WO2023178959A1 - Apparatus for studying deposition and scouring characteristics of suspended particles in urban sewage pipeline - Google Patents
Apparatus for studying deposition and scouring characteristics of suspended particles in urban sewage pipeline Download PDFInfo
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- WO2023178959A1 WO2023178959A1 PCT/CN2022/120462 CN2022120462W WO2023178959A1 WO 2023178959 A1 WO2023178959 A1 WO 2023178959A1 CN 2022120462 W CN2022120462 W CN 2022120462W WO 2023178959 A1 WO2023178959 A1 WO 2023178959A1
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- 239000002245 particle Substances 0.000 title claims abstract description 76
- 239000010865 sewage Substances 0.000 title claims abstract description 43
- 238000009991 scouring Methods 0.000 title claims abstract description 18
- 230000008021 deposition Effects 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000004062 sedimentation Methods 0.000 claims description 41
- 238000011010 flushing procedure Methods 0.000 claims description 26
- 239000013049 sediment Substances 0.000 claims description 11
- 238000002474 experimental method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 8
- 230000006872 improvement Effects 0.000 description 9
- 230000003628 erosive effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 244000035744 Hura crepitans Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/04—Investigating sedimentation of particle suspensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
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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
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
Definitions
- the present invention relates to the technical field of research on the sedimentation characteristics of suspended particles, and in particular, to a device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes.
- the drainage pipeline system plays an important role in collecting and transporting sewage. Its normal operation is of great importance to the stable development of the city. After the sewage in the pipeline is initially treated by the sewage treatment station, although large-sized particles can be filtered out, there are still suspended particles with smaller sizes in the treated sewage. These suspended particles will change when the flow elements in the pipeline change. , sedimentation and accumulation will occur, resulting in pipeline blockage. Therefore, it is very necessary to study the sedimentation and erosion characteristics of suspended particles in sewage pipes to solve the problem of pipeline blockage.
- the patent with publication number CN 114675003 A discloses an experimental device for studying the starting and flushing rate of urban sewage sediments, including a circulating pump, an experimental pool containing experimental water inside, and an experimental device related to the experiment. One end of the pool is connected to a circulating water tank.
- the experimental pool is provided with a sandbox for accommodating urban sewage sediment samples and a rotating device for adjusting the water flow rate, so that the urban sewage sediment samples inside the sandbox Starting and flushing are performed under the action of the rotating device, thereby obtaining the starting and flushing rates of urban sewage sedimentation samples under different time average flow rates.
- the above solution cannot measure the sedimentation samples in pipelines with different slopes that exist in practice. Flushing characteristics.
- the purpose of the present invention is to provide an easy-to-operate device for studying urban research through the free settlement of suspended particles, simulating the actual deposition of suspended particles in drainage pipes, and studying the sedimentation and erosion characteristics of suspended particles in drainage pipes at different slopes.
- the present invention provides a device for studying the sedimentation and scouring characteristics of suspended particles in urban sewage pipes, including an experimental water tank, an experimental pipeline connected to the experimental water tank, and a device disposed on the experimental pipeline.
- a detachable propulsion device for sample pickup and placement and an adjustment stand for adjusting the flushing angle of the experimental pipeline.
- the propulsion device is provided with a storage tank for free deposition of suspended particles.
- the experimental pipeline is also provided with a pressure sensor for detecting water pressure in the pipeline and an electromagnetic flowmeter for detecting water flow.
- the propulsion device is arranged behind the electromagnetic flowmeter according to the direction of water flow.
- the propulsion device is provided at the bottom of the experimental pipeline.
- the propulsion device also includes a lifting platform for supporting the lifting and lowering of the storage tank, and a screw rod connected to the lifting platform for transmitting the kinetic energy of the hand rod.
- the screw rod is connected with the hand rod.
- a transmission block is installed between the rods.
- the experimental pipeline includes a first pipeline, a second pipeline and a third pipeline connected in sequence, wherein the second pipeline has an arc design.
- a first rotation device and a pressure sensor are arranged in sequence on the first pipeline, and the pressure sensor is at least partially arranged in the experimental water; the electromagnetic flowmeter and the propulsion device are arranged on the third pipeline superior.
- the first rotating device is a drive motor with controllable rotational speed.
- the adjustment stand is provided with a fixed pulley for assisting in adjusting the height of the experimental pipeline, and the adjustment stand and the experimental pipeline are detachably connected.
- the experimental water tank includes an inlet water tank and an outlet water tank.
- the inlet water tank is connected to the first pipeline, and the outlet water tank is connected to the third pipeline.
- the principle of the controlled variable method is used to calculate the difference between the initial weight of the suspended particle sediment and the weight after the experiment by changing the angle of the experimental pipeline, the initial weight of the suspended particle sediment and the water flow rate in the pipeline. value, that is, the sedimentation and erosion characteristics of suspended particles in urban sewage in the pipeline within a specified time can be obtained.
- the device provided by the present invention for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipelines can monitor the actual water pressure and actual water flow rate in the experimental pipeline by arranging a pressure sensor and an electromagnetic flowmeter in the experimental pipeline, respectively. And setting the suspended particle experimental point in the third pipeline can ensure the stability of the water flow used to study the sedimentation and scouring characteristics of suspended particles.
- the design of placing suspended particles in the storage tank for free deposition can more truly reflect the deposition of suspended particles in actual drainage pipes and their erosion results than the conventional direct application of sediment. .
- the detachable design of the propulsion device is conducive to the handling of samples, so as to calculate the difference between the initial weight of suspended particles and the completed weight of the experiment, and to obtain the sedimentation and erosion characteristics of suspended particles; at the same time, it is also convenient to adjust parameters In order to obtain the scouring characteristics of suspended particle sedimentation under different conditions, it can be used to improve pipeline blockage caused by suspended particle sedimentation in practice.
- the present invention can adjust the slope of the experimental pipeline to simulate the different slopes of the sewage pipes in reality and measure the suspended particles in the sewage pipes under different slopes. Study on sedimentary scour characteristics.
- the present invention uses the weight difference of suspended particle sediments to study its scour characteristics in a simple calculation method. Combined with the detachable design of the sample pick-and-place device, that is, the propulsion device, it facilitates actual operation; it simulates the actual situation of suspended particle sedimentation. The setting of the storage slot enables the test results to reflect the real situation more accurately. At the same time, the overall device has a simple structure and is easy to operate.
- Figure 1 is a schematic structural diagram of a device provided by the present invention for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes.
- Figure 2 is a schematic structural diagram of a propulsion device in a device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes provided by the present invention.
- Figure 3 is a schematic diagram of the internal structure of the propulsion device in the device used to study the sedimentation and flushing characteristics of suspended particles in urban sewage pipes provided by the present invention.
- the invention provides a device for studying the sedimentation and scouring characteristics of suspended particles in urban sewage pipes, including an experimental water tank, an experimental pipeline connected to the experimental water tank, and a detachable device provided on the experimental pipeline for taking and placing samples.
- the propulsion device 42 and the adjustment stand 50 for adjusting the flushing angle of the experimental pipeline.
- the experimental water tank includes an inlet water tank 11 and an outlet water tank 12.
- the experimental pipeline includes a first pipeline 20, a second pipeline 30 and a third pipeline 40 connected in sequence. , the inlet water tank 11 is connected to the first pipeline 20, and the outlet water tank 12 is connected to the third pipeline 40.
- the second pipeline 30 is semicircular. In other embodiments of the present invention, the second pipeline 30 can adopt other annular shapes. Structures, such as donuts, rounded rectangular boxes, etc.
- the first pipeline 20 is sequentially provided with a servo motor 21 and a pressure sensor 22 that can control the rotation speed.
- a servo motor 21 By adjusting the rotation speed of the servo motor 21, water flows with different flow rates can be formed in the experimental pipeline to study different water flows.
- the pressure sensor 22 is partially installed in the experimental water for water pressure detection in the pipeline; the third pipeline 40 is provided with an electromagnetic flowmeter 41 and a propulsion device 42 in sequence for detection of water flow. and sample placement.
- the propulsion device 42 is detachably provided at the bottom of the third pipeline 40.
- the propulsion device 42 is provided with a storage tank 425 for free deposition of suspended particles in sewage, a lifting platform 424 for supporting the lifting of the storage tank 425, and a lifting platform. 424 is connected to the screw rod 423 for transmitting the kinetic energy of the hand rod 421.
- a transmission block 422 for converting the kinetic energy of the hand rod 421 and the potential energy of the storage slot 425 is installed between the screw rod 423 and the hand rod 421. Through the rotation of the hand rod 421, the Control the smooth lifting of the lifting platform 424 to adjust the height of the storage slot 425 .
- the adjustment bench 50 is detachably connected to the experimental pipeline.
- the adjustment bench 50 is provided with a fixed pulley 51 for assisting in adjusting the height of the experimental pipeline.
- the slope of the experimental pipeline can be adjusted according to experimental needs.
- a suspended particle sample of known mass is placed in the storage tank 425, and the suspended particles are deposited according to a preset time; after the deposition is completed, the propulsion device 42 is installed on the third pipeline 40, and the storage tank is adjusted through the hand lever 421.
- the present invention discloses a device for studying the sedimentation and scouring characteristics of suspended particles in urban sewage pipelines.
- the experimental pipeline can be adjusted.
- the slope is adjusted to simulate the different slopes of real sewage pipes, and the sedimentation and erosion characteristics of suspended particles in sewage pipes under different slopes are studied; in addition, the settings of the pressure sensor 22 and the electromagnetic flowmeter 41 can respectively monitor the flow rate in the experimental pipeline.
- Actual water pressure and actual water flow rate, and setting the suspended particle experimental point in the third pipeline 40 can ensure the stability of the water flow used to study the sedimentation and scouring characteristics of suspended particles.
- the design of placing suspended particles in the storage tank 425 for free deposition can more truly reflect the deposition of suspended particles in actual drainage pipes and their scouring results than the conventional direct application of sediment, and the propulsion device 42
- the detachable design is conducive to the handling of samples, such as taking and placing, so as to calculate the difference between the initial weight of suspended particles and the completed weight of the experiment, and obtain the washout volume data of suspended particles; at the same time, it is also convenient to adjust parameters to obtain different Sedimentation and scouring characteristics of suspended particles under conditions.
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Abstract
An apparatus for studying the deposition and scouring characteristics of suspended particles in an urban sewage pipeline. The apparatus comprises: experimental water tanks; an experimental pipeline, which is in communication with the experimental water tanks; and a propulsion apparatus (42) and an adjusting rack (50), which are arranged on the experimental pipeline, wherein the propulsion apparatus (42) is internally provided with a containing tank (425) for free deposition of suspended particles, and a suspended particle experimental point is set on a third pipeline (40) of the experimental pipeline. By means of the adjusting rack (50), the slope of the experimental pipeline can be adjusted to simulate different slopes of sewage pipelines in reality; the design of the containing tank (425) can simulate the deposition of suspended particles in actual drainage pipelines, and can more truly reflect the deposition and scouring characteristics of the suspended particles; and the location setting of the suspended particle experimental point can ensure the stability of a water flow configured to study the deposition and scouring characteristics of suspended particles. The apparatus studies the real deposition and scouring results of suspended particles in a pipeline, and can obtain the deposition and scouring characteristics of suspended particles under different conditions by adjusting parameters.
Description
本发明涉及悬浮颗粒的沉积特性研究技术领域，尤其涉及一种用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置。The present invention relates to the technical field of research on the sedimentation characteristics of suspended particles, and in particular, to a device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes.
现如今，可持续发展观念已深入人心，将城市经济和环境保护相互融合，也使得环境保护工程成为城市建设的重要部分之一，有助于改善当前城市环境，而城市污水处理是环境保护工程中的重要内容，因此，注重对城市污水的处理是十分紧迫的。Nowadays, the concept of sustainable development has been deeply rooted in the hearts of the people, integrating urban economy and environmental protection, making environmental protection projects an important part of urban construction, helping to improve the current urban environment, and urban sewage treatment is an environmental protection project Therefore, it is very urgent to pay attention to the treatment of urban sewage.
排水管道系统作为城市基础设施的重要组成部分，发挥着收集与输送污水的重要作用，其正常运行对城市稳定发展关系重大。管道中的污水经过污水处理站初步处理后，虽然能过滤掉大粒径的颗粒物，但处理后的污水中还存在粒径较小的悬浮颗粒物，这些悬浮颗粒物在管道内水流要素变化的情况下，会发生沉降堆积的现象，从而造成管道的淤堵。因此，研究污水管道中的悬浮颗粒物的沉积冲刷特性，以解决管道淤堵问题是十分有必要的。As an important part of urban infrastructure, the drainage pipeline system plays an important role in collecting and transporting sewage. Its normal operation is of great importance to the stable development of the city. After the sewage in the pipeline is initially treated by the sewage treatment station, although large-sized particles can be filtered out, there are still suspended particles with smaller sizes in the treated sewage. These suspended particles will change when the flow elements in the pipeline change. , sedimentation and accumulation will occur, resulting in pipeline blockage. Therefore, it is very necessary to study the sedimentation and erosion characteristics of suspended particles in sewage pipes to solve the problem of pipeline blockage.
现有技术中，公开号为CN 114675003 A的专利公开了一种用于研究城市污水沉淀物的起动与冲刷率的实验装置，包括循环泵、内部盛有实验水的实验水池以及与所述实验水池的一端相连通的循环水箱，所述实验水池内设置有用于容纳城市污水沉淀物样品的沙箱以及用于调节水流速率的旋转装置，使所述沙箱内部的所述城市污水沉淀物样品在所述旋转装置的作用下进行起动和冲刷，从而获得不同时均流速作用下城市污水物沉淀样品的起动与冲刷率，然而，上述方案不能测量实际中存在的不同坡度管道中的沉淀样品的冲刷特性。In the prior art, the patent with publication number CN 114675003 A discloses an experimental device for studying the starting and flushing rate of urban sewage sediments, including a circulating pump, an experimental pool containing experimental water inside, and an experimental device related to the experiment. One end of the pool is connected to a circulating water tank. The experimental pool is provided with a sandbox for accommodating urban sewage sediment samples and a rotating device for adjusting the water flow rate, so that the urban sewage sediment samples inside the sandbox Starting and flushing are performed under the action of the rotating device, thereby obtaining the starting and flushing rates of urban sewage sedimentation samples under different time average flow rates. However, the above solution cannot measure the sedimentation samples in pipelines with different slopes that exist in practice. Flushing characteristics.
有鉴于此，有必要设计一种用于研究城市污水管道中的悬浮颗粒沉积冲 刷特性的装置，以解决上述问题。In view of this, it is necessary to design a device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes to solve the above problems.
发明内容Contents of the invention
本发明的目的在于提供一种通过悬浮颗粒的自由沉降，模拟排水管道中悬浮颗粒的真实沉积情况，并对不同坡度下的排水管道中悬浮颗粒沉积冲刷特性进行研究的便于操作的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置。The purpose of the present invention is to provide an easy-to-operate device for studying urban research through the free settlement of suspended particles, simulating the actual deposition of suspended particles in drainage pipes, and studying the sedimentation and erosion characteristics of suspended particles in drainage pipes at different slopes. Device for flushing characteristics of suspended particle deposits in sewer pipes.
为实现上述发明目的，本发明提供了一种用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，包括实验水箱、与所述实验水箱连通的实验管线以及设置于所述实验管线上的用于样品取放的可拆卸式设置的推进装置和用于调整所述实验管线冲刷角度的调整台架，所述推进装置内设置有用于悬浮颗粒自由沉积的置物槽。In order to achieve the above-mentioned object of the invention, the present invention provides a device for studying the sedimentation and scouring characteristics of suspended particles in urban sewage pipes, including an experimental water tank, an experimental pipeline connected to the experimental water tank, and a device disposed on the experimental pipeline. A detachable propulsion device for sample pickup and placement and an adjustment stand for adjusting the flushing angle of the experimental pipeline. The propulsion device is provided with a storage tank for free deposition of suspended particles.
作为本发明的进一步改进，所述实验管线上还设置有用于管线中水压检测的压力传感器和水体流量检测的电磁流量计，所述推进装置按照水流方向设置在所述电磁流量计之后。As a further improvement of the present invention, the experimental pipeline is also provided with a pressure sensor for detecting water pressure in the pipeline and an electromagnetic flowmeter for detecting water flow. The propulsion device is arranged behind the electromagnetic flowmeter according to the direction of water flow.
作为本发明的进一步改进，所述推进装置设置于所述实验管线底部。As a further improvement of the present invention, the propulsion device is provided at the bottom of the experimental pipeline.
作为本发明的进一步改进，所述推进装置还包括用于支撑所述置物槽升降的升降台、与所述升降台连接的用于传递手杆动能的丝杆，所述丝杆与所述手杆之间安装有传动块。As a further improvement of the present invention, the propulsion device also includes a lifting platform for supporting the lifting and lowering of the storage tank, and a screw rod connected to the lifting platform for transmitting the kinetic energy of the hand rod. The screw rod is connected with the hand rod. A transmission block is installed between the rods.
作为本发明的进一步改进，所述实验管线包括依次连接的第一管线、第二管线和第三管线，其中，所述第二管线为弧线设计。As a further improvement of the present invention, the experimental pipeline includes a first pipeline, a second pipeline and a third pipeline connected in sequence, wherein the second pipeline has an arc design.
作为本发明的进一步改进，所述第一管线上依次设置有第一转动装置与压力传感器，所述压力传感器至少部分设置在实验水中；所述电磁流量计和所述推进装置设置在第三管线上。As a further improvement of the present invention, a first rotation device and a pressure sensor are arranged in sequence on the first pipeline, and the pressure sensor is at least partially arranged in the experimental water; the electromagnetic flowmeter and the propulsion device are arranged on the third pipeline superior.
作为本发明的进一步改进，所述第一转动装置为可控制转速的驱动电机。As a further improvement of the present invention, the first rotating device is a drive motor with controllable rotational speed.
作为本发明的进一步改进，所述调整台架上设置有用于辅助调整所述实验管线高度的定滑轮，所述调整台架与所述实验管线为可拆卸式连接。As a further improvement of the present invention, the adjustment stand is provided with a fixed pulley for assisting in adjusting the height of the experimental pipeline, and the adjustment stand and the experimental pipeline are detachably connected.
作为本发明的进一步改进，所述实验水箱包括进水水箱和出水水箱，所述进水水箱与第一管线相连，所述出水水箱与第三管线相连。As a further improvement of the present invention, the experimental water tank includes an inlet water tank and an outlet water tank. The inlet water tank is connected to the first pipeline, and the outlet water tank is connected to the third pipeline.
作为本发明的进一步改进，利用控制变量法原理，分别通过改变实验管线角度、悬浮颗粒沉积物初始重量和管线中水体流量，计算所述置物槽的悬浮颗粒沉积物初始重量与实验后重量的差值，即能得到在规定时间内城市污水中的悬浮颗粒在管道中的沉积冲刷特性。As a further improvement of the present invention, the principle of the controlled variable method is used to calculate the difference between the initial weight of the suspended particle sediment and the weight after the experiment by changing the angle of the experimental pipeline, the initial weight of the suspended particle sediment and the water flow rate in the pipeline. value, that is, the sedimentation and erosion characteristics of suspended particles in urban sewage in the pipeline within a specified time can be obtained.
本发明的有益效果是：The beneficial effects of the present invention are:
1、本发明提供的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，通过在实验管线中设置压力传感器和电磁流量计，能分别监控实验管线中的实际水压及实际水体流量，且将悬浮颗粒实验点设置在第三管线，能保证用于进行悬浮颗粒沉积冲刷特性研究的水流的稳定性。另外，在冲刷特性实验中，将悬浮颗粒置于置物槽中进行自由沉积的设计，相比于常规的沉积物直接涂抹操作，能更真实的反映实际排水管道中悬浮颗粒的沉积以及其冲刷结果。此外，推进装置的可拆卸式设计，有利于样品的取放等处理，以便于进行悬浮颗粒初始重量与实验完成重量的差值计算，获得悬浮颗粒的沉积冲刷特性；同时，也便于通过调整参数以获得不同条件下悬浮颗粒沉积的冲刷特性，用于在实践中改善由悬浮颗粒沉积物沉积导致的管道淤堵情况。1. The device provided by the present invention for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipelines can monitor the actual water pressure and actual water flow rate in the experimental pipeline by arranging a pressure sensor and an electromagnetic flowmeter in the experimental pipeline, respectively. And setting the suspended particle experimental point in the third pipeline can ensure the stability of the water flow used to study the sedimentation and scouring characteristics of suspended particles. In addition, in the erosion characteristics experiment, the design of placing suspended particles in the storage tank for free deposition can more truly reflect the deposition of suspended particles in actual drainage pipes and their erosion results than the conventional direct application of sediment. . In addition, the detachable design of the propulsion device is conducive to the handling of samples, so as to calculate the difference between the initial weight of suspended particles and the completed weight of the experiment, and to obtain the sedimentation and erosion characteristics of suspended particles; at the same time, it is also convenient to adjust parameters In order to obtain the scouring characteristics of suspended particle sedimentation under different conditions, it can be used to improve pipeline blockage caused by suspended particle sedimentation in practice.
2、本发明通过设置用于调整实验管线坡度的调整台架及定滑轮，能对实验管线的坡度进行调整，以模拟现实中污水管道的不同坡度，进行不同坡度下的污水管道中的悬浮颗粒沉积冲刷特性研究。2. By arranging an adjustment stand and a fixed pulley for adjusting the slope of the experimental pipeline, the present invention can adjust the slope of the experimental pipeline to simulate the different slopes of the sewage pipes in reality and measure the suspended particles in the sewage pipes under different slopes. Study on sedimentary scour characteristics.
3、本发明利用悬浮颗粒沉积物的重量差研究其冲刷特性的计算方式简便，结合样品的取放装置，即推进装置的可拆卸式设计，便于实际中的操作；模拟现实中悬浮颗粒沉积的置物槽设置，使检测结果能更准确的反映真实情况，同时整体装置结构简单，操作方便。3. The present invention uses the weight difference of suspended particle sediments to study its scour characteristics in a simple calculation method. Combined with the detachable design of the sample pick-and-place device, that is, the propulsion device, it facilitates actual operation; it simulates the actual situation of suspended particle sedimentation. The setting of the storage slot enables the test results to reflect the real situation more accurately. At the same time, the overall device has a simple structure and is easy to operate.
图1为本发明提供的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性 的装置的结构示意图。Figure 1 is a schematic structural diagram of a device provided by the present invention for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes.
图2为本发明提供的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置中的推进装置的结构示意图。Figure 2 is a schematic structural diagram of a propulsion device in a device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes provided by the present invention.
图3为本发明提供的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置中的推进装置的内部结构示意图。Figure 3 is a schematic diagram of the internal structure of the propulsion device in the device used to study the sedimentation and flushing characteristics of suspended particles in urban sewage pipes provided by the present invention.
附图说明Description of the drawings
11、进水水箱；12、出水水箱；20、第一管线；21、伺服电机；22、压力传感器；30、第二管线；40、第三管线；41、电磁流量计；42、推进装置；421、手杆；422、传动块；423、丝杆；424、升降台；425、置物槽；50、调整台架；51、定滑轮。11. Inlet water tank; 12. Outlet water tank; 20. First pipeline; 21. Servo motor; 22. Pressure sensor; 30. Second pipeline; 40. Third pipeline; 41. Electromagnetic flowmeter; 42. Propulsion device; 421. Hand lever; 422. Transmission block; 423. Screw rod; 424. Lifting table; 425. Storage slot; 50. Adjustment stand; 51. Fixed pulley.
为了使本发明的目的、技术方案和优点更加清楚，下面结合附图和具体实施例对本发明进行详细描述。In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be described in detail below with reference to the drawings and specific embodiments.
在此，还需要说明的是，为了避免因不必要的细节而模糊了本发明，在附图中仅仅示出了与本发明的方案密切相关的结构和/或处理步骤，而省略了与本发明关系不大的其他细节。Here, it should also be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the solution of the present invention are shown in the drawings, and the details related to the present invention are omitted. Invent other details that are less relevant.
另外，还需要说明的是，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。Additionally, it should be noted that the terms "comprises," "comprises," or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also It also includes other elements not expressly listed or that are inherent to the process, method, article or equipment.
本发明提供了一种用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，包括实验水箱、与实验水箱连通的实验管线以及设置于实验管线上的用于样品取放的可拆卸式设置的推进装置42和用于调整实验管线冲刷角度的调整台架50，实验水箱包括进水水箱11和出水水箱12，实验管线包括依次连接的第一管线20、第二管线30和第三管线40，进水水箱11与第一管线20相连，出水水箱12与第三管线40相连，其中，第二管线30为半圆形，在 本发明的其他实施例中，第二管线30可以采用其他环形结构，如圆环形、圆角矩形框等。The invention provides a device for studying the sedimentation and scouring characteristics of suspended particles in urban sewage pipes, including an experimental water tank, an experimental pipeline connected to the experimental water tank, and a detachable device provided on the experimental pipeline for taking and placing samples. The propulsion device 42 and the adjustment stand 50 for adjusting the flushing angle of the experimental pipeline. The experimental water tank includes an inlet water tank 11 and an outlet water tank 12. The experimental pipeline includes a first pipeline 20, a second pipeline 30 and a third pipeline 40 connected in sequence. , the inlet water tank 11 is connected to the first pipeline 20, and the outlet water tank 12 is connected to the third pipeline 40. The second pipeline 30 is semicircular. In other embodiments of the present invention, the second pipeline 30 can adopt other annular shapes. Structures, such as donuts, rounded rectangular boxes, etc.
具体的，按照水流方向，第一管线20上依次设置有可控制转速的伺服电机21和压力传感器22，通过调节伺服电机21的转速，能在实验管线内形成不同流速的水流，以研究不同水流对悬浮颗粒的沉积冲刷特性，压力传感器22部分设置在实验水中，用于管线中的水压检测；第三管线40上依次设置有电磁流量计41和推进装置42，分别用于水体流量的检测和样品的取放。Specifically, according to the direction of the water flow, the first pipeline 20 is sequentially provided with a servo motor 21 and a pressure sensor 22 that can control the rotation speed. By adjusting the rotation speed of the servo motor 21, water flows with different flow rates can be formed in the experimental pipeline to study different water flows. For the sedimentation and scouring characteristics of suspended particles, the pressure sensor 22 is partially installed in the experimental water for water pressure detection in the pipeline; the third pipeline 40 is provided with an electromagnetic flowmeter 41 and a propulsion device 42 in sequence for detection of water flow. and sample placement.
具体的，推进装置42可拆卸式设置在第三管线40底部，推进装置42内设置有用于污水中悬浮颗粒自由沉积的置物槽425、用于支撑置物槽425升降的升降台424以及与升降台424连接的用于传递手杆421动能的丝杆423，丝杆423与手杆421之间安装有用于手杆421动能与置物槽425势能转换的传动块422，通过手杆421的旋转，从而控制升降台424的平稳升降，进行置物槽425高度的调节。Specifically, the propulsion device 42 is detachably provided at the bottom of the third pipeline 40. The propulsion device 42 is provided with a storage tank 425 for free deposition of suspended particles in sewage, a lifting platform 424 for supporting the lifting of the storage tank 425, and a lifting platform. 424 is connected to the screw rod 423 for transmitting the kinetic energy of the hand rod 421. A transmission block 422 for converting the kinetic energy of the hand rod 421 and the potential energy of the storage slot 425 is installed between the screw rod 423 and the hand rod 421. Through the rotation of the hand rod 421, the Control the smooth lifting of the lifting platform 424 to adjust the height of the storage slot 425 .
具体的，调整台架50与实验管线为可拆卸式连接，调整台架50上设置有用于辅助调整实验管线高度的定滑轮51，通过调整台架50可根据实验需要进行实验管道坡度的调整，从而进行不同坡度下的污水管道中的悬浮颗粒沉积冲刷特性研究。Specifically, the adjustment bench 50 is detachably connected to the experimental pipeline. The adjustment bench 50 is provided with a fixed pulley 51 for assisting in adjusting the height of the experimental pipeline. By adjusting the bench 50, the slope of the experimental pipeline can be adjusted according to experimental needs. Thus, the sedimentation and scouring characteristics of suspended particles in sewage pipes under different slopes were studied.
下面对本发明提供的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置的工作原理进行说明。The working principle of the device provided by the present invention for studying the sedimentation and scouring characteristics of suspended particles in urban sewage pipes will be described below.
首先，将已知质量的悬浮颗粒样品置于置物槽425中，根据预设的时间进行悬浮颗粒的沉积；沉积结束后，将推进装置42安装在第三管线40上，通过手杆421调整置物槽425的高度；开启伺服电机21，实验水从第一管线20进入管道进行冲刷，压力传感器22和电磁流量计41分别对管道中的水压和水体流量进行监控；实验结束后，对置物槽425中悬浮颗粒的重量进行检测，通过计算置物槽425的悬浮颗粒沉积物的初始重量与实验后重量的差值，即能得到在规定时间内城市污水中的悬浮颗粒在管道中的沉积冲刷特性。利用控制变量法，分别通过改变实验管线角度、悬浮颗粒沉积物初始重量和管 线流量，能进行各个因素对管道中悬浮颗粒的沉积冲刷特性的研究。First, a suspended particle sample of known mass is placed in the storage tank 425, and the suspended particles are deposited according to a preset time; after the deposition is completed, the propulsion device 42 is installed on the third pipeline 40, and the storage tank is adjusted through the hand lever 421. The height of the tank 425; turn on the servo motor 21, the experimental water enters the pipeline from the first pipeline 20 for flushing, the pressure sensor 22 and the electromagnetic flowmeter 41 monitor the water pressure and water flow in the pipeline respectively; after the experiment, the storage tank The weight of suspended particles in 425 is detected. By calculating the difference between the initial weight of the suspended particle sediment in the storage tank 425 and the weight after the experiment, the sedimentation and flushing characteristics of suspended particles in urban sewage in the pipeline within a specified period of time can be obtained. . Using the control variable method, by changing the experimental pipeline angle, the initial weight of suspended particle sediments and the pipeline flow rate, various factors can be studied on the sedimentation and erosion characteristics of suspended particles in the pipeline.
综上所述，本发明公开了一种用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，通过设置用于调整实验管线坡度的调整台架50及定滑轮51，能对实验管线的坡度进行调整，以模拟现实中污水管道的不同坡度，进行不同坡度下的污水管道中的悬浮颗粒沉积冲刷特性研究；另外，压力传感器22和电磁流量计41的设置，能分别监控实验管线中的实际水压及实际水体流量，且将悬浮颗粒实验点设置在第三管线40，能保证用于进行悬浮颗粒沉积冲刷特性研究的水流的稳定性。此外，悬浮颗粒置于置物槽425中进行自由沉积的设计，相比于常规的沉积物直接涂抹操作，能更真实的反映实际排水管道中悬浮颗粒的沉积以及其冲刷结果，而推进装置42的可拆卸式设计，则有利于样品的取放等处理，以便于进行悬浮颗粒的初始重量与实验完成重量的差值计算，获得悬浮颗粒的冲刷量数据；同时，也便于通过调整参数以获得不同条件下悬浮颗粒的沉积冲刷特性。In summary, the present invention discloses a device for studying the sedimentation and scouring characteristics of suspended particles in urban sewage pipelines. By setting the adjustment bench 50 and the fixed pulley 51 for adjusting the slope of the experimental pipeline, the experimental pipeline can be adjusted. The slope is adjusted to simulate the different slopes of real sewage pipes, and the sedimentation and erosion characteristics of suspended particles in sewage pipes under different slopes are studied; in addition, the settings of the pressure sensor 22 and the electromagnetic flowmeter 41 can respectively monitor the flow rate in the experimental pipeline. Actual water pressure and actual water flow rate, and setting the suspended particle experimental point in the third pipeline 40 can ensure the stability of the water flow used to study the sedimentation and scouring characteristics of suspended particles. In addition, the design of placing suspended particles in the storage tank 425 for free deposition can more truly reflect the deposition of suspended particles in actual drainage pipes and their scouring results than the conventional direct application of sediment, and the propulsion device 42 The detachable design is conducive to the handling of samples, such as taking and placing, so as to calculate the difference between the initial weight of suspended particles and the completed weight of the experiment, and obtain the washout volume data of suspended particles; at the same time, it is also convenient to adjust parameters to obtain different Sedimentation and scouring characteristics of suspended particles under conditions.
以上实施例仅用以说明本发明的技术方案而非限制，尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的精神和范围。The above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently substituted. without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
- 一种用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，其特征在于：包括实验水箱、与所述实验水箱连通的实验管线以及设置于所述实验管线上的用于样品取放的可拆卸式设置的推进装置和用于调整所述实验管线冲刷角度的调整台架，所述推进装置内设置有用于悬浮颗粒自由沉积的置物槽。A device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes, which is characterized by: including an experimental water tank, an experimental pipeline connected to the experimental water tank, and a device for taking and placing samples provided on the experimental pipeline. A detachable propulsion device and an adjustment stand for adjusting the flushing angle of the experimental pipeline. The propulsion device is provided with a storage tank for free deposition of suspended particles.
- 根据权利要求1所述的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，其特征在于：所述实验管线上还设置有用于管线中水压检测的压力传感器和水体流量检测的电磁流量计，所述推进装置按照水流方向设置在所述电磁流量计之后。The device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipelines according to claim 1, characterized in that: the experimental pipeline is also provided with a pressure sensor for detecting water pressure in the pipeline and an electromagnetic sensor for detecting water flow. Flowmeter, the propulsion device is arranged behind the electromagnetic flowmeter according to the direction of water flow.
- 根据权利要求2所述的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，其特征在于：所述推进装置设置于所述实验管线底部。The device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes according to claim 2, characterized in that the propulsion device is arranged at the bottom of the experimental pipeline.
- 根据权利要求3所述的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，其特征在于：所述推进装置还包括用于支撑所述置物槽升降的升降台、与所述升降台连接的用于传递手杆动能的丝杆，所述丝杆与所述手杆之间安装有传动块。The device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes according to claim 3, characterized in that: the propulsion device further includes a lifting platform for supporting the lifting and lowering of the storage tank, and the lifting platform. The connected screw rod is used to transmit the kinetic energy of the hand rod, and a transmission block is installed between the screw rod and the hand rod.
- 根据权利要求2所述的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，其特征在于：所述实验管线包括依次连接的第一管线、第二管线和第三管线，其中，所述第二管线为弧线设计。The device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes according to claim 2, characterized in that: the experimental pipeline includes a first pipeline, a second pipeline and a third pipeline connected in sequence, wherein the The second pipeline is designed as an arc.
- 根据权利要求5所述的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，其特征在于：所述第一管线上依次设置有第一转动装置与压力传感器，所述压力传感器至少部分设置在实验水中；所述电磁流量计和所述推进装置设置在第三管线上。The device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes according to claim 5, characterized in that: a first rotating device and a pressure sensor are arranged in sequence on the first pipeline, and at least part of the pressure sensor Set in experimental water; the electromagnetic flowmeter and the propulsion device are set on the third pipeline.
- 根据权利要求6所述的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，其特征在于：所述第一转动装置为可控制转速的驱动电机。The device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes according to claim 6, wherein the first rotating device is a drive motor with controllable rotational speed.
- 根据权利要求1所述的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，其特征在于：所述调整台架上设置有用于辅助调整所述实验管线高度的定滑轮，所述调整台架与所述实验管线为可拆卸式连接。The device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes according to claim 1, characterized in that: the adjustment bench is provided with a fixed pulley for assisting in adjusting the height of the experimental pipeline, and the adjustment The bench and the experimental pipeline are detachably connected.
- 根据权利要求1所述的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，其特征在于：所述实验水箱包括进水水箱和出水水箱，所述进水水箱与第一管线相连，所述出水水箱与第三管线相连。The device for studying the sedimentation and flushing characteristics of suspended particles in urban sewage pipes according to claim 1, characterized in that: the experimental water tank includes an inlet water tank and an outlet water tank, and the inlet water tank is connected to the first pipeline, The water outlet tank is connected to the third pipeline.
- 根据权利要求1所述的用于研究城市污水管道中的悬浮颗粒沉积冲刷特性的装置，其特征在于：利用控制变量法原理，分别通过改变实验管线角度、悬浮颗粒沉积物初始重量和管线中水体流量，计算所述置物槽的悬浮颗粒沉积物初始重量与实验后重量的差值，即能得到在规定时间内城市污水中的悬浮颗粒在管道中的沉积冲刷特性。The device for studying the scouring characteristics of suspended particle sedimentation in urban sewage pipelines according to claim 1, characterized in that: using the principle of the controlled variable method, respectively by changing the angle of the experimental pipeline, the initial weight of suspended particle sedimentation and the water body in the pipeline Flow rate, calculate the difference between the initial weight of the suspended particle sediment in the storage tank and the weight after the experiment, that is, the sedimentation and flushing characteristics of the suspended particles in the urban sewage in the pipeline within the specified time can be obtained.
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2022
- 2022-08-11 CN CN202210961023.3A patent/CN115420659A/en active Pending
- 2022-09-22 WO PCT/CN2022/120462 patent/WO2023178959A1/en unknown
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| US5653592A (en) * | 1995-11-08 | 1997-08-05 | The United States Of America As Represented By The Secretary Of The Army | Method and apparatus for micro modeling the sediment transport characteristics of a river |
| CN103711101A (en) * | 2013-12-26 | 2014-04-09 | 天津大学 | Deformable open channel curve water channel device for water flow silt experiment |
| CN204238170U (en) * | 2014-11-27 | 2015-04-01 | 长江水利委员会长江科学院 | A kind of open channel scouring on bedrock model test apparatus |
| CN105021485A (en) * | 2015-07-24 | 2015-11-04 | 河海大学 | Undisturbed soil scouring test system |
| CN112179729A (en) * | 2019-07-04 | 2021-01-05 | 天津大学 | Pipeline deposit simulation experiment device, experiment system and experiment method |
| CN111474086A (en) * | 2020-04-24 | 2020-07-31 | 三峡大学 | Test device and method for bank slope soil body washout starting |
| CN212391480U (en) * | 2020-06-23 | 2021-01-22 | 中冶华天工程技术有限公司 | Survey device of heterotopic thermal desorption restoration back soil impact resistance |
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| CN115420659A (en) | 2022-12-02 |
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