JP2011252659A - Hot water storage tank unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hot water storage tank unit which can inexpensively dispose a device with high reliability even when a sheet-like heat insulating material is disposed in a state of being wound on the whole periphery of a side peripheral part of a hot water storage tank.SOLUTION: The hot water storage tank unit includes an approximately-cylindrical hot water storage tank 10 for storing hot water, and components (7, 17, 18, 72) as at least a part of a storage type water heater. The hot water storage tank unit further includes approximately-circular tank reinforcement members 40 wound on the side peripheral part of the hot water storage tank 10, and a supporting member 30 hung between the plurality of tank reinforcement members 40 disposed at various heights, and fixed to the hot water storage tank 10 through the plurality of tank reinforcement members 40. The components (7, 17, 18, 72) are mounted on the supporting member 30.

Description

  The present invention relates to a hot water storage tank unit.

  A wide range of hot water storage water heaters configured to store hot water obtained by heating water using a heating means such as a heat pump in a hot water storage tank, take out the hot water from this hot water storage tank and supply it to a hot water supply terminal when necessary. It is used. In this hot water storage type water heater, the hot water storage tank is generally arranged inside a structure called a hot water storage tank unit. The hot water storage tank in the hot water storage tank unit is covered with a heat insulating material in order to suppress heat loss. In addition, in the hot water storage tank unit, there are many cases in which some components of the hot water storage type hot water heater (for example, a pump for circulating hot water, a heat exchanger for remedy, etc.) are arranged. In Patent Document 1 below, a support is embedded in an insulating material made of foamed polystyrene that covers the side periphery of the hot water storage tank, and the components disposed in the hot water storage tank unit are attached to the support at a low cost. Techniques have been proposed for realizing a highly reliable equipment arrangement in a hot water storage tank unit.

JP 2008-57794 A

  In recent years, it has been demanded to further improve the energy saving performance of hot water storage type water heaters. In order to meet these requirements, high-performance heat insulating material such as vacuum heat insulating material with heat insulation performance superior to that of polystyrene foam is installed all around the side of the hot water storage tank to reduce heat loss from the hot water storage tank. It is desirable. However, it is difficult for the vacuum heat insulating material to embed a support for supporting components such as a pump due to its structure. For this reason, when a vacuum heat insulating material is arrange | positioned in the perimeter of the side part of a hot water storage tank, there exists a problem that the low cost and highly reliable apparatus arrangement method like the said conventional cannot be employ | adopted.

  The present invention provides a hot water storage tank unit that enables low-cost and highly reliable equipment arrangement even when a sheet-like heat insulating material is wound around the entire circumference of the side periphery of the hot water storage tank. Objective.

  A hot water storage tank unit according to the present invention is a hot water storage tank unit comprising a substantially cylindrical hot water storage tank for storing hot water, and at least a part of components of the hot water storage hot water heater, and is provided at a side periphery of the hot water storage tank. A support member that is arranged so as to span between a substantially annular tank reinforcing member that is wound and attached and a plurality of tank reinforcing members that are attached at different heights, and is fixed to the hot water storage tank via the plurality of tank reinforcing members And the component device is attached to the support member.

  According to the present invention, even when a sheet-like heat insulating material such as a vacuum heat insulating material is wound around the entire circumference of the side peripheral portion of the hot water storage tank, the constituent devices can be easily and inexpensively attached to the hot water storage tank. Since it can be securely attached, it is possible to achieve both improvement of heat insulation performance and ease of device arrangement and ensuring reliability.

It is a block diagram which shows typically the hot water storage type water heater provided with the hot water storage tank unit of Embodiment 1 of this invention. It is a figure which shows typically the apparatus structure inside the hot water storage tank unit of Embodiment 1 of this invention. It is a perspective view of the tank reinforcement member with which the hot water storage tank unit of Embodiment 1 of this invention is provided. It is the fragmentary sectional view which cut | disconnected the tank reinforcement member shown in FIG. 3 by the horizontal surface. It is an expanded view of the side peripheral part heat insulating material with which the hot water storage tank unit of Embodiment 1 of this invention is provided. It is sectional drawing in the AA line in FIG. It is a perspective view which shows the components layout inside the hot water storage tank unit of Embodiment 1 of this invention. It is the fragmentary sectional view which cut | disconnected the hot water storage tank after the side periphery heat insulating material, the tank reinforcement member, and the supporting member were attached in the vertical surface. It is a layout figure which shows the state which arrange | positioned the upper heat insulating material, the lower heat insulating material, and the side periphery heat insulating material in the hot water storage tank in the hot water storage tank unit of Embodiment 1 of this invention. FIG. 10 is a layout diagram illustrating a state in which a tank reinforcing member is further attached to the state illustrated in FIG. 9. It is a figure which expands and shows the attaching part of the tank reinforcement member in FIG.

  Embodiments of the present invention will be described below with reference to the drawings. In addition, the same code | symbol is attached | subjected to the element which is common in each figure, and the overlapping description is abbreviate | omitted.

Embodiment 1 FIG.
FIG. 1 is a configuration diagram schematically showing a hot water storage type water heater provided with a hot water storage tank unit according to Embodiment 1 of the present invention. The hot water storage type water heater shown in FIG. 1 includes a hot water storage tank unit 1 and a heat pump unit 60, and these two units are connected by a boiling forward pipe 5 and a boiling return pipe 6. The heat pump unit 60 is a heat source for heating the low-temperature water supplied from the hot water storage tank unit 1. The heat pump unit 60 can take heat from the outside air by a refrigeration cycle and obtain a high-temperature refrigerant. In order to obtain high-temperature water with a heat pump unit, it is preferable that the refrigeration cycle is operated at a pressure exceeding the critical pressure using carbon dioxide as a refrigerant.

  The hot water storage tank unit 1 includes a water supply pipe 2 for supplying water from a water source, a hot water supply pipe 3 for supplying high-temperature water to the outside, and a bath water circulation pipe in addition to a boiling forward pipe 5 and a boiling return pipe 6 71 etc. are connected. A hot water storage tank 10 is installed inside the exterior case of the hot water tank unit 1. In the hot water storage tank 10, low temperature water supplied from the water supply pipe 2 is stored in the lower layer, and high temperature water produced by heating with the heat pump unit 60 is stored in the upper layer, and is always in a full state. As will be described later, the hot water storage tank unit 1 also includes various pipes, pumps, valves, sensors, control devices, etc., as well as wiring and control for supplying power necessary for the operation of the hot water heater to each unit. A communication line (not shown) for transmitting a signal is also provided.

  When the hot water tap 4 provided at the end of the hot water supply pipe 3 is opened, the high temperature water stored in the hot water storage tank 10 is pushed out by the pressure of the water source, whereby the high temperature water in the hot water storage tank 10 is taken out. The extracted high-temperature water is mixed with low-temperature water by a mixing valve (not shown) and the temperature is adjusted, and then supplied to the hot water tap 4. Further, according to the user's request, the hot water heater uses hot water stored in the hot water storage tank 10 to arbitrarily add the bath water stored in the bathtub 70 connected to the end of the bath water circulation pipe 71. It is possible to adjust the temperature to the temperature. In this embodiment, a heat pump heat source machine is used as the water heating means. However, the present invention can also be applied to a water heater using a heating means other than the heat pump.

  FIG. 2 is a diagram schematically showing an internal device configuration of hot water storage tank unit 1 according to Embodiment 1 of the present invention. In addition, illustration and description are abbreviate | omitted about the component which is not related to this invention. The control device 35 installed in the hot water storage tank unit 1 is a device for operating various valves, pumps, and the like based on information detected by various sensors of the hot water heater and information such as preset operating conditions. It is an apparatus for enabling various controls of the hot water heater according to a user's request. The control device 35 and various valves, pumps, and sensors are connected by an internal wiring 35A.

  The hot water storage tank 10 is provided with a plurality of connection ports for connecting pipes. The water supply pipe 2 and the boiling forward pipe 5 are respectively connected to the lower part of the hot water storage tank 10. The hot water supply pipe 3 and the boil-up return pipe 6 are respectively connected to the upper part of the hot water storage tank 10. The pressure reducing valve 8 provided in the middle of the water supply pipe 2 reduces the pressure applied from the water source to the hot water storage tank 10 to a certain level or less. A relief valve 9 is provided in the relief valve drain pipe 9 </ b> A branched from the middle of the hot water supply pipe 3. The relief valve 9 discharges the hot water for the volume expansion to the outside to prevent the pressure in the hot water storage tank 10 from rising due to the volume expansion that occurs when the low temperature water is heated by the boiling operation. This is a safety valve for adjusting the pressure of the gas so that it is below a certain level. A remaining hot water thermistor 19 for detecting the temperature of the hot water in the hot water storage tank 10 is disposed on the surface of the hot water storage tank 10 at a plurality of locations having different heights. The temperature information detected by the remaining hot water thermistor 19 is processed by the control device 35 to grasp the remaining hot water amount in the hot water storage tank 10 and start / stop of the hot water boiling operation in the hot water storage tank 10 by the heat pump unit 60. Used to control etc.

  The boiling circulation pump 7 is a pump for circulating hot water between the hot water storage tank unit 1 and the heat pump unit 60, and is provided on the boiling forward piping 5. In the boiling operation, first, the heat pump unit 60 and the boiling circulation pump 7 are operated, and low-temperature water is taken out from the lower part of the hot water storage tank 10 via the boiling forward pipe 5 and guided to the heat pump unit 60. In the heat pump unit 60, heat exchange is performed between the high-temperature refrigerant and the low-temperature water to raise the temperature of the low-temperature water to high-temperature water, and the high-temperature water is returned to the upper part of the hot water storage tank 10 via the boiling return pipe 6. By doing in the above way, high temperature water is accumulated in the upper part of hot water storage tank 10, and low temperature water is accumulated and stored in the lower part.

  The memorial heat source piping 16 is connected to the upper part of the hot water storage tank 10 and the lower part of the hot water storage tank 10 and constitutes a tubular circulation path including the hot water storage tank 10 (hereinafter referred to as “mechanism heat source circulation path”). A memorial circulation pump 18 and a memorial heat exchanger 17 are provided on the memorial heat source pipe 16. The memorial circulation pump 18 is for circulating hot water in the memorial heat source circulation path. The memorial heat exchanger 17 has two flow paths of a primary side and a secondary side, and transmits heat of high-temperature water supplied to the primary side to low-temperature water supplied to the secondary side. It is a heat exchanger for raising the temperature. In the present embodiment, the primary side is arranged on the memorial heat source circulation path, hot water guided from the hot water storage tank 10 is supplied, the bath water circulation path described later is arranged on the secondary side, and the bath led from the bathtub 70 is provided. Water can be heated.

  The bath water circulation pipe 71 constitutes a circulation path (hereinafter referred to as “bath water circulation path”) that returns from the bathtub 70 to the bathtub 70 via the secondary side of the bath water circulation pump 72 and the additional heat exchanger 17. This is the piping. The bath water circulation pump 72 is a pump for circulating bath water in the bath water circulation path.

  FIG. 3 is a perspective view of a tank reinforcing member 40 provided in the hot water storage tank unit 1 according to Embodiment 1 of the present invention. The tank reinforcing member 40 shown in FIG. 3 is a member having a substantially annular shape as a whole, and is wound around and fixed to a side peripheral portion (outer peripheral portion) of the hot water storage tank 10 as will be described later. The tank reinforcing member 40 has a function of suppressing deformation of the hot water storage tank 10 due to pressure fluctuation generated inside the hot water storage tank 10. The tank reinforcing member 40 includes a reinforcing ring 41 formed by bending a metal long material having a substantially “U” -shaped cross-section into an annular shape, and fastening portions 43 installed at both ends of the reinforcing ring 41. And a bracket 44 installed in the middle portion of the reinforcing ring 41 and a bolt 45 for connecting the fastening portions 43 to each other. As will be described later, when the tank reinforcing member 40 is attached to the hot water storage tank 10, the tank reinforcing member 40 is wound around the side peripheral portion of the hot water storage tank 10, and the bolts 45 are tightened so that both the fastening portions 43 come close to each other. As a result, the diameter of the reinforcing ring 41 is reduced, the pressure receiving region 42 constituted by the inner peripheral surface of the reinforcing ring 41 is pressed against the hot water storage tank 10, and the reinforcing ring 41 is fixed to the hot water storage tank 10.

  4 is a partial cross-sectional view of the tank reinforcing member 40 shown in FIG. 3 cut along a horizontal plane. As shown in FIG. 4, the bracket 44 is provided so as to protrude outward from the reinforcing ring 41. The bracket 44 is formed with a bolt hole 47 for fixing a support member 30 to be described later. The fastening portion 43 and the bracket 44 are both processed metal plates, and are fixed to the reinforcing ring 41 by means such as spot welding.

  FIG. 5 is a development view of the side peripheral heat insulating material 52 provided in the hot water storage tank unit 1 according to Embodiment 1 of the present invention. 6 is a cross-sectional view taken along line AA in FIG. The side periphery heat insulating material 52 shown in these drawings is composed of a sheet-like vacuum heat insulating material having extremely excellent heat insulating performance. The side peripheral heat insulating material 52 is attached so as to cover the entire circumference of the side peripheral portion of the hot water storage tank 10. As shown in FIG. 6, the side periphery heat insulating material 52 wraps a core material (core material) 53 with a bag-shaped outer covering material 54 made of a gas barrier film (plastic film, plastic metal laminate film, etc.), The inside of the jacket material 54 is in a vacuum state, and the welded portion 56 that is the outer peripheral portion is thermally welded and sealed. The core material 53 is composed of a porous body obtained by processing foam, powder, fiber, or the like into a sheet shape. As will be described later, a reinforcing material 55 is provided in place of the core material 53 in a part of the outer covering material 54 of the side peripheral heat insulating material 52 of the present embodiment.

  As shown in FIG. 5, a vertical position display 57, a circumferential position display 58, and a positioning display 59 are displayed (drawn) on the surface of the side peripheral heat insulating material 52 (the surface of the jacket material 54). The vertical position indicator 57 is a display extending in a straight line in the circumferential direction of the hot water storage tank 10 and serves as an assembly mark for positioning in the vertical direction when the tank reinforcing member 40 is attached to the hot water storage tank 10. It is. Vertical position indications 57 are provided at two locations, upper and lower. Both ends of the vertical position display 57 extend to a pair of parallel sides that are combined when the side periphery heat insulating material 52 is wound around the hot water storage tank 10, and arrows (positioning portions) are formed respectively. As will be described later, when the side peripheral heat insulating material 52 is wound around the hot water storage tank 10, by aligning the tips of the arrows on both ends of the vertical position display 57 with each other, The peripheral heat insulating material 52 can be accurately disposed without being inclined.

  The tank reinforcing member 40 described above is fixed by being wound around two locations where the vertical position display 57 is provided, with the side peripheral heat insulating material 52 mounted on the hot water storage tank 10. In a region where the vertical position display 57 is provided, that is, a region where the tank reinforcing member 40 is attached, a reinforcing material 55 is provided instead of the core material 53. As the material of the reinforcing material 55, a material having a higher compressive strength than the core material 53 is selected.

  Since the core material 53 of the side periphery heat insulating material 52 is composed of a porous body, the compressive strength is low. For this reason, when tightened by the tank reinforcing member 40, the core material 53 is crushed and the side peripheral heat insulating material 52 is likely to be deformed or damaged. On the other hand, in this embodiment, since the tightening force of the tank reinforcing member 40 can be received by the reinforcing material 55 arranged in accordance with the attachment region of the tank reinforcing member 40, the core material 53 is not crushed, and the side The deformation and breakage of the peripheral heat insulating material 52 can be reliably prevented. The dimension of the reinforcing member 55 is preferably a dimension that can ensure an area equal to or larger than the pressure receiving region 42 of the tank reinforcing member 40, but the core material 53 does not deform even when receiving the tightening pressure of the tank reinforcing member 40. As long as it is configured as described above, the area may be equal to or smaller than the pressure receiving region 42. Further, in the illustrated configuration, the reinforcing material 55 is disposed over the entire circumference. However, the reinforcing material 55 may be partially disposed along the circumferential direction instead of the entire circumference. You may arrange | position the reinforcing material 55 divided | segmented into equal intervals along the circumferential direction.

  The circumferential position display 58 is a display extending in a straight line in a direction orthogonal to the vertical position display 57, and an assembly mark for positioning in the circumferential direction when the tank reinforcing member 40 is attached to the hot water storage tank 10. It will be. The positioning display 59 serves as a mark for the mounting position in the circumferential direction when the side peripheral heat insulating material 52 is mounted on the hot water storage tank 10.

  FIG. 7 is a perspective view showing a component layout inside the hot water storage tank unit 1 according to Embodiment 1 of the present invention. In addition, in the following drawings including FIG. 7, illustrations of parts that are not necessary for the description are omitted. As shown in FIG. 7, the hot water storage tank 10 is fixed on the lower surface exterior case 11 by a plurality of internal legs 13 and stands. The lower surface outer case 11 is a portion constituting the lower surface of the outer case of the hot water storage tank unit 1. The lower exterior case 11 is fixed to the installation surface via a plurality of external legs 12.

  An upper heat insulating material 50 and a lower heat insulating material 51 made of styrene foam are respectively attached to the upper and lower portions of the hot water storage tank 10. The upper heat insulating material 50 and the lower heat insulating material 51 are formed in accordance with the curved shapes of the upper and lower portions of the hot water storage tank 10, respectively, and are disposed so as to cover the upper and lower hemispherical surfaces of the hot water storage tank 10. ing. The side periphery heat insulating material 52 described above is wound around the entire periphery of the side periphery of the hot water storage tank 10. The tank reinforcing member 40 is wound around the hot water storage tank 10 from above the side peripheral heat insulating material 52, and by tightening the bolt 45, the pressure receiving region 42 is connected to the side peripheral portion of the hot water storage tank 10 via the side peripheral heat insulating material 52. It is fixed by being pressed.

  The tank reinforcing members 40 are installed at two locations, a position closer to the upper portion of the hot water storage tank 10 and a position closer to the lower portion. The support member 30 is arranged so as to be spanned between the two upper and lower tank reinforcing members 40. The support member 30 is fixed to the bolt holes 47 of the brackets 44 of the two upper and lower tank reinforcing members 40 with bolts 31 (see FIG. 8).

  In the present embodiment, the support member 30 is arranged so as to span between the two upper and lower tank reinforcing members 40. However, in the present invention, the support member 30 is fixed to the hot water storage tank 10. It is sufficient that at least one portion of the support member 30 is locked (connected) to the tank reinforcing member 40. For example, one end side of the support member 30 is locked to one of the upper and lower tank reinforcing members 40 and the other end side of the support member 30 is locked to another member so that the support member 30 is attached to the hot water storage tank 10. For example, a place other than the tank reinforcing member 40 may be used in combination.

  Each component device such as the memorial heat exchanger 17, memorial circulation pump 18, boiling circulation pump 7 and bath water circulation pump 72, and piping (not shown) connecting them is fixed to the support member 30 together. ing.

  In the present embodiment, as shown in FIG. 7, the upper end of the circumferential position display 58 extends to a position exceeding the upper end of the support member 30, and the lower end of the circumferential position display 58 exceeds the lower end of the support member 30. Extends to position. The positioning display 59 is provided at a position that does not overlap the support member 30 or the tank reinforcing member 40. In addition, the width of the vertical position display 57 is slightly wider than the width of the tank reinforcing member 40 (see FIG. 11). Thus, in this embodiment, even in the state where the tank reinforcing member 40, the support member 30, and each component device on the support member 30 are attached to the hot water storage tank 10, the vertical position display 57 and the circumferential position display 58 and the positioning display 59 can be visually observed. For this reason, an assembly operator can confirm that each part installed in the hot water storage tank 10 is attached at a correct position, and it becomes possible to suppress an attachment error of each part. In addition, a window may be provided in the tank reinforcing member 40 by a notch or the like, and the end of the arrow of the vertical position display 57 may be confirmed from the window after assembly.

  FIG. 8 is a partial cross-sectional view of the hot water storage tank 10 after the side peripheral heat insulating material 52, the tank reinforcing member 40 and the support member 30 are attached, cut along a vertical plane passing through the center line of the bolt 31. As shown in FIG. 8, in a region where the pressure receiving region 42 of the tank reinforcing member 40 is in contact with the side peripheral heat insulating material 52, the reinforcing material 55 is provided inside the side peripheral heat insulating material 52. The core material 53 inside the side peripheral heat insulating material 52 is not directly subjected to the tightening pressure, and the reinforcing material 55 receives the tightening pressure. As a result, the pressure generated by tightening the bolt 45 of the tank reinforcing member 40 is not directly received by the core material 53 inside the side peripheral heat insulating material 52, and therefore the side peripheral heat insulating material 52 is damaged due to excessive deformation. It is possible to prevent the core material 53 from being deformed when the core material 53 is compressed over a long period of time. For this reason, the tank reinforcing member 40 can be installed without loosening for a long period of time.

  Next, an operation procedure when the side peripheral heat insulating material 52 is disposed in the hot water storage tank 10 will be described. FIG. 9 is a layout diagram illustrating a state in which the upper heat insulating material 50, the lower heat insulating material 51, and the side peripheral heat insulating material 52 are disposed in the hot water storage tank 10 in the hot water storage tank unit 1 according to Embodiment 1 of the present invention. The upper heat insulating material 50 and the lower heat insulating material 51 are previously disposed in the hot water storage tank 10, and then the side peripheral heat insulating material 52 is wound around and fixed to the side peripheral portion of the hot water storage tank 10. When the side peripheral heat insulating material 52 is wound around the hot water storage tank 10, the position of the tip is aligned so that the arrows at both ends of the vertical position display 57 of the side peripheral heat insulating material 52 are in a straight line. Thereby, the vertical direction position display 57 does not become diagonal, and the side periphery heat insulating material 52 can be mounted | worn correctly. Further, the upper end of the side peripheral heat insulating material 52 is disposed so as to contact the upper heat insulating material 50, and the lower end of the side peripheral heat insulating material 52 is disposed to contact the lower heat insulating material 51. Thus, since each heat insulating material can be arrange | positioned in an exact position without a gap, high heat insulation performance is securable.

  In the present embodiment, the side peripheral heat insulating material 52 is positioned in the circumferential direction of the hot water storage tank 10 by positioning the arrow on the positioning display 59 provided on the side peripheral heat insulating material 52 according to the position of the internal leg 13. It becomes possible to dispose after positioning accurately. Although not shown in the figure, a display serving as a mark for alignment corresponding to the positioning display 59 may be provided on the surface of the internal leg 13, and in that case, more accurate arrangement of the side peripheral heat insulating material 52 may be provided. It becomes possible to do.

  FIG. 10 is a layout diagram showing a state in which a tank reinforcing member 40 is further attached to the state shown in FIG. FIG. 11 is an enlarged view showing a mounting portion of the tank reinforcing member 40 in FIG. The tank reinforcing member 40 is fixed so as to entrain the side peripheral heat insulating material 52 by the following method. First, the vertical positioning is performed in accordance with the vertical position display 57 provided on the side peripheral heat insulating material 52. Thereby, the attachment height of the tank reinforcing member 40 can be determined accurately. Next, the hot water storage tank 10 is positioned in the circumferential direction by aligning the bracket 44 of the tank reinforcing member 40 with the position indicated by the circumferential position display 58. By tightening the bolt 45 of the tank reinforcing member 40 in this state, the pressure receiving area 42 is pressed over the entire circumference of the hot water storage tank 10 via the side peripheral heat insulating material 52, and the tank reinforcing member 40 is pressed to the side peripheral heat insulating material. It is fixed in close contact with the hot water storage tank 10 via 52.

  As described above, since the side peripheral heat insulating material 52 is accurately positioned in the circumferential direction of the hot water storage tank 10 by aligning the positioning display 59 with the position of the internal leg 13, the circumferential position display 58 is a predetermined position. Accurately positioned. Therefore, the support member 30 can be accurately arranged at a predetermined position by aligning the bracket 44 with the circumferential position display 58. As described above, the tank reinforcing member 40 and the support member 30 can be arranged at accurate positions in the vertical direction and the circumferential direction. For this reason, each component apparatus fixed on the supporting member 30 can be arrange | positioned in the exact position about the vertical direction and the circumferential direction.

  As described above, according to the hot water storage tank unit 1 of the present embodiment, even if the vacuum heat insulating material (side peripheral heat insulating material 52) is disposed over the entire side peripheral portion of the hot water storage tank 10, the pump Such various components can be accurately and easily arranged at low cost. For this reason, it becomes possible to make compatible the improvement of heat insulation performance and the ease of arrangement | positioning of component equipment, and ensuring of reliability.

DESCRIPTION OF SYMBOLS 1 Hot water storage tank unit 7 Boiling circulation pump 10 Hot water storage tank 17 Remembrance heat exchanger 18 Remembrance circulation pump 30 Support member 31 Bolt 40 Tank reinforcement member 41 Reinforcement ring 42 Pressure receiving area 43 Fastening part 44 Bracket 45 Bolt 47 Bolt hole 50 Upper heat insulating material 51 Lower heat insulating material 52 Side peripheral heat insulating material 53 Core material 54 Jacket material 55 Reinforcing material 57 Vertical position display 58 Circumferential position display 59 Positioning display 72 Bath water circulation pump

Claims (11)

A hot water storage tank unit comprising a substantially cylindrical hot water storage tank for storing hot water and at least a part of components of the hot water storage water heater,
A substantially annular tank reinforcing member wound around and attached to a side peripheral portion of the hot water storage tank;
A support member fixed to the hot water storage tank so as to lock at least one place on the tank reinforcing member;
Have
The hot water storage tank unit, wherein the component device is attached to the support member. A hot water storage tank unit comprising a substantially cylindrical hot water storage tank for storing hot water and at least a part of components of the hot water storage water heater,
A substantially annular tank reinforcing member wound around and attached to a side peripheral portion of the hot water storage tank;
A support member disposed so as to span between the plurality of tank reinforcement members attached at different heights, and fixed to the hot water storage tank via the plurality of tank reinforcement members;
Have
The hot water storage tank unit, wherein the component device is attached to the support member. A sheet-shaped side periphery heat insulating material covering the side periphery of the hot water storage tank;
3. The hot water storage tank unit according to claim 1, wherein the tank reinforcing member is attached by being wound around a side peripheral portion of the hot water storage tank from above the side peripheral heat insulating material.   The side periphery heat insulating material has a configuration in which a core material is wrapped with an outer cover material, and in the region where the tank reinforcing member is attached, a reinforcement having a higher compressive strength than the core material instead of the core material. The hot water storage tank unit according to claim 3, wherein a material is disposed.   5. The hot water storage tank unit according to claim 3, wherein an attachment position indication that serves as a mark of an attachment position when the tank reinforcing member is attached is provided on a surface of the side peripheral heat insulating material.   The hot water storage tank unit according to claim 5, wherein the attachment position display includes a vertical position display indicating the attachment position of the tank reinforcing member in the vertical direction.   The hot water storage tank unit according to claim 5 or 6, wherein the attachment position display includes a circumferential position display indicating an attachment position of the tank reinforcing member or the support member in a circumferential direction of the hot water storage tank.   8. The attachment position indication is provided so that the tank reinforcing member, the support member, and the component device can be seen even when attached to the hot water storage tank. The hot water storage tank unit according to claim 1.   Both ends of the vertical position indication extend to a pair of parallel sides that are combined when the side peripheral heat insulating material is wound around the hot water storage tank, and each of the side peripheral heat insulating materials is attached to the hot water storage tank. The hot water storage tank unit according to claim 6, wherein an alignment portion for performing alignment with the other during the winding operation is formed.   The positioning display used as the mark of the attachment position at the time of attaching the said side periphery heat insulating material to the said hot water storage tank was provided in the surface of the said side periphery heat insulating material, The any one of Claim 3 thru | or 9 characterized by the above-mentioned. Hot water storage tank unit.   The hot water storage tank unit according to claim 10, wherein a display corresponding to a positioning display provided on the side peripheral heat insulating material is provided on the hot water storage tank or an accessory thereof.

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