Dust-free clean workshop dust removal equipment
Dust-free clean workshop dust removal equipment
In the bag filter, the filter bag is made of cotton, wool or synthetic fiber fabric, which is set on the short pipe of the flower plate connected with the air inlet. The air inlet filter has two types of upper air inlet and lower air inlet. It enters the filter bag from the upper or lower inlet, the particles are left in the bag, and the purified air is passed through the filter bag...
Text label: dust-free clean pharmaceutical cleanroom, dust removal equipment, design and installation
Dust-free clean pharmaceutical cleanroom dust removal equipment
In the bag filter, the filter bag is made of cotton, wool or synthetic fiber fabric, which is set on the short pipe of the flower plate connected with the air inlet. The air inlet filter has two types of upper air inlet and lower air inlet. It enters the filter bag from the upper or lower inlet, the particles are left in the bag, and the purified air escapes from the filter bag. The particles fall in the opposite direction and flow in the opposite direction, so that the falling particles may be raised, and the effect is not ideal. Generally, the diameter of the filter bag is 120-300mm, and the bag length is 2-3.5m. The main part of the cyclone separator is cylindrical, and the lower part is conical. The dust-laden gas enters tangentially from the rectangular air inlet pipe on the upper side, and the airflow moves from bottom to top along the inner wall of the cylinder. The upper part rotates along the center of the cylinder to the discharge pipe; during the rotation of the air flow, the dust is thrown to the chamber wall under the action of centrifugal force, and is carried to the bottom of the cone by the downward air flow, and falls on the collecting hopper to be separated from the gas.
Venturi dust collectors and turbulent flow tower dust collectors are commonly used wet dust collectors, which make the dust-laden gas fully contact with the liquid, and the dust particles adhere to the liquid to form a suspension, so as to achieve gas purification. Large contact surface, the two phases are in a severe turbulent state; the wet dust removal efficiency is very high, and the particles of 0.1-1μm can be removed. The shrinking tube, the throat tube and the expansion tube are connected by three sections. The water flows in through many small holes evenly around the throat tube, and is collided by the high-speed airflow to form mist droplets, which make the dust particles wet and coalesce and increase and enter with the gas. The cyclone separator is separated from the gas. The electrostatic precipitator makes the gas containing dust particles or mist droplets pass through the high-voltage DC electrostatic field between the two poles. The ions generated after the gas is ionized are attached to the dust particles or mist droplets. The properties tend to be opposite to the electrodes respectively. After being neutralized, they are deposited on the electrodes, and fall into the ash hopper by beating, shaking or washing. The electrostatic precipitator can capture dust particles and mist droplets of 0.1μm or smaller; the separation efficiency can reach 99.99%; it can handle high temperature gas at about 500 °C; the resistance is small, and the gas processing capacity is large; disadvantages: high cost, management Strict requirements. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for dust-free workshops and clean workshops.
In the process of antibiotic fermentation, a large amount of sterile and clean air is required. For this purpose, an air filter is required to remove fine dust particles and bacteria. The vertical circular air filter is equipped with activated carbon, absorbent cotton, glass wool, and ultra-fine glass fiber. For substances with strong adsorption properties, the air flow rate is generally 0.1-0.3m/s. If activated carbon is used and the cotton is compressed, the resistance will increase, and the wind pressure should be appropriately increased to ensure sufficient air flow. Turbulent flow tower dust collector, a certain amount of hollow plastic balls are placed on the porous sieve plate in the tower, and there is a liquid spray device in the upper part of the tower. It has been updated and strengthened the gas-liquid contact, so the dust removal efficiency is very high, and the turbulent flow tower can not only remove dust but also absorb it. Pulse bag filter is mainly composed of filter bag and its skeleton, shell, ash cleaning device, ash hopper and ash discharge valve, etc. It uses bag filter cloth to separate heterogeneous mixtures; the structure of bag separator It is relatively simple. Several filter bags are combined into a group and installed vertically in a metal container with a conical bottom. The lower mouth of the bag is tightly sleeved on the short tube of the flower plate, and the upper end is suspended on a frame that can vibrate; The inner filter bag is filtered and unloaded at one time. After the dust-containing gas enters from one side of the bag filter, it enters the bag from the lower end of the bag through the flower plate. The gas passes through the filter bag and the dust is left in the bag. On the surface, the purified gas overflows through the gas outlet, which is filtering; air is blown in from the outside of the bag in the opposite direction, and the filter bag is vibrated by the automatic vibration machine at the upper end of the filter bag, so that the trapped air in the bag is removed. Dust particles are discharged, which is dust discharge; the alternation of filtration and dust discharge processes is controlled by an automatic controller.
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