CN2086751U - Two-stage dust filter - Google Patents

Abstract

The utility model relates to a two-stage dust filter which is particularly suitable for textile industry. The utility model is the improvement of the existing dust filter and is mainly composed of a primary filter with a cyclone head, a secondary cylinder filter which is composed of fire retardant filter materials and a wire mesh, a revolving suction nozzle, a horizontal type spiral compacting separator, a dust collecting blower, a cyclone separator, a high-density filter bag and a spiral hetero removing device. The utility model can automatically compact output short fibre and powder dust, and has the advantages of high efficiency of dust filtration, small ground occupation, low power consumption, convenient control and good fireproof performance.

Description

Two-stage dust filter

The utility model belongs to filter dirt field, is mainly used in the filter dirt of textile mills, also can be used for other industry.

Known twin-stage dirt catcher is the one-level filtration of being carried out staple fibre and thick dirt by revolution garden disc type preseparator, and the clear desorption system and the spiral compacting separation equipment of configuration band high pressure positive blower are handled the staple fibre that blocks on the disk filter screen continuously.Cascade filtration is undertaken by the horizontal large carrying food-basket filter of serial connection, large carrying food-basket is fixed, the revolution suction nozzle is close to the large carrying food-basket filtrate and is purified, the high dust-contained airflow that suction nozzle extracts, sending into cyclone separator by dust blower handles, most of trifle in the world falls into the bottom and connects the dirt bag, and tail gas is circulated again together with the part dust sends into preseparator.The rotating disk filter area is little, and efficient is low, and staple fibre that is retained down and thick dirt need join power in addition and equipment is disposed, and electrostatic effect easily takes place, and causes fire; Horizontal large carrying food-basket needs manually regularly go into interior cleaning, and labour intensity is big, environment is poor, the face of cylinder filtrate on dangerous, the large carrying food-basket does not have the holding of metal protecting wire net yet, easily elongation, quick abrasion; Tail gas is circulated back to preseparator, has reduced filter dirt effect, has strengthened energy consumption.

The purpose of this utility model is to avoid above-mentioned deficiency, and provide that a kind of filter dirt is effective, simple and reasonable, power consumption less, take up an area of little, can prevent fires, maintenance management twin-stage dirt catcher easily.

Technical solution of the present utility model is: the secondary dirt catcher of being made of a kind of advanced person grade one filter, secondary cylinder filter, revolution suction nozzle 7, spiral compacting separator 23, dust blower 30, cyclone separator 36 and high density filter bag 35.It is characterized in that: grade one filter is made up of the fine bucket 4 of cyclone head 1, tubular filter screen 3 and collection; The secondary cylinder filter is made up of fire-retardant filtrate 6 and metal protecting wire net 8, and sealing shroud is contained in tubular filter screen 3 outsides; Fine bucket 4 of collection and spiral compacting separator 23 fuse; The air-flow that contains high concentrate dust that dust blower 30 is discharged is handled by cyclone separator 36 and 35 secondary separations of high density filter bag.

The cylindrical shell bus of the cylinder filter that fire-retardant filtrate 6 of the utility model and metal protecting wire net 8 are formed can move radially 30 millimeters, and metal protecting wire net 8 is hung on cyclone head 1.

The utility model revolution suction nozzle 7 is the pipe of two cutting elongated grooves of a symmetry, and endoporus communicates with the rubber-tyred annular seal space.

The utility model rubber-tyred annular seal space is made up of body center plate 10 and center bearing 11, and body center plate 11 is revolving body, rotates synchronously with suction nozzle 7, and center bearing 11 is fixture, bottom opening, is communicated with dust blower 30 inlets via airduct 26.Between body center plate 10 and the center bearing 11, by one paying the concentric plane bearing of annular seal space, mainly forming by ball 17, outer steel traveler 18, interior steel traveler 19.

A synchronous rotating flexible ash-removing plate 29 is equipped with in the utility model revolution suction nozzle 7 bottoms, and a flue-dust retainer 28 and adjustment doors 27 are equipped with in chassis 13.

30 outlets of the utility model dust blower are connected in series cyclone separator 36 and high density filter bag 35 successively, the air-flow that contains high concentrate dust are carried out the secondary separation processing.

Owing to adopted such scheme, grade one filter is without high pressure positive blower and additional clear desorption system, and no electrostatic effect takes place, mechanism simplifying, and filter area increases more than 1.5 times.Secondary filtrate 6 life cycles obtain prolonging, and can prevent fire effectively.The contained thin dirt of tail gas that cyclone separator 36 is discharged obtains filtering in high density filter bag 35, has improved total efficiency of dust filtration.Turn round flexible ash-removing plate 29 and clean dirt catcher bottom dust stratification, the hardship of having exempted cleaning in the Manual machine continuously automatically.

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

Fig. 2 is the front view and the profile of revolution suction nozzle 7 of the present utility model.

Referring to Fig. 1, cyclone head 1 places the dirt catcher top, is supported by the strut 12 that is installed on the chassis 13, and grade one filter tubular filter screen 3 is suitable for reading to be clamped in by clamp 2 on the inner core of cyclone head 1, and end opening is clamped in the top of the fine bucket 4 of collection by clamp 2.The fine bucket 4 of collection is installed on the chassis 13, and the fine bucket of collection 4 end openings are installed spiral compacting separator 23, and spiral compacting separator 23 inside are equipped with spiral propeller 24, and by motor 20, decelerator 21 drives.

Fire-retardant filtrate 6 is sleeved on the outside of grade one filter tubular filter screen 3, the urceolus that is clamped in cyclone head 1 by clamp 5 suitable for reading, end opening is clamped on the outer ring on chassis 13 by clamp 5, fire-retardant filtrate 6 outer surfaces have a combined type tubular metal protecting wire net 8, hang on cyclone head 1, prevent filtrate 6 elongations, the bus of protecting wire net 8 garden tubes and filtrate 6 garden tubes can radially move 30 millimeters, makes revolution suction nozzle and filter screen keep good attaching effect, guarantee that the deashing continuous high-efficient carries out, and prolongs the life cycle of filtrate.

Referring to Fig. 1, Fig. 2, the transmission system of revolution suction nozzle 7 is made up of body center plate 10, center bearing 11, gear 14, motor 15, decelerator 16, ball 17, outer steel traveler 18, the interior steel traveler 19 of band gear ring.Center bearing 11 is fixed on the large chassis 13, and large chassis 13 is supported by frame 22, and the plane bearing that body center plate is made up of ball 17,2 outer steel travelers 18,2 interior steel travelers 19 is bearing on the center bearing, but not only antifriction, but also is convenient to change consumable accessory.Rubber-tyred annular seal space concentric of the common formation of last center bearing with plane bearing.Between body center plate 10 and the fine bucket 4 of collection, sealing ring 9 is housed.Gear 14 is contained on the output shaft of decelerator 16, and motor 15 drives decelerator 16, and gear 14 transmission body center plates 10 on the reducer output shaft and the suction nozzle 7 that is contained on this cartridge turn round, flexible ash-removing plate 29, and the last plane that attaches large chassis 13 is in company with suction nozzle 7 revolutions.Center bearing 11 annular seal spaces bottom has a circular hole, by airduct 26,31 the rubber-tyred annular seal space is communicated with dust blower 30, cyclone separator 36, high density filter bag 35.Dust laden air is through cyclone head 1, tangentially backspin enter tubular filter screen 3, under pressure differential, centrifugal force, gravity acting in conjunction, staple fibre and thick dirt is via the fine bucket 4 of collection, progressively fall into spiral compacting separator 23, drive decelerator 21 by motor 20, drving sprial propeller 24 backs down cover plate 25, compresses the output trifle in the world.See through one-level filter screen 3 and contain the air of fine dust, further filter on the tube filter of secondary garden, cleaned air sees through fire-retardant filtrate 6, enters the workshop reuse or send the air conditioning chamber to handle.Fine dust is blocked in garden tube inwall by fine and closely woven fire-retardant filtrate 6, revolution suction nozzle 7 is continuously equably the inner surface of above-mentioned fine dust suction from fire-retardant filtrate 6, enter in cyclone separator 36 and the high density filter bag 35 via rubber-tyred annular seal space, air channel 26, dust blower 30, air channel 31, cleaned air passes is discharged from, fine dust falls into spiral impurities removal device 33,34, and discharged continuously, concentrate on and connect on the ash bucket 32.

In addition, annular space between tubular filter screen 3 and secondary cylinder filter, because gravity effect, there is a large amount of fine dusts to be deposited in the upper surface of large chassis 13, with suction nozzle 7 synchronous rotating flexible ash-removing plates 29 these fine dusts are swept in the little ash bucket 28, regularly open adjustment doors 27, enter cyclone separator 36 and high density filter bag 35 is handled by dust blower 30 suctions.

Claims (7)

1, a kind of twin-stage dirt catcher that is used for textile mills and other industry removing fiber dust and dust mainly is made up of grade one filter, secondary filter, revolution suction nozzle 7, spiral compacting separator 23, dust blower 30, cyclone separator 36, high density filter bag 35 and spiral impurities removal device 33,34.It is characterized in that: grade one filter is made up of the fine bucket 4 of cyclone head 1, tubular filter screen 3 and collection; Secondary garden tube filter is made up of fire-retardant filtrate 6 and metal protecting wire net 8, and sealing and fixing is in tubular filter screen 3 outsides; Fine bucket 4 of collection and spiral compacting separator 23 fuse; The air-flow that contains high concentrate dust that dust blower 30 is discharged is handled by cyclone separator 36 and 35 secondary separations of high density filter bag.

2, twin-stage dirt catcher according to claim 1 is characterized in that the cylindrical shell bus of the cylinder filter be made up of fire-retardant filtrate 6 and metal protecting wire net 8 can move radially 30 millimeters, and metal protecting wire net 8 is hung on cyclone head 1.

3, twin-stage dirt catcher according to claim 1 is characterized in that turning round the pipe that suction nozzle 7 is two cutting elongated grooves of a symmetry, and endoporus communicates with the rubber-tyred annular seal space.

4, according to claim 1 and 3 described twin-stage dirt catchers, it is characterized in that the rubber-tyred annular seal space is made up of body center plate 10 and center bearing 11, body center plate 11 is a revolving body, rotate synchronously with suction nozzle 7, center bearing 11 is a fixture, bottom opening, be communicated with dust blower 30 inlets via airduct 26, between body center plate 10 and the center bearing 11, have and pay the concentric plane bearing of annular seal space, mainly form by ball 17, outer steel traveler 18, interior steel traveler 19.

5,, it is characterized in that turning round suction nozzle 7 bottoms and synchronous rotating flexible ash-removing plate 29, a chassis 13 are housed a flue-dust retainer 28 and adjustment doors 27 are housed according to claim 1 and 3 described twin-stage dirt catchers.

6, twin-stage dirt catcher according to claim 1 is characterized in that dust blower 30 outlets are connected in series airduct 31, cyclone separator 36 and high density filter bag 35 successively, carry out secondary separation to the air-flow that contains high concentrate dust and handle.

7,, it is characterized in that spiral impurities removal device 33,34 is equipped with in the bottom of cyclone separator 36 and high density filter bag 35 according to claim 1 and 6 described twin-stage dirt catchers.