CN202343061U - Swashing type dedusting device - Google Patents

Abstract

The utility model relates to a swashing type dedusting device. A casing is provided with an air inlet, an air outlet, a water inlet and a sewage draining outlet. A dirt retention water tank, a centrifugal purification chamber and an air-purifying mist separation chamber are arranged in the casing, the casing is fixedly supported on a base through a support, the centrifugal purification chamber is an S-shaped channel formed by an upper blade and a lower blade which are arranged in the casing, and a water level balancing system is arranged on the side portion of the casing. The water level balancing system is provided with a water seal arranged in an overflow box, an overflow opening is arranged on the lower portion of the overflow box, and a water level control device is installed on the upper portion of the overflow box. The swashing type dedusting device has the advantages of being resistant to corrosion, long in service life, reasonable in structure, efficient in dedusting performance and stable, can be suitable for tail gas purification dedusting of boilers of enterprises of metallurgy, coal, chemical engineering, casting, electric generation, building materials, fireproof materials and the like, and also has good dedusting effect in the field of transportation of viscous quicklime.

Description

The Swashing type dust arrester

Technical field

The utility model relates to a kind of dust arrester, specifically a kind of Swashing type dust arrester that is used to purify dusty gas.

Background technology

Disintegrating scrubber belongs to a kind of in the hydrofilter.The operation principle of disintegrating scrubber is to turn downwards after dusty gas gets into dust removal fittings, and impulse is on liquid level, and the thick grit of part directly is deposited in the ash accumulating chamber; Dusty gas through S shape passage, evokes a large amount of water droplets at a high speed subsequently, and dust is fully contacted with water droplet, and dust is added in the water, reaches the purpose of removing contained dust in the gas.

At present, the advantage of the disintegrating scrubber that we are used is that compact conformation, floor space are little, maintenance management is simple, can handles the bigger gas of dustiness with smaller volume, and some gaseous state harmful chemicals are also had certain removal ability; But the shortcoming of this deduster is strict to water level, because when the water level of laying dust water tank hanged down, the gas and the water surface can not evoke spray, dust contacts insufficient with water droplet, thereby has obviously reduced efficiency of dust collection, causes performance of precipitator to descend; When the liquid level of laying dust water tank was higher, the pure qi (oxygen) entraining water problem was serious, contained some sour gas especially, caused air-introduced machine, gas outlet etc. to be corroded easily, had shortened the service life of deduster.

The utility model content

The purpose of the utility model just provides a kind of Swashing type dust arrester, with solve that existing dust arrester exists perishable, the life-span short, the dust removal performance problem of unstable.

The utility model is achieved in that a kind of Swashing type dust arrester; On housing, have air inlet, gas outlet, water inlet and sewage draining exit; In housing, be provided with laying dust water tank, centrifugal clarification chamber and pure qi (oxygen) branch fog chamber; Said housing is fixedly supported on the base through support, and said centrifugal clarification chamber is the S shape passage that is made up of the blade and the lower blade that are arranged in the said housing, is provided with the water level balance system at the sidepiece of said housing.

There is water seal in said water level balance system in the spill box set inside, is provided with overfall in the spill box bottom, on spill box top water-level control apparatus is installed.

Between the casing top of said spill box and pure qi (oxygen) branch fog chamber, be connected to breather pipe, the lower end that is connected on the communicating pipe of said spill box sidewall feeds in the laying dust water tank.

Said water-level control apparatus can be electrode solution level controller, ball float level controller or ultrasonic solution level controller.

The utility model set inside has the centrifugal clarification chamber of S type passage can guarantee the deduster high-effective dust-removing; Sidepiece is provided with the water level balance system; Can regulate the water level of laying dust water tank automatically; When the water level of the laying dust water tank of deduster was higher than high water level, water flow through from the water seal of spill box set inside, and is discharged by overfall; When the water level of laying dust water tank is lower than low water level; The water-level control apparatus that spill box top is provided with sends signal, and the feed water inlet valve is opened automatically, and new water flows into the low water level of laying dust water tank automatically; The feed water inlet valve is closed automatically; Like this, can guarantee that just the water level of laying dust water tank fluctuates in reasonable, stable scope, reach efficient, stable dust removing effects.

The utlity model has corrosion-resistant, the life-span long, rational in infrastructure, characteristics that dust removal performance is stable; Tail gas clean-up dedusting applicable to enterprise's boilers such as metallurgy, coal, chemical industry, casting, generating, construction material and refractory materials also has good dust removing effects at viscosity quick lime transport field.

Description of drawings

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

Among the figure: 1, air inlet, 2, the gas outlet, 3, water inlet, 4, blade, 5, lower blade; 6, centrifugal clarification chamber, 7, the dust stratification water tank, 8, water fender, 9, pure qi (oxygen) divides the fog chamber, 10, spill box; 11, water-level control apparatus, 12, breather pipe, 13, communicating pipe, 14, sewage draining exit, 15, overfall; 16, water seal, 17, support, 18, base, 19, housing.

The specific embodiment

As shown in Figure 1; Thecentrifugal clarification chamber 6 of the S shape passage that this Swashing type dust arrester compriseshousing 19, air inlet 1, gas outlet 2, water inlet 3, layingdust water tank 7,sewage draining exit 14, be made up ofarc blade 4 andlower blade 5, pure qi (oxygen)branch fog chamber 9,support 17 and thepedestal 18 formed by water fender 8; Be provided with gas outlet 2 onhousing 19 tops; The bottom is provided with layingdust water tank 7 andsewage draining exit 14, and sidepiece is provided with air inlet 1 and water inlet 3.

The sidepiece of thehousing 19 of this Swashing type dust arrester also is provided with the water level balance system, and this water level balance system comprisesspill box 10, inspill box 10 set insidewater seal 16 is arranged, and the bottom is provided withoverfall 15, and top is equipped with water-level control apparatus 11.

Be connected tobreather pipe 12 between the casing top of thespill box 10 in the water level balance system and the pure qi (oxygen)branch fog chamber 9, the lower end that is connected on the communicatingpipe 13 ofspill box 10 sidewalls feeds in the layingdust water tank 7, can guarantee thatspill box 10 waters surface are steady.

Water-level control apparatus 11 can be electrode solution level controller, ball float level controller or ultrasonic solution level controller.

In this Swashing type dust arrester when work,, dusty gas impacts the water surface downwards after getting into air inlet 1, and the thick grit of part directly falls into the water, and is not removed the trickle grit that gets off along with air-flow gets into two interlobate S shapecentrifugal clarification chambers 6; Air velocity increases in thecentrifugal clarification chamber 6 of S shape passage, and when high velocity air impacted the water surface, every cubic meter of gas can drive 1.4～3.4 kg water approximately and move together, evokes a large amount of sprays and foam, the condition that causes gas, water two fully to contact mutually; Afterwards, air-flow turns to suddenly in S shape passage, forms centrifugal force, and grit is got rid of to outer wall, mixes with water slug; Like this; Trickle grit also can be caught by water effectively, and the gas after the purification, mist dividefog chamber 9 through pure qi (oxygen) again, after dehydration under the effect of water fender 8; Pure qi (oxygen) is 2 discharges from the gas outlet, and the sewage that contains a large amount of dusts is then regularly discharged by thesewage draining exit 14 of flared layingdust water tank 7 lower ends.

The water level of disintegrating scrubber is to be controlled by the water level balance system.When the water level of the layingdust water tank 7 of deduster was higher than high water level, water just flow to thewater seal 16 ofspill box 10 set inside, and was discharged byoverfall 15; When the water level of layingdust water tank 7 was lower than low water level, the water-level control apparatus 11 thatspill box 10 tops are provided with sent signal, and water inlet 3 valves are opened automatically, and new water flows into the low water level of layingdust water tank 7 automatically, and water inlet 3 valves are closed automatically.

Whole dedusting course of work water level balance system can fluctuate in 3～10 mm scopes by guaranteed water level; Like this; Not only can guarantee disintegrating scrubber efficiently, dedusting stably, and the cleaning gas degree after the dedusting is high, is difficult for during discharge equipment is caused corrosion; Increase the service life of dust arrester, also be difficult for causing simultaneously the waste of water resource.

This Swashing type dust arrester can adopt granite to make housing, spill box etc., also can export the bottom at pure qi (oxygen) air-introduced machine is installed, and is convenient to pure qi (oxygen) and discharges fast.

Claims (4)

1. Swashing type dust arrester; On housing (19), have air inlet (1), gas outlet (2), water inlet (3) and sewage draining exit (14); In housing (19), be provided with laying dust water tank (7), centrifugal clarification chamber (6) and pure qi (oxygen) branch fog chamber (9); Said housing (19) is fixedly supported on the base (18) through support (17); It is characterized in that said centrifugal clarification chamber (6) is the S shape passage that is made up of the blade (4) and the lower blade (5) that are arranged in the said housing (19), be provided with the water level balance system at the sidepiece of said housing (19).

2. Swashing type dust arrester according to claim 1; It is characterized in that; There is water seal (16) in said water level balance system in spill box (10) set inside, is provided with overfall (15) in spill box (10) bottom, on spill box (10) top water-level control apparatus (11) is installed.

3. Swashing type dust arrester according to claim 1 and 2; It is characterized in that; Between the casing top of said spill box (10) and pure qi (oxygen) branch fog chamber (9), be connected to breather pipe (12), the lower end that is connected on the communicating pipe (13) of said spill box (10) sidewall feeds in the laying dust water tank (7).

4. Swashing type dust arrester according to claim 3 is characterized in that, said water-level control apparatus (11) is electrode solution level controller, ball float level controller or ultrasonic solution level controller.

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