CN213077926U - Wet dust removing equipment - Google Patents

Abstract

The utility model discloses a wet dust collecting equipment, including wet-type cyclone, venturi wet dust collecting equipment and secondary filter device, be equipped with the water film nozzle on the wet-type cyclone inner wall, high pressure nozzle is installed to wet-type cyclone top and bottom, wet-type cyclone one end is equipped with the air intake, the wet-type cyclone other end is equipped with the air outlet, be connected with the tuber pipe on the air outlet, the tuber pipe is connected to and goes into venturi wet dust collecting equipment, the condenser is installed to venturi wet dust collecting equipment output, the condenser output is connected to on the secondary filter device. In this way, the utility model discloses can adopt the multistage filtration of wet-type, one-level wet-type cyclone, second grade venturi wet dedusting and tertiary high efficiency filter realize that the dust emission concentration is low, reduce the probability that the dust of blasting was exploded simultaneously.

Description

Wet dust removing equipment

Technical Field

The utility model relates to a dust collecting equipment field especially relates to a wet dedusting equipment.

Background

The prior shot blasting cleaning equipment mostly adopts cloth bag dust removal, filter cartridge dust removal and single wet dust removal.

The bag-type dust removal occupies a large area and has poor dust removal effect; compared with cloth bag dust removal, the filter cartridge dust removal has small occupied area, the effect can meet the use requirements of customers, but the use has limitation. The danger of dust explosion exists when the magnesium-containing part is processed by shot blasting. The single wet dust removal has low dust removal efficiency due to the characteristic of dust removal, and the dust emission can not meet the requirement of environmental protection.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a wet dedusting equipment, can adopt the multistage filtration of wet-type, and one-level wet cyclone removes dust, second grade venturi wet dedusting and tertiary high efficiency filter realize that the dust emission concentration is low, reduces the probability that the dust explosion is exploded to the burning of burning simultaneously.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a wet dedusting equipment, includes wet cyclone, venturi wet dedusting equipment and fine filter device, be equipped with the water film nozzle on the wet cyclone inner wall, wet cyclone top and bottom install high pressure nozzle, wet cyclone one end is equipped with the air intake, the wet cyclone other end is equipped with the air outlet, be connected with the tuber pipe on the air outlet, the tuber pipe is connected to and goes into venturi wet dedusting equipment, the condenser is installed to venturi wet dedusting equipment output, the condenser output is connected to on the fine filter device.

In a preferred embodiment of the present invention, the bottom of the wet cyclone dust collector is provided with a sewage tank, and the outlet end of the sewage tank is connected with a sewage suction pump.

In a preferred embodiment of the present invention, the fine filter device is centrally installed with a fine filter net, and both ends of the fine filter net are fixed by a fine filter net pressing plate.

The utility model has the advantages that: the utility model provides an original shot blasting cleaning equipment take place the blasting accident easily when processing magnesium metal, it is low to have solved the single dust collection efficiency when adopting certain type of wet dedusting simultaneously, the problem that dust emission concentration is not up to standard, one-level wet cyclone dust removal cost is low, the purification rate can reach 95%, greatly reduced the pressure that the second grade was removed dust, the operation in-process has reduced the unbalance that the fan blade caused because of adsorbing the wet dust, arouse vibration and a series of problems that the noise is big, second grade venturi wet dust collector's loss of pressure is 2.5 ~ 9.0kPa, purification efficiency can reach more than 99.5%, this wet dust collector's performance advantage: 1. h is higher than a dry mechanical dust collector when consuming the same energy consumption. The high energy consumption wet dust collector can remove dust particles below 0.1mm, and still has high efficiency h which can be compared with an electrostatic dust collector and a bag-type dust collector; 2. the method is also suitable for the conditions which cannot be met by filter cartridge dust removal and cloth bag dust removal, such as the capability of treating high-temperature and high-humidity airflow and high-specific resistance dust, and flammable and explosive dust-containing gas, and can remove water vapor and certain gaseous pollutants in the gas while removing dust particles. Not only has the function of dust removal, but also has the functions of cooling and purification.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a schematic structural view of a preferred embodiment of the wet dust collector of the present invention;

FIG. 2 is a top view of a preferred embodiment of the wet scrubber apparatus of the present invention;

FIG. 3 is a schematic structural view of a preferred embodiment of the wet cyclone dust removing apparatus;

FIG. 4 is a top view of a preferred embodiment of the fine filter apparatus;

the parts in the drawings are numbered as follows: 1. Wet cyclone dust removal equipment; 2. Venturi wet dedusting apparatus; 3. A fine filter device; 4. An air inlet; 5. An air outlet; 6. An air duct; 7. A condenser; 8. A sewage tank; 9. A fine filter screen; 10. Fine filter screen clamp plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, an embodiment of the present invention includes:

the utility model provides a wet dedusting equipment, includes wet cyclone 1, venturi wet dedusting equipment 2 and fine filter device 3, be equipped with the water film nozzle on the 1 inner wall of wet cyclone, high pressure nozzle is installed to wet cyclone 1 top and bottom, 1 one end of wet cyclone 1 is equipped with air intake 4, the 1 other end of wet cyclone 1 is equipped with air outlet 5, be connected with tuber pipe 6 on the air outlet 5, tuber pipe 6 is connected to and goes into venturi wet dedusting equipment 2, condenser 7 is installed to 2 outputs of venturi wet dedusting equipment, the 7 output of condenser is connected to on the fine filter device 3.

In addition, a sewage tank 8 is arranged at the bottom of the wet type cyclone dust removal equipment 1, and the outlet end of the sewage tank 8 is connected with a sewage suction pump.

In addition, fine filter screen 9 is installed at the center of fine filter device 3, and both ends of fine filter screen 9 are fixed through fine filter screen pressing plates 10.

The utility model discloses air intake 4 at wet-type cyclone dust removal equipment 1 links to each other with the shot blasting cleaning equipment air outlet, and the installation has the water film nozzle of certain angle on ordinary cyclone dust removal's last casing circumference, has adjusted angle nozzle switch-on water source after, guarantees that spun water forms thin water film on cyclone dust removal's shells inner wall in the nozzle. Meanwhile, a high-pressure nozzle is arranged in the wet type cyclone dust removing equipment 1, the water course sprayed out from the high-pressure nozzle is atomized, after dust-containing gas enters the wet type cyclone dust removing equipment 1, most of the gas is fully fused with the gas on the inner wall of the wet type cyclone dust removing equipment 1, the middle dust-containing gas is fused with the atomized water again, dust-containing particles in the fully fused gas are fused into the water, and the gas flows into a sewage tank along the inner wall of the wet type cyclone dust removing equipment 1 under the action of gravity, so that primary filtering is completed.

After 1 level of wet-type cyclone dust collecting equipment filters, gaseous dust content reduces, and dirty gas gets into the secondary filter: venturi wet dedusting equipment 2, venturi wet dedusting equipment 2 theory of operation does: the dust-containing gas meets the liquid drops, the dust-containing gas starts to flow around the liquid drops at the position xd in front of the liquid drops, the dust particles with larger inertia keep the original linear motion, the linear distance moved by the dust particles from the separation streamline to the end of the inertial motion is the stopping distance xs of the particles, and if xs is larger than xd; the dust particles and the liquid drops collide, and the dust particles enter the water Venturi wet dust removal device 2 along with the liquid drops to carry out dust removal by utilizing the suction force of the fan to introduce dust-containing airflow from the lower part of the cylinder, the spiral rising trend is carried out under the action of the fan, the air guide pipeline in the dust removing shell prevents the rising of air flow, under the double action, the dust-containing gas is closely contacted with the liquid (generally water) sucked out by the suction force of the fan, the dust particles are captured or the particle size is increased by utilizing the inertia collision of water drops and the dust particles and other actions, the dust particles are merged into the water, the precipitated dust is discharged by a sewage discharge mechanism and uniformly enters a sludge collection box, the dust removal method can effectively remove liquid or solid particles with the diameter of 0.1-20 mu m, and can also remove gaseous pollutants, and the water storage capacity, the working air volume and the air pressure of the Venturi wet dust removal directly influence the dust removal efficiency of equipment. The water storage capacity is controlled by an electromagnetic valve, water flows out from the overflow port when the water level is exceeded, the adjustment of the air quantity and the air pressure can be realized by an air supplementing device on the air inlet pipe, the size of the air door can be adjusted according to the characteristics of dust, and the air door is adjusted by scales of about 5 when the dust after shot blasting is removed. The air after the secondary filtration is discharged from the fan port, the air discharged from the fan port meets the general dust discharge standard, and the outlet of the fan is connected with a next-stage three-stage fine filter device 3 in places with higher use requirements.

Air discharged from the outlet of the fan of the secondary Venturi wet dust removal device 2 contains certain humidity, if the air is directly connected to the fine filter device 3, the fine filter device 3 is easily blocked, gas cannot circulate, the fan cannot suck air from the shot blasting shell, and the whole dust removal system is directly influenced, so that a condenser 7 is additionally arranged between the Venturi wet dust removal device 2 and the fine filter device 3, when the humid gas passes through the condenser 7, due to the reduction of temperature, the vaporous gas is changed into water drops, the water drops are remained in the condenser 7 under the action of self gravity, the drier air enters the rear fine filter device 3 and is filtered by the fine filter device 3, the dust content of the gas is further reduced, and the indoor emission standard is reached.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims (3)

1. The utility model provides a wet dedusting equipment, includes wet cyclone, venturi wet dedusting equipment and fine filter device, its characterized in that, be equipped with the water film nozzle on the wet cyclone inner wall, high pressure nozzle is installed to wet cyclone top and bottom, wet cyclone one end is equipped with the air intake, the wet cyclone other end is equipped with the air outlet, be connected with the tuber pipe on the air outlet, the tuber pipe is connected to and goes into venturi wet dedusting equipment, the condenser is installed to venturi wet dedusting equipment output, the condenser output is connected to on the fine filter device.

2. The wet dust removing device of claim 1, wherein a sewage tank is arranged at the bottom of the wet cyclone dust removing device, and the outlet end of the sewage tank is connected with a sewage suction pump.

3. The wet dust removing apparatus of claim 1, wherein a fine filter screen is installed at the center of the fine filter device, and both ends of the fine filter screen are fixed by fine filter screen pressing plates.

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