CN2374250Y - Self-excited centrifugal dual water membranes purifier - Google Patents

Abstract

The utility model discloses a self-excited centrifugal purifier with dual water membranes, which comprises a dusting and desulfurizing purifying chamber (2), a smoke-water separating secondary purifying chamber (3), a water supplying settling tank (7), an alkali liquor box (6) and a scratch board slag discharging machine (8), wherein, the dusting and desulfurizing purifying chamber (2) is tangentially connected with a smoke discharging port (1) of a boiler, and the lower part of dusting and desulfurizing purifying chamber is conical; the smoke-water separating secondary purifying chamber (3) is arranged above the dusting and desulfurizing purifying chamber (2) and is connected with the dusting and desulfurizing purifying chamber (2) in a conical port inserting mode, the water supplying settling tank (7) is positioned under the dusting and desulfurizing purifying chamber (2) and is communicated with the conical port thereof, the alkali liquor box (6) is arranged on the water supplying settling tank (7), and the scratch board slag discharging machine (8) is arranged in the water supplying settling tank (7). The utility model has the advantages of high efficiency on dusting, desulfurizing and purifying, small resistance loss, low water consumption, compact structure, small ground occupation and labor strength reduction; the utility model can also solve the secondary pollution problem caused by slag and water discharge.

Description

From clear centrifugal pair of moisture film clarifier

The utility model relates to the cleaner technical field, and centrifugal pair of moisture film clarifier of particularly a kind of self-excitation is applicable to industry and civilian medium and small boiler smoke abatement dedusting, desulfurizing and purifying.

At present, domestic boiler smoke abatement dedusting technology is divided into by the dedusting mechanism of its utilization: mechanical collector, wet scrubber, filtration dust catcher and electric cleaner.Wherein, electric cleaner and filtration dust catcher are owing to cost of investment height, floor space are big, more in large and medium-sized boiler use, and the extensive employing of medium and small boiler is mechanical type dedusting and wet scrubber.The present atmosphere quality of China is still based on the air pollution of coal smoke type very serious; a large amount of dischargings of sulfur dioxide; cause the acid rain area sharply to enlarge; accounted for more than 30% of area; country is with the atmosphere pollution problem that is on the rise for this reason; classify as first of the environmental protection work, on the basis of original rules, standard, formulated a series of relevant policies such as acid rain control district and sulfur dioxide control district and collection sulfur dioxide charges for disposing pollutants.Therefore just low owing to efficiency of dust collection at widely used various dust removal with machine equipment, there is not the existence that removes sulfur dioxide function two big fatal shortcomings, just meeting with progressively eliminating.Wet scrubber with its efficiency of dust collection height, simple in structure, cost is lower and can absorb characteristics such as pernicious gas, obtain using more and more widely, but according to interrelated data and for many years the actual test case of wet scrubber is shown, these dedusters exist several problems in varying degrees: the one, and washings are that acidity and water consumption are big, costs and poor dehydration results in the purification process, cause seriously corrodeds such as pipeline, equipment; The 2nd, artificial scarfing cinder discharging buck causes secondary pollution; The 3rd, do not have and to remove the sulfur dioxide technological design, the absorption of pernicious gas is not reached environmental quality requirement; The 4th, the easy dust stratification of equipment stops up, drag losses is big, energy consumption is big, floor space is big, operating cost is high.The existence of these problems not only makes the raising of user's indirect expense, labour intensity increase, and has new pollution sources to produce, and has reduced the use value of this kind equipment.

The purpose of this utility model is centrifugal pair of moisture film clarifier of a kind of self-excitation of developing at above-mentioned existing problem, it not only has higher dedusting, desulfurizing and purifying efficient, and drag losses is little, water consumption is low, reduce labour intensity, solved the secondary pollution problem that deslagging discharges water and causes again.

The concrete technical scheme that realizes the utility model purpose is: clarifier comprises that one is the dust-removal and desulfurizing clean room of taper with tangential access of boiler exhaust gas mouth and bottom, an aqueous vapor separated secondary clean room that places on the dust-removal and desulfurizing clean room and be connected with the dust-removal and desulfurizing clean room with the bell inserted mode; A precipitation moisturizing groove that is positioned at bottom, dust-removal and desulfurizing clean room and communicates with its awl mouth; One places the lye tank on the precipitation moisturizing groove; One places the scraper slagging machine in the precipitation moisturizing groove.The part that one smoke evacuation tube is arranged at top, aqueous vapor separated secondary clean room, insert the dust-removal and desulfurizing clean room has a mozzle, advances mouth having a spiral downwards with junction, dust-removal and desulfurizing clean room.

The utility model compact conformation, few with material, floor space is little, installs the lye tank automatic water-replenishing device additional, adopts lime to make desulfurizing agent, cheap, wide material sources; Both remove pernicious gas compositions such as sulfur dioxide in flue gas effectively, controlled operating cost again.The secondary centrifuging aqueous vapor isolation of purified system process of design is reasonable, dehydrating effect good, both improved purification efficiency, has solved smoke evacuation band water and pipeline, equipment corrosion problem again.Adopt mechanical scraper plate regular cinder-discharge, automaticity height, simple to operation; Both reduce energy consumption, alleviated labour intensity, solved the secondary pollution problem that deslagging discharges water again.

Fig. 1 is the utility model structural representation

Fig. 2 is that Figure 1A-A is to vertical view

Among the figure: the 1-tangential inlet 2-dust-removal and desulfurizing 3-of the clean room aqueous vapor separated secondary 4-of clean room aiutage 5-spiral advances mouth 6-lye tank 7-precipitation moisturizing groove 8-scraper slagging machine 9-catheter

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

Consult accompanying drawing, dusty gas is under the air-introduced machine positive action, tangentially enter dust-removal and desulfurizing clean room 2 by inlet 1, directly the impulse water surface makes it form cascade, driving the water body spiral rotates, the liquid that is evoked produces the spray and countless drop, and forms two moisture films at dust-removal and desulfurizing clean room 2 inwalls and catheter 9 outer walls, and the aerosol spiral rises between moisture film, increased aqueous vapor time of contact, thick grit penetrates cascade inertia and falls into the water; Be hunted down under effects such as water-bath, interception collision, cohesion, centrifugal, moisture film than dustshot; Superfine grit is coiled into mouth 5 bottom parts interception back and enters in the aqueous vapor separated secondary clean room 3 with rotation gas, finishes double purification when entering the aqueous vapor separation, discharges from aiutage 4 at last; The grit that is captured falls into the water through catheter 9, moisture film motion etc., is deposited in the moisturizing groove 7, is regularly discharged by scraper plate slag remover 8.When finishing grit and purifying, because carrying out water level by lye tank 6, moisturizing replenishes, add quantitative alkaline matter (as lime etc.) in the lye tank 6 as desulfurizing agent.In fact desulfurizing and purifying chamber 2 interior liquid levels are replenished by alkaline solution all the time and keep, thereby the more stable pH value of acquisition, rely on chemical reaction in the middle of the operation, most of sulfur dioxide that neutralized, carbon monoxide, nitrogen oxide gaseous contamination material have reached the purpose of gas cleaning.

Claims (2)

1, centrifugal pair of moisture film clarifier of a kind of self-excitation is characterized in that it comprises: one is tangentially inserted with boiler exhaust gas mouth (1) and the bottom is the dust-removal and desulfurizing clean room (2) of taper; An aqueous vapor separated secondary clean room (3) that places on the dust-removal and desulfurizing clean room (2) and be connected with dust-removal and desulfurizing clean room (2) with the bell inserted mode; A precipitation moisturizing groove (7) that is positioned at (2) bottom, dust-removal and desulfurizing clean room and communicates with its awl mouth; One places the lye tank (6) on the precipitation moisturizing groove (7); One places the scraper slagging machine (8) in the precipitation moisturizing groove (7);

2, clarifier according to claim 1 is characterized in that an aiutage (4) is arranged at top, aqueous vapor separated secondary clean room (3), the part of inserting dust-removal and desulfurizing clean room (2) has a catheter (9), advances mouth (5) having a spiral downwards with junction, dust-removal and desulfurizing clean room (2).