CN102261704A - Direct-type sewage source heat pump central air-conditioning hot water system - Google Patents
Direct-type sewage source heat pump central air-conditioning hot water system Download PDFInfo
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- CN102261704A CN102261704A CN2011101277588A CN201110127758A CN102261704A CN 102261704 A CN102261704 A CN 102261704A CN 2011101277588 A CN2011101277588 A CN 2011101277588A CN 201110127758 A CN201110127758 A CN 201110127758A CN 102261704 A CN102261704 A CN 102261704A
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Abstract
The invention relates to a direct-type sewage source heat pump central air-conditioning hot water system which comprises a sewage intake system, a heat pump unit and a tail end system, wherein the sewage intake system is characterized in that an anti-blocking automatic filtration device is used for disposing large pollutant particles out of sewage; then the sewage directly enters heat exchangers in the heat pump unit; and after being subjected heat exchange in the heat exchangers in the heat pump unit, the sewage is washed back to a sewage pipeline by the anti-blocking automatic filtration device; the heat pump unit comprises a sewage heat exchanger, a soft water heat exchanger, a domestic hot water heat exchanger, a throttle and ball valves and a compressor, and through the switching among the ball valve I (8), the ball valve II (9), the ball valve III (11) and the ball valve IV (12), the conversion among the functions of heating in winter, refrigerating in winter and domestic hot water supply all year round can be realized; and the tail end system comprises a tail end air-conditioning system and a domestic hot water system.
Description
Technical field
The invention belongs to a kind of heat pump air conditioner hot-water heating system, particularly relate to a kind of direct-type sewage source heat pump central air-conditioning hot water supply system.
Background technology
Present sewage source heat pump air-conditioning system is mainly divided direct-type and two kinds of forms of indirect type.The direct-type sewage source heat pump system is that sewage enters the source pump heat exchanger, the water utilization temperature difference is big, the system effectiveness height, but because sewage directly contacts with the source pump heat exchanger, corrosion and fouling very easily take place, reduce heat exchange efficiency, also exist summer in winter condenser and the evaporimeter water route can't transfer problem.Owing to there is this technical problem, the sewage source heat pump air-conditioning system mainly adopts the indirect type system, by Intermediate Heat Exchanger sewage and source pump are separated, so not only increased equipment investment but also reduced operational efficiency and the cleaning that has increased middle heat exchanger.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, provides a kind of rational in infrastructure, can adopt direct-type sewage source heat pump central air-conditioning hot water supply system.
The present invention solves the technical scheme that above technical problem adopts: direct-type sewage source heat pump central air-conditioning hot water supply system comprises sewage intake system, source pump and end system; Described sewage intake system is: trunk sewer is guided to storage pool by pipeline, sewage immersible pump outlet in the storage pool links to each other with anti-blocking automatic filtering unit sewage inlet, anti-blocking automatic filtering unit outlet of sewer links to each other with source pump sewage heat exchanger sewage inlet, source pump sewage heat exchanger outlet of sewer links to each other with anti-blocking automatic filtering unit sewage backwash inlet, and anti-blocking automatic filtering unit sewage backwash outlet links to each other with trunk sewer by pipeline; Described source pump is: compressor outlet links to each other with domestic hot-water's heat exchanger top refrigerant line, domestic hot-water's heat exchanger bottom refrigerant line divides two-way, one the tunnel links to each other with sewage heat exchanger top refrigerant line through ball valve three (11), and one the tunnel links to each other with soft water heat exchanger top refrigerant line through ball valve four (12); The refrigerant line of compressor air suction mouth divides two-way, and one the tunnel links to each other with sewage heat exchanger top refrigerant line through ball valve one (8), and one the tunnel links to each other with soft water heat exchanger top refrigerant line through ball valve two (9); The refrigerant line that links to each other between sewage heat exchanger bottom and the soft water heat exchanger bottom is provided with choke valve; Described end system comprises: central air conditioner system and hot water supply system, central air conditioner system is that the outlet of soft water heat exchanger water route is connected with the air conditioner end equipment supply channel, the air conditioner end equipment water return pipeline is connected with soft water heat exchanger waterway inlet through circulating pump, establishes the water-supply and pressure-stabling device on the connecting line of air conditioner end equipment return pipe and circulating pump water return outlet; Described hot water supply system is that domestic hot-water's heat exchanger water route export pipeline is connected to domestic hot-water's upper box part, and domestic hot-water's heat exchanger waterway inlet pipeline is connected to domestic hot-water's lower box part through hot-water circulating pump; The water pipe of domestic hot-water's lower box part is provided with magnetic valve, and the hot water export pipeline under domestic hot-water's upper box part low water line is connected to the domestic water end through the hot water supply-water pump, and the terminal water return pipeline of domestic water is connected to domestic hot-water's case middle part.
Described source pump sewage heat exchanger winter heating is an evaporimeter, and summer, refrigeration was condenser.
Described source pump soft water heat exchanger winter heating is a condenser, and summer, refrigeration was evaporimeter.
Described source pump sewage heat exchanger adopts anti-soil aqueous corrosion material, the sewage import is located at below the sewage heat exchanger end, and outlet of sewer is located at above the sewage heat exchanger end, and the end plate that can open cleaning is established in the sewage heat exchanger rear and front end, side is established visor before and after the end plate, and heat exchanger tube adopts light pipe.
Direct-type sewage source heat pump central air-conditioning hot water supply system's of the present invention operation principle is: the sewage in the trunk sewer is guided in the storage pool by pipeline, after the extraction of the sewage immersible pump in the storage pool, entering the anti-blocking automatic filtering unit disposes the bulky grain pollution, entering in source pump sewage heat exchanger and the source pump sewage heat exchanger after the cold-producing medium heat exchange through the anti-blocking automatic filtering unit backwash then gets back in the trunk sewer again; Winter heating and spring and autumn are in the time of need not freezing, open ball valve one (8) and ball valve four (12), close ball valve two (9) and ball valve three (11), liquid refrigerant absorbs that heat of vaporization becomes the low pressure gaseous state in the sewage in the sewage heat exchanger, enter compressor compresses through ball valve one (8) and become the HTHP gaseous state, be introduced into the heat release of domestic hot-water's heat exchanger then, enter the heat release of soft water heat exchanger through ball valve four (12) again and become the cryogenic high pressure liquid state, become the low-temp low-pressure liquid state to enter sewage heat exchanger heat absorption circular flow again through the choke valve throttling; Summer, refrigeration was opened ball valve two (9) and ball valve three (11), close ball valve one (8) and ball valve four (12), gaseous refrigerant is emitted heat earlier in the domestic hot-water in domestic hot-water's heat exchanger, enter into sewage heat exchanger then and emit heat to sewage formation cryogenic high pressure liquid state, become the low-temp low-pressure liquid state to enter the soft water heat exchanger through the choke valve throttling and absorb heat into the low pressure gaseous state, enter compressor compresses through ball valve 9 and become the HTHP gaseous state, enter sewage heat exchanger heat release circular flow through ball valve three (11) again; Demineralized water in the air conditioner end equipment enters the soft water heat exchanger through the pressurization of air-conditioning circulating pump, absorbs heat into 45 ℃ of hot water winter and enters the air conditioner end equipment heat release and become 40 ℃ of hot water, enters the circular flow of soft water heat exchanger through the air-conditioning circulating pump then; The heat release in summer becomes 7 ℃ of cold water to enter air conditioner end equipment to absorb heat into 12 ℃ of cold water, enter the circular flow of soft water heat exchanger through the air-conditioning circulating pump then; The pressure that terminal air-conditioning system is expanded with heat and contract with cold changes to be regulated automatically by water-supply and pressure-stabling equipment; Domestic hot-water in domestic hot-water's case enters domestic hot-water's heat exchanger through the hot water circulating pump pressurized circulation, enters domestic hot-water's case after the heat absorption, and the hot water temperature reaches 60 ℃ of hot water circulating pumps and stops; The hot water that the hot water supply-water pump extracts domestic hot-water's upper box part is fed to the terminal use of domestic water, makes exhaustless hot water in hot water return pipe is got back to domestic hot-water's case; Along with the use of terminal hot water, water level drops to low water level in domestic hot-water's case, and the additional cold water of magnetic valve that starts on the water pipe stops to high water level; Along with hot water temperature in the increase domestic hot-water case of moisturizing is reduced to 45 ℃, start hot water circulating pump, the circulation of domestic hot-water's lower box part cold water enters the heating of domestic hot-water's heat exchanger.
The technology of the present invention characteristics are, a machine three-use, winter heating freeze the domestic hot-water is provided the whole year summers, and the summer in winter adopts refrigerant line condenser and evaporimeter to switch, sewage directly enters source pump, save Intermediate Heat Exchanger, reduced secondary heat exchange, thereby improved the source pump heat exchange efficiency, the cancellation sewage (waste water) recirculating pump, save operating cost, and reduced investment of equipment, reduced machine room area.
Description of drawings
Accompanying drawing is a direct-type sewage source heat pump central air-conditioning hot water supply system schematic diagram of the present invention
Among the figure: A, the sewage intake system, B, source pump, C, end system, 1, sewage or surface water trunk canal, 2, storage pool, 3, the sewage immersible pump, 4, the anti-blocking automatic filtering unit, 5, the soft water heat exchanger, 6, sewage heat exchanger, 7, choke valve, 8, ball valve one (8), 9, ball valve two (9), 10, compressor, 11, ball valve three (11), 12, ball valve four (12), 13, domestic hot-water's heat exchanger, 14, air conditioner end equipment, 15, water-supply and pressure-stabling equipment, 16, the air-conditioning circulating pump, 17, hot water circulating pump, 18, domestic hot-water's case, 19, the domestic water end, 20, the hot water supply-water pump, 21, magnetic valve.
The specific embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described further:
As shown in drawings, this invention direct-type sewage source heat pump central air-conditioning hot water supply system is made up of sewage intake system, source pump and end system.The sewage intake system contains: trunk sewer 1, storage pool 2, sewage immersible pump 3, anti-blocking automatic filtering unit 4, source pump contain: soft water heat exchanger 5, sewage heat exchanger 6, choke valve 7, ball valve one (8) 8, ball valve two (9) 9, compressor 10, ball valve three (11) 11, ball valve four (12) 12, domestic hot-water's heat exchanger 13; End system contains: air conditioner end equipment 14, water-supply and pressure-stabling equipment 15, air-conditioning circulating pump 16, hot water circulating pump 17, domestic hot-water's case 18, domestic water end 19, hot water supply-water pump 20, magnetic valve 21.
The course of work of the present invention is:
One, the A of sewage intake system heat exchange
Sewage in the trunk sewer 1 or surface water are guided in the storage pool 2 by pipeline, after 3 extractions of the sewage immersible pump in the storage pool 2, entering anti-blocking automatic filtering unit 4 disposes the bulky grain pollution, entering in source pump sewage heat exchanger 6 and the source pump sewage heat exchanger 6 after the cold-producing medium heat exchange through the anti-blocking automatic filtering unit 4 backwashes then gets back in sewage or the surface water trunk canal 1 again.
Two, source pump B heat exchange
Winter heating and spring and autumn are in the time of need not freezing, open ball valve one (8) 8 and ball valve four (12) 12, close ball valve two (9) 9 and ball valve three (11) 11, liquid refrigerant absorbs that heat of vaporization becomes the low pressure gaseous state in the sewage in the sewage heat exchanger 6, enter compressor 10 through ball valve one (8) 8 and be compressed into the HTHP gaseous state, be introduced into 13 heat releases of domestic hot-water's heat exchanger then, enter 5 heat releases of soft water heat exchanger through ball valve four (12) 12 again and become the cryogenic high pressure liquid state, become the low-temp low-pressure liquid state to enter sewage heat exchanger 6 heat absorption circular flows again through choke valve 7 throttlings; Summer, refrigeration was opened ball valve two (9) 9 and ball valve three (11) 11, close ball valve one (8) 8 and ball valve four (12) 12, gaseous refrigerant is emitted heat earlier in the domestic hot-water in domestic hot-water's heat exchanger 13, enter into sewage heat exchanger 6 then and emit heat to sewage formation cryogenic high pressure liquid state, become the low-temp low-pressure liquid state to enter soft water heat exchanger 5 through choke valve 7 throttlings and absorb heat into the low pressure gaseous state, enter compressor 10 through ball valve 9 and be compressed into the HTHP gaseous state, enter sewage heat exchanger 6 heat release circular flows through ball valve three (11) 11 again.
Three, end system C heat exchange
Demineralized waters in the air conditioner end equipment 14 enter soft water heat exchanger 5 through 16 pressurizations of air-conditioning circulating pump, absorb heat into 45 ℃ of hot water winter and enter air conditioner end equipment 14 heat releases and become 40 ℃ of hot water, enter 5 circular flows of soft water heat exchanger through air-conditioning circulating pump 16 then; The heat release in summer becomes 7 ℃ of cold water to enter air conditioner end equipment 14 to absorb heat into 12 ℃ of cold water, enter 5 circular flows of soft water heat exchanger through air-conditioning circulating pump 16 then; The pressure that terminal air-conditioning system is expanded with heat and contract with cold changes by water-supply and pressure-stabling equipment 15 to be regulated automatically; Domestic hot-water in domestic hot-water's case 18 enters domestic hot-water's heat exchanger 13 through hot water circulating pump 17 pressurized circulation, enters domestic hot-water's case 14 after the heat absorption, and the hot water temperature reaches 60 ℃ of hot water circulating pumps 17 and stops; The hot water that hot water supply-water pump 20 extracts domestic hot-water's case 14 tops is fed to terminal 19 uses of domestic water, makes exhaustless hot water in hot water return pipe is got back to domestic hot-water's case 14; Along with the use of terminal hot water, water level drops to low water level in domestic hot-water's case 14, and the magnetic valve 21 additional cold water that start on the water pipe stop to high water level; Along with hot water temperature in the increase domestic hot-water case 14 of moisturizing is reduced to 45 ℃, start hot water circulating pump 17, the 14 bottom cold water circulations of domestic hot-water's case enter 13 heating of domestic hot-water's heat exchanger.
The above only is a preferred embodiments of the present invention, and is any to simple adjustment of structure work of the present invention, all should belong in the scope of technical scheme of the present invention.
Claims (4)
1. a direct-type sewage source heat pump central air-conditioning hot water supply system is characterized in that: comprise sewage intake system, source pump and end system; Described sewage intake system is: trunk sewer is guided to storage pool by pipeline, sewage immersible pump outlet in the storage pool links to each other with anti-blocking automatic filtering unit sewage inlet, anti-blocking automatic filtering unit outlet of sewer links to each other with source pump sewage heat exchanger sewage inlet, source pump sewage heat exchanger outlet of sewer links to each other with anti-blocking automatic filtering unit sewage backwash inlet, and anti-blocking automatic filtering unit sewage backwash outlet links to each other with trunk sewer by pipeline; Described source pump is: compressor outlet links to each other with domestic hot-water's heat exchanger top refrigerant line, domestic hot-water's heat exchanger bottom refrigerant line divides two-way, one the tunnel links to each other with sewage heat exchanger top refrigerant line through ball valve three (11), and one the tunnel links to each other with soft water heat exchanger top refrigerant line through ball valve four (12); The refrigerant line of compressor air suction mouth divides two-way, and one the tunnel links to each other with sewage heat exchanger top refrigerant line through ball valve one (8), and one the tunnel links to each other with soft water heat exchanger top refrigerant line through ball valve two (9); The refrigerant line that links to each other between sewage heat exchanger bottom and the soft water heat exchanger bottom is provided with choke valve; Described end system comprises: central air conditioner system and hot water supply system, central air conditioner system is that the outlet of soft water heat exchanger water route is connected with the air conditioner end equipment supply channel, the air conditioner end equipment water return pipeline is connected with soft water heat exchanger waterway inlet through circulating pump, establishes the water-supply and pressure-stabling device on the connecting line of air conditioner end equipment return pipe and circulating pump water return outlet; Described hot water supply system is that domestic hot-water's heat exchanger water route export pipeline is connected to domestic hot-water's upper box part, and domestic hot-water's heat exchanger waterway inlet pipeline is connected to domestic hot-water's lower box part through hot-water circulating pump; The water pipe of domestic hot-water's lower box part is provided with magnetic valve, and the hot water export pipeline under domestic hot-water's upper box part low water line is connected to the domestic water end through the hot water supply-water pump, and the terminal water return pipeline of domestic water is connected to domestic hot-water's case middle part.
2. direct-type sewage source heat pump central air-conditioning hot water supply system's according to claim 1 source pump sewage heat exchanger is characterized in that: winter heating is an evaporimeter, and summer, refrigeration was condenser.
3. direct-type sewage source heat pump central air-conditioning hot water supply system's according to claim 1 source pump soft water heat exchanger is characterized in that: winter heating is a condenser, and summer, refrigeration was evaporimeter.
4. direct-type sewage source heat pump central air-conditioning hot water supply system's according to claim 1 source pump sewage heat exchanger, it is characterized in that: adopt anti-soil aqueous corrosion material, the sewage import is located at below the sewage heat exchanger end, outlet of sewer is located at above the sewage heat exchanger end, the end plate that can open cleaning is established in the sewage heat exchanger rear and front end, side is established visor before and after the end plate, and heat exchanger tube adopts light pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101277588A CN102261704A (en) | 2011-05-08 | 2011-05-08 | Direct-type sewage source heat pump central air-conditioning hot water system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101277588A CN102261704A (en) | 2011-05-08 | 2011-05-08 | Direct-type sewage source heat pump central air-conditioning hot water system |
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| CN102261704A true CN102261704A (en) | 2011-11-30 |
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| CN2011101277588A Pending CN102261704A (en) | 2011-05-08 | 2011-05-08 | Direct-type sewage source heat pump central air-conditioning hot water system |
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Cited By (7)
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| CN102489064A (en) * | 2011-12-01 | 2012-06-13 | 姜衍礼 | Anti-blocking automatic filtration device and system of city crude sewage and surface water source heat pump |
| CN103557632A (en) * | 2013-11-12 | 2014-02-05 | 哈尔滨商业大学 | Municipal drainage main channel air source heat pump system and circulation method |
| CN105241119A (en) * | 2015-10-30 | 2016-01-13 | 北京建筑大学 | Multifunctional combined heat pump system |
| CN107014020A (en) * | 2017-05-26 | 2017-08-04 | 烟台卓越新能源科技股份有限公司 | Comprehensive energy system in building field |
| CN110701827A (en) * | 2019-11-05 | 2020-01-17 | 中国华电科工集团有限公司 | Compact hundred kW-MW-level SOFC (solid oxide fuel cell) cold and hot electric system and operation method thereof |
| CN111895528A (en) * | 2020-08-04 | 2020-11-06 | 燕山大学 | Central air-conditioning system with water purification and heat recovery functions |
| CN111964198A (en) * | 2020-09-17 | 2020-11-20 | 广州恒德环保科技有限公司 | Geothermal central air conditioning system and cleaning method applied to same |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102489064A (en) * | 2011-12-01 | 2012-06-13 | 姜衍礼 | Anti-blocking automatic filtration device and system of city crude sewage and surface water source heat pump |
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| CN110701827A (en) * | 2019-11-05 | 2020-01-17 | 中国华电科工集团有限公司 | Compact hundred kW-MW-level SOFC (solid oxide fuel cell) cold and hot electric system and operation method thereof |
| CN110701827B (en) * | 2019-11-05 | 2024-04-23 | 中国华电科工集团有限公司 | Compact hundred kW-MW-level SOFC (solid oxide Fuel cell) cold-hot electric system and operation method thereof |
| CN111895528A (en) * | 2020-08-04 | 2020-11-06 | 燕山大学 | Central air-conditioning system with water purification and heat recovery functions |
| CN111895528B (en) * | 2020-08-04 | 2021-11-19 | 燕山大学 | Central air-conditioning system with water purification and heat recovery functions |
| CN111964198A (en) * | 2020-09-17 | 2020-11-20 | 广州恒德环保科技有限公司 | Geothermal central air conditioning system and cleaning method applied to same |
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Application publication date: 20111130 |