CN105987509B - Heat accumulation water pot unit - Google Patents
Heat accumulation water pot unit Download PDFInfo
- Publication number
- CN105987509B CN105987509B CN201510082229.9A CN201510082229A CN105987509B CN 105987509 B CN105987509 B CN 105987509B CN 201510082229 A CN201510082229 A CN 201510082229A CN 105987509 B CN105987509 B CN 105987509B
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- Prior art keywords
- heat
- water pot
- heat accumulation
- accumulation water
- foaming
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 278
- 238000009825 accumulation Methods 0.000 title claims abstract description 180
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Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
- Thermal Insulation (AREA)
Abstract
The present invention provides a kind of heat accumulation water pot unit that can prevent the outer surface of piping material from corroding in the case where the surrounding of piping filling-foam heat insulating member.The heat accumulation water pot unit is characterised by comprising: heat accumulation water pot (2)；Store the outer container (3A) of above-mentioned heat accumulation water pot (2)；The foaming heat insulation component (6) for injecting expanding foam solution (6a) foaming between above-mentioned outer container (3A) and above-mentioned heat accumulation water pot (2) and being formed；With piping (11,12,13,14,15), it is accommodated in the inside of above-mentioned outer container (3A), the corresponding amine or ammonia generated by the decomposition of above-mentioned foaming heat insulation component (6) has corrosion resistance.
Description
Technical field
The present invention relates to heat accumulation water pot units.
Background technique
As existing heat accumulation water pot unit, motion have using stainless steel formed constitute reheat circuit, dress hot-water return,
The heat accumulation water pot unit (referring to patent document 1) of the piping of general heat supply water loop.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2010-210157 bulletin
Summary of the invention
Problem to be solved by the invention
But the purpose of patent document 1 is to prevent the corrosion of the inner surface of the piping material of hot-warer supplying machine, about matching
The corrosion of the outer surface of piping material in the case where surrounding's filling-foam heat insulating member of pipe prevents, both without record or without dark
Show.
The present invention is made to solve the problems, such as above-mentioned existing, and its purpose is to provide can be around piping
The heat accumulation water pot unit for preventing the outer surface of piping material from corroding in the case where filling-foam heat insulating member.
Technical teaching for solving the problem was
It is a feature of the present invention that including:
Heat accumulation water pot；
Store the outer container of above-mentioned heat accumulation water pot；
Foaming heat insulation component obtained from expanding foam solution is foamed is injected between above-mentioned outer container and above-mentioned heat accumulation water pot；With
Piping, is accommodated in the inside of above-mentioned outer container, the amine generated for the decomposition by above-mentioned foaming heat insulation component
Or ammonia has corrosion resistance.
The effect of invention
In accordance with the invention it is possible to which providing can prevent from matching tubing in the case where the surrounding of piping filling-foam heat insulating member
The heat accumulation water pot unit of the outer surface corrosion of material.
Detailed description of the invention
Fig. 1 is the overall structure figure for indicating to have the hot-warer supplying machine of heat accumulation water pot unit of embodiment.
Fig. 2 is the perspective view for indicating the inside of heat accumulation water pot unit of embodiment.
Fig. 3 is from the front elevation in terms of inlet side when the heat accumulation water pot unit of embodiment.
Fig. 4 is from the sectional view in terms of the upper plate side of heat accumulation water pot when the heat accumulation water pot unit of embodiment.
Fig. 5 (a) is the figure of the flowing of the foaming heat insulation component (expanding foam solution) when indicating injection, is (b) to indicate that injection is completed
The figure of the state of foaming heat insulation component (expanding foam solution) afterwards is (c) figure for indicating the state of foaming heat insulation component of foaming midway.
Fig. 6 is the cross-sectional view of the heat accumulation water pot unit of embodiment.
Fig. 7 (a) is the covering state of the preflood vacuum heat-insulation component of foaming heat insulation component (expanding foam solution), is (b) hair
The covering state of vacuum heat-insulation component after steeping the injection of heat insulating member (expanding foam solution), foaming.
The explanation of appended drawing reference
1A heat accumulation water pot unit
2 heat accumulation water pots
2a main board
The top 2b siding
The lower part 2c siding
3A outer container
3a foreboard (upper surface of the vertical direction of outer container)
3b side plate
3c back plate (lower surface of the vertical direction of outer container)
3c1 inner wall
3d upper plate (face opposite with the another side of heat accumulation water pot)
3e bottom plate (face opposite with the one end of heat accumulation water pot)
4, leg in 4A, 4B, 4C
4a leg receiving portion
8,9 inlet
3s piping cover
5 vacuum heat-insulation components
5a, 5b non-overlapping portion
6 foaming heat insulation components
6a expanding foam solution (foaming heat insulation component)
8,8A, 8B, 9,9A, 9B inlet
10 heat pump units
11 water supplying pipes (piping)
12 water inlet pipes (piping)
13 hot-water outlet pipes (piping)
14 heat supply water pipes (piping)
15 bathtub return pipes (piping)
16 water mixing valves
17 heat supply water pipes
18 supplying hot water terminals
20 tube sockets
21 notch
31 nozzles
32 holes
40 bearing parts
S, the gap s1, s2, s3
T1, T2 temperature sensor
BT bolt
HE heat exchanger
G setting place
K hot-warer supplying machine
Pa blow pressure
G vertical direction is downward
Specific embodiment
Hereinafter, being illustrated referring to Figure 1 to Figure 7 to the heat accumulation water pot unit 1A of embodiments of the present invention.
(explanation of embodiment)
Firstly, being illustrated referring to Fig.1 to the hot-warer supplying machine K of the heat accumulation water pot unit 1A with embodiment.Fig. 1 is table
Show the overall structure figure of the hot-warer supplying machine of the heat accumulation water pot unit with embodiment.
As shown in Figure 1, hot-warer supplying machine K includes heat accumulation water pot unit 1A, heat pump unit 10.
Heat accumulation water pot unit 1A includes heat accumulation water pot 2, outer container 3A, interior leg (leg) 4, vacuum heat-insulation component 5, foaming heat insulation
Component 6.
The water supplying pipe 11 (piping) for importing tap water is connected in the lower part of heat accumulation water pot 2.The water of the lower part of heat accumulation water pot 2
Heat pump unit 10 is imported into through water inlet pipe 12 (piping) by pump (not shown).Warm water after heat pump unit 10 is heated is through going out
Hot-water line 13 is imported into the top of heat accumulation water pot 2.
The temperature of warm water in such heat accumulation water pot 2 is for example got higher with going upwards below vertical direction.That is,
From the lower part in heat accumulation water pot 2 to top, relatively become low temperature, medium temperature, the Temperature Distribution of high temperature.For example, in heat accumulation water pot 2
Interior top is about 90 DEG C, middle part is about 50 DEG C.
Heat pump unit 10 is the boiled unit of the water that will take out from heat accumulation water pot 2, for example, compressor, to refrigeration
Agent (such as carbon dioxide) is compressed and the refrigerant is made to become high temperature and pressure；Condenser, by that will be arranged from compressor
Refrigerant out and the water from heat accumulation water pot 2 carry out heat exchange and heat to the water from heat accumulation water pot 2；Pressure reducing valve, it is right
The refrigerant for carrying out condenser is depressurized；And evaporator, make to absorb the heat in atmosphere and the refrigerant evaporation after depressurizing.Separately
Outside, in embodiments, as heating mechanism, the example for enumerating heat pump unit 10 is illustrated, can also be with as heating mechanism
For the mechanism heated using electric heater or coal gas.
The hot water taken out from the top of heat accumulation water pot 2 is by heat supply water pipe 14, by water mixing valve 16 and from water supplying pipe
11 branches connection branch's water supplying pipe (not shown) water mixing, after be discharged through supplying hot water pipe 17 from supplying hot water terminal 18.
In addition, in embodiments, enumerates and said in case where supplying hot water terminal 18 is using hot water inside heat accumulation water pot 2
It is bright, it also can be applied to the hot water that the hot water of heat accumulation water pot 2 is not used as to supplying hot water terminal and as being used for the water being supplied to
The heat accumulation water pot unit (vertical compression heat supply ability of swimming) for the type that the heating agent of progress heat exchange (heating) uses.
Outer container 3A has the space of storage heat accumulation water pot 2, and in front, (face side) is equipped with piping cover 3s.Piping cover 3s tool
Have and stores the hot-water outlet pipe 13 gone from heat pump unit 10 to heat accumulation water pot 2, branch's water supplying pipe (not shown), water mixing valve 16, heat supply
The space of water pipe 17 etc..
Fig. 2 is the perspective view for indicating the inside of heat accumulation water pot unit 1A of embodiment.Moreover, Fig. 2 is indicated outer container 3A
The state removed of foreboard 3a lateral incision, and omit the diagram of various pipings.
As shown in Fig. 2, heat accumulation water pot 2 be such as using stainless steel with corrosion resistance material, by cylindrical shape
The main board 2a of shape, the top siding 2b of substantially bowl-shape (the hemispherical, vessel-shaped) of the upper opening of covering main board 2a, covering
Lower part these three components of siding 2c of substantially bowl-shape (the hemispherical, vessel-shaped) of the lower openings of main board 2a are welded and structure
At.
In addition, heat accumulation water pot 2 is supported in the bottom plate 3e of outer container 3A by three interior legs 4 (4A), 4 (4B), 4 (4C).This
Outside, the lower end of each interior leg 4 is fixed on the bottom plate 3e of outer container 3A using the methods of bolt fixation.In addition, the number of interior leg 4 is not
It is defined in 3, or 4 or more.
In addition, being provided with temperature sensor at spaced intervals in above-below direction in the outer surface (front surface) of heat accumulation water pot 2
T1, T2 (thermistor).Boiling temperature of the temperature sensor T1 detection of upside as the temperature on the top of heat accumulation water pot 2.Under
The temperature of the middle warm water of the middle part of the temperature sensor T2 detection heat accumulation water pot 2 of side.In addition, of temperature sensor T1, T2
Number is not limited to embodiment, can also be not only provided at the top of heat accumulation water pot 2 but from the top of heat accumulation water pot 2 under
3 or more temperature sensors are arranged in portion.
Outer container 3A is the component for storing the steel plate of heat accumulation water pot 2, such as the foreboard 3a in the front by being located at heat accumulation water pot 2
(referring to Fig.1), side plate 3b, 3b positioned at the side of heat accumulation water pot 2, back plate (backboard) 3c (one positioned at the rear of heat accumulation water pot 2
And referring to Fig.1), the bottom plate of upper plate (top plate) 3d positioned at the top of heat accumulation water pot 2 and the lower section (bottom side) positioned at heat accumulation water pot 2
3e is configured to four square box shapes of lengthwise.But the shape of outer container 3A is not particularly limited to this, such as or cross section view
Figure is the shape of polygon.
The front of outer container 3A is arranged in piping cover 3s, has the upper end of foreboard 3a (referring to Fig.1) of the covering from outer container 3A extremely
The whole shape of lower end.In addition, the height of the height and width (left and right directions) of piping cover 3s and outer container 3A and of same size.
As a result, in the state that piping cover 3s is installed in outer container 3A, in the square shape of lengthwise in external view.
In addition, the lower part of the foreboard 3a in outer container 3A, for injecting the foaming of the foaming heat insulations such as polyurethane foam liquid component 6
Liquid 6a (is penetrated through in a manner of being connected to the inside of outer container 3A with the inlet 8,8 of aftermentioned Fig. 4, Fig. 5 (a)~(c)) referring to Fig.1
Formed to foreboard 3a.In addition, the top of the foreboard 3a in outer container 3A, also penetrates through foreboard in a manner of being connected to the inside of outer container 3A
3a it is formed with the inlet 9,9 of the expanding foam solution 6a for injecting foaming heat insulation component 6.In addition, inlet 8,8,9,9 is to infuse
The hole needed when entering the expanding foam solution 6a of foaming heat insulation component 6, the quilt after the injection foaming of the expanding foam solution 6a of foaming heat insulation component 6
(cover) etc. is covered to close.
Foaming heat insulation component 6 is not heat insulating member preshaped as foam styrene (forming heat insulating member), and
It is and to be infused by the way that the expanding foam solution 6a of foaming heat insulation component to be injected to the foaming heat insulation space between heat accumulation water pot 2 and outer container 3A
The component for making expanding foam solution 6a foam after entering and constituting.As the foaming heat insulation component 6, such as it is able to use rigid polyurethane foam
Foam plastics.The rigid polyurethane foam is two kinds of polyurethane foam liquid by making polyol component and isocyanates ingredient
Obtained from reacting in the presence of foaming agent, catalyst, surfactant.In addition, being able to use ring penta as foaming agent
Alkane, water, carbonic acid gas etc..In addition, foaming heat insulation component 6 is not limited to rigid polyurethane foam.
Interior leg 4 is the leg (so-called L-type angle) that section view is bent into L-shaped, to store up from the top of lower part siding 2c edge
The axial mode extended to bottom plate 3e of hot-water cylinder 2 configures.In addition, there is interior leg 4 leg receiving portion 4a, leg receiving portion 4a to pass through
Welding is fixed on the outer surface of heat accumulation water pot 2.Leg receiving portion 4a is also the component that section view is bent into L-shaped, is constituted
Top for interior leg 4 is inserted into wherein.Interior leg 4 is fixed on leg receiving portion 4a by multiple bolt B T.
In addition, each interior leg 4 is configured around heat accumulation water pot 2 with 120 degree of intervals, interior leg 4 (4A) configuration is in heat accumulation
The front end (positioned at the part of forefront) of water pot 2, other interior legs 4 (4B, 4C) are with towards the left and right rear ramp of heat accumulation water pot 2
Mode configures.
In the lower surface of bottom plate 3e, outer leg 7 is fixed in position corresponding with each interior leg 4.The outer leg 7 passes through foundation bolt
(not shown) etc. is fixed on G at setting.
Vacuum heat-insulation component 5 is the component of sheet, is centered around around the main board 2a of heat accumulation water pot 2.In addition, vacuum every
Thermal part 5 is, for example, by the core components being made of glass fibres such as mineral wools (glass wool) outsourcing for coating the core
Component covering is covered, then the inside of outer cladding component is evacuated and constitutes.Outer cladding component is by with barrier properties for gases
The laminated film of aluminum is constituted.
In addition, vacuum heat-insulation component 5, such as the length of its axial and circumferential are formed as the axial length than heat accumulation water pot 2
It is short with the length of complete cycle, so that leg receiving portion 4a and temperature sensor T1, T2 are located at the not non-overlapping portion Chong Die with heat accumulation water pot 2
The mode of 5b, 5a are centered around on heat accumulation water pot 2.This is the fixation in order to be reliably achieved leg receiving portion 4a Yu heat accumulation water pot 2.This
It outside, is for temperature sensor T1, T2 readily replaceable when temperature sensor T1, T2 are led to the problem of.But about vacuum heat-insulation
The installation site of component 5 is not particularly limited to this.Such as vacuum heat-insulation component 5 can also be mounted on to the inner circumferential of outer container 3A
Face.
Fig. 3 is from the front elevation in terms of inlet side when heat accumulation water pot unit, and Fig. 4 is implemented in terms of the upper plate side of heat accumulation water pot
Sectional view (hereinafter, suitably cross-referenced) when the heat accumulation water pot unit of mode.In addition, Fig. 3 and Fig. 4 indicate injection foaming every
State before the expanding foam solution 6a of thermal part 6.
As shown in figure 3, in the lower part of heat accumulation water pot 2, when seeing the back plate 3c of outer container 3A by inlet 8,8 sides, interior leg 4
(4A) is located at the central portion of width direction, and other interior legs 4,4 (4B, 4C) are located at the substantially both ends of width direction.In addition, water supplying pipe
11 and water inlet pipe 12 from the central side of heat accumulation water pot 2 pass through the attached of bottom plate 3e to outer peripheral side (front side of diagram vertical direction)
Closely, it is configured upwards along interior leg 4 (4A).
In addition, being formed with gap s1, s1 between the side plate 3b and heat accumulation water pot 2 of outer container 3A.In the gap, s1, s1 are also filled out
Filled with foaming heat insulation component 6.But when heat accumulation water pot 2 and side plate 3b are directly contacted, it is possible to which the heat in heat accumulation water pot 2 is logical
Outer container 3A is crossed to shed to the outside of heat accumulation water pot unit 1A.But by true between the side plate 3b and heat accumulation water pot 2 of outer container 3A
Gap s1 is protected, the leakage of heat is able to suppress, therefore is able to suppress the efficiency reduction as hot-warer supplying machine K.In addition, by by gap
S1 is set as being able to suppress the minimal distance of the degree of the leakage of heat, can compactly constitute heat accumulation water pot unit 1A.
On the other hand, the inlet 8A (8) in (diagram left side), which is formed in, leaves heat accumulation water pot 2, interior leg 4B, 12 and of water inlet pipe
The position of all components of interior leg 4A, and it is formed in the position that the back plate 3c (depths) of outer container 3A can be seen by inlet 8A
It sets.In other words, in plan view when from terms of inlet 8A, inlet 8A be formed in heat accumulation water pot 2, interior leg 4B, enter water
Pipe 12 and the interior nonoverlapping position leg 4A.
The inlet 8B (8) on other (diagram right sides) similarly, is formed in and leaves heat accumulation water pot 2, interior leg 4C, water supplying pipe 11
With the position of all components of interior leg 4A, and it is formed in the back plate 3c's (depths) that outer container 3A can be seen by inlet 8B
Position.In other words, in plan view when from terms of inlet 8B, inlet 8B is formed in and interior leg 4C, heat accumulation water pot 2, confession
Water pipe 11 and the interior nonoverlapping position leg 4A.
On the top of heat accumulation water pot 2, when from terms of the inlet 9 of the expanding foam solution 6a of foaming heat insulation component 6,9 sides in outer container 3A,
Hot-water outlet pipe 13 and heat supply water pipe 14 are gone (also together referring to aftermentioned Fig. 4) to outer peripheral side from the central side of heat accumulation water pot 2, then edge
Top siding 2b extends to face side (side piping cover 3s).In addition, when hot-warer supplying machine K has bathtub (not shown), in heat accumulation
The heat exchanger HE of reheating is provided in water pot 2, the bathtub return pipe 15 connecting with heat exchanger HE and heat accumulation water pot 2
Top connection.The bathtub return pipe 15 is also as above-mentioned hot-water outlet pipe 13 and heat supply water pipe 14, from the center of heat accumulation water pot 2
Lateral face side (side piping cover 3s) extends.In addition, in the following description, heat exchanger HE and bathtub return pipe 15 are simultaneously different
It surely is required structure.That is, also can certainly in the heat accumulation water pot unit for not having heat exchanger HE and bathtub return pipe 15
Using embodiments of the present invention.
Inlet 9,9 (9A, 9B), which is formed in, leaves heat accumulation water pot 2, hot-water outlet pipe 13, heat supply water pipe 14 and bathtub return pipe
15 position, and it is formed in the position that the back plate 3c of outer container 3A can be seen by inlet 9A, 9B.In other words, from note
In plan view when entrance 9A, 9B are seen, inlet 9A, 9B are formed in and heat accumulation water pot 2, hot-water outlet pipe 13, heat supply water pipe 14
With the nonoverlapping position of bathtub return pipe 15.
The heat supply water pipe 14 on 2 top of heat accumulation water pot configures the substantially near top in top siding 2b by tube socket 20.Separately
Outside, in Fig. 3, the omission of tube socket 20 of hot-water outlet pipe 13, bathtub return pipe 15.Tube socket 20 is for example including for by heat supply water pipe 14
The hollow cylindrical portion of insert and with from hollow cylindrical portion be in overshooting shape shape outstanding flange part.
On tube socket 20, bearing part 40 is engaged with the step difference part of hollow cylindrical portion in above-mentioned flange part.The bearing
Component 40 for example in hollow substantially cylindrical shape with the end, be have the hollow diameter and tube socket 20 of bottom hollow cylindrical portion it is outer
The fastener of the roughly equal shape of diameter.Moreover, being provided with the notch 21 inserted for heat supply water pipe 14.The bearing part 40 is logical
It crosses the methods of welding or bolt fixation and the upper plate 3d of outer container 3A is fixed.In other words, bearing part 40 is and is used for supplying hot water
Pipe 14 be fixed on heat accumulation water pot 2 tube socket 20 engage fastener, the fastener be fixed in outer container 3A become with as storage
The inner surface in the opposite face of the another side of the opposite side of 4 side of interior leg of the one end of hot-water cylinder 2.
Therefore, in existing heat accumulation water pot unit, it is known that use well water contour in the water as supply to heat accumulation water pot
In the case where hardness water, when piping is using copper alloys such as brass, matches pipe internal surface because of timeliness deterioration and corrode, cause stress
(referring for example to bibliography 1: " big saliva force leads to " stress-corrosion cracking of copper alloy ", anticorrosion technique, Vol.12 to corrosion failure
(1963), No.9, P412-423, alternatively, https: //www.jstage.jst.go.jp/article/jcorr1954/12/
9/12_9_413/_pdf Internet is retrieved for Heisei on August 1st, 26 ").Therefore, for the purpose of coping with the project, design has
Make the product with all stainless steels of tubing (for example, referring to patent document 1).
But it in the case where the water as supply to heat accumulation water pot is without using high hardness waters such as well water, does not need to examine
Consider the problem of corrosion for matching pipe internal surface, therefore due to cost-benefit relationship, piping is common using the example of copper alloy.
In contrast, in the heat accumulation water pot unit 1A of embodiments of the present invention, no matter supply to the water of heat accumulation water pot 2
For which type, the piping for being accommodated in the inside of outer container 3A uses the piping for having corrosion resistance to amine or ammonia.It is specific and
Speech is accommodated in outer container 3A and includes at least water supplying pipe 11, water inlet pipe 12, hot-water outlet pipe 13, heat supply water pipe 14, bathtub return pipe
15 all pipings by amine or ammonia there is the piping of corrosion resistance to constitute.In addition, herein it is so-called piping refer to no matter
It is the concept that all of which is included by which kind of pattern such as bobbin (pipe), hose (tube), coiled pipe (hose).
The reasons why using piping by there is the material of corrosion resistance to be formed amine or ammonia, is as follows.As described above, at this
In the heat accumulation water pot unit 1A of the embodiment of invention, foaming heat insulation portion is injected in the gap between outer container 3A and heat accumulation water pot 2
The expanding foam solution 6a of part 6.The hydroxyl of polyalcohol contained in expanding foam solution 6a and the isocyanate group of isocyanates ingredient occur anti-
It answers and forms polyurethane.When forming polyurethane, by making foaming agent foam, become polyurathamc, by polyurathamc structure
At foaming heat insulation component 6 be filled between outer container 3A and heat accumulation water pot 2 without gap.The hair being made of the polyurathamc
Heat insulating member 6 is steeped from adding caused by synthesizing because of the moisture (such as dew) around being attached to heat accumulation water pot 2 and being piped
Lasting deterioration due to water decomposition or the decomposition caused by the heat of surrounding.Following presentation polyurethane hydrolyzable reaction example or
The example of the thermal decomposition of polyurethane.
[chemical formula 1]
[chemical formula 2]
Herein, chemical formula 1 is the chemistry for indicating to be formed the example of the hydrolyzable of the polyurathamc of foaming heat insulation component 6
Reaction equation, chemical formula 2 are the chemical equations for indicating to be formed the example of the thermal decomposition of the polyurathamc of foaming heat insulation component 6.
R, R in formula ' for example indicate alkyl.In addition, R, R ' both can be identical, it can also be different from each other.It is attached to heat accumulation water pot 2 and piping
Around moisture can for example enumerate dew.In addition, the heat around heat accumulation water pot 2 and piping for example considers heat accumulation water pot 2
The case where with the hot direct thermal conductive of the hot water of the inside of piping, or examined in the case where being surrounded with vacuum heat-insulation component 5
The case where considering through indirect thermal conductives such as its gaps.
Carbonyl in the structural formula of general polyurethane is easy by water (H2O necleophilic reaction caused by oxygen (O)).Therefore,
Since the ammonia ester bond in polyurethane is reacted with the moisture of surrounding, polyurethane is decomposed (hydrolyzable) as isocyanates ingredient
And polyol component.In addition, the ammonia ester bond in polyurethane is weaker in C-O linkage, polyurethane due to be exposed to hanker and by
Decomposing (thermal decomposition) is isocyanates ingredient and polyol component.
Moreover, the isocyanate group of the isocyanates ingredient generated by the decomposition of polyurethane is reacted with water, thus isocyanide
Hydrochlorate ingredient is broken down into amine component and carbon dioxide (CO with amino2) (hydrolyzable).
[chemical formula 3]
As shown in chemical formula 3, when isocyanates ingredient is by hydrolyzable, level-one amine and carbon dioxide are generated.In chemistry
In the case that the alkyl (R) of amine is hydrogen atom (H) in formula, which becomes ammonia (NH3), generate ammonia.In other words to this, as changed
Shown in formula 1~3, by the decomposition of above-mentioned foaming heat insulation component 6, amine or ammonia are generated.
But corrosive medium of the ammonia generated in this way for example as copper alloys such as brass is widely understood, and it is known by
It is very easy to be dissolved in water in ammonia so because humidity is affected.I.e., it is known that in the atmosphere of ammonia, brass occurs very significantly
The stress-corrosion cracking (being saved referring for example to the p418 " 32 ammonia " of above-mentioned bibliography 1) of equal copper alloys.
Therefore, in the case where piping is made of Cu alloy materials such as brass as prior art, with the water of supply
The water quality such as hardness are unrelated, since the deterioration caused by the decomposition with the foaming heat insulation component 6 being made of polyurathamc carries out
And the ammonia generated, and the corrosion for the outer surface being piped.Moreover, existing when further deterioration is gone down and causing stress rotten
The case where erosion rupture.
In order to cope with the problem, it is accommodated in the inside of the outer container 3A of the heat accumulation water pot unit 1A of embodiments of the present invention
Piping is all by there is the piping of corrosion resistance to constitute amine or ammonia.
In addition, as such specific candidate target to amine or ammonia with corrosion resistance piping, such as both can be with
For the piping of stainless steel, or the piping of resin.In addition it is also possible to for the piping of the material other than them.Further,
Such as when the components such as connector in piping also used as combined in phenyl ring polymer (condensate) obtained from sulphur,
In terms of heat-resistant pressure-resistant strength character when the component of excellent PPS (polyphenylene sulfide) resin, not only excellent corrosion resistance but also change
Shape amount is also suppressed, it may be said that more preferably.In addition, for example making in the case where making corrosion resistance piping is the piping of stainless steel
The advantages of for other than corrosion resistance, additionally it is possible to enjoy and be not easy to adhere to dirt in outer surface, be not easy to adhere to scale in inner surface, be not easy
It the effectiveness such as gets rusty, thus it is preferred that.
In this state, as shown in figure 4, enabling inlet 9A, 9B upward in the vertical direction, the hair of foaming heat insulation component 6
Liquid 6a is steeped to inject from inlet 9A, 9B towards vertical direction lower section.That is, inlet 9A, 9B become the upside of vertical direction, outer container
3 back plate 3c becomes (bottom) side under vertical direction.
But if from inlet 9A, 9B injection foaming before foaming heat insulation component 6 expanding foam solution 6a when, foaming every
The expanding foam solution 6a of thermal part 6 is in midway and hot-water outlet pipe 13, heat supply water pipe 14, the bathtub return pipe for reaching the back plate 3c of outer container 3A
15, other component contacts such as tube socket 20, bearing part 40, then in hot-water outlet pipe 13, heat supply water pipe 14, bathtub return pipe 15, pipe
Other components such as seat 20, bearing part 40 start to foam, and there are foaming heat insulation components 6 not to diffuse into asking for the rear side of other components
Topic.Therefore, in embodiments, the expanding foam solution 6a of foaming heat insulation component 6 is injected below from inlet 9A, 9B to vertical direction
When, make the expanding foam solution 6a of foaming heat insulation component 6 not with heat accumulation water pot 2, hot-water outlet pipe 13, heat supply water pipe 14, bathtub return pipe 15,
Tube socket 20, bearing part 40 contiguously reach the inner wall 3c1 of the back plate 3c of outer container 3A.Thereby, it is possible to make foaming heat insulation component 6
It foams upwards from bottom side, foaming heat insulation component 6 can be made to be diffused into whole gaps between heat accumulation water pot 2 and outer container 3A.
In addition, also making from the expanding foam solution 6a of inlet 8A, 8B injection foaming heat insulation component 6 from inlet
8A, 8B injection foaming heat insulation component 6 expanding foam solution 6a not with heat accumulation water pot 2, interior leg 4A, 4B, 4C, water supplying pipe 11, water inlet pipe
12 contiguously reach the inner wall 3c1 of the back plate 3c of outer container 3A.Thereby, it is possible to send out foaming heat insulation component 6 upwards from bottom side
Bubble, can make foaming heat insulation component 6 be diffused into whole gaps between heat accumulation water pot 2 and outer container 3A.
In addition, being formed with gap s2 between the back plate 3c and heat accumulation water pot 2 of outer container 3A.The s2 also filling-foam in the gap
Heat insulating member 6.In addition, being also formed with gap s3 between the foreboard 3a and heat accumulation water pot 2 of outer container 3A.In this way, by between ensuring
Gap s2, s3, is able to suppress the leakage of heat, therefore is able to suppress the efficiency reduction as hot-warer supplying machine K.In addition, by by gap
S2, s3 are set as being able to suppress the minimal distance of the degree of the leakage of heat, can compactly constitute heat accumulation water pot unit
1A。
Fig. 5 (a) is the figure of the flowing of the foaming heat insulation component (expanding foam solution) when indicating injection, and Fig. 5 (b) is to indicate to have injected
The figure of the state of foaming heat insulation component (expanding foam solution) after, Fig. 5 (c) are the figures for indicating the state of foaming midway.Wherein, it omits
The record of hot-water outlet pipe 13 and bathtub return pipe 15.
As shown in Fig. 5 (a), before piping cover 3s (referring to Fig.1) is installed, make to utilize interior leg 4A, 4B, 4C and bearing part
Heat accumulation water pot 2 is fixed on the structural body in outer container 3A as following state by 40: by outer container 3A traverse, when the use of outer container 3A
Upper and lower become horizontal direction and enable foreboard 3a upward, inlet 8,9 is upward.In the state of in this way by outer container 3A traverse, benefit
It is covered around outer container 3A with foaming management jig (also referred to as work piece holder) 30 (referring to the double dot dash line of Fig. 5), so that outer container
3A will not be deformed due to the pressing force when expanding foam solution 6a of foaming heat insulation component 6 foams.Foaming management fixture 30 surrounds outer container
The entire surrounding of 3A, the fixture of the plate including pressing all foreboard 3a, side plate 3b, 3b, back plate 3c, upper plate 3d, bottom plate 3e.It
Afterwards, inlet will be inserted into inlet 8, the 9 corresponding preformed nozzles 31 in position from the outside of foaming management fixture 30
8, in 9, the expanding foam solution 6a of foaming heat insulation component 6 is injected from inlet 8,9.
As a result, from the expanding foam solution 6a of inlet 9A, 8B foaming heat insulation component 6 injected not by heat accumulation water pot 2, hot-water outlet pipe
13, heat supply water pipe 14, bathtub return pipe 15, tube socket 20, bearing part 40 interfere the inner wall of ground arrival bottom side (back plate 3c)
3c1.Later, the expanding foam solution 6a of foaming heat insulation component 6 along back plate 3c inner wall 3c1 extend, as shown in Fig. 5 (b) including
A face of wall surface 3c1 is with defined Depth Expansion.In addition, the depth of the expanding foam solution 6a of injection foaming heat insulation component 6 being capable of root
It is suitably changed according to the expansion ratio of foaming heat insulation component 6.
Later, foaming heat insulation component 6 starts to foam, and the side back plate 3c as shown in Fig. 5 (c) from outer container 3A is (under diagram
Side, bottom side) it gradually foams to the side foreboard 3a (diagram upside).Later, foaming heat insulation component 6 foams to the inner wall of foreboard 3a
3a1, whole gaps between outer container 3A and heat accumulation water pot 2 are full of by foaming heat insulation component 6.
At this point, the downside paper of Fig. 5 (a) (on the left of) of heat accumulation water pot 2 is by being fixed on interior leg 4A, 4B, 4C of outer container 3A,
It can prevent from floating blow pressure Pa (referring to the hollow arrow of Fig. 5 (b), Fig. 5 (c)) even if by foaming heat insulation component 6
Etc. positional shifts.In addition, the upside (on the right side of the paper of Fig. 5 (a)) of heat accumulation water pot 2 is also by the bearing part for being fixed on outer container 3A
40, blow pressure Pa (referring to the hollow arrow of Fig. 5 (b), Fig. 5 (c)) even if by foaming heat insulation component 6 can prevent from floating
Rise etc. positional shifts.
In addition, the outer surface of outer container 3A is integrally pinned, from there through foaming heat insulation component using foaming management jig 30
Blow pressure Pa when 6 foaming can prevent outer container 3A from expanding (deformation).Then, foaming heat insulation component 6 is solid after foaming
Change.
Fig. 6 is the cross-sectional view of heat accumulation water pot unit.
As indicating, foaming heat insulation component 6 is disposed around the vacuum heat-insulation portion of heat accumulation water pot 2 in Fig. 6
Between part 5 and outer container 3A.
In addition, in the front of heat accumulation water pot unit 1A, the shape between outer container 3A and heat accumulation water pot 2 closest to outer container 3A
At there is gap s3, foaming heat insulation component 6 is filled in the s3 of the gap.In addition, the vacuum heat-insulation component 5 in heat accumulation water pot 2 does not have
There is the non-overlapping portion 5a surrounded to be also filled with foaming heat insulation component 6.
In addition, in the both sides heat accumulation water pot unit 1A, outer container 3A and the vacuum heat-insulation component 5 closest to outer container 3A it
Between be formed with gap s1, s1, each gap s1 be filled with foaming heat insulation component 6.Equally, at the rear portion of heat accumulation water pot unit 1A,
It is formed with gap s2 between outer container 3A and vacuum heat-insulation component 5 closest to outer container 3A, in gap s2 filled with foaming
Heat insulating member 6.
Formed between heat accumulation water pot 2 and outer container 3A in this way gap s3 and vacuum heat-insulation component 5 and outer container 3A it
Between form gap s1, s1, s2, and foaming heat insulation component 6 is set in these positions, the heat being able to suppress in heat accumulation water pot 2 passes through
Vacuum heat-insulation component 5 leaks to the outside of outer container 3A.
Fig. 7 (a) is the covering state of the preflood vacuum heat-insulation component of foaming heat insulation component (expanding foam solution), and Fig. 7 (b) is
The covering state of vacuum heat-insulation component after the injection of foaming heat insulation component (expanding foam solution), foaming.
But the heat-proof quality compared with foaming heat insulation component 6 is equal of vacuum heat-insulation component 5 is excellent, ands vacuumizing etc. by
Compression solidification.In the appearance that the vacuum heat-insulation component 5 after solidifying so is arbitrarily bent to or is fixed on abutting heat accumulation water pot 2
The cylindrical mode in face has difficulties when configuring.
Therefore, in embodiments, while vacuum heat-insulation component 5 and foaming heat insulation component 6 are used, thus, it is possible to pass through benefit
Pressure when with the foaming of foaming heat insulation component 6 makes vacuum heat-insulation component 5 be tightly attached to the outer peripheral surface of heat accumulation water pot 2.In addition, in reality
It applies in mode, the foaming heat insulation component 6 for making it foam after the implantation is used by the foaming heat insulation component without using forming
Expanding foam solution 6a, gap s1, s2, the s3, top that can cannot be filled with vacuum heat-insulation component 5 using the landfill of foaming heat insulation component 6
Gap around siding 2b, lower part siding 2c.Thus, it is possible to realize the raising of heat-proof quality.
That is, as shown in Fig. 7 (a), if by vacuum heat-insulation component 5 before the expanding foam solution 6a of filling-foam heat insulating member 6
It is centered around the outer surface of heat accumulation water pot 2, then forms gap S between the outer surface of heat accumulation water pot 2 and vacuum heat-insulation component 5.But
It is that as shown in Fig. 7 (b), the expanding foam solution 6a of foaming heat insulation component 6 is injected between outer container 3A and vacuum heat-insulation component 5, thus, it is possible to
Vacuum heat-insulation component 5 is being pressed the direction on water storage tank 2 by blow pressure Pa when enough being foamed by foaming heat insulation component 6
It plays a role, and vacuum heat-insulation component 5 is made to be tightly attached to the outer surface of heat accumulation water pot 2.
In such manner, it is possible to make vacuum heat-insulation component 5 be close to heat accumulation water pot 2, therefore heat accumulation water pot unit 1A can be improved it is heat-insulated
Performance.Thereby, it is possible to obtain the heat accumulation water pot unit 1A with high energy-efficient performance.
(function and effect)
Again it summarizes to the function and effect of embodiments of the present invention, as described below.
In the heat accumulation water pot unit 1A of embodiment, inlet 9A, 9B are configured at from the inlet 9 (9A, 9B)
It, can not be by heat accumulation water pot 2, piping (hot-water outlet pipe 13, heat supply water pipe 14, bathtub return pipe 15), tube socket 20 when in outer container 3A
The position of the depths (back plate 3c) of outer container 3A is seen with support part 40 with interfering.According to this structure, it is infused from inlet 9A, 9B
It, can be direct from inlet 9A, 9B by the expanding foam solution 6a of foaming heat insulation component 6 when having entered the expanding foam solution 6a of foaming heat insulation component 6
It supplies to the inner wall 3c1 of back plate 3c, therefore foaming heat insulation component 6 can be filled in outer container 3A in the top of heat accumulation water pot 2
Whole gaps between heat accumulation water pot 2.Thereby, it is possible to obtain the heat accumulation water pot unit 1A with high heat-proof quality.
In addition, in the heat accumulation water pot unit 1A of embodiment, inlet 8A, 8B be configured at from the inlet 8 (8A,
When 8B) seeing in outer container 3A, it can not be hampered by heat accumulation water pot 2, piping (water supplying pipe 11, water inlet pipe 12) and interior leg 4 (4A, 4B, 4C)
See the position of the depths (back plate 3c) of outer container 3A with hindering.According to this structure, foaming heat insulation portion is being filled with from inlet 8A, 8B
When the expanding foam solution 6a of part 6, the expanding foam solution 6a of foaming heat insulation component 6 can be directly fed to back plate 3c's from inlet 8A, 8B
Inner wall 3c1, therefore foaming heat insulation component 6 can be filled between outer container 3A and heat accumulation water pot 2 in the lower section of heat accumulation water pot 2
Whole gaps.Thereby, it is possible to obtain the heat accumulation water pot unit 1A with high heat-proof quality.
In addition, general heat accumulation water pot 2 is when the expanding foam solution 6a of foaming heat insulation component 6 to be injected into inside outer container 3A, because
Centre is empty, so being easy to happen positional shift by buoyancy caused by blow pressure Pa.But the heat accumulation of embodiment
Water pot 2 has the following structure: interior leg 4A, 4B, 4C are fixed on by downside (on the left of the paper of Fig. 5 (a)) by interior leg receiving portion 4a
On outer container 3A, and bearing part 40 is fixed on outer container 3A by upside (on the right side of the paper of Fig. 5 (a)) also by tube socket 20.By
This, even if the blow pressure Pa (referring to the hollow arrow of Fig. 5 (b), Fig. 5 (c)) by foaming heat insulation component 6, also because of heat accumulation
The movement of water pot 2 is limited, so being reliably prevented from the positional shifts such as float of heat accumulation water pot 2.
In addition, being surrounded with the vacuum heat-insulation component 5 of sheet in heat accumulation water pot 2, therefore can be further according to embodiment
Thermal insulation is improved, and vacuum heat-insulation component 5 can be made to be tightly attached to water storage using the blow pressure Pa of foaming heat insulation component 6
The outer surface of tank 2, therefore the heat accumulation water pot unit 1A with higher heat-proof quality can be obtained.
In addition, according to embodiment, interior leg 4 (4A, 4B, 4C) is constituted by three, therefore can be easily by heat accumulation water pot 2
It is steadily supported in outer container 3A, furthermore it is possible to which inlet 8,8, which is formed in, (to be supplied water by heat accumulation water pot 2, piping
Pipe 11, water inlet pipe 12) and the obstruction ground of interior leg 4 (4A, 4B, 4C) see the position of back plate 3c.
In addition, all pipings for being accommodated in the inside of outer container 3A are corrosion-resistant by having to amine or ammonia according to embodiment
Property piping constitute.Specifically, being accommodated in including at least water supplying pipe 11, water inlet pipe 12, hot-water outlet pipe 13, supplying in outer container 3A
All pipings of hot-water line 14, bathtub return pipe 15 by amine or ammonia there is the piping of corrosion resistance to constitute.Even if as a result,
Foaming heat insulation component 6 is chemically reacted due to moisture and/or heat, such as ammonia ester bond is decomposed and generates ammonia, the ammonia
Such as corrosive medium will not be become and cause stress-corrosion cracking.Air-tightness is improved as a result, so stress will not occur
Leak caused by corrosion failure.That is, can be realized the heat accumulation water pot unit 1A with high water storage performance.
Therefore, heat accumulation water pot unit 1A it is home-use it is equal in be generally located on outside room etc. and to be exposed to the place of outer gas (rain).
In addition, foaming heat insulation component 6 is because have the property of the influence vulnerable to water, it is advantageous to the structures not contact with water.Therefore,
In embodiments, the configuration of inlet 8,8 is in the side piping cover 3s (side foreboard 3a), thus in the expanding foam solution of foaming heat insulation component 6
After injection, the foaming of 6a terminates, inlet 8,8 is covered by piping cover 3s (referring to Fig.1).Therefore become the immersion of water (rainwater)
The inlet 8,8 of mouth is covered by piping cover 3s, even if to inlet 8,8 using the measure of reply water immersion (for example, injecting
The gap of lid is filled the measures of getting up plus lid and further using seal member by mouth 8,8), it also can be only by with simple
Lid blocks inlet 8,8 to prevent the immersion of the water from inlet 8,8.Thereby, it is possible to simplify the knot of heat accumulation water pot unit 1A
Structure.
Above-mentioned embodiment is described in detail to illustrate to be readily apparent that the present invention, but not
Centainly it is defined in including illustrated all structures.Furthermore it is possible to a part of the structure of one embodiment be replaced with another
The structure of a embodiment, additionally it is possible to which a part of the structure of another embodiment is added in the structure of one embodiment
Or all.Furthermore it is possible to carry out addition, removal, the replacement of other structures to a part of the structure of each embodiment.
For example, in embodiments, enumerating vacuum heat-insulation component 5 in a manner of the periphery face contact with heat accumulation water pot 2
It is illustrated for the structure surrounded, but it's not limited to that, or in inner wall (the foreboard 3a, side plate of outer container 3
Each inner wall of 3b, back plate 3c, upper plate 3d, bottom plate 3e) configuration vacuum heat-insulation component 5 structure.Thereby, it is possible to not only cover heat accumulation
The side (all surface sides) of water pot 2, but also the entire surrounding including covering heat accumulation water pot 2 above and below heat accumulation water pot 2.
In addition, the variation as embodiment, outer container 3A can also be formed as in viewgraph of cross-section as octagon.Even if
In this way, because heat accumulation water pot 2 is roughly the same in the circumferential at a distance from outer container, the hair being filled in around heat accumulation water pot 2
The loading for steeping heat insulating member 6 is also roughly the same all around.The foaming heat insulation that thereby, it is possible to make to act on heat accumulation water pot 2
The blow pressure Pa of component 6 is uniform, can prevent the generation for a problem that heat accumulation water pot 2 deforms.
In addition, in embodiments, using the structure for engaging bearing part 40 with the tube socket 20 of heat supply water pipe 14, still
It's not limited to that.Bearing part 40 is unrelated with the type of setting piping.Such as it can also be returned using with hot-water outlet pipe 13, bathtub
The structure that the tube socket 20 of water pipe 15 engages respectively.
In addition, no matter the type of hot-water supply why, the present invention can be applied to water channel direct press type heat supply
Water installations etc., the hot-water supply of the water channel direct press type is will be from heat accumulation to the supply of the supplying hot waters such as tap or shower head terminal 18
The hot water that the top of water pot 2 is taken out is with tap water progress heat exchange and as the tap water of warm water.
Furthermore it is possible to be applied to that there is the hot-water supply for reheating heat exchanger HE in the outside of heat accumulation water pot.
Claims (4)
1. a kind of heat accumulation water pot unit characterized by comprising
Heat accumulation water pot；
Store the outer container of the heat accumulation water pot；
The foaming heat insulation component that expanding foam solution is foamed and formed is injected between the outer container and the heat accumulation water pot；With
Piping is arranged between the outer container and the heat accumulation water pot, the decomposition by the foaming heat insulation component is produced
Raw amine or ammonia has corrosion resistance,
Foaming heat insulation component is filled with around the piping.
2. heat accumulation water pot unit as described in claim 1, it is characterised in that:
The piping includes at least: the water supplying pipe of Xiang Suoshu heat accumulation water pot importing tap water；From the heat accumulation water pot to heat pump
Water inlet pipe；From the heat pump to the hot-water outlet pipe of the heat accumulation water pot；With the heat supply from the heat accumulation water pot to supplying hot water terminal
Water pipe.
3. heat accumulation water pot unit as described in claim 1, it is characterised in that:
The piping is formed by stainless steel or resin.
4. heat accumulation water pot unit as described in claim 1, it is characterised in that:
The foaming heat insulation component is hard polyurethane foams.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014169018A JP5859617B1 (en) | 2014-08-22 | 2014-08-22 | Hot water storage tank unit |
| JP2014-169018 | 2014-08-22 |
Publications (2)
| Publication Number | Publication Date |
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| CN105987509A CN105987509A (en) | 2016-10-05 |
| CN105987509B true CN105987509B (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510082229.9A Expired - Fee Related CN105987509B (en) | 2014-08-22 | 2015-02-15 | Heat accumulation water pot unit |
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| Country | Link |
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| JP (1) | JP5859617B1 (en) |
| CN (1) | CN105987509B (en) |
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| JP6932093B2 (en) * | 2018-02-14 | 2021-09-08 | 株式会社コロナ | Water heater |
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| JP5979576B2 (en) * | 2011-12-27 | 2016-08-24 | 株式会社ノーリツ | Hot water storage tank system for hot water supply system |
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| JP5325281B2 (en) * | 2006-03-31 | 2013-10-23 | 大阪瓦斯株式会社 | Open air storage tank |
| JP2015503080A (en) * | 2011-12-08 | 2015-01-29 | ダウ グローバル テクノロジーズ エルエルシー | Water heater jacket |
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2014
- 2014-08-22 JP JP2014169018A patent/JP5859617B1/en active Active
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- 2015-02-15 CN CN201510082229.9A patent/CN105987509B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2410575Y (en) * | 1999-06-11 | 2000-12-13 | 高春英 | High efficient electric water heater |
| JP2007292435A (en) * | 2006-03-31 | 2007-11-08 | Osaka Gas Co Ltd | Atmosphere open type heat storage tank |
| JP2010096364A (en) * | 2008-10-14 | 2010-04-30 | Ecotec Co Ltd | Electric water heater |
| DE202009003175U1 (en) * | 2009-03-10 | 2009-05-28 | Mall Gmbh | buffer memory |
| JP2010210157A (en) * | 2009-03-11 | 2010-09-24 | Hitachi Appliances Inc | Water heater |
| CN102478307A (en) * | 2010-11-22 | 2012-05-30 | 厦门源惠科技有限公司 | Integral heat pump water heater |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5859617B1 (en) | 2016-02-10 |
| JP2016044869A (en) | 2016-04-04 |
| CN105987509A (en) | 2016-10-05 |
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