CN201748702U - Refrigerator byproduct hot water system with part compensated cold sources and heat sources - Google Patents
Refrigerator byproduct hot water system with part compensated cold sources and heat sources Download PDFInfo
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- CN201748702U CN201748702U CN2009202976910U CN200920297691U CN201748702U CN 201748702 U CN201748702 U CN 201748702U CN 2009202976910 U CN2009202976910 U CN 2009202976910U CN 200920297691 U CN200920297691 U CN 200920297691U CN 201748702 U CN201748702 U CN 201748702U
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Abstract
The utility model discloses a refrigerator byproduct hot water system with part compensated cold sources and heat sources. A heat pump unit is serially connected between the traditional refrigerating unit and a cooling tower; a heat dissipating pipeline is arranged between a condenser of the refrigerating unit (a condenser and an absorber form a lithium bromide refrigerating unit) and an evaporator of the heat pump unit; a cooling pipeline is arranged at the outlet of the evaporator of the heat pump unit and provided with a circulating pump; a primary cooling pipeline is arranged between the circulating pump and the condenser of the refrigerating unit (a condenser and an absorber form a lithium bromide refrigerating unit), and a secondary cooling pipeline is arranged between the circulating pump and the cooling tower; a backflow cold water pipe is arranged between the cooling tower and the condenser of the refrigerating unit (a condenser and an absorber form a lithium bromide refrigerating unit); and the primary cooling pipeline and the secondary cooling pipeline are respectively provided with an automatic control valve. Therefore, the working load of the cooling tower is reduced, part of the byproduct heat of the refrigerating unit is recycled, and industrial hot water or domestic hot water can be produced synchronously.
Description
Technical field
The utility model relates to the refrigeration machine by-product hot-water heating system of a kind of part Cooling and Heat Source complementation, and system is made of refrigeration unit, cooling tower, source pump three parts.Specifically be exactly: between refrigeration unit and cooling tower, be connected in series source pump, realize reducing the cooling tower live load, partially recycled refrigeration unit by-product heat, manufacture or life hot water with this.
Background technology
Along with science and technology and expanding economy, air-conditioning and heat pump application are more and more wider, and technology is more and more ripe, but in the middle of the application of market, also have some problems, such as:
(1) air-conditioning is often only considered process of refrigerastion, and the heat that condenser produces will be provided with a cover cooling system heat extraction.Central air-conditioning particularly, often to set up a huge cooling tower supporting with it outdoor, not only has high input, and the occupying volume external space, and operating cost height cause thermal pollution summer, waste water resource etc.
(2) heat pump often only considers to heat process, the not easily collecting utilization of attached refrigeratory capacity.Water resource heat pump is subjected to environmental condition restriction big, and air source heat pump is low and easy frosting in north of china in winter efficient, and in most cases thermal source cost and the cold cost of row are higher, has not only wasted cold but also unfavorable popularization.
(3) existing single-stage refrigeration or heating equipment are as realizing deep refrigerating or heat that its Energy Efficiency Ratio must reduce.
(4) occurred in the market air-conditioning waste heat is reclaimed, directly heat the technology of cold water, but its organic efficiency has been low, fails to realize that energy makes full use of.
According to above-mentioned situation, inventor's design as next new system:
Source pump of serial connection between traditional refrigeration unit and cooling tower, the refrigeration unit condenser (at the lithium bromide refrigerating unit is: condenser+absorber) between the source pump evaporimeter heat extraction pipeline is set, the source pump evaporator outlet is provided with the cooling pipeline, and the cooling pipeline is provided with circulating pump; (at the lithium bromide refrigerating unit be: cooling line is set one time condenser+absorber), and circulating pump is provided with the secondary cooling line to cooling tower to circulating pump to the refrigeration unit condenser; Cooling tower to the refrigeration unit condenser (at the lithium bromide refrigerating unit is: the backflow cool water pipe is set condenser+absorber); On cooling line and secondary cooling line, autocontrol valve is set all.Realize reducing the cooling tower live load with this, partially recycled refrigeration unit by-product heat, the purpose of productive life or industrial hot water.
Known to the applicant, at present also do not have a kind of like this equipment or system on market, to occur and use.
Summary of the invention
Source pump of serial connection between traditional refrigeration unit and cooling tower, the refrigeration unit condenser (at the lithium bromide refrigerating unit is: condenser+absorber) between the source pump evaporimeter heat extraction pipeline is set, the source pump evaporator outlet is provided with the cooling pipeline, and the cooling pipeline is provided with circulating pump; (at the lithium bromide refrigerating unit be: cooling line is set one time condenser+absorber), and circulating pump is provided with the secondary cooling line to cooling tower to circulating pump to the refrigeration unit condenser; Cooling tower to the refrigeration unit condenser (at the lithium bromide refrigerating unit is: the backflow cool water pipe is set condenser+absorber); On cooling line and secondary cooling line, autocontrol valve is set all.
The technical solution of the utility model is as follows:
Source pump of serial connection between traditional refrigeration unit and cooling tower, the refrigeration unit condenser (at the lithium bromide refrigerating unit is: condenser+absorber) between the source pump evaporimeter heat extraction pipeline is set, the source pump evaporator outlet is provided with the cooling pipeline, and the cooling pipeline is provided with circulating pump; (at the lithium bromide refrigerating unit be: cooling line is set one time condenser+absorber), and circulating pump is provided with the secondary cooling line to cooling tower to circulating pump to the refrigeration unit condenser; Cooling tower to the refrigeration unit condenser (at the lithium bromide refrigerating unit is: the backflow cool water pipe is set condenser+absorber); On cooling line and secondary cooling line, autocontrol valve is set all.
The utility model feature is that source pump is provided with iversion controller, and refrigeration unit also is provided with iversion controller, and switch control input ends such as iversion controller, autocontrol valve and circulating pump all link with the system controller output.
The utility model feature is used agent, the cold-producing medium of heating of source pump and refrigeration unit, according to working condition requirement, can be with a kind of preparation, also can be different preparations.
The utility model feature is between capital equipment, can set up conventional accessories such as water tank, pump, pipe fitting, valve.
The beneficial effects of the utility model:
(1), because source pump evaporimeter heat absorption and refrigeration unit condenser (at the lithium bromide refrigerating unit be: the cold and hot complementation of heat release condenser+absorber), so system under energy-conservation prerequisite, realize deep refrigerating and synchronously the degree of depth heat.Heat energy and cold energy can both be utilized effectively.
(2), the compressor operating temperature range is narrow, source pump efficient improves, and heats power consumption and reduces.
(3), with simple heat pump ratio, do not need to rely on environment thermal source condition, system simplification, investment reduces, Energy Efficiency Ratio improves.
(4), as selecting the suitable agent that heats, can realize the work of compressor low-pressure guaranteeing that heat pump heats under the prerequisite of effect, thereby cut down the consumption of energy.
(5), indoorization of equipment working environment part, the operating maintenance expense reduces.The service life of equipment lengthening.
Description of drawings
Fig. 1 is the refrigeration machine by-product hot-water heating system flow chart that cooling tower is in high-order part Cooling and Heat Source complementation.
Fig. 2 is the refrigeration machine by-product hot-water heating system flow chart of the cooling tower part Cooling and Heat Source complementation that is in low level.
Among the figure:
1, refrigeration unit 6, source pump
2, refrigeration unit evaporimeter 7, source pump evaporimeter
3, the refrigeration unit condenser (at the lithium bromide refrigerating unit is: condenser+absorber)
8, source pump condenser
4, middle cold fluid inlet 9, middle hot fluid inlet
5, Cryofluid outlet 10, high heat fluid outlet
11, heat extraction pipeline 12, cooling pipeline
13, cooling line 14, secondary cooling line
15, backflow cool water pipe
16, surge tank 17, cooling tower
18, a subcooling control valve 19, two subcooling control valves
20, circulating pump 21, cold water reflux pump
30, system controller
The specific embodiment
The utility model relates to the refrigeration machine by-product hot-water heating system of a kind of part Cooling and Heat Source complementation, and system is made of refrigeration unit, cooling tower, source pump three parts.Specifically be exactly: source pump of serial connection between traditional refrigeration unit and cooling tower, the refrigeration unit condenser (at the lithium bromide refrigerating unit is: condenser+absorber) between the source pump evaporimeter heat extraction pipeline is set, the source pump evaporator outlet is provided with the cooling pipeline, and the cooling pipeline is provided with surge tank and circulating pump; (at the lithium bromide refrigerating unit be: cooling line is set one time condenser+absorber), and circulating pump is provided with the secondary cooling line to cooling tower to circulating pump to the refrigeration unit condenser; Cooling tower to the refrigeration unit condenser (at the lithium bromide refrigerating unit is: the backflow cool water pipe is set condenser+absorber); On cooling line and secondary cooling line, autocontrol valve is set all.
According to known principle:
Heat agent and in source pump, finish " compression---condensation---throttling---evaporation---compression " and circulate, at condenser heat release production high heat fluid.
Cold-producing medium is finished " compression---condensation---throttling---evaporation---compression " circulation in refrigeration unit, at the evaporimeter production Cryofluid that absorbs heat.(at the lithium bromide refrigerating unit, its finish " take place---condensation---throttling---evaporation---absorptions---takes place " circulation, at evaporimeter heat absorption production Cryofluid.)
(at the lithium bromide refrigerating unit be: condenser+absorber) hot fluid of Chan Shenging enters the source pump evaporimeter by the heat extraction pipeline to the refrigeration unit condenser, supplies with the source pump heat, and self temperature reduces.If hot fluid by the source pump evaporimeter after temperature drop to setting value, then be recirculated directly back to the refrigeration unit condenser and (at the lithium bromide refrigerating unit be: condenser+absorber); If be higher than setting value, then deliver to cooling tower and carry out secondary cooling, return the refrigeration unit condenser then and (at the lithium bromide refrigerating unit be: condenser+absorber).Process realizes by the system controller adjusting control valve.
In the accompanying drawing, described refrigeration unit evaporimeter input " middle cold fluid " can be the new fluid of normal temperature, also can be the circulation of fluid after the heat exchange of part Cryofluid heats up; Source pump condenser input " middle hot fluid " can be the new fluid of normal temperature, also can be the circulation of fluid after the high heat fluid heat exchange cooling.
In the accompanying drawing, described middle cold fluid, Cryofluid, middle hot fluid, high heat fluid etc. can be water, air or other vapour, liquid according to technological requirement.
Below in conjunction with specific embodiment, the specific embodiment of the present utility model is described:
Embodiment 1: the compression cycle refrigeration machine, and cooling tower is in a high position, and cold water is by the refrigeration machine by-product hot-water heating system of the part Cooling and Heat Source complementation of deadweight backflow.See accompanying drawing 1.
In the utility model, to source pump evaporimeter 7 heat extraction pipeline 11 is set from refrigeration unit condenser 3,7 outlets of source pump evaporimeter are provided with cooling pipeline 12, on the cooling pipeline 12 circulating pump 20 are set; Circulating pump 20 is provided with cooling line 13 one time to refrigeration unit condenser 3, and circulating pump 20 is provided with secondary cooling line 14 to cooling tower 17; Cooling tower 17 is provided with backflow cool water pipe 15 to refrigeration unit condenser 3; One subcooling control valve 18 is set on a cooling line 13, two subcooling control valves 19 are set on secondary cooling line 14.
Refrigeration unit 1, source pump 6 and circulating pump 20, a subcooling control valve 18, two subcooling control valves 19 start synchronously by system controller 30.
According to known principle:
The refrigeration unit compressor is with the pressurizes refrigerant of gaseous state and send into refrigeration unit condenser 3.Cold-producing medium is liquefy and heat release in the refrigeration unit condenser coil.Cold-producing medium after the condensation cooling enters refrigeration unit evaporimeter 2 through cold-producing medium storage tank, unit expansion valve, and in evaporation coil carburation by evaporation, to absorb a large amount of heats in the time of vaporization.In cold fluid therefrom cold fluid inlet 4 enter the evaporimeter shell side, be absorbed behind a large amount of heats that Cryofluid is made in cooling and from Cryofluid outlet 5 outputs.Cold-producing medium after the vaporization is inhaled into the refrigeration unit compressor and carries out next kind of refrigeration cycle.
The source pump compressor heats the agent pressurization and sends into source pump condenser 8 gaseous state.Heat agent liquefy and emit heat in the source pump condenser coil.In hot fluid therefrom hot fluid inlet 9 enter source pump condenser 8 shell sides, heated that agent emits that high heat fluid is made in the heat heating and from high heat fluid outlet 10 outputs.The agent that heats after the condensation cooling enters source pump evaporimeter 7 through expansion valve, and in the source pump evaporation coil carburation by evaporation, become gaseous state after the heat absorption.The agent that heats after the vaporization is inhaled into the source pump compressor and carries out the next one and heat circulation.
Source pump 6 and the interior work of refrigeration unit 1 each comfortable different temperature range.Used agent, the cold-producing medium of heating of source pump and refrigeration unit according to working condition requirement, can be with a kind of preparation, also can be different preparations
When system moves, cooling pipeline 12 fluid temperature (F.T.)s are reduced to setting value and are kept constant, the heat of source pump evaporimeter 7 absorptions and the heat balance that refrigeration unit condenser 3 produces are described, this moments two, subcooling control valve 19 closed, one subcooling control valve 18 is opened, and the water after the cooling directly circulates between source pump evaporimeter 7 and refrigeration unit condenser 3 by circulating pump 20; When cooling pipeline 12 fluid temperature (F.T.)s are higher than setting value, illustrate that the heat that source pump evaporimeter 7 absorbs is less than the heat that refrigeration unit condenser 3 produces, this moment, two subcooling control valves 19 were opened, one subcooling control valve 18 closes, water after the cooling is delivered to cooling tower 17 by circulating pump 20 and secondary cooling line 14 and is carried out the secondary cooling, rely on deadweight to return refrigeration unit condenser 3 afterwards, form 3 circulations of unit condenser 3 → source pump evaporimeter 7 → cooling tower 17 → refrigeration unit condenser through backflow cool water pipe 15.
Among Fig. 1, dotted line is represented the control relation of system controller to connecting device.
Embodiment 2: the compression cycle refrigeration machine, and cooling tower is in low level, and cold water is by the refrigeration machine by-product hot-water heating system of the part Cooling and Heat Source complementation of pumping backflow.See accompanying drawing 2.
Refrigeration unit 1, source pump 6 and circulating pump 20, cold water reflux pump 21, a subcooling control valve 18, two subcooling control valves 19 start synchronously by system controller 30.
Refrigeration unit and source pump operation principle are with embodiment 1.
System works principle and control scheme are with embodiment 1.
Different is: set up cold water reflux pump 21 on secondary cooling line 14, on the cooling pipeline 12 surge tank 16 and circulating pump 20 are set.When system moves, when cooling pipeline 12 coolant-temperature gages are higher than setting value, two subcooling control valves 19 are opened, cold water reflux pump 21 starts, one subcooling control valve 18 closes, water after the cooling is delivered to cooling tower 17 by circulating pump 20 and secondary cooling line 14 and is carried out the secondary cooling, relies on cold water reflux pump 21 to send refrigeration unit condenser 3 back to through backflow cool water pipe 15 afterwards, forms 3 circulations of unit condenser 3 → source pump evaporimeter 7 → cooling tower 17 → refrigeration unit condenser.
Among Fig. 2, dotted line is represented the control relation of system controller to connecting device.
Embodiment 3: the refrigeration machine by-product hot-water heating system of the part Cooling and Heat Source complementation that is made of the lithium bromide refrigerating unit.See accompanying drawing 1.
Its system flow, system works control principle, to heat operation principle identical with embodiment 1, and different is that refrigeration unit work and heat production principle have difference.The hot fluid that the lithium bromide refrigerating unit is discharged is to be taken place jointly by condenser and absorber.
Claims (2)
1. the refrigeration machine by-product hot-water heating system of part Cooling and Heat Source complementation, it is characterized in that: source pump of serial connection between traditional refrigeration unit and cooling tower, the refrigeration unit condenser (at the lithium bromide refrigerating unit is: condenser+absorber) between the source pump evaporimeter heat extraction pipeline is set, the source pump evaporator outlet is provided with the cooling pipeline, and the cooling pipeline is provided with surge tank and circulating pump; (at the lithium bromide refrigerating unit be: the cooling line road is set one time condenser+absorber), and circulating pump is provided with the secondary cooling line to cooling tower to circulating pump to the refrigeration unit condenser; Cooling tower to the refrigeration unit condenser (at the lithium bromide refrigerating unit is: the backflow cool water pipe is set condenser+absorber); On cooling line road and secondary cooling line, autocontrol valve is set all.
2. the refrigeration machine by-product hot-water heating system of part Cooling and Heat Source according to claim 1 complementation is characterized in that source pump is provided with iversion controller, refrigeration unit also is provided with iversion controller, and switch control input ends such as iversion controller, autocontrol valve and circulating pump all link with the system controller output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202976910U CN201748702U (en) | 2009-12-16 | 2009-12-16 | Refrigerator byproduct hot water system with part compensated cold sources and heat sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202976910U CN201748702U (en) | 2009-12-16 | 2009-12-16 | Refrigerator byproduct hot water system with part compensated cold sources and heat sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201748702U true CN201748702U (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202976910U Expired - Fee Related CN201748702U (en) | 2009-12-16 | 2009-12-16 | Refrigerator byproduct hot water system with part compensated cold sources and heat sources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201748702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997498A (en) * | 2012-12-26 | 2013-03-27 | 上海中普节能科技有限公司 | Energy-saving cold and heat resource system for producing domestic hot water by using cooling tower |
-
2009
- 2009-12-16 CN CN2009202976910U patent/CN201748702U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997498A (en) * | 2012-12-26 | 2013-03-27 | 上海中普节能科技有限公司 | Energy-saving cold and heat resource system for producing domestic hot water by using cooling tower |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20161216 |