Dust remover with thickness-controllable, sorted and continuous accumulation shelf layer, and operation method thereof

An operation method of a dust remover capable of forming a thickness-controllable, sorted and continuous accumulation shelf layer on an outer surface of a bag or filter cartridge, the dust remover comprising a gas purification chamber, a dust filtration chamber, an ash bucket and a high-pressure gas pulse-jet deashing device, wherein a purified gas outlet of the gas purification chamber is connected to a purified gas outlet pipe which is communicated with an exhaust fan;

• a dust-containing exhaust gas inlet of the dust filtration chamber is connected to an exhaust gas inlet pipe which is communicated with a dust source;
• the bag or filter cartridge is provided inside the dust filtration chamber, and an open end of the bag or filter cartridge is communicated with the gas purification chamber;
• the high-pressure gas pulse-jet deashing device is provided above the open end of the bag or filter cartridge, the ash bucket is provided at a lower end of the filtration chamber, and a sealable cinder valve is provided at a lower end of the ash bucket, and a valve is provided on the exhaust gas inlet pipe and/or the purified gas outlet pipe, the method being characterized in that,
• when the dust remover needs to perform off-line deashing after a period of dedusting, closing the valve on the exhaust gas inlet pipe and/or the purified gas outlet pipe, and then starting up the high-pressure gas pulse-jet deashing device to perform pulse-jet deashing on the bag or filter cartridge, wherein the cycle of the pulse-jet deashing is ΣT, wherein ΣT=[n(t1+t2)+t3]x, wherein pulse width t1 is 80-120 ms, pulse interval t2 is 10-300 s, the number of the pulse-jet devices is n, small cycle interval t3 is 10-300 s, and the number of small cycles x is 2-4;
• and
• after the high-pressure gas pulse-jet deashing device completes the pulse-jet deashing and waits for an interval time ΔT, opening the valve on the exhaust gas inlet pipe and/or the purified gas outlet pipe to continue the dedusting, wherein the ΔT is 300 s to 3600 s, and the distance L from the valve on the exhaust gas inlet pipe to the exhaust gas inlet of the dust remover is 0-1.0 m.

An operation method of a dust remover capable of forming a thickness-controllable, sorted and continuous accumulation shelf layer on an outer surface of a bag or filter cartridge, the dust remover comprising a gas purification chamber, a dust filtration chamber, an ash bucket and a high-pressure gas pulse-jet deashing device, wherein a purified gas outlet of the gas purification chamber is connected to a purified gas outlet pipe which is communicated with an exhaust fan;

• a dust-containing exhaust gas inlet of the dust filtration chamber is connected to an exhaust gas inlet pipe which is communicated with a dust source;
• the bag or filter cartridge is provided inside the dust filtration chamber, and an open end of the bag or filter cartridge is communicated with the gas purification chamber;
• the high-pressure gas pulse-jet deashing device is provided above the open end of the bag or filter cartridge, the ash bucket is provided at a lower end of the filtration chamber, and a sealable cinder valve is provided at a lower end of the ash bucket, and a valve is provided on the exhaust gas inlet pipe and/or the purified gas outlet pipe, the method being characterized in that,
• when the dust remover needs to perform off-line deashing after a period of dedusting, closing the valve on the exhaust gas inlet pipe and/or the purified gas outlet pipe, and then starting up the high-pressure gas pulse-jet deashing device to perform pulse-jet deashing on the bag or filter cartridge, wherein the cycle of the pulse-jet deashing is ΣT, wherein ΣT=[n(t1+t2)+t3]x, wherein pulse width t1 is 80-120 ms, pulse interval t2 is 1-20 s, the number of the pulse-jet devices is n, small cycle interval t3 is 1-20 s, and the number of small cycles x is 1-2;
• and
• after the high-pressure gas pulse-jet deashing device completes the pulse-jet deashing and waits for an interval time ΔT, opening the valve on the exhaust gas inlet pipe and/or the purified gas outlet pipe to continue the dedusting, wherein the ΔT is 0 s to 300 s, and wherein the distance L from the valve on the exhaust gas inlet pipe to the exhaust gas inlet of the dust remover is 1.0-10 m.