CN2464430Y

CN2464430Y - Wet method comprehensive filtering dust remover

Info

Publication number: CN2464430Y
Application number: CN 01216382
Authority: CN
Inventors: 于仁先; 付智深
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-02-16
Filing date: 2001-02-16
Publication date: 2001-12-12
Anticipated expiration: 2011-02-16

Abstract

The utility model relates to a comprehensive filtering dust remover using a wet method, which belongs to environmental protection equipment and is used for smoke elimination, dust removal and desulfurizaion for various furnaces, kilns, etc. The utility model is characterized in that the utility model is composed of a venturi, a hydraulic spray nozzle, at least two filtering material baffle layers, a spray head for purge water, steam-water separators, a dust collecting water tank, a bent tube, a draught fan and an exhaust tube, wherein the venturi and the hydraulic spray nozzle are arranged in an outer shell body with a waste gas inlet. The filtering material baffle layers are arranged upward and downward. The steam-water separators are arranged on the upper end and the lower end of the outer shell body, the dust collecting water tank is arranged below the lower end, and the bent tube is arranged above the upper end. The draught fan and the exhaust tube are arranged on one side of the outer shell body. The utility model has the advantages of simple structure, convenient installation and use, flexible installation of a gas inlet, unlimited temperature and dust concentration of treated waste gas, low cost and running cost, etc.

Description

Wet method synthetic filter deduster

A kind of wet method synthetic filter deduster, belong to the environmental protection equipment technical field, be mainly used in various smelting iron and steel stoves (electric arc furnaces, converter, open hearth, furnace cupola etc.) and nonferrous metallurgy stove (reverberatory furnace, glass stove, refractory material, roaster etc.) and smoke elimination, dedusting, desulfurization such as various coal-burning boiler and coal-fired drying oven, avoid environmental pollution.

Be used for the environmental protection equipment of smoke eliminations such as various stoves, kiln, dedusting, desulfurization in the prior art, of a great variety, only the just a large amount of production and sales of the applicant place factory are crossed sack cleaner, electrostatic precipitator etc.But their structures are complicated, and volume is huger, and floor space is big, to the restriction ratio such as temperature, kind of waste gas to be processed tighter, the operating cost height, power consumption is big, collected dust easily flies upward in transportation, and secondary pollution is arranged, and the scope of application is limited etc.

The purpose of this utility model is to provide a kind of structure comparatively simple, can thoroughly solve existing questions in the prior art, beyond machine-operated machine, or else need the manually-operated management, the efficiency of dust collection height, comparing the operating maintenance expense with the sack cleaner of equal treating capacity is zero wet method synthetic filter deduster.

According to smoke elimination, dedusting, the basic principle of desulfurization and various stove, the characteristics of kiln flue dust composition, at existing questions in the prior art, basic design of the present utility model is: make waste gas from the top or a side enter the Venturi tube that is loaded on shell cavity central authorities, in this pipe, establish sprinkler head and make the water droplet atomizing, before waste gas is accelerated to maximal rate, water droplets is contacted with soot particle in the waste gas stream, during by venturi throat, soot particle in the waste gas stream can fully be contacted with vaporific water droplet, thereby by water droplet capture becoming dust-laden water droplet, they are cohesion each other again in the decline process, weight increases, after the steam-water separator separation through the Venturi tube end, dust-containing water flows in the control of dust water tank below the Venturi tube and grit is settled down at the bottom of the case, the steam that still contains a small amount of grit is then along anti-on the Venturi tube end opening outer wall, enter the deduster cavity, again through at least one metafiltration material dehydration, take off dirt, separate through steam-water separator topmost, falling under water again of dust-laden through the filtration repeatedly and the flushing of filtrate, make the dust in the waste gas finally be trapped and be poured in the control of dust water tank by current, post precipitation is discharged from, and the waste gas that contains certain moisture after last steam-water separator separates is introduced by air-introduced machine to be erected at through a bend pipe and is entered atmosphere in this deduster blast pipe on one side, thereby realizes purpose of design.

Wet method synthetic filter deduster described in the utility model, by be inverted ampuliform and have the shell body 1 of exhaust gas inlet 2 and be loaded between two parties in it and the Venturi tube 3 that is connected by curved neck with above-mentioned exhaust gas inlet 2 and device below shell body 1 lower end and the control of dust water tank 6 that has a bit of housing to be immersed in its water constitute, it is characterized in that this deduster is on above-mentioned shell body 1, a steam-water separator 10 and 7 are respectively adorned in following two ends, on above-mentioned Venturi tube 3 corner inwalls, be provided with waterfog head 9, have at least one deck to put filtrate carrier ring 4a with holes on it in chamber within the shell body 1 and be positioned at rinse water shower nozzle 5a above it, decurved steam discharge bend pipe 8 is housed above the steam-water separator 10 on above-mentioned, and its lower end venthole is connected with the blast pipe 12 of exhaust in atmosphere by air-introduced machine 11.

Above-mentioned waterfog head 9 and rinse water shower nozzle 5a are connected with the water pump that adds by pipeline and valve.

On at the bottom of the sidewall case of above-mentioned control of dust water tank 6, be provided with blowdown mouth 14.

Also can install one-level below above-mentioned blast pipe 12 again additional links to each other by a less shell body 13 and is loaded on and put filtrate carrier ring 4b with holes in it its and be positioned at the filtration that the rinse water shower nozzle 5b above it is formed with above-mentioned air-introduced machine 11.

The utility model has the advantages that: relatively simple for structure, easy to install, exhaust gas entrance both can be located at the top, can be located at again on 360 ° of any orientation, side, the temperature of waste gas is not subjected to any restriction, when EGT is high, can before inlet, install cooler additional and can add hot water or to preheated airs such as furnace cupolas with this heat, the capable of self-circulating use of shower water neither can cause secondary pollution, using water wisely again (only needing to replenish the water that has consumed), the installation site is flexible, floor space is little, and the control of dust water tank can place underground, and its volume and shape can be decided according to the actual requirements, compare with existing various dedusters, its cost and running expense are all lower, under situation about not having a power failure, and not manually-operated, only when going into operation, start water pump and air-introduced machine, they are closed when quitting work again, compare with the sack cleaner of equal processing fume amount, the operating maintenance expense is zero; The dust that uses this deduster to collect is transported under hygrometric state, the problem that does not have dust from flying, especially cooperate special slag remover operation to be easy to, used raw material are according to different customer requirements, different selections can be arranged, both can make and be coated with anti-corrosion material in the shell of steel plate, can use making such as stainless steel and fiberglass again, the self-filtering material does not generally need to upgrade, but also recyclable utilization, thereby its adaptability is strong, long service life, freeze as long as the water in the control of dust water tank is not serious for severe cold area winter, but operate as normal still, the restriction that is not entered dust content in stack gas does not need preliminary treatment yet, can carry out dedusting, desulfurization, so this deduster purposes is very extensive.

Accompanying drawing is the whole vertically vertical profile structural representation in one of the utility model most preferred embodiment assembling back.

In conjunction with the accompanying drawings and most preferred embodiment, further describe architectural feature of the present utility model as follows: on the upper portion side wall of the shell body 1 of its inwall coated anti-corrosion layer of inverted ampuliform and top dribbling face end socket that is welded with industrial boiler plate, be provided with the exhaust gas inlet 2 that is connected by pipeline with the stove or the kiln of waste discharge gas, the mouth inner chamber body is adorned the Venturi tube 3 of the curved neck of a band between two parties, on these Venturi tube 3 corner inwalls, adorn one by pipeline with outside the waterfog head 9 that is connected of make-up water pump, on shell body 1, a rotating vanes steam-water separator 10 and 7 are respectively adorned in following two-port periphery, the lower port of above-mentioned Venturi tube 3 is promptly inserted down in the steam-water separator 7, the control of dust water tank 6 that blowdown mouth 14 is arranged above being provided with at the bottom of its front side wall lower tank of rectangle duroplasts matter below this separator, injecting water in the case makes above-mentioned shell body 1 end opening be immersed in water, in above-mentioned shell body 1 inner chamber, round vertical section of above-mentioned Venturi tube 3, if one deck steel plate outer surface is coated with its diameter of anti-corrosion material and equates to establish on it many open-works with shell body 1 internal diameter and put the carrier ring 4a of one deck stone matter filtrate in the plane on it, wash away rinse water shower nozzle 5a in order to cleaning being equipped with above it to be connected with the water pump that adds attached to the grit on the filtrate by pipeline, adorn a steam discharge bend pipe 8 that is bent downwardly sheet metal matter on above-mentioned above the steam-water separator 10, its lower end is by an air quantity 3850～35000m ³/ h, the air-introduced machine 11 of blast 8.8kpa is connected with the vertical blast pipe 12 in the exhaust in atmosphere of one side of this deduster.

Change as present embodiment:

1, can use stainless steel or fiberglass instead for the material of the bigger waste gas shell body of corrosivity;

2, exhaust gas inlet can be changed into the shell body top;

3, between the inner chamber of shell body and air-introduced machine and blast pipe, all can set up filter course and rinse water shower nozzle again;

4, the shape of the specification of the material of each parts and air-introduced machine, model and control of dust water tank, size etc. all can suitably change.

Claims

1, a kind of wet method synthetic filter deduster, by be inverted ampuliform and have the shell body [1] of exhaust gas inlet [2] and be loaded between two parties in it and the Venturi tube [3] that is connected by curved neck with above-mentioned exhaust gas inlet [2] and device below shell body [1] lower end and the control of dust water tank [6] that has a bit of housing to be immersed in its water constitute, it is characterized in that this deduster is on above-mentioned shell body [1], a steam-water separator [10] and [7] are respectively adorned in following two ends, on the inwall of above-mentioned Venturi tube [3] corner, be provided with waterfog head [9], have at least one deck to put the carrier ring with holes [4a] of filtrate on it in chamber within the shell body [1] and be positioned at the rinse water shower nozzle [5a] of its top, decurved steam discharge bend pipe [8] is housed above the steam-water separator on above-mentioned [10], and its lower end venthole is connected with the blast pipe [12] of exhaust in atmosphere by air-introduced machine [11].

2, wet method synthetic filter deduster according to claim 1 is characterized in that above-mentioned waterfog head [9] and rinse water shower nozzle [5a] are connected with the water pump that adds by pipeline and valve.

3, wet method synthetic filter deduster according to claim 1 is characterized in that being provided with blowdown mouth [14] at the bottom of the sidewall case of above-mentioned control of dust water tank [6].

4, wet method synthetic filter deduster according to claim 1 is characterized in that also can installing additional one-level again and links to each other by a less shell body [13] with above-mentioned air-introduced machine [11] and be loaded on and put filtrate carrier ring with holes [4b] in it its and be positioned at the filtration that the rinse water shower nozzle [5b] of its top is formed below above-mentioned blast pipe [12].