KR101832420B1 - Frictional heating device - Google Patents

Frictional heating device Download PDF

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Publication number
KR101832420B1
KR101832420B1 KR1020160012757A KR20160012757A KR101832420B1 KR 101832420 B1 KR101832420 B1 KR 101832420B1 KR 1020160012757 A KR1020160012757 A KR 1020160012757A KR 20160012757 A KR20160012757 A KR 20160012757A KR 101832420 B1 KR101832420 B1 KR 101832420B1
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KR
South Korea
Prior art keywords
friction
heating
boss
circumferential surface
fluid
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KR1020160012757A
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Korean (ko)
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KR20170091899A (en
Inventor
정기영
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정기영
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Priority to KR1020160012757A priority Critical patent/KR101832420B1/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/101Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/101Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
    • F24H1/102Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/0005Details for water heaters
    • F24H9/001Guiding means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates or heating means
    • F24H9/1809Arrangement or mounting of grates or heating means for water heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H2250/00Electrical heat generating means
    • F24H2250/02Resistances

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

According to the present invention, a second friction heating body is disposed so that a friction gap is formed inside the first friction heating body, and the first and second friction heating bodies are rotated in opposite directions while fluid is flowing only to the friction gap side, A friction heating apparatus comprising: a heat exchange tank having a fluid inlet pipe and a fluid outlet pipe; A first friction heating body rotatably disposed in the heat exchange tank; A second frictional heating body for frictional heating a fluid, which is disposed inside the first frictional heating body so as to be rotatable in a direction opposite to the first frictional heating body, and which flows between the first frictional heating body and the first frictional heating body together with the first frictional heating body; And a mechanical seal interposed between the heat exchange tank and the first frictional heating body to rotatably support the first frictional heating body and to flow the fluid between the first frictional heating body and the second frictional heating body.

Description

TECHNICAL FIELD [0001] The present invention relates to a frictional heating device,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a friction heating apparatus, and more particularly, to a friction heating apparatus that uses a friction to heat a fluid to be used for heating, hot water, steam, or the like.

Generally, a boiler is widely used as a device for supplying heating, hot water, and steam to a home, industrial facility, or agricultural facility.

However, it is known that the above-described boiler is not only complicated in equipment, but also has various problems such as discharging harmful substances particularly during boiler operation.

In order to solve such a problem, a new concept of a heat generating device has been developed, and a typical example thereof is the Korean Patent Registration No. 10-1306165 of the present applicant.

Korean Patent Registration No. 10-1306165 discloses a friction heating system for heating a fluid passing through a minute gap between a rotating body and a fixed body.

However, the friction heating system configured as described above has a problem that the friction of the fluid can not be maximized because the fluid passing through the micro gap is heated only by the rotation of the rotating body. Thus, the heat generation efficiency of the friction heating system is low There was another problem.

According to the present invention, a second friction heating body is disposed so that a friction gap is formed inside the first friction heating body, and the first and second friction heating bodies are rotated in opposite directions while fluid is flowing only to the friction gap side, And to provide a friction heating device.

The technical objects to be achieved by the present invention are not limited to the above-mentioned technical problems.

According to an aspect of the present invention, there is provided a friction heating apparatus including: a heat exchange tank having a fluid inlet pipe and a fluid outlet pipe; A first friction heating body rotatably disposed in the heat exchange tank; A second frictional heating body for frictional heating a fluid, which is disposed inside the first frictional heating body so as to be rotatable in a direction opposite to the first frictional heating body, and which flows between the first frictional heating body and the first frictional heating body together with the first frictional heating body; And a mechanical seal interposed between the heat exchange tank and the first frictional heating body to rotatably support the first frictional heating body and to flow the fluid between the first frictional heating body and the second frictional heating body.

According to another aspect of the present invention, there is provided a friction heating apparatus including: a heat exchange tank having a fluid inlet pipe and a fluid outlet pipe; A first frictional heating element fixedly disposed inside the heat exchange tank; A second frictional heating member rotatably disposed in the first frictional heating member and frictionally heating the fluid flowing between the first frictional heating member and the first frictional heating member together with the first frictional heating member; And a mechanical seal interposed between the heat exchange tank and the first frictional heating body, the fluid flowing between the first frictional heating body and the second frictional heating body.

Specifically, the heat exchange tank has a hollow shape inside and has open top and bottom openings. Open upper and lower ends are closed by first and second covers, respectively. On the outer circumferential surface of the heat exchange tank adjacent to the first cover, And a fluid inflow pipe may be mounted on the outer circumferential surface of the heat exchange tank adjacent to the second cover.

The mechanical seal may be disposed between the fluid outlet pipe and the fluid inlet pipe to allow the fluid to flow between the first and second frictional heating elements while preventing the rise of the fluid flowing through the fluid inlet pipe.

Specifically, the first frictional heating element has a horizontal annular flange having an outer circumferential surface and an inner circumferential surface, a first friction disc having an outer circumferential surface and an inner circumferential surface which are continuous with the inner circumferential surface of the flange, 1 heating element; And a finishing plate for finishing a top surface of the first heating member to be stacked on the top, wherein one fluid guide hole formed by the inner circumferential surfaces of the first friction disk and a first friction member A plurality of friction space portions formed between the disks can be formed.

And the finishing plate is fixedly mounted to the first heating member stacked by a plurality of fastening bolts passing through the finishing plate from the lowermost first heating member and fastening nuts fastened to the fastening bolts passing through the finishing plate, A fluid discharge hole for discharging the fluid heated by the first and second friction heating bodies to the upper side of the mechanical seal built in the heat exchange tank while flowing along the hole can be formed.

Specifically, the first frictional heating body further includes a first driving motor, wherein the first driving motor is fixedly mounted on the upper surface of the first cover closing the open top of the heat exchange tank, The first drive shaft may be connected to the upper end surface of the finishing plate of the first friction heating body through the first cover.

Specifically, the second friction heating body includes: a heating rotation shaft extending along the fluid guide hole; And a plurality of second heating members fixedly mounted on the heating rotation shaft corresponding to the respective friction space portions, wherein the second heating member includes a boss fixedly mounted on the heating rotation shaft, and a radially outer side of the boss on the outer peripheral surface of the boss Wherein the second friction disc has a frictional friction between the first frictional discs and the first frictional discs inserted into the adjacent frictional space portion to form the frictional space portion, And the outer circumferential surface of the boss and the inner circumferential surface of the first friction disc can be spaced apart to allow fluid to flow into the friction space portion.

Specifically, the second friction heating body includes: a heating rotation shaft extending along the fluid guide hole; And a plurality of second heating members fixedly mounted on the heating rotation shaft corresponding to the respective friction space portions, wherein the second heating member includes: a fixed boss fixedly mounted on the heating rotation shaft; A fixed friction heating wheel having an annular second friction disc extending radially outward of the boss; And a rotational friction heating wheel having an annular third friction disk extending radially outward of the rotation boss on the outer circumferential surface of the rotation boss, The friction disc is inserted into the adjacent friction space portion to form a friction gap in which the fluid is compressed and rubbed between the first friction discs forming the friction space portion and the outer circumferential surface of the fixed boss and the inner circumferential surface of the first friction disc are friction- And may be spaced apart to allow fluid to flow into the space.

Here, the rotating boss is rotatably supported at its lower end face on the upper end face of the fixing boss fixedly mounted on the heating rotary shaft, and the rotating boss is moved to another friction gap so that another friction gap is formed between the second friction disk and the third friction disk Or the fixing boss may be formed protruding outward from the upper end surface of the second friction disk by another friction gap.

A plurality of fluid suction holes are formed on the outer circumferential surface of the third friction disk so that a plurality of fluid suction holes are formed on the outer circumferential surface of the third friction disk. A plurality of troughs may be concavely formed toward the rotation center side along the outer circumferential surface of the third friction disc so that the third friction disc may be rotated by pressure on the fluid introduced into the suction hole.

Specifically, the second friction heating body includes: a heating rotation shaft extending along the fluid guide hole; And a plurality of second heating members fixedly mounted on the heating rotation shaft corresponding to the respective friction space portions, wherein the second heating member includes a first fixing boss fixed to the heating rotation shaft and fixed to the first rotation boss, A first fixed friction heating wheel having an annular second friction disc extending radially outward of the first fixing boss on the outer circumferential surface; A second fixed friction bob having a second fixed boss fitted and fixed to the heating rotary shaft and a third fixed friction boss having an annular third friction disc extending radially outward from the outer peripheral surface of the second fixed boss; And a rotating boss rotatably fitted to the heating rotation shaft, the rotating boss being disposed between the first fixing boss and the second fixing boss, and a second boss extending from the outer peripheral surface of the rotating boss radially outwardly of the rotating boss, A second frictional disk surrounding the fourth frictional disk and a third frictional disk having a first frictional disk inserted into the adjacent frictional space portion to form a frictional space portion; The outer peripheral surface of the first fixing boss and the second fixing boss and the inner peripheral surface of the first friction disk can be spaced apart to allow fluid to flow into the friction space portion.

Here, the second friction disc and the third friction disc are provided with a first friction chuck and a second friction chuck, which are formed along the outer peripheral surfaces of the second friction disc and the third friction disc so as to cover the fourth friction disc, 2 friction jaws may be formed.

And the self-centering boss is protruded outward from the upper face and the lower face of the fourth friction disk by another friction gap so that another friction gap is formed between the second friction disk and the third friction disk and the fourth friction disk, The fixing boss and the second fixing boss may protrude outwardly from the lower end surface and the upper end surface of the second friction disc and the third friction disc by another friction gap.

Specifically, the second friction heating body includes: a heating rotation shaft extending along the fluid guide hole; And a plurality of second heating members fixedly mounted on the heating rotation shaft corresponding to the respective friction space portions, wherein the second heating member includes: a first fixing boss which is fitted and fixed to the heating rotation shaft; A first fixed friction heating wheel having an annular second friction disk extending radially outward of the first fixing boss in the first fixed boss; A second fixed friction bob having a second fixed boss fitted and fixed to the heating rotary shaft and a third fixed friction boss having an annular third friction disc extending radially outward from the outer peripheral surface of the second fixed boss; A rotating boss rotatably fitted to the heating rotation shaft, the rotating boss being disposed between the first fixing boss and the second fixing boss, and a fourth friction disc having an annular shape extending radially outward from the outer peripheral surface of the rotating boss Wherein the second friction disc, the third friction disc and the fourth friction disc are pressed against the first friction discs inserted into the adjacent friction space portion to form the friction space portion The outer circumferential surface of the first fixing boss and the second fixing boss and the inner circumferential surface of the first friction disc may be spaced apart to allow fluid to flow into the friction space portion.

Here, the first fixed friction heating wheel disposed at the lower end side of the rotational friction heating wheel is provided with a first friction disk, which is formed at equal intervals along the outer circumferential surface of the second friction disk, And an annular second heat generating portion extending from the upper end surface of the first fixing boss to a lower end surface side of the first fixing boss and connected to the first heat generating grooves, And the second fixed friction heating wheel disposed on the upper side of the rotational friction heating wheel is formed with grooves on the lower end face of the third friction disc which is formed at regular intervals along the outer circumferential face of the third friction disc and contacts the outer circumferential face of the third friction disc, Extending from the lower end surface of the second fixing boss toward the upper surface side of the second fixing boss, And the third has a fourth annular groove of the heat connected with the heat generating grooves may be formed.

Preferably, the first heating grooves and the third heating grooves are curved toward the rotation direction side of the first fixed friction heating wheel and the second fixed friction heating wheel, and an opening formed in the first fixing boss and the second fixing boss side The second friction disc and the third friction disc may be narrower than the opening formed on the outer circumferential surface side.

The first friction pads are formed on the rotating friction heating wheel at regular intervals along the outer circumferential surface of the fourth friction disk and extend from the outer circumferential surface of the fourth friction disk to the rotating boss side so as to have a diameter gradually widened. A second heating hole is formed in the upper surface of the rotating boss so as to be connected to the first heating holes while passing through the lower end surface of the rotating boss, and the second heating hole can be connected to the second heating groove and the fourth heating groove.

Preferably, the first exothermic apertures may be curved toward the rotational direction side of the rotational friction heating wheel.

The first fixed friction bending wheel is formed at equal intervals along the outer circumferential surface of the second friction disc so as not to interfere with the first heat generating grooves, and extends from the outer circumferential surface of the second friction disc contacting the upper surface of the second friction disc, And the second fixed friction heating wheel is formed at equal intervals along the outer circumferential surface of the third friction disc so as not to interfere with the third heat generating grooves, The sixth heating grooves extending from the outer circumferential surface of the third friction disk in contact with the lower end face to the second fixing boss side may be formed.

Preferably, the fifth heating groove and the sixth heating groove are formed to be curved toward the rotation direction side of the first fixed friction heating wheel and the second fixed friction heating wheel, and an opening formed on the first fixing boss and the second fixing boss side 2 friction disc and the third frictional disc.

The second friction motor includes a second drive motor fixedly mounted on a lower end surface of the second cover and a second drive shaft extending from the second drive motor passes through the second cover, And can be connected to a heating rotary shaft.

As described above, according to the present invention, a second friction heating body is disposed so that a friction gap is formed in the first friction heating body, and the first and second friction heating bodies are rotated in the opposite direction So as to maximize the friction of the fluid and to increase the heat generation efficiency by increasing the friction area and the friction time.

1 is a cross-sectional view schematically showing a friction heating apparatus according to the present invention,
Fig. 2 is an enlarged perspective view of the first heating member shown in Fig. 1,
Fig. 3 is an enlarged perspective view of the second heating member shown in Fig. 1,
Figs. 4A and 4B are views showing another embodiment of the second heating member shown in Figs. 1 and 3,
5 is a view showing another embodiment of the second heating member shown in Figs. 1 and 3, and Fig.
6 is a view showing another embodiment of the second heating member shown in Figs. 1 and 3, and Fig.
7 is a cross-sectional view schematically showing another embodiment of the friction-heating apparatus according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same components are denoted by the same reference symbols whenever possible. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1 is a schematic view of a friction heating apparatus according to the present invention. The friction heating apparatus 100 according to the present invention includes a heat exchange tank 110, a first friction member 110 rotatably disposed in the heat exchange tank 110, The friction body 120 is heated by the friction heating body 120 and the fluid that flows into the space between the first friction heating body 120 and the first friction heating body 120 so as to be rotatable in the opposite direction to the first friction heating body 120 And a second frictional heating body (140).

The friction heating apparatus 100 according to the present invention is interposed between the heat exchange tank 110 and the first friction heating body 120 to rotatably support the first friction heating body 120, And a mechanical seal 116 which flows between the friction heating body 120 and the second friction heating body 140.

First, as shown in FIG. 1, the heat exchange tank 110 has a hollow shape with an upper end and a lower end open, and the upper end and the lower end of the heat exchange tank 110 are closed by first and second covers 112a and 112b, respectively .

The first and second covers 112a and 112b accommodate the mechanical seal 116 and the first and second frictional heating elements 120 and 140 in the heat exchange tank 110 as well as the heat exchange tank 110). The first and second covers 112a and 112b are mounted on the heat exchange tank 110 so that the fluid in the heat exchange tank 110 is not leaked when the first and second covers 112a and 112b are installed in the heat exchange tank 110.

In the present invention, the connection relationship between the heat exchange tank 110 and the first and second covers 112a and 112b is not particularly limited. However, if the first and second covers 112a and 112b are detachably mounted to the heat exchange tank 110 and the fluid does not leak to the connection portion, the heat exchange tank 110 and the first and second The covers 112a and 112b may have any connection relationship.

On the other hand, a fluid outflow pipe 114a is mounted on the outer circumferential surface of the heat exchange tank 110 adjacent to the first cover 112a and a fluid inflow pipe 114b is provided on the outer circumferential surface of the heat exchange tank 110 adjacent to the second cover 112b. Respectively.

Here, it is preferable to mount a conventional valve (not shown) for interrupting the discharge and inflow of the fluid to the fluid outlet pipe 114a and the fluid inlet pipe 114b. The heat exchange tank 110 is preferably spaced apart from the ground by a subframe F having a vibration insulating material.

A conventional mechanical seal 116 interposed between the inner circumferential surface of the heat exchange tank 110 and a first friction heating body 120 to be described later is installed inside the heat exchange tank 110. The mechanical seal 116 The first friction heating body 120 rotatably supports the first friction heating body 120 and the fluid is supplied to the first and second friction heating bodies 110 and 120 disposed inside the heat exchange tank 110 while preventing the rise of the fluid flowing through the fluid inflow pipe 114b. 120, and 140, respectively.

Here, the mechanical seal 116 is disposed between the fluid outlet pipe 114a and the fluid inlet pipe 114b.

The first friction heating body 120 and the second friction heating body 140 are disposed in the heat exchange tank 110 thus formed.

1, the first frictional heating body 120 is disposed inside the heat exchange tank 110 and has an upper end and a lower end extending along the longitudinal direction of the heat exchange tank 110, And 112b so as to be rotatably supported by the mechanical seal 116.

The first friction heating body 120 includes a plurality of first heating members 122 stacked in a vertical direction and a finishing plate 132 closing a top surface of the first heating member 122 stacked on the top . The first heating members 122 include a horizontal annular flange 124 having an outer circumferential surface and an inner circumferential surface as shown in Figures 1 and 2 and a first friction disc 124 integrally formed on the inner circumferential surface of the flange 124 126).

Wherein the first friction disc 126 has an outer circumferential surface and an inner circumferential surface that are continuous with the inner circumferential surface of the flange 124 and wherein the cross sectional thickness t of the first friction disc 126 is less than the cross sectional thickness T of the flange 124 And is formed thin.

Accordingly, the first heating element 122 may be formed to have a substantially "┌┐" or "├ ┤" or "└┘" cross-sectional shape, and in FIGS. 1 and 2, A first heating member 122 having a cross-sectional shape is shown.

The first heating members 122 thus formed are stacked so that the flanges 124 are vertically butted against each other. Inside the stacked first heating members 122, a plurality of friction space portions 130 are formed in multiple stages.

Here, the fluid guide hole 128 is formed by the inner peripheral surfaces of the first friction disc 126 of the first heating members 122 stacked, and the friction space portions 130 are formed by stacking the first heating member 122, And the friction space portions 130 are formed so as to be connected to the fluid guide hole 128. The first friction discs 126 of the first friction discs 126 are connected to the first friction discs 126,

Meanwhile, as shown in FIG. 1, the finishing plate 132 covering the upper surface of the first heating member 122 stacked on the uppermost one of the stacked first heating members 122 is provided in a horizontal disc shape. The finishing plate 132 includes a plurality of fastening bolts B and a finishing plate 132 passing through the finishing plate 132 from the lowermost first heating member 122 so as not to interfere with the friction space portion 130 And fixed to the first heating member 122 stacked by the fastening nut N fastened to the fastening bolt B. [

The fluid heated by the first friction heating body 120 and the second friction heating body 140 is discharged to the inside of the heat exchange tank 110 while flowing along the fluid guide hole 128 to the finishing plate 132 The fluid discharge hole 134 is formed through the outer peripheral surface of the finishing plate 132 from the lower end surface of the finishing plate 132 to be connected to the fluid guide hole 128.

That is, the fluid flowing toward the fluid guide hole 128 and the friction space portion 130 side is friction-heated by the first friction heating body 120 and the second friction heating means 140, which rotate in opposite directions The heated fluid flows to the upper end of the fluid guide hole 128 and is filled into the heat exchange tank 110 through the fluid discharge hole 134, that is, the upper side of the mechanical seal 116 built in the heat exchange tank 110 And is discharged to the outside of the heat exchange tank 110 through the fluid outlet pipe 114a.

On the other hand, the first friction heating body 120 further includes a first driving motor 136 disposed outside the heat exchange tank 110.

The first drive motor 136 is fixedly mounted on the upper surface of the first cover 112a as shown in Fig. The first driving shaft 138 extending from the first driving motor 136 is connected to the upper surface of the finishing plate 132 through the first cover 112a.

That is, when the first driving motor 136 rotates the first driving shaft 138, the first friction heating body 120 connected to the first driving shaft 138 is rotated to one side along the first driving shaft 138.

Here, the first drive shaft 138 and the finishing plate 132 may be connected through a common coupling (not shown), or may be connected by welding or the like. It is preferable that the first cover 112a and the first drive shaft 138 passing through the first cover 112a are sealed so as to prevent the fluid from leaking by a conventional method. A normal mechanical seal may be provided between the cover 112a and the first drive shaft 138 to seal the first cover 112a and the first drive shaft 138. [

1, the second frictional heating body 140 is disposed inside the first frictional heating body 120 and extends along the longitudinal direction of the first frictional heating body 120, 120 in the opposite direction.

The second frictional heating body 140 includes a heating rotation shaft 142 extending along the fluid guide hole 128 formed in the first frictional heating body 120, And a plurality of second heating members 144 fixedly mounted on the rotary shaft 142. The second heating member 144 is constituted by one friction heating wheel 145 as shown in FIGS. 1 and 3. The friction heating wheel 145 includes a boss 146 And a second friction disc 148 extending radially outwardly of the boss 146 on the outer circumferential surface of the boss 146. [

The bosses 146 of the friction heating wheel 145 are fixedly mounted to the heating rotation shaft 142 by a conventional set screw 148 are inserted into the adjacent friction space part 130 to form a friction gap S with the first friction discs 126 forming the friction space part 130. [ And the outer circumferential surface of the boss 146 and the inner circumferential surface of the first friction disc 126 are spaced to allow fluid to flow into the respective friction space portion 130. [

That is, the fluid introduced into the heat exchange tank 110 through the fluid inlet pipe 114b flows sequentially through the fluid guide holes 128 into the friction space portion 130 formed in multiple stages. In this way, the friction space portion 130 Is compressed by the first and second friction disks 126 and 148 of the first and second friction heaters 120 and 140 which rotate in opposite directions when flowing through the friction gap S, And the heated fluid that has passed through the friction space portion 130 disposed at the uppermost portion flows to the upper side of the fluid guide hole 128 and flows into the heat exchange tank 110 through the fluid discharge hole 134, And is discharged to the outside of the heat exchange tank 110 through the fluid outlet pipe 114a while filling up the upper side of the mechanical seal 116 built in the heat exchange tank 110. [

The second friction heating body 140 further includes a second driving motor 150 disposed outside the heat exchange tank 110.

The second drive motor 150 is fixedly mounted on the lower end face of the second cover 112b as shown in Fig. The second driving shaft 152 extending from the second driving motor 150 extends through the second cover 114b toward the heating rotation shaft 142. At this time, the second driving shaft 152 and the heating rotation shaft 142 (Not shown) or the like.

That is, when the second driving motor 150 rotates the second driving shaft 152, the heating rotation shaft 142 connected to the second driving shaft 152 is rotated to the other side along the second driving shaft 152, The second heating members 144 fixed to the heating rotation shaft 142 rotate in a direction opposite to that of the first heating member 122 of the first friction heating body 120 as the first heating member 142 rotates to the other side.

Here, the connection between the heating rotatable shaft 142 and the second driving shaft 152 using a set screw, between the boss 146 and the heating rotary shaft 142, and the normal coupling, Detailed description will be omitted. And the second drive shaft 152 passing through the second cover 112b is sealed so that the fluid does not leak by a conventional method. For example, the second cover 112b and the second drive shaft 152, A normal mechanical seal can be opened between the drive shafts 152 to seal between the second cover 112b and the second drive shaft 152. [

Although it is not shown in the first and second friction disks 126 and 148, it can be understood that the friction grooves may be formed in various patterns so as to increase friction efficiency.

On the other hand, Figs. 4A to 6 show another embodiment of the second heating member.

4A and 4B are views showing another embodiment of the second heating member. The second heating member 244 has the same structure as that of the second heating member 144 shown in FIG. 1, 1) corresponding to the heating rotary shaft 142 (see Fig. 1).

These second heating members 244 are composed of one fixed friction heating wheel 246 and one rotating friction heating wheel 256.

The fixed friction heating wheel 246 includes a fixed boss 248 fitted and fixed to the heating rotary shaft 142 by a set screw (not shown) or the like as shown in Fig. 4A, And an annular second friction disc 250 extending radially outwardly of the fixed boss 248 on the outer circumferential surface. The rotating friction heating wheel 256 also includes a rotating boss 258 rotatably fitted to the heating rotating shaft 142 and a third rotating annular boss 258 extending radially outwardly of the rotating boss 258 on the outer peripheral surface of the rotating boss 258. [ And a friction disk (260).

The rotation boss 258 rotatably supports the lower end surface of the fixing boss 248 fixedly mounted on the heating rotation shaft 142 and rotatably supports the second friction disc 250 and the third friction disc 260, A friction gap S is formed between the first friction disc 260 and the second friction disc 260. This is because the rotation boss 258 is protruded toward the outside of the lower end surface of the third friction disc 260 by the friction gap S, (S) of the second friction disc (250).

A friction jaw 252 is formed on the outer circumferential surface of the second friction disc 250 so as to surround the outer circumferential surface of the third friction disc 260. A plurality of fluid suction holes 254 are formed in the friction jaw 252, And the third friction disc 260 is formed with a third friction disc 260 so that the third friction disc 260 can be rotated by pressure on the fluid introduced into the fluid suction hole 254 side, A plurality of troughs 262 are formed on the outer circumferential surface of the third friction disc 260 at equal intervals along the outer circumferential surface of the third friction disc 260 so as to be concave toward the rotational center side of the third friction disc 360 on the outer circumferential surface of the third friction disc 260 do.

The second and third friction discs 250 and 260 of the second heating member 244 formed as described above are inserted into the adjacent friction space portion 130 to form the first The outer circumferential surface of the fixed boss 248 and the inner circumferential surface of the first friction disc 126 are in fluid communication with the respective friction space portions 130, .

1) through the fluid inlet pipe 114b (see FIG. 1) flows sequentially through the fluid guide holes 128 into the friction space portion 130 formed in multiple stages The fluid that has flowed toward the friction space part 130 rotates in opposite directions when flowing through the friction gap S formed by the second and third friction discs 250 and 260 and the first friction discs 126, The first heating member 122 (see Fig. 1) and the second heating member 244 which are made of the same material.

And a portion of the fluid that is heated while flowing through the friction gap S formed by the second and third friction discs 250 and 260 and the first friction discs 126 moves to the fluid suction The third friction disc 260 is guided to the third friction disc 260 side through the hole 254 by the driving force of the fluid guided through the fluid suction hole 254, And the fluid flowing in the friction gap S formed by the second and third friction discs 250 and 260 is rotated in the opposite direction to the second and third friction discs 250 and 260 And is heated while being compressed and rubbed.

Here, although it is not shown in the second and third friction disks 250 and 260, it can be understood that the friction grooves may be formed in various patterns so as to increase friction efficiency.

5 is a view showing another embodiment of the second heating member. The second heating member 344 has the same structure as that of the second heating member 144 shown in Fig. 1, (See Fig. 1) corresponding to the heating rotary shaft 142 (see Fig. 1).

These second heating members 344 include first and second fixed friction heating wheels 346a and 346b and one rotating friction heating wheel 346b disposed between the first and second fixed friction heating wheels 346a and 346b 356).

The first and second fixed friction heating wheels 346a and 346b are fixed to the heating rotation shaft 142 by a set screw (not shown) Bosses 348a and 348b and annular second and third friction discs 348a and 348b extending radially outward of the first and second fixing bosses 348a and 348b on the outer peripheral surfaces of the first and second fixing bosses 348a and 348b. (350a, 350b). The rotating friction heating wheel 356 also includes a rotating boss 358 rotatably fitted to the heating rotation shaft 142 and a fourth rotating shaft 358 extending radially outwardly of the rotating boss 358 on the outer peripheral surface of the rotating boss 358. [ And a friction disk 360.

Here, the rotation boss 358 is rotatably supported between the first and second fixing bosses 348a and 348b fixedly mounted on the heating rotation shaft 142, and the second and third friction disks 350a and 350b A friction gap S is formed between the fourth friction discs 360. This is because the rotation bosses 358 are formed by protruding outwardly from the upper end surface and the lower end surface of the fourth friction disc 260 by the friction gap S Or the first and second fixing bosses 348a and 348b protrude outward from the lower end face and the upper end face of the second and third friction discs 350a and 350b by the friction gap S,

The first and second friction jaws 352a and 352b are formed on the outer circumferential surfaces of the second and third friction disks 350a and 350b and the second and third friction disks 350a and 350b are formed so as to cover the fourth friction disk 360. [ (350a, 350b) on the outer circumferential surface so as not to interfere with each other.

The second and third friction discs 350a and 350b surrounding the fourth friction disc 360 of the second heating member 344 formed as described above are inserted into the adjacent friction space portion 130, A friction gap S is formed between the outer circumferential surface of the fixing bosses 348a and 348b and the outer circumferential surface of the first friction disc 126 (see FIG. 1) Is spaced such that fluid can flow into each of the friction space portions 130.

1) through the fluid inlet pipe 114b (see FIG. 1) flows sequentially through the fluid guide holes 128 into the friction space portion 130 formed in multiple stages The fluid that has flowed toward the friction space portion 130 rotates in opposite directions when flowing through the friction gap S formed by the second and third friction discs 350a and 350b and the first friction discs 126, The first heating member 122 (see FIG. 1) and the second heating member 344 which are made of the same material.

And a part of the fluid heated while flowing through the friction gap S formed by the second and third friction discs 350a and 350b and the first friction discs 126 is separated from the first and second friction chisels 352a and 352b, The fluid flowing into the fourth friction disc 360 side flows through the second friction disc 350a and the third friction disc 350b and the fourth friction disc 360b through the friction gap S formed by the second friction disc 350b, The first and second friction disks 350a and 350b are frictionally heated while flowing through the friction gap S formed by the first and second friction disks 350 and 350a and stagnate inside the second and third friction disks 350a and 350b to heat the second and third friction disks 350a and 350b.

The fluid flowing in the friction gap S formed by the second and third friction discs 350a and 350b and the first friction discs 126 is rotated by the first heating member 122 and the second The heat of the heated second and third friction disks 350a and 350b as well as being heated by being compressed and rubbed by the heating member 344 can be conducted to increase the heating efficiency of the fluid.

Here, although it is not shown in the second, third, and fourth friction disks 350a, 350b, and 360, it can be understood that the friction grooves may be formed in various patterns so as to increase friction efficiency.

6 is a view showing another embodiment of the second heating member 442. The second heating member 444 has the same structure as that of the second heating member 144 shown in Fig. (See Fig. 1) corresponding to the heating rotary shaft 142 (see Fig. 1).

These second heating members 344 include first and second fixed friction heating wheels 446a and 446b and one rotating friction heating wheel 450 disposed between the first and second fixed friction heating wheels 446a and 446b 456).

The first and second fixed friction heating wheels 446a and 446b are fixed to the heating rotation shaft 142 by a set screw (not shown) The bosses 448a and 448b and the annular second and third friction disks 448a and 448b extending radially outward of the first and second fixing bosses 448a and 448b on the outer circumferential surfaces of the first and second fixing bosses 448a and 448b, (450a, 450b). The rotating friction heating wheel 456 further includes a rotation boss 458 rotatably fitted to the heating rotation shaft 142 and a fourth rotary shaft 458 extending radially outwardly of the rotation boss 458 on the outer peripheral surface of the rotation boss 458. [ And a friction disk 460.

Here, the rotation boss 458 is rotatably supported between the first and second fixing bosses 448a and 448b fixedly mounted on the heating rotation shaft 142, and the second and third friction disks 450a and 450b A friction gap S is formed between the fourth friction discs 460. This is because the rotation bosses 458 are formed protruding outward from the upper end surface and the lower end surface of the fourth friction disc 460 by the friction gap S Or the first and second fixing bosses 448a and 448b protrude outward from the lower end surface and the upper end surface of the second and third friction disks 450a and 450b by the friction gap S,

The second and third friction discs 450a and 450b of the second heating member 444 formed as described above are inserted into the adjacent friction space portion 130 to form the first And another friction gap S is formed between the friction disc 126 and the friction disc 126 (see FIG. 1). Here, the outer circumferential surfaces of the first and second fixing bosses 448a and 448b and the inner circumferential surface of the first friction disc 126 are spaced apart to allow fluid to flow into the respective friction space portions 130. [

At this time, the first fixed friction heating wheel 446a disposed at the lower end side of the rotational friction heating wheel 456 is formed at regular intervals along the outer circumferential surface of the second friction disc 450a, First heating grooves 470 extending downward from the upper surface of the second friction disk 450a contacting the first fixing boss 448a toward the first fixing boss 448a side, An annular second heat generating groove 472 extending toward the lower end surface side of the first fixing boss 448a and connected to the first heat generating grooves 470 is formed.

The second fixed friction heating wheel 446b disposed on the upper side of the rotational friction heating wheel 456 is formed at equal intervals along the outer circumferential surface of the third friction disc 450b while being spaced apart from the outer circumferential surface of the third friction disc 450b Third heating grooves 474 extending from the lower end face of the third friction disk 450b contacting to the second fixing boss 448b toward the second fixing boss 448b toward the second fixing boss 448b, An annular fourth heat generating groove 476 extending toward the upper surface side of the fixing boss 448b and connected to the third heat generating grooves 474 is formed.

Here, the first heating groove 470 and the third heating groove 474 are curved with a predetermined curvature toward the rotating direction side of the first and second fixed friction heating wheels 446a and 446b, The openings formed on the side of the fixed bosses 448a and 448b are formed narrower than the openings formed on the outer circumferential surface of the second and third friction discs 450a and 450b.

The rotation friction heating wheel 456 is formed at regular intervals along the outer circumferential surface of the fourth friction disc 460 and extends from the outer circumferential surface of the fourth friction disc 460 toward the rotation boss 458 in a gradually widening And a second heating hole 480 connected to the first heating holes 478 through the lower end surface of the rotation boss 458 at the upper surface of the rotation boss 458, .

  Here, the first heating hole 478 is curved with a predetermined curvature toward the rotational direction side of the rotating friction heating wheel 456.

The first friction heating wheel 446a is equally spaced along the outer circumferential surface of the second friction disc 450a so as not to interfere with the first heat generating grooves 470 and the upper surface of the second friction disc 450a Fifth heating grooves 482 extending from the outer peripheral surface of the abutting second friction disk 450a toward the first fixing boss 448a side are formed and the second fixed friction heating wheel 446b is provided with the third heating The first and second friction disks 450a and 450b are formed at regular intervals along the outer circumferential surface of the third friction disk 450b so as not to interfere with the grooves 474, And sixth heat generating grooves 484 extending toward the bosses 448b in a stepwise manner are formed.

Likewise, the fifth heating groove 482 and the sixth heating groove 484 are curved to have a predetermined curvature toward the rotation direction side of the first and second fixed friction heating wheels 446a and 446b, The openings formed on the side of the fixed bosses 448a and 448b are formed narrower than the openings formed on the outer circumferential surface of the second and third friction discs 450a and 450b.

That is, the fluid introduced into the heat exchange tank 110 through the fluid inlet pipe 114b (see FIG. 1) flows sequentially through the fluid guide hole 128 into the friction space portion 130 formed in multiple stages, The fluid that has flowed to the side of the portion 130 flows through the first and second frictional discs 450a and 450b and the first frictional discs rotating in opposite directions when flowing through the frictional gap S formed by the first frictional discs Is heated by being compressed and rubbed by the member 122 (see Fig. 1) and the second heating member 444.

The fifth heating grooves 482 formed on the lower end surface of the second friction disk 450a rotate along the second friction disk 450a to move the fluid introduced into the friction space 130 toward the second friction disk 450a And the sixth heat generating grooves 484 formed on the upper surface of the third friction disc 450b move the friction space portion 130 toward the third friction surface S formed by the third friction disc 450b, A portion of the fluid that exits the friction space portion 130 while rotating along the friction disk 450b flows toward the friction gap S side formed by the third friction disk 450b and the fourth friction disk 460 again. The fluid that has flowed toward the friction gap S formed by the second friction disc 450a and the fourth friction disc 460 and the friction gap formed by the third friction disc 450b and the fourth friction disc 460 S side of the second friction disc 450a are respectively formed with a first heat generating groove 470 and a second heat generating groove 472 formed on the second friction disc 450a and a third heat generating groove 474 formed on the third friction disc 450b, The fluid guided to the second heat evacuation hole 480 side is guided to the second heat evacuation hole 480 side formed on the rotary friction heating wheel 456 along the first heat evolving grooves 476 and the fourth heat evolved grooves 476, And is discharged to the side of the friction space portion 130 again.

In other words, the second heating member 444 shown in FIG. 6 frictionally heats the fluid while repeatedly circulating the fluid inside the friction space portion 130.

1 to 6 show the friction disks 126, 148, 250, 260, 350a, 350b, 360, 450a, 450b and 460 formed horizontally, 350a, 350b, 360, 450a, 450b, 460 are not limited to a horizontal shape.

For example, the friction discs 126, 148, 250, 260, 350a, 350b, 360, 450a, 450b and 460 shown in FIGS. 1 to 6 extend in a cylindrical shape, The frictional space part 130 may be formed in a conical shape so that the frictional space part 130 may be formed in a conical shape.

In the present invention, the first friction heater 120 is rotated by the operation of the first drive motor 136 when heating the fluid flowing into the heat exchange tank 110. However, the first friction heater 120 In the state where the mechanical seal 116 is interposed between the heat exchanger tank 110 and the heat exchanger tank 110 as described above, Can be fixedly mounted inside the heat exchange tank 110 by means of a heat exchanger U (see FIG. 7).

The fluid may be used for heating, hot water, steam, etc. in a home, industrial facility, or agricultural facility.

The friction heating apparatus 100 is not limited to the construction and operation of the embodiments described above. The embodiments may be configured so that all or some of the embodiments may be selectively combined so that various modifications may be made.

100: Friction heating apparatus 110: Heat exchange tank
116: Mechanical seal 120: First friction heater
122: first heating member 130: friction space part
140: second friction heating body 144, 244, 344, 444: second heating member

Claims (22)

A heat exchange tank having a fluid inlet pipe and a fluid outlet pipe;
A first friction heating body rotatably disposed in the heat exchange tank;
And a second frictional heating member disposed inside the first frictional heating member so as to be rotatable in a direction opposite to the first frictional heating member and frictionally heating a fluid flowing between the first frictional heating member and the first frictional heating member together with the first frictional heating member A heating body; And
And a mechanical seal interposed between the heat exchange tank and the first frictional heating body for rotatably supporting the first frictional heating body and flowing the fluid between the first frictional heating body and the second frictional heating body In addition,
Wherein the first friction heating body comprises:
A plurality of first heating members having a horizontal annular flange having an outer circumferential surface and an inner circumferential surface, and a first friction disc having an outer circumferential surface and an inner circumferential surface which are continuous with the inner circumferential surface of the flange,
Each of the first heating members is stacked with the flanges thereof being vertically abutted to each other, and the upper surface of the first heating member, which is stacked on the uppermost stage, is closed by the finishing plate, One fluid guide hole is formed by the inner circumferential surfaces of the first friction disk, friction space portions are formed between the first friction disks,
The finishing plate is fixedly mounted on the first heating members stacked by the lowermost first heating member, a plurality of fastening bolts passing through the finishing plate, and a fastening nut fastened to the fastening bolts passing through the finishing plate And a fluid discharge hole for discharging the fluid heated by the first frictional heating element and the second frictional heating element to the upper side of the mechanical seal built in the heat exchange tank while flowing along the fluid guide hole to the finishing plate Heating device.
A heat exchange tank having a fluid inlet pipe and a fluid outlet pipe;
A first friction heating member fixedly disposed inside the heat exchange tank;
A second frictional heating member rotatably disposed in the first frictional heating member and frictionally heating a fluid flowing between the first frictional heating member and the first frictional heating member together with the first frictional heating member; And
And a mechanical seal interposed between the heat exchange tank and the first frictional heating body for flowing a fluid between the first frictional heating body and the second frictional heating body,
Wherein the first friction heating body comprises:
A plurality of first heating members having a horizontal annular flange having an outer circumferential surface and an inner circumferential surface, and a first friction disc having an outer circumferential surface and an inner circumferential surface which are continuous with the inner circumferential surface of the flange,
Each of the first heating members is stacked with the flanges thereof being vertically abutted to each other, and the upper surface of the first heating member, which is stacked on the uppermost stage, is closed by the finishing plate, One fluid guide hole is formed by the inner circumferential surfaces of the first friction disk, friction space portions are formed between the first friction disks,
The finishing plate is fixedly mounted on the first heating members stacked by the lowermost first heating member, a plurality of fastening bolts passing through the finishing plate, and a fastening nut fastened to the fastening bolts passing through the finishing plate And a fluid discharge hole for discharging the fluid heated by the first frictional heating element and the second frictional heating element to the upper side of the mechanical seal built in the heat exchange tank while flowing along the fluid guide hole to the finishing plate Heating device.
The method according to claim 1 or 2,
Wherein the heat exchange tank is hollow and has an upper and a lower open housing shape, the open upper and lower ends are closed by first and second covers, respectively,
Wherein the fluid outflow pipe is mounted on an outer circumferential surface of the heat exchange tank adjacent to the first cover and the fluid inflow pipe is mounted on an outer circumferential surface of the heat exchange tank adjacent to the second cover.
The method according to claim 1 or 2,
Wherein the mechanical seal is disposed between the fluid outlet pipe and the fluid inlet pipe so as to prevent the fluid from flowing upward through the fluid inlet pipe so that the fluid flows between the first and second friction heating bodies .
delete delete The method according to claim 1,
The first friction heating body further includes a first driving motor,
Wherein the first drive motor is fixedly mounted on an upper surface of a first cover closing an open top of the heat exchange tank, a first drive shaft extending from the first drive motor passes through the first cover, And connected to the top surface of the finishing plate of the sieve.
The method of claim 3,
The second friction heating body may include:
A heating rotary shaft extending along the fluid guide hole; A plurality of second heating members fixedly mounted on the heating rotation shaft corresponding to the respective friction space portions; And a second drive motor,
Wherein the second heating member comprises:
A boss fixedly mounted on the heating rotation shaft and a second friction disk extending radially outwardly of the boss on an outer circumferential surface of the boss,
The second friction disc is inserted into the adjacent friction space portion to form a friction gap in which the fluid is compressed and rubbed between the first friction discs forming the friction space portion,
Wherein an outer circumferential surface of the boss and an inner circumferential surface of the first friction disc are spaced apart to allow fluid to flow into the friction space portion,
Wherein the second drive motor is fixedly mounted on a lower end surface of the second cover and the second drive shaft extending from the second drive motor is connected to the heating rotation shaft through the second cover.
The method of claim 3,
The second friction heating body may include:
A heating rotary shaft extending along the fluid guide hole; A plurality of second heating members fixedly mounted on the heating rotation shaft corresponding to the respective friction space portions; And a second drive motor,
Wherein the second heating member comprises:
A stationary boss fixedly mounted on the heating rotary shaft and a second frictional wheel having an annular shape extending radially outward from the outer circumferential surface of the stationary boss; And
And a rotating friction heating wheel having an annular third friction disc extending radially outward of the rotating boss on the outer circumferential surface of the rotating boss,
The second friction disc and the third friction disc are inserted into the adjacent friction space portion to form a friction gap in which fluid is compressed and rubbed between the first friction discs and the first friction discs forming the friction space portion,
Wherein an outer circumferential surface of the fixed boss and an inner circumferential surface of the first friction disk are spaced apart to allow fluid to flow into the friction space portion,
Wherein the second drive motor is fixedly mounted on a lower end surface of the second cover and the second drive shaft extending from the second drive motor is connected to the heating rotation shaft through the second cover.
The method of claim 9,
Wherein the rotation boss is rotatably supported by a lower end face on an upper face of a fixing boss fixedly mounted on the heating rotation shaft,
The rotation boss is formed to protrude outwardly from the lower end surface of the third friction disc by another friction gap so that another friction gap is formed between the second friction disc and the third friction disc, And is formed protruding outward from the upper end surface of the second friction disk by another friction gap.
The method of claim 9,
A friction rim is formed on an outer circumferential surface of the second friction disc to surround the outer circumferential surface of the third friction disc,
Wherein a plurality of fluid suction holes are formed on the outer peripheral surface of the third friction disk so that the third friction disk rotates Wherein a plurality of troughs are formed concavely toward the rotation center side along the outer peripheral surface of the third friction disk.
The method of claim 3,
The second friction heating body may include:
A heating rotary shaft extending along the fluid guide hole; A plurality of second heating members fixedly mounted on the heating rotation shaft corresponding to the respective friction space portions; And a second drive motor,
Wherein the second heating member comprises:
A first fixed boss fixed to the heating rotation shaft and fixed to the first fixed boss; a first fixed friction heating wheel having an annular second friction disk extending radially outward from the outer peripheral surface of the first fixing boss;
A second fixed friction bob having an annular third friction disc extending radially outwardly of the second fixed boss on the outer circumferential surface of the second fixed boss; And
A rotating boss rotatably fitted to the heating rotation shaft, the rotating boss being disposed between the first fixing boss and the second fixing boss, and a second boss extending from the outer peripheral surface of the rotating boss radially outward of the rotating boss, And a rotating friction heating wheel having an annular fourth friction disc that is wrapped around the third friction disc,
The second friction disk surrounding the fourth friction disk and the third friction disk are inserted into the adjacent friction space portion to compress and rub fluid between the first friction disks and the first friction disks forming the friction space portion Forming a friction gap,
Wherein an outer circumferential surface of the first fixing boss and the second fixing boss and an inner circumferential surface of the first friction disc are spaced apart to allow fluid to flow into the friction space portion,
Wherein the second drive motor is fixedly mounted on a lower end surface of the second cover and the second drive shaft extending from the second drive motor is connected to the heating rotation shaft through the second cover.
The method of claim 12,
The second friction disc and the third friction disc are provided with a first friction disc and a second friction disc which are formed along the outer circumferential surface of the second friction disc and the third friction disc so as to cover the fourth friction disc, And a second frictional chin are formed on the first frictional surface.
The method of claim 12,
The rotation boss is protruded outward from the upper face and the lower face of the fourth friction disk by another friction gap so that another friction gap is formed between the second friction disk and the third friction disk and the fourth friction disk Or the first fixing boss and the second fixing boss protrude to the outside of the lower end surface and the upper end surface of the second friction disc and the third friction disc by another friction gap.
The method of claim 3,
The second friction heating body may include:
A heating rotary shaft extending along the fluid guide hole; A plurality of second heating members fixedly mounted on the heating rotation shaft corresponding to the respective friction space portions; And a second drive motor,
Wherein the second heating member comprises:
A first fixed boss fixed to the heating rotation shaft and fixed to the first fixed boss; a first fixed friction heating wheel having an annular second friction disk extending radially outward from the outer peripheral surface of the first fixing boss;
A second fixed friction bob having an annular third friction disc extending radially outwardly of the second fixed boss on the outer circumferential surface of the second fixed boss; And
A rotary boss rotatably fitted to the heating rotary shaft, the rotary boss being disposed between the first fixing boss and the second fixing boss, and an annular fourth friction disk extending radially outward from the outer peripheral surface of the rotary boss, A rotating friction heating wheel,
Wherein the second friction disc, the third friction disc, and the fourth friction disc are inserted into the adjacent friction space portion to form a frictional friction between the first friction discs forming the friction space portion and the fluid Forming a gap,
Wherein an outer circumferential surface of the first fixing boss and the second fixing boss and an inner circumferential surface of the first friction disc are spaced apart to allow fluid to flow into the friction space portion,
Wherein the second drive motor is fixedly mounted on a lower end surface of the second cover and the second drive shaft extending from the second drive motor is connected to the heating rotation shaft through the second cover.
16. The method of claim 15,
Wherein the first fixed friction heating wheel disposed at the lower end side of the rotational friction heating wheel is formed at an equal interval along the outer circumferential surface of the second friction disc and at an upper surface of the second friction disc abutting the outer circumferential surface of the second friction disc, Wherein the first fixing boss extends from the first fixing boss toward the first fixing boss, and the first fixing boss extends from the first fixing boss toward the first fixing boss, An annular second heating groove to be connected is formed,
Wherein the second fixed friction heating wheel disposed at the upper end side of the rotating friction wheel is formed at a lower end surface of the third friction disc, which is formed at an equal interval along the outer circumferential surface of the third friction disc and contacts the outer circumferential surface of the third friction disc, Wherein the third fixing boss extends from the first fixing boss to the third fixing boss and extends from the second fixing boss toward the second fixing boss toward the top surface of the second fixing boss, And the fourth heat generating groove is formed.
18. The method of claim 16,
The first heating grooves and the third heating grooves are formed to be curved toward the rotation direction side of the first fixed friction heating wheel and the second fixed friction heating wheel, and at the same time, the first heating grooves and the third heating grooves are formed on the side of the first fixing boss and the second fixing boss And the formed openings are formed to be narrower than the openings formed on the outer circumferential surface side of the second friction disc and the third friction disc.
18. The method of claim 16,
Wherein the rotary friction heating wheel is provided with first heating elements which are formed at regular intervals along the outer circumferential surface of the fourth friction disk and extend so as to gradually increase in diameter from an outer circumferential surface of the fourth friction disk to the rotation boss side, And a second heating hole penetrating a lower end surface of the rotation boss at an upper end surface of the rotation boss and connected to the first heating holes,
And the second heating hole is connected to the second heating groove and the fourth heating groove.
19. The method of claim 18,
Wherein the first heating holes are formed to be curved toward the rotational direction side of the rotating friction wheel.
18. The method of claim 16,
The first friction heating wheel may be formed at equal intervals along the outer circumferential surface of the second friction disc so as not to interfere with the first heat generating grooves, and may be formed from an outer circumferential surface of the second friction disc abutting the upper surface of the second friction disc And fifth heat generating grooves extending downward toward the first fixing boss side are formed,
The third friction discs are formed at equal intervals along the outer circumferential surface of the third friction disc so as not to interfere with the third heat generating grooves, and the second friction discs are spaced from the outer circumferential surface of the third friction disc, And sixth heat generating grooves extending toward the second fixing boss side in a stepwise manner.
The method of claim 20,
The fifth heating groove and the sixth heating groove are formed so as to be curved toward the rotation direction side of the first fixed friction heating wheel and the second fixed friction heating wheel and at the same time formed on the first fixing boss and the second fixing boss side And the opening is formed to be narrower than the opening formed on the outer peripheral surface side of the second friction disk and the third friction disk.
delete
KR1020160012757A 2016-02-02 2016-02-02 Frictional heating device KR101832420B1 (en)

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CN109269104A (en) * 2018-08-17 2019-01-25 芜湖鸣人热能设备有限公司 A kind of electric heater of homogeneous heating

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100961912B1 (en) 2009-10-06 2010-06-07 전복진 Impelling instant boiler utilizing compression heat and friction heat
KR101306165B1 (en) * 2012-12-13 2013-09-09 정기영 A system friction heat

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100961912B1 (en) 2009-10-06 2010-06-07 전복진 Impelling instant boiler utilizing compression heat and friction heat
KR101306165B1 (en) * 2012-12-13 2013-09-09 정기영 A system friction heat

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