CN213232192U - Wine brewing cooling circulation system with waste heat grading recovery function - Google Patents

Wine brewing cooling circulation system with waste heat grading recovery function Download PDF

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CN213232192U
CN213232192U CN202021788773.8U CN202021788773U CN213232192U CN 213232192 U CN213232192 U CN 213232192U CN 202021788773 U CN202021788773 U CN 202021788773U CN 213232192 U CN213232192 U CN 213232192U
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buffer tank
water
heat
wine
circulation system
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张跃
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Broad Air Conditioning Co ltd
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Broad Air Conditioning Co ltd
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Abstract

A cooling circulation system with a waste heat grading recovery function for wine brewing comprises a wine steaming device, a first buffer tank, a heating heat exchanger, a primary cooler, a heat pump unit and a second buffer tank; the wine steaming device comprises a condenser, a water outlet of the condenser is sequentially connected with a first buffer tank, a heating heat exchanger, a primary cooler, a heat pump unit and a second buffer tank through pipelines, and a water outlet of the second buffer tank is connected with a water inlet of the condenser of the wine steaming device through a pipeline to form a cooling circulation system. The utility model discloses not only realized distillation cooling cycle, still the maximize has utilized the heat to supply heat simultaneously, can effectively reduce the water consumption of winery, and the water conservation rate can reach more than 80%, and the maximize has improved recirculated cooling water's heat utilization efficiency, has solved the thermal pollution problem.

Description

Wine brewing cooling circulation system with waste heat grading recovery function
Technical Field
The utility model relates to a making wine field, especially a making wine is with cooling circulation system who takes waste heat fractional recovery function.
Background
The brewing process of the white spirit is accompanied by high energy consumption and high water consumption, generally, 30-40 tons of water are consumed for producing one ton of white spirit, and if the white spirit is a Maotai-flavor type famous wine, even 50-60 tons of water are consumed for one ton of white spirit. In all water consumption, the water consumption for cooling in the distillation process is the largest and reaches 50%, and if the water can be recycled or the consumption is reduced, the water-saving benefit is considerable.
At present, the water-saving measures for the distilled cooling water process are mainly recycled. In a certain winery in Jiangsu, cooling water is recovered and collected into a water collecting tank, and is distributed to a bathroom and a packaging workshop for bottle washing, and finally the cooling water is used as water for production and living. A certain winery in Hebei adopts the collection, precipitation, cooling and filtration treatment methods for repeated reuse, and can save 90 thousands of water each year.
The water waste of the existing wine brewing cooling process is a common phenomenon, and the problems of overhigh cooling water temperature, reduced wine yield, thermal pollution and the like caused by the influence of local climate are easily caused. For example, in a famous Erguotou winery in Beijing, tap water is used for cooling, the water drainage temperature is as high as 60-70 ℃, the local environmental protection requirement cannot be met due to too high temperature, the winery has to adopt normal temperature water for cooling to 30 ℃ and then discharge, and the water consumption is doubled. The water discharging temperature of a certain famous strong-flavor liquor in Luzhou, Sichuan is 75 ℃, the liquor is recycled by adopting a cooling tower cooling mode, the temperature of cooling water cannot reach below 30 ℃ in summer and autumn due to hot weather, and the cooling water is an open system, so that strains in a winery are various, the water temperature is suitable for breeding, the cooling tower and a condenser are softened and scaled, and the cooling effect is seriously influenced. A Maotai-flavor liquor of a certain famous Guizhou province is prepared by cooling liquor steam by red river water to generate low-temperature cooling water of 50 ℃ and directly discharging the low-temperature cooling water to a red river to cause thermal pollution of the red river and influence the ecology of the red river. In addition, some wineries adopt an air cooling mode for cooling, and the cooling effect is deteriorated and the wine yield is reduced in hot summer due to higher air temperature.
For some northern wineries, heating can be performed on the wineries, the traditional mode is that heat is supplied in the form of steam heat exchange or a town heat network, and a large amount of medium-temperature waste heat generated in the brewing process is directly discharged, so that a large amount of energy is wasted. Therefore, the problems of high water consumption and thermal pollution of the liquor distillation cooling process become important reasons for restricting the development of the liquor industry, and are technical problems to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above-mentioned not enough of prior art and providing a water conservation, energy-conservation, environmental protection, making wine that heat utilization rate is high is with cooling circulation system who takes waste heat fractional recovery function.
The technical scheme of the utility model is that: a cooling circulation system with a waste heat grading recovery function for wine brewing comprises a wine steaming device, a first buffer tank, a heating heat exchanger, a primary cooler, a heat pump unit and a second buffer tank; the wine steaming device comprises a condenser, a water outlet of the condenser is sequentially connected with a first buffer tank, a heating heat exchanger, a primary cooler, a heat pump unit and a second buffer tank through pipelines, and a water outlet of the second buffer tank is connected with a water inlet of the condenser of the wine steaming device through a pipeline to form a cooling circulation system.
Furthermore, the heating heat exchanger is connected with a heating or heat supply pipeline to form a heating cycle. The heating water temperature may not be configured if it is higher than the water temperature of the first buffer tank.
Further, the primary cooler is also connected with a water supplementing system and used for preheating and supplementing water. If no water supplement preheating requirement exists, heat dissipation can be carried out without configuration or in a water/air cooling mode.
Further, the heat pump unit is a lithium bromide absorption heat pump unit or a vapor compression heat pump unit.
Further, the lithium bromide absorption heat pump unit is a lithium bromide absorption heat pump driven by steam or gas type and the like; the vapor compression heat pump unit is a piston type, screw type or centrifugal heat pump and the like.
Furthermore, a hot water outlet and a hot water inlet of the heat pump unit are respectively connected with a heat supply system pipeline to form a heat supply circulating system.
Further, the first buffer tank is a medium temperature water buffer tank, and the second buffer tank is a low temperature water buffer tank.
Furthermore, the buffer tank is provided for each condenser of the wine distilling device, or the buffer tank is shared by a plurality of condensers, or the buffer tank is provided for one condenser.
Further, the number of the wine steaming devices is not less than two.
Furthermore, one branch of a water outlet pipeline of the first buffer tank is connected with a heating heat exchanger, the other branch of the water outlet pipeline of the first buffer tank is connected with a grain moistening heat exchanger, and a water outlet pipeline of the grain moistening heat exchanger is connected with an inlet of the steam type heat pump; the grain moistening heat exchanger is also connected with a water replenishing system.
The utility model has the advantages that:
(1) the medium temperature cooling water generated in the wine brewing distillation cooling process is utilized in a grading way according to different temperatures: the height section adopts a heat exchange mode for supplying heat; the medium temperature section adopts a heat exchange mode for water replenishing and preheating; the low-temperature section is improved by adopting a heat pump technology for supplying heat; the problem of thermal pollution is solved, waste heat is utilized for heat supply, and energy conservation is realized;
(2) the temperature of the low-temperature cooling water finally obtained by adopting the method of recycling the medium-temperature cooling water in stages is consistent with the temperature required by the brewing process, and the process requirements are met;
(3) by arranging the buffer tanks, the problem that the operation time of a condenser of each wine steaming device is inconsistent with the flow of cooling water can be solved, so that the operation time and the flow of the cooling water are firstly collected into the first buffer tank for caching;
(4) the distillation cooling process is changed from an original open system to a closed system, so that the scaling risk is avoided, and the process operation is more stable;
(5) the temperature of the cooling water in the evaporative cooling process is more controllable, and the wine yield and the wine quality are ensured.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
Example 1
As shown in fig. 1: a cooling circulation system with a waste heat grading recovery function for wine brewing comprises a wine steaming device, a first buffer tank, a heating heat exchanger, a primary cooler, a heat pump unit and a second buffer tank; the wine steaming device comprises a condenser, a water outlet of the condenser is sequentially connected with a first buffer tank, a heating heat exchanger, a primary cooler, a heat pump unit and a second buffer tank through pipelines, and a water outlet of the second buffer tank is connected with a water inlet of the condenser of the wine steaming device through a pipeline to form a cooling circulation system.
Wherein, the hot water outlet and the hot water inlet of the heating heat exchanger are respectively connected with a heating or heat supply pipeline to form hot water circulation heating. The outlet of the primary cooler is also connected with the water inlet of a grain moistening device for brewing wine, and the inlet of the primary cooler is connected with the water outlet of the grain moistening device for supplementing water. The heat pump unit of this embodiment is lithium bromide absorption heat pump unit, and is the steam type heat pump, adopts steam drive, and the hot water outlet and the hot water entry of steam type heat pump also connect heating system, form hot water circulation heating.
In general, a plurality of wine distilling devices are arranged in a wine brewing workshop, and medium-temperature cooling water generated by a condenser of each wine distilling device is collected and converged into a first buffer tank. The first buffer tank is mainly used for storing medium-temperature water, and the second buffer tank is used for storing low-temperature water. The first buffer tank and the second buffer tank may be provided for each condenser of the wine distilling apparatus, may share one first buffer tank and one second buffer tank with a plurality of condensers, may be provided for each condenser of one condenser, and the like.
The working principle of the embodiment is as follows: when a production workshop and an office area of a wine factory in the north have heating requirements in winter, the low-grade heat recovery can be realized by combining the steam type lithium bromide absorption heat pump unit for heating. Conveying the 80 ℃ medium temperature cooling water of the first buffer tank to a heating heat exchanger through a water pump, and then cooling to 55 ℃; the hot water at 60-70 ℃ generated in the refrigeration process is used for heating, and the heating water at 50 ℃ generated by the heating system enters the heating heat exchanger to form circulation of the heating water. Cooling the medium temperature cooling water of 55 ℃ to 30 ℃ by a primary cooler, and using the heat (such as 50 ℃) of the primary cooler after cooling to preheat the grain moistening water; cooling water cooled to 30 ℃ is cooled to 22 ℃ by a steam type heat pump for recycling. The hot water at 60-70 ℃ generated by the steam type heat pump after heat exchange is used for heating, and the heating water at 50 ℃ generated by the heating system enters the steam type heat pump to form circulation of the heating water.
It is understood that the above temperature value is only one preferable value of the present invention, and the present invention is not particularly limited.
Example 2
As shown in fig. 2: the difference with embodiment 1 lies in that, a branch of the water outlet pipeline of the first buffer tank is connected with the heating heat exchanger, the other branch is connected with the grain moistening heat exchanger, and the water outlet pipeline of the grain moistening heat exchanger is connected with the inlet of the steam type heat pump. Wherein, moist grain heat exchanger still connects water charging system.
The following is a preferred embodiment of the present invention:
a large amount of medium-temperature hot water with the temperature of 85 ℃ is generated in the wine brewing distillation process of a certain brewery in the north, and all the medium-temperature hot water is collected into the first buffer tank. The hot water in the first buffer tank is divided into two parts by a pump: one of the water enters a grain moistening heat exchanger to preheat low-temperature water at the temperature of 15 ℃ to 80 ℃; the other branch enters a heating heat exchanger to heat the heating water with the temperature of 45 ℃ to 65 ℃. The hot water after heat exchange is cooled to below 30 ℃ by adopting cooling water through a first-stage cooler and then is converged with the medium-temperature hot water at 20 ℃ after heat exchange of the other grain moistening heat exchanger; after the heat is recovered by the heat pump driven by steam, the heating water with the temperature of 45 ℃ is heated to 65 ℃.
In conclusion, the system not only realizes distillation cooling circulation, but also maximizes the heat supply by utilizing the heat, can effectively reduce the water consumption of the winery, has the water saving rate of over 80 percent, has no scaling risk and more stable process operation because the distillation cooling process is changed from an original open system to a closed system, maximizes the heat utilization rate of the circulating cooling water by combining the refrigeration and heating requirements of the winery, and solves the problem of heat pollution.

Claims (10)

1. A cooling circulation system with a waste heat grading recovery function for wine brewing is characterized by comprising a wine steaming device, a first buffer tank, a heating heat exchanger, a primary cooler, a heat pump unit and a second buffer tank; the wine steaming device comprises a condenser, a water outlet of the condenser is sequentially connected with a first buffer tank, a heating heat exchanger, a primary cooler, a heat pump unit and a second buffer tank through pipelines, and a water outlet of the second buffer tank is connected with a water inlet of the condenser of the wine steaming device through a pipeline to form a cooling circulation system.
2. The cooling cycle system with waste heat grading recovery function for wine brewing as claimed in claim 1, wherein the heating heat exchanger is connected with a heating or heat supply pipeline to form a heating cycle.
3. The wine brewing cooling circulation system with the waste heat grading and recycling function as claimed in claim 1 or 2, wherein the primary cooler is further connected with a water supplementing system for preheating and supplementing water.
4. The cooling circulation system with waste heat grading recovery function for brewing wine according to claim 1 or 2, wherein the heat pump unit is a lithium bromide absorption heat pump unit or a vapor compression heat pump unit.
5. The cooling circulation system with the waste heat grading recovery function for wine brewing according to claim 4, wherein the lithium bromide absorption heat pump unit is a steam or gas type driven lithium bromide absorption heat pump; the vapor compression heat pump unit is a piston type, screw type or centrifugal heat pump.
6. The cooling circulation system with the waste heat grading recovery function for wine brewing according to claim 1 or 2, wherein a hot water outlet and an inlet of the heat pump unit are respectively connected with a heat supply system pipeline to form a heat supply circulation system.
7. The cooling circulation system with the waste heat grading and recycling function for wine brewing according to claim 1 or 2, characterized in that the first buffer tank is a medium temperature water buffer tank, and the second buffer tank is a low temperature water buffer tank.
8. The wine brewing cooling circulation system with waste heat grading and recycling function as claimed in claim 1 or 2, characterized in that the buffer tank is provided for each condenser of the wine distilling device, or the buffer tank is shared by a plurality of condensers, or one of the condensers is provided for each condenser.
9. The cooling circulation system with the waste heat grading and recycling function for wine brewing according to claim 1 or 2, characterized in that the number of the wine steaming devices is not less than two.
10. The cooling circulation system with the waste heat grading recovery function for wine brewing according to claim 1 or 2, wherein one branch of the water outlet pipeline of the first buffer tank is connected with a heating heat exchanger, the other branch of the water outlet pipeline of the first buffer tank is connected with a grain moistening heat exchanger, and the water outlet pipeline of the grain moistening heat exchanger is connected with an inlet of a steam type heat pump; the grain moistening heat exchanger is also connected with a water replenishing system.
CN202021788773.8U 2020-08-25 2020-08-25 Wine brewing cooling circulation system with waste heat grading recovery function Active CN213232192U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116218629A (en) * 2023-03-29 2023-06-06 同方节能工程技术有限公司 Carbon reduction and synergy system for solid-state fermented glutinous rice steamer brewing process
CN117419326A (en) * 2023-12-19 2024-01-19 河北科力空调工程有限公司 High-temperature steam heat pump boiler system for recycling cold and heat in breweries

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116218629A (en) * 2023-03-29 2023-06-06 同方节能工程技术有限公司 Carbon reduction and synergy system for solid-state fermented glutinous rice steamer brewing process
CN117419326A (en) * 2023-12-19 2024-01-19 河北科力空调工程有限公司 High-temperature steam heat pump boiler system for recycling cold and heat in breweries
CN117419326B (en) * 2023-12-19 2024-02-27 河北科力空调工程有限公司 High-temperature steam heat pump boiler system for recycling cold and heat in breweries

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