CN201131706Y

CN201131706Y - Multilevel cyclone filter

Info

Publication number: CN201131706Y
Application number: CNU2007201863210U
Authority: CN
Inventors: 尤华东
Original assignee: NINGBO HUADONG ELECTROMECHANICAL MANUFACTURING Co Ltd
Current assignee: NINGBO HUADONG ELECTROMECHANICAL MANUFACTURING Co Ltd
Priority date: 2007-12-26
Filing date: 2007-12-26
Publication date: 2008-10-15
Anticipated expiration: 2017-12-26

Abstract

The utility model relates to a multistage cyclone filter, which belongs to the technical field of the parts of a dust collector. The multistage cyclone filter is characterized in that a cyclone filtering tube is arranged in the cavity body of a cyclone box in a matching way to form a first-stage cyclone chamber, a dust cup is connected under the cyclone box, three or more second-stage cyclone chambers are arranged in the dust cup in a matching way, the second-stage cyclone chambers are communicated with the cyclone filtering tube through connecting channels, the bottom part of the cyclone filtering tube is sealed and tightly matched with the convex rings at the upper parts of the second-stage cyclone chambers to form a fine dust storage chamber, the fine dust storage chamber is communicated with the top openings of the second-stage cyclone chambers, and a cyclone suction pipe communicated with the second-stage cyclone chambers is connected at the bottom of the dust cup. The multistage cyclone filter has the advantages that the structure is simple and reasonable, no blockage can happen during the dust collecting process, strong suction power can be maintained from the beginning to the end, and the power loss is small; because no filtering material is used, the problem of secondary pollution caused by the replacement of the filtering material does not exist, pollution can not appear, the energy is saved, the environment is protected, and the use cost is low; the multistage cyclone filter is only required to be directly washed with water, and thus the cleaning is convenient; the dust collecting efficiency can reach 99 percent, and thereby the dust collecting effect is good.

Description

The multistage cyclone filter

Technical field

The utility model belongs to dust catcher component technology field, is specially the multistage cyclone filter.

Background technology

Filter is that the dust separation that sucks in the gas dirt mixture of dust catcher is come out to stay in the storage dirt device of dust catcher, and clean air is discharged into a kind of device in the atmosphere.At present, filter commonly used has bag type filtering,, cyclonic filter (cyclone), water filtration etc. are several.Bag type filtering is with a long history, but in the dust suction process, be used for filtering, the dirt bag be easy to be stopped up by dust, thereby cause suction sharply to descend, normally dust suction then, the dirt bag of having to clean the dirt bag or more renewing, can continue dust suction, the dirt bag that changes does not generally reclaim, and easily causes secondary pollution.Cyclonic filter (cyclone) wants advanced than bag type filtering, its dust suction time ratio bag type filtering will be grown several times, but the time one is long, the extra large handkerchief or the similar material that are used to filter will be blocked unavoidably also, thereby also will cause suction sharply to descend, normally dust suction then, the cleaning and filtering of having to material or the filtering material that more renews, can continue dust suction, and the filtering material that changes does not reclaim generally also, easily cause secondary pollution.Though water filtration can guarantee lasting suction in theory, but in the dust suction process of reality, dust and water make water dirty after constantly mixing, thereby cause water to lose due flowability, the dust that suck this moment can't well mix with water, directly pass filter, suck motor again, be discharged into then in the atmosphere, cause secondary pollution, even can damage motor.

The utility model content

At the above-mentioned problems in the prior art, the purpose of this utility model is to design provides a kind of technical scheme of not stopping up the multistage cyclone filter, and power attenuation is little, pollution-free, energy-conserving and environment-protective.

Described multistage cyclone filter, it is characterized in that being equipped with in the whirlwind box cavity cyclonic filter pipe and constitute the one-level cyclone chamber, the connection of whirlwind box below is provided with the dirt cup, be equipped with three or three above secondary cyclone chambers in the dirt cup, the secondary cyclone chamber is communicated with the cyclonic filter pipe by interface channel, the protruding circle sealing close-fitting on cyclonic filter pipe bottom and secondary cyclone chamber top constitutes thin dirt dust-storage chamber, thin dirt dust-storage chamber is communicated with the open top of secondary cyclone chamber, and dirt cup bottom connects the whirlwind suction pipe that setting is communicated with the secondary cyclone chamber.

Described multistage cyclone filter is characterized in that cyclonic filter pipe and whirlwind box cavity inner wall are fastened.

Described multistage cyclone filter is characterized in that on the cyclonic filter tube wall pore being set.

Described multistage cyclone filter is characterized in that being equipped with in the dirt cup six secondary cyclone chambers.

Described multistage cyclone filter is characterized in that the secondary cyclone chamber is communicated with the through hole of interface channel bottom, is tightly connected by sealing ring is set between interface channel and the cyclonic filter pipe.

Described multistage cyclone filter is characterized in that protruding circle that cyclonic filter pipe bottom connects the lid that is provided with and secondary cyclone chamber top seals close-fitting and constitutes thin dirt dust-storage chamber by sealing ring is set.

Described multistage cyclone filter is characterized in that the secondary cyclone chamber is a pyramidal structure.

Described multistage cyclone filter is characterized in that at the bottom of the dirt cup cup and whirlwind suction pipe outer wall welded seal.

Above-mentioned multistage cyclone filter, simple and reasonable for structure, never stop up in the dust suction process, can both keep powerful suction from start to finish, power attenuation is little; Owing to do not use filtering material, there is not the secondary pollution problem of changing filtering material and causing, pollution-free, energy-conserving and environment-protective, use cost is low; Only need water directly to rinse well and get final product, it is convenient to clean; Efficiency of seizing dust reaches 99%, and it is effective to catch dirt.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is fitted on structural representation in the dust catcher for the utility model integral installation;

Among the figure: 1-whirlwind box, 2-cyclonic filter pipe, 2a-pore, 2b-lid, 3-sealing ring, 4-sealing ring, 5-dirt cup, 6-secondary cyclone chamber, 7-interface channel, 7a-through hole, 8-whirlwind suction pipe, the thin dirt of 9-dust-storage chamber, 10-suction port, 11-inlet scoop, 12-dust catcher.

The specific embodiment

The utility model is described in further detail below in conjunction with Figure of description.

As shown in the figure, this multistage cyclone filter integral body is arranged in the dust catcher 12, comprises the interior empty whirlwind box 1 that is communicated with suction port 10, is equipped with cyclonic filter pipe 2 in whirlwind box 1 cavity and constitutes the one-level cyclone chamber, cyclonic filter pipe 2 is round tubular body, and tube wall is drilled with many pore 2a.Cyclonic filter pipe 2 is fastened with whirlwind box 1 cavity inner wall, and is simple and practical, and dismounting, cleaning are conveniently.Whirlwind box 1 below is adopted the mode of snapping to connect dirt cup 5 empty in the cylindrical is set, with easy disassembly.Be equipped with the secondary cyclone chamber 6 of tapered structure more than three or three in the dirt cup 5, as six, seven or 12 secondary cyclone chambers 6 are set according to actual needs.Secondary cyclone chamber 6 is connected with the through hole 7a of interface channel 7 bottoms, is tightly connected by EVA sealing ring 4 is set between interface channel 7 and the cyclonic filter pipe 2, makes secondary cyclone chamber 6 be communicated with cyclonic filter pipe 2 by interface channel 7.The lid 2b that cyclonic filter pipe 2 bottoms connect to be provided with and the protruding circle 7a on secondary cyclone chamber 6 tops seal close-fittings by EVA sealing ring 3 and constitute thin dirt dust-storage chamber 9, thin dirt dust-storage chamber 9 is communicated with 6 open tops of secondary cyclone chamber, dirt cup 5 bottoms connect the whirlwind suction pipe 8 that setting is communicated with secondary cyclone chamber 6, whirlwind suction pipe 8 is communicated with inlet scoop 11, and whirlwind suction pipe 8 is the tubular circular suction nozzle.Seal with ultrasonic bonding with whirlwind suction pipe 8 outer walls at the bottom of 5 glasss in the dirt cup, this mode connects the back firmly and sealing, guarantees that all dusts do not have to leak outside.Whirlwind box 1, cyclonic filter pipe 2, dirt cup 5, secondary cyclone chamber 6, interface channel 7, whirlwind suction pipe 8 are made by the good ABS of surface condition, particularly described dirt cup 5 and whirlwind suction pipe 8 are made by transparent ABS, make it in the dust suction process, duty comes into plain view, and promotes product specification.

Operation principle is as follows: the inlet scoop 11 powerful suction of dust catcher 12 suck the suction port 10 of dust from whirlwind box 1, tangentially enter whirlwind box 1, under the traction of cyclonic filter pipe 2 center strong suction, gas dirt mixture is around the rotation at a high speed of described cyclonic filter pipe 2, under action of centrifugal force, separated dirt cup 5 bottoms of sinking to of most of dust that quality is heavier, air and a small amount of fine dust are passed the pore 2a of cyclonic filter pipe 2, this part fine dust is under whirlwind suction pipe Final 8 strength suction, tangentially be drawn in the secondary cyclone chamber 6 through interface channel 7, and under attracting, rotates at a high speed suction around whirlwind suction pipe 8, because action of centrifugal force, dust is almost screwed out secondary cyclone chamber 6 entirely and is sunk in the thin dirt dust-storage chamber 9, and clean air passes whirlwind suction pipe 4 and is discharged in the atmosphere.In the one-level cyclone chamber, because gas dirt mixture is rotation at a high speed outside cyclonic filter pipe 2, dust granule can't stop on the pore 2a of cyclonic filter pipe 2, thereby also just can't stop up pore 2a, gas channel is unblocked from start to finish in the dust suction process, and before being filled dust, do not stop up, suction does not weaken yet.

Claims

1, the multistage cyclone filter, it is characterized in that being equipped with in whirlwind box (1) cavity cyclonic filter pipe (2) and constitute the one-level cyclone chamber, the connection of whirlwind box (1) below is provided with dirt cup (5), be equipped with three or three above secondary cyclone chambers (6) in the dirt cup (5), secondary cyclone chamber (6) is communicated with cyclonic filter pipe (2) by interface channel (7), cyclonic filter pipe (2) bottom constitutes thin dirt dust-storage chamber (9) with protruding circle (7a) the sealing close-fitting on secondary cyclone chamber (6) top, thin dirt dust-storage chamber (9) is communicated with secondary cyclone chamber (6) open top, and dirt cup (5) bottom connects the whirlwind suction pipe (8) that setting is communicated with secondary cyclone chamber (6).

2, multistage cyclone filter as claimed in claim 1 is characterized in that cyclonic filter pipe (2) and whirlwind box (1) cavity inner wall are fastened.

3, multistage cyclone filter as claimed in claim 1 is characterized in that on cyclonic filter pipe (2) tube wall pore (2a) being set.

4, multistage cyclone filter as claimed in claim 1 is characterized in that being equipped with in the dirt cup (5) six secondary cyclone chambers (6).

5, multistage cyclone filter as claimed in claim 1 is characterized in that secondary cyclone chamber (6) is communicated with the through hole (7a) of interface channel (7) bottom, is tightly connected by sealing ring (4) is set between interface channel (7) and the cyclonic filter pipe (2).

6, multistage cyclone filter as claimed in claim 1 is characterized in that cyclonic filter pipe (2) bottom connects the lid (2b) of setting and the protruding circle (7a) on secondary cyclone chamber (6) top constitutes thin dirt dust-storage chamber (9) by sealing ring (3) sealing close-fitting is set.

7, multistage cyclone filter as claimed in claim 1 is characterized in that secondary cyclone chamber (6) is pyramidal structure.

8, multistage cyclone filter as claimed in claim 1 is characterized in that dirt cup (5) the cup end and whirlwind suction pipe (8) outer wall welded seal.