A multi-loop octagonal water distributor

Abstract

The present invention provides a multi - loop octagonal water distributor, which includes a first water distributor; a water inlet pipe perpendicular to the first water distributor and communicating with the central water pipe of the first water distributor; and a second water distributor above the first water distributor in the radial direction and communicating with the first water distributor through the water inlet pipe. Since the multi - loop octagonal water distributor provided by the present invention is divided into upper and lower layers, the water flow is directly led from the central pipe to the outer ring, and the water inlet pipes are in a same - path distribution, achieving a uniform flow velocity of the water outlet holes in each loop to a large extent without the need for precise calculation of the pipe diameter ratio of each loop.

Description

Technical Field

[0001] The present invention relates to the technical field of water distribution, and particularly to a multi-loop octagonal water distributor. Background Art

[0002] In large water storage and cooling devices, when using a multi-loop octagonal water distributor in the natural stratification technology, it is necessary to solve the problem of uneven outflow between the inner and outer loops. The consistency of the flow velocity of each outflow hole on the water distributor directly affects the cold and hot water stratification effect in the water storage tank. The flow rate of the conventional multi-loop octagonal water distributor gradually decreases from the innermost loop to the outermost loop. Although the number of holes in the inner loop is small, it is closer to the main pipeline, so the overall pipeline resistance is small, and thus more flow rate is distributed; although the number of holes in the outer loop is large, it is farther from the main pipeline, so overall, the flow rate of each hole is smaller. This is because the conventional water distributor draws water from the inside to the outside in sequence, and the pipeline of the outer loop is longer with more elbows, resulting in an increasing flow resistance from the inside to the outside, so the water output shows a decreasing trend from the inside to the outside, leading to a significantly higher flow rate and outflow velocity of the outflow holes on the inner loop than those on the outer loop. Moreover, the branch pipe design from the main pipe of the water distributor to the distribution pipes of each loop is often relatively complex, and the pipe network generally has two levels or more. The complex pipe network is likely to increase the flow resistance, making the problem of uneven flow velocity between the inner and outer loops more prominent.

[0003] In the prior art, it is difficult to achieve absolute consistency in the flow velocity of the water outlet holes in each loop. Especially for large-section water storage tanks, the prior art solutions for the uniform flow design of the inner and outer loops consider the pipe diameter ratio of each loop, precisely calculate the pipe diameter ratio of the inner and outer distribution pipes, and obtain that the inner loop has a smaller pipe diameter and the outer loop has a larger pipe diameter, trying to minimize the problem of uneven flow velocity of the distribution pipes in each loop. However, the design of the branch pipeline and its pipe diameter ratio is relatively complex, and it is also difficult to confirm the uniformity of the flow velocity of the water outlet holes in each loop after the installation of large natural stratification water storage and cooling devices. Summary of the Invention

[0004] In order to solve the above technical problems, the present invention provides a multi-loop octagonal water distributor.

[0005] The multi-loop octagonal water distributor includes a first water distributor; a water inlet pipe perpendicular to the first water distributor and communicating with the central water pipe of the first water distributor; and a second water distributor above the first water distributor in the radial direction and communicating with the first water distributor through the water inlet pipe.

[0006] Further, the first water distributor includes a horizontal main pipeline located on the central symmetry axis of the first water distributor, a distribution pipe tee perpendicularly communicating with the horizontal main pipeline; multiple loops of distribution pipes; and distribution connecting pipes symmetrically arranged with respect to the horizontal main pipeline and perpendicularly connecting the multiple loops of distribution pipes and communicating with the distribution pipe tee.

[0007] Furthermore, the horizontal main pipe, the distribution pipe tee, the distribution connecting pipe, and the water distribution pipe are all located on the same horizontal plane.

[0008] Furthermore, the second water distributor includes a plurality of equal-diameter pipes arranged symmetrically about the center of the same plane and pipe tees equal in number to the equal-diameter pipes and vertically connected to the outer ring of the equal-diameter pipes.

[0009] Furthermore, the equal-diameter pipes and the pipe tees are located on the same horizontal plane.

[0010] Furthermore, the water outlet holes of the first water distributor face downward, and the water outlet holes of the second water distributor face upward.

[0011] Furthermore, the water inlet pipe is connected to the water supply pipe.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. Since the multi-ring octagonal water distributor provided by the present invention has only a first-stage water distribution pipe, the pipe network structure is simple; when the vertical water supply pipe enters the first-stage water distribution pipe of the water distributor, water is supplied in four symmetrically left and right directions from the center, directly going to the water distribution pipes of each ring, and then water is supplied in four symmetrically left and right directions by the water inlet pipes, and is connected in a same-way to the outer-ring water distribution pipes, and then flows out through the orifices. It realizes that the uniform flow velocity of the water outlet holes of each ring can be achieved to a large extent without precise calculation of the pipe diameter ratio of each ring.

[0014] 2. The water inlet pipe part in the present invention can also be used alone on the existing structure of a conventional multi-ring octagonal water distributor to improve the performance. That is, water inlet pipes are newly added to the conventional water distributor, and a plurality of branch pipes are symmetrically led out from the horizontal main pipe and then respectively connected to the water distribution pipes of the inner and outer rings, thereby reforming the structural problem of uneven flow distribution between the inner and outer rings of the existing octagonal water distributor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present invention;

[0016] Figure 2 is a top view of the present invention, showing a schematic diagram of the distribution pipe in the present invention;

[0017] Figure 3 is a side view of the present invention, showing a schematic diagram of the orientation of the water outlet holes on the distribution pipe in the present invention;

[0018] Figure 4 is a simulation diagram of the beneficial effect of the present invention;

[0019] Figure 5 is a schematic structural diagram of reforming a conventional multi-ring octagonal water distributor by using the present invention;

[0020] Figure 6 It is a simulation diagram of the beneficial effects of using the present invention to transform a conventional multi - loop octagonal water distributor.

[0021] In the figure: 1, water supply pipe; 2, horizontal main pipe; 3, distribution pipe tee; 4, distribution connecting pipe; 5, water distribution pipe; 6, water diversion pipe; 7, same - path water diversion pipe; 8, water diversion pipe tee; 9, conventional water distribution pipe network; 10, same - path water drainage pipe. Specific embodiments

[0022] To make the technical solutions and technical effects of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention.

[0023] As Figure 1 shown, the present invention provides a multi - loop octagonal water distributor, which is designed for a first - level water distribution pipe network. The structure of this multi - loop octagonal water distributor is divided into two layers of water distributors that are parallel up and down, namely the first water distributor and the second water distributor. The second water distributor is located directly above the first water distributor in the radial direction. The first water distributor and the second water distributor are connected through a water diversion pipe 6 at the center position of the water distributor. The water diversion pipe 6 is connected to the water supply pipe 1 and is perpendicular to the first water distributor and the second water distributor. The water outlet holes of the first water distributor face downward, and the water outlet holes of the second water distributor face upward.

[0024] The first water distributor includes a horizontal main pipe 2, a distribution pipe tee 3, a distribution connecting pipe 4, and a water distribution pipe 5 located on the same horizontal plane. The horizontal main pipe 2 is located on the central symmetry axis of the first water distributor; the distribution pipe tee 3 is vertically connected to the horizontal main pipe 2; the distribution connecting pipe 4 is symmetrically arranged with respect to the horizontal main pipe 2 of the water distributor, and the distribution connecting pipe 4 is connected to the distribution pipe tee 3 and is perpendicular to the multi - loop water distribution pipe 5.

[0025] The second water distributor includes a same - path water diversion pipe 7 and a water diversion pipe tee 8 located on the same horizontal plane. The same - path water diversion pipe 7 is symmetrically arranged with respect to the center of the water distributor; the water diversion pipe tee 8 is vertically connected to the outer circle of the same - path water diversion pipe 7, and the number of water diversion pipe tees 8 is equal to the number of the same - path water diversion pipes 7.

[0026] During use, the water coming from outside the water storage device enters the first - level water distribution pipe of the water distributor through the water supply pipe 1. The water is supplied in four symmetric directions from the center to the left and right, and directly goes to each loop of the water distribution pipe, that is, the horizontal main pipe 2 leads the water to the multi - loop octagonal water distribution pipe 5 through the distribution pipe tee 3 and the distribution connecting pipe 4. In order to reduce the difference in orifice flow velocity between the inner and outer circles, a water diversion pipe 6 is led out at the connection between the horizontal main pipe 2 and the water supply pipe 1, and the water is directly diverted to the outer - circle water distribution pipe through four groups of same - path water diversion pipes 7 and water diversion pipe tees 8.

[0027] The main water distribution pipe network in the present invention is only a primary water distribution pipe network, which not only simplifies the pipe network structure but also effectively reduces the pipe flow resistance, and to a large extent realizes the uniform flow velocity of the water outlet holes in each circle.

[0028] As Figure 4 shown in the simulation diagram of the beneficial effects of the present invention, the data in the figure comes from the simulation results of the multi-circle octagonal water distributor of the present invention by Amesim. The parameters such as the pipe diameter and length set in the simulation are consistent with the actual ones. Circle1, Circle 2, Circle3 and Circle 4 are numbered from the outer circle to the inner circle. It can be seen that compared with the conventional multi-circle octagonal water distributor, the flow velocities of the orifices in the inner and outer circles of the multi-circle octagonal water distributor provided by the present invention are basically uniform.

[0029] As Figure 5 shown, the present invention can also optimize the structure of the conventional multi-circle octagonal water distributor by adding a water diversion pipe. In the figure, 9 is the original water distribution pipe network, and 10 is the same-way water diversion pipe provided by the present invention, that is, the water diversion pipe part in the present invention can be used alone to improve the performance of the conventional multi-circle octagonal water distributor. For example, the conventional multi-circle octagonal water distributor has a two-stage water distribution, and then 8 branch pipes are led out from the horizontal main pipe 2 and then connected to the water distribution pipes of the inner and outer circles respectively, thus completing the performance transformation.

[0030] As Figure 6 shown in the simulation diagram of the beneficial effects of using the present invention to transform the conventional multi-circle octagonal water distributor, the parameters such as the pipe diameter and length set in the simulation are consistent with the actual ones. Circle1, Circle 2, Circle 3 and Circle 4 are numbered from the outer circle to the inner circle. It can be seen that compared with the single two-stage water distribution mode, the uniformity of the flow velocities in the inner and outer circles of the optimized water distributor is significantly improved. However, compared with the one-stage water distribution plus water diversion pipe mode of the present invention, there is still a slight gap.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-loop octagonal water distributor, characterized in that, Comprising: A first water distributor; A water inlet pipe (6) perpendicular to the first water distributor and communicating with the central water pipe of the first water distributor; And A second water distributor above the first water distributor in the radial direction and communicating with the first water distributor through the water inlet pipe (6); the second water distributor includes a plurality of equal - path water inlet pipes (7) symmetrically arranged about the center of the same plane and water inlet pipe tees (8) equal in number to the equal - path water inlet pipes (7) and vertically communicating with the outer ring of the equal - path water inlet pipes (7), which distribute water to the outer - ring water distribution pipes.

2. The multi-loop octagonal water distributor according to claim 1, characterized in that The first water distributor includes a horizontal main pipe (2) located on the central symmetry axis of the first water distributor; a distribution pipe tee (3) vertically communicating with the horizontal main pipe (2); multiple circles of water distribution pipes (5); and distribution connecting pipes (4) connected to the distribution pipe tee (3) and symmetrically arranged about the horizontal main pipe (2) and perpendicular to the multiple circles of water distribution pipes (5).

3. The multi-turn octagonal water distributor according to claim 2, wherein The horizontal main pipe (2), the distribution pipe tee (3), the distribution connecting pipes (4) and the water distribution pipes (5) are all located in the same horizontal plane.

4. The multi-turn octagonal water distributor according to claim 1, wherein The equal - path water inlet pipes (7) and the water inlet pipe tees (8) are located in the same horizontal plane.

5. The multi-loop octagonal water distributor according to claim 1, characterized in that, The water inlet pipe (6) communicates with a water supply pipe (1).

6. The multi-loop octagonal water distributor according to claim 1, characterized in that The water outlet holes of the first water distributor face downward, and the water outlet holes of the second water distributor face upward.

Images