CN103225844B - Enclosed heat-exchange system secondary side water replanishing device - Google Patents
Enclosed heat-exchange system secondary side water replanishing device Download PDFInfo
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- CN103225844B CN103225844B CN201310111888.1A CN201310111888A CN103225844B CN 103225844 B CN103225844 B CN 103225844B CN 201310111888 A CN201310111888 A CN 201310111888A CN 103225844 B CN103225844 B CN 103225844B
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Abstract
The invention discloses enclosed heat-exchange system secondary side water replanishing device, comprise: a heat exchanger, one is communicated with a secondary net feed pipe of heat exchanger, a secondary net return pipe, secondary network feed pipe and secondary network return pipe, a described secondary net return pipe is also communicated with a pre-heat exchanger, secondary network return pipe is also communicated with described pre-heat exchanger by pre-heat pump, water tank is flowed into through pre-heat exchanger pretreated part one secondary net backwater, one water tank, by the part one secondary net backwater that meets the demands by filling pipe connecting secondary net feed pipe.Water in the secondary net that utilization is softening is to secondary network moisturizing, this device had both met the basic function of moisturizing, and internal structure is simple, equipment is compacter, reduces floor space and the usage space of heat exchange station, save initial cost and operating cost, what decrease equipment repeats setting, meanwhile, decreases service equipment and the workload producing demineralized water, water quality test, save manpower, construction and installation and later maintenance are all very convenient.
Description
Technical field
The present invention relates to HVAC and thermal power technical field, the water be specifically related in a kind of enclosed heat-exchange system in a secondary net adds to the water replanishing device in secondary network.
Background technology
As everyone knows, heating system or air-conditioner water system must moisturizings.Code requirement, as long as the system having hot water in winter, moisturizing must carry out sofening treatment.Current, common method for supplementing water has expansion tank moisturizing, small pump moisturizing etc.
Several method for supplementing water all needs to store up salt cellar, demineralized water treatment device, softened water tank etc. above, produces demineralized water through steps such as work, backwash, regeneration, displacement, fast flushings, again moisturizing is carried out to system, its complex structure, regularly need chemically examine water quality, maintenance management inconvenience, floor space is large, and initial cost is large.In General System, the demineralized water of a secondary net and secondary network processes all separately, and especially in the mini-system that use amount is large, producing of demineralized water is very inconvenient.
Summary of the invention
In order to overcome deficiency and the shortcoming of prior art and application, the water that the object of this invention is to provide in a kind of enclosed heat-exchange system in a secondary net adds to the water replanishing device in secondary network, water in the secondary net that utilization is softening is to secondary network moisturizing, this device had both met the basic function of moisturizing, and internal structure is simple, equipment is compacter, reduce floor space and the usage space of heat exchange station, save initial cost and operating cost, what decrease equipment repeats setting, simultaneously, decrease service equipment and produce demineralized water, the workload of water quality test, save manpower, construction and installation and later maintenance are all very convenient.
In order to achieve the above object, the present invention adopts technical scheme to be:
Enclosed heat-exchange system secondary side water replanishing device, comprising:
One heat exchanger,
One is communicated with a secondary net feed pipe of heat exchanger, a secondary net return pipe, secondary network feed pipe and secondary network return pipe,
A described secondary net return pipe is also communicated with a pre-heat exchanger, and secondary network return pipe is also communicated with described pre-heat exchanger by pre-heat pump, flows into water tank through pre-heat exchanger pretreated part one secondary net backwater,
One water tank, by the part one secondary net backwater that meets the demands by filling pipe connecting secondary net feed pipe.
In a preferred embodiment of the invention, set temperature sensor is gone back between described pre-heat exchanger and the pipeline of water tank, the leaving water temperature of the pre-heat exchanger of temperature sensor Real-Time Monitoring, thus regulate the operating frequency of pre-heat pump, make the leaving water temperature of pre-heat exchanger meet system requirements.
In a preferred embodiment of the invention, the pipeline entering water tank also arranges an electronic two regulating valves, the output of temperature sensor connects electronic two regulating valves, the temperature signal of electronic two regulating valves response temperature sensor, thus control the aperture of electronic two regulating valves, make the leaving water temperature entering water tank meet system requirements.
In a preferred embodiment of the invention, described secondary network supply channel arranges secondary network water circulating pump, meets watering cycle.
In a preferred embodiment of the invention, between a described secondary net return pipe and pre-heat exchanger, a pressure-reducing valve is also set, the part backwater of a secondary net is reduced pressure, meets the pressure of system requirements.
In a preferred embodiment of the invention, described water tank is provided with breather valve, overflows, drainpipe, describedly to overflow, drainpipe converge after house steward doublely do water quality test pipe.
In a preferred embodiment of the invention, described filling pipe arranges small pump, realize the moisturizing to secondary network feed pipe.
In a preferred embodiment of the invention, water tank arranges a moisturizing ball valve, for detecting cistern water level, thus controls startup and the closedown of whole water charging system.
The present invention has following characteristics and beneficial effect:
One secondary net is carried out heat exchange for backwater and secondary network for backwater by the heat exchanger that the present invention inside is arranged, and heats (or cooling) the backwater of secondary network, realizes the heat supply (or refrigeration) of user side;
The inner pressure-reducing valve arranged, reduces pressure to the part backwater of a secondary net, meets the pressure of system requirements;
The pre-heat exchanger that the part backwater of one secondary net and the backwater of secondary network are arranged by inside carries out heat exchange, enters water tank, carries out moisturizing to system;
The inner temperature sensor arranged connects electronic two regulating valves and pre-heat pump, and can effectively control the water temperature entering water tank, winter meets less than 60 DEG C.In winter, the water of too high temperature can damage water tank and personnel, and amount of vaporization is large, reduces invalid energy dissipation, simultaneously can the backwater of preheating secondary network, reduces energy consumption.
The inner moisturizing ball valve arranged detects cistern water level, controls startup and the closedown of whole water charging system;
The inner small pump arranged, meets the moisturizing requirement of system.Can refer to the way in winter summer, realize the moisturizing to system.
The present invention both can be widely used in the heating system of moisturizing, also can be used for the cold-heating system of moisturizing.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
See Fig. 1, enclosed heat-exchange system secondary side water replanishing device, comprising: a heat exchanger 3, is communicated with secondary net feed pipe 101, secondary net return pipe 102 of heat exchanger 3, secondary network feed pipe 103 and secondary network return pipe 104,
A described secondary net return pipe 102 is also communicated with a pre-heat exchanger 1, and secondary network return pipe 104 is also communicated with described pre-heat exchanger 1 by pre-heat pump 6, flows into water tank 7 through pre-heat exchanger 1 pretreated part one secondary net backwater,
One water tank 7, by the part one secondary net backwater that meets the demands by filling pipe 10 connecting secondary net feed pipe.
In a preferred embodiment of the invention, set temperature sensor 4 is gone back between described pre-heat exchanger 1 and the pipeline of water tank 7, the leaving water temperature of the pre-heat exchanger 1 of temperature sensor 4 Real-Time Monitoring, thus regulate the operating frequency of pre-heat pump 6, make the leaving water temperature of pre-heat exchanger 1 meet system requirements.
In a preferred embodiment of the invention, the pipeline entering water tank 7 also arranges an electronic two regulating valves 5, the output of temperature sensor 4 connects electronic two regulating valves 5, the temperature signal of electronic two regulating valves 5 response temperature sensor 4, thus control the aperture of electronic two regulating valves 5, make the leaving water temperature entering water tank 7 meet system requirements.
In a preferred embodiment of the invention, described secondary network feed pipe 103 arranges secondary network water circulating pump 9, meets watering cycle.
In a preferred embodiment of the invention, between a described secondary net return pipe 102 and pre-heat exchanger 1, a pressure-reducing valve 2 is also set, the part backwater of a secondary net is reduced pressure, meets the pressure of system requirements.
In a preferred embodiment of the invention, described water tank 7 is provided with breather valve 701, overflows, drainpipe 702, describedly to overflow, drainpipe 702 converge after house steward doublely do water quality test pipe.
In a preferred embodiment of the invention, described filling pipe 10 arranges small pump 8, realizes the moisturizing to secondary network feed pipe 103.
In a preferred embodiment of the invention, water tank 7 arranges a moisturizing ball valve 703, for detecting water tank 7 water level, thus controls startup and the closedown of whole water charging system.
Operation principle of the present invention is:
One secondary net supplies backwater heat exchange in heat exchanger 3 for backwater and secondary network, heats (or cooling) the backwater of secondary network, realizes the heat supply (or refrigeration) of user side.
One time mesh portions backwater is reduced pressure by pressure-reducing valve 2, meets the pressure of system requirements.Cut-in temperature sensor 4 between pre-heat exchanger 1 and electronic two regulating valves 5, is connected the output of temperature sensor 4 with electronic two regulating valves 5 and pre-heat pump 6.
In winter, need meet and enter a secondary net return water temperature in water tank lower than 60 DEG C, it is " T " value that temperature sensor arranges normal temperature.During winter operation, secondary network return water temperature is lower than a secondary net return water temperature, and secondary network backwater carries out pre-heat exchange by pre-heat pump 6 at pre-heat exchanger 1 place and a secondary net backwater, improves water temperature, reduces energy consumption, suitably reduces the capacity of heat exchanger 3 simultaneously, reduces initial cost.
Temperature sensor 4 detects the leaving water temperature of pre-heat exchanger 1, if its temperature value is less than or equal to " T " value, then enters water tank 7; If temperature value is higher than " T " value, first its output signal is delivered to pre-heat pump 6, regulates the frequency of pre-heat pump 6, accelerated service, the leaving water temperature of pre-heat exchanger 1 is met the demands; If leaving water temperature still can not meet the demands, output signal is delivered to electronic two regulating valves 5 again, turns down the aperture of electronic two regulating valves 5, until the temperature entering water in water tank 7 meets the demands, the part one secondary net backwater after finally decompression cooling feeds in water tank 7.
Cistern water level is controlled by ball-cock assembly, mends in secondary network by small pump 8 by the demineralized water in water tank 7, realizes the moisturizing to secondary network system.The air conditioning condition principle in summer is identical with the heating operating mode principle in winter.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. enclosed heat-exchange system secondary side water replanishing device, is characterized in that, comprising:
One heat exchanger,
One is communicated with a secondary net feed pipe of heat exchanger, a secondary net return pipe, secondary network feed pipe and secondary network return pipe,
A described secondary net return pipe is also communicated with a pre-heat exchanger, and secondary network return pipe is also communicated with described pre-heat exchanger by pre-heat pump, flows into water tank through pre-heat exchanger pretreated part one secondary net backwater,
One water tank, by the part one secondary net backwater that meets the demands by filling pipe connecting secondary net feed pipe;
Go back set temperature sensor between described pre-heat exchanger and the pipeline of water tank, the leaving water temperature of the pre-heat exchanger of temperature sensor Real-Time Monitoring, thus regulate the operating frequency of pre-heat pump, make the leaving water temperature of pre-heat exchanger meet system requirements;
The pipeline entering water tank also arranges an electronic two regulating valves, the output of temperature sensor connects electronic two regulating valves, the temperature signal of electronic two regulating valves response temperature sensor, thus control the aperture of electronic two regulating valves, make the leaving water temperature entering water tank meet system requirements.
2. enclosed heat-exchange system secondary side water replanishing device according to claim 1, is characterized in that: described secondary network supply channel arranges secondary network water circulating pump, meets watering cycle.
3. enclosed heat-exchange system secondary side water replanishing device according to claim 1, is characterized in that: also arrange a pressure-reducing valve between a described secondary net return pipe and pre-heat exchanger, reduce pressure, meet the pressure of system requirements to the part backwater of a secondary net.
4. enclosed heat-exchange system secondary side water replanishing device according to claim 1, is characterized in that: described water tank is provided with breather valve, overflows, drainpipe, describedly to overflow, drainpipe converge after house steward doublely do water quality test pipe.
5. enclosed heat-exchange system secondary side water replanishing device according to claim 1, is characterized in that: described filling pipe arranges small pump, realizes the moisturizing to secondary network feed pipe.
6. enclosed heat-exchange system secondary side water replanishing device according to claim 1, is characterized in that: water tank arranges a moisturizing ball valve, for detecting cistern water level, thus controls startup and the closedown of whole water charging system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310111888.1A CN103225844B (en) | 2013-04-02 | 2013-04-02 | Enclosed heat-exchange system secondary side water replanishing device |
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| CN201310111888.1A CN103225844B (en) | 2013-04-02 | 2013-04-02 | Enclosed heat-exchange system secondary side water replanishing device |
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| CN103225844A CN103225844A (en) | 2013-07-31 |
| CN103225844B true CN103225844B (en) | 2015-09-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107588453A (en) * | 2017-10-18 | 2018-01-16 | 烟台华蓝新瑞节能科技有限公司 | A kind of heat supply network balance regulation system |
| CN109323346B (en) * | 2018-09-18 | 2020-06-12 | 中国建筑西北设计研究院有限公司 | Control method of large centralized air conditioning system with distributed cold and heat sources |
| CN109282456B (en) * | 2018-09-18 | 2020-06-12 | 中国建筑西北设计研究院有限公司 | Control method of large centralized air conditioning system capable of performing cooling decentralized control and independent operation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB748595A (en) * | 1951-04-24 | 1956-05-09 | Bruno Prinke | Improvements in and relating to the supply of heat from district-heating systems having a source of heat such as a power station or heating station |
| CN1257181A (en) * | 1999-11-06 | 2000-06-21 | 姜祥 | Method of pressure-differential water supply for heating system |
| CN2716761Y (en) * | 2004-04-02 | 2005-08-10 | 天津力源永春科技发展有限公司 | Intellectualized controller for heat exchanging machine set |
| CN101566365A (en) * | 2008-04-24 | 2009-10-28 | 张明亮 | Intelligent type frequency-conversion and energy-saving heat-exchange equipment |
| CN202630227U (en) * | 2011-12-27 | 2012-12-26 | 孙春艳 | Box type heat exchanging station |
| CN203147896U (en) * | 2013-04-02 | 2013-08-21 | 中国建筑西北设计研究院有限公司 | Secondary side water replenishing device for closed heat exchange system |
-
2013
- 2013-04-02 CN CN201310111888.1A patent/CN103225844B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB748595A (en) * | 1951-04-24 | 1956-05-09 | Bruno Prinke | Improvements in and relating to the supply of heat from district-heating systems having a source of heat such as a power station or heating station |
| CN1257181A (en) * | 1999-11-06 | 2000-06-21 | 姜祥 | Method of pressure-differential water supply for heating system |
| CN2716761Y (en) * | 2004-04-02 | 2005-08-10 | 天津力源永春科技发展有限公司 | Intellectualized controller for heat exchanging machine set |
| CN101566365A (en) * | 2008-04-24 | 2009-10-28 | 张明亮 | Intelligent type frequency-conversion and energy-saving heat-exchange equipment |
| CN202630227U (en) * | 2011-12-27 | 2012-12-26 | 孙春艳 | Box type heat exchanging station |
| CN203147896U (en) * | 2013-04-02 | 2013-08-21 | 中国建筑西北设计研究院有限公司 | Secondary side water replenishing device for closed heat exchange system |
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