CN114343530B - Basin dish washer and cleaning method - Google Patents
Basin dish washer and cleaning method Download PDFInfo
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- CN114343530B CN114343530B CN202111514342.1A CN202111514342A CN114343530B CN 114343530 B CN114343530 B CN 114343530B CN 202111514342 A CN202111514342 A CN 202111514342A CN 114343530 B CN114343530 B CN 114343530B
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention provides a sink dish washer and a cleaning method, which belongs to the technical field of dish washers and comprises the following steps: the water inlet water storage tank is arranged on the tank wall of the washing tank, the water inlet end of the water inlet water storage tank is provided with a water inlet valve and is connected with a municipal waterway through a pipeline, and the water outlet end of the water inlet water storage tank is provided with a water outlet valve and a flowmeter; the heating and washing assembly is arranged on the bottom of the washing tank and is communicated with the water outlet valve through a pipeline. According to the invention, the water inlet storage tank is arranged outside the washing tank and is used as a water storage space of a water body, so that when tableware is washed, the original heating from municipal water temperature to washing temperature is changed into the heating from indoor temperature to washing temperature, thereby reducing the temperature difference and reducing the output of energy consumption.
Description
Technical Field
The invention belongs to the technical field of dish washing machines, and relates to a water tank dish washing machine and a washing method.
Background
With the improvement of the living standard of people and the advancement of science and technology, whether various consumer products are energy-saving, environment-friendly and low-carbon is more and more concerned by consumers. The energy consumption value of products in the dish washer industry is reduced again and again in recent years, and innovation points of various brands are spread around how to reduce the power consumption. The energy consumption of the dish washer is mainly that the water temperature in the municipal waterway is required to be increased to the washing temperature, and the temperature difference between the temperature of the municipal waterway and the washing temperature is larger, so that more energy consumption is required.
Disclosure of Invention
The invention aims at solving the problems in the prior art and provides a dish washer capable of reducing temperature difference and energy consumption.
The aim of the invention can be achieved by the following technical scheme: a sink dishwasher, comprising:
the water inlet water storage tank is arranged on the tank wall of the washing tank, the water inlet end of the water inlet water storage tank is provided with a water inlet valve and is connected with a municipal waterway through a pipeline, and the water outlet end of the water inlet water storage tank is provided with a water outlet valve and a flowmeter;
the heating and washing assembly is arranged on the bottom of the washing tank and is communicated with the water outlet valve through a pipeline.
In the sink dishwasher, the water inlet end of the water inlet storage tank is provided with the first water inlet pipe in a U shape, wherein the water inlet valve is connected to one side of the opening end of the first water inlet pipe.
In the water tank dish washer, a gap is reserved between the tank wall of the water inlet storage tank and the tank wall of the washing tank.
In the sink dishwasher, the gap formed between the wall of the water inlet storage tank and the wall of the washing tank is realized by arranging the isolating strip on the wall of the water inlet storage tank.
In the water tank dish washer, the water level sensor is arranged on the water inlet storage tank and is flush with the closed end of the first water inlet pipe.
In the sink dishwasher, the water draining storage tank is arranged on the washing tank, the tank wall of the water draining storage tank is attached to the tank bottom of the washing tank, wherein the water inlet end of the water draining storage tank is connected with the water draining pump arranged at the tank bottom of the washing tank through a pipeline, and the water outlet end of the water draining storage tank is provided with a water draining valve and is communicated with the sewer pipeline through a pipeline.
In the water tank dish washer, the water draining storage tank is arranged in an L shape, wherein one side of the water draining storage tank is attached to the bottom of the washing tank, the other side of the water draining storage tank is attached to the wall of the washing tank, and the water draining storage tank attached to the wall of the washing tank is located below the water inlet storage tank.
In the above-mentioned basin dish washer, the water inlet end of drainage storage water tank is provided with the drainage check valve, and the water inlet end of drainage storage water tank is provided with the second inlet tube that is the U type, and wherein, the drainage check valve sets up in one side of second inlet tube open end, and the blind end of second inlet tube is provided with the interior ventilative exhaust hole that is linked together with the washing tank and the outer ventilative exhaust hole that is linked together with external atmosphere.
In the sink dishwasher, the water inlet water storage tank is provided with the convex part which is communicated with the water inlet water storage tank, wherein the convex part is in abutting fit with the wall of the washing sink.
The invention also provides a cleaning method of the sink dishwasher, comprising the following steps:
detecting the temperature of water in a water inlet storage tank, and if the temperature of the water is lower than 5 ℃, emptying the water in the water inlet storage tank and a water outlet storage tank; if the temperature of the water body is higher than 5 ℃, entering a step two;
step two, detecting whether the water level in the water inlet storage tank reaches a preset water level or not through a water level sensor, if the water level does not reach the preset water level, starting a water inlet valve, introducing water in the municipal waterway into the water inlet storage tank until the water level reaches the preset water level, and if the water level reaches the preset water level, entering a step three;
step three, starting a heating and washing assembly, opening a water outlet valve, heating the water consumption required by the first stage of the tableware to a washing temperature through a pipeline by the heating and washing assembly, and circularly cleaning the tableware in a washing tank by using the water body of the stage;
step four, after the tableware is cleaned in the first stage, a washing pump and a drainage check valve are started, and washing water generated after the first stage washing is discharged into a drainage water storage tank;
step five, the water outlet valve is opened again, so that the second stage of cleaning of the tableware is realized, and the water body in the second stage can judge whether to start the heating and washing assembly according to the self requirement of a user;
step six, after the tableware is cleaned in the second stage, a washing pump and a drainage check valve are started, and washing water generated after the second stage washing is discharged into a drainage water storage tank;
step seven, repeating the step five and the step six until the tableware is washed;
step eight, when the tableware is washed, opening the water inlet valve again, communicating the municipal waterway, reintroducing the water in the municipal waterway into the water inlet water storage tank, and storing the water generated after the tableware is washed into the water drainage water storage tank;
and step nine, realizing drying treatment in the washing tank through heat exchange between the drainage water storage tank and the washing tank, realizing dehumidification treatment in the washing tank through cold exchange between the water inlet water storage tank and the washing tank, and after drying and dehumidification are finished, starting a drainage valve to drain water in the drainage water storage tank into a sewer pipeline.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the sink dish washer provided by the invention, the water inlet storage tank is arranged outside the washing sink and is used as the water storage space of the water body, so that the original heating from municipal water temperature to washing temperature can be changed into the heating from indoor temperature to washing temperature during dish washing, the temperature difference is reduced, and the output of energy consumption is reduced.
(2) The first water inlet pipe of the water inlet end of the water inlet storage tank is of a U-shaped structure, when the municipal waterway is in water cut-off, water in the water inlet storage tank cannot flow back to the pipeline, and the reliability of the water storage of the water inlet storage tank is guaranteed.
(3) The gap is formed between the wall of the water inlet storage tank and the wall of the washing tank so as to avoid heat conduction, and because the water body is higher in washing temperature when being used for washing tableware, the temperature in the washing tank is higher, if the wall of the water inlet storage tank is attached to the wall of the washing tank, heat in the washing tank can be transferred to the water inlet storage tank through heat conduction, heat loss is caused, and the washing effect is affected.
(4) The water temperature in the water draining storage tank is transferred into the washing tank in a heat conduction mode as a heat energy source for tableware drying, compared with the prior art, the water draining storage tank directly drains the washing water into a sewer pipe, thereby improving the utilization rate of energy and further reducing energy consumption.
(5) The water draining and storing tank is L-shaped, so that the contact area between the water draining and storing tank and the washing tank is increased, the efficiency of tableware during drying is improved, and in addition, the water storing capacity of the water draining and storing tank with the L-shaped structure can be increased, so that more heat energy is provided.
(6) The second inlet tube setting of the water inlet end of the drainage water storage tank is of a U-shaped structure and is matched with the drainage check valve, backflow of water is further prevented, in addition, the water inlet end of the drainage water storage tank is of a U-shaped structure, a siphon phenomenon can be formed at the water inlet end, water in a pipeline between the drainage check valve and the drainage pump enters the drainage water storage tank as much as possible, and residual water in the pipeline is avoided.
(7) Through setting up the convex part, and just be the cooperation of supporting between convex part and the washing tank cell wall, form cold exchange between the cell wall of water storage tank and the washing tank this moment for steam "meeting cold" in the washing tank space condenses, forms the comdenstion water, reduces the humidity in the washing tank from this, reaches the effect of dehumidification, and in addition, the heat in the washing tank also can be back-fed in water storage tank that intakes, makes the temperature in the water storage tank that intakes rise, further reduces the heating difference in temperature for the time of the tableware washs next time, further reduces the energy consumption.
Drawings
Fig. 1 is a schematic view of a sump dishwasher according to the present invention.
Fig. 2 is a partial schematic view of a sink dishwasher of the present invention.
Fig. 3 is a partial schematic view of a sink dishwasher according to the present invention.
Fig. 4 is a partial schematic view of a sink dishwasher of the present invention.
Fig. 5 is a schematic diagram of a sink dishwasher according to the present invention.
Fig. 6 is a partial schematic view of another embodiment of a sink dishwasher of the present invention.
Fig. 7 is a schematic diagram of fig. 6.
100, a groove body; 110. a washing plane; 120. a washing tank; 200. a water inlet storage tank; 210. a water inlet valve; 220. a water outlet valve; 230. a flow meter; 240. a spacer; 250. a water level sensor; 260. a convex portion; 270. a first water inlet pipe; 300. heating the washing assembly; 400. a water draining storage tank; 410. a draining pump; 420. a drain valve; 430. a drain check valve; 440. an inner ventilation vent; 450. an outer ventilation vent; 460. a second water inlet pipe; 500. and a sewer pipe.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Example 1
As shown in fig. 1 to 5, the present invention provides a sink dishwasher, comprising:
the washing machine comprises a tank body 100 with a washing plane 110, wherein a washing tank 120 is formed along the washing plane 110 in a concave manner, one of the washing tanks 120 is used for ordinary washing, the other washing tank 120 is used for automatically washing tableware, a water inlet storage tank 200 is arranged on the wall of the washing tank 120, a water inlet valve 210 is arranged at the water inlet end of the water inlet storage tank 200 and is connected with a municipal waterway through a pipeline, and a water outlet valve 220 and a flowmeter 230 are arranged at the water outlet end of the water inlet storage tank 200;
the heating and washing assembly 300 is installed on the bottom of the washing tank 120, and the heating and washing assembly 300 is communicated with the water outlet valve 220 through a pipeline.
Because the temperature of the water body in the municipal waterway is generally about 5 degrees, and the washing temperature of the tableware is generally about 50-75 degrees, if the municipal waterway is directly connected with the heating and washing assembly 300, the water body in the waterway needs to be heated from 5 degrees to 50-75 degrees, the temperature difference between the municipal waterway and the heating and washing assembly is 45-70 degrees, and the temperature difference is larger, so that the energy consumption for heating is higher.
If the water body in the municipal waterway is stored in the water inlet storage tank 200, the indoor temperature is higher and is generally between 15 and 25 ℃, and even the temperature can reach more than 30 ℃ in hot weather, so that the water body stored in the water inlet storage tank 200 can be naturally lifted to 15 to 25 ℃ from 5 ℃ and is flush with the indoor temperature, at the moment, if the tableware is required to be cleaned, the water temperature of 15 to 25 ℃ is only required to be heated to 50 to 75 ℃, and the temperature difference between the water temperature and the water temperature is 35 to 50 ℃, compared with the temperature difference between the water temperature and the water temperature, which is lower than the temperature difference for directly heating the municipal waterway to the washing temperature, so that the energy consumption is reduced.
According to the sink dish washer provided by the invention, the water inlet storage tank 200 is arranged outside the washing sink 120 and is used as a water storage space of a water body, so that when tableware is washed, the original heating from municipal water temperature to washing temperature is changed into the heating from indoor temperature to washing temperature, thereby reducing the temperature difference and reducing the output of energy consumption.
Preferably, as shown in fig. 3, the water inflow direction of the water inflow storage tank 200 is provided with a first water inflow pipe 270 having a U-shape at the water inflow end, wherein the water inflow valve 210 is connected to one side of the open end of the first water inflow pipe 270.
In this embodiment, the first water inlet pipe 270 at the water inlet end of the water inlet storage tank 200 is set to be in a U-shaped structure, when the municipal waterway is in a water-break condition, the water body entering the water inlet storage tank 200 cannot flow back into the pipeline, and the reliability of the water storage of the water inlet storage tank 200 is ensured.
Preferably, a gap exists between the wall of the water inlet storage tank 200 and the wall of the washing tank 120.
It is further preferable that the gap formed between the wall of the water inlet storage tank 200 and the wall of the washing tub 120 is achieved by providing a partition 240 on the wall of the water inlet storage tank 200.
In this embodiment, a gap is formed between the wall of the water inlet storage tank 200 and the wall of the washing tank 120 to avoid heat conduction, and because the washing temperature is higher when the water body is used for washing tableware, the temperature in the washing tank 120 is higher, if the wall of the water inlet storage tank 200 is attached to the wall of the washing tank 120, heat in the washing tank 120 is transferred to the water inlet storage tank 200 through heat conduction, so that heat loss is caused, and washing effect is affected. Therefore, in order to improve the utilization rate of heat energy, a gap needs to be formed between the wall of the water inlet storage tank 200 and the wall of the washing tub 120.
Preferably, a water level sensor 250 is arranged on the water inlet storage tank 200 at a position which is flush with the closed end of the first water inlet pipe 270, the water storage level in the water inlet storage tank 200 is controlled by the water level sensor 250, when the water level in the water inlet storage tank 200 reaches the maximum water storage level, the water inlet valve 210 is closed, the water in the municipal waterway is stopped from being introduced into the water inlet storage tank 200, and the use reliability of the water inlet storage tank 200 is ensured.
Preferably, the washing tank 120 is provided with a drain water storage tank 400, and the wall of the drain water storage tank 400 is attached to the bottom of the washing tank 120, wherein the water inlet end of the drain water storage tank 400 is connected with a drain pump 410 installed at the bottom of the washing tank 120 through a pipeline, and the water outlet end of the drain water storage tank 400 is provided with a drain valve 420 and is communicated with a sewer pipeline 500 through a pipeline.
In this embodiment, the water storage tank 400 is provided to receive the washing water after washing the tableware, and the water is heated by the heating and washing assembly 300 for use during the first stage washing, so that the water has the highest temperature, and the washing water is not heated, or the heating temperature is lower than the temperature during the first stage washing, so that the water after the first stage washing is discharged into the water storage tank 400 for storage, and after the tableware is washed, the water temperature in the water storage tank 400 is transferred into the washing tank 120 in a heat conduction manner as a heat energy source during the tableware drying, compared with the prior art, the water storage tank 500 is directly discharged into the sewer pipe, thereby improving the energy utilization rate and further reducing the energy consumption.
Further preferably, the drain water storage tank 400 is provided in an L-shape, wherein one side of the drain water storage tank 400 is attached to the bottom of the washing tank 120, the other side of the drain water storage tank 400 is attached to the wall of the washing tank 120, and the drain water storage tank 400 attached to the wall of the washing tank 120 is located below the water inlet water storage tank 200.
In this embodiment, the drain water storage tank 400 is provided with an L-shaped structure, so that the contact area between the drain water storage tank 400 and the washing tank 120 is increased, the efficiency of the tableware during drying is improved, and in addition, the drain water storage tank 400 with an L-shaped structure can increase the water storage capacity, thereby providing more heat energy.
Preferably, the water inlet end of the drain water storage tank 400 is provided with a drain check valve 430 so as to prevent a backflow phenomenon of the water body when it is discharged into the drain water storage tank 400.
Preferably, in the water inflow direction of the drain water storage tank 400 shown in fig. 3, a second water inlet pipe 460 is provided at the water inflow end of the drain water storage tank 400, wherein a drain check valve 430 is provided at one side of the open end of the second water inlet pipe 460, and an inner ventilation vent 440 communicating with the washing tub 120 and an outer ventilation vent 450 communicating with the outside atmosphere are provided at the closed end of the second water inlet pipe 460.
In this embodiment, the second water inlet pipe 460 at the water inlet end of the water drainage storage tank 400 is provided with a U-shaped structure, and is matched with the water drainage check valve 430 to further prevent the backflow phenomenon of water, in addition, the water inlet end of the water drainage storage tank 400 is provided with a U-shaped structure, so that a siphon phenomenon can be formed at the water inlet end, and water in a pipeline between the water drainage check valve 430 and the water drainage pump 410 can enter the water drainage storage tank 400 as much as possible, so as to avoid the residual water in the pipeline.
Example two
As shown in fig. 1 to 7, compared with the first embodiment, the difference of this embodiment is that the water inlet tank 200 of this embodiment is provided with a protrusion 260, and the protrusion 260 is communicated with the water inlet tank 200, wherein the protrusion 260 is in abutting fit with the wall of the washing tank 120.
After the dish washing is completed, the space in the washing tub 120 is required to be dried and dehumidified, and in the first embodiment, heat exchange occurs between the heat generated by the washing water stored in the drain water storage tank 400 and the wall of the washing tub 120, thereby realizing the drying process of the space in the washing tub 120. But this manner cannot remove moisture from the space within the washing tub 120.
In the prior art, the PTC heating module and the fan are added to dry and dehumidify, but the mode has high energy consumption and potential safety hazard in heating.
In this embodiment, after the dish washing is completed, the water in the water inlet tank 200 is consumed, at this time, the water inlet valve 210 is opened again, the water in the municipal waterway is reintroduced into the water inlet tank 200, and since the temperature of the water in the municipal waterway is lower and the convex portion 260 is just in abutting fit with the wall of the washing tank 120, at this time, cold exchange is formed between the wall of the water inlet tank 200 and the wall of the washing tank 120, so that hot air in the space in the washing tank 120 is condensed to form condensed water, thereby reducing the humidity in the washing tank 120, achieving the dehumidification effect.
It is further preferred that the width of the projection 260 is equal to the descending depth of the first stage water amount in the water intake storage tank 200 at the time of dish washing.
The invention provides a sink dish washer, which comprises the following working steps:
step one, detecting the temperature of the water body in the water inlet storage tank 200, and if the temperature of the water body is lower than 5 ℃, emptying the water body in the water inlet storage tank 200 and the water outlet storage tank 400; if the temperature of the water body is higher than 5 ℃, entering a step two;
step two, detecting whether the water level in the water inlet storage tank 200 reaches a preset water level or not through a water level sensor 250, if the water level does not reach the preset water level, starting a water inlet valve 210, introducing water in the municipal waterway into the water inlet storage tank 200 until the water level reaches the preset water level, and if the water level reaches the preset water level, entering a step three;
step three, the heating and washing assembly 300 is started, the water outlet valve 220 is opened, the water consumption required by the first stage of tableware is heated to the washing temperature through the pipeline by the heating and washing assembly 300, and the water body of the stage is circularly used for washing the tableware in the washing tank 120;
step four, after the tableware is cleaned in the first stage, a washing pump and a drainage check valve 430 are started, and washing water generated after the first stage washing is discharged into a drainage water storage tank 400;
fifthly, opening the water outlet valve 220 again to realize the second stage of cleaning of the tableware, wherein the water body in the second stage can judge whether to open the heating and washing assembly 300 according to the self needs of the user;
step six, after the tableware is cleaned in the second stage, a washing pump and a drainage check valve 430 are started, and washing water generated after the second stage washing is discharged into a drainage water storage tank 400;
step seven, repeating the step five and the step six until the tableware is washed;
step eight, when the tableware is washed, the water inlet valve 210 is opened again to communicate with the municipal waterway, the water in the municipal waterway is reintroduced into the water inlet water storage tank 200, and the water generated after the tableware is washed is stored in the water discharge water storage tank 400;
step nine, the drying treatment in the washing tank 120 is realized through the heat exchange between the drainage water storage tank 400 and the washing tank 120, the dehumidification treatment in the washing tank 120 is realized through the cold exchange between the water inlet water storage tank 200 and the washing tank 120, and when the drying and the dehumidification are finished, the drainage valve 420 is opened, and the water body in the drainage water storage tank 400 is drained into the sewer pipe 500.
It should be noted that the description of the present invention as it relates to "first", "second", "a", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. The terms "coupled," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally formed, for example; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. A sink dishwasher, comprising:
the water inlet water storage tank is arranged on the tank wall of the washing tank, the water inlet end of the water inlet water storage tank is provided with a water inlet valve and is connected with a municipal waterway through a pipeline, and the water outlet end of the water inlet water storage tank is provided with a water outlet valve and a flowmeter;
the heating and washing assembly is arranged on the bottom of the washing tank and is communicated with the water outlet valve through a pipeline;
the water inlet end of the water discharge storage tank is connected with a drainage pump arranged at the bottom of the washing tank through a pipeline, and the water outlet end of the water discharge storage tank is provided with a drainage valve and is communicated with a sewer pipeline through a pipeline;
the water inlet end of the water drainage storage tank is provided with a water drainage check valve, the water inlet end of the water drainage storage tank is provided with a second water inlet pipe in a U shape, the water drainage check valve is arranged on one side of the opening end of the second water inlet pipe, and the closed end of the second water inlet pipe is provided with an inner ventilation exhaust hole communicated with the washing tank and an outer ventilation exhaust hole communicated with the outside atmosphere.
2. The sink dishwasher of claim 1, wherein the water inlet end of the water inlet storage tank is provided with a first water inlet pipe having a U-shape, wherein the water inlet valve is connected to one side of the open end of the first water inlet pipe.
3. A sink dishwasher according to claim 1, characterized in that a gap is provided between the wall of the water inlet storage tank and the wall of the washing tank.
4. A sink dishwasher according to claim 3, characterized in that the gap formed between the wall of the water inlet storage tank and the wall of the washing tub is realized by providing a spacer on the wall of the water inlet storage tank.
5. A sink dishwasher as claimed in claim 2, wherein the water storage tank is provided with a water level sensor at a level with the closed end of the first inlet pipe.
6. The sink dishwasher of claim 1, wherein the drainage water storage tank is L-shaped, wherein one side of the drainage water storage tank is attached to a bottom of the sink, the other side of the drainage water storage tank is attached to a wall of the sink, and the drainage water storage tank attached to the wall of the sink is located below the water inlet water storage tank.
7. The sink dishwasher of claim 1, wherein the water inlet storage tank is provided with a protrusion, and the protrusion is in communication with the water inlet storage tank, wherein the protrusion is in abutting engagement with the sink trough wall.
8. A method of washing a sink dishwasher, comprising:
detecting the temperature of water in a water inlet storage tank, and if the temperature of the water is lower than 5 ℃, emptying the water in the water inlet storage tank and a water outlet storage tank; if the temperature of the water body is higher than 5 ℃, entering a step two;
step two, detecting whether the water level in the water inlet storage tank reaches a preset water level or not through a water level sensor, if the water level does not reach the preset water level, starting a water inlet valve, introducing water in the municipal waterway into the water inlet storage tank until the water level reaches the preset water level, and if the water level reaches the preset water level, entering a step three;
step three, starting a heating and washing assembly, opening a water outlet valve, heating the water consumption required by the first stage of the tableware to a washing temperature through a pipeline by the heating and washing assembly, and circularly cleaning the tableware in a washing tank by using the water body of the stage;
step four, after the tableware is cleaned in the first stage, a washing pump and a drainage check valve are started, and washing water generated after the first stage washing is discharged into a drainage water storage tank;
step five, the water outlet valve is opened again, so that the second stage of cleaning of the tableware is realized, and the water body in the second stage can judge whether to start the heating and washing assembly according to the self requirement of a user;
step six, after the tableware is cleaned in the second stage, a washing pump and a drainage check valve are started, and washing water generated after the second stage washing is discharged into a drainage water storage tank;
step seven, repeating the step five and the step six until the tableware is washed;
step eight, when the tableware is washed, opening the water inlet valve again, communicating the municipal waterway, reintroducing the water in the municipal waterway into the water inlet water storage tank, and storing the water generated after the tableware is washed into the water drainage water storage tank;
and step nine, realizing drying treatment in the washing tank through heat exchange between the drainage water storage tank and the washing tank, realizing dehumidification treatment in the washing tank through cold exchange between the water inlet water storage tank and the washing tank, and after drying and dehumidification are finished, starting a drainage valve to drain water in the drainage water storage tank into a sewer pipeline.
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