The embodiment of the invention provides a desulfurization control method and device, a storage medium and electronic equipment. The method comprises the following steps that firstly, the content of sulfide salt in SCR is obtained under all working conditions; whether the content of the sulphide salt is greater than a first preset value or not is judged, if so, a desulfurization action is executed, if not, whether the content of the sulphide salt is greater than a second preset value or not is judged, if so, a regeneration state of DPF is obtained, and if the regeneration state is regeneration, the regeneration time is controlled to be a third preset value, wherein the first preset value is greater than the second preset value, the third preset value is greater than the control duration during the normal regeneration, therefore, according to the scheme, when the content of the sulfide salt is greater than the first preset value, the desulfurization action is executed, and when the content of the sulfide salt is less than the first preset value and greater than the second preset value, the regeneration time is prolonged, so that the accumulated degree of sulfur can be judged in advance, thereby achieving the effect of desulfurization in advance.

Desulfurization control method and device, storage medium and electronic equipment

The invention discloses a DPF regeneration control method and system. In one treatment cycle, detection values of relevant parameters of DPF regeneration are obtained; the detection values are corrected based on the environment humidity, temperature and pressure, and a first parameter is obtained; the product of a regeneration trigger threshold and a DPF aging factor is compared with the first parameter; whether a DPF regeneration triggering condition is met or not is judged based on a comparison result; and if the DPF regeneration triggering condition meets the DPF regeneration triggering condition, DPF regeneration is conducted. It is thus clear that according to the technical scheme, DPF regeneration triggering conditions can be calculated and corrected in real time after aftertreatmentand aging in a complex environment, efficient control is conducted on DPF regeneration, DPF regeneration judgment can be conducted accurately in the complex environment, the problem of DPF burning isavoided, and the DPF regeneration efficiency is improved.

DPF regeneration control method and system

The invention discloses an off-gas treatment system used for a diesel engine. The system comprises a particle filter and a controller. The controller comprises a particle filter regeneration module. The particle filter regeneration module is constructed to start particle filter regeneration operation when the particle filter regeneration module judges that particle filter regeneration conditions are reached. The particle filter regeneration operation is achieved by raising the off-gas temperature in the particle filter to a particle filter regeneration temperature. The controller further comprises a desulfurization module. The desulfurization module is constructed to independently start desulfurization operation of the off-gas treatment system relative to the particle filter regeneration operation on the basis of the desulfurization requirement of the off-gas treatment system. The desulfurization operation is achieved by raising the off-gas temperature in the off-gas treatment system to the desulfurization temperature. The invention further discloses an off-gas treatment method. According to the off-gas treatment system and method used for the diesel engine, white smoke can be avoided.

Off-gas treatment system and method used for diesel engine

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Off-gas treatment system and method used for diesel engine