CN109737487A - A kind of energy management system using sewage source heat pump recycling sanitary wastewater residual heat heating suitable for students' dormitory - Google Patents
A kind of energy management system using sewage source heat pump recycling sanitary wastewater residual heat heating suitable for students' dormitory Download PDFInfo
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- CN109737487A CN109737487A CN201910140048.5A CN201910140048A CN109737487A CN 109737487 A CN109737487 A CN 109737487A CN 201910140048 A CN201910140048 A CN 201910140048A CN 109737487 A CN109737487 A CN 109737487A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 110
- 239000002351 wastewater Substances 0.000 title claims abstract description 94
- 239000010865 sewage Substances 0.000 title claims abstract description 37
- 238000004064 recycling Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 336
- 238000003287 bathing Methods 0.000 claims abstract description 62
- 230000005855 radiation Effects 0.000 claims abstract description 47
- 238000009408 flooring Methods 0.000 claims abstract description 45
- 230000004087 circulation Effects 0.000 claims abstract description 42
- 239000008399 tap water Substances 0.000 claims abstract description 32
- 235000020679 tap water Nutrition 0.000 claims abstract description 32
- 239000003507 refrigerant Substances 0.000 claims description 34
- 239000002918 waste heat Substances 0.000 claims description 28
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 230000006837 decompression Effects 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 9
- 238000002309 gasification Methods 0.000 claims description 9
- 239000012047 saturated solution Substances 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000007812 deficiency Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000000498 cooling water Substances 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000001932 seasonal effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
The invention belongs to sewage source heat pump heat recovery dormitory heating research fields, specifically disclose a kind of energy management system using sewage source heat pump recycling sanitary wastewater residual heat heating suitable for students' dormitory;The energy management system carries out the thermal energy in bath wastewater to be used to heat bath water by way of sewage source heat pump and unified boiler heat supply and dormitory heats;The supply of four-season hot-water is controlled by the valve between control equipment, bathing spent hot water passes through filter preliminary treatment, is collected into wastewater disposal basin, and recycling sewage source heat pump recycling thermal energy is tap water heat supply.Water after heating can be not only used for bathing according to the Students ' Demand of Various Seasonal, can also be dormitory heating using Radiant Floor Heating System.In flooring radiation heating part, the water in heating system and the water circulation use in boiler and hot water storage tank improve the utilization efficiency of energy, and current students' dormitory bath water thermal energy waste problem has been effectively relieved.
Description
Technical field
The present invention relates to a kind of energy using sewage source heat pump recycling sanitary wastewater residual heat heating suitable for students' dormitory
Management system belongs to sewage remaining energy utilization and heating field.
Background technique
With the fast development of China's economy and society, people also exacerbate the energy while pursuing life comfort
Wear rate, energy problem highlight, and people start to carry out reducing energy consumption to existing energy utility system from the recoverable angle of section,
Waste heat recycling is using being one of major way of reducing energy consumption.Investigation shows in collective of students dormitory bathroom, passes through
There are about 4/5ths heats not to be used effectively by spent hot water after bathing.Since collective of students dormitory number is numerous, spent hot water
Amount is big, and student life is more regular, and waste heat water is relatively stable, therefore part of waste heat recycling value space is larger.
And the rule of usually doing of student bathroom is that the bath wastewater that temperature is higher than environment temperature is directly discharged into sewerage, so that the portion
Divide considerable heat not by effective recycling, causes the huge waste of the energy.
Patent CN201611025283.0 proposes a kind of shower waste water residual heat recovery system, by utilizing heat pipe former merely
Waste water residual heat this low-grade heat source in bathroom is carried out the recycling of heat by reason, and the external world does not provide any energy, although effectively mentioning
High efficiency of energy utilization is all that system recovery waste heat is leaned on to be difficult to meet students' dormitory and want when needing a large amount of thermal energy in winter merely
It asks, and waste heat can only be exported waste water by heat pipe, cannot effectively combine existing equipment to efficiently use derived heat.Patent
CN201510760955.1 proposes a kind of sanitary wastewater waste heat recycling domestic heating system, which is realized using heat pipe circulation
The recycling of sanitary wastewater waste heat reduces the consumption of electric energy, energy saving, but UTILIZATION OF VESIDUAL HEAT IN mode is too in the system
More, heat excessively disperses can not focus utilization;And waste heat has a plurality of pipeline hot water from utilization is recovered in the process, heat dissipates
Not the problem of losing, which becomes one, not can avoid.
The present invention is by sewage source heat pump system, in conjunction with existing heating equipment, consumes a small amount of electric energy, being stored in water
Lowlevel thermal energy " extraction " come out, be user's heat supply, water source use bathing after life spent hot water, sewage is concentrated by pipeline
Foundation sewage concentration zones and pass through heat pump --- unified boiler heat supply reuses the thermal energy in waste water, Ke Yi
Various Seasonal requires flexibly to change heat energy utilization mode according to user's with water and heating, and time limitation is substantially absent.
And in conjunction with original boiler plant, electric energy has been saved by boiler heat supplying compared with simple.Simultaneously in this process, pass through waste water
The hot water produced can be reused for hot water preparing after, realize recycling for water.Present invention combination students' dormitory shows
Shape improves the utilization efficiency of energy, is effectively saved the energy, has reached energy-saving and environment-friendly effect.
Summary of the invention
A kind of energy management system using sewage source heat pump recycling sanitary wastewater residual heat heating suitable for students' dormitory
(3), condenser (4), expansion valve (5), evaporator are pumped by the first hot water storage tank (1), the first tap water inlets (2), first circulation
(6), compressor (7), plate heat exchanger (8), drainage pipeline (9), the second tap water inlets (10), boiler (11), the first valve
(12), the second valve (13), the second hot water storage tank (14), third valve (15), second circulation pump (16), water segregator (17), temperature
Spend sensor (18), flooring radiation heating end (19), bath appliance (20), wastewater collection filter (21), wastewater disposal basin (22) group
At;
First hot water storage tank (1) include two entrances and two outlet, wherein first entrance be cold running water entrance, second
Entrance is condenser inlet, and first outlet is first circulation pump discharge, and second outlet is the second valve export;Condenser (4) packet
It is exported containing two entrances and two, wherein first entrance is heat-carrying agent entrance, and second entrance is refrigerant inlet, first outlet
For the outlet of the first hot water storage tank, second outlet is expansion valve outlet;Evaporator (6) includes two entrances and two outlets, wherein
First entrance is refrigerant inlet, and second entrance is heat-carrying agent entrance, and first outlet is refrigerant outlet, and second outlet is to carry
Thermal medium outlet;Plate heat exchanger (8) includes two entrances and two outlets, and wherein first entrance is heat-carrying agent entrance, the
Two entrances are sewage inlet, and first outlet is heat-carrying agent outlet, and second outlet is outlet of sewer;Boiler (11) includes two and enters
Mouth and one outlet, wherein first entrance is cold running water entrance, and second entrance is the tap water inlets after heat exchange;Second accumulation of heat
Water tank (14) includes two entrances and two outlets, and wherein first entrance is boiler hot-water entrance, and second entrance is heat-pump hot-water
Entrance, first outlet are domestic water outlet, and second outlet is heating outlet;Water segregator (17) includes that two entrances and two go out
Mouthful, wherein first entrance is heat-carrying agent entrance, and second entrance is flooring radiation heating end return water entrance, and first outlet is ground
Plate radiant heating end service water outlet, second outlet are the backwater outlet after heating;
System connection type: external first tap water inlets (2) of the first hot water storage tank (1), the first hot water storage tank (1) first
Outlet is connected with first circulation pump (3) entrance, and first circulation, which pumps (3) and exports, connects condenser (4) second entrance, condenser (4) the
One outlet is connected with the first hot water storage tank (1) entrance, and expansion valve (5) entrance is connected with condenser (4) second outlet, evaporator
(6) first entrance is connected with expansion valve (5) outlet, and compressor (7) entrance connects evaporator (6) first outlet, condenser (4) second
Entrance is connected with compressor (7) outlet, and evaporator (6) second outlet connects plate heat exchanger (8) first entrance, plate heat exchanger
(8) first outlet is connected with evaporator (6) second entrance;First hot water storage tank (1) second outlet connects the second valve (13) entrance,
External second tap water inlets (10) of boiler (11), boiler (11) outlet connect the first valve (12) entrance, and the first valve (12) goes out
Mouth is connected with the second hot water storage tank (14) first entrance, and the second valve (13) outlet is connected to the second hot water storage tank (14) second and enters
Mouthful, the second hot water storage tank (14) first outlet is connect with bath appliance (20) entrance, and bath appliance (20) outlet is filtered with wastewater collection
The connection of device (21) entrance, wastewater collection filter (21) outlet are connected to wastewater disposal basin (22) entrance, wastewater disposal basin (22) outlet with it is board-like
The connection of heat exchanger (8) second entrance, plate heat exchanger (8) second outlet are run in waterpipe (9), the second hot water storage tank (14) second
Outlet connects third valve (15) entrance, and third valve (15) outlet connects second circulation pump (16) entrance, and second circulation pumps (16) and goes out
Mouth is connect with water segregator (17) first entrance, pipe network in water segregator (17) first outlet and flooring radiation heating end (19) system
It is connected, pipe network outlet is connected with water segregator (17) second entrance in flooring radiation heating end (19) system, temperature sensor
(18) one end is connected with water segregator (17) is placed in flooring radiation heating end (19), and water segregator (17) second outlet is connected to boiler
(11) second entrance.
When winter, temperature is colder, opens the first valve (12), the second valve (13), heat pump system and boiler (11) all works
Make, the second hot water storage tank (14) hot water enters bath appliance (20), and the dormitory bath wastewater of bath appliance (20) outflow is through wastewater collection
Filter (21) purification, focuses on wastewater disposal basin (22), and it is useless that the water in wastewater disposal basin (22) extracts bathing through plate heat exchanger (8) indirectly
In hot water using waste heat, and the water in the plate heat exchanger (8) after cooling is discharged into municipal wastewater pipe by drainage pipeline (9)
Net, heat-carrying agent in plate heat exchanger (8) again with the refrigerant heat exchanger in evaporator (6), the refrigerant gas of endothermic gasification
Into compressor (7), it is compressed to the steam of high temperature and pressure, steam enters back into condenser (4) condensation heat release, condensed high temperature
Evaporator (6) circulation above-mentioned steps, heat pump machine are back flowed back into after the expanded valve throttle mechanism decompression of the saturated solution of high-pressure refrigerant
The group additional thermal energy recycled from spent hot water of institute's consuming electric power is delivered to condenser (4), to heating part bathing hot water, low temperature
Tap water is flowed into condenser (4) by the first hot water storage tank (1) through first circulation pump (3), and tap water absorbs the heat in steam,
Temperature is got higher, and water enters after heating in the first hot water storage tank (1), passes through the second hot water storage tank (14), poor by supplying water
It is sent by flow pipe to bath appliance (20) and is used for bathing, the additional thermal energy conveying recycled from spent hot water of heat pump unit institute consuming electric power
To condenser (4), to heating part bathing hot water, hot water flows into bath appliance (20) through the second hot water storage tank (14), circulation
Above step;It opens third valve (15), flooring radiation heating end (19) work, the hot water in the second hot water storage tank (14)
Enter water segregator (17) by third valve (15), second circulation pump (16), water segregator (17) manages flooring radiation heating end
(19) opening and closing of water flow in heat for dormitory, and the hot return water after heating flows into boiler (11), then flows back to the second storage
Boiler (14), repeats above step, and a part of hot water in final second hot water storage tank (14) flows through bath appliance (20) for washing
Bath, a part of hot water heat for flooring radiation heating end (19) for dormitory;
When spring, autumn, third valve (15) is closed, and the second valve (13) is opened, it is contemplated that temperature or relatively low, unlatching
First valve (12) adjusts water temperature, is dormitory for bath water, adjusts to bathing requirement is met, at this time boiler (11) and heat
Pumping system works together, and the dormitory bath wastewater of bath appliance (20) outflow is purified through wastewater collection filter (21), focuses on useless
Pond (22), the water in wastewater disposal basin (22) extracted indirectly through plate heat exchanger (8) in bathing spent hot water using waste heat, and
Water in plate heat exchanger (8) after cooling is discharged into municipal sewage pipe network by drainage pipeline (9), the heat-carrying in plate heat exchanger (8)
Again with the refrigerant heat exchanger in evaporator (6), the refrigerant gas of endothermic gasification enters compressor (7), is compressed to height medium
The steam of warm high pressure, steam enter back into condenser (4) condensation heat release, and the saturated solution of condensed high-temperature high-pressure refrigerant is expanded
Evaporator (6) circulation above-mentioned steps are back flowed back into after the decompression of valve throttle mechanism, heat pump unit institute consuming electric power is additional from spent hot water
The thermal energy of recycling is delivered to condenser (4), and to heating part bathing hot water, low temperature tap water is by the first hot water storage tank (1)
It is flowed into condenser (4) through first circulation pump (3), tap water absorbs the heat in steam, and temperature is got higher, and water is laggard in heating
Enter in the first hot water storage tank (1), pass through the second hot water storage tank (14), is sent by flow pipe to bath appliance (20) and supplied by the difference that supplies water
Bathing uses, and the additional thermal energy recycled from spent hot water of heat pump unit institute consuming electric power is delivered to condenser (4), to heating part
Bathing hot water, hot water flow into bath appliance (20) through the second hot water storage tank (14), recycle above step;It is different from winter
It is that boiler (11) conveying energy is different, and flooring radiation heating end (19) is closed at this time;
In the early spring and Qiu Moshi, if weather is cold, when needing using flooring radiation heating end (19), third can be opened
Valve (15) heating, the first valve (12) open degree is bigger, and boiler (11) is for can increase, and at this moment hot water used in system a part is for washing
Bath, a part heating, the hot water in the second hot water storage tank (14) enters by third valve (15), second circulation pump (16) at this time
Water segregator (17), water segregator (17) manage the opening and closing of water flow in flooring radiation heating end (19), heat for dormitory,
Hot return water after heating flows into boiler (11), then flows back to the second hot water storage tank (14), repeats above step, final second accumulation of heat
A part of hot water in water tank (14) flows through bath appliance (20) for bathing, and a part of hot water is for flooring radiation heating end
(19), it heats for dormitory;
When summer, temperature is higher, and third valve (15) is closed, and the second valve (13) is opened, in the second hot water storage tank (14)
Water temperature meet bathing water supply requirement and can not open the first valve (12), heat pump system works at this time, and boiler (11) does not work, bathing
The dormitory bath wastewater of device (20) outflow is purified through wastewater collection filter (21), is focused on wastewater disposal basin (22), wastewater disposal basin (22)
In water extracted indirectly through plate heat exchanger (8) in bathing spent hot water using waste heat, and the cooling in the plate heat exchanger (8)
Water afterwards is discharged into municipal sewage pipe network by drainage pipeline (9), and the heat-carrying agent in plate heat exchanger (8) is again and in evaporator (6)
Refrigerant heat exchanger, the refrigerant gas of endothermic gasification enters compressor (7), is compressed to the steam of high temperature and pressure, steam is again
Heat release, weight after the expanded valve throttle mechanism decompression of the saturated solution of condensed high-temperature high-pressure refrigerant are condensed into condenser (4)
New flow into evaporator (6) recycle above-mentioned steps, and the additional thermal energy recycled from spent hot water of heat pump unit institute consuming electric power is delivered to cold
Condenser (4), to heating part bathing hot water, low temperature tap water is flowed by the first hot water storage tank (1) through first circulation pump (3)
In condenser (4), tap water absorbs the heat in steam, and temperature is got higher, and water enters the first hot water storage tank (1) after heating
In, the second hot water storage tank (14) are passed through, is sent by flow pipe to bath appliance (20) by the difference that supplies water and is used for bathing, heat pump unit
The additional thermal energy recycled from spent hot water of institute's consuming electric power is delivered to condenser (4), to heating part bathing hot water, hot water warp
Second hot water storage tank (14) flows into bath appliance (20), recycles above step;When being unsatisfactory for requiring, unlatching the first valve (12),
Second valve (13), at this moment heat pump system and boiler (11) work together, and the course of work only meets as when meeting the requirements
It is required that when bath water energy come from heat pump system, when without meeting the requirements bath water energy come from heat pump system and boiler
(11), all hot water of generation are used for bathing.
Dormitory lacks sanitary sewage during vacation, in sewage when waste heat deficiency, closes the second valve (13), opens first
Valve (12), heat pump system does not work at this time, and boiler (11) work, the second hot water storage tank (14) hot water enters bath appliance (20),
The dormitory bath wastewater of bath appliance (20) outflow is purified through wastewater collection filter (21), focuses on wastewater disposal basin (22), using
Drainage pipeline networks is discharged in municipal network system;And third valve (15) decides whether to open according to season temperature change, needs out
Qi Shi, flooring radiation heating end (19) work, and the hot water in the second hot water storage tank (14) is followed by third valve (15), second
Ring pumps (16) and enters water segregator (17), and water segregator (17) manages the unlatching of water flow and pass in flooring radiation heating end (19)
It closes, heats for dormitory, the hot return water after heating flows into boiler (11), then flows back to the second hot water storage tank (14), repeats the above step
Suddenly, a part of hot water in final second hot water storage tank (14) flows through bath appliance (20) for bathing, and a part of hot water is used for floor
Radiant heating end (19) is heated for dormitory.
Whether flooring radiation heating end (19) opens and closes is determined by the temperature value of temperature sensor (18), if warm
The temperature value for spending sensor (18) measurement is lower than 10 DEG C, and third valve (15) opens heating.
First hot water storage tank (1) and condenser (4), the heat-carrying agent between evaporator (6) and plate heat exchanger (8) are
Water.
The refrigerant recycled between condenser (4), expansion valve (5), evaporator (6) and compressor (7) be R134a (1,1,
1,2- tetrafluoroethane).
When wastewater collection filter (21) after a period of work, wastewater collection filter (21) in-core has precipitated certain
Impurity, at this moment pressure drop increase, and water flow velocity can decline, and need to remove the impurity and in time of wastewater collection filter (21) in-core in time
It replaces wastewater collection filter (21), safeguards system works normally.
Radiation plate arrangement in flooring radiation heating end (19) is ground type, i.e. radiant heating end is mounted on place
It gives up under floor, pipe network arrangement type is parallel type.
Detailed description of the invention
Attached drawing 1 is equipment drawing of the invention.
Label title in attached drawing 1: 1. first hot water storage tanks, 2. first tap water inlets, 3. first circulations pump, 4. condensations
Device, 5. expansion valves, 6. evaporators, 7. compressors, 8. plate heat exchangers, 9. drainage pipelines, 10. second tap water inlets, 11. pots
Furnace, 12. first valves, 13. second valves, 14. second hot water storage tanks, 15. third valves, 16. second circulations pump, 17. points of water
Device, 18. temperature sensors, the heating of 19. flooring radiations end, 20. bath appliances, 21. wastewater collection filters, 22. wastewater disposal basins.
Specific embodiment
A kind of energy management system using sewage source heat pump recycling sanitary wastewater residual heat heating suitable for students' dormitory
System is by the first hot water storage tank (1), the first tap water inlets (2), first circulation pump (3), condenser (4), expansion valve (5), steaming
Send out device (6), compressor (7), plate heat exchanger (8), drainage pipeline (9), the second tap water inlets (10), boiler (11), first
Valve (12), the second valve (13), the second hot water storage tank (14), third valve (15), second circulation pump (16), water segregator
(17), temperature sensor (18), flooring radiation heating end (19), bath appliance (20), wastewater collection filter (21), wastewater disposal basin
(22) it forms;
When winter, temperature is colder, opens the first valve 12, the second valve 13, and heat pump system and boiler 11 all work, and second
14 hot water of hot water storage tank enters bath appliance 20, and the dormitory bath wastewater that bath appliance 20 flows out is purified through wastewater collection filter 21,
Focus on wastewater disposal basin 22, the water in wastewater disposal basin 22 through plate heat exchanger 8 indirectly extract bathing spent hot water in using waste heat, and
Water after cooling down in plate heat exchanger 8 is discharged into municipal sewage pipe network by drainage pipeline 9, the heat-carrying agent in plate heat exchanger 8
Again with the refrigerant heat exchanger in evaporator 6, the refrigerant gas of endothermic gasification enters compressor 7, is compressed to high temperature and pressure
Steam, steam enter back into condenser 4 and condense heat release, the expanded valve throttle mechanism of the saturated solution of condensed high-temperature high-pressure refrigerant
Evaporator 6 is back flowed back into after decompression and recycles above-mentioned steps, and the additional thermal energy recycled from spent hot water of heat pump unit institute consuming electric power is defeated
It send to condenser 4, to heating part bathing hot water, low temperature tap water is flowed by the first hot water storage tank 1 through first circulation pump 3
In condenser 4, tap water absorbs the heat in steam, and temperature is got higher, and water enters after heating in the first hot water storage tank 1, then
The second hot water storage tank 14 is flowed through, is sent by flow pipe to bath appliance 20 by the difference that supplies water and is used for bathing, heat pump unit institute consuming electric power
The additional thermal energy recycled from spent hot water is delivered to condenser 4, and to heating part bathing hot water, hot water is through the second accumulation of heat water
Case 14 flows into bath appliance 20, recycles above step;Third valve 15 is opened, flooring radiation heating end 19 works, and second stores
Hot water in boiler 14 enters water segregator 17 by third valve 15, second circulation pump 16, and water segregator 17 manages flooring radiation
The opening and closing for the water flow in end 19 of heating, heat for dormitory, and hot return water after heating flows into boiler 11, then flow back to the
Two hot water storage tanks 14 repeat above step, and a part of hot water in final second hot water storage tank 14 flows through bath appliance 20 for bathing,
A part of hot water heats for flooring radiation heating end 19 for dormitory;
When spring, autumn, third valve 15 is closed, and the second valve 13 is opened, it is contemplated that temperature or relatively low, unlatching first
Valve 12 adjusts water temperature, is dormitory for bath water, adjusts to bathing requirement is met, boiler 11 and heat pump system are total at this time
With work, the dormitory bath wastewater that bath appliance 20 flows out is purified through wastewater collection filter 21, focuses on wastewater disposal basin 22, wastewater disposal basin
Water in 22 extracted indirectly through plate heat exchanger 8 in bathing spent hot water using waste heat, and after cooling down in plate heat exchanger 8
Water municipal sewage pipe network is discharged by drainage pipeline 9, the heat-carrying agent in plate heat exchanger 8 again with the refrigerant in evaporator 6
Heat exchange, the refrigerant gas of endothermic gasification enter compressor 7, are compressed to the steam of high temperature and pressure, and steam enters back into condenser 4
Heat release is condensed, back flows back into evaporator 6 after the expanded valve throttle mechanism decompression of the saturated solution of condensed high-temperature high-pressure refrigerant
Above-mentioned steps are recycled, the additional thermal energy recycled from spent hot water of heat pump unit institute consuming electric power is delivered to condenser 4, to heating part
Divide bathing hot water, low temperature tap water is flowed into condensers 4 by the first hot water storage tank 1 through first circulation pump 3, and tap water, which absorbs, to be steamed
Heat in vapour, temperature are got higher, and water enters after heating in the first hot water storage tank 1, passes through the second hot water storage tank 14, are relied on
The difference that supplies water is sent to bath appliance 20 by flow pipe and is used for bathing, the additional thermal energy recycled from spent hot water of heat pump unit institute consuming electric power
It is delivered to condenser 4, to heating part bathing hot water, hot water flows into bath appliance 20 through the second hot water storage tank 14, in circulation
The step of face;Unlike winter, the conveying energy of boiler 11 is different, and the end 19 of flooring radiation heating at this time is closed;
In the early spring and Qiu Moshi, if weather is cold, when needing using flooring radiation heating end 19, third valve can be opened
Door 15 heats, and 12 open degree of the first valve is bigger, and boiler 11 is for can increase, and at this moment hot water used in system a part is for bathing, a part
Heating, the hot water in the second hot water storage tank 14 enters water segregator 17, water segregator by third valve 15, second circulation pump 16 at this time
The opening and closing of water flow, heat, the hot return water after heating flows into pot in 17 management flooring radiation heating ends 19 for dormitory
In furnace 11, then the second hot water storage tank 14 is flowed back to, repeat above step, a part of hot water in final second hot water storage tank 14 flows through
Bath appliance 20 heats for bathing, a part of hot water for flooring radiation heating end 19 for dormitory;
When summer, temperature is higher, and third valve 15 is closed, and the second valve 13 is opened, the water temperature in the second hot water storage tank 14
The first valve 12 can not be opened by meeting bathing water supply requirement, and heat pump system works at this time, and boiler 11 does not work, what bath appliance 20 flowed out
Dormitory bath wastewater is purified through wastewater collection filter 21, focuses on wastewater disposal basin 22, the water in wastewater disposal basin 22 is through plate heat exchanger 8
Indirectly extract bathing spent hot water in using waste heat, and in plate heat exchanger 8 cool down after water city is discharged by drainage pipeline 9
Political affairs sewage network, heat-carrying agent in plate heat exchanger 8 again with the refrigerant heat exchanger in evaporator 6, the refrigerant of endothermic gasification
Gas enters compressor 7, is compressed to the steam of high temperature and pressure, and steam enters back into condenser 4 and condenses heat release, condensed high temperature
Evaporator 6, which is back flowed back into, after the expanded valve throttle mechanism decompression of the saturated solution of high-pressure refrigerant recycles above-mentioned steps, heat pump unit
The additional thermal energy recycled from spent hot water of institute's consuming electric power is delivered to condenser 4, and to heating part bathing hot water, low temperature is originally
Water is flowed into condenser 4 by the first hot water storage tank 1 through first circulation pump 3, and tap water absorbs the heat in steam, and temperature is got higher,
And water enters after heating in the first hot water storage tank 1, passes through the second hot water storage tank 14, is sent by flow pipe to washing by difference is supplied water
Bath 20 is used for bathing, and the additional thermal energy recycled from spent hot water of heat pump unit institute consuming electric power is delivered to condenser 4, to add
Hot part bathing hot water, hot water flow into bath appliance 20 through the second hot water storage tank 14, recycle above step;It is unsatisfactory for requiring
When, open the first valve 12, the second valve 13, at this moment heat pump system and boiler 11 work together, the course of work with meet the requirements
When it is the same, when only meeting the requirements bath water energy come from heat pump system, bath water energy comes from when without meeting the requirements
All hot water of heat pump system and boiler 11, generation are used for bathing.
Dormitory lacks sanitary sewage during vacation, in sewage when waste heat deficiency, closes the second valve 13, opens the first valve
Door 12, heat pump system does not work at this time, and boiler 11 works, and 14 hot water of the second hot water storage tank enters bathing 20, and bath appliance 20 flows out
Dormitory bath wastewater through wastewater collection filter 21 purify, focus on wastewater disposal basin 22, be discharged to municipal pipe using drainage pipeline networks
In net system;And third valve 15 decides whether to open according to season temperature change, and when needing to open, flooring radiation heating end
19 work, and the hot water in the second hot water storage tank 14 enters water segregator 17, water segregator 17 by third valve 15, second circulation pump 16
The opening and closing for managing water flow in flooring radiation heating end 19, heat, the hot return water after heating flows into boiler for dormitory
In 11, then the second hot water storage tank 14 is flowed back to, repeat above step, a part of hot water in final second hot water storage tank 14, which flows through, to be washed
Bath 20 heats for bathing, a part of hot water for flooring radiation heating end 19 for dormitory.
Claims (8)
1. a kind of energy management system using sewage source heat pump recycling sanitary wastewater residual heat heating suitable for students' dormitory,
It is characterized in that:
By the first hot water storage tank (1), the first tap water inlets (2), first circulation pump (3), condenser (4), expansion valve (5), steam
Send out device (6), compressor (7), plate heat exchanger (8), drainage pipeline (9), the second tap water inlets (10), boiler (11), first
Valve (12), the second valve (13), the second hot water storage tank (14), third valve (15), second circulation pump (16), water segregator
(17), temperature sensor (18), flooring radiation heating end (19), bath appliance (20), wastewater collection filter (21), wastewater disposal basin
(22) it forms;
First hot water storage tank (1) includes two entrances and two outlets, and wherein first entrance is cold running water entrance, second entrance
For condenser inlet, first outlet is first circulation pump discharge, and second outlet is the second valve export;Condenser (4) includes two
A entrance and two outlets, wherein first entrance is heat-carrying agent entrance, and second entrance is refrigerant inlet, first outlet the
The outlet of one hot water storage tank, second outlet is expansion valve outlet;Evaporator (6) includes two entrances and two outlets, wherein first
Entrance is refrigerant inlet, and second entrance is heat-carrying agent entrance, and first outlet is refrigerant outlet, and second outlet is heat-carrying Jie
Matter outlet;Plate heat exchanger (8) includes two entrances and two outlets, and wherein first entrance is heat-carrying agent entrance, and second enters
Mouth is sewage inlet, and first outlet is heat-carrying agent outlet, and second outlet is outlet of sewer;Boiler (11) include two entrances and
One outlet, wherein first entrance is cold running water entrance, and second entrance is the tap water inlets after heat exchange;Second hot water storage tank
(14) comprising two entrances and two outlets, wherein first entrance is boiler hot-water entrance, and second entrance is heat-pump hot-water entrance,
First outlet is domestic water outlet, and second outlet is heating outlet;Water segregator (17) includes that two entrances and two export,
Middle first entrance is heat-carrying agent entrance, and second entrance is flooring radiation heating end return water entrance, and first outlet is floor spoke
Heating end service water outlet is penetrated, second outlet is the backwater outlet after heating;
System connection type: external first tap water inlets (2) of the first hot water storage tank (1), the first hot water storage tank (1) first outlet
It is connected with first circulation pump (3) entrance, first circulation pump (3) outlet connects condenser (4) second entrance, and condenser (4) first goes out
Mouthful it is connected with the first hot water storage tank (1) entrance, expansion valve (5) entrance is connected with condenser (4) second outlet, evaporator (6) the
One entrance is connected with expansion valve (5) outlet, and compressor (7) entrance connects evaporator (6) first outlet, condenser (4) second entrance
It is connected with compressor (7) outlet, evaporator (6) second outlet connects plate heat exchanger (8) first entrance, plate heat exchanger (8) the
One outlet is connected with evaporator (6) second entrance;First hot water storage tank (1) second outlet connects the second valve (13) entrance, boiler
(11) external second tap water inlets (10), boiler (11) outlet connect the first valve (12) entrance, the first valve (12) outlet with
Second hot water storage tank (14) first entrance is connected, and the second valve (13) outlet is connected to the second hot water storage tank (14) second entrance, the
Two hot water storage tanks (14) first outlet is connect with bath appliance (20) entrance, bath appliance (20) outlet and wastewater collection filter (21)
Entrance connection, wastewater collection filter (21) outlet are connected to wastewater disposal basin (22) entrance, wastewater disposal basin (22) outlet and plate heat exchanger
(8) second entrance connects, and plate heat exchanger (8) second outlet runs in waterpipe (9), and the second hot water storage tank (14) second outlet connects
Third valve (15) entrance, third valve (15), which exports, connects second circulation pump (16) entrance, and second circulation pumps (16) outlet and divides
The connection of hydrophone (17) first entrance, water segregator (17) first outlet are connected with pipe network in flooring radiation heating end (19), floor
Pipe network outlet is connected with water segregator (17) second entrance in radiant heating end (19), temperature sensor (18) one end and water segregator
(17) it is connected and is placed in flooring radiation heating end (19), water segregator (17) second outlet is connected to boiler (11) second entrance.
2. a kind of application sewage source heat pump recycling sanitary wastewater waste heat suitable for students' dormitory according to claim 1 supplies
Warm energy management system, feature include following procedure:
When winter, temperature is colder, opens the first valve (12), the second valve (13), and heat pump system and boiler (11) all work, the
Two hot water storage tanks (14) hot water enters bath appliance (20), and the dormitory bath wastewater of bath appliance (20) outflow is through wastewater collection filter
(21) it purifies, focuses on wastewater disposal basin (22), the water in wastewater disposal basin (22) extracts in bathing spent hot water indirectly through plate heat exchanger (8)
Using waste heat, and the water in the plate heat exchanger (8) after cooling is discharged into municipal sewage pipe network by drainage pipeline (9), board-like
Again with the refrigerant heat exchanger in evaporator (6), the refrigerant gas of endothermic gasification enters compression for heat-carrying agent in heat exchanger (8)
Machine (7), is compressed to the steam of high temperature and pressure, and steam enters back into condenser (4) condensation heat release, condensed high temperature and pressure refrigeration
Evaporator (6) circulation above-mentioned steps, the power consumption of heat pump unit institute are back flowed back into after the expanded valve throttle mechanism decompression of the saturated solution of agent
Can the additional thermal energy recycled from spent hot water be delivered to condenser (4), to heating part bathing hot water, low temperature tap water by
First hot water storage tank (1) flows into condenser (4) through first circulation pump (3), and tap water absorbs the heat in steam, and temperature becomes
Height, and water enters after heating in the first hot water storage tank (1), passes through the second hot water storage tank (14), by the difference that supplies water by sending water
Pipe send to bath appliance (20) and uses for bathing, and the additional thermal energy recycled from spent hot water of heat pump unit institute consuming electric power is delivered to condensation
Device (4), to heating part bathing hot water, hot water flows into bath appliance (20) through the second hot water storage tank (14), recycles above
Step;It opens third valve (15), flooring radiation heats end (19) work, and the hot water in the second hot water storage tank (14) is by the
Three valves (15), second circulation pump (16) enter water segregator (17), and water segregator (17) manages in flooring radiation heating end (19)
The opening and closing of water flow heat for dormitory, and the hot return water after heating flows into boiler (11), then flows back to the second hot water storage tank
(14), above step is repeated, a part of hot water in final second hot water storage tank (14) flows through bath appliance (20) for bathing, and one
Divide hot water for flooring radiation heating end (19), heats for dormitory;
When spring, autumn, third valve (15) is closed, and the second valve (13) is opened, it is contemplated that temperature or relatively low, unlatching first
Valve (12) adjusts water temperature, is dormitory for bath water, adjusts to bathing requirement is met, at this time boiler (11) and heat pump system
System works together, and the dormitory bath wastewater of bath appliance (20) outflow is purified through wastewater collection filter (21), focuses on wastewater disposal basin
(22), the water in wastewater disposal basin (22) extracted indirectly through plate heat exchanger (8) in bathing spent hot water using waste heat, and board-like
Water in heat exchanger (8) after cooling is discharged into municipal sewage pipe network by drainage pipeline (9), the heat-carrying agent in plate heat exchanger (8)
Again with the refrigerant heat exchanger in evaporator (6), the refrigerant gas of endothermic gasification enters compressor (7), is compressed to high temperature height
The steam of pressure, steam enter back into condenser (4) condensation heat release, the expanded valve section of the saturated solution of condensed high-temperature high-pressure refrigerant
Evaporator (6) circulation above-mentioned steps are back flowed back into after the decompression of stream mechanism, heat pump unit institute consuming electric power is additional to be recycled from spent hot water
Thermal energy be delivered to condenser (4), to heating part bathing hot water, low temperature tap water is by the first hot water storage tank (1) through
One circulating pump (3) flows into condenser (4), and tap water absorbs the heat in steam, and temperature gets higher, and water enters the after heating
In one hot water storage tank (1), the second hot water storage tank (14) are passed through, are sent to bath appliance (20) by flow pipe for bathing by difference is supplied water
It uses, the additional thermal energy recycled from spent hot water of heat pump unit institute consuming electric power is delivered to condenser (4), to heating part bathing
With hot water, hot water flows into bath appliance (20) through the second hot water storage tank (14), recycles above step;Unlike winter, pot
Furnace (11) conveying energy is different, and flooring radiation heating end (19) is closed at this time;
In the early spring and Qiu Moshi, if weather is cold, when needing using flooring radiation heating end (19), third valve can be opened
(15) it heating, the first valve (12) open degree is bigger, and boiler (11) is for can increase, and at this moment hot water used in system a part is for bathing, and one
Part is heated, and the hot water in the second hot water storage tank (14) enters by third valve (15), second circulation pump (16) and divides water at this time
Device (17), water segregator (17) manage the opening and closing of water flow in flooring radiation heating end (19), heat for dormitory, heating
Hot return water afterwards flows into boiler (11), then flows back to the second hot water storage tank (14), repeats above step, final second hot water storage tank
(14) a part of hot water in flows through bath appliance (20) for bathing, and a part of hot water is for flooring radiation heating end (19)
Dormitory heating;
When summer, temperature is higher, and third valve (15) is closed, and the second valve (13) is opened, the water in the second hot water storage tank (14)
Temperature, which meets bathing water supply requirement, can not open the first valve (12), and heat pump system works at this time, and boiler (11) does not work, bath appliance
(20) the dormitory bath wastewater flowed out is purified through wastewater collection filter (21), is focused on wastewater disposal basin (22), in wastewater disposal basin (22)
Water extracted indirectly through plate heat exchanger (8) in bathing spent hot water using waste heat, and in the plate heat exchanger (8) after cooling
Water municipal sewage pipe network is discharged by drainage pipeline (9), the heat-carrying agent in plate heat exchanger (8) is again and in evaporator (6)
Refrigerant heat exchanger, the refrigerant gas of endothermic gasification enter compressor (7), are compressed to the steam of high temperature and pressure, steam again into
Enter condenser (4) condensation heat release, after the expanded valve throttle mechanism decompression of the saturated solution of condensed high-temperature high-pressure refrigerant again
It flows into evaporator (6) and recycles above-mentioned steps, the additional thermal energy recycled from spent hot water of heat pump unit institute consuming electric power is delivered to condensation
Device (4), to heating part bathing hot water, low temperature tap water is flowed by the first hot water storage tank (1) through first circulation pump (3) cold
In condenser (4), tap water absorbs the heat in steam, and temperature is got higher, and water enters after heating in the first hot water storage tank (1),
The second hot water storage tank (14) are passed through, is sent by flow pipe to bath appliance (20) by the difference that supplies water and is used for bathing, heat pump unit institute
The additional thermal energy recycled from spent hot water of consuming electric power is delivered to condenser (4), and to heating part bathing hot water, hot water is through
Two hot water storage tanks (14) flow into bath appliance (20), recycle above step;When being unsatisfactory for requiring, the first valve (12), the are opened
Two valves (13), at this moment heat pump system and boiler (11) work together, and the course of work only meets and wants as when meeting the requirements
Bath water energy comes from heat pump system when asking, and bath water energy comes from heat pump system and boiler when without meeting the requirements
(11), all hot water of generation are used for bathing.
3. a kind of application sewage source heat pump recycling sanitary wastewater waste heat suitable for students' dormitory according to claim 1 supplies
Warm energy management system, it is characterised in that:
Dormitory lacks sanitary sewage during vacation, in sewage when waste heat deficiency, closes the second valve (13), opens the first valve
(12), heat pump system does not work at this time, and boiler (11) work, the second hot water storage tank (14) hot water enters bath appliance (20), bathing
The dormitory bath wastewater of device (20) outflow is purified through wastewater collection filter (21), wastewater disposal basin (22) is focused on, using draining
Pipe network is discharged in municipal network system;And third valve (15) decides whether to open according to season temperature change, when needing to open,
Flooring radiation heating end (19) works, and the hot water in the second hot water storage tank (14) is pumped by third valve (15), second circulation
(16) enter water segregator (17), water segregator (17) manages the opening and closing of water flow in flooring radiation heating end (19), is
Dormitory heating, the hot return water after heating flows into boiler (11), then flows back to the second hot water storage tank (14), repeats above step, most
A part of hot water in the second hot water storage tank (14) flows through bath appliance (20) for bathing eventually, and a part of hot water is supplied for flooring radiation
Warm end (19) heat for dormitory.
4. a kind of application sewage source heat pump recycling sanitary wastewater waste heat suitable for students' dormitory according to claim 1 supplies
Warm energy management system, it is characterised in that:
Whether flooring radiation heating end (19) opens and closes is determined by the temperature value of temperature sensor (18), if temperature passes
The temperature value of sensor (18) measurement is lower than 10 DEG C, and third valve (15) opens heating.
5. a kind of application sewage source heat pump recycling sanitary wastewater waste heat suitable for students' dormitory according to claim 1 supplies
Warm energy management system, it is characterised in that:
First hot water storage tank (1) and condenser (4), the heat-carrying agent between evaporator (6) and plate heat exchanger (8) are water.
6. a kind of application sewage source heat pump recycling sanitary wastewater waste heat suitable for students' dormitory according to claim 1 supplies
Warm energy management system, it is characterised in that:
The refrigerant recycled between condenser (4), expansion valve (5), evaporator (6) and compressor (7) is R134a (1,1,1,2-
Tetrafluoroethane).
7. a kind of application sewage source heat pump recycling sanitary wastewater waste heat suitable for students' dormitory according to claim 1 supplies
Warm energy management system, it is characterised in that:
When wastewater collection filter (21) after a period of work, wastewater collection filter (21) in-core has precipitated certain miscellaneous
Matter, at this moment pressure drop increase, and water flow velocity can decline, and need to remove the impurity and in time more of wastewater collection filter (21) in-core in time
It changes wastewater collection filter (21), safeguards system works normally.
8. a kind of application sewage source heat pump recycling sanitary wastewater waste heat suitable for students' dormitory according to claim 1 supplies
Warm energy management system, it is characterised in that:
The flooring radiation radiation plate arrangement in end (19) that heats is ground type, i.e., radiant heating end is with being mounted on dormitory
Under plate, pipe network arrangement type is parallel type.
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CN110873355A (en) * | 2019-12-23 | 2020-03-10 | 北京市热力集团有限责任公司 | Double-heat-storage-tank heat storage system and heat supply large-network matching method |
CN113465014A (en) * | 2021-05-25 | 2021-10-01 | 东南大学 | Double-source water supply system for gradient utilization of bath wastewater heat energy and control method thereof |
CN114857777A (en) * | 2022-05-13 | 2022-08-05 | 中煤矿业集团有限公司 | Domestic sewage waste heat recovery system and construction method thereof |
CN117232142A (en) * | 2023-11-11 | 2023-12-15 | 沧州医学高等专科学校 | Bathing waste water waste heat utilization and waste water recycling integrated system |
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