CN103528400A - Water heater heat exchange system with water pressure and temperature detecting function - Google Patents

Water heater heat exchange system with water pressure and temperature detecting function Download PDF

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Publication number
CN103528400A
CN103528400A CN201310522347.8A CN201310522347A CN103528400A CN 103528400 A CN103528400 A CN 103528400A CN 201310522347 A CN201310522347 A CN 201310522347A CN 103528400 A CN103528400 A CN 103528400A
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switch
wastewater
heat
heat exchange
pressure sensor
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CN201310522347.8A
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CN103528400B (en
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朱勇
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Anhui Yuxue Cable Quality Inspection Technology Co., Ltd.
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朱勇
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Abstract

The invention discloses a water heater heat exchange system with a water pressure and temperature detecting function. The water heater heat exchange system comprises a cold water inlet pipe (5), a hot water outlet pipe (6), a waste water inlet pipe (7), a waste water outlet pipe (8), a nozzle (15), an upper heat exchange trough (1) and a lower heat exchange trough (2). An upper heat exchange device (3) and a lower heat exchange device (4) are respectively arranged in the upper heat exchange trough (1) and the lower heat exchange trough (2), a detachable filter screen (17) is arranged in the lower heat exchange trough (2), a first pressure sensor (42) and a second pressure sensor (41) are respectively arranged on the left side and the right side of the filter screen (17) and are respectively connected with a controller (14), and the controller (14) comprises a comparing module (143) respectively connected with a setting module (144), the first pressure sensor (42), the second pressure sensor (41) and a waste water temperature sensor (20).

Description

A kind of water heater heat-exchange system with hydraulic pressure detection and temperature detection
Technical field
The present invention relates to technical field of heat exchange device, relate in particular to a kind of water heater heat-exchange system with hydraulic pressure detection and temperature detection.
Background technology
Along with popularizing of water heater, people are when enjoying the happy and health of shower, and the waste of water resource is also day by day serious.The water of heating is directly discharged after shower, comprises a part of heat and the water resource can be recycled in the water due to shower, therefore, the direct discharge of the water after shower has not only been wasted to a large amount of water, but also has wasted the heat in hot water.In prior art, there is a kind of device for recycling heat of bath water; it can effectively 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 assembled in inside; if can not clear up in time; gently can cause heat-exchange device to stop up cannot use, heavy can damage heat-exchange device.
Summary of the invention
The technical problem that the present invention easily can not clean in the inner gathering of heat-exchange device automatically in order to solve the spot in existing waste water in prior art, and a kind of water heater heat-exchange system with decontamination function is provided.
The technical scheme that the present invention adopted is for achieving the above object: a kind of water heater heat-exchange system with hydraulic pressure detection and temperature detection, described system comprises cold water inlet, hot water outlet pipe, wastewater inlet pipe, wastewater effluent pipe, shower nozzle, upper heat exchange tank and lower heat exchange tank, in described upper heat exchange tank and described lower heat exchange tank, be respectively equipped with heat-exchange device and lower heat-exchange device, in described upper heat-exchange device and lower heat-exchange device, be provided with cold water pipe and wastewater trough, described wastewater trough is centered around the periphery of described cold water pipe, thereby can carry out exchange heat between the 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 wastewater effluent 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 wastewater effluent 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.
On described hot water outlet pipe, be also provided with a heater.Exit at wastewater inlet pipe described in lower heat exchange tank is provided with wastewater temperature sensor, the temperature of the waste water that described wastewater temperature sensor flows out from the exit of described wastewater inlet pipe for sensing.
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 minimum point that the wastewater inlet pipe place of described collector plate upper surface is plane on it.
In described lower heat exchange tank, be also provided with a detachable filter screen; In the bottom of described lower heat exchange tank, the left and right sides of described filter screen is respectively arranged with the first pressure sensor and the second pressure sensor; The described first to the 6th switch, described the first pressure sensor and the second pressure sensor are connected with a controller respectively.
Described controller comprises: setting module, and this setting module is used for setting differential water pressures critical field and minimum waste water can utilize temperature;
The comparison module being connected with setting module, the first pressure sensor, the second pressure sensor and wastewater temperature sensor respectively, the hydraulic pressure data that this comparison module comes for receiving the first pressure sensor and the transmission of the second pressure sensor, calculate difference, and with the differential water pressures critical field comparison that setting module is set, contrast the minimum waste water that temperature data that wastewater temperature sensor transmissions comes and setting module set simultaneously and can utilize temperature;
And the control module being connected with comparison module, this control module is for controlling the described first to the 6th switch motion according to the comparative result of comparison module.
The normal operating condition of this system is: described second switch, the 4th switch and the 6th switch are closed, described the first switch, the 3rd switch and the 5th switch open.
Described controller can be carried out strong backwashing procedures and weak backwashing procedures.
Wherein, described strong backwashing procedures is:
Step S1. the first pressure sensor and the real-time sensing hydraulic pressure of the second pressure sensor data, comparison module by the first pressure sensor and the second pressure sensor senses to differential water pressures data and the differential water pressures critical field set of setting module compare,
Step S2. is according to comparative result, if the differential water pressures that described the first pressure sensor and the second pressure sensor senses arrive surpasses described differential water pressures critical field, controller controls the first switch, the 3rd switch and the 5th switch and cuts out, second switch, the 4th switch and the 6th switch open, carry out strong backwash step;
Wherein, described weak backwashing procedures is:
Step S1. utilizes the real-time sensing of wastewater temperature sensor from the temperature of the waste water of wastewater inlet pipe inflow, and the minimum waste water that the temperature data that comparison module senses wastewater temperature sensor and setting module are set can utilize temperature to compare;
Step S2. is according to comparative result, if being less than described minimum waste water, the temperature data that wastewater temperature sensor senses can utilize temperature, 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 flows through wastewater trough, filter screen, second switch and the wastewater effluent pipe of upper heat exchange tank, the wastewater trough of upper heat-exchange device, lower heat exchange tank, lower heat-exchange device, thereby utilizes waste water to carry out weak backwash.
If the pressure differential of filter screen both sides is too large, prove that filter screen is serious by the chocking-up degree of dirt, need to adopt cold water to rinse by force.
Compared with prior art, beneficial effect of the present invention is:
1, stacked upper heat exchange tank and lower heat exchange tank, in upper heat exchange tank and lower heat exchange tank, be respectively equipped with heat-exchange device and lower heat-exchange device, spot in waste water and particle are because the effect of gravity is gathered under lower floor in heat exchange tank and lower heat-exchange device, can make backwash convenient, efficient;
2, by the hydraulic pressure of the first pressure sensor and the second pressure sensor senses filter screen both sides, when the hydraulic pressure difference of filter screen both sides exceeds differential water pressures critical field, controller is controlled the first to the 6th switch motion, realize automatically strong pre-washing function, dirty removal capacities is strong, has effectively solved the problem that in heat-exchange device, spot can not be cleared up in time.
3. the temperature of the waste water flowing into from wastewater inlet pipe by wastewater temperature sensor sensing, and when the temperature of waste water can be utilized temperature lower than minimum waste water, by controller, control the first to the 6th switch motion, realize automatically weak pre-washing function, make full use of waste water, effectively saved 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.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention are made to more explicit defining.
A kind of water heater heat-exchange system with hydraulic pressure detection and temperature detection, described system comprises cold water inlet 5, hot water outlet pipe 6, wastewater inlet pipe 7, wastewater effluent pipe 8, shower nozzle 15, upper heat exchange tank 1 and lower heat exchange tank 2, in described upper heat exchange tank 1 and described lower heat exchange tank 2, be respectively equipped with heat-exchange device 3 and lower heat-exchange device 4, in described upper heat-exchange device 3 and lower heat-exchange device 4, be provided with cold water pipe and wastewater trough, described wastewater trough is centered around the periphery of described cold water pipe, thereby can carry out exchange heat between the water in described wastewater trough and the water of described cold water pipe, described cold water inlet 5 is connected with described shower nozzle 15 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 wastewater effluent pipe 8 after 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, the first switch 9, described cold water inlet 5 is also connected with upper heat exchange tank 1 by after the 4th switch 12, described wastewater effluent 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 pass through lower heat exchange tank 2 and the lower heat-exchange device 4 of lower floor; again by heat-exchange device on upper strata 4 and upper heat exchange tank 1; spot in waste water and particle be because the effect of gravity only can be gathered under lower floor in heat exchange tank 2 and lower heat-exchange device 4, only has spot and the particle seldom can be by other pipelines or the equipment that upwards pollute upper strata under the drive of current.When backwash, a large amount of spots and the particle that are gathered in lower floor are nearer apart from wastewater effluent pipe 8, and backwash is convenient, efficient.
On described hot water outlet pipe 6, be also provided with a heater 13.Exit at wastewater inlet pipe 7 described in lower heat exchange tank 2 is provided with wastewater temperature sensor 20, the temperature of the waste water that described wastewater temperature sensor 20 flows out from the exit of described wastewater inlet pipe 7 for sensing.
Described upper heat exchange tank 1 top is provided with a collector plate 16, described collector plate 16 surroundings are 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, the minimum point that wastewater inlet pipe 7 places of described collector plate 16 upper surfaces are plane on it.
Upper heat-exchange device 3 is identical with lower heat-exchange device 4 structures, include wastewater trough 31, in wastewater trough 31, be provided with many interlaced deflectors 32, also comprise the cold water pipe 33 in the wastewater trough 31 being arranged between deflector 32, cold water pipe 33 is provided with a plurality of 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 15, 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, after the first switch 9, be connected with wastewater effluent pipe 8.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 and lower heat-exchange device 4.
In described lower heat exchange tank 2, be also provided with a detachable filter screen 17; In the bottom of described lower heat exchange tank 2, the left and right sides of described filter screen 17 is respectively arranged with the first pressure sensor 42 and the second pressure sensor 41.The described first to the 6th switch 9~12,22,23, described the first pressure sensor 42 and the second pressure sensor 41 are connected with a controller 14 respectively.
Described controller 14 comprises: setting module 144, and this setting module 144 is for setting differential water pressures critical field and minimum waste water can utilize temperature;
The comparison module 143 being connected with wastewater temperature sensor 20 with setting module 144, the first pressure sensor 42, the second pressure sensor 41 respectively, the hydraulic pressure data that this comparison module 143 comes for receiving described the first pressure sensor 42 and the second pressure sensor 41 transmission, calculate difference, and with the differential water pressures critical field that setting module 144 is set, contrast the minimum waste water that temperature data that 20 transmission of wastewater temperature sensor come and setting module 144 set simultaneously and can utilize temperature;
And the control module 142 being connected with comparison module 143, this control module 142 is for controlling the described first to the 6th switch 9~12,22,23 actions according to the comparative result of comparison module 143;
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 the first switch 9, the 3rd switch 11 and the 5th switch 23 are opened;
Described controller 14 can be carried out strong backwashing procedures and weak backwashing procedures,
Wherein, described strong backwashing procedures is:
Step S1. the first pressure sensor 42 and the real-time sensing hydraulic pressure data of the second pressure sensor 41, the differential water pressures critical field that the differential water pressures data that comparison module 143 senses the first pressure sensor 42 and the second pressure sensor 41 and setting module 144 are set compares
Step S2. is according to comparative result, if the differential water pressures that described the first pressure sensor 42 and the second pressure sensor 41 sense surpasses described differential water pressures critical field, controller 14 is controlled the first switch 9, the 3rd switch 11 and the 5th switch 23 are closed, second switch 10, the 4th switch 12 and the 6th switch 22 are opened, cold 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 wastewater effluent pipe 8 flow, thereby utilize cold water to carry out strong backwash, part waste water carries out backwash through identical path simultaneously.
Wherein, described weak backwashing procedures is:
Step S1. utilizes the real-time sensing of wastewater temperature sensor 20 from the temperature of the waste water of wastewater inlet pipe 7 inflows, and the minimum waste water that the temperature data that comparison module 143 senses wastewater temperature sensor 20 and setting module 144 are set can utilize temperature to compare;
Step S2. is according to comparative result, if being less than described minimum waste water, the temperature data that wastewater temperature sensor 20 senses can utilize temperature, controller is controlled the first switch 9, the 4th switch 12 and the 5th switch 23 are closed, second switch 10, the 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 wastewater effluent pipe 8 flow, thereby utilize waste water to carry out weak backwash, while is due to the unlatching of the 3rd switch 11, in the process of rinsing, do not affect the utilization of cold water a little less than utilizing waste water to carry out.
Above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any variation of expecting without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.

Claims (1)

1. one kind is detected with hydraulic pressure and the water heater heat-exchange system of temperature detection, described system comprises cold water inlet (5), hot water outlet pipe (6), wastewater inlet pipe (7), wastewater effluent pipe (8), shower nozzle (15), upper heat exchange tank (1) and lower heat exchange tank (2), in described upper heat exchange tank (1) and described lower heat exchange tank (2), be respectively equipped with heat-exchange device (3) and lower heat-exchange device (4), in described upper heat-exchange device (3) and lower heat-exchange device (4), be provided with cold water pipe and wastewater trough, described wastewater trough is centered around the periphery of described cold water pipe, thereby can carry out exchange heat between the water in described wastewater trough and the water of described cold water pipe, described cold water inlet (5) is connected with described shower nozzle (15) 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), after the first switch (9), be connected with wastewater effluent pipe (8), described cold water inlet (5) is also connected with upper heat exchange tank (1) by after the 4th switch (12), described wastewater effluent pipe (8) is also connected with described lower heat exchange tank (2) by after second switch (10), described wastewater inlet pipe (7) is also connected with upper heat exchange tank (1) by the 6th switch (22),
On described hot water outlet pipe (6), be also provided with a heater (13); Exit at wastewater inlet pipe (7) described in lower heat exchange tank (2) is provided with wastewater temperature sensor (20), the temperature of the waste water that described wastewater temperature sensor (20) flows out from the exit of described wastewater inlet pipe (7) for sensing;
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, the wastewater inlet pipe (7) of described collector plate (16) upper surface is located the minimum point into plane on it;
In described lower heat exchange tank (2), be also provided with a detachable filter screen (17); In the bottom of described lower heat exchange tank (2), the left and right sides of described filter screen (17) is respectively arranged with the first pressure sensor (42) and the second pressure sensor (41); The described first to the 6th switch (9~12,22,23), described the first pressure sensor (42) and the second pressure sensor (41) are connected with a controller (14) respectively;
Described controller (14) comprising: setting module (144), and this setting module (144) is for setting differential water pressures critical field and minimum waste water can utilize temperature;
The comparison module (143) being connected with setting module (144), the first pressure sensor (42), the second pressure sensor (41) and wastewater temperature sensor (20) respectively, the hydraulic pressure data that this comparison module (143) comes for receiving the first pressure sensor (42) and the second pressure sensor (41) transmission, calculate difference, and with the differential water pressures critical field comparison that setting module (144) is set, contrast the minimum waste water that temperature data that wastewater temperature sensor (20) transmission comes and setting module (144) set simultaneously and can utilize temperature;
And the control module (142) being connected with comparison module (143), this control module (142) is for controlling the described first to the 6th switch (9~12,22,23) action according to the comparative result of comparison module (143);
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 the first switch (9), the 3rd switch (11) and the 5th switch (23) are opened;
Described controller (14) can be carried out strong backwashing procedures and weak backwashing procedures,
Wherein, described strong backwashing procedures is:
Step S1. the first pressure sensor (42) and the second pressure sensor (41) be sensing hydraulic pressure data in real time, the differential water pressures critical field that the differential water pressures data that comparison module (143) senses the first pressure sensor (42) and the second pressure sensor (41) and setting module (144) are set compares
Step S2. is according to comparative result, if the differential water pressures that described the first pressure sensor (42) and the second pressure sensor (41) sense surpasses described differential water pressures critical field, 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, and carry out strong backwash step;
Wherein, described weak backwashing procedures is:
Step S1. utilizes the temperature of wastewater temperature sensor (20) waste water that sensing flows into from wastewater inlet pipe (7) in real time, and the minimum waste water that the temperature data that comparison module (143) senses wastewater temperature sensor (20) and setting module (144) are set can utilize temperature to compare;
Step S2. is according to comparative result, if being less than described minimum waste water, the temperature data that wastewater temperature sensor (20) senses can utilize temperature, controller is controlled the first switch (9), the 4th switch (12) and the 5th switch (23) are closed, second switch (10), the 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 wastewater effluent pipe (8) flow, thereby utilize waste water to carry out weak backwash.
CN201310522347.8A 2013-10-30 2013-10-30 Water heater heat exchange system with water pressure and temperature detecting function Active CN103528400B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110905856A (en) * 2019-11-13 2020-03-24 徐州三源实业有限公司 Immersible pump heat sink

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Publication number Priority date Publication date Assignee Title
US4300247A (en) * 1980-05-07 1981-11-17 Berg Charles A Energy conservation in shower bathing
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
CN2521570Y (en) * 2002-01-08 2002-11-20 徐国辉 Waste heated water thermal energy recovering device
CN201255605Y (en) * 2008-07-31 2009-06-10 申敬罡 Intelligent ball type on-line cleaning device for heat exchanger tube inner wall
CN201572735U (en) * 2009-07-10 2010-09-08 奇瑞汽车股份有限公司 Car engine-cover coating and fixing assistive device
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 multiple-effect seawater desalination evaporator
WO2013037381A1 (en) * 2011-09-15 2013-03-21 Patrick Gilbert Conduit assemblies for heat exchangers and the like
CN202928401U (en) * 2012-11-25 2013-05-08 张斌 Submergence water storage type shower hot water waste heat efficient recycling device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300247A (en) * 1980-05-07 1981-11-17 Berg Charles A Energy conservation in shower bathing
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
CN2521570Y (en) * 2002-01-08 2002-11-20 徐国辉 Waste heated water thermal energy recovering device
CN201255605Y (en) * 2008-07-31 2009-06-10 申敬罡 Intelligent ball type on-line cleaning device for heat exchanger tube inner wall
CN201572735U (en) * 2009-07-10 2010-09-08 奇瑞汽车股份有限公司 Car engine-cover coating and fixing assistive device
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 multiple-effect seawater desalination evaporator
WO2013037381A1 (en) * 2011-09-15 2013-03-21 Patrick Gilbert Conduit assemblies for heat exchangers and the like
CN202928401U (en) * 2012-11-25 2013-05-08 张斌 Submergence water storage type shower hot water waste heat efficient recycling device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110905856A (en) * 2019-11-13 2020-03-24 徐州三源实业有限公司 Immersible pump heat sink

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Patentee before: Anhui Special Cable Industry Technology Research Institute

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Address after: 238300 Wuwei County, Wuhu City, Anhui Province, Wucheng South New Town

Patentee after: Anhui Special Cable Industry Technology Research Institute

Address before: 238300 Wuwei County, Wuhu City, Anhui Province, Wucheng South New Town

Patentee before: WUWEI COUNTY SPECIAL CABLE INDUSTRY TECHNOLOGY INSTITUTE