CN204313424U - A kind of wet curtain air-cooler with air-cleaning function - Google Patents

A kind of wet curtain air-cooler with air-cleaning function Download PDF

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Publication number
CN204313424U
CN204313424U CN201420548933.XU CN201420548933U CN204313424U CN 204313424 U CN204313424 U CN 204313424U CN 201420548933 U CN201420548933 U CN 201420548933U CN 204313424 U CN204313424 U CN 204313424U
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Prior art keywords
air
blower fan
wet curtain
casing
filter course
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CN201420548933.XU
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Inventor
蓝海
蒋兴宇
蓝洋
时圣涛
包昀鑫
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Beijing Nano Ace Technology Co., Ltd.
National Center for Nanosccience and Technology China
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BEIJING NAXUN TECHNOLOGY Co Ltd
National Center for Nanosccience and Technology China
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Abstract

The utility model discloses a kind of wet curtain air-cooler, comprise casing and be arranged at the wet curtain of casing internal, filter course, the first blower fan and the second blower fan, wherein the area of filter course is the 1/5-2/3 of wet Curtain area, and the wind pressure ratio of the first blower fan and the second blower fan is 2-5:1, and air quantity is than being 1:3-10.Wet curtain air-cooler of the present utility model, achieves better decreasing temperature and increasing humidity and air purification effect with lower cost.

Description

A kind of wet curtain air-cooler with air-cleaning function
Technical field
The utility model relates to a kind of wet curtain air-cooler with air-cleaning function.
Background technology
Wet curtain air-cooler is a kind of machine simultaneously possessing air cooling-down, moistening function, usually by casing be positioned at the wet curtain of casing, water circulation system, a centrifugal blower and electric elements and form, wherein said wet curtain is cellular paper wet curtain, described water circulation system is used for providing shower water for wet curtain, negative pressure is produced in casing when centrifugal blower runs, machine outer air flows through the moistening wet curtain surface of porous from the air inlet of casing, water evaporation on wet curtain absorbs heat, thus reduce through the air themperature that shell air outlet flows out, humidity increases.
Wet curtain air-cooler has good cooling, moisturization effect, but not good to the removal effect of the pellet in air.To this, existing multinomial technology is improved wet curtain air-cooler at present, these technology adopt the mode air channel in machine being arranged air filtration layer, make air successively by wet curtain, filter course, or make air successively by filter course, wet curtain, thus make wet curtain air-cooler possess air-cleaning function simultaneously.Such as, patent document CN103851703A discloses a kind of water-sprinkling type air purifyer, by filter core, housing parts and control system three part form, wherein filter core comprises primary efficient filter screen, active carbon layer, high-efficiency air filtering filter screen and is core with wet curtain water drenches system.When this water-sprinkling type air purifyer runs, centrifugal blower running makes to form negative pressure in machine, and contaminated air flows through described primary efficient filter screen, active carbon layer, high-efficiency air filtering layer and wet curtain, thus reaches the object of purification of air, decreasing temperature and increasing humidity.
In existing wet curtain air-cooler, in order to reach good air purification effect, air filtration layer occupies the whole cross section in air channel in machine, thus under the suction function provided at centrifugal blower, after air in ingress engine needs to flow through filtering layer all or almost all, air outlet could be discharged, and the usual density of filter course (such as comprising the filter course of high-efficiency air filtering) is larger, larger to the resistance of air circulation, cause the air quantity of wet curtain air-cooler less thus, wind speed can only reach about 400m usually 3/ h, indoor air circulation speed is slow, is thus only applicable to lowering the temperature and purification of air to the enclosure space of small volume, and for the cooling in large volume space and air purification effect poor.To reach good effect, just need to add Wind Volume, this blast providing larger with regard to needing the centrifugal blower of high blast, and consequent sky high cost is manufacturing enterprise is difficult to bear.
Therefore, need a kind of to there is good cooling, moisturization effect, simultaneously good air purification effect, and wet curtain air-cooler with low cost.
Utility model content
The utility model provides a kind of wet curtain air-cooler, this wet curtain air-cooler had both had cooling, the moisturization effect of traditional wet curtain air-cooler, there is again good Air purification, especially to pellet, there is good removal effect, simultaneously with low cost.
The technical solution of the utility model is as follows:
A kind of wet curtain air-cooler, comprise casing, the first side wall of described casing is provided with air inlet, second sidewall relative with described the first side wall is provided with air outlet, to be intervally arranged successively wet curtain, filter course and the first blower fan along air channel in described casing, wherein, the area of described filter course is the 1/5-2/3 of described wet Curtain area, and described first blower fan is aimed at described filter course on air channel; Described casing internal is also provided with the second blower fan, and described second blower fan staggers with described filter course on the direction of duct cross-section; The wind pressure ratio of described first blower fan and the second blower fan is 2-5:1, and air quantity is than being 1:4-10.
Described filter course, the first blower fan, the second blower fan can directly be fixed on the inwall of casing, also can by other means, such as, be undertaken auxiliary fixing by arranging the dividing plate be fixed on casing.It should be noted that, when adopting dividing plate to assist fixing, the set-up mode of dividing plate need ensure that casing internal is penetrating on air channel, and namely dividing plate obviously can not hinder air from air inlet to the flowing in air outlet direction.
In one embodiment, described dividing plate is the flat board being parallel to casing roof, on the 3rd sidewall that the two ends that dividing plate is relative are separately fixed at casing and the 4th sidewall (described 3rd sidewall and the 4th sidewall are two opposing sidewalls adjacent with the first side wall of casing).At this moment dividing plate and the first side wall and the second sidewall keep certain distance.Filter course and the first blower fan are fixed on the side of dividing plate, and the second blower fan is fixed on the opposite side of dividing plate, realize filter course thus and aim on air channel with the first blower fan, and the second blower fan staggers with filter course and the first blower fan on duct cross-section direction simultaneously.
Preferably, described filter course and the first blower fan are fixed on the top of dividing plate, and the second blower fan is fixed on the below of dividing plate.
More preferably, the 3rd sidewall, the 4th of the periphery of described filter course and described dividing plate, casing is tightly connected between sidewall and roof.Under such design makes the suction function provided at the first blower fan, air flows through filtering layer and plays effective Air purification, avoid because filter course exists resistance, partial air flows out air outlet by the gap between filter course and dividing plate or casing roof, causes reducing air purification effect.
In another embodiment, described dividing plate section is U-shaped and two ends are fixed on the roof of casing.Equally, at this moment dividing plate and the first side wall and the second sidewall keep certain distance.
Preferably, filter course and the first blower fan are fixed in the space that dividing plate and casing roof formed, and the second blower fan is fixed on the outside of dividing plate, is more preferably fixed on the below of dividing plate.Realize filter course thus to aim on air channel with the first blower fan, the second blower fan staggers with filter course and the first blower fan on duct cross-section direction simultaneously.
Preferably, be tightly connected between the roof of the periphery of described filter course and dividing plate and casing, thus ensure air to flow through filtering layer and play effective Air purification.
According to the example of described two kinds of embodiments, those skilled in the art can adopt other similar fashion to arrange the position of dividing plate and the position of filter course, the first blower fan and the second blower fan, do not describe one by one at this.
In a kind of preferred embodiment of the utility model, described filter course and the first blower fan are positioned at the 1/5-1/3 place, top of described casing, and described air outlet is positioned at the 1/5-1/3 place, top of the second sidewall of described casing.Adopt such design, the pure air being conducive to flowing through filtering layer discharges air outlet smoothly, and the air quantity of discharging is more concentrated.Meanwhile, air outlet is arranged at the top of the second sidewall, more convenient practical application.
Preferably, described first blower fan is centrifugal blower, is more preferably super-silent centrifugal blower.The usual blast of such blower fan is comparatively large, can meet the blast requirement of the utility model to the first blower fan, the noise that generation when simultaneously running is lower.
Preferably, described second blower fan is centrifugal blower or axial flow blower, is preferably Wind Volume centrifugal blower, to meet the air quantity requirement to the second blower fan.
Preferably, the wind pressure ratio of described first blower fan and described second blower fan is 3-4:1, and described first blower fan is 1:6-8 with the air quantity ratio of described second blower fan.Inventor finds through repetition test, adopt above-mentioned preferred blast and air quantity than time, the entirety cooling of wet curtain air-cooler and clean-up effect better.
Preferably, the area of described filter course is the 1/5-1/2 of described wet Curtain area, is more preferably 2/5-1/3.Find through repetition test, adopt such design, the clean-up effect of air and cooling-down effect can be made to reach good balance.
Described filter course can adopt the conventional filtering material for purifying air.
Preferably, described filter course is high-efficiency air filtering layer.High-efficiency air filtering layer can PM2.5 particle effectively in filtered air, improves air purification effect.
More preferably, described filter course also comprises active carbon layer, such as, for removing peculiar smell in air and VOC, formaldehyde.
When described filter course comprises high-efficiency air filtering layer and active carbon layer, described high-efficiency air filtering layer and active carbon layer can be the integrative-structures of close contact, also can be intervally arranged.
Preferably, described high-efficiency air filtering layer and described active carbon layer are the integrative-structure of close contact, adopt such structure can reduce resistance when air flows through.
More preferably, described high-efficiency air filtering layer is near the first blower fan, and described active carbon layer is positioned at the side away from the first blower fan of described high-efficiency air filtering layer.
In one embodiment, described wet curtain can be set to cover described air inlet, and interval between curtain and air inlet of namely wetting is very little, and such design can make Distance Shortened between the first side wall of casing and the second sidewall, thus space in saving machine, reduce the volume of wet curtain air-cooler.
In another embodiment, described wet curtain also can be set to be spaced a distance with air inlet, in this case, preferably wet curtain occupies the whole cross section in air channel substantially, directly enters casing internal to avoid the air from air inlet not flow through wet curtain and causes the cooling humidification function of wet curtain to reduce.
The water circle device of any routine in this area can be adopted for providing shower water for wet curtain.Preferably, described water circulation system comprises tank, water pump, pipeline, shower nozzle and altitude valve, described tank is positioned at the below of described wet curtain, described water pump and altitude valve are positioned at tank, described water pump is connected with one end of described pipeline, and the other end of described pipeline is connected with the shower nozzle on the top being positioned at described wet curtain.By described water circle device, the water in tank sprays above pump to wet curtain continuously, makes wet curtain surface form moisture film.
Preferably, described water circulation system also comprises the altitude valve being positioned at tank, is preferably float-ball type altitude valve.
In the utility model, described " air channel " refers to the direction from the air inlet of casing to air outlet, also can be understood as the direction from the first side wall of casing to the second sidewall.
Described " duct cross-section direction ", refers to the direction substantially vertical with described air channel.
Described " high-efficiency air filtering layer ", is called for short HEPA (High efficiency particulate airFilter), and it is that the particle removal efficiency of more than 0.3 micron is high to diameter, is a kind of medium of effective filtering contaminants.
" blast " and " air quantity " of described blower fan is the intrinsic parameter of blower fan, and those skilled in the art can select suitable blower fan according to the first blower fan and the wind pressure ratio of the second blower fan and the requirement of air quantity ratio.
In wet curtain air-cooler of the present utility model, filter course only accounts for the part of casing internal duct cross-section and not all, after the air outside casing flows through air inlet and wet curtain successively, under the first fan action that blast is larger, portion of air is forced to flow through filtering layer, discharges after purification from air outlet; Meanwhile, under the second fan action that air quantity is larger, another part air does not flow through filtering layer and directly discharges from exhaust outlet.Adopt such design, taken into account the requirement of purification of air and cooling humidification simultaneously, although single pass wets, the air of curtain air-cooler can not all be purified through filter course, but due to the effect of the second blower fan, the air quantity of wet curtain air-cooler strengthens, and cooling-down effect is remarkable, makes indoor air circulation speed accelerate simultaneously, air flows through the number of times increase of filtering layer within a certain period of time, and air is effectively purified.Such design solves the contradiction between air cooling-down and purification, is particularly useful for the air cooling-down in large volume space and purification.
In addition, design of the present utility model does not adopt expensive high blast blower fan, but by reducing the area of filter course, the Wind Volume blower fan that increase by is conventional simultaneously, by position laying cleverly, obtains better effect with lower cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of wet curtain air-cooler preferred embodiment of the utility model.
1-casing, 11-the first side wall, 12-second sidewall, 2-air inlet, 3-air outlet, 4-dividing plate, 5-wets curtain, 61-high-efficiency air filtering layer, 62-active carbon layer, 7-first blower fan, 8-second blower fan, 91-tank, 92-water pump, 93-pipeline, 94-shower nozzle, 95-float-ball type altitude valve.
Detailed description of the invention
Below by way of a kind of preferred embodiment of the present utility model, the technical solution of the utility model and effect thereof are described further.Should be appreciated that following embodiment only for illustration of content of the present utility model, be not limited to protection domain of the present utility model.The distortion carried out according to design of the present utility model is all in the scope of the utility model protection.
Embodiment 1
As shown in Figure 1, a kind of wet curtain air-cooler, comprise casing 1, the first side wall 11 of casing 1 is provided with air inlet 2, second sidewall 12 is provided with air outlet 3, is provided with wet curtain 5, filter course (being made up of the high-efficiency air filtering layer 61 of close contact and active carbon layer 62), the first blower fan 7 and the second blower fan 8 in casing 1.The inside of casing 1 is also provided with dividing plate 4, dividing plate 4 is the flat board of level, on the 3rd sidewall (not shown) that its relative two ends are separately fixed at casing and the 4th sidewall (not shown), and dividing plate 4 all keeps certain distance with the first side wall 11 and the second sidewall 12.Filter course and the first blower fan 7 are fixed on the top of dividing plate 4, and the first blower fan 7 is aimed at filter course on air channel, and the second blower fan 8 is fixed on the below of dividing plate 4, thus stagger with filter course and the first blower fan 7 on the direction of duct cross-section.3rd sidewall, the 4th of the periphery of filter course and dividing plate 4, casing 1 is tightly connected between sidewall and roof, and area is 1/3 of wet curtain 5 area.The horizontal level of filter course and air outlet 3 is suitable, and the pure air flowing through filtering layer discharges air outlet smoothly, and the air quantity of discharging is more concentrated, and more convenient practical application.First blower fan 7 is super-silent centrifugal blower, and the second blower fan is Wind Volume centrifugal blower, and the wind pressure ratio of the two is 3:1, and air quantity is than being 1:6.
Also be provided with water circle device in casing 1, comprise tank 91, water pump 92, pipeline 93, shower nozzle 94 and float-ball type altitude valve 95.Tank 91 is positioned at the below of wet curtain 5, water pump 92 and float-ball type altitude valve 95 are positioned at tank 91, water pump 92 is connected with the shower nozzle 94 being positioned at wet curtain 5 top by pipeline 93, thus make the water in tank 91 continuously pump to above wet curtain 5 and spray to wet curtain 5, make wet curtain 5 surface formed moisture film.
Below by way of concrete air cooling-down, cleaning test, the technique effect of wet curtain air-cooler of the present utility model is described.
It will be appreciated by those skilled in the art that, wet curtain air-cooler of the present utility model, when opening separately the first blower fan 7, after the air overwhelming majority in wet curtain ingress engine will be purified by filter course outside outflow machine, can the approximate simulation wet curtain air-cooler that wet curtain and filter course are combined of the prior art.When opening separately the second blower fan 8, due to the high-drag effect of filter course, air or seldom can not pass through filter course, can simulate traditional wet curtain air-cooler not comprising filter course.And open the first blower fan 7 and the second blower fan 8, then simultaneously can reflect the effect of wet curtain air-cooler of the present utility model.
At 50m 3sealing chamber in, adopt wet curtain air-cooler of the present utility model, individually open the first blower fan 7 (being designated as comparative example 1), separately unlatching the second blower fan 8 (being designated as comparative example 2) and open described two blower fans (being designated as the utility model), the PM2.5 value in the 20th minute and the 40th minute measuring cell and temperature simultaneously.Wherein, the blast of the first blower fan 7 is 300pa, and air quantity is 600m 3/ h, the blast of the second blower fan 8 is 100pa, and air quantity is 3600m 3/ h, result of the test is in table 1.
Table 1
From table 1, compared with comparative example 1, wet curtain air-cooler of the present utility model can reach better air purification effect in shorter time, can by indoor PM2.5 value by 550 μ g/m in 20 minutes 3be down to 80 μ g/m 3, and in same time, comparative example 1 has only been down to 300 μ g/m 3; Meanwhile, the wet cooling-down effect of curtain air-cooler of the utility model is better, indoor temperature can be down to 25 DEG C by 31 DEG C, and in same time, comparative example 1 only can be down to 30 DEG C in 20 minutes.
The cooling-down effect of wet curtain air-cooler of the present utility model is close with comparative example 2, indoor temperature all can be down to 25 DEG C by 31 DEG C by the two in 20 minutes, but the utility model wets, the air purification effect of curtain air-cooler is significantly better than comparative example 2, can in 20 minutes by indoor PM2.5 value by 550 μ g/m 3be down to 80 μ g/m 3, reach good level, in 40 minutes, be down to 30 μ g/m further 3, reach top grade, and comparative example 2 has only been down to 450 μ g/m in 40 minutes 3, air purification effect is poor.

Claims (10)

1. a wet curtain air-cooler, comprise casing, the first side wall of described casing is provided with air inlet, second sidewall relative with described the first side wall is provided with air outlet, be intervally arranged along air inlet to air outlet direction in described casing wet curtain, filter course and the first blower fan successively, it is characterized in that, the area of described filter course is the 1/5-2/3 of described wet Curtain area, and described first blower fan is aimed at described filter course on air channel; Described casing internal is also provided with the second blower fan, and described second blower fan staggers with described filter course on the direction of duct cross-section; The wind pressure ratio of described first blower fan and the second blower fan is (2-5): 1, and air quantity is than being 1:(4-10).
2. wet curtain air-cooler according to claim 1, it is characterized in that, described casing internal is provided with dividing plate, described dividing plate is parallel to the roof of casing and on relative two ends the 3rd sidewall that is separately fixed at casing and the 4th sidewall, described filter course and the first blower fan are fixed on the side of dividing plate, and described second blower fan is fixed on the opposite side of dividing plate.
3. wet curtain air-cooler according to claim 1, it is characterized in that, described casing internal is provided with dividing plate, the section of described dividing plate is U-shaped and two ends are fixed on the roof of casing, in the space that the roof that described filter course and the first blower fan are fixed on dividing plate and casing is formed, described second blower fan is fixed on the outside of dividing plate.
4. the wet curtain air-cooler according to any one of claim 1-3, is characterized in that, described filter course and the first blower fan are positioned at the 1/5-1/3 place, top of described casing internal, and described air outlet is positioned at the 1/5-1/3 place, top of the second sidewall of described casing.
5. wet curtain air-cooler according to claim 4, is characterized in that, the area of described filter course is the 1/5-1/2 of described wet Curtain area.
6. wet curtain air-cooler according to claim 4, is characterized in that, the wind pressure ratio of described first blower fan and described second blower fan is (3-4): 1; Described first blower fan is 1:(6-8 with the air quantity ratio of described second blower fan).
7. wet curtain air-cooler according to claim 6, it is characterized in that, described filter course comprises high-efficiency air filtering layer.
8. wet curtain air-cooler according to claim 7, it is characterized in that, described filter course also comprises active carbon layer, described active carbon layer and described high-efficiency air filtering layer close contact or be intervally arranged, and described high-efficiency air filtering layer is near the first blower fan, described active carbon layer is positioned at the side away from the first blower fan of described high-efficiency air filtering layer.
9. wet curtain air-cooler according to claim 1 and 2, is characterized in that, described wet curtain covers described air inlet.
10. wet curtain air-cooler according to claim 1 and 2, it is characterized in that, also water circulation system is provided with in described casing, described water circulation system comprises tank, water pump, pipeline, shower nozzle and altitude valve, described tank is positioned at the below of described wet curtain, described water pump and altitude valve are all positioned at tank, and described water pump is connected with one end of described pipeline, and the other end of described pipeline is connected with the shower nozzle on the top being positioned at described wet curtain.
CN201420548933.XU 2014-09-23 2014-09-23 A kind of wet curtain air-cooler with air-cleaning function Active CN204313424U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546702A (en) * 2016-01-29 2016-05-04 江苏立华牧业股份有限公司 Split and recyclable wet curtain
CN106955530A (en) * 2017-04-21 2017-07-18 华中科技大学 Cleaning filtration screen of air and preparation method based on Cu BTC sorbing materials
CN107543263A (en) * 2017-08-01 2018-01-05 查健春 A kind of environmental protection type cold fan

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105546702A (en) * 2016-01-29 2016-05-04 江苏立华牧业股份有限公司 Split and recyclable wet curtain
CN106955530A (en) * 2017-04-21 2017-07-18 华中科技大学 Cleaning filtration screen of air and preparation method based on Cu BTC sorbing materials
CN107543263A (en) * 2017-08-01 2018-01-05 查健春 A kind of environmental protection type cold fan

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Address after: 102299 Beijing city Changping District Nan Shao Zhen Xing Chang Road No. 1, Changping science and Technology Park District 1 Building 5 layer

Patentee after: Beijing Nano Ace Technology Co., Ltd.

Patentee after: State Nanometer Science Center

Address before: 102299 Beijing city Changping District Nan Shao Zhen Xing Chang Road No. 1, Changping science and Technology Park District 1 Building 5 layer

Patentee before: BEIJING NAXUN TECHNOLOGY CO., LTD.

Patentee before: State Nanometer Science Center