CN111059756B - From descaling type intelligence electric water heater for house - Google Patents
From descaling type intelligence electric water heater for house Download PDFInfo
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- CN111059756B CN111059756B CN201911266285.2A CN201911266285A CN111059756B CN 111059756 B CN111059756 B CN 111059756B CN 201911266285 A CN201911266285 A CN 201911266285A CN 111059756 B CN111059756 B CN 111059756B
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- rod
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000007790 scraping Methods 0.000 claims abstract description 26
- 229910052749 magnesium Inorganic materials 0.000 claims description 12
- 239000011777 magnesium Substances 0.000 claims description 12
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 2
- 230000029052 metamorphosis Effects 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 4
- 229910001000 nickel titanium Inorganic materials 0.000 description 4
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cookers (AREA)
Abstract
The invention discloses a self-descaling type intelligent household electric water heater which comprises a shell and an inner container arranged in the shell, wherein a heating rod and a magnesium rod are symmetrically and fixedly connected to the inner wall of the inner container, a cross rod is fixedly connected to the inner wall of the inner container, a circular ring is sleeved on the side wall of the cross rod, the inner wall of the inner container is fixedly connected with the side wall of the circular ring through a memory spring, a scraping ring is fixedly connected to the side wall of the circular ring, and a through hole matched with the heating rod and the magnesium rod is formed in the side wall of the scraping ring. According to the invention, the memory spring is heated to extend to push the circular ring to move on the cross rod, so that the scraping ring and the inner wall of the through hole remove scales on the inner container, the heating rod and the magnesium rod, the probability of scale accumulation in the water heater is effectively reduced, and the service life of each element in the water heater is prolonged.
Description
Technical Field
The invention relates to the technical field of intelligent home, in particular to a self-descaling type intelligent home electric water heater.
Background
The intelligent home is characterized in that a house is used as a platform, home facilities and family schedule affairs are managed through various advanced technologies, home safety and comfort are improved, environment-friendly and energy-saving living environments are realized, and the electric water heater is relatively environment-friendly and rapid equipment in cold water heating, so that the intelligent home is relatively widely applied.
Because the aquatic contains a large amount of mineral metal for can produce the incrustation scale when water heats, and these incrustation scales can be attached to the surface of heating rod and inner bag, can make the heating rod carry out the efficiency that heats to the water heater aquatic after the water heater uses for a long time slow, and make the inner bag descend to the hot-water heat preservation effect, the electric power resource of loss increases, in addition, after long-time the use, the surface of magnesium stick is adhered to by the dirt very easily, the guard action of magnesium stick has been reduced, the accumulation of incrustation scale on the heating rod has been accelerated.
Therefore, a self-descaling intelligent household electric water heater is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a self-descaling intelligent household electric water heater.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a from descaling type intelligence electric water heater for house, includes the casing and sets up the inner bag in the casing, inner bag inner wall symmetry fixedly connected with heating rod and magnesium stick, the relative inner wall fixedly connected with horizontal pole of inner bag, horizontal pole lateral wall cover is equipped with the ring, just the inner bag inner wall passes through memory spring and ring lateral wall fixed connection, ring lateral wall fixedly connected with scraping ring, just the scraping ring lateral wall seted up with heating rod and magnesium stick complex through-hole.
Preferably, the inner container is fixedly connected with a screw rod relative to the inner wall, the ring is in threaded connection with the side wall of the screw rod, one end, far away from the inner wall of the inner container, of the memory spring can do circular motion on the side wall of the ring, the inner wall of the scraping ring is provided with a first annular groove, and a removing device for rotatably removing scale on the heating rod and the magnesium rod is installed in the through hole.
Preferably, remove device includes two arc scraper blades, the through-hole inner wall seted up with arc scraper blade complex second ring channel, the second ring channel has third arc magnet and fourth arc magnet to inner wall sliding connection mutually, and third arc magnet and fourth arc magnet like poles repel each other, spring and arc scraper blade fixed connection are passed through to one side that second ring channel inner wall was kept away from to third arc magnet and fourth arc magnet, first arc magnet and third arc magnet opposite poles attract each other, second arc magnet and fourth arc magnet opposite poles attract each other.
The invention has the following beneficial effects:
1. by arranging the memory spring, the circular ring, the cross rod, the scraping ring and the through hole, when the temperature of water in the shell reaches the abnormal temperature of the memory spring, the memory spring is heated and extended to push the circular ring to move on the cross rod, so that the scraping ring and the inner wall of the through hole are driven to remove scale on the inner container, the heating rod and the magnesium rod, the probability of scale accumulation in the water heater is effectively reduced, the heating efficiency of cold water is increased, and the service life of each element in the water heater is prolonged;
2. by arranging the lead screw, the first arc-shaped magnet, the second annular groove, the third arc-shaped magnet and the fourth arc-shaped magnet, after the memory spring is heated and extended, the ring is pushed to rotate and advance on the side wall of the lead screw, so that the first arc-shaped magnet and the second arc-shaped magnet on the side wall of the ring drive the third arc-shaped magnet and the fourth arc-shaped magnet on the inner wall of the second annular groove to rotate, an arc-shaped scraper fixedly connected with the side walls of the third arc-shaped magnet and the fourth arc-shaped magnet through the spring rotates and advances, and scale on the heating rod and the magnesium rod is removed more efficiently;
3. the memory spring is heated to deform to push the circular ring to move, so that the inside of the water heater is descaled without arranging other driving devices, the complexity of a descaling mechanism is reduced, and meanwhile, the consumption of energy is effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is a schematic sectional view of the second embodiment of the present invention along the direction B-B.
In the figure: the device comprises a shell 1, a liner 2, a heating rod 3, a magnesium rod 4, a cross rod 5, a memory spring 6, a circular ring 7, a scraping ring 8, a through hole 9, a lead screw 10, a first annular groove 11, a first arc magnet 12, a second arc magnet 13, a second annular groove 14, a third arc magnet 15, a fourth arc magnet 16, a spring 17 and an arc scraping plate 18.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example one
Referring to fig. 1, a self-descaling intelligent household electric water heater comprises a shell 1 and an inner container 2 arranged in the shell 1, wherein the inner wall of the inner container 2 is symmetrically and fixedly connected with a heating rod 3 and a magnesium rod 4, the length of the heating rod 3 is consistent with that of the magnesium rod 4, the magnesium rod 4 mainly releases magnesium ions to slow down the corrosion of water alkali and water scale to the inner container 2 and the heating rod 3, the inner wall of the inner container 2 is fixedly connected with a cross rod 5 relative to the inner wall, the side wall of the cross rod 5 is sleeved with a circular ring 7, the inner wall of the inner container 2 is fixedly connected with the side wall of the circular ring 7 through a memory spring 6, the memory spring 6 is made of a nickel-titanium memory alloy material, the metamorphic temperature of the nickel-titanium memory alloy is 40 ℃, when the temperature of the water in the inner container 2 reaches the metamorphic temperature of the nickel-titanium memory alloy, the inner container can deform into an extension state, when the temperature of the water in the inner container 2 is lower than the metamorphic temperature of the nickel-titanium memory alloy, it can become tensile state by deformation, and is further, memory spring 6's extension length conforms to with heating rod 3's length, and 7 lateral walls fixedly connected with scraping ring 8 of ring, and 8 lateral walls of scraping ring set up with heating rod 3 and 4 complex through-holes 9 of magnesium stick, 8 outer walls of scraping ring and 9 inner walls of through-holes can get rid of the incrustation scale on inner bag 2, heating rod 3 and the magnesium stick 4 at the scraping ring round trip movement in-process.
In this embodiment, when the temperature of the water in the inner container 2 is heated to the abnormal temperature of the memory spring 6, the memory spring 6 extends to push the ring 7 to move on the cross rod 5, so that the ring 7 drives the scraping ring 8 to move on the inner wall of the inner container 2, and the inner wall of the inner container 2 is descaled, and simultaneously, along with the movement of the scraping ring 8, the inner wall of the through hole 9 can descale the surfaces of the heating rod 3 and the magnesium rod 4, when the temperature of the water in the inner container 2 is reduced to below the abnormal temperature of the memory spring 6, the memory spring 6 contracts, and the ring 7 is pulled to return to the original position, so that the inner walls of the scraping ring 8 and the through hole 9 descale the inner container 2, the heating rod 3 and the magnesium rod 4 once.
Example two
Referring to fig. 2-4, a self-descaling type intelligent household electric water heater, different from the first embodiment, a screw rod 10 is fixedly connected to the inner wall of an inner container 2, the circular ring 7 is in threaded connection with the side wall of the screw rod 10, one end of the memory spring 6, which is far away from the inner wall of the inner container 2, can do circular motion on the side wall of the circular ring 7, furthermore, the side wall of the circular ring 7 is provided with a circular groove, the inner wall of the circular groove is in sliding connection with a slide block, the side wall of the slide block is fixedly connected with one end of the memory spring 6, the circular ring 7 is convenient to advance in a rotating way on the side wall of the screw rod 10 under the pushing of the memory spring 6, the inner wall of the scraping ring 8 is provided with a first circular groove 11, and first ring channel 11 and ring 7 lateral wall sliding connection, the symmetrical fixedly connected with first arc magnet 12 of ring 7 outer wall and second arc magnet 13, install the remove device who carries out the rotation and get rid of to the incrustation scale on heating rod 3 and the magnesium stick 4 in the through-hole 9.
The removing device comprises two arc-shaped scrapers 18, a second annular groove 14 matched with the arc-shaped scrapers 18 is formed in the inner wall of the through hole 9, a third arc-shaped magnet 15 and a fourth arc-shaped magnet 16 are connected to the inner wall of the second annular groove 14 in a sliding mode, the same poles of the third arc-shaped magnet 15 and the fourth arc-shaped magnet 16 repel each other, one side, far away from the inner wall of the second annular groove 14, of the third arc-shaped magnet 15 and one side, far away from the inner wall of the second annular groove 14, of the fourth arc-shaped magnet 16 are fixedly connected with the arc-shaped scrapers 18 through springs 17, the outer wall of each arc-shaped scraper 18 abuts against the inner walls of the heating rod 3 and the magnesium rod 4, mutually matched notches are formed in the end portions of the two adjacent arc-shaped scrapers 18, the arc-shaped scrapers 18 abut against the surfaces of the heating rod 3 and the magnesium rod 4 under the action of the springs 17, so that the surfaces of the heating rod 3 and the magnesium rod 4 can be better descaled, the first arc-shaped magnet 12 and the third arc-shaped magnet 15 attract each other, the second arc-shaped magnet 13 and the fourth arc-shaped magnet 16 attract each other, in an initial state, the first arc magnet 12 and the third arc magnet 15 attract each other, the second arc magnet 13 and the fourth arc magnet 16 attract each other, as shown in fig. 4, the whole device is in a balanced state, when the memory spring 6 pushes the ring 7 to rotate on the lead screw 10, the ring 7 drives the first arc magnet 12 and the second arc magnet 13 to rotate, when the first arc magnet 12 rotates below the lead screw 10, the third arc magnet 15 adjacent to the magnesium rod 4 attracts each other, so that the third arc magnet 15 drives the arc scraping plate 18 to move on the surface of the magnesium rod 4 until the third arc magnet 15 moves above the magnesium rod 4, and similarly, when the second arc magnet 13 rotates above the lead screw 10, the fourth arc magnet 16 adjacent to the heating rod 3 attracts each other, so that the fourth arc magnet 16 drives the arc scraping plate 18 to move on the surface of the heating rod 3 until the heating rod 3 moves below the heating rod 3, therefore, as the ring 7 advances on the screw 10, the two arc-shaped scrapers 18 on the inner wall of the second annular groove 14 correspondingly advance in a rotating way, so that the surfaces of the heating rod 3 and the magnesium rod 4 are descaled.
Further, first arc magnet 12, second arc magnet 13, third arc magnet 15 and fourth arc magnet 16 all adopt neodymium magnet to make, and neodymium magnet has high temperature resistance's characteristic, can avoid the magnetism weakening of magnet under high temperature, leads to the appeal decline between the magnet, and in addition, neodymium magnet magnetic force is powerful, makes the attraction magnetic force between the magnet stronger.
In the embodiment, when the temperature of the water in the inner container 2 is heated to the abnormal temperature of the memory spring 6, the memory spring 6 extends to push the ring 7 to move on the screw rod 10, the ring 7 rotates and advances on the screw rod 10 due to the threaded connection between the ring 7 and the screw rod 10, so that the scraper ring 8 descales the inner wall of the inner container, the first arc magnet 12 and the third arc magnet 15 attract each other in opposite polarity, the second arc magnet 13 and the fourth arc magnet 16 attract each other in opposite polarity, the ring 7 rotates to drive the first arc magnet 12 and the second arc magnet 13 fixedly connected with the outer wall of the ring 7 to rotate, so as to drive the third arc magnet 15 and the fourth arc magnet 16 slidably connected with the inner wall of the second annular groove 14 to rotate, so that the arc scraper 18 fixedly connected with the spring 17 rotates and advances on the surfaces of the heating rod 3 and the magnesium rod 4, and the arc scraper 18 is always abutted against the surfaces of the heating rod 3 and the magnesium rod 4 under the action of the spring 17, make to get rid of more high-efficient to the incrustation scale on heating rod 3 and the 4 surfaces of magnesium stick, when the temperature of the interior water of inner bag 2 drops below the metamorphosis temperature of memory spring 6, memory spring 6 contracts, and pulling ring 7 is rotatory to the normal position back, drives scraping ring 8 and arc scraper blade 18 once and carries out the scale removal to inner bag 2, heating rod 3 and 4 surfaces of magnesium stick to accelerate the getting rid of the inside incrustation scale of water heater, increase the heating efficiency to cold water.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The self-descaling type intelligent household electric water heater comprises a shell (1) and a liner (2) arranged in the shell (1), wherein the inner wall of the liner (2) is symmetrically and fixedly connected with a heating rod (3) and a magnesium rod (4), and is characterized in that the inner wall of the liner (2) is fixedly connected with a cross rod (5) relative to the inner wall, the side wall of the cross rod (5) is sleeved with a circular ring (7), the inner wall of the liner (2) is fixedly connected with the side wall of the circular ring (7) through a memory spring (6), the side wall of the circular ring (7) is fixedly connected with a scraping ring (8), and the side wall of the scraping ring (8) is provided with a through hole (9) matched with the heating rod (3) and the magnesium rod (4);
the inner container (2) is fixedly connected with a lead screw (10) relative to the inner wall, the circular ring (7) is in threaded connection with the side wall of the lead screw (10), one end, far away from the inner wall of the inner container (2), of the memory spring (6) can do circular motion on the side wall of the circular ring (7), a first annular groove (11) is formed in the inner wall of the scraping ring (8), and a removing device for rotatably removing water scales on the heating rod (3) and the magnesium rod (4) is installed in the through hole (9);
the removing device comprises two arc-shaped scrapers (18), a second annular groove (14) matched with the arc-shaped scrapers (18) is formed in the inner wall of the through hole (9), a third arc-shaped magnet (15) and a fourth arc-shaped magnet (16) are connected to the inner wall of the second annular groove (14) in a sliding mode, the third arc-shaped magnet (15) and the fourth arc-shaped magnet (16) repel each other in the same polarity, one sides, far away from the inner wall of the second annular groove (14), of the third arc-shaped magnet (15) and the fourth arc-shaped magnet (16) are fixedly connected with the arc-shaped scrapers (18) through springs (17), the first arc-shaped magnet (12) and the third arc-shaped magnet (15) attract each other in opposite polarity, and the second arc-shaped magnet (13) and the fourth arc-shaped magnet (16) attract each other in opposite polarity; when the temperature of water in the inner container (2) is heated to the metamorphosis temperature of the memory spring (6), the memory spring (6) extends to push the ring (7) to move on the lead screw (10), the ring (7) rotationally advances on the lead screw (10) due to the threaded connection of the ring (7) and the lead screw (10), so that the inner wall of the inner container is descaled by the scraping ring (8), the first arc magnet (12) and the third arc magnet (15) are attracted in opposite polarities, the second arc magnet (13) and the fourth arc magnet (16) are attracted in opposite polarities, the ring (7) rotationally drives the first arc magnet (12) and the second arc magnet (13) which are fixedly connected with the outer wall of the ring (7) to rotate, so as to drive the third arc magnet (15) and the fourth arc magnet (16) which are slidably connected with the inner wall of the second annular groove (14) to rotate, and the arc scraper (18) which is fixedly connected with the spring (17) rotationally advances before the surfaces of the heating rod (3) and the magnesium rod (4), and arc scraper blade (18) offsets with heating rod (3) and magnesium stick (4) surface all the time under the effect of spring (17), it is more high-efficient to make to get rid of the incrustation scale on heating rod (3) and magnesium stick (4) surface, when the temperature of water in inner bag (2) drops to below memory spring (6) abnormal temperature, memory spring (6) shrink, pulling ring (7) are rotatory to the normal position, it once more to inner bag (2) to drive scraping ring (8) and arc scraper blade (18), heating rod (3) and magnesium stick (4) surface are descaled, thereby accelerate the getting rid of the inside incrustation scale of water heater, increase the heating efficiency to cold water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266285.2A CN111059756B (en) | 2019-12-11 | 2019-12-11 | From descaling type intelligence electric water heater for house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266285.2A CN111059756B (en) | 2019-12-11 | 2019-12-11 | From descaling type intelligence electric water heater for house |
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| Publication Number | Publication Date |
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| CN111059756A CN111059756A (en) | 2020-04-24 |
| CN111059756B true CN111059756B (en) | 2021-11-19 |
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| CN201911266285.2A Active CN111059756B (en) | 2019-12-11 | 2019-12-11 | From descaling type intelligence electric water heater for house |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833547B (en) * | 2020-12-18 | 2023-04-18 | 青岛海尔新能源电器有限公司 | Self-cleaning device of water heater and water heater |
| CN112577195A (en) * | 2021-01-12 | 2021-03-30 | 广州百满针家居有限公司 | Water heater device capable of automatically cleaning magnesium rod and automatically discharging sewage |
| CN112577196A (en) * | 2021-01-12 | 2021-03-30 | 广州百满针家居有限公司 | Water heater capable of automatically descaling and discharging sewage and having magnesium rod monitoring function |
| CN113154670B (en) * | 2021-04-01 | 2023-01-03 | 台州市迪欧电器有限公司 | Intelligence constant voltage constant temperature water heater for house |
| CN113776193B (en) * | 2021-11-02 | 2022-02-11 | 杭州重红科技有限公司 | Horizontal water heater |
| CN114395001B (en) * | 2021-12-17 | 2023-11-03 | 江苏万淇生物科技股份有限公司 | Preparation method of continuous efficient green surfactant |
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| CN108826661A (en) * | 2018-06-11 | 2018-11-16 | 岳广琴 | A kind of water heater with self-cleaning heat-insulating internal container and heating rod scale function |
| CN109595818A (en) * | 2018-11-19 | 2019-04-09 | 夏柱飞 | A kind of water heater with self-cleaning heat-insulating internal container and heating rod scale function |
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| CN101658847A (en) * | 2008-08-29 | 2010-03-03 | 北京助兴隆科贸有限公司 | Self-acting device for automatically removing dust on light receiving surface of solar product |
| US20160280458A1 (en) * | 2013-05-06 | 2016-09-29 | Spokane Industries | Self-Cleaning Tank |
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| CN111059756A (en) | 2020-04-24 |
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