A kind of upper spray, interior suction type desulfurating dust-removing equipment
Technical field
The invention belongs to waste gas purification field, be specifically related to a kind of upper spray, interior suction type desulfurating dust-removing equipment.
Background technology
China Shi Yige industrial power, through the development of decades, industrialization has begun to take shape and has obtained a series of proud achievements.In many industrial segmented industries, the product manufacturing has not only greatly met domestic user's productive consumption needs, can also supply other countries for developing construction simultaneously.Yet be accompanied by the continuous expansion of industrially scalable, problem of environmental pollution is also increasingly severe.The development of the industry of the rough formulas such as especially mining, chemical industry, metallurgy, high pollution, high energy consumption, has had a strong impact on local ecological environment, and " three wastes " thing that it discharges also causes certain influence to surrounding area.In addition China's supervisory system imperfection, gives many enterprises disregard of law with opportunity again.
Industrial waste gas is one of " three wastes ", and wherein composition mainly comprises various solid particulate matters and pernicious gas.A large amount of discharges of waste gas are that to cause the main cause of acid rain be also one of origin cause of formation causing haze.Therefore national policy and legal provisions industrial waste gas must be through processing, and can be discharged in atmosphere after qualified.For this regulation, many desulfurating dust-removing equipments arise at the historic moment.Common desulfurating dust-removing equipment is to adopt spray mode by the fine particle in waste gas and pernicious gas water adsorbing separation, thereby obtains comparatively clean waste gas.This cleaner is often divided into adsorption process two steps of desulfurization and dedusting, i.e. desulfurization after dedusting or first dedusting after first desulfurization.The shortcoming of this stepwise adsorption mode is the consumption that has increased water, and adsorption effect is poor, multistage absorbing unit often will be set and just can reach emission request, has so just increased equipment investment.
As can be seen here, traditional desulfurating dust-removing equipment is difficult to meet the current demand that commercial scale constantly increases.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of upper spray of efficient energy-saving, interior suction type desulfurating dust-removing equipment are provided.
The utility model solves the technical scheme that its technical problem adopts: a kind of upper spray, interior suction type desulfurating dust-removing equipment, comprise tower body, tower body outer wall arranges column, tower body comprises spray chamber, cyclone chamber and the collecting chamber being communicated with from top to bottom, spray chamber open top, its inside arranges horizontal screen cloth, and screen cloth top arranges spray thrower; At least one whirlwind impeller is set in cyclone chamber; The inwall of collecting chamber arranges a circle water receiving tank, and discharge outlet is offered in the bottom of water receiving tank; Collecting chamber bottom connects air channel.
Preferably, the quantity of whirlwind impeller is two, and is separately positioned on the upper/lower terminal of cyclone chamber, and the blade rotation direction of two whirlwind impellers is all consistent.
Preferably, air channel is arcuate structure, and its one end vertically and connect collecting chamber bottom, other end level; On the sidewall of horizontal segment, be provided with the overflow groove of protrusion, gap is offered in the bottom of overflow groove.
Preferably, collecting chamber comprises large footpath section and path section, and path Duan Xiang great footpath section is extended, and the part extending out forms the water receiving tank around inwall one circle with the inwall of large footpath section.
Compared with prior art, the beneficial effects of the utility model are:
1, top air inlet, bottom blower fan air inducing, what blower fan drew is the cleaned air after purifying, blower fan is not fragile; Liquid gas mixing chamber is large, and the useless dirt gas that makes the to enter mixing chamber flow velocity that slows down, makes waste gas fully mix with spray atomizing water.
2, desulfurization and dedusting are carried out simultaneously, reduce the consumption of water; Screen cloth is broken up the water of spray thrower ejection advertise lower generation " boiling " phenomenon in high-speed exhaust gas, forms a large amount of globules and is full of whole tower body inside, and spray atomizing all standing, has increased the contact probability of water and waste gas greatly, makes adsorption effect more thorough; Whirlwind impeller makes the mixing liquid in tower body decline with spiral, has increased movement travel, further increases both mixed effects, realizes thoroughly and purifying.
3, two whirlwind impellers can increase liquid movement travel, improve the effect of adsorption cleaning, and almost most of water flows out via discharge outlet and gap, and unified recovery recycles.
4, waste gas enters from spray chamber open top, belongs to height and enters the short formula course of work that goes out, and is especially applicable to the enterprise that waste gas exhaust outlet is positioned at higher position and uses, and do not need to set up too many wind conveying pipe road, greatly reduces installation cost; Whole equipment is segmentation structure, and maintenance cost is low.
Accompanying drawing explanation
Fig. 1 is the utility model structural perspective;
Fig. 2 is the utility model structure left view;
Fig. 3 is the cutaway view of the A-A line in Fig. 2;
Fig. 4 is the utility model structural front view;
Fig. 5 is the cutaway view of the B-B line in Fig. 4;
Fig. 6 is the cutaway view of the C-C line in Fig. 4.
In figure, be labeled as:
1 spray chamber; 2 cyclone chambers; 3 collecting chambers; 3.1 water receiving tank; 3.2 discharge outlet; 4 air channels; 4.1 overflow groove; 4.2 gap; 5 spray throwers; 5.1 spray header; 5.2 shower nozzle; 6 screen clothes; Whirlwind impeller on 7; 8 backspin fan blades; 9 pillars.
The specific embodiment
Below in conjunction with accompanying drawing embodiment, the utility model is described further:
As shown in Figure 1, 2, this equipment is tower structure, and tower body comprises spray chamber 1, cyclone chamber 2 and collecting chamber 3 from top to bottom, and spray chamber 1, cyclone chamber 2 and collecting chamber 3 are communicated with shape all-in-one-piece internal cavities up and down.On tower body, namely on cyclone chamber 2 outer walls, arrange four for support and with the fixing pillar 9 in ground.
As shown in Fig. 3,4,5,6, spray thrower 5 is set in spray chamber 1, the spray header 5.1 of spray thrower 5 extend into spray chamber 1 from the relative two side of spray chamber 1, and spray header 5.1 belows arrange the screen cloth 6 of level, and the shower nozzle 5.2 on spray header 5.1 is sprayed water towards oblique below.Totally 16 of spray headers 5.1, and be divided into two-layer, every layer each 8, expand thus spray area, promote clean-up effect.In cyclone chamber 2, the fixing upper whirlwind impeller 7 of upper end position, lower end is backspin fan blade 8 fixedly.The blade rotation direction of two whirlwind impellers is all consistent, guarantees that thus the gas of tower body inside and drop can move downward along helix, and has greatly extended this motion path, can promote desulfurization and dedusting effect equally.Collecting chamber 3 is upper coarse and lower fine segmentation structure, and Xiang great footpath, the upper end section that is arranged in the path section of large footpath pars infrasegmentalis is extended, and the part extending out forms a water receiving tank 3.1 with the inwall of large footpath section.It is apparent that, spray chamber 1, cyclone chamber 2 and collecting chamber 3 three junctions have all adopted the mode of angled transition section to be connected, and the benefit of this mode is to cushion the impact of waste gas oppose side wall, also can significantly not reduce the flow velocity of waste gas simultaneously.
In the connection air channel, outlet at bottom place 4 of collecting chamber 3, air channel 4 be shaped as quadrant arc shape, so two ends are respectively vertical section and horizontal segment, the outwardly formation one circle overflow groove 4.1 of sidewall of horizontal segment, gap 4.2 is offered in the bottom of overflow groove 4.1.The effect of overflow groove 4.1 is, when waste gas passes through herein, to form local eddy flow, and the heavier drop of quality is assembled herein, thereby form current, from gap 4.2, flows out.The open-mouth of horizontal segment is connected with outside air-introduced machine, so wind direction is for from top to bottom, the enterprise that applicable Waste gas outlet is higher.
From the water of discharge outlet 3.2 and gap 4.2 outflows all can be unified to collect and filter, neutralize, continuing to enter into spray thrower 5 uses.Improve the recycling rate of waterused of water, greatly reduced the consumption of water.Therefore operating cost is lower.
The utility model operation principle and the course of work are as follows:
When outside air-introduced machine is opened, waste gas enters in tower body from the entrance at top, first under the sprinkling of spray thrower 5, mixes with water, is dispersed as drop when through screen cloth 6.And continue to move downward, under the guiding of upper whirlwind impeller 7, originally the simple downward direction of motion has become spiral movement locus.During in like manner, through backspin fan blade 8, still can maintain this motion state.But when waste gas and drop are come collecting chamber 3, because the area passing through increases, flow velocity is slack-off, a large amount of drops contacts and attach with inwall on inwall until under one-tenth plume, and are pooled in water receiving tank 3.1, then from discharge outlet 3.2 discharge tower bodies.The drop not being discharged from and waste gas continue motion to be come in the air channel 4 of arc, and the mixture that now has the remaining drop of part and waste gas forms local eddy flow phenomenon at overflow groove 4.1 places.Then, under remaining drop is stagnated in overflow groove 4.1, accumulate equally current and discharge from gap 4.2.In whole motion process, waste gas, constantly with droplets mixing and completed desulfurization and dedusting, finally only contains particle and the pernicious gas of denier from the gas of air-introduced machine discharge, and clean-up effect is better than discharge standard greatly.And water out of spray also obtains most of recovery, only need filter with neutralisation treatment after can get back to again in spray header 5.1 and spray, realized recycling of water.
The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.