CN109458707A - HVAC system and HVAC energy saving of system method - Google Patents
HVAC system and HVAC energy saving of system method Download PDFInfo
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- CN109458707A CN109458707A CN201811181059.XA CN201811181059A CN109458707A CN 109458707 A CN109458707 A CN 109458707A CN 201811181059 A CN201811181059 A CN 201811181059A CN 109458707 A CN109458707 A CN 109458707A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of HVAC system and HVAC energy saving of system methods, it includes chilled water circulating pump, refrigerator, air-conditioner set, cooling water circulating pump and cooling tower, chilled water circulating pump is connected to refrigerator by chilled water water inlet pipe, refrigerator is connected to air-conditioner set by chilled water outlet pipe, and air-conditioner set is connected to chilled water circulating pump by chilled water return pipe；Cooling water circulating pump is connected to refrigerator by cooling water inlet pipe, and refrigerator is connected to cooling tower by cooling water outlet pipe, and cooling tower is connected to refrigerator by cooling water return pipe；Chilled water water inlet pipe is connected to water pipe connection by water inlet with cooling water outlet pipe, and water inlet connection water pipe is provided with the first valve；Chilled water outlet pipe is connected to water pipe connection by return water with cooling water return pipe, and return water connection water pipe is provided with the second valve.By the open and close of control valve, the working condition of HVAC system can be adjusted, operating power consumption is reduced, increase the economic benefit of enterprise.
Description
Technical field
The present invention relates to heat-exchange apparatus field of energy-saving technology, in particular to a kind of HVAC system and HVAC system
System power-economizing method.
Background technique
In enterprise's production, refrigerator is the key equipment of HVAC system, and the cold source of HVAC system is from refrigerator, room temperature
Chilled water passes through the constantly cold and hot exchange of refrigerator, becomes low temperature chilled water, it is warm and humid to adjust each region environment by air-conditioner set
Degree, maintains in a zone of reasonableness, to meet the environmental demand of production technology.
Refrigerator is the biggish machinery equipment of energy consumption in entire HVAC system equipment, the electrical power of large enterprise's refrigerator
Generally all between 600KW-900KW, power consumption accounts for about the 1/8-1/5 of entire enterprise's power consumption.Therefore HVAC system how is reduced
Middle refrigerator energy consumption reaches the operation of HVAC systematic economy, for enterprise's save the cost, increases economic efficiency significant.
Inventor has found that traditional HVAC system at least has the following disadvantages: in the process of running under study for action
In HVAC system work process, energy consumption is big, and the consumption of resource is big, and entreprise cost is high.
Summary of the invention
The purpose of the present invention is to provide a kind of HVAC systems, to improve traditional HVAC system energy consumption height, entreprise cost
Problem high, economic benefit is low.
The purpose of the present invention is to provide a kind of HVAC energy saving of system method, with improve traditional HVAC system energy consumption it is high,
The problem that entreprise cost is high, economic benefit is low.
The embodiment of the present invention is achieved in that
Based on above-mentioned first purpose, the present invention provides a kind of HVAC systems comprising chilled water circulating pump, refrigerator,
Air-conditioner set, cooling water circulating pump and cooling tower, the chilled water circulating pump and the refrigerator pass through chilled water water inlet pipe
Connection, the refrigerator are connected to the air-conditioner set by chilled water outlet pipe, and the air-conditioner set is followed with the chilled water
Ring pump is connected to by chilled water return pipe；The cooling water circulating pump is connected to the refrigerator by cooling water inlet pipe, institute
It states refrigerator and is connected to the cooling tower by cooling water outlet pipe, the cooling tower and the refrigerator pass through cooling water return water
Pipe connection；By water inlet connection water pipe connection between the chilled water water inlet pipe and the cooling water outlet pipe, the water inlet connects
The first valve is provided on water service pipe；The chilled water outlet pipe is connected to water pipe by return water with the cooling water return pipe and connects
It is logical, the second valve is provided on the return water connection water pipe；Third valve, the third are provided on the chilled water water inlet pipe
Valve is between first valve and the refrigerator；It is provided with the 4th valve on the chilled water outlet pipe, described
Four valves are between second valve and the refrigerator；The 5th valve is provided on the cooling water outlet pipe, it is described
5th valve is provided with the 6th valve, institute between first valve and the refrigerator in the cooling water return pipe
The 6th valve is stated between the cooling water circulating pump and second valve.
In preferred embodiments of the present invention, there are two first valves for setting on the water inlet connection water pipe.
In preferred embodiments of the present invention, there are two second valves for setting on the return water connection water pipe.
In preferred embodiments of the present invention, there are two the third valves for setting on the chilled water water inlet pipe.
In preferred embodiments of the present invention, there are two the 4th valves for setting on the chilled water outlet pipe.
In preferred embodiments of the present invention, there are two the 5th valves for setting on the cooling water outlet pipe.
In preferred embodiments of the present invention, there are two the 6th valves for setting in the cooling water return pipe.
In preferred embodiments of the present invention, the 7th valve is provided on the chilled water return pipe.
In preferred embodiments of the present invention, the 8th valve is provided on the cooling water inlet pipe.
Based on above-mentioned second purpose, the present invention provides a kind of HVAC energy saving of system methods, suitable for the HVAC system
System closes the third valve and the 5th valve when ambient temperature is not higher than 10 degrees Celsius, opens described the
One valve enables the chilled water water inlet pipe be connected to the cooling water outlet pipe, closes the 4th valve and the described 6th
Valve opens second valve, the cooling water return pipe is enabled to be connected to the chilled water outlet pipe.
The beneficial effect of the embodiment of the present invention is:
In conclusion the embodiment of the invention provides a kind of HVAC system, it is simple and reasonable, it is processed convenient for manufacture,
Installation with it is easy to use, meanwhile, the HVAC system when ambient temperature is lower than setting value, by the unlatching of control valve and
It closes, the working condition of refrigerator and cooling water circulating pump can be cut off in the case where guaranteeing that HVAC system operates normally, it is cold
Jelly machine and cooling water circulating pump are in a state of stopping working, and electric power resource is greatly saved, and reduce power consumption, increase enterprise
The economic benefit of industry.It is specific as follows:
HVAC system provided in this embodiment, there are two types of working conditions for tool, when ambient temperature is higher than 10 degrees Celsius, use
Normal operating conditions, specifically, the first valve and the second valve are closed, third valve, the 4th valve, the 5th valve and the 6th
Valve opening.Chilled water circulating pump, refrigerator and air-conditioner set constitute freezing water circulation system, freeze in water circulation system, cold
Freeze water to be pumped out by chilled water circulating pump pressurization, chilled water water inlet pipe flows into inside refrigerator, carries out room temperature after cold and hot exchange
Chilled water becomes low temperature chilled water, and then chilled water outlet pipe, which flows into inside air-conditioner set, carries out cold and hot exchange for adjusting ring
Border temperature and humidity, the last chilled water return pipe of chilled water flow back into refrigerating cycle pump and complete a complete cycle.Cooling water circulation
Pump, refrigerator and cooling tower constitute cooling water recirculation system, and in cooling water recirculation system, cooling water is pressurizeed by cooling water circulating pump
It pumps out, is flowed into inside refrigerator through cooling water inlet pipe, carry out cold and hot exchange and then reduce the machine temperature of refrigerator, then pass through
Cooling water outlet pipe, which flows into the cold and hot exchange of progress inside cooling tower, becomes low-temperature cooling water, and last cooling water is through cooling water return pipe
It flow back into cooling water circulating pump and completes a complete cycle.When the temperature of external environment is not higher than 10 degrees Celsius, generally in the winter
Ji Shijie, at this point, third valve, the 4th valve, the 5th valve and the 6th valve close by the first valve and the second valve opening
It closes, original mutually independent freezing water circulation system is connected to cooling water recirculation system, constitutes a new circulatory system.Newly
The circulatory system in, refrigerator and cooling water circulating pump are not necessarily to work, and the cooling tower in cooling water recirculation system can be used as cold
The cold source alternate device for freezing water circulation system uses.Chilled water by chilled water circulating pump pressurization pump out, chilled water water inlet pipe and
Water inlet connection water pipe, which flows into the cold and hot exchange of progress inside cooling tower, becomes low temperature chilled water, then connects through cooling water return pipe and return water
Water service pipe, which flows into inside air-conditioner set, carries out cold and hot exchange for adjusting ambient temperature and humidity, the last chilled water return pipe of chilled water
It flow back into refrigerating cycle pump and completes a complete cycle.It recycles in cycles, it is ensured that Warm Winter way system normal regulating temperature
The demand of humidity.In the circulatory system, refrigerator and cooling water circulating pump are not involved in work, greatly reduce energy consumption, section
Cost has been saved, the economic benefit of enterprise is improved.
HVAC energy saving of system method provided in this embodiment is suitable for above-mentioned HVAC system, with above-mentioned HVAC system
All advantages.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the schematic diagram of the HVAC system of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the distressed structure of the HVAC system of the embodiment of the present invention；
Fig. 3 is the schematic diagram of the first working condition of the HVAC system of the embodiment of the present invention；
Fig. 4 is the schematic diagram of the second working condition of the HVAC system of the embodiment of the present invention.
Icon: 100- chilled water circulating pump；200- refrigerator；300- air-conditioner set；400- cooling water circulating pump；
500- cooling tower；001- chilled water water inlet pipe；002- chilled water outlet pipe；003- chilled water return pipe；004- cooling water
Water inlet pipe；005- cooling water outlet pipe；006- cooling water return pipe；007- water inlet connection water pipe；008- return water is connected to water
Pipe；The first valve of 101-；The second valve of 102-；103- third valve；The 4th valve of 104-；The 5th valve of 105-；
The 6th valve of 106-；The 7th valve of 107-；The 8th valve of 108-.
Specific embodiment
In traditional HVAC system work process, energy consumption is big, and the consumption of resource is big, and entreprise cost is high.
In consideration of it, inventor devises a kind of HVAC system and HVAC energy saving of system method, the HVAC system is in the external world
It, can be in the feelings for guaranteeing that HVAC system operates normally by the open and close of control valve when environment temperature is lower than setting value
The working condition of refrigerator 200 and cooling water circulating pump 400 is cut off under condition, refrigerator 200 and cooling water circulating pump 400, which are in, to stop
The state only to work, greatly reduces energy consumption, reduces power consumption, increases the economic benefit of enterprise.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Embodiment
Fig. 1-Fig. 4 is please referred to, a kind of HVAC system is present embodiments provided, good operating environment is provided for enterprise, mentions
High degree of comfort improves the qualification rate of product.
HVAC system provided in this embodiment includes chilled water circulating pump 100, refrigerator 200, air-conditioner set 300, cold
But water-circulating pump 400 and cooling tower 500, chilled water circulating pump 100 are connected to refrigerator 200 by chilled water water inlet pipe 001,
Refrigerator 200 is connected to air-conditioner set 300 by chilled water outlet pipe 002, and air-conditioner set 300 and chilled water circulating pump 100 are logical
Cross the connection of chilled water return pipe 003；Cooling water circulating pump 400 is connected to refrigerator 200 by cooling water inlet pipe 004, is freezed
Machine 200 is connected to cooling tower 500 by cooling water outlet pipe 005, and cooling tower 500 and refrigerator 200 pass through cooling water return pipe
006 connection；It is connected between chilled water water inlet pipe 001 and cooling water outlet pipe 005 by water inlet connection water pipe 007, water inlet connection
The first valve 101 is provided on water pipe 007；Chilled water outlet pipe 002 is connected to water pipe by return water with cooling water return pipe 006
008 connection, return water are connected on water pipe 008 and are provided with the second valve 102；Third valve is provided on chilled water water inlet pipe 001
103, third valve 103 is between the first valve 101 and refrigerator 200；The 4th valve is provided on chilled water outlet pipe 002
104, the 4th valve 104 is between the second valve 102 and refrigerator 200；The 5th valve is provided on cooling water outlet pipe 005
105, the 5th valve 105 is provided with the 6th valve between the first valve 101 and refrigerator 200 in cooling water return pipe 006
106, the 6th valve 106 is located between cooling water circulating pump 400 and the second valve 102.
HVAC system provided in this embodiment, tool is there are two types of working condition, can be by according to the difference of ambient temperature
It need to be adjusted.When ambient temperature is higher than 000 degree Celsius of 1 feature name, HVAC system is worked with the first working condition, the work
Make state also and be the common working condition of HVAC system, when practical operation, the first valve 101 and the second valve 102 are closed,
Third valve 103, the 4th valve 104, the 5th valve 105 and the 6th valve 106 are opened.Chilled water circulating pump 100, refrigerator
200 and air-conditioner set 300 constitute freezing water circulation system, freeze in water circulation system, chilled water by chilled water circulating pump 100 plus
Press pump goes out, and chilled water water inlet pipe 001 flows into inside refrigerator 200, and the chilled water for carrying out room temperature after cold and hot exchange becomes low temperature
Then it is warm and humid for adjusting environment to carry out cold and hot exchange inside the chilled inflow of water outlet pipe 002 air-conditioner set 300 for chilled water
Degree, the last chilled water return pipe 003 of chilled water flow back into refrigerating cycle pump and complete a complete cycle.Cooling water circulating pump
400, refrigerator 200 and cooling tower 500 constitute cooling water recirculation system, and in cooling water recirculation system, cooling water is followed by cooling water
400 pressurization of ring pump pumps out, and flows into inside refrigerator 200 through cooling water inlet pipe 004, carries out cold and hot exchange and then reduces refrigerator
Then 200 machine temperature becomes sub-cooled through carrying out cold and hot exchange inside the inflow cooling tower 500 of cooling water outlet pipe 005
Water, last cooling water flow back into cooling water circulating pump 400 through cooling water return pipe 006 and complete a complete cycle.
When the temperature of external environment is not higher than 000 degree Celsius of 1 feature name, general time in winter, HVAC system with
Second working condition works, at this point, the first valve 101 and the second valve 102 are opened, third valve 103, the 4th valve
104, the 5th valve 105 and the 6th valve 106 are closed, will original mutually independent freezing water circulation system by the control of valve
It is connected to cooling water recirculation system, constitutes a new circulatory system.In the new circulatory system, refrigerator 200 and cooling water are followed
Ring pump 400 is isolated, and is not necessarily to work, and the cooling tower 500 in cooling water recirculation system can be used as freezing water circulation system
Cold source alternate device uses.Chilled water is pumped out by the pressurization of chilled water circulating pump 100, and chilled water water inlet pipe 001 is connected to water inlet
Carrying out cold and hot exchange inside the inflow cooling tower 500 of water pipe 007 becomes low temperature chilled water, then through cooling water return pipe 006 and return water
Connection water pipe 008, which flows into inside air-conditioner set 300, carries out cold and hot exchange for adjusting ambient temperature and humidity, and last chilled water is chilled
Water return pipe 003 flow back into refrigerating cycle pump and completes a complete cycle.It recycles in cycles, it is ensured that Warm Winter way system
The demand of normal regulating temperature and humidity.In the circulatory system, refrigerator 200 and cooling water circulating pump 400 are not involved in work, greatly
Energy consumption is reduced greatly, saves cost, improves the economic benefit of enterprise.
It should be noted that there are two the settings of the first valve 101, and two the first valves 101 are being intake in actual installation
It is intervally arranged on connection water pipe 007, setting two the first valves 101 is respectively valve F21 and valve F22, and valve F21 is close to cold
Freeze water water inlet pipe 001 to be arranged, corresponding, valve F22 is arranged close to cooling water outlet pipe 005.By the way that two the first valves are arranged
101, when first valve 101 can not work normally wherein, another first valve 101 can play the role of choked flow,
The reliability of raising system.
In the present embodiment, there are two the settings of the second valve 102, between two the second valves 102 are on return water connection water pipe 008
Every arrangement, setting two the second valves 102 is respectively valve F23 and valve F24, and valve F23 is set close to cooling water return pipe 006
It sets, corresponding, valve F24 is arranged close to chilled water outlet pipe 002.By the way that two the second valves 102 are arranged, one the wherein
When two valves 102 can not work normally, another second valve 102 can play the role of choked flow, improve the reliability of system.
Optional in the present embodiment, there are two the settings of third valve 103, and two third valves 103 are located at chilled water
Water inlet pipe 001 is connected to the two sides of the jointing of water pipe 007 with water inlet.Two third valves 103 are respectively valve F1 and valve
F2, valve F1 are arranged close to chilled water circulating pump 100, and valve F2 is arranged close to refrigerator 200.
Optional in the present embodiment, there are two the settings of the 4th valve 104, and two the 4th valves 104 are located at chilled water
Outlet pipe 002 is connected to the two sides of the jointing of water pipe 008 with return water.Two the 4th valves 104 are respectively valve F3 and valve
F4, valve F3 are arranged close to refrigerator 200, and valve F4 is arranged close to air-conditioner set 300.
Optional in the present embodiment, there are two the settings of the 5th valve 105, and two the 5th valves 105 are located at cooling water
Outlet pipe 005 is connected to the two sides of the jointing of water pipe 007 with water inlet, and two the 5th valves 105 are respectively valve F13 and valve
F14, valve F13 are arranged close to refrigerator 200, and valve F14 is arranged close to cooling tower 500.
Optional in the present embodiment, there are two the settings of the 6th valve 106, and two the 6th valves 106 are located at cooling water
Return pipe 006 is connected to the two sides of the jointing of water pipe 008 with return water, and two the 6th valves 106 are respectively valve F15 and valve
F16, valve F15 are arranged close to cooling tower 500, and valve F16 is arranged close to cooling water circulating pump 400.
It is optional in the present embodiment, the 7th valve 107 is provided on chilled water return pipe 003, the 7th valve 107 can be set
Two are set, two the 7th valves 107 are intervally arranged on chilled water return pipe 003, and two the 7th valves 107 are respectively valve F5
It is arranged with valve F6, valve F5 close to chilled water circulating pump 100, valve F6 is arranged close to air-conditioner set 300.
It is optional in the present embodiment, the 8th valve 108 is provided on cooling water inlet pipe 004, the 8th valve 108 can be set
Two are set, two the 8th valves 108 are intervally arranged on cooling water inlet pipe 004, and two the 8th valves 108 are respectively valve
F11 and valve F12, valve F11 are arranged close to cooling water circulating pump 400, and valve F12 is arranged close to refrigerator 200.
It should be noted that chilled water and cooling water are same water quality, such as softened water.
It should be noted that cooling tower 500 is the closed cooling tower 500 of outdoor mounted, water circulation system, cooling water are freezed
The new circulatory system of the circulatory system and composition is enclosed circulation pipeline, does not tend to have impurity pollution chilled water and cooling
Water.
Embodiment
A kind of HVAC energy saving of system method is present embodiments provided, is suitable for HVAC system provided by the above embodiment, asks
Refering to Fig. 3, when ambient temperature is higher than 000 degree Celsius of 1 feature name, HVAC system carries out work with the first working condition
Make, at this point, closing valve F21, valve F22, valve F23 and valve F24, valve F1, valve F2, valve F3, valve F4, valve
F5, valve F6, valve F11, valve F12, valve F13, valve F14, valve F15 and valve F16 freeze water circulation system and cold
But water circulation system is the two independent systems worked at the same time.Referring to Fig. 4, being not higher than 1 feature name in ambient temperature
When claiming 000 degree Celsius, HVAC system is worked with the second working condition, at this point, Open valve F21, valve F22, valve
F23, valve F24, valve F1, valve F4, valve F5, valve F6, valve F11, valve F12, valve F14 and valve F15 are closed
Valve F2, valve F3, valve F13 and valve F16, freezing water circulation system is connected to cooling water recirculation system constitutes new circulation
System, in the circulatory system, refrigerator 200 and cooling water circulating pump 400 do not work, and save energy consumption, reduce cost, improve enterprise
Industry economic benefit.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of HVAC system, which is characterized in that it includes chilled water circulating pump, refrigerator, air-conditioner set, cooling water circulating pump
And cooling tower, the chilled water circulating pump are connected to the refrigerator by chilled water water inlet pipe, the refrigerator with it is described
Air-conditioner set is connected to by chilled water outlet pipe, and the air-conditioner set is connected with the chilled water circulating pump by chilled water return pipe
It is logical；The cooling water circulating pump is connected to the refrigerator by cooling water inlet pipe, and the refrigerator and the cooling tower are logical
The connection of supercooled water outlet pipe, the cooling tower are connected to the refrigerator by cooling water return pipe；The chilled water water inlet
It is connected between pipe and the cooling water outlet pipe by water inlet connection water pipe, is provided with the first valve on the water inlet connection water pipe
Door；The chilled water outlet pipe is connected to water pipe connection by return water with the cooling water return pipe, and the return water is connected on water pipe
It is provided with the second valve；Third valve is provided on the chilled water water inlet pipe, the third valve is located at first valve
Between the refrigerator；The 4th valve is provided on the chilled water outlet pipe, the 4th valve is located at second valve
Between door and the refrigerator；The 5th valve is provided on the cooling water outlet pipe, the 5th valve is located at described first
Between valve and the refrigerator, the 6th valve is provided in the cooling water return pipe, the 6th valve is located at described cold
But between water-circulating pump and second valve.
2. HVAC system according to claim 1, which is characterized in that there are two described for setting on the water inlet connection water pipe
First valve.
3. HVAC system according to claim 1, which is characterized in that there are two described for setting on the return water connection water pipe
Second valve.
4. HVAC system according to claim 1, which is characterized in that there are two described for setting on the chilled water water inlet pipe
Third valve.
5. HVAC system according to claim 1, which is characterized in that there are two described for setting on the chilled water outlet pipe
4th valve.
6. HVAC system according to claim 1, which is characterized in that there are two described for setting on the cooling water outlet pipe
5th valve.
7. HVAC system according to claim 1, which is characterized in that there are two described for setting in the cooling water return pipe
6th valve.
8. HVAC system according to claim 1, which is characterized in that be provided with the 7th valve on the chilled water return pipe
Door.
9. HVAC system according to claim 1, which is characterized in that be provided with the 8th valve on the cooling water inlet pipe
Door.
10. a kind of HVAC energy saving of system method, which is characterized in that suitable for being warmed up described in any one of the claims 1-9
Way system closes the third valve and the 5th valve when ambient temperature is not higher than 10 degrees Celsius, opens institute
The first valve is stated, the chilled water water inlet pipe is enabled to be connected to the cooling water outlet pipe, closes the 4th valve and described
6th valve opens second valve, the cooling water return pipe is enabled to be connected to the chilled water outlet pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811181059.XA CN109458707A (en) | 2018-10-10 | 2018-10-10 | HVAC system and HVAC energy saving of system method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811181059.XA CN109458707A (en) | 2018-10-10 | 2018-10-10 | HVAC system and HVAC energy saving of system method |
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| CN109458707A true CN109458707A (en) | 2019-03-12 |
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