Sewage filtering equipment for hydropower station

Abstract

The utility model relates to the technical field of hydropower station sewage treatment, in particular to a hydropower station sewage filtering device, which comprises a guide rail component, a filter screen component and a sewage filtering device, the first side of the first blocking net assembly is fixedly arranged, the second side of the first blocking net assembly is slidably arranged on the guide rail assembly, and the first blocking net assembly is used for blocking solid pollutants; one end of the first connecting rope is connected with the second side of the first blocking net assembly, and the other end of the first connecting rope is connected with a first winding and unwinding mechanism; one end of the second connecting rope is connected with the second side of the first blocking net assembly, and the other end of the second connecting rope is connected with the second winding and unwinding mechanism; the first winding and unwinding mechanism and the second winding and unwinding mechanism are used for driving the second side of the first blocking net assembly to slide in a reciprocating mode. The sewage filtering equipment for the hydropower station aims at reducing the difficulty of cleaning floating garbage on a water channel of the hydropower station.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment in hydropower stations, and more specifically, to a sewage filtering device for hydropower stations. Background Technique

[0002] A hydropower station consists of a hydraulic system, a mechanical system, an electric energy generating device, etc. It is a water conservancy project that realizes the conversion of water energy into electric energy. Hydropower generation is an important part of China's power engineering. Due to the characteristics of clean, efficient, and stable and sufficient energy supply of hydropower generation, hydropower projects have received more and more attention, and a large number of hydropower stations have been derived.

[0003] There are usually residential areas upstream of hydropower stations. Although it is currently prohibited to dump garbage into the river, with the flow of water downstream, a certain amount of floating garbage will still accumulate in front of the hydropower station. In order to prevent the floating garbage from entering the hydropower station and affecting the power generation process, it is necessary to clean the garbage in front of the hydropower station. Since hydropower stations usually have a certain width, and the difficulty of cleaning will increase with the increase of the width. Content of the Utility Model

[0004] The main purpose of the utility model is to propose a sewage filtering device for hydropower stations, aiming to reduce the difficulty of cleaning the floating garbage on the water channel of the hydropower station.

[0005] In order to solve the above technical problems, a sewage filtering device for hydropower stations is proposed, including: a guide rail assembly, arranged on the front side of the dam body of the hydropower station;

[0006] A first netting assembly, with the first side fixedly arranged and the second side slidably arranged on the guide rail assembly, for intercepting solid pollutants;

[0007] A first connecting rope, with one end connected to the second side of the first netting assembly and the other end connected to a first winding and unwinding mechanism;

[0008] A second connecting rope, with one end connected to the second side of the first netting assembly and the other end connected to a second winding and unwinding mechanism;

[0009] The first winding and unwinding mechanism and the second winding and unwinding mechanism are used to drive the second side of the first netting assembly to slide reciprocally.

[0010] In any of the above technical solutions, further, it further includes:

[0011] A second netting assembly, the second netting assembly and the first netting assembly straddle the water channel of the dam body of the hydropower station, and the first side of the second netting assembly is connected to the second side of the first netting assembly, and the second side of the second netting assembly is fixedly arranged.

[0012] In any of the above technical solutions, further, the first netting assembly includes:

[0013] X fixing components, the first fixing component is fixedly arranged, and the Xth fixing component is slidably arranged on the guide rail assembly, where X is an integer greater than or equal to three;

[0014] Multiple filter meshes, arranged on each of the fixing components;

[0015] Each of the fixing components includes:

[0016] A first support member, the density of the first support member is less than the density of water;

[0017] A second support member, the density of the second support member is greater than the density of water;

[0018] A first connecting member, with both ends respectively connected to the first support member and the second support member.

[0019] In any of the above technical solutions, further, the fixing component further includes:

[0020] A third support member, the density of the third support member is greater than the density of water;

[0021] A second connecting member, with both ends respectively connected to the second support member and the third support member.

[0022] In any of the above technical solutions, further, the guide rail assembly includes a first connecting section, a second connecting section, and a third connecting section connected in sequence;

[0023] Along the direction from the first side to the second side of the first netting assembly approaching, the distance between the second connecting section and the hydropower station dam body gradually increases, and the distance between the third connecting section and the hydropower station dam body gradually decreases.

[0024] The beneficial effects are as follows:

[0025] 1. The sewage filtering device for hydropower stations of the present utility model guides the movement path of the first netting assembly through the guide rail assembly, and under the action of the first connecting rope and the first winding and unwinding mechanism, can drive the second side of the first netting assembly to move leftward; under the action of the second connecting rope and the second winding and unwinding mechanism, can drive the second side of the first netting assembly to move rightward, so that the floating debris on the water channel in front of the hydropower station can be gathered on one side of the hydropower station, facilitating the salvage of floating debris;

[0026] 2. And while gathering floating debris through the first netting assembly, it can intercept floating debris on the water channel in front of the hydropower station with the help of the second netting assembly, preventing the floating debris from moving into the hydropower station dam body. Brief Description of the Drawings

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0028] Figure 1 It is a three-dimensional structural schematic diagram of a sewage filtration device for a hydropower station according to the present invention.

[0029] The description of the reference numerals is as follows:

[0030] 1. Guide rail assembly; 101. First connection section; 102. Second connection section; 103. Third connection section;

[0031] 2. First netting assembly; 201. Fixing assembly; 202. Multi-layer filter; 203. First support; 204. Second support; 205. First connecting piece; 206. Third support; 207. Second connecting piece;

[0032] 3. First connecting rope;

[0033] 4. Second connecting rope;

[0034] 5. First winding and unwinding mechanism;

[0035] 6. Second winding and unwinding mechanism;

[0036] 7. Second netting assembly. Detailed Embodiments

[0037] Next, exemplary embodiments according to the present application will be described in detail with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments of the present application. It should be understood that the present application is not limited by the exemplary embodiments described herein. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0038] It should be noted that, as shown in the present application and the claims, unless the context clearly indicates otherwise, words such as "a", "an", "one" and / or "the" are not specifically singular, but may also include plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of the clearly identified steps and elements, and these steps and elements do not constitute an exclusive list. The method or device may also include other steps or elements.

[0039] If there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, then such directional indications are only used to explain the relative positional relationship, movement conditions, etc. between components in a certain specific posture (as shown in the attached drawings). If the specific posture changes, then the directional indications will also change accordingly.

[0040] In the present utility model, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0041] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, then such descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" can explicitly or implicitly include at least one such feature. In addition, the meaning of "and / or" appearing throughout the text includes three parallel scenarios. Taking "A and / or B" as an example, it includes Scenario A, or Scenario B, or the scenario where both A and B are satisfied simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0042] The present utility model provides a sewage filtering device for a hydropower station. Through the cooperation of a first connecting rope, a second connecting rope, a first winding and unwinding mechanism, a second winding and unwinding mechanism, and a guide rail assembly, it can gather the floating debris on the water channel of the hydropower station to one side, facilitating the cleaning of the floating debris.

[0043] The following will detail a sewage filtering device for a hydropower station of the present application through the following embodiments.

[0044] In this embodiment, as Figure 1 shown, the sewage filtering device for the hydropower station includes: a guide rail assembly 1, arranged on the front side of the hydropower station dam;

[0045] A first netting assembly 2, fixedly arranged on one side and slidably arranged on the guide rail assembly 1 on the other side, for intercepting solid pollutants;

[0046] A first connecting rope 3, one end of which is connected to the second side of the first blocking net assembly 2, and the other end of which is connected to the first retracting and unreeling mechanism 5;

[0047] A second connecting rope 4, one end of which is connected to the second side of the first blocking net assembly 2, and the other end of which is connected to the second retracting and unreeling mechanism 6;

[0048] The first unwinding and reeling mechanism 5 and the second unwinding and reeling mechanism 6 are used to drive the second side of the first screen assembly 2 to slide back and forth.

[0049] In the present technical solution, the guide rail assembly 1 is fixed above the water surface on the front side of the dam body of the hydropower station. The guide rail assembly 1 is mainly provided with a guide rail for sliding the second side of the first screen assembly 2, and the guide rail is arranged horizontally. The front side of the dam body of the hydropower station refers to the upstream direction of the water flow. The first side of the first screen assembly 2 is the left side, and the second side is the right side. The left side end of the first screen assembly 2 is fixed on the guide rail assembly 1 or the dam body and is arranged on the left side of the waterway. The right side end of the first screen assembly 2 is slidably arranged on the guide rail assembly 1 along the guide rail. A part of the first screen assembly 2 floats on the upper side of the water surface, and the other part of the first screen assembly 2 sinks below the water surface.

[0050] The first connecting rope 3 and the second connecting rope are steel wire ropes, and the first unwinding and reeling mechanism 5 and the second unwinding and reeling mechanism 6 are both rotating rollers driven by a motor. The inner end of the first connecting rope 3 is fixed on the rotating roller of the first unwinding and reeling mechanism 5, and the outer end of the first connecting rope 3 is connected to the right side end of the first blocking assembly 2 through a guide ring (not shown in the figure) on the guide rail assembly 1, so that the first unwinding and reeling mechanism 5 can drive the right side end of the first blocking assembly 2 to move gradually to the left along the guide rail when rewinding the first connecting rope 3. The inner end of the second connecting rope 4 is fixed on the rotating roller of the second unwinding and reeling mechanism 6, and the outer end of the second connecting rope 4 is fixed to the right side end of the first blocking assembly 2. When the first unwinding and reeling mechanism 5 rewinds the first connecting rope 3, the second unwinding and reeling mechanism 6 unwinds the second connecting rope 4, and as the right side end of the first blocking assembly 2 moves to the left, the outer end of the second connecting rope 4 passes through the guide ring of the guide rail assembly 1 to the left along the right side end of the first blocking assembly 2. In this way, as the right end of the first screen assembly 2 moves to the left, the solid pollutants floating on the water surface can be gathered to the left, which is convenient for cleaning at a fixed point or area, and also convenient for setting up an automatic garbage salvaging device.

[0051] In this embodiment, it also includes:

[0052] The second screen assembly 7 and the first screen assembly 2 are arranged across the waterway of the dam body of the hydropower station, and the first side of the second screen assembly 7 is connected to the second side of the first screen assembly 2, and the second side of the second screen assembly 7 is fixedly arranged.

[0053] In the present technical solution, the right side end of the second screen assembly 7 is fixed to the right side of the waterway, and the left side end of the second screen assembly 7 is detachably arranged at the left side end of the first screen assembly 2. The right side end of the second screen assembly 7 is arranged by the same fixing assembly 201 as the first screen assembly 2, and a flexible filter is arranged on the left side of the second screen assembly 7. The second screen assembly 7 is arranged so that when the garbage is gathered by the first screen assembly 2, the garbage can be intercepted by the second screen assembly 7.

[0054] In some technical solutions, an elastic structure is provided on the second blocking assembly 7, which can shrink the second blocking assembly 7 to the right side of the first blocking assembly 2 when the first blocking assembly 2 is unfolded.

[0055] In this embodiment, the first screen assembly 2 includes:

[0056] X fixed components 201, the first fixed component 201 is fixedly arranged, and the Xth fixed component 201 is slidably arranged on the guide rail component 1, where X is an integer greater than or equal to three;

[0057] Multiple filters 202 are arranged on each fixed component 201;

[0058] Each fixing assembly 201 includes:

[0059] A first support member 203, wherein the density of the first support member 203 is less than the density of water;

[0060] A second support member 204, wherein the density of the second support member 204 is greater than the density of water;

[0061] The first connecting member 205 has two ends connected to the first supporting member 203 and the second supporting member 204 respectively.

[0062] In the present technical solution, five fixing components 201 are provided, the first fixing component 201 is fixed to the left side of the waterway, the second fixing component 201 is fixed to the front side of the dam body at the right side of the first fixing component 201, and the upper side of the last fixing component 201, i.e. the fifth fixing component 201, is slidably provided on the guide rail of the guide rail component 1. The two ends of the filter screen are fixed to the first fixing component 201 and the last fixing component 201, and the middle interval of the filter screen is fixed to the remaining fixing components 201, and the filter screen is fixed and supported by the setting of each fixing component 201.

[0063] The first support member 203 floats on the water surface, the second support member 204 sinks below the water surface, the first connecting member 205 is connected between the first support member 203 and the second support member 204. The first support member 203 can be set as a hollow plastic ball, the second support member 204 is set as a solid ball and has a density greater than that of water, and the first connecting member 205 is a flexible rope. The filter net is fixed on the first connecting member 205 of each fixing component 201. Under the action of the first support member 203 of each fixing component 201, the top side of the filter net is horizontally placed on the water surface. Under the action of the first support member 203 and the second support member 204 of each fixing component 201, the filter net is vertically placed in the water channel.

[0064] In this embodiment, the fixing component 201 further includes:

[0065] A third support member 206, and the density of the third support member 206 is greater than that of water;

[0066] A second connecting member 207, with both ends respectively connected to the second support member 204 and the third support member 206.

[0067] In this technical solution, the third support member 206 is fixed to the lower side of the second support member 204 through the second connecting member 207. The material of the third support member 206 is the same as that of the second support member 204, and the second connecting member 207 is a flexible rope. The filter net is fixed on the first connecting member 205 and the second connecting member 207 of each fixing component 201.

[0068] In this embodiment, the guide rail assembly 1 includes a first connecting section 101, a second connecting section 102 and a third connecting section 103 connected in sequence;

[0069] Along the direction from the first side to the second side of the first netting assembly 2 approaching, the distance between the second connecting section 102 and the dam body of the hydropower station gradually increases, and the distance between the third connecting section 103 and the dam body of the hydropower station gradually decreases.

[0070] In this technical solution, the first connecting section 101 is on the left side, the second connecting section 102 is in the middle, and the third connecting section 103 is on the right side. The first connecting section 101 is parallel to the dam body of the hydropower station, or the first connecting section 101 is parallel to the direction where the first fixing component 201 and the second fixing component 201 are located. The left side of the second connecting section 102 is connected to the right side of the first connecting section 101, the right side of the second connecting section 102 extends forward, and the second connecting section 102 is arranged in a straight line. The left end of the third connecting section 103 is connected to the right end of the second connecting section 102, the right end of the second connecting section 102 is fixed on the dam body, and the second connecting section 102 is arranged in an arc shape.

[0071] When in use, the right end of the first net assembly 2 is driven by the first reeling and winding mechanism 5 to move forward along the third connecting section 103, and then moves to the left rear under the guidance of the second connecting section 102, and then the right end of the first net assembly 2 is stopped on the first connecting section 101, so that floating garbage on the water surface is gathered in the space between the first connecting section 101 and the dam body, so as to facilitate the salvage of floating garbage.

[0072] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A sewage filtration device for a hydropower station, applied to the dam of a hydropower station, characterized in that: include: A guide rail assembly (1) is arranged at the front side of the dam body of the hydropower station; A first blocking net assembly (2), the first side of which is fixedly arranged, and the second side of which is slidably arranged on the guide rail assembly (1), for intercepting solid pollutants; A first connecting rope (3), one end of which is connected to the second side of the first blocking net assembly (2), and the other end of which is connected to the first retractable and unreeling mechanism (5); A second connecting rope (4), one end of which is connected to the second side of the first blocking net assembly (2), and the other end of which is connected to the second retracting and unreeling mechanism (6); The first unwinding and reeling mechanism (5) and the second unwinding and reeling mechanism (6) are used to drive the second side of the first screen assembly (2) to slide back and forth.

2. The sewage filtering equipment for a hydropower station according to claim 1, characterized in that: Also includes: A second screen assembly (7), wherein the second screen assembly (7) and the first screen assembly (2) are arranged astride the waterway of the dam body of the hydropower station, and the first side of the second screen assembly (7) is connected to the second side of the first screen assembly (2), and the second side of the second screen assembly (7) is fixedly arranged.

3. The sewage filtering equipment for a hydropower station according to claim 1, characterized in that: The first blocking net component (2) comprises: X fixed components (201), the first fixed component (201) being fixedly arranged, and the Xth fixed component (201) being slidably arranged on the guide rail component (1), where X is an integer greater than or equal to three; Multiple filter screens (202) are arranged on each of the fixed components (201); Each of the fixing components (201) comprises: A first support member (203), wherein the density of the first support member (203) is less than the density of water; A second support member (204), wherein the density of the second support member (204) is greater than the density of water; The first connecting member (205) has two ends respectively connected to the first supporting member (203) and the second supporting member (204).

4. The sewage filtering equipment for a hydropower station according to claim 3, characterized in that: The fixing assembly (201) further comprises: A third support member (206), wherein the density of the third support member (206) is greater than the density of water; The second connecting member (207) has two ends respectively connected to the second supporting member (204) and the third supporting member (206).

5. The sewage filtering equipment for a hydropower station according to claim 1, characterized in that: The guide rail assembly (1) comprises a first connecting section (101), a second connecting section (102) and a third connecting section (103) which are connected in sequence; Along the direction from the first side of the first screen assembly (2) to the second side, the distance between the second connecting section (102) and the dam body of the hydropower station gradually increases, and the distance between the third connecting section (103) and the dam body of the hydropower station gradually decreases.

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