Microcomputer intelligent steam quality instrument
A technology of microcomputer and dryness meter, which is applied in the direction of material resistance, can solve the problems of lagging behind actual working conditions, time-consuming and labor-intensive, and manpower-intensive problems, and achieve the effects of reducing labor intensity and risk-involved degree, avoiding manual errors, and improving efficiency
Inactive Publication Date: 2011-07-20
天津市计仪自动化系统工程有限公司
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Problems solved by technology
This method is undoubtedly time-consuming and labor-intensive
First of all, manual sampling takes up a lot of manpower and has a certain degree of danger.
After manual sampling, send it to the laboratory to measure the conductivity, and then calculate or look up the table to get the dryness of the steam, the result obviously lags behind the actual working conditions
Method used
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[0023] Principle block diagram of microcomputer intelligent steam dryness meter
[0024] The structure of the invention includes: a microcomputer main board, a keyboard and a display liquid crystal to form a control system, a water inlet and outlet solenoid valve, a conductivity meter to form a peripheral measurement and control system, and a terminal board for isolating and coupling the two.
[0025] The working principle of the present invention is:
[0026] The microcomputer executes the program, controls the inlet valves of raw water and condensed water to open and close alternately by isolating the terminal board, and stabilizes after a certain delay. The conductivity of the water is measured, recorded, calculated and stored by the conductivity meter; The difference in conductivity before and after is calculated to obtain the steam dryness, which is displayed on the liquid crystal display.
[0027] Description of working principle:
[0028] The keyboard is used to check...
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The invention relates to a microcomputer intelligent steam dryness-fraction measuring instrument, wherein, a microcomputer mainboard is connected with a keyboard and a liquid crystal display board to form a control system; a conductivity meter is arranged on the raw water pipe to be detected; a water inlet valve is arranged on the raw water pipe to be detected; a condensed water inlet valve is arranged on a condensed water pipe to be detected; the microcomputer mainboard is connected with an isolated terminal board and a coupled terminal board which are connected with a raw water inlet control valve and the condensed water inlet valve. The microcomputer intelligent steam dryness-fraction measuring instrument realizes intelligent automation of the whole process and depends on a control and measurement system which uses a singlechip as core; the system automatically controls water to enter measuring positions before and after distillation and then automatically calculates and analyzes the dryness fraction through automatic measurement and sampling of the conductivity meter. Because measurement and sampling are automatically controlled, the instrument avoids manpower, reduces the manual strength and the criticality, improves the efficiency and avoids the manual errors; simultaneously, because sampling and calculation are automatically completed, the real-time performance for measurement is guaranteed.
Description
technical field [0001] The invention belongs to chemical testing instruments, in particular to a microcomputer intelligent steam dryness meter. Background technique [0002] At present, the method of measuring steam dryness is to manually test the conductivity of water before and after distillation, and then calculate the dryness of steam by looking up a table. This method is undoubtedly time-consuming and laborious. First of all, manual sampling takes up a lot of manpower and has a certain degree of danger. After manual sampling, send it to the laboratory to measure the conductivity, and then calculate or look up the table to get the dryness of the steam, and the result obviously lags behind the actual working conditions. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a microcomputer intelligent steam dryness meter. The invention uses a microcomputer to realize automatic measurement and calculation of steam ...
Claims
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IPC IPC(8): G01N27/04
Inventor 刘海峰彭全胜
Owner 天津市计仪自动化系统工程有限公司