Desulfurization automatic control device
A technology of automatic control device and main control device, applied in gas treatment, membrane technology, separation of dispersed particles, etc., can solve problems such as lack of concentration, no metering device in desulfurization tower, forgetting to adjust, etc.
Pending Publication Date: 2021-12-10
漳州市圣元环保电力有限公司
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Problems solved by technology
[0003] The existing desulfurization tower does not have a metering device, so it is impossible to accurately measure the amount of slaked lime injected in real time; the amount of slaked lime injected is completely manually controlled, and the feeding is uneven, resulting in relatively large fluctuations in the indicators of hydrogen chloride and sulfur dioxide; manual control of the amount of hydrated lime injected in the desulfurization tower often causes Occurs when personnel are distracted or forget to adjust other matters, causing the indicators to exceed the standard
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[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0018] see Figure 1-2 , the present invention provides a technical solution:
[0019] A desulfurization automatic control device, the device includes a slaked lime storage bin and a desulfurization tower; the bottom of the slaked lime storage bin is connected with a transfer bin, and several weighing sensors are fixed at the bottom; The desulfurization towers are connected, and a variable frequency star-shaped ash unloading valve for controlling the outflow of sl...
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The invention discloses an automatic desulfurization control device. The device comprises a slaked lime storage bin and a desulfurization tower; the bottom of the slaked lime storage bin is connected with a transfer bin, and a plurality of weighing sensors are fixed at the bottom of the slaked lime storage bin; the transfer bin is connected with the desulfurization tower through a conveying pipeline, and a variable-frequency star-shaped cinder valve for controlling slaked lime in the transfer bin to flow out is arranged on the conveying pipeline; and the weighing sensors and the variable-frequency star-shaped cinder valve are connected through a main control device arranged on the desulfurization control device. According to the automatic desulfurization control device disclosed by the invention, a metering device is additionally arranged after the process transformation, so that the amount of lime sprayed into the deacidification tower can be accurately metered, manual intervention is completely not needed, automatic index control is realized, and parameters do not exceed the standard due to human reasons.
Description
technical field [0001] The invention relates to the technical field of domestic waste incineration, in particular to an automatic desulfurization control device. Background technique [0002] The desulfurization processes commonly used in domestic waste incineration power plants include dry desulfurization, semi-dry desulfurization, and wet desulfurization, of which semi-dry desulfurization is divided into rotary atomization desulfurization, circulating fluidization desulfurization; circulating fluidization desulfurization The commonly used process is to configure a slaked lime storage bin, discharge through the star-shaped ash discharge valve, and then transport it to the desulfurization tower through the Roots blower to react with high-temperature flue gas to achieve the purpose of desulfurization. [0003] The existing desulfurization tower does not have a metering device, so it is impossible to accurately measure the real-time injection of slaked lime; the amount of slak...
Claims
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IPC IPC(8): B01D53/34B01D53/50B01D53/80
CPCB01D53/346B01D53/502B01D53/504B01D53/80B01D2251/404B01D2258/0283
Inventor 王郎
Owner 漳州市圣元环保电力有限公司