CN105222340A - The heat pump hot-water system of shunting strengthening backheat - Google Patents
The heat pump hot-water system of shunting strengthening backheat Download PDFInfo
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- CN105222340A CN105222340A CN201510737155.8A CN201510737155A CN105222340A CN 105222340 A CN105222340 A CN 105222340A CN 201510737155 A CN201510737155 A CN 201510737155A CN 105222340 A CN105222340 A CN 105222340A
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- heat pump
- water inlet
- inlet stream
- evaporimeter
- condenser
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Abstract
The invention discloses the heat pump hot-water system of shunting strengthening backheat, comprise the first heat pump assembly, second heat pump assembly, for the firing equipment of flow heated water, first water inlet stream and the second water inlet stream, first heat pump assembly comprises the first compressor of composition closed circuit, first condenser, first throttle device and the first evaporimeter, second heat pump assembly comprises the second compressor of composition closed circuit, second condenser, second throttling arrangement and the second evaporimeter, first water inlet stream is by the first condenser and the second evaporimeter, second water inlet stream is by the first evaporimeter, firing equipment and the second condenser, firing equipment is arranged between the first evaporimeter and the second condenser, second water inlet stream is provided with apparatus for ultraviolet disinfection between the first evaporimeter and the second condenser.This structure enhances the endothermic effect of the second water inlet stream greatly, and refrigerant does not enter in firing equipment simultaneously, and structure is simple, and production cost is low, greatly reduces installation difficulty and maintenance rate.
Description
Technical field
The present invention relates to hot-water heating system, particularly the heat pump hot-water system of shunting strengthening backheat.
Background technology
The wastewater temperature produced when people have a bath with hot water in bathroom is high, with a large amount of heat energy, in order to make full use of the heat energy of this part, there has been proposed the Teat pump boiler of two-stage shower Waste Heat Recovery, as, the Chinese patent that the patent No. is " ZL201320753365.2 " discloses a kind of bathroom waste heat recovery heat pump hot-water heating system, this structure utilizes two-stage heat exchange and cold water heat exchange and refrigerant heat exchange to absorb the heat in waste water, discharge after waste water heat release cooling, first waste water and running water carry out heat exchange, realize first order heat exchange, then waste water residual heat is absorbed by refrigerant more further, for heating the current after first order heat exchange, current are heated up and becomes hot water, auxiliary heater heats further to hot water where necessary, to reach the leaving water temperature that user wants.This structure utilizes two-stage heat-exchange method to add the recovering effect of waste water residual heat preferably, auxiliary heating too increases the applicability of product, but the on-the-spot bad adaptability of two-stage heat exchange exactly, constrain its large area popularization and application, reason is that waste heat recoverer is built-in with two kinds of pipelines (cold water pipe and refrigerant pipe), manufacturing cost is high, and installation difficulty is large, and dismounting and carrying easily cause coolant leakage.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides the heat pump hot-water system of shunting strengthening backheat, its structure is simple, and production cost is low, and mounting or dismounting are convenient, meet execute-in-place and application.
The technical solution adopted for the present invention to solve the technical problems is:
The heat pump hot-water system of shunting strengthening backheat, comprise the first heat pump assembly, second heat pump assembly, for the firing equipment of flow heated water, first water inlet stream and the second water inlet stream, described first heat pump assembly comprises the first compressor of composition closed circuit, first condenser, first throttle device and the first evaporimeter, described second heat pump assembly comprises the second compressor of composition closed circuit, second condenser, second throttling arrangement and the second evaporimeter, first water inlet stream is by the first condenser and the second evaporimeter, second water inlet stream is by the first evaporimeter, firing equipment and the second condenser, described firing equipment is arranged between the first evaporimeter and the second condenser, described second water inlet stream is provided with apparatus for ultraviolet disinfection between the first evaporimeter and the second condenser.
As the improvement of technique scheme, described firing equipment is the waste heat exchanger for absorbing used heat.
As the further improvement of technique scheme, described firing equipment is solar thermal collector.
Further, the two ends of described first water inlet stream are connected in series mutually or separate.
The invention has the beneficial effects as follows: heat pump hot-water system of the present invention is provided with two heat pump assemblies and two strands of water inlet streams, the current heat of the second water inlet stream is extracted by the first heat pump assembly, firing equipment is entered again after the current of the second water inlet stream are lowered the temperature, enhance endothermic effect, first heat pump assembly is by the current heat of second of extraction the water inlet stream simultaneously, for heating the current in the first water inlet stream, then by the second heat pump assembly, the heat that current in the first water inlet stream absorb is carried to the current absorbing firing equipment heat, heat utilization rate is high, the current of the second water inlet stream are sterilized by apparatus for ultraviolet disinfection simultaneously, ensure that water safety, and because refrigerant is at two heat pump assembly internal circulation flow, do not enter in firing equipment, structure is simple, production cost is low, greatly reduce installation difficulty and maintenance rate, meet execute-in-place and application.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
With reference to Fig. 1, the heat pump hot-water system of shunting strengthening backheat of the present invention, comprise the first heat pump assembly 1, second heat pump assembly 2, for the firing equipment 3 of flow heated water, first water inlet stream 100 and the second water inlet stream 200, described first heat pump assembly 1 comprises the first compressor 11 of composition closed circuit, first condenser 12, first throttle device 13 and the first evaporimeter 14, described second heat pump assembly 2 comprises the second compressor 21 of composition closed circuit, second condenser 22, second throttling arrangement 23 and the second evaporimeter 24, first water inlet stream 100 is by the first condenser 12 and the second evaporimeter 24, second water inlet stream 200 is by the first evaporimeter 14, firing equipment 3 and the second condenser 22, described firing equipment 3 is arranged between the first evaporimeter 14 and the second condenser 22.In order to ensure that the second water inlet stream 200 exports the safety in utilization of current, described second water inlet stream 200 is provided with apparatus for ultraviolet disinfection 4 between the first evaporimeter 14 and the second condenser 22, at this, described apparatus for ultraviolet disinfection 4 can be use the ultraviolet sterilizing equipment decontaminating apparatus of solar energy, or uses artificial ultraviolet sterilizing equipment decontaminating apparatus.
The present invention first extracts after heat becomes cold water stream through the first heat pump assembly 1 due to the current in the second water inlet stream 200, enter again in firing equipment 3 and absorb heat, greatly enhance endothermic effect, first heat pump assembly 1 is by the current heat of second of extraction the water inlet stream 200 simultaneously, for heating the current in the first water inlet stream 100, then by the second heat pump assembly 2, the heat that current in first water inlet stream 100 absorb is carried to the current absorbing firing equipment 3 heat, heat utilization rate is high, the current of the second water inlet stream 200 are sterilized by apparatus for ultraviolet disinfection 4 simultaneously, ensure that water safety, and because refrigerant is at two heat pump assembly internal circulation flow, do not enter in firing equipment 3, structure is simple, production cost is low, greatly reduce installation difficulty and maintenance rate, meet execute-in-place and application.
In the present embodiment, described firing equipment 3 is the waste heat exchanger for absorbing used heat, at this, and the heat energy of used heat can be the heat energy of waste water also can be waste gas.Certainly, described firing equipment 3 can also be solar thermal collector, as flat or tubular type.When firing equipment is solar thermal collector, described second water inlet stream 200 arranges stop valve at solar thermal collector rear, to control the current intermittent flow in the second water inlet stream 200, control current absorption solar heat by the keying of control stop valve and reach preset temperature.
In the present embodiment, the output of the first water inlet stream 100 separately, can be drawn and use or directly discharge, certainly by the two ends of described first water inlet stream 100, also the two ends serial connection of the first water inlet stream 100 is formed closed circuit, avoid water resource utility model.
Causing liquid hammer to prevent the refrigerant that cannot vaporize completely from being absorbed the first compressor 11, between described first compressor 11 and the first evaporimeter 14, being provided with the first reservoir 15 for gas-liquid separation.Similarly, causing liquid hammer to prevent the refrigerant that cannot vaporize completely from being absorbed the second compressor 21, between described second compressor 21 and the second evaporimeter 24, being provided with the second reservoir 25 for gas-liquid separation.
Certainly, the present invention, except above-mentioned embodiment, can also have other structural distortion, and these equivalent technical solutions also should within its protection domain.
Claims (4)
1. the heat pump hot-water system of shunting strengthening backheat, it is characterized in that: comprise the first heat pump assembly, second heat pump assembly, for the firing equipment of flow heated water, first water inlet stream and the second water inlet stream, described first heat pump assembly comprises the first compressor of composition closed circuit, first condenser, first throttle device and the first evaporimeter, described second heat pump assembly comprises the second compressor of composition closed circuit, second condenser, second throttling arrangement and the second evaporimeter, first water inlet stream is by the first condenser and the second evaporimeter, second water inlet stream is by the first evaporimeter, firing equipment and the second condenser, described firing equipment is arranged between the first evaporimeter and the second condenser, described second water inlet stream is provided with apparatus for ultraviolet disinfection between the first evaporimeter and the second condenser.
2. the heat pump hot-water system of shunting strengthening backheat according to claim 1, is characterized in that: described firing equipment is the waste heat exchanger for absorbing used heat.
3. the heat pump hot-water system of shunting strengthening backheat according to claim 1, is characterized in that: described firing equipment is solar thermal collector.
4. the heat pump hot-water system of shunting strengthening backheat according to claim 1, is characterized in that: the two ends of described first water inlet stream are connected in series mutually or separate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737155.8A CN105222340B (en) | 2015-10-30 | 2015-10-30 | Shunting strengthens the heat pump hot-water system of backheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737155.8A CN105222340B (en) | 2015-10-30 | 2015-10-30 | Shunting strengthens the heat pump hot-water system of backheat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105222340A true CN105222340A (en) | 2016-01-06 |
| CN105222340B CN105222340B (en) | 2017-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510737155.8A Active CN105222340B (en) | 2015-10-30 | 2015-10-30 | Shunting strengthens the heat pump hot-water system of backheat |
Country Status (1)
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| CN (1) | CN105222340B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001115805A (en) * | 1999-10-18 | 2001-04-24 | Mitsubishi Kakoki Kaisha Ltd | Power generator utilizing temperature of sewage treatment water |
| US6860116B2 (en) * | 2002-09-18 | 2005-03-01 | Carrier Corporation | Performance enhancement of vapor compression systems with multiple circuits |
| CN200989660Y (en) * | 2006-12-01 | 2007-12-12 | 喻新程 | Immediate heating heat pump energy-saving water heater |
| CN201037719Y (en) * | 2007-05-25 | 2008-03-19 | 清华大学 | Hot-water heat pump set for gradual increasing water temperature |
| GB2458901A (en) * | 2008-03-31 | 2009-10-07 | Powrmatic Ltd | Heat pump system with first and second compressors |
| CN101701534A (en) * | 2009-11-25 | 2010-05-05 | 天津大学 | Heat and power cogeneration system by utilizing middle-low enthalpy energy |
| CN201852359U (en) * | 2010-10-16 | 2011-06-01 | 湖北东橙新能源科技有限公司 | Two-stage series heat pump unit |
| KR101176571B1 (en) * | 2010-03-31 | 2012-08-23 | (주)그린센추리 | Hot water generating system using 2 step heat pump cycles |
-
2015
- 2015-10-30 CN CN201510737155.8A patent/CN105222340B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001115805A (en) * | 1999-10-18 | 2001-04-24 | Mitsubishi Kakoki Kaisha Ltd | Power generator utilizing temperature of sewage treatment water |
| US6860116B2 (en) * | 2002-09-18 | 2005-03-01 | Carrier Corporation | Performance enhancement of vapor compression systems with multiple circuits |
| CN200989660Y (en) * | 2006-12-01 | 2007-12-12 | 喻新程 | Immediate heating heat pump energy-saving water heater |
| CN201037719Y (en) * | 2007-05-25 | 2008-03-19 | 清华大学 | Hot-water heat pump set for gradual increasing water temperature |
| GB2458901A (en) * | 2008-03-31 | 2009-10-07 | Powrmatic Ltd | Heat pump system with first and second compressors |
| CN101701534A (en) * | 2009-11-25 | 2010-05-05 | 天津大学 | Heat and power cogeneration system by utilizing middle-low enthalpy energy |
| KR101176571B1 (en) * | 2010-03-31 | 2012-08-23 | (주)그린센추리 | Hot water generating system using 2 step heat pump cycles |
| CN201852359U (en) * | 2010-10-16 | 2011-06-01 | 湖北东橙新能源科技有限公司 | Two-stage series heat pump unit |
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| Publication number | Publication date |
|---|---|
| CN105222340B (en) | 2017-07-11 |
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Address after: No. 230, Huangge section, south highway, Huangge Town, Nansha District, Guangzhou, Guangdong 511400 Patentee after: Guangzhou Runda Environmental Protection Technology Co., Ltd Address before: 529000 Guangdong province Jiangmen city Pengjiang District ChaoLian Road No. 6 College Students in Jiangmen City Business Incubator Building 506 room 5 Patentee before: JIANGMEN DANENG ENVIRONMENTAL PROTECTION ENERGY SAVING TECHNOLOGY Co.,Ltd. |
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