KR20130008821A - Electric hot water/steam boiler - Google Patents

Abstract

PURPOSE: An electric hot water/steam boiler is provided to discharge water heated by a heater as steam from a first pipe to a direction of a second pipe, thereby rapidly heating water contained in the inside of a water tank of an outer container by using the second pipe. CONSTITUTION: An electric hot water/steam boiler(100) comprises a heater cartridge(120), an inner container(200), a second hot water pipe(220), a second steam pipe(320), a nozzle, and an outer container(300). A heater(110) is installed in the inside of the heater cartridge. The heater cartridge is installed in the inside of the inner container and the inner container comprises a first hot water pipe(210) and a first steam pipe(310). The first hot water pipe is wound around an upper exterior surface of the heater cartridge. The first steam pipe is wound around a lower exterior surface of the heater cartridge. The second hot water pipe is connected to one end portion of the first hot water pipe, thereby being wound around an upper exterior surface of the inner container. The second steam pipe is connected to one end portion of the first steam pipe, thereby being wound around a lower exterior surface of the inner container. The nozzle is joined to a portion where the first and second steam pipes are connected, thereby spraying the water heated by the heater as steam from a first pipe to a direction of a second pipe. The outer container surrounds the inner container and comprises a water tank(340) in which water is stored in inside.

Description

Electric hot water / steam boiler

The present invention relates to an electric hot water / steam boiler, and more particularly, by installing a pipe circulating water along the outer surface of the heater located in the inner cylinder of the boiler to heat the water in the convection phenomenon, and the heated water to steam The electric hot water / steam boiler that can save energy by increasing heat efficiency and supply heating water or hot water quickly by mixing heat exchange method that heats the water stored in the tank of the outer cylinder by using the pipe where steam is circulated through will be.

A boiler is a device that heats water to generate high temperature, high pressure steam (steam) or hot water, and is used for heating and supplying hot water in a heating facility or a bathroom. Such boilers may be divided into oil boilers using heavy oil or diesel fuel, gas boilers using gas, firewood boilers using wood, and electric boilers using electricity.

Among them, oil boilers and gas boilers are mainly used in general households in urban areas because of the smooth supply of fuel, but oil boilers have excellent thermal efficiency and excellent stability. Problems caused by factors such as fuel depletion are inherent.

In the case of gas boilers, the maintenance cost is low due to the characteristics of using LNG (LNG) as a fuel, but gas boilers are limited to large-scale residential areas or urban centers that have already been developed with commercial areas. In the case of the outlying area, its use is difficult. Accordingly, in recent years, the use of electric boilers for heating water or supplying hot water by heating water with electricity as a heat source is increasing.

In general, electric boilers are widely used because there is no danger of explosion or toxic gas, and noise and smell do not occur, and they are configured to simultaneously or selectively operate hot water supply and heating.

The method of heating water using an electric boiler includes a method in which a heater, which is an electric heating element, is brought into direct contact with water, and a non-conductive liquid such as oil is first heated by a heater and then indirectly heated by a heated non-conductive liquid. There is a method of heating, and a method of heating the water by convection by installing a pipe that can circulate water around the heater.

However, when the heater, which is an electric heating element, is in direct contact with water, there is a disadvantage in that it takes a lot of time and power to heat the entire water filled in the tank. If a non-conductive liquid such as oil is first heated with a heater, and then the heated non-conductive liquid is heated in a heat exchange manner with water, it takes a long time to heat the non-conductive liquid with the heater and also with a heated non-conductive liquid. It takes a long time to heat the water, there is a disadvantage that rapid heating or hot water supply is difficult.

In the method of heating water through convection by installing a pipe that circulates water around the heater, the water is heated directly by using the heater, which enables rapid heating or hot water supply, but it can be installed along the length of the heater. Due to the limited number of pipes, there is a disadvantage in that the heat from the heater cannot be used sufficiently.

Therefore, it would be desirable to provide an electric boiler that can fully utilize thermal efficiency and that can quickly supply heating water or hot water.

The electric hot water / steam boiler according to the present invention, by installing a nozzle between the first pipe, the water supplied from the outside is heated by the heater and the second pipe wound while wrapping the outer surface of the inner cylinder communicating with the first pipe, It is an object to supply the water heated by the heater in the first pipe to the second pipe in the steam direction.

In addition, the electric hot water / steam boiler according to the present invention, by spouting the water heated by the heater in the first pipe to the steam in the second pipe direction, to quickly heat the water stored in the tank of the outer cylinder using the second pipe There is another purpose for it.

In addition, the electric hot water / steam boiler according to the present invention uses a second pipe wound while heating water circulating through the first pipe by a heater and surrounding the outer surface of the inner cylinder communicating with the first pipe. Another purpose is to reduce the economic burden of the user by increasing the thermal efficiency of the electric hot water / steam boiler and reducing the electricity bill by heating the stored water.

The object of the present invention is an electric hot water / steam boiler, the heater cartridge is provided with a heater therein, and the heater cartridge is installed therein, the first hot water is introduced into the water wound along the upper outer surface of the heater cartridge A cast-processed inner cylinder including a pipe and a first steam pipe into which water wound along the lower outer surface of the heater cartridge flows, and at one end of the first hot water pipe, wrapped around the upper outer surface of the inner cylinder A second hot water pipe, a second steam pipe communicating with one end of the first steam pipe and wrapping the lower outer surface of the inner cylinder, and water heated by a heater in the first steam pipe; A nozzle fastened to a communication region of the first steam pipe and the second steam pipe to inject steam into a pipe direction; It is installed in a form surrounding the inner cylinder, and is achieved by an electric hot water / steam boiler, characterized in that it comprises an outer cylinder having a water tank in which water is stored therein.

In addition, the electric hot water / steam boiler according to the present invention, the diameter of the nozzle is characterized in that formed to 1/5 or less than the diameter of the first steam pipe.

In the electric hot water / steam boiler according to the present invention, the first hot water pipe, the second hot water pipe, the first steam pipe, and the second steam pipe are wound by combining a plurality of straight pipes and round joints, respectively. do.

In addition, the electric hot water / steam boiler according to the present invention is characterized in that one or more heater cartridges are provided with a heater installed therein.

In addition, the electric hot water / steam boiler according to the present invention is characterized in that the water supplementary water inlet is further provided on one side of the outer cylinder.

In addition, the electric hot water / steam boiler according to the present invention is installed in a form surrounding the outer surface of the inner cylinder between the inner cylinder and the second hot water pipe and the second steam pipe, and formed of a metal material to form the inner cylinder and the air gap Characterized in that the case is further provided.

In addition, in the electric hot water / steam boiler according to the present invention, the air gap is characterized in that it is filled with a heat insulating material.

The electric hot water / steam boiler according to the present invention, by installing a nozzle between the first pipe, the water supplied from the outside is heated by the heater and the second pipe wound while wrapping the outer surface of the inner cylinder communicating with the first pipe, The water heated by the heater in the first pipe may be ejected and supplied as steam in the direction of the second pipe.

In addition, the electric hot water / steam boiler according to the present invention, by spouting the water heated by the heater in the first pipe to steam in the direction of the second pipe, it is possible to quickly heat the water stored in the tank of the outer cylinder using the second pipe. There are other effects that can be.

In addition, the electric hot water / steam boiler according to the present invention uses a second pipe wound while heating water circulating through the first pipe by a heater and surrounding the outer surface of the inner cylinder communicating with the first pipe. Heating the stored water has another effect of reducing the economic burden of the user by increasing the thermal efficiency of the electric hot water / steam boiler and reducing the electricity bill.

1 is a cross-sectional view of an electric hot water / steam boiler according to the present invention,
2 is a detailed configuration diagram of a nozzle according to the present invention;
3 is a detailed block diagram of a pipe according to the present invention.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor may appropriately define the concept of the term in order to best describe its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, a pipe used for discharging hot water through a pipe is defined as a hot water pipe, and a pipe used for discharging steam through the pipe is defined as a steam pipe.

1 is a cross-sectional view of an electric hot water / steam boiler 100 according to the present invention. As shown in FIG. 1, the electric hot water / steam boiler 100 according to the present invention includes a heater cartridge 120 having a heater 110 installed therein, and a heater cartridge 120 installed therein. A casting treatment including a first hot water pipe 210 into which water wound along an upper outer surface of the 120 flows and a first steam pipe 310 into which water wound along a lower outer surface of the heater cartridge 120 flows. Inner cylinder 200 is provided.

Heater 110 is installed in the heater cartridge 120 is formed in a structure that can be replaced when the heater 110 is damaged, the heater cartridge 120 is installed inside the heater cartridge 120 in the inner cylinder 200 One or more can be installed.

In addition, the first hot water pipe 210 and the first steam pipe 310 may have a structure in which water introduced through the direct inlets 211 and 311 may be efficiently heated in a narrow space of the inner cylinder 200. Preferably, the shape of the first hot water pipe 210 and the first steam pipe 310 wound along the outer surface of the heater cartridge 120 may be variously modified in an oblique direction, a spiral shape, and the like.

In addition, the electric hot water / steam boiler 100 according to the present invention is connected to one end of the first hot water pipe 210, the second hot water pipe 220 wound while wrapping the upper outer surface of the inner cylinder 200, and The first steam pipe 310 communicates with one end of the second steam pipe 320 wound around the lower outer surface of the inner cylinder 200, and the water heated by the heater 110 in the first steam pipe 310 In order to inject the steam into the steam in the direction of the second steam pipe 320, the nozzle 330 is fastened to the communication region of the first steam pipe 310 and the second steam pipe 320 and the inner cylinder 200 It is installed as, and is provided with a water tank 340 is stored therein has a `` '' outer cylinder 300.

In this case, the communication between the first hot water pipe 210 and the second hot water pipe 220 may be connected by welding, joint, flange, reducer, or the like.

And the nozzle 330 is fastened to the communication region of the first steam pipe 310 and the second steam pipe 320, the nozzle 330 is the water heated by the heater 110 in the first steam pipe (310). To spray the steam in the direction of the second steam pipe 320.

At this time, the nozzle 330 is preferably formed in a shape that becomes thinner toward the end so that the cross-sectional area becomes smaller in the flow direction of the water so that the steam can be easily ejected, the first steam pipe 310 by the Bernoulli principle The hot water of) passes through the nozzle 330 and is jetted to the steam in the direction of the second steam pipe 320.

2 is a detailed configuration diagram of the nozzle 330 according to the present invention. As shown in FIG. 2, the nozzle 330 according to the present invention includes a pipe fastening part 331, and is formed in a structure in which the first steam pipe 310 and the second steam pipe 320 are male and female. do. Thereafter, the nozzle 330 is welded to the first steam pipe 310 and the second steam pipe 320.

In addition, the nozzle 330 may be formed such that the diameter of the end of the nozzle 330 is less than 1/5 of the diameter of the first steam pipe 310 so that hot water can be easily ejected with steam.

In FIG. 1, the second hot water pipe 220 communicated with one end of the first hot water pipe 210 and positioned inside the water tank 340 wound around the upper outer surface of the inner cylinder 200 may be disposed in the water tank 340. It functions to heat the stored low temperature water to a predetermined temperature. This is because the hot water of the first hot water pipe 210 heated by the heater 110 circulates the second hot water pipe 220 and heat-exchanges with the water stored in the water tank 340 of the outer cylinder 300. The low temperature water stored in the water tank 340 is heated to a predetermined temperature.

In addition, in FIG. 1, the second steam pipe 320 communicated with one end of the first steam pipe 310 and positioned inside the tank 340 wound while wrapping the lower outer surface of the inner cylinder 200 is a water tank 340. It functions to rapidly heat the low temperature water stored in the to a predetermined temperature. This is because the hot water of the first steam pipe 310 heated by the heater 110 is connected to the second steam pipe 310 and the communication region between the second steam pipe 320 through the nozzle 330. The steam is injected to the steam in the direction of the 320, the steam is circulated through the second steam pipe 320 at a high speed heat exchange with the water stored in the water tank 340 of the outer cylinder 300, thereby The low temperature water stored in the 340 is rapidly heated to a predetermined temperature.

In addition, the second hot water pipe 220 and the second steam pipe 320 are preferably formed in a structure in which water can be efficiently heated in the water tank 340, and thus is wound along the outer surface of the inner cylinder 200. The shape of the second hot water pipe 220 and the second steam pipe 320 positioned in the water tank 340 may be variously modified in an oblique direction, a spiral shape, and the like.

3 is a detailed configuration diagram of the first hot water pipe 210, the second hot water pipe 220, the first steam pipe 310, and the second steam pipe 320 according to the present invention. A pipe wound in a diagonal direction, a spiral shape, or the like along the outer surface of the heater cartridge 120 or the outer surface of the inner cylinder 200 is disposed in a cylindrical shape. If the cylindrical shape is not disposed due to constraints of the installation space or the like, for example, the rectangular shape is required to bend the corner of the pipe at a predetermined angle.

However, since the thickness decreases at the outside of the pipe bend during bending, problems may occur when the internal pressure of the pipe is large. In addition, since the bending process of the pipe proceeds by hand by a human hand, there is a problem that a defect may occur in the precision of the process and the quality of the product.

Accordingly, the first hot water pipe 210, the second hot water pipe 220, the first steam pipe 310, and the second steam pipe 320 according to the present invention may each have a plurality of straight pipes (as shown in FIG. 3). 600 and the round type joint part 610 are coupled to each other, thereby improving the problems occurring during bending of the pipe.

And in the design of the electric hot water / steam boiler 100 according to the present invention, by adjusting the curvature of the round joint 610, the shape of the pipe wound along the outer surface of the heater cartridge 120 or the outer surface of the inner cylinder 200 Can be variously modified. Communication between the straight pipe 600 and the round joint 610 may be connected by welding, joint, flange, reducer, or the like.

In addition, the electric hot water / steam boiler 100 according to the present invention further includes a water supplemental water inlet 500 on one side of the outer cylinder 300. The water supplement water inlet 500 is for replenishing water through the water supplement water inlet 500 when the water stored in the water tank 340 of the outer cylinder 300 is insufficient.

In addition, the electric hot water / steam boiler 100 according to the present invention is installed in a form surrounding the outer surface of the inner cylinder 200 between the inner cylinder 200, the second hot water pipe 220 and the second steam pipe 320, It further includes a case 400 is formed of a metal material so that the inner cylinder 200 and the air gap 410 is formed.

Air gap 410 and the case 400 is to prevent the heat generated by the heater 110 in the inner cylinder 200 to be easily transmitted to the outside to perform the function of thermal insulation. In addition, the air gap 410 may be filled with a heat insulating material.

In an embodiment of the electric hot water / steam boiler 100 according to the present invention shown in FIG. Although it is disclosed that the second steam pipe 320 is located below, the positions of the first hot water pipe 210 and the second hot water pipe 220 and the first steam pipe 310 and the second steam pipe 320 are shown. Of course, can be changed.

The steamer hot water / steam boiler 100 according to the present invention configured as described above operates as follows.

First, when water is supplied from the outside through the direct hot water inlets 211 and 311 of the first hot water pipe 210 and the first steam pipe 310, the water is circulated while being heated by the heater 110. The high temperature water heated at) is communicated with one end of the first hot water pipe 210 to circulate the wound second hot water pipe 220 while wrapping the outer surface of the inner cylinder 200. The second hot water pipe 220 is used for hot water through the hot water supply port 221 while heating the low temperature water stored in the water tank 340 to a predetermined temperature.

However, the hot water heated in the first steam pipe 310 is directed to the second steam pipe 320 through the nozzle 330 fastened to the communication region between the first steam pipe 310 and the second steam pipe 320. The steam is injected into the steam, and the steam injected at high speed is communicated at one end of the first steam pipe 310 to circulate the wound second steam pipe 320 while wrapping the outer surface of the inner cylinder (200).

Therefore, the second steam pipe 320 in which steam circulates at a high speed may heat the low temperature water stored in the water tank 340 very quickly to a predetermined temperature than the second hot water pipe 220. Then, the heated water stored in the water tank 340 is used for heating through the heating water inlet 510 and the heating water supply port 520 installed in the outer cylinder 300.

Therefore, the electric hot water / steam boiler 100 according to the present invention may rapidly heat the low temperature water stored in the water tank 340 to a predetermined temperature through the second steam pipe 320 during the first operation of the boiler 100. There is a feature that can be heated quickly because it can.

One end of the second steam pipe 320 communicates with the first steam pipe 310 again to form a structure in which steam continuously circulates between the first steam pipe 310 and the second steam pipe 320. Alternatively, one end of the second steam pipe 320 is located outside the boiler 100, and steam emitted from the steam supply port 321 of the second steam pipe 320 may be subjected to high temperature sterilization of food, sludge drying, or the like. It can also be used for various purposes.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, Various changes and modifications will be possible.

100: boiler 110: heater
120: heater cartridge 200: inner cylinder
210: first hot water pipe 211: direct water inlet
220: second hot water pipe 221: hot water supply port
300: outer cylinder 310: first steam pipe
311: direct inlet 320: second steam pipe
321: steam supply port 330: nozzle
331: pipe fastening portion 340: water tank
400: case 410: air gap
500: water replenishment inlet 510: heating water inlet
520: heating water supply port 600: straight pipe
610: round joint

Claims (7)

A heater cartridge having a heater installed therein;
A casting including a first hot water pipe in which the heater cartridge is installed, a first hot water pipe into which water wound along an upper outer surface of the heater cartridge flows, and a first steam pipe into which water wound along a lower outer surface of the heater cartridge is introduced Treated internal passage;
A second hot water pipe communicating with one end of the first hot water pipe and wrapped around the upper outer surface of the inner cylinder;
A second steam pipe communicating with one end of the first steam pipe and wrapped around the lower outer surface of the inner cylinder;
A nozzle coupled to a communication region between the first steam pipe and the second steam pipe to inject water heated by a heater in the first steam pipe into steam in the direction of the second steam pipe;
An outer cylinder installed to surround the inner cylinder and having a water tank in which water is stored;
Electric hot water / steam boiler, characterized in that comprises a.
The method of claim 1,
The diameter of the nozzle is an electric hot water / steam boiler, characterized in that formed in less than 1/5 of the diameter of the first steam pipe.
The method of claim 1,
And the first hot water pipe, the second hot water pipe, the first steam pipe, and the second steam pipe are wound by combining a plurality of straight pipes and a round joint part, respectively.
The method of claim 1,
The heater cartridge is a heater is installed inside the electric hot water / steam boiler, characterized in that one or more are installed.
The method of claim 1,
Electric hot water / steam boiler, characterized in that the water supplement inlet is further provided on one side of the outer cylinder.
The method of claim 1,
The inner cylinder and the second hot water pipe and the second steam pipe is installed in a form surrounding the outer surface of the inner cylinder, the inner cylinder and the case is formed of a metal material to form an air gap is further characterized in that the electric Hot water / steam boiler.
The method according to claim 6,
The air gap is an electric hot water / steam boiler, characterized in that the filling with an insulating material.

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