KR20120127159A - Hot blast heater and dryer using superheated steam - Google Patents

Abstract

PURPOSE: A hot blast heater and drier using overheated steam are provided to enhance heating and drying efficiency and a quality of a drying object by using the overheated steam as a drying medium. CONSTITUTION: A hot blast heater using overheated steam comprises a housing(10), a water tank(20), a steam generating member(30), a duct(40), a first fan(50), a first heater(60), and a second fan(70). An outlet is formed on the top of the housing. The water tank is mounted in an inner one side of the housing. The steam generating member comprises an ultrasonic oscillator. The ultrasonic oscillator applies ultrasonic waves to water being supplied from the water tank. The lower part of the duct is arranged on the top of the steam generating member and the top of the duct is connected to the outlet of the housing. The first fan transfers the steam generated by the steam generating member to the duct. The first heater is mounted on the duct, thereby generating overheated steam by heating the steam passing through the duct. The overheated steam is mixed with air flowing from the outside by the second fan, thereby being discharged through the outlet of the housing.

Description

Hot air heater and dryer using superheated steam {HOT BLAST HEATER AND DRYER USING SUPERHEATED STEAM}

The present invention relates to a hot air fan and a dryer using superheated steam produced by heating steam.

In general, a hot air heater or a dryer heats air through a heating means such as a heater to increase the temperature, and then uses a hot air to increase the room temperature or to dry an object.

However, a hot air heater using such hot air has a disadvantage in that the heating efficiency decreases as the time takes to raise the temperature of the corner of a place where the temperature is to be increased, and the dryer using the hot air does not evenly apply the hot air to the object. Therefore, there is a disadvantage in that the drying efficiency over the entire object is reduced only to local drying.

The reason for such a result is that heating or drying is performed using hot air, that is, heated air, and an alternative method for this has been required.

Accordingly, interest in using superheated steam as a heat source has recently increased, and superheated steam generally refers to a steam having a high heat quantity heated to more than the saturation temperature by further heating the saturated steam even at a saturation pressure.

The conventional superheated steam generator generates a large amount of superheated steam in a short time by heating saturated steam supplied from a boiler, etc. The superheated steam generated by the generator is higher temperature and finer than the saturated steam, so it is a heat source of food cookware or dryer. Is being used.

Cooking utensils using superheated steam have the characteristic of heating food uniformly so that the food does not burn locally, and it is easy to control the temperature and supply of superheated steam, which makes it easy to control the cooking characteristics as well as oxidation by steam. It does not change taste.

However, since the conventional superheated steam generator has a structure in which complex components including a screw-type fin heater are built in order to secure a cross-sectional area required for generating and treating superheated steam, various costs are increased. As a result, the cost of maintenance and repair has increased.

In addition, the superheated steam generator is not only difficult to obtain a superheated steam with a uniform temperature due to the complicated variation of the steam flow rate, but also a deterioration of the internal parts in case of local overheating of the heat pipe itself due to the variation in the flow rate. There was a problem that the durability is reduced.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a hot air fan and a dryer using superheated steam to improve heating and drying efficiency by using superheated steam.

Another object of the present invention is to provide a hot air heater and a dryer using superheated steam whose structure is simple and manufacturing and maintenance costs can be reduced.

An object of the present invention described above, the ultrasonic wave to apply ultrasonic waves to the housing having a discharge port formed on the upper end, a water tank mounted on one side of the inside of the housing, and the other side of the housing and supplied from the water tank Steam generating means having a vibrator, a lower end is located above the steam generating means and the upper end is connected to the discharge port of the housing, and provided on one side of the steam generating means to generate steam generated by the steam generating means A first fan to move to the duct, a first heater mounted on the duct to heat the steam passing through the duct, and a superheater mounted on the upper side of the duct so that the superheated steam flows from the outside Warm air using superheated steam including a second fan mixed with air to discharge to the discharge port of the housing By providing a group and a dryer.

The apparatus may further include a second heater mounted on the duct so as to be adjacent to the discharge port of the housing and heating the mixed superheated steam and air before discharged to the discharge port of the housing.

And a temperature sensor mounted on the duct to measure a temperature of the mixed superheated steam and air passing through the duct.

And provided below the water tank, it may further include a water supply control means for adjusting the amount of water supplied from the water tank to the steam generating means.

In addition, the above object of the present invention, the housing is formed with a discharge port on the upper surface, the first fan is located inside the lower side of the housing, coupled to the upper portion of the first fan and the upper end is connected to the discharge port of the housing A first duct mounted with a first heater for heating air introduced and moved by the first fan, and an ultrasonic vibrator positioned at an upper side of the housing to apply ultrasonic waves to water supplied from a water supply means; A steam generating means having a second fan coupled to one side of the steam generating means to move the steam generated by the steam generating means, one end of which is coupled to the other side of the steam generating means, and the other end of the first duct The second duct is bent upward through the upper end side of the second duct is mounted so that the steam moved by the second fan is heated to generate superheated steam. W, the air through the second superheated steam from the first duct through a duct of a mixture can be achieved by providing a fan heater and dryer with superheated steam characterized in that to the discharge the discharge port of the housing.

According to the hot air heater and the dryer using the superheated steam according to the present invention, the superheated steam has an effect of excellent heating efficiency and drying efficiency.

In addition, since the superheated steam is used as a drying medium, the quality of the dried product is improved and environmental pollutants are not emitted. In particular, when drying the agricultural and marine products, the browning phenomenon is less, as in the dry state.

In addition, the drying speed is faster than the general hot air drying method has the effect that can be shortened.

In addition, heating by using superheated steam is a continuous supply of moisture, far infrared rays by a large amount of far-infrared heater is suppressed the growth of various bacteria, fungi, etc., and activates the human tissue or plant tissues.

1 is a cross-sectional view showing the inside of a hot air fan using superheated steam according to an embodiment of the present invention.
Figure 2 is a view showing one side of the hot air fan using the superheated steam shown in FIG.
Figure 3 is a cross-sectional view showing the inside of a hot air fan using superheated steam according to another embodiment of the present invention.
Figure 4 is a view showing a plan view of one main part of the hot air heater using the superheated steam shown in FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood, however, that the embodiments described below are only for explanation of the embodiments of the present invention so that those skilled in the art can easily carry out the invention, It does not mean anything. In describing various embodiments of the present invention, the same reference numerals will be used to refer to elements having the same technical features.

Referring to Figures 1 and 2 will be described with respect to the hot air heater using the superheated steam according to an embodiment of the present invention. For reference, the dryer using the superheated steam is substantially the same as the configuration of the hot air heater using the superheated steam shown in Figures 1 and 2, but only its use is different, it will be described below for the warmer Shall be. However, the following description also applies to a dryer using superheated steam.

As shown in FIG. 1 and FIG. 2, the dryer using superheated steam includes a housing 10, a water tank 20, a steam generating means 30, a duct 40, a first fan 50, and a first heater. 60, the second fan 70 may further include a second heater 80, a temperature sensor 90, and a water supply control means 22.

The housing 10 is formed in a hollow shape so that a configuration such as a water tank can be incorporated. A discharge opening (not shown) is formed at one upper end of the housing 10, and the discharge opening is formed to discharge the mixed superheated steam and air to the outside as described below.

The water tank 20 is mounted on one side of the housing 10, and the water stored in the water tank 20 is supplied to the steam generating means 30. In this case, the water supply adjusting means 22 may be provided below the water tank 20 so that the amount of water supplied to the steam generating means 30 can be adjusted. The water supply control means 22 may include a water supply pin 22a and a cock 22b.

The steam generating means 30 is mounted on the other inside of the housing 10 and serves to generate steam by applying ultrasonic waves to the water supplied from the water tank 20. The steam generating means 30 has an ultrasonic vibrator 32 to apply ultrasonic waves to water, and the steam is generated due to the vibration of the ultrasonic vibrator 32.

On the other hand, although not shown, a high-pressure spray for spraying water in the form of fine particles at high pressure instead of the ultrasonic vibrator 32 may be applied to the steam generating means 30.

Duct 40 is installed in the housing 10 so that the lower end is located above the steam generating means 30 and the upper end is connected to the discharge port of the housing 10. Accordingly, the steam generated by the steam generating means 30 is moved upward through the duct 40. Duct 40 may be made of a stainless material, there is an advantage that contamination is prevented.

The first fan 50 serves to smoothly move the steam generated by the steam generating means 30 to the duct 40, the housing 10 to be located on one side of the steam generating means (30) It is built.

The first heater 60 is mounted on the duct 40, and serves to allow steam generated in the steam generating means 30 to be heated in the process of passing through the duct 40. In this case, the first heater 60 is preferably heated so that the temperature of the steam is about 100 ~ 600 ℃, thereby generating superheated steam. For reference, the first heater 60 may be made of a far-infrared heater, far-infrared rays have the effect of inhibiting the growth of bacteria, fungi and the like and activating the tissue of the human body or plants.

The second fan 70 is mounted on the upper side of the duct 40 and serves to allow the superheated steam generated by the first heater 60 to be mixed with the air introduced from the outside and discharged to the outlet of the housing 10. do. In this case, the duct 40 may have a separate air suction port 42 formed outside the portion where the first heater 60 is mounted. The steam passes through the first heater 60 by the first fan 50, and the second fan 70 not only moves the steam passing through the first heater 60 upward but also the air intake 42. After the air is introduced from the outside through the superheated steam passing through the first heater 60 is mixed to move to the upper side of the duct 40. Accordingly, the superheated steam and air mixed at the discharge port of the housing 10 are discharged. The reason for mixing the superheated steam with the external inlet air is to increase the diffusion efficiency after being discharged from the housing 10.

As described above, the hot air heater using the superheated steam according to an embodiment of the present invention may further include a second heater 80, a temperature sensor 90, and a water supply control means 22.

The second heater 80 is provided for secondary heating before the mixed superheated steam and air are discharged to the discharge port of the housing 10 by the second fan 70, and is adjacent to the discharge port of the housing 10. It is mounted to the duct 40 so as to. The superheated steam is generated by the first heater 60 mounted on the duct 40, but when the superheated steam is mixed with the air introduced from the outside, the temperature is lowered, so that the temperature is adjusted to the required temperature before being discharged to the outside. In order to provide a second heater 80 that can be heated again.

In this case, the duct 40 is preferably equipped with a temperature sensor 90 for measuring the temperature of the mixed superheated steam and air, the temperature sensor 90 is to transmit the temperature information to the controller (C), The controller C controls the operation of the second heater 80.

Reference numeral 92 denotes an overheat prevention sensor, and the overheat prevention sensor 92 senses and transmits the temperature of the mixed superheat steam and air discharged to the discharge port of the housing 10 to the controller C, and according to excessive overheating In preparation for a fire, the controller C stops or operates the second heater 80.

Referring to the operation of the hot air fan using the superheated steam according to an embodiment of the present invention as described above are as follows.

First, when water is supplied from the water tank 20, the ultrasonic wave is applied by the ultrasonic vibrator 32 in the steam generating means 30 to generate steam, and the steam is generated by the first fan 50. Will be moved to). In addition, the steam is heated by the first heater 60 in the course of passing through the duct 40 to generate superheated steam, and the superheated steam is mixed with air introduced from the outside. And the mixed superheated steam and air is moved to the upper side of the duct 40 by the second fan 70 is discharged to the outside through the discharge port of the housing 10. In this case, when the temperature of the mixed superheated steam and air sensed by the temperature sensor 90 is low, the second heater 80 is secondarily heated to be discharged to the required temperature before being discharged to the discharge port of the housing 10. do.

Since the superheated steam discharged through the discharge port of the housing 10 is high temperature and fine particles compared to saturated steam, it is excellent in diffusion efficiency when applied to a hot air blower and excellent in heating efficiency when applied to a hot air. The drying efficiency over is excellent.

Figure 3 is a view showing the inside of the hot air fan using the superheated steam according to another embodiment of the present invention, Figure 4 is a plan view showing the inside of the main part, that is, the first duct of the hot air using the superheated steam shown in Figure 3 .

As shown in Figure 3 and 4, the hot air heater using the superheated steam is the housing 100, the first fan 200, the first duct 300, the steam generating means 400, the second fan 500, It comprises a second duct 600.

The housing 100 has a hollow shape and has an ejection opening (not shown) formed on an upper surface thereof. The discharge port is formed to discharge the superheated steam and air to the outside as described later.

The first fan 200 is installed to be positioned below the inside of the housing 100, and is provided to introduce air into the first duct 300 coupled to the upper portion thereof.

The first duct 300 is coupled to the upper portion of the first fan 200 and the upper end thereof is connected to the discharge port of the housing 100. In addition, a first heater 320 is mounted on the first duct 300 to heat the air introduced and moved by the first fan 200, and the first heater 320 penetrates the first duct 300. Can be fixed. Therefore, the air flowing into the first duct 300 by the first fan 200 is heated by the first heater 320 and then moved upwardly of the first duct 300 to the discharge port of the housing 100. do.

The steam generating unit 400 is installed to be located above the inside of the housing 100, and is located at a position spaced apart from the first duct 300, and the steam generating unit 400 and the first duct 300 are described later in the second section. Connected by a duct 600. The steam generator 400 receives water from a water supply means (not shown), and has an ultrasonic vibrator 420 to generate steam by applying ultrasonic waves to the supplied water. For reference, the water supply means may be provided outside the housing 100 or may be provided inside the housing 100. When the water supply means is provided outside the housing 100, the water supply means may be connected to the steam generating means 400 by a pipe. Can be. Therefore, the steam generating means 400 generates steam by applying ultrasonic waves to the water supplied from the water supply means.

The second fan 500 is coupled to one side of the steam generating means 400, and serves to move the steam generated by the steam generating means 400. Specifically, the second fan 500 is to move the steam to the second duct 600.

The second duct 600 is to connect the steam generating means 400 and the first duct 300, one end is coupled to the other side of the steam generating means 400 and the other end is on the upper side of the first duct 300 Combined. In this case, the other end of the second duct 600 is bent upward through the upper end side of the first duct 300 and positioned below the discharge port of the housing 100.

In addition, a second heater 620 is mounted on the second duct 600, and the second heater 620 has steam generated by the steam generating means 400 in the second duct 600 by the second fan 500. When passing through), it is heated to generate superheated steam.

As a result, the discharged to the discharge port of the housing 100 is a mixture of superheated steam and heating air. That is, the heated air moves toward the discharge port of the housing 100 in the first duct 300 and the superheated steam moves toward the discharge port of the housing 100 in the second duct 600, both of which are housings. The mixture is discharged after being mixed under the discharge port of 100. The reason why the air is mixed with the superheated steam is to increase the diffusion efficiency as described above, and the reason for heating the air from the first duct 300 to the first heater 320 is to compensate for the amount of heat.

Referring to the operation of the hot air fan using the superheated steam according to another embodiment of the present invention as described above are as follows.

First, the steam generating unit 400 generates steam by applying ultrasonic waves to the water supplied. In addition, the second fan 500 is operated to move steam to the second duct 600. At this time, the second fan 500 is heated by the second heater 620 to generate superheated steam. The superheated steam is along the second duct 600. It is moved to face the discharge port of the housing 100.

On the other hand, the air flowing into the first duct 300 by the first fan 200 is heated by the first heater 320 is moved to the upper side of the first duct 300.

The superheated steam through the second duct 600 and the heated air through the first duct 300 are mixed under the discharge port of the housing 100 and discharged to the discharge port.

Hereinafter, a warm air and a drying system using superheated steam according to the present invention will be described with reference to FIG. 5.

As shown in FIG. 5, the warm air and drying system using superheated steam may include a steam generator, a superheated steam generator, and a discharger, and further include a water supply unit and a blower unit.

When water is supplied from the water supply unit to the steam generating unit, the steam generating unit generates steam by applying ultrasonic vibration to the supplied water. The generated steam is moved to the superheated steam generating unit, in which case the blowing unit to facilitate the movement of the steam to the fan. The superheated steam generating unit serves to generate superheated steam by applying heat to the steam generated and moved in the steam generating unit. This can produce superheated steam. The superheated steam generated as described above is discharged to the outside through the discharge unit, and the discharged superheated steam is used for heating and drying the corresponding place. If necessary, the superheated steam may be secondly heated before the superheated steam is discharged through the discharge unit.

10 housing 20 water tank
22: water supply control means 30: steam generating means
32: ultrasonic vibrator 40: duct
50: first fan 60: first heater
70: second fan 80: second heater
90: temperature sensor
100 housing 200 first fan
300: first duct 320: first heater
400: steam generating means 500: second fan
600: 2nd duct 620: 2nd heater

Claims (13)

A housing having a discharge port formed at an upper end thereof;
A water tank mounted on an inner side of the housing;
Steam generating means mounted on the other side of the housing and having an ultrasonic vibrator to apply ultrasonic waves to water supplied from the water tank;
A duct having a lower end located above the steam generating means and having an upper end connected to an outlet of the housing;
A first fan provided at one side of the steam generating means to move the steam generated by the steam generating means to the duct;
A first heater mounted on the duct to generate superheated steam by heating steam passing through the duct; And
And a second fan mounted at an upper side of the duct to mix the superheated steam with the air introduced from the outside and discharge the discharged air to the discharge port of the housing. The method according to claim 1,
And a second heater mounted on the duct so as to be adjacent to the discharge port of the housing and heating the mixed superheated steam and air before being discharged to the discharge port of the housing. The method according to claim 2,
And a temperature sensor mounted on the duct, the temperature sensor measuring a temperature of the mixed superheated steam and air passing through the duct. 4. The method according to any one of claims 1 to 3,
And a water supply adjusting means provided below the water tank to adjust an amount of water supplied from the water tank to the steam generating means. A housing having a discharge hole formed on an upper surface thereof;
A first fan located inside the housing;
A first duct coupled to an upper portion of the first fan, the upper end of which is connected to a discharge port of the housing and mounted with a first heater for heating air introduced and moved by the first fan;
Located in the upper upper side of the housing, the steam generating means having an ultrasonic vibrator to apply ultrasonic waves to the water supplied from the water supply means;
A second fan coupled to one side of the steam generating means to move the steam generated by the steam generating means; And
One end is coupled to the other side of the steam generating means and the other end is bent upward through the upper end side of the first duct, the second heater is mounted so that the steam moved by the second fan is heated to generate superheated steam And a second duct comprising: a superheater using superheated steam, characterized in that the superheated steam through the second duct and the air through the first duct are mixed and discharged to the outlet of the housing. A housing having a discharge port formed at an upper end thereof;
A water tank mounted on an inner side of the housing;
Steam generating means mounted on the other side of the housing and having an ultrasonic vibrator to apply ultrasonic waves to water supplied from the water tank;
A duct having a lower end located above the steam generating means and having an upper end connected to an outlet of the housing;
A first fan provided at one side of the steam generating means to move the steam generated by the steam generating means to the duct;
A first heater mounted on the duct to generate superheated steam by heating steam passing through the duct; And
And a second fan mounted at an upper side of the duct to mix the superheated steam with air introduced from the outside and to discharge the discharged water to the discharge port of the housing. The method according to claim 1,
And a second heater mounted on the duct so as to be adjacent to the discharge port of the housing and heating the mixed superheated steam and air before being discharged to the discharge port of the housing. The method according to claim 2,
And a temperature sensor mounted on the duct and measuring a temperature of the mixed superheated steam and air passing through the duct. 4. The method according to any one of claims 1 to 3,
And a water supply adjusting means provided below the water tank to adjust an amount of water supplied from the water tank to the steam generating means. A housing having a discharge hole formed on an upper surface thereof;
A first fan located inside the housing;
A first duct coupled to an upper portion of the first fan, the upper end of which is connected to a discharge port of the housing and mounted with a first heater for heating air introduced and moved by the first fan;
Located in the upper upper side of the housing, the steam generating means having an ultrasonic vibrator to apply ultrasonic waves to the water supplied from the water supply means;
A second fan coupled to one side of the steam generating means to move the steam generated by the steam generating means; And
One end is coupled to the other side of the steam generating means and the other end is bent upward through the upper end side of the first duct, the second heater is mounted so that the steam moved by the second fan is heated to generate superheated steam And a second duct, wherein the superheated steam through the second duct and the air through the first duct are mixed to be discharged to an outlet of the housing. A steam generator for generating steam by applying ultrasonic vibration to the supplied water;
A superheated steam generator configured to generate superheated steam by applying heat to steam generated and moved by the steam generator;
Hot air and drying system using a superheated steam comprising a; discharge unit which is provided to discharge the superheated steam generated in the superheated steam generating unit to the outside. The method of claim 11,
And a blower configured to move the steam generated by the steam generator to the superheated steam generator by a fan. 12. The method according to claim 11 or 12,
Hot air and drying system using a superheated steam, characterized in that the secondary heating before the superheated steam is discharged through the discharge portion.

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