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320TPH Container Type Hot Mix Asphalt Plant Environmental Protection Feature

QLB-HX4000

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Description

320TPH container type environmental protection hot mix asphalt plant

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1, Dust pollution prevention and control measures

1. Cold aggregate supply system

Cold hopper, cold feed belt conveyor in dry weather (or dry stone), when loading the material in the forklift, a lot of dust will generate; when the belt conveyor feeding, especially high dust content of fine aggregate (the maximum content of dust may reach 25% or more), because of the stone drop and velocity shock, a lot of dust will generate.

In response to these phenomena, we mounted segregated dust collection device on each of the cold hopper, and add a special bag filter for collecting dust generated during forklift loading and belt conveyor feeding.

And adopt real-time magnetic induction tracking technology, when the loader feeding, the duct valve dust of the dust collection device on the cold hopper will be automatically opened to allow dust to enter the bag filter.

Belt feeders and belt conveyors use closed transport way, dust inlet is set in the key position of dust, and air flow is adjustable, collected dust will be sent to the b ag filter for centralized treatment.



2, Drying system

Cylinder is covered by rock wool insulation layer and placed stainless steel plate of outer layer, thermal insulation, sound insulation; cylinder ends sealed by labyrinth seal + high temperature rubber sheet seal; the dryer is installed with pressure instrument and linked with the inducted draft fan, so that the dryer is always in the negative pressure state, no dust spills.



3, Main building system

Vibrating screen, hot stone weighing hopper and hot aggregate silos, mixing tank junction adopts the new high-temperature composite sealing material connecting structure; Stone weighing hopper door hinge using made-to-order seals; vibrating screen top increases secondary ventilation device , balancing equipment internal pressure and collecting dust for centralized processing, making the main building always under state of negative pressure during working; Thus ensuring the device isolated from the outside when using, no leakage, to prevent the overflow of dust of the main mixing building. gin-bottom-alt: auto;text-align:left;mso-pagination:widow-orphan& acute;>Belt feeders and belt conveyors use closed transport way, dust inlet is set in the key position of dust, and air flow is adjustable, collected dust will be sent to the b ag filter for centralized treatment.

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Specification

QLB-H Series Environmental-protection Type Asphalt Mixing Plant Data Form

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Name | Specification |
Model QLB-H environmental –protection type | QLB-H2000 | QLB-H 3000 | QLB-H 4000 | QLB-H5000 |
Rated productivity | 160t/h | 240t/h | 320t/h | 400t/h |
Volume/number of cold bin | 10m3/5 | 12m3/5 | 16m3/6 | 16m3/6 |
Dust collect type | Air back flush |
Dust collect result | No more than 30mg/Nm3 Ringe-Imann grade 1 |
Fuel | Diesel/heavy oil/coal powder | Diesel/heavy oil |
Volume/number of hot bin | 50t/5 | 80t/5 | 95t/6 | 95t/6 |
Precision of aggregate metering | Less than ±1.0% | Less than ±0.5% |
Precision of powder metering | Less than ±1.0% |
Precision of asphalt metering | Less than ±0.5% |
Mixer ability KG/batch | 2000 | 3000 | 4000 | 5000 |
Volume/number of asphalt tank | 50m3/2 | 50m3/4 | 30m3/4 | 30 m3/5 |
Finished product bin volume(T) | 120 | 160 | 220 | 220 |
Total power(KW) | 475 | 690 | 910 | 990 |
Control system | Full auto computer control(PLC+LED+mouse) |
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