CN103453785A - Runoff type electrostatic water collection device and cooling tower with same - Google Patents
Runoff type electrostatic water collection device and cooling tower with same Download PDFInfo
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- CN103453785A CN103453785A CN2013104138938A CN201310413893A CN103453785A CN 103453785 A CN103453785 A CN 103453785A CN 2013104138938 A CN2013104138938 A CN 2013104138938A CN 201310413893 A CN201310413893 A CN 201310413893A CN 103453785 A CN103453785 A CN 103453785A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 238000001816 cooling Methods 0.000 title claims abstract description 38
- 230000005494 condensation Effects 0.000 claims abstract description 15
- 238000009833 condensation Methods 0.000 claims abstract description 15
- 230000001413 cellular effect Effects 0.000 claims abstract description 8
- 239000006260 foam Substances 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 230000003068 static effect Effects 0.000 claims description 79
- 239000000779 smoke Substances 0.000 claims description 70
- 239000000498 cooling water Substances 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 19
- 238000010521 absorption reaction Methods 0.000 claims description 17
- 238000007747 plating Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003595 mist Substances 0.000 abstract 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 230000001939 inductive effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000005686 electrostatic field Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention relates to a runoff type electrostatic water collection device which comprises a front discharge net (1), wherein a water collecting electrode (8) for condensation and electrostatic adsorption of water mist is arranged behind the front discharge net (1), the water collecting electrode (8) is formed by porous foam metal or a plurality of corrugated plates, cellular boards or silk screens which are arranged in parallel, the front surface of the water collecting electrode (8) is parallel to the front discharge net (1), and through electric connection with a high-voltage direct-current power supply (3), potential difference is generated between the front discharge net (1) and the water collecting electrode (8). A cooling tower with the runoff type electrostatic water collection device comprises a tower body (10) arranged along the vertical direction, wherein the tower body (10) is internally provided with at least one runoff type electrostatic water collection device. The invention aims at providing the runoff type electrostatic water collection device which has good water mist removal effect, high water recycling efficiency, stable work performance, low running cost, energy conservation and environmental protection properties, and long service life and the cooling tower with the runoff type electrostatic water collection device.
Description
Technical field
The present invention relates to a kind of radial-flow type static captation and there is the cooling tower of radial-flow type static captation.
Background technology
At present, in the production process of thermal power plant, usually use cooling tower by circulating water, water falls in cooling tower, reach cooling effect by evaporation and heat transmission, the water that the temperature that power plant obtains recovery is lower is recycled, the entrained water vapour of damp-heat air of being discharged by cooling tower, directly from the top of cooling tower, enter atmosphere, the water of loss is called evaporation loss in this way.For being mixed in airborne steam, also without method recovery preferably, cause thus very large waste at present.Take 2*300MW thermal power plant as example, and its average evaporation loss is 2*486t/h, and its circulation total amount is 2*33800t, and evaporation loss accounts for 1.53% of total amount, approximately 6,000,000 tons of annual loss fluid losses, and visible water loss is very huge.
Summary of the invention
The object of the present invention is to provide a kind ofly to dewater that fog effect is good, the efficiency of recycle-water is high, stable work in work, operating cost is low, energy-conserving and environment-protective, the radial-flow type static captation of long service life and have the cooling tower of radial-flow type static captation.
Radial-flow type static captation of the present invention, comprise front electric discharge net, the rear of front electric discharge net is provided with the utmost point that catchments for condensation and Electrostatic Absorption water smoke, the utmost point that catchments employing porous foam metal or a plurality of corrugated plating arranged side by side or cellular board or silk screen are made, the front surface of the utmost point of catchmenting is parallel with front electric discharge net, by with being electrically connected to of high-voltage DC power supply, allow front electric discharge net and catchment between the utmost point and produce an electrical potential difference.
Radial-flow type static captation of the present invention, the rear of the wherein said utmost point that catchments is provided with rear electric discharge net, described front electric discharge net and rear electric discharge net are all negative potential or are all positive potential, front electric discharge net is connected by conductor with the negative electrode of high-voltage DC power supply with rear electric discharge net, another electrode of high-voltage DC power supply is by conductor ground connection, the described utmost point ground connection of catchmenting.
Radial-flow type static captation of the present invention, the wherein said utmost point that catchments is 10-500mm along the thickness of fore-and-aft direction, described front electric discharge net and described rear electric discharge net adopt stainless steel to make, front electric discharge net, rear electric discharge net and the electrical potential difference of catchmenting between the utmost point are the 20000-80000 volt, the described cold water pipe that is provided with catchmenting extremely interior coiling, the sidewall of cold water pipe is affixed and connects with the utmost point that catchments, and is provided with in uniform way a plurality of discharge outlet on the sidewall of cold water pipe, and the discharge outlet place is provided with nozzle.
Radial-flow type static captation of the present invention, the place ahead or the rear of wherein said rear electric discharge net are provided with dehydrater, dehydrater comprises except the water smoke passage, be provided with a plurality of deflectors for condensation Electrostatic Absorption water smoke and/or silk screen and/or porous plate except in the water smoke passage, deflector and/or silk screen and/or porous plate adopt conductive material to make, deflector and/or silk screen and/or porous plate and the utmost point that catchments are all negative potential or are all positive potential, and the thickness along fore-and-aft direction of the described utmost point that catchments is 60-200mm.
Radial-flow type static captation of the present invention, the plate face of wherein said deflector and/or described porous plate is corrugated, the gap of the fluid passage between deflector and/or silk screen and/or porous plate is less than 50mm, describedly is greater than 200mm along the length of fore-and-aft direction except the water smoke passage.
Radial-flow type static captation of the present invention, wherein said except being provided with to coiling cooling water pipe in the water smoke passage, the sidewall of cooling water pipe and deflector and/or silk screen and/or porous plate are affixed and connect, the gap of the fluid passage between deflector and/or silk screen and/or porous plate is 1-30mm, described except the water smoke passage along the length of fore-and-aft direction, be 300-2000mm.
Radial-flow type static captation of the present invention, be provided with in uniform way a plurality of delivery ports on the sidewall of wherein said cooling water pipe, water outlet is provided with water spout, the gap of the fluid passage between deflector and/or silk screen and/or porous plate is 5-25mm, described except the water smoke passage along the length of fore-and-aft direction, be 500-1500mm, front electric discharge net, rear electric discharge net and the electrical potential difference of catchmenting between the utmost point are that 50000-60000 lies prostrate.
Cooling tower with radial-flow type static captation of the present invention, comprise the tower body vertically arranged, be provided with more than one radial-flow type static captation in described tower body, each radial-flow type static captation comprises respectively front electric discharge net, before each, the rear of electric discharge net is respectively equipped with the utmost point that catchments for condensation and Electrostatic Absorption water smoke, the utmost point that catchments employing porous foam metal or a plurality of corrugated plating arranged side by side or cellular board or silk screen are made, the front surface of the utmost point of catchmenting is parallel with front electric discharge net, by with being electrically connected to of high-voltage DC power supply, allow front electric discharge net and catchment between the utmost point and to produce an electrical potential difference, described front electric discharge net, the utmost point that catchments is arranged from bottom to top in tower body, the periphery of front electric discharge net and the inwall of described tower body are fixedly linked, the utmost point that catchments adopts the inwall of support and tower body to be fixedly linked.
Cooling tower with radial-flow type static captation of the present invention, wherein the rear of the described utmost point that catchments of each described radial-flow type static captation is provided with rear electric discharge net, described front electric discharge net and rear electric discharge net are all negative potential or are all positive potential, front electric discharge net is connected by conductor with the negative electrode of high-voltage DC power supply with rear electric discharge net, another electrode of high-voltage DC power supply is by conductor ground connection, the described utmost point ground connection of catchmenting, the periphery of described rear electric discharge net and the inwall of described tower body are fixedly linked.
Cooling tower with radial-flow type static captation of the present invention, wherein each described radial-flow type static captation the described utmost point that catchments is 10-500mm along the thickness of fore-and-aft direction, described front electric discharge net and described rear electric discharge net adopt stainless steel to make, front electric discharge net, rear electric discharge net and the electrical potential difference of catchmenting between the utmost point are the 20000-80000 volt, the described cold water pipe that is provided with catchmenting extremely interior coiling, the sidewall of cold water pipe is affixed and connects with the utmost point that catchments, be provided with in uniform way a plurality of discharge outlet on the sidewall of cold water pipe, the discharge outlet place is provided with nozzle.
Cooling tower with radial-flow type static captation of the present invention, wherein the place ahead or the rear of the described rear electric discharge net of each described radial-flow type static captation are provided with dehydrater, dehydrater comprises except the water smoke passage, be provided with a plurality of deflectors for condensation Electrostatic Absorption water smoke and/or silk screen and/or porous plate except in the water smoke passage, deflector and/or silk screen and/or porous plate adopt conductive material to make, deflector and/or silk screen and/or porous plate and the utmost point that catchments are all negative potential or are all positive potential, and the thickness along fore-and-aft direction of the described utmost point that catchments is 60-200mm.
Cooling tower with radial-flow type static captation of the present invention, wherein the plate face of the described deflector of each described radial-flow type static captation and/or described porous plate is corrugated, the gap of the fluid passage between deflector and/or silk screen and/or porous plate is less than 50mm, describedly is greater than 200mm along the length of fore-and-aft direction except the water smoke passage.
Cooling tower with radial-flow type static captation of the present invention, be provided with 2-6 radial-flow type static captation in wherein said tower body, the described cooling water pipe that is provided with except the water smoke passage is interior of each described radial-flow type static captation with coiling, the sidewall of cooling water pipe and deflector and/or silk screen and/or porous plate are affixed and connect, the gap of the fluid passage between deflector and/or silk screen and/or porous plate is 1-30mm, described except the water smoke passage along the length of fore-and-aft direction, be 300-2000mm.
Cooling tower with radial-flow type static captation of the present invention, be provided with 3-4 radial-flow type static captation in wherein said tower body, be provided with in uniform way a plurality of delivery ports on the sidewall of the described cooling water pipe of each described radial-flow type static captation, water outlet is provided with water spout, the gap of the fluid passage between deflector and/or silk screen and/or porous plate is 5-25mm, described except the water smoke passage along the length of fore-and-aft direction, be 500-1500mm, front electric discharge net, rear electric discharge net and the electrical potential difference of catchmenting between the utmost point are that 50000-60000 lies prostrate.
Radial-flow type static captation of the present invention and there is the cooling tower of radial-flow type static captation, it comprises front electric discharge net, the rear of front electric discharge net is provided with the utmost point that catchments for condensation and Electrostatic Absorption water smoke, the utmost point that catchments employing porous foam metal or a plurality of corrugated plating arranged side by side or cellular board or silk screen are made, the front surface of the utmost point of catchmenting is parallel with front electric discharge net, by with being electrically connected to of high-voltage DC power supply, allow front electric discharge net and catchment between the utmost point and produce an electrical potential difference.In use, front electric discharge net can be tiny water droplet electric discharge to the water smoke in the air-flow that approaches the electric discharge net, making water smoke is that tiny water droplet is with electric charge, simultaneously, front electric discharge net also can allow catchment on utmost point band electrically nets contrary charge inducing with front electric discharge, after the water smoke with electric charge approaches and to catchment extremely, the charge inducing of extremely going up that will be catchmented attracts and is accumulated to catchment extremely to go up, the temperature that the utmost point also can cooling reduction air-flow of simultaneously catchmenting, allow the devaporation in air-flow become water smoke, and be tending towards sedimentation, being accumulated to catchments extremely goes up, fail sedimentation, the water smoke that being accumulated to catchments extremely goes up can be near the port of export of the utmost point that catchments, rear portion and rear electric discharge net by the utmost point that catchments carry out Electrostatic Absorption to it.Experiment shows, radial-flow type static captation of the present invention and the cooling tower with radial-flow type static captation have and dewater that fog effect is good, the efficiency of recycle-water is high, stable work in work, operating cost is low, energy-conserving and environment-protective, the characteristics of long service life, have outstanding substantive distinguishing features and significant progressive.
Below in conjunction with accompanying drawing, radial-flow type static captation of the present invention and cooling tower with radial-flow type static captation are described in further detail.
The accompanying drawing explanation
The main pseudosection of the structural representation that Fig. 1 is radial-flow type static captation of the present invention;
The main pseudosection of the structural representation that Fig. 2 is the cooling tower with radial-flow type static captation of the present invention.
The specific embodiment
The static of the radial-flow type static captation of the present invention principle of catchmenting: a large amount of hydrones is assembled, is condensed and forms white water smoke in air, after white water smoke enters high-voltage electrostatic field, a large amount of free electrons and charged ion that high-voltage electrostatic field produces are adsorbed on trickle water droplet, water droplet is grown up gradually and is moved to the utmost point 8 that catchments, and the utmost point 8 that finally catchmented is caught.
As shown in Figure 1, radial-flow type static captation of the present invention, comprise front electric discharge net 1, the rear of front electric discharge net 1 is provided with the utmost point 8 that catchments for condensation and Electrostatic Absorption water smoke, the utmost point 8 of catchmenting adopts porous foam metals or a plurality of corrugated plating arranged side by side or cellular board or silk screen to make, the front surface of the utmost point 8 of catchmenting is parallel with front electric discharge net 1, by with being electrically connected to of high-voltage DC power supply 3, allow front electric discharge net 1 and catchment between the utmost point 8 and produce an electrical potential difference.The utmost point 8 that catchments can be metal material, can be also nonmetallic materials, because water smoke can be attached to the surface of the utmost point 8 of catchmenting, thereby allows the utmost point 8 that catchments of nonmetallic materials conduct electricity.
As improvement of the present invention, above-mentioned rear of catchmenting the utmost point 8 is provided with rear electric discharge net 2, front electric discharge net 1 is all negative potential or is all positive potential with rear electric discharge net 2, front electric discharge net 1 is connected by conductor with the negative electrode of high-voltage DC power supply 3 with rear electric discharge net 2, another electrode of high-voltage DC power supply is by conductor ground connection, the utmost point 8 ground connection of catchmenting.
As a further improvement on the present invention, the above-mentioned utmost point 8 that catchments is 10-500mm along the thickness of fore-and-aft direction, front electric discharge net 1 and rear electric discharge net 2 adopt stainless steel to make, front electric discharge net 1, rear electric discharge net 2 and the electrical potential difference of catchmenting between the utmost point 8 are the 20000-80000 volt, cold water pipe (not shown in FIG.) is provided with catchmenting the interior coiling of the utmost point 8, the sidewall of cold water pipe and the utmost point 8 companies of being affixed that catchment, be provided with a plurality of discharge outlet in uniform way on the sidewall of cold water pipe, the discharge outlet place is provided with nozzle.Cold water pipe can allow the steam in air-flow be condensed into rapidly tiny water droplet, in order to it is collected on the utmost point 8 that catchments.During the broiling summer, while needing, can utilize nozzle water spray to be lowered the temperature, allow the steam in air-flow be condensed into rapidly tiny water droplet, in order to it is collected on the utmost point 8 that catchments.
As a further improvement on the present invention, the place ahead or the rear of above-mentioned rear electric discharge net 2 are provided with dehydrater, dehydrater comprises except water smoke passage 4, be provided with a plurality of deflectors 5 for condensation Electrostatic Absorption water smoke and/or silk screen and/or porous plate except in water smoke passage 4, deflector 5 and/or silk screen and/or porous plate adopt conductive material to make, deflector 5 and/or silk screen and/or porous plate and the utmost point 8 that catchments are all negative potential or are all positive potential, and the thickness along fore-and-aft direction of the utmost point 8 that catchments is 60-200mm.
As a further improvement on the present invention, the plate face of above-mentioned deflector 5 and/or porous plate is corrugated, the plate face that is undulatory deflector 5 and/or porous plate, be conducive to reduce the temperature of air-flow, allow the steam in air-flow be condensed into tiny water droplet, the gap of the fluid passage between deflector 5 and/or silk screen and/or porous plate is less than 50mm, except water smoke passage 4 is greater than 200mm along the length of fore-and-aft direction, the thickness that adds the utmost point 8 that catchments is 60-200mm, the combination of this specific dimensions, can effectively reduce the temperature of air-flow equally, allow the steam in air-flow be condensed into rapidly tiny water droplet, in order to it is collected on deflector 5 and/or silk screen and/or porous plate.
As a further improvement on the present invention, the above-mentioned cooling water pipe (not shown in FIG.) that is provided with removing the interior coiling of water smoke passage 4, the sidewall of cooling water pipe and deflector 5 and/or silk screen and/or porous plate are affixed and connect, cooling water pipe can allow the steam in air-flow be condensed into rapidly tiny water droplet, in order to it is collected on deflector 5 and/or silk screen and/or porous plate.The gap of the fluid passage between deflector 5 and/or silk screen and/or porous plate is 1-30mm, except water smoke passage 4 is 300-2000mm along the length of fore-and-aft direction.The combination of above-mentioned specific dimensions, can reduce the temperature of air-flow more effectively, allows the steam in air-flow be condensed into rapidly tiny water droplet, in order to it is collected on deflector 5 and/or silk screen and/or porous plate.
As a further improvement on the present invention, be provided with in uniform way a plurality of delivery ports on the sidewall of above-mentioned cooling water pipe, water outlet is provided with water spout (not shown in FIG.).During the broiling summer, while needing, can utilize water spout water spray to be lowered the temperature, allow the steam in air-flow be condensed into rapidly tiny water droplet, in order to it is collected on deflector 5 and/or silk screen and/or porous plate.The gap of the fluid passage between deflector 5 and/or silk screen and/or porous plate is 5-25mm, except water smoke passage 4 is 500-1500mm along the length of fore-and-aft direction, front electric discharge net 1, rear electric discharge net 2 and the electrical potential difference of catchmenting between the utmost point 8 are that 50000-60000 lies prostrate.The combination of above-mentioned specific dimensions, can reduce the temperature of air-flow more effectively, allows the steam in air-flow be condensed into rapidly tiny water droplet, in order to it is collected on deflector 5 and/or silk screen and/or porous plate.
Radial-flow type static captation of the present invention in use, front electric discharge net 1 can be to the electric discharge of the water smoke (being tiny water droplet) in the air-flow that approaches the electric discharge net, make water smoke (being tiny water droplet) with electric charge, simultaneously, front electric discharge net 1 also can allow and catchment the utmost point 8 with the upper electrically charge inducing contrary with front electric discharge net 1, after the water smoke with electric charge approaches the utmost point 8 that catchments, will be attracted by the charge inducing on the utmost point 8 that catchments and be accumulated on the utmost point 8 that catchments, the temperature that the utmost point 8 also can cooling reduction air-flow of simultaneously catchmenting, allow the devaporation in air-flow become water smoke, and be tending towards sedimentation, be accumulated on the utmost point 8 that catchments, fail sedimentation, the water smoke be accumulated on the utmost point 8 that catchments can be near the port of export of the utmost point 8 that catchments, rear portion and rear electric discharge net 2 by the utmost point 8 that catchments carry out Electrostatic Absorption to it.
Front side or the rear side of rear electric discharge net 2 are provided with dehydrater, dehydrater comprises except water smoke passage 4, be provided with a plurality of deflectors 5 for condensation Electrostatic Absorption water smoke and/or silk screen and/or porous plate except in water smoke passage 4, deflector 5 and/or silk screen and/or porous plate adopt conductive material to make, deflector 5 and/or silk screen and/or porous plate and the utmost point 8 that catchments are all negative potential or are all positive potential, and the thickness of the utmost point 8 that catchments is 10-500mm.
After the water smoke with electric charge approaches deflector 5 and/or silk screen and/or porous plate, charge inducing on the diversed plate 5 of meeting and/or silk screen and/or porous plate attracts and is accumulated on deflector 5 and/or silk screen and/or porous plate equally, the temperature that simultaneously deflector 5 and/or silk screen and/or porous plate also can cooling reduction air-flows, allow the devaporation in air-flow become water smoke, and be tending towards sedimentation, be accumulated on deflector 5 and/or silk screen and/or porous plate, fail sedimentation, being accumulated to water smoke on deflector 5 and/or silk screen and/or porous plate can be except near the port of export of water smoke passage 4, by the port of export and rear electric discharge net 2 except water smoke passage 4, it is carried out to Electrostatic Absorption.
As shown in Figure 2, cooling tower with radial-flow type static captation of the present invention, comprise the tower body 10 vertically arranged, be provided with more than one radial-flow type static captation in tower body 1, each radial-flow type static captation comprises respectively front electric discharge net 1, before each, the rear of electric discharge net 1 is respectively equipped with the utmost point 8 that catchments for condensation and Electrostatic Absorption water smoke, the utmost point 8 of catchmenting adopts porous foam metals or a plurality of corrugated plating arranged side by side or cellular board or silk screen to make, the front surface of the utmost point 8 of catchmenting is parallel with front electric discharge net 1, by with being electrically connected to of high-voltage DC power supply 3, allow front electric discharge net 1 and catchment between the utmost point 8 and to produce an electrical potential difference, front electric discharge net 1, the utmost point 8 arranged from bottom to top in tower body 10 of catchmenting, the inwall of the periphery of front electric discharge net 1 and tower body 1 is fixedly linked, the utmost point 8 that catchments adopts the inwall of support and tower body 1 to be fixedly linked, but the bottom in tower body 1 is provided with the pond of water receiving.
As improvement of the present invention, the rear of the utmost point 8 that catchments of above-mentioned each radial-flow type static captation is provided with rear electric discharge net 2, front electric discharge net 1 is all negative potential or is all positive potential with rear electric discharge net 2, front electric discharge net 1 is connected by conductor with the negative electrode of high-voltage DC power supply 3 with rear electric discharge net 2, another electrode of high-voltage DC power supply is by conductor ground connection, the utmost point 8 ground connection of catchmenting, the inwall of the periphery of rear electric discharge net 2 and tower body 1 is fixedly linked.
As a further improvement on the present invention, the utmost point 8 that catchments of above-mentioned each radial-flow type static captation is 10-500mm along the thickness of fore-and-aft direction, front electric discharge net 1 and rear electric discharge net 2 adopt stainless steel to make, front electric discharge net 1, rear electric discharge net 2 and the electrical potential difference of catchmenting between the utmost point 8 are the 20000-80000 volt, cold water pipe is provided with catchmenting the interior coiling of the utmost point 8, the sidewall of cold water pipe and the utmost point 8 companies of being affixed that catchment, be provided with a plurality of discharge outlet in uniform way on the sidewall of cold water pipe, the discharge outlet place is provided with nozzle.
As a further improvement on the present invention, the place ahead or the rear of the rear electric discharge net 2 of above-mentioned each radial-flow type static captation are provided with dehydrater, dehydrater comprises except water smoke passage 4, be provided with a plurality of deflectors 5 for condensation Electrostatic Absorption water smoke and/or silk screen and/or porous plate except in water smoke passage 4, deflector 5 and/or silk screen and/or porous plate adopt conductive material to make, deflector 5 and/or silk screen and/or porous plate and the utmost point 8 that catchments are all negative potential or are all positive potential, and the thickness along fore-and-aft direction of the utmost point 8 that catchments is 60-200mm.
As a further improvement on the present invention, the deflector 5 of above-mentioned each radial-flow type static captation and/or the plate face of porous plate are corrugated, the gap of the fluid passage between deflector 5 and/or silk screen and/or porous plate is less than 50mm, except water smoke passage 4 is greater than 200mm along the length of fore-and-aft direction.
As a further improvement on the present invention, be provided with 2-6 radial-flow type static captation in above-mentioned tower body 1, each radial-flow type static captation except the interior coiling of water smoke passage 4 be provided with cooling water pipe, the sidewall of cooling water pipe and deflector 5 and/or silk screen and/or porous plate are affixed and connect, the gap of the fluid passage between deflector 5 and/or silk screen and/or porous plate is 1-30mm, except water smoke passage 4 is 300-2000mm along the length of fore-and-aft direction.
As a further improvement on the present invention, be provided with 3-4 radial-flow type static captation in above-mentioned tower body 1, be provided with in uniform way a plurality of delivery ports on the sidewall of the cooling water pipe of each radial-flow type static captation, water outlet is provided with water spout, the gap of the fluid passage between deflector 5 and/or silk screen and/or porous plate is 5-25mm, except water smoke passage 4 is 500-1500mm along the length of fore-and-aft direction, front electric discharge net 1, rear electric discharge net 2 and the electrical potential difference of catchmenting between the utmost point 8 are that 50000-60000 lies prostrate.
The operation principle of the cooling tower with radial-flow type static captation of the present invention is identical with the operation principle of radial-flow type static captation of the present invention, therefore no longer repeat.
Cooling tower is heat and mass equipment important in the power plant power generation process, and its effect is to exchange by caloic, and the heat of high-temperature cooling water is spilt in atmosphere, and the temperature of recirculated cooling water is reduced.The cooling tower cooling water mainly mixes contact by cold and hot two fluid streams in tower, poor by the partial pressure of water vapor between two fluid streams, hot fluid a part of water is partly evaporated and makes cooling itself.Present thermal power plant does not have more effective recovery method to evaporation loss, have part power plant to adopt the modes such as Air-cooled Unit, only air cooling tower is exactly 6 times of conventional tower cost, and four seasons operation power consumption is huge, increase the consumption of coal, so this recovery method operating cost is very expensive.
Claims (14)
1. radial-flow type static captation, it is characterized in that: comprise front electric discharge net (1), the rear of front electric discharge net (1) is provided with the utmost point that catchments (8) for condensation and Electrostatic Absorption water smoke, the utmost point (8) that catchments employing porous foam metal or a plurality of corrugated plating arranged side by side or cellular board or silk screen are made, the front surface of the utmost point (8) of catchmenting is parallel with front electric discharge net (1), by with being electrically connected to of high-voltage DC power supply (3), allow between front electric discharge net (1) and the utmost point that catchments (8) and produce an electrical potential difference.
2. radial-flow type static captation according to claim 1, it is characterized in that: the rear of the described utmost point that catchments (8) is provided with rear electric discharge net (2), described front electric discharge net (1) is all negative potential or is all positive potential with rear electric discharge net (2), front electric discharge net (1) is connected by conductor with the negative electrode of high-voltage DC power supply (3) with rear electric discharge net (2), another electrode of high-voltage DC power supply is by conductor ground connection, the described utmost point that catchments (8) ground connection.
3. radial-flow type static captation according to claim 2, it is characterized in that: the described utmost point that catchments (8) is 10-500mm along the thickness of fore-and-aft direction, described front electric discharge net (1) and described rear electric discharge net (2) adopt stainless steel to make, electrical potential difference between front electric discharge net (1), rear electric discharge net (2) and the utmost point that catchments (8) is the 20000-80000 volt, be provided with to coiling cold water pipe in the described utmost point that catchments (8), the sidewall of cold water pipe and the utmost point (8) company of being affixed that catchments, be provided with in uniform way a plurality of discharge outlet on the sidewall of cold water pipe, the discharge outlet place is provided with nozzle.
4. radial-flow type static captation according to claim 3, it is characterized in that: the place ahead or the rear of described rear electric discharge net (2) are provided with dehydrater, dehydrater comprises except water smoke passage (4), be provided with a plurality of deflectors for condensation Electrostatic Absorption water smoke (5) and/or silk screen and/or porous plate except in water smoke passage (4), deflector (5) and/or silk screen and/or porous plate adopt conductive material to make, deflector (5) and/or silk screen and/or porous plate and the utmost point that catchments (8) are all negative potential or are all positive potential, the thickness along fore-and-aft direction of the described utmost point that catchments (8) is 60-200mm.
5. radial-flow type static captation according to claim 4, it is characterized in that: the plate face of described deflector (5) and/or described porous plate is corrugated, the gap that is positioned at the fluid passage between deflector (5) and/or silk screen and/or porous plate is less than 50mm, describedly is greater than 200mm along the length of fore-and-aft direction except water smoke passage (4).
6. radial-flow type static captation according to claim 5, it is characterized in that: described except being provided with to coiling cooling water pipe in water smoke passage (4), the sidewall of cooling water pipe and deflector (5) and/or silk screen and/or porous plate are affixed and connect, the gap that is positioned at the fluid passage between deflector (5) and/or silk screen and/or porous plate is 1-30mm, described except water smoke passage (4) along the length of fore-and-aft direction, be 300-2000mm.
7. radial-flow type static captation according to claim 6, it is characterized in that: be provided with in uniform way a plurality of delivery ports on the sidewall of described cooling water pipe, water outlet is provided with water spout, the gap that is positioned at the fluid passage between deflector (5) and/or silk screen and/or porous plate is 5-25mm, described except water smoke passage (4) along the length of fore-and-aft direction, be 500-1500mm, the electrical potential difference between front electric discharge net (1), rear electric discharge net (2) and the utmost point that catchments (8) is that 50000-60000 lies prostrate.
8. the cooling tower that there is radial-flow type static captation, comprise the tower body (10) vertically arranged, it is characterized in that: be provided with more than one radial-flow type static captation in described tower body (1), each radial-flow type static captation comprises respectively front electric discharge net (1), before each, the rear of electric discharge net (1) is respectively equipped with the utmost point that catchments (8) for condensation and Electrostatic Absorption water smoke, the utmost point (8) that catchments employing porous foam metal or a plurality of corrugated plating arranged side by side or cellular board or silk screen are made, the front surface of the utmost point (8) of catchmenting is parallel with front electric discharge net (1), by with being electrically connected to of high-voltage DC power supply (3), allow between front electric discharge net (1) and the utmost point that catchments (8) and produce an electrical potential difference, described front electric discharge net (1), the utmost point (8) that catchments is arranged from bottom to top in tower body (10), the inwall of the periphery of front electric discharge net (1) and described tower body (1) is fixedly linked, the utmost point (8) that catchments adopts the inwall of support and tower body (1) to be fixedly linked.
9. the cooling tower with radial-flow type static captation according to claim 8, it is characterized in that: the rear of the described utmost point that catchments (8) of each described radial-flow type static captation is provided with rear electric discharge net (2), described front electric discharge net (1) is all negative potential or is all positive potential with rear electric discharge net (2), front electric discharge net (1) is connected by conductor with the negative electrode of high-voltage DC power supply (3) with rear electric discharge net (2), another electrode of high-voltage DC power supply is by conductor ground connection, the described utmost point that catchments (8) ground connection, the inwall of the periphery of described rear electric discharge net (2) and described tower body (1) is fixedly linked.
10. the cooling tower with radial-flow type static captation according to claim 9, it is characterized in that: the described utmost point that catchments (8) of each described radial-flow type static captation is 10 1 500mm along the thickness of fore-and-aft direction, described front electric discharge net (1) and described rear electric discharge net (2) adopt stainless steel to make, front electric discharge net (1), electrical potential difference between rear electric discharge net (2) and the utmost point that catchments (8) is the 20000-80000 volt, be provided with to coiling cold water pipe in the described utmost point that catchments (8), the sidewall of cold water pipe and the utmost point (8) company of being affixed that catchments, be provided with in uniform way a plurality of discharge outlet on the sidewall of cold water pipe, the discharge outlet place is provided with nozzle.
The cooling tower that there is radial-flow type static captation 11. according to claim 10, it is characterized in that: the place ahead or the rear of the described rear electric discharge net (2) of each described radial-flow type static captation are provided with dehydrater, dehydrater comprises except water smoke passage (4), be provided with a plurality of deflectors for condensation Electrostatic Absorption water smoke (5) and/or silk screen and/or porous plate except in water smoke passage (4), deflector (5) and/or silk screen and/or porous plate adopt conductive material to make, deflector (5) and/or silk screen and/or porous plate and the utmost point that catchments (8) are all negative potential or are all positive potential, the thickness along fore-and-aft direction of the described utmost point that catchments (8) is 60-200mm.
The cooling tower that there is radial-flow type static captation 12. according to claim 11, it is characterized in that: the described deflector (5) of each described radial-flow type static captation and/or the plate face of described porous plate are corrugated, the gap that is positioned at the fluid passage between deflector (5) and/or silk screen and/or porous plate is less than 50mm, describedly is greater than 200mm along the length of fore-and-aft direction except water smoke passage (4).
The cooling tower that there is radial-flow type static captation 13. according to claim 12, it is characterized in that: be provided with 2-6 radial-flow type static captation in described tower body (1), the described cooling water pipe that is provided with except water smoke passage (4) is interior of each described radial-flow type static captation with coiling, the sidewall of cooling water pipe and deflector (5) and/or silk screen and/or porous plate are affixed and connect, the gap that is positioned at the fluid passage between deflector (5) and/or silk screen and/or porous plate is 1-30mm, described except water smoke passage (4) along the length of fore-and-aft direction, be 300-2000mm.
The cooling tower that there is radial-flow type static captation 14. according to claim 13, it is characterized in that: be provided with 3-4 radial-flow type static captation in described tower body (1), be provided with in uniform way a plurality of delivery ports on the sidewall of the described cooling water pipe of each described radial-flow type static captation, water outlet is provided with water spout, the gap that is positioned at the fluid passage between deflector (5) and/or silk screen and/or porous plate is 5-25mm, described except water smoke passage (4) along the length of fore-and-aft direction, be 500-1500mm, front electric discharge net (1), electrical potential difference between rear electric discharge net (2) and the utmost point that catchments (8) is the 50000-60000 volt.
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| CN201310413893.8A CN103453785B (en) | 2013-09-12 | 2013-09-12 | Runoff type electrostatic water collection device and there is the cooling tower of runoff type electrostatic water collection device |
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| CN201310413893.8A CN103453785B (en) | 2013-09-12 | 2013-09-12 | Runoff type electrostatic water collection device and there is the cooling tower of runoff type electrostatic water collection device |
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| CN104089522A (en) * | 2014-07-08 | 2014-10-08 | 西安交通大学 | Water vapour recycling system for cooling tower |
| CN107234004A (en) * | 2017-05-16 | 2017-10-10 | 江苏大学 | A kind of electrostatic dehydrating unit |
| CN108895857A (en) * | 2018-08-13 | 2018-11-27 | 双良节能系统股份有限公司 | A kind of fog dispersal water-saving cooling tower and its water-saving method |
| CN110470167A (en) * | 2019-08-21 | 2019-11-19 | 长安大学 | A kind of cooling tower recycling recirculated water |
| CN111442685A (en) * | 2020-04-29 | 2020-07-24 | 周利杰 | Condenser copper intraductal scale removal system |
| WO2021047202A1 (en) * | 2019-09-10 | 2021-03-18 | 康孚(天津)净化空调有限公司 | Electrically charged spray-type gas/liquid full heat exchange coiled pipe having built-in heating/cooling source |
| CN113639579A (en) * | 2021-09-17 | 2021-11-12 | 西安热工研究院有限公司 | Cooling water recovery system applied to natural ventilation cooling |
| TWI796863B (en) * | 2021-12-03 | 2023-03-21 | 馗鼎奈米科技股份有限公司 | Method for desalinating water |
| CN117288000A (en) * | 2023-11-22 | 2023-12-26 | 山东华科环境科技有限公司 | Water-saving cooling tower water mist recovery device |
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| CN117288000B (en) * | 2023-11-22 | 2024-02-13 | 山东华科环境科技有限公司 | Water-saving cooling tower water mist recovery device |
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Application publication date: 20131218 Assignee: Ningxia Ma Lianfu Electric Power Technology Co., Ltd. Assignor: Meng Jinlai Contract record no.: 2016990000181 Denomination of invention: Runoff type electrostatic water collection device and cooling tower with same Granted publication date: 20160113 License type: Common License Record date: 20160505 |
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Effective date of registration: 20170511 Address after: 750001 the Ningxia Hui Autonomous Region Rui Lu Jinfeng Industrial Park Jinfeng District of Yinchuan City, No. 97 Patentee after: Ningxia Ma Lianfu Electric Power Technology Co., Ltd. Address before: 100034 Beijing, Xicheng District jade Gallery, No. 8 official Park, building 2, unit 1606, 4 Patentee before: Meng Jinlai |
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Effective date of registration: 20220127 Address after: 750004 Complex Building 1, No. 97, Jinrui Road, Jinfeng Industrial Park, economic development zone, Yinchuan City, Ningxia Hui Autonomous Region Patentee after: Ningxia HUANENGDA Environmental Protection Technology Development Co.,Ltd. Address before: 750001 No. 97, Jinrui Road, Jinfeng Industrial Park, Jinfeng District, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: NINGXIA MALIANFU POWER TECHNOLOGY CO.,LTD. |
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