CN101586550B - Environment friendly and energy-saving air compressor air intake filter - Google Patents
Environment friendly and energy-saving air compressor air intake filter Download PDFInfo
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- CN101586550B CN101586550B CN2009103021899A CN200910302189A CN101586550B CN 101586550 B CN101586550 B CN 101586550B CN 2009103021899 A CN2009103021899 A CN 2009103021899A CN 200910302189 A CN200910302189 A CN 200910302189A CN 101586550 B CN101586550 B CN 101586550B
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- blowback
- cyclone separator
- filter
- air
- whirlcone
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Abstract
An environment friendly and energy-saving air compressor air intake filter comprises a fiber filter and a blowback system. It is characterized that a primary centrifugal separator is mounted at an airintake end of the fiber filter. The tapered distributer and a positive-blow whirlcone are mounted at an air intake end of a cylindrical dust collector. A blowback whirlcone is mounted at an air disch arge end of the dust collector. An air stream is rotated after passing through the positive-blow whirlcone. Blades at an inlet of the blowback whirlcone are in accordance with blades of the positive-blow whirlcone. Blades at an outlet are twisted and parallel with axes. The rotated air stream is changed to the axial rectilinear air stream to enter the fiber filter. A nozzle of the blowback air stream is connected with an impulse valve and a buffer tank. The blowback air stream entering the primary centrifugal separator is changed to the rotated air stream by the blowback whirlcone when the blowback is performed. This invention has the advantages of high filter efficiency, low energy consumption, long service life of filter element, broad-minded of single blowback, small blowback frequency,with a certain moisture-proof ability.
Description
Technical field
The present invention relates to the Dual-Phrase Distribution of Gas olid segregating unit, especially a kind ofly be used for the environment friendly and energy-saving air compressor air intake filter that pressure of inspiration(Pi) is the air compressor of normal pressure.
Background technique
Pressure of inspiration(Pi) is that the air compressor of normal pressure generally is meant large-scale space division device centrifugal air compressor and the various compressor of medium and small instrument wind of getting gas from atmosphere.What the air compressor inlet air filtration that present suction pressure is a normal pressure generally adopted is fiber filter, utilizes the characteristic of fiber adsorption particle to filter out the prejudicial dust granules of unit.Mainly contain three kinds of modes: the disposable fibrous filtration of single-stage, multistage fiber filter and self-cleaning type fiber filter.All can not satisfy industrial requirements fully in the actual use of these three kinds of patterns, be listed below:
One, single-stage disposable filtering pattern is to design one or more fabric filter elements at the air compressor inlet place, and gas is only purified once, and filter core operation resistance in latter stage reaches specified value, more renews filter core.This pattern is simple in structure, is widely used on the instrument ventilating compressor, and problem has:
1. filter efficiency is generally lower.This problem can be determined by the observation of disintegration air compressor, just can be very easy to find according to inner clean level.Utilize the research equipment of Tongji University, the author once did detection, and common new filter core is when filtering the particle of 〉=5 μ m, and filter efficiency only has about 50%.Have some highi degree of accuracy filter cores can reach filter precision preferably, but price general charged is more than 5--7 a times of common filter core.
2. height falls in the filter resistance, and is not energy-conservation.Use initial flow resistance generally about 1500Pa, the general 7000Pa of final flow resistance.
3. scrap filter core and dispose difficulty, easily cause the environmental protection accident.Each filter core contains a spot of metal, reclaim to need consumes certain manpower, and factory generally makes industrial rubbish heap and puts and bury.
Two, the multistage filtering pattern is used the particle adsorptive power of the nonwovens of different accuracy, more than 2 times intake air is purified.Main use air separation facility with large air compressor on, seldom adopt at present, main cause is its subject matter just:
1. take up an area of greatly, investment is big.
2. cleaning or more renew cartridge inconvenience, part also needing to stop and handling.
3. for preventing that foreign matter from entering unit, the processing requirements height in air channel.
Three, self-cleaning type filters pattern and utilizes dirt filter dirt characteristic, uses the filter core of general precision to create high-precision air purification effect, has prolonged filter core certain working life.Lot of superiority is arranged, but in the practical application, also has following problem not to be resolved:
1. filter core uses the initial stage, and dust is not also assembled on fiber, and dirt filter dirt phenomenon can not occur, and faces the problem of single-stage disposable filtering too, and efficient is lower.
2. the particle that goes out of blowback has two places to go, and one is and is absorbed by other filter core, causes blowback frequency height, has increased the blowback energy consumption; Another is to be discharged in the atmosphere, causes secondary pollution, near operator's the health unfavorable equipment.
3. it is very harmful to filter core to be not suitable for moist environment, particularly water smoke, can the serious life-span that shortens filter core.
4. backflowing gas amount can not be regulated, and the blowback effect is limited.
5. bulky, be difficult for doing the indoor type design, the inner slagging-off in equipment and air channel is difficulty, is used for the demanding air compressor of impurity, and certain risk is arranged.
Summary of the invention
At the prior art above shortcomings, the purpose of the present invention design provides a kind of reliable, environmental protection, economic air compressor air intake filter.
The object of the present invention is achieved like this: promptly a kind of environment friendly and energy-saving air compressor air intake filter, comprise fabric filter and blowback system, wherein: fabric filter is made of fabric filter element and urceolus, its outlet side is communicated with the inlet end of gas collecting box, comprise in the blowback system that described purge gas nozzle is positioned at the outlet side of fabric filter by the purge gas nozzle of impulse controller and the control of pulse control valve thereof; It is characterized in that: in the inlet end setting of fabric filter by the taper flow distribution apparatus, just blowing cyclone separator, dividing plate, the dust catching device, the first-stage centrifugal separator that the blowback cyclone separator constitutes, described taper flow distribution apparatus reaches and is just blowing the inlet end that cyclone separator is installed in the dust catching device of tubular, the blowback cyclone separator is installed in the outlet side of dust catching device, described blade and the diametric plane that is just blowing cyclone separator forms 5o-40 ° oblique angle, air-flow produces rotation behind the forward cyclone separator, oppositely cyclone inlets place blade is consistent with the blade of forward cyclone separator, be and parallel axes in the outlet port blade twist, aforementioned swirling eddy changed into axial craspedodrome air-flow enter fabric filter; Described purge gas nozzle is connected with surge tank by pipeline and sentinel valve, and the blowback cyclone separator will enter blowback air circulation the becoming swirling eddy of first-stage centrifugal separator when blowback.
The invention has the advantages that:
Concrete target has: 1, no matter use the initial stage, an extraordinary filter efficiency all can be arranged final period.2, adopt widely used cheap common filter core at present, increasing the service life more than 2 times on the basis of self-cleaning strainer.3, airborne particle must reclaim, and reaches the purpose of environmental protection.4, the existing self-cleaning strainer of the frequency ratio of blowback reduces more than 8 times.5, has certain moistureproof ability.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1-taper flow distribution apparatus; 2-is just blowing cyclone separator; The 3-dividing plate; 4-dust catching device; 5-blowback cyclone separator; 6-filter core connector; The 7-filter core; The 8-urceolus; 9-blowback air nozzle; The 10-gas collecting box; The outlet of 11-gas collecting box; 12-pulse control piece; The 13-sentinel valve; The 14-surge tank; The 15-pressure regulator valve.
Embodiment
The present invention is further illustrated for the embodiment of an indefiniteness that provides below in conjunction with embodiment and accompanying drawing:
Technological scheme disclosed in this invention is used for gas, solid two and is separated.Being specially adapted to pressure of inspiration(Pi) is the air compressor inlet air filtration of normal pressure.
As shown in drawings, the present invention is made of first-stage centrifugal separator, secondary fabric filter and blowback system.The first-stage centrifugal separator is by the taper flow distribution apparatus
1, just blow cyclone separator 2, dividing plate 3, dust catching device
4, the blowback cyclone separator
5Constitute, the secondary fabric filter is by filter core link 6, filter core
7, urceolus 8 constitutes, blowback system is by blowback air nozzle 9, impulse controller 12, sentinel valve 13, gas holder
14, pressure regulator valve
15Form.Wherein: secondary fabric filter outlet side is communicated with the inlet end of gas collecting box, and purge gas nozzle 9 is positioned at the outlet side of secondary fabric filter; Go out its end in the inlet end setting of fabric filter with the first-stage centrifugal separator and be connected, in the first-stage centrifugal separator, described taper flow distribution apparatus 1 and just blowing cyclone separator
2Be installed in the inlet end of primary separator, blowback cyclone separator 4 is installed in the outlet side of primary separator, described blade and the diametric plane that is just blowing cyclone separator forms 10o-15 ° angle, air-flow produces rotation behind the forward cyclone separator, oppositely cyclone inlets place blade is consistent with the blade of forward cyclone separator, be and parallel axes in the outlet port blade twist, aforementioned swirling eddy changed into axial craspedodrome air-flow enter fabric filter; Described purge gas nozzle 9 is connected with surge tank 14 by pipeline and sentinel valve 13.
Described first-stage centrifugal separator just blow cyclone separator
2Reaching blowback cyclone separator 5 is the blade type cyclone separator, and it is blown into angle 5o-40 °.
In the embodiments of the invention, the material of the dust collection 4 of described first-stage centrifugal separator is the nonwovens of static electrification.
Described surge tank 14 is installed on the gas collecting box 10, on its suction tude pressure regulator valve is installed
15
Gas collecting box
10Generally choose stainless steel, and do special acidification, also can select carbon steel in inside.Accumulator
9And pressure regulator valve
10Be to be used for regulating backflowing gas amount.
Based on said structure, working principle of the present invention is as follows:
Under the normal state, pending air is by the taper flow distribution apparatus
1, enter and just blow cyclone separator
2, just blowing cyclone separator
2The interior generation rotated, and under action of centrifugal force, dust granules is by the dust catching device
4In fiber absorption, gas obtains purifying for the first time.Purified gas is at the blowback cyclone separator
5Effect under, stop the rotation, recover kinetic energy is a potential energy.Gas after stopping the rotation passes through filter core
7Filter once more, compile at last and enter gas collecting box
10, arrive compressor inlet by gas collecting box outlet 11.Under the blowback state, gas flow and normal opposite, gas is blown out by blowback air nozzle 9, drives the interior gas of casing and oppositely blows to filter core
9, with filter core
7On the dust granules that adheres to blow out, with the purge gas of particle at the blowback cyclone separator
4Effect under, produce rotation, dust granules is thrown to the dust catching device under action of centrifugal force
4On, the gas of going out also is purified.
In another embodiment of the present invention, gas collecting box is provided with 4 cover described first-stage centrifugal separator, secondary fabric filter and blowback air nozzles 9, their shared surge tanks, and it is 40m that this device can be handled tolerance
3/ min; In the described first-stage centrifugal separator just blow cyclone separator 2 just be blown into 15 ° of bicker degree, 18 ° of blowback angles, slenderness ratio 1.2.
The effect that above-mentioned example obtains is as follows:
One, revolves empty good purifying effect of acquisition and the less flow resistance of separating.
Utilize laser calculating instrument BCJ-1, precision ± 6%, the result of observation
Air quantity 600m3/h (grain/2.83 liters)
Taper flow distribution apparatus in the above-mentioned first-stage centrifugal separator
1, just blow cyclone separator
2, dividing plate
3, the dust catching device
4, the blowback cyclone separator
5The pressure drop that produces is 600Pa, whole pressure drop 1000Pa.
Operation is after 10 days continuously, and the dust granules filter efficiency of 〉=5 μ m reaches 99.9%
Can find out revolve the empty cutting particle diameter that separates and reach＜1 μ m, and pressure drop to have only 600Pa by data sheet.
Two, blowback cycle stretch-out once becomes at least 10 clock blowbacks once by original blowback in 1 minute, and filter element life increases.
Reason has 2:
1, a large amount of dust are revolved the purification of sky separator, have reduced the burden of filter core.
2, the dust that goes out of blowback no longer pollutes other filter core.
Three, surge tank increases the single backflowing gas amount, there is no need to re-use Venturi tube, has dwindled volume, makes it the easier Interior design of carrying out, and has saved admission line.
Four, because the front portion has added centrifugation, can get rid of and take off certain water smoke, possess certain moistureproof ability.
Through after the optimal design, its effect can be better, but design aim can not change.
Claims (3)
1. environment friendly and energy-saving air compressor air intake filter, comprise fabric filter and blowback system, wherein: fabric filter is made of fabric filter element (7) and urceolus (8), the outlet side of fabric filter is communicated with the inlet end of gas collecting box (10), comprise in the blowback system that described purge gas nozzle is positioned at the outlet side of fabric filter by the purge gas nozzle (9) of impulse controller (12) and sentinel valve (13) control thereof; It is characterized in that: the inlet end setting of fabric filter by taper flow distribution apparatus (1), dividing plate (3), dust catching device (
4), the blowback cyclone separator (
5),Just blowing cyclone separator (
2)The first-stage centrifugal separator that constitutes, described taper flow distribution apparatus (1) and just blowing cyclone separator (
2)Be installed in the inlet end of the dust catching device (4) of tubular, blowback cyclone separator (5) is installed in the outlet side of dust catching device (4), described just blowing cyclone separator (
2)Blade and the diametric plane angle that forms 5o-40 °, air-flow produces rotation after just blowing cyclone separator, blowback cyclone inlets place blade is consistent with the blade that just blows cyclone separator (2), be parallel axes with the blowback cyclone separator in the outlet port blade twist, aforementioned swirling eddy changed into axial craspedodrome air-flow enter fabric filter; Described purge gas nozzle (9) is connected with surge tank (14) by pipeline and sentinel valve (13), and blowback cyclone separator (5) will enter blowback air circulation the becoming swirling eddy of first-stage centrifugal separator when blowback.
2. environment friendly and energy-saving air compressor air intake filter according to claim 1 is characterized in that: the particle collection nonwovens in cylindrical shell constitutes the dust catching device (4) of first-stage centrifugal separator by cylindrical shell and lining.
3. environment friendly and energy-saving air compressor air intake filter according to claim 1 is characterized in that: surge tank (14) is installed on the gas collecting box (10), be equipped with on the suction tude of surge tank pressure regulator valve (
15)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103021899A CN101586550B (en) | 2009-05-09 | 2009-05-09 | Environment friendly and energy-saving air compressor air intake filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103021899A CN101586550B (en) | 2009-05-09 | 2009-05-09 | Environment friendly and energy-saving air compressor air intake filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101586550A CN101586550A (en) | 2009-11-25 |
| CN101586550B true CN101586550B (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103021899A Expired - Fee Related CN101586550B (en) | 2009-05-09 | 2009-05-09 | Environment friendly and energy-saving air compressor air intake filter |
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| CN (1) | CN101586550B (en) |
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|---|---|---|---|---|
| CN104153885B (en) * | 2014-08-16 | 2016-01-20 | 哈尔滨工业大学 | The voltage stabilizer of symmetric type filtering bending air inlet |
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Granted publication date: 20110608 Termination date: 20130509 |