Reaction turbine and operation system equipped with thereof

Abstract

The present invention relates to a saw lead impact turbine and a continuous operation system equipped therewith. More specifically, the invention relates to a saw lead impact turbine and a continuous operation system equipped therewith, which can be utilized as an educational teaching aid, such as a hydroelectric turbine using a saw lead impact turbine, by providing lead blades at the suction port at the bottom of the impeller to guide the suction direction of the water flow in the direction of rotation of the impeller, thereby increasing the speed and pressure of the water flow that rotates the impeller. To achieve the above objective, the saw lead impact turbine according to the present invention is characterized by comprising: a housing having a water inlet path connected along the circumferential direction; an impeller connected to a generator and axially mounted inside the housing, which rotates by the speed and pressure of the water flow and is equipped with radially arranged reaction blades; and a suction pipe coupled to the bottom of the housing to form a suction port connected to a discharge path, and equipped with lead blades that guide the suction direction of the water flow in the direction of rotation of the impeller.

Description

Technology Field

[0001] The present invention relates to a saw lead impact turbine and a continuous operation system equipped with the same. More specifically, the invention relates to a saw lead impact turbine and a continuous operation system equipped with the same, which can be utilized as an educational teaching aid, such as a hydroelectric turbine using a saw lead impact turbine, by providing lead blades at the suction port at the bottom of the impeller to guide the suction direction of the water flow to the rotational direction of the impeller, thereby increasing the speed and pressure of the water flow that rotates the impeller. Background Technology

[0002] As a hydroelectric turbine, water turbines are classified into impulse turbines and reaction turbines; an impulse turbine converts the potential energy of water into kinetic energy, while a reaction turbine converts the potential energy of water into kinetic and pressure energy.

[0003] Dual reaction turbines include saw-lead impact turbines, propeller turbines, and mixed-flow turbines. Among these, the saw-lead impact turbine is widely used for power generation because it is relatively efficient, as the entire turbine is compact and can minimize the loss of discharge velocity energy.

[0004] A saw lead impact turbine has an impeller installed inside a housing having a spiral inlet and a suction tube connected to the bottom of the housing. As water flow enters the housing through the guide blades of the inlet, it gives a reaction force to the impeller, causing it to rotate. A generator is connected to the impeller to rotate coaxially, thereby generating electricity.

[0005] For such saw lead impact turbines, power generation efficiency is increased only when the water flow strikes the impeller's reaction blades at high pressure and high speed.

[0006] However, conventional saw lead impact turbines have been unable to completely convert the velocity and pressure energy of the water flow into the rotational energy of the impeller because the suction tube at the bottom of the housing is open in the form of a simple tube, causing the water flow to drain before it can provide sufficient recoil to the impeller.

[0007] To address this, the drainage speed of the water flow has been controlled by adjusting the diameter of the suction tube; however, in this case, the water flow, which has sufficient recoil for the impeller, is not immediately drained into the suction tube but instead becomes momentarily stagnant inside the housing due to centrifugal force, etc. Consequently, the velocity and pressure of the newly incoming water flow decrease, and the velocity and pressure energy of the water flow cannot be completely converted into the rotational energy of the impeller, resulting in a problem where there is a limit to the improvement of power generation efficiency.

[0008] For reference, prior art related to this includes Japanese Patent Publication No. JP 2013-142356 and Registered Patent No. 10-2116594. The problem to be solved

[0009] Accordingly, the present invention has been devised to solve the problems described above.

[0010] The purpose is to provide a saw lead impact turbine and a continuous operation system equipped with the same, which can improve power generation efficiency by increasing the speed and pressure of the water flow rotating the impeller, by providing lead blades at the suction port at the bottom of the impeller that guide the suction direction of the water flow in the direction of rotation of the impeller. means of solving the problem

[0011] To achieve the above objectives, the saw lead impact aberration according to the present invention

[0012] Housing with a drip inflow channel connected along the perimeter;

[0013] An impeller connected to a generator and mounted inside the housing, equipped with radially arranged reaction blades, and rotating by the speed and pressure of the water flow;

[0014] It is characterized by including a suction tube that is coupled to the lower part of the housing to form a suction port connected to a water outlet, and is equipped with lead blades that guide the suction direction of the water flow in the rotation direction of the impeller.

[0015] And in the saw lead impact aberration according to the present invention,

[0016] The above impeller is composed of a central shaft body, an upper plate coupled to the upper end of the shaft body, and reaction blades coupled interposed between the shaft body and the upper plate, with a water-falling section formed below the reaction blades.

[0017] The above suction tube is characterized by comprising an inner body coupled to correspond with the shaft body, an outer body provided on the outer side of the inner body and forming a suction port connected to correspond with the dripping part, and lead blades interposed and coupled between the inner body and the outer body, wherein the lead blades are arranged along the circumferential direction directly below the dripping part.

[0018] Also, in the saw lead impact aberration according to the present invention,

[0019] The above reaction wings and lead wings are joined so as to be inclined downward at a predetermined angle with respect to the axial direction in the direction of the water flow,

[0020] It is characterized in that the inclination of the lead wings is formed to be lower than the inclination of the reaction wings.

[0021] In addition, in a continuous operation system equipped with a saw lead impact aberration according to the present invention,

[0022] A chamber having reservoirs formed of a multi-layered structure and a drip hole connected to the top of each layer of reservoirs through which upper water falls.

[0023] A water supply pipe that draws water from the lowest reservoir up to the highest reservoir to supply it,

[0024] Includes a saw lead impact water wheel equipped at the drip hole of each floor,

[0025] The above-mentioned saw lead impact aberration

[0026] Housing with a drip inflow channel connected along the perimeter;

[0027] An impeller connected to a generator and mounted inside the housing, equipped with radially arranged reaction blades, and rotating by the speed and pressure of the water flow;

[0028] It is characterized by including a suction tube that is coupled to the lower part of the housing to form a suction port connected to a water outlet, and is equipped with lead blades that guide the suction direction of the water flow in the rotation direction of the impeller. Effects of the invention

[0029] The saw lead impact water aberration and the continuous operation system equipped with the same according to the present invention are

[0030] When the water flow entering the impeller creates a reaction on the reaction blades to rotate the impeller and is then sucked into the lower suction pipe, the lead blades guide the sucked water flow in the direction of the impeller's rotation so that the water flow is sucked immediately after creating a reaction due to the influence of centrifugal force, thereby improving the speed and pressure of the water flow rotating the impeller and increasing power generation efficiency.

[0031] By pumping and dropping the water inside the chamber, continuous operation is made possible using the saw lead impact turbine, which has the effect of being utilized as a learning teaching aid, such as a hydroelectric turbine using a learning saw lead impact turbine. Brief explanation of the drawing

[0032] FIG. 1 is a conceptual diagram of a continuous operation system according to the present invention and a cross-sectional view of a saw lead impact aberration. FIG. 2 is a perspective view of a saw lead impact aberration according to the present invention. FIGS. 3 and FIGS. 4 are first exploded perspective views of FIG. 2. Specific details for implementing the invention

[0033] The present invention is capable of various modifications and may take various forms, and embodiments (aspects or examples) are to be described in detail in the text. However, this is not intended to limit the present invention to a specific disclosed form, and it should be understood that it includes all modifications, equivalents, and substitutions that fall within the spirit and scope of the present invention.

[0034] In each drawing, identical reference numerals, particularly those with identical tens and ones digits, or identical tens, ones, and alphabets, represent components having the same or similar functions; unless otherwise specified, the components referred to by each reference numeral in the drawing should be understood as components conforming to these criteria.

[0035] In addition, in each drawing, the components are depicted with exaggerated sizes or thicknesses, or simplified, for the sake of ease of understanding; however, the scope of protection of the present invention should not be interpreted as being limited by this.

[0036] The terms used herein are used merely to describe specific embodiments (aspects or examples) and are not intended to limit the invention. The singular expression includes the plural expression unless the context clearly indicates otherwise.

[0037] In this application, terms such as "comprising" or "consisting of" are intended to indicate the existence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not excluding in advance the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.

[0038] Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by those skilled in the art to which the present invention pertains, and the present invention may be used as an educational teaching aid, such as a hydraulic turbine utilizing a learning top lead impact turbine. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an ideal or overly formal sense unless explicitly defined in this application.

[0039] The terms "~1~," "~2~," etc., described in this specification are used merely to distinguish different components and are not bound by the order of manufacture; furthermore, the names may not match those in the detailed description of the invention and the claims.

[0040] For convenience in describing the saw lead impact water canister and the continuous operation system equipped with the same according to the present invention, if a rough, non-strict directional standard is specified with reference to FIG. 1, the direction in which gravity acts is set downward, and the up, down, left, and right directions are determined as they appear. Unless otherwise specifically mentioned in the detailed description of the invention and claims related to other drawings, directions are described by specifying them according to this standard.

[0041] Hereinafter, a saw lead impact water canister according to the present invention and a continuous operation system equipped with the same will be described with reference to the attached drawings.

[0042] As illustrated in FIGS. 1 to 4, the present invention relates to a saw lead impact turbine and a continuous operation system equipped with the same. The saw lead impact turbine (T) mainly comprises a housing, an impeller (10), and a suction pipe (20), and the continuous operation system mainly comprises a chamber (1), a water supply pipe (2), and the saw lead impact turbine (T).

[0043] For reference, the term "saw lead" here refers to a structure with multiple tooth-like protrusions on the suction tube (fixed part) that functions to smoothly lead the rotation of the impeller (rotating part).

[0044] First, the top lead impact aberration (T) according to the present invention

[0045] Housing with a drip inflow channel connected along the perimeter;

[0046] An impeller (10) that is connected to a generator (not shown) and is mounted inside the housing, and is equipped with radially arranged reaction blades (11) and rotates by the speed and pressure of the water flow;

[0047] It includes a suction tube (20) that is coupled to the lower part of the housing to form a suction port (23) connected to a water outlet, and is equipped with lead blades (21) that guide the suction direction of the water flow in the rotation direction of the impeller (10).

[0048] A housing not shown in the drawing is used for a known saw lead impact water wheel (T), and is connected to a drip water inlet path that surrounds the impeller (10) and has a spiral shape with a decreasing diameter, and guide blades are provided radially arranged on the drip water inlet path to guide the drip water to the impeller (10).

[0049] The above impeller (10) is composed of a central shaft body part (12), an upper plate part (13) coupled to the upper end of the shaft body part (12), and reaction wings (11) coupled interposed between the shaft body part (12) and the upper plate part (13), and a water drop part (14) is formed below the reaction wings (11).

[0050] A rotating shaft (121) is connected to the shaft body (12) above and vertically through it to function as the shaft of the impeller (10) and to rotate the generator.

[0051] The reaction wings (11) are attached along the outer surface of the shaft body (12), and each reaction wing (11) is connected to and fixed to the upper plate (13).

[0052] At this time, the shaft body part (12) may be formed in the shape of a pipe, with a body part protruding from the central bottom surface of the upper plate part (13) being inserted into the shaft body part (12) and joined, or the upper plate part (13) in the shape of a plate may be joined to the upper surface of the shaft body part (12) in the shape of a cylinder.

[0053] In addition, a fixed ring portion (15) forming the water drop portion (14) is connected in a manner that surrounds the reaction wings (11) in the direction of the outer surface of the lower end of the reaction wings (11).

[0054] In addition, an inner flange portion (122) is connected to the lower end of the shaft body portion (12) in a shape that protrudes downward with a reduced diameter so as to have an outer diameter smaller than that of the shaft body portion (12).

[0055] An outer flange portion (151) is connected to the lower end of the fixed ring portion (15) in a shape that protrudes downward with an expanded diameter to have an inner diameter larger than that of the fixed ring portion (15).

[0056] And the inner flange portion (122) is inserted and coupled to the inner body (22) described later, and the outer flange portion (151) is inserted and coupled to the outer body (24) described later.

[0057] The above reaction wings (11) are connected at a predetermined downward angle with respect to the axial direction in the direction of the flow of the falling water, and the number or spacing of the reaction wings (11) may vary depending on the specifications of the water wheel, but it is preferable to have a greater number than the number of lead wings (21).

[0058] These reaction wings (11) each have a spiral twist structure, so that the water flow introduced into the impeller (10) pushes the reaction wings (11) to cause the impeller (10) to rotate, and the reaction water flow rotates together with the reaction wings (11) and is discharged through the lower water discharge section (14).

[0059] At this time, the water flow introduced into the impeller (10) does not fall directly to the water drop section (14) due to the centrifugal force acting on it, but remains inside the impeller (10) while rotating together with the impeller (10) for a certain period of time, and then is discharged through the water drop section (14) under the influence of the water flow introduced thereafter. This acts as a cause for lowering the speed and pressure of the water flow, but the present invention solves the above-mentioned problem through the lead blades (21) of the suction tube (20) to improve power generation efficiency.

[0060] First, the suction tube (20) is composed of an inner body (22) coupled to the shaft body (12), an outer body (24) provided on the outer side of the inner body (22) and forming a suction port (23) connected to the water drop section (14), and lead wings (21) coupled and interposed between the inner body (22) and the outer body (24), wherein the lead wings (21) are arranged along the circumferential direction directly below the water drop section (14).

[0061] The above suction tube (20) has a ring-shaped inner body (22) and an outer body (24) arranged in a concentric structure, and the suction port (23) is formed between the inner body (22) and the outer body (24).

[0062] At this time, the inner body (22) has a bottom portion (221) with a closed bottom surface, and a hole (222) is formed in the bottom portion (221) in which the lower end of the rotation shaft (121) is installed.

[0063] The above suction port (23) is connected to a water outlet so that the water flow providing rotational power to the impeller (10) for power generation is discharged (falls).

[0064] The above lead wings (21) are joined so as to be inclined downward at a predetermined angle with respect to the axial direction in the direction of the flow of the falling water,

[0065] The slope of the lead wings (21) is formed to be lower than the slope of the reaction wings (11).

[0066] The above reaction wings (11) must receive the water hammer of the water flow and receive the reaction for the rotation of the impeller (10), so they have a slope close to vertical (approximately 70 to 80 degrees) and have the same height as the shaft body part (12).

[0067] On the other hand, the lead wings (21) guide the discharge direction of the water flow passing through the water outlet (14) and being sucked into the suction port (23) to the lower end as long as centrifugal force acts, so they are combined with a lower slope than the reaction wings (11) and are formed to have a height of approximately 1 / 3 to 1 / 5 of the height of the inner body (22) (or outer body (24)).

[0068] Accordingly, the water flow sucked into the above-mentioned suction port (23) is discharged in a spiral shape under the influence of centrifugal force and gravity. When the centrifugal force acts more strongly than gravity and the discharge of the water flow is delayed, the above-mentioned lead blades (21) guide the water flow in a downward sloping direction toward the rotational direction of the impeller (10) to facilitate the discharge of the water flow, thereby minimizing the effect on the recoil (i.e., the speed and pressure of the water flow) applied to the impeller (10) and thereby improving the power generation efficiency of the generator operated by the impeller (10).

[0069] Meanwhile, the above impeller (10) rotates along the fixed suction tube (20), so it is preferable for the suction tube (20) itself to function as the shaft of the impeller (10).

[0070] In addition, to prevent water leakage within the suction tube (20) and to install a rotational friction reduction means not shown, such as a bearing, the present invention is supported by a male-female coupling structure between the shaft body part (12) and the inner body (22), and between the fixing ring part (15) and the outer body (24).

[0071] To this end, the shaft body part (12) and the fixing ring part (15) are each connected such that the inner flange part (122) and the outer flange part (151) protrude downward, and the inner flange part (122) and the outer flange part (151) are each fitted and connected in a male-female coupling form to the inner surface of the inner body (22) and the outer surface of the outer body (24), respectively.

[0072] Accordingly, the inner body (22) and the outer body (24) form an intake port (23) and simultaneously serve as shafts that guide the rotation of the impeller (10). At this time, means for reducing rotational friction, such as bearings, and means for sealing, such as O-rings, may be provided between the inner flange portion (122) and the inner body (22), and between the outer flange portion (151) and the outer body (24).

[0073] Next, the continuous operation system according to the present invention

[0074] A chamber (1) having a multi-layered structure of reservoirs (1A)(1B)(1C) and a drip hole connected to the top of each layer of reservoirs (1A)(1B)(1C) to allow water from the top to fall,

[0075] A water supply pipe (2) that draws up water from the lowest reservoir (1C) to the highest reservoir (1A) and supplies it,

[0076] It includes a saw lead impact water aberration (T) equipped in the drip hole of each floor.

[0077] The above chamber (1) is a sealed structure formed to form a plurality of upper and lower water reservoirs (1A)(1B)(1C), and each layer of water reservoirs (1A)(1B)(1C) is equipped with an air supply port (1a) for air circulation.

[0078] In this chamber (1), a drain is connected to the top of each layer of water reservoirs (1A), (1B), and (1C), so that the reservoirs (1A), (1B), and (1C) are connected vertically, and the drain of the lowest layer of water reservoir (1C) and the drain of the top layer of water reservoir (1A) are connected through the water supply pipe (2) by bypassing the outside of the chamber (1).

[0079] A pump (3) is installed in the above water supply pipe (2) to operate by receiving power from a battery (3a) (or commercial power), thereby pumping water from the lowest water reservoir (1C) to the highest water reservoir (1A), and thus the water from each layer of water reservoirs (1A), (1B), and (1C) circulates sequentially from the highest water reservoir (1A) to the lowest water reservoir (1C).

[0080] At this time, the above top lead impact turbine (T) is installed in the water outlet of each layer reservoir (1A)(1B)(1C) to generate power, and can be utilized as a learning aid such as a hydroelectric turbine using a learning top lead impact turbine.

[0081] In addition, the above-mentioned drop-off outlet is equipped with an opening / closing valve (V) on the upper side of the top lead impact water wheel (T), and an opening / closing valve (V) for opening / closing the water supply pipe (2) is provided in a branch pipe extending upward from the drop-off outlet of the uppermost reservoir (1A).

[0082] The above-mentioned shut-off valve (V) opens the flow path so that water from the pump (3) is pumped and falls into the reservoirs (1A)(1B)(1C) of each floor.

[0083] Therefore, when the pump (3) is operated with all of the above-mentioned opening and closing valves (V) open, water falls into the reservoirs (1A)(1B)(1C) of each layer, and the impeller of the top lead impact water turbine (T) is rotated and operated. At this time, the effect on the recoil (i.e., the speed and pressure of the water flow) applied to the impeller (10) through the suction pipe equipped with the top lead blades is minimized, so it can be used as a learning teaching material such as a hydroelectric turbine using a learning top lead impact water turbine.

[0084] In addition, as shown in the upper left circle of Fig. 1, an opening / closing valve (V) is arranged on the upper side and a water turbine (T) is arranged on the lower side of the upper water outlet, and a water turbine (T) is arranged on the upper side and an opening / closing valve (V) is arranged on the lower side of the lower water outlet, and then the upper and lower water turbines (T) are connected by an interlocking shaft (TD) so that the impellers (10) can rotate in conjunction with each other.

[0085] delete

[0086] The above linkage shaft (TD) can be configured such that the rotation shaft (121) of each impeller (10) is extended vertically and connected.

[0087] When the top lead impact turbines (T) are linked up and down in this way, the impellers (10) arranged up and down minimize the recoil from the lead blades (21) of each turbine (T) and influence the rotation of other impellers (10), thereby further increasing their efficiency.

[0088] In describing the present invention above, with reference to the attached drawings, the invention has been described primarily with respect to a saw lead impact turbine and a continuous operation system equipped therewith, which can be used as educational teaching materials such as a hydroelectric turbine utilizing a saw lead impact turbine for learning purposes. However, the present invention is capable of various modifications, changes, and substitutions by those skilled in the art, and such modifications, changes, and substitutions should be interpreted as falling within the scope of protection of the present invention. Explanation of the symbols

[0089] *Explanation of the main parts of the drawing* 1 : Hull 1A, 1B, 1C : Water reservoir 2 : Water supply pipe 3 : Pump 10: Impeller 11: Reaction blade 12: Shaft body part 13: Top plate part 14: Water drop section 15: Fixing ring section 20: Suction tube 21: Lead blade 22 : My body 23 : Air outlet 24 : Outer body T : Top lead impact aberration

Claims

Claim 1 A housing having a water inlet connected along the circumferential direction; an impeller (10) connected to a generator and mounted inside the housing, and equipped with radially arranged reaction blades (11) that rotates with the speed and pressure of the water flow; and a suction pipe (20) coupled to the lower part of the housing to form a suction port (23) connected to a water outlet, and equipped with lead blades (21) that guide the suction direction of the water flow in the rotation direction of the impeller (10); wherein the impeller (10) is composed of a central shaft body part (12), an upper plate part (13) coupled to the upper end of the shaft body part (12), reaction blades (11) coupled interposed between the shaft body part (12) and the upper plate part (13), and a fixing ring part (15) connected in the circumferential direction to the lower end outer surface of the reaction blades (11) to form a water flow part (14), and the water flow part (14) is formed below the reaction blades (11). The suction tube (20) is composed of an inner body (22) coupled to the shaft body part (12), an outer body (24) provided on the outer side of the inner body (22) and forming a suction port (23) connected to the water drop part (14), and lead wings (21) coupled and interposed between the inner body (22) and the outer body (24), wherein the lead wings (21) are arranged along the circumferential direction directly below the water drop part (14), characterized by a saw lead impact water aberration. Claim 2 In claim 1, an inner flange portion (122) is connected to the lower end of the shaft body portion (12) in a shape that protrudes downward with a reduced diameter so as to have an outer diameter smaller than that of the shaft body portion (12), and an outer flange portion (151) is connected to the lower end of the fixing ring portion (15) in a shape that protrudes downward with an expanded diameter so as to have an inner diameter larger than that of the fixing ring portion (15), and the inner flange portion (122) is inserted and coupled to the inner body (22) described later, and the outer flange portion (151) is inserted and coupled to the outer body (24) described later. Claim 3 A saw lead impact aberration according to claim 2, wherein the reaction wings (11) and lead wings (21) are joined at a predetermined angle downward in the direction of the flow of falling water with respect to the axial direction, and the inclination of the lead wings (21) is formed to be lower than the inclination of the reaction wings (11). Claim 4 delete

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