Liquid weighting and metering device for container having a heat exchanger and application method thereof
A technology for heat exchangers and metering devices, which is used in measurement devices, weighing equipment for materials with special properties/forms, weighing, etc. Convenience, small measurement error, not easy to age and crack
Inactive Publication Date: 2005-11-23
黎毛欣 +1
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Problems solved by technology
[0005] 3. When the total mass of the medium fed into the heat exchanger changes, if the steam fed into the heat exchanger generates condensed water, a measurement error will occur
[0006] 4. The flexible hose is a moving part. When it is used for a period of time and fatigued, it will break
When a heating medium such as steam is used, the rupture of the pipeline will cause the jet of steam to escape, which may injure the production personnel and cause production accidents
[0007] 5. The manufacturing process of the flexible hose is complicated, and the installation and maintenance are also very complicated and difficult
Method used
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[0027] Such as figure 1 As shown, the heat exchanger 3 is connected to the rigid input pipe 4 and the rigid discharge pipe 5, and the rigid input pipe 4 and the rigid discharge pipe 5 are connected and fixed with a bracket supported on the ground, so that the heat exchanger 3 is suspended in the container 2. And the heat exchanger 3, the rigid input pipe 4, the discharge pipe 5 and its accessories do not touch the container 2 and collide. The container 2 is provided with an inlet 7 and an outlet 6. The container 2 is hooked on the hook 8 of the load cell 1 by a hanging rope 9. In use, the solid raw material or the raw material that has been melted into the liquid is put into the container 2 through the feed port 7, and then the heating medium is input through the input pipe 4 to melt the solid raw material into the liquid raw material 10 or keep the liquid raw material 10 in a liquid state. When solidified into a solid, the weight of the liquid raw material 10 in the container 2 ...
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The invention relates to the measuring field of weighing in-container liquid, and the measurer includes a container set with heat exchanger and the heat exchanger connected with heating medium inlet and outlet pipelines, where the heat exchanger is suspended in the container and fixed on a bracket on the ground through rigid inlet and outlet pipelines, and the heat exchanger and the rigid inlet and outlet pipelines as well as their auxiliaries all do not contact the container. When using, it adopts multipoint testing method or two-point calibrating method to eliminate the influence of floating force on the gravity when the heat exchanger is soaked by the liquid raw material in the container, and thus can directly or indirectly obtain the accurate weight of the liquid raw material by reading the meter of the weighing sensor.
Description
Technical field: [0001] The invention relates to the field of weighing and measuring objects, in particular to a weighing and measuring device for liquid in a container. Background technique: [0002] For industrial raw materials such as paraffin wax and asphalt that are solid at room temperature and liquid after being heated and melted, when weighing and measuring them in a liquid state during processing or production, load cells are usually used to support them. Or hook the container to weigh the liquid raw material in the measuring container. The container is equipped with a jacketed heat exchanger. The heat exchanger passes the heating medium through the input pipe and discharges the heating medium or condensate through the output pipe. The input pipe and One section of the output pipeline is a flexible hose, so that when the weight of the liquid material in the container is weighed, the container can go up and down. The above weighing and measuring device has the following d...
Claims
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IPC IPC(8): G01G17/04
Inventor 黎毛欣吕超仁黄庸
Owner 黎毛欣