JP4402188B2 - Vertical column type wide area spray humidifier - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a water spray humidifier used to humidify a wide air-conditioned space.
[0002]
[Prior art]
What is conventionally used as this type of humidifier is that a water pipe is arranged in a lattice shape at right angles to the flow path of the air to be humidified, and a number of spray nozzles are attached to the water pipe. A method of mixing the spray sprayed from the air and the air to be humidified is employed. However, if this method is directly adopted in the air-conditioned space, the grid-like pipes widely cross the air-conditioned space, which causes an inconvenience of becoming an obstacle in the space.
[0003]
[Problems to be solved by the invention]
It is an object of the present invention to obtain a water spray type humidifier that can be installed without widely traversing an air-conditioned space and has a high humidification capacity.
[0004]
[Means for Solving the Problems]
One of means for solving the above-mentioned problem is that, as described in claim 1, a plurality of air nozzles for generating a spiral swirl airflow are provided around the spray nozzle, and the spray and air are mixed. An air book for constituting a mixing promoting device for stirring, providing the mixing promoting device in multiple stages on a support column standing in an area where the air to be humidified flows, and supplying air to the mixing promoting device inside the support column It is configured as a tube, and a swirling humidified airflow coming out of the mixing promoting device is caused to flow into the flow of the humidifying target air.
[0005]
According to this means, the sprays emitted from the spray nozzles of the multi-stage mixing promoting device become spiral swirling airflows formed by the air nozzles and swirling humidified airflows mixed and stirred with the ambient air to be attracted from the column positions. It is discharged far, and the air stream to be humidified is mixed and diffused while colliding with each swirling humidified airflow, and a uniform humidified state is obtained in the height direction of the air to be humidified.
[0006]
Another means for solving the above problems, as described in claim 2, Te claim 1 smell, established the mixing enhancement device before Symbol spray and air-staged to at least one side of the main pillar, The air passage supplied to the air nozzle of the mixing promoting device is branched from the air main pipe.
[0007]
According to this means, air is distributed from the air main pipe in the support column to the multistage mixing promoting device provided on at least one side of the support column, and each swirling humidified airflow coming out of the mixing promoting device is a target air stream to be humidified. Will collide and diffuse from the side or side.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes an upright column type wide area spray humidifying device of the present invention, 2 is a hollow support that supports the whole of the device 1, the inside of which is an air main pipe 2 a, and a blower 2 b attached to the support 2. , 2c. On both side surfaces of the main column 2, a mixing promoting device 3 for mixing spray and air is provided in four steps on the left and right. The spray humidifier 1 is installed on the upstream side of the air conditioning area 4 so as to face the flow of the air 5 to be humidified, and the left and right mixing promoting devices 3.3... Are connected to the flexible tube 6. Then, it is arranged in a direction inclined with respect to the direction of the humidifying target air 4 and humidifies the area A.
[0009]
As shown in FIG. 2, the mixing promoting device 3 includes a spray nozzle 7 and an air supply unit 8. The spray nozzle 7 has a nozzle hole 7i at the front end, and a water pipe 7a and a compressed air pipe 7b are connected to the side parts. It is, to a compressed air pipe 7b is supplied with compressed air of about 3 atmospheres, to eject the spray S ₁ from the nozzle hole 7i by sucking water jet force of the compressed air. The air supply unit 8 includes an air chamber 8a, six air blowing pipes 8b protruding from the front surface at equal intervals, and an air nozzle 8c at the front end thereof. The air discharge pipe 8b has an arbitrary shape. can be curved, after being curved flexible tube is used that can maintain its shape, each of the air nozzles 8c are bent in a direction to form a helix angle, high-speed air stream a ₁ from each of the air nozzles 8c Erupts. In addition, an induced airflow A ₂ is generated by this high-speed airflow A ₁ , and each airflow A ₁ , A ₂ becomes a spiral swirl flow and merges with the spray S ₁ to stir the mist droplets. It becomes a low concentration swirling humidified air flow S ₂ and diffuses.
[0010]
The humidifying target air 5 is supplied in the direction of the line 0 ₁ at a speed of 0.5 to 3 m / sec, whereas the spray S ₁ or the swirling humidified air flow S ₂ has an inclination angle α = 30 to 90 °. It flows in the direction of the line 0 ₂ to form an angle. Accordingly, the swirling humidified airflow S ₂ is blown to the humidifying target air 5 and turns obliquely backward to flow to become the redirected humidified airflow S ₃ .
[0011]
In FIG. 1, 9 is a pure water pipe, 10 is a compressed air pipe, and the pipes 9 and 10 are connected to the water pipe 7a and the compressed air pipe 7b via branch pipes 9a and 10a and hoses 9b and 10b. Yes.
[0012]
In addition, a partition damper 11 that is normally closed is provided in the middle of the connection portion of the blowers 2b and 2c in the support column 2 so that the air main pipe 2a is divided into two in the vertical direction, and the air in the mixing promotion device 3 in the upper half portion. Air is sent from the upper blower 2b to the nozzle 8c through the flexible tube 6, and the lower half of the mixing promoting device 3 is fed from the lower blower 2c. Can be operated or controlled. 11a is the adjustment handle of the damper 11, and when the damper 11 is opened, the upper and lower halves can be operated together. In the figure, reference numeral 12 denotes an operation control panel, and 13 is the equipment basis of the humidifying device 1. The operation control panel 12 adjusts the amount of water supplied to the mixing promoting device 3, the air pressure, etc., and humidity control is performed.
[0013]
FIG. 3 shows the operating state of the spray humidifying device 1 of the present invention, the partition damper 11 is closed, and the spray nozzle 7 of each mixing promoting device 3 is supplied with pure water and compressed air as described above. The blowers 2b and 2c are operated. Spray S ₁ is ejected from the spray nozzle 7 is released as turning humidified airflow S ₂ are stirred and mixed by swirling airflow exiting from the air nozzles 8c.
[0014]
Since the humidification object air 5 for this swirling humidified airflow S ₂ collides obliquely from the front or side at an inclination angle alpha, turning the humidified air stream S ₂ is a diverting humidified air flow S ₃ curved rearward. These swirling humidified airflow S ₂ and deflection humidified air flow S _3, since the terminal side is larger in diameter by centrifugal force, the upper and lower airflow S _2, S ₂ and the airflow S _3, S ₃ and stirred to collide with each other As a result, mixing is promoted, and a supersaturated air layer having a width W and a height H is formed on the left and right of the support column 2 and extends to the area A, and the left and right supersaturated air layers are combined on the downstream side to form a homogeneous conditioned air layer. Flows into the air-conditioned space. In the conventional system in which the water pipes are arranged in a lattice shape, the space having the width W is occupied by the water pipe. In the present invention, this space is used for maintenance, article transportation, and the like. Can be used.
[0015]
In the above embodiment, the mixing promotion device 3 is provided in four stages on both sides of the support column 2, but depending on the width and height of the space to be air-conditioned, the number of support columns provided with the device 3 is increased, The number of stages of the device 3 can be increased or decreased.
[0016]
【The invention's effect】
As is apparent from the above description, according to the means of claim 1, a supporting column is erected in the space in which the air to be humidified flows, and the spray from the spray nozzle is mixed and stirred with the swirling airflow and the induced airflow to swirl the humidified airflow. A multi-stage mixing promotion device is provided on the support column to release the swirling humidified airflow into the humidified airflow, so that a large amount of humidified air in which mist and air are sufficiently mixed is generated and supplied evenly over a wide range. It can be applied to large spaces such as factories and halls. In addition, since each mixing promoting device is supported by only one column, there is an effect that the humidifying device does not get in the way even if it is installed in a maintenance space or a space where an article is carried in and out.
[0017]
In addition, if the dimensions and capacity of the mixing promotion device are standardized, an appropriate number of mixing promotion devices may be used according to the size of the humidification target space and the required humidity, and the design is easy.
[0018]
According to the second aspect of the present invention, since the swirling humidified airflow is generated by the mixing promoting device provided on at least one side of the support column, there is an effect that a large amount of humidified air can be sent to the conditioned space.
[Brief description of the drawings]
FIG. 1 is a perspective view of an embodiment of the present invention. FIG. 2 is a perspective view of a mixing promoting device. FIG. 3 is a perspective view showing an operating state.
2 Strut 3 Mixing Promoter 4 Air-Conditioning Area 5 Humidification Target Air 6 Flexible Pipe 7 Spray Nozzle 7a Water Pipe 7b Compressed Air Pipe 8c Air Nozzle

Claims (2)

A plurality of air nozzles that generate spiral swirling airflow are installed around the spray nozzle to form a mixing promotion device that mixes and stirs the spray and air. The mixing promoting device is provided in multiple stages, and the inside of the column is configured as an air main for supplying air to the mixing promoting device , and the swirling humidified airflow coming out of the mixing promoting device is used for the air to be humidified. An upright column type wide area spray humidifier characterized by flowing into the flow. The Te claim 1 smell, a mixing enhancement device before Symbol spray air is installed multiple stages on at least one side of the main pillar, the air passage for supplying the air nozzles of the mixing enhancement devices, and branched from the air main pipe Vertical column type wide area spray humidifier.

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