CN201997192U

CN201997192U - Automatic cleaning and reclaiming double-stage filter

Info

Publication number: CN201997192U
Application number: CN2011200097831U
Authority: CN
Inventors: 黄深贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-01-13
Filing date: 2011-01-13
Publication date: 2011-10-05
Anticipated expiration: 2021-01-13

Abstract

The utility model provides an automatic cleaning and reclaiming double-stage filter. A net cage filter element, the center of which is provided with a filter element rotating shaft, is arranged in a filter chamber; a plurality of absorption trays are arranged on the surface of the net cage filter element; and a rotary brush is arranged on the surface of the net cage filter element. The filter is structurally characterized in that: a wind shield is arranged between an air inlet pipe orifice and the net cage filter element, and a partition plate is arranged at the bottom of the filter chamber; and a secondary filter chamber is formed at one end of the net cage filter element, a filter cloth bag or a filter element cylinder is arranged above the secondary filter chamber, and an air outlet chamber is formed above the secondary filter chamber. Through the filter, powdery materials or fibers lost together with the air in the production process can be reclaimed, so that the energy is saved, the consumption is reduced and the production cost is reduced; and meanwhile, powdery materials, fibers, powder and dust are not outwards discharged to the air of the nature, so that the air is purified and the environment is protected. The automatic cleaning and reclaiming filter is mainly used in the industries of sanitary towel and paper diaper production, cement production, flour milling, powder feeding, cigarette manufacture and the like.

Description

Automated cleaning reclaims the double-stage filtering machine

Technical field

The utility model relates to a kind of powder or fiber recovery filter of environment-friendly engineering, is mainly used in to loop back useful fine particle, fiber or the powder that midwifery product process produces, and makes it to be utilized once more.

Background technology

The used air cleaning filter of environment-friendly engineering has dual mode basically at present, and the one, with the air filtration of cloth-bag type, promptly make the cloth bag filter core with fiber cloth, the 2nd, the filter core that fibrous paper or glass fibre fold the tubular of making is promptly used in cartridge type air filtration.More than the filter core of two kinds of filter types maintain static moving, can increase the air backwash and clean filter core, being deposited on the air of dust dust by backwash on the filter core cloth blows under the effect of power and gravity and drops in the gatherer of filter core below, and the periodic cleaning gatherer, the air backwash can guarantee recycling of filter core.Two kinds of structures of above cloth bag and tubular are applicable to the filtration and the collection and treatment of dust, and are not suitable for being used in the quantitative recovery utilization that in the fabrication line process useful fine particle, fiber or powder is circulated.For example: at sanitary napkin, in the production process of protection pad or paper diaper, be added to production technology through bulky paper pulp fibres and macromolecule (SAP) the suction powder of pulverizing, and carry out mixed-forming by air dielectric, form sanitary napkin, the absorptive core of protection pad or paper diaper, in this process, part fluff pulp fibers and macromolecule (SAP) suction powder can run off along with the air discharging, cause waste, cause production cost to increase, pollute the environment simultaneously, need to increase cleaner and come the filtered air dust to discharge, but there is following reason in existing filter plant, can not satisfy completely purifying air, have much room for improvement.Reason 1: do not have deep bead and baffle plate device in the existing filter filter chamber, contain powder particle and fiber in the air of air inlet pipe, these powder particles and fiber can directly impact the filter cloth on the cylinder mould filter core, impact the filter cloth breakage that makes for a long time, influence the service life of filter cloth; Reason 2: existing filter does not have the cascade filtration function, that is to say that existing filter useful in process of production fine particle, fiber or powder are by the cylinder mould filter element filtering and the recycling of one-level, but ultra-fine particle, powder or dust can penetrate the cylinder mould filter core filter cloth of one-level, and to enter into air-out indoor and discharge outside atmosphere by pipeline, also can cause environmental pollution; Reason 3: the indoor air of existing filter air-out is if directly be discharged in the atmosphere, and so ultra-fine powder can cause atmosphere pollution, must do further purified treatment fully, could externally discharge.

The utility model content

The purpose of this utility model will provide a kind of automated cleaning to reclaim the double-stage filtering machine exactly, by improve filtering machine structure, make the powder collected or fiber can be fully in time quantitative recovery deliver to production line and utilize again, do not cause waste and contaminated environment.

Technical solution adopted in the utility model is:

The cloth that is used to filter is surrounded circular cylinder mould support, make the cylinder mould filter core, and to cylinder mould power, allow cylinder mould rotatablely move, on the cylinder mould surface of rotation, sucker is installed, the powder or the fiber that deposit on the cloth of sucker with the cylinder mould surface suck out, and send back to production line by the recovery airduct and utilize once more.The cylinder mould filter that powder that the air of production process constantly produces or fiber are sent to this rotation, simultaneously useful powder or fiber constantly are recovered again to be delivered on the production line, by recycling once more.

Defective at former utility model, newly-increased technical scheme content: one, set up deep bead and baffle plate device in the filter chamber, avoid airborne powder particle of air inlet pipe and fiber directly to impact filter cloth on the cylinder mould filter core, cause the filter cloth damage, influence the service life of filter cloth, dividing plate is kept apart the dead angle in the filter chamber simultaneously, avoids powder and fiber to assemble the dead angle, reach powder and fiber fully reclaims, also be convenient to the cleaning and the maintenance of filter chamber; Two, in the discharge chamber of filter, increase cascade filtration, promptly setting up one or several in discharge chamber filters cloth bag or crosses filter core cylinder, the air that makes cylinder mould filter core one-level filter out carries out secondary filter, ultra-fine particle or powder interception are collected, through externally discharging of cleaned air passes, cascade filtration is provided with the back purge system of compressed air purge, and cloth bag or cartridge filter are carried out the timing backwash that circulates; Three, vacuumize at the filter core of discharge pipe increase air draft blower fan cascade filtration; Four, set a pond in the discharge pipe terminal, the wind through two stage treatment is carried out final purification handle, remaining dust is purified in the atmosphere of back discharging by water filtration fully.

Architectural feature is: automated cleaning reclaims the double-stage filtering machine and comprises: the cylinder mould filter core 19 that filter core rotating shaft 1 is established at the center is installed in the filter chamber 7, several absorption traies 9 that are fixed in the filter chamber 7 are installed in cylinder mould filter core 19 surfaces, be provided with rotatable hairbrush 5 on cylinder mould filter core 19 surfaces, it is characterized in that: deep bead 3 is installed between 8 mouthfuls of blast pipes and cylinder mould filter core 19, and dividing plate 4 is installed in the bottom of filter chamber 7; Cylinder mould filter core 19 1 ends are provided with cascade filtration chamber 16, and one or several filter cloth bags or filter core cylinder 17 have been installed in the top in the cascade filtration chamber 16, go out the top that air compartment 12 is arranged at cascade filtration chamber 16.

Go out on the discharge pipe 13 of air compartment 12 air draft blower fan 14 is set.

This automated cleaning reclaims the double-stage filtering machine both can make production process be reclaimed with powder or the fiber that air runs off; energy-saving and cost-reducing; reduce production costs; powder, fiber, powder and dust that production process is produced outwards are not lost in the air of the Nature; purify air, played the effect of protection environment.

This automated cleaning reclaims filter and is mainly used in: sanitary napkin and paper diaper production, and manufacture of cement, flour processing, powder is thrown in, industries such as cigarette manufacturing.

Description of drawings

Fig. 1 reclaims the filtering machine structure schematic diagram for the utility model automated cleaning.

Fig. 2 is the generalized section of Fig. 1.

The specific embodiment

This filter by filter core rotating shaft 1, hairbrush rotating shaft 2, deep bead 3, dividing plate 4, hairbrush 5, valve 6, filter chamber 7, blast pipe 8, absorption tray 9, reclaim airduct 10, reclaim blower fan 11, go out air compartment 12, discharge pipe 13, air draft blower fan 14, pond 15, cascade filtration chamber 16, filter cloth bag or filter core cylinder 17, rotating shaft bracing frame 18 and cylinder mould filter core 19 are formed.

Cylinder mould filter core 19 is installed in the filter chamber 7, deep bead 3 is installed between cylinder mould filter core 19 and the air inlet, dividing plate 4 is arranged on the bottom of filter chamber 7, and filter core rotating shaft 1 is established at cylinder mould filter core 19 centers, and cylinder mould filter core 19 rotates around the filter core rotating shaft 1 that rotating shaft bracing frame 18 supports.The top of filter chamber 7 is provided with one or more blast pipes 8, and communicates with filter chamber 7.Several absorption traies 9 are fixed in the filter chamber 7, the sucker of absorption tray 9 is installed on cylinder mould filter core 19 surfaces, the recovery airduct 10 of connection absorption tray 9 stretches out outside the filter chamber 7 and assembles by-pass valve control 6, reclaiming airduct 10 is connected with recovery blower fan 11 through valve 6, under the control of valve 6, absorption tray 9 can take turns to operate.Cylinder mould filter core 19 1 ends are

cascade filtration chambers

16,16 tops, cascade filtration chamber set out air compartment 12, the top is installed one or several and is filtered cloth bag or filter core cylinder 17 in the cascade filtration chamber 16, filter cloth bag or filter core cylinder 17 are connecting air compartment 12, going out air compartment 12 is connected with discharge pipe 6, air draft blower fan 14 is set on the discharge pipe 6 gives filtration cloth bag or filter core cylinder 17 and go out air compartment 12 formation negative pressure of vacuum, the air of Pai Chuing is delivered to pond 15 final purifications processing by discharge pipe 13 at last.

The air that has powder or fiber from top to bottom is blown in the filter chamber 7 by blast pipe 8, and deep bead 3 blocks air avoids directly impacting filter cloth, makes the filter cloth damage.Because blast pipe 8 has pressure, make powder in the air dielectric or fiber laydown at cylinder mould filter core 19 outer surfaces, dividing plate 4 isolates out the dead angle of 7 bottoms in the filter chamber, avoids powder and fiber laydown, influences recovering effect.Absorption tray 9 just sucks out the powder or the fiber of cartridge surface deposition when 19 rotations of cylinder mould filter core, delivers on the production line by recovery airduct 10 and is utilized once more.When cylinder mould filter core 19 constantly rotates, the powder or the fiber that constantly are deposited on cylinder mould filter core 19 surfaces constantly are absorbed dish suction 9 withdrawal receipts, the surface of cylinder mould filter core 19 has also been cleaned in absorption tray 9 simultaneously, guarantee the permeability of filter cloth, make filter work circularly, the hairbrush 5 that is installed in cylinder mould filter core 19 surfaces has in addition further cleaned the surface of cylinder mould filter core 19 by the rotation of hairbrush rotating shaft 2, make absorption tray 9 absorb sordid place and cleaned, guaranteed the whole permeability of cylinder mould filter core 19 by hairbrush 5.Exist powder and the dust that to recycle through the air after the filtration of cylinder mould filter core 19 one-levels, carry out cascade filtration by filter cloth bag or filter core cylinder 17 and handle to collect in that cascade filtration is indoor, the air that discharge pipe 6 is discharged 15 inner filtrations in the pond once more at last, the thorough remaining dust of elimination, final purification air just discharge in the atmosphere, played the effect of environmental protection fully.

Claims

1. an automated cleaning reclaims the double-stage filtering machine, comprise: the cylinder mould filter core (19) that filter core rotating shaft (1) is established at the center is installed in the filter chamber (7), several absorption traies (9) that are fixed in the filter chamber (7) are installed in cylinder mould filter core (19) surface, be provided with rotatable hairbrush (5) on cylinder mould filter core (19) surface, it is characterized in that: between blast pipe (8) mouth and cylinder mould filter core (19) deep bead (3) is installed, dividing plate (4) is installed in the bottom of filter chamber (7); Cylinder mould filter core (19) one ends are provided with cascade filtration chamber (16), and one or several filter cloth bags or filter core cylinder (17) have been installed in the top in cascade filtration chamber (16), go out the top that air compartment (12) is arranged at cascade filtration chamber (16).

2. automated cleaning according to claim 1 reclaims the double-stage filtering machine, it is characterized in that: go out on the discharge pipe (13) of air compartment (12) air draft blower fan (14) is set.