CN108175290B - Water supply and drainage system and steam heating cooking device - Google Patents
Water supply and drainage system and steam heating cooking device Download PDFInfo
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- CN108175290B CN108175290B CN201810180967.0A CN201810180967A CN108175290B CN 108175290 B CN108175290 B CN 108175290B CN 201810180967 A CN201810180967 A CN 201810180967A CN 108175290 B CN108175290 B CN 108175290B
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- pipeline
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- steam
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 423
- 238000010438 heat treatment Methods 0.000 title claims abstract description 52
- 238000010411 cooking Methods 0.000 title claims abstract description 15
- 238000000926 separation method Methods 0.000 claims description 27
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000000243 solution Substances 0.000 description 19
- 238000004140 cleaning Methods 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010025 steaming Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/42—Devices to prevent deposition of scale, i.e. fur, or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Devices For Medical Bathing And Washing (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention provides a water supply and drainage system and a steam heating cooking device, which relate to the technical field of kitchen appliances, wherein the water supply and drainage system comprises a water tank, a steam generator, a water supply pump, a water return pump and a water level control device for controlling the water level in the steam generator, the water tank is provided with a water outlet and a water return port, the water outlet is communicated with a first pipeline, the water return port is communicated with a second pipeline, and the first pipeline and the second pipeline are both communicated with a main pipeline; the water supply pump is arranged on the first pipeline, the water return pump is arranged on the second pipeline, and the steam generator is arranged on the main pipeline; a backwater filter screen is fixedly arranged in the water tank, and divides the inner cavity of the water tank into a water supply area and a backwater area; the water pumped back by the water return pump enters the water return area from the water return port and then enters the water supply area through the water return filter screen. The steam heating cooking device is provided with the water supply and drainage system. The water supply and drainage system and the steam heating device relieve the problem that the scale adsorbed on the inner walls of the steam generator, the pipeline and the like is inconvenient to clean.
Description
Technical Field
The invention relates to the technical field of kitchen appliances, in particular to a water supply and drainage system and a steam heating cooking device.
Background
With the improvement of the living standard of people, more and more kitchen appliances start to enter the lives of people, wherein the kitchen appliances comprise a steam oven and a steaming and baking integrated machine.
In the prior art, steam heating products such as a steam furnace, a steaming and baking integrated machine and the like generally heat water through a steam generator so as to generate continuous steam, and heat food in the liner by utilizing the generated steam. The water contains a certain amount of calcium ions, and in the process of heating the water by the steam generator, the calcium ions in the water react with carbon dioxide in the air to generate calcium carbonate, and the generated calcium carbonate is adsorbed on the inner walls of the steam generator, the pipeline and the like to form scale. Scale accumulates to some extent and if it is not cleaned periodically or cleanly, there are the following hidden troubles: on the one hand, scale adsorbed on the inner walls of the steam generator, the pipeline and the like can become a warm bed for breeding bacteria, pollute the water in the pipeline, and thus bring adverse effects to the physical health of users; on the other hand, scale adsorbed on the inner wall of the steam generator thickens the inner wall of the steam generator, and affects heat conduction of the steam generator, thereby reducing heat efficiency of the steam generator.
Because the scale is adsorbed on the inner walls of the steam generator, the pipeline and the like, the cleaning can be performed only by disassembling the machine shell and disassembling the pipeline parts, which brings great inconvenience to the cleaning work of users. There is no simple and effective means for solving the above problems.
Disclosure of Invention
A first object of the present invention is to provide a water supply and drainage system, which alleviates the technical problem of inconvenient cleaning of scale adsorbed on the inner walls of a steam generator, a pipeline, etc. in the prior art.
The water supply and drainage system is used in a steam heating device and comprises a water tank, a steam generator, a water supply pump, a water return pump and a water level control device for controlling the water level in the steam generator, wherein a water outlet and a water return port are arranged on the water tank, the water outlet is communicated with a first pipeline, the water return port is communicated with a second pipeline, and the first pipeline and the second pipeline are both communicated with a main pipeline; the water supply pump is arranged on the first pipeline, the water return pump is arranged on the second pipeline, and the steam generator is arranged on the main pipeline; the steam generator is used for conveying steam into the liner of the steam heating device;
A backwater filter screen is fixedly arranged in the water tank, and divides the inner cavity of the water tank into a water supply area and a backwater area; and water pumped back by the water return pump enters the water return area from the water return port, and then enters the water supply area through the water return filter screen.
Further, the water return port is arranged on the side wall of the water tank.
Further, the water tank also comprises a water supply filter screen, wherein the water supply filter screen is fixedly arranged in the water tank and is positioned at one side of the backwater filter screen, which is far away from the backwater port; the water supply filter screen divides the water supply area into a first water supply area and a second water supply area, the second water supply area is adjacent to the water return area, and the water outlet is communicated with the second water supply area.
Further, the water level control device comprises a water level control assembly, and the steam generator and the water level control assembly are vertically arranged;
the main pipeline comprises a vertical section and a horizontal section, the bottom end of the steam generator and the bottom end of the water level control assembly are communicated with the horizontal section, and the water level control assembly is used for detecting the water level in the steam generator.
Further, a water level balance pipe is arranged at the top of the water level control assembly in a communicated mode, and the water level balance pipe is communicated with the inner container of the steam heating device.
Further, the steam generator also comprises a water-gas separation component which is vertically arranged and communicated with the horizontal section, the top of the steam generator is communicated with the top of the water-gas separation component, and steam generated by the steam generator enters the liner of the steam heating device through the water-gas separation component.
Further, the top of the water tank is provided with a water injection port capable of being opened and closed.
Further, the steam heating device further comprises a water tank mounting bracket, and the water tank is arranged in the steam heating device through the water tank mounting bracket.
Compared with the prior art, the water supply and drainage system provided by the invention has the beneficial effects that:
When the steam heating device is provided with the water supply and drainage system provided by the invention, the descaling agent and the water are added into the water supply area of the water tank, after the descaling agent is mixed with the water, a certain amount of water solution mixed with the descaling agent is conveyed into the first pipeline, the main pipeline and the steam generator through the water supply pump, the steam generator works, steam generated by the steam generator can exchange heat with water in the pipeline, the temperature of the water in the pipeline is increased, the water in the pipeline is changed into warm water, and the pipeline and the steam generator are soaked in the warm water, so that the descaling agent can exert better descaling effect. The water pump then transmits a certain amount of water mixed with the scale remover in the water supply area to the pipeline and the steam generator, then the water return pump works, the water solution mixed with the scale in the pipeline and the steam generator is pumped back to the water return area, and the water solution in the water return area is filtered by the water return filter screen and then returns to the water supply area, so that the primary cleaning of the scale on the inner walls of the steam generator, the pipeline and the like is completed. The scale in the water supply and drainage system can be removed by repeating the process.
Therefore, the water supply and drainage system can clean the scale on the inner walls of the steam generator, the pipeline and the like without disassembling the machine shell and separating the parts of the pipeline and the like, so that the scale on the inner walls of the steam generator, the pipeline and the like can be cleaned more conveniently.
In addition, set firmly the return water filter screen in the water tank just to return water mouth department, separate the inner chamber of water tank into water supply region and return water region through the return water filter screen, return water region is filtered through the return water filter screen after the return water mouth gets into the return water region through the return water pump back to the water supply region, and the return water filter screen can intercept impurity (for example big granule or massive incrustation scale) that mixes in the aqueous solution in the return water region, avoids impurity reentrant pipeline and steam generator in.
A second object of the present invention is to provide a steam heating cooking apparatus, which can solve the technical problem that the scale adsorbed on the inner wall of the steam generator and the pipeline in the prior art is inconvenient to clean.
The steam heating cooking device provided by the invention is provided with the water supply and drainage system.
Further, the steam heating cooking device is a steam oven, a steaming and baking integrated machine or a microwave steaming and baking integrated machine.
The steam heating cooking device provided by the invention can achieve the beneficial effects achieved by the water supply and drainage system, so that the description is omitted here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a water supply and drainage system according to a first embodiment of the present invention;
fig. 2 is a schematic perspective view of another water supply and drainage system according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a water tank in a water supply and drainage system according to a first embodiment of the present invention;
Fig. 4 is a schematic structural diagram of another water tank in the water supply and drainage system according to the first embodiment of the present invention.
Icon: 1-a water tank; 2-a steam generator; 3-a water supply pump; 4-a water return pump; 5-a first pipeline; 6-a second pipeline; 7-a main pipeline; 8-a water level control assembly; 9-a water-gas separation assembly; 101-a water outlet; 102-a water return port; 103-a backwater filter screen; 104-a water supply filter screen; 105-water filling port; 801-water level balance pipe.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "upright", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1 and 2, the water supply and drainage system provided in this embodiment is used in a steam heating device, and includes a water tank 1, a steam generator 2, a water supply pump 3, a water return pump 4, and a water level control device for controlling the water level in the steam generator 2, where the water tank 1 is provided with a water outlet 101 and a water return port 102, the water outlet 101 is communicated with a first pipeline 5, the water return port 102 is communicated with a second pipeline 6, and both the first pipeline 5 and the second pipeline 6 are communicated with a main pipeline 7. The water supply pump 3 is arranged on the first pipeline 5, the water return pump 4 is arranged on the second pipeline 6, and the steam generator 2 is arranged on the main pipeline 7. The steam generator 2 is used for delivering steam into the inner container of the steam heating device. A backwater filter screen 103 is fixedly arranged in the water tank 1, and the backwater filter screen 103 divides the inner cavity of the water tank 1 into a water supply area and a backwater area. The water pumped back by the water return pump 4 enters the water return area through the water return port 102, and then enters the water supply area through the water return filter screen 103. The water level control device may be realized by connecting a flow meter or a water level detecting element with the control system, the flow meter may be disposed on the water inlet pipe of the steam generator 2, and the water level detecting element may be disposed on the steam generator 2 or on a communicating vessel having the same height as the liquid level of the steam generator 2.
When the steam heating device is provided with the water supply and drainage system provided by the embodiment, in the normal steam heating process, the water supply pump 3 supplies water to the steam generator 2, and after the specified height is reached, the steam generator 2 works to generate steam and convey the steam into the liner of the steam heating device, and the generated scale is partially deposited at the bottom of the steam generator 2. When the scale is required to be removed, a scale remover and water are added into the water supply area of the water tank 1, after the scale remover is mixed with the water, a certain amount of water solution mixed with the scale remover is conveyed into the first pipeline 5, the main pipeline 7 and the steam generator 2 through the water supply pump 3, the water level control device controls the water level in the steam generator 2, when the water level in the steam generator 2 reaches the set control height or reaches the set water amount, the water supply pump 3 stops supplying water, the steam generator 2 works, steam generated by the steam generator 2 can exchange heat with water in the pipeline, the temperature of the water in the pipeline is increased, the water in the pipeline is changed into warm water, the pipeline and the steam generator 2 are soaked in the warm water, and the scale remover can play a better scale removing effect. With the reduction of water in the pipeline, the steam generator 2 stops working, the water supply pump 3 conveys a certain amount of water solution mixed with the scale remover in the water supply area to the pipeline and the steam generator 2, then the water return pump 4 works to pump the water solution mixed with the scale in the pipeline and the steam generator 2 back to the water return area, and the water solution in the water return area returns to the water supply area after being filtered by the water return filter screen 103, so that the primary cleaning of the scale on the inner walls of the steam generator 2, the pipeline and the like is completed. The scale in the water supply and drainage system can be removed by repeating the process.
It can be seen that, the steam heating device provided with the water supply and drainage system provided by this embodiment, the water supply and drainage system itself can be cleaned up the scale on the inner wall of the steam generator 2 and the pipeline, etc., without disassembling the machine shell, and disassembling the parts of the pipeline, etc., so that the cleaning of the scale on the inner wall of the steam generator 2 and the pipeline, etc. is simpler and more convenient, and the heating effect and the working efficiency of the steam heating device are kept constant.
In addition, a backwater filter screen 103 is fixedly arranged in the water tank 1 opposite to the backwater port 102, the inner cavity of the water tank 1 is divided into a water supply area and a backwater area through the backwater filter screen 103, water solution pumped back by the backwater pump 4 enters the backwater area from the backwater port 102 and then returns to the water supply area after being filtered by the backwater filter screen 103, and the backwater filter screen 103 can intercept impurities (such as large particles or blocky scale) mixed in the water solution in the backwater area, so that the impurities are prevented from entering the pipeline and the steam generator 2 again.
After repeating the above-mentioned washing process and cleaning the scale adsorbed on the pipeline and the inner wall of the steam generator 2, the water in the water tank 1 can be discharged, the water tank 1, especially the water return area, is washed with clean water, then clean water is injected into the water supply area, the operation of scale removal is repeated, the clean water in the water tank 1 is repeatedly washed, the scale removal residual liquid remained in the pipeline and the steam generator 2 can be cleaned, and the scale removal residual liquid remained in the water supply and drainage system is prevented from affecting the physical health of the user.
Specifically, the scale remover can be the existing scale remover special for removing calcium carbonate scale on the market, and can also be white vinegar. When the water added to the water tank 1 is warm water, the descaling effect is better.
The water supply pump 3 and the water return pump 4 can be arranged on the steam heating device through rubber mounting seats.
The water supply pump 3 and the water return pump 4 are arranged on the steam heating device through the rubber mounting seat, so that vibration of the water supply and drainage system in the working process can be reduced.
Specifically, as shown in fig. 3 and 4, in the present embodiment, the return port 102 may be provided on a side wall of the water tank 1.
The water tank 1 may be rectangular, and the water outlet 101 and the water return port 102 may be disposed on the same side wall of the rectangular water tank 1.
In this embodiment, the water supply and drainage system may further include a water supply filter screen 104, where the water supply filter screen 104 is fixedly disposed in the water tank 1 and is located at a side of the water return filter screen 103 away from the water return port 102. The water supply filter 104 divides the water supply area into a first water supply area and a second water supply area adjacent to the return water area, and the water outlet 101 communicates with the second water supply area.
The water supply filter screen 104 is fixedly arranged on one side, far away from the water return port 102, of the water tank 1, the water supply filter screen 104 divides a water supply area into a first water supply area and a second water supply area adjacent to the water return area, the descaling agent and water are added into the first water supply area, the water solution mixed with the descaling agent can enter the second water supply area after being filtered by the water supply filter screen 104, and the water supply filter screen 104 can intercept large-particle impurities and the like in the water solution mixed with the descaling agent, so that the water medium in the second water supply area is purer, and the possibility that the water solution mixed with the descaling agent and entering a pipeline, a steam generator 2 and the like blocks a water supply pump 3, the pipeline, the steam generator 2 and the like can be reduced.
In this embodiment, in the water supply and drainage system, the water level control device may further include a water level control assembly 8, where the steam generator 2 and the water level control assembly 8 are both vertically disposed.
The main pipeline 7 comprises a vertical section and a horizontal section, the bottom end of the steam generator 2 and the bottom end of the water level control assembly 8 are both communicated with the horizontal section, the water level control assembly 8 is used for detecting the water level in the steam generator 2, namely, the water level control assembly 8 is provided with a highest water level sensing detection element and a lowest water level sensing detection element, the water level sensing detection element is used for being connected with a controller, and the controller is used for controlling the water pump to supply water or stopping supplying water after knowing a water level signal. The water level control assembly 8 is arranged to prevent high-temperature water in the steam generator 2 from being directly pumped back by the water return pump 4, but the high-temperature water is mixed with low-temperature water of the water level control assembly 8 to be cooled and then passes through the water return pump 4, so that the thermal shock of the high-temperature water to the water return pump 4 is reduced, and the reliability and the service life of the water return pump 4 are improved.
When the water supply and drainage system is arranged in the steam heating device, the steam generator 2, the water supply pump 3, the water return pump 4 and the water level control assembly 8 can be connected with a controller of the steam heating device, the steam generator 2 and the water level control assembly 8 are all vertically arranged, and the bottom end of the steam generator 2 and the bottom end of the water level control assembly 8 are communicated with the horizontal section of the main pipeline 7, so that the water level in the water level control assembly 8 is consistent with the water level in the steam generator 2, and the water level in the water level control assembly 8 can be used for reacting with the water level in the steam generator 2.
When the water level control component 8 detects a low water level, the water level control component 8 can send a signal to the controller of the steam heating device, after the controller receives the signal, the steam generator 2 is controlled to stop working, meanwhile, the water supply pump 3 is controlled to convey a certain amount of water solution mixed with the descaling agent in the water supply area into the pipeline, the water level control component 8 and the steam generator 2, after the water level control component 8 detects a high water level, the controller sends a signal to the controller again, the controller controls the water supply pump 3 to stop working, meanwhile, the water return pump 4 is controlled to start, the water solution mixed with the fouling in the pipeline and the steam generator 2 is pumped back to the water return area by the water return pump 4, the water solution in the water return area returns to the water supply area after being filtered by the water return filter screen 103, and is a working cycle, the process is repeated, the pipeline, the water level control component 8, the water-air separation component 9 and the steam generator 2 are continuously softened and dissolved, the impurities are repeatedly filtered by the water return filter screen 103 after the water return pump 4 is circulated for a certain times, and the scale in the pipeline, the water level control component 8, the water-air separation component 9 and the steam generator 2 are cleaned.
In the prior art, any structure capable of realizing the water level detection function and sending a corresponding signal to the controller can be used as the water level control assembly 8 pointed by the present embodiment.
Further, a cleaning button may be provided on the control panel of the steam heating device, and after a certain amount of detergent and a certain amount of water are injected into the water tank 1, the cleaning button and the water supply and drainage system are started to clean the pipeline, the steam generator 2 and other scale. By repeated soaking and flushing of the aqueous solution mixed with the descaling agent, the scale is gradually softened, dissolved and flushed away, thereby achieving the purpose of thoroughly clearing the scale in the pipeline and the steam generator 2.
In this embodiment, the top of the water level control assembly 8 may be provided with a water level balancing pipe 801, and the water level balancing pipe 801 is communicated with the inner container of the steam heating device.
The top of the water level control assembly 8 is communicated with a water level balance pipe 801, and the water level balance pipe 801 is communicated with the inner container of the steam heating device, so that the influence of negative pressure can be eliminated, and the water level inside the water level control assembly 8 is consistent with the water level in the steam generator 2.
In this embodiment, the water supply and drainage system may further include a water-gas separation assembly 9 vertically disposed and communicated with the horizontal section, the top of the steam generator 2 is communicated with the top of the water-gas separation assembly 9, and steam generated by the steam generator 2 enters the inner container of the steam heating device through the water-gas separation assembly 9.
The water supply and drainage system comprises a water-gas separation assembly 9 which is vertically arranged and is communicated with the horizontal section, the top of the steam generator 2 is communicated with the top of the water-gas separation assembly 9, steam generated by the steam generator 2 enters the inner container of the steam heating device through the water-gas separation assembly 9, and water separated from the steam returns to the main pipeline 7, so that on one hand, the water-gas separation assembly 9 can realize water-gas separation of the water steam output by the steam generator 2 to a certain extent, and the quantity of water carried by the steam in the inner container of the steam heating device is reduced; on the other hand, the water separated by the water-gas separation assembly 9 falls back into the main pipeline 7, and can exchange heat with the water solution in the main pipeline 7, so that the temperature of the water solution in the main pipeline 7, the first pipeline 5 and the second pipeline 6 is increased, and the descaling agent can exert better descaling effect.
Specifically, the water-gas separation assembly 9 may include a separation kettle provided with a cavity and a separation net fixedly arranged in an inner cavity of the separation kettle, wherein one end of the separation kettle is communicated with the steam generator 2 and the inner container of the steam heating device, and the other end of the separation kettle is communicated with the main pipeline 7.
The separation kettle can include the kettle body and with last kettle body detachable fixed connection's lower kettle body, the separation net sets firmly in the junction of last kettle body and lower kettle body, goes up the kettle body and keeps away from the one end of lower kettle body and communicates with steam generator 2 and steam heating device's inner bag, and the kettle body is kept away from the one end of last kettle body and main line 7 intercommunication down.
The cross-sectional shape of the separation pot may be circular.
In this embodiment, the top of the water tank 1 may be provided with a water filling port 105 that can be opened and closed.
A water filling port 105 which can be opened and closed is arranged at the top of the water tank 1, so that water and a scale remover can be conveniently added into the water tank 1.
In this embodiment, the water supply and drainage system may further include a water tank mounting bracket, where the water tank 1 is detachably and fixedly connected to the water tank mounting bracket, and is disposed in the steam heating device through the water tank mounting bracket.
Example two
The steam heating cooking device provided in this embodiment is provided with the water supply and drainage system and the control system provided in the first embodiment, and the control system is respectively connected with the water supply pump 3, the water return pump 4, the steam generator 2 and the water level control device.
The steam heating cooking device that this embodiment provided is provided with the water supply and drainage system that embodiment one provided, and water supply and drainage system itself can be with the incrustation scale sanitization on the inner wall of steam generator 2 and pipeline etc. and need not to disassemble machine shell again, and spare parts such as partition pipeline for the clearance of incrustation scale on the inner wall of steam generator 2 and pipeline etc. is more convenient.
Specifically, in this embodiment, the steam heating cooking device may be a steam oven, a steaming and baking integrated machine, or a microwave oven integrated machine.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. The utility model provides a water supply and drainage system for among steam heating device, its characterized in that includes water tank (1), steam generator (2), working shaft (3), return water pump (4) and the water level control device who controls the interior water level of steam generator (2), be provided with delivery port (101) and return water mouth (102) on water tank (1), delivery port (101) are linked together with first pipeline (5), return water mouth (102) are linked together with second pipeline (6), first pipeline (5) and second pipeline (6) all are linked together with main pipeline (7); the water supply pump (3) is arranged on the first pipeline (5), the water return pump (4) is arranged on the second pipeline (6), and the steam generator (2) is arranged on the main pipeline (7); the steam generator (2) is used for conveying steam into the liner of the steam heating device;
A backwater filter screen (103) is fixedly arranged in the water tank (1), and the backwater filter screen (103) divides the inner cavity of the water tank (1) into a water supply area and a backwater area; the water pumped back by the water return pump (4) enters the water return area through the water return port (102) and then enters the water supply area through the water return filter screen (103);
The water supply pump (3) is used for conveying the water solution mixed with the descaling agent to the first pipeline (5), the main pipeline (7) and the steam generator (2), the water level control device is used for controlling the water level in the steam generator (2), when the water level in the steam generator (2) reaches the set control level or reaches the set water amount, the water supply pump (3) stops supplying water, the steam generator (2) works, and steam generated by the steam generator (2) can exchange heat with water in the pipeline, so that the temperature of the water in the pipeline rises to be changed into warm water to soak the pipeline and the steam generator (2).
2. The water supply and drainage system according to claim 1, characterized in that the return water port (102) is provided on a side wall of the water tank (1).
3. The water supply and drainage system according to claim 2, further comprising a water supply filter screen (104), wherein the water supply filter screen (104) is fixedly arranged in the water tank (1) and is positioned at one side of the water return filter screen (103) away from the water return port (102); the water supply filter screen (104) divides the water supply area into a first water supply area and a second water supply area, the second water supply area is adjacent to the water return area, and the water outlet (101) is communicated with the second water supply area.
4. A water supply and drainage system according to claim 1, characterized in that the water level control means comprises a water level control assembly (8), the steam generator (2) and the water level control assembly (8) being arranged vertically;
The main pipeline (7) comprises a vertical section and a horizontal section, the bottom end of the steam generator (2) and the bottom end of the water level control assembly (8) are communicated with the horizontal section, and the water level control assembly (8) is used for detecting the water level in the steam generator (2).
5. The water supply and drainage system according to claim 4, wherein a water level balance pipe (801) is arranged at the top of the water level control assembly (8) in a communicated manner, and the water level balance pipe (801) is communicated with a liner of the steam heating device.
6. The water supply and drainage system according to claim 4, further comprising a water-gas separation assembly (9) which is vertically arranged and communicated with the horizontal section, wherein the top of the steam generator (2) is communicated with the top of the water-gas separation assembly (9), and steam generated by the steam generator (2) enters the inner container of the steam heating device through the water-gas separation assembly (9).
7. A water supply and drainage system according to any of claims 1-6, characterized in that the top of the water tank (1) is provided with a water filling opening (105) which can be opened and closed.
8. A water supply and drainage system according to any of claims 1-6, further comprising a tank mounting bracket by means of which the tank (1) is arranged in the steam heating device.
9. A steam heating cooking device characterized in that a water supply and drainage system according to any one of claims 1-8 is provided.
10. The steam heating cooking device of claim 9, wherein the steam heating cooking device is a steam oven or a microwave oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810180967.0A CN108175290B (en) | 2018-03-05 | 2018-03-05 | Water supply and drainage system and steam heating cooking device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810180967.0A CN108175290B (en) | 2018-03-05 | 2018-03-05 | Water supply and drainage system and steam heating cooking device |
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| CN108175290A CN108175290A (en) | 2018-06-19 |
| CN108175290B true CN108175290B (en) | 2024-07-23 |
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| CN201810180967.0A Active CN108175290B (en) | 2018-03-05 | 2018-03-05 | Water supply and drainage system and steam heating cooking device |
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| CN109077605A (en) * | 2018-10-16 | 2018-12-25 | 樱花卫厨（中国）股份有限公司 | Steam-heating system |
| CN111166157B (en) * | 2018-11-13 | 2022-04-15 | 宁波方太厨具有限公司 | Steam box and cleaning method thereof |
| CN109875387A (en) * | 2019-03-12 | 2019-06-14 | 杭州老板电器股份有限公司 | Water supply unit and steam cooking device |
| CN110169710B (en) * | 2019-06-28 | 2024-06-14 | 杭州老板电器股份有限公司 | Water supply assembly and steam cooking utensil |
| CN110522328B (en) * | 2019-08-23 | 2021-11-09 | 珠海优特智厨科技有限公司 | Motor control method and device, seasoning machine and automatic cooker |
| CN111616585B (en) * | 2020-05-09 | 2021-10-29 | 宁波方太厨具有限公司 | Waterway structure and steaming cooking device with same |
| CN114052514A (en) * | 2020-07-31 | 2022-02-18 | 宁波方太厨具有限公司 | Steam exhaust structure for cooking device and cooking device with same |
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