CN218544837U - Bathing sewage source heat recovery system - Google Patents
Bathing sewage source heat recovery system Download PDFInfo
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- CN218544837U CN218544837U CN202222611279.XU CN202222611279U CN218544837U CN 218544837 U CN218544837 U CN 218544837U CN 202222611279 U CN202222611279 U CN 202222611279U CN 218544837 U CN218544837 U CN 218544837U
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- sewage
- heat exchanger
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The utility model discloses a bathing sewage source heat recovery system, which comprises a sewage pool, a sewage treatment pool, a first heat exchanger, a hot water tank, a second heat exchanger and a sewage source heat recovery unit; a delivery pump is arranged in the sewage tank and is communicated with the sewage treatment tank, a filter screen is arranged in the sewage treatment tank and is communicated with the first heat exchanger, and the other end of the first heat exchanger is communicated with the hot water tank after a purified water source is connected; one end of the second heat exchanger is communicated with the first heat exchanger, the other end of the second heat exchanger is communicated with the sewage source heat recovery unit, and the other end of the sewage source heat recovery unit is communicated with the hot water tank. The utility model firstly carries out filtration treatment on the bathing sewage through the sewage treatment tank, thereby avoiding the bathing sewage from being directly communicated with the first heat exchanger and the second heat exchanger and influencing the service life of the heat exchangers; meanwhile, the first heat exchanger and the second heat exchanger are used for recovering heat in the bath sewage for two times, so that the recovery efficiency of the heat in the bath sewage is improved.
Description
Technical Field
The utility model relates to a sewage recovery technical field specifically indicates a bathing sewage source heat recovery system.
Background
The existing bathing sewage is generally discharged into a municipal drainage pipe network, mixed with other sewage and finally discharged into rivers after being treated by a sewage treatment plant. The temperature of the bath sewage formed by heating and bathing the bath water is usually between 29 and 35 ℃, the temperature is relatively high, and the bath sewage is directly discharged into a municipal sewage pipe to cause waste of a large amount of heat energy.
In order to solve the problem of heat waste of the bathing sewage, the application number is as follows: 201520785399.9 discloses a bathing sewage heat recovery system, includes: the system comprises a first bathing sewage tank, a heat exchanger, a tap water tank, a warm water tank, a hot water tank, a source heat pump unit and a second bathing sewage tank, wherein the heat exchanger and the source heat pump are used for recovering heat in the bathing sewage, and the heat recovered in the bathing sewage is used for heating bathing water, so that the effect of secondary utilization is achieved.
According to the technical scheme, the bathing sewage is directly communicated with the heat exchanger and the source heat pump unit, so that the heat exchanger and the source heat pump unit are easily damaged, and the service lives of the heat exchanger and the source heat pump unit are shortened; meanwhile, heat in the bathing sewage is recovered and then directly discharged into a municipal pipe network, and the bathing sewage is not treated.
Therefore, in order to solve the technical problems described above, a heat recovery system for bathing sewage source with higher recovery efficiency and longer service life is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome the defect of above-mentioned technique, provide a bathing sewage source heat recovery system, the purpose filters the heat recovery of recycling first heat exchanger in with bathing sewage through the filter screen and forms hot water, and the second heat exchanger is further with the heat recovery in the bathing sewage and through sewage source heat recovery unit with hot water heating to 50 ~ 55 ℃ simultaneously to reach higher recovery efficiency's technological effect, avoided the waste of heat energy in the bathing sewage.
In order to solve the technical problem, the utility model provides a technical scheme does: a bathing sewage source heat recovery system comprises a sewage pool, a sewage treatment pool, a first heat exchanger, a hot water tank, a second heat exchanger and a sewage source heat recovery unit;
a delivery pump is arranged in the sewage tank and is communicated with the sewage treatment tank, a filter screen is arranged in the sewage treatment tank and is communicated with the first heat exchanger, the other end of the first heat exchanger is communicated with the hot water tank after a purified water source is connected, and the first heat exchanger is used for heating purified water by heat in bathing sewage and sending the heated purified water to the hot water tank;
one end of the second heat exchanger is communicated with the first heat exchanger, the other end of the second heat exchanger is communicated with the sewage source heat recovery unit, the other end of the sewage source heat recovery unit is communicated with the hot water tank, and the second heat exchanger is used for recovering residual heat in bathing sewage again and further heating hot water through the sewage source heat recovery unit.
Compared with the prior art, the utility model the advantage lie in: the utility model firstly carries out filtration treatment on the bathing sewage through the sewage treatment tank, thereby avoiding the bathing sewage from being directly communicated with the first heat exchanger and the second heat exchanger and influencing the service life of the heat exchangers; meanwhile, the first heat exchanger and the second heat exchanger are used for recovering heat in the bathing sewage twice, so that the recovery efficiency of the heat in the bathing sewage is improved. The utility model has the advantages of reasonable design, improved bathing sewage heat recovery's efficiency effectively, the exhaust sewage temperature of second heat exchanger is lower, can be used to refrigerate, and the usage is various.
Drawings
Fig. 1 is a working principle diagram of the bathing sewage source heat recovery system of the utility model.
As shown in the figure: 1. the system comprises a sewage pool, 1-1 parts of a conveying pump, 2 parts of a sewage treatment pool, 3 parts of a first heat exchanger, 4 parts of a hot water tank, 5 parts of a second heat exchanger, 6 parts of a sewage source heat recovery unit, 7 parts of a filter screen, 8 parts of an evaporator, 9 parts of a compressor, 10 parts of a condenser, 11 parts of an expansion valve (arrows in the figure indicate the direction of water flow).
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "set", "mounted", "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The embodiment is as follows:
with reference to the attached drawing 1, the bathing sewage source heat recovery system comprises a sewage pool 1, a sewage treatment pool 2, a first heat exchanger 3, a hot water tank 4, a second heat exchanger 5 and a sewage source heat recovery unit 6.
A delivery pump 1-1 is arranged in the sewage tank 1 and is communicated with the sewage treatment tank 2, a filter screen 7 is arranged in the sewage treatment tank 2 and is communicated with the first heat exchanger 3, the other end of the first heat exchanger 3 is communicated with the hot water tank 4 after being connected with a purified water source, and the first heat exchanger 3 is used for heating purified water by heat in bathing sewage and sending the heated water to the hot water tank 4; the sewage tank 1 is used for collecting the waste water after bathing, the filter screens 7 are used for filtering dirt in the bathing sewage, and the sewage treatment tank 2 is used for filtering the dirt in the bathing sewage and then discharging the filtered dirt.
One end of the second heat exchanger 5 is communicated with the first heat exchanger 3, the other end of the second heat exchanger is communicated with the sewage source heat recovery unit 6, the other end of the sewage source heat recovery unit 6 is communicated with the hot water tank 4, and the second heat exchanger 5 is used for recovering residual heat in bathing sewage again and further heating hot water through the sewage source heat recovery unit 6.
The utility model discloses the embodiment of preferred is, sewage source heat recovery unit 6 is including formation closed loop's evaporimeter 8, compressor 9, condenser 10, expansion valve 11, evaporimeter 8 with second heat exchanger 5 intercommunication, condenser 10 with hot-water tank 4 intercommunication, evaporimeter 8 one end with expansion valve 11 intercommunication, the other end with compressor 9 intercommunication, the compressor 9 other end with condenser 10 intercommunication, the condenser 10 other end with expansion valve 11 intercommunication.
The utility model discloses when specifically implementing, sewage treatment pond 2 is got into to sewage behind the bathing sewage collection in sewage pond 1 under the drive of delivery pump 1-1, forms comparatively clean having certain thermal water (the temperature of water is about 29 ~ 35 ℃) after filtering dirt through filter screen 7, and wherein filters the dirt waste water that produces and is discharged by sewage treatment pond 2. The filtered water enters a first heat exchanger 3, the first heat exchanger 3 recovers heat in the filtered water, purified water (the temperature of the water is about 12 ℃) sent by a purified water source is heated by the recovered heat and sent to a hot water tank 4, and the temperature of the heated water is about 28-33 ℃. The bath water (the temperature of the water is about 14 ℃) after the heat is recovered by the first heat exchanger 3 enters the second heat exchanger 5, the second heat exchanger 5 recovers the heat of the bath water for the second time, the heat is transferred to the sewage source heat recovery unit 6, and the hot water (the temperature of the water is 28-33 ℃) in the hot water tank 4 is heated to 50-55 ℃ for the second time by the sewage source heat recovery unit 6.
After the heat of the bath water is recovered by the second heat exchanger 5, the water temperature is about 0 ℃, and the bath water can be used for refrigeration or directly discharged to a municipal pipe network.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, it should be understood that those skilled in the art should also understand the scope of the present invention without inventively designing the similar structure and embodiments of the present invention without departing from the spirit of the present invention.
Claims (4)
1. A bathing sewage source heat recovery system is characterized by comprising a sewage pool (1), a sewage treatment pool (2), a first heat exchanger (3), a hot water tank (4), a second heat exchanger (5) and a sewage source heat recovery unit (6);
a delivery pump (1-1) is arranged in the sewage tank (1) and is communicated with the sewage treatment tank (2), a filter screen (7) is arranged in the sewage treatment tank (2) and is communicated with the first heat exchanger (3), the other end of the first heat exchanger (3) is communicated with the hot water tank (4) after being connected with a purified water source, and the first heat exchanger (3) is used for heating purified water by heat in bathing sewage and sending the heated water to the hot water tank (4);
one end of the second heat exchanger (5) is communicated with the first heat exchanger (3), the other end of the second heat exchanger is communicated with the sewage source heat recovery unit (6), the other end of the sewage source heat recovery unit (6) is communicated with the hot water tank (4), and the second heat exchanger (5) is used for recovering residual heat in the bathing sewage again and further heating the hot water through the sewage source heat recovery unit (6).
2. The bathing sewage source heat recovery system according to claim 1, wherein the sewage tank (1) is used for collecting the waste water after bathing, the filter screens (7) are multiple channels and used for filtering dirt in the bathing sewage, and the sewage treatment tank (2) is used for filtering the dirt in the bathing sewage and then discharging the filtered dirt.
3. A bathing sewage source heat recovery system according to claim 1, wherein the sewage source heat recovery unit (6) comprises an evaporator (8), a compressor (9), a condenser (10), and an expansion valve (11) forming a closed loop, the evaporator (8) is in communication with the second heat exchanger (5), and the condenser (10) is in communication with the hot water tank (4).
4. A bathing sewage source heat recovery system according to claim 3, wherein said evaporator (8) has one end in communication with said expansion valve (11) and the other end in communication with said compressor (9), said compressor (9) has the other end in communication with said condenser (10), and said condenser (10) has the other end in communication with said expansion valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222611279.XU CN218544837U (en) | 2022-09-30 | 2022-09-30 | Bathing sewage source heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222611279.XU CN218544837U (en) | 2022-09-30 | 2022-09-30 | Bathing sewage source heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218544837U true CN218544837U (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222611279.XU Active CN218544837U (en) | 2022-09-30 | 2022-09-30 | Bathing sewage source heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218544837U (en) |
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2022
- 2022-09-30 CN CN202222611279.XU patent/CN218544837U/en active Active
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