CN104474809B - A kind of nuclear power station air cooling system self-cleaning air filter apparatus and its implementation - Google Patents
A kind of nuclear power station air cooling system self-cleaning air filter apparatus and its implementation Download PDFInfo
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- CN104474809B CN104474809B CN201410706489.4A CN201410706489A CN104474809B CN 104474809 B CN104474809 B CN 104474809B CN 201410706489 A CN201410706489 A CN 201410706489A CN 104474809 B CN104474809 B CN 104474809B
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- cleaning
- filter screen
- metal filter
- cooling system
- foreign material
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Abstract
nullThe invention discloses a kind of nuclear power station air cooling system self-cleaning air filter apparatus and its implementation，Including guider，By guider transmission thus drive metal filter screen transmission，Metal filter screen is directed to axle drive and is become vertical direction from level after sifting out the foreign material in air in transmission process，Then scrubbed, by cleaning brush, the foreign material that metal filtration is online，Then the foreign material on cleaning brush are removed by cleaning comb，Last foreign material fall in refuse collecting case along with groove，The metal filter screen that the method that the present invention provides uses is belt drainage screen，Can shuttling movement continuously，Do not have foreign material to accumulate on filter screen，And the whole process of metal filter screen clean air is the most automatic，Clean again without dismounting，This air filter is on the premise of guaranteeing filter efficiency，Can clean filtering is online in time foreign material，So can reduce windage to greatest extent，Can guarantee that again the properly functioning of air cooling system and on-road efficiency.
Description
Technical field
The present invention relates to nuclear power station cooling technology, be specifically related to a kind of nuclear power station air cooling system self-cleaning air filter apparatus and its implementation.
Background technology
Along with the constantly construction of nuclear power station, will necessarily develop upcountry, build in areas such as meagrely-populated mountain area or desertes, owing to the water resource in these areas lacks, traditional river, sea water direct cooling mode infeasible, it is necessary to use cooling air mode.The most common air cooling technique has: uses the Direct Air-Cooled of Air-Cooling Island and uses the indirect air cooling of cooling tower, for the consideration to aspects such as nuclear power station stability, construction cost difficulty of construction, both air cooling modes all can not meet the requirement of this area's nuclear power station, this is accomplished by both air cooling modes are carried out appropriate reconstruction, both Dominant Facies are combined, forms the indirect air cooling system with modular air cooler as cooling device.
But owing to the area surroundings such as meagrely-populated mountain area or desert are severe, sandstorm often occurs, cause that air has a lot of dust foreign material, during using air cooling, these foreign material are easy to along with wind enters in air cooler, the finned tube of blocking unit formula air cooler, reduce the heat exchange efficiency of air cooler, thus reduce water-deficient area nuclear power station reliability of operation and safety.This is accomplished by introducing a kind of air filter and is cleaned the dust foreign material in air, the main filtration mode of air cooler is to use fixed drainage screen at present, the problems such as but fixed drainage screen has cleaning difficulty big and on drainage screen, foreign material too much can cause windage to increase, the air quantity of air intake vent reduces, the efficiency reduction of air cooler, therefore it is most important to need to design a kind of air filter with self-cleaning function for the modular air cooler of water-deficient area nuclear power station.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of nuclear power station air cooling system self-cleaning air filter apparatus and its implementation.
Technical scheme: for achieving the above object, a kind of nuclear power station air cooling system self-cleaning air filter apparatus of the present invention, described air filter is located at the lower section of condensing unit, described air filter includes frame, the metal filter screen that is located in frame, is located at the cleaning device of metal filter screen side, guider, one group of motor being located in frame；Described guider includes the axis of guide, is located at the guiding tooth at axis of guide two ends；Described metal filter screen is in the loop configuration closed, the positive and negative both sides of described metal filter screen are equipped with one group of uniform pilot hole of spacing, the spacing of the pilot hole between the positive and negative both sides of described metal filter screen is equal with the guiding space width on the axis of guide, spacing between the pilot hole of homonymy is identical with the diameter guiding tooth, guiding tooth embed in pilot hole and be fixedly linked with motor, described cleaning device includes rotary shaft and sets one group of cleaning brush on the rotary shaft.
Further, described metal filter screen is to use to have flexible metal material and make, and when cleaning device cleaning metal filter screen, metal filter screen can be with flexural deformation so that can be fully contacted between cleaning device and metal filter screen.
Further, described cleaning device also includes the cleaning comb, the baffle plate that are located at described cleaning brush side and is located at described baffle plate and the refuse collecting case cleaned below comb.
Further, described cleaning brush is cylindrical structural.
Further, described cleaning comb includes combing side and groove side, and the direction of rotation of described comb lateral bend direction and described cleaning brush is contrary, so can more effectively remove the foreign material on cleaning brush bristle.
Further, described cleaning brush and described cleaning comb are two, and two cleaning brush and cleaning comb are symmetrically distributed in inside and outside described metal filter screen.
Further, described condensing unit includes finned tube, is located at the fan below finned tube.
The implementation method of a kind of nuclear power station air cooling system self-cleaning air filter apparatus that the present invention provides, comprises the following steps:
1) actuating motor, described guider transmission drives described metal filter screen horizontal conveyor, and described metal filter screen sifts out the foreign material in air during horizontal conveyor；
2) described axis of guide 90-degree rotation drives described metal filter screen to rotate to vertical direction；
3) two cleaning brush start to scrub the foreign material that described metal filtration is online；
4) foreign material on two cleaning comb cleaning cleaning brush automatically, foreign material fall in the groove of described cleaning comb, finally fall in the refuse collecting case being located at below cleaning comb.
Further, the speed of described metal filter screen is not more than 5m/min.Not only ensure that the stable operation of device, and avoid wasting electric power resource.
Beneficial effect: the air filter of present invention offer and its implementation are compared with the air filter of conventional fixed-type, the metal filter screen having the advantage, that employing is belt drainage screen, can shuttling movement continuously, do not have foreign material to accumulate on filter screen, and the whole process of metal filter screen clean air is the most automatic, clean again without dismounting, this air filter is on the premise of guaranteeing filter efficiency, can clean filtering is online in time foreign material, so can reduce windage to greatest extent, can guarantee that again the properly functioning of air cooling system and on-road efficiency.
Accompanying drawing explanation
Fig. 1 is nuclear power station air cooling system self-cleaning air filter apparatus structural representation；
Fig. 2 is metal filter screen structural representation in air filter；
Fig. 3 is cleaning device structural representation in air filter；
Fig. 4 is guider structural representation in air filter；
Fig. 5 is cleaning comb and cleaning brush structural representation in air filter.
In figure: 1, frame；2, metal filter screen；3, cleaning device；4, guider；5, the axis of guide；6, tooth is guided；7, pilot hole；8, rotary shaft；9, cleaning brush；10, cleaning comb；11, baffle plate；12, refuse collecting case；
13, finned tube；14, fan.
Detailed description of the invention
With embodiment, the present invention is further described below in conjunction with the accompanying drawings.
The present invention provides the air filter of the modular air cooler of a kind of nuclear power station, as shown in Figure 1, described air filter is located at the lower section of condensing unit, described condensing unit includes finned tube 13 and is located at the fan 14 below finned tube 13, described air filter includes frame 1, it is located at the metal filter screen 2 of in frame 1, is located at the cleaning device 3 of metal filter screen 2 side, guider 4, one group of motor (motor is internal structure, therefore does not draw) of being located in frame 1；As shown in Figure 4, described guider 4 includes the axis of guide 5, is located at the guiding tooth 6 at the axis of guide 5 two ends, and described guiding tooth 6 is for being co-axially mounted, and when being embedded in described metal filter screen 2, described metal filter screen 2 can be made to move by balance and stability；nullAs shown in Figure 2，Described metal filter screen 2 is in the loop configuration closed，The described positive and negative both sides of metal filter screen 2 are equipped with one group of uniform pilot hole of spacing 7，The spacing of the pilot hole 7 between the described positive and negative both sides of metal filter screen 2 is equal with guiding tooth 6 spacing on the axis of guide 5，Spacing between the pilot hole 7 of homonymy is identical with the diameter guiding tooth 6，Guide tooth 6 embed in pilot hole 7 and be fixedly linked with motor，Such as Fig. 1、3、Shown in 5，Described cleaning device includes rotary shaft 8 and sets one group of cleaning brush 9 on rotating shaft 8，As shown in Figure 5，Described cleaning device 3 also includes the cleaning comb 10 being located at described cleaning brush 9 side、Baffle plate 11 and the refuse collecting case 12 being located at below described baffle plate and cleaning comb，Described cleaning comb 10 includes combing side and groove side，The direction of rotation of described comb lateral bend direction and described cleaning brush 9 is contrary，Described cleaning brush 9 and described cleaning comb 10 are two，Two cleaning brush and cleaning comb are symmetrically distributed in inside and outside described metal filter screen 2.
Preferably, described metal filter screen 2 is to use to have flexible metal material and make.
Preferably, described cleaning brush 9 is cylindrical structural.
In embodiments of the present invention, condensing unit is modular air cooler, modular air cooler is with the herringbone radiator in Air-Cooling Island as prototype, it is arranged into air cooler group, for cooling down the high-temperature water after having absorbed steam heat in condenser, form independent indirect air cooling system, described fan 14 is blown and is carried out heat exchange to described finned tube 13, described air filter is arranged on the air-supply of filter drum blower fan below aerator, first actuating motor, described guider 4 starts transmission, owing to the described guiding tooth 6 in described guider 4 is embedded in the pilot hole of described metal filter screen 2, thus the transmission of described guider 4 has driven the shuttling movement of described metal filter screen 2；Described metal filter screen 2 can sift out the foreign material in air during horizontal conveyor；The most described axis of guide 5 90-degree rotation, thus drive described metal filter screen 2 90-degree rotation to vertical direction, just this position is suitable for two cleaning brush and scrubs the foreign material on described metal filter screen 2, the rotation direction of outside cleaning brush is identical with the rotation direction of the described axis of guide 5, the rotation direction of inside clean brush is contrary with the rotation direction of the described axis of guide 5, thus realize two cleaning brush and can clear up the foreign material that described metal filtration is online, due to described metal filter screen 2 be have the most flexible, so when cleaning brush cleaning metal filter screen, metal filter screen can be with flexural deformation, make can be fully contacted between cleaning brush and metal filter screen, cleaning effect is better；Cleaning brush forwards cleaning comb to after having cleaned filter screen before, two cleaning comb cleanings automatically are positioned at the foreign material on its cleaning brush on one side, described cleaning comb includes combing side and groove side, the direction of rotation of described comb lateral bend direction and described cleaning brush is contrary, so can more effectively remove the foreign material on cleaning brush bristle, foreign material fall in the groove of described cleaning comb 10, finally fall in the refuse collecting case 12 being located at below cleaning comb, when cleaning brush cleaning metal filter screen and cleaning comb cleaning cleaning comb, when there being foreign material to splash to other places, the baffle plate 11 of described cleaning brush 9 side can block foreign material, last foreign material can focus on owing to action of gravity falls in described refuse collecting case 12.Last described metal filter screen 2 can enter air blast pusher side and air-supply carries out secondary filter after disposing foreign material, described metal filter screen 2 is not more than 5m/min at whole transmission process medium velocity, not only ensure that the stable operation of device, and avoids wasting electric power resource.
The above is only the preferred embodiment of the present invention; it is noted that, to those of ordinary skill in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. an implementation method for nuclear power station air cooling system self-cleaning air filter apparatus, described air filter sets
Lower section in condensing unit, it is characterised in that: described air filter includes frame (1), is located in frame (1)
Metal filter screen (2), be located at cleaning device (3) and the guider (4) of metal filter screen (2) side, be located at
One group of motor in frame (1)；Described guider (4) includes the axis of guide (5), is located at the axis of guide (5) two
The guiding tooth (6) of end；Described metal filter screen (2) is in the loop configuration closed, and described metal filter screen (2) is positive and negative
Both sides are equipped with the one group of uniform pilot hole of spacing (7), the pilot hole between described metal filter screen (2) positive and negative both sides
(7) spacing is equal with guiding tooth (6) spacing on the axis of guide (5), the spacing between the pilot hole (7) of homonymy
Identical with the diameter guiding tooth (6), guide tooth (6) and embed in pilot hole (7) and be fixedly linked with motor, institute
State cleaning device and include rotary shaft (8) and the one group of cleaning brush (9) being located in rotary shaft (8)；
Its implementation comprises the following steps:
1) actuating motor, described guider transmission drives described metal filter screen (2) horizontal conveyor, described metal
Drainage screen (2) sifts out the foreign material in air during horizontal conveyor；
2) the described axis of guide (5) 90-degree rotation drives described metal filter screen (2) to rotate to vertical direction；
3) two cleaning brush start to scrub the foreign material on described metal filter screen (2)；
4) foreign material on two cleaning comb cleaning cleaning brush automatically, foreign material fall in the groove of described cleaning comb (10),
Finally fall in the refuse collecting case (12) being located at below cleaning comb.
The implementation method of nuclear power station air cooling system self-cleaning air filter apparatus the most according to claim 1, its
It is characterised by: the transmission speed of described metal filter screen (2) is not more than 5m/min.
The implementation method of nuclear power station air cooling system self-cleaning air filter apparatus the most according to claim 1, its
It is characterised by: described metal filter screen (2) is to use to have flexible metal material and make.
The implementation method of nuclear power station air cooling system self-cleaning air filter apparatus the most according to claim 1, its
It is characterised by: described cleaning device (3) also includes being located at cleaning comb (10), the baffle plate of described cleaning brush (9) side
(11) and be located at described baffle plate with cleaning comb below refuse collecting case (12).
The implementation method of nuclear power station air cooling system self-cleaning air filter apparatus the most according to claim 4, its
It is characterised by: described cleaning brush (9) is cylindrical structural.
The implementation method of nuclear power station air cooling system self-cleaning air filter apparatus the most according to claim 4, its
It is characterised by: described cleaning comb (10) includes combing side and groove side, described comb lateral bend direction and described cleaning brush (9)
Direction of rotation contrary.
The implementation method of nuclear power station air cooling system self-cleaning air filter apparatus the most according to claim 6, its
It is characterised by: described cleaning brush (9) and described cleaning comb (10) are two, two cleaning brush and cleaning comb symmetry
It is distributed in inside and outside described metal filter screen (2).
The implementation method of nuclear power station air cooling system self-cleaning air filter apparatus the most according to claim 1, its
It is characterised by: described condensing unit includes finned tube (13), is located at the fan (14) of finned tube (13) lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410706489.4A CN104474809B (en) | 2014-12-01 | 2014-12-01 | A kind of nuclear power station air cooling system self-cleaning air filter apparatus and its implementation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410706489.4A CN104474809B (en) | 2014-12-01 | 2014-12-01 | A kind of nuclear power station air cooling system self-cleaning air filter apparatus and its implementation |
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| Publication Number | Publication Date |
|---|---|
| CN104474809A CN104474809A (en) | 2015-04-01 |
| CN104474809B true CN104474809B (en) | 2016-11-23 |
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| CN201410706489.4A Expired - Fee Related CN104474809B (en) | 2014-12-01 | 2014-12-01 | A kind of nuclear power station air cooling system self-cleaning air filter apparatus and its implementation |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205174591U (en) * | 2015-11-07 | 2016-04-20 | 深圳市前海安测信息技术有限公司 | Air cleaner from clean device |
| CN112413800B (en) * | 2020-11-23 | 2022-05-03 | 苏州安科众达净化科技股份有限公司 | Electrostatic absorption formula automatically cleaning air purification device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223598A (en) * | 1996-06-01 | 1999-07-21 | 株式会社日本脱泰库 | Exhaust gas purification apparatus |
| CN101021395A (en) * | 2007-02-14 | 2007-08-22 | 东北电力大学 | Dry type purger of large-scale air-cooled system air-cooled radiator |
| CN101422677A (en) * | 2007-10-30 | 2009-05-06 | 珠海格力电器股份有限公司 | Air conditioner filtering and cleaning device |
| JP2010032194A (en) * | 2008-06-30 | 2010-02-12 | Mitsubishi Electric Corp | Ceiling-embedded air conditioner |
| US8276650B2 (en) * | 2007-05-18 | 2012-10-02 | Caterpillar Inc. | Machine having self-cleaning cooling system and method |
| JP2014070825A (en) * | 2012-09-28 | 2014-04-21 | Daikin Ind Ltd | Indoor air conditioner |
-
2014
- 2014-12-01 CN CN201410706489.4A patent/CN104474809B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223598A (en) * | 1996-06-01 | 1999-07-21 | 株式会社日本脱泰库 | Exhaust gas purification apparatus |
| CN101021395A (en) * | 2007-02-14 | 2007-08-22 | 东北电力大学 | Dry type purger of large-scale air-cooled system air-cooled radiator |
| US8276650B2 (en) * | 2007-05-18 | 2012-10-02 | Caterpillar Inc. | Machine having self-cleaning cooling system and method |
| CN101422677A (en) * | 2007-10-30 | 2009-05-06 | 珠海格力电器股份有限公司 | Air conditioner filtering and cleaning device |
| JP2010032194A (en) * | 2008-06-30 | 2010-02-12 | Mitsubishi Electric Corp | Ceiling-embedded air conditioner |
| JP2014070825A (en) * | 2012-09-28 | 2014-04-21 | Daikin Ind Ltd | Indoor air conditioner |
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| CN104474809A (en) | 2015-04-01 |
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