CN212615137U

CN212615137U - Water outlet base structure of water turbine

Info

Publication number: CN212615137U
Application number: CN201822047101.0U
Authority: CN
Inventors: 刘海波; 吴相敏; 樊磊
Original assignee: Xi'an Noble Electric Engineering Technology Co ltd
Current assignee: Xi'an Noble Electric Engineering Technology Co ltd
Priority date: 2018-12-07
Filing date: 2018-12-07
Publication date: 2021-02-26
Anticipated expiration: 2028-12-07

Abstract

The utility model discloses a hydraulic turbine goes out water base structure, including setting up in the base main part of hydraulic turbine bottom, the base main part is the axisymmetric structure, is equipped with the water guide component on the symmetry center of base main part for guide rivers direction prevents the rivers striking. The utility model provides a current hydraulic turbine go out the water turbulence appear when going out the water base, the turbulent flow to the striking of the hydraulic turbine and the vibration that produces influence the problem of hydraulic turbine efficiency.

Description

Water outlet base structure of water turbine

Technical Field

The utility model relates to a hydraulic turbine field, in particular to hydraulic turbine goes out water base structure.

Background

With the rapid development of the Chinese industry, the cooling tower has good development prospect. Under the promotion of the demand, the cooling tower manufacturing enterprises increase the scientific research intensity, continuously carry out product innovation and well meet the market demand. The cooling and cooling device is an ideal water-saving device for realizing device cooling or circulating water cooling in air-conditioning refrigeration of modern industrial and mining enterprises such as chemical industry, electric power, metallurgy, prevention and papermaking, various civil engineering and the like, and is mainly applied to the fields of air-conditioning cooling systems, refrigeration series, injection molding, leather making, foaming, power generation, steam turbines, industrial water cooling and the like.

A conventional water turbine, such as a cooling tower water turbine disclosed in CN 206280183U, includes: a housing, a main shaft impeller; the impeller is arranged at the bottom of the shell; one end of the main shaft is arranged in the machine shell, the impeller is sleeved at one end of the main shaft arranged in the machine shell, and the other end of the main shaft extends out of the machine shell; a plurality of water inlets are formed in the outer wall of the bottom of the machine shell, and a water outlet is formed in the bottom of the machine shell; water enters the machine shell through the plurality of water inlets to impact the impeller so as to drive the impeller to rotate. The technical problems of high energy consumption, single water inlet and unstable internal pressure of the water turbine in the prior art are solved. Whereas in conventional turbines the draft tube is an important through-flow component thereof. The draft tube can smoothly guide the water flow to the outlet of the water turbine and recover certain speed energy. Due to the limitation of structural space, the turbine for saving energy of the cooling tower cannot be provided with a draft tube used by a conventional turbine, and water flows out of the runner and then immediately enters the water distribution system, so that the water flow of the water is relatively disordered, and the efficiency of the turbine is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model discloses a main aim at provides a novel hydraulic turbine goes out water base structure to solve the current hydraulic turbine and go out water and appear the turbulent flow in the time of going out water base, the turbulent flow influences the problem of hydraulic turbine efficiency to the striking of the hydraulic turbine and the vibration that produces.

In order to achieve the above object, the utility model provides a hydraulic turbine goes out water base structure, including setting up in the base main part of hydraulic turbine bottom, the base main part is the axisymmetric structure, is equipped with the water guide component on the symmetry center of base main part for guide rivers direction prevents the rivers striking.

In one embodiment, the base body comprises a bottom plate arranged at the bottom end of the base body, a water outlet pipe arranged on the bottom plate by taking the center of the bottom plate as a symmetrical center, a cylinder arranged above the water outlet pipe and a flange arranged at the top end of the cylinder.

In one embodiment, at least two water outlet pipes are arranged.

In one embodiment, the flanges are provided with mounting holes at equal intervals for fixedly connecting the base body with the pipeline.

In one embodiment, the water guide member is of a conical structure, the central axis of the water guide member is arranged at the symmetrical center of the base main body, and the joint of the water pouring member and the bottom end of the base main body is arranged in an arc shape for better reducing the impact force of water flow.

In one embodiment, the water guiding member is provided as a hollow structure.

The utility model discloses beneficial effect as follows:

the utility model discloses an installation water conservancy diversion component makes the rivers of turbine can not the direct impact appear the turbulent flow on the bottom plate of hydraulic turbine play water base, has eliminated the resistance of turbulent flow to rivers at the back, and the outlet pipe that sets up the axial symmetry on a water base can make a water base atress balanced, has reduced the vibration of the hydraulic turbine, has increased the smooth and easy nature that the hydraulic turbine goes out water, has improved hydraulic efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a cross-sectional view of the present invention.

Fig. 2 is a schematic view of the connection relationship between the components of the present invention.

Fig. 3 is a top view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

The description in this application as relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Example 1

Referring to fig. 1, a water outlet base structure of a water turbine comprises a base main body 1 arranged at the bottom end of the water turbine, wherein the base main body 1 is of an axisymmetric structure, and a water guide component 2 is arranged on the symmetric center of the base main body 1 and used for guiding the water flow direction and preventing water flow impact. The vibration generated by the impact of the turbulent flow generated when the water turbine discharges water is reduced by arranging the water guide component 2, and the efficiency of the water turbine is improved.

Referring to fig. 2, the base body 1 includes a bottom plate 11 disposed at a bottom end of the base body 1, a water outlet pipe 12 disposed on the bottom plate 11 with a center of the bottom plate 11 as a symmetric center, a cylinder 14 disposed above the water outlet pipe 12, and a flange 13 disposed at a top end of the cylinder 14.

Preferably, at least two outlet pipes 12 are provided.

Referring to fig. 3, the outlet pipes 12 are provided in four. The four axisymmetric water outlets are reserved on the water outlet base, so that the stress of the water outlet base is balanced, the vibration of the water turbine is reduced, the water outlet smoothness of the water turbine is improved, and the water conservancy efficiency is improved.

Preferably, the flange 13 is provided with mounting holes 131 at equal intervals for fixedly connecting the base body 1 with the pipeline. The mounting holes 131 are arranged around the flange 13 at equal intervals.

Preferably, the water guide member 2 is of a conical structure, the central axis of the water guide member 2 is arranged at the symmetrical center of the base body 1, and the joint of the water pouring member and the bottom end of the base body 1 is arranged in an arc shape for better reducing the impact force of the water flow. A streamline water guide cone is fixed in the middle of a water outlet base of the water turbine, water flow of the water turbine cannot directly impact a bottom plate 11 of the water outlet base of the water turbine to generate turbulent flow, and resistance of the turbulent flow to the following water flow is eliminated.

Further, the water guide member 2 is of a hollow structure, so that weight reduction and cost saving are facilitated.

The mounting steps of the water outlet base structure of the water turbine are as follows:

s1, purchasing parts, wherein the parts comprise a flange 13, a water guide component 2, a cylinder 14, a bottom plate 11 and a water outlet pipe 12, and beveling is performed at the welding position of each component;

s2, a central line, a welding position line of the water guide component 2 and a welding position line of the cylinder 14 are made on the floor, the water guide component 2 is aligned with the welding position line of the water guide component, then welding is carried out, and polishing is carried out after welding until the welding position of the water guide component 2 is excessively natural;

s3, splicing and welding the flange 13, the cylinder 14 and the water outlet pipe 12 respectively, aligning the welded position lines on the bottom plate 11, then performing spot welding, checking whether the flange 13 is horizontal or not in the process, finely adjusting the flange to be horizontal if the flange is not horizontal, and then welding;

and S4, removing welding slag after welding is finished, and polishing the flow channel. The water outlet base is manufactured.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims

1. The utility model provides a hydraulic turbine goes out water base structure, is including setting up in the base main part of hydraulic turbine bottom, its characterized in that, the base main part is the axisymmetric structure, be equipped with the water guide component on the symmetric center of base main part for guide rivers direction prevents the rivers striking.

2. The water turbine outlet mount structure according to claim 1, wherein the mount body includes a bottom plate provided at a bottom end of the mount body, an outlet pipe provided on the bottom plate with a center of the bottom plate as a center of symmetry, a cylinder provided above the outlet pipe, and a flange provided at a top end of the cylinder.

3. The water turbine outlet mount structure according to claim 2, wherein at least two outlet pipes are provided.

4. The water turbine outlet mount structure according to claim 2, wherein the flanges are provided with mounting holes at equal intervals for fixedly connecting the mount body with a pipeline.

5. The water turbine outlet base structure of claim 1, wherein the water guide member is a conical structure, a central axis of the water guide member is arranged at a symmetrical center of the base body, and a joint of the water guide member and the bottom end of the base body is arc-shaped, so as to better reduce impact force of water flow.

6. The water turbine outlet mount structure according to claim 1, wherein the water guide member is provided as a hollow structure.