CN216744924U - Domestic hot water system with double-electric auxiliary heating wastewater three-stage heat exchange - Google Patents
Domestic hot water system with double-electric auxiliary heating wastewater three-stage heat exchange Download PDFInfo
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- CN216744924U CN216744924U CN202123318478.3U CN202123318478U CN216744924U CN 216744924 U CN216744924 U CN 216744924U CN 202123318478 U CN202123318478 U CN 202123318478U CN 216744924 U CN216744924 U CN 216744924U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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Abstract
The utility model discloses a domestic hot water system with double-electric auxiliary heat and three-stage waste water heat exchange, which comprises a bathing wastewater pool, a hot water storage tank, a heat exchanger, an evaporator A and a condenser A of a heat pump A, an evaporator B and a condenser B of a heat pump B and a clear water pipe A communicated with a tap water pipe; the clear water pipe A is communicated with a clear water inlet end A of the heat exchanger, a clear water outlet end A of the heat exchanger is communicated with a clear water inlet end B of the condenser B through a clear water pipe B, a clear water outlet end B of the condenser B is communicated with a clear water inlet end C of the condenser A through a clear water pipe C, the clear water outlet end C of the condenser A is communicated with a hot water storage tank through a clear water pipe D, and the clear water pipe D is further communicated with an electric heater A. According to the structure, the domestic hot water system with the double-electric auxiliary heat for three-stage heat exchange of the wastewater can heat the clean water again when the temperature of the clean water subjected to three-stage heat exchange is lower than the set temperature, so that the water temperature in the hot water storage tank meets the requirement.
Description
Technical Field
The utility model relates to the technical field of pipeline hot water conveying systems, in particular to a domestic hot water system with double-electric auxiliary heating wastewater three-stage heat exchange.
Background
The applicant submits a patent with application number 201910362566.1 in the prior application, skillfully combines and utilizes a bathing wastewater source and a ground source, and obtains bathing hot water by heating the bathing wastewater in a ratio of 1:1, thereby having good heating effect and lower energy consumption. However, in the actual use process, the normal operation can be realized in four seasons of spring, summer and autumn, but the use effect is relatively poor in winter. The research shows that the temperature rise required by heating the clear water to the hot water is higher than that of the rest three seasons because the temperature of the tap water in winter is lower than that of the rest three seasons, and the temperature required by the bath hot water is slightly higher than that of the rest three seasons, so that the temperature of the final outlet water cannot meet the bath requirement. In addition, the bathing wastewater contains impurities, scales are formed on the inner wall of the pipeline after long-time use, and the wastewater pipe needs to be cleaned regularly, but when the current system cleans the wastewater pipe, the wastewater in a wastewater tank or a wastewater tank can only be pumped away, and then clean water or cleaning liquid is changed into the wastewater pipe for cleaning, and because the wastewater pipe has a certain length and the dirt in the wastewater pipe is more, a large amount of water needs to be used when the mode is used, so that the waste of water resources is caused; or the waste water pipe is directly separated from the two ends and then cleaned, so that the operation is complex, and a large amount of water is still used on the whole although the water consumption can be saved compared with the cleaning mode.
Disclosure of Invention
The utility model aims to: the domestic hot water system heats the clean water again when the temperature of the clean water subjected to the three-stage heat exchange in winter is lower than a set temperature under the action of the electric heater A, so that the water temperature in the hot water storage tank meets the set requirement; through the action of the water pump B and the electric heater B arranged on the clear water circulating pipe, the hot water in the hot water storage tank can be heated and insulated circularly, and when the temperature of the clear water still cannot reach the set temperature after being heated by the electric heater A in time, the clear water can be continuously heated circularly by the electric heater B; the cleaning liquid added through the cleaning liquid adding opening cleans the pipeline through which the wastewater flows under the action of the cleaning pipe A, the cleaning pipe B, the cleaning pipe C and the cleaning pipe D, and the blockage of the wastewater pipe caused by scaling in each wastewater pipe after long-time use is avoided.
The technical scheme adopted by the utility model is as follows:
the three-stage waste water heat exchange domestic hot water system with double electric auxiliary heating comprises a bathing wastewater pool, a hot water storage tank, a heat exchanger, an evaporator A and a condenser A of a heat pump A, an evaporator B and a condenser B of a heat pump B and a clear water pipe A communicated with a tap water pipe.
The bath wastewater pool is communicated with a wastewater inlet end A of a heat exchanger through a wastewater pipe A, a wastewater outlet end A of the heat exchanger is communicated with a wastewater inlet end B of an evaporator A through a wastewater pipe B, a wastewater outlet end B of the evaporator A is communicated with a wastewater inlet end C of the evaporator B through a wastewater pipe C, a wastewater outlet end C of the evaporator B is communicated with a wastewater discharge pipe through a wastewater pipe D, and a water pump A is communicated with the wastewater pipe A.
According to a further improved scheme of the utility model, the clean water pipe A is communicated with a clean water inlet end A of a heat exchanger, the clean water outlet end A of the heat exchanger is communicated with a clean water inlet end B of a condenser B through a clean water pipe B, the clean water outlet end B of the condenser B is communicated with a clean water inlet end C of the condenser A through a clean water pipe C, the clean water outlet end C of the condenser A is communicated with a hot water storage tank through a clean water pipe D, and the clean water pipe D is also communicated with an electric heater A.
The utility model further improves the scheme that the lower part of the hot water storage tank is communicated with the upper part of the hot water storage tank through a clear water circulating pipe, and a water pump B and an electric heater B are communicated on the clear water circulating pipe.
According to a further improved scheme of the utility model, the device further comprises a cleaning pipe A, one end of the cleaning pipe A is respectively communicated with the wastewater pipe A through a cleaning pipe B and a cleaning pipe C which are connected in parallel, and a cleaning pipe D is also communicated in parallel between the wastewater pipe A and the wastewater orphan D.
According to a further improved scheme of the utility model, the cleaning pipe B is communicated with a waste water pipe A between the bathing waste water pool and the water pump A.
According to a further improved scheme of the utility model, the cleaning pipe C is communicated with a waste water pipe A between the water pump A and the heat exchanger.
According to a further improved scheme of the utility model, the cleaning pipe D is communicated with a waste water pipe A between the connection part of the water pump A and the cleaning pipe C.
According to a further improved scheme of the utility model, a valve A is arranged on the waste water pipe A and is positioned between the cleaning pipe B and the bathing waste water tank, a valve B is arranged between the connection position of the cleaning pipe D and the connection position of the cleaning pipe C, a valve C is arranged on the waste water pipe D and is positioned between the connection position of the cleaning pipe D and the waste water discharge pipe, the cleaning pipe A is provided with the valve D, the cleaning pipe C is provided with the valve E, and the cleaning pipe D is provided with the valve F.
According to a further improved scheme of the utility model, the other end of the cleaning pipe A, which is far away from the cleaning pipe B and the cleaning pipe C, is communicated with a cleaning liquid adding opening.
According to a further improved scheme of the utility model, the waste water pipe D is also respectively communicated with an electric regulating valve A, a flowmeter A and a thermometer A.
According to a further improved scheme of the utility model, an electric regulating valve B is communicated with the clear water pipe A.
According to a further improved scheme of the utility model, the clean water pipe D is also respectively communicated with an electric regulating valve C, a flowmeter B and a thermometer B.
In a further improvement of the present invention, the electric heater a is an instantaneous heater.
The utility model has the beneficial effects that:
firstly, the domestic hot water system with double-electric auxiliary heat for three-stage heat exchange of wastewater disclosed by the utility model has the advantages that under the condition of low temperature in winter, the domestic hot water system heats the clean water again when the temperature of the clean water subjected to three-stage heat exchange does not reach the set temperature through the action of the electric heater A, so that the water temperature in the hot water storage tank meets the set requirement.
Secondly, the domestic hot water system with the double-electric auxiliary heating wastewater three-stage heat exchange function can not only circularly heat and preserve heat of hot water in the hot water storage tank under the action of the water pump B and the electric heater B arranged on the clean water circulating pipe, but also can continuously circularly heat clean water through the electric heater B when the temperature of the clean water still cannot reach the set temperature after being heated by the electric heater A in time.
Thirdly, according to the domestic hot water system with double-electric auxiliary heating wastewater three-stage heat exchange, the cleaning liquid added through the cleaning liquid adding opening cleans the pipeline through which the wastewater flows under the action of the cleaning pipe A, the cleaning pipe B, the cleaning pipe C and the cleaning pipe D, and the blockage of the wastewater pipe caused by scaling in each wastewater pipe after long-time use is avoided.
Drawings
FIG. 1 is a schematic diagram of the piping of the present invention.
Detailed Description
As can be seen from figure 1, the three-stage wastewater heat exchange domestic hot water system with double electric auxiliary heat comprises a bathing wastewater pool 1, a hot water storage tank 2, a heat exchanger 3, an evaporator A4 and a condenser A5 of a heat pump A, an evaporator B6 and a condenser B7 of a heat pump B, and a clean water pipe A9 communicated with a tap water pipe.
The bathing wastewater pool 1 is communicated with a wastewater inlet end A of a heat exchanger 3 through a wastewater pipe A8, a wastewater outlet end A of the heat exchanger 3 is communicated with a wastewater inlet end B of an evaporator A4 through a wastewater pipe B10, a wastewater outlet end B of an evaporator A4 is communicated with a wastewater inlet end C of an evaporator B6 through a wastewater pipe C12, a wastewater outlet end C of the evaporator B6 is communicated with a wastewater discharge pipe through a wastewater pipe D14, and a water pump A17 is communicated with the wastewater pipe A8.
Clear water pipe A9 and heat exchanger 3's clear water end A intercommunication of intaking, the clear water of heat exchanger 3 goes out water end A and passes through clear water pipe B11 and condenser B7's clear water end B intercommunication of intaking, condenser B7's clear water end B passes through clear water pipe C13 and condenser A5's clear water end C intercommunication of intaking, condenser A5's clear water end C of intaking passes through clear water pipe D15 and hot water storage water tank 2 intercommunication, it is equipped with electric heater A16 still to communicate on clear water pipe D15.
The lower part of the hot water storage tank 2 is also communicated with the upper part of the hot water storage tank 2 through a clear water circulating pipe 18, and a water pump B20 and an electric heater B19 are communicated on the clear water circulating pipe 18.
The cleaning device further comprises a cleaning pipe A32, one end of the cleaning pipe A32 is communicated with a waste water pipe A8 through a cleaning pipe B33 and a cleaning pipe C34 which are connected in parallel, and a cleaning pipe D35 is further communicated between the waste water pipe A8 and the waste water solitary D14 in parallel.
The cleaning pipe B33 is communicated with a waste water pipe A8 between the bathing waste water tank 1 and the water pump A17.
The cleaning pipe C34 is communicated with a waste water pipe A8 between a water pump A17 and the heat exchanger 3.
The cleaning pipe D35 is communicated with a waste water pipe A8 between the connection part of the water pump A17 and the cleaning pipe C34.
Be equipped with valve A21 on waste pipe A8 between scavenge pipe B33 and bathing wastewater disposal basin 1, be located and be equipped with valve B22 between scavenge pipe D35 junction and scavenge pipe C34 junction, be equipped with valve C23 on waste pipe D14 between scavenge pipe D35 junction and the waste water discharge pipe, be equipped with valve D36 on scavenge pipe A32, be equipped with valve E37 on scavenge pipe C34, be equipped with valve F38 on scavenge pipe D35.
The other end of the cleaning pipe A32, which is far away from the cleaning pipe B33 and the cleaning pipe C34, is communicated with a cleaning liquid charging port 31.
The waste water pipe D14 is also respectively communicated with an electric regulating valve A24, a flow meter A25 and a thermometer A26.
An electric regulating valve B27 is communicated with the clean water pipe A9.
The clean water pipe D15 is also respectively communicated with an electric regulating valve C28, a flowmeter B29 and a thermometer B30.
The electric heater A16 is an instantaneous heater.
When the water-saving bathing wastewater tank is normally used, the valve A21, the valve B22 and the valve C23 are opened, the electric control valve A24, the electric control valve B27 and the electric control valve C28 are adjusted, the valve D36, the valve E37 and the valve F38 are closed, and then the water pump A17 is started, so that the wastewater in the bathing wastewater tank 1 is subjected to primary heat exchange with clean water in a clean water pipe A9 through the heat exchanger 3; then the wastewater after the first-stage heat exchange enters an evaporator A4 of the heat pump A through a wastewater pipe B10 for second-stage heat exchange, then the wastewater after the second-stage heat exchange enters an evaporator B6 of the heat pump B through a wastewater pipe C12 for third-stage heat exchange, and finally the wastewater after the third-stage heat exchange is communicated with a wastewater discharge pipe through a wastewater pipe D14 and is discharged; clear water after the first-stage heat exchange enters a condenser B7 of the heat pump B through a clear water pipe B11 to perform second-stage heat exchange, then clear water after the second-stage heat exchange enters a condenser A5 of the heat pump A through a clear water pipe C13 to perform third-stage heat exchange, and finally clear water after the third-stage heat exchange enters a hot water storage tank 2 through a clear water pipe D15.
When the temperature is lower in winter and the temperature of the clean water after the three-stage heat exchange is still lower than the set temperature, the electric heater A16 is started, so that the clean water after the three-stage heat exchange is directly heated when passing through the electric heater A16.
When the temperature is lower in winter and the temperature of the fresh water heated by the three-stage heat exchange and the electric heater A16 is still lower than the set temperature, the relevant valve on the fresh water circulating pipe 18 where the water pump B20 is located is opened, and the water pump B20 and the electric heater B19 are both started, so that the fresh water in the hot water storage tank 2 is circularly heated.
In order to ensure that the temperature of the fresh water in the hot water storage tank 2 is kept at the set temperature, the relevant valve on the fresh water circulating pipe 18 where the water pump B20 is located is opened, and the water pump B20 and the electric heater B19 are both started, so that the fresh water in the hot water storage tank 2 is circularly heated.
When the cleaning is needed, the valve A21, the valve B22, the valve C23, the electric control valve A24, the electric control valve B27 and the electric control valve C28 are closed, the valve D36, the valve E37 and the valve F38 are opened, and cleaning liquid is added through the cleaning liquid adding opening 31, so that the cleaning liquid is filled in the cleaning pipe A32, the cleaning pipe B33, the cleaning pipe C34, the cleaning pipe D35, the position between the valve A21 of the waste water pipe A8 and the heat exchanger 3, and the position between the connecting position of the waste water pipe B10, the waste water pipe C12 and the cleaning pipe D35 of the waste water pipe D14 and the evaporator B6. Then starting a water pump A17, wherein cleaning liquid pumped out from the water pump A17 enters a cleaning pipe D35 along a waste water pipe A8, sequentially enters a waste water pipe D14, an evaporator B6, a waste water pipe C12, an evaporator A4, a waste water pipe B10, a heat exchanger 3, a waste water pipe A8, a cleaning pipe C34, a cleaning pipe B33 and a waste water pipe A8 along a cleaning pipe D35, finally enters a water pump A17 again to form circulation, and the pipelines are cleaned repeatedly; after the cleaning is finished, the cleaning agent can be directly used again according to the normal use state of the application: the method comprises the steps of opening a valve A21, a valve B22 and a valve C23, adjusting an electric control valve A24, an electric control valve B27 and an electric control valve C28, closing a valve D36, a valve E37 and a valve F38, and then starting a water pump A17 for normal use.
Claims (8)
1. Take two electricity to assist three-level heat transfer of hot waste water system life hot water system, its characterized in that: comprises a bathing wastewater pool (1), a hot water storage tank (2), a heat exchanger (3), an evaporator A (4) and a condenser A (5) of a heat pump A, an evaporator B (6) and a condenser B (7) of a heat pump B, and a clear water pipe A (9) communicated with a tap water pipe;
the bath wastewater pool (1) is communicated with a wastewater inlet end A of a heat exchanger (3) through a wastewater pipe A (8), a wastewater outlet end A of the heat exchanger (3) is communicated with a wastewater inlet end B of an evaporator A (4) through a wastewater pipe B (10), a wastewater outlet end B of the evaporator A (4) is communicated with a wastewater inlet end C of an evaporator B (6) through a wastewater pipe C (12), a wastewater outlet end C of the evaporator B (6) is communicated with a wastewater discharge pipe through a wastewater pipe D (14), and a water pump A (17) is communicated with the wastewater pipe A (8);
clear water pipe A (9) and the clear water of heat exchanger (3) intake end A intercommunication clear water that the clear water of heat exchanger (3) goes out water end A and passes through clear water pipe B (11) and the clear water of condenser B (7) intake end B intercommunication, the clear water of condenser B (7) goes out water end B and passes through clear water pipe C (13) and the clear water of condenser A (5) and intake end C intercommunication, the clear water of condenser A (5) goes out water end C and passes through clear water pipe D (15) and hot water storage water tank (2) intercommunication, it is equipped with electric heater A (16) still to communicate on clear water pipe D (15).
2. The domestic hot water system is made in waste water tertiary heat transfer of taking two electric auxiliary heats of claim 1, characterized in that: the lower part of the hot water storage tank (2) is also communicated with the upper part of the hot water storage tank (2) through a clear water circulating pipe (18), and a water pump B (20) and an electric heater B (19) are communicated and arranged on the clear water circulating pipe (18).
3. The domestic hot water system is made in waste water tertiary heat transfer of taking two electric auxiliary heats of claim 1, characterized in that: the cleaning device is characterized by further comprising a cleaning pipe A (32), one end of the cleaning pipe A (32) is communicated with the waste water pipe A (8) through a cleaning pipe B (33) and a cleaning pipe C (34) which are connected in parallel, and a cleaning pipe D (35) is further communicated in parallel between the waste water pipe A (8) and the waste water pipe D (14);
the cleaning pipe B (33) is communicated with a waste water pipe A (8) between the bathing waste water tank (1) and the water pump A (17);
the cleaning pipe C (34) is communicated with a waste water pipe A (8) between the water pump A (17) and the heat exchanger (3);
the cleaning pipe D (35) is communicated with a waste water pipe A (8) between the connection part of the water pump A (17) and the cleaning pipe C (34);
be equipped with valve A (21) on waste pipe A (8) between wash pipe B (33) and bathing wastewater disposal basin (1), be located and be equipped with valve B (22) between wash pipe D (35) junction and wash pipe C (34) junction, be equipped with valve C (23) on waste pipe D (14) between wash pipe D (35) junction and the waste water discharge pipe, be equipped with valve D (36) on wash pipe A (32), be equipped with valve E (37) on wash pipe C (34), be equipped with valve F (38) on wash pipe D (35).
4. The domestic hot water system is made in tertiary heat transfer of waste water of taking two electric auxiliary heats of claim 3, characterized by: and the other end of the cleaning pipe A (32), which is far away from the cleaning pipe B (33) and the cleaning pipe C (34), is communicated with a cleaning liquid charging opening (31).
5. The domestic hot water system is made in waste water tertiary heat transfer of taking two electric auxiliary heats of claim 1, characterized in that: and the waste water pipe D (14) is also respectively communicated with an electric regulating valve A (24), a flowmeter A (25) and a thermometer A (26).
6. The domestic hot water system is made in waste water tertiary heat transfer of taking two electric auxiliary heats of claim 1, characterized in that: an electric regulating valve B (27) is communicated with the clear water pipe A (9).
7. The domestic hot water system is made in waste water tertiary heat transfer of taking two electric auxiliary heats of claim 1, characterized in that: and the clear water pipe D (15) is also respectively communicated with an electric regulating valve C (28), a flowmeter B (29) and a thermometer B (30).
8. The domestic hot water system is made in waste water tertiary heat transfer of taking two electric auxiliary heats of claim 1, characterized in that: the electric heater A (16) is an instantaneous heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123318478.3U CN216744924U (en) | 2021-12-28 | 2021-12-28 | Domestic hot water system with double-electric auxiliary heating wastewater three-stage heat exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123318478.3U CN216744924U (en) | 2021-12-28 | 2021-12-28 | Domestic hot water system with double-electric auxiliary heating wastewater three-stage heat exchange |
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| Publication Number | Publication Date |
|---|---|
| CN216744924U true CN216744924U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123318478.3U Active CN216744924U (en) | 2021-12-28 | 2021-12-28 | Domestic hot water system with double-electric auxiliary heating wastewater three-stage heat exchange |
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| Country | Link |
|---|---|
| CN (1) | CN216744924U (en) |
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2021
- 2021-12-28 CN CN202123318478.3U patent/CN216744924U/en active Active
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