CN201128854Y - Dust-removing apparatus of asphalt mixer - Google Patents

Abstract

The utility model belongs to pavement engineering machines and relates to a dedusting device used in a asphalt-mixing equipment. The dedusting device for asphalt-mixing equipment comprises a gravity dust collector connected with a wind inlet and a bag type dust collector connected with a wind outlet, and a dust collector cyclone is connected between the gravity dust collector and the bag type dust collector. The dedusting device for asphalt-mixing equipment not only increases dedusting efficiency and prevents a filtering bag in the bag type dust collector from being damaged but also greatly facilitates the reasonable distribution and utilization of power, which helps improve the mixing quality of the asphalt-mixing equipment and save mixed materials.

Description

Pitch mixing mixing plant dust arrester

Technical field

The utility model belongs to field of road engineering machinery, relates to a kind of pitch mixing mixing plant dust arrester.

Background technology

In the pavement construction machinery industry, asphalt mixing plant is widely used in the stirring of black pavement material, and the deduster device is absolutely necessary in asphalt mixing plant.The deduster device that adopts should have high efficiency of dust collection, and the function that possesses controlled powder process dirt granular size again is so that be used.

The deduster device of common use all adopts the two-stage dust removal technology, and its one-level deduster is gravitational precipitator or cyclone dust collectors, sends into facilities of mix storied building through its material that detaches and participates in stirring; Secondary ash collector all is a sack cleaner, and it is standby to send into the powder recovery bin through its powder that detaches.

If primary dust removing adopts gravitational precipitator, because its efficient is not high, bigger dust granules enters the secondary sack cleaner, damages filter bag easily, has reduced dust removing effects, and equipment dependability is not high, and causes raw-material waste, influences the grating of finished product material; If primary dust removing adopts cyclone dust collectors, because its efficiency of dust collection is higher, the stone flour that a large amount of particles are thinner can enter facilities of mix storied building through this level, be unfavorable for the control that dust reclaims, cause the interior powder content of aggregate bin too high easily, cause the pitch use amount too high, very uneconomical, and cause the waste of pitch, influence the quality of finished product material.

Summary of the invention

Technical problem to be solved of the present utility model is, a kind of efficiency of dust collection height is provided, and is convenient to the recycling of dust, can save stirring material, improves the pitch mixing mixing plant dust arrester of the quality of finished product material.

Pitch mixing mixing plant dust arrester of the present utility model includes the gravitational precipitator and the sack cleaner that is connected the air outlet place that are connected the air intake place, it is characterized in that, between gravitational precipitator and sack cleaner, be connected with cyclone dust collectors.

The utility model adopts 3-stage dust-removal, between gravitational precipitator and sack cleaner, be provided with cyclone dust collectors, improved efficiency of dust collection on the one hand, avoided the damage of filter bag in the sack cleaner, on the other hand in use, the big dust particle that gravitational precipitator is deviate from can directly be sent into facilities of mix storied building and participate in stirring, the powder that sack cleaner is deviate from can directly send the powder recovery bin, and can select as required to distribute to the powder that cyclone dust collectors are deviate from, send into facilities of mix storied building or powder recovery bin or throw aside, so just greatly facilitate the reasonable distribution utilization of powder, help improving the mixing quality of mixing plant, save stirring material.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

The specific embodiment

As shown in the figure, the utility model in the course of work is: the flue gas that dram is discharged enters first order gravitational precipitator 1 from air intake 4, and the bigger dust granules of great majority drops at this, and the dust of this part is sent into facilities of mix storied building and participated in stirring; Flue gas enters second level cyclone dust collectors 2 then, and a part of dust removes down at this, and the dust of this part can optionally use, or enters facilities of mix storied building and directly participate in to stir or enter recovery bin and utilize or throw aside; Last flue gas enters third level sack cleaner 3 and obtains filtering, and discharges through air outlet 5, and whole dust of deviating from are all recyclable.

Claims (1)

1, a kind of pitch mixing mixing plant dust arrester, include one and be connected gravitational precipitator (1) that air intake (4) locates and one and be connected the sack cleaner (3) that air outlet (5) is located, it is characterized in that: between gravitational precipitator and sack cleaner, be connected with cyclone dust collectors (2).

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