Method for filtering nuclear power water taking open channel marine organisms by matrix rotating disc type guide system
By setting up a matrix rotary-type guidance system in the open channel of the nuclear power plant, the rotation of gears and rotary disks forms a stirring water body, and the marine organisms are diverted into the recycling network, solving the problem of threatening water intake safety by marine organisms, and effectively recycling of garbage and marine organisms in the open channel is achieved to avoid clogging of the pump room.
Patent Information
- Application Number
- CN202510162242.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-03-25
AI Technical Summary
The proliferation of sea biological intake in open water in nuclear power plants seriously threatens the safety of cold source water intake. Conventional interception networks are prone to blockage, resulting in excessive stress and rupture of interception networks.
A matrix turntable guidance system is adopted. By setting up an outer filter net, pier, filter guide device and recycling net in the water intake channel, the frequency converter motor drives the rotation of the gears and turntables, forming the effect of agitating water, and draining sea organisms to the side of the recovery net for centralized recycling.
Effectively guide the garbage and marine organisms entering the open channel into the recycling network, reduce the transport of floating garbage and marine organisms in the open channel to the water withdrawal pump room, and avoid causing congestion in the pump room.
Smart Images
Figure CN119686415A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of cold source water intake for nuclear power plants, and in particular to a method for filtering marine organisms in an open channel for nuclear power water intake using a matrix turntable type guide system. Background Art
[0002] The operation of nuclear power plants requires a large amount of cooling water, and usually a large amount of seawater is used as cooling water. In recent years, due to changes in the marine environment and human activities, the proliferation of a large number of marine organisms has seriously threatened the safety of cooling water.
[0003] Since there are many marine organisms and various debris in seawater and the pumping flow is large, if only conventional interception nets are used, they are prone to clogging, which in turn causes the interception nets to be overstressed and rupture. For this reason, we propose a matrix turntable guide system to filter marine organisms in open channels for nuclear power water intake. Summary of the invention
[0004] The object of the present invention is to provide a method for filtering marine organisms in open channels of nuclear power water intake by a matrix turntable guide system, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above object, the present invention provides the following technical solution: A method for filtering marine organisms in an open channel for nuclear power water intake by a matrix turntable guide system, comprising the following steps:
[0006] Step 1: Install an outer filter at the outermost side of the open water intake channel of the nuclear power plant;
[0007] Step 2: Several piers are evenly arranged on both sides of the open channel for seawater cooling water of the nuclear power plant;
[0008] Step 3: Install filter guide devices at several parallel locations across the water intake open channel section, and fix the two ends of the filter devices on two piers at diagonally opposite positions;
[0009] Step 4: A recovery net is set on the water outlet side of the filter guide device to collect the garbage collected by the rotating disc.
[0010] Preferably, the device comprises a matrix turntable guide system for filtering marine organisms in an open channel for nuclear power water intake, the matrix turntable guide system for filtering marine organisms in an open channel for nuclear power water intake comprises an open channel for water intake and a filtering and diverting device, the filtering and diverting device comprises: piers and vertical rotating shafts, the piers are fixedly connected to the front and rear sides of the top of the open channel for water intake, and the piers are arranged in sequence from front to back, the vertical rotating shaft is located inside the open channel for water intake, a supporting shaft platform is provided at the bottom of the inner cavity of the open channel for water intake, the piers are grouped in groups of two, and a plurality of groups are provided, and each group of the piers is arranged in sequence from front to back, a connecting beam is fixedly connected between the inner side walls of each group of the piers, and a connecting beam is fixedly connected to the right side wall of the inner cavity of the connecting beam A variable frequency motor, the left end of the power output shaft of the variable frequency motor is fixedly connected to a horizontal rotating shaft, the left end of the horizontal rotating shaft is rotatably connected to the left side wall of the inner cavity of the connecting beam, the outer wall of the horizontal rotating shaft is fixedly connected to a power gear, and the power gears are arranged in sequence from left to right, the bottom end of the vertical rotating shaft is rotatably connected to the top of the supporting shaft platform, the outer wall of the vertical rotating shaft is fixedly connected to a disc, the discs are arranged in sequence from top to bottom, the left and right side walls of the disc are fixedly connected to vertical plates, the top end of the vertical rotating shaft passes through the connecting beam and extends to the inner cavity of the connecting beam, and the top end of the vertical rotating shaft is fixedly connected to a driven gear, and the driven gear meshes and rotates with the power gear.
[0011] Preferably, a recovery net is fixedly connected to the right side wall of the inner cavity of the water intake open channel and located at the rear side of the connecting beam.
[0012] Preferably, a water diversion platform is fixedly connected to the rear sides of the left and right side walls of the inner cavity of the water intake open channel, a water intake pump is fixedly connected between the inner walls of the water diversion platform, and a filter is fixedly connected to the front sides of the left and right side walls of the inner cavity of the water intake open channel.
[0013] Preferably, the discs form a group of three, and several groups are provided.
[0014] Preferably, the angle between the connecting beam and the inner wall of the open water intake channel is 35° to 40°.
[0015] Preferably, the power gear and the driven gear are both bevel gears.
[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the method of filtering marine organisms in the open channel of nuclear power water intake by the matrix turntable guide system forms a certain angle with the flowing seawater by tilting the connecting beam installed between the piers, and drives the horizontal rotating shaft to rotate through the variable frequency motor, and the horizontal rotating shaft drives the power gear to operate. At the same time, under the meshing rotation of the power gear and the driven gear, multiple vertical rotating shafts also rotate simultaneously with the rotation of the horizontal rotating shaft, and the vertical rotating shaft drives the turntable to rotate counterclockwise, and multiple groups of turntables drive the vertical plates to rotate, thereby increasing the area of the stirred water body, and draining the marine organisms to the side of the water intake open channel where a recovery net is provided, and the marine organisms and marine garbage that cannot be filtered by the filter net are centrally recovered through the recovery net, so that the garbage and marine organisms entering the open channel can be effectively guided to the recovery net, and the floating garbage and marine organisms in the open channel can be reduced. Migration to the water intake pump room to avoid clogging the pump room. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the left-side sectional structure of the present invention;
[0018] Figure 2 It is a schematic diagram of a partial cross-sectional structure viewed from above of the present invention;
[0019] Figure 3 It is a schematic diagram of the top view structure of the present invention;
[0020] Figure 4 It is a schematic diagram of the local three-dimensional structure of the present invention.
[0021] In the figure: 100, water intake open channel; 110, support shaft platform; 120, recovery net; 130, water diversion platform; 131, water intake pump; 140, filter net; 200, pier; 210, connecting beam; 220, variable frequency motor; 221, horizontal rotating shaft; 222, power gear; 300, vertical rotating shaft; 310, disc; 311, vertical plate; 320, driven gear. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0023] Embodiment 1:
[0024] See also Figure 1-4 The present invention provides a technical solution: a method for filtering marine organisms in an open channel for nuclear power water intake using a matrix turntable guide system, comprising the following steps:
[0025] Step 1: Install an outer filter at the outermost side of the open water intake channel of the nuclear power plant;
[0026] Step 2: Several piers are evenly arranged on both sides of the open channel for seawater cooling water of the nuclear power plant;
[0027] Step 3: Install filter guide devices at several parallel locations across the water intake open channel section, and fix the two ends of the filter devices on two piers at diagonally opposite positions;
[0028] Step 4: A recovery net is set on the water outlet side of the filter guide device to collect the garbage collected by the rotating disc.
[0029] By setting an outer filter 140 at the outermost side of the open water intake channel 100 of the nuclear power plant, the seawater is filtered once under the action of the filter 140 to intercept larger marine organisms in the seawater, and then a plurality of piers 200 are set on the open water intake channel 100, and connecting beams 210 are installed obliquely between the piers 200, and the filter guide device is driven by the variable frequency motor 220 installed inside the connecting beam 210 to operate, and the marine organisms not intercepted by the filter 140 are rotated to guide the flow direction. As the flow direction changes, the marine organisms enter the recovery net 120 on one side of the filter guide device for centralized collection.
[0030] Embodiment 2:
[0031] See also Figure 1-4The present invention provides a technical solution: a method for filtering marine organisms in a nuclear power water intake open channel by a matrix turntable guide system, comprising an open water intake channel 100 and a filtering water diversion device, wherein the filtering water diversion device comprises: a pier 200 and a vertical rotating shaft 300, wherein the pier 200 is fixedly connected to the front and rear sides of the top of the water intake open channel 100, and the piers 200 are arranged in sequence from front to back, the vertical rotating shaft 300 is located inside the water intake open channel 100, a supporting shaft platform 110 is provided at the bottom of the inner cavity of the water intake open channel 100, the piers 200 are grouped in pairs, and a plurality of groups are provided, and each group of piers 200 is arranged in sequence from front to back, a connecting beam 210 is fixedly connected between the inner side walls of each group of piers 200, and a variable frequency motor 220 is fixedly connected to the right wall of the inner cavity of the connecting beam 210, and the variable frequency motor 220 is fixedly connected to the right wall of the inner cavity of the connecting beam 210. The left end of the power output shaft of the motor 220 is fixedly connected to a horizontal rotating shaft 221, and the left end of the horizontal rotating shaft 221 is rotatably connected to the left wall of the inner cavity of the connecting beam 210, and the outer wall of the horizontal rotating shaft 221 is fixedly connected to a power gear 222, and the power gears 222 are arranged in sequence from left to right, and the bottom end of the vertical rotating shaft 300 is rotatably connected to the top of the supporting shaft platform 110, and the outer wall of the vertical rotating shaft 300 is fixedly connected to a disk 310, and the disks 310 are arranged in sequence from top to bottom, and the left and right side walls of the disk 310 are fixedly connected to vertical plates 311, and the top of the vertical rotating shaft 300 passes through the connecting beam 210 and extends to the inner cavity of the connecting beam 210, and the top of the vertical rotating shaft 300 is fixedly connected to a driven gear 320, and the driven gear 320 and the power gear The wheel 222 meshes and rotates, and a recovery net 120 is fixedly connected to the right side wall of the inner cavity of the water intake channel 100 and located at the rear side of the connecting beam 210. A water diversion platform 130 is fixedly connected to the rear side of the left and right side walls of the inner cavity of the water intake channel 100. A water intake pump 131 is fixedly connected between the inner side walls of the water diversion platform 130. A filter net 140 is fixedly connected to the front side of the left and right side walls of the inner cavity of the water intake channel 100. The discs 310 are grouped in groups of three, and several groups are provided. The angle between the connecting beam 210 and the inner wall of the water intake channel 100 is 35° to 40°. The power gear 222 and the driven gear 320 are both umbrella gears. The connecting beam 210 installed between the piers 200 is tilted to form a certain angle with the flowing seawater, and the horizontal rotating shaft is driven by the variable frequency motor 220 221 rotates, and the horizontal rotating shaft 221 drives the power gear 222 to run. At the same time, under the meshing rotation of the power gear 222 and the driven gear 320, the horizontal rotating shaft 221 rotates and the multiple vertical rotating shafts 300 also rotate accordingly. The vertical rotating shaft 300 drives the turntable 310 to rotate counterclockwise, and the multiple groups of turntables 310 drive the vertical plate 311 to rotate, thereby increasing the area of the stirred water body, and guiding the marine organisms to the side of the water intake open channel 100 where the recovery net 120 is provided. The recovery net 120 collects the marine organisms and marine garbage that cannot be filtered by the filter net 140, so that the garbage and marine organisms entering the open channel can be effectively guided to the recovery net, reducing the migration of floating garbage and marine organisms in the open channel to the water intake pump room, and avoiding blockage of the pump room.
[0032] In specific use, when the technical personnel in this field use the filtering guide device to filter the marine organisms in the nuclear power plant water intake open channel, the water intake pump 131 of the nuclear power plant is started. When the water intake pump 131 takes water, the water body inside the water intake open channel 100 flows, and water is taken under the action of the water diversion platform 130. At the same time, the filter net 140 on the left side of the water intake open channel performs the first filtration on the marine organisms and garbage in the seawater, and the marine organisms and garbage that cannot be filtered flow into the water intake open channel. At the same time, the variable frequency motor 220 is started to drive the horizontal shaft 221 to rotate, and the horizontal shaft 221 drives the power gear 222 to rotate. The plurality of vertical shafts 300 also rotate accordingly when the power gear 222 and the driven gear 320 mesh and rotate, and the vertical shafts 300 drive the turntable 310 to rotate counterclockwise, and the plurality of turntables 310 drive the vertical plates 311 to rotate, thereby increasing the area of the agitated water body, and guiding the marine organisms to the side of the water intake open channel 100 where the recovery net 120 is provided. The marine organisms and marine garbage that cannot be filtered by the filter net 140 are centrally recovered through the recovery net 120, and the marine organisms and garbage in the recovery net 120 are cleaned regularly.
[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0034] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed by the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A method for filtering marine organisms in an open channel for nuclear power water intake using a matrix turntable guide system, characterized in that: The following steps are involved: Step 1: installing an outer filter (140) at the outermost side of the water intake channel (100) of the nuclear power plant; Step 2: a plurality of piers (200) are evenly arranged on both sides of an open channel (100) for taking in seawater cooling water of a nuclear power plant; Step 3: arranging filtering guide devices at several parallel positions across the cross section of the water intake open channel, with the two ends of the filtering device being fixed on two piers (200) at diagonally opposite positions respectively; Step 4: A recovery net (120) is provided on the water outlet side of the filtering guide device to collect the garbage collected by the rotating disc (310).
2. A method for filtering marine organisms in an open channel for nuclear power water intake using a matrix turntable guide system, characterized in that: The invention relates to a device for filtering marine organisms in an open channel for water intake of a nuclear power plant by using a matrix turntable type guide system. The device for filtering marine organisms in an open channel for water intake of a nuclear power plant by using a matrix turntable type guide system comprises an open channel for water intake (100) and a filtering and water diversion device. The filtering and water diversion device comprises: a pier (200) and a vertical rotating shaft (300). The pier (200) is fixedly connected to the front and rear sides of the top of the open channel for water intake (100). The piers (200) are arranged in sequence from front to back. The vertical rotating shaft (300) Located inside the water intake open channel (100), a support shaft platform (110) is provided at the bottom of the inner cavity of the water intake open channel (100), two of the piers (200) form a group, and a plurality of groups are provided, and each group of the piers (200) is arranged in sequence from front to back, and a connecting beam (210) is fixedly connected between the inner side walls of each group of the piers (200), and a variable frequency motor (220) is fixedly connected to the right side wall of the inner cavity of the connecting beam (210), and the variable frequency motor (220) ) is fixedly connected to a transverse rotating shaft (221) at the left end of the power output shaft, the left end of the transverse rotating shaft (221) is rotatably connected to the left wall of the inner cavity of the connecting beam (210), the outer wall of the transverse rotating shaft (221) is fixedly connected to a power gear (222), and the power gears (222) are arranged in sequence from left to right, the bottom end of the vertical rotating shaft (300) is rotatably connected to the top of the supporting shaft platform (110), and the outer wall of the vertical rotating shaft (300) is fixedly connected to the left wall of the inner cavity of the connecting beam (210). A circular disk (310) is fixedly connected, and the circular disks (310) are arranged in sequence from top to bottom. The left and right side walls of the circular disk (310) are fixedly connected with vertical plates (311). The top end of the vertical rotating shaft (300) passes through the connecting beam (210) and extends to the inner cavity of the connecting beam (210). The top end of the vertical rotating shaft (300) is fixedly connected with a driven gear (320), and the driven gear (320) is meshed and rotated with the power gear (222).
3. The method for filtering marine organisms in open channels for nuclear power water intake by a matrix turntable guidance system according to claim 2, characterized in that: A recovery net (120) is fixedly connected to the right side wall of the inner cavity of the water intake open channel (100) and located at the rear side of the connection beam (210).
4. The method for filtering marine organisms in nuclear power water intake open channel by matrix turntable guidance system according to claim 2, characterized in that: A water intake platform (130) is fixedly connected to the rear sides of the left and right side walls of the inner cavity of the water intake open channel (100), a water intake pump (131) is fixedly connected between the inner side walls of the water intake platform (130), and a filter screen (140) is fixedly connected to the front sides of the left and right side walls of the inner cavity of the water intake open channel (100).
5. The method for filtering marine organisms in nuclear power water intake open channel by matrix turntable guidance system according to claim 2, characterized in that: The disks (310) are grouped in groups of three, and a plurality of groups are provided.
6. The method for filtering marine organisms in open channels of nuclear power water intake by a matrix turntable guide system according to claim 2, characterized in that: The angle between the connecting beam (210) and the inner wall of the water intake open channel (100) is 35° to 40°.
7. The method for filtering marine organisms in nuclear power water supply open channel by matrix turntable guidance system according to claim 2, characterized in that: The power gear (222) and the driven gear (320) are both bevel gears.