CN202229473U - Waste water heat recovery device - Google Patents
Waste water heat recovery device Download PDFInfo
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- CN202229473U CN202229473U CN 201120347020 CN201120347020U CN202229473U CN 202229473 U CN202229473 U CN 202229473U CN 201120347020 CN201120347020 CN 201120347020 CN 201120347020 U CN201120347020 U CN 201120347020U CN 202229473 U CN202229473 U CN 202229473U
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- recovery device
- heat recovery
- waste heat
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Abstract
A waste water heat recovery device is connected to a waste water discharge pipe, and includes a cleaning filter, a waste heat recovery device, a booster pump, a compressor and a water tank, wherein the cleaning filter is communicated with the waste water discharge pipe; waste water and a refrigerant circulate in the waste heat recovery device, and the waste heat recovery device is communicated with a pipeline of the cleaning filter; the booster pump is arranged between the cleaning filter and the waste heat recovery device; the refrigerant circulates between the compressor and the waste heat recovery device; and a condenser coil pipe is arranged in the water tank, one end of the condenser coil pipe is communicated with the compressor, and the other end of the condenser coil pipe is communicated with the waste heat recovery device. In conclusion, compared with the prior art, the waste water heat recovery device is more energy-saving, has simple structure and wide application range, is safe and convenient to use, is more superior to the air source hot water machine set as the heat efficiency is not influenced by seasons and the energy efficiency ratio reaches more than 4.5, and can be widely used in families.
Description
Technical field
The utility model relates to a kind of energy-saving equipment, relates in particular to a kind of wastewater heat recovery device.
Background technology
At present, building energy consumption accounts for about 40% of total energy consumption, and wherein the air conditioning and heating energy consumption accounts for about 50%, and energy consumption is very surprising.Wherein the family expenses domestic hot-water generally adopts electrical heating or combustion gas heating, and efficient is lower, and particularly the gas heater thermal efficiency generally has only 70%.At present air source hot pump water heater is considered to the most energy-conservation water heater, and efficiency generally can reach 2.5-3, but when winter, weather was colder; Outdoor air is below 5 ℃ the time; Often have the situation that heats water shortage, unit often is in the defrost state, and effect is relatively poor; Efficiency also significantly reduces, and generally has only 2.
And in the winter time, indoor temperature of outgoing air is generally at 12 ℃-18 ℃, and so the air of high-temperature is wasted, and directly is discharged into outdoorly, causes the room conditioning energy consumption to strengthen.If, can heat fully be extracted, promptly when temperature of outgoing air is 15 ℃ through the waste heat recovery type heat pump; Through behind the heat regenerator, outlet temperature can be reduced to 0 ℃-4 ℃, so just can absorb the great amount of heat energy in the air draft; The other end of heat pump can produce 55 ℃ hot water confession user use again, and this kind heat recovery system is because the heat pump that adopts; And the heat source water temperature is high; The unit efficiency is generally more than 3.5, and promptly 1 part of electric energy can obtain 3.5 parts of heat energy, and efficient is apparently higher than gas heater, electric heater and normal air source water heater.
The utility model content
The technical problem that the utility model will solve is that a kind of waste heat recovery plant efficient, energy-conservation, simple in structure is provided.
For addressing the above problem, the utility model provides a kind of wastewater heat recovery device, is connected in wastewater discharge pipe, comprising:
Filter rinsed is communicated with said wastewater discharge pipe;
Waste heat recoverer, its internal circulation waste water and cold-producing medium communicate with said filter rinsed pipeline;
Booster pump is arranged between said filter rinsed and the waste heat recoverer;
Compressor, and the said cold-producing medium of circulation between the said waste heat recoverer;
Water tank, its set inside condenser coil, said condenser coil one end is communicated with said compressor, and the other end is communicated with said waste heat recoverer.
Further, said waste heat recoverer comprises copper alloy tube and the coaxial peripheral steel pipe of said copper alloy tube that is sheathed on, the said waste water of circulation in the said copper alloy tube, the said cold-producing medium of circulation between said steel pipe and the copper alloy tube.
Further, said cold-producing medium is a freon.
Further, be provided with gas-liquid separator between said waste heat recoverer and the said compressor, the said cold-producing medium said gas-liquid separator of flowing through.
Further, also be provided with low tension switch between said gas-liquid separator and the said compressor.
Further, between said condenser coil and said waste heat recoverer, be provided with heating power expansion valve.
Further, between said heating power expansion valve and said waste heat recoverer, also be provided with the cold-producing medium filter.
Further, also be provided with temperature sensing device between said waste heat recoverer and the said compressor, said temperature sensing device can be controlled the unlatching size of said heating power expansion valve.
Further, also be provided with stop valve between said compressor and the said condenser coil.
Further, also be provided with high-voltage switch gear between said compressor and the said condenser coil.
In sum, the utility model wastewater heat recovery device is compared with prior art, and is more energy-conservation, simple in structure, safe and convenient to use, applied widely; The thermal efficiency does not receive seasonal effect; Energy Efficiency Ratio can reach more than 4.5, considerably beyond the air source water heater group, can be widely used in family.
Description of drawings
Fig. 1 is the structural representation of wastewater heat recovery device described in the utility model one embodiment.
Fig. 2 is a wastewater heat recovery device workflow sketch map among the utility model one embodiment.
The specific embodiment
For the content that makes the utility model is clear more understandable,, the content of the utility model is described further below in conjunction with Figure of description.Certainly the utility model is not limited to this specific embodiment, and the general replacement that those skilled in the art knew also is encompassed in the protection domain of the utility model.
Secondly, the utility model utilizes sketch map to carry out detailed statement, and when the utility model instance was detailed, for the ease of explanation, sketch map did not amplify according to general ratio is local, should be with this as the qualification to the utility model.
Wastewater heat recovery device described in the utility model receives the hot waste water of the daily discharging of family, utilizes filter rinsed that waste water is filtered; Foreign material hair in the waste water is pressurized pump and is evacuated in the waste heat recoverer through after filtering, and said waste heat recoverer adopts double-tube heat exchanger; Interior pipe circulation sewage; Ring pipe circulation cold-producing medium, the waste water of moderate temperature (for example 12 ℃-35 ℃) is through behind the waste heat recoverer, and the thermal refrigerating agent absorbs.Select the lower cold-producing medium (for example freon) of boiling point, in waste heat recoverer, absorb the back gasification, the machine that is compressed sucks and compression; Cold-producing medium becomes the gas of HTHP, gets into condenser coil, and condenser coil is installed in the water tank; Heat is transmitted in the running water of water tank; Running water is heated, and gets back to waste heat recoverer after cold-producing medium is cooled simultaneously and absorbs used heat once more, so reciprocation cycle.Running water gets into water tank from water inlet, through reaching 50 ℃-60 ℃ after the heating, flows out from delivery port, thereby realizes the used heat utilization.
Fig. 1 is the structural representation of wastewater heat recovery device described in the utility model one embodiment, and is as shown in Figure 1, and said wastewater heat recovery device is connected in wastewater discharge pipe 101, comprising:
Filter rinsed 100 is communicated with said wastewater discharge pipe 101;
Waste heat recoverer 300, its internal circulation waste water and cold-producing medium communicate with said filter rinsed 100 pipelines; Wherein, said waste heat recoverer 300 comprises copper alloy tube and the coaxial peripheral steel pipe of said copper alloy tube that is sheathed on, the said waste water of circulation in the said copper alloy tube, the said cold-producing medium of circulation between said steel pipe and the copper alloy tube.As shown in Figure 1, said waste water gets into waste heat recoverer 300 and flows out from wastewater outlet 301, and said refrigeration machine flows out from another outlet.
Booster pump 200 is arranged between said filter rinsed 200 and the waste heat recoverer 300;
Compressor 400, and the said cold-producing medium of circulation between the said waste heat recoverer 300; Originally be among the embodiment, said cold-producing medium is a freon, and other are easy to the lower cold-producing medium of boiling point also in the thought range of the utility model in addition.
Water tank 600, its set inside condenser coil 500, said condenser coil 500 1 ends are communicated with said compressor 400, and the other end is communicated with said waste heat recoverer 300.
Further, said wastewater heat recovery device also comprises with lower device, gas-liquid separator 1000, low tension switch 1100, high-voltage switch gear 1200, heating power expansion valve 800, cold-producing medium filter 700, temperature sensing device 1300, stop valve 900.Said gas-liquid separator 1000 is arranged between said waste heat recoverer 300 and the said compressor 400, the said cold-producing medium said gas-liquid separator 1000 of flowing through.Low tension switch 1100 is arranged between said gas-liquid separator 1000 and the said compressor 400.Heating power expansion valve 800 is arranged between said condenser coil 500 and the said waste heat recoverer 300.Cold-producing medium filter 700 is arranged between said heating power expansion valve 800 and the said waste heat recoverer 300.Also be provided with temperature sensing device 1300 between said waste heat recoverer 300 and the said compressor 400; In the present embodiment; Said temperature sensing device 1300 is arranged between said waste heat recoverer 300 and the said cold-producing medium filter 700; Said temperature sensing device 1300 can be controlled the unlatching size of said heating power expansion valve 800 according to the temperature of cold-producing medium, and temperature sensing device 1300 contains inert gas, according to the expand with heat and contract with cold unlatching size of control heating power expansion valve 800 of temperature in the pipeline.If refrigerant temperature is crossed the unlatching size that reduces heating power expansion valve 800 when hanging down; Said device internal refrigeration storage agent flowing velocity is slowed down; Otherwise if the unlatching of the too high increase heating power expansion valve 800 of refrigerant temperature size makes mobile the speeding up of said device internal refrigeration storage agent.Also be provided with stop valve 900 between said compressor 400 and the said condenser coil 500.Also be provided with high-voltage switch gear 1200 between said compressor 400 and the said condenser coil 500.
Fig. 2 is a wastewater heat recovery device workflow sketch map among the utility model one embodiment, please combine Fig. 1 and Fig. 2, and the course of work of said wastewater heat recovery device is:
S01: waste water gets into filter rinsed 100 and filters; To remove foreign material hair in the waste water, prevent to stop up the follow up device operation, waste water gets into filter rinsed 100, and the impurity in the waste water is through discharging in the impurity floss hole 103.
S02: waste water gets into waste heat recoverer, and waste water and cold-producing medium carry out thermal energy exchange; Waste water after booster pump 200 will filter is depressed in the waste heat recoverer 300, in said copper alloy tube, flows, and the cold-producing medium in the waste heat recoverer 300 is at copper alloy tube and be sheathed in the annular space between the steel pipe outside the copper alloy mobile; Thereby waste water and cold-producing medium carry out heat exchange, and the temperature of life thermal wastewater is usually at 10 ℃～40 ℃, and then cold-producing medium absorbs the heat energy of waste water; Said in the present embodiment cold-producing medium is a freon; Boiling point is extremely low, is heated to be easy to gasification, gasifies behind the absorption waste water heat energy.
S03: cold-producing medium gets into compressor 400 compressions; The most of gasification of refrigeration machine after being heated; Get into before the compressor; Refrigeration machine is introduced into the cold-producing medium that gas-liquid separator 1000 separates the gasification of not being heated; The cold-producing medium of all the other gasifications gets into compressor 400 compressions, and compressor 400 is with the cold-producing medium of the steam-type of cold-producing medium boil down to HTHP, and the temperature that flows out the steam-type cold-producing medium of compressor 400 in the present embodiment can reach more than 80 ℃.Wherein, the low tension switch 1100 that also is provided with between gas-liquid separator 1000 and the compressor 400 is closed when hypotony, is provided with high-voltage switch gear 1200 between compressor 400 and the condenser coil 500, when hypertonia, closes.Between compressor 400 and condenser coil 900, also be provided with stop valve 900; Said particularly stop valve 900 is arranged between said high-voltage switch gear 1200 and the said condenser coil 500; Stop valve 900 is closed when system works is undesired, and is normal with the protection system internal pressure.
S04: cold-producing medium gets into condenser coil 500, carries out heat exchange with running water in the water tank 600; Running water gets into the water tank from water tank 600 water inlets 601, flows out from water tank 600 delivery ports 603 after cold-producing medium is heated to 40 ℃ to 80 ℃ with running water, and this moment, the refrigerant cools of HTHP was the liquid refrigerant of middle temperature high pressure.
S05: back flow of refrigerant to waste liquid recover 300; The cold-producing medium heating power expansion valve 800 of at first flowing through; In the liquid refrigerant of warm high pressure become through heating power expansion valve 800 in the liquid refrigerant of warm low pressure; Cold-producing medium passes through refrigerator filter 700 again, to be back to waste liquid recover 300 behind impurity in the removal cold-producing medium and the moisture.
Above-mentioned steps recycles, and constantly the energy absorption of the waste water of heat, transfers in the boiler, produces the domestic hot-water about 55 ℃, can be recycled.In addition, the temperature of the cold-producing medium that temperature sensing device 1300 flows out is set between waste heat recoverer and compressor from waste heat recoverer, according to the unlatching size of the temperature control heating power expansion valve 800 of cold-producing medium.
In sum, the utility model wastewater heat recovery device is compared with prior art, and is more energy-conservation, simple in structure, safe and convenient to use, applied widely; The thermal efficiency does not receive seasonal effect; Energy Efficiency Ratio can reach more than 4.5, considerably beyond the air source water heater group, can be widely used in family.
Though the utility model discloses as above with preferred embodiment; Right its is not in order to limit the utility model; Has common knowledge the knowledgeable in the technical field under any; In spirit that does not break away from the utility model and scope, when can doing a little change and retouching, so the protection domain of the utility model is as the criterion when looking claims person of defining.
Claims (10)
1. a wastewater heat recovery device is connected in wastewater discharge pipe, it is characterized in that, comprising:
Filter rinsed is communicated with said wastewater discharge pipe;
Waste heat recoverer, its internal circulation waste water and cold-producing medium communicate with said filter rinsed pipeline;
Booster pump is arranged between said filter rinsed and the waste heat recoverer;
Compressor, and the said cold-producing medium of circulation between the said waste heat recoverer;
Water tank, its set inside condenser coil, said condenser coil one end is communicated with said compressor, and the other end is communicated with said waste heat recoverer.
2. wastewater heat recovery device as claimed in claim 1; It is characterized in that; Said waste heat recoverer comprises copper alloy tube and the coaxial peripheral steel pipe of said copper alloy tube that is sheathed on, the said waste water of circulation in the said copper alloy tube, the said cold-producing medium of circulation between said steel pipe and the copper alloy tube.
3. according to claim 1 or claim 2 wastewater heat recovery device is characterized in that said cold-producing medium is a freon.
4. wastewater heat recovery device as claimed in claim 1 is characterized in that, is provided with gas-liquid separator between said waste heat recoverer and the said compressor, the said cold-producing medium said gas-liquid separator of flowing through.
5. wastewater heat recovery device as claimed in claim 4 is characterized in that, also is provided with low tension switch between said gas-liquid separator and the said compressor.
6. wastewater heat recovery device as claimed in claim 1 is characterized in that, between said condenser coil and said waste heat recoverer, is provided with heating power expansion valve.
7. wastewater heat recovery device as claimed in claim 6 is characterized in that, between said heating power expansion valve and said waste heat recoverer, also is provided with the cold-producing medium filter.
8. wastewater heat recovery device as claimed in claim 6 is characterized in that, also is provided with temperature sensing device between said waste heat recoverer and the said compressor, and said temperature sensing device can be controlled the unlatching size of said heating power expansion valve.
9. wastewater heat recovery device as claimed in claim 1 is characterized in that, also is provided with stop valve between said compressor and the said condenser coil.
10. wastewater heat recovery device as claimed in claim 1 is characterized in that, also is provided with high-voltage switch gear between said compressor and the said condenser coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120347020 CN202229473U (en) | 2011-09-15 | 2011-09-15 | Waste water heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120347020 CN202229473U (en) | 2011-09-15 | 2011-09-15 | Waste water heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202229473U true CN202229473U (en) | 2012-05-23 |
Family
ID=46080058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120347020 Expired - Fee Related CN202229473U (en) | 2011-09-15 | 2011-09-15 | Waste water heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202229473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623215A (en) * | 2016-11-22 | 2017-05-10 | 广东新球清洗科技股份有限公司 | Energy-saving recycling method of hydrocarbon cleaning agent and hydrocarbon cleaning equipment |
-
2011
- 2011-09-15 CN CN 201120347020 patent/CN202229473U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623215A (en) * | 2016-11-22 | 2017-05-10 | 广东新球清洗科技股份有限公司 | Energy-saving recycling method of hydrocarbon cleaning agent and hydrocarbon cleaning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20140915 |
|
| EXPY | Termination of patent right or utility model |