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A dust collection hood is set up in each ash place, and the dust-containing gas is transported to the dust removal device through the pipeline gas path, in which the dust is collected in the dust removal device after the gas-solid separation is carried out, and the clean gas is introduced into the main pipe or directly discharged into the whole set of equipment into the atmosphere, that is, the dust removal system, and the dust collector is an important part of the system. From the perspective of ventilation and dust removal, dust is all solid small particles that can float in the air for a long time, and is a dispersion system, called aerosol, in which air is the dispersed medium and solid particles are the dispersed phase. A dust collector is a device that separates these small solid particles from aerosols.
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1.Bag-type industrial dust collectors:
This kind of industrial dust collector is actually mainly used in building materials, grain, mines and other places. It works by the equipment to collect the dust.
2.Industrial dust collectors for cartridge filters:
This type of industrial dust collector is mainly used in chemical, food, pharmaceutical and other industries. It works by a high-pressure airflow backflush as well as a pulsed airflow jet.
3.Desulfurization industrial dust collectors:
This kind of industrial dust collector can be mainly used in the treatment of coal-fired power generation exhaust gas, and at the same time, it can also have the effect of energy saving and environmental protection.
The above three types of industrial dust collectors are actually often seen in daily life, if you don't believe it, just carefully observe the surroundings!
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Bag filters are widely used in mining, metallurgy, machinery, building materials, chemical industry, light industry and other industrial sectors. Its working principle is that when the gas containing dust passes through the filter bag in the bag filter, due to the filtration effect, only the gas is penetrated, and the dust is trapped on the surface of the filter bag to achieve the purpose of dust removal. Compared with other dust collectors, the advantage of bag filter is that the filtration efficiency is higher, generally above, therefore, the gas discharged from the dust collector contains less dust, which can meet the requirements of environmental protection emission standards; Under the condition that the filtration speed is selected appropriately and the ash cleaning method is appropriate, the change of inlet dust concentration has little effect on the dust removal efficiency and pressure loss. The equipment has high operational stability and strong adaptability; It is convenient for useful materials to achieve comprehensive utilization.
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There are many types of industrial dust collectors, so there are many ways to use them, and they can be used alone or together. Therefore, the scope of application varies from category to category. Such as PDX industrial vacuum cleaners, which are divided into multiple series:
L series can be used in medicine, electronics, food processing, machinery manufacturing, metal processing and other places such as large particles, a large number of debris, solid-liquid mixtures and a small amount of liquid. O series** vacuuming, the main unit of the dust removal system can be connected with the pipe or used with the production line or production equipment, and one machine can be equipped with multiple suction outlets.
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Dust removal equipment is divided into 5 categories according to the working principle:
1. Mechanical dust removal equipment: gravity settling chamber, inertial dust collector, cyclone dust collector.
Principle: The mechanical dust collector uses the action of mass forces (gravity, inertia force, centrifugal force, etc.) to separate the particles from the air flow.
2. Wet dust collector: spray tower scrubber, venturi scrubber, self-excited dust collector, water film dust collector.
Principle: make the dusty gas in close contact with the liquid (generally water), and use the inertial collision of water droplets and dust particles and other actions to capture dust particles or increase the particle size.
3. Filter dust collector: bag dust collector, particle dust collector.
Principle: The dust removal mechanism of the filtered dust removal equipment is similar to that of a mask, and the dusty airflow separates and captures the dust through the filter material.
4. Electrostatic precipitator: dry precipitator, wet electrostatic precipitator.
Principle: Dust-containing gases charge dust particles during ionization by a high-voltage electric field. And under the action of electric field force, the dust particles are deposited on the dust collection electrode, and the dust particles are separated from the dusty gas.
5. Magnetic dust removal equipment.
Principle: the use of conductive coil to generate magnetic field, adsorption of magnetic particles, mainly used in industrial waste gas such as steel, the dust particles in these exhaust gas about 70 or more have strong magnetism, so you can use a magnetic filter, the magnetic particles are sucked out of the gas, purify the air.
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The operation of industrial dust collector equipment has its working principle, and the working principle of dust removal device is that the dust removal device is commonly known as the dust collector, which is a device for removing or reducing the fly ash content in the flue gas. The types of dust removal devices can be divided into biological nanomembrane dust suppression devices, cloud dust suppression devices, cloud dust suppression devices, bag dust removal devices, cyclone dust removal devices, wet dust removal devices, electrostatic dust removal devices, and desulfurization dust removal devices. It is used in chemical, petroleum, metallurgy, construction, mining, machinery, textile and other industries.
Working principle of dust removal device: The dust collector is composed of ash hopper, upper box, middle box, lower box and other parts, and the upper, middle and lower boxes are chamber structures. When working, the dust-containing gas enters the ash hopper from the air inlet duct, the coarse dust particles fall directly into the bottom of the ash hopper, the fine dust particles enter the middle and lower boxes with the air flow turn, the dust accumulates on the outer surface of the filter bag, and the filtered gas enters the upper box to the clean gas collection pipe and exhaust duct, and is discharged to the atmosphere through the exhaust fan.
The ash cleaning process is to first cut off the air outlet air duct of the room, so that the cloth bag of the room is in a state of no air flow through. Then open the pulse valve to pulse the injection ash with compressed air, the shut-off valve closing time is enough to ensure that the dust stripped from the filter bag after the injection settles to the ash hopper, so as to avoid the phenomenon that the dust is attached to the adjacent filter bag surface with the air flow after leaving the surface of the filter bag, so that the filter bag is cleaned thoroughly, and the exhaust valve, pulse valve and ash discharge valve are fully automatically controlled by the programmable controller.
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Filter dust collector refers to the equipment that when the dust-containing flue gas pores pass through the filter layer, the dust particles in the air flow are intercepted and captured by the filter layer, so as to realize the separation of gas and solids.
The filter dust collector includes a bag filter and a particle layer dust collector, the former usually uses a filter bag made of organic fiber or inorganic fiber fabric as a filter layer, while the filter layer of the latter is mostly composed of particles of different particle sizes, such as quartz sand, river sand, ceramsite, slag, etc.
With the repeated attachment of the powder to the outer surface of the filter bag, the powder layer continues to thicken, and the resistance value of the bag filter also increases. The pulse valve diaphragm sends out a command, the pulse valve is opened when the left and right are submerged, the compressed air in the high-pressure air bag is passed, and if there is no dust or it is small to a certain extent, the mechanical ash cleaning work will stop working.
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Principle of dry dust collector: after the dust is sucked into the dust collector, it is filtered through the filter, and the large particles of dust will fall directly into the collection barrel and collection box inside the dust collector, and the fine dust will be trapped on the surface of the filter. Wet Dust Collector Filtration Principle:
After the dust is sucked into the dust collector, it is mixed with the moisture of the filter medium and settled, so as to capture the dust. Welcome to contact our company for consultation, let our professionals explain for you in detail.
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I think the answer to this question asked by this friend is obvious, air is the only thing that accompanies us 24 hours a day but cannot be seen, its impact on the human body is subtle, accumulating, if we do not pay attention to air quality for a long time, it will affect our physical health and life efficiency.
The industrial dust collector can do: smoke and dust removal, sterilization and disinfection, odor elimination, formaldehyde removal and other harmful substances in the room. Of course, because there are many brands of industrial dust collectors on the market, you must choose a first-class business with reliable strength and reputation when choosing.
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It is useful for the collection of waste in the industrial production process, dust collection, air filtration and purification, and environmental cleaning, which can purify the air and improve the environment.
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Yes, the dust collector is a device that separates the dust from the flue gas, which is called a dust collector or dust removal equipment. It can purify the air, eliminate air pollution, and meet the requirements of environmental protection.
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Of course, the role of the bag filter:
It is mainly to remove the dust generated by the industry and reduce the emission of air pollution, the bag filter valve is used to spray the dust cleaning technology of the bag filter bag one by one, which can collect the above dust from a lot of ultra-fine powder and high concentration gas, the dust collector has the leading level in China, and its main technology is the first in China. Now under the conditions of environmental protection standards of the national heart, it is not only widely used in the dust control of cement occupations, but also widely used in the deep processing of non-metallic mineral fine powders, and also has good application prospects in chemical, metallurgical, steel, iron, electric power and other occupations.
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The design and production of bag dust collectors require business licenses, production, design, construction qualifications, bad environment, tax registration certificates, organization certificates, etc.
Industrial dust collector, also known as industrial vacuum cleaner, industrial dust collector is an industrial dust collection equipment used for industrial purposes to collect and absorb waste medium particles, dust smoke, oil and water generated during production, operation and transportation.
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Business license, tax registration certificate, organization ** certificate, these three are required.
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It plays a purifying role in the smoke and dust generated in the industrial production process (industrial kiln, material transfer, etc.), removes most of the dust in the dust-containing air, greatly reduces the dust content of the exhaust gas, and reduces environmental pollution. The effect is still very significant, but at present, the purification efficiency of any kind of dust collector is less than 100%, and the capture rate is not up to 95%, so there will still be a small part of the pollutant removal, but economic development is currently inseparable from industry, and industrial production activities will cause pollution, so in the case of weighing the pros and cons, recycling as much as possible and reducing pollution is king. Therefore, the state stipulates that new projects must be equipped with dust removal measures, otherwise the project will not be approved, which is still correct.
I live in a heavy industrial city, I couldn't see the blue sky when I was a child, and the red and gray smoke in the sky was full of smoke, but with the progress of technology and the requirements of national policies, the old production process was eliminated, and the new equipment added dust removal equipment.
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Industrial vacuum cleaners can absorb all kinds of metal, non-metal, oil, water and other particles and liquids, can absorb toxic and harmful gases, can improve the quality of products in the textile industry, can purify the air, and improve the environment.
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At present, the first industrial dust removal equipment on the market is generally 5,000 yuan - 30,000 yuan, in fact, the air volume, flue gas composition, and flue gas properties of each enterprise are different, so the dust removal scheme of different enterprises is not the same, and it is not the same, and there is no unified standard.
1. The popularity of the manufacturer. In comparison, the higher the popularity of the manufacturer, the higher, about 23,000 yuan, after all, this kind of manufacturer has advanced technology, can customize various styles of dust removal equipment for customers.
2. The quality of the equipment. The better the quality of the dust removal equipment, the more stable the performance, and the longer the service life, its ** is higher than the ordinary industrial dust removal equipment, about 18,000 yuan.
3. The purchase channel of the equipment is related.
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Industrial dust collector, also known as industrial vacuum cleaner, industrial dust collector is a device used for industrial purposes to collect and absorb waste media particles, dust smoke, oil and water generated during production, operation and transportation. At present, the most widely mentioned are electrostatic precipitators, bag filters, cyclone dust collectors, etc. ** There are many differences.
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Industrial dust collectors** are several times or even dozens of times more expensive than household dust collectors. Look at the industry requirements and environmental protection emission requirements.
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Industrial dust removal equipment is determined by technology and equipment quality, Tianzao environmental protection has professional and technical personnel to formulate and construct the program, in terms of quality and after-sales protection, and long service life.
When we choose, we should choose an industrial dust collector according to the requirements of our own working conditions, we must first look at what the industry we use when choosing, but no matter how we choose, we must know a truth, that is, when choosing an industrial dust collector, don't care too much about how it is, the key to choosing is to be suitable.
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The ** of industrial dust collector is high and low, depending on what one of your needs and requirements is, so as to help you extrapolate**.
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How big do you need a dust collector? Your name number can be given to you**.
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What are the types of industrial environmental protection dust removal equipment? What is the function of dust removal equipment? Different dust removal equipment can handle different substances, mainly for treating solids, gases, and liquids, that is, dust, harmful gases, and oil mist.
The following is an introduction to the types of dust removal equipment that are required for these three types, and only for reference.
1. Dust: The dust removal equipment that mainly deals with dust includes bag dust collector, filter cartridge dust collector, cyclone dust collector, pulse dust collector, etc., which is different names according to different filtration methods and different functions, the bag filtration area is large, the filtration accuracy is relatively low, the filter cartridge filtration area is relatively small, the filtration accuracy is high, the cyclone dust collector can separate solid substances of different thicknesses, and the pulse dust collector uses compressed gas to clean the dust, and the time interval is adjusted to automatically clean the dust. Small metal objects are polished burrs and stone cutting dust needs to be dusted with a grinding table.
2. Gas: A single-station filter cartridge dust collector, a centralized filter cartridge dust collector or a high negative pressure dust collector using dust source treatment can be used to treat welding flue gas. The cartridge dust collector is to float up after the welding fume occurs and remove the dust before diffusion, which has the advantage of not affecting the operation of the welder, and the disadvantage is that the welding fume still spreads, and the harm to the welder still exists.
The high negative pressure dust collector treats the welding fume at the welding source, and the advantage is that the diffusion of the welding fume is controlled in the minimum range, and the damage to the welder is minimal.
3. Liquid: Electrostatic precipitator can be used to deal with oil mist and dust, which is a high-pressure precipitator, which is used to solve the pollution problems of oil mist, water mist or dust in the production of machinery in the workshop, and there is also a separate oil mist purification equipment, also known as oil mist purifier, which is also to solve the problem of oil mist and smoke pollution in industrial workshops.
Dust collector accessories include skeletons, filter bags, cylinders, electromagnetic pulse valves, blow pipes, pulse controllers, star dischargers, plates, pole wires and various valves and other accessories. >>>More
The off-line ash cleaning pulse bag filter has a good dust collection effect under high dust concentration conditions, and the outlet dust concentration meets the environmental protection requirements. Some problems that are easy to occur in the process of use and solutions. 1. There are two main reasons for the poppet valve to jump and stop due to insufficient compressed air. >>>More
High-temperature dust bag refers to the dust bag made of filter material made of P84 (polyimide), Nomex (Metas), PPS (polyphenylene sulfide), PTFE (polytetrafluoroethylene), glass fiber, basalt and other high-temperature resistant fibers, the common feature of high-temperature dust bag is that the high temperature resistance is good, the temperature resistance is more than 200 degrees, among which the basalt dust bag with the highest high temperature resistance can reach 350 °, and the high-temperature dust-resistant bag is generally chemically excellent. Among them, PTFE (also known as polytetrafluoroethylene) is the best, which can resist strong corrosion. >>>More
Principle: The working principle of the bag filter.
After the dust-containing gas enters the ash hopper from the tuyere, a part of the coarser dust particles and the condensed dust mass fall directly due to the inertia and play the role of pre-dust collection. The air flow into the hopper turns upwards into the box, and as it passes through the filter bag with a metal skeleton inside, the dust is trapped on the outer surface of the filter bag. The purified gas enters the clean chamber at the upper part of the filter bag and is collected and discharged into the air outlet duct. >>>More
Compared with other dust removal equipment, the <> electrostatic precipitator has less energy consumption and high dust removal efficiency, which is suitable for removing 0 01-50 m dust in the flue gas, and can be used in the occasion of high flue gas temperature and high pressure. Practice has shown that the larger the amount of flue gas processed, the more economical the investment and operating costs of using the electrostatic precipitator.