CN215810318U - Plasma corona electric field device suitable for cooling tower defogging - Google Patents
Plasma corona electric field device suitable for cooling tower defogging Download PDFInfo
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- CN215810318U CN215810318U CN202122229831.4U CN202122229831U CN215810318U CN 215810318 U CN215810318 U CN 215810318U CN 202122229831 U CN202122229831 U CN 202122229831U CN 215810318 U CN215810318 U CN 215810318U
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Abstract
The utility model relates to a plasma corona electric field device suitable for demisting a cooling tower, which relates to the technical field of demisting of the cooling tower and comprises four groups of longitudinal beam body structures positioned on a peripheral platform at the outlet of a wind tube of the cooling tower, wherein at least two groups of plasma corona electric field mechanisms are movably arranged in the vertical direction of the four groups of longitudinal beam body structures and are used for forming a plasma corona electric field, each plasma corona electric field mechanism is formed by sequentially arranging a plurality of groups of plasma corona electric field units, a surrounding-shaped cross beam body structure is arranged on the periphery of at least two groups of plasma corona electric field mechanisms, an electric hoist is arranged at the end part of the cross beam body structure, and the end part of the cross beam body structure is slidably arranged on the longitudinal beam body structure through the electric hoist. The utility model can carry out adaptive adjustment according to the wind speeds and environments of different cooling towers and the operation condition of the cooling towers in different seasons, thereby ensuring the efficiency of defogging and water saving of the cooling towers, improving the water recovery rate and having the advantages of environmental protection and energy saving.
Description
Technical Field
The utility model relates to the technical field of cooling tower demisting, in particular to a plasma corona electric field device suitable for demisting a cooling tower.
Background
In the prior art, the cooling tower mainly realizes cooling of circulating water in a form of latent heat of evaporation in the processes of heat transfer and mass transfer with air through the circulating water flowing from top to bottom, and simultaneously increases the moisture content of the air. Because the temperature outside the tower is low, saturated wet air in the tower is condensed and condensed after being discharged out of the cooling tower, and water vapor is discharged into the atmospheric environment in the form of fog drops, thereby causing the waste of circulating water. The water consumption lost in the form of evaporation is evaporation loss, accounts for 1.2-1.5% of the total amount of circulating water, and accounts for 30-50% of the total amount of water consumed by a power plant, and is the largest water consumption index of the power plant.
With the development of plasma field technology, the use of plasma corona electric field to perform fog dispersal and water conservation on fog has attracted wide attention, and publication No. CN108895857A discloses a fog dispersal and water conservation cooling tower and a water conservation method thereof, wherein an electric defogging device installed at the outlet of the cooling tower is introduced, the bottom of an electric defogger and the top of the cooling tower are provided with airflow channels, and the saturated wet air is expected to be naturally cooled by dry and cold air outside the tower to separate out water fog, and then the water fog is collected by the electric defogger to realize the purposes of water conservation and defogging. However, in practice, the fixing of the electric demister and the load bearing of the cooling tower pair need to be considered, the height of an air flow channel between the electric demister and the cooling tower is very narrow, and the effect of separating out white mist by natural cooling is poor, so that the water-receiving and demisting effects of the electric demister are poor. In addition, in actual conditions, the speeds and densities of the discharged fog in the wind cylinders of the fans in the cooling towers of different enterprises, different seasons and different powers are different, the conventional plasma corona electric field is difficult to adapt to the cooling towers with different working conditions, and the technical application is greatly limited. Therefore, a plasma corona electric field device suitable for demisting a cooling tower is provided.
Disclosure of Invention
The present invention is directed to solving the problems of the prior art and providing a plasma corona field device suitable for demisting a cooling tower.
The utility model realizes the purpose through the following technical scheme:
the utility model provides a plasma corona electric field device suitable for cooling tower defogging, is including four group's girder body structures that are located the peripheral platform of cooling tower dryer export, movable mounting has at least two sets of plasma corona electric field mechanisms on four group's girder body structures's the vertical direction, plasma corona electric field mechanism is used for forming plasma corona electric field, be equipped with the stopper between cooling tower vertical direction's the adjacent two-stage plasma corona electric field mechanism, plasma corona electric field mechanism is arranged in proper order by multiunit plasma corona electric field unit and is constituteed, the periphery of at least two sets of plasma corona electric field mechanisms is equipped with the crossbeam body structure of envelope form, the tip of crossbeam body structure is equipped with electric hoist, the tip of crossbeam body structure passes through electric hoist slidable mounting on girder body structure.
Preferably, the electric field directions of the plasma corona electric fields formed by the two adjacent stages of the plasma corona electric field mechanisms in the vertical direction of the cooling tower are mutually vertical.
Preferably, the plasma corona electric field unit comprises a discharging part and a water collecting part, wherein the discharging part and the water collecting part are sequentially arranged at intervals in a staggered mode in the fog circulation direction of the outlet of the air duct of the cooling tower, and the intervals form sub-fog channels.
Preferably, both ends of the discharging part and the water collecting part are fixed on different end supporting structures, the discharging part and the water collecting part are mounted on a guide rail moving mechanism on the beam body structure through the end supporting structures, and a discharging interval between the discharging part and the water collecting part is a variable interval.
Preferably, the discharge part is composed of a plurality of groups of discharge electrodes in the vertical direction, the discharge electrodes are slidably mounted on the end supporting structure through the guide rail moving mechanism, and the distance between the discharge electrodes is a variable distance.
Preferably, in the enclosure formed by the crossbeam body structure, the water collecting part is positioned outside the discharge part.
The utility model has the beneficial effects that: the method can be used for carrying out adaptive adjustment according to the wind speeds and environments of different cooling towers and the operation condition of the cooling towers in different seasons, so that the efficiency of defogging and water saving of the cooling towers is guaranteed, the water recovery rate is improved, and the method has the advantages of environmental protection and energy saving.
Drawings
FIG. 1 is a schematic view of the installation position of the plasma corona electric field device of the present invention.
FIG. 2 is a schematic view of the plasma corona field apparatus according to the present invention.
Figure 3 is a schematic diagram of a sub-plasma corona electric field of the plasma corona electric field mechanism of the present invention,
FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention.
FIG. 5 is a schematic diagram of a plasma corona field unit according to the present invention.
FIG. 6 is a schematic diagram of another view of the plasma corona electric field unit according to the present invention.
In the figure: 11. a discharge section; 12. a water collection part; 13. an end support structure; 21. a first cross beam body structure; 22. a longitudinal beam body structure; 23. an electric hoist; 24. a second beam body structure; 3. and a limiting block.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
As shown in fig. 1-3, the plasma corona electric field device suitable for demisting a cooling tower in this embodiment includes four sets of longitudinal beam structures located on a peripheral platform of an outlet of a wind barrel of the cooling tower, at least two sets of plasma corona electric field mechanisms are movably installed in a vertical direction of the four sets of longitudinal beam structures, the plasma corona electric field mechanisms are used for forming a plasma corona electric field, the plasma corona electric field mechanisms are formed by sequentially arranging a plurality of sets of plasma corona electric field units, the plasma corona electric field units form a sub-plasma corona electric field, a limiting block 3 is disposed between two adjacent stages of plasma corona electric field mechanisms in the vertical direction of the cooling tower, a surrounding-shaped cross beam structure is disposed at the periphery of the at least two sets of plasma corona electric field mechanisms, the surrounding-shaped cross beam structure includes two sets of a first cross beam structure 21 and a second cross beam structure 22 which are perpendicular to each other, the limiting block 3 is specifically fixed at a lower end of the second cross beam structure 22 in each set of the plasma corona electric field mechanism, the tip of crossbeam body structure is equipped with electric hoist 23, and the tip of crossbeam body structure passes through electric hoist 23 slidable mounting on the girder iron structure, and wherein the girder iron structure adopts current steel construction equipment frame for the interval of adjacent two-stage plasma corona electric field mechanism is adjustable, can adjust the device apart from the height of cooling tower dryer, through the stopper 3 that sets up, makes the plasma corona electric field of two-stage have a distance all the time, forms the two-stage electric field, and eliminates influence between the electric field.
The first cross beam body structure 21 slides on the longitudinal beam body structure 22 through the electric hoist 23, the four groups of longitudinal beam body structures 22 can be integrally formed and can also be spliced, a driving device used for driving each electric hoist 23 to move is arranged on each longitudinal beam body structure 22, specifically, a hanging bracket is arranged at the top end of each longitudinal beam body structure 22, the driving device is an electric hoist arranged on the hanging bracket corresponding to each electric hoist 23 and used for driving the electric hoist 23 to lift, and the lifting of the electric hoist 23 is controlled by a PLC or other programs at a terminal.
First crossbeam body structure 21 in the plasma corona electric field mechanism of adjacent two-stage is respectively on plasma corona electric field system's length and width direction, and simultaneously, connect through plasma corona electric field unit between two first crossbeam body structures 21 on the length direction and between two first crossbeam body structures 21 on the width direction and form integratively, it is in fixed and stable plasma corona electric field unit, plasma corona electric field unit also fixes and stabilizes it, consequently, adjacent two-stage plasma corona electric field device is fixed and is stable to plasma corona electric field system from length direction and width direction respectively, very big improvement the holistic stability of system.
Of course, in order to further improve the stability of the plasma corona electric field system, an intermediate beam with two ends respectively fixed with the two first beam body structures 21 inside is arranged in each stage of the plasma corona electric field mechanism, at this time, the intermediate beam improves the stability of the whole plasma corona electric field system by improving the tensile strength of the first beam body structure 21, and the distribution direction of the intermediate beam is parallel to the plasma corona electric field units in the plasma corona electric field mechanism, so that the arrangement of the plasma corona electric field units is not influenced.
The plasma corona units in the adjacent plasma corona electric field mechanisms are perpendicular to each other, so that the electric field directions of the plasma corona electric fields formed by the two adjacent plasma corona electric field mechanisms are perpendicular to each other.
As shown in fig. 3 and 6, for plasma corona electric field unit, form sub-plasma corona electric field, including discharge portion 11 and water collection portion 12, discharge portion 11 and water collection portion 12 are in the interval staggered arrangement in proper order on perpendicular to cooling tower dryer export fog circulation direction, this interval forms sub-fog passageway, the both ends of discharge portion 11 and water collection portion 12 are fixed on different tip bearing structure 13, discharge portion 11 and water collection portion 12 pass through tip bearing structure 13 and install on the guide rail moving mechanism on the crossbeam body structure, the interval of discharging between discharge portion 11 and water collection portion 12 is the variable spacing. The discharge part 11 is composed of a plurality of groups of discharge electrodes in the vertical direction, the discharge electrodes are slidably mounted on the end supporting structure 13 through a guide rail moving mechanism, and the distance between the discharge electrodes is a variable distance. The guide rail moving mechanism is any one of the existing guide rail sliding mechanisms and is controlled by a PLC or other programs of a terminal.
Both ends of the discharge part 11 and the water collecting part 12 of the plasma corona electric field unit can be supported on the same end part supporting structure 13 together, also can be supported on two end part supporting structures 13 respectively, the above two modes are taken as common implementation modes, when the first mode is adopted, the adjustment of the position of the sub-plasma corona electric field unit is more convenient, and the second mode is adopted, the discharge part 11 and the water collecting part 12 are independent when being installed and replaced, the mutual interference and the influence can not be caused, by applying the scheme, the sub-plasma corona electric field unit in each level of plasma corona electric field can be replaced independently, and the maintenance is more facilitated.
The end supporting structure 13 on the plasma corona electric field unit is detachably arranged on the first cross beam body structure 21 on the corresponding side, the plasma corona electric field unit further comprises two groups of second cross beam body structures 24, the two groups of second cross beam body structures 24 are respectively connected with the ends of the two groups of first cross beam body structures 21 to form an enclosing structure, and the overall strength and stability of the plasma corona electric field device are improved.
In the plasma corona electric field unit that is located envelope avris, water catch portion 12 is located the outside of discharge portion 11, has pressure differential between discharge portion 11 and the water catch portion 12, and discharge portion 11 is the high-voltage end, and water catch portion 12 is direct ground connection usually, and then, this kind of mode for water catch portion 12 can shelter from discharge portion 11 of avris, improves the security.
When in installation, according to basic parameters of the cooling tower: the method comprises the steps of setting the distance between discharge wires in a discharge part in a plasma corona electric field unit in each stage of plasma corona electric field device, and then setting a plasma corona electric field system at a certain height of an air duct outlet of a cooling tower, wherein the height and the diameter of the air duct, the diameter and the power of a fan, the air speed and the circulation amount of the fan are included; when using, through collection induction element in the cooling tower and on the electric field device, gather cooling tower fan frequency, environment wet bulb temperature, environment wind direction and wind speed data transmission and handle in order to obtain the real-time operating mode of cooling tower in order to obtain control terminal, according to the real-time operating mode control plasma corona electric field device of cooling tower fog dissipation water conservation, concrete operation includes following operation:
(1) adjusting the distance between the plasma corona electric field device and the outlet of the cooling tower;
(2) adjusting the distance between two adjacent stages of plasma corona electric field mechanisms and the distance between adjacent plasma corona electric field units in each stage of plasma corona electric field mechanism, and demisting in blocks;
(3) different powers are adopted for each stage of plasma corona electric field mechanism to control the discharge density of different blocks.
Specifically, by adopting the plasma corona electric field system, the mist discharged from the cooling tower passes through the plasma corona electric fields of all levels in sequence by utilizing the plasma corona electric field system, and the position of the plasma corona electric field mechanism of each level in the flow direction of the mist is adjustable, so that on one hand, the distance between the plasma corona electric field mechanism and the outlet of the cooling tower can be adjusted, and on the other hand, the distance between the adjacent plasma corona electric field mechanisms of all levels can be adjusted, and by adopting the scheme, the distance between the plasma corona electric field and the cooling tower can be adjusted according to the wind speed in the cooling tower, so that the retention time of the mist in the mist channel is effectively matched with the power of the plasma corona electric field, the mist elimination and water saving effects are ensured, and meanwhile, by utilizing the step-type processing mode, after the mist is processed by the plasma corona electric field of the level closest to the cooling tower, the residual fog enters a secondary plasma corona electric field to be continuously treated so as to ensure the effective treatment of the fog and the recovery of moisture.
In addition, water drops formed by the plasma corona electric fields with more than two levels after fog dispersal treatment fall into the cooling tower, at the moment, the water drops inevitably pass through other plasma corona electric fields with the priority levels higher than the water drops, the water drops are formed by condensation, the temperature of the water drops is lower than that of fog, when the water drops pass through other plasma corona electric fields with the priority levels higher than the water drops, the condensation effect of the other plasma corona electric fields can be improved, meanwhile, interstage interval distribution can be formed among the stages through adjusting positions, the interval can be used for external natural wind to enter, and the condensation effect is further improved.
The electric field directions in the two adjacent stages of plasma corona electric fields are mutually vertical and distributed, and the fog can move to one side with low pressure under the action of the electric field in the fog channel to realize the separation of water and gas.
The plasma corona electric field units in each stage of plasma corona electric field mechanism are sequentially arranged in the direction vertical to the fog flow direction, the mode is adopted, the fog discharged by a plurality of sub-plasma corona electric fields is divided and respectively treated in the radial direction of the cooling tower, the fog-dispersing and water-saving functions are further improved, meanwhile, the electric field directions of the two adjacent stages of plasma corona electric fields are mutually vertically distributed, so that in the fog flow direction, in the two adjacent sub-plasma corona electric fields, water drops formed in the sub-plasma corona electric field with lower priority in the two adjacent sub-plasma corona electric fields pass through the sub-plasma corona electric field with higher priority from the plane vertical to the electric field direction in the sub-plasma corona electric field with higher priority, the motion resistance of the fog applied force of the electric field in the sub-plasma corona electric field with higher priority is reduced, the fluency is improved, the water and gas separation effect is improved, and the fog dispersal and water saving efficiency is stronger.
The distance between two adjacent rows of plasma corona electric fields is adjustable in the flow direction of mist, by adopting the mode, aiming at each stage of plasma corona electric field, through adjusting the distance between two adjacent rows of plasma corona electric fields inside the plasma corona electric field, on one hand, the interval for the external natural wind to enter is formed, the mist-eliminating and water-saving efficiency of each stage of plasma corona electric field can be improved, the interlayer distance between the plasma corona electric fields in each stage of plasma corona electric field can be adjusted, and the stage distance between two adjacent stages of plasma corona electric fields is combined for adjusting, so that the working condition of the cooling tower can be better matched, in addition, different powers can be adopted for each stage of plasma corona electric field according to the actual working condition of the cooling tower and the mist-eliminating and water-saving working condition of each stage of plasma corona electric field, the discharge densities of different blocks are controlled, the best effect is ensured, the energy conservation is realized, and the scientific and reasonable distribution of energy consumption is realized, the energy-saving and environment-friendly effect of the cooling tower is further improved, and meanwhile, the distance between the single-row wires of the discharge part can be adjusted within a certain numerical range according to the operation condition of the cooling tower, so that the best demisting and recycling effect is achieved, and the matching performance of the demisting and water saving function for the cooling tower is further enhanced.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (6)
1. The utility model provides a plasma corona electric field device suitable for cooling tower defogging, its characterized in that, including four group's girder body structures that are located the peripheral platform of cooling tower dryer export, movable mounting has at least two sets of plasma corona electric field mechanisms on four group's girder body structures's the vertical direction, plasma corona electric field mechanism is used for forming plasma corona electric field, be equipped with the stopper between cooling tower vertical direction's the adjacent two-stage plasma corona electric field mechanism, plasma corona electric field mechanism arranges in proper order by multiunit plasma corona electric field unit and forms, the periphery of at least two sets of plasma corona electric field mechanisms is equipped with the crossbeam body structure of envelope form, the tip of crossbeam body structure is equipped with the electric hoist, the tip of crossbeam body structure passes through electric hoist slidable mounting on the girder body structure.
2. The plasma corona electric field device for demisting a cooling tower as claimed in claim 1, wherein the electric field directions of the plasma corona electric fields formed by two adjacent stages of the plasma corona electric field mechanisms in the vertical direction of the cooling tower are perpendicular to each other.
3. The plasma corona electric field device suitable for demisting a cooling tower as claimed in claim 1, wherein the plasma corona electric field unit comprises a discharge part and a water collection part, the discharge part and the water collection part are arranged in a staggered manner at intervals in sequence in a direction perpendicular to a fog flow direction at an outlet of a wind barrel of the cooling tower, and the intervals form sub-fog channels.
4. The device of claim 3, wherein the discharge part and the water collection part are fixed at two ends on different end support structures, the discharge part and the water collection part are mounted on a guide rail moving mechanism on the beam body structure through the end support structures, and the discharge space between the discharge part and the water collection part is a variable space.
5. The plasma corona field device of claim 4 wherein said discharge portion comprises a plurality of vertically oriented sets of discharge electrodes slidably mounted on said end support structure by a rail moving mechanism, said discharge electrodes being spaced at varying intervals.
6. The plasma corona field device of claim 3 wherein said beam body forms an enclosure in which said water collection portion is located outside said discharge portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122229831.4U CN215810318U (en) | 2021-09-15 | 2021-09-15 | Plasma corona electric field device suitable for cooling tower defogging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122229831.4U CN215810318U (en) | 2021-09-15 | 2021-09-15 | Plasma corona electric field device suitable for cooling tower defogging |
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| Publication Number | Publication Date |
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| CN215810318U true CN215810318U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122229831.4U Active CN215810318U (en) | 2021-09-15 | 2021-09-15 | Plasma corona electric field device suitable for cooling tower defogging |
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- 2021-09-15 CN CN202122229831.4U patent/CN215810318U/en active Active
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