CN204313701U - Reduce the device of cooling-tower circulating water temperature - Google Patents
Reduce the device of cooling-tower circulating water temperature Download PDFInfo
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- CN204313701U CN204313701U CN201320226181.0U CN201320226181U CN204313701U CN 204313701 U CN204313701 U CN 204313701U CN 201320226181 U CN201320226181 U CN 201320226181U CN 204313701 U CN204313701 U CN 204313701U
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Abstract
Title of the present utility model reduces the device of cooling-tower circulating water temperature, relates to a kind of a kind of device reducing cooling-tower circulating water temperature.Mainly solve current power plant cooling tower circulating water temperature high, water consumption is large, and Air-cooled Unit cost is high, maintenance inconvenience, the problem that operating cost is high.The utility model is that the device reducing cooling-tower circulating water temperature is provided with N number of negative electrode frame in cooling tower above frame girder, N number of cathode needle be parallel to each other is fixed with on negative electrode frame, vertically, the positive plate paralleled with cathode needle is equipped with in the outside of each cathode needle, negative electrode frame is fixed on the below of the cross section of positive plate lower surface, and positive plate is fixed on frame girder by the insulator below bracing frame and bracing frame.Direct current is applied between two electrodes, wind energy is produced two interelectrode " convection current " by electron ion, the contact area of Ta Neigao enthalpy water and low enthalpy cold air is increased, the temperature falling into tower lower sump recirculated water can be reduced, circulating water temperature 1-5 DEG C can be reduced, reduce the evaporation capacity 80% of recirculated water, the utility model low production cost simultaneously, install simple and easy.
Description
Technical field
The utility model relates to and a kind ofly reduces a kind of device that cooling-tower circulating water water temperature reduces evaporation capacity of circulating water simultaneously, relates to the reduction cooling-tower circulating water temperature of the departments such as power plant, chemical industry, metallurgy, large-size air conditioning specifically and reduces the energy-saving and cost-reducing equipment of evaporation capacity of circulating water.
Background technology
At present in the production process of thermal power plant, cooling tower is the contact utilizing water and air, a kind of equipment of the used heat produced in heat exchange within the condenser that left by evaporation.In condenser, circulating water temperature is the vacuum ensureing that plant condenser is good and the important indicator reducing units consumption, and circulating water temperature reduces by 1 DEG C, and condenser vacuum increases by 400 ~ 500 Pa, gross coal consumption rate decline 1.0-1.5 g/ (kWh).Cooling tower is as the visual plant of circulating cooling system, and its cooling effect is the key affecting circulating water temperature.Circulating water temperature often reduces once can improve generating efficiency 0.47%, and high pressure unit energy improves generating efficiency 0.35%, and uses the power plant of nuclear fuel can improve generating efficiency to be about 0.7%.Thermal power generation accounts for more than 70% of generating total amount, and the scarcity of the fossil energies such as coal is more and more higher, and power industry is energy-saving and cost-reducing also therefore further important.Thermoelectricity water consumption accounts for 50% of national industrial water consumption simultaneously.It is 70% that cooling tower water consumption accounts for power plant's wastage in bulk or weight water yield.Some thermal power plant adopts Air-cooled Unit to lower the temperature to recirculated water at present, but Air-cooled Unit cost is high, and power consumption coal consumption is large, and manufacture, installation, maintenance very complicated, operating cost is high.
Summary of the invention
The purpose of this utility model is that a kind of equipment of proposing for above-mentioned deficiency is simple, runs and cheap for manufacturing cost, can reduce cooling-tower circulating water temperature 1-5 DEG C, simultaneously a kind of device of reduction evaporation capacity of circulating water 80%.
Technical solution of the present utility model is: the device reducing cooling-tower circulating water temperature is provided with N number of negative electrode frame in cooling tower above frame girder, N number of cathode needle be parallel to each other is fixed with on negative electrode frame, vertically, the positive plate paralleled with cathode needle is equipped with in the outside of each cathode needle, negative electrode frame is fixed on the below of the cross section of positive plate lower surface, and positive plate is fixed on frame girder by the insulator below bracing frame and bracing frame.
N number of minimum described in technical solution of the present utility model is one.
The shape of the cross-section channel of the positive plate described in technical solution of the present utility model is hexagon or quadrangle or triangle or flat board.
The shape of the every block pole plate of the positive plate described in technical solution of the present utility model is W shape or S shape or rectangle or flat board.
The interior outside of the positive plate pole plate described in technical solution of the present utility model adopts embossing, or outside is coated with sticky wire netting in positive plate pole plate, or is coated with sticky fiber cloth or fiber suede.
The utility model is that will produce electric field in space, the electric-field intensity near corona discharge electrode is the highest, makes the gas ionization around corona discharge electrode, namely produces corona discharge according to applying sufficiently high DC voltage between two electrodes (corona discharge electrode, anode).Corona discharge is a kind of local self-maintained discharge phenomenon of gas medium in non-uniform electric field, and it is a kind of gas discharge form.Near point electrode, because local electric field strength exceedes ionisation of gas field intensity, make gas that ionization and excitation occur, just there will be metastable corona discharge.Under certain voltage and technical conditions, corona discharge can produce wind energy by electron ion two interelectrode " convection current ".Ion wind is the principle based on positron-electron neutralization, produces carbonium by one end of pair of electrodes, when flying to negative electrode and negative ion " junction ", air just can be driven to form steady air flow, i.e. " ion wind ".Ion wind is also distinctive phenomenon in corona discharge process, also referred to as corona wind.
In cooling tower, on original frame girder, place the frame unit being covered with whole cooling tower cross section, in frame unit, be placed with cathode frame and positive plate assembly.Cathode frame is placed in the below of positive plate assembly, after the direct current of logical certain voltage, just stable corona discharge is there will be between negative electrode frame and positive plate assembly, just corona wind from bottom to top can be produced, the direction of corona wind is identical with the direction of the wind produced by static pressure in cooling tower, be equivalent to an area axial blower fan identical with cooling tower area has been installed in cooling tower, reduce pressure in tower, increase the intake of tower bottom inverted V-shaped hole, the contact area of Ta Neigao enthalpy water and cold air is increased, evaporation of water with contact dispel the heat also more abundant, reduce the temperature falling into tower lower sump water, improve condenser vacuum, reduce Power Plant coal consumption.Simultaneously when the gas of containing water vapor droplet, during by this electric field, under the steam fog having adsorbed anion and electronics drops in the effect of electric field Coulomb force, institute is discharged electrically charged after moving to positive plate, and be adsorbed on positive plate, being formed is dropped in the collecting-tank of tower bottom compared with flood, reaches the object of the evaporation capacity reducing recirculated water.The utility model makes at effective space internal electric field area maximum, and electric-field intensity is high, and corona wind wind speed is stable and intensity is high, and corona voltage is low.The utility model low production cost, lightweight.Adopt intensive modularized production, compact conformation rationally, install simple and easy, maintenance is convenient, failure rate is low.The utility model can be power plants generating electricity and to economize on coal (1-5) g/ (kWh), can reduce recirculated water evaporation 80%.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is principle schematic of the present utility model.
Fig. 3 is Fig. 1 middle-jiao yang, function of the spleen and stomach pole plate shape of cross section is hexagonal structure figure.
Fig. 4 is Fig. 1 middle-jiao yang, function of the spleen and stomach pole plate shape of cross section is quadrilateral structure figure.
Fig. 5 is Fig. 1 middle-jiao yang, function of the spleen and stomach pole plate shape of cross section is triangle structure chart.
Fig. 6 is Fig. 1 middle-jiao yang, function of the spleen and stomach pole plate shape of cross section is parallel-plate shape structure chart.
Fig. 7 be Fig. 3,4,5, the syndeton schematic diagram of 6 middle-jiao yang, function of the spleen and stomach pole plates.
The schematic diagram of Fig. 8 to be the textural shape of Fig. 7 middle-jiao yang, function of the spleen and stomach pole plate be W shape.
The schematic diagram of Fig. 9 to be the textural shape of Fig. 7 middle-jiao yang, function of the spleen and stomach pole plate be S shape.
Figure 10 is the textural shape of Fig. 7 middle-jiao yang, function of the spleen and stomach pole plate is the schematic diagram of rectangle.
Figure 11 is the textural shape of Fig. 7 middle-jiao yang, function of the spleen and stomach pole plate is plate shaped schematic diagram.
Detailed description of the invention
As Fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, shown in 11, the utility model reduces cooling-tower circulating water temperature device and is fixed on the frame girder 3 of former fixing spray pipe, reduce the cross section that cooling-tower circulating water temperature device is covered with whole cooling tower, frame girder 3 is provided with N number of negative electrode frame 4, N number of negative electrode frame 4 is minimum is one, negative electrode frame 4 is vertically fixed with N number of cathode needle 8 be parallel to each other, negative electrode frame 4 and cathode needle 8 are the entirety of a conduction, the plate 7 paralleled with cathode needle 8 is equipped with in the outside of each cathode needle 8, cathode needle 8 runs through the space of positive plate 7, negative electrode frame 4 is fixed on the below in positive plate 7 cross section, the shape of positive plate 7 cross-section channel can be hexagon, as Fig. 1, shown in 3, also can be quadrangle, as shown in Figure 4, or triangle, as shown in Figure 5, also or the plate shape that is parallel to each other, as shown in Figure 6, take said structure shape that field area can be made large, electric-field intensity is even, there is no electric field hole, stock utilization is high, cross-section channel shape is hexagon, the pole plate of quadrangle, leg-of-mutton positive plate 7 is connected inserted link 10 and is connected by two adjacent plates with adopting between pole plate, as shown in Figure 7, this connected mode is adopted to make installation simple and fast, accurate positioning, and dimensionally stable, debugging is convenient, the below of positive plate 7 is fixed on bracing frame 6, and the below of bracing frame 6 is fixed on frame girder 3 by insulator 5, positive plate 7 adopts metal material, as aluminium alloy plate, corrosion resistant plate etc., polar board surface adopts preservative treatment, its surface is made to have better weatherability, positive plate 7 surface adopts embossing process or surface coverage metal grill or surface coverage fiber cloth or fiber suede, make it increase surface roughness and form continuously moisture film, prevent steam particulate back corona phenomenon from occurring, increase the efficiency of recycle-water, every block pole plate of positive plate 7 can adopt W shape structure, also S shape structure can be adopted, rectangle or disk construction, as Fig. 8, 9, 10, shown in 11, greatly can improve field area, the traffic direction of different pole plate shapes also adjustable corona wind 9.Increase the efficiency of recycle-water.
Operation principle: during use, negative electrode frame 4 is connected by cable 2 with the negative pole of high voltage direct current, positive plate 7 passes through cable grounding, after the direct current of logical certain voltage, just stable corona discharge is there will be between the cross section of negative electrode frame 4 and positive plate 7, just corona wind 9 from bottom to top can be produced, the direction of corona wind 9 is identical with the direction of the wind produced by static pressure in cooling tower 1, be equivalent to an area axial blower fan identical with cooling tower 1 area has been installed, increase the intake of tower bottom inverted V-shaped hole, the contact area of Ta Neigao enthalpy water and low enthalpy cold air is increased, evaporation of water with contact dispel the heat also more abundant, the temperature falling into tower lower sump water is reduced, improve condenser vacuum, reduce Power Plant coal consumption, simultaneously when the gas of containing water vapor droplet is by this electric field, under the steam fog having adsorbed anion and electronics drops in the effect of electric field Coulomb force, institute is discharged electrically charged after moving to positive plate 7, and be adsorbed on positive plate 7, being formed is dropped in the collecting-tank of tower bottom compared with flood, realize recycling, reach the object of the evaporation capacity reducing recirculated water.
Claims (2)
1. one kind is reduced the device of cooling-tower circulating water temperature, it is characterized in that: the top same horizontal plane Inner of the frame girder (3) in cooling tower (1) is provided with N number of negative electrode frame (4), the upper plane of negative electrode frame (4) is vertically fixed with N number of cathode needle (8) be parallel to each other, the positive plate (7) paralleled with cathode needle (8) is equipped with in the outside of each cathode needle (8), negative electrode frame (4) is fixed on the below of the cross section of positive plate (7) lower surface, positive plate (7) is fixed on frame girder (3) by the insulator (5) of bracing frame (6) and bracing frame (6) below.
2. the device of reduction cooling-tower circulating water temperature according to claim 1, is characterized in that: described N number of minimum be one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320226181.0U CN204313701U (en) | 2013-04-28 | 2013-04-28 | Reduce the device of cooling-tower circulating water temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320226181.0U CN204313701U (en) | 2013-04-28 | 2013-04-28 | Reduce the device of cooling-tower circulating water temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204313701U true CN204313701U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320226181.0U Expired - Fee Related CN204313701U (en) | 2013-04-28 | 2013-04-28 | Reduce the device of cooling-tower circulating water temperature |
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| CN (1) | CN204313701U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121802A (en) * | 2013-04-28 | 2014-10-29 | 陈远 | Device for reducing temperature of circulation water of cooling tower |
| CN105764226A (en) * | 2016-04-09 | 2016-07-13 | 嘉兴天盾环保科技有限公司 | Pt coating-equipped high throughput restraint-free corona ions generator |
| CN109855465A (en) * | 2019-01-29 | 2019-06-07 | 江苏大学 | A kind of ion wind heat exchanger for the recycling of natural gas engine waste heat |
| CN114112223A (en) * | 2021-11-12 | 2022-03-01 | 广东核电合营有限公司 | Nuclear condenser SF6Leak detector |
-
2013
- 2013-04-28 CN CN201320226181.0U patent/CN204313701U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121802A (en) * | 2013-04-28 | 2014-10-29 | 陈远 | Device for reducing temperature of circulation water of cooling tower |
| CN105764226A (en) * | 2016-04-09 | 2016-07-13 | 嘉兴天盾环保科技有限公司 | Pt coating-equipped high throughput restraint-free corona ions generator |
| CN109855465A (en) * | 2019-01-29 | 2019-06-07 | 江苏大学 | A kind of ion wind heat exchanger for the recycling of natural gas engine waste heat |
| CN114112223A (en) * | 2021-11-12 | 2022-03-01 | 广东核电合营有限公司 | Nuclear condenser SF6Leak detector |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20180428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |