Steam temperature characteristic optimal adjusting method for pulverized coal combustion direct current furnace
A technology of pulverized coal combustion and adjustment method, which is applied in the direction of controlling combustion, lighting and heating equipment, which can solve problems such as unsatisfactory effect and large deviation of steam temperature, so as to improve the level of economical and efficient operation, reduce loss and alleviate partial burning Effect
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[0034] Example 1
[0035] See figure 1 As shown in the flow chart of the method for optimizing and adjusting the characteristics of steam temperature, the method for optimizing and adjusting the characteristics of steam temperature according to the present invention is described as an example of the optimization and adjustment of the characteristics of the steam temperature of the front and rear wall opposed combustion furnace.
[0036] The method for optimizing and adjusting the steam temperature characteristics of the pulverized coal combustion once-through furnace of this embodiment 1 includes the following steps:
[0037] Step S1: Implement various test steps of steady-state combustion adjustment test;
[0038] Step S2: Implement various test steps of the dynamic steam temperature characteristic test, some of which are based on the corresponding results obtained from the steady state combustion adjustment test in the step S1;
[0039] Step S3: The DCS control system of the once-thr...
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[0053] Example 2
[0054] See figure 1 The flow block diagram of the method for optimizing and adjusting the steam temperature characteristic, taking a four-corner tangential combustion furnace as an example, illustrates the method for optimizing and adjusting the steam temperature characteristic of the present invention.
[0055] The method for optimizing and adjusting the steam temperature characteristics of the pulverized coal combustion once-through furnace in Example 2 is different from the method in Example 1: The counter-burning furnace in Example 1 has no burner swing angle, so the dynamics in step 2 The first task in the steam temperature characteristic test is to realize the automatic control input of the flue gas baffle. The automatic control of the flue gas baffle is the main adjustment method of the reheated steam temperature; in this embodiment 2, for the four-corner tangential combustion furnace, In the dynamic steam temperature characteristic test of step S2, the f...
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