A water injection system and control method
A control method and water injection system technology, which can be applied to pipeline systems, water heaters, lighting and heating equipment, etc. It can solve the problem of the difficulty in accurately controlling the duration and total amount of water injection, the difficulty in stabilizing water pressure and water injection rate, and affecting the user experience of water users and other problems, to achieve the effect of convenient construction, stable water injection temperature and water injection rate, and reliable operation
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Embodiment 1
[0026] As a most basic implementation of the water injection system of the present invention, the system includes a water storage vessel 1 with liquid level control equipment and heating equipment, and by adjusting the size of the flow-limiting small hole 7.1 and the minimum discharge area of the burst disc 7.3 The collector 7 unit that controls the water injection rate according to the ratio between them; the water storage container 1 is connected to the voltage stabilizing unit with a heating unit and a cooling unit inside through management, and both the water storage container 1 and the voltage stabilizing unit have vacuum pumping System 14, the pressure stabilizing unit is also connected with an inert gas pumping system; as a most basic embodiment of the present invention, such as figure 1 The water injection device includes a water storage tank 1 with a high temperature and high pressure liquid level gauge 2 and a heating rod 3 inside; the bottom of the water storage ta...
Embodiment approach
[0033] Such as figure 1 , as a kind of most basic embodiment of water injection control method of the present invention, comprises the following steps:
[0034]Step 1: Vacuum the water storage container 1 through the vacuum pumping system 14, and at the same time pump inert gas into the system through the pressure stabilizing tank 8 of the voltage stabilizing unit through the inert gas pumping system, and complete the system replacement of internal gas;
[0035] Step 2, close the vacuum system 14 for the water storage container 1, continue to pump inert gas into the system through the inert gas pumping system until the pressure in the system returns to normal pressure, and close the inert gas pumping system;
[0036] Step 3, inject water at normal temperature and pressure into the water storage vessel 1, then close the pipeline connection between the water storage vessel 1 and the voltage stabilizing unit, and boil the water added in the water storage vessel 1 through a heati...
Embodiment 3
[0041] As a preferred embodiment of the water injection control method of the present invention, on the basis of the technical solution of the above-mentioned embodiment 2, further, in the step 4 and step 5, the rate of pumping inert gas is 1kPa / s, and the step Stop pumping inert gas when the pressure inside the pressure-stabilizing tank 8 rises to 0.2MPa in step 4; stop pumping inert gas when the system pressure rises to 12MPa in step 5, that is, set the threshold to 12MPa.
[0042] In the step 6, the heating control system for the inert gas has a pressure increase rate of 0.3kPa / s, and the system pressure increases to a set threshold value of 13MPa.
[0043] In said step 6, after stopping the water injection, the pipeline between the water storage vessel 1 and the collector 7 unit is shut off, and then the cooling unit in the voltage stabilizing unit is turned on to cool the system, and the stabilizing unit is turned on at the same time. Open the exhaust valve 12 on the pres...
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