CN103542530B - A kind of with flow rate detection and temperature detection can backpulsing heat-exchange system - Google Patents
A kind of with flow rate detection and temperature detection can backpulsing heat-exchange system Download PDFInfo
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- CN103542530B CN103542530B CN201310522582.5A CN201310522582A CN103542530B CN 103542530 B CN103542530 B CN 103542530B CN 201310522582 A CN201310522582 A CN 201310522582A CN 103542530 B CN103542530 B CN 103542530B
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Abstract
The invention discloses a kind of with flow rate detection and temperature detection can backpulsing heat-exchange system, described system comprises cold water inlet (5), hot water outlet pipe (6), wastewater inlet pipe (7), waste water outlet pipe (8), shower nozzle (25), upper heat exchange tank (1) and lower heat exchange tank (2), is respectively equipped with heat-exchange device (3) and lower heat-exchange device (4) in described upper heat exchange tank (1) and described lower heat exchange tank (2); Described hot water outlet pipe (6) is also provided with a heater (13), be provided with a detector (15) in described lower heat exchange tank (2), described detector (15) is for detecting water flow velocity; Described detector (15) is connected with a controller (14); Described controller (14) comprises the comparison module be connected with setting module, detector (15) and temperature sensor (27) respectively, the invention solves spot easily in the technical problem that heat-exchange device accumulated inside can not clean automatically.
Description
Technical field
The present invention relates to technical field of heat exchange device, particularly relate to a kind of with flow rate detection and temperature detection can backpulsing heat-exchange system.
Background technology
Along with popularizing of water heater, people are while enjoying the happy of shower and health, and the waste of water resource is also day by day serious.The water of heating is directly discharged after shower, due to the water resource comprising a part of heat in the water of shower and can be recycled, therefore, is directly discharged by the water after shower and not only wastes a large amount of water, but also waste the heat in hot water.A kind of device for recycling heat of bath water is there is in prior art; it effectively can collect the waste heat of shower water; but because the heat-exchange device in this water heater needs frequent heat exchange; spot in waste water is easily at accumulated inside; if can not clear up in time; light then heat-exchange device can be caused to block cannot use, heavy then can heat-exchange device be damaged.
Summary of the invention
The present invention in order to solve in prior art spot in existing waste water easily in the technical problem that heat-exchange device accumulated inside can not clean automatically, and provides a kind of water heater heat exchange system with decontamination function.
The technical scheme that the present invention is adopted for achieving the above object is: a kind of with flow rate detection and temperature detection can backpulsing heat-exchange system, described system comprises cold water inlet, hot water outlet pipe, wastewater inlet pipe, waste water outlet pipe, shower nozzle, upper heat exchange tank and lower heat exchange tank, heat-exchange device and lower heat-exchange device is respectively equipped with in described upper heat exchange tank and described lower heat exchange tank, cold water pipe and wastewater trough is provided with in described upper heat-exchange device and lower heat-exchange device, described wastewater trough is centered around the periphery of described cold water pipe, thus can exchange heat be carried out between water in described wastewater trough and the water of described cold water pipe, described cold water inlet is connected with described shower nozzle by one the 3rd switch, the cold water pipe of described upper heat-exchange device, the cold water pipe of described lower heat-exchange device, described hot water outlet pipe successively.
Described wastewater inlet pipe is successively by being connected with waste water outlet pipe after the 5th switch, lower heat exchange tank, the wastewater trough of lower heat-exchange device, the wastewater trough of upper heat-exchange device, upper heat exchange tank, the first switch, described cold water inlet is also connected with upper heat exchange tank by after the 4th switch, described waste water outlet pipe is also connected with described lower heat exchange tank by after second switch, and described wastewater inlet pipe is also connected with upper heat exchange tank by the 6th switch.
Described hot water outlet pipe is also provided with a heater and hot-water switch sensor, a detector is provided with in described lower heat exchange tank, described detector is for detecting the water flow velocity in lower heat exchange tank, from described lower heat-exchange device out after, the described hot water outlet pipe arrived before described heater is provided with temperature sensor, the described first to the 6th switch, described detector and described temperature sensor are also connected with a controller;
Described controller comprises: setting module, and this setting module is for setting effluent flow rate critical field and the highest hot water allowable temperature;
The comparison module be connected with setting module, detector and temperature sensor respectively, the effluent flow rate critical field that this comparison module sets for the water flow velocity data and setting module contrasting the transmission of described detector, and the highest hot water allowable temperature that hot water temperature's data of reduced temperature sensor transmissions and setting module set;
And the control module to be connected with comparison module, this control module is used for controlling the described first to the 6th switch motion according to the comparative result of comparison module.
Described upper heat exchange tank top is provided with a collector plate, described collector plate surrounding is provided with the inclination angle of outer, in described collector plate, plane is connected with described wastewater inlet pipe, on it, plane is also provided with many interlaced drainage troughs, and plane is also provided with anti-slip veins on it, the wastewater inlet pipe place of described collector plate upper surface is the minimum point of plane on it.
A detachable filter screen is also provided with in described lower heat exchange tank.
The normal operating condition of this system is: described second switch, the 4th switch and the 6th switch are closed, described first switch, the 3rd switch and the 5th switch open;
Described controller can perform strong backwashing procedures and weak backwashing procedures,
Wherein, described strong backwashing procedures is:
Step S1. detector detects water flow velocity data in real time; The water flow velocity data that detector detects by comparison module and the effluent flow rate critical field that setting module sets compare;
Step S2. is according to comparative result, and controller controls the first switch, the 3rd switch and the 5th switch and cuts out, and second switch, the 4th switch and the 6th switch open perform backwash step;
Wherein, described weak backwashing procedures is:
Step S1. temperature sensor detects the temperature data of the water flowed out from hot water outlet pipe in real time; Comparison module by temperature sensor senses to hot water temperature's data and the highest hot water allowable temperature that sets of setting module compare;
Step S2. is according to comparative result, controller controls the first switch, the 4th switch and the 5th switch and cuts out, second switch, the 3rd switch and the 6th switch open, waste water through the flowing of the wastewater trough of the wastewater trough of upper heat exchange tank, upper heat-exchange device, lower heat exchange tank, lower heat-exchange device, filter screen, second switch and waste water outlet pipe, thus utilizes waste water to carry out weak backwash.
Owing to have employed the detector for detecting water flow velocity, when after the time that hot water opens certain length, if the water flow velocity arrived that detector detects is less in the most of the time still flow velocity, so then can judge that large-area dirt blocking has appearred in filter screen with this, prove the strong backwashing procedures now should opening cold water.
Compared with prior art, beneficial effect of the present invention is:
1, stacked upper heat exchange tank and lower heat exchange tank, heat-exchange device and lower heat-exchange device is respectively equipped with in upper heat exchange tank and lower heat exchange tank, spot in waste water and particle to be gathered under lower floor in heat exchange tank and lower heat-exchange device due to the effect of gravity, backwash can be made convenient, efficiently;
2, detect water flow velocity by detector, controller controls the first to the 6th switch motion, and realize strong pre-washing function automatically, dirty removal capacities is strong, effectively solves the problem that in heat-exchange device, spot can not be cleared up in time.
3. sense by the temperature of the water heated in real time by set temperature sensor on hot water outlet pipe, and control the first to the 6th switch motion when being exceeded the highest hot water allowable temperature by the temperature of water heated by controller, realize automatic weak pre-washing function, make full use of waste water, effectively save water resource.
Accompanying drawing explanation
Fig. 1 is the structural representation of the water heater heat exchange system described in embodiments of the invention;
Fig. 2 is the structural representation of the upper heat-exchange device described in embodiments of the invention;
Fig. 3 is the structural representation of the lower heat-exchange device described in embodiments of the invention;
Fig. 4 is the structural representation of the collector plate described in embodiments of the invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
A kind of with flow rate detection and temperature detection can backpulsing heat-exchange system, described system comprises cold water inlet 5, hot water outlet pipe 6, wastewater inlet pipe 7, waste water outlet pipe 8, shower nozzle 25, upper heat exchange tank 1 and lower heat exchange tank 2, heat-exchange device 3 and lower heat-exchange device 4 is respectively equipped with in described upper heat exchange tank 1 and described lower heat exchange tank 2, cold water pipe and wastewater trough is provided with in described upper heat-exchange device 3 and lower heat-exchange device 4, described wastewater trough is centered around the periphery of described cold water pipe, thus can exchange heat be carried out between water in described wastewater trough and the water of described cold water pipe, described cold water inlet 5 is connected with described shower nozzle 25 by one the 3rd switch 11, the cold water pipe of described upper heat-exchange device 3, the cold water pipe of described lower heat-exchange device 4, described hot water outlet pipe 6 successively.
Described wastewater inlet pipe 7 is successively by being connected with waste water outlet pipe 8 after the wastewater trough of the 5th switch 23, lower heat exchange tank 2, the wastewater trough of lower heat-exchange device 4, upper heat-exchange device 3, upper heat exchange tank 1, first switch 9, described cold water inlet 5 is also connected with upper heat exchange tank 1 by after the 4th switch 12, described waste water outlet pipe 8 is also connected with described lower heat exchange tank 2 by after second switch 10, and described wastewater inlet pipe 7 is also connected with upper heat exchange tank 1 by the 6th switch 22.
Waste water can first by lower heat exchange tank 2 and the lower heat-exchange device 4 of lower floor; again by heat-exchange device on upper strata 3 and upper heat exchange tank 1; spot in waste water and particle to be only gathered under lower floor in heat exchange tank 2 and lower heat-exchange device 4 due to the effect of gravity, only have little spot and particle can by other pipelines or the equipment upwards polluting upper strata under the drive of current.When backwash, a large amount of spot and the particle distance waste water outlet pipe 8 that are gathered in lower floor are nearer, and backwash is convenient, efficiently.
Described hot water outlet pipe 6 is also provided with a heater 13 and hot-water switch sensor 26, a detector 15 is provided with in described lower heat exchange tank 2, described detector 15 is for detecting the water flow velocity in lower heat exchange tank 2, from described lower heat-exchange device 4 out after, the described hot water outlet pipe 6 arrived before described heater 13 is provided with temperature sensor 27, the described first to the 6th switch 9 ~ 12,22,23, described detector 15 and described temperature sensor 27 be also connected with a controller 14.
Described controller 14 comprises: setting module, and this setting module is for setting effluent flow rate critical field and the highest hot water allowable temperature;
The comparison module be connected with setting module, detector 15 and temperature sensor 27 respectively, the effluent flow rate critical field that this comparison module sets for the water flow velocity data and setting module contrasting the transmission of described detector 15, and the highest hot water allowable temperature that hot water temperature's data of reduced temperature sensor 27 transmission and setting module set;
And the control module to be connected with comparison module, this control module is used for controlling the described first to the 6th switch 9 ~ 12,22,23 action according to the comparative result of comparison module.
Described upper heat exchange tank 1 top is provided with a collector plate 16, described collector plate 16 surrounding is provided with the inclination angle of outer, in described collector plate 16, plane is connected with described wastewater inlet pipe 7, on it, plane is also provided with many interlaced drainage troughs 161, and plane is also provided with anti-slip veins 162 on it, wastewater inlet pipe 7 place of described collector plate 16 upper surface is the minimum point of plane on it.
A detachable filter screen 17 is also provided with in described lower heat exchange tank 2.
Upper heat-exchange device 3 is identical with lower heat-exchange device 4 structure, include wastewater trough 31, many interlaced deflectors 32 are provided with in wastewater trough 31, also comprise the cold water pipe 33 in the wastewater trough 31 be arranged between deflector 32, cold water pipe 33 is provided with multiple heat absorbing fins 34, cold water inlet 5 is successively by one the 3rd switch 11, cold water pipe 33 in upper heat-exchange device 3, cold water pipe 33 in lower heat-exchange device 4, hot water outlet pipe 6 is connected with described shower nozzle 25, wastewater inlet pipe 7 is successively by lower heat exchange tank 2, wastewater trough 31 in lower heat-exchange device 4, wastewater trough 31 in upper heat-exchange device 3, upper heat exchange tank 1, be connected with waste water outlet pipe 8 after first switch 9.Spent hot water in cold water in cold water pipe 33 and wastewater trough 31 carries out heat exchange in upper heat-exchange device 3 with lower heat-exchange device 4.
The normal operating condition of this system is: described second switch 10, the 4th switch 12 and the 6th switch 22 are closed, and described first switch 9, the 3rd switch 11 and the 5th switch 23 are opened.
Described controller 14 can perform strong backwashing procedures and weak backwashing procedures,
Wherein, described strong backwashing procedures is:
Step S1. detector 15 detects water flow velocity data in real time; The water flow velocity data that detector 15 detects by comparison module and the effluent flow rate critical field that setting module sets compare;
Step S2. is according to comparative result, controller 14 controls the first switch 9, the 3rd switch 11 and the 5th switch 23 and cuts out, second switch 10, the 4th switch 12 and the 6th switch 22 are opened, cold water flows through the wastewater trough of the wastewater trough of upper heat exchange tank 1, upper heat-exchange device 3, lower heat exchange tank 2, lower heat-exchange device 4, filter screen 17, second switch 10 and waste water outlet pipe 8, thus utilizing cold water to carry out strong backwash, effluent part carries out backwash through identical path simultaneously.
Wherein, described weak backwashing procedures is:
Step S1. temperature sensor 27 detects the temperature data of the water flowed out from hot water outlet pipe 6 in real time; Hot water temperature's data that temperature sensor 27 senses by comparison module and the highest hot water allowable temperature that setting module sets compare;
Step S2. is according to comparative result, controller controls the first switch 9, the 4th switch 12 and the 5th switch 23 and cuts out, second switch 10, the 3rd switch 11 and the 6th switch 22 are opened, waste water flows through the wastewater trough of the wastewater trough of upper heat exchange tank 1, upper heat-exchange device 3, lower heat exchange tank 2, lower heat-exchange device 4, filter screen 17, second switch 10 and waste water outlet pipe 8, thus utilize waste water to carry out weak backwash, simultaneously due to the unlatching of the 3rd switch 11, carry out the utilization not affecting cold water in the process of weak flushing utilizing waste water.
Above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any change of expecting without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (1)
1. one kind with flow rate detection and temperature detection can backpulsing heat-exchange system, described system comprises cold water inlet (5), hot water outlet pipe (6), wastewater inlet pipe (7), waste water outlet pipe (8), shower nozzle (25), upper heat exchange tank (1) and lower heat exchange tank (2), heat-exchange device (3) and lower heat-exchange device (4) is respectively equipped with in described upper heat exchange tank (1) and described lower heat exchange tank (2), cold water pipe and wastewater trough is provided with in described upper heat-exchange device (3) and lower heat-exchange device (4), described wastewater trough is centered around the periphery of described cold water pipe, thus can exchange heat be carried out between water in described wastewater trough and the water of described cold water pipe, described cold water inlet (5) is connected with described shower nozzle (25) by one the 3rd switch (11), the cold water pipe of described upper heat-exchange device (3), the cold water pipe of described lower heat-exchange device (4), described hot water outlet pipe (6) successively,
Described wastewater inlet pipe (7) is successively by the 5th switch (23), lower heat exchange tank (2), the wastewater trough of lower heat-exchange device (4), the wastewater trough of upper heat-exchange device (3), upper heat exchange tank (1), first switch (9) is connected with waste water outlet pipe (8) afterwards, described cold water inlet (5) is also connected with upper heat exchange tank (1) afterwards by the 4th switch (12), described waste water outlet pipe (8) is also connected with described lower heat exchange tank (2) afterwards by second switch (10), described wastewater inlet pipe (7) is also connected with upper heat exchange tank (1) by the 6th switch (22),
Described hot water outlet pipe (6) is also provided with a heater (13) and hot-water switch sensor (26), a detector (15) is provided with in described lower heat exchange tank (2), described detector (15) is for detecting the water flow velocity in lower heat exchange tank (2), from described lower heat-exchange device (4) out after, arrive on the described hot water outlet pipe (6) before described heater (13) and be provided with temperature sensor (27), described first to the 6th switch (9 ~ 12, 22, 23), described detector (15) and described temperature sensor (27) are also connected with a controller (14),
Described controller (14) comprising: setting module, and this setting module is for setting effluent flow rate critical field and the highest hot water allowable temperature;
The comparison module be connected with setting module, detector (15) and temperature sensor (27) respectively, the effluent flow rate critical field that this comparison module sets for the water flow velocity data and setting module contrasting described detector (15) transmission, and the highest hot water allowable temperature that hot water temperature's data of reduced temperature sensor (27) transmission and setting module set;
And the control module to be connected with comparison module, this control module is used for controlling the described first to the 6th switch (9 ~ 12,22,23) action according to the comparative result of comparison module;
Described upper heat exchange tank (1) top is provided with a collector plate (16), described collector plate (16) surrounding is provided with the inclination angle of outer, the upper plane of described collector plate (16) is connected with described wastewater inlet pipe (7), on it, plane is also provided with many interlaced drainage troughs (161), and plane is also provided with anti-slip veins (162) on it, wastewater inlet pipe (7) place of described collector plate (16) upper surface is the minimum point of plane on it;
A detachable filter screen (17) is also provided with in described lower heat exchange tank (2);
The normal operating condition of this system is: described second switch (10), the 4th switch (12) and the 6th switch (22) are closed, and described first switch (9), the 3rd switch (11) and the 5th switch (23) are opened;
Described controller (14) can perform strong backwashing procedures and weak backwashing procedures,
Wherein, described strong backwashing procedures is:
Step S1. detector (15) detects water flow velocity data in real time; The water flow velocity data that detector (15) detects by comparison module and the effluent flow rate critical field that setting module sets compare;
Step S2. is according to comparative result, and controller (14) controls the first switch (9), the 3rd switch (11) and the 5th switch (23) and cuts out, and second switch (10), the 4th switch (12) and the 6th switch (22) are opened, and performs backwash step;
Wherein, described weak backwashing procedures is:
Step S1. temperature sensor (27) detects the temperature data of the water flowed out from hot water outlet pipe (6) in real time; Hot water temperature's data that temperature sensor (27) senses by comparison module and the highest hot water allowable temperature that setting module sets compare;
Step S2. is according to comparative result, if the hot water temperature that described temperature sensor (27) senses is higher than the highest described hot water allowable temperature, then controller controls the first switch (9), 4th switch (12) and the 5th switch (23) are closed, second switch (10), 3rd switch (11) and the 6th switch (22) are opened, waste water is through upper heat exchange tank (1), the wastewater trough of upper heat-exchange device (3), lower heat exchange tank (2), the wastewater trough of lower heat-exchange device (4), filter screen (17), second switch (10) and waste water outlet pipe (8) flowing, thus utilize waste water to carry out weak backwash.
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| CN105021066A (en) * | 2015-07-31 | 2015-11-04 | 湖州南浔金吉宝纺织有限公司 | Textile high-temperature wastewater cooling device |
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| GB2376517B (en) * | 2001-04-21 | 2003-05-07 | Lubor Schiller | Energy recovery system |
| KR100586789B1 (en) * | 2004-12-15 | 2006-06-08 | 김기석 | Fluid's course auto-changing system in heat recovery equipment of wastewater |
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| CN101614502B (en) * | 2009-07-22 | 2010-10-27 | 首钢京唐钢铁联合有限责任公司 | Cleaning method of low-temperature multi-effect seawater desalination evaporator |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2032306U (en) * | 1988-05-31 | 1989-02-08 | 智完成 | Utilising apparatus of waste-water waste-heat for common bathing house hot-water boiler |
| US5301745A (en) * | 1991-08-14 | 1994-04-12 | Klaus Seib | Installation for heat recovery |
| GB2376517B (en) * | 2001-04-21 | 2003-05-07 | Lubor Schiller | Energy recovery system |
| KR100586789B1 (en) * | 2004-12-15 | 2006-06-08 | 김기석 | Fluid's course auto-changing system in heat recovery equipment of wastewater |
| CN201255605Y (en) * | 2008-07-31 | 2009-06-10 | 申敬罡 | Intelligent ball type on-line cleaning device for heat exchanger tube inner wall |
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Effective date of registration: 20150914 Address after: South Gate Town Industrial Park, 214405 Jiangyin Road, Jiangsu: city of Wuxi Province Applicant after: DUAN ZHONGDA Address before: 501, room 3, unit 6, 1108 Renmin East Road, Wucheng District, Zhejiang, Jinhua, 321000 Applicant before: Hu Jintao |
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