In the area of industrial dust management, bag cleaners are a central option for most enterprises because of their efficient dust capture capacity, but selectional deviations and inadequate maintenance under different conditions often lead to emissions that fall short of standards or reduced equipment lifetimes. This paper removes the core parameters of the bag cleaners from the technical dimension and, in combination with real industrial cases and national specifications, provides practical guidance to enterprises, with reference to products such as the main bag cleaners and grinding cabinets, to support non-standardized requirements。
The three key parameter filters of the bag cleaner core filter selection are the core parts of the bag cleaner, which directly determine the efficiency of dust purification and the service life of the equipment, focusing on three parameters: the first is the temperature tolerance range of filters, which, for high-temperature conditions such as boilers, metallurgicals, requires the use of high-temperature caps such as 2 tons of flugus in yunnan kunming boilers to achieve emission concentrations below 20 mg using 2. 5 m long fluorium caps; the permanent carpentry, furniture plant conditions may select scrubber filters, and 140 bags of scrubbing filters with 18. 5 kw windmills in the aoshima furniture plant to stabilize through the ring evaluation. The second is filter accuracy, which allows membrane filters to capture 0. 3 μm class dust, which applies to fine dust conditions such as welded smoke, and 798 4-metre long membrane bags in shanxi yang springs, with emission concentrations below 10 mg. Third is the corrosivity of filters, and the alkaline dusts in the chemical industry are selected for pps filters in order to avoid rapid aging of filters. Security alerts: high-temperature conditions require the selection of high-temperature-resistant filters tested by third parties, a strict ban on the private replacement of non-compliant materials and the prevention of security incidents arising from the burning of filters。
The flow match of the bag cleaners for different conditions is the basis for the operation of the bag cleaners to meet the standards. It is to be calculated in conjunction with the dust generation, workshop space, and emission requirements of the work: the small single-cell bag cleaners handle the wind volume of 1000-5,000 m3/h, which is suitable for local dust removal such as small grinding sites; the medium standard for the wind mass of 5000-30000 m3/h, which is suitable for medium-sized production lines such as the furniture factory line; and the large-scale industrial treatment of the wind mass of 30,000-100,000 + m3/h, which is suitable for centralized dust removal such as metallurgy workshops. A surplus of 15 per cent is required to be set aside for the calculation to avoid a shortage of wind due to fluctuations in production loads. The pre-sale team of sandong orest environmental equipment ltd. Will conduct one-on-one accounting for different conditions, such as the shanxi yang spring welding project, which matches 60,000 winds to ensure full dust capture。
The energy efficiency principles of the smart pulse ash system and the smart pulse ash system of the debugging point monitor the surface dust concentration of the filters in real time through the sensor and automatically regulate the ash-clearing frequency, reducing energy consumption by about 30 per cent compared with the conventional time ash. Three main points need to be noted when debugging: first, ash pressure, with conventional conditions set at 0. 2-0. 4 mpa, with high concentrations of dust being raised to 0. 4-0. 6 mpa; second, ash spacing, with shorter and longer intervals when dust concentrations are high, adjusted for dust concentration; and third, blow time, controlled at 0. 1-0. 2 seconds to avoid excessive dust-damaged filtering. The bag cleaners in orest, shandong, carrying the self-researched smart ash clean-up system, have acquired patent technology to achieve a 20 per cent increase in the life of the filters。
The non-specified core rectangular spectrometers cannot meet extreme conditions, and non-spectification becomes the necessary option. The core spectrometers include: high temperature blastproofing conditions, such as the aluminium magnesium metal grinding workshop, which requires customizing blastproof casings and electrostatic filters; corrosion resistant conditions, such as the alkaline dust in the chemical plant, which requires customization of stainless steel casings and pps filters; and special space conditions, such as the need for the narrow workshop to customize alien boxes. We support the non-standardization of the whole scene through the production of the main bag cleaners, grinding cabinets, etc., which cumulatively provides a customized programme for 1000+ enterprises, covering a wide variety of types of work such as boilers, welding, carpentry etc。
The day-to-day maintenance of industrial bag cleaners and failure predictions will significantly reduce the failure rate of the bag cleaners, focusing on three tasks: the first is to check daily whether the filter is broken and the data can be predicted by emission concentrations, and if there is a sudden increase in the concentration, there is a break in the filter; the second is to clean up the ash collection on a weekly basis so as to avoid overstretching the ash valve; and the third is to check monthly aerodynamic components such as pulse valves and gas cylinders to ensure stability of air pressure. In the case of failure predictions, the wind bearings are checked for wear if the equipment is operating with too much noise, and if the ash effect is reduced, the pulse valve is checked for congestion. The after-sale team in orest, shandong, will provide regular return visits and maintenance guidance, clarify response time limits and ensure stable operation of equipment。
The nationally based basis for the emissions of the bag cleaners to meet the standards and the emission of the test point bag cleaners are subject to the integrated air pollutant emission standards (gb 16297-1996), with subdivision criteria for different industries: e. G. The particle emission limit of 120 mg/m3 (maximum permissible emission concentration) in the integrated air pollutant emission standards for furniture plants, and the particle emission limit of 20 mg/m3 in the standard for atmospheric pollutant emission from boilers (gb 13271-2014). At the time of testing, sampling points will be set at 1. 5 times the diameter of the exhaust tank, with three continuous work cycles monitored, taking averages as the end result. Bag cleaners in orest, shandong, are designed according to national standards to ensure product compliance and help enterprises pass the eea successfully。
The high concentration of dust from the grinding cabinets and the bag scrubbers is resolved by the kinetic dust removal programme, which cannot be managed efficiently by a single grinder or bag cleaner, which can increase the efficiency of decontamination: dry pulse grinding cabinets are responsible for capturing the local dust from the workspace, and the partially captured dust is transported through the pipeline to the bag cleaners for secondary decontamination, resulting in emission concentrations of 10 mg/m3. In connection, attention is to be paid to the wind speed of the pipe at 12-18 m/s to avoid dust deposition within the pipe. The grinding cabinets at our main camp can be customized for non-platforms with bag cleaners, and the grinding workshop programme in orest, shandong, has landed in several mechanical manufacturing enterprises to improve the working environment while ensuring compliance。
Disclaimer: the technical parameters of this paper are based on a general overview of the work, the selection and commissioning of which need to be combined with the actual work of the enterprise and determined by an on-site survey by a professional team。
