CN113073621A - Underwater trash rack trash removal device and underwater trash removal method using same - Google Patents

Underwater trash rack trash removal device and underwater trash removal method using same Download PDF

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Publication number
CN113073621A
CN113073621A CN202110205585.0A CN202110205585A CN113073621A CN 113073621 A CN113073621 A CN 113073621A CN 202110205585 A CN202110205585 A CN 202110205585A CN 113073621 A CN113073621 A CN 113073621A
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China
Prior art keywords
trash rack
water
cleaning equipment
underwater
trash
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CN202110205585.0A
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Chinese (zh)
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洪盛荣
陈启春
邓仕路
张惠明
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Sichuan Orient Hydroelectric Equipment and Engineering Co Ltd
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Sichuan Orient Hydroelectric Equipment and Engineering Co Ltd
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Priority to CN202110205585.0A priority Critical patent/CN113073621A/en
Publication of CN113073621A publication Critical patent/CN113073621A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/06—Barriers therefor construed for applying processing agents or for collecting pollutants, e.g. absorbent
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10—Devices for removing the material from the surface
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10—Devices for removing the material from the surface
    • E02B15/104—Conveyors; Paddle wheels; Endless belts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10—Devices for removing the material from the surface
    • E02B15/106—Overflow skimmers with suction heads; suction heads

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

本发明公开了水下拦污栅清污设备及利用该设备的水下清污方法，设备包括本体、辊子、吸水叶轮装置、卸料电动缸、开口销和收集框；收集框设置在本体后端并与本体相连，在本体上设有辊子，当水下拦污栅清污设备处于工作状态时，辊子始终保持与拦污栅的栅面接触；在本体内安装有吸水叶轮装置，通过吸水叶轮的高速旋转，拦污栅后的水会反向流到拦污栅前并被吸入清污设备内，吸附在拦污栅上的漂浮物就会在反向流动水流的带动下脱离拦污栅并和水流一起被吸入清污设备，最终被水带入收集框内进行收集。本发明解决在发电机组不停机情况下拦污栅上漂浮物清理效果极差、影响发电和机组安全的问题，挽回了现有技术中需发电机组停机进行拦污栅清理的停机损失。

Figure 202110205585

The invention discloses an underwater trash rack cleaning equipment and an underwater cleaning method using the equipment. The equipment includes a main body, a roller, a water suction impeller device, an electric discharge cylinder, a split pin and a collection frame; the collection frame is arranged behind the main body. The end is connected to the main body, and the main body is provided with rollers. When the underwater trash rack cleaning equipment is in working state, the rollers always keep in contact with the grating surface of the trash rack; With the high-speed rotation of the impeller, the water behind the trash rack will flow reversely to the trash rack and be sucked into the cleaning equipment. The grid is sucked into the cleaning equipment together with the water flow, and is finally carried into the collection frame by the water for collection. The invention solves the problem that the cleaning effect of the floating objects on the trash rack is extremely poor and affects the power generation and the safety of the unit when the generator set is not shut down, and restores the shutdown loss of the prior art that the generator set needs to be shut down to clean the trash rack.

Figure 202110205585

Description

Underwater trash rack trash removal device and underwater trash removal method using same
Technical Field
The invention relates to the technical field of trash rack trash removal equipment, in particular to underwater trash rack trash removal equipment and an underwater trash removal method using the same.
Background
In the water conservancy, hydropower and nuclear power industry, especially in the nuclear power industry, the trash rack mainly has the function of intercepting floating objects in water and provides guarantee for a cold source of a nuclear power station. After a long time, various weeds and plastic flexible floaters are adsorbed on the trash rack bars, and various shellfish are attached on the floaters to grow, so that the blocking area of the trash rack is gradually enlarged, and once the trash rack is blocked in a large area, the normal operation of the nuclear power station is seriously influenced. At present, related equipment for removing flexible floating objects adsorbed on the grid bars of the trash rack is still lacked in China.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides the underwater trash rack trash removal equipment and the underwater trash removal method using the equipment, can realize that a generator set can clean floating objects on a trash rack under the conditions that the generator set does not stop and the trash rack does not lift out of the water, and recovers the power generation loss caused by the fact that the generator set needs to stop to clean the trash rack in the prior art.
The purpose of the invention is realized by the following technical scheme:
the underwater trash rack trash cleaning equipment comprises a body, rollers, a water absorption impeller device and a collecting frame; the collecting frame is arranged at the rear end of the body and connected with the body, the body is provided with a roller, and when the underwater trash rack trash cleaning equipment is in a working state, the roller is always in contact with the surface of the trash rack; the body is internally provided with a water absorption impeller device, the water absorption impeller of the water absorption impeller device rotates at a high speed, water behind the trash rack can reversely flow to the front of the trash rack and is sucked into the trash cleaning equipment, and floating objects adsorbed on the trash rack can be driven by the reversely flowing water flow to separate from the trash rack and be sucked into the trash cleaning equipment together with the water flow, and finally are taken into the collection frame by water to be collected.
Further, a lifting lug is arranged on the body.
Furthermore, the lifting device comprises a lifting rope, and the lifting rope is connected with the lifting lug.
Further, the rollers include upper and lower rollers.
Further, the collecting frame is provided with a water through hole.
Further, a counterweight is mounted on the body.
Further, the collecting frame is provided with a material baffle plate.
Further, a discharging electric cylinder and a split pin are provided.
The underwater trash removal method using the underwater trash rack trash removal equipment comprises the following steps:
s1, connecting a lifting rope with the lifting lug by an operator, lowering the underwater trash rack cleaning equipment from the opening of the trash rack, always keeping the upper and lower rollers of the rollers in contact with the grid surface of the trash rack in the lowering process, enabling the water inlet of the underwater trash rack cleaning equipment to be close to the trash rack surface, stopping lowering when the water absorption impeller device in the underwater trash rack cleaning equipment completely enters water, and entering the step S2;
s2, starting the water-absorbing impeller device, slowly lowering the underwater trash rack trash cleaning equipment, enabling the water-absorbing impeller of the water-absorbing impeller device to rotate at a high speed, enabling water behind the trash rack to reversely flow to the front of the trash rack and be sucked into the trash cleaning equipment, enabling floating objects adsorbed on the trash rack to be separated from the trash rack under the driving of the reversely flowing water flow and be sucked into the trash cleaning equipment together with the water flow, finally being taken into a collecting frame by the water to be collected, and enabling the floating objects to be accumulated in the collecting frame after being taken to the collecting frame by utilizing the fact that water passing holes are formed in the four sides of the collecting frame;
and S3, after the floating objects collected by the underwater trash rack trash cleaning equipment reach a certain degree, the operator lifts the underwater trash rack trash cleaning equipment out of the water surface, closes the water suction impeller device, continues lifting the underwater trash rack trash cleaning equipment above the trash rack hole, takes out the locking cotter pin of the collection frame, and starts the discharging electric cylinder until the floating objects are discharged from the collection frame.
The invention has the beneficial effects that:
the invention can realize that the generator set cleans the floating objects on the trash rack without stopping and lifting the trash rack out of the water, and recovers the power generation loss of the prior art that the generator set needs to stop to clean the trash rack. Specifically, through the high-speed rotation of the water absorption impeller, water behind the trash rack can reversely flow to the front of the trash rack and is absorbed into the trash cleaning equipment, floating objects absorbed on the trash rack can be driven by the reversely flowing water flow to be separated from the trash rack and absorbed into the trash cleaning equipment together with the water flow, and finally are carried into the collection frame by water to be collected. The invention solves the problems that the cleaning effect of floaters on the trash rack is extremely poor and the power generation and the unit safety are influenced under the condition that the generator set does not stop, and the shutdown loss caused by the fact that the generator set needs to stop to clean the trash rack in the prior art is overcome.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and 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 these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a roller structure according to an embodiment of the present invention;
FIG. 3 is a flow chart of method steps in an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following. All of the features disclosed in this specification, or all of the steps of a method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features and/or steps are used.
As shown in fig. 1 to 3, comprises a body 101, a roller 200, a water suction impeller device 203 and a collection frame 202; the collecting frame 202 is arranged at the rear end of the body 101 and connected with the body 101, the roller 200 is arranged on the body 101, and when the underwater trash rack trash cleaning equipment is in a working state, the roller 200 is always kept in contact with the surface of the trash rack 100; the water absorption impeller device 203 is installed in the body 101, the water absorption impeller of the water absorption impeller device 203 rotates at a high speed, water behind the trash rack flows to the front of the trash rack in a reverse direction and is absorbed into the trash cleaning equipment, floating objects absorbed on the trash rack are driven by the reverse flowing water flow to separate from the trash rack and are absorbed into the trash cleaning equipment together with the water flow, and finally the floating objects are carried into the collection frame 202 by water to be collected.
In an optional embodiment, a lifting lug is arranged on the body.
An optional embodiment comprises a lifting rope, wherein the lifting rope is connected with the lifting lug.
In an alternative embodiment, the rollers comprise upper and lower rollers.
In an alternative embodiment, the collecting frame is provided with water through holes.
In an alternative embodiment, a counterweight is mounted on the body.
In an alternative embodiment, the collecting frame is provided with a striker plate.
In an alternative embodiment, a discharge electric cylinder 204 and a cotter pin 201 are provided.
As shown in fig. 3, the underwater cleaning method using the above underwater trash rack cleaning device comprises the following steps:
s1, connecting the lifting rope 301 with the lifting lug by an operator, lowering the underwater trash rack cleaning equipment from the opening of the trash rack, always keeping the upper and lower rollers of the roller 200 in contact with the grid surface of the trash rack in the lowering process, enabling the water inlet of the underwater trash rack cleaning equipment to be close to the grid surface of the trash rack, stopping lowering when the water absorption impeller device 203 in the underwater trash rack cleaning equipment completely enters water, and entering the step S2;
s2, starting the water absorption impeller device 203, slowly lowering the underwater trash rack trash cleaning equipment, enabling the water absorption impeller of the water absorption impeller device 203 to rotate at a high speed, enabling water behind the trash rack to reversely flow to the front of the trash rack and be sucked into the trash cleaning equipment, enabling floating objects adsorbed on the trash rack to be separated from the trash rack under the driving of the reversely flowing water flow and be sucked into the trash cleaning equipment together with the water flow, finally being taken into a collection frame by the water to be collected, utilizing the four sides of the collection frame 202 to be provided with water through holes, and enabling the floating objects to be taken to the collection frame 202 and then to be accumulated in the frame;
s3, when the floating objects collected by the underwater trash rack cleaning equipment reach a certain degree, the operator lifts the underwater trash rack cleaning equipment out of the water surface, closes the water suction impeller device 203, continues lifting above the trash rack hole, takes out the locking cotter pin 201 of the collection frame 202, and starts the discharging electric cylinder 204 until the floating objects are discharged from the collection frame.
In other embodiments of the invention, the underwater trash rack cleaning apparatus is implemented as a trash remover. Be provided with the trash cleaning machine body in this embodiment, absorb water impeller device, collect frame, roller, striker plate, counter weight, electronic jar etc. of unloading, the theory of operation of this embodiment is: an operator connects the lifting rope with the lifting lug of the trash remover, slowly lowers the trash remover from the hole of the trash rack, and in the lowering process, the upper and lower rollers of the trash remover are always kept in contact with the surface of the trash rack, the water inlet of the trash remover is close to the surface of the trash rack, when the water suction impeller device in the trash remover completely enters water, the water suction impeller device is started, the blades of the water suction impeller device rotate at high speed, floaters on the trash rack at the water inlet of the trash remover are sucked into the collecting frame at the tail part of the trash remover, because the four sides of the collecting frame are provided with the water holes, the floating objects are carried to the collecting frame and then are accumulated in the frame, when the floaters collected by the trash remover reach a certain degree, an operator lifts the trash remover out of the water surface, closes the water suction impeller device, continues to lift the trash remover above the trash rack hole, takes out the locking cotter pin of the collection frame, and starts the discharging electric cylinder until the floaters are discharged from the collection frame. By adopting the embodiment of the invention, the problem that the floating objects on the trash rack are cleaned under the condition that the generator set does not stop and the trash rack does not lift out of the water surface can be solved, and the cost for cleaning the trash rack by stopping the generator set in the prior art is saved.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

Claims (9)

1.水下拦污栅清污设备，其特征在于，包括本体（101）、辊子（200）、吸水叶轮装置（203）、和收集框（202）；收集框（202）设置在本体（101）后端并与本体（101）连接，在本体（101）上设置有辊子（200），当水下拦污栅清污设备处于工作状态时，辊子（200）始终保持与拦污栅（100）的栅面接触；在本体（101）内安装有吸水叶轮装置（203），通过吸水叶轮装置（203）的吸水叶轮高速旋转，拦污栅后的水会反向流到拦污栅前并被吸入清污设备内，吸附在拦污栅上的漂浮物就会在反向流动水流的带动下脱离拦污栅并和水流一起被吸入清污设备，最终被水带入收集框（202）内进行收集。1. Underwater trash rack cleaning equipment, characterized in that it comprises a main body (101), a roller (200), a water-absorbing impeller device (203), and a collection frame (202); the collection frame (202) is arranged on the main body (101) ) at the rear end and is connected with the main body (101), and a roller (200) is arranged on the main body (101). ) is in contact with the grid surface of ); a water-absorbing impeller device (203) is installed in the body (101), and the water-absorbing impeller of the water-absorbing impeller device (203) rotates at a high speed, and the water behind the trash rack will flow in the reverse direction to the front of the trash rack. After being sucked into the cleaning equipment, the floating objects adsorbed on the trash rack will be separated from the trash rack by the reverse flow of water and be sucked into the cleaning equipment together with the water flow, and finally be brought into the collection box by the water (202). collected within. 2.根据权利要求1所述的水下拦污栅清污设备，其特征在于，在所述本体（101）上设置有吊耳。2 . The underwater trash rack cleaning equipment according to claim 1 , wherein a lifting lug is provided on the main body ( 101 ). 3 . 3.根据权利要求2所述的水下拦污栅清污设备，其特征在于，包括起吊绳（301），起吊绳（301）与所述吊耳连接。3. The underwater trash rack cleaning equipment according to claim 2, characterized in that it comprises a hoisting rope (301), and the hoisting rope (301) is connected with the lifting lug. 4.根据权利要求1或3所述的水下拦污栅清污设备，其特征在于，所述辊子（200）包括上、下辊子。4. The underwater trash rack cleaning equipment according to claim 1 or 3, wherein the rollers (200) comprise upper and lower rollers. 5.根据权利要求4所述水下拦污栅清污设备，其特征在于，所述收集框（202）设置有过水孔。5. The underwater trash rack cleaning equipment according to claim 4, characterized in that, the collecting frame (202) is provided with a water passage hole. 6.根据权利要求5所述水下拦污栅清污设备，其特征在于，在本体（101）上安装有配重（102）。6. The underwater trash rack cleaning equipment according to claim 5, characterized in that a counterweight (102) is installed on the body (101). 7.利用权利要求1~3任一所述水下拦污栅清污设备，其特征在于，所述收集框（202）设置有挡料板。7. Using the underwater trash rack cleaning equipment according to any one of claims 1 to 3, characterized in that, the collection frame (202) is provided with a baffle plate. 8.利用权利要求1~3任一所述水下拦污栅清污设备，其特征在于，设置有卸料电动缸（204）和开口销（201）。8. Utilizing the underwater trash rack cleaning equipment according to any one of claims 1 to 3, characterized in that, a discharge electric cylinder (204) and a cotter pin (201) are provided. 9.利用权利要求5所述水下拦污栅清污设备的水下清污方法，其特征在于，包括如下步骤：9. utilize the underwater cleaning method of the described underwater trash rack cleaning equipment of claim 5, is characterized in that, comprises the steps: S1，操作人员将起吊绳（301）与吊耳连接，将水下拦污栅清污设备从拦污栅孔口下放，下放过程中始终保持辊子（200）的上下辊子与拦污栅的栅面接触，水下拦污栅清污设备的进水口靠近拦污栅栅面，当水下拦污栅清污设备内的吸水叶轮装置（203）完全入水时停止下放，进入步骤S2；S1, the operator connects the hoisting rope (301) to the lifting lug, lowers the underwater trash rack cleaning equipment from the trash rack orifice, and always keeps the upper and lower rollers of the roller (200) and the trash rack grid during the lowering process. Surface contact, the water inlet of the underwater trash rack cleaning equipment is close to the trash rack surface, when the water suction impeller device (203) in the underwater trash rack cleaning equipment is completely in water, stop lowering, and enter step S2; S2，开启吸水叶轮装置（203），并缓慢下放该水下拦污栅清污设备，吸水叶轮装置（203）的吸水叶轮高速旋转，拦污栅后的水会反向流到拦污栅前并被吸入清污设备内，吸附在拦污栅上的漂浮物就会在反向流动水流的带动下脱离拦污栅并和水流一起被吸入清污设备，最终被水带入收集框内进行收集，利用收集框（202）的四面均设置有过水孔，漂浮物被带到收集框（202）后便堆积于框内；S2, open the water suction impeller device (203), and slowly lower the underwater trash rack cleaning equipment, the water suction impeller of the water suction impeller device (203) rotates at a high speed, and the water behind the trash rack will flow in the reverse direction to the front of the trash rack And sucked into the cleaning equipment, the floating objects adsorbed on the trash rack will be separated from the trash rack with the reverse flow of water and be sucked into the cleaning equipment together with the water flow, and finally be brought into the collection frame by the water. For collection, the four sides of the collection frame (202) are provided with water passage holes, and the floating objects are brought to the collection frame (202) and then accumulated in the frame; S3，当水下拦污栅清污设备收集的漂浮物到达一定程度后，操作人员将水下拦污栅清污设备提升出水面后关闭吸水叶轮装置（203），然后继续提升至拦污栅孔口上方后取出收集框（202）的锁紧开口销（201），启动卸料电动缸（204）直至将漂浮物从收集框（202）内卸掉为止。S3, when the floating objects collected by the underwater trash rack cleaning equipment reach a certain level, the operator lifts the underwater trash rack cleaning equipment out of the water, closes the suction impeller device (203), and then continues to lift to the trash rack Take out the locking cotter pin (201) of the collecting frame (202) after the orifice, and activate the unloading electric cylinder (204) until the floating objects are removed from the collecting frame (202).
CN202110205585.0A 2021-02-24 2021-02-24 Underwater trash rack trash removal device and underwater trash removal method using same Pending CN113073621A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH718635A1 (en) * 2021-05-17 2022-11-30 Wirz Felix Hydroelectric expansion machine to generate electricity.

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Publication number Priority date Publication date Assignee Title
CN106480863A (en) * 2016-09-26 2017-03-08 清华大学 A kind of floating on water matter collection device
CN106759199A (en) * 2017-03-14 2017-05-31 唐水深 Trash and its cleaning method before a kind of grid
CN108755602A (en) * 2018-08-08 2018-11-06 上海勘测设计研究院有限公司 A kind of trash block system
CN110965536A (en) * 2019-12-20 2020-04-07 大连理工大学 Fixed water area gathering floater automatic processing suction clearing device
CN111119146A (en) * 2019-12-24 2020-05-08 清华大学 An automatic collection device for flexible floating objects on the water surface based on the principle of jet flow
CN210797443U (en) * 2019-09-12 2020-06-19 四川东方水利智能装备工程股份有限公司 Device for cleaning trash rack hole

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106480863A (en) * 2016-09-26 2017-03-08 清华大学 A kind of floating on water matter collection device
CN106759199A (en) * 2017-03-14 2017-05-31 唐水深 Trash and its cleaning method before a kind of grid
CN108755602A (en) * 2018-08-08 2018-11-06 上海勘测设计研究院有限公司 A kind of trash block system
CN210797443U (en) * 2019-09-12 2020-06-19 四川东方水利智能装备工程股份有限公司 Device for cleaning trash rack hole
CN110965536A (en) * 2019-12-20 2020-04-07 大连理工大学 Fixed water area gathering floater automatic processing suction clearing device
CN111119146A (en) * 2019-12-24 2020-05-08 清华大学 An automatic collection device for flexible floating objects on the water surface based on the principle of jet flow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH718635A1 (en) * 2021-05-17 2022-11-30 Wirz Felix Hydroelectric expansion machine to generate electricity.

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Application publication date: 20210706