CN201817115U

CN201817115U - Dust collecting system of cement clinker bridge type grab ship unloader

Info

Publication number: CN201817115U
Application number: CN2010205282533U
Authority: CN
Inventors: 李钟�; 王兵; 龚伟; 赵红朋
Original assignee: WUXI GONGLI ENGINEERING MACHINERY PLANT
Current assignee: WUXI GONGLI ENGINEERING MACHINERY PLANT
Priority date: 2010-09-14
Filing date: 2010-09-14
Publication date: 2011-05-04
Anticipated expiration: 2020-09-14

Abstract

The utility model relates to a dust collecting system of a cement clinker bridge type grab ship unloader. A pulse bag dust collector is arranged on each side of a funnel; each pulse bag dust collector comprises two pulse bag dust collection chambers; two dust collection air pipes are distributed on the left side and the right side of the funnel and are communicated with each other; the dust collection air pipes are respectively connected with the pulse bag dust collection chambers; and a dust collection box is arranged on the periphery of the funnel, a funnel grid is arranged on the inner cover plate of the dust collection box, butterfly valves are arranged on the dust collection air pipes, and an air stopping wall is combined together with the dust collection box. The dust collecting system changes the single water-spraying dust collection manner, adopts the principle of suction air pressure to suck cement clinker dust into the dust collection pipeline and the dust collection box, and utilizes the pulse bag dust collectors to collect dust. The dust collecting system is stable, overcomes the incomplete dust collection problem of the dust collection in the prior art, and effectively collects dust. The dust collecting system not only recovers cement clinker, more importantly, protects the environment and meets the economic indicator specified by the country for low carbon and environmental friendliness.

Description

The dust collecting system of cement clinker bridge-type grab ship unloader

Technical field

The utility model relates to a kind of dust collecting system of cement clinker bridge-type grab ship unloader, specifically with the ship unloaders supporting use of aggregate plant of gathering dust, dust is reclaimed, and belongs to technical field of engineering machinery.

Background technology

Along with expanding economy, port construction is advanced by leaps and bounds, and the use of bulk cargo bridge-type grab ship unloader handling equipment is more and more wider.Because ship unloaders are batch (-type) dischargings, so after grab bucket was opened, the part bulk cargo can disperse under the effect of inertia and wind-force everywhere, smaller fly ash or the cement clinker of particle especially.Under the effect that does not have the dust collecting system negative pressure, dust can fly away in the adverse current rising, and the wind break wall around dust is crossed funnel will be scattering into ship unloaders, harbour etc. everywhere.Make ship unloaders, plant area or harbour often be full of dust like this, not only wasted raw material resources, simultaneously environment has been caused serious pollution.The part ship unloaders attach the watering dust pelletizing system, and when grab bucket arrived the funnel sky, nozzle began spraying, has alleviated flying away of dust like this.But cement clinker just can not use the drenching system dedusting, can condense into piece because cement clinker is met water, not only causes the waste of raw material, can cause to a certain degree damage to metal constructions such as funnels simultaneously.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned weak point, thereby provide a kind of dust collecting system of cement clinker bridge-type grab ship unloader, this dust collecting system can overcome mono-sprinkle water and spray dedusting method, adopts the principle of negative blast, and cement be who knows dust inspiration cleaning shaft, enter dust cleaning case, utilize pulse bag formula dust exhaustor, dust is reclaimed, pass through back grey scraper-trough conveyer at last, flow on the belt feeder of ground, finally reach the purpose of gathering dust.

The technical scheme that provides according to the utility model, the dust collecting system of cement clinker bridge-type grab ship unloader comprises funnel, the airduct that gathers dust, the case that gathers dust, wind break wall, support angle steel, funnel grid, butterfly valve, pulse bag formula dust-precipitator, pulse bag dust chamber, the dust-precipitator system layout between the door frame, is respectively arranged a cover pulse bag formula dust-precipitator in the funnel both sides before and after ship unloaders; Every cover pulse bag formula dust-precipitator has two pulse bag dust chambers, and blower fan and Air compressor are installed near the side door frame of ship unloaders land; The airduct that gathers dust is distributed in the left and right sides of funnel, and the described airduct that gathers dust interconnects; The airduct that gathers dust links to each other with the pulse bag dust chamber respectively; Be furnished with the case that gathers dust around the bell mouth, the funnel grid is arranged on the case inner cover plate of gathering dust, and the airduct place of gathering dust is furnished with butterfly valve, and wind break wall merges into a single whole with the case that gathers dust, and the bottom of supporting angle steel is connected all around with bell mouth.

The end opening of described pulse bag dust chamber with return that grey scraper-trough conveyer is suitable for reading to link to each other, described time grey scraper-trough conveyer adopts square pipeline, square pipeline is provided with and regulates the valves.

The described lower box part that gathers dust opens wide, and suction port is positioned at the bottom of the case that gathers dust.

Compared with the prior art the utility model has the following advantages:

The utility model is simple, compact and reasonable for structure; Can overcome mono-sprinkle water and spray dedusting method, adopt the principle of negative blast, cement be who knows dust inspiration cleaning shaft, enter dust cleaning case, utilize pulse bag formula dust exhaustor, dust is reclaimed, pass through back at last grey scraper-trough conveyer, flow on the belt feeder, finally reach the purpose of gathering dust.This dust collecting system is stable, has overcome the no thoroughness of dedusting in the past, has collected dust effectively, has not only reclaimed cement clinker, the more important thing is and has protected environment, meets the economy index of the low-carbon environment-friendly of country's proposition.

Description of drawings

Fig. 1 is that the utility model collection funnel and dust collecting system are arranged scheme drawing.

Fig. 2 is the 1-1 cross section view of Fig. 1.

Fig. 3 is the utility model collection funnel front view.

Fig. 4 is the utility model collection funnel birds-eye view.

Fig. 5 is the utility model collection funnel lateral plan.

Fig. 6 is grey scraper-trough conveyer scheme drawing for dust-precipitator returns.

The specific embodiment

Embodiment during following the utility model is incited somebody to action in conjunction with the accompanying drawings is further described.

Below in conjunction with the example in the accompanying drawing the utility model is described in detail.

As Fig. 1～shown in Figure 6, comprise funnel 1, the airduct 2 that gathers dust, the case 3 that gathers dust, suction port 4, wind break wall 5, support angle steel 6, funnel grid 7, butterfly valve 8, return grey scraper-trough conveyer 9, pulse bag formula dust-precipitator 10, pulse bag dust chamber 11.

As Fig. 1～shown in Figure 3, the utility model dust-precipitator system layout between the door frame, is respectively arranged a cover pulse bag formula dust-precipitator 10 in funnel 1 both sides before and after ship unloaders; Every cover pulse bag formula dust-precipitator 10 has two pulse bag dust chambers 11, and blower fan and Air compressor are installed near the side door frame of ship unloaders land.

Fig. 4～Fig. 5 is the structural representation of aggregate bin and airduct.The airduct 2 that gathers dust is distributed in the left and right sides of funnel 1, and the small-sized airduct 2 that gathers dust in four roads is communicated in large-scale one the airduct 2 that gathers dust, and the airduct 2 that gathers dust greatly at last becomes circle by the side and links to each other with pulse bag dust chamber 11.Funnel grid 7 is placed on funnel 1 case 3 inner cover plate of gathering dust suitable for reading, and this funnel grid 7 not only will stop large granular materials, places the weight of grab bucket in the time of also will bearing ship unloaders and do not work.Gather dust airduct 2 places layout butterfly valve 8 with the control ventilation volume.Wind break wall 5 merges into a single whole with the case 3 that gathers dust, and uses to support angle steel 6 and channel-section steel is skeleton, and the bottom of wherein supporting angle steel 6 and bell mouth box beam structure are all around welded mutually, make wind break wall 5 with gather dust case 3 stable strong.

Fig. 6 is that dust-precipitator returns grey scraper-trough conveyer.Return grey scraper-trough conveyer 9 end openings with the pulse bag dust chamber suitable for reading and link to each other, described time grey scraper-trough conveyer 9 adopts square pipeline, and square pipeline is provided with and regulates the valves.Return the belt of grey scraper-trough conveyer 9 end openings, make the cement clinker dust of collecting drop on the belt, realized the recovery of dust at last, finally saved resource towards belt transporter.

The utility model is hidden in the case that gathers dust, and avoids suction port too small or arrange improper and cause cement to stop up suction port; Pipe arrangement is reasonable, owing to increased butterfly valve 8, can reasonably regulate intake, and then regulates the efficient of gathering dust; Pulse bag formula dust-precipitator 10 is arranged between the forward and backward portal-framed structure of ship unloaders, the space utilization compact and reasonable.Dust-precipitator adopts the pulse bag formula, and maintenance is convenient; Return grey scraper-trough conveyer 9 and adopt square pipeline, and have and regulate the valves, regulated the down-off of cement clinker effectively.The utility model compact conformation is reasonable, can rationally solve the unfavorable phenomenon of cement clinker ship unloaders dust removing effects, has reduced the waste of cement clinker, has protected the handling labor environment of port and pier.

Principle of work of the present utility model is as follows:

When the fully loaded grab bucket runs to funnel 1 sky, grab bucket is opened, unload cement clinker, the suction port 4 of running dust collecting system by case 3 bottoms of gathering dust is with the most dust inspiration case 3 that gathers dust that flies away, at the airduct 2 that gathers dust by funnel 1 both sides, the cement clinker dust pools together, become round pipe by the side and enter the pulse bag dust chamber, by cloth bag and pulse air pressure the dust of accumulating is collected, under the effect of dust gravity, the cement clinker dust passes through back grey scraper-trough conveyer 9, drops on the ground belt below the ship unloaders, has so far realized the recovery of cement clinker dust.Here can regulate the air quantity of suction ports and the flow of whereabouts dust by the butterfly valve 8 of gather dust airduct 2 and time grey scraper-trough conveyer 9.Gather dust because of funnel is suitable for reading case 3 and suction port 4 is reasonable in design, makes dust be easier to enter the case 3 that gathers dust, thereby has reasonably realized the collection of dust.

Claims

1. the dust collecting system of a cement clinker bridge-type grab ship unloader, comprise funnel (1), the airduct that gathers dust (2), pulse bag formula dust-precipitator (10), pulse bag dust chamber (11), it is characterized in that: also comprise the case that gathers dust (3), wind break wall (5), funnel grid (7), butterfly valve (8), respectively arrange a cover pulse bag formula dust-precipitator (10) in described funnel (1) both sides; One cover pulse bag formula dust-precipitator (10) has two pulse bag dust chambers (11); The airduct (2) that gathers dust is distributed in the left and right sides of funnel (1), and the described airduct that gathers dust (2) interconnects; The airduct (2) that gathers dust links to each other with pulse bag dust chamber (11) respectively; Funnel (1) is furnished with the case that gathers dust (3) all around, and funnel grid (7) is arranged on the case that gathers dust (3) inner cover plate, and the described airduct that gathers dust (2) locates to be furnished with butterfly valve (8), and wind break wall (5) merges into a single whole with the case (3) that gathers dust.

2. the dust collecting system of cement clinker bridge-type grab ship unloader according to claim 1, it is characterized in that: the end opening of described pulse bag dust chamber (11) and time suitable for reading linking to each other of grey scraper-trough conveyer (9), described time grey scraper-trough conveyer (9) adopts square pipeline, and square pipeline is provided with and regulates the valves.

3. the dust collecting system of cement clinker bridge-type grab ship unloader according to claim 1 is characterized in that: the described case that gathers dust (3) lower open, suction port (4) is positioned at the bottom of the case that gathers dust (3).