sections; 39. a third elbow bend; 40. nineteenth pipe section; 41. a large curvature elbow; 42. twenty pipe sections; 43. angle steel bracket; 44. and a universal wheel.

Detailed Description

As shown in fig. 1-3, the present utility model provides a technical solution:

a comprehensive experiment device for measuring fluid resistance comprises an annular pipeline, a first branch and a second branch;

the annular pipeline comprises a diffusion filter 25;

one end of the diffusion filter 25 is provided with a heating device 26, and the heating device 26 is arranged on one end of the first pipe section 1 which is horizontally arranged;

a surge tank 2 is arranged on the upper side of the first pipe section 1, and a water supplementing port 3 is arranged on the surge tank 2;

the other end of the first pipe section 1 is sequentially connected with a water pump 4, a horizontal pipe section II 5, a turbine sensing flowmeter 6 and a horizontal pipe section III 7;

the other end of the third pipe section 7 is sequentially connected with a fourth vertical pipe section 9, a first right-angle tee joint 10, a fifth vertical pipe section 11, a first ball valve 12, a sixth vertical pipe section 13, a second right-angle tee joint 14 and an automatic exhaust valve 15 through a first right-angle elbow 8;

the other port of the right-angle tee joint II 14 is sequentially connected with a horizontal pipe section seven 16, a water tee joint 17 and a horizontal pipe section eight 18;

the pipe section eight 18 is sequentially connected with a vertical pipe section nine 20, a Y-shaped filter 21, a vertical pipe section ten 22, a right-angle tee joint three 23, a vertical pipe section eleven 24 and a diffusion filter 25 through a right-angle elbow two 19;

a horizontal pipe section twelve 27 and a right-angle tee four 28 are sequentially connected to the horizontal port of the right-angle tee one 10;

the first branch is connected between the horizontal port of the fourth 28 of the right-angle tee and the horizontal port of the third 23 of the right-angle tee;

the second branch is connected between the vertical port of the fourth tee 28 and the diagonal port of the tee 17.

The first branch comprises, from a fourth rectangular tee 28, a horizontal pipe section thirteen 29, a ball valve II 30, a pipe section fourteen 31, a first 45-degree elbow 32, an obliquely upward pipe section fifteen 33, a second 45-degree elbow 34 and a horizontal pipe section sixteen 35 in sequence, wherein the other end of the pipe section sixteen 35 is connected with a horizontal port of the third rectangular tee 23.

The second branch comprises a vertical pipe seventeen 36, a vertical pipe eighteen 38 of a ball valve III 37, a right-angle elbow 39, a horizontal pipe nineteen 40, a large-curvature elbow 41 and a vertical pipe twenty 42 in sequence from the fourth right-angle tee 28, wherein the upper port of the pipe twenty 42 is connected to the downward inclined port of the downstream tee 17.

An angle steel bracket 43 is arranged below the experimental device, and six universal wheels 44 are arranged on the bracket to facilitate movement.

The experimental device sends water to three loops above through a water pump 4, wherein the first loop sequentially passes through a first pipe section 1, the water pump 4, a second pipe section 5, a flowmeter 6, a third pipe section 7, a first elbow square 8, a fourth pipe section 9, a first tee square 10, a fifth pipe section 11, a first ball valve 12, a sixth pipe section 13, a second tee square 14, an automatic exhaust valve 15, a seventh pipe section 16, a forward tee 17, an eighth pipe section 18, a second elbow square 19, a ninth pipe section 20, a Y-shaped filter 21, a tenth pipe section 22, a third tee square 23, an eleventh pipe section 24, a diffusion filter 25, a heating device 26 and then returns to the first pipe section 1;

the second loop flows from the position of the first tee 10 to the left and sequentially passes through a pipe section twelve 27, a fourth tee 28, a thirteenth 29, a second ball valve 30, a fourteen pipe section 31, a first 45-degree elbow 32, a fifteen pipe sections 33, a second 45-degree elbow 34, a sixteen pipe section 35, a third tee 23, a tenth pipe section 24, a diffusion filter 25 and a return pipe section 1;

the third loop goes from the fourth 28 position up through seventeen 36 segments, three 37 segments of ball valve, eighteen 38 segments, three 39 segments of elbow, nineteen 40 segments of elbow with large curvature 41, twenty 42 segments of elbow, 17 segments of tee 17, eight 18 segments of elbow, two 19 segments of elbow, nine 20 segments of elbow, 21 of Y-type, ten 22 segments, three 23 segments of tee, eleven 24 segments of elbow, 25 segments of diffusion filter, and then back to 1 segment.

The working flow of the utility model is as follows:

when the system is used, the water filling port 3 is filled with water, the water pump 4 is started, the ball valve I12 is opened, the other two valves are closed, the first loop is communicated, the flow is regulated by controlling the opening of the valves, the pressure sensors arranged on the surfaces are used for measuring the resistance change of fluid after passing through different pipe sections, the fluid can measure the along-way resistance loss after passing through the along-way resistance measuring pipe section 16 to obtain the along-way resistance loss coefficient, and the resistance comparison of the fluid flowing through the Y-shaped filter 21 and the diffusion filter 25 is measured;

opening a second ball valve 30, closing the other two valves, and communicating a second loop, wherein the loop mainly measures the local resistance loss of the first and second 45-degree elbows; the ball valve III 37 is opened, the other two valves are closed, the third loop is communicated, the flow speed is changed through the opening of the valve, the local resistance loss of the large-curvature elbow 41 is measured, the two sides of the large-curvature elbow are movably connected by adopting chuck hoops so as to be convenient for replacing elbows with different curvature radiuses, the local resistance loss contrast can be measured by four curvature elbows of 2D,3D,4D and 5D at present, and the resistance loss when passing through the homeotropic tee 17 is measured and compared with the resistance loss of the right-angle tee II 14.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A comprehensive experiment device for measuring fluid resistance is characterized in that: comprises an annular pipeline, a first branch and a second branch;

the annular pipeline comprises a diffusion filter (25);

one end of the diffusion filter (25) is provided with a heating device (26), and the heating device (26) is arranged on one end of the flat pipe section I (1);

a pressure stabilizing tank (2) is arranged on the upper side of the first pipe section (1), and a water supplementing port (3) is arranged on the pressure stabilizing tank (2);

the other end of the first pipe section (1) is sequentially connected with a water pump (4), a second horizontal pipe section (5), a turbine sensing flowmeter (6) and a third horizontal pipe section (7);

the other end of the third pipe section (7) is sequentially connected with a fourth vertical pipe section (9), a first right-angle tee (10), a fifth vertical pipe section (11), a first ball valve (12), a sixth vertical pipe section (13), a second right-angle tee (14) and an automatic exhaust valve (15) through a first right-angle elbow (8);

the other port of the right-angle tee joint II (14) is sequentially connected with a horizontal pipe section seven (16), a water tee joint (17) and a horizontal pipe section eight (18);

the pipe section eight (18) is sequentially connected with a vertical pipe section nine (20), a Y-shaped filter (21), a vertical pipe section ten (22), a right-angle tee joint three (23), a vertical pipe section eleven (24) and a diffusion filter (25) through a right-angle elbow two (19);

a horizontal pipe section twelve (27) and a right-angle tee four (28) are sequentially connected to the horizontal port of the right-angle tee one (10);

the first branch is connected between the horizontal port of the fourth right-angle tee (28) and the horizontal port of the third right-angle tee (23);

the second branch is connected between the vertical port of the fourth right-angle tee (28) and the inclined port of the downstream tee (17).

2. The fluidic resistance testing integrated experimental device of claim 1, wherein: the first branch comprises, from a fourth right-angle tee (28), a horizontal pipe section thirteen (29), a second ball valve (30), a fourteen pipe section (31), a first 45-degree elbow (32), a fifteen oblique pipe section (33), a second 45-degree elbow (34) and a sixteen horizontal pipe section (35), wherein the other end of the sixteen pipe section (35) is connected with a horizontal port of the third right-angle tee (23).

3. The fluidic resistance testing integrated experimental device of claim 1, wherein: the second branch comprises a vertical pipe section seventeen (36), a ball valve three (37), a vertical pipe section eighteen (38), a right-angle elbow (39), a horizontal pipe section nineteen (40), a large-curvature elbow (41) and a vertical pipe section twenty (42) in sequence from a right-angle tee joint four (28), and an upper port of the pipe section twenty (42) is connected to a downward inclined port of the downstream tee joint (17).

4. The fluidic resistance testing integrated experimental device of claim 1, wherein: the novel steel angle bracket further comprises an angle steel bracket (43) arranged at the bottom, and a universal wheel (44) is arranged below the angle steel bracket (43); the annular pipeline bottom is arranged on the angle steel bracket (43).