A device for detecting the density of ore pulp in a pipeline
By setting up small-diameter detection pipes and communicating vessels in large-diameter process pipelines, and using a low-dose radiation source to detect slurry density, the safety risks and high costs associated with radiation sources in large-diameter process pipelines are solved. This enables online detection and cleaning, improving both economic efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUIYANG ALUMINUM MAGNESIUM DESIGN & RESEARCH INSTITUTE CO LTD
- Filing Date
- 2025-04-16
- Publication Date
- 2026-05-26
Smart Images
Figure CN224286608U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of slurry density detection, specifically to a slurry density detection device for pipelines. Background Technology
[0002] In industrial production, mineral slurries in process pipelines, due to their high solids content and acid / alkali corrosion characteristics, are generally monitored online using isotope X-ray instruments or manually sampled and sent to a laboratory for analysis. While the former, using isotope X-ray instruments, is a mature and widely used technology, the radiation source poses certain safety risks, requiring strict government and corporate oversight. The latter, manual sampling, cannot achieve online monitoring and is detrimental to optimizing process control.
[0003] Furthermore, with the continuous advancement of industrial scale, equipment size and process pipeline diameters are becoming increasingly larger. Isotope radiation instruments, due to their measurement principle, must ensure that the radiation effectively penetrates pipelines and slurries. Therefore, for large-diameter process pipelines, very high-dose radiation sources are required. High-dose radiation sources are expensive and pose a high risk of radiation damage. Government and enterprise management and monitoring methods need to be upgraded to a higher level, which poses a significant challenge to the health of employees and the overall operating costs of enterprises. Summary of the Invention
[0004] To address the aforementioned problems, this utility model provides a slurry density detection device for pipelines. It features a simple structure, employs the principle of communicating vessels, and utilizes a small-diameter detection pipeline to reduce the amount of radiation source required, thereby effectively improving economic efficiency.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a slurry density detection device in a pipeline, comprising a main pipeline, a detection pipeline, a cleaning water pipeline, a cleaning steam pipeline, a density meter, and a waste liquid tank. Slurry flows through the main pipeline. The inlet and outlet of the detection pipeline are respectively connected to the side of the main pipeline and the waste liquid tank. The diameter of the main pipeline is larger than the diameter of the detection pipeline. The inlet and outlet of the detection pipeline are respectively equipped with a feed solenoid valve and a discharge solenoid valve. The cleaning water pipeline and the cleaning steam pipeline are both connected to the detection pipeline. The density meter is installed on both sides of the detection pipeline.
[0006] The diameter of the testing pipe is DN50.
[0007] The density meter uses a low-dose isotope radiation density meter.
[0008] An inlet solenoid valve is installed between the cleaning water pipe and the testing pipe.
[0009] A steam inlet solenoid valve is installed between the cleaning steam pipeline and the testing pipeline.
[0010] The beneficial effects of this utility model are as follows: Compared with the prior art, this utility model sets up a small-diameter detection pipe connected to the main pipe. Utilizing the principle of communicating vessels, the density of the slurry in the main pipe can be obtained by measuring the density of the slurry in the detection pipe using a small-dose isotope radiation density detector. This reduces the amount of radiation source used, improving economic efficiency and safety. At the same time, the detection pipe is connected to the cleaning water pipe and the cleaning steam pipe, realizing water and steam cleaning of the detection pipe, effectively avoiding damage to the detection pipe caused by slurry residue. Attached Figure Description
[0011] The present invention will be further described below with reference to the accompanying drawings:
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] In the diagram: 1. Main pipeline; 2. Inspection pipeline; 3. Cleaning water pipeline; 4. Cleaning steam pipeline; 5. Density meter; 6. Waste liquid tank; 7. Feed solenoid valve; 8. Discharge solenoid valve; 9. Water inlet solenoid valve; 10. Steam inlet solenoid valve. Detailed Implementation
[0014] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments.
[0015] The technical solution of this utility model will be described in detail below with specific embodiments. The following specific embodiments can be selected to be combined or substituted with each other according to the actual situation, and the same or similar concepts or processes may not be described again in some embodiments. Example
[0016] like Figure 1 As shown, this utility model provides a slurry density detection device in a pipeline, including a main pipeline 1, a detection pipeline 2, a cleaning water pipeline 3, a cleaning steam pipeline 4, a density meter 5, and a waste liquid tank 6. Slurry flows in the main pipeline 1. The inlet and outlet of the detection pipeline 2 are respectively connected to the side of the main pipeline 1 and the waste liquid tank 6. The diameter of the main pipeline 1 is larger than the diameter of the detection pipeline 2. The inlet and outlet of the detection pipeline 2 are respectively equipped with a feed solenoid valve 7 and a discharge solenoid valve (8). The cleaning water pipeline 3 and the cleaning steam pipeline 4 are both connected to the detection pipeline 2. The density meter 5 is set on both sides of the detection pipeline 2.
[0017] By connecting the small-diameter detection pipe 2 to the large-diameter main pipe 1, and utilizing the principle of communicating vessels, the density of the slurry in the main pipe 1 can be obtained by measuring the density of the slurry in the detection pipe 2 using a low-dose isotope radiation density detector. This reduces the amount of radiation source used, improving both economic efficiency and safety. At the same time, the detection pipe 2 is connected to the cleaning water pipe 3 and the cleaning steam pipe 4, enabling water and steam cleaning of the detection pipe 2 and effectively preventing slurry residue from damaging the detection pipe 2.
[0018] Specifically, the diameter of the testing pipe 2 is DN50, and it is made of seamless stainless steel. Its pressure rating must be at least 1.0 MPa higher than the slurry pressure in the main pipe 1.
[0019] Specifically, the density detection table 5 uses a low-dose isotope radiation density detection instrument, corresponding to a small-diameter detection pipe 2, to reduce the amount of radiation source used.
[0020] Specifically, an inlet solenoid valve 9 is installed between the cleaning water pipe 3 and the detection pipe 2. The inlet solenoid valve 9 has a diameter of DN25, a pressure rating that is at least 1.0 MPa higher than the slurry pressure in the process pipe, and a power supply of 220VAC. The pressure of the high-pressure water used for cleaning must be at least 0.3 MPa higher than the slurry pressure in the process pipe.
[0021] Specifically, a steam inlet solenoid valve 10 is installed between the cleaning steam pipe 4 and the detection pipe 2. The diameter of the steam inlet solenoid valve 10 is DN25, and the pressure rating must be at least 1.0 MPa higher than the slurry pressure in the process pipe. The power supply is 220VAC. The pressure of the high-pressure steam used for cleaning must be at least 0.3 MPa higher than the slurry pressure in the process pipe.
[0022] Workflow: To begin testing, first open the feed solenoid valve 7 and the discharge solenoid valve 8 for feeding and venting. After 10 seconds, close the feed solenoid valve 7 and the discharge solenoid valve 8. Use a small-dose isotope radiation density detector installed on both sides of the testing pipeline 2 to test the slurry density. After the test is completed, open the water inlet solenoid valve 9 and the discharge solenoid valve 8 to perform the first slurry sampling and cleaning of the testing pipeline 2. The cleaning time is about 10 seconds. After water cleaning, close the water inlet solenoid valve 9 and open the steam inlet solenoid valve 10 to perform the second slurry sampling and cleaning of the testing pipeline 2. The cleaning time is about 10 seconds. After both cleanings are completed, close the steam inlet solenoid valve 10 and open the feed solenoid valve 7 and the discharge solenoid valve 8 to begin the next density test.
[0023] In addition to the preferred embodiments described above, there are other embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection claimed by this utility model.
Claims
1. A device for detecting the density of slurry inside a pipeline, characterized in that, The system includes a main pipe (1), a testing pipe (2), a cleaning water pipe (3), a cleaning steam pipe (4), a density meter (5), and a waste liquid tank (6). The main pipe (1) is filled with slurry. The inlet and outlet of the testing pipe (2) are connected to the side of the main pipe (1) and the waste liquid tank (6), respectively. The diameter of the main pipe (1) is larger than that of the testing pipe (2). The inlet and outlet of the testing pipe (2) are equipped with a feed solenoid valve (7) and a discharge solenoid valve (8), respectively. The cleaning water pipe (3) and the cleaning steam pipe (4) are both connected to the testing pipe (2). The density meter (5) is set on both sides of the testing pipe (2).
2. The slurry density detection device in a pipeline according to claim 1, characterized in that, The diameter of the testing pipe (2) is DN50.
3. The slurry density detection device in a pipeline according to claim 1, characterized in that, The density detection table (5) uses a low-dose isotope radiation density detection instrument.
4. The slurry density detection device in a pipeline according to claim 1, characterized in that, A water inlet solenoid valve (9) is provided between the cleaning water pipe (3) and the detection pipe (2).
5. The slurry density detection device in a pipeline according to claim 1, characterized in that, A steam inlet solenoid valve (10) is provided between the cleaning steam pipe (4) and the detection pipe (2).