CN111624013B - Test platform for testing performance of online dredging device at bottom of outer inlet and inner outlet type drum net - Google Patents
Test platform for testing performance of online dredging device at bottom of outer inlet and inner outlet type drum net Download PDFInfo
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- 238000001914 filtration Methods 0.000 claims description 33
- 238000004062 sedimentation Methods 0.000 claims description 14
- 230000014759 maintenance of location Effects 0.000 claims description 12
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- 238000013461 design Methods 0.000 abstract description 10
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
本发明公开了一种测试外进内出型鼓网底部在线清淤装置性能的试验平台，包括试验基坑，所述试验基坑的顶部设置有平面支撑板，所述平面支撑板上设置有多个支撑柱，所述多个支撑柱的顶端之间设置有操作平台，所述试验基坑内设置有淤积斗，所述淤积斗的顶面高于平面支撑板的顶面，所述淤积斗的顶面设置有淤积斗进出口，所述操作平台上向下设置有清淤通道，所述清淤通道的底端与淤积斗进出口相连通，所述清淤通道的通道口上方吊装有清淤装置，所述清淤装置可沿清淤通道内壁进入淤积斗中，对淤积模拟物进行抽吸清理。本发明可以验证鼓网底部在线清淤装置的整体性能，同时也可提前发现鼓网底部在线清淤装置在设计上的不足和运行时可能遇到的问题。
The present invention discloses a test platform for testing the performance of an online silting device for the bottom of an outside-in and inside-out drum net, comprising a test pit, a plane support plate is arranged on the top of the test pit, a plurality of support columns are arranged on the plane support plate, an operating platform is arranged between the tops of the plurality of support columns, a silting bucket is arranged in the test pit, the top surface of the silting bucket is higher than the top surface of the plane support plate, a silting bucket inlet and outlet are arranged on the top surface of the silting bucket, a silting channel is arranged downward on the operating platform, the bottom end of the silting channel is connected to the silting bucket inlet and outlet, a silting device is hoisted above the channel opening of the silting channel, and the silting device can enter the silting bucket along the inner wall of the silting channel to suction and clean the silting simulation. The present invention can verify the overall performance of the online silting device for the bottom of the drum net, and can also discover in advance the design deficiencies of the online silting device for the bottom of the drum net and the problems that may be encountered during operation.
Description
技术领域Technical Field
本发明属于核电厂循环水过滤排污技术领域，具体涉及一种测试外进内出型鼓网底部在线清淤装置性能的试验平台。The invention belongs to the technical field of circulating water filtration and sewage discharge in nuclear power plants, and in particular relates to a test platform for testing the performance of an outside-in and inside-out drum net bottom online silt removal device.
背景技术Background Art
鼓形滤网作为核电厂冷源安防系统纵深防御体系中防御海生物的最后一级大型过滤设备，其性能直接决定了核电厂冷源安全性。通过对在运核电厂“外进内出”和“内进外出”两种类型鼓形滤网抵御海生物侵袭的能力对比分析及经验反馈，“外进内出”型鼓形滤网在海生物防控方面优势明显。The drum filter is the last large-scale filtering equipment in the defense-in-depth system of the cold source security system of nuclear power plants to prevent marine organisms. Its performance directly determines the safety of the cold source of nuclear power plants. Through comparative analysis and experience feedback on the ability of the two types of drum filters in operation, "outside in and inside out" and "inside in and outside" to resist the invasion of marine organisms, the "outside in and inside out" type drum filter has obvious advantages in the prevention and control of marine organisms.
在外进内出型鼓形滤网的循环水系统中，水流中比重较大的杂物沉积在鼓网底部流道上，不能被鼓网捞污板带走，在鼓网底部流道上淤积，淤积过多会影响鼓网的正常运行。通常情况下，鼓网底部流道在一个大修周期淤积的海生物约为15吨左右，淤积物主要是青口贝、藤壶等海生物，淤积位置主要在鼓网正下方背水侧流道上，堆积范围约为4×1.5米。据此，设计开发外进内出型鼓网底部在线清淤装置十分有必要。In the circulating water system of the outside-in and inside-out drum filter, the debris with a larger specific gravity in the water flow is deposited on the bottom flow channel of the drum net, and cannot be taken away by the drum net scoop plate. It accumulates on the bottom flow channel of the drum net. Excessive accumulation will affect the normal operation of the drum net. Under normal circumstances, the marine organisms that accumulate in the bottom flow channel of the drum net in one overhaul cycle are about 15 tons. The sediments are mainly marine organisms such as mussels and barnacles. The sedimentation location is mainly on the backwater side flow channel directly below the drum net, and the accumulation range is about 4×1.5 meters. Based on this, it is very necessary to design and develop an online silt removal device for the bottom of the outside-in and inside-out drum net.
在外进内出型鼓网底部在线清淤装置设计开发过程中，需要制造样机进行性能试验，以验证鼓网底部在线清淤装置的性能，用于结构设计参数与运行参数的优化，然而，鼓网在线清淤装置无法在核电站运行现场进行性能验证以及各项运行试验，故需在工厂内按照核电鼓网底部流道实际结构1:1设计和制造用于测试外进内出型鼓网底部在线清淤装置性能的试验平台。During the design and development process of the outside-in, inside-out type drum net bottom online dredging device, it is necessary to manufacture a prototype for performance testing to verify the performance of the drum net bottom online dredging device for the optimization of structural design parameters and operating parameters. However, the drum net online dredging device cannot be performance verified and various operating tests are carried out at the nuclear power plant operation site. Therefore, it is necessary to design and manufacture a test platform for testing the performance of the outside-in, inside-out type drum net bottom online dredging device in the factory according to the actual structure of the nuclear power drum net bottom flow channel at a ratio of 1:1.
发明内容Summary of the invention
本发明的目的在于提供一种测试外进内出型鼓网底部在线清淤装置性能的试验平台，以解决上述背景技术中提出的鼓网在线清淤装置无法在核电站运行现场进行性能验证以及各项运行试验，无法提前发现鼓网底部在线清淤装置在设计上的不足和运行时可能遇到的问题。The purpose of the present invention is to provide a test platform for testing the performance of an outside-in, inside-out type drum net bottom online dredging device, so as to solve the problem that the drum net online dredging device proposed in the above background technology cannot be subjected to performance verification and various operation tests at the operation site of a nuclear power plant, and cannot discover in advance the design deficiencies of the drum net bottom online dredging device and the problems that may be encountered during operation.
的问题。problem.
为实现上述目的，本发明提供如下技术方案：一种测试外进内出型鼓网底部在线清淤装置性能的试验平台，包括试验基坑，所述试验基坑的顶部设置有平面支撑板，所述平面支撑板的顶面上设置有多个支撑柱，所述多个支撑柱的顶端之间设置有操作平台，所述试验基坑内设置有淤积斗，所述淤积斗用于放置各种形态的淤积模拟物，所述淤积斗的顶面高于平面支撑板的顶面，所述淤积斗的顶面设置有淤积斗进出口，所述操作平台上向下设置有清淤通道，所述清淤通道的底端与淤积斗进出口相连通，所述清淤通道的通道口上方吊装有清淤装置，所述清淤装置可沿清淤通道内壁进入淤积斗中，对淤积模拟物进行抽吸清理。To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a test platform for testing the performance of an online dredging device at the bottom of an outside-in and inside-out drum net, comprising a test pit, a plane support plate is arranged on the top of the test pit, a plurality of support columns are arranged on the top surface of the plane support plate, an operating platform is arranged between the top ends of the plurality of support columns, a siltation bucket is arranged in the test pit, the siltation bucket is used to place siltation simulations of various forms, the top surface of the siltation bucket is higher than the top surface of the plane support plate, a siltation bucket inlet and outlet are arranged on the top surface of the siltation bucket, a siltation channel is arranged downwardly on the operating platform, the bottom end of the siltation channel is connected to the siltation bucket inlet and outlet, a siltation device is hoisted above the channel opening of the siltation channel, and the siltation device can enter the siltation bucket along the inner wall of the siltation channel to suction and clean the siltation simulation.
更进一步的，所述清淤装置包括保持框，所述保持框内设置有清淤总成，所述清淤总成包括依次连接的抽吸机构、水流减速机构、分级过滤机构、垃圾收集器以及卸料机构，所述抽吸机构与分级过滤机构左右布置，所述水流减速机构设置于抽吸机构与分级过滤机构之间，所述垃圾收集器和卸料机构依次设置于分级过滤机构下方，Furthermore, the dredging device includes a holding frame, a dredging assembly is arranged in the holding frame, and the dredging assembly includes a suction mechanism, a water flow deceleration mechanism, a graded filtering mechanism, a garbage collector and a discharge mechanism connected in sequence, the suction mechanism and the graded filtering mechanism are arranged on the left and right, the water flow deceleration mechanism is arranged between the suction mechanism and the graded filtering mechanism, and the garbage collector and the discharge mechanism are arranged below the graded filtering mechanism in sequence.
所述抽吸机构用于对淤积模拟物进行抽吸作业，所述抽吸机构包括自上至下依次连接的抽吸中枢、抽吸管路和抽吸头组件；The suction mechanism is used to perform suction operation on the sedimentation simulation, and the suction mechanism includes a suction center, a suction pipeline and a suction head assembly connected in sequence from top to bottom;
所述水流减速机构用于对流经其内部的水流进行减速处理；The water flow deceleration mechanism is used to decelerate the water flow passing through it;
所述分级过滤机构用于对流经其内部的水流中夹带的淤积模拟物进行分级过滤，所述分级过滤机构包括网笼，所述网笼内设置有多个过滤网室；The grading filtration mechanism is used to grade and filter the sedimentation simulants carried in the water flowing through the inside thereof, and the grading filtration mechanism comprises a mesh cage, and a plurality of filtration mesh chambers are arranged in the mesh cage;
所述垃圾收集器用于收集积累在分级过滤机构内的淤积模拟物；The garbage collector is used to collect the siltation simulant accumulated in the graded filtering mechanism;
所述卸料机构用于对收集的淤积模拟物进行卸放。The unloading mechanism is used to discharge the collected sedimentation simulant.
更进一步的，所述淤积斗的顶面设置有人孔门。Furthermore, a manhole door is provided on the top surface of the siltation bucket.
更进一步的，所述淤积斗的底部设置有放水阀。Furthermore, a drain valve is provided at the bottom of the siltation bucket.
更进一步的，所述淤积斗的内壁设置有多个淤积斗摄像头。Furthermore, the inner wall of the siltation bucket is provided with a plurality of siltation bucket cameras.
更进一步的，所述淤积斗的内壁还设置有多个探灯。Furthermore, the inner wall of the siltation bucket is also provided with a plurality of searchlights.
更进一步的，所述清淤通道的通道口处设置有支撑滚轮导向座和电气滞留框导向板。Furthermore, a support roller guide seat and an electrical retention frame guide plate are provided at the channel opening of the dredging channel.
更进一步的，所述清淤通道的底端与淤积斗的进出口之间设置有密封垫。Furthermore, a sealing gasket is provided between the bottom end of the silt removal channel and the inlet and outlet of the siltation bucket.
更进一步的，所述操作平台上设置有护栏。Furthermore, a guardrail is provided on the operating platform.
更进一步的，所述平面支撑板的一侧设置有安装于地面上的控制柜。Furthermore, a control cabinet installed on the ground is provided on one side of the planar support plate.
与现有技术相比，本发明提供了一种测试外进内出型鼓网底部在线清淤装置性能的试验平台，具备以下有益效果：Compared with the prior art, the present invention provides a test platform for testing the performance of an outside-in, inside-out drum net bottom online silt removal device, which has the following beneficial effects:
1.本发明为鼓网底部在线清淤装置提供了可靠的性能验证场所，可在设计开发阶段提前发现底部清淤装置在结构设计和参数设计上的问题，便于改进优化，在减少性能试验方面经济投入的同时，为底部清淤装置原型设备在核电厂实际运行中增加了可靠性，极大地减少了现场的维修次数；1. The present invention provides a reliable performance verification site for the drum net bottom online desilting device, which can discover the problems of the bottom desilting device in structural design and parameter design in advance during the design and development stage, facilitate improvement and optimization, and reduce the economic investment in performance testing. At the same time, it increases the reliability of the prototype equipment of the bottom desilting device in the actual operation of the nuclear power plant, greatly reducing the number of on-site maintenance;
2.本发明不仅可以测试鼓网底部在线清淤装置的清淤性能和收集性能，而且可以检测整套装置运动部件、清扫部件以及柔性部件工作的可靠性；2. The present invention can not only test the silting performance and collection performance of the online silting device at the bottom of the drum net, but also detect the reliability of the working of the moving parts, cleaning parts and flexible parts of the whole set of devices;
3.本发明中淤积斗侧面的倾斜角度同核电厂现场的土建保持一致，可真实模拟底部清淤装置在现场的工作过程，可提前发现诸如抽吸管路下降受阻，抽吸头磨损等问题；3. The inclination angle of the side of the silt bucket in the present invention is consistent with the civil engineering on site of the nuclear power plant, which can truly simulate the working process of the bottom silt removal device on site, and can discover problems such as obstruction of the suction pipeline descent and wear of the suction head in advance;
4.清淤装置通过该试验平台进行若干次清淤试验，可摸索出清淤装置的运行规律，为实际运行参数的设置提供参考依据；4. The silt removal device can be tested several times on the test platform to find out the operation rules of the silt removal device and provide a reference for the setting of actual operation parameters;
5.本发明中淤积斗内设置若干个水下探灯和水下摄像头，并且水下摄像头配置专业的图像处理技术，水下视距提升可达50％，可在浑浊水条件下拍摄出整套清淤装置运行过程的清晰视频，为后期产品的推广和宣传提供素材；5. In the present invention, a number of underwater searchlights and underwater cameras are arranged in the siltation bucket, and the underwater cameras are equipped with professional image processing technology, the underwater viewing distance can be increased by 50%, and a clear video of the operation process of the whole set of silt removal device can be taken under turbid water conditions, providing materials for the promotion and publicity of the later products;
6.应用本发明的试验平台可进行不同种类淤积物的清淤试验，对开发针对不同类型污物的清淤装置提供可能。6. The test platform of the present invention can be used to conduct dredging tests on different types of silt, providing the possibility for developing dredging devices for different types of sewage.
7.本发明中的各部件均易于安装和拆卸，可为其他水处理设备的性能试验提供场所。7. Each component in the present invention is easy to install and disassemble, and can provide a place for performance testing of other water treatment equipment.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例一起用于解释本发明，并不构成对本发明的限制，在附图中：The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
图1为本发明提出的一种测试外进内出型鼓网底部在线清淤装置性能的试验平台；FIG1 is a test platform for testing the performance of an outside-in, inside-out drum net bottom online silt removal device proposed by the present invention;
图2为图1的侧视图；FIG2 is a side view of FIG1 ;
图3为清淤装置的结构示意图；FIG3 is a schematic structural diagram of a silt removal device;
图4为图3中去除抽吸机构之后的侧视图；FIG4 is a side view of FIG3 after the suction mechanism is removed;
图5为图3中抽吸头组件的结构示意图；FIG5 is a schematic structural diagram of the suction head assembly in FIG3 ;
图6为图3中水流减速机构的实施例一结构示意图；FIG6 is a schematic structural diagram of a first embodiment of the water flow deceleration mechanism in FIG3 ;
图7为图3中水流减速机构的实施例二结构示意图；FIG7 is a schematic structural diagram of a second embodiment of the water flow deceleration mechanism in FIG3 ;
图8为图3中水流减速机构的实施例三结构示意图；FIG8 is a schematic structural diagram of a third embodiment of the water flow deceleration mechanism in FIG3 ;
图9为图3中卸料机构的结构示意图；FIG9 is a schematic structural diagram of the unloading mechanism in FIG3 ;
图10为图3中支撑机构的结构示意图；FIG10 is a schematic structural diagram of the support mechanism in FIG3 ;
图11为图3中清扫机构的结构示意图。FIG. 11 is a schematic structural diagram of the cleaning mechanism in FIG. 3 .
图中：In the figure:
试验基坑1；Test pit 1;
平面支撑板2；Plane support plate 2;
支撑柱3；Support column 3;
操作平台4；Operation platform 4;
淤积斗5；Silt bucket 5;
清淤通道6；Desilting channel 6;
清淤装置7；安置平台701；保持框702；抽吸机构703；抽吸中枢703.1；抽吸管路703.2；抽吸头组件703.3；抽吸头703.3.1；法兰连接部703.3.2；锥形块703.3.3；防撞滚轮703.3.4；抽吸机构摄像头703.3.5；安装座703.4；快速接头703.5；水流减速机构704；第一圆柱段704.1；圆锥段704.2；第二圆柱段704.3；第三圆柱段704.4；棱柱段704.5；矩形段704.6；缓冲板704.7；分级过滤机构705；网笼705.1；过滤网板705.2；过滤网室705.3；分级过滤机构检测开关705.4；垃圾收集器706；卸料机构707；壳体707.1；转动轴707.2；翻转板707.3；进料口707.4；出料口707.5；支撑机构708；第一导向座708.1；第一伸缩支架708.2；支撑滚轮708.3；第一弹簧708.4；清扫机构709；第二导向座709.1；第二伸缩支架709.2；清扫块709.3；第二弹簧709.4；专用吊具710；电气滞留框711；电缆升降机构712；电缆卷筒712.1；电缆换向轮712.2；卷筒支架712.3；电控柜713；定位销714；Desilting device 7; placement platform 701; holding frame 702; suction mechanism 703; suction center 703.1; suction pipeline 703.2; suction head assembly 703.3; suction head 703.3.1; flange connection 703.3.2; conical block 703.3.3; anti-collision roller 703.3.4; suction mechanism camera 703.3.5; mounting seat 703.4; quick connector 703.5; water flow deceleration mechanism 704; first cylindrical section 704.1; conical section 704.2; second cylindrical section 704.3; third cylindrical section 704.4; prismatic section 704.5; rectangular section 704.6; buffer plate 704.7; graded filtering mechanism 705; mesh cage 705.1; filter mesh plate 705.2; filter mesh chamber 70 5.3; detection switch of graded filtering mechanism 705.4; garbage collector 706; unloading mechanism 707; housing 707.1; rotating shaft 707.2; flip plate 707.3; feeding port 707.4; discharging port 707.5; supporting mechanism 708; first guide seat 708.1; first telescopic bracket 708.2; supporting roller 708.3; first spring 708.4; cleaning mechanism 709; second guide seat 709.1; second telescopic bracket 709.2; cleaning block 709.3; second spring 709.4; special hanger 710; electrical retention frame 711; cable lifting mechanism 712; cable drum 712.1; cable reversing wheel 712.2; drum bracket 712.3; electric control cabinet 713; positioning pin 714;
爬梯8；Ladder 8;
人孔门9；Manhole door 9;
观察窗10；Observation window 10;
加强框11；Strengthen frame 11;
支撑座12；Support seat 12;
放水阀13；Drain valve 13;
支撑滚轮导向座14；Support roller guide seat 14;
电气滞留框导向板15；Electrical retention frame guide plate 15;
护栏16；Guardrail 16;
淤积斗摄像头17；Silt bucket camera 17;
探灯18；Searchlight 18;
控制柜19；Control cabinet 19;
密封垫20。Sealing gasket 20.
具体实施方式DETAILED DESCRIPTION
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。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.
请参阅图1-图11，本发明提供一种技术方案：一种测试外进内出型鼓网底部在线清淤装置性能的试验平台，包括试验基坑1，所述试验基坑1的顶部设置有平面支撑板2，所述平面支撑板2的顶面上设置有多个支撑柱3，所述多个支撑柱3的顶端之间设置有操作平台4，所述试验基坑1内设置有淤积斗5，所述淤积斗5用于放置各种形态的淤积模拟物，所述淤积斗5的顶面高于平面支撑板2的顶面，所述淤积斗5的顶面设置有淤积斗进出口，所述操作平台4上向下设置有清淤通道6，所述清淤通道6的底端与淤积斗进出口相连通，所述清淤通道6的通道口上方吊装有清淤装置7，所述清淤装置7可沿清淤通道6内壁进入淤积斗5中，对淤积模拟物进行抽吸清理；Please refer to Figures 1 to 11. The present invention provides a technical solution: a test platform for testing the performance of an online silting device for the bottom of an outside-in and inside-out drum net, comprising a test pit 1, a plane support plate 2 is arranged on the top of the test pit 1, a plurality of support columns 3 are arranged on the top surface of the plane support plate 2, an operating platform 4 is arranged between the tops of the plurality of support columns 3, a siltation bucket 5 is arranged in the test pit 1, the siltation bucket 5 is used to place siltation simulation objects in various forms, the top surface of the siltation bucket 5 is higher than the top surface of the plane support plate 2, a siltation bucket inlet and outlet are arranged on the top surface of the siltation bucket 5, a siltation channel 6 is arranged downward on the operating platform 4, the bottom end of the siltation channel 6 is connected to the siltation bucket inlet and outlet, a siltation device 7 is hoisted above the channel opening of the siltation channel 6, and the siltation device 7 can enter the siltation bucket 5 along the inner wall of the siltation channel 6 to suction and clean the siltation simulation objects;
所述试验基坑1为实现试验人员在车间内进行起吊试验，以及降低操作平台的整体高度的混凝土试验基坑；The test pit 1 is a concrete test pit that enables test personnel to carry out lifting tests in the workshop and lower the overall height of the operating platform;
所述淤积斗5为模拟实际鼓网网室底部的背水侧流道的淤积坑，所述淤积斗5由多块钢板拼焊而成，保证淤积斗5与实际淤积坑的结构和尺寸一致；The siltation bucket 5 is a siltation pit simulating the backwater side flow channel at the bottom of the actual drum net net room. The siltation bucket 5 is welded from multiple steel plates to ensure that the structure and size of the siltation bucket 5 are consistent with the actual siltation pit;
所述淤积斗5的内设置有爬梯8，便于试验人员攀爬进入淤积斗5底部；A ladder 8 is provided inside the siltation bucket 5 to facilitate the test personnel to climb into the bottom of the siltation bucket 5;
所述淤积斗5的顶面设置有人孔门9，所述人孔门9位于爬梯8的正上方，便于试验人员进入淤积斗5检修和调整试验设备；A manhole door 9 is provided on the top surface of the silt bucket 5, and the manhole door 9 is located directly above the ladder 8, so that the test personnel can enter the silt bucket 5 to inspect and adjust the test equipment.
所述淤积斗5上设置有观察窗10，所述观察窗10设置有两个，其中一个观察窗10设置于淤积斗5的顶面，另外一个观察窗10设置于淤积斗5的侧面，以便于试验人员多角度观察试验情况；The siltation bucket 5 is provided with an observation window 10, and two observation windows 10 are provided, one of which is provided on the top surface of the siltation bucket 5, and the other observation window 10 is provided on the side of the siltation bucket 5, so that the test personnel can observe the test situation from multiple angles;
所述淤积斗5的外侧壁设置有加强框11，用于进一步加强淤积斗5刚强度，保证淤积斗5在水压作用下不发生变形和泄漏；The outer side wall of the silt bucket 5 is provided with a reinforcement frame 11, which is used to further strengthen the rigidity of the silt bucket 5 and ensure that the silt bucket 5 does not deform or leak under the action of water pressure;
所述淤积斗5的外侧壁与平面支撑板2的顶面之间设置有支撑座12，用于支撑整个试验平台；A support seat 12 is provided between the outer side wall of the siltation bucket 5 and the top surface of the planar support plate 2 to support the entire test platform;
所述淤积斗5的底部设置有放水阀13，用于排放试验用水；A drain valve 13 is provided at the bottom of the siltation bucket 5 for discharging the test water;
所述淤积斗5的内壁设置有多个淤积斗摄像头17，所述淤积斗摄像头17采用水下浑浊水摄像头，可在水下对整个试验设备进行多角度拍摄和监测；The inner wall of the silt bucket 5 is provided with a plurality of silt bucket cameras 17, and the silt bucket cameras 17 are underwater turbid water cameras, which can perform multi-angle photography and monitoring of the entire test equipment underwater;
所述淤积斗5的内壁还设置有多个探灯18，以保证淤积斗5与清淤通道6内部的明亮度；The inner wall of the silt bucket 5 is also provided with a plurality of searchlights 18 to ensure the brightness inside the silt bucket 5 and the silt removal channel 6;
所述清淤通道6为模拟实际鼓网网室旁侧的清淤通道，所述清淤通道6由板材和型材拼焊而成；The desilting channel 6 is a desilting channel simulating the actual drum net net room side, and the desilting channel 6 is welded by plate and profile;
所述清淤通道6的通道口处设置有支撑滚轮导向座14和电气滞留框导向板15，便于清淤装置7轻松进入清淤通道6内；A support roller guide seat 14 and an electrical retention frame guide plate 15 are provided at the channel opening of the desilting channel 6, so that the desilting device 7 can easily enter the desilting channel 6;
所述清淤通道6的底端与淤积斗5的进出口之间设置有密封垫20，可保证淤积斗5与清淤通道6的连接密封性；A sealing gasket 20 is provided between the bottom end of the desilting channel 6 and the inlet and outlet of the silting bucket 5 to ensure the sealing performance of the connection between the silting bucket 5 and the desilting channel 6;
所述操作平台4上设置有护栏16，防止试验人员坠落；The operating platform 4 is provided with a guardrail 16 to prevent the test personnel from falling;
所述平面支撑板2的一侧设置有安装于地面上的控制柜19，用于控制试验平台内所有电气设备，以及监控和记录整个试验过程；A control cabinet 19 mounted on the ground is provided on one side of the planar support plate 2, which is used to control all electrical equipment in the test platform and monitor and record the entire test process;
所述清淤装置7包括保持框702，所述保持框702内设置有清淤总成，所述清淤总成包括依次连接的抽吸机构703、水流减速机构704、分级过滤机构705、垃圾收集器706以及卸料机构707，The desilting device 7 includes a holding frame 702, in which a desilting assembly is arranged. The desilting assembly includes a suction mechanism 703, a water flow deceleration mechanism 704, a graded filtering mechanism 705, a garbage collector 706 and a discharge mechanism 707 which are connected in sequence.
所述抽吸机构703用于对淤积坑内的淤积物(淤积斗5内的淤积模拟物)进行抽吸；The suction mechanism 703 is used to suck the sediment in the sedimentation pit (the sedimentation simulant in the sedimentation bucket 5);
所述抽吸机构703设置于保持框702的左段，所述抽吸机构703包括自上至下依次连接的抽吸中枢703.1、抽吸管路703.2和抽吸头组件703.3，所述抽吸中枢703.1设置于保持框702的内部，所述抽吸管路703.2和抽吸头组件703.3设置于保持框702的下方，所述抽吸中枢703.1通过安装座703.4安装于保持框702内部的底面上，所述抽吸管路703.2的一端通过快速接头703.5与抽吸中枢703.1的底端相连接，所述抽吸管路703.2的另一端与抽吸头组件703.3通过法兰连接；The suction mechanism 703 is arranged at the left section of the holding frame 702, and the suction mechanism 703 includes a suction hub 703.1, a suction pipeline 703.2 and a suction head assembly 703.3 which are sequentially connected from top to bottom, the suction hub 703.1 is arranged inside the holding frame 702, the suction pipeline 703.2 and the suction head assembly 703.3 are arranged below the holding frame 702, the suction hub 703.1 is installed on the bottom surface inside the holding frame 702 through a mounting seat 703.4, one end of the suction pipeline 703.2 is connected to the bottom end of the suction hub 703.1 through a quick connector 703.5, and the other end of the suction pipeline 703.2 is connected to the suction head assembly 703.3 through a flange;
所述抽吸头组件703.3包括抽吸头703.3.1，所述抽吸头703.3.1为口径自上至下渐扩的圆锥状结构，所述抽吸头703.3.1的顶端设置有法兰连接部703.3.2，所述抽吸头703.3.1的底端沿其圆周方向均匀设置有多个锥形块703.3.3，多个锥形块703.3.3有利于抽吸头703.3.1深入淤积物，与淤积物充分接触，对淤积物进行有效抽吸；The suction head assembly 703.3 includes a suction head 703.3.1, which is a conical structure with a diameter gradually expanding from top to bottom. A flange connection portion 703.3.2 is provided at the top of the suction head 703.3.1, and a plurality of conical blocks 703.3.3 are evenly provided along the circumferential direction of the bottom end of the suction head 703.3.1. The plurality of conical blocks 703.3.3 are conducive to the suction head 703.3.1 to penetrate into the sediment, fully contact with the sediment, and effectively suck the sediment;
所述淤积斗5的底面尺寸大于抽吸头703.3.1的尺寸，以便抽吸头703.3.1充分与淤积物接触，进行有效抽吸；The bottom surface size of the silt bucket 5 is larger than that of the suction head 703.3.1, so that the suction head 703.3.1 can fully contact the silt and effectively suck it;
所述抽吸头703.3.1外壁的下部环设有多个间隔布置的防撞滚轮703.3.4，所述防撞滚轮703.3.4用于防止抽吸头703.3.1在升降过程中与清淤通道6的壁面发生撞击、摩擦而受到损害；The lower part of the outer wall of the suction head 703.3.1 is provided with a plurality of anti-collision rollers 703.3.4 arranged at intervals, and the anti-collision rollers 703.3.4 are used to prevent the suction head 703.3.1 from being damaged by collision and friction with the wall of the dredging channel 6 during the lifting process;
所述抽吸头703.3.1外壁设置有抽吸机构摄像头703.3.5，所述抽吸机构摄像头703.3.5用于即时传送清淤作业前端画面，便于地面人员及时掌握抽吸情况，以判断是否需要进行下一次清淤作业；The outer wall of the suction head 703.3.1 is provided with a suction mechanism camera 703.3.5, which is used to instantly transmit the front-end image of the dredging operation, so that the ground personnel can grasp the suction situation in time to determine whether the next dredging operation is needed;
所述抽吸中枢703.1是清淤装置7的动力驱动核心，其可根据不同的水质、淤积物种类、淤积物尺寸、安装布置需求选择适合类型的抽吸泵；The suction center 703.1 is the power driving core of the silt removal device 7, and a suitable type of suction pump can be selected according to different water quality, silt type, silt size, and installation and layout requirements;
所述快速接头703.5可采用两端开闭式、两端开放式、单路开闭式等结构，用于抽吸管路703.2与抽吸中枢703.1之间的快速拆装，具有装拆动作简单、节约时间和人力的特点，由于抽吸管路703.2尺寸较长，使用快速接头703.5可使清淤装置7的起吊不受厂房高度限制，维修调整便捷；The quick connector 703.5 can be of two-end opening and closing type, two-end opening type, single-way opening and closing type, etc., and is used for quick disassembly and assembly between the suction pipeline 703.2 and the suction hub 703.1. It has the characteristics of simple assembly and disassembly, saving time and manpower. Since the suction pipeline 703.2 is relatively long, the use of the quick connector 703.5 can make the lifting of the silt removal device 7 not limited by the height of the plant, and the maintenance and adjustment are convenient;
所述抽吸管路703.2可采用2-3m长度的橡胶软管。The suction pipeline 703.2 can adopt a rubber hose with a length of 2-3m.
所述水流减速机构704用于对流经其内部的水流进行减速处理，防止高速水流对分级过滤机构705中的部件产生较大冲击，延长其使用寿命；The water flow deceleration mechanism 704 is used to decelerate the water flow passing through it, so as to prevent the high-speed water flow from having a large impact on the components in the graded filtering mechanism 705, thereby extending its service life;
所述水流减速机构704包括减速管，所述减速管沿水流方向包括依次连接的进水段、过渡段和出水段，The water flow deceleration mechanism 704 includes a deceleration pipe, which includes a water inlet section, a transition section and a water outlet section connected in sequence along the water flow direction.
所述减速管可采用下述的三种结构以实现对流经其内部的水流进行减速处理的目的；The deceleration pipe can adopt the following three structures to achieve the purpose of decelerating the water flow passing through it;
实施例一、所述减速管沿水流方向包括依次连接的第一圆柱段704.1、口径渐扩的圆锥段704.2和第二圆柱段704.3；Embodiment 1: The deceleration pipe includes a first cylindrical section 704.1, a conical section 704.2 with a gradually expanding diameter, and a second cylindrical section 704.3 which are connected in sequence along the water flow direction;
实施例二、所述减速管沿水流方向包括依次连接的第三圆柱段704.4、口径渐扩的棱柱段704.5和矩形段704.6；Embodiment 2: The deceleration pipe includes a third cylindrical section 704.4, a prism section 704.5 with a gradually expanding diameter, and a rectangular section 704.6 which are connected in sequence along the water flow direction;
实施例三、本实施例与实施例二的区别在于：所述矩形段704.6内设置有两块对称布置的缓冲板704.7，所述两块缓冲板704.7呈八字形布置。Embodiment 3: The difference between this embodiment and embodiment 2 is that two symmetrically arranged buffer plates 704.7 are provided in the rectangular section 704.6, and the two buffer plates 704.7 are arranged in an eight-shaped shape.
所述分级过滤机构705用于对流经其内部的水流中夹带的淤积物进行分级过滤，所述分级过滤机构705设置于保持框702的右段，所述分级过滤机构705包括网笼705.1，所述网笼705.1的左壁面设置有进口，所述网笼705.1的底面设置有出口，所述网笼705.1内设置有多块左右平行的过滤网板705.2，多块过滤网板705.2将网笼705.1的内腔分隔成多个过滤网室705.3，所述多块过滤网板705.2的过滤精度自左至右越来越高；The grading filter mechanism 705 is used to grade and filter the silt entrained in the water flowing through the inside thereof. The grading filter mechanism 705 is arranged at the right section of the holding frame 702. The grading filter mechanism 705 comprises a mesh cage 705.1. The left wall surface of the mesh cage 705.1 is provided with an inlet. The bottom surface of the mesh cage 705.1 is provided with an outlet. The mesh cage 705.1 is provided with a plurality of left and right parallel filter mesh plates 705.2. The plurality of filter mesh plates 705.2 divide the inner cavity of the mesh cage 705.1 into a plurality of filter mesh chambers 705.3. The filtering accuracy of the plurality of filter mesh plates 705.2 increases from left to right.
优选的，靠近网笼705.1进口的过滤网室705.3的顶部设置有分级过滤机构检测开关705.4，用于实时检测该过滤网室内的淤积物量；Preferably, a graded filtering mechanism detection switch 705.4 is provided at the top of the filter screen chamber 705.3 near the inlet of the mesh cage 705.1, for real-time detection of the amount of sediment in the filter screen chamber;
所述多块过滤网板705.2可根据淤积物类型、淤积物尺寸选择不同网孔形状、不同网孔分布方式、不同网孔过滤精度的网板。The plurality of filter screens 705.2 may be selected to have screens with different mesh shapes, different mesh distribution patterns, and different mesh filtering accuracies according to the type and size of the sediment.
所述垃圾收集器706设置于分级过滤机构705的下方，用于收集积累在分级过滤机构705内的淤积物。The garbage collector 706 is disposed below the graded filtering mechanism 705 and is used to collect the sludge accumulated in the graded filtering mechanism 705 .
所述卸料机构707设置于垃圾收集器706的下方，用于对收集的淤积物进行卸放，所述卸料机构707包括壳体707.1，所述壳体707.1的顶端设置有进料口707.4，所述壳体707.1的底端设置有出料口707.5，所述壳体707.1内设置有纵向布置的转动轴707.2，所述转动轴707.2的一端设置有动力源，所述转动轴707.2上设置有翻转板707.3，所述翻转板707.3可绕转动轴707.2进行上下90°旋转；The unloading mechanism 707 is arranged below the garbage collector 706 and is used to discharge the collected sediment. The unloading mechanism 707 includes a shell 707.1. The top of the shell 707.1 is provided with a feed port 707.4. The bottom of the shell 707.1 is provided with a discharge port 707.5. A longitudinally arranged rotating shaft 707.2 is arranged inside the shell 707.1. A power source is arranged at one end of the rotating shaft 707.2. A flip plate 707.3 is arranged on the rotating shaft 707.2. The flip plate 707.3 can rotate 90° up and down around the rotating shaft 707.2.
所述翻转板707.3上设置有重力感应器，用于检测每一次清淤作业清除的淤积物重量，同时可依据重量检测对卸污信号进行复核，防止分级过滤机构检测开关705.4误动作。The flip plate 707.3 is provided with a gravity sensor for detecting the weight of the sediment removed in each dredging operation. At the same time, the discharge signal can be reviewed based on the weight detection to prevent the graded filtering mechanism detection switch 705.4 from malfunctioning.
所述保持框702由角钢组焊拼装而成，用于清淤总成中其他部件的固定保持；The retaining frame 702 is assembled by welding angle steels and is used to fix and retain other components in the dredging assembly;
所述保持框702外壁的上部环设有多个支撑机构708，所述支撑机构708可防止清淤装置7在升降过程中保持框702与清淤通道6内壁面发生碰撞、摩擦导致损坏，所述支撑机构708包括沿保持框702径向布置的第一导向座708.1，所述第一导向座708.1外端与保持框702的内壁之间通过螺栓连接，所述第一导向座708.1内设置有第一伸缩支架708.2，所述第一伸缩支架708.2的内端与第一导向座708.1的内端之间设置有第一弹簧708.4，所述第一伸缩支架708.2的外端穿过保持框702的壁面且伸出，所述第一伸缩支架708.2的外端设置有竖向布置的支撑滚轮708.3；A plurality of support mechanisms 708 are provided around the upper part of the outer wall of the holding frame 702, and the support mechanisms 708 can prevent the holding frame 702 from colliding with or rubbing against the inner wall of the silting channel 6 during the lifting process of the silting device 7, resulting in damage. The support mechanisms 708 include a first guide seat 708.1 radially arranged along the holding frame 702, the outer end of the first guide seat 708.1 is connected to the inner wall of the holding frame 702 by bolts, a first telescopic bracket 708.2 is provided in the first guide seat 708.1, a first spring 708.4 is provided between the inner end of the first telescopic bracket 708.2 and the inner end of the first guide seat 708.1, the outer end of the first telescopic bracket 708.2 passes through the wall of the holding frame 702 and extends out, and a vertically arranged support roller 708.3 is provided at the outer end of the first telescopic bracket 708.2;
优选的，所述保持框702外壁的上部环设有两排支撑机构708，每排支撑机构708包括四个支撑机构708，四个支撑机构708分别位于保持框702的前侧、左侧、后侧和右侧。Preferably, two rows of support mechanisms 708 are arranged around the upper portion of the outer wall of the retaining frame 702 , and each row of support mechanisms 708 includes four support mechanisms 708 , which are respectively located at the front, left, rear and right sides of the retaining frame 702 .
所述保持框702外壁的下部环设有多个清扫机构709，所述多个支撑机构708分别与多个清扫机构709上下相对应布置，所述清扫机构709包括沿保持框702径向布置的第二导向座709.1，所述第二导向座709.1外端与保持框702的内壁之间通过螺栓连接，所述第二导向座709.1内设置有第二伸缩支架709.2，所述第二伸缩支架709.2的内端与第二导向座709.1的内端之间设置有第二弹簧709.4，所述第二伸缩支架709.2的外端穿过保持框702的壁面且伸出，所述第二伸缩支架709.2的外端设置有清扫块709.3；A plurality of cleaning mechanisms 709 are provided around the lower part of the outer wall of the holding frame 702, and the plurality of supporting mechanisms 708 are respectively arranged corresponding to the plurality of cleaning mechanisms 709 up and down, and the cleaning mechanism 709 comprises a second guide seat 709.1 arranged radially along the holding frame 702, the outer end of the second guide seat 709.1 is connected to the inner wall of the holding frame 702 by bolts, a second telescopic bracket 709.2 is provided in the second guide seat 709.1, a second spring 709.4 is provided between the inner end of the second telescopic bracket 709.2 and the inner end of the second guide seat 709.1, the outer end of the second telescopic bracket 709.2 passes through the wall surface of the holding frame 702 and extends out, and a cleaning block 709.3 is provided at the outer end of the second telescopic bracket 709.2;
优选的，所述清扫机构709设置有四个，四个清扫机构709分别位于保持框702的前侧、左侧、后侧和右侧；Preferably, four cleaning mechanisms 709 are provided, and the four cleaning mechanisms 709 are respectively located at the front side, left side, rear side and right side of the holding frame 702;
所述清扫块709.3与支撑滚轮708.3在清淤装置7升降过程中的运动轨迹重合，当该装置下降时，清扫块709.3可为支撑滚轮708.3刮除清淤通道6内壁面上生长的藻类植物等障碍，保证支撑滚轮708.3发挥其作用；The movement trajectory of the cleaning block 709.3 and the supporting roller 708.3 during the lifting and lowering process of the silting device 7 coincides. When the device is lowered, the cleaning block 709.3 can scrape away obstacles such as algae growing on the inner wall surface of the silting channel 6 for the supporting roller 708.3, ensuring that the supporting roller 708.3 plays its role;
所述保持框702的顶面设置有专用吊具710，所述专用吊具710具有自平衡功能，用以解决起吊过程中各吊点受力不均的问题，保证清淤装置7的起吊过程的平稳性，提高作业安全性；The top surface of the holding frame 702 is provided with a special lifting device 710, and the special lifting device 710 has a self-balancing function to solve the problem of uneven force on each lifting point during the lifting process, ensure the stability of the lifting process of the dredging device 7, and improve the safety of the operation;
所述清淤装置7还包括安置平台701，所述安置平台701通过螺栓连接固定于地面上，为待卸料的清淤装置7提供安置地点，所述安置平台701的下方可设置有垃圾运输小车；The desilting device 7 further includes a placement platform 701, which is fixed to the ground by bolts to provide a placement location for the desilting device 7 to be unloaded, and a garbage transport vehicle may be provided below the placement platform 701;
所述保持框702的底面设置有多个定位销714，所述定位销714用于保持框702放置在安置平台701上时起定位作用；The bottom surface of the holding frame 702 is provided with a plurality of positioning pins 714, and the positioning pins 714 are used for positioning the holding frame 702 when it is placed on the placement platform 701;
所述保持框702外设置有电气滞留框711，所述电气滞留框711可使得电控系统在清淤装置7需要浸入水中工作时仍可以发挥作用，有利于清淤装置7的安全清淤作业，所述电气滞留框711的外壁上设置有电缆升降机构712和电控柜713，所述电缆升降机构712包括上下布置的电缆卷筒712.1和电缆换向轮712.2，所述电缆卷筒712.1通过卷筒支架712.3安装于电气滞留框711的外壁上；An electrical retention frame 711 is arranged outside the retaining frame 702. The electrical retention frame 711 allows the electric control system to still function when the silting device 7 needs to be immersed in water for operation, which is beneficial to the safe silting operation of the silting device 7. A cable lifting mechanism 712 and an electric control cabinet 713 are arranged on the outer wall of the electrical retention frame 711. The cable lifting mechanism 712 includes a cable drum 712.1 and a cable reversing wheel 712.2 arranged up and down. The cable drum 712.1 is installed on the outer wall of the electrical retention frame 711 through a drum bracket 712.3.
所述电缆卷筒712.1采用电机驱动式卷筒，该形式的卷筒在卷取电缆时，电机输出力矩作为卷取得驱动力，带动卷盘收取电缆；在释放电缆时，电机输出力矩成为阻力，以防止电缆快速拉开卷盘，保证电缆与清淤装置7的同步性。The cable reel 712.1 is a motor-driven reel. When this type of reel reels in the cable, the motor output torque serves as the driving force for reeling in the cable. When releasing the cable, the motor output torque becomes a resistance to prevent the cable from quickly pulling the reel apart, thereby ensuring the synchronization of the cable and the dredging device 7.
一种测试外进内出型鼓网底部在线清淤装置性能的试验平台的试验方法：A test method for a test platform for testing the performance of an outside-in, inside-out drum net bottom online silt removal device:
首先，将青口贝、藤壶、泥沙等海生物按一定比例和重量配置成淤积模拟物，并将淤积模拟物从人孔门投进淤积斗内，关闭人孔门，然后通过清淤通道的通道口向淤积斗和清淤通道内注水至设定水位，上述步骤完成后即可模拟外进内出型鼓网底部流道淤积坑内的淤积情况；First, marine organisms such as mussels, barnacles, and mud are configured into siltation simulation objects according to a certain proportion and weight, and the siltation simulation objects are thrown into the siltation bucket from the manhole door, the manhole door is closed, and then water is injected into the siltation bucket and the siltation channel through the channel opening of the siltation channel to the set water level. After the above steps are completed, the siltation situation in the siltation pit at the bottom flow channel of the outside-in and inside-out drum net can be simulated;
将清淤装置吊入清淤通道内，缓慢下降，通过观察窗观察清淤装置所到达的位置后，启动清淤装置进行试验，与此同时，利用淤积斗摄像头拍摄清淤装置在水下运动的全过程以及淤积斗内淤积物的数量和状态，以便获取鼓网底部在线清淤装置的运动规律和清淤性能，为设备结构改进设计与运行参数的优化提供参考依据；The dredging device is hoisted into the dredging channel and slowly lowered. After observing the position reached by the dredging device through the observation window, the dredging device is started for testing. At the same time, the silt bucket camera is used to shoot the entire process of the dredging device moving underwater and the amount and state of the silt in the silt bucket, so as to obtain the movement law and dredging performance of the online dredging device at the bottom of the drum net, and provide a reference for the improvement of the equipment structure design and the optimization of the operating parameters;
其中，清淤装置的工作原理：Among them, the working principle of the dredging device:
将电气滞留框留置在清淤通道的通道口处，保持框沿清淤通道进行下放，当下放至淤积斗的进出口位置时，保持框停止下放动作，抽吸头继续下降至淤积斗底部；The electrical retention frame is retained at the channel opening of the silt removal channel, and the retention frame is lowered along the silt removal channel. When it is lowered to the inlet and outlet position of the siltation bucket, the retention frame stops lowering, and the suction head continues to descend to the bottom of the siltation bucket;
启动抽吸清淤作业，淤积模拟物与水的混合物经抽吸头、抽吸管路、抽吸中枢、水流减速机构到达分级过滤机构内，分级过滤机构针对不同尺寸等级的淤积模拟物进行多级过滤，由于其内部安装有分级过滤机构检测开关，当靠近进口的过滤网室内的淤积模拟物到达设定量时，分级过滤机构检测开关发出信号，抽吸清淤作业暂停，将保持框提升至清淤通道的通道口处等待卸污；Start the suction desilting operation, and the mixture of sedimentation simulant and water reaches the graded filtering mechanism through the suction head, suction pipeline, suction center, and water flow deceleration mechanism. The graded filtering mechanism performs multi-stage filtration for sedimentation simulants of different sizes. Since a graded filtering mechanism detection switch is installed inside, when the sedimentation simulant in the filter room near the inlet reaches the set amount, the graded filtering mechanism detection switch sends a signal, and the suction desilting operation is suspended, and the holding frame is lifted to the channel mouth of the desilting channel to wait for sewage unloading;
分级过滤机构内的淤积模拟物由于重力作用进入垃圾收集器中，经卸料机构将淤积模拟物进行卸放至固定存放点。The sedimentation simulation in the graded filtering mechanism enters the garbage collector due to gravity, and is discharged to a fixed storage point through the unloading mechanism.
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
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