CN114947686A

CN114947686A - Tableware dewatering method and system

Info

Publication number: CN114947686A
Application number: CN202210917943.5A
Authority: CN
Inventors: 何锋
Original assignee: Guangzhou Signking Automation Co ltd
Current assignee: Guangzhou Signking Automation Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-08-30
Anticipated expiration: 2042-08-01
Also published as: CN114947686B

Abstract

The invention discloses a method and a system for dehydrating tableware, comprising a steam generator, a high-pressure nozzle and a water pump, wherein the steam generator sprays high-pressure steam which is heated instantly or absorbs heat instantly outwards through a communicated high-pressure pipe; the high-pressure nozzle directly keeps the high-pressure steam to continuously spray on the surface of the tableware in a close range, and the high-pressure steam with the instantaneous extreme temperature difference can evaporate and vaporize water drops on the surface of the tableware or cool the surface of the tableware to be solidified at minus degree centigrade; when the high-pressure steam is heated instantly, the water drops on the surface of the tableware and the tableware body are heated, and the water drops on the surface of the tableware absorb heat and evaporate; when the high-pressure steam absorbs heat instantly, the water drops on the surface of the tableware and the body are cooled to be below zero, the water drops on the surface of the tableware are condensed and fall off, and the water drops on the surface of the tableware are separated; the high-pressure steam can diffuse outwards along with the open space, and the secondary adhesion to the surface of the tableware to form new water drops is avoided. The invention has the advantages of less dehydration time, low material and environment requirements and compatibility for different tableware.

Description

Tableware dewatering method and system

Technical Field

The invention relates to the technical field of tableware drying, in particular to a tableware dehydration method and a system thereof.

Background

Along with the improvement of standard of living, people purchase kitchen guarding's equipment more and use, especially in recent years, the demand of intelligence house constantly enlarges for intelligent house equipment more and more receives people's favor, and the intelligence dish washer on the existing market is more that the box top is equipped with the integrated basin dish washer of basin, is equipped with dish washer in the embedding box of basin below, and dish washer still need carry out drying process to the tableware after the washing completion usually.

The current stoving scheme adopts hot air device or this type of stoving mode of hot-blast main usually, is through long-time inside heated air circulation if its principle, when guaranteeing that the space is hot-blast because of revealing the cooling for the air of the equipment inner space of washing the dishes intensifies gradually, and the steam of rethread circulation flow is dried tableware surface moisture or is taken away along with steam. See patent literature: (CN 114224258A-a disinfection, drying integrated sink, CN 216495196U-drying system and dish washer, CN 215838910U-drying device of dish washer and dish washer capable of keeping the interior dry, CN 104984374B-a drying sterilizer).

Although the method can dry tableware, the method has the following problems that the drying time is long. The preheating time required in actual use and drying needs more than 50 minutes, and the overlong starting temperature rise can generate an undispersable odor in the closed interval; the whole stoving is accomplished and is generally still need 3 more hours, and a large amount of power consumptions just consume user's time, and after the cooling, if steam gets rid of untimely, the remaining stink that gets damp lasts the fermentation for equipment and the tableware that wash dishes adheres to the stink easily. And secondly, the requirements on heat-proof materials, heat-dissipation-proof materials and environmental temperature of the equipment are high due to technical problems. The better dish washer stoving function of current product maintains 80 ℃ of stoving, and general can only maintain 65-75 ℃ of stoving, to the actual test normal use result of actually sampling several current equipment, all is difficult to reach the effect of publicity, the condition that the heat loses fast appears, receives material and environmental impact big. Thirdly, the drying effect is not uniform. Although the traditional principle is that the space is heated and dried by a hot air circulation method, the innermost layer tableware is blocked by the outer layer, so that partial drying is uneven. And fourthly, when the quantity of the tableware to be dried is small, for example, when three or two tableware are used, the drying can be realized only by heating the space, and partial users can only perform careless manual treatment generally in consideration of the problems of time consumption and power consumption.

Under this fast rhythm's life pattern, the equipment that washes the dishes is in order to save user's time, promotes the product in user experience shop, consequently for solving after the equipment tableware washs washing the dishes, the traditional stoving can appear consuming time long, the material environment requires highly, the stoving effect is inhomogeneous, the inconvenient condition of a small amount of tableware stoving, needs a new tableware stoving scheme and has disinfection's effect.

Disclosure of Invention

The invention aims to provide a tableware dehydration method, which aims to solve the problems that the tableware drying consumes long time, the requirements on materials and environment of drying equipment are high during drying, the drying effect is uneven, a small amount of tableware is inconvenient to dry, and the energy consumption is high.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a tableware dehydration method, which comprises the following steps: step S1, the steam generator sprays out high-pressure steam which is heated instantly or absorbs heat instantly through a high-pressure nozzle through a communicated high-pressure pipe; step S2, the high-pressure nozzle is mounted on a mechanical arm which can be adjusted at a micro distance, the mechanical arm is controlled by a control system, the control system is used for controlling the start and stop of the steam generator and controlling the distance between the mechanical arm and the tableware, so that the high-pressure nozzle faces the surface of the tableware, the mechanical arm moves along the radian of the surface of the tableware and maintains the set distance between the high-pressure nozzle and the surface of the tableware; step S3, the high-pressure nozzle continuously and directly sprays high-pressure steam to the surface of the tableware at a set distance, and the high-pressure steam with instantaneous extreme temperature difference can evaporate and vaporize water drops on the surface of the tableware or cool the water drops to be solidified; step S4, when the high-pressure steam is heated instantly, the temperature of the water drops on the surface of the tableware and the tableware body is raised, and the water drops on the surface of the tableware absorb heat and evaporate; when the high-pressure steam absorbs heat instantly, the water drops on the surface of the tableware and the body are cooled to be below zero, and the water drops on the surface of the tableware are condensed and fall off; and step S5, the high-pressure steam can diffuse outwards along with the open space, so as to avoid the secondary adhesion to the surface of the tableware to form new water drops.

Preferably, the control system comprises a visual recognition unit, the visual recognition unit is used for establishing a three-dimensional model for the tableware, feeding back a first point cloud position and a posture of the three-dimensional model to the control system, setting a distance between a second point cloud position and the first point cloud position of the mechanical arm, and maintaining the distance between the high-pressure nozzle and the surface of the tableware.

Preferably, the instantaneously heated high-pressure steam comprises high-temperature steam with the temperature of more than 100 ℃, and the high-temperature steam is sprayed out along with the high-pressure nozzle, and because the high-temperature steam with the high temperature maintained later is sprayed to the high-temperature steam which is cooled by contacting with the tableware before, the high-temperature steam cooled before absorbs heat and is heated again to the temperature of more than 100 ℃, and the high-temperature steam is sprayed out along with the high-pressure nozzle to generate surging air waves to float outside the space; the water drops on the surface of the main tableware can absorb heat quickly to raise the temperature and the tableware body can also raise the temperature quickly, and under the action of meeting one or two conditions, the water drops on the surface of the tableware reach the steam condition to be vaporized, so that the air waves which surge along with the steam are blown away to the outside of the space, and the surface of the tableware in the process can be changed from wet to dry.

Preferably, the high-pressure steam heated in the twinkling of an eye includes the high temperature hot water more than 100 ℃, when carrying out high temperature spray cleaning to the tableware, replaces the low temperature drop on tableware surface for high temperature drop, and the tableware sprays the lower surface in the continuation of high temperature hot water simultaneously and heats up to more than 100 ℃ fast for the drop reaches the evaporation condition, stops spraying after reaching the evaporation condition, and the steam of the vaporization of the drop on tableware surface drifts away to the space along with the circulation direction of steam, and the tableware surface finally becomes dry.

Preferably, the high-pressure gas absorbing heat instantly comprises liquid nitrogen, the liquid nitrogen is stored in the steam generator, when the liquid nitrogen is contacted with air and the liquid nitrogen is heated to exceed a boiling point, the high-pressure gas absorbing heat is continuously sprayed out, the tableware body and the water drops begin to condense after the water drops absorb heat rapidly, the water drops condense into ice particles and are separated from the surface of the tableware under the spraying of the high-pressure gas, and the surface of the tableware becomes dry.

Preferably, the control system controls the motion path of the robotic arm to move from a high point to a low point along the surface of the utensil.

Preferably, an air extractor is further provided, and the air extractor is used for extracting the high-pressure steam diffused in the space so as to prevent the high-pressure steam in the space from adhering to the surface of the tableware again.

A tableware drying system comprises tableware attached with water drops and a steam generator, wherein the steam generator is used for spraying high-pressure steam which is heated or absorbs heat instantly; the output end of the steam generator is communicated with the input end of a high-pressure pipe, the output end of the high-pressure pipe is communicated with more than 1 high-pressure nozzle, and high-pressure steam is sprayed to the surface of the tableware through the high-pressure pipe and the high-pressure nozzle, so that water drops on the surface of the tableware are evaporated, vaporized or cooled, solidified and separated; a robotic arm mounted to the robotic arm and facing the dish, the robotic arm moving along an arc of the dish surface; and the control system is used for controlling the starting and stopping of the steam generator, controlling the distance between the mechanical arm and the surface of the tableware to be maintained, and controlling the moving path of the mechanical arm.

In conclusion, the beneficial effects of the invention are as follows:

1. through the design steam generator blowout heating in the twinkling of an eye or endothermic high-pressure steam in the twinkling of an eye, to the closely continuous eruption of tableware, when using the high-pressure steam of heating in the twinkling of an eye, the drop of water on tableware surface constantly carries out the heat absorption, and the tableware body intensifies simultaneously for the evaporation condition of drop of water is satisfied to the tableware, and the gas wave that the steam that evaporates gushes out along with high-pressure steam is floated along with the air and is left.

When the high-pressure steam which absorbs heat instantly is used, the high-pressure steam continuously absorbs heat to water drops on the surface of the tableware, so that the water drops are gradually condensed, and the condensed water drops are separated from the surface of the tableware and become dry along with the injection of the high-pressure steam.

The method greatly saves time; because the high-pressure steam can be dissipated along with the natural space, compared with the traditional method that the harsh materials and environment are used for preventing the temperature from being dissipated when the air is heated by hot air, the method has the advantages that the temperature of the whole space is required to be heated, the convenient operation degree of a user on a small amount of tableware can be met, the energy consumption is reduced when the tableware is used, and the uniformity of the drying effect is also ensured by adopting the heating principle of a high-pressure nozzle on a single tableware; and meets the basic conditions of tableware sterilization and disinfection.

2. But the arm of adjusting through the design microspur under control system's setting, realizes maintaining the arm and carries out direct high-pressure steam injection closely along the surface radian of different tableware, compares traditional space intensification, and the temperature transfer is more rapid, has reduced the drying time of tableware and has made the tableware handle automation.

3. Through the open space of design, the high-pressure steam spreads from the interior outward natural space of processing space, prevents because of the high-pressure steam gathering in processing space of instantaneous heating or heat absorption in the twinkling of an eye, avoids adhering to the tableware surface once more and forms new drop of water.

The advantageous effects of the additional features of the present invention will be explained in the detailed description section of the present specification.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a flow chart of a method of dehydrating dishware in accordance with the present invention;

fig. 2 is a schematic block diagram of a visual recognition unit according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; may be directly connected or indirectly connected through an intermediate, unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

Referring to fig. 1, the present embodiment is a method and a system for dehydrating tableware having beads adhered to the surface thereof immediately after washing, the method including: the steam generator sprays instant heated high-pressure steam which comprises high-temperature high-pressure steam with the temperature of more than 100 ℃ in the embodiment; the steam generator adopts an electric heating steam generator to generate high-temperature high-pressure steam, the output end of the steam generator is communicated with a high-pressure pipe, the output end of the high-pressure pipe is communicated with a high-pressure nozzle, and the high-temperature high-pressure steam enters the high-pressure pipe and is outwards sprayed through the compression of the high-pressure nozzle.

In the embodiment, the distance between the high-pressure nozzle and the surface of the tableware is maintained at 200mm, the close maintenance is favorable for the rapid heat absorption of water drops on the surface of the tableware to achieve an evaporation condition, and the phenomenon that the dehydration time is prolonged because high-pressure steam is secondarily attached to the tableware due to too far distance is avoided.

In the embodiment, the high-pressure nozzle is arranged on the mechanical arm capable of being adjusted at a micro distance, the mechanical arm is controlled by a control system, the control system comprises a micro control unit for regulating and controlling components of the system and a memory for storing a three-dimensional model database of various existing tableware, the control system is used for controlling the starting and stopping of the steam generator and controlling the distance between the mechanical arm and the tableware so that the high-pressure nozzle faces the surface of the tableware, and the control system controls the mechanical arm to move along the path of the radian of the surface of the tableware, so that the set distance between the high-pressure nozzle and the surface of the tableware is maintained at 200mm in the process, but the direct touch between the high-pressure nozzle and the tableware is avoided, and the hard contact between equipment components and the tableware is avoided.

Preferably, the control system comprises a visual recognition unit, the visual recognition unit comprises an image acquisition module for capturing an image of the tableware, an image processing module for capturing contour information of the tableware, a calibration module for calibrating point cloud positions and postures of the tableware and realizing the interconnection of a coordinate system, and a transmission module for transmitting the image information to the control system, the visual recognition unit acquires the image of the tableware to establish a three-dimensional model, the tableware on the dining rack is defined as a first point cloud position, the contour of the tableware is recognized by the image processing module to obtain different postures when the tableware is placed, the three-dimensional model data of the tableware is transmitted to the control system through the transmission module for comparison, the control system matches the outlines of the tableware according to various tableware databases of the memory, and the outlines of the tableware in the databases are preset with second point cloud positions and moving paths of the control mechanical arm. The distance between the high-pressure nozzle and the surface of the tableware is maintained.

The control system controls the preset motion path of the mechanical arm to move from the highest point cloud position to the lowest point cloud position along the surface of the tableware, so that water drops formed by contact and cooling of steam and the surface of the tableware at the beginning can be guided out of the tableware from high to low along with gravity and the spraying flow direction of high-pressure steam.

Each high-pressure nozzle processes the single tableware one by one, so that the drying effect is more uniform. The mechanism of drying one by one is convenient for users to start and stop when only a small amount of tableware needs to be dried, and preheating and drying in space are not required to be finished in 3 hours if products in the market are required to be dried.

Furthermore, if more than one hundred tableware needs to be processed in batch, the high-pressure nozzles of the plurality of spray heads can be replaced, and the control system respectively controls the high-pressure nozzles to perform batch drying processing on the arranged tableware, so that the requirement of commercial tableware drying is met.

The high-pressure nozzle is controlled to continuously spray high-temperature and high-pressure steam to the surface of the tableware in a close range, and the steam kept at 100 ℃ is sprayed to the previous steam which is cooled by contacting with the tableware, so that the previous steam absorbs heat and is heated to the evaporation temperature, the steam is formed again, and the air waves which are sprayed by the high-pressure nozzle are drifted away along with the air. The main tableware surface water drops can absorb heat rapidly to heat up, and meanwhile, the tableware body can also heat up rapidly, so that the water drops on the surface of the tableware are vaporized after heating up under the condition that the water vapor evaporation condition is met or the temperature of the surface of the tableware reaches the water vapor evaporation condition, air waves which surge along with the steam spraying drift away along with air, the surface of the tableware in the process can drift away from the wet steam to be a dry smooth surface, and the dehydration time of each tableware can be saved within 1 minute. Therefore, compared with the traditional method which needs expensive materials with high heat preservation and high heat insulation, the method has the advantages that the traditional method for preventing heat diffusion is more convenient and flexible, the cost can be saved, and the subsequent popularization is facilitated.

Finally, in order to improve the outward diffusion efficiency of the steam generated by vaporization and evaporation along with the open space, an air extractor is additionally arranged to accelerate the extraction of the residual steam diffused in the space, so that the phenomenon that the steam in the space is attached to the surface of the tableware again after being cooled to form new water drops is avoided.

When the tableware dewatering method is used, when the tableware is generally placed on a dining rack, the edge of the tableware is adjusted to face downwards, if the edge faces obliquely downwards and vertically downwards, because high-temperature high-pressure steam sprayed by a high-pressure nozzle at the beginning meets the tableware with the surface attached with water drops in a cooling state, moist water mist is formed on the surface of the tableware cooled by the steam, the water drops do not reach the evaporation condition at the moment, and under the gravity and the smooth surface of the tableware, large-particle water drops can be combined with the water mist and cannot be attached continuously, and can slide out of the tableware from the high side to the low side along the edge of the edge, so that the evaporation time of the large-particle water drops is saved, and the dewatering time of the tableware is shortened better.

Example 2

The difference from the embodiment 1 is that the instantaneously heated high-pressure steam ejected from the steam generator in this embodiment includes high-temperature hot water of more than 100 ℃; this high temperature hot water is in the state of vapor and liquid, and steam generator's including the water source with heat to the heating device more than 100 ℃, steam generator produces high temperature hot water, and steam generator's output intercommunication has the high-pressure pipe, the output intercommunication high pressure nozzle of high-pressure pipe, high temperature hot water gets into the outside tableware of high pressure pipe process high pressure nozzle's compression and closely sprays.

The sprayed high-temperature hot water with the temperature of 100 ℃ is continuously sprayed to the water which is cooled by the contact with the tableware at the beginning, and the cooled water can be fused with the subsequent high-temperature hot water or flows out, so that the replacement of water drops on the surface of the tableware is realized; meanwhile, the lower surface of the tableware is rapidly heated to more than 100 ℃ when the high-temperature hot water is continuously sprayed, the condition that water drops reach evaporation is met, the control system controls the steam generator to stop spraying the high-temperature hot water, steam vaporized by the water drops on the surface of the tableware floats outwards along the flowing direction of hot air when the tableware is in standing, the smooth surface of the tableware is finally dried, and the dehydration time of the tableware can be controlled within 1 minute.

Example 3

Unlike embodiments 1 and 2, the instant endothermic high-pressure vapor ejected from the steam generator in this embodiment includes liquid nitrogen; the liquid nitrogen is stored in steam generator, steam generator includes the liquid nitrogen, steam generator's output intercommunication has the high-pressure pipe, the output intercommunication high pressure nozzle of high-pressure pipe, the solenoid valve that is used for opening and close the high-pressure steam is installed to the high-pressure pipe, contact when liquid nitrogen and air, the liquid nitrogen intensifies and exceeds the boiling point, then continuously spray the endothermic high-pressure steam of blowout to the tableware closely, the drop of water begins to condense after tableware body and drop of water are absorbed heat fast, the drop of water begins to condense or has condensed into the original drop of water of ice grain, break away from the tableware surface under the injection of this high-pressure steam, the tableware surface becomes cold dry.

In summary, the steam generator is designed to eject high-pressure steam which is heated or absorbed instantly to continuously eject the water droplets in a short distance, so that the water droplets continuously absorb heat, and the evaporated water vapor is ejected with the high-pressure steam to surge the air and drift away with the air. Or the high-pressure steam continuously absorbs heat of water drops on the surface of the tableware, so that the water drops are gradually condensed, and the condensed water drops are separated from the surface of the tableware and dried along with the injection of the high-pressure steam. And under the cooperation of a control system and a mechanical arm capable of being adjusted in a micro-distance mode, the mechanical arm is maintained to directly spray high-pressure steam in a close distance along the surface radians of different tableware, and an open processing space is adopted to prevent the high-pressure steam from flowing back to generate secondary water drops.

Compared with the traditional harsh materials and environment for preventing temperature loss when the air is heated by hot air, the method has the advantages that the temperature is lower; the drying effect is ensured to be uniform; under the basic condition of satisfying the tableware sterilization and disinfection, the household is convenient to flexibly dry the tableware under different conditions.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A method for dehydrating tableware, comprising the tableware with beads attached, is characterized by comprising the following steps:

s1, the steam generator sprays out high-pressure steam which is heated instantly or absorbs heat instantly through a high-pressure pipe and a high-pressure nozzle;

s2, the high-pressure nozzle is mounted on a mechanical arm capable of being adjusted at a micro distance, the mechanical arm is controlled by a control system, the control system is used for controlling the starting and stopping of the steam generator and controlling the distance between the mechanical arm and the tableware, so that the high-pressure nozzle faces to the surface of the tableware, the mechanical arm moves along the surface radian of the tableware and maintains the set distance between the high-pressure nozzle and the surface of the tableware;

s3, the high-pressure nozzle continuously and directly sprays high-pressure steam to the surface of the tableware for a set distance, and the high-pressure steam can evaporate and vaporize water drops on the surface of the tableware or cool the water drops to be solidified;

s4, when the high-pressure steam is heated instantly, the temperature of the water drops on the surface of the tableware and the tableware body rises, and the water drops on the surface of the tableware absorb heat and evaporate;

when the high-pressure steam absorbs heat instantly, the water drops on the surface of the tableware and the body are cooled to be below zero, and the water drops on the surface of the tableware are condensed and fall off;

s5, the high-pressure steam can diffuse outwards along with the open space, and the secondary adhesion to the surface of the tableware to form new water drops is avoided.

2. The method of dehydrating tableware according to claim 1, wherein said control system comprises a visual recognition unit for creating a three-dimensional model of said tableware and feeding back a first point cloud position and an attitude of said three-dimensional model to said control system, and setting a distance between a second point cloud position and a first point cloud position of said robot arm to maintain a distance between said high pressure nozzle and said surface of said tableware.

3. The method of dehydrating tableware according to claim 2, wherein said instantaneously heated high-pressure steam includes high-temperature steam of 100 ℃ or more.

4. The method of dehydrating tableware according to claim 2, wherein said instantaneously heated high-pressure steam includes hot water having a high temperature of 100 ℃ or higher.

5. The method of dehydrating dishware of claim 2, wherein the instantaneously endothermic high pressure vapor comprises liquid nitrogen.

6. The method of dehydrating a utensil of claim 2, wherein the control system controls the path of movement of the robotic arm to move from a high point to a low point along the surface of the utensil.

7. A method of dehydrating dishes according to claim 1, wherein an air extractor is further provided to extract the high-pressure steam diffused in the space to prevent the high-pressure steam from the space from adhering to the surface of the dishes again.

8. The method of dehydrating a dish as claimed in claim 1, wherein the rim of said dish is directed downward, and when said dish does not satisfy the condition of evaporating water droplets under the heat transfer of steam, the water droplets formed in said steam agglomerate with the original water droplets of said dish to form large water droplets and slide off said dish along with the smooth surface of said dish.

9. The method of dehydrating the dishes of claim 1, wherein the high pressure nozzle is maintained at a distance of 200mm or less from the surface of the dishes.

10. A dehydration system for tableware, including tableware having beads attached thereto, comprising:

the steam generator is used for ejecting high-pressure steam which is heated instantly or absorbs heat instantly;

the output end of the steam generator is communicated with the input end of a high-pressure pipe, the output end of the high-pressure pipe is communicated with more than 1 high-pressure nozzle, and high-pressure steam is sprayed to the surface of the tableware through the high-pressure pipe and the high-pressure nozzle, so that water drops on the surface of the tableware are evaporated, vaporized or cooled, solidified and separated;

a robotic arm mounted to the robotic arm and facing the dish, the robotic arm moving along an arc of the dish surface;

and the control system is used for controlling the starting and stopping of the steam generator, controlling the distance between the mechanical arm and the surface of the tableware to be maintained, and controlling the moving path of the mechanical arm.