Garbage blocking prevention device for hydroelectric generating set

Abstract

The invention discloses a garbage blocking prevention device for a hydroelectric generating set. A large amount of garbage often exists at a water inlet port of a hydropower station, a water turbine and a water inlet can be abraded and blocked due to the garbage, and more seriously, normal operation and efficient power generation efficiency of a generator set can be affected. The device comprises a shell A (1), a shell B (2) and a shell C (3), one end of the shell A is fixedly connected with a trapezoidal blocking net (4) through a buckle, the other end of the shell A is welded with a flange, the front end and the rear end of the shell B are welded with flanges, one end of the shell C is welded with a flange, the multiple sets of flanges fix the multiple sets of shells through bolts, and multiple sets of filter nets and a smashing mechanism (5) are movably connected into the shells. And a group of cleaning mechanisms (6) are respectively arranged in front of the plurality of groups of filter screens. The device is used for preventing the water inlet of the water turbine of the hydroelectric generating set from being blocked by garbage.

Description

Technical Field

[0001] The invention relates to a garbage blocking prevention device for a hydroelectric generator set. Technical Background

[0002] With the strong pull of electricity demand, my country's turbine manufacturing for hydropower projects has taken a leading position. The water inlet of a hydropower station is an important part of the hydroelectric generator set. Its function is to guide water flow into the hydropower station turbine for power generation. However, there is often a large amount of garbage at the water inlet of the hydropower station. The presence of these garbage will cause wear and blockage on the turbine and the water inlet, and more seriously affect the normal operation and efficient power generation efficiency of the generator set. Summary of the invention

[0003] The purpose of the invention is to solve the problem of a large amount of garbage at the water inlet of a hydropower station, which causes wear and blockage on the turbine and the water inlet, affecting the normal operation and efficient power generation efficiency of the generator set.

[0004] To solve the above-mentioned shortcomings, the present invention adopts the following technical solutions: A garbage clogging prevention device for a hydroelectric generator set comprises a shell A, a shell B and a shell C. One end of the shell A is fixedly connected to a trapezoidal screen by a buckle, and the other end is welded with a flange. The front and rear ends of the shell B are welded with flanges, and one end of the shell C is welded with a flange. The multiple sets of flanges are fixed to multiple sets of shells by bolts. Multiple sets of filter screens and crushing mechanisms are movably connected in the shells, and a cleaning mechanism is installed in front of each of the multiple sets of filter screens.

[0005] The garbage blocking device for a hydroelectric generator set comprises a crushing mechanism comprising a plurality of crushing blades, the plurality of crushing blades are movably connected to a housing via a rotating shaft, and one end of the rotating shaft is electrically connected to a motor B.

[0006] The garbage blocking device for a hydroelectric generator set comprises a cleaning mechanism including a motor A and a telescopic rod, wherein the motor A is electrically connected to the telescopic rod, and one end of the telescopic rod is inserted into a shell and fixedly connected to a scraper.

[0007] The garbage blocking device for a hydroelectric generator set has motor protection covers A and B movably installed on the outer sides of the motor A and the motor B. Beneficial Effects

[0008] 1. The crushing mechanism of the present invention crushes the hard garbage entering the device, avoiding blockage caused by the hard garbage, reducing the wear of the water inlet of the hydropower station, saving resources, and extending the service life of the water inlet.

[0009] 2. The installation of the cleaning mechanism of the present invention reduces the probability of blockage of the water inlet, ensuring the normal operation and high power generation efficiency of the generator set. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Attached Figure 1 It is a structural view of the present invention; Attached Figure 2 It is a front view of the present invention; Attached Figure 3 is a top view of the present invention; Attached Figure 4 It is a left view of the present invention.

[0011] In the figure: 1. Shell A; 2. Shell B; 3. Shell C; 4. Trapezoidal screen; 5. Crushing mechanism; 6. Cleaning mechanism; 7. Crushing blade; 8. Rotating shaft; 9. Motor B; 10. Motor A; 11. Telescopic rod; 12. Scraper; 13. Flange; 14. Filter A; 15. Filter B; 16. Motor protection cover A; 17. Motor protection cover B. DETAILED DESCRIPTION

[0012] Reference Figure 1 A garbage blocking prevention device for a hydroelectric generator set comprises a shell A1, a shell B2 and a shell C3. One end of the shell A is fixedly connected to a trapezoidal screen 4 by a buckle, and the other end is welded with a flange. The front and rear ends of the shell B are welded with flanges. The shell C is welded with a flange 13 at one end. The multiple sets of flanges are fixed to multiple sets of shells by bolts. Two sets of filter screens and a crushing mechanism 5 are movably connected in the shell. A set of cleaning mechanism 6 is installed in front of each of the multiple sets of filter screens.

[0013] The garbage blocking device for a hydroelectric generator set, the crushing mechanism includes multiple groups of crushing blades 7, the multiple groups of crushing blades are movably connected to the shell through a rotating shaft, one end of the rotating shaft 8 is electrically connected to the motor B9, and the crushing blades can crush hard garbage entering the device, such as stones.

[0014] The garbage blocking device for a hydroelectric generator set, the cleaning mechanism includes a motor A10 and a telescopic rod 11, the motor A is electrically connected to the telescopic rod, one end of the telescopic rod is inserted into the shell and fixedly connected to a scraper 12, and the scraper is used to clean the garbage adhering to the filter screen.

[0015] The garbage blocking device for a hydroelectric generator set has motor protection covers A16 and B17 movably installed on the outside of the motor A and the motor B. The motor protection covers can protect the motors so that the motors are not exposed to the outside, thereby extending the service life of the motors.

[0016] Working principle: The device is installed at the water inlet of the hydropower station. When garbage wants to enter the water inlet, the trapezoidal screen of the device can intercept large pieces of garbage and buffer the water flow. When small garbage such as stones and leaves enter the device, they will be filtered by the first group of filters, and the cleaning mechanism will be started, driven by the motor, and the retractable scraper will clean the filter to prevent the filter from being blocked. When small stones and other garbage continue to go deeper, the motor B will be started, and the crushing blade driven by the rotating shaft will crush the garbage to facilitate better discharge. The second group of filters and cleaning mechanism are used for the final garbage filtration to ensure that the water inlet is not blocked by garbage.

Claims

1. A garbage blocking prevention device for a hydroelectric generator set, characterized in that: It consists of shell A, shell B, and shell C. One end of shell A is fixedly connected to a trapezoidal screen by a snap, and the other end is welded with a flange. Flanges are welded at the front and rear ends of shell B, and a flange is welded at one end of shell C. The multiple sets of flanges are fixed to multiple sets of shells by bolts. Multiple sets of filter screens and crushing mechanisms are movably connected inside the shell, and a set of cleaning mechanisms is installed in front of each of the multiple sets of filter screens.

2. A garbage blocking prevention device for a hydroelectric generator set according to claim 1, characterized in that: The garbage blocking device for a hydroelectric generator set comprises a crushing mechanism comprising a plurality of crushing blades, the plurality of crushing blades are movably connected to a housing via a rotating shaft, and one end of the rotating shaft is electrically connected to a motor B.

3. A garbage blocking prevention device for a hydroelectric generator set according to claim 1, characterized in that: The garbage blocking device for a hydroelectric generator set comprises a cleaning mechanism including a motor A and a telescopic rod, wherein the motor A is electrically connected to the telescopic rod, and one end of the telescopic rod is inserted into a shell and fixedly connected to a scraper.

4. A garbage blocking prevention device for a hydroelectric generator set according to claim 1, 2 or 3, characterized in that: The garbage blocking device for a hydroelectric generator set has motor protection covers A and B movably installed on the outer sides of the motor A and the motor B.

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