CN103528265A - Sewage source directly-draining type heat pump system - Google Patents
Sewage source directly-draining type heat pump system Download PDFInfo
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- CN103528265A CN103528265A CN201310451600.5A CN201310451600A CN103528265A CN 103528265 A CN103528265 A CN 103528265A CN 201310451600 A CN201310451600 A CN 201310451600A CN 103528265 A CN103528265 A CN 103528265A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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Abstract
The invention belongs to the technical field of heat pump systems and particularly relates to a sewage source directly-draining type heat pump system which comprises a sewage preprocessing unit, a preheating unit, a heat pump unit, a steam cleaning unit, a cold storage unit and a heat storage water tank. The sewage preprocessing unit comprises a sewage tank, a sewage pump and a sand filter. The preheating unit comprises a plate type heat exchanger, a preheating water tank and a heated water circulation pump. The plate type heat exchanger comprises a plate, a plate exchange sewage inlet, a plate exchange sewage outlet, a plate exchange tap water inlet and a plate exchange tap water outlet. The heat pump unit comprises a compressor, a vaporizer, a condenser, an expansion valve and a refrigerating agent. A cleaning device is of a detachable structure and comprises a cleaning water tank, a cleaning circulation pump and a steam generator. The cleaning water tank is connected with the cleaning circulation pump. The cleaning circulation pump is connected with the steam generator. The sewage source directly-draining type heat pump system achieves the effects of saving energy and reducing emission and solves the problems of hair blocking, large temperature difference and the like when sewage of a bathing room is utilized.
Description
Technical field
The invention belongs to heat pump technical field, be specifically related to a kind of source of sewage straight-line heat pump.
Background technology
The thermal source that current most of bathhouse is used is gas fired-boiler, coal-burning boiler, electric boiler, electric heater, solar energy+auxiliary electrical heater etc., because its heating efficiency is not high, and can not recycle the used heat of bathing discharge, also can produce harmful effect to environment, will be eliminated gradually.
Because the bathroom open hour are fixed, large by discharge, temperature is more stable, and shower temperature is moderate, is applicable to carrying out waste heat recovery with heat pump techniques.And because the wastewater temperature of bathroom discharge is higher, so operation of heat pump expense is lower, there is larger economical operation advantage.If utilize heat pump techniques to carry out hot water supply and Waste Heat Recovery to bathroom, larger energy-saving effect will be there is.
Following table is the result of use contrast of each thermal source:
As seen from the above table, comparatively energy-conservation hot-water heating system is bathroom dedicated for heat pump and air-source at present, in the applicable occasion of condition, can combine with bathroom dedicated for heat pump with air source heat pump completely, eliminates boiler.
In existing heat pump, do not comprise pre-heating system, bathroom makes water directly enter heat pump without preheating, needs heat pump to extract amount of heat, and heat pump can consume a lot of electric energy.
In existing heat pump, do not comprise pretreatment system for sewage in addition, bathroom sewage directly enters heat pump and can cause damage to evaporator with heat pump.
In existing heat pump, do not comprise air-conditioning system, the ice cold water that heat pump produces is not effectively utilized.
Owing to containing the impurity such as hair in bathroom, even if bathroom sewage still can cause to the equipment of heat pump the deposition of dirt and impurity after pretreatment, existing bathroom, with in heat pump, is not provided with the proprietary cleaning equipment for this kind of situation.
Summary of the invention
The object of the invention is the deficiency existing for prior art, a kind of source of sewage straight-line heat pump is provided, when reaching effects of energy saving and emission reduction, also solved the specific question running into when sewage source heat pump system utilizes bathroom sewage.
Technical scheme of the present invention is achieved in that
A kind of source of sewage straight-line heat pump of the present invention, comprises source pump, and source pump comprises compressor, evaporimeter, condenser, expansion valve and cold-producing medium,
Described sewage source heat pump system also comprises straight-line preheating unit,
Described straight-line preheating unit comprises plate type heat exchanger, preheating water tank and hot water circulating pump,
Described plate type heat exchanger comprises that plate, plate change that sewage inlet, plate change outlet of sewer, plate changes running water entrance and plate changes running water outlet,
Described plate changes outlet of sewer and is connected with described evaporimeter, and described plate changes running water outlet and is connected with described preheating water tank, and described preheating water tank is connected with described condenser by described hot water circulating pump.
Further, sewage source heat pump system of the present invention also comprises sewage pretreatment unit, described sewage pretreatment unit comprises foul water tank, sewage pump and sand filter, and described foul water tank is connected with described sand filter by described sewage pump, and described sand filter changes sewage inlet with described plate and is connected.
Further, the sand filter outer wall of sewage source heat pump system of the present invention is stainless steel, and inside is provided with filter screen and quartz sand.
Further, sewage source heat pump system of the present invention also comprises steam clean unit, described steam clean unit is dismountable structure, is connected with described sewage pretreatment unit, described source pump or described preheating unit, and the device unit of each unit is cleaned.
Further, the steam clean unit of sewage source heat pump system of the present invention comprises cleaning water tank, clean cycle pump and steam generator, described cleaning water tank is connected with described clean cycle pump, described clean cycle pump is connected with described steam generator, described steam generator is connected with the device unit of described each unit of sewage source heat pump system, and it is cleaned.
Further, sewage source heat pump system of the present invention also comprises hot water storage tank, and described hot water storage tank is connected with described source pump.
Further, sewage source heat pump system of the present invention also comprises cold-storage unit, and described cold-storage unit is connected with described source pump.
Further, the cold-storage unit of sewage source heat pump system of the present invention comprises kind of refrigeration cycle pump and cold-storage water tank.
Beneficial effect
1, sewage source heat pump system of the present invention is provided with preheating unit, in bathroom, use running water to enter before heat pump, adopt plate type heat exchanger to use running water to carry out preheating to bathroom, the heat-exchanging water adopting is bathroom sewage, make full use of the heat in bathroom sewage, fundamentally reduce energy consumption, after plate type heat exchanger heating, the leaving water temperature of final running water and the heat transfer temperature difference between bathroom sewage are less than 1 degree.
2, sewage source heat pump system of the present invention is provided with sewage pretreatment unit, owing to there being the impurity such as hair and spot in bathroom sewage, so must carry out pretreatment for these special impurity, the main equipment of sewage pretreatment unit of the present invention is sand filter, described sand filter outer wall is stainless steel, can effectively avoid corrosion, its inside is provided with filter screen and quartz sand, can effectively filter out hair and spot in bathroom sewage, and this of sand filter kind of internal structure setting is convenient to dismounting and is cleaned, when being used in conjunction with sewage source heat pump system purpose-built washing equipment of the present invention and cleaning, can dismantle, saved greatly the maintenance cost of equipment.
3, sewage source heat pump system of the present invention is provided with cold-storage unit, and described cold-storage unit comprises kind of refrigeration cycle pump and cold-storage water tank.Because heat pump in use can further reduce sewage temperature, can prepare the chilled water of 7 ℃, adopt kind of refrigeration cycle pump that chilled water is laid in cold-storage water tank, can use for the air-conditioning in parlor, bathroom or other rooms, save air-conditioning and make power consumption, further save the energy.
4, sewage source heat pump system of the present invention is provided with cleaning device, described steam cleaner comprises cleaning water tank, clean cycle pump and steam generator, steam cleaner is dismountable structure setting, can be for cleaning the evaporimeter of heat pump, the sand filter of pretreatment unit or other equipment that need to clean.Owing to being dismountable structure, and can use by interior each equipment connection of system, so equipment cost and maintenance cost significantly reduce, adopt steam to have as irrigation source easy to use, the remarkable advantage of non-environmental-pollution.
5, source of sewage direct discharge air conditioner heat pump of the present invention can all weather operations, without environmental limitations.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1. the structural representation of sewage source heat pump system of the present invention;
Fig. 2. the cleaning device of sewage source heat pump unit of the present invention.
Wherein, 1, foul water tank; 2, sewage pump; 3, sand filter; 4, clean water tank; 5, clean cycle pump; 6, steam generator; 7, plate type heat exchanger; 8, preheating water tank; 9, hot water circulating pump; 10, source pump; 11, hot water storage tank; 12, kind of refrigeration cycle pump; 13, cold-storage water tank; 14, the device unit of each unit.
In the present embodiment, each device parameter of source pump is as following table:
The sewage source heat pump system of the present embodiment comprises sewage pretreatment unit, straight-line preheating unit, source pump 10, steam clean unit, cold-storage unit and hot water storage tank 13;
Sewage pretreatment unit comprises foul water tank 1, sewage pump 2 and sand filter 3, and sand filter 3 outer walls are stainless steel, and inside is provided with filter screen and quartz sand;
Straight-line preheating unit comprises plate type heat exchanger 7, preheating water tank 8 and hot water circulating pump 9, and plate type heat exchanger 7 comprises that plate, plate change that sewage inlet, plate change outlet of sewer, plate changes running water entrance and plate changes running water outlet;
Source pump comprises compressor, evaporimeter, condenser, expansion valve and cold-producing medium;
Steam clean unit is dismountable structure, comprises and cleans water tank 4, clean cycle pump 5 and steam generator 6, cleans water tank 4 and is connected with clean cycle pump 5, and clean cycle pump 5 is connected with steam generator 6;
Cold-storage unit kind of refrigeration cycle pump 12 and cold-storage water tank 13;
The foul water tank 1 of sewage pretreatment unit is connected with sand filter 3 by sewage pump 2, sand filter 3 changes sewage inlet with the plate of plate type heat exchanger 7 and is connected, filter screen in sand filter 3 and quartz sand can effectively filter hair and the impurity in bathroom sewage, and making can be directly for plate type heat exchanger 7 through pretreated bathroom sewage;
The steam generator 6 of steam clean unit can be connected with sewage pretreatment unit, source pump, plate type heat exchanger 7 or preheating unit, device unit 14 to each unit cleans, in the present embodiment, the steam generator 6 of steam clean unit is connected with plate type heat exchanger 7, and plate type heat exchanger 7 is cleaned;
Hot water storage tank 11 is connected with source pump, and the bathroom after source pump heating is laid in running water;
The cold-storage water tank 13 of cold-storage unit is connected with source pump 10, the ice cold water of source pump 10 preparations is laid in, for the air-conditioning system in guest room.
The using method of the present embodiment:
First to stock temperature be the bathroom sewage of 32～34 ℃ to foul water tank 1, when foul water tank 1 is stocked after a certain amount of bathroom sewage, open sewage pump 2, by sewage pump 2 by bathroom sewage pump in sand filter 3, filter screen in sand filter 3 and quartz sand can effectively filter hair and the impurity in bathroom sewage, make through pretreated bathroom sewage directly for plate type heat exchanger 7, temperature is that the bathroom sewage of 32～34 ℃ is when being changed sewage inlet and entered plate type heat exchanger 7 by plate, the plate of opening plate type heat exchanger 7 changes running water entrance, running water and the heat exchange in plate type heat exchanger 7 of bathroom sewage, the water temperature of the running water after preheating can rise to 31～32 ℃, the plate of running water after preheating by plate type heat exchanger 7 changes running water outlet and enters into preheating water tank 8, bathroom sewage after heat exchange changes by the plate of plate type heat exchanger 7 evaporimeter that outlet of sewer enters into source pump 10, heat is transmitted to the working medium C22 of source pump in evaporimeter, the running water after preheating in preheating water tank 8 is pumped in the condenser of source pump 10 by hot water circulating pump 9, the working medium C22 of source pump 10 is further delivered to bathroom with in running water by heat, bathroom is elevated to 45 ℃ of left and right by running water temperature, the bathroom of 45 ℃ enters hot water storage tank 11 with running water and uses for bathroom.The condenser of source pump 10 can drop to the temperature of chilled water 7 ℃ of left and right, by kind of refrigeration cycle pump 12, the freezing water of 7 ℃ of left and right is pumped into cold-storage water tank 13, in order to guest room air-conditioning, uses.
The clean cycle pump 5 of the steam clean unit of the present embodiment pumps into the running water cleaning in water tank 4 in steam generator, by steam generator, plate type heat exchanger 7 is cleaned; After cleaning, steam cleaner assembling and dismantling can be unloaded, for the cleaning of the device unit 14 of each unit of the present embodiment sewage source heat pump system.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a source of sewage straight-line heat pump, comprises source pump (10), and described source pump (10) comprises compressor, evaporimeter, condenser, expansion valve and cold-producing medium, it is characterized in that, also comprises straight-line preheating unit,
Described straight-line preheating unit comprises plate type heat exchanger (7), preheating water tank (8) and hot water circulating pump (9),
Described plate type heat exchanger comprises that plate, plate change that sewage inlet, plate change outlet of sewer, plate changes running water entrance and plate changes running water outlet,
Described plate changes outlet of sewer and is connected with described evaporimeter, and described plate changes running water outlet and is connected with described preheating water tank (8), and described preheating water tank (8) is connected with described condenser by described hot water circulating pump (9).
2. a kind of source of sewage straight-line heat pump according to claim 1, it is characterized in that, also comprise sewage pretreatment unit, described sewage pretreatment unit comprises foul water tank (1), sewage pump (2) and sand filter (3), described foul water tank (1) is connected with described sand filter (3) by described sewage pump (2), and described sand filter (3) changes sewage inlet with described plate and is connected.
3. a kind of source of sewage straight-line heat pump according to claim 2, is characterized in that, described sand filter (3) outer wall is stainless steel, and inside is provided with filter screen and quartz sand.
4. a kind of source of sewage straight-line heat pump according to claim 2, it is characterized in that, also comprise steam clean unit, described steam clean unit is dismountable structure, be connected with described sewage pretreatment unit, described source pump (10) or described preheating unit, the device unit of each unit (14) is cleaned.
5. a kind of source of sewage straight-line heat pump according to claim 4, it is characterized in that, described steam clean unit comprises cleaning water tank (4), clean cycle pump (5) and steam generator (6), described cleaning water tank (4) is connected with described clean cycle pump (5), described clean cycle pump (5) is connected with described steam generator (6), described steam generator (6) is connected with the device unit (14) of described each unit of sewage source heat pump system, and it is cleaned.
6. according to a kind of source of sewage straight-line heat pump described in any one in claim 1 to 5, it is characterized in that, also comprise hot water storage tank (11), described hot water storage tank (11) is connected with described source pump (10).
7. a kind of source of sewage straight-line heat pump according to claim 6, is characterized in that, also comprises cold-storage unit, and described cold-storage unit is connected with described source pump (10).
8. a kind of source of sewage straight-line heat pump according to claim 7, is characterized in that, described cold-storage unit comprises kind of refrigeration cycle pump (12) and cold-storage water tank (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310451600.5A CN103528265A (en) | 2013-09-27 | 2013-09-27 | Sewage source directly-draining type heat pump system |
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| CN201310451600.5A CN103528265A (en) | 2013-09-27 | 2013-09-27 | Sewage source directly-draining type heat pump system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042933A (en) * | 2015-07-27 | 2015-11-11 | 南通昊友食品添加剂有限公司 | Recovery device for waste heat of waste water |
| CN106958941A (en) * | 2017-04-20 | 2017-07-18 | 山西文龙中美环能科技股份有限公司 | A kind of integrated thermal based on technology of Internet of things reclaims sewage source heat pump unit |
| CN111721153A (en) * | 2020-06-28 | 2020-09-29 | 沈阳楚峡能源科技有限公司 | Waste water waste heat recovery system, preheating heat exchanger automatic decontamination device and automatic decontamination method |
| CN111947217A (en) * | 2020-07-27 | 2020-11-17 | 万江新能源集团有限公司 | Centrifugal heat pump coupling efficient utilization system utilizing sewage source |
| CN112665218A (en) * | 2020-12-24 | 2021-04-16 | 江南大学 | Energy-saving bathroom waste heat recovery system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106958941A (en) * | 2017-04-20 | 2017-07-18 | 山西文龙中美环能科技股份有限公司 | A kind of integrated thermal based on technology of Internet of things reclaims sewage source heat pump unit |
| CN111721153A (en) * | 2020-06-28 | 2020-09-29 | 沈阳楚峡能源科技有限公司 | Waste water waste heat recovery system, preheating heat exchanger automatic decontamination device and automatic decontamination method |
| CN111947217A (en) * | 2020-07-27 | 2020-11-17 | 万江新能源集团有限公司 | Centrifugal heat pump coupling efficient utilization system utilizing sewage source |
| CN112665218A (en) * | 2020-12-24 | 2021-04-16 | 江南大学 | Energy-saving bathroom waste heat recovery system |
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Application publication date: 20140122 |