Question 1

Q: What air pressure is required for the pulse jet cleaning system?

Accepted Answer

A: We typically recommend a stable compressed air pressure of 0.4-0.6 MPa. Our pulse controller can adjust the cleaning frequency and duration to accommodate different dust concentrations.

Question 2

Q: What is the typical replacement cycle for the filter bags?

Accepted Answer

A: Under normal maintenance and standard operating conditions, the filter bags typically last 1-2 years. Actual lifespan depends on dust characteristics, moisture content, and system operating resistance.

Question 3

Q: Can this dust collector handle high-temperature flue gas?

Accepted Answer

A: Yes. The standard model is suitable for environments 120. For higher temperature flue gas up to 260, we will configure special high-temperature resistant filter media, such as Nomex or PPS.

Question 4

Q: How do I determine when the filter bags need to be replaced?

Accepted Answer

A: You can observe the differential pressure gauge. When the operating resistance consistently exceeds 1500 Pa and there is no significant decrease in resistance after cleaning, or when dust leakage is detected through the inspection window, it indicates that the filter bags need to be inspected or replaced.

Question 5

Q: What is the noise level of the equipment? Are there any vibration reduction measures?

Accepted Answer

A: The fan unit has been dynamically balanced, and the operating noise is controlled within the standard range. We also offer optional fan silencers to further reduce operating noise.

Question 6

Q: Is this machine shipped as a complete unit or in parts?

Accepted Answer

A: To reduce transportation costs and protect the equipment, large and medium-sized equipment is usually shipped in a modular disassembly and assembly manner. We provide a complete set of installation drawings and video tutorials to ensure your team can easily complete the assembly.

Question 7

Q: Can I customize the material according to the dust type?

Accepted Answer

A: Of course. We support customized carbon steel and SS304/SS316 stainless steel materials. For flammable and explosive dust, we can also provide anti-static filter bags and pressure relief devices.

Question 8

Q: Can the power of the matching fan be adjusted?

Accepted Answer

A: Yes. Our engineers will precisely match the appropriate fan pressure and air volume according to your duct length, number of bends, and operating area to avoid wasting electricity.

Question 9

Q: How is the dust discharged from the ash hopper?

Accepted Answer

A: The standard configuration is a manual counterweight baffle valve. For fully automatic operation, an electric rotary ash discharge valve (star-shaped ash discharger) can be added to achieve continuous and uninterrupted automatic ash discharge.

Question 10

Q: What is the difference between "online" and "offline" cleaning of a pulse jet dust collector?

Accepted Answer

A: Online cleaning refers to the pulse jet circulating throughout the entire arrangement, without affecting the filtration effect. Offline cleaning, on the other hand, involves dividing the dust collector into multiple compartments and closing the inlet of one compartment at a time before cleaning. Offline cleaning is suitable for ultrafine dust and highly viscous dust.

Question 11

Q: Must the fan be installed after the dust collector?

Accepted Answer

A: Yes. This is called a "negative pressure arrangement." Positioning the fan within the purified airflow effectively prevents impeller wear or dust blockage, significantly extending the fan's lifespan.

Question 12

Q: What are the consequences of insufficient compressed air (low pressure)?

Accepted Answer

A: It leads to insufficient cleaning kinetic energy, preventing dust from completely detaching from the filter bag surface. This causes a sharp increase in system operating resistance, ultimately resulting in reduced airflow and dust dispersion at the work site.

Question 13

Q: Is there a risk of excessive dust accumulation in the ash hopper?

Accepted Answer

A: Yes. The dust hopper is primarily for ash discharge and should never be used as a storage hopper. Excessive dust accumulation can clog the air inlet, even burn out the dust collection bags or cause the dust collector support to collapse. It is essential to ensure that the dust discharge valve discharges dust regularly or automatically.

Question 14

Q: What automation communication protocols does your pulse jet dust collector support?

Accepted Answer

A: Our PLC system supports protocols such as Modbus and Profinet, allowing real-time data such as differential pressure, motor current, and dust collection status to be connected to the customer's DCS or central control system for remote monitoring.

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