CN102489087A - High-efficiency centrifugal filter screen disc and manufacturing method thereof - Google Patents
High-efficiency centrifugal filter screen disc and manufacturing method thereof Download PDFInfo
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- CN102489087A CN102489087A CN201110426680XA CN201110426680A CN102489087A CN 102489087 A CN102489087 A CN 102489087A CN 201110426680X A CN201110426680X A CN 201110426680XA CN 201110426680 A CN201110426680 A CN 201110426680A CN 102489087 A CN102489087 A CN 102489087A
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- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 239000007769 metal material Substances 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 3
- 229920002521 macromolecule Polymers 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a high-efficiency centrifugal filter screen disc and a manufacturing method thereof, belonging to the technical field of air filtering purification devices or methods based on centrifugal force. The filter screen disc disclosed by the invention comprises a screen frame composed of an outer ring, an inner ring and connecting bars, wherein a radial filter screen is arranged between the inner ring and the outer ring, a pair or multiple pairs of pressure rings which are matched with the inner ring and symmetrically mounted on the two sides of the inner ring are arranged on the inner ring, and the double-layer radial filter screen which is formed by winding filtering silk threads and symmetrically distributed on the two sides of the screen frame is arranged between the inner side of each pair of the pressure rings and the outer side of the outer ring. The manufacturing method of the filter screen disc comprises the following steps: firstly uniformly winding the filtering silk thread I between the inner ring and the outer ring along the circumferential direction, and further symmetrically fixing the two pressure rings on the two sides of the inner ring; and finally uniformly winding the filtering silk thread II between the pressure rings and the outer ring along the circumferential direction, wherein the steps can be repeatedly performed as required. The high-efficiency centrifugal filter screen disc disclosed by the invention has the advantages that the number of layers of the filter screen is doubled so as to improve the filtering effect on the basis that the overall weight and the cost are increased slightly.
Description
Technical field
The invention belongs to a kind of air filtration and purification apparatus or method of utilizing centrifugal force, be specifically related to a kind of centrifugal filtration net dish and preparation method thereof.
Background technology
At present oil smoke suction equipment in family and restaurant, suitable having popularized of catering trade such as hotel.Most of equipment all are to carry out filtering oil smoke through various screen pack or filter; But this static filtering mode can only the filtration fraction oil smoke; Still there are quite a few oil smoke, steam access arrangement inner, corrode inner chamber, motor, flabellum etc., except will regularly cleaning; Also can cause electrical machinery life shortening, pump drainage efficient to reduce, increase the operation and maintenance cost.The oil smoke discharge that does not filter out still causes very big pollution to environment in atmosphere, also had a strong impact on the people's physical and mental health.
The centrifugal purifier that has a kind of band to rotate through the filter screen dish is in recent years well used aspect air cleaning; Its operation principle is that airborne micronic dust particle is collided, cuts, tackles by the filter screen silk of rotation at a high speed through filter screen the time; And under action of centrifugal force, being broken away from the filter screen dish by force, this mode has good clean-up effect.Like application number is that rotary filter net disk, application number that 200810063704.8 Chinese patent is used for range hood are that 200910062096.3 Chinese patent discloses a kind of radial radiation-type rotational filter screen disc; These two kinds of net dishes mainly comprise by outer skeleton, inner frame, the rack formed of dowel radially; And the twine net that between inside and outside skeleton, twines; These two kinds of net dishes are compared with the net dish structure of no inner frame structure; Solve eccentric, the easy appearance of the net dish that causes because of filter screen silk distribution juxtaposition and piled up problems such as obstruction, prolonged service life and efficient.But through check, still there is following deficiency in these two kinds of net dishes.
The canoe of this filter silk has determined that the filter screen gap from inner frame to outer skeleton is to become big gradually; Angle is little can the feasible filter silk distribution near from the center of circle very close between filter silk; Cause the local obstruction that occurs piling up easily; If the increase angle can make again from the near filter silk gap of outer skeleton and become loose, this all can have influence on the interception filter effect.
Also have a rotating speed factor, the characteristics of this filter type are that rotating speed is fast more, and filter effect is just good more, but rotating speed can cause too soon shortcomings such as operation is unstable, noise is big, required motor power height, rotating speed is slow and do not reach due filter effect.
In practical operation; Also can a plurality of double-layer filtering net dish series connection be used, but this can cause the weight of structure and cost also to be multiplied, the flow-disturbing that produces between the net dish when rotating at a high speed can increase windage, noise; In order to guarantee filter effect, just need significantly improve motor speed and power.
In reality processing, above two factors be difficult to accomplish the best, also just be difficult to guarantee filter effect.Therefore, need further to improve the structure of centrifugal filtration net dish.
Summary of the invention
In order to overcome the weak point of above-mentioned prior art, the present invention provides a kind of efficient centrifugal filter screen disk and preparation method thereof, on all very little basis of overall weight and cost amplification, increases exponentially the number of plies of screen pack, significantly improves filter effect.
The present invention realizes through following technical scheme: a kind of efficient centrifugal filter screen disk; It comprises the rack of mainly being made up of outer shroud, interior ring and dowel; Be provided with in the annular region in described between ring and the outer shroud be entwined by filter silk thread I, be distributed in the double-deck radial filter screen of rack both sides symmetrically; It is characterized in that: be equipped with on the ring in described one or more pairs of and interior ring suitable, symmetry be installed in the pressure ring of ring both sides, be provided with in the annular region between the inboard of every pair of pressure ring and the outside of outer shroud that silk thread is entwined by filtering, be distributed in the double-deck radial filter screen of rack both sides symmetrically.
Described pressure ring is through welding or glued fixing.
On the ring inboard keyway is arranged in described; The boss of ring in the one side of described pressure ring is manufactured with and can stretches into, the outer rim of boss has key.
There is keyway the boss inboard of described pressure ring.
The inboard of ring and the outside of outer shroud are covered with anti-skidding rag in described; There is anti-skidding rag the inboard of described pressure ring.
The cross section of described dowel is a parallelogram, and the inclined plane acutangulates with direction of rotation.
The plane of described dowel both sides is with respect to the inside indentation in plane of interior ring or outer shroud both sides.
The diameter of described filter silk thread is processed into by high strength, corrosion resistant metal material or macromolecule polymeric material between 0.01～0.2mm.
A kind of preparation method of described efficient centrifugal filter screen disk may further comprise the steps:
The first step will be filtered silk thread I interval at a certain angle earlier in the annular region of circumferencial direction uniform winding between interior ring and outer shroud, and the two ends that will filter the silk thread I fix, and form two-layer radial filter screen in the rack bilateral symmetry;
In second step, two pressure rings are fixed on the interior both sides of encircling symmetrically;
In the 3rd step, in the annular region of circumferencial direction uniform winding between pressure ring and outer shroud, and the two ends that will filter the silk thread II fix, and form two-layer radial filter screen again in the rack both sides with filter silk thread II interval at a certain angle;
The 4th step as required, can repeat above-mentioned steps, on pressure ring, continued symmetry and added pressure ring, and between outer shroud and the pressure ring that increases newly, continue to twine and filter silk thread, formed new filter mesh layer.
The further improvement of said method, repeatedly line is all consistent with the angle of line during kinking; And each kinking is compared last kinking and is twined for wrong row, and promptly every line is positioned at once in the projection on the filter screen plane in the middle of the projection of adjacent two lines of kinking.
The invention has the beneficial effects as follows:
1. on all very little basis of overall weight and cost amplification, increase exponentially the number of plies of screen pack; Though windage increases to some extent; But the net dish of a merchandiser double medium filtration web frame is compared, and under same specification motor situation, rotating speed is equivalent to improve approximately uniform multiple.
2. secondary kinking and the wrong row's distribution of kinking for the first time; Between every layer of screen pack certain space is arranged; To compare draught area influence with the double medium filtration web frame very little, and the wrong row's of this multilayer mode has well solved the not high shortcoming of filter efficiency that differs and cause in rack filter screen gap that the Double-level Reticulated structure occurs.
3. radially the plane on dowel two sides is slightly more shallow than rack plane; Just can not occur filtering silk thread during kinking in the first time sticks together with the dowel plane; Prevent that greasy dirt from piling up on the dowel surface, let each root filter silk thread can both play the effect of interception oil smoke, impurity.
4. the rag that interior ring medial surface and outer shroud lateral surface are covered with can prevent that the filter silk from sliding, and kinking speed is fast.
5. connect through key and make boss, make pressure ring and interior ring, interior ring more firm, when high speed is rotated, can not skid, get loose, have simple in structure, long-acting and characteristics such as production efficiency height with being connected of interior ring.
Description of drawings
According to accompanying drawing and embodiment the present invention is further specified below.
Fig. 1 is grid structure sketch map of the present invention and A-A cutaway view thereof;
Fig. 2 is the present invention's kinking sketch map for the first time, and dotted line representes to filter the silk thread I;
Fig. 3 is a pressure ring scheme of installation behind the present invention's kinking first time;
Fig. 4 is the present invention's kinking sketch map for the second time, and fine line representes to filter the silk thread II;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the side view of pressure ring;
Fig. 7 is the B-B cutaway view of Fig. 6;
Fig. 8 is the vertical view of Fig. 6.
Among the figure, 1, outer shroud, 2, dowel, 3, filter silk thread I, 4, filter silk thread II, 5, interior ring, 6, pressure ring.
The specific embodiment
Like Fig. 1, Fig. 4, shown in Figure 5; A kind of efficient centrifugal filter screen disk; It comprises the rack of mainly being made up of outer shroud 1, interior ring 5 and dowel 2; Be provided with in the annular region in described between ring 5 and the outer shroud 13 that be entwined by filter silk thread I, be distributed in the double-deck radial filter screen of rack both sides symmetrically; It is characterized in that: in described ring be equipped with on 5 one or more pairs of and interior ring 5 suitable, symmetry be installed in the pressure ring 6 of ring 5 both sides, be provided with in the annular region between the outside of the inboard of every pair of pressure ring 6 and outer shroud 1 that silk thread is entwined by filtering, be distributed in the double-deck radial filter screen of rack both sides symmetrically.Each rack bilateral symmetry ground that is wrapped in produces two-layer radial filter screen.
Described pressure ring 6 is through welding or glued fixing.
The both sides of pressure ring 6 can be put down, and also can simultaneously make boss at it.
Like Fig. 5, Fig. 6, Fig. 7, shown in Figure 8, described interior ring has 4 keyways on 5 inboards; The one side of described pressure ring 6 has boss, and the outer rim of boss has 4 keys and interior ring to be complementary, and guarantees that net dish and pressure ring 6 rotate together.There is keyway the boss inboard of described pressure ring 6, and the continuation of being convenient to other pressure ring is installed.The material of pressure ring 6 can be a metal material, also can be nonmetallic materials, preferred nonmetallic materials.
The inboard of ring 5 and the outside of outer shroud 1 are covered with anti-skidding rag in described; There is anti-skidding rag the inboard of described pressure ring 6.Slide when rotating at a high speed in order to prevent to filter silk thread, and can not influence kinking speed and effect, and it is very strict to the kinking required precision to twine the wire casing that density distributes according to the filter silk.
As shown in Figure 1, the cross section of dowel 2 is a parallelogram, and the inclined plane becomes 45 ° of angles with direction of rotation, and the air drag that receives during this angle incision is minimum, can play certain air inducing effect during rotation.The plane of dowel 2 both sides prevents to filter silk thread and sticks together with dowel with respect to the inside indentation 0.5mm in plane of interior ring 5 or outer shroud 1 both sides.
The diameter of described filter silk thread is processed into by high strength, corrosion resistant metal material or macromolecule polymeric material between 0.01～0.2mm.
A kind of preparation method of efficient centrifugal filter screen disk may further comprise the steps:
The first step, will filter earlier silk thread I 3 with 1 °～4 ° interval in the annular region of circumferencial direction uniform winding between interior ring 5 and outer shroud 1, and the two ends that will filter silk thread I 3 fix, and form two-layer radial filter screen in the rack both sides; With reference to figure 1, Fig. 2.
Second step, with two pressure rings 6 bonding symmetrically or be welded in the both sides of ring 5, in the boss of pressure ring stretches in the ring to connecting; With reference to figure 3.
The 3rd step, with filter silk thread II 4 with 1 °～4 ° interval in the annular region of circumferencial direction uniform winding between pressure ring 6 and outer shroud 1, and the two ends that will filter silk thread II 4 fix, and form two-layer radial filter screen again in the rack both sides; With reference to figure 4, Fig. 5.
The 4th step as required, can repeat above-mentioned steps, on pressure ring 6, continued symmetry and added pressure ring 6, and between outer shroud 1 and the pressure ring 6 that increases newly, continue to twine and filter silk thread, formed new filter mesh layer.
Repeatedly line is all consistent with the angle of line during kinking; And each kinking is compared last kinking and is twined for wrong row, and promptly every line is positioned at once in the projection on the filter screen plane in the middle of the projection of adjacent two lines of kinking.Angle between line and the line is preferably 2 °.
During use, attaching parts such as axle sleeve can be installed outside pressure ring, connect, rotate with motor one superhigh speed with motor shaft.
Operation principle of the present invention is: oil smoke passes centrifugal filtration net dish earlier under the effect of blower fan, get into the cleaning equipment inner chamber again.Through filter screen disk the time; Material such as oil vapour, water vapour is collided, tackles and be adsorbed on the filter silk thread by four faults of rotation at a high speed row's radially ultra-fine filter silk screen in the oil smoke; Under action of centrifugal force, be thrown in the annular oil trap on the net web; Cleaned air passes gets into the cleaning equipment inner chamber and enters in the atmosphere, thereby reaches the purpose of purifying oil fume, protection environment.
With twice kinking is example, and four layers of screen pack are arranged, and compares with the structure of double-layer filtering net; Overall weight and cost amplification are all very little; But the number of plies of screen pack has increased by one times, though windage increases to some extent when operation, under square one, still is equivalent to improve about one times rotating speed.Because the kinking and the first time are that wrong row distributes for the second time; Meet second and third layer screen pack during the gap of oil smoke through the ground floor screen pack; Through the three layer filtration net time, run into the 4th layer of screen pack again, compared with the double medium filtration web frame, the net dish of this structure carries out 4 effectively interceptions to oil smoke; And very little to the draught area influence, so can significantly improve filter effect.
The high efficiency particulate air dish weares and teares very little in operation process, and the life-span is long, and cleaned air passes also is very little to the pollution of equipment inner chamber, blower fan, flabellum etc., thereby has prolonged the whole service life of equipment, has reduced client's use, maintenance cost.Can continue symmetry on this basis pressure ring, kinking are installed, the screen pack number of plies is increased to several times.
The present invention not only can be used on the oil smoke suction equipment, also can be used in other airfiltering occasion.
Claims (10)
1. efficient centrifugal filter screen disk; It comprises the rack of mainly being made up of outer shroud (1), interior ring (5) and dowel (2); Being provided with in described between ring (5) and the outer shroud (1) be that silk thread I (3) is entwined by filtering, be distributed in the double-deck radial filter screen of rack both sides symmetrically; It is characterized in that: in described ring be equipped with on (5) one or more pairs of and interior ring (5) suitable, symmetry is installed in the pressure ring (6) of interior ring (5) both sides, be provided with in the annular region between the outside of the inboard of every pair of pressure ring (6) and outer shroud (1) by filtering the double-deck radial filter screen that silk thread was entwined, was distributed in symmetrically the rack both sides.
2. efficient centrifugal filter screen disk according to claim 1 is characterized in that: described pressure ring (6) is through welding or glued fixing.
3. efficient centrifugal filter screen disk according to claim 1 is characterized in that: on ring (5) inboard keyway is arranged in described; The one side of described pressure ring (6) is manufactured with the boss that can stretch into interior ring (5), and the outer rim of boss has key.
4. efficient centrifugal filter screen disk according to claim 3 is characterized in that: there is keyway the boss inboard of described pressure ring (6).
5. efficient centrifugal filter screen disk according to claim 1 is characterized in that: the inboard of ring (5) and the outside of outer shroud (1) are covered with anti-skidding rag in described; There is anti-skidding rag the inboard of described pressure ring (6).
6. efficient centrifugal filter screen disk according to claim 1 is characterized in that: the cross section of described dowel (2) is a parallelogram, and the inclined plane acutangulates with direction of rotation.
7. according to claim 1 or 6 described efficient centrifugal filter screen disk, it is characterized in that: the plane of described dowel (2) both sides is with respect to the inside indentation in plane of interior ring (5) or outer shroud (1) both sides.
8. efficient centrifugal filter screen disk according to claim 1 is characterized in that: the diameter of described filter silk thread is processed into by high strength, corrosion resistant metal material or macromolecule polymeric material between 0.01～0.2mm.
9. the preparation method of the described efficient centrifugal filter screen disk of claim 1 is characterized in that: may further comprise the steps:
The first step; To filter silk thread I (3) interval at a certain angle earlier in the annular region of circumferencial direction uniform winding between interior ring (5) and outer shroud (1); And the two ends that will filter silk thread I (3) fix, and form two-layer radial filter screen in the rack bilateral symmetry;
Second goes on foot, and two pressure rings (6) is fixed on symmetrically the both sides of interior ring (5);
The 3rd step, will filter silk thread II (4) interval at a certain angle in the annular region of circumferencial direction uniform winding between pressure ring (6) and outer shroud (1), and the two ends that will filter silk thread II (4) fix, form two-layer radial filter screen again in the rack both sides;
The 4th step as required, can repeat above-mentioned steps, go up to continue symmetry at pressure ring (6) and added pressure ring (6), and between outer shroud (1) and the pressure ring (6) that increases newly, continue to twine and filter silk thread, formed new filter mesh layer.
10. the preparation method of efficient centrifugal filter screen disk according to claim 1 is characterized in that: repeatedly line is all consistent with the angle of line during kinking; And each kinking is compared last kinking and is twined for wrong row, and promptly every line is positioned at once in the projection on the filter screen plane in the middle of the projection of adjacent two lines of kinking.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110426680 CN102489087B (en) | 2011-12-19 | 2011-12-19 | High-efficiency centrifugal filter screen disc and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110426680 CN102489087B (en) | 2011-12-19 | 2011-12-19 | High-efficiency centrifugal filter screen disc and manufacturing method thereof |
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| CN102489087A true CN102489087A (en) | 2012-06-13 |
| CN102489087B CN102489087B (en) | 2013-09-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413887A (en) * | 2017-04-24 | 2017-12-01 | 佛山市今真电器科技有限公司 | A kind of spooling equipment and its method for winding of oil fume separator Dropbox |
| CN110160109A (en) * | 2019-06-27 | 2019-08-23 | 珠海格力电器股份有限公司 | A kind of range hood and its filter screen |
| CN112167621A (en) * | 2020-09-24 | 2021-01-05 | 芜湖凯博环保科技股份有限公司 | Bird's nest bag type gas-liquid separation turntable and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2708435C2 (en) * | 1977-02-26 | 1980-10-16 | Riensch & Held, 2000 Hamburg | |
| CN101554552A (en) * | 2009-05-15 | 2009-10-14 | 武汉创新环保工程有限公司 | Radial radiation-type rotational filter screen disc and preparation method thereof |
| CN202438222U (en) * | 2011-12-19 | 2012-09-19 | 徐州亿高环保科技有限公司 | Efficient centrifugal filter screen plate |
-
2011
- 2011-12-19 CN CN 201110426680 patent/CN102489087B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2708435C2 (en) * | 1977-02-26 | 1980-10-16 | Riensch & Held, 2000 Hamburg | |
| CN101554552A (en) * | 2009-05-15 | 2009-10-14 | 武汉创新环保工程有限公司 | Radial radiation-type rotational filter screen disc and preparation method thereof |
| CN202438222U (en) * | 2011-12-19 | 2012-09-19 | 徐州亿高环保科技有限公司 | Efficient centrifugal filter screen plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413887A (en) * | 2017-04-24 | 2017-12-01 | 佛山市今真电器科技有限公司 | A kind of spooling equipment and its method for winding of oil fume separator Dropbox |
| CN110160109A (en) * | 2019-06-27 | 2019-08-23 | 珠海格力电器股份有限公司 | A kind of range hood and its filter screen |
| CN112167621A (en) * | 2020-09-24 | 2021-01-05 | 芜湖凯博环保科技股份有限公司 | Bird's nest bag type gas-liquid separation turntable and manufacturing method thereof |
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| CN102489087B (en) | 2013-09-25 |
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Effective date of registration: 20170516 Address after: 221000 No. 15 Huaxia Road, Copper Mt. New District, Jiangsu, Xuzhou Patentee after: Gao Jun Address before: 221003 Room 608, Kyushu building, Yunlong District, Jiangsu, Xuzhou, Qingnian Road Patentee before: Xuzhou Yigao Encironmental Protection Technology Co.,Ltd. |
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