Heat recovery system
By adopting a heat recovery system in the slaughtering and food processing industry, and utilizing oil heat recovery units and ammonia heat recovery units to recover waste heat, the problem of waste heat emissions from traditional refrigeration systems has been solved, achieving efficient energy utilization and cost reduction.
Patent Information
- Application Number
- CN202520407553.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-10
AI Technical Summary
In the slaughter and food processing industry, the waste heat generated by traditional refrigeration systems is directly discharged, resulting in energy waste and increased operating costs.
A heat recovery system is adopted, including an oil heat recovery unit, an ammonia heat recovery unit, a heat pump heat recovery unit and related equipment, which produces low-temperature and high-temperature domestic hot water by separating oil and ammonia gas for heat exchange.
It reduces energy waste, lowers business operating costs, and enables the effective recovery and utilization of waste heat.
Smart Images
Figure CN223807404U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of heat recovery, in particular to a heat recovery system. BACKGROUND
[0002] In the meat processing industry, the refrigeration system is the key equipment to ensure food quality and safety. However, the traditional refrigeration system will generate a large amount of waste heat during operation, which is usually directly discharged into the environment, not only causing waste of energy, but also increasing the operating cost and environmental burden of enterprises. CONTENT OF THE UTILITY MODEL
[0003] In order to reduce the waste of energy, the present application provides a heat recovery system.
[0004] The heat recovery system provided by the present application adopts the following technical scheme:
[0005] A heat recovery system, comprising a first recovery device, a second recovery device and an oil separator, the first recovery device comprising an oil heat recovery device, a constant pressure water supply assembly and a low temperature water tank, the second recovery device comprising an ammonia heat recovery device, a high pressure heat source water circulating pump, a heat pump heat recovery unit and a high temperature water tank, the oil separator having a feed inlet, an oil outlet and a gas outlet, the oil outlet being communicated with the oil inlet of the oil heat recovery device, the gas outlet being communicated with the ammonia heat recovery device, the constant pressure water supply assembly being communicated with the oil heat recovery device, and the high pressure heat source water circulating pump being communicated with the heat pump heat recovery unit.
[0006] By adopting the above technical scheme, the first recovery device and the second recovery device are provided, the oil separator first separates the oil and ammonia gas, the oil enters the oil heat recovery device, the constant pressure water supply assembly sends water into the heat recovery device for heat exchange with the oil, so that the water becomes low temperature water, and the ammonia gas enters the ammonia heat recovery device, the high pressure heat source water circulating pump sends water into the heat pump heat recovery unit, the heat pump heat recovery unit recovers the exhaust heat of the ammonia heat recovery device to produce high temperature domestic hot water, thereby reducing the waste of energy.
[0007] Optionally, the first recovery device further comprises a low temperature water tank, the water outlet of the oil heat recovery device being communicated with the low temperature water tank, and the second recovery device further comprises a high temperature water tank, the water outlet of the heat pump heat recovery unit being communicated with the low temperature water tank.
[0008] By adopting the above technical scheme, the low temperature water tank and the high temperature water tank are provided, and the heated low temperature water and high temperature water can be respectively stored in the low temperature water tank and the high temperature water tank.
[0009] Optionally, the oil heat recovery device is communicated with an oil cooler.
[0010] By adopting the technical scheme, the oil cooler is arranged, and when the oil after heat exchange treatment is not completely cooled, the oil cooler can be used for further cooling.
[0011] Optionally, the water inlet of the constant-pressure water supplement assembly is sequentially connected with a soft water tank and a soft water device.
[0012] By adopting the technical scheme, the soft water tank and the soft water device are arranged, the soft water device is used for softening tap water, and the soft water tank is used for storing the softened water.
[0013] Optionally, the outlet of the low-temperature water tank is connected with a first water supply pump, and the outlet of the high-temperature water tank is connected with a second water supply pump.
[0014] By adopting the technical scheme, the first water supply pump and the second water supply pump are arranged, and are used for conveying the water in the low-temperature water tank and the high-temperature water tank.
[0015] Optionally, the oil heat recoverer is arranged in plurality, and the plurality of oil heat recoverers are connected in parallel with each other and connected with the oil outlet of the oil separator.
[0016] By adopting the technical scheme, the plurality of oil heat recoverers are arranged, so that the efficiency of heat exchange is improved.
[0017] Optionally, the oil outlet of the oil separator is connected with a first communication pipe, the first communication pipe is connected with a plurality of second communication pipes, one end of the second communication pipe is connected with the first communication pipe, the other end of the second communication pipe is connected with the oil cooler, the middle part of the second communication pipe is provided with a first valve, the second communication pipe is provided with a third communication pipe and a fourth communication pipe, the third communication pipe and the fourth communication pipe are respectively located on the two sides of the second communication pipe, the middle part of the third communication pipe is provided with a second valve, the middle part of the fourth communication pipe is provided with a third valve, the other end of the third communication pipe is connected with the oil inlet of the oil heat recoverer, and the third communication pipe is provided with a thermometer.
[0018] By adopting the technical scheme, the temperature of the oil is measured by the thermometer, when the temperature is low, the second valve and the third valve are closed, the oil directly flows into the oil cooler from the second communication pipe, so that the oil cannot enter the oil heat recoverer, and when the temperature of the oil is high, the first valve is closed, and the second valve and the third valve are opened, so that the oil can enter the oil heat recoverer.
[0019] In summary, the present application has at least one of the following beneficial technical effects:
[0020] 1. Set up with first recovery device and second recovery device, first oil separator separates oil and ammonia gas, oil enters into oil heat recovery device, constant pressure water supply assembly sends water into heat recovery device to exchange heat with oil, so that water becomes low temperature water, ammonia gas enters into ammonia heat recovery device, high pressure heat source water circulating pump sends water into heat pump heat recovery unit, heat pump heat recovery unit recovers exhaust heat of ammonia heat recovery device to produce high temperature domestic hot water;
[0021] 2. Measure the temperature of oil by thermometer, when the temperature is low, close second valve and third valve, oil directly flows into oil cooler from second communication pipe so that oil does not enter into oil heat recovery device, when the temperature of oil is high, close first valve, open second valve and third valve, so that oil can enter into oil heat recovery device. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 is a structural schematic diagram of the embodiment;
[0023] Figure 2 is Figure 1 an enlarged schematic diagram of A in
[0024] BRIEF DESCRIPTION OF DRAWINGS: 1, first recovery device; 11, oil heat recovery device; 12, constant pressure water supply assembly; 13, low temperature water tank; 131, first water supply pump; 14, oil cooler; 2, second recovery device; 21, ammonia heat recovery device; 22, heat pump heat recovery unit; 23, high pressure heat source water circulating pump; 24, high temperature water tank; 241, second water supply pump; 3, oil separator; 31, first communication pipe; 32, second communication pipe; 321, first valve; 33, third communication pipe; 331, second valve; 34, fourth communication pipe; 341, third valve; 4, soft water equipment; 5, soft water tank. DETAILED DESCRIPTION
[0025] The following will be described in detail in combination with the accompanying Figures 1-2 The present application is further described in detail.
[0026] The embodiment of the present application discloses a heat recovery system. Referring to Figure 1 and Figure 2 , including first recovery device 1, second recovery device 2 and oil separator 3, the first recovery device 1 includes oil heat recovery device 11 and constant pressure water supply assembly 12.
[0027] Referring to Figure 1 and Figure 2 , the oil separator 3 has a feed inlet, an oil outlet and a gas outlet, the oil outlet of the oil separator 3 is communicated with the first communication pipe 31, one end of the first communication pipe 31 is communicated with a plurality of second communication pipes 32, and the second communication pipes 32 are communicated with the oil cooler 14 away from the first communication pipe 31.
[0028] With reference to Figure 1 and Figure 2 , the oil heat recovery device 11 is provided with several, several oil heat recovery device 11 is corresponding to several second communication pipe 32, the oil inlet of oil heat recovery device 11 is communicated with third communication pipe 33, the oil outlet of oil heat recovery device 11 is communicated with fourth communication pipe 34, the end of third communication pipe 33 and fourth communication pipe 34 away from oil heat recovery device 11 is communicated with second communication pipe 32.
[0029] With reference to Figure 1 and Figure 2 , the second communication pipe 32 is provided with first valve 321, first valve 321 is located between third communication pipe 33 and fourth communication pipe 34, the middle part of third communication pipe 33 is provided with second valve 331, the middle part of fourth communication pipe 34 is provided with third valve 341, third communication pipe 33 is provided with thermometer. The temperature of oil is measured by thermometer, when the temperature is low, second valve 331 and third valve 341 are closed, oil directly flows into oil cooler 14 from second communication pipe 32 so that oil does not enter into oil heat recovery device 11, when the temperature of oil is high, first valve 321 is closed, second valve 331 and third valve 341 are opened, so that oil can enter into oil heat recovery device 11.
[0030] With reference to Figure 1 and Figure 2 , the constant pressure water replenishing assembly 12 is communicated with the water inlet of oil heat recovery device 11, the water inlet of constant pressure water replenishing assembly 12 is provided with soft water tank 5 and soft water equipment 4 in sequence, soft water equipment 4 is communicated with tap water pipe, soft water equipment 4 softens tap water and then sends water to soft water tank 5, soft water tank 5 sends water to constant pressure water replenishing assembly 12.
[0031] With reference to Figure 1 and Figure 2 , the first recovery device 1 includes low temperature water tank 13, the water outlet of oil heat recovery device 11 is communicated with low temperature water tank 13, the water outlet of low temperature water tank 13 is communicated with first water supply pump 131.
[0032] With reference to Figure 1 and Figure 2 , the second recovery device 2 includes ammonia heat recovery device 21, high pressure heat source water circulating pump 23, heat pump heat recovery unit 22 and high temperature water tank 24. The gas outlet of oil separator 3 is communicated with ammonia heat recovery device 21, high pressure heat source water circulating pump 23 is communicated with heat pump heat recovery unit 22, ammonia heat recovery device 21 is communicated with heat pump recovery unit, the water outlet of heat pump recovery unit is communicated with high temperature water tank 24, the water outlet of high temperature water tank 24 is communicated with second water supply pump 241.
[0033] The implementation principle of the heat recovery system in the embodiment of the present application is that the first recovery device 1 and the second recovery device 2 are arranged, first, the oil separator 3 separates the oil and the ammonia gas, the oil enters into the oil heat recovery device 11, the constant-pressure water supplement assembly 12 sends the water into the heat recovery device to exchange heat with the oil, so that the water becomes low-temperature water, the ammonia gas enters into the ammonia heat recovery device, the high-pressure heat source water circulating pump 23 sends the water into the heat pump heat recovery unit 22, the heat pump heat recovery unit 22 recovers the exhaust heat in the ammonia heat recovery device 21 to produce high-temperature domestic hot water.
[0034] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.
Claims
1. A heat recovery system characterized by: The device comprises a first recovery device (1), a second recovery device (2) and an oil separator (3), the first recovery device (1) comprises an oil heat recovery device (11), a constant pressure water supply assembly (12) and a low temperature water tank (13), the second recovery device (2) comprises an ammonia heat recovery device (21), a high pressure heat source water circulating pump (23), a heat pump heat recovery unit (22) and a high temperature water tank (24), the oil separator (3) has a feed inlet, an oil outlet and a gas outlet, the oil outlet is communicated with the oil inlet of the oil heat recovery device (11), the gas outlet is communicated with the ammonia heat recovery device (21), the constant pressure water supply assembly (12) is communicated with the oil heat recovery device (11), and the high pressure heat source water circulating pump (23) is communicated with the heat pump heat recovery unit (22).
2. A heat recovery system according to claim 1, characterised in that: The first recovery device (1) further comprises a low temperature water tank (13), and the water outlet of the oil heat recovery device (11) is communicated with the low temperature water tank (13); the second recovery device (2) further comprises a high temperature water tank (24), and the water outlet of the heat pump heat recovery unit (22) is communicated with the low temperature water tank (13).
3. A heat recovery system according to claim 2, wherein: The oil heat recovery device (11) is provided with an oil cooler (14) communicated with the water outlet thereof.
4. A heat recovery system according to claim 2, wherein: The water inlet of the constant pressure water supply assembly (12) is sequentially communicated with a soft water tank (5) and a soft water device (4).
5. A heat recovery system according to claim 2, wherein: The water outlet of the low temperature water tank (13) is communicated with a first water supply pump (131), and the water outlet of the high temperature water tank (24) is communicated with a second water supply pump (241).
6. A heat recovery system according to claim 1, wherein: The oil heat recovery device (11) is provided with a plurality of oil heat recovery devices (11) which are connected in parallel with each other and communicated with the oil outlet of the oil separator (3).
7. A heat recovery system according to claim 6, wherein: The oil outlet of the oil separator (3) is communicated with a first communication pipe (31), the first communication pipe (31) is communicated with a plurality of second communication pipes (32), one end of the second communication pipe (32) is communicated with the first communication pipe (31), the other end of the second communication pipe (32) is communicated with the oil cooler (14), the middle part of the second communication pipe (32) is provided with a first valve (321), the second communication pipe (32) is provided with a third communication pipe (33) and a fourth communication pipe (34), the third communication pipe (33) and the fourth communication pipe (34) are respectively located on the two sides of the second communication pipe (32), the middle part of the third communication pipe (33) is provided with a second valve (331), the middle part of the fourth communication pipe (34) is provided with a third valve (341), the other end of the third communication pipe (33) is communicated with the oil inlet of the oil heat recovery device (11), and the third communication pipe (33) is provided with a thermometer.