CN211146674U - Waste heat exchange device and heat exchange system using same - Google Patents
Waste heat exchange device and heat exchange system using same Download PDFInfo
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- CN211146674U CN211146674U CN201921763601.2U CN201921763601U CN211146674U CN 211146674 U CN211146674 U CN 211146674U CN 201921763601 U CN201921763601 U CN 201921763601U CN 211146674 U CN211146674 U CN 211146674U
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- 239000002918 waste heat Substances 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 279
- 238000010438 heat treatment Methods 0.000 claims abstract description 70
- 239000000779 smoke Substances 0.000 claims abstract description 68
- 238000001816 cooling Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 241000208125 Nicotiana Species 0.000 claims description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 26
- 239000003546 flue gas Substances 0.000 abstract description 26
- 239000000498 cooling water Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000003287 bathing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model relates to a waste heat exchange device, which comprises a heat exchange unit, wherein the heat exchange unit comprises a smoke tube; the bobbin is sleeved outside the smoke pipe and has a gap with the pipe wall of the smoke pipe; the first heat exchange tube is arranged in the smoke tube and connected to the smoke tube; the second heat exchange tube is arranged in the gap; the first water source water inlet is arranged on the bobbin; the first water source water outlet is arranged on the bobbin; the second water source water inlet is arranged on the bobbin; and the second water source water outlet is arranged on the bobbin. The waste heat exchange device can simultaneously realize the waste heat exchange device with two waste heat purposes, and has high utilization efficiency of the flue gas waste heat. The utility model discloses still relate to a heat transfer system, including heating circulation pipeline, waste heat transfer device, boiler, heat source device, heating unit, water storage box, life hot water system, cold water circulation pipeline, cooling water set. The heat exchange system can fully and reasonably utilize heat energy and ensure stable supply of domestic water.
Description
Technical Field
The utility model relates to a waste heat transfer device still relates to an use this waste heat transfer device's heat transfer system.
Background
The boiler heating system is a heating device usually applied to large-scale public buildings, and can keep the temperature in a house through the boiler heating system so as to ensure the comfort of people living in the house. However, a large amount of flue gas can be generated in the working process of the boiler, so that the waste heat of the flue gas is not fully utilized, and the waste of energy is caused.
Based on the extravagant problem of flue gas waste heat, the system of recycling to flue gas waste heat has been proposed among the prior art, when the boiler disclosed wherein is using, the heat that the fuel burning in the furnace produced at first heats the water in the heating system, the flue gas that the fuel produced heats the water in the water supply system again, for the heat of make full use of flue gas, the flue gas after heating the water supply system does not discharge immediately, but through setting up the preheater, the waste heat of flue gas heats the water in the preheater in the reuse furnace. The utility model discloses a can make full use of fuel can make the heat utilization ratio reach more than 80%, the energy saving. However, the use of the waste heat is single, the heating is usually used all day long in the heating season, the bathing time period is generally not more than 12 hours, and the waste heat of the flue gas cannot be fully utilized under the condition that the water consumption of a bathing water supply system is limited, so that the waste of heat is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the first technical problem that provide one kind can realize the waste heat transfer device of two kinds of usage simultaneously with the flue gas waste heat to above-mentioned prior art.
The utility model discloses the second technical problem that will solve provides the heat transfer system of the heat energy that can make full use of and the different heat sources of rational utilization to above-mentioned prior art.
The utility model provides a technical scheme that above-mentioned first technical problem adopted does: the utility model provides a waste heat transfer device, includes heat transfer unit, heat transfer unit includes tobacco pipe, its characterized in that: the heat exchange unit also comprises
The bobbin is sleeved outside the smoke pipe and has a gap with the pipe wall of the smoke pipe;
the first heat exchange tube is arranged in the smoke tube and extends along the axial direction of the smoke tube, two ends of the first heat exchange tube are respectively connected to the tube wall of the smoke tube, and a communication port communicated with the gap is formed on the tube wall of the smoke tube;
the second heat exchange tube is arranged in the gap along the axial direction of the smoke tube and close to the smoke inlet tube;
the first water source water inlet is arranged on the bobbin close to the outlet of the smoke pipe and communicated with the gap;
the first water source water outlet is arranged on the bobbin close to the inlet of the smoke tube and communicated with the gap;
the second water source water inlet is arranged on the bobbin and is connected with one end, close to the smoke pipe outlet, of the second heat exchange pipe;
and the second water source water outlet is arranged on the bobbin and is connected with one end of the second heat exchange tube close to the smoke tube inlet.
In order to increase the heat exchange area, the second heat exchange tube is wound outside the smoke tube.
In order to avoid the over-high air pressure in the bobbin, the bobbin is also connected with an automatic exhaust valve communicated with the gap.
Preferably, the two ends of the bobbin are hermetically connected with the outer wall of the smoke tube.
Optionally, the heat exchange units are provided with at least two heat exchange units, the smoke pipes of the heat exchange units are sequentially connected in an abutting mode, the first water source water outlet of one heat exchange unit is connected with the first water source water inlet of the heat exchange unit connected in the abutting mode through a first connecting pipe, and the second water source water outlet of one heat exchange unit is connected with the second water source water inlet of the heat exchange unit connected in the abutting mode through a second connecting pipe.
In order to conveniently control the number of the heat exchange units, switch valves are arranged on the first connecting pipe and the second connecting pipe.
The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the utility model provides a heat exchange system, includes heating circulation pipeline which characterized in that: the waste heat exchange device comprises the waste heat exchange device, wherein a first water source water inlet and a first water source water outlet are connected to a heating circulating pipeline, and a second water source water inlet is connected with a water supply source;
also comprises
The water inlet and the water outlet of the boiler are connected to a heating circulating pipeline, and a flue gas outlet of the boiler is connected with a flue pipe of the waste heat exchange device;
the water inlet and the water outlet of the heat source device are connected to a heating circulating pipeline;
the heating unit comprises at least one heating device, a water inlet and a water outlet of each heating device are connected to a heating circulating pipeline and positioned at the downstream of the boiler and the heat source device, a straight-through pipe is connected between a main inlet and a main outlet of the heating unit in the heating circulating pipeline, and a switch valve is arranged on the straight-through pipe;
the water storage tank is internally provided with a first heat exchanger and a second heat exchanger, an inlet and an outlet of the first heat exchanger are both connected to a heating circulating pipeline, and the water storage tank is connected with a water supply source and a water outlet of a second water source;
the domestic hot water device is connected with the water storage tank through a domestic hot water delivery pipe;
a water inlet and a water outlet of the second heat exchanger in the water storage tank are connected to the cold water circulation pipeline;
the water chilling unit comprises a cooling tower and a condenser, wherein a water inlet and a water outlet of the cooling tower are both connected to a cold water circulating pipeline, and a water inlet and a water outlet in the condenser are both connected to the cold water circulating pipeline.
In order to ensure the outlet water temperature of the domestic water under the condition of insufficient heat caused by using a large amount of domestic hot water, an electric water heater is arranged on the domestic hot water delivery pipe at the upstream of the domestic hot water device, and switch valves are arranged at the water inlet pipe and the water outlet pipe of the electric water heater.
Optionally, the heat source arrangement comprises a solar collector and/or a kitchen hob heat exchanger.
Preferably, the domestic hot water device comprises a shower device and/or a domestic hot water pipe.
Compared with the prior art, the utility model has the advantages of: the utility model provides a waste heat transfer device has set up two heat exchange tubes, so can realize the heat transfer processing to two kinds of water sources, can be used for two kinds of heating uses with the waste heat promptly, and the waste heat of reasonable utilization flue gas avoids the usage single and the waste of heat that causes under the condition that does not use. And the first heat exchange tube in the waste heat exchange device is directly arranged in the smoke tube and is fully contacted with the smoke for heat exchange, so that the heat exchange efficiency is high. And the second heat exchange tube not only can carry out the heat transfer with the flue gas heat in the flue pipe, can also carry out the heat transfer with the rivers that are located the clearance, so, then the heat of make full use of flue gas improves the utilization ratio of flue gas greatly. In addition, when heat exchange is carried out, the flowing directions of water flow and flue gas are opposite, so that the temperature can be raised at a constant speed for heat exchange, the phenomena of gasification and cavitation of water in the pipeline caused by overlarge heat exchange temperature difference are avoided, the service life of the hot water pipeline can be prolonged, and the purpose of saving energy is achieved.
The utility model provides a heat transfer system has used this waste heat transfer device's basis in winter still simultaneously with use the cooling water set in summer and transition season uses cooperation such as heat source device to use for this heat transfer system guarantees the hydrothermal stable supply of life at the rational utilization heat energy of the four seasons homoenergetic all the year round.
Drawings
Fig. 1 is a structural diagram of a heat exchange system in an embodiment of the present invention.
Fig. 2 is the utility model discloses in the embodiment of the utility model embodiment boiler and waste heat exchange device's cooperation structure chart.
Fig. 3 is the embodiment of the present invention provides a schematic structural diagram of a waste heat exchanger.
Fig. 4 is a cross-sectional view of fig. 3.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Waste heat transfer device 100 in this embodiment can use in various systems that need carry out the heat supply, uses a heat transfer system who has used this waste heat transfer device 100 in this embodiment as an example, carries out detailed explanation to heat transfer system and waste heat transfer device 100 in the utility model simultaneously.
As shown in fig. 1, the heat exchange system in this embodiment includes: the system comprises a heating circulating pipeline 2, a waste heat exchange device 100, a boiler 3, a heat source device 4, a heating unit 5, a water storage tank 6, a domestic hot water device 7, a cold water circulating pipeline 8 and a cold water unit.
Wherein heating circulating line 2 is connected with the water supply source, in order to avoid producing more incrustation scale in the course of the work, can let in the soft water after purifying in heating circulating line 2, the end of intaking at heating circulating line 2 simultaneously can also set up a moisturizing case, and this moisturizing case is connected with heating circulating line 2 and soft water source respectively, guarantees the stability of water yield when heating circulating line 2.
As shown in fig. 3 and 4, the waste heat exchange device 100 includes at least one heat exchange unit 1, the number of the heat exchange units 1 is set as required, and when the number of the heat exchange units 1 is greater than 1, the heat exchange units 1 are connected in sequence.
Each heat exchange unit 1 includes:
a smoke pipe 11;
the bobbin 12 is sleeved outside the smoke tube 11 and has a gap with the tube wall of the smoke tube 11, and two ends of the bobbin 12 in the embodiment are hermetically connected with the outer wall of the smoke tube 11;
the first heat exchange tube 13 is arranged in the smoke tube 11 and extends along the axial direction of the smoke tube 11, two ends of the first heat exchange tube 13 are respectively connected with the tube wall of the smoke tube 11, and a communication port 131 communicated with the gap is formed on the tube wall of the smoke tube 11;
the second heat exchange tube 14 is arranged in the gap along the axial direction of the smoke tube 11 and close to the smoke inlet tube 11, and specifically, the second heat exchange tube 14 is spirally wound outside the smoke tube 11, so that the heat exchange area of the second heat exchange tube 14 can be increased;
a first water source inlet 121, which is arranged on the bobbin 12 near the outlet of the smoke tube 11 and is communicated with the gap, so that the flow direction of the first water source is opposite to the flow direction of the smoke in the smoke tube 11;
a first water source outlet 122, which is arranged on the bobbin 12 near the inlet of the smoke tube 11 and communicated with the gap;
the first water source water inlet 121 and the first water source water outlet 122 are connected to the heating circulation pipeline 2, when in use, the circulating water in the heating circulation pipeline 2 forms a first water source, the first water source enters the gap between the bobbin 12 and the smoke tube 11 from the first water source water inlet 121, a part of water enters the first heat exchange tube 13 through the communication port 131 on the smoke tube 11, the water in the gap and the water in the first heat exchange tube 13 realize heating through heat exchange with the high-temperature smoke in the smoke tube 11, particularly, the first heat exchange tube 13 is wrapped by the high-temperature smoke in the smoke tube 11, and the heat exchange efficiency is high;
a second water source inlet 123, which is arranged on the bobbin 12 and is connected with one end of the second heat exchange pipe 14 close to the outlet of the smoke pipe 11, so that the flow direction of the second water source is opposite to the flow direction of the smoke in the smoke pipe 11;
and a second water source outlet 124 which is arranged on the bobbin 12 and is connected with one end of the second heat exchange pipe 14 close to the inlet of the smoke pipe 11.
The second water source inlet 123 is connected with a water supply source, the second water source outlet 124 is connected with the water storage tank 6, so that the supplied water is heated by the high-temperature waste heat of the flue gas and then is conveyed to the water storage tank 6 to be used as domestic hot water, the second water source is a water source for providing domestic water, when the second water source is used, the second water source enters the second heat exchange tube 14 from the second water source inlet 123, on one hand, the second water source in the second heat exchange tube 14 exchanges heat with the high-temperature flue gas in the flue tube 11, on the other hand, the second water source in the second heat exchange tube 14 exchanges heat with the first water source in the gap, and the high-temperature waste heat of the flue gas is fully utilized;
the water inlet direction of the first water source and the second water source is opposite to the flowing direction of the flue gas, so that the first water source and the second water source can heat and exchange heat at a constant speed, the phenomena of gasification and cavitation of water in the pipeline caused by overlarge heat exchange temperature difference are avoided, the service life of the hot water pipeline can be prolonged, and the aim of saving energy is fulfilled;
the automatic exhaust valve 15 is connected to the bobbin 12 and communicated with the gap, and the automatic exhaust valve 15 can avoid overhigh air pressure in the bobbin 12, thereby ensuring the use safety and the service life of the bobbin 12.
The number of the heat exchange units 1 can be set according to the requirement, when at least two heat exchange units 1 are provided, the smoke pipes 11 in each heat exchange unit 1 are butted in sequence, and finally the total outlet of the smoke pipes 11 is connected with a chimney for smoke exhaust. The first water source outlet 122 of one heat exchange unit 1 is connected with the first water source inlet 121 of the heat exchange unit 1 in the opposite joint through a first connecting pipe 16, and the second water source outlet 124 of one heat exchange unit 1 is connected with the second water source inlet 123 of the heat exchange unit 1 in the opposite joint through a second connecting pipe 17. In order to control the number of the heat exchange units 1 conveniently, the first connecting pipe 16 and the second connecting pipe 17 are provided with switch valves, and the number of the heat exchange units 1 is controlled by controlling the on-off of the first connecting pipe 16 and the second connecting pipe 17.
As shown in fig. 2, the boilers 3 can be various boilers 3 in the prior art, the number of the boilers 3 is set according to the requirement, and each boiler 3 can be matched with one heat exchange unit 1. The water inlet and the water outlet of each boiler 3 are connected to the heating circulation pipeline 2, and the flue gas outlet of each boiler 3 is connected to the general inlet of the flue gas pipe 11 of the waste heat exchange device 100.
The water inlet and the water outlet of the heat source device 4 are both connected to the heating circulation pipeline 2, and the heat source device 4 in the embodiment comprises a solar heat collector and/or a kitchen stove heat exchanger. When in use, the heat source device 4 and a water chilling unit which is described below can be selectively turned on to work according to different seasons, and then the water is provided for the domestic hot water device 7 to use.
The heating unit 5 comprises at least one heating device, when the heating device is used in large-scale public buildings, each house can be provided with a heating radiator, an air conditioning unit, a fan coil and the like as the heating device, a water inlet and a water outlet of each heating device are connected to the heating circulation pipeline 2 and positioned at the downstream of the boiler 3 and the heat source device 4, the heating circulation pipeline 2 is connected with a straight-through pipe 21 between the main inlet and the main outlet of the heating unit 5, the straight-through pipe 21 is provided with a switch valve, when heating is needed, the switch valve on the straight-through pipe 21 can be closed, and simultaneously, the control valve of each heating unit 5 is opened for water supply. When heating is not needed, the on-off valve on the straight-through pipe 21 is opened, and the control valve of the heating unit 5 is closed to stop heating.
A first heat exchanger 61 and a second heat exchanger 62 are arranged in the water storage tank 6, the inlet and the outlet of the first heat exchanger 61 are both connected to the heating circulation pipeline 2, and the water inlet and the water outlet of the second heat exchanger 62 in the water storage tank 6 are both connected to the cold water circulation pipeline 8. Under the effect of first heat exchanger 61 and second heat exchanger 62 like this, can carry out the heat exchange through the heat of rivers and the heat of the interior water of cistern in the heating circulation pipeline 2, and then heat the water in the cistern. The water storage tank 6 is further connected with a water supply source and a second water source outlet 124, the water supply source provides water for the water storage tank 6, and the water storage tank 6 can also receive hot water after heat exchange through the second heat exchange tube 14 in the heat exchange unit 1 through the second water source outlet 124.
The water chilling unit comprises a cooling tower 81 and a condenser 82, a water inlet and a water outlet of the cooling tower 81 are connected to a cold water circulation pipeline 8, a water inlet and a water outlet of the condenser 82 are connected to the cold water circulation pipeline 8, so that an outlet of the condenser 82 is connected with the second heat exchanger 62 through the cold water circulation pipeline 8, particularly in summer, the condenser 82 in the air-conditioning water chilling unit can generate a large amount of heat in the working process and further heat water in the condenser, hot water in the condenser 82 flows into the cold water circulation pipeline 8, and then the water in the water storage tank is heated through the second heat exchanger 62 in the water storage tank, and further is supplied to the domestic hot water device 7 for use.
The domestic hot water supply device 7 is connected to the water storage tank 6 through a domestic hot water supply pipe 71, and a hot water pump may be provided in the domestic hot water supply pipe 71 to pump water in order to ensure the water supply pressure. The domestic hot water device 7 comprises a shower device and/or a domestic hot water pipe.
In order to avoid that the water temperature in the water storage tank 6 cannot meet the temperature requirement of the domestic hot water, an electric water heater 9 is further arranged on the domestic hot water delivery pipe 71 and located at the upstream of the domestic hot water device 7, and switch valves are arranged at the water inlet pipe and the water outlet pipe of the electric water heater 9. The use or non-use of the electric water heater 9 can be controlled by controlling the switch valves on the water inlet pipe and the water outlet pipe of the electric water heater 9.
The use method of the heat exchange system comprises the following steps:
in summer and transition seasons, the boiler 3 can be controlled to be closed to work, and heat generated by the heat source device 4 is utilized to carry out heat exchange heating on water flow in the heating circulating pipeline 2. Meanwhile, the control valves on the heating devices are closed, the water supply to the heating devices is stopped, and the switch valves on the straight-through pipes 21 are opened, so that the water flow in the heating circulating pipeline 2 directly flows to the first heat exchangers 61 in the water storage tanks 6 through the straight-through pipes 21, and the water in the water storage tanks 6 is subjected to heat exchange and heating through the first heat exchangers 61. In addition, the water chilling unit is controlled to work, the condenser 82 is usually arranged in a refrigerating device such as an air conditioner, the condenser 82 can generate heat in the working process of the refrigerating device, then the heat of the condenser 82 is exchanged with water in the cold water circulating pipeline 8, water in the cold water circulating pipeline 8 flows to the second heat exchanger 62 in the water storage tank 6, and the water in the water storage tank 6 is subjected to heat exchange and heating through the second heat exchanger 62. The water heated in the reservoir is supplied to the domestic hot water supply device 7 through the domestic hot water supply pipe 71.
In winter, the boiler 3 is controlled to work, and meanwhile, the use of the water chilling unit in the heat exchange system is stopped. The heat source device 4 and the boiler 3 both heat water in the heating circulation pipeline 2, meanwhile, flue gas generated by the boiler 3 enters the smoke pipe 11 of the waste heat exchange device 100, and then heats water partially flowing back in the heating circulation pipeline 2 through the heat exchange action of the first heat exchange pipe 13 and the second heat exchange pipe 14, and heats tap water to supply the water to the water storage tank 6, so that heating and domestic hot water supply are realized.
In addition, if the temperature requirement of the domestic hot water cannot be met in the process, and when heat supplement is needed, the switch valves are arranged at the positions of the water inlet pipe and the water outlet pipe of the electric water heater 9, and the electric water heater 9 is started to work, so that the temperature requirement of the domestic hot water is ensured.
The utility model provides a heat transfer system can adopt according to using season and cooperate the use like different heat sources such as boiler, cooling water set, heat source device for this heat transfer system guarantees the hydrothermal stable supply of life at the reasonable utilization heat energy of the four seasons homoenergetic. In addition, on the basis of using the boiler, the waste heat exchange device 100 is used for fully and reasonably utilizing the preheating of the flue gas, so that different purposes are realized, and the waste of heat of the flue gas waste heat is avoided.
Claims (10)
1. The utility model provides a waste heat transfer device, includes heat transfer unit (1), heat transfer unit (1) includes tobacco pipe (11), its characterized in that: the heat exchange unit (1) also comprises
The bobbin (12) is sleeved outside the smoke tube (11) and has a gap with the tube wall of the smoke tube (11);
the first heat exchange tube (13) is arranged inside the smoke tube (11) and extends along the axial direction of the smoke tube (11), two ends of the first heat exchange tube (13) are respectively connected to the tube wall of the smoke tube (11) and a communication port (131) communicated with the gap is formed on the tube wall of the smoke tube (11);
the second heat exchange tube (14) is arranged in the gap along the axial direction of the smoke tube (11) and close to the smoke inlet tube (11);
the first water source water inlet (121) is arranged on the bobbin (12) close to the outlet of the smoke pipe (11) and communicated with the gap;
the first water source water outlet (122) is arranged on the bobbin (12) close to the inlet of the smoke tube (11) and communicated with the gap;
the second water source water inlet (123) is arranged on the bobbin (12) and is connected with one end, close to the outlet of the smoke tube (11), of the second heat exchange tube (14);
and the second water source water outlet (124) is arranged on the bobbin (12) and is connected with one end of the second heat exchange pipe (14) close to the inlet of the smoke pipe (11).
2. The waste heat exchange device of claim 1, wherein: the second heat exchange tube (14) is wound outside the smoke tube (11).
3. The waste heat exchange device of claim 1, wherein: the bobbin (12) is also connected with an automatic exhaust valve (15) communicated with the gap.
4. The waste heat exchange device of claim 1, wherein: the two ends of the bobbin (12) are hermetically connected with the outer wall of the smoke tube (11).
5. The waste heat exchange device according to any one of claims 1 to 4, wherein: the heat exchange units (1) are at least two, smoke pipes (11) of the heat exchange units (1) are sequentially connected in a butt joint mode, a first water source water outlet (122) in one heat exchange unit (1) is connected with a first water source water inlet (121) in the butt joint heat exchange unit (1) through a first connecting pipe (16), and a second water source water outlet (124) in one heat exchange unit (1) is connected with a second water source water inlet (123) in the butt joint heat exchange unit (1) through a second connecting pipe (17).
6. The waste heat exchange device of claim 5, wherein: and the first connecting pipe (16) and the second connecting pipe (17) are both provided with a switch valve.
7. A heat exchange system comprises a heating circulation pipeline (2), and is characterized in that: the waste heat exchange device (100) according to any one of claims 1 to 6, wherein the first water source inlet (121) and the first water source outlet (122) are connected to the heating circulation pipeline (2), and the second water source inlet (123) is connected to a water supply source;
also comprises
The water inlet and the water outlet of the boiler (3) are both connected to the heating circulating pipeline (2), and the smoke outlet of the boiler (3) is connected with a smoke pipe (11) of the waste heat exchange device (100);
the water inlet and the water outlet of the heat source device (4) are connected to the heating circulation pipeline (2);
the heating unit (5) comprises at least one heating device, a water inlet and a water outlet of each heating device are connected to a heating circulating pipeline (2) and located at the downstream of the boiler (3) and the heat source device (4), a straight-through pipe (21) is connected between a main inlet and a main outlet of the heating unit (5) in the heating circulating pipeline (2), and a switch valve is arranged on the straight-through pipe (21);
the water storage tank (6) is internally provided with a first heat exchanger (61) and a second heat exchanger (62), the inlet and the outlet of the first heat exchanger (61) are both connected to the heating circulating pipeline (2), and the water storage tank (6) is connected with a water supply source and a second water source water outlet (124);
the domestic hot water device (7) is connected with the water storage tank (6) through a domestic hot water delivery pipe (71);
a water inlet and a water outlet of a second heat exchanger (62) in the water storage tank (6) are connected to the cold water circulation pipeline (8);
the water chilling unit comprises a cooling tower (81) and a condenser (82), wherein a water inlet and a water outlet of the cooling tower (81) are connected to a cold water circulation pipeline (8), and a water inlet and a water outlet of the condenser (82) are connected to the cold water circulation pipeline (8).
8. The heat exchange system of claim 7, wherein: an electric water heater (9) is further arranged on the domestic hot water delivery pipe (71) and located at the upstream of the domestic hot water device (7), and switch valves are arranged at the water inlet pipe and the water outlet pipe of the electric water heater (9).
9. The heat exchange system of claim 7, wherein: the heat source device (4) comprises a solar heat collector and/or a kitchen range heat exchanger.
10. The heat exchange system of claim 7, wherein: the domestic hot water device (7) comprises a shower device and/or a domestic hot water pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763601.2U CN211146674U (en) | 2019-10-18 | 2019-10-18 | Waste heat exchange device and heat exchange system using same |
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| CN201921763601.2U CN211146674U (en) | 2019-10-18 | 2019-10-18 | Waste heat exchange device and heat exchange system using same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947226A (en) * | 2020-08-21 | 2020-11-17 | 中竞同创能源环境科技集团股份有限公司 | Green low-carbon comprehensive energy utilization system and method |
| CN116557938A (en) * | 2023-05-09 | 2023-08-08 | 江苏联线环境设备有限公司 | Heating and ventilation waste heat recovery energy-saving system and waste heat recovery method thereof |
-
2019
- 2019-10-18 CN CN201921763601.2U patent/CN211146674U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947226A (en) * | 2020-08-21 | 2020-11-17 | 中竞同创能源环境科技集团股份有限公司 | Green low-carbon comprehensive energy utilization system and method |
| CN111947226B (en) * | 2020-08-21 | 2021-06-08 | 中竞同创能源环境科技集团股份有限公司 | Green low-carbon comprehensive energy utilization system and method |
| CN116557938A (en) * | 2023-05-09 | 2023-08-08 | 江苏联线环境设备有限公司 | Heating and ventilation waste heat recovery energy-saving system and waste heat recovery method thereof |
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