CN105890437B - A kind of plural parallel stage is multi-thread-moisture film electrode ion Cooling Tower water recovery device - Google Patents
A kind of plural parallel stage is multi-thread-moisture film electrode ion Cooling Tower water recovery device Download PDFInfo
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- CN105890437B CN105890437B CN201610214398.8A CN201610214398A CN105890437B CN 105890437 B CN105890437 B CN 105890437B CN 201610214398 A CN201610214398 A CN 201610214398A CN 105890437 B CN105890437 B CN 105890437B
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- 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
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
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Abstract
The invention discloses a kind of plural parallel stage it is multi-thread-moisture film electrode ion Cooling Tower water recovery device, including the multi-thread-moisture film electrode module set by multistage multi-thread-moisture film electrode module parallel connection being arranged at the top of large-scale cooling stack, multi-thread-moisture film electrode module includes the silicon rubber compound insulator string for being located at module support rack periphery, the moisture film electrode of several vertical distributions is set side by side in module support rack, moisture film electrode gap is provided with multi-thread electrode in parallel and with electrode spacing, several multi-thread electrodes access high-voltage DC power supply by connecting wire parallel connection, moisture film electrode is grounded by connecting wire;Multiple module support racks are connected by holding rope plural parallel stage, are covered along cooling tower ion wind excitation region surface.The present invention uses multi-thread-moisture film electrode form, the ionic fluid of generation to be combined with the water mist in cooling tower ascending air, and the evaporation water for improving water 12%~45% damages organic efficiency.
Description
Technical field
The present invention relates to a kind of high-voltage corona discharge water recovery devices, and in particular to and a kind of plural parallel stage is multi-thread-moisture film electricity
Thermal power plant's cooling tower ion wind water recovery device of pole structure.
Background technology
Shortage of fresh water has become the important restriction factor of China's economic development at present.As infrastructural industry for the national economy
Thermal power generation with important energy source industry is industrial water rich and influential family, and the water consumption of the thermal power plant of a 1000MW installed capacity is suitable
In the water consumption of a medium-sized city (about 1,000,000 population).In the thermal power plant of wet type cooling, cooling tower is sent out as firepower
The important auxiliary production equipment of power plant, circulating cooling water consumption account for the 60%~80% of total water consumption.Recirculated cooling water is in tower
It is interior to carry out that in heat and mass cooling procedure water loss will be will produce with air, include mainly evaporation loss, windage loss and blowdown
Three parts are lost, the 65%~75% of full factory's water consumption is accounted for.Therefore, cooling tower is water-saving water-saving or even entire in thermal power plant
There is very important status in Industrial Water Saving process.
Existing cooling tower water-saving technology such as installs mechanical water collection device to reduce windage loss, reduces cooling column water receiver
Top saturated moist air temperature makes its part Water vapor condensation reduce evaporation loss, improves the concentration rate of recirculated cooling water to subtract
Few blowdown loss.Currently, these above-mentioned cooling tower water-saving technologies are there is such as water-saving result is undesirable, it is of high cost the problems such as.
Therefore, there is an urgent need for a kind of Novel cooling tower water-saving technologies to overcome the shortcomings of traditional water-saving technology.
That is studying both at home and abroad at present generates the technology of ion wind using corona discharge, in different fields (as by force
Change heat dissipation, electrostatic precipitation, the control of air fluid and aero propulsion etc.) obtain the extensive research of domestic and foreign scholars.Corona discharge from
Sub- wind refer in severe non-uniform electric field, relative radius of curvature smaller electrode nearby corona discharge process generate largely from
Son, these ions occur momentum-exchange with surrounding air fluid under electric field action and form air jet movement.By corona discharge
Ion wind principle is applied to still uncommon on cooling tower water-saving technology.
Under DC high voltage effect, the simple electrodes shapes such as needle to board electrode, needle-ring electrode or line-net electrode are generally used
Formula can generate a limited space-charge region and mean wind speed about 2~3m/s ion winds.Not only may be used using line-moisture film electrode
With the saving ground electrode metal material of larger area, reduce the weight of water collector, it is cost-effective, and by being closed when receiving water
More steam can also be efficiently collected at grounding electrode of the moisture film to be formed as large area is covered on plastic film by water mist.
Invention content
In order to overcome the problems such as water-saving result is undesirable, and water-saving cost is higher in traditional cooling tower technology, the present invention to provide
A kind of plural parallel stage is multi-thread-moisture film electrode ion Cooling Tower water recovery device, using the ion geomantic omen of the novel electrode form
The evaporation water damage and wind water damage of the more efficient collection cooling tower of retracting device energy, the cooling tower water cost recovery of reduction thermal power plant.
The technical solution adopted in the present invention is:
A kind of plural parallel stage is multi-thread-moisture film electrode ion Cooling Tower water recovery device, including setting leads to naturally large-scale
Multi-thread-moisture film electrode module set by multistage multi-thread-moisture film electrode module parallel connection at the top of Cooling Tower, it is described it is multi-thread-
Moisture film electrode module includes a module support rack, and is located at the silicon rubber compound insulator on module support rack periphery
String, the moisture film electrode of several vertical distributions is set side by side in module support rack, along moisture film electrode gap be provided with
Its multi-thread electrode parallel and with electrode spacing, several multi-thread electrodes access high voltage direct current by connecting wire parallel connection
Source, several moisture film electrodes are grounded by connecting wire;Multiple module support racks are connected by holding rope plural parallel stage, edge
Covering at the top of large-scale cooling stack.
Further, if the multi-thread electrode includes multi-thread electrode support and vertical distribution on multi-thread electrode support
Dry line bracket, discharge electrode line are equidistantly parallelly stretched on equidistant line bracket.
Further, the multi-thread electrode support by stent foot vertical support on module support rack.
Further, the moisture film electrode includes electrode bracket, and suppresses and to be formed along electrode bracket frame aluminium foil, plastics
Receipts water film.
Further, multiple multi-thread-moisture film electrode modules are multi-thread-moisture film electrode of single layer parallel connection by holding rope concatenation
Module.
Further, multiple single layers multi-thread-moisture film electrode module in parallel close row at the top of large-scale cooling stack
Row, and each moisture film electrode and multi-thread electrode are along large-scale cooling stack genesis analysis.
Further, the module support rack is glass steel material.
Further, the multi-thread electrode accesses high-voltage DC power supply connecting with current limiting safeguard resistor again, and moisture film electrode connects
It is grounded after entering the holding rope of stainless steel.
Further, the voltage for the high-voltage DC power supply that the multi-thread electrode adds is 30KV~80KV.
The present invention is used for the high efficiente callback of cooling tower circulation loss water, with existing mechanical dehydrater water recovery device phase
Than haing the following advantages:
1) multi-thread-moisture film electrode form, the ionic fluid of generation is used to be combined with the water mist in cooling tower ascending air,
The wind water damage in cooling tower circulation loss water can be recycled completely;Contain a large amount of turbulent flow whirlpool in ion wind field, accelerates cooling
The collision of steam in tower ascending air improves water organic efficiency;Charged particle in ionic fluid is supersaturated vapor in air-flow
The nuclei of condensation are provided, accelerates the condensation of vapor in air-flow, 12%~45% evaporation can be recycled under different meteorological conditions
Water damages.Generally in summer, outside air temperature is higher, so the evaporation water damage rate of recovery is relatively low, and only 12% or so.When in winter then
45% or so can be reached.
2) it using multi-thread-moisture film electrode module form in parallel, is not done mutually in the ion wind effect section that modules generate
In the case of disturbing, the ion wind zone of action of large area is obtained, improves the organic efficiency of cooling tower circulation loss water.
3) the moisture film electrode form of flush system, the agglutination water mist in ion wind is used to beat on the film of moisture film electrode,
One layer of conductive moisture film is formed on film.The moisture film can be used as ground connection pole plate, forms a large amount of ionic fluid with line electrode, expands
The sphere of action of ion wind substantially increases the utilization rate of electrode material.
4) system tray is set to inside tower top, due to lateral ion wind action, compared to cooling tower bottom, and gas in tower top
Density is low, and air pressure is low, and gas flow rates faster, make to be promoted with atmospheric environment heat exchange rate outside tower, add at the top of cooling tower
The liquefaction and recycling of fast cooling tower discharge steam.
5) it uses this water recovery device, the elegant steam in cooling tower top largely to reduce, substantially reduces cooling tower discharge gas
Influence of the body to ambient enviroment.
6) system uses multi-thread-moisture film electrode, and alleviates device quality as support construction using cable wire, saves
Material, it is cost-effective and be easily installed.
7) device uses modularized design, easy to produce, installation and maintenance to safeguard.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, not
Inappropriate limitation of the present invention is constituted, in the accompanying drawings:
Fig. 1 is multi-thread-moisture film electrode module schematic diagram of the present invention.
Fig. 2 is the structure chart of the multi-thread electrode of single-stage of the present invention.
Fig. 3 is the structure chart of the single-stage moisture film electrode of the present invention.
Fig. 4 is that the single layer of modular of the cooling tower water retracting device of the present invention is laid with schematic diagram.
Fig. 5 is the erection vertical view of the cooling tower water retracting device of the present invention.
Fig. 6 is the cooling tower water retracting device location drawing of the present invention.
In Fig. 1~Fig. 6:1, module support rack;2, silicon rubber compound insulator string;3, moisture film electrode;4, multi-thread electrode;
5, discharge electrode line;6, line bracket;7, electrode bracket;8, water film is received;9, multi-thread-moisture film electrode module;10, holding rope;
11, multi-thread-moisture film electrode module set;12, large-scale cooling stack, the 13, first connecting wire;13, second connection lead
Line;14, high-voltage DC power supply;15, current limiting safeguard resistor.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
Shown in Fig. 1, Fig. 5, Fig. 6, a kind of plural parallel stage of the invention is multi-thread-and moisture film electrode ion Cooling Tower water returns
Receiving apparatus, including be arranged at 12 top of large-scale cooling stack by the more of multistage multi-thread -9 parallel connection of moisture film electrode module
Line-moisture film electrode module set 11 wherein multi-thread-moisture film electrode module 9 includes a module support rack 1, and is located at
It is vertical to be set side by side with several in module support rack 1 for the silicon rubber compound insulator string 2 on 1 periphery of module support rack
The moisture film electrode 3 of distribution is arranged at intervals with multi-thread electrode 4 in parallel and with electrode spacing, previous stage along moisture film electrode 3
Multi-thread electrode 4 and the moisture film electrode 3 of rear stage be combined as multi-thread-moisture film electrode of a unit, every grade of multi-thread-moisture film electricity
The multi-thread electrode 4 of pole forms electrode spacing with moisture film electrode 3.Several multi-thread electrodes 4 are by the first connecting wire 13 and couple
Enter high-voltage DC power supply 14, several moisture film electrodes 3 pass through the second connecting wire 13, ground connection;Multiple module support racks 1 pass through
10 plural parallel stage of holding rope connects, and the ion wind excitation region surface along 12 top of large-scale cooling stack covers.
As shown in Fig. 2, the multi-thread electrode 4 includes multi-thread electrode support and vertical distribution on multi-thread electrode support
Several line brackets 6, discharge electrode line 5 is equidistantly parallelly stretched on equidistant line bracket 6.Discharge electrode line 5 is flat
The conductive filament of row arrangement, using on-deformable resistant material.Multi-thread electrode support is by stent foot vertical support in mould
On block support rack 1.
As shown in figure 3, the moisture film electrode 3 includes electrode bracket 7, and along 7 frame aluminium foil of electrode bracket, plastics pressure
Make the receipts water film 8 formed.Moisture film electrode is actually a kind of plural layers with some strength, and internal layer is thin metal film knot
Structure enhances electrode heat conductivility;Outer layer painted plastic coating, protects metal electrode not corroded;Electrode when moisture film electrode works
Surface can be covered to form water layer by water mist, which is main conductive structure.Entire membrane electrode is stretched on electrode support, and
And reliable ground.
As shown in figure 4, multiple multi-thread-moisture film electrode modules 9 are concatenated into the company of module support rack 1 by holding rope 10
It connects on ring, module level is mounted, constitute multi-thread-moisture film electrode module 9 of single layer parallel connection.Multi-thread-moisture film electricity of plural parallel stage
Pole module 9 is modular unit, and wired in parallel quantity is installed on cooling tower top depending on air outlet of cooling tower diameter after in parallel
End.
As shown in figure 5, multi-thread-moisture film electrode module 9 of multiple single layer parallel connections is along 12 top of large-scale cooling stack
Close-packed arrays, and each moisture film electrode 3 and multi-thread electrode 4 are along 12 genesis analysis of large-scale cooling stack.
For the cooling tower of different model, the specification of water recovery device of the present invention is different.
It is 30~50cm that the multi-thread electrode 4 of the present embodiment forms electrode spacing with moisture film electrode 3;Multi-thread electrode 4 and moisture film
The electrode height of electrode 3 is 30~60cm.
The line spacing of multi-thread electrode 4 is 5~10cm, and the linear diameter of multi-thread electrode 4 is 1~3mm.
The length of multi-thread-moisture film electrode module 9 is 5~10m, and the width of multi-thread-moisture film electrode module 9 is 3~6m, more
The height of line-moisture film electrode module 9 is 120~150cm.
The high-voltage DC power supply voltage that multi-thread-moisture film electrode adds is 30KV~80KV.Water recovery device is set up in cooling
Inside column overhead, antenna height is within the scope of 50m~150m.
The present invention is by taking the cooling tower of a diameter of 54.652m of air outlet as an example:
By 10 diameter 1mm, the discharge electrode line 5 of length 4m is parallelly stretched in the electricity of width 2cm with the spacing of 5cm
On pole bracket 6, multi-thread electrode 4 is formed.It is suppressed to be formed with aluminium foil, plastics and receives water film 7, be stretched on electrode bracket 6, form water
Membrane electrode 3.Multi-thread electrode 4 and moisture film electrode 3 be arranged in parallel within successively using 40cm as spacing on module support rack 1 constituted it is more
Line-moisture film electrode module 9.1 material of module support rack is fiberglass, has corrosion-resistant, high mechanical strength, excellent insulation performance
The characteristics of.
In cooling tower tower top parallel laid stainless steel holding rope 10, rope spacing is 4m, arc sag 0.5m.Under rope
Fang Yici close-packed arrays are multi-thread-moisture film electrode module 9, modules require preferable levelness, but height does not require completely etc.
It is high.2~3 cable wires can be further added by the direction of 9 stainless steel ropes, and fastened to each other with raw steel rope, to subtract
Few cable wire vibrations, while also horizontal applied force of the balance cable wire to cooling tower.
Discharge electrode accesses high-voltage DC power supply connecting with current limiting safeguard resistor 15 again, and moisture film electrode can access stainless steel
It is grounded after rope.Stainless steel cable or other ropes can be used to set up.
When implementation, it need to ensure that adjacent plate has enough electric equipment compartments with moisture film electrode 4 with the line electrode 3 of intermodule in module
Gap.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation mode of the present invention is only limitted to this, for those of ordinary skill in the art to which the present invention belongs, is not taking off
Under the premise of from present inventive concept, several simple deduction or replace can also be made, all shall be regarded as belonging to the present invention by institute
Claims of submission determine scope of patent protection.
Claims (8)
1. a kind of plural parallel stage is multi-thread-moisture film electrode ion Cooling Tower water recovery device, it is characterised in that:Exist including setting
Multi-thread-moisture film electrode mould by multistage multi-thread-moisture film electrode module (9) parallel connection at the top of large-scale cooling stack (12)
Set of blocks (11), the multi-thread-moisture film electrode module (9) include a module support rack (1), and are located at module support
The silicon rubber compound insulator string (2) on bracket (1) periphery is set side by side with several vertical point in module support rack (1)
The moisture film electrode (3) of cloth is arranged at intervals with multi-thread electrode (4) in parallel and with electrode spacing along moisture film electrode (3), if
Dry multi-thread electrode (4) passes through the first connecting wire (13) access high-voltage DC power supply (14) in parallel, several moisture film electrodes (3)
It is grounded by the second connecting wire (13);Multiple module support racks (1) are connected by holding rope (10) plural parallel stage, edge
Ion wind excitation region surface covering at the top of large-scale cooling stack (12);
The moisture film electrode (3) includes electrode bracket (7), and suppresses along electrode bracket (7) frame aluminium foil, plastics and to be formed
Receive water film (8);Moisture film electrode is the plural layers for having some strength, and internal layer is thin metal film structure, outer layer painted plastic
Coating;Electrode surface can be covered to form water layer by water mist when moisture film electrode works, which plays main conductive.
2. a kind of plural parallel stage according to claim 1 is multi-thread-moisture film electrode ion Cooling Tower water recovery device,
It is characterized in that:The multi-thread electrode (4) includes several on multi-thread electrode support of multi-thread electrode support and vertical distribution
Line bracket (6), discharge electrode line (5) are equidistantly parallelly stretched on equidistant line bracket (6).
3. a kind of plural parallel stage according to claim 2 is multi-thread-moisture film electrode ion Cooling Tower water recovery device,
It is characterized in that:The multi-thread electrode support is by stent foot vertical support on module support rack (1).
4. according to a kind of plural parallel stage of claim 1-3 any one of them it is multi-thread-moisture film electrode ion Cooling Tower water recycle
Device, it is characterised in that:Multistage multi-thread-moisture film electrode module (9) by holding rope (10) concatenation be single layer it is in parallel it is multi-thread-
Moisture film electrode module.
5. a kind of plural parallel stage according to claim 4 is multi-thread-moisture film electrode ion Cooling Tower water recovery device,
It is characterized in that:Multi-thread-moisture film electrode module (9) of multistage single layer parallel connection close row at the top of large-scale cooling stack (12)
Row, and each moisture film electrode (3) and multi-thread electrode (4) are along large-scale cooling stack (12) genesis analysis.
6. a kind of plural parallel stage according to claim 1 is multi-thread-moisture film electrode ion Cooling Tower water recovery device,
It is characterized in that:The module support rack (1) is glass steel material.
7. a kind of plural parallel stage according to claim 1 is multi-thread-moisture film electrode ion Cooling Tower water recovery device,
It is characterized in that:The multi-thread electrode (4) accesses high-voltage DC power supply (14), moisture film again after connecting with current limiting safeguard resistor (15)
The holding rope (10) of electrode (3) access stainless steel is grounded afterwards.
8. a kind of plural parallel stage according to claim 1 is multi-thread-moisture film electrode ion Cooling Tower water recovery device,
It is characterized in that:The voltage for the high-voltage DC power supply (14) that the multi-thread electrode (4) adds is 30KV~80KV.
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CN106595380B (en) * | 2016-11-17 | 2019-10-11 | 西安交通大学 | A kind of cooling tower ion wind water collector |
CN111375490B (en) * | 2020-01-16 | 2021-06-29 | 华中科技大学 | Demisting and water collecting device and method based on coupling of ion wind and vibrating wire grid |
CN114001565B (en) * | 2021-09-10 | 2023-05-26 | 西安交通大学 | Electrostatic water-collecting cooling tower |
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CA1159773A (en) * | 1981-09-30 | 1984-01-03 | George Drzewiecki | Wet electrostatic precipitator having removable nested hexagonal collector plates and magnetic aligning and rapping means |
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