Heat energy recovery system

Abstract

The utility model relates to the technical field of recovery systems, and discloses a heat energy recovery system which comprises a water bath type sterilization cabinet, a steam condensation water tank, a plate heat exchanger, a water pool and a water circulation cooling system, the water bath type sterilization cabinet is communicated with the steam condensation water tank and the water circulation cooling system; the water circulation cooling system is communicated with the water tank and is used for cooling and recycling cooling water; the steam condensation water tank is communicated with the plate heat exchanger, the plate heat exchanger is used for recycling heat energy, and the plate heat exchanger is communicated with the water pool and used for recycling cooling water. One part of high-temperature water generated by the water bath type sterilization cabinet is cooled by the water circulation cooling system and then is introduced into the water tank for storage; the other part of high-temperature water generated by the water bath type sterilization cabinet is introduced into a steam condensation water tank, and then is introduced into a plate heat exchanger to exchange heat with external equipment such as a heating radiator or a water station, so that the recycling of heat energy is completed; then the high-temperature water completing heat energy exchange is introduced into a water pool to be stored; and by arranging the circulating pipeline of the plate heat exchanger, on the basis of ensuring the cyclic utilization of the cooling water, the recycling of the heat of the high-temperature cooling water is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of recovery systems, in particular to a heat energy recovery system. Background Art

[0002] In the pharmaceutical industry, the use of cooling water bath sterilizers requires processes such as heating, balancing, and cooling. Currently, the high-temperature cooling water and steam condensate generated by cooling water bath sterilizers produce a lot of waste heat, resulting in serious waste of resources. In order to ensure the recycling of water resources and at the same time, realize the reuse of waste heat resources, it is generally necessary to circulate and cool the high-temperature water before reuse.

[0003] In the existing technology, high-temperature cooling water and steam condensate from a cooling water bath sterilizer are collected in an underground water tank. A water pump then pumps the high-temperature water to a high-temperature cooling tower. The high-temperature cooling tower then cools the water, sending it to a low-temperature cooling tower before finally delivering it to the water bath sterilizer or other equipment requiring cooling water. This process has the following major drawbacks: First, it wastes energy. To lower the water temperature, the water pump and cooling tower fan are constantly running, wasting electricity. Second, heat is not recovered. In winter, when heating is needed, electricity or steam is used for heating, leaving the waste heat unused. Utility Model Content

[0004] In response to the problems existing in the prior art, the purpose of the present utility model is to provide a heat energy recovery system to solve the problem that in the prior art, there is a lot of waste heat in the high-temperature cooling water and steam condensate generated during the use of the cooling water bath sterilizer, and the heat energy is not recovered and the waste heat is not utilized.

[0005] A heat energy recovery system includes a water bath sterilizer, a steam condensation water tank, a plate heat exchanger, a water pool and a water circulation cooling system;

[0006] The water bath sterilizer is connected to the steam condensation water tank and the water circulation cooling system; the water circulation cooling system is connected to the water pool for cooling and recycling the cooling water; the steam condensation water tank is connected to the plate heat exchanger, the plate heat exchanger is used for recycling heat energy, and the plate heat exchanger is connected to the water pool for recycling the cooling water.

[0007] Furthermore, the water circulation cooling system includes a high-temperature cooling tower, a high-temperature water tank, a low-temperature cooling tower and a low-temperature water tank;

[0008] The high-temperature cooling tower is connected to the water bath sterilizer and the high-temperature water tank. A first circulation branch is provided between the high-temperature cooling tower and the high-temperature water tank, and a third water pump is provided on the first circulation branch; the high-temperature water tank is connected to the low-temperature water tank, and a thirteenth valve is provided between the high-temperature water tank and the low-temperature water tank, and the thirteenth valve is a temperature control valve; a second circulation branch is provided between the low-temperature water tank and the low-temperature cooling tower, and a fourth water pump is provided on the second circulation branch; the low-temperature water tank is connected to the water pool, and a fourteenth valve is provided on the water pool, and the fourteenth valve is a temperature control valve.

[0009] Further, when the cooling water temperature is lower than or equal to 50° C., the thirteenth valve is opened.

[0010] Furthermore, when the cooling water temperature is lower than or equal to 35° C., the fourteenth valve is opened.

[0011] Furthermore, the heat energy recovery system also includes a cooling water device, which is connected to a water pool and a low-temperature cooling tower; a first water pump is provided between the cooling water device and the water pool.

[0012] Furthermore, an eleventh valve is provided between the water bath sterilizer and the steam condensation water tank, and the eleventh valve is a temperature control valve; when the cooling water temperature is lower than or equal to 80°C, the eleventh valve opens.

[0013] Furthermore, a second water pump is provided between the water pool and the water bath sterilizer.

[0014] Beneficial effect: In this embodiment, a part of the high-temperature water generated by the water bath sterilizer is cooled by the water circulation cooling system, and then passed into the water pool for storage; another part of the high-temperature water generated by the water bath sterilizer is passed into the steam condensation water tank, and then passed into the plate heat exchanger to exchange heat with external radiators or water stations and other equipment to complete the recovery and utilization of heat energy; the high-temperature water that has completed the heat energy exchange is then passed into the water pool for storage; by setting up the circulation pipeline of the plate heat exchanger, the recycling and utilization of the heat of the high-temperature cooling water is achieved on the basis of ensuring the recycling of the cooling water. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the specification. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0017] In the figure: 1. Steam condensate tank; 2. Plate heat exchanger; 3. Water pool; 4. Cooling water equipment; 5. Water bath sterilizer; 6. High-temperature cooling tower; 7. High-temperature water tank; 8. Low-temperature water tank; 9. Low-temperature cooling tower; 101. First valve; 102. Second valve; 103. Third valve; 104. Fourth valve; 105. Fifth valve; 106. Sixth valve; 107. Seventh valve; 108. Eighth valve; 109. Ninth valve; 1010. Tenth valve; 1011. Eleventh valve; 1012. Twelfth valve; 1013. Thirteenth valve; 1014. Fourteenth valve; 111. First water pump; 112. Second water pump; 113. Third water pump; 114. Fourth water pump. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention are described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. For ease of explanation, the terms "vertical", "horizontal", "left", "right", "up", "down", "inside", "outside", "bottom", etc. used in this specification to indicate directions or positional relationships are based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the present application.

[0019] It should be noted that the embodiments of the present invention and the features involved in the embodiments can be combined with each other without conflict. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0020] like Figure 1 A heat recovery system shown includes a water bath sterilizer 5, a steam condensation tank 1, a plate heat exchanger 2, a water pool 3 and a water circulation cooling system;

[0021] The steam condensation water tank 1 is connected to the plate heat exchanger 2, the plate heat exchanger 2 is connected to the water pool 3, the water pool 3 is connected to the water bath sterilizer 5, the water bath sterilizer 5 is connected to the steam condensation water tank 1, and the water circulation cooling system is connected to the water pool 3 and the water bath sterilizer 5.

[0022] In this embodiment, a portion of the high-temperature water generated by the water bath sterilizer 5 is cooled by a water circulation cooling system, and then passed into the water pool 3 for storage; another portion of the high-temperature water generated by the water bath sterilizer 5 is passed into the steam condensation water tank 1, and then passed into the plate heat exchanger 2 to exchange heat with external radiators or water stations and other equipment to complete the recovery and utilization of heat energy; the high-temperature water that has completed the heat energy exchange is then passed into the water pool 3 for storage.

[0023] The water circulation cooling system includes a high-temperature cooling tower 6, a high-temperature water tank 7, a low-temperature water tank 8 and a low-temperature cooling tower 9; the high-temperature cooling tower 6 is connected to the water bath sterilizer 5, the high-temperature cooling tower 6 is connected to the high-temperature water tank 7 and is further provided with a first circulation branch, the high-temperature water tank 7 is connected to the low-temperature water tank 8, the low-temperature water tank 8 is connected to the low-temperature cooling tower 9 and is further provided with a second circulation branch; a thirteenth valve 1013 is provided between the high-temperature water tank 7 and the low-temperature water tank 8, and the thirteenth valve 1013 is a temperature control valve. When the water temperature is set to 50°C or less, the thirteenth valve 1013 opens, connecting the high-temperature water tank 7 to the low-temperature water tank 8. The low-temperature water tank 8 is connected to the pool 3 via the fourteenth valve 1014 and the twelfth valve 1012. The fourteenth valve 1014 is a temperature-controlled valve with a set temperature of 35°C. When the water temperature is less than or equal to 35°C, the fourteenth valve 1014 opens, connecting the low-temperature water tank 8 to the pool 3 and transferring the water in the low-temperature water tank 8 into the pool 3. A third water pump 113 is provided on the first circulation branch, and a fourth water pump 114 is provided on the second circulation branch. The temperature-controlled valves are conventional.

[0024] In this embodiment, the water circulation cooling system is divided into a high-temperature cooling system and a low-temperature cooling system. The high-temperature cooling system and the low-temperature cooling system are used to cool the high-temperature water section. The high-temperature cooling system includes a high-temperature cooling tower 6 and a high-temperature water tank 7, while the low-temperature cooling system includes a low-temperature cooling tower 9 and a low-temperature water tank 8. The high-temperature cooling system and the low-temperature cooling system are connected via a thirteenth valve 1013, which is a temperature-controlled valve that can automatically control the opening and closing of the valve. The high-temperature cooling system is suitable for cooling high-temperature water with a temperature range of 90-50°C, while the low-temperature cooling water system is suitable for cooling high-temperature water with a temperature range of 50-35°C. The temperature-controlled valve is conventional technology.

[0025] A tenth valve 1010 is provided between the water bath sterilizer 5 and the high-temperature cooling tower 6 , a ninth valve 109 is provided between the high-temperature cooling tower 6 and the high-temperature water tank 7 , and an eighth valve 108 is provided between the low-temperature water tank 8 and the low-temperature cooling tower 9 .

[0026] In this embodiment, the valve is not only used to control the flow of water, but also to prevent water leakage when replacing corresponding equipment.

[0027] The steam condensate tank 1 is equipped with a first valve 101 for controlling whether external steam condensate enters the steam condensate tank 1. The plate heat exchanger 2 is equipped with a second valve 102 for controlling liquid exchange between the plate heat exchanger 2 and the radiator or water station. A third valve 103 for liquid flow is provided between the water tank 3 and the plate heat exchanger 2. A fourth valve 104 is provided at the top of the water tank 3 for controlling whether external water enters the water tank 3. A second water pump 112 and a sixth valve 106 are provided between the water tank 3 and the water bath sterilizer 5. The second water pump 112 and the sixth valve 106 are used to control whether the water in the water tank 3 flows into the water bath sterilizer 5. An eleventh valve 1011 is provided between the water bath sterilizer 5 and the steam condensate tank 1. The eleventh valve 1011 is a temperature control valve that opens when the water temperature is less than or equal to 80°C. The temperature control valve is conventional.

[0028] In this embodiment, the valve is not only used to control the flow of water, but also to prevent water leakage when replacing corresponding equipment.

[0029] The heat recovery system also includes cooling water equipment 4, which is connected to the water tank 3. A first water valve and a fifth valve 105 are provided between the cooling water equipment 4 and the water tank 3. The cooling water equipment 4 is also connected to the low-temperature cooling tower 9. A seventh valve 107 is provided between the cooling water equipment 4 and the low-temperature cooling tower 9. The cooling water equipment 4 is a device other than the water bath sterilizer 5 in the prior art that requires cooling water for cooling.

[0030] In this embodiment, the cooling water equipment 4 is provided to further realize the recycling of cooling water and reduce the waste of resources.

[0031] Working principle: During the use of the water bath sterilizer 5, high-temperature cooling water and steam condensate are generated;

[0032] When the temperature of the high-temperature cooling water is greater than 80°C, the eleventh valve 1011 is closed, and the high-temperature cooling water generated by the water bath sterilizer 5 is passed into the high-temperature cooling tower 6. The water in the high-temperature cooling tower 6 and the high-temperature water tank 7 circulates with the help of the third water pump 113 to cool the high-temperature cooling water. When the water temperature is lower than or equal to 50°C, the thirteenth control valve is opened, the high-temperature water tank 7 is connected with the low-temperature water tank 8, and the water in the low-temperature water tank 8 and the low-temperature cooling tower 9 circulates with the help of the fourth water pump 114 to cool the high-temperature cooling water. When the water temperature is lower than or equal to 35°C, the low-temperature water tank 8 is connected with the water pool 3, and the water in the low-temperature water tank 8 flows into the water pool 3 for storage.

[0033] The temperature of the high-temperature cooling water is less than or equal to 80°C, the eleventh valve 1011 is opened, and part of the high-temperature cooling water generated by the water bath sterilizer 5 is cooled by the above-mentioned water circulation cooling system and then passed into the water pool 3, and another part is passed into the steam condensate tank 1, and is heat-exchanged with the steam condensate generated by other equipment or the water bath sterilizer 5 through the plate heat exchanger 2 and the radiator or water station, etc. The high-temperature cooling water and steam condensate are cooled and heat is recycled. The cooled high-temperature cooling water and steam condensate are passed into the water pool 3.

[0034] The cooling water in the water pool 3 is recycled through the above process, and water can also be actively replenished through the fourth valve 104; part of the cooling water in the water pool 3 is passed into the water bath sterilizer 5 through the second water pump 112, and part is passed into the cooling water equipment 4 through the first water pump 111. The cooling water equipment 4 passes the heated cooling water into the low-temperature cooling tower 9 and cools it through the water circulation in the low-temperature cooling tower 9 and the low-temperature water tank 8. Then, when the fourteenth temperature control valve is opened, the cooled water is passed into the water pool 3 for recycling.

[0035] Although preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they are aware of the basic inventive concepts. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention. Clearly, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, to the extent such changes and modifications fall within the scope of the claims and their equivalents, the present invention is intended to encompass such changes and modifications.

Claims

1. A heat recovery system, characterized in that: Including water bath sterilizer, steam condensation tank, plate heat exchanger, water pool and water circulation cooling system; The water bath sterilizer is connected to the steam condensation water tank and the water circulation cooling system; the water circulation cooling system is connected to the water pool for cooling and recycling the cooling water; the steam condensation water tank is connected to the plate heat exchanger, the plate heat exchanger is used for recycling heat energy, and the plate heat exchanger is connected to the water pool for recycling the cooling water.

2. A heat recovery system according to claim 1, characterized in that: The water circulation cooling system includes a high-temperature cooling tower, a high-temperature water tank, a low-temperature cooling tower and a low-temperature water tank; The high-temperature cooling tower is connected to the water bath sterilizer and the high-temperature water tank. A first circulation branch is provided between the high-temperature cooling tower and the high-temperature water tank, and a third water pump is provided on the first circulation branch; the high-temperature water tank is connected to the low-temperature water tank, and a thirteenth valve is provided between the high-temperature water tank and the low-temperature water tank, and the thirteenth valve is a temperature control valve; a second circulation branch is provided between the low-temperature water tank and the low-temperature cooling tower, and a fourth water pump is provided on the second circulation branch; the low-temperature water tank is connected to the water pool, and a fourteenth valve is provided on the water pool, and the fourteenth valve is a temperature control valve.

3. A heat recovery system according to claim 2, characterized in that: When the cooling water temperature is lower than or equal to 50℃, the thirteenth valve opens.

4. A heat recovery system according to claim 2, characterized in that: When the cooling water temperature is lower than or equal to 35°C, the fourteenth valve opens.

5. The heat recovery system according to claim 2, characterized in that: The heat energy recovery system further comprises a cooling water device, which is connected to a water pool and a low-temperature cooling tower; a first water pump is provided between the cooling water device and the water pool.

6. The heat recovery system according to claim 1, characterized in that: An eleventh valve is provided between the water bath sterilizer and the steam condensation water tank. The eleventh valve is a temperature control valve. When the cooling water temperature is lower than or equal to 80° C., the eleventh valve opens.

7. The heat recovery system according to claim 1, characterized in that: A second water pump is provided between the water pool and the water bath sterilizer.

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