CN116294209A

CN116294209A - Waste heat recovery double-engine hot water supply system

Info

Publication number: CN116294209A
Application number: CN202310338858.8A
Authority: CN
Inventors: 曹政斌
Original assignee: Shenyang Zhongke Xinying Artificial Environment Equipment Co ltd
Current assignee: Shenyang Zhongke Xinying Artificial Environment Equipment Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-06-23

Abstract

The invention provides a waste heat recovery double-engine hot water supply system which comprises a hot water soaking pool, a shower room, a sewage pool, a heat exchange box and a changing room, wherein a first plate heat exchanger and a hot water box are arranged between the hot water soaking pool and the shower room. The hot water in the hot water bubble tank can be circulated between the hot water bubble tank and the first plate heat exchanger through the constant temperature circulation pipeline by the constant temperature pump of the bubble tank, so that the water in the hot water bubble tank exchanges heat with the hot water at 65 ℃, and the temperature of the hot water bubble tank can be kept in a certain interval.

Description

Waste heat recovery double-engine hot water supply system

Technical Field

The invention relates to the technical field of waste heat recovery, in particular to a waste heat recovery double-engine hot water supply system.

Background

With the improvement of living standard of people, various bathing pools and bathing centers are gradually increased. However, the increased bath centers have practical problems, one of which is that a large amount of waste water with a considerable temperature is discharged every day, which is a waste of energy, and the loss of heat not only increases the cost of bath, but also increases the burden of energy in the case of shortage of energy.

From the angle of energy utilization, in the in-process of bathing, hot water can not preheat cold water when adopting the compressor to heat up water for the load of compressor is higher, and long-time work can cause great damage to the compressor, and in the prior art hot water can not carry out reasonable distribution, makes more loss of energy.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a waste heat recovery double-engine hot water supply system, which solves the problems that in the bathing process, hot water cannot preheat cold water when the water is heated by adopting a compressor, so that the compressor has higher load and can cause larger damage to the compressor after long-time work, and the hot water cannot be reasonably distributed in the prior art, so that more energy is lost.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: waste heat recovery is two to hold up hot water supply system, including hot water bubble pond, shower room, effluent water sump, heat exchange box and change between the clothing, be provided with first plate heat exchanger and hot-water tank between hot water bubble pond and the shower room, the inside of effluent water sump is provided with soaks the heat exchanger, the inside of changing between the clothing is provided with terminal air conditioner, the inside bottom left side of heat exchange box is provided with the compressor, the right side of compressor is provided with the high-efficient jar, the right side of high-efficient jar is provided with the second plate heat exchanger, the inside upper end left side of heat exchange box is provided with the gas furnace, the right side of gas furnace is provided with the double-pipe heat exchanger.

Preferably, the water inlet end of the gas furnace is fixedly connected with a tap water inlet pipe, the water outlet end of the gas furnace is fixedly connected with the water inlet end of the sleeve heat exchanger, and a water flowmeter is fixedly connected between the water outlet end of the gas furnace and the water inlet end of the sleeve heat exchanger.

Preferably, the water outlet end of the double-pipe heat exchanger is fixedly connected with a primary hot water inlet pipe, one end of the primary hot water inlet pipe is fixedly connected with the hot water inlet end of the first plate heat exchanger, and a primary hot water outlet pipe is fixedly connected between the hot water outlet end of the first plate heat exchanger and the water injection end of the hot water tank.

Preferably, a constant temperature circulation pipeline is fixedly connected between the heat exchange end water inlet and outlet of the first plate heat exchanger and the hot water bubble tank, a bubble tank constant temperature pump is fixedly connected on the constant temperature circulation pipeline, a secondary hot water inlet pipe is fixedly connected with the water outlet end of the hot water tank, a hot water pump is fixedly connected on the secondary hot water inlet pipe, a first branch flow pipe and a second branch flow pipe are fixedly connected with the output end of the hot water pump, and one ends of the first branch flow pipe and the second branch flow pipe are respectively connected to the hot water bubble tank and the shower room.

Preferably, the drain ends of the hot water soaking tank and the shower room are fixedly connected with a drain pipe, a hot water recovery pipe is fixedly connected between the drain pipe and the water inlet end of the sewage tank, and a sewage discharge mechanism is arranged at the water outlet of the sewage tank.

Preferably, an air conditioner heat circulation pipeline is arranged between the water inlet and the water outlet of the heat exchange pipe of the soaking heat exchanger and the water inlet and the water outlet of the heat exchange pipe of the tail end air conditioner, an air conditioner cold circulation pipeline is arranged between the heat medium water inlet and the water outlet of the second plate heat exchanger, the air conditioner cold circulation pipeline is communicated with the air conditioner heat circulation pipeline, a plurality of switching valves are arranged on the air conditioner heat circulation pipeline, and a heat source water pump is arranged on the air conditioner cold circulation pipeline.

Preferably, a refrigerant liquid outlet pipe is fixedly connected between the output end of the compressor and the upper end of the heat exchange tube of the sleeve heat exchanger, a refrigerant return pipe is fixedly connected between the input end of the compressor and the liquid outlet of the efficient tank, a water electromagnetic valve and a water heating valve are fixedly connected on the sleeve heat exchanger, a spiral heat exchange tube is arranged in the efficient tank, and two ends of the spiral heat exchange tube are respectively fixedly connected with two ends of the water electromagnetic valve.

Preferably, a cold medium liquid outlet pipe is fixedly connected between the cold medium outlet of the second plate heat exchanger and the liquid inlet of the high-efficiency tank, a cold medium return pipe is fixedly connected between the cold medium inlet of the second plate heat exchanger and the lower end of the heat exchange pipe of the double-pipe heat exchanger, and an electronic expansion valve and a filter are fixedly connected on the cold medium return pipe.

(III) beneficial effects

The invention provides a waste heat recovery double-engine hot water supply system and a method thereof. The beneficial effects are as follows:

1. according to the waste heat recovery double-engine hot water supply system, hot water at the temperature of 10 ℃ entering through a tap water inlet pipe is preheated to warm water at the temperature of 30 ℃ through the arranged gas furnace, after the warm water enters into the double-pipe heat exchanger, the temperature of the warm water is raised to hot water at the temperature of 65 ℃ under the action of the compressor, the hot water can be preheated, so that the service time of the compressor can be shortened, the loss of the compressor is reduced, the hot water enters into a hot water tank through a first plate heat exchanger to be stored in the hot water tank, the hot water can be pumped into a hot water bubble tank and a shower room through a hot water pump to be used, and the arranged bubble tank constant-temperature pump can circulate the hot water in the hot water bubble tank between the hot water bubble tank and the first plate heat exchanger through a constant-temperature circulation pipeline, so that the water in the hot water bubble tank exchanges heat with the hot water at the temperature of 65 ℃ to keep the temperature in a certain interval.

2. This waste heat recovery is two to hold up hot water supply system, sewage in soaking pond and the shower room is gone into in the effluent water sump through blow off pipe and the hot water recovery pipe that set up, when terminal air conditioner needs to provide hot-blast for the room that changes, can adjust the switching valve, start the air conditioner thermal cycle pipeline for soak the heat exchanger work, provide the heat source for terminal air conditioner, when terminal air conditioner needs to provide cold wind for the room that changes, can adjust the switching valve, start the air conditioner cold cycle pipeline, make compressor, high-efficient jar and second plate heat exchanger work provide the cold source for the room that changes, thereby can be according to the efficient utilization energy of water temperature of different environment, and combine the recovery waste heat in terminal air conditioner.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of the heat exchange box of the present invention.

1, a hot water soaking pool; 2. a first plate heat exchanger; 3. a hot water tank; 4. a hot water pump; 5. a shower enclosure; 6. a constant temperature pump of the soaking pool; 7. switching the valve; 8. soaking the heat exchanger; 9. a sewage discharge mechanism; 10. a sewage pool; 11. a heat source water pump; 12. terminal air-conditioning; 13. a heat exchange box; 14. a tap water inlet pipe; 15. a second plate heat exchanger; 16. an electronic expansion valve; 17. a filter; 18. a high-efficiency tank; 19. a compressor; 20. a water flow meter; 21. a water solenoid valve; 22. a warm water valve; 23. a double-pipe heat exchanger; 24. a gas furnace; 25. changing the clothes room; 26. a primary hot water inlet pipe; 27. a primary hot water outlet pipe; 28. a constant temperature circulation pipeline; 29. a second-stage hot water inlet pipe; 30. a first branch flow pipe; 31. a second branch flow pipe; 32. a blow-down pipe; 33. a hot water recovery pipe; 34. an air conditioner thermal cycle pipeline; 35. an air conditioner cold circulation pipeline; 36. a refrigerant liquid outlet pipe; 37. a refrigerant return line; 38. a cold medium outlet pipe; 39. and a cold medium return pipe.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples:

as shown in fig. 1, the embodiment of the invention provides a waste heat recovery dual-engine hot water supply system, which comprises a hot water bubble tank 1, a shower room 5, a sewage tank 10, a heat exchange box 13 and a dressing room 25, wherein a first plate heat exchanger 2 and a hot water tank 3 are arranged between the hot water bubble tank 1 and the shower room 5, a soaking heat exchanger 8 is arranged in the sewage tank 10, and a tail end air conditioner 12 is arranged in the dressing room 25.

As shown in fig. 2, a compressor 19 is disposed at the left side of the bottom end of the heat exchange box 13, a high-efficiency tank 18 is disposed at the right side of the compressor 19, a second plate heat exchanger 15 is disposed at the right side of the high-efficiency tank 18, a gas furnace 24 is disposed at the left side of the upper end of the heat exchange box 13, a sleeve heat exchanger 23 is disposed at the right side of the gas furnace 24, a tap water inlet pipe 14 is fixedly connected to the water inlet end of the gas furnace 24, a water flow meter 20 is fixedly connected between the water outlet end of the gas furnace 24 and the water inlet end of the sleeve heat exchanger 23, a primary hot water inlet pipe 26 is fixedly connected to the water outlet end of the sleeve heat exchanger 23, cold water at 10 ℃ enters the gas furnace 24 through the tap water inlet pipe 14, the gas furnace 24 burns the gas to heat the cold water to warm water at 30 ℃, and after the warm water enters the sleeve heat exchanger 23, the warm water is heated to 65 ℃ under the action of the compressor 19.

As shown in fig. 1, one end of a primary hot water inlet pipe 26 is fixedly connected with a hot water inlet end of a first plate heat exchanger 2, a primary hot water outlet pipe 27 is fixedly connected between a hot water outlet end of the first plate heat exchanger 2 and a water injection end of a hot water tank 3, a constant temperature circulation pipeline 28 is fixedly connected between a heat exchange end water inlet and outlet of the first plate heat exchanger 2 and a hot water bubble tank 1, a bubble tank constant temperature pump 6 is fixedly connected on the constant temperature circulation pipeline 28, a secondary hot water inlet pipe 29 is fixedly connected with a water outlet end of the hot water tank 3, a hot water pump 4 is fixedly connected on the secondary hot water inlet pipe 29, a first branch flow pipe 30 and a second branch flow pipe 31 are fixedly connected with an output end of the hot water pump 4, one ends of the first branch flow pipe 30 and the second branch flow pipe 31 are respectively connected to the hot water bubble tank 1 and a shower 5, drain pipes 32 are respectively fixedly connected with water discharge ends of the hot water bubble tank 1 and the shower 5, a hot water recovery pipe 33 is fixedly connected between the sewage discharge pipe 32 and the water inlet end of the sewage tank 10, a sewage discharge mechanism 9 is arranged at the water outlet of the sewage tank 10, an air conditioning heat circulation pipeline 34 is arranged between the water inlet and the water outlet of the heat exchange pipe of the soaking heat exchanger 8 and the water inlet and the water outlet of the heat exchange pipe of the tail end air conditioner 12, an air conditioning cold circulation pipeline 35 is arranged between the heat medium water inlet and the water outlet of the second plate heat exchanger 15, the air conditioning cold circulation pipeline 35 is communicated with the air conditioning heat circulation pipeline 34, a plurality of switching valves 7 are arranged on the air conditioning heat circulation pipeline 34, a heat source water pump 11 is arranged on the air conditioning cold circulation pipeline 35, hot water enters the first plate heat exchanger 2 through a first-stage hot water inlet pipe 26, enters the hot water tank 3 through a first-stage hot water outlet pipe 27 for storage and heat preservation, hot water can be pumped into the hot water bubble tank 1 and the shower room 5 through the hot water pump 4 for use, the provided constant temperature pump 6 of the bubble tank can circulate the hot water in the hot water bubble tank 1 between the hot water bubble tank 1 and the first plate heat exchanger 2 through the constant temperature circulation pipeline 28, so that the water in the hot water bubble tank 1 exchanges heat with the hot water at 65 ℃, and the temperature of the hot water bubble tank 1 can be kept in a certain interval.

As shown in fig. 2, a refrigerant outlet pipe 36 is fixedly connected between the output end of the compressor 19 and the upper end of the heat exchange pipe of the double-pipe heat exchanger 23, a refrigerant return pipe 37 is fixedly connected between the input end of the compressor 19 and the outlet of the high-efficiency tank 18, a water electromagnetic valve 21 and a warm water valve 22 are fixedly connected to the double-pipe heat exchanger 23, a spiral heat exchange pipe is arranged in the high-efficiency tank 18, two ends of the spiral heat exchange pipe are respectively and fixedly connected with two ends of the water electromagnetic valve 21, a cold medium outlet pipe 38 is fixedly connected between the cold medium outlet of the second plate heat exchanger 15 and the liquid inlet of the high-efficiency tank 18, a cold medium return pipe 39 is fixedly connected between the cold medium inlet of the second plate heat exchanger 15 and the lower end of the heat exchange pipe of the double-pipe heat exchanger 23, an electronic expansion valve 16 and a filter 17 are fixedly connected to the cold medium return pipe 39, when the tail end air conditioner 12 needs to provide hot air for the clothes changing room 25, the air circulation pipeline 34 is started, the soaking heat exchanger 8 is enabled to work as a heat source for the tail end air conditioner 12, when the tail end 12 needs to provide the clothes changing room 25, the valve 7 can be adjusted, the tail air conditioner 19 can be started, the tail air conditioner can be effectively circulated and the tail air conditioner 19 can not be used as the cold air conditioner and the tail air conditioner can be combined with the high-efficiency air conditioner 25, and the high-efficiency air conditioner can be used for recycling the tail air.

Working principle: cold water at 10 ℃ enters a gas furnace 24 through a tap water inlet pipe 14, the gas furnace 24 burns fuel gas to heat the cold water to warm water at 30 ℃, the warm water enters a double-pipe heat exchanger 23, the temperature of the warm water rises to 65 ℃ under the action of a compressor 19, the hot water enters a first plate heat exchanger 2 through a first-stage hot water inlet pipe 26 and then enters a hot water tank 3 through a first-stage hot water outlet pipe 27 to be stored and preserved, the hot water can be pumped into a hot water bubble tank 1 and a shower bath 5 through a hot water pump 4 for use, a bubble tank thermostatic pump 6 is arranged to circulate the hot water in the hot water bubble tank 1 between the hot water bubble tank 1 and the first plate heat exchanger 2 through a thermostatic circulation pipeline 28, so that the water in the hot water bubble tank 1 exchanges heat with the hot water at 65 ℃, thus, the temperature of the hot water bubble tank 1 can be kept in a certain interval, the sewage draining pipe 32 and the hot water recycling pipe 33 drain the sewage in the hot water bubble tank 1 and the shower room 5 into the sewage tank 10, when the tail end air conditioner 12 needs to supply hot air for the changing room 25, the switching valve 7 can be adjusted, the air conditioner thermal circulation pipeline 34 is started, the soaking heat exchanger 8 is enabled to work, the heat source is supplied for the tail end air conditioner 12, when the tail end air conditioner 12 needs to supply cold air for the changing room 25, the switching valve 7 can be adjusted, the air conditioner cold circulation pipeline 35 is started, the compressor 19, the high-efficiency tank 18 and the second plate heat exchanger 15 work to supply cold sources for the changing room 25, so that energy sources can be utilized efficiently according to the water temperatures of different environments, and waste heat is recovered by combining with the tail end air conditioner 12.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Waste heat recovery is two, and heat water supply system is held up, including hot water bubble pond (1), shower room (5), effluent water sump (10), heat exchange box (13) and change clothing room (25), its characterized in that: be provided with first plate heat exchanger (2) and hot-water tank (3) between hot bubble pond (1) and shower room (5), the inside of effluent water sump (10) is provided with soaks heat exchanger (8), the inside of changing room (25) is provided with terminal air conditioner (12), the inside bottom left side of heat exchange box (13) is provided with compressor (19), the right side of compressor (19) is provided with high-efficient jar (18), the right side of high-efficient jar (18) is provided with second plate heat exchanger (15), the inside upper end left side of heat exchange box (13) is provided with gas furnace (24), the right side of gas furnace (24) is provided with double-pipe heat exchanger (23).

2. The waste heat recovery dual engine hot water supply system according to claim 1, characterized in that: the water inlet end of the gas furnace (24) is fixedly connected with a tap water inlet pipe (14), the water outlet end of the gas furnace (24) is fixedly connected with the water inlet end of the sleeve heat exchanger (23), and a water flowmeter (20) is fixedly connected between the water outlet end of the gas furnace (24) and the water inlet end of the sleeve heat exchanger (23).

3. The waste heat recovery dual engine hot water supply system according to claim 1, characterized in that: the water outlet end of the sleeve heat exchanger (23) is fixedly connected with a primary hot water inlet pipe (26), one end of the primary hot water inlet pipe (26) is fixedly connected with the hot water inlet end of the first plate heat exchanger (2), and a primary hot water outlet pipe (27) is fixedly connected between the hot water outlet end of the first plate heat exchanger (2) and the water injection end of the hot water tank (3).

4. The waste heat recovery dual engine hot water supply system according to claim 1, characterized in that: the utility model discloses a shower bath, including first board-like heat exchanger (2), second board-like heat exchanger (2), first board-like heat exchanger (2), the heat exchange end water inlet and outlet of first board-like heat exchanger (2) and hot bubble pond (1) between fixedly connected with constant temperature circulation line (28), fixedly connected with bubble pond constant temperature pump (6) on constant temperature circulation line (28), the play water end fixedly connected with second grade hot water inlet tube (29) of hot-water tank (3), last fixedly connected with hot-water pump (4) of second grade hot water inlet tube (29), the output fixedly connected with first branch flow pipe (30) and second branch flow pipe (31) of hot-water pump (4), the one end of first branch flow pipe (30) and second branch flow pipe (31) is connected to hot bubble pond (1) and shower bath (5) respectively.

5. The waste heat recovery dual engine hot water supply system according to claim 1, characterized in that: the hot water soaking tank is characterized in that drain ends of the hot water soaking tank (1) and the shower bath (5) are fixedly connected with a drain pipe (32), a hot water recovery pipe (33) is fixedly connected between the drain pipe (32) and a water inlet end of the sewage tank (10), and a sewage outlet of the sewage tank (10) is provided with a sewage discharging mechanism (9).

6. The waste heat recovery dual engine hot water supply system according to claim 1, characterized in that: an air conditioner heat circulation pipeline (34) is arranged between a water inlet and a water outlet of a heat exchange pipe of the soaking heat exchanger (8) and a water inlet and a water outlet of a heat exchange pipe of the tail end air conditioner (12), an air conditioner cold circulation pipeline (35) is arranged between a heat medium water inlet and a water outlet of the second plate heat exchanger (15), the air conditioner cold circulation pipeline (35) is communicated with the air conditioner heat circulation pipeline (34), a plurality of switching valves (7) are arranged on the air conditioner heat circulation pipeline (34), and a heat source water pump (11) is arranged on the air conditioner cold circulation pipeline (35).

7. The waste heat recovery dual engine hot water supply system according to claim 1, characterized in that: the utility model discloses a high-efficiency water heater, including high-efficient jar (18), heat exchange tube, compressor (19), low-temperature water valve (22) and water valve (21), fixedly connected with refrigerant drain pipe (36) between the output of compressor (19) and the heat exchange tube upper end of double-pipe heat exchanger (23), fixedly connected with refrigerant back flow (37) between the liquid outlet of compressor (19) and high-efficiency jar (18), fixedly connected with water valve (21) and warm water valve (22) on double-pipe heat exchanger (23), the inside of high-efficiency jar (18) is provided with spiral heat exchange tube, the both ends of spiral heat exchange tube respectively with the both ends fixed connection of water valve (21).

8. The waste heat recovery dual engine hot water supply system according to claim 1, characterized in that: a cold medium outlet pipe (38) is fixedly connected between a cold medium outlet of the second plate heat exchanger (15) and a liquid inlet of the high-efficiency tank (18), a cold medium return pipe (39) is fixedly connected between a cold medium inlet of the second plate heat exchanger (15) and the lower end of a heat exchange pipe of the double-pipe heat exchanger (23), and an electronic expansion valve (16) and a filter (17) are fixedly connected to the cold medium return pipe (39).