CN115435302B - Heat pump steam regeneration system and method utilizing waste heat of winery steam - Google Patents

Abstract

The present invention proposes a heat pump steam regeneration system and method for utilizing the waste heat of steam from a winery, the system comprising a wine production subsystem, a steam heat pump subsystem and a steam post-processing subsystem; the steam heat pump subsystem comprises a heat pump compressor, a condenser and a liquid storage device; the steam post-processing subsystem comprises a flash tank, a steam compressor and a plurality of switch valves; the present invention arranges a steam heat pump subsystem and a steam post-processing subsystem at the rear end of the wine production subsystem, adopts a steam heat pump method to recover a large amount of steam waste heat generated in the process of liquor production, and performs adaptive post-processing to regenerate all of the steam waste heat into fresh heat pump steam, which supplements the steam required for heating the mash in the wine retort in the wine production subsystem, thereby greatly reducing the energy consumption of the steam supply end in the process of liquor production and improving the energy efficiency ratio.

Description

A heat pump steam regeneration system and method using waste heat from brewery steam

Technical Field

The invention belongs to the technical field of energy systems and relates to a heat pump steam regeneration system and method.

Background Art

Chinese liquor has a complex aroma with esters as the main body. It uses koji and yeast as saccharification and fermentation agents, and uses starch (sugar) raw materials to brew various types of distilled liquor through cooking, saccharification, fermentation, distillation, aging and blending.

The production process of liquor requires a lot of steam, and the boiling and acid removal process is open, which will waste a lot of heat energy. In response to this situation, some companies have adopted technical solutions such as secondary steam recompression or direct condensation heat recovery and reuse to save energy. The current direct condensation heat recovery and reuse solution only focuses on the steam waste heat end, but does not include the steam supply end. At the steam supply end, boilers are still mainly used to supply steam. Whether it is a fossil fuel boiler using gas, oil or coal, or an electric boiler, its energy efficiency ratio is less than 1, that is, when producing high-grade thermal energy steam, the waste heat resources are not fully utilized. The compressor used in the steam recompression solution often has a relatively small compression ratio and limited temperature rise. In order to produce fresh steam that meets the temperature requirements, either multiple compressors are connected in series for multi-stage compression, or auxiliary electric heating equipment is added. Either way will reduce the energy efficiency ratio.

Summary of the invention

In order to solve the problems described in the background technology, the present invention proposes a heat pump steam regeneration system and method using waste heat of winery steam.

The heat pump steam regeneration system of the present invention comprises a wine production subsystem, a steam heat pump subsystem and a steam post-processing subsystem.

The steam heat pump subsystem includes an evaporation separation unit, a heat pump compressor, a condenser, a liquid storage and filtration unit and an economizer; the input pipeline of the condenser and the input pipeline of the evaporation separation unit are both connected to the waste hot water output pipeline of the wine production subsystem; the liquid output pipeline of the condenser is connected to the liquid storage and filtration unit, and the output pipeline of the liquid storage and filtration unit is connected to the economizer; the gas-liquid two-phase flow of the working fluid generated by the economizer is merged into the evaporation separation unit, the low-temperature and low-pressure working fluid steam generated by the evaporation separation unit is merged into the heat pump compressor, and the high-temperature and high-pressure working fluid steam generated by the heat pump compressor after treatment is merged into the condenser; the steam output pipeline of the condenser is connected to the steam post-processing subsystem.

The steam post-processing subsystem includes a flash tank, a steam compressor and multiple switching valves. The water vapor output pipeline of the condenser can be connected to the wine production subsystem via the switching valve. The water vapor output pipeline of the condenser can be connected to the wine production subsystem via the switching valve and the steam compressor in turn. The water vapor output pipeline of the condenser can be connected to the wine production subsystem via the switching valve, the flash tank and the steam compressor in turn.

Furthermore, the wine production subsystem includes a boiler steam unit, a wine retort, a condensing unit, a wine collecting barrel and a waste water barrel; the boiler steam unit can adjust the supply of boiler steam, and the boiler steam generated by the boiler steam unit enters the wine retort through a pipeline; the steam generated in the wine retort is connected to the wine collecting barrel or the waste water barrel through the condensing unit; the waste hot water output pipeline of the condensing unit is connected to the steam heat pump subsystem.

Furthermore, the boiler steam unit includes a water tank, a solenoid valve and a boiler which are sequentially connected through pipelines, and the solenoid valve is used to adjust the water intake of the boiler.

Furthermore, the condensing unit includes a condenser and a subcooler connected by a circulation pipe; the condenser has two waste hot water output pipes, one waste hot water output pipe is connected to the input pipe of the condenser, and the other waste hot water output pipe is connected to the input pipe of the evaporation separation unit through a solenoid valve; the liquid discharge pipe of the subcooler can be connected to the wine collection barrel through a switch valve, and can also be connected to the waste water barrel through a switch valve.

Furthermore, the liquid storage and filtration unit includes a liquid reservoir and a filter; the input pipe of the liquid reservoir is connected to the liquid output pipe of the condenser, and the output pipe of the liquid reservoir is connected to the input pipe of the filter; the output pipe of the filter is connected to the economizer.

Furthermore, the economizer is provided with two input pipelines, a main flow channel and a secondary flow channel. The main flow channel is connected to the high-temperature fluid channel of the economizer, and the secondary flow channel is connected to the low-temperature fluid channel of the economizer. The secondary flow channel is provided with a solenoid valve and an expansion valve in sequence; the gas-liquid two-phase flow of the working fluid generated by the economizer is connected to the evaporation separation unit through the pipeline and the solenoid valve and expansion valve provided on the pipeline.

Furthermore, the saturated gas of the economizer is connected to the heat pump compressor through a pipeline and a one-way valve.

Furthermore, the evaporation separation unit includes an evaporator and a gas-liquid separator; the input pipeline of the evaporator is connected to the economizer and the condenser, and the output pipeline of the evaporator is connected to the gas-liquid separator; the output pipeline of the gas-liquid separator is connected to the heat pump compressor.

Furthermore, the low-temperature water of the evaporator is introduced into the subcooler of the wine production subsystem through a pipeline and a circulating water pump, and the subcooler introduces the low-temperature water into the condenser through a circulating pipeline; the water tank is connected to the subcooler via a solenoid valve and a circulating water pump.

The heat pump steam regeneration method of the present invention comprises the following steps:

Step 1: In the wine production subsystem, the water in the water tank is collected into the boiler through the solenoid valve, and the boiler steam generated by the boiler heating water enters the wine steamer to heat the mash. The mixed gas after the boiler steam passes through the mash is condensed into liquid after passing through the condenser, and then further cooled by the recooler to obtain low-temperature liquid. The low-temperature liquid is collected into the wine collection barrel or waste water barrel according to the alcohol content, and the waste water of the condenser is collected into the steam heat pump subsystem. The water in the water tank is collected into the recooler and condenser through the solenoid valve and the circulating water pump to supplement the water.

Step 2, in the steam heat pump subsystem, a part of the waste hot water of the condenser is collected into the evaporator through the solenoid valve, and at the same time, the liquid in the liquid reservoir flows into the filter for filtration. A part of the filtered liquid is throttled, depressurized and cooled by the solenoid valve and expansion valve on the secondary flow channel to become a gas-liquid two-phase flow and enter the low-temperature fluid channel of the economizer. Another part of the filtered liquid enters the high-temperature fluid channel of the economizer through the main flow channel and exchanges heat with the gas-liquid two-phase flow of the low-temperature fluid channel. The gas-liquid two-phase flow absorbs heat and becomes saturated gas, and then enters the air supply channel of the heat pump compressor through the one-way valve. The liquid in the high-temperature fluid channel releases heat and cools down, and then passes through the solenoid valve and expansion valve to throttle, depressurize and cool down to become a gas-liquid two-phase flow, and then is collected into the evaporator to exchange heat with the waste hot water and evaporate. The low-temperature water after heat exchange and evaporation in the evaporator is collected through pipelines and circulating water pumps to supplement water in the subcooler and condenser of the wine production subsystem. After heat exchange and evaporation in the evaporator, the liquid is separated in the gas-liquid separator, and the obtained low-temperature and low-pressure working fluid steam is collected in the heat pump compressor and compressed into high-temperature and high-pressure working fluid steam;

The high-temperature and high-pressure working medium steam enters the condenser, and another part of the waste water from the condenser is also collected in the condenser. The high-temperature and high-pressure working medium steam exchanges heat with the waste water in the condenser. The steam generated after the waste water in the condenser absorbs heat is collected in the steam post-processing subsystem. The high-temperature and high-pressure working medium steam in the condenser releases heat and liquefies and then enters the liquid storage tank.

Step 3: In the steam post-processing subsystem:

When the condenser can produce water vapor that reaches the temperature required for distilling wine, the switch valve is adjusted to directly flow the water vapor into the wine retort as heat pump steam;

When the water vapor produced by the condenser is lower than the temperature required for wine distillation, the switch valve is adjusted to collect the water vapor into the steam compressor, and after compression, the water vapor is collected into the wine retort as heat pump steam to increase the temperature and pressure.

When the heat in the condenser is insufficient to evaporate the waste hot water into water vapor, adjust the switch valve to direct the waste hot water into the flash tank for heat absorption and flash evaporation into water vapor, and then into the steam compressor for compression, temperature increase and pressure increase, and then into the wine retort as heat pump steam.

Compared with the prior art, the present invention sets a steam heat pump subsystem and a steam post-processing subsystem at the rear end of the wine production subsystem, adopts a steam heat pump method to recover a large amount of steam waste heat generated in the white wine production process, and performs adaptive post-processing to regenerate all of the steam waste heat into fresh heat pump steam to supplement the steam required for heating the mash in the wine retort in the wine production subsystem, thereby greatly reducing the energy consumption of the steam supply end in the white wine production process and improving the energy efficiency ratio.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the structure of a heat pump steam regeneration system.

DETAILED DESCRIPTION

The implementation of the present invention is described in detail below in conjunction with the accompanying drawings, but they do not constitute a limitation of the present invention, but are only examples. At the same time, through the description, the advantages of the present invention will be more clearly understood. All deformations that can be directly derived or associated with the contents disclosed by ordinary technicians in the field should be considered as the protection scope of the present invention. The positional relationships described in the embodiments are consistent with those shown in the drawings, and other parts not described in detail in the embodiments are all prior art.

As shown in Figure 1, the heat pump steam regeneration system can use the waste heat of the winery steam to regenerate fresh heat pump steam to supplement the steam required for heating the mash in the wine production subsystem. The system consists of three subsystems: the wine production subsystem, the steam heat pump subsystem, and the steam post-processing subsystem.

In the wine production subsystem, the water tank, the electromagnetic valve 4 and the boiler constitute a boiler steam unit. The electromagnetic valve 4 at the outlet of the water tank can automatically adjust the water intake of the boiler, and then adjust the supply of boiler steam. The boiler heats the water, and the boiler steam is generated to enter the wine retort to heat the fermented grains. After the water vapor passes through the fermented grains, the liquid alcohol and other flavor components in the fermented grains are evaporated into gaseous state. At this time, the water vapor becomes a mixed gas containing multiple substances. The mixed gas is condensed and cooled by the condensing unit. Specifically, the mixed gas is condensed into liquid after passing through the condenser, and then further cooled by the recooler. At this time, the liquid is the distilled liquor. The switch valve 2 is opened to collect the liquor in the wine collection barrel. When the fermented grains are heated to the end, the alcohol is evaporated, and the acid substances will be prominent. At this time, the acid discharge link will be entered. At this time, the liquid condensed and cooled by the condenser and the recooler is no longer liquor, but useless waste liquid, so the switch valve 2 is closed and the switch valve 1 is opened to allow the waste liquid to flow into the wastewater barrel. The waste heat from steam in the wine production process can be recovered and utilized. The condenser has two waste hot water output pipelines, both connected to the steam heat pump subsystem.

In the steam heat pump subsystem, the solenoid valve 5 is opened, and a part of the waste hot water of the condenser is collected in the evaporator through a waste hot water output pipeline. At the same time, the working fluid in the liquid storage device flows into the filter for filtration to obtain the working fluid; the working fluid is divided into two paths to enter the economizer, one is the main flow channel, and the other is the secondary flow channel; the solenoid valve 1 and the expansion valve 1 are installed on the secondary flow channel, the solenoid valve 1 is used to adjust the flow rate, and the expansion valve 1 plays the role of reduced pressure flash evaporation, so that a part of the working fluid after filtration is throttled, depressurized and cooled by the solenoid valve 1 and the expansion valve 2 on the secondary flow channel to become a gas-liquid two-phase flow and enter the low-temperature fluid channel of the economizer, and the other part of the working fluid after filtration enters the high-temperature fluid channel of the economizer through the main flow channel, and is combined with the gas-liquid two-phase flow of the low-temperature fluid channel. Heat exchange, the gas-liquid two-phase flow absorbs heat and becomes saturated gas, then passes through the one-way valve and enters the air supply channel of the heat pump compressor. The liquid in the high-temperature fluid channel releases heat and cools down, and then enters the solenoid valve 2 and the expansion valve 2. The solenoid valve 2 is also used to adjust the flow rate, and the expansion valve 2 also plays the role of reducing pressure and flash evaporation, thereby throttling, reducing pressure and cooling the liquid in the high-temperature fluid channel into a gas-liquid two-phase flow. The gas-liquid two-phase flow is merged into the evaporator to exchange heat with the waste hot water for evaporation. After the evaporator exchanges heat and evaporates, it enters the gas-liquid separator to increase the dryness of the steam before entering the heat pump compressor, so that the gas-liquid separator merges the low-temperature and low-pressure working fluid steam obtained after gas-liquid separation into the heat pump compressor. The low-temperature and low-pressure working fluid steam is compressed into high-temperature and high-pressure working fluid steam by the heat pump compressor and then enters the condenser.

In the steam heat pump subsystem, high-temperature and high-pressure working fluid steam enters the condenser, and another part of the waste hot water from the condenser is collected in the condenser through another waste hot water output pipeline. The high-temperature and high-pressure working fluid steam exchanges heat with the waste hot water in the condenser, and the steam generated after the waste hot water in the condenser absorbs heat is collected in the steam post-processing subsystem, and the high-temperature and high-pressure working fluid steam in the condenser releases heat and liquefies and then enters the liquid storage tank.

In the steam heat pump subsystem, the flow of waste hot water is driven by a circulating water pump, but it is not a closed cycle. A portion of the waste hot water flows out of the condenser and enters the condenser of the steam heat pump subsystem to absorb heat and evaporate into steam. Therefore, the waste hot water circulation channel needs to be continuously replenished with water. Specifically, the low-temperature water obtained after heat exchange and evaporation in the evaporator is collected through pipes and circulating water pumps to the subcooler and condenser to replenish water; at the same time, a solenoid valve 3 for adjusting the amount of replenishment is provided on the water supply pipe of the water tank, and the water in the water tank is collected through the solenoid valve and the circulating water pump to the subcooler and condenser to replenish water. In addition, the subcooler and the condenser are connected by a circulating pipe, and the water volume of the two can be supplemented.

In the steam post-processing subsystem, the flash tank and steam compressor are the main equipment.

When the condenser of the steam heat pump subsystem can produce water vapor that reaches the temperature required for distilling wine, close the switch valves 3 and 6, open the switch valves 4 and 7, and directly merge the water vapor into the wine retort as heat pump steam to supplement the steam required for heating the mash in the wine retort.

When the water vapor produced by the condenser of the steam heat pump subsystem is lower than the temperature required for distilling wine, close the switch valves 3, 5 and 7, open the switch valves 4 and 6, and start the steam compressor. At this time, the water vapor enters the steam compressor for recompression, and after the temperature and pressure of the water vapor are increased, it is merged into the wine retort as heat pump steam to supplement the steam required for heating the mash in the wine retort.

When the heat in the condenser of the steam heat pump subsystem is insufficient to evaporate the waste hot water into water vapor, close the switch valves 4, 6 and 7, open the switch valves 3 and 5, and start the steam compressor. At this time, the waste hot water first enters the flash tank, and part of the waste hot water absorbs heat and flashes into steam and flows out from the steam outlet at the top of the flash tank. The waste hot water that has not flashed has part of its heat absorbed and then cools down and flows out from the bottom of the flash tank, and can enter the condenser again to be heated as flash tail water. The temperature of the flashed steam is often low, and the steam can be re-collected into the steam compressor for compression, and after the temperature and pressure are increased, it can be collected into the wine retort as heat pump steam to supplement the steam required for heating the mash in the wine retort.

Example

A winery in Luzhou, Sichuan uses electric boilers to produce steam, which is then fed into the wine retort to heat the mash. The steam pressure is 0.2MPa, the temperature is 120℃, and the daily output of raw wine is 500kg with an alcohol content of 65-70°.

The energy consumption, economic and environmental parameters of the winery under the three modes of "non-steam waste heat utilization system", "existing steam waste heat utilization system" and "heat pump steam regeneration system" of the present invention are shown in Table 1. Among them, in the "existing steam waste heat utilization system", the steam waste heat is used for other purposes, and the waste heat is not converted into steam that can be used again for production.

Table 1 Energy consumption, economic and environmental parameters of each mode

As can be seen from Table 1, the average daily steam consumption and average daily power consumption of the "system without steam waste heat utilization" and the "existing steam waste heat utilization system" are the same, and neither of them has carried out energy conservation and emission reduction for the production process of liquor. The "heat pump steam regeneration system" of the present invention reuses the steam waste heat generated in the production process of liquor in the steam production required for liquor production, thereby improving the utilization rate of heat in the brewing process. Through calculation, compared with the "system without steam waste heat utilization" and the "existing steam waste heat utilization system", the "heat pump steam regeneration system" can reduce the average daily steam consumption by 32.5%, the average daily power consumption and the average daily electricity bill expenditure are reduced by the same proportion, and the average daily _CO2 emissions and the average daily _SO2 emissions are also reduced by the same proportion, achieving efficient energy conservation and emission reduction effects.

The preferred embodiments of the present invention are described in detail above in combination with the accompanying drawings and specific embodiments. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

Claims (7)

1. The utility model provides an utilize heat pump steam regeneration system of winery steam waste heat, includes and produces wine subsystem, its characterized in that: the system also comprises a steam heat pump subsystem and a steam post-treatment subsystem;

The steam heat pump subsystem comprises an evaporation separation unit, a heat pump compressor, a condenser, a liquid storage filtering unit and an economizer; the input pipeline of the condenser and the input pipeline of the evaporation separation unit are connected with the waste heat water output pipeline of the wine production subsystem; the liquid storage filtering unit comprises a liquid storage device and a filter, wherein an input pipeline of the liquid storage device is connected with a liquid output pipeline of the condenser, an output pipeline of the liquid storage device is connected with an input pipeline of the filter, and an output pipeline of the filter is connected with the economizer; the economizer is provided with a main runner and a secondary runner, the main runner is connected with a high-temperature fluid channel of the economizer, the secondary runner is connected with a low-temperature fluid channel of the economizer, and the secondary runner is sequentially provided with an electromagnetic valve and an expansion valve; the saturated gas of the economizer is connected with the heat pump compressor through a pipeline and a one-way valve; the working medium gas-liquid two-phase flow generated by the economizer is connected with the evaporation separation unit through a pipeline, and an electromagnetic valve and an expansion valve which are arranged on the pipeline; the low-temperature low-pressure working medium steam generated by the evaporation separation unit is converged into a heat pump compressor, and the high-temperature high-pressure working medium steam generated by the heat pump compressor after treatment is converged into a condenser; the steam output pipeline of the condenser is connected with the steam post-treatment subsystem;

The steam post-treatment subsystem comprises a flash tank, a steam compressor and a plurality of switch valves, a steam output pipeline of the condenser can be connected with the wine production subsystem through the switch valves, the steam output pipeline of the condenser can be connected with the wine production subsystem through the switch valves and the steam compressor in sequence, and the steam output pipeline of the condenser can be connected with the wine production subsystem through the switch valves, the flash tank and the steam compressor in sequence.

2. A heat pump steam regeneration system utilizing waste heat of winery steam as set forth in claim 1, wherein: the wine producing subsystem comprises a boiler steam unit, a wine steamer, a condensing unit, a wine receiving barrel and a waste water barrel; the boiler steam unit can adjust the supply amount of boiler steam, and the boiler steam generated by the boiler steam unit enters the wine steamer through a pipeline; the steam generated in the wine steamer is connected with a wine receiving barrel or a waste water barrel through a condensing unit; and the waste heat water output pipeline of the condensing unit is connected with the steam heat pump subsystem.

3. A heat pump steam regeneration system utilizing waste heat of winery steam as claimed in claim 2, wherein: the boiler steam unit comprises a water tank, an electromagnetic valve and a boiler which are sequentially connected through pipelines, and the electromagnetic valve is used for adjusting the water inflow of the boiler.

4. A heat pump steam regeneration system utilizing waste heat of winery steam according to claim 3, wherein: the condensing unit comprises a condenser and a recooler which are connected through a circulating pipeline; the condenser is provided with two waste heat water output pipelines, one waste heat water output pipeline is connected with the input pipeline of the condenser, and the other waste heat water output pipeline is connected with the input pipeline of the evaporation separation unit through an electromagnetic valve; the liquid discharge pipe of the recooler can be connected with the wine receiving barrel through a switch valve, and can also be connected with the waste water barrel through a switch valve.

5. A heat pump steam regeneration system utilizing waste heat of winery steam according to claim 3, wherein: the evaporation separation unit comprises an evaporator and a gas-liquid separator; the input pipeline of the evaporator is connected with the economizer and the condenser, and the output pipeline of the evaporator is connected with the gas-liquid separator; and an output pipeline of the gas-liquid separator is connected with the heat pump compressor.

6. A heat pump steam regeneration system utilizing waste heat of winery steam as set forth in claim 5, wherein: the low-temperature water of the evaporator is converged into a recooler of the wine-producing subsystem through a pipeline and a circulating water pump, and the recooler is used for converging the low-temperature water into a condenser through a circulating pipeline; the water tank is connected with the recooler through an electromagnetic valve and a circulating water pump.

7. The heat pump steam regeneration method utilizing the waste heat of the winery steam is characterized by comprising the following steps of:

In the wine production subsystem, water in a water tank is collected into a boiler through an electromagnetic valve, boiler steam generated by heating water by the boiler enters a wine steamer to heat fermented grains, mixed gas of the boiler steam after the fermented grains pass through a condenser is condensed into liquid, the liquid is further cooled through a recooler to obtain low-temperature liquid, the low-temperature liquid is collected into a wine receiving barrel or a waste water barrel according to alcohol content, waste heat water of the condenser is collected into a steam heat pump subsystem, and water in the water tank is collected into the recooler and the condenser through the electromagnetic valve and a circulating water pump to supplement water quantity;

In the steam heat pump subsystem, part of residual hot water of a condenser is converged into an evaporator through an electromagnetic valve, meanwhile, liquid in a liquid reservoir flows into a filter for filtering, part of filtered liquid is throttled and depressurized through an electromagnetic valve and an expansion valve on a secondary runner to become a gas-liquid two-phase flow which enters a low-temperature fluid channel of an economizer, the other part of filtered liquid enters a high-temperature fluid channel of the economizer through a main runner and exchanges heat with the gas-liquid two-phase flow of the low-temperature fluid channel, the gas-liquid two-phase flow absorbs heat to become saturated gas and then enters a gas supplementing channel of a heat pump compressor through a one-way valve, the liquid in the high-temperature fluid channel is throttled and depressurized through the electromagnetic valve and the expansion valve to become a gas-liquid two-phase flow after being cooled, and is converged into the evaporator for heat exchange with the residual hot water for evaporation, the evaporated heat exchanged and evaporated evaporator is converged into a recooler of the wine-producing subsystem and a condenser for supplementing water quantity through a low-temperature water pipe and a circulating water pump, and the evaporator exchanges heat and the evaporated liquid is separated through the gas-liquid separator, and the obtained low-temperature high-pressure working medium steam is converged into compressed high-pressure steam in the compressor;

the high-temperature and high-pressure working medium steam enters a condenser, the other part of waste heat water of the condenser is also converged into the condenser, the high-temperature and high-pressure working medium steam exchanges heat with the waste heat water in the condenser, the steam generated after the waste heat water in the condenser absorbs heat is converged into a steam post-treatment subsystem, and the high-temperature and high-pressure working medium steam in the condenser is subjected to heat release and liquefaction and then enters a liquid reservoir;

step three, in the steam aftertreatment subsystem:

When the condenser can produce water vapor reaching the temperature requirement required by wine steaming, the switch valve is regulated, and the water vapor is directly used as heat pump vapor to be collected into the wine steamer;

when the water vapor produced by the condenser is lower than the temperature required by wine steaming, the switch valve is regulated, the water vapor is collected into the vapor compressor, and the water vapor is collected into the wine steamer as heat pump vapor after being compressed, heated and boosted;

When the heat in the condenser is insufficient to evaporate the waste heat water into water vapor, the switch valve is adjusted, the waste heat water is converged into the flash tank to absorb heat and flash the water vapor, and then is converged into the vapor compressor to be compressed, heated and boosted, and then is converged into the wine steamer as heat pump vapor.