CN216790527U - Energy recovery type hot water heating system and heat preservation device thereof - Google Patents
Energy recovery type hot water heating system and heat preservation device thereof Download PDFInfo
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- CN216790527U CN216790527U CN202220148495.2U CN202220148495U CN216790527U CN 216790527 U CN216790527 U CN 216790527U CN 202220148495 U CN202220148495 U CN 202220148495U CN 216790527 U CN216790527 U CN 216790527U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 238000010438 heat treatment Methods 0.000 title claims abstract description 105
- 238000004321 preservation Methods 0.000 title claims abstract description 36
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 238000009434 installation Methods 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000011218 segmentation Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000010992 reflux Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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Abstract
The utility model belongs to the technical field of domestic water, and particularly relates to an energy recovery type hot water heating system and a heat preservation device thereof. It includes heating device, cold water pipeline, hot water pipeline and heat preservation device, the heat preservation device includes: the thermos bottle is provided with a liquid inlet channel for connecting the outlet of the heating device, a liquid outlet channel for connecting external equipment and a heat preservation inner cavity for accommodating liquid; the inner cavity dividing unit is provided with a dividing piece movably arranged in the heat-insulating inner cavity, the dividing piece divides the heat-insulating inner cavity into a cold water cavity and a hot water cavity, the liquid inlet channel is communicated with the cold water cavity, and the hot water cavity is communicated with the liquid outlet channel; and the backflow unit is provided with a backflow channel which is communicated with the hot water cavity and the inlet of the heating device. The hot water heating system has the advantages of simple structure, energy conservation, environmental protection, quick hot water discharge and the like.
Description
Technical Field
The utility model belongs to the technical field of domestic water, and particularly relates to an energy recovery type hot water heating system and a heat preservation device thereof.
Background
The general gas heater belongs to hot type water heater, because the earlier stage heating cold water needs tens of seconds's time, leads to the hot water export of just beginning gas heater can discharge a certain amount of cold water, and under the general condition, the user can directly arrange, then waits for hot water to come out, uses again, and this has just caused certain water waste.
Secondly, before the gas water heater is closed, a certain amount of hot water can be retained in the gas water heater, and if the next use time interval is longer, the hot water can be slowly cooled, so that certain energy waste is caused.
In addition, for service places such as hotels, the problem that hot water is slow to flow out when a gas water heater is used is not favorable for improving the satisfaction degree of customers.
Disclosure of Invention
The utility model aims to provide an energy recovery type hot water heating system and a heat preservation device thereof, which have the advantages of simple structure, energy conservation, environmental protection and quick hot water discharge.
The purpose of the utility model is realized as follows:
a heat preservation device is arranged between a heating device inlet and a heating device outlet of a heating device; the method comprises the following steps:
the thermos bottle is provided with a liquid inlet channel for connecting the outlet of the heating device, a liquid outlet channel for connecting external equipment and a heat preservation inner cavity for accommodating liquid;
the inner cavity dividing unit is provided with a dividing piece movably arranged in the heat-insulating inner cavity, the dividing piece divides the heat-insulating inner cavity into a cold water cavity and a hot water cavity, the liquid inlet channel is communicated with the cold water cavity, and the hot water cavity is communicated with the liquid outlet channel; and
and the backflow unit is provided with a backflow channel which is communicated with the hot water cavity and the inlet of the heating device.
Preferably, the vacuum flask comprises:
the bottle body is provided with the heat preservation inner cavity and an installation opening communicated with the cold water cavity;
the bottle joint is provided with a joint liquid inlet end used for connecting an outlet of the heating device, a joint liquid outlet end used for connecting external equipment and a joint mounting end connected with the mounting port; and
and one end of the inner pipe is arranged on the bottle joint and communicated with the liquid outlet channel where the liquid outlet end of the joint is positioned, and the other end of the inner pipe penetrates through the partition piece and extends into the hot water cavity.
Preferably, the partition is a piston or a bladder.
Preferably, the lumen dividing unit further comprises a piston resetting member for resetting the piston, or/and a reflux pump is arranged on the reflux channel.
Preferably, the joint installation end has outer installation department and interior installation department, the clearance intercommunication between outer installation department and the interior installation department connect the inlet end, and be formed with inlet channel.
Preferably, a backflow end connected with the backflow channel is arranged on the thermos bottle where the hot water cavity is located, or on the bottle joint where the joint liquid outlet end is located, or on a pipeline connected with the joint liquid outlet end.
Preferably, the vacuum flask further comprises a bottle cap arranged outside the bottle joint, and a heat preservation material is filled between the bottle cap and the bottle joint;
preferably, a heating unit is further arranged outside the bottle joint and comprises a temperature control switch and a heating part.
An energy recovery hot water heating system comprising:
a heating device having a heating device inlet and a heating device outlet;
the cold water pipeline is communicated with a heating device inlet of the heating device through a first control valve;
the hot water pipeline is communicated with the heating device outlet of the heating device through a second control valve; and
the liquid inlet channel is communicated with an outlet of the heating device through the second control valve, and the liquid outlet channel is communicated with the hot water pipeline; the return passage is communicated with a heating device inlet of the heating device through the first control valve.
Preferably, the first control valve and the second control valve are both three-way solenoid valves.
Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:
when external equipment is opened, cold water discharged by the heating device in the previous period enters the cold water cavity through the liquid inlet channel to be temporarily stored, the partition piece is pushed to move, and hot water in the hot water cavity directly flows out through the liquid outlet channel, so that a user can quickly obtain hot water, the waiting time of the original hot water is saved, the experience of the user is improved, and the waste of the original cold water is reduced.
When external equipment is closed, cold water temporarily stored in the cold water cavity can reversely enter the heating device, and meanwhile, hot water which is originally heated but not used in the heating device reversely flows into the hot water cavity through the backflow channel and is subjected to heat preservation. Thereby realizing the surplus recovery of hot water in the heating device, providing the former hot water resource for the next use, and realizing the recovery and the reutilization of energy.
Drawings
FIG. 1 is a schematic view of a first thermal insulation apparatus.
Fig. 2 is an operation principle diagram of the first hot water heating system in the initial state of discharging hot water by the heat preservation device.
Fig. 3 is an operation principle diagram of the first hot water heating system directly outputting hot water.
Fig. 4 is an operation principle diagram of the first hot water heating system for energy recovery.
FIG. 5 is a schematic view of a second thermal insulation apparatus.
Fig. 6 is a schematic diagram of the operation of the second hot water heating system in the initial state of hot water discharge by the heat retaining device.
Fig. 7 is an operation principle diagram of the second hot water heating system directly discharging hot water.
Fig. 8 is an operational schematic diagram of energy recovery of the second hot water heating system.
The reference numerals in the figures denote the meanings:
1-vacuum flask; 2-lumen segmentation unit; 4-a reflux unit; 5-a heating unit;
11-a bottle body; 111-cold water chamber; 112-a hot water chamber; 113-a mounting port; 114-a heat preservation inner container; 115-a heat-insulating shell; 12-bottle connection; 121-liquid inlet end of joint; 122-outlet end of joint; 123-a joint mounting end; 1231-an outer mounting portion; 1232-inner mount; 124-reflux end; 13-a liquid inlet channel; 14-an inner tube; 15-liquid outlet channel; 16-a bottle cap; 17-a thermal insulation material; 18-no-return;
21-a piston; 22-piston return; 25-pouch;
41-a return channel; 43-reflux pump;
51-a temperature control switch; 52-a heating member;
100-a heat preservation device; 200-a heating device; 201-heating device inlet; 202-heating device outlet; 300-cold water pipeline; 400-hot water pipeline; 500-a first control valve; 600-a second control valve; 700-shell.
Detailed Description
The utility model is further described below with reference to specific examples:
the first embodiment is as follows:
as shown in fig. 2, an energy recovery type hot water heating system includes a housing 700, a heating device 200, a cold water pipe 300, a hot water pipe 400, and a temperature keeping device 100. The cold water pipeline 300 is generally connected with a tap water pipe and used for feeding cold water into the cold water pipe; the heating device 200 is used for heating cold water and is provided with a heating device inlet 201 and a heating device outlet 202; the hot water pipe 400 is used for hot water outlet. For convenience of installation, one ends of the cold and hot water lines 300 and 400 extend out of the housing 700, and the other ends of the cold and hot water lines 300 and 400 and the remaining components are disposed inside the housing 700.
As shown in FIG. 1, the thermal insulation device 100 is adapted to be installed between a heating device inlet 201 and a heating device outlet 202 of a heating device 200, and includes a thermos 1, a cavity dividing unit 2, and a reflux unit 4.
The vacuum flask 1 includes a flask body 11, a flask connector 12, and an inner tube 14.
The bottle body 11 is provided with a heat preservation inner container 114 and a heat preservation shell 115, a heat preservation inner cavity for containing liquid is formed in the heat preservation inner container 114, and a vacuum layer is arranged between the heat preservation inner container 114 and the heat preservation shell 115 and used for preserving heat of the liquid. The bottle body 11 is provided with an installation port 113 with internal threads, and the installation port 113 is screwed with the bottle joint 12.
The outer wall of the outer mounting part 1231 is provided with an external thread and an O-shaped ring matched with the mounting port 113, and the bottle joint 12 is hermetically connected with the bottle body 11. An inner tube 14 is arranged on the inner wall of the inner mounting part 1232, the inner tube 14 is preferably a stainless steel tube, and the other end of the inner tube 14 extends into the bottom of the bottle body 11 and is communicated with the heat preservation inner cavity. A liquid outlet channel 15 is formed among the inner pipe 14, the inner mounting part 1232 and the joint liquid outlet end 122. The liquid outlet channel 15 is connected with external equipment such as a faucet and a shower head through pipelines and is used for hot water of a user.
The inner cavity dividing unit 2 is provided with a piston 21 movably arranged in the heat preservation inner cavity and a piston resetting piece 22 for resetting the piston 21, in the embodiment, the piston resetting piece 22 is a resetting spring, one end of the piston resetting piece is abutted to the piston 21, and the other end of the piston resetting piece is abutted to the bottom of the bottle body 11. For ease of installation, a fixed sleeve may also be fixed to the inner end of the inner tube 14, with a return spring disposed between the piston 21 and the fixed sleeve.
The piston 21 divides the heat-preservation inner cavity into a cold water cavity 111 and a hot water cavity 112, the liquid inlet channel 13 is communicated with the cold water cavity 111, and the cold water cavity 111 is the heat-preservation inner cavity at one side of the piston close to the mounting opening 113; the hot water cavity 112 is communicated with the liquid outlet channel 15 through the inner pipe 14.
In this embodiment, since the heating of instant water heater needs a certain time, the cold water that just begins to discharge is generally cold water, along with the increase of heating time, the temperature slowly increases, so use hot water at ordinary times and need wait for a moment and have hot water, have the problem of waiting for a long time, simultaneously, the cold water of earlier stage is generally all extravagant, not environmental protection. The cold water cavity 111 of the embodiment is mainly used for temporarily storing cold water just discharged by the water heater, so that the waste of the cold water is reduced; the hot water cavity 112 is used for storing hot water, and the hot water cavity 112 can quickly provide the user with early hot water, so that the waiting time of the user is greatly shortened, and the hot water is quickly discharged.
The heat preservation device 100 is further provided with a backflow unit 4, and the backflow unit 4 is provided with a backflow channel 41 which is communicated with the hot water cavity 112 and the heating device inlet 201. Specifically, in this embodiment, the bottle connector 12 having the connector outlet 122 is provided with a return end 124 connected to the return channel 41, and one end of the return channel 41 is mounted at the return end 124, so that it communicates with the hot water chamber 112 through the inner tube 14; the other end of the return channel 41 is communicated with the heating device inlet 201 of the heating device 200 through the first control valve 500. In order to realize the function of hot water backflow in the hot water cavity 112, the backflow end 124 may be provided on the thermos bottle 1 where the hot water cavity 112 is located, or on a pipeline connected to the joint liquid outlet end 122.
Preferably, the present embodiment is provided with a check 18 for preventing convection at the junction of the cold water cavity 111 and the liquid inlet channel 13, the joint liquid inlet end 121 and the joint liquid outlet end 122, and the check 18 is preferably a rubber film, which is an annular membrane and has a certain check effect. However, under the restoring force of piston restoring element 22, check element 18 will fail and will not affect the cold water return.
In order to prevent heat loss at the bottle joint 12, the vacuum flask 1 further comprises a bottle cap 16 arranged outside the bottle joint 12, and a heat preservation material 17 is filled between the bottle cap 16 and the bottle joint 12. Secondly, the bottle connects 12 the outside still to be provided with heating unit 5, heating unit 5 includes temperature detect switch 51 and heater block 52, and when temperature detect switch 51 sensed the liquid temperature in the thermos bottle and was less than the setting value, can drive heater block 52 and heat, ensures that the hot water intracavity has the hot water of predetermineeing the temperature all the time, provides convenience for the next use of user.
In order to prevent heat loss at the bottle joint 12, the vacuum flask 1 further comprises a bottle cap 16 arranged outside the bottle joint 12, and a heat preservation material 17 is filled between the bottle cap 16 and the bottle joint 12. Secondly, the bottle connects 12 the outside still to be provided with heating unit 5, heating unit 5 includes temperature detect switch 51 and heater block 52, and when temperature detect switch 51 sensed the liquid temperature in the thermos bottle and was less than the setting value, can drive heater block 52 and heat, ensures that the hot water intracavity has the hot water of predetermineeing the temperature all the time, provides convenience for the next use of user.
As shown in fig. 2, the cold water line 300 and the return passage 41 are communicated with the heating device inlet 201 of the heating device 200 through a first control valve 500; the hot water pipeline 400 and the liquid inlet channel 13 are communicated with the heating device outlet 202 of the heating device 200 through a second control valve 600. In addition, the liquid outlet channel 15 is communicated with the hot water pipeline 400.
The first control valve 500 and the second control valve 600 are preferably three-way solenoid valves, that is, the first control valve 500 is connected to the cold water pipeline 300, the heating device inlet 201 and the return channel 41 respectively; the second control valve 600 is connected to the outlet 202 of the heating device, the hot water pipeline 400 and the liquid inlet channel 13 respectively.
In the initial state of the hot water heating system, the hot water chamber 112 of the thermal insulation device 100 is filled with hot water, and the cold water chamber has almost no space.
In the first stage, the hot water heating system is turned on, and the first control valve 500 controls the cold water pipeline 300 to be communicated with the inlet 201 of the heating device, so that water inflow is realized; the second control valve 600 controls the conduction of the outlet 202 of the heating device and the liquid inlet channel 13. At first, cold water (water which is not completely heated) in the heating device 200 enters the cold water cavity 111 of the heat preservation device 100, and pushes the piston 21 to move, so that hot water in the hot water cavity 112 directly flows out from the hot water pipeline 400 through the liquid outlet channel 15, thereby realizing quick hot water outlet, and simultaneously temporarily storing the cold water which is originally wasted.
In the second stage, as shown in fig. 3, when the heating device 200 is operated for a short period of time and hot water supply is completely achieved, the second control valve 600 controls the outlet 202 of the heating device to be directly communicated with the hot water pipeline 400, so that hot water is continuously supplied.
In the third stage, the hot water heating system is turned off, as shown in fig. 4, the first control valve 500 controls the communication between the return channel 41 and the inlet 201 of the heating device; the second control valve 600 controls the conduction of the outlet 202 of the heating device and the liquid inlet channel 13. In the piston returning member 22, the cold water temporarily stored in the cold water chamber 111 can reversely enter the inside of the heating apparatus 200, and at the same time, the hot water which is originally heated but is not used in the inside of the heating apparatus 200 reversely flows into the hot water chamber 112 through the return passage 41, and is kept warm. Thereby realizing the surplus recovery of the hot water in the heating device 200, providing the former hot water resource for the next use, and realizing the recovery and the reutilization of energy.
Example two:
this embodiment is substantially the same as the first embodiment, and the difference is that:
as shown in fig. 5 to 8, the partition of the intracavity partition unit 2 is a bladder 25, the cold water chamber 111 is formed in the bladder 25, and the hot water chamber 112 is formed outside the bladder 25.
Specifically, the bag 25 is made of rubber material, the outer diameter of the bag is matched with the inner diameter of the inner cavity of the vacuum flask 1, the bag is telescopically attached to the inner wall of the inner cavity of the vacuum flask 1, the outer end of the bag 25 is fixed at the bottle joint 12 and the mounting port 113 of the vacuum flask, and the inner end of the bag 25 is fixed at the inner end of the inner tube 14 through a fixing piece.
When water enters the cold water cavity 111, the bladder 25 extends, the cold water cavity 111 becomes larger, the hot water cavity 112 becomes smaller, and water exits from the hot water cavity 112; when water enters the hot water cavity 112, the bag 25 contracts, the hot water cavity 112 becomes large, the cold water cavity 111 becomes small, and water exits from the cold water cavity 111.
As shown in fig. 6, in this embodiment, the return channel 41 is connected to a pipeline connected to the outlet channel 15, and the return channel 41 is provided with a return pump 43, and the piston returning member 22 is eliminated.
In this embodiment, the reflux pump 43 is a micro water pump, and when heat is recovered, the micro water pump is started to reversely reflux hot water in the heating device 200 to the hot water cavity of the bottle body 11, and pressurized liquid can drive the bag 25 to contract, which is equivalent to replacing the action of a return spring, so as to realize quick reflux of hot and cold water.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (10)
1. An insulation device for mounting between a heating device inlet (201) and a heating device outlet (202) of a heating device (200); it is characterized by comprising:
the thermos bottle (1) is provided with a liquid inlet channel (13) for connecting an outlet (202) of the heating device, a liquid outlet channel (15) for connecting external equipment and a heat preservation inner cavity for containing liquid;
the inner cavity dividing unit (2) is provided with a dividing piece movably arranged in the heat-preservation inner cavity, the dividing piece divides the heat-preservation inner cavity into a cold water cavity (111) and a hot water cavity (112), the liquid inlet channel (13) is communicated with the cold water cavity (111), and the hot water cavity (112) is communicated with the liquid outlet channel (15); and
a backflow unit (4) having a backflow passage (41) communicating the hot water chamber (112) with the heating device inlet (201).
2. The insulating device according to claim 1, characterized in that: the vacuum flask (1) comprises:
the bottle body (11) is provided with the heat-preservation inner cavity and an installation opening (113) communicated with the cold water cavity (111);
a bottle connector (12) having a connector inlet end (121) for connecting to the outlet (202) of the heating device, a connector outlet end (122) for connecting to an external device, and a connector mounting end (123) for connecting to the mounting port (113); and
and one end of the inner pipe (14) is arranged on the bottle joint (12) and communicated with the liquid outlet channel (15) where the liquid outlet end (122) of the joint is positioned, and the other end of the inner pipe penetrates through the dividing piece and extends into the hot water cavity (112).
3. An insulation device according to claim 2, characterized in that: the partition is a piston (21) or a bladder (25).
4. An insulation device according to claim 3, characterized in that: the inner cavity segmentation unit (2) is also provided with a piston resetting piece (22) for resetting the piston (21), or/and a backflow pump (43) is arranged on the backflow channel (41).
5. The insulating device according to claim 2, characterized in that: connect installation end (123) to have outer installation department (1231) and interior installation department (1232), clearance intercommunication between outer installation department (1231) and interior installation department (1232) connect inlet end (121), and be formed with inlet channel (13).
6. An insulation device according to claim 2, characterized in that: and a backflow end (124) connected with the backflow channel (41) is arranged on the thermos bottle (1) where the hot water cavity (112) is positioned, or on the bottle joint (12) where the joint liquid outlet end (122) is positioned, or on a pipeline connected with the joint liquid outlet end (122).
7. An insulation device according to claim 2, characterized in that: the thermos bottle (1) further comprises a bottle cap (16) arranged on the outer side of the bottle joint (12), and a heat preservation material (17) is filled between the bottle cap (16) and the bottle joint (12).
8. An insulation device according to claim 2 or 7, characterized in that: the bottle joint (12) outside still is provided with heating unit (5), heating unit (5) include temperature detect switch (51) and heating member (52).
9. An energy recovery hot water heating system, comprising:
a heating device (200) having a heating device inlet (201) and a heating device outlet (202);
a cold water line (300) communicating with a heating device inlet (201) of the heating device (200) through a first control valve (500);
a hot water line (400) communicating with the heating device outlet (202) of the heating device (200) through a second control valve (600); and
an insulation device (100) according to any one of claims 1 to 8; wherein the liquid inlet channel (13) is communicated with the outlet (202) of the heating device through the second control valve (600), and the liquid outlet channel (15) is communicated with the hot water pipeline (400); the return channel (41) is communicated with a heating device inlet (201) of the heating device (200) through the first control valve (500).
10. An energy recovery hot water heating system according to claim 9, characterized in that: the first control valve (500) and the second control valve (600) are both three-way electromagnetic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220148495.2U CN216790527U (en) | 2022-01-19 | 2022-01-19 | Energy recovery type hot water heating system and heat preservation device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220148495.2U CN216790527U (en) | 2022-01-19 | 2022-01-19 | Energy recovery type hot water heating system and heat preservation device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216790527U true CN216790527U (en) | 2022-06-21 |
Family
ID=82014095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220148495.2U Active CN216790527U (en) | 2022-01-19 | 2022-01-19 | Energy recovery type hot water heating system and heat preservation device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216790527U (en) |
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2022
- 2022-01-19 CN CN202220148495.2U patent/CN216790527U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20241015 Address after: 318000 Xiaqiu Village, Qinggang Town, Taizhou City, Zhejiang Province Patentee after: Zhejiang Keto Fluid Technology Co.,Ltd. Country or region after: China Address before: 317600 bingang industrial city, Sanhua Town, Yuhuan City, Taizhou City, Zhejiang Province Patentee before: Zhejiang Guanyi Pipe Industry Co.,Ltd. Country or region before: China |