JP2006122480A - Warmed stone bath apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a warmed stone bath apparatus with which effects useful and satisfactory for health promotion and refreshing such as a weight reduction effect, a refreshing effect, far-infrared effect, a hormes effect by raising humidity together with temperature so as to stimulate comfortable sweating action. <P>SOLUTION: This apparatus is provided with a placed stone layer 15 formed by laying stones 8 using radium ore within a warmed stone bath apparatus which can be nearly closed; a stored water stored so as to soak the placed stone layer to its middle height position with it; and heating means 13 and 14 for heating the stored water. The heating means 13 and 14 raises humidity in the bath apparatus body A1 together with temperature. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a hot stone bath apparatus that promotes sufficient sweating by increasing the humidity as well as the temperature, and provides a warm stone bath effect such as a slimming effect, a refreshing effect, a far red effect, and a radon effect.

Conventionally, as this type of device, for example, there are the following sauna devices. That is, this sauna device is provided with a superheater tube and a gas blowing tube at the bottom of the main body of the device, and the superheater tube and the gas blowing tube are made of a warm bath made of salt and sand or a crushed ore having a warm bath effect. It is buried. And with the cover member closed, the warm bath agent is heated by the superheater tube, the dry hot air obtained by the gas blowing tube is supplied into the device body, and the interior of the device body is set to be 40 to 60 degrees. The apparatus body is configured to be filled with a warm bath agent component (see, for example, Patent Document 1).
JP-A-8-705 (page 2-4, FIG. 2)

  However, the sauna apparatus according to Patent Document 1 overheats the warm bath agent in the apparatus body, supplies dry hot air into the apparatus body, and promotes sweating of the body by bathing in a dry heat state, thereby recovering fatigue, health. It is intended to improve, but does not maintain high humidity. In this way, if the high humidity is not maintained, the temperature inside the device main body is relatively low at 40 degrees to 60 degrees, so that a comfortable sweating action cannot be sufficiently obtained, which is useful for health promotion such as slimming and refreshing. However, a satisfactory effect cannot be obtained.

  Therefore, the present invention has been made to solve the above-mentioned problems, and it is possible to promote a comfortable sweating action by increasing the humidity as well as the temperature in the main body of the hot stone bath device. It is an object of the present invention to provide a hot stone bath apparatus that can provide satisfactory effects such as a far-red effect and a horimis effect to help promote health and restore energy.

  In order to achieve this object, the hot stone bath device according to the present invention is a hot stone bath device body that can be closed in a substantially sealed manner, and a mounting stone layer formed by laying stones using radium ore in the hot stone bath device body, It is provided with stored water stored so as to be immersed to a height position in the middle of the stone layer, and heating means for heating the stored water, and the heating means increases the humidity together with the temperature in the main body of the hot stone bath device. Consists of configuration.

  It is preferable that the temperature in the hot stone bath apparatus main body is set to 35 to 50 degrees and the humidity is 80% or more by the heating means.

  Moreover, it is preferable that the said heating means consists of a sealed radiant pipe which is arranged in the stored water and in which the liquid circulates, and a heater which heats the liquid which circulates in the radiant pipe.

  Further, in the hot stone bath apparatus, for example, a plurality of dish frames having water permeability and having an open upper surface are laid in the hot stone bath apparatus body without gaps, and radium ore is crushed and formed in each dish frame. It is preferable that the gravel is filled and the pan frame filled with gravel has a weight that can be lifted by hand.

  The hot stone bath device according to the present invention stores water so as to be immersed up to a halfway height position of the mounting stone layer, and raises the temperature of the stones together with the stored water to a predetermined temperature, so that the temperature in the hot stone bath device main body is increased. Since the humidity is increased, sufficient humidity is maintained with a predetermined temperature, and a comfortable sweating action can be promoted. As a result, effects such as a slimming effect, a refreshing effect, a far-red effect, and a holistic effect can be obtained that can be used to promote health and rejuvenate.

  Also, if the heating means is set so that the temperature in the hot stone bath apparatus body is 35 ° to 50 ° C. and the humidity is 80% or more, the burden on the body of the bather is light and bad because the temperature is low. Not easily affected.

  Furthermore, if the heating means comprises a sealed radiant pipe that is arranged in the stored water and in which the liquid circulates, and a heater that heats the liquid that circulates in the radiated pipe, temperature control when warming the stored water is easy. In addition, it is easy to exchange stored water. In addition, if a sterilizing device such as a sterilizing lamp or a photocatalytic device is provided in the hot stone bath main body at the same time, there is an effect that the propagation of miscellaneous bacteria such as Dineola bacteria is also suppressed.

  By the way, if a plurality of framing frames to be laid are filled with radium ore gravel or ceramic balls containing radium ore, and the framing frame filled with these has a weight that can be lifted by hand, With the gravel or ceramic balls, the dish frame can be held and taken out as it is, and there is an effect that maintenance such as cleaning in the hot stone bath main body is simplified.

  Embodiments of a hot stone bath apparatus according to the present invention will be described below in detail with reference to the drawings. 1 is a perspective view of a hot stone bath device according to the present invention, FIG. 2 is an exploded perspective view thereof, FIG. 3 is a transverse sectional view thereof, and FIG. 4 is a longitudinal sectional view thereof. The hot stone bath device A includes a hot stone bath device main body A1 and a liquid circulation mechanism A2. The hot stone bath apparatus main body A1 includes a rectangular base box 1 having an open upper surface and a lid member 2 covering the upper surface.

  The table box 1 is made of a metal plate and has a size that allows a bather to enter and lie down, and a water tank 3 having a predetermined depth is formed therein. On the upper surface of the bottom wall 3a of the water storage tank 3, shelves 4 are arranged in a lattice shape so that a tray frame 7 to be described later can be supported from the lower surface and arranged in parallel along the longitudinal direction. Further, a drain pipe 5 is provided on one side of the bottom wall 3a, and an openable / closable stopper 6 is fitted to the drain pipe 5. This is for exchanging the stored water stored in the water tank 3 of the table box 1, and for this reason, the upper surface of the bottom wall 3 a of the water tank 3 may be inclined downward toward the drain pipe 5. preferable.

  A plurality of dish frames 7 are arranged side by side on the upper surface of the shelf board 4. These dish frames 7 are for filling and spreading gravel 8 as stones, and are made of stainless steel and are shallowly formed. 7a is stretched. In addition, horizontal handle plates 9 and 9 are integrally projected from both inner edges of each dish frame 7 so as to put a hand when lifting up. The size of the dish frame 7 is selected so as to have a weight that can be lifted by hand in a state where the gravel 8 is filled.

  The gravel 8 is obtained by pulverizing natural radium ore, and has a size almost equal to that of a thumb, so that a far-red effect, a hormys effect, a slimming effect, a refreshing effect, and a shiatsu effect can be obtained. In addition, you may make it mix other natural stones, such as barley-stone and tourmaline stone. In addition, as stones, stone plates of a predetermined size formed from natural radium ore, ceramic balls containing natural radium ore powder (a spherical shape with a size of almost thumb size), natural radium ore Although there are ceramic plates of a predetermined size containing powder, even if these are used, the same effect as gravel 8 can be obtained.

  The lid member 2 is made of a synthetic resin and is formed of a semi-transparent lower lid member 2a that is curved like a bowl and an upper lid member 2b that overlaps the upper side of the lower lid member 2a. These upper and lower lid members 2a and 2b are placed along the longitudinal direction of the upper surface of the table box 1, and the upper lid member 2b slides along the longitudinal direction. Both the inner surfaces of the upper and lower lid members 2a and 2b are mirror-finished so as to reflect far-infrared rays and increase the efficiency of the far-red effect. The lower lid member 2a has a front end surface opened and a rear end surface closed, and the upper lid member 2b has both end surfaces opened. A semi-circular covering fabric 10 is attached to the front surface of the upper lid member 2b so as to close the front surface, and a notch recess 11 for projecting the face out is formed at the lower end of the center. Further, a handle 12 for sliding the upper lid member 2b is provided on the front end periphery of the upper lid member 2b. As a result, the inside of the hot stone bath apparatus main body A1 (portion above the loading stone layer 15) is formed into a hollow shape, and the inside of the hot stone bath apparatus main body A1 can be closed almost in a sealed manner. Further, a sterilizer 16 for sterilizing air and water in the hot stone bath main body A1 is provided above the rear part inside the lower lid member 2a. For example, there are germicidal lamps and photocatalytic devices.

  Although not shown, the upper and lower lid members 2a and 2b are arranged in the longitudinal direction so as not to overlap each other, and the lower edge on one side of the upper and lower lid members 2a and 2b is placed on a table via a hinge. The upper and lower lid members 2a and 2b may be connected to one side upper surface of the box 1 and opened and closed in the lateral direction. A rubber packing is provided on the periphery of the rear end of the upper lid member 2b so as to block the gap between the rear end of the upper lid member 2b and the front end of the lower lid member 2a so that the water W being leaked does not leak. It is desirable.

  On the other hand, the liquid circulation mechanism A2 controls the temperature of the heat radiating pipe 13 serving as a closed heating means disposed in the water storage tank 3 of the table box 1 in multiple folds, and the liquid returning to the heat radiating pipe 13. And the control device 14 that performs. The heat radiating tube 13 is made of copper and has excellent heat conductivity. The discharge side and the suction side of the heat radiating tube 13 are connected to the control device 14. In the control device 14, a heater 14a as a heating means for heating the liquid circulating in the heat radiating pipe 13 (in this case, an alcohol liquid), a pump 14b for circulating the liquid, and a controller for adjusting the temperature of the liquid (Not shown) is arranged. The control device 14 is disposed outside and on the side of the table box 1.

  Then, two dish frames 7 are placed on the upper surface of the shelf board 4, and gravel 8 is spread on the upper surface to form the stone layer 15. In addition, the water W is stored in the water tank 3 of the table box 1 so as to be immersed up to a halfway height position of the mounting stone layer 15. In this state, the control device 14 is operated and the liquid in the heat radiating pipe 13 is circulated by the pump 14b and heated by the heater 14a. The temperature of the liquid in the heat radiating tube 13 is set to 65 degrees, for example. Moreover, although illustration is abbreviate | omitted, the temperature sensor electrically connected with a control part is each arrange | positioned in the hot stone bath apparatus main body A1 and the water storage tank 3, and the temperature of the stored water W is 40 degrees-60 degrees, for example. The desired temperature can be set within a range of degrees. Thereby, the temperature in the hot stone bath apparatus main body A1 can be appropriately selected within a range of 35 degrees to 50 degrees. Further, the humidity is maintained at 80% or more. In addition, when the temperature in the hot stone bath apparatus main body A1 exceeds 50 degrees, the pump 14b is stopped.

  Therefore, the controller 14 is operated in advance to set the temperature in the hot stone bath apparatus main body A1 to a desired temperature between 35 degrees and 50 degrees. At this time, the humidity is 80% or more. Then, for example, the bather becomes naked and wears a bathrobe, enters the hot stone bath apparatus main body A1 as shown in FIG. 4 and lies on the upper surface of the stone layer 15, and makes his face from the cutout recess 11 of the covering fabric 10. Go out. At this time, a towel may be laid on the upper surface of the mounting stone layer 15, or a pillow may be put on.

  In this state, the bather is left as it is for 30 to 40 minutes, for example. Thus, since the temperature is relatively low but the humidity is high, the body is warmed for a long time, and the sweating action from the sweat glands is promoted. As a result, sufficient effects such as a sufficient slimming effect and refreshing effect can be obtained to help promote health. Furthermore, because radium is used, radon is generated, skin cells are stimulated and activated in the body, fatigue is recovered and relaxation is achieved, as well as cancer suppression, aging prevention, diabetes A Hormis effect that can suppress the occurrence, and an acupressure effect of the entire body can also be obtained.

  After one person's hot bath is completed, the hot stone bath apparatus main body A1 is cleaned. In this case, the lid member 2 is removed and hands are placed on the handle plates 9 and 9, and each dish filled with gravel 8 is filled. The frame 7 is pulled up and removed, and the water tank 3 is cleaned. In this way, since the gravel 8 can be removed together with the tray frame 7, workability is good and maintenance such as cleaning can be easily performed. In addition, each time, the water in the hot stone bath main body A1 is exchanged, and the air and water in the hot stone bath main body A1 are sterilized by the sterilization device, so that generation of germs such as Dineola is suppressed. And is very hygienic.

  FIG. 5 shows a hot stone bath apparatus A in which a reserve tank 47 is disposed on the upper surface of the table box 1 at the rear end position of the lower lid member 2a. The reserve tank 47 is provided with an inlet 48 for supplying water to the inside of the reserve tank 47 on the upper surface, and a discharge pipe 50 protruding from the lower surface with a discharge port 49 at the lower end facing the water tank 3. The The water in the reserve tank 47 is supplied to the water storage tank 3 through the discharge pipe 50 by operating the handle 51 attached to the side surface of the reserve tank 47.

  Precisely, the water in the reserve tank 47 is warmed by the hot water stored in the water tank 3, and this hot water is supplied into the water tank 3. For example, when the hot water stored in the water storage tank 3 is reduced by evaporation, or when the hot water in the water storage tank 3 is replaced with new hot water, the hot water in the reserve tank 47 is used. Thereby, the effective utilization of the heat energy emitted from the heat radiating tube 13 is achieved. A vertical viewing window 52 with a scale is provided on the rear side surface of the reserve tank 47 so that the amount of hot water remaining in the interior can be seen from the outside.

  In addition, for example, if a bather enters the hot stone bath main body A1 and lies on the top of the stone layer 15 and enjoys the hot stone bath, and if he happens to fall asleep because he feels comfortable, there is a risk of getting in the water. Yes. Therefore, in the present invention, although not shown in the drawings, the water storage tank 3 is provided with an automatic opening / closing valve, and a supply pipe for supplying tap water or cold water and a discharge pipe for discharging these are connected, and water is supplied from the supply pipe. Is supplied into the water storage tank 3 to store water. Therefore, when exchanging old hot water, it is discharged from the discharge pipe, and new water is supplied from the supply pipe.

  A timer is built in the control device 14, and the automatic opening / closing valve is set to open and close by this timer. Then, after a bather lies on the upper surface of the stone layer 15, when a predetermined time (for example, 35 minutes to 40 minutes) elapses, the automatic opening / closing valve is activated and cold water is supplied from the supply pipe. The temperature in the main body A1 is forcibly lowered.

  6 to 10 show a hot stone bath apparatus according to another embodiment. The warm stone bath device A is a type of supine, whereas the warm stone bath device B is a sitting type. FIG. 6 is a perspective view of a hot stone bath device according to another embodiment, FIG. 7 is a perspective view of the hot stone bath device with the cover member opened, and FIG. 8 is a longitudinal sectional view thereof.

  This hot stone bath device B is also composed of a hot stone bath device body B1 and a liquid circulation mechanism B2. The hot stone bath device body B1 is made of a synthetic resin and is formed into a capsule shape, and has a size enough to accommodate one person taking a bath. The hot stone bath apparatus main body B1 includes a base 21 whose front surface is open and a cover member 22 that is pivotally attached to the lower portion on the front side of the base 21 and rotates back and forth to open and close the front surface of the base 21.

  The base 21 includes a water storage tank 23 made of stainless steel at the bottom and having an open upper surface, and a base body 24 is disposed above the upper surface so as to surround the upper surface. The water storage tank 23 is vertically separated by a central horizontal partition plate 25, a heat insulating material layer 26 filled with urethane is formed in the lower part thereof, and water W is stored in the upper part thereof. In addition, a stainless steel platter 27 having an open upper surface is disposed in the water storage tank 23, and a slat 28 having numerous punching holes is disposed on the upper surface of the bottom wall 27a of the platter 27, and a stone is formed on the upper surface thereof. Gravel 29 which is a kind is laid. In addition, a chair 30 facing the front side is disposed on the upper surface of the snowboard 28, and a bather sits on the chair 30. A sterilizer 53 is provided in the rear part inside the base body 24 in the same manner as the hot stone bath apparatus body A1 according to the present embodiment so as to sterilize internal air and water.

  In addition, on one side of the bottom wall 27 a of the platter 27, a drain pipe 32 having a stopper 31 is provided for exchanging the stored water W to be stored. The drainage pipe 32 extends horizontally from the bottom wall 27 a to the side, and its tip reaches the outside of the storage tank 23. Also in this case, it is preferable that the upper surface of the bottom wall 27 a of the platter 27 is inclined downward toward the drainage pipe 32.

  The gravel 29 is a natural radium ore similar to the above and has a size almost equal to that of the thumb, so that a far-infrared effect, a formis effect, and a shiatsu effect can be obtained. Moreover, you may make it mix other natural stones, such as barley-stone and tourmaline. Also in this case, as other stones, a stone plate of a predetermined size formed from natural radium ore, a ceramic ball containing natural radium ore powder (a spherical shape having a size of almost thumb size), natural radium. A ceramic plate of a predetermined size containing ore powder may be used. Even if these are used, the same effect as described above can be obtained.

  The liquid circulation mechanism B2 has the same configuration as the liquid circulation mechanism A2 used in the present embodiment. In this case, the heat radiating pipe 33 is disposed between the bottom wall 27a of the platter 27 and the slat 28, and the control device 34 is disposed outside and on the side of the base 21. Although not shown, a heater for heating the liquid in the heat radiating pipe 33, a pump for recirculating the liquid, and a control unit are arranged in the control device 34, respectively.

  The chair 30 comprises a square pipe made of stainless steel, and includes a backrest part 30a slightly inclined backward, a substantially horizontal seat part 30b, and leg parts 30c extending in a lateral C shape. A receiving plate 35 made of wooden square material is fixed to the back surface 30a and the front surface of the leg 30c on the front side and the upper surface of the seat 30b in a laterally spaced manner.

  On the other hand, as shown in FIGS. 9 and 10, a backrest 37 that is parallel to the backrest 30a is disposed on the back side of the backrest 30a. The backrest 37 has substantially the same width as the backrest 30a, and the channel member having an L-shaped cross section is arranged in a frame shape, and the outer peripheral surface thereof is covered with a stainless steel cover plate 36 while leaving the front and bottom surfaces. Molded by enclosing. Similarly, a seat portion collar portion 38 that is parallel to the seat portion 30b is disposed below the seat portion 30b. The seat portion collar portion 38 is formed by arranging a channel material having an L-shaped cross section in a frame shape and surrounding the outer peripheral side surface with a stainless steel cover plate 36 leaving the upper surface and the front surface. In this case, the lower surface of the backrest collar portion 37 faces and communicates with the upper surface of the seat collar portion 38.

  A leg collar 39 that is parallel to the leg 30c is also arranged on the rear side of the front leg 30c. This leg part 39 is formed by arranging a channel material having an L-shaped cross section in a frame shape and surrounding the outer peripheral side surface with a stainless steel cover plate 36 leaving the front surface, the upper surface and the lower surface. In this case, the front surface of the seat part collar part 38 faces and communicates with the upper surface of the leg part collar part 39. And the stone plate 40 which consists of radium ore is arrange | positioned in the said backrest collar part 37, the seat part collar part 38, and the leg part collar part 39 each in full width. On the surface of each stone plate 40, a plurality of concave grooves 41, 41... Parallel to the vertical direction are engraved at equal intervals. Each stone plate 40 is arranged so that the surface thereof faces upward and is continuous. In this case, instead of the stone plate 40, a ceramic plate of the same size containing a powder of natural radium ore may be used.

  A plurality of supply ports 42 are opened along the longitudinal direction of the upper end wall of the backrest 37, and a discharge pipe 43 is connected to each supply port 42. A supply pipe 44 is connected to each discharge pipe 43, and a lower end thereof faces the platter 27, that is, the water storage tank 23 via a pump 45. Therefore, by driving the pump 45, the warmed stored water W in the water storage tank 23 is sucked into the supply pipe 44 and discharged from the discharge pipes 43 at the upper end into the backrest 37. The discharged hot water W flows down on the surface of the stone plate 40 including the inside of the plurality of concave grooves 41, 41. The warm water W released into the seat collar 38 is also released into the leg collar 39 while flowing down the surface of the stone plate 40, and similarly flows down the surface of the stone plate 40 and again into the water storage tank 23. Return. In this way, each stone plate 40 is heated.

  Therefore, gravel 29 is spread on the upper surface of the snowboard 28 to form the stone layer 46, and the water W is stored in the reservoir 23 so as to be immersed in the middle of the stone layer 46. In this state, first, the control device 34 is operated, and the liquid in the heat radiating pipe 33 is circulated by the pump in the control device 34 and heated by the heater. Also in this case, the temperature of the liquid in the heat radiating tube 33 is set to 65 degrees, for example. Moreover, although illustration is abbreviate | omitted, the temperature sensor electrically connected with a control part is each arrange | positioned in the hot stone bath apparatus main body B1 and the water storage tank 23, and the temperature of the stored water W is 40 to 60 degree | times, for example. The desired temperature can be set within the range. Thereby, the temperature in the hot stone bath apparatus body B1 can be appropriately selected within a range of 35 degrees to 50 degrees. Humidity is maintained at 80% or higher. Further, the other pump 45 is operated and the stored water W warmed in the water storage tank 23 flows down the surface of each stone plate 40 arranged on the back side of the chair 30.

  The bather opens the cover member 22, enters the hot stone bath apparatus main body B <b> 1, sits on the chair 30, and places his / her feet on the upper surface of the mounting stone layer 46 in the water storage tank 23. Then, in a state where the cover member 22 is closed, a face is projected from a semi-arc shaped neck portion 22 a provided at the upper end edge of the cover member 22. In addition, when the temperature in the hot stone bath main body B1 exceeds 50 degrees, the pump in the control device 34 is stopped.

  In this way, the stored water W and gravel 29 are warmed, and each stone plate 40 of the chair 30 is also warmed by the warm water W flowing along the surface, and bathing is performed in a state where the temperature and humidity of the entire hot stone bath apparatus body B1 are increased. The person is in the hot stone bath apparatus main body B1 for the required time. Also in this case, since the temperature is relatively low and the humidity is high, a comfortable sweating action is promoted for a long time. As a result, sufficient effects such as a sufficient slimming effect and refreshing effect can be obtained to help promote health. Moreover, since radium ore is used for the stone board 40 and gravel 29 of the whole chair 30, the far-red effect, the Formis effect, and the acupressure effect of the foot can be obtained. Further, the hot stone bath apparatus B uses a chair 30 so that a bather can sit on the chair 30, so the entire apparatus becomes compact and does not take up a large space. Furthermore, as in this embodiment, when one person's hot bath is completed, the water in the hot stone bath apparatus body B1 is replaced, and the air and water in the hot stone bath apparatus body B1 are sterilized by the sterilizer. Therefore, the generation of germs such as Dineola is suppressed and it is extremely hygienic.

  In the case of the other embodiment, the necessary temperature and humidity can be obtained even if only the mounting stone layer 46 is heated with hot water. However, as described above, the stone plate 40 is arranged on the back surface of the chair 30 and the hot water flows down there. By doing so, not only the temperature and humidity in the hot stone bath apparatus main body B1 quickly reach a predetermined value, but the whole body of the bather is warmed at the same time even when sitting, and the efficiency of the thermal effect is good.

  In the hot stone bath apparatuses A and B of both the embodiments, the liquid in the heat radiating pipes 13 and 33 is heated to warm the stored water W, and is not directly heated by the heater. There is no worry about receiving it. In these cases, the water in the storage tank 3 may be circulated as it is, and the circulated water may be heated outside the hot stone bath apparatus main bodies A1 and B1.

The perspective view of the hot stone bath apparatus which concerns on this invention. The exploded perspective view. FIG. FIG. The perspective view of the hot stone bath apparatus provided with the reserve tank. The perspective view of the hot stone bath apparatus which concerns on other embodiment. The perspective view of the hot stone bath apparatus of the state which opened the cover member. FIG. The expanded side surface sectional drawing of the same backrest upper part site | part. XX line expanded sectional view of FIG.

Explanation of symbols

3 Reservoir 8 Stone (gravel)
13 Heating means (radiating tube)
14a Heating means (heater)
15 Mounted stone layer A Hot stone bath A1 Hot stone bath

Claims (3)

  A hot stone bath device body that can be closed almost in a sealed state is stored so as to be immersed up to a height position in the middle of the mounting stone layer formed by laying stones using radium ore in the body A hot stone bath apparatus comprising: stored water; and heating means for heating the stored water, wherein the heating means increases the humidity together with the temperature in the hot stone bath apparatus main body.   The warm stone bath device according to claim 1, wherein the temperature in the warm stone bath device main body is set to 35 to 50 degrees and the humidity is 80% or more by the heating means.   3. The hot stone bath device according to claim 1, wherein the heating unit includes a hermetic radiator pipe that is disposed in the stored water and in which the liquid recirculates, and a heater that heats the liquid that recirculates in the radiator pipe.

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