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Dust removal equipment technology of sand production line



During the production process of the sand making machine production line, due to crushing, screening, belt conveying, blanking and other reasons, dust will definitely be raised. And because the ore usually contains a large proportion of silicon dioxide, often called silicon, its dust must also contain silicon. This kind of dust is difficult to be discharged after being sucked into the human lungs. Over time, people will suffer from a very serious occupational disease, silicosis. Therefore, the method of controlling dust is to install a bag filter. After acceptance by the environmental protection department, the dust removal effect of the sand production line is good.


Dust removal equipment technology of sand production line


The main structure of the sand maker bag filter is composed of an upper box, a middle box, an ash bucket, an ash discharge system, a spray system and a control system. It is also equipped with foundation pillars, ladders, railings, and access doors. The lower air intake structure is adopted. Dust-containing smoke enters the ash hopper from the air inlet through the lower part of the middle box. Some large dust particles are caused by inertial collision and natural settlement. Fall directly into the ash hopper, other dust particles rise with the air flow, are filtered by the filter bag, the dust particles are blocked outside the filter bag, the purified gas enters the upper box from the inside of the filter bag, and then passes through the air duct and fan from the air outlet Drain into the atmosphere. The discharger periodically or continuously discharges dust from the ash hopper.


As the filtering process continues, the dust deposited on the outside of the filter bag increases continuously, which causes the resistance of the bag filter to increase continuously. When the resistance reaches a preset value (which can be determined during equipment commissioning), the dust cleaning controller issues Signal, then open the electromagnetic pulse valve, and spray 0 .. 4-0.5 MPa compressed air into the box in a short time. Compressed air is sprayed onto the filter bag in a very short time (0. 1-0. 2s) through the nozzles on the airbag, pulse valve and blow pipe. Compressed air expands at high speed in the box, causing high-frequency vibration and deformation of the filter bag. In addition, due to the reverse air flow, the dust outside the filter bag will fall off. After ensuring that the dust has come off, open the next solenoid pulse valve for a while. During dust removal, each solenoid valve is separately performed in a predetermined order without interference, and realizes long-term continuous operation.


砂生产线除尘设备工艺


Main performance characteristics of sand production line dust removal equipment process:


1. The bag type dust removal structure is more reasonable, and the filtering wind speed is still within the normal range during online dust removal, which greatly extends the service life of the bag.

2. Quick-open cover on the top of the bag filter for easy maintenance

3. The bag-type dust collector used is a bottom air inlet structure and is provided with a pre-collection mechanism, which not only overcomes the defect that dust directly scours worn cloth bags, but also improves the collection effect.

4. All key parts of the vacuum cleaner are imported parts. For example, the pulse valve is an imported part, and the service life of the diaphragm is more than 1 million times. The surface of the bag cage is siliconized, which can effectively prevent corrosion and is more suitable for dust removal of special gases. .

5. The equipment has perfect automatic control. There is no need for manual operation after the machine starts. With the automatic opening of the ash discharge valve, the collected dust will automatically flow into the raw material barrel.

6. The connection between the cloth bag, the cage and the flower plate adopts a unique structure, which makes the cloth bag fixed more reasonably, more convenient to install and replace, and can better ensure the installation size of the cloth bag.

7. The dust removal efficiency can reach 99.9%, and the dust emission is ≤20 mg / m3.

8. It is not affected by dust properties such as soot composition, dust concentration, particle dispersibility and specific resistance.

9. It has strong adaptability to dust, and can adapt to dust conditions with high specific resistance, high concentration, and particles that are not easily collected by electrostatic precipitators.

10. While collecting the powder, the auxiliary measures can also effectively remove toxic and harmful gases such as ultrafine particles, as, Hg, se and other heavy metals, which have a synergistic effect.

11. The structure is relatively simple, and the operation and maintenance are convenient. The main ash removal process can be automatically controlled by the program, which greatly reduces the operation and maintenance costs.


的砂生产线除尘设备工艺欢迎致电400-622-6298 ,我司为您提供更多的服务! More Yuchen dust removal equipment manufacturers of sand production line dust removal equipment technology welcome to call 400-622-6298 , our company will provide you with more services!


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Industrial dust removal equipment manufacturers_Dongguan Yuchen Machinery Technology Co., Ltd. Copyrightn 2013 Sitemap visits: [ Baidu Statistics ]
Manufacturer of dust removal equipment_Telephone : 0769-8125 6298/81256299 Contact person : Ms. Xie / 13922901739 Sales person of industrial dust removal equipment: Mr. Wang / 13600259680
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