CN203147896U - Secondary side water replenishing device for closed heat exchange system - Google Patents

Secondary side water replenishing device for closed heat exchange system Download PDF

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Publication number
CN203147896U
CN203147896U CN 201320158379 CN201320158379U CN203147896U CN 203147896 U CN203147896 U CN 203147896U CN 201320158379 CN201320158379 CN 201320158379 CN 201320158379 U CN201320158379 U CN 201320158379U CN 203147896 U CN203147896 U CN 203147896U
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China
Prior art keywords
water
net
heat exchanger
secondary side
pipe
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Expired - Fee Related
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CN 201320158379
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Chinese (zh)
Inventor
周敏
王敏
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China Northwest Architecture Design and Research Institute Co Ltd
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China Northwest Architecture Design and Research Institute Co Ltd
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Abstract

The utility model discloses a secondary side water replenishing device for a closed heat exchange system. The secondary side water replenishing device comprises a heat exchanger, a primary net water supplying pipe which is communicated with the heat exchanger, a primary net water returning pipe, a secondary net water supplying pipe and a secondary net water returning pipe. The primary net water returning pipe is further communicated with a pre heat exchanger, and the secondary net water returning pipe is also communicated with the pre heat exchanger through a preheating pump. Part of primary net return water preprocessed by the pre heat exchanger flows into a water tank which can enable part of the primary net return water meeting requirements to be connected with the secondary net water supplying pipe through a water replenishing pipe. Water which is softened in a primary net is replenished for a secondary net. The secondary side water replenishing device for the closed heat exchange system satisfies the basic function of water replenishing, the internal structure is simple, the device is more compact, the occupied area and the used space of a heat exchange station are reduced, initial cost and operating cost are saved, the repeated arrangement of the device is reduced, meanwhile, maintenance equipment is made to be little, the workloads for softened water making and water quality testing are reduced, manual labor is saved, and both construction mounting and late maintenance are very convenient.

Description

Enclosed heat-exchange system secondary side water replanishing device
Technical field
The utility model relates to HVAC and thermal power technical field, and the water in being specifically related to once net in a kind of enclosed heat-exchange system adds to the water replanishing device in the secondary net.
Background technology
As everyone knows, heating system or air-conditioner water system must moisturizings.Code requirement, as long as the system of hot water in winter is arranged, moisturizing must be softened processing.Current, common method for supplementing water has expansion tank moisturizing, small pump moisturizing etc.
More than several method for supplementing water all need to store up salt cellar, demineralized water treatment device, softened water tank etc. are produced demineralized water through steps such as work, backwash, regeneration, displacement, fast flushings, again system is carried out moisturizing, its complex structure needs chemical examination water quality regularly, maintenance management inconvenience, floor space is big, and initial cost is big.In the General System, once the demineralized water of net and secondary net is all handled separately, and especially in the big mini-system of use amount, producing of demineralized water is very inconvenient.
The utility model content
For deficiency and the shortcoming that overcomes prior art and application, the water that the purpose of this utility model provides in once netting in a kind of enclosed heat-exchange system adds to the interior water replanishing device of secondary net, water in the once net that utilization has been softened is to the moisturizing of secondary net, this device had both satisfied the basic function of moisturizing, and internal structure is simple, equipment is compacter, floor space and the usage space of heat exchange station have been reduced, initial cost and operating cost have been saved, reduced the setting that repeats of equipment, simultaneously, reduced service equipment and produced 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 utility model adopts technical scheme to be:
Enclosed heat-exchange system secondary side water replanishing device comprises:
One heat exchanger,
One is communicated with the once net feed pipe of heat exchanger, once net return pipe, secondary net feed pipe and secondary net return pipe,
Described once net return pipe also is communicated with a pre-heat exchanger, and secondary net return pipe also is communicated with described pre-heat exchanger by pre-heat pump, and the pre-pretreated part of heat exchanger of warp once net backwater flows into water tank,
One water tank, with the part that meets the demands once the net backwater connect secondary net feed pipe by filling pipe.
In a preferred embodiment of the present utility model, between the pipeline of described pre-heat exchanger and water tank temperature sensor is set also, temperature sensor is the leaving water temperature of the pre-heat exchanger of monitoring in real time, thereby regulates the operating frequency of pre-heat pump, makes the leaving water temperature of pre-heat exchanger satisfy system requirements.
In a preferred embodiment of the present utility model, enter one electronic two logical control valve also is set on the pipeline of water tank, the output of temperature sensor connects electronic two logical control valves, the temperature signal of electronic two logical control valve response temperature sensors, thereby control the aperture of electronic two logical control valves, make the leaving water temperature that enters water tank satisfy system requirements.
In a preferred embodiment of the present utility model, on the described secondary net supply channel secondary net water circulating pump is set, satisfy the circulation of supplying water.
In a preferred embodiment of the present utility model, between described once net return pipe and the pre-heat exchanger pressure-reducing valve is set also, the part backwater of once netting is reduced pressure, satisfy the pressure of system requirements.
In a preferred embodiment of the present utility model, described water tank is provided with breather valve, overflows, drainpipe, describedly overflows, house steward double the do water quality test pipe of drainpipe after converging.
In a preferred embodiment of the present utility model, on the described filling pipe small pump is set, realize the moisturizing to secondary net feed pipe.
In a preferred embodiment of the present utility model, water tank arranges a moisturizing ball valve, for detection of cistern water level, thereby the startup of controlling whole water charging system with close.
The utlity model has following characteristics and beneficial effect:
The inner heat exchanger that arranges of the utility model once net carries out heat exchange for backwater and secondary net for backwater, to the backwater heating (or cooling) of secondary net, realizes the heat supply (or refrigeration) of user's side;
The inner pressure-reducing valve that arranges reduces pressure to the part backwater of once netting, and satisfies the pressure of system requirements;
Once the backwater of Wang part backwater and secondary net carries out heat exchange by the pre-heat exchanger that inside arranges, and enters water tank, and system is carried out moisturizing;
The inner temperature sensor that arranges connects electronic two logical control valve and pre-heat pumps, can control the water temperature that enters water tank effectively, and satisfy below 60 ℃ winter.In winter, the water of too high temperature can damage water tank and personnel, and amount of vaporization is big, reduces invalid energy dissipation, but the backwater of the secondary of preheating simultaneously net reduces energy consumption.
The inner moisturizing ball valve that arranges detects cistern water level, the startup of controlling whole water charging system with close;
The inner small pump that arranges satisfies the moisturizing requirement of system.Can realize the moisturizing to system summer with reference to the way in winter.
The utility model both can be widely used in the heating system of moisturizing, also can be used for the cold and hot system of moisturizing.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Referring to Fig. 1, enclosed heat-exchange system secondary side water replanishing device comprises: a heat exchanger 3, is communicated with the once net feed pipe 101 of heat exchangers 3, once net return pipe 102, secondary net feed pipe 103 and secondary net return pipe 104,
Described once net return pipe 102 also is communicated with a pre-heat exchanger 1, and secondary net return pipe 104 also is communicated with described pre-heat exchanger 1 by pre-heat pump 6, and the pre-heat exchanger 1 pretreated part of warp once net backwater flows into water tank 7,
One water tank 7, with the part that meets the demands once the net backwater connect secondary net feed pipes by filling pipe 10.
In a preferred embodiment of the present utility model, between the pipeline of described pre-heat exchanger 1 and water tank 7 temperature sensor 4 is set also, temperature sensor 4 is the leaving water temperature of the pre-heat exchanger 1 of monitoring in real time, thereby regulates the operating frequency of pre-heat pump 6, makes the leaving water temperature of pre-heat exchanger 1 satisfy system requirements.
In a preferred embodiment of the present utility model, enter one electronic two logical control valve 5 also is set on the pipeline of water tank 7, the output of temperature sensor 4 connects electronic two logical control valves 5, the temperature signal of electronic two logical control valve 5 response temperature sensors 4, thereby control the aperture of electronic two logical control valves 5, make the leaving water temperature that enters water tank 7 satisfy system requirements.
In a preferred embodiment of the present utility model, on the described secondary net feed pipe 103 secondary net water circulating pump 9 is set, satisfy the circulation of supplying water.
In a preferred embodiment of the present utility model, between described once net return pipe 102 and the pre-heat exchanger 1 pressure-reducing valve 2 is set also, the part backwater of once netting is reduced pressure, satisfy the pressure of system requirements.
In a preferred embodiment of the present utility model, described water tank 7 is provided with breather valve 701, overflows, drainpipe 702, describedly overflows, house steward double the do water quality test pipe of drainpipe 702 after converging.
In a preferred embodiment of the present utility model, on the described filling pipe 10 small pump 8 is set, realize the moisturizing to secondary net feed pipe 103.
In a preferred embodiment of the present utility model, water tank 7 arranges a moisturizing ball valve 703, for detection of water tank 7 water levels, thereby the startup of controlling whole water charging system with close.
Operation principle of the present utility model is:
Once net supplies backwater heat exchange in heat exchanger 3 for backwater and secondary net, to the backwater heating (or cooling) of secondary net, realizes the heat supply (or refrigeration) of user's side.
A mesh portions backwater satisfies the pressure of system requirements by pressure-reducing valve 2 decompressions.Cut-in temperature sensor 4 between pre-heat exchanger 1 and electronic two logical control valves 5 leads to control valves 5 with the output and electronic two of temperature sensor 4 and is connected with heat pump 6 in advance.
Need to satisfy the once net return water temperature that enters in the water tank and be lower than 60 ℃ winter, and it is " T " value that temperature sensor arranges normal temperature.During winter operation, secondary net return water temperature is lower than once net return water temperature, and secondary net backwater can carry out pre-heat exchange at pre-heat exchanger 1 place with net backwater once by pre-heat pump 6, improves water temperature, cuts down the consumption of energy, and 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 then enters water tank 7 smaller or equal to " T " value; If temperature value is higher than " T " value, its output signal at first is delivered to pre-heat pump 6, the frequency of regulating pre-heat pump 6, and accelerated service meets the demands the leaving water temperature of pre-heat exchanger 1; If leaving water temperature still can not meet the demands, output signal is delivered to electronic two logical control valves 5 again, turns down the aperture of electronic two logical control valves 5, and the temperature of water meets the demands in entering water tank 7, and the part after the decompression cooling at last once net backwater feeds in the water tank 7.
Cistern water level is controlled by ball-cock assembly, by small pump 8 demineralized water in the water tank 7 is mended in the secondary net, realizes the moisturizing to secondary net system.The heating operating mode principle in the air conditioning condition principle in summer and winter is identical.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (8)

1. enclosed heat-exchange system secondary side water replanishing device is characterized in that, comprising:
One heat exchanger,
One is communicated with the once net feed pipe of heat exchanger, once net return pipe, secondary net feed pipe and secondary net return pipe,
Described once net return pipe also is communicated with a pre-heat exchanger, and secondary net return pipe also is communicated with described pre-heat exchanger by pre-heat pump, and the pre-pretreated part of heat exchanger of warp once net backwater flows into water tank,
One water tank, with the part that meets the demands once the net backwater connect secondary net feed pipe by filling pipe.
2. enclosed heat-exchange system secondary side water replanishing device according to claim 1, it is characterized in that: between the pipeline of described pre-heat exchanger and water tank temperature sensor is set also, temperature sensor is the leaving water temperature of the pre-heat exchanger of monitoring in real time, thereby regulate the operating frequency of pre-heat pump, make the leaving water temperature of pre-heat exchanger satisfy system requirements.
3. enclosed heat-exchange system secondary side water replanishing device according to claim 1, it is characterized in that: enter one electronic two logical control valve also is set on the pipeline of water tank, the output of temperature sensor connects electronic two logical control valves, the temperature signal of electronic two logical control valve response temperature sensors, thereby control the aperture of electronic two logical control valves, make the leaving water temperature that enters water tank satisfy system requirements.
4. enclosed heat-exchange system secondary side water replanishing device according to claim 1 is characterized in that: on the described secondary net supply channel secondary net water circulating pump is set, satisfies the circulation of supplying water.
5. enclosed heat-exchange system secondary side water replanishing device according to claim 1 is characterized in that: between described once net return pipe and the pre-heat exchanger pressure-reducing valve is set also, the part backwater of once netting is reduced pressure, satisfy the pressure of system requirements.
6. enclosed heat-exchange system secondary side water replanishing device according to claim 1, it is characterized in that: described water tank is provided with breather valve, overflows, drainpipe, describedly overflows, house steward double the do water quality test pipe of drainpipe after converging.
7. enclosed heat-exchange system secondary side water replanishing device according to claim 1 is characterized in that: on the described filling pipe small pump is set, realizes the moisturizing to secondary net feed pipe.
8. enclosed heat-exchange system secondary side water replanishing device according to claim 1, it is characterized in that: water tank arranges a moisturizing ball valve, for detection of cistern water level, thus the startup of controlling whole water charging system with close.
CN 201320158379 2013-04-02 2013-04-02 Secondary side water replenishing device for closed heat exchange system Expired - Fee Related CN203147896U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320158379 CN203147896U (en) 2013-04-02 2013-04-02 Secondary side water replenishing device for closed heat exchange system

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Application Number Priority Date Filing Date Title
CN 201320158379 CN203147896U (en) 2013-04-02 2013-04-02 Secondary side water replenishing device for closed heat exchange system

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CN203147896U true CN203147896U (en) 2013-08-21

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103225844A (en) * 2013-04-02 2013-07-31 中国建筑西北设计研究院有限公司 Secondary side water supplementing device for closed heat exchange system
CN106587194A (en) * 2016-12-14 2017-04-26 四川德胜集团钒钛有限公司 Overflow recovery method for water jet pond
CN111625938A (en) * 2020-05-11 2020-09-04 新智数字科技有限公司 Method and device for evaluating optimal operation of underground water source heat pump

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103225844A (en) * 2013-04-02 2013-07-31 中国建筑西北设计研究院有限公司 Secondary side water supplementing device for closed heat exchange system
CN103225844B (en) * 2013-04-02 2015-09-30 中国建筑西北设计研究院有限公司 Enclosed heat-exchange system secondary side water replanishing device
CN106587194A (en) * 2016-12-14 2017-04-26 四川德胜集团钒钛有限公司 Overflow recovery method for water jet pond
CN106587194B (en) * 2016-12-14 2019-08-13 四川德胜集团钒钛有限公司 A kind of jetting pond recovery of overflow method
CN111625938A (en) * 2020-05-11 2020-09-04 新智数字科技有限公司 Method and device for evaluating optimal operation of underground water source heat pump
CN111625938B (en) * 2020-05-11 2023-04-28 新智数字科技有限公司 Optimal operation assessment method and device for underground water source heat pump

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130821

CF01 Termination of patent right due to non-payment of annual fee