CN211964588U - Wet air electrostatic water condensing device - Google Patents
Wet air electrostatic water condensing device Download PDFInfo
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- CN211964588U CN211964588U CN202020378535.3U CN202020378535U CN211964588U CN 211964588 U CN211964588 U CN 211964588U CN 202020378535 U CN202020378535 U CN 202020378535U CN 211964588 U CN211964588 U CN 211964588U
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Abstract
The utility model relates to a device of humid air static condensate belongs to static technical application. The corona discharge of positive polarity and negative polarity is adopted to respectively generate a large amount of positive charges and negative charges in the two areas; wet air respectively enters into independent positive polarity corona area and negative polarity corona area to make water molecule carry positive and negative charges respectively; after mixing, water molecules carrying positive and negative charges attract each other under the action of coulomb force to be condensed; it also discloses a device for electrostatic wet air condensation, which comprises an inlet bell mouth, an air flow uniform distribution plate, a positive charge generator, a negative charge generator, a water condenser and an outlet bell mouth. The utility model has the advantages of it is following: the dehumidification device can recycle the water vapor, and has the advantages of small volume, simple structure, easy installation, low manufacturing and operating cost and high use safety.
Description
Technical Field
The utility model relates to a device of humid air static condensate belongs to static technical application.
Background
In the prior art, the humidity of the ambient air has important influence on the life and production of people. Bacteria and viruses are easy to breed in a humid environment, so that the health of people is seriously threatened, and skin, joints and other diseases can be induced in the humid environment after long-term life; in the production activities and industrial fields, the humid environment seriously interferes with the operation of various production tools such as machines, instruments, equipment and the like, for example, in scientific research, industry, medical health, instruments and meters, commodity storage, underground engineering, and high-humidity places such as computer rooms, file rooms, warehouses and the like, so that the instruments, computers, telecommunication equipment, medicines, data and the like are affected with dampness, corrosion and mildew, and serious economic and property loss is caused.
The currently used dehumidification methods mainly include a heat exchange dehumidification method, a compression dehumidification method, a rotary disc dehumidification method, a liquid absorption dehumidification method, a solid adsorption dehumidification method, and the like, but these dehumidification methods are difficult to recycle the water vapor in the humid air. For example, the rotating disc dehumidification method is to convert water vapor in humid air from one environment to another environment, and the dehumidification effect is poor; the liquid absorption method and the solid absorption method are difficult to separate water vapor from an absorbent or an adsorbent, and the dehumidification cost is high; although the heat exchange method and the compression method have excellent dehumidification effect, the water vapor is difficult to recover, such as white fog at the outlet of an industrial cooling tower, and although the heat exchange method can effectively eliminate the white fog, the water-saving effect is not achieved. Therefore, there is a need for a wet air dehumidification technology that can recycle water vapor.
Gaseous water liquefaction microcosmically shows that the distance between gaseous water molecules is shortened, and the electric precipitation technology is a process of trapping charged particles through particle charging under the action of an electrostatic field, so that water vapor in wet air can be liquefied through a high-voltage electrostatic field by utilizing the principle of electric precipitation. Chinese patent publication No. CN2589860Y discloses an electrostatic condensing dehumidifier based on the principle of electrostatic dust removal, which has a high voltage electrostatic generator, specifically, a corona wire and a net-shaped water collecting plate, between which a high voltage is applied, and the wet air molecules are collected and condensed into water by the net-shaped water collecting plate under the action of high voltage electrostatic. The patent considers water molecules as particles, and expects the high-voltage electrostatic field to have trapping effect on the water molecules to condense water. However, in practical application, the device is found to have a certain effect of capturing the fog drops existing in the humid air, and has little influence on the action of water vapor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of proposing among the above-mentioned background problem, provide a method and device of humid air static condensate, it is applicable in the humid air condition of big amount of wind, high humidity, can long-time continuous operation, and efficient, with low costs, operation safe and reliable.
The purpose of the utility model is realized like this: a wet air electrostatic water condensation device comprises an inlet bell mouth, an air flow uniform distribution plate, a positive charge generator, a negative charge generator, a water condenser and an outlet bell mouth, and an integral shell is formed and is grounded;
the inlet bell mouth and the outlet bell mouth are arranged on two sides of the shell;
the air flow uniform distribution plate is arranged at the inlet end of the inlet bell mouth;
the positive charge generator and the negative charge generator are arranged in parallel and are arranged at the rear end of the airflow uniform distribution plate along the airflow direction, so that the positive charge generator and the negative charge generator are positive charge and negative charge generating devices, are flow channels of saturated wet air, belong to water molecule in-situ charging devices, do not need additional charge source injection, simplify the structural arrangement and effectively reduce the volume of the device.
The water condenser is arranged at the rear ends of the positive charge generator and the negative charge generator along the airflow direction.
The positive charge generator is driven by a positive polarity high-voltage direct current power supply;
the negative charge generator is driven by a negative polarity high voltage direct current power supply.
The positive polarity high-voltage direct current power supply drives a plurality of anode wires;
the negative polarity high voltage direct current power supply drives a plurality of cathode lines.
The positive charge generator is a cuboid and comprises a positive charge generator shell, a plate electrode, an anode line and a positive polarity high-voltage direct-current power supply;
the positive charge generator shell is connected with the low-voltage end of the positive-polarity high-voltage direct-current power supply and is grounded;
the anode line is arranged in the center of the positive charge generator along the airflow direction and is connected with the high-voltage end of the positive-polarity high-voltage direct-current power supply;
the negative charge generator is a cuboid, comprises a negative charge generator shell, a cathode wire and a negative polarity high-voltage direct current power supply, and shares a plate electrode with the positive charge generator;
the plate electrode is connected with the positive charge generator shell and the negative charge generator shell;
the negative charge generator shell is connected with the low-voltage end of the negative-polarity high-voltage direct-current power supply and is grounded;
the cathode line is arranged in the center of the negative charge generator along the airflow direction and is connected with the high-voltage end of the negative-polarity high-voltage direct-current power supply;
the positive charge generator housing and the negative charge generator housing are in direct contact.
The water condenser comprises a first layer of water condensation net and a second layer of water condensation net which are arranged in the shell;
the central axis of the first layer of the water condensation net is overlapped with the plate electrode in the horizontal direction, and the length of the first layer of the water condensation net in the vertical direction is equal to the distance between the anode wire and the cathode wire;
the area of the second layer of the water condensation net is equal to the cross section area of the integral shell;
the two layers of the water condensation nets are directly connected with the positive charge generator shell and the negative charge generator shell and are grounded.
When the utility model discloses a device work back of humid air static condensate, humid air flows through respectively uniformly, the negative charge generator, can carry out the ionization to the air molecule in the humid air, produce a large amount of positive respectively, the negative charge is and caught by the hydrone, the hydrone of carrying the xenogenesis electric charge intensive mixing and condensate in the blender, the condensate net of ground connection further promotes the condensation of lotus electric hydrone simultaneously, condensate discharges from the entry horn mouth under the action of gravity, the condensate to the vapor in the humid air and retrieve have been realized.
Compared with the prior art, the utility model relates to a method and device of humid air static condensate have following advantage:
1. the volume is small, the occupied area is small, the construction and the installation are convenient, the construction and the operation cost is low, and the efficiency is high;
2. the condensed water can be formed by using dry air in the humid air as a charge source of water vapor, and the charge source is not required to be injected from the outside;
3. the water condensation effect is more than 10 times higher than that of static water condensation with the same charge, and the water condensation efficiency is high;
4. the device can continuously operate for a long time, the discharge output voltage is low, and the operation is safe and stable;
5. the application range of the temperature and the humidity of the humid air is large;
6. the multiple sets of positive and negative charge generators are easy to use together, and the construction cost and the operation cost are far lower than those of the prior large-scale air dehumidifier.
Drawings
Fig. 1 is a schematic top view of the device for electrostatic wet air condensation of the present invention.
Fig. 2 is a schematic view of a vertical surface of the device for electrostatic wet air condensation of the present invention.
Fig. 3 is a schematic side view of the positive charge generator and the negative charge generator of the device for electrostatic water condensation of humid air according to the present invention.
Fig. 4 is a schematic side view of a water condensing net of the electrostatic wet air water condensing device of the present invention.
Fig. 5 is a schematic side view of a positive charge generator and a negative charge generator according to another embodiment of the present invention.
Wherein:
1. an inlet bell mouth; 2. an air flow uniform distribution plate; 3. a positive charge generator; 3.1, anode wires; 3.2, a positive charge generator shell; 3.3, a positive polarity high voltage direct current power supply; 3.4, a plate electrode; 4. a negative charge generator; 4.1, cathode lines; 4.2, a negative charge generator housing; 4.3, a negative polarity high-voltage direct-current power supply; 5. a water condenser; 5.1, a first layer of water condensation net; 5.2, a second layer of water condensation net; 6. and (4) an outlet bell mouth.
Detailed Description
The invention is described below with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 to 4, a device for electrostatic condensation of humid air comprises an inlet bell mouth 1, an airflow uniform distribution plate 2, a positive charge generator 3, a negative charge generator 4, a water condenser 5 and an outlet bell mouth 6, which form an integral shell and are grounded;
the inlet bell mouth 1 and the outlet bell mouth 6 are arranged at two sides of the shell;
the air flow uniform distribution plate 2 is arranged at the inlet end of the inlet bell mouth 1;
the positive charge generator 3 and the negative charge generator 4 are arranged in parallel and are arranged at the rear end of the airflow uniform distribution plate 2 along the airflow direction;
the water condenser 5 is disposed at the rear ends of the positive charge generator 3 and the negative charge generator 4 in the air flow direction.
In the embodiment, the inlet bell mouth 1 is an air inlet of wet air, the change ratio of the flow area of the necking and the flaring is less than or equal to 1:4, the gradient of the inlet bell mouth is less than or equal to 45, and the inlet bell mouth is made of stainless steel metal;
the uniform air distribution plate 2 is arranged at the flaring end of the inlet bell mouth 1, the resistance of the uniform air distribution plate 2 is less than or equal to 20Pa, and the uniform air distribution plate is made of polytetrafluoroethylene and is hydrophobic, so that the accumulation of condensed water is not easy to cause.
In the embodiment, the positive charge generator 3 and the negative charge generator 4 are arranged in parallel and are arranged at the rear end of the airflow uniform distribution plate 2, are both positive charge and negative charge generating devices and flow channels of saturated wet air, belong to water molecule in-situ charging devices, do not need additional charge source injection, simplify the structural arrangement and effectively reduce the volume of the device;
the positive charge generator 3 is driven by a positive polarity high voltage direct current power supply 3.3;
the negative charge generator 4 is driven by a negative polarity high voltage dc power supply 4.3.
The positive polarity high voltage direct current power supply 3.3 drives a plurality of anode wires 3.1;
the negative polarity high voltage dc power supply 4.3 drives a plurality of cathode lines 4.1.
The positive charge generator 3 is a cuboid and comprises a positive charge generator shell 3.2, a plate electrode 3.4, an anode wire 3.1 and a positive polarity high-voltage direct-current power supply 3.3;
the positive charge generator shell 3.2 is connected with the low-voltage end of the positive-polarity high-voltage direct-current power supply 3.3 and is grounded;
the anode wire 3.1 is arranged at the center of the positive charge generator 3 along the airflow direction and is connected with the high-voltage end of the positive polarity high-voltage direct current power supply 3.3;
the negative charge generator 4 is a cuboid, comprises a negative charge generator shell 4.2, a cathode wire 4.1 and a negative polarity high-voltage direct current power supply 4.3, and shares a plate electrode 3.4 with the positive charge generator 3;
the plate electrode 3.4 is connected to a positive charge generator housing 3.2 and a negative charge generator housing 4.2;
the negative charge generator shell 4.2 is connected with the low-voltage end of a negative-polarity high-voltage direct-current power supply 4.3 and is grounded;
the cathode wire 4.1 is arranged in the center of the negative charge generator 4 along the airflow direction and is connected with the high-voltage end of a negative polarity high-voltage direct-current power supply 4.3;
the positive charge generator housing 3.2 and the negative charge generator housing 4.2 are in direct contact.
In this embodiment, the positive charge generator housing 3.2 may be a rectangular air flow channel with a size of a × a × b formed by 4 rectangular stainless steel flat plates with a size of a × b, and connected to the ground terminal of the positive polarity high voltage dc power supply 3.3 through a metal wire, so that the rectangular air flow channel is easy to install and to be seamlessly connected to the inlet bell mouth 1 and the outlet bell mouth 6;
the anode wire 3.1 is a stainless steel wire with the diameter less than or equal to 1mm, is arranged in the center of the rectangular gas flow channel along the gas flow direction and is connected with the high-voltage end of the positive polarity high-voltage direct-current power supply 3.3 through a metal lead;
in this embodiment, the negative charge generator housing 4.2 may be a rectangular stainless steel plate with a size of 4 pieces a × b, and a rectangular airflow channel with a size of a × a × b is formed and connected to the ground terminal of the negative polarity high voltage dc power supply 4.3 through a metal wire, so that the rectangular airflow channel is easy to install and to be seamlessly connected to the inlet bell mouth and the outlet bell mouth; the cathode wire 4.1 is a stainless steel wire with the diameter less than or equal to 1mm, is arranged in the center of the rectangular airflow channel along the airflow direction and is connected with the high-voltage end of a negative-polarity high-voltage direct-current power supply 4.3 through a metal wire;
in the embodiment, the number of ions is far greater than that of water molecules in wet air after corona discharge occurs, so that the water molecules are charged sufficiently, and in order to improve the electric energy utilization rate, preferably, the output voltage of the positive polarity high-voltage direct-current power supply 3.3 is more than or equal to 10kV, the output current is more than or equal to 2mA, and the output frequency is 50 Hz-300 Hz; the output voltage of the negative polarity high-voltage direct-current power supply 4.3 is more than or equal to 15kV, the output current is more than or equal to 2mA, the output frequency is 50 Hz-300 Hz, the required output voltage is reduced under the condition of keeping the operation of lower output current, the power consumption is saved, the use safety is high, the insulation requirement is reduced, the safety distance is shortened, and the space utilization rate is high;
in this embodiment, the plate electrode 3.4 shared by the positive charge generator 3 and the negative charge generator 4 is a rectangular stainless steel plate with a size of a × b; a is not less than 50mm and not more than 100 mm;
when a is less than 50mm, spark discharge is easily generated between the plate electrode and the line electrode, so that the operation is unstable;
when a is larger than 100mm, the distance between the plate electrode and the line electrode and the discharge difficulty are increased, the implementation can be realized by additionally increasing the output voltage, the power consumption is improved, and the instability of operation is increased;
the size of the rectangular stainless steel flat plate is more than or equal to 2a and less than or equal to 4 a; b is more than or equal to 2a to ensure the sufficient ionization of the gas to ensure the sufficient charge of the water molecules, and b is less than or equal to 4a to prevent the charged water molecules from being trapped by the plate electrodes to pass the charges, thereby saving the equipment cost.
The water condenser 5 comprises a first layer of water condensation net 5.1 and a second layer of water condensation net 5.2 which are arranged in the shell;
the central axis of the first layer of the water condensation net 5.1 is overlapped with the plate electrode 3.4 in the horizontal direction, and the length in the vertical direction is equal to the distance between the anode line 3.1 and the cathode line 4.1;
the area of the second layer of the water condensation net 5.2 is equal to the cross section area of the whole shell;
both layers of the water condensation network are connected directly to the positive charge generator housing 3.2 and the negative charge generator housing 4.2 and to ground.
In this embodiment, the first layer of water condensation net 5.1 and the second layer of water condensation net 5.2 are both stainless steel metal nets, and are connected with the shell, and the mesh number is 300, and the water condensation nets are arranged along the airflow direction.
In the embodiment, in order to ensure the smooth operation of corona discharge and the sufficient ionic charge generated by the charge generator, the temperature of the humid air is less than or equal to 95 ℃; for a set of positive and negative charge generators, the total flow rate of the humid air is less than or equal to 3.6ab x 10-3m3/h；
In order to improve humid air treatment flow, the utility model discloses can carry out n group positive, negative charge generator use simultaneously, the multiunit is used simultaneously can strengthen the torrent intensity of lotus water molecule at the blender, promotes the condensation effect, and the condensation volume S of n group positive, negative charge generator used simultaneously will be far greater than nxa, and above-mentioned a refers to the condensation volume that a set of positive, negative charge generator used.
A method of electrostatically condensing humid air comprising the steps of:
the method comprises the following steps: through positive and negative corona discharge, a large amount of positive and negative charges are respectively generated in the two areas;
step two: wet air respectively enters into independent positive polarity corona area and negative polarity corona area to make water molecule carry positive and negative charges respectively;
step three: the water molecules carrying positive and negative charges after mixing are mutually attracted and condensed under the action of an electrostatic field.
The corona region is a corona discharge region, gas is ionized in the region and generates a large amount of ionic charges, and a charge source is provided for the charge of water molecules;
the positive corona discharge is driven by a positive high-voltage direct-current power supply, and the negative corona discharge is driven by a negative high-voltage direct-current power supply;
in the present embodiment, in order to make the process proceedThe water molecule content in the positive corona area and the negative corona area is the same, the air flow organization optimization is carried out before the wet air enters the positive corona area and the negative corona area respectively, the air flow speed root mean square on the inlet section of the two corona areas
；
In order to prevent the accumulation of condensed water from causing unstable phenomena such as creepage, power supply short circuit and the like and realize the recovery of the condensed water, the angle between the air flow direction and the horizontal plane is more than or equal to 75 degrees.
In this embodiment, the utility model discloses a humid air static condensate method is to start above-mentioned device, switch on behind positive polarity high voltage direct current power supply 3.3 and negative polarity high voltage direct current power supply 4.3, positive charge generator 3 and negative charge generator 4 produce a large amount of positive charges and negative charge respectively, humid air is by import horn mouth 1 through airflow equipartition board 2 evenly get into positive charge generator 3 and negative charge generator 4, the hydrone in the humid air is charged positive charge and negative charge respectively, then get into condenser 5, because first layer condensate net 5.1 and second floor condensate net 5.2 ground connection are zero potential, form the electrostatic field between positive pole line 3.1 and the negative pole line 4.1, the hydrone gathering of ordering the electric charge is on the condensate net, positive on the condensate net surface, the mutual attraction of hydrone of negative charge and condense into water, thereby realize the static condensate of humid air.
In this embodiment, under the condition that the positive charge generator 3 and the negative charge generator 4 are closed, saturated humid air with volume flow of 5L/min and dry-bulb temperature of 85 ℃ enters the humid air electrostatic water condensing device, and 300ml of condensed water is obtained by natural condensation after 1 h; and starting the positive charge generator 3 and the negative charge generator 4, operating the positive polarity high-voltage direct current power supply 3.3 by using parameters of output voltage 10kV, output current 2mA and output frequency 50Hz, operating the negative polarity high-voltage direct current power supply 4.2 by using parameters of output voltage 15kV, output current 2mA and output frequency 50Hz, obtaining 1100ml of condensed water after 1h, and obtaining the condensed water yield of 16ml/W per unit energy consumption.
Example 2:
as shown in fig. 5, this embodiment is different from embodiment 1 in that N anode lines 3.1 and N cathode lines 4.1 are used for the positive charge generator 3 and the negative charge generator 4, respectively;
the N anode wires 3.1 are connected with the high-voltage end of the positive polarity high-voltage direct current power supply 3.3 in parallel;
the N cathode lines 4.1 are connected with the high-voltage end of a negative polarity high-voltage direct current power supply 4.3 in parallel.
The present embodiment is advantageous in that the positive charge generator 3 and the negative charge generator 4 operate at higher power to increase the processing flow rate of the humid air and to increase the condensate yield per unit energy consumption.
Other technical features and technical methods of the embodiment 2 are the same as those of the embodiment 1.
The above is only the specific application example of the present invention, and the protection scope of the present invention is not limited at all, and the technical solution formed by adopting equivalent transformation or equivalent replacement all falls within the protection scope of the present invention.
Claims (5)
1. The utility model provides a device of humid air static condensate which characterized in that: the device comprises an inlet bell mouth (1), an air flow uniform distribution plate (2), a positive charge generator (3), a negative charge generator (4), a water condenser (5) and an outlet bell mouth (6), and forms an integral shell which is grounded;
the inlet bell mouth (1) and the outlet bell mouth (6) are arranged on two sides of the shell;
the air flow uniform distribution plate (2) is arranged at the inlet end of the inlet bell mouth (1);
the positive charge generator (3) and the negative charge generator (4) are arranged in parallel and are arranged at the rear end of the airflow uniform distribution plate (2) along the airflow direction;
the water condenser (5) is arranged at the rear ends of the positive charge generator (3) and the negative charge generator (4) along the airflow direction.
2. The apparatus for electrostatic precipitation of wet air as claimed in claim 1, wherein: the positive charge generator (3) is driven by a positive polarity high voltage direct current power supply (3.3);
the negative charge generator (4) is driven by a negative polarity high voltage direct current power supply (4.3).
3. The apparatus for electrostatic precipitation of wet air as claimed in claim 2, wherein: the positive polarity high-voltage direct current power supply (3.3) drives a plurality of anode wires (3.1);
the negative polarity high voltage direct current power supply (4.3) drives a plurality of cathode lines (4.1).
4. The apparatus for electrostatic precipitation of wet air as claimed in claim 1, wherein: the positive charge generator (3) is a cuboid and comprises a positive charge generator shell (3.2), a plate electrode (3.4), an anode wire (3.1) and a positive polarity high-voltage direct-current power supply (3.3);
the positive charge generator shell (3.2) is connected with the low-voltage end of the positive-polarity high-voltage direct-current power supply (3.3) and is grounded;
the anode wire (3.1) is arranged in the center of the positive charge generator (3) along the airflow direction and is connected with the high-voltage end of the positive-polarity high-voltage direct-current power supply (3.3);
the negative charge generator (4) is a cuboid, comprises a negative charge generator shell (4.2), a cathode wire (4.1) and a negative polarity high-voltage direct current power supply (4.3), and shares a plate electrode (3.4) with the positive charge generator (3);
the plate electrode (3.4) is connected with the positive charge generator housing (3.2) and the negative charge generator housing (4.2);
the negative charge generator shell (4.2) is connected with the low-voltage end of the negative-polarity high-voltage direct-current power supply (4.3) and is grounded;
the cathode wire (4.1) is arranged in the center of the negative charge generator (4) along the airflow direction and is connected with the high-voltage end of the negative-polarity high-voltage direct-current power supply (4.3);
the positive charge generator housing (3.2) and the negative charge generator housing (4.2) are in direct contact.
5. The apparatus for electrostatic precipitation of wet air as claimed in claim 1, wherein: the water condenser (5) comprises a first layer of water condensation net (5.1) and a second layer of water condensation net (5.2) which are arranged in the shell;
the central axis of the first layer of the water condensation net (5.1) is superposed with the plate electrode (3.4) in the horizontal direction, and the length of the vertical direction is equal to the distance between the anode wire (3.1) and the cathode wire (4.1);
the area of the second layer of water condensation net (5.2) is equal to the cross section area of the whole shell;
both layers of the water condensation net are directly connected with the positive charge generator shell (3.2) and the negative charge generator shell (4.2) and are grounded.
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| CN202020378535.3U CN211964588U (en) | 2020-03-24 | 2020-03-24 | Wet air electrostatic water condensing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021189779A1 (en) * | 2020-03-24 | 2021-09-30 | 双良节能系统股份有限公司 | Method and apparatus for electrostatic water condensation of wet air |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021189779A1 (en) * | 2020-03-24 | 2021-09-30 | 双良节能系统股份有限公司 | Method and apparatus for electrostatic water condensation of wet air |
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