CN109141056A - The protective device and cooling tower of cooling tower air inlet - Google Patents
The protective device and cooling tower of cooling tower air inlet Download PDFInfo
- Publication number
- CN109141056A CN109141056A CN201810961991.8A CN201810961991A CN109141056A CN 109141056 A CN109141056 A CN 109141056A CN 201810961991 A CN201810961991 A CN 201810961991A CN 109141056 A CN109141056 A CN 109141056A
- Authority
- CN
- China
- Prior art keywords
- cooling tower
- protective device
- air inlet
- frame
- bottom frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The embodiment of the present application discloses the protective device and cooling tower of a kind of cooling tower air inlet.One specific embodiment of protective device includes: frame, and the air inlet grid size of bottom frame size and cooling tower is adapted, and forms space framework by the bottom frame predetermined size that extends outwardly；Wire side is configured to filter floating material, is installed on side and top surface in space framework in addition to the corresponding bottom surface of bottom frame.The equipment can solve in spring cooling tower operational process, and because of system jams caused by sucking a large amount of floccules, exchange heat bad and water pollution situation, avoids the equipment such as filter, plate heat exchanger and frequently unpicks and washes.In some embodiments, it can be cleaned during system runs without interruption, not influence system redundancy；Screen window cleaning is simple, and it is convenient to dismount, and cooling tower cleaning efficiency is greatly improved, ensure that the stable operation of system high efficiency.
Description
Technical field
This application involves field of computer technology, and in particular to technical field of the computer network more particularly to cooling tower into
The protective device and cooling tower in air port.
Background technique
For data center, the ambient temperature and humidity in spring be all it is relatively suitable, be an ideal season.But no
That appearance is ignored, very unfavorable to data center's operation is the light cotton-shaped drifts such as a large amount of catkin, poplar wadding, with air
Flowing and it is disorderly.In the case where the fan high-speed cruising of cooling tower, a large amount of cotton-shaped drift enters cooling tower by grid,
As cooling water recycles in refrigeration system, more attachments and cooling water filter, plate heat exchanger, cold, pipeline cause to filter
The blocking of device, pipeline, plate heat exchanger, the dirty of cold are blocked up.These cotton-shaped floating materials constrain the flow of cooling water system significantly,
Heat exchange efficiency is reduced, the power consumption of refrigeration system is increased, and polluted water quality, is also acid test to equipment operation.
Currently, mostly using following measures to guarantee that computer room cooling supply is normal in spring: by increasing cooling pump power, adding
Big cooling water flow guarantees cooling supply；Frequent cleaning filter, stifled cleaning in time dirty to filter；And in cooling tower grid
The outer interim gauze of installing, prevents willow catkins flying in the air from entering.
However, by the cooling pump power of increase, increasing cooling water flow to guarantee that this measure of cooling supply is palliative,
The problem of cooling heat exchange difference is alleviated to a certain extent, but cotton-shaped drift is still constantly accumulated, can make dirty to block up more serious, power consumption
While increase, to equipment and acid test.Frequent cleaning this measure of filter, needs cleaning weekly for several times
Stifled cleaning in time dirty to filter, but cotton-shaped floating material not can avoid the pollution of water quality then, and workload is huge, plate-type heat-exchange
The dismounting of the equipment such as device, cold, cleaning are difficult, and often disassembly is unfavorable to equipment.And during cleaning, system, which is in, shuts down shape
State, redundancy are deteriorated.And this measure of interim gauze is installed outside cooling tower grid, the dismounting of gauze is time-consuming and laborious, can also disappear
The binding apparatus such as a large amount of bands is consumed, and inevitably makes gauze damaged in process of binding, is limited to disposable more.
Summary of the invention
The protective device and cooling tower of the embodiment of the present application proposition cooling tower air inlet.
In a first aspect, the embodiment of the present application provides a kind of protective device of cooling tower air inlet, comprising: frame, bottom frame
Size and the air inlet grid size of cooling tower are adapted, and form space framework by the bottom frame predetermined size that extends outwardly；Wire side,
It is configured to filter floating material, is installed on side and top surface in space framework in addition to the corresponding bottom surface of bottom frame.
In some embodiments, protective device further include: air pressure difference switch, pressure pipe are respectively arranged at the inside and outside of wire side
Side is configured in response to the pressure difference inside and outside wire side and is more than or equal to predetermined threshold, and triggering air pressure difference closes the switch, and transmits and close
Signal is closed to direct data control module；Direct data control module is configured in response to closure signal, exports alarm signal
Number, control solenoid valve open, closure signal is transmitted to control system；High pressure water spray system, is configured in response to electromagnetism
Valve is opened, and sprays high pressure water to wire side.
In some embodiments, air pressure difference switch is further configured to: being less than in response to the pressure difference inside and outside wire side pre-
Determine threshold value, triggering air pressure difference switch contact disconnects, and transmits cut-off signal to direct data control module；Direct data control
Module is further configured to: in response to cut-off signal, being released alarm signal, control solenoid closure, be will be switched off signal transmission
To control system；High pressure water spray system is further configured to: in response to solenoid closure, stopping spraying high pressure to wire side
Water.
In some embodiments, protective device further include: rubber washer is set to the bottom frame contact air inlet grid of frame
Surface.
In some embodiments, the air inlet grid size of frame, bottom frame size and cooling tower is adapted, and from bottom frame to
It is outer extend predetermined size and form the air inlet grid size that space framework includes: bottom frame size and cooling tower be adapted, and the bottom of by
Frame direction extends perpendicularly outward predetermined size and forms space framework.
In some embodiments, wire side is crimped with frame.
In some embodiments, the material of frame and/or wire side is identical as the material of cooling tower.
In some embodiments, handle is installed on frame.
Second aspect, the embodiment of the present application provide a kind of cooling tower, including air inlet grid and are installed in air inlet
On the outside of grid as above-mentioned any one protective device.
In some embodiments, the bottom frame of protective device is installed in mode and air inlet grid peace on the outside of air inlet grid
Mode loaded on cooling tower is identical.
The protective device and cooling tower of a kind of cooling tower air inlet provided by the embodiments of the present application, are provided with frame and net
Face.The bottom frame size of frame and the air inlet grid size of cooling tower are adapted, and are formed by the bottom frame predetermined size that extends outwardly
Space framework；Wire side is configured to filter floating material, be installed on side in space framework in addition to the corresponding bottom surface of bottom frame and
Top surface.Based on these settings, compared with problems of the prior art, which can effectively solve spring cooling tower
In operational process, because of system jams caused by sucking a large amount of floccules, exchange heat bad and water pollution situation, avoids filtering
The equipment such as device, plate heat exchanger are frequently unpicked and washed.In some embodiments, it can be carried out during system runs without interruption clear
It is clean, do not influence system redundancy；Screen window cleaning is simple, and it is convenient to dismount, and cooling tower cleaning efficiency is greatly improved, and ensure that and is
The operation of system efficient stable.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is facing according to one embodiment of the protective device of cooling tower air inlet of the embodiment of the present application a kind of
Figure；
Fig. 2 is the three-dimensional structure diagram of the protective device of one of Fig. 1 cooling tower air inlet；
Fig. 3 is the side view of the protective device of one of Fig. 1 cooling tower air inlet；
Fig. 4 is the example according to a kind of another embodiment of the protective device of cooling tower air inlet of the embodiment of the present application
Property structure chart；
Fig. 5 is according to the exemplary of the cooling tower of the protective device for installing cooling tower air inlet of the embodiment of the present application
Structure chart.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to related invention is illustrated only in attached drawing.
Fig. 1-Fig. 3 is please referred to, Fig. 1-Fig. 3 respectively illustrates a kind of protection dress of cooling tower air inlet of the embodiment of the present application
The front view, three-dimensional structure diagram and side view of the one embodiment set.
As shown in Figure 1-Figure 3, the protective device of cooling tower air inlet may include: frame 110,111 size of bottom frame with it is cold
But the air inlet grid size of tower is adapted, and forms space framework 112 by the bottom frame predetermined size that extends outwardly；Wire side 120, quilt
It is configured to filtering floating material, is installed on side 121 and top surface 122 in space framework in addition to the corresponding bottom surface of bottom frame.
In the present embodiment, the protective device for cooling tower air inlet, using modularized design.It can individually dismantle, pacify
It fills convenient, easy to clean, easily stored, is the screen window that it can be used repeatedly.The screen window can filter all kinds of floccules, from basic
On avoid floccule from entering cooling tower.
The protective device, is made of frame and wire side, and the size of every piece of protective device is consistent with cooling tower grid framework,
The corresponding installing outside grid when use, can influence intake to avoid frame structure.Each protective device can it is independently installed with tear open
It unloads, for the screen window dirty plugging that need to be cleaned in operation, can be replaced with the spare screen window of use or directly be cleaned one by one.Compared to cleaning
Cooling tower gauze, working efficiency can be improved 80%.
It, can be by screen window in view of the installation and directly influence of the installing gauze to smaller cooling tower intake of protective device
Middle gauze effective area increases.For example, extended outwardly the side frame for the space framework that predetermined size is formed by bottom frame, it can be such as Fig. 2
With shown in Fig. 3, frame can be extended perpendicularly outward predetermined size by bottom frame direction and form space framework, and side frame is perpendicular to bottom frame at this time
Extend outwardly (situation as shown in Figure 2), can also form certain angle with bottom frame with side frame and extend outwardly.
Here predetermined size can be size determined by technical staff's intake as needed.Specifically, by yarn
Net is changed to three-dimensional cloth by horizontal layout and postpones, as illustrated in fig. 2, it is assumed that outwardly extending predetermined size is H, identical mounting means
Under, screen window incoming air area can be expanded as S=B × L+2 × B × H+2 × L × H, cooling tower is made to exchange heat by original S=B × L
Efficiency further increases.
The material of frame and wire side in protective device can be a kind of metal and another kind or several metals or nonmetallic
By mixed melting, the solid product with metalline that is obtained after cooled and solidified.For example, the material of frame and wire side can be with
For the alloy with cooling tower same material.
The wire side of protective device is installed on the mode of frame, can be using the peace in the prior art or the technology of future development
Dress mode, the application are not construed as limiting this.For example, wire side can be crimped with frame.
Here crimping, refers to Pressure Welding.The method for applying certain pressure when with welding and completing welding, Pressure Welding are also known as
Pressure welding.There are two types of forms for this kind of welding, first is that mecystasis or local melting state will be heated to by weldering Metal contacts, so
Apply certain pressure afterwards, so as to firm welding point is bound to each other to form between metallic atom, such as smithwelding, Contact welding, friction
Weldering, gas pressure welding etc. are exactly such pressure soldering method.Second is that only applying foot on by weldering metal contact surface without heating
Enough big pressure, by means of plastic deformation caused by pressure, so that it is close to each other between atom and obtain firm extrusion connector,
The method of this Pressure Welding has cold welding, explosion weldering etc..
In some optional implementations of the present embodiment, protective device, Ke Yi are dismounted in order to facilitate construction personnel
Mounting knob on the frame of protective device.
In some optional implementations of the present embodiment, protective device can also include rubber washer, be set to frame
The surface of the bottom frame contact air inlet grid of frame.As shown in figure 3, screen window and cooling tower grid contact side are equipped with rubber washer 113.
Herein, by the way that rubber washer is arranged, the leakproofness between the frame of protective device and the frame of air inlet grid can be enhanced
Can, in order to avoid cotton-shaped floating material is entered within protective device by gap, and then block air inlet grid.
The mounting means of protective device can be determined according to the resemblance of protective device and the feature of cooling tower.Example
Such as, above-mentioned protective device can be embedded type mesh window, and upper and lower side is thin alloy sheets, highly consistent with frame trough, lower end insertion
In frame trough, top is fixed by the fixed bracket of grid.It is complete that above-mentioned protective device can also individually install bracket outside cooling tower
At the fixation of protective device.
The protective device of cooling tower air inlet in the above embodiments of the present application, by be arranged frame bottom frame size with it is cold
But the air inlet grid size of tower is adapted, and forms space framework by the bottom frame direction predetermined size that extends outwardly；Setting peace again
Wire side loaded on side and top surface in space framework in addition to the corresponding bottom surface of bottom frame filters floating material, can be to avoid cooling
Tower air inlet is because a large amount of floccules of sucking result in blockage, exchange heat bad and water pollution, and screen window cleaning is simple, and dismounting is just
Cooling tower cleaning efficiency is greatly improved in victory, avoids the equipment such as filter, plate heat exchanger and frequently unpicks and washes, and guarantees
System high efficiency stable operation.
Another reality of the protective device of the cooling tower air inlet of the embodiment of the present application is shown with further reference to Fig. 4, Fig. 4
Apply the exemplary block diagram of example.
As shown in figure 4, the protective device of cooling tower air inlet may include: frame 110, bottom frame size and cooling tower into
Air port grid size is adapted, and forms space framework by the bottom frame predetermined size that extends outwardly；Wire side 120 is configured to filter
Floating material is installed on side and top surface in space framework in addition to the corresponding bottom surface of bottom frame 111；Air pressure difference switch 130, takes
Pressure pipe 131 is respectively arranged at the interior outside of wire side 120, is configured in response to the pressure difference inside and outside wire side and is more than or equal to predetermined threshold
Value, triggering air pressure difference switch 130 is closed, and transmits closure signal to direct data control module 140；Direct data control mould
Block 140, is configured in response to closure signal, and output alarm signal 141, control solenoid valve 142 are opened, closure signal transmitted
To control system；High pressure water spray system 150, is configured in response to solenoid valve opening, sprays high pressure water to wire side.
In the present embodiment, air pressure difference switch is a kind of detecting element, can be applied to the inside and outside of purification air-conditioning filter screen
Side, to measure the air pressure difference in outside in wire side.Herein, the important function of air pressure difference switch is: utilizing its on-off energy
Power controls the on-off of high pressure water spray system, in the hope of guaranteeing that equipment can control high pressure water jets in the case where air draft is unsmooth in time
Leaching system starts to dredge strainer, it is ensured that pressure difference is located in suitable threshold range before and after strainer.
Specifically, the pressure pipe of the inside and outside installing pressure difference switch of the wire side of protective device, at the same on the outside of cooling tower arrangement by
The high pressure water spray system of solenoid valve M control.When protective device is dirty blocks up serious, the inside and outside differential pressure that pressure pipe measures, which increases to, to be set
Definite value, triggering pressure difference switch movement, and signal is transmitted to DDC (Direct Digital Control, direct data control) mould
Block.Data signal analysis, processing are carried out by DDC module, signal is spread out of to control system, notifies operation maintenance personnel；It controls simultaneously
Indicator light lights, and issues bright alarm, and dirty block up of prompting and filtering net is transfinited；It is opened by the solenoid valve M of DDC control, high pressure water spray
System cleans protective device.
In some optional implementations of the present embodiment, air pressure difference switch is further configured to: in response to wire side
Inside and outside pressure difference is less than predetermined threshold, and triggering air pressure difference switch contact disconnects, and transmits cut-off signal to direct data control
Module；Direct data control module is further configured to: in response to cut-off signal, releasing alarm signal, control solenoid valve closes
It closes, will be switched off signal and be transmitted to control system；High pressure water spray system is further configured to: in response to solenoid closure, being stopped
Only high pressure water is sprayed to wire side.
In this implementation, after protective device is clean, pressure difference switch contact is disconnected, the indicator light controlled by DDC
Extinguish, solenoid valve M is automatically closed, while control system blocks up alarm clearing about cooling tower filter screen dirtying.
It should be appreciated that the technical characteristic of frame and wire side shown in the present embodiment, with frame shown in above-mentioned Fig. 1-Fig. 3
Frame is identical with the technical characteristic of wire side, and details are not described herein.
The protective device of cooling tower air inlet in the above embodiments of the present application is entered the wind with Fig. 1 to cooling tower shown in Fig. 3
Mouthful protective device compare, on the basis of the protective device described in Fig. 1 to Fig. 3, be provided with air pressure difference switch, Direct Digital
Control module and high pressure water spray system, so as to during system runs without interruption based on the air pressure inside and outside wire side
It is poor that system clean protective device is sprayed using high pressure water automatically, to improve the efficiency of cleaning and protecting device, and do not influence cold
But the redundancy of Tower System.
The exemplary structure of one embodiment of the cooling tower of the embodiment of the present application is shown with further reference to Fig. 5, Fig. 5
Figure.
As shown in figure 5, cooling tower include air inlet grid (in such as Fig. 5 also not and installation protective device air inlet grid
And the protective device as described in above-described embodiment that is installed on the outside of air inlet grid 101).The protection of cooling tower air inlet fills
Setting may include: frame 110, and the air inlet grid size of bottom frame size and cooling tower is adapted, and it is pre- to be extended outwardly by bottom frame
Scale cun forms space framework；Wire side 120 is configured to filter floating material, is installed in space framework except the corresponding bottom of bottom frame
Side and top surface except face.
In the present embodiment, the air inlet grid of cooling tower can be carried out using protective device shown in above-described embodiment
Protection.The preceding air inlet grid with after protection of protection is shown in order to clearer, illustratively shows cooling tower section in Fig. 5
The situation of air inlet grid setting protective device.
In some optional implementations of the present embodiment, the bottom frame of protective device is installed in the side on the outside of air inlet grid
Formula is identical as the mode that air inlet grid is installed on cooling tower.By using identical mounting means, protective device can be improved
Compatibility, without additional construction.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from foregoing invention design, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of protective device of cooling tower air inlet, comprising:
The air inlet grid size of frame, bottom frame size and cooling tower is adapted, and is formed by the bottom frame predetermined size that extends outwardly
Space framework；
Wire side is configured to filter floating material, be installed on side in the space framework in addition to the corresponding bottom surface of bottom frame and
Top surface.
2. protective device according to claim 1, wherein the protective device further include:
Air pressure difference switch, pressure pipe are respectively arranged at the interior outside of the wire side, are configured in response to inside and outside the wire side
Pressure difference be more than or equal to predetermined threshold, triggering air pressure difference closes the switch, and transmits closure signal to direct data control module；
Direct data control module is configured in response to the closure signal, and output alarm signal, control solenoid valve are opened,
The closure signal is transmitted to control system；
High pressure water spray system, is configured in response to the solenoid valve and opens, and sprays high pressure water to the wire side.
3. protective device according to claim 2, wherein the air pressure difference switch is further configured to: in response to
Pressure difference inside and outside the wire side is less than the predetermined threshold, triggers the air pressure difference switch contact and disconnects, and transmits disconnection letter
Number to direct data control module；
The direct data control module is further configured to: in response to the cut-off signal, releasing alarm signal, control electricity
Magnet valve closure, is transmitted to control system for the cut-off signal；
The high pressure water spray system is further configured to: in response to the solenoid closure, stopping spraying to the wire side
High pressure water.
4. protective device according to claim 1 to 3, wherein the protective device further include: rubber washer,
The bottom frame for being set to the frame contacts the surface of the air inlet grid.
5. protective device according to claim 1, wherein the air inlet grid size of frame, bottom frame size and cooling tower
It is adapted, and is formed space framework by the bottom frame predetermined size that extends outwardly and included:
Bottom frame size and the air inlet grid size of cooling tower are adapted, and extend perpendicularly outward predetermined size shape by bottom frame direction
At space framework.
6. protective device according to claim 1, wherein the wire side is crimped with the frame.
7. protective device according to claim 1, wherein the material of the frame and/or wire side and the cooling tower
Material is identical.
8. protective device according to claim 1, wherein be equipped with handle on the frame.
9. a kind of cooling tower, including air inlet grid and be installed on the outside of the air inlet grid as above-mentioned 1-8 is any one
Protective device described in.
10. cooling tower according to claim 9, wherein the bottom frame of the protective device is installed in the air inlet grid
The mode in outside is identical as the mode that the air inlet grid is installed on the cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961991.8A CN109141056A (en) | 2018-08-22 | 2018-08-22 | The protective device and cooling tower of cooling tower air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961991.8A CN109141056A (en) | 2018-08-22 | 2018-08-22 | The protective device and cooling tower of cooling tower air inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109141056A true CN109141056A (en) | 2019-01-04 |
Family
ID=64790963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810961991.8A Pending CN109141056A (en) | 2018-08-22 | 2018-08-22 | The protective device and cooling tower of cooling tower air inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109141056A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006268A (en) * | 2019-04-25 | 2019-07-12 | 国家能源投资集团有限责任公司 | Cooling tower and cleaning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080121107A1 (en) * | 2006-10-12 | 2008-05-29 | Andreas Pfannenberg | Device for the passage of air with control unit |
| CN202751900U (en) * | 2012-07-19 | 2013-02-27 | 北京康孚科技股份有限公司 | On-line self-cleaning type electret air filtering system |
| CN105651072A (en) * | 2014-12-02 | 2016-06-08 | 北京世纪互联宽带数据中心有限公司 | Protective device of air inlet of cooling tower and cooling tower |
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2018
- 2018-08-22 CN CN201810961991.8A patent/CN109141056A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080121107A1 (en) * | 2006-10-12 | 2008-05-29 | Andreas Pfannenberg | Device for the passage of air with control unit |
| CN202751900U (en) * | 2012-07-19 | 2013-02-27 | 北京康孚科技股份有限公司 | On-line self-cleaning type electret air filtering system |
| CN105651072A (en) * | 2014-12-02 | 2016-06-08 | 北京世纪互联宽带数据中心有限公司 | Protective device of air inlet of cooling tower and cooling tower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006268A (en) * | 2019-04-25 | 2019-07-12 | 国家能源投资集团有限责任公司 | Cooling tower and cleaning method |
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Application publication date: 20190104 |