CN101893390B - Sand protecting and dust removing device for cooling tower - Google Patents
Sand protecting and dust removing device for cooling tower Download PDFInfo
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- CN101893390B CN101893390B CN2010101805531A CN201010180553A CN101893390B CN 101893390 B CN101893390 B CN 101893390B CN 2010101805531 A CN2010101805531 A CN 2010101805531A CN 201010180553 A CN201010180553 A CN 201010180553A CN 101893390 B CN101893390 B CN 101893390B
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- drenching
- removing device
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Abstract
The invention relates to a sand protecting and dust removing device for a cooling tower, which comprises a spraying nozzle and a sand filtering pool, wherein the spraying nozzle is arranged at the upper side of the air inlet of the cooling tower, and the spraying direction of the spraying nozzle is interlaced with the air intake direction of the air inlet of the cooling tower; the sand filtering pool is arranged at the lower side of the cooling tower and corresponds to the position of the spraying nozzle; a water collecting pool is arranged at the inner side of the sand filtering pool, and a water discharging pool is arranged at the outer side of the sand filtering pool; and sand filtering screens are respectively arranged between the water collecting pool and the sand filtering pool and between the sand filtering pool and the water discharging pool. The sand protecting and dust removing device for the cooling tower, which is provided by the invention, has simple structure, can thoroughly protect sand and remove dust, can be used conveniently, and can not influence the load of a draught fan.
Description
Technical field
The present invention relates to a kind of cooling tower, especially relate to a kind of sand protecting and dust removing device for cooling tower.
Background technology
Cooling tower is a kind of device that carries out heat exchange through cold air pair and recirculated cooling water, in use, need constantly introduce air from the external world, carries out heat exchange in cooling tower inside.In the comparatively general area of some dust and sand weathers, sand and dust enter into system through air inlet easily, and equipment is caused bigger broken ring, influence its service life.Therefore, air inlet is prevented dust to handle become particularly important.In order to address this problem, people often accomplish through at air inlet sand filtering net being set, and are that the Chinese patent of CN201266022 discloses a kind of sand protecting and dust removing device for cooling tower like publication number.Device comprises sand prevention device and the spoil disposal pond through transforming that is arranged on cooling tower air inlet place; The sand prevention device is to be made up of through the mode that interval arranged side by side is provided with a plurality of sediment trapping sheets with corrugated plating shape; Being configured to of spoil disposal pond: at the bottom of the pond, pond, be furnished with Ji Nigou crisscrossly; In Ji Nigou, be furnished with discharge pipeline along channel direction; Discharge pipeline is provided with the spoil disposal arm that depth is extended, and the spoil disposal arm extends to the outer silt pond of tower, and the spoil disposal arm is implemented its switching by by-pass valve control.This device has certain help for the sand prevention work of air inlet; But its inhibition to air intake is bigger; Improved the power of induced draught system; And it in actual use, also can only the sand of some larger particles be filtered, and the dust less for some particles but is difficult to reach filtration.Publication number is that the Chinese patent of CN200965445 discloses a kind of spray cooling tower atomizer, comprises nozzle, divides air cavity and atomization cavity in the nozzle; Be the aqueous vapor cut point between two cavitys, nozzle one end links to each other with air inlet pipe, and air inlet pipe connects air compressor machine; The water inlet pipe that links to each other with water pump inserts the water cavity pipe, and the water cavity pipe passes air inlet pipe and is inserted in the air cavity in the nozzle, and the side of nozzle has the water smoke pod apertures; The bottom of nozzle is provided with adjusting rod, and moving up and down of adjusting rod can make the atomization cavity Volume Changes, when the vapour pressure force rate changes; Change the aqueous vapor atomizing point in the atomization cavity through adjusting, thereby guarantee atomizing effect adjusting rod.This spray cooling tower atomizer can guarantee the effective control of air-flow to current, realizes effective atomizing of aqueous vapor, makes fully mixing of high-temperature smoke and water smoke, has improved the cooling dust removing effects of high-temperature smoke greatly.The mode of passing through atomized steam that this technical scheme provides is in high-temperature smoke, has played good fruit, and still, because the steam of atomizing makes dust suspend easily, and the wind-force of air-vent is bigger, still can dust be introduced in the equipment.Therefore prevent dust and remove sand in this technical scheme air-vent place of being not suitable for referring to cooling tower.
Summary of the invention
The present invention mainly is that the effect of solution existing in prior technology sand protecting and dust removing device for cooling tower is bad; Disposal ability to some less dust is very poor; And the sand protecting and dust removing device that has also will increase the load of blower unit; Cause on the one hand the waste of energy, reduced the technical problems such as service life that are provided with on the other hand, provide a kind of simple in structure, sand prevention and dedusting is thorough, easy to use, the sand protecting and dust removing device for cooling tower that do not influence the load of blower unit.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals: a kind of sand protecting and dust removing device for cooling tower is characterized in that this sand protecting and dust removing device comprises the shower nozzle of drenching with rain; This shower nozzle of drenching with rain is located at the air inlet upside of cooling tower; The air intake direction of its drench with rain direction and cooling tower air inlet is staggered, and this sand protecting and dust removing device also comprises is located at the cooling tower downside, the filter sand pond corresponding with the nozzle position of drenching with rain; The inboard in filter sand pond is provided with collecting-tank; The outside in filter sand pond is provided with discharge bay, between collecting-tank and the filter sand pond, is equipped with sand filtering net between filter sand pond and the discharge bay.When cooling tower carried out work, the shower nozzle of drenching with rain was constantly sprayed water on the air intake path of air inlet, formed the district of drenching with rain that an air intake must pass through; The air that contains sand and dust is drenched when distinguishing through drenching with rain, and its weight is bigger; Also receive the impact from the downward active force of water droplet simultaneously, the overwhelming majority can drop in the filter sand pond of its downside, and air then can be smoothly through the district of drenching with rain; Get into the air intake one's intention as revealed in what one says, reach fabulous filter effect.
As preferably, the described shower nozzle of drenching with rain is responsible for the hot water water inlet of cooling tower and is connected.The water that the district's use water inlet of drenching with rain is responsible for makes it not need the independent water source that is provided with, and makes structure more simple, practical, convenient.
As preferably, the described shower nozzle of drenching with rain slopes inwardly, and is 10-15 ° of angle with vertical direction.The used water of shower nozzle is that the water water inlet of cooling tower is responsible for and is introduced owing to drench with rain, and its temperature is higher, when its direction suitably tilts correct air inlet, can play the effect of freezing of preventing to air inlet.
As preferably, the pipeline between the water inlet of the hot water of described drench with rain shower nozzle and cooling tower is responsible for is provided with force (forcing) pump.More when airborne water dust, when difficulty in filtration is big, can start force (forcing) pump, increase the impulsive force of water droplet, reach the effect of better sand prevention and dedusting.
As preferably, each air inlet of described cooling tower is equipped with several shower nozzles of drenching with rain that shifts to install mutually.The shower nozzle of drenching with rain of dislocation produces the current of dislocation mutually when water spray, make the air of band sand and dust between each current, produce certain curved path, and in this process, the kinetic energy of sand and dust descends, and is not easy to arrive air inlet.
As preferably, the described shower nozzle of drenching with rain is provided with two to four rows, 5 to 10 of every rows, and the nozzle position of drenching with rain between adjacent two rows staggers each other.This structure makes that into air produces the road warp of similar S type in the process through the district of drenching with rain, and in this process, the kinetic energy of sand and dust descends, and reaches the purpose of removing sand and dust.
As preferably, the concentric annular that the described shower nozzle of drenching with rain is by the 3-5 layer distributes.The current of this structure on same direction are more intensive, have the effect that better dedusting is removed sand.
As preferably, described sand filtering net is made up of frame body and screen pack, and this screen pack is provided with stainless steel stratum reticulare and sponge stratum reticulare.The stainless steel stratum reticulare can filter oarse-grained sand, and the sponge stratum reticulare can filter short grained dust, and simultaneously, the stainless steel stratum reticulare also has supporting role to the sponge stratum reticulare.This sand filtering net is arranged between collecting-tank and the filter sand pond, and the filter sand pond is also between the discharge bay, and can take out cleaning in use for some time, and operation is very easy.
The beneficial effect that brings of the present invention is; The effect that solves the existing in prior technology sand protecting and dust removing device for cooling tower is bad; Disposal ability to some less dust is very poor; And the sand protecting and dust removing device that has also will increase the load of blower unit, causes the waste of energy on the one hand, reduced the technical problems such as service life that are provided with on the other hand; Realized a kind of simple in structure, sand prevention and dedusting is thorough, easy to use, the load that do not influence blower unit, has the sand protecting and dust removing device for cooling tower of deicing, defrosting effect.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present invention;
Accompanying drawing 2 be of the present invention a kind of attach look;
Accompanying drawing 3 is scheme of installations of shower nozzle of the present invention;
The Pareto diagram of the shower nozzle of drenching with rain of accompanying drawing 4 embodiment 1;
The Pareto diagram of the shower nozzle of drenching with rain of accompanying drawing 5 embodiment 2.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment 1:
Like Fig. 1, shown in Figure 2, the present invention is a kind of sand protecting and dust removing device for cooling tower, and this sand protecting and dust removing device comprises with the hot water water inlet of cooling tower 1 is responsible for the shower nozzle 2 of drenching with rain that is connected; As shown in Figure 4; This shower nozzle of drenching with rain is provided with 3 rows, 8 of every rows, and the nozzle position of drenching with rain between adjacent two rows staggers each other.Pipeline between the hot water water inlet of shower nozzle and cooling tower of drenching with rain is responsible for is provided with force (forcing) pump; As shown in Figure 3, this shower nozzle of drenching with rain is located at air inlet 3 upsides of cooling tower, and the air intake direction of its drench with rain direction and cooling tower air inlet is staggered; And slope inwardly, be 15 ° of angles with vertical direction.This sand protecting and dust removing device also comprises is located at the cooling tower downside; The filter sand pond 5 corresponding with the nozzle position of drenching with rain; The inboard in filter sand pond is provided with collecting-tank 4, and the outside in filter sand pond is provided with discharge bay 7, between collecting-tank and the filter sand pond; The filter sand pond also is equipped with the sand filtering net 7 that is made up of frame body and screen pack between the discharge bay, screen pack is provided with stainless steel stratum reticulare and two-layer sponge stratum reticulare.
When cooling tower carried out work, the shower nozzle of drenching with rain was constantly sprayed water on the air intake path of air inlet, formed the district of drenching with rain that an air intake must pass through; The air that contains sand and dust is drenched when distinguishing through drenching with rain, and its weight is bigger; Also receive the impact from the downward active force of water droplet simultaneously, the overwhelming majority can drop in the filter sand pond of its downside, and air then can be smoothly through the district of drenching with rain; Get into the air intake one's intention as revealed in what one says, reach fabulous filter effect.The used water of shower nozzle is that the water water inlet of cooling tower is responsible for and is introduced owing to drench with rain, and its temperature is higher, when its direction suitably tilts correct air inlet, can play the effect of freezing of preventing to air inlet.
Embodiment 2:
The present invention is a kind of sand protecting and dust removing device for cooling tower; This sand protecting and dust removing device comprises with the hot water water inlet of cooling tower 1 is responsible for the shower nozzle 2 of drenching with rain that is connected, and as shown in Figure 5, this shower nozzle of drenching with rain is provided with from outside to inside totally three rings; The drench with rain density of shower nozzle of every ring is approaching, and number reduces successively.Pipeline between the hot water water inlet of shower nozzle and cooling tower of drenching with rain is responsible for is provided with force (forcing) pump; As shown in Figure 3, this shower nozzle of drenching with rain is located at air inlet 3 upsides of cooling tower, and the air intake direction of its drench with rain direction and cooling tower air inlet is staggered; And slope inwardly, be 15 ° of angles with vertical direction.This sand protecting and dust removing device also comprises is located at the cooling tower downside; The filter sand pond 5 corresponding with the nozzle position of drenching with rain; The inboard in filter sand pond is provided with collecting-tank 4, and the outside in filter sand pond is provided with discharge bay 6, between collecting-tank and the filter sand pond; The filter sand pond also is equipped with the sand filtering net 7 that is made up of frame body and screen pack between the discharge bay, screen pack is provided with stainless steel stratum reticulare and two-layer sponge stratum reticulare.
So that the present invention has is simple in structure, sand prevention and dedusting is thorough, easy to use, the load that do not influence blower unit, has characteristics such as deicing, defrosting effect.
Claims (7)
1. a sand protecting and dust removing device for cooling tower is characterized in that, this sand protecting and dust removing device comprises the shower nozzle of drenching with rain (2); This shower nozzle of drenching with rain is located at air inlet (3) upside of cooling tower (1), and the air intake direction of its drench with rain direction and cooling tower air inlet is staggered, and this sand protecting and dust removing device also comprises is located at the cooling tower downside; The filter sand pond (5) corresponding with the nozzle position of drenching with rain; The inboard in filter sand pond is provided with collecting-tank (4), and the outside in filter sand pond is provided with discharge bay (6), between collecting-tank and the filter sand pond; Be equipped with sand filtering net (7) between filter sand pond and the discharge bay; The described shower nozzle of drenching with rain is responsible for the hot water water inlet of cooling tower and is connected, and the described shower nozzle of drenching with rain slopes inwardly, and is 10-15 ° of angle with vertical direction.
2. sand protecting and dust removing device for cooling tower according to claim 1, the pipeline between the hot water water inlet that it is characterized in that described drench with rain shower nozzle and cooling tower is responsible for is provided with force (forcing) pump.
3. sand protecting and dust removing device for cooling tower according to claim 1 and 2 is characterized in that each air inlet of described cooling tower is equipped with the shower nozzle of drenching with rain that several shift to install mutually.
4. sand protecting and dust removing device for cooling tower according to claim 3 is characterized in that the described shower nozzle of drenching with rain is provided with two to four rows, five to ten of every rows, and the nozzle position of drenching with rain between adjacent two rows staggers each other.
5. sand protecting and dust removing device for cooling tower according to claim 3 is characterized in that the concentric annular that the described shower nozzle of drenching with rain is by the 3-5 layer distributes.
6. sand protecting and dust removing device for cooling tower according to claim 1 and 2 is characterized in that described sand filtering net is made up of frame body and screen pack, and this screen pack is provided with stainless steel stratum reticulare and sponge stratum reticulare.
7. sand protecting and dust removing device for cooling tower according to claim 3 is characterized in that described sand filtering net is made up of frame body and screen pack, and this screen pack is provided with stainless steel stratum reticulare and sponge stratum reticulare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101805531A CN101893390B (en) | 2010-05-24 | 2010-05-24 | Sand protecting and dust removing device for cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101805531A CN101893390B (en) | 2010-05-24 | 2010-05-24 | Sand protecting and dust removing device for cooling tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101893390A CN101893390A (en) | 2010-11-24 |
| CN101893390B true CN101893390B (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101805531A Expired - Fee Related CN101893390B (en) | 2010-05-24 | 2010-05-24 | Sand protecting and dust removing device for cooling tower |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821936A (en) * | 2012-11-17 | 2014-05-28 | 江苏华阳重工股份有限公司 | Sediment control device assorted with ship water-lubrication sealing device |
| CN104406420B (en) * | 2014-12-12 | 2017-10-27 | 广东金贝节能科技有限公司 | A kind of automatic dust removing open cooling tower |
| CN106052479A (en) * | 2016-07-05 | 2016-10-26 | 中国石油大学(北京) | Internally-arranged scaling-prevention system of surface evaporation-type air cooler |
| CN106091801A (en) * | 2016-07-05 | 2016-11-09 | 中国石油大学(北京) | A kind of good antiscale property system of external remover for surface evaporation type air cooling |
| CN106052478A (en) * | 2016-07-05 | 2016-10-26 | 中国石油大学(北京) | New structure capable of preventing heat transfer tube of surface evaporation-type air cooler from scaling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881895A (en) * | 1972-12-26 | 1975-05-06 | Entoleter | Multistage vortical mass contact between media |
| CN1412126A (en) * | 2001-10-09 | 2003-04-23 | 刘万全 | Water purifying and descaling jacket for cooling tower |
| CN2569080Y (en) * | 2002-09-23 | 2003-08-27 | 许锦郎 | Pollution-proof protector of cooling water tower |
| CN101344361A (en) * | 2008-08-18 | 2009-01-14 | 中国成达工程公司 | Sand prevention and dedusting technology for cooling column |
-
2010
- 2010-05-24 CN CN2010101805531A patent/CN101893390B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881895A (en) * | 1972-12-26 | 1975-05-06 | Entoleter | Multistage vortical mass contact between media |
| CN1412126A (en) * | 2001-10-09 | 2003-04-23 | 刘万全 | Water purifying and descaling jacket for cooling tower |
| CN2569080Y (en) * | 2002-09-23 | 2003-08-27 | 许锦郎 | Pollution-proof protector of cooling water tower |
| CN101344361A (en) * | 2008-08-18 | 2009-01-14 | 中国成达工程公司 | Sand prevention and dedusting technology for cooling column |
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| CN101893390A (en) | 2010-11-24 |
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