CN201522048U - Energy-saving air-conditioning system - Google Patents

Energy-saving air-conditioning system Download PDF

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Publication number
CN201522048U
CN201522048U CN2009202059381U CN200920205938U CN201522048U CN 201522048 U CN201522048 U CN 201522048U CN 2009202059381 U CN2009202059381 U CN 2009202059381U CN 200920205938 U CN200920205938 U CN 200920205938U CN 201522048 U CN201522048 U CN 201522048U
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valve
water
condenser
energy
cooling
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CN2009202059381U
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罗积源
罗曼
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Abstract

The utility model relates to an energy-saving air-conditioning system, which is provided with a bypass pipe on a pipeline between a first condensation water pump unit and a first condenser water inlet valve, a first valve is arranged on the bypass pipe, and the bypass pipe is connected to a cold supply pipeline system. A water outlet pipe is connected to a front section of the first condensation water pump unit and provided with a second valve. When the temperature of a natural cold source reaches a set temperature value, a first refrigerating unit, first condenser water inlet and outlet valves, a first chilled water pump unit and first chilled water inlet and outlet valves are closed, the first valve is opened, water in a first cooling device is delivered to the cold supply pipeline system to supply cold, the second valve is then opened, and water after heat exchange via the cold supply pipeline system is delivered to a heat exchange device and/or the first cooling device directly via a water outlet pipe or after being heated by a heating pipeline system. The energy-saving air-conditioning system reduces energy consumption greatly and has the advantages of saving energy and protecting environments.

Description

Energy-saving air conditioning system
Technical field
The utility model relates to air-conditioning system, more particularly, relates to a kind of energy-saving air conditioning system of realizing independent cooling and subregion air conditioner.
Background technology
Some buildings, for example machine room of base station system, constant temperature and humidity cleaning technology factory building, pharmaceutical factory, hotel, dwelling house etc. need to freeze, the air conditioner surroundings of heating, and common way is to use traditional air-conditioner water system to carry out cooling or heat supply now.As shown in Figure 1, be the flow chart of existing air-conditioner water system, this air-conditioner water system comprises condensed water loop and chilled water circuit.
This condensed water loop comprises the condenser that is connected to form cooling device 1, condensate pump group 2, condenser water inlet and flowing water Valve 3a and the 3b and the refrigeration unit 4 in loop by pipeline.This cooling device 1 provides the current of natural temperature, can be various cooling devices such as cooling tower.
This chilled water circuit comprises evaporimeter, chilled water water inlet and flowing water Valve 5a and 5b, cooling pipe-line system 6 and the chilled water pump group 7 that is connected to form the refrigeration unit 4 in loop by pipeline.Wherein, cooling pipe-line system 6 is arranged on needs the cooling district to carry out cooling.
During work, open condenser water inlet and flowing water Valve 3a and 3b; Open cold condensate pump group 2 is sent the water of cooling device 1 into the condenser of refrigeration unit 4, and then, 3b sends back to cooling device 1 through the condenser flowing water Valve, finishes the cool cycles of condensed water.
Open evaporimeter water inlet and flowing water Valve 5a and 5b; Open chilled water pump group 7 and refrigeration unit 4; The chilled water of refrigeration unit 4 is delivered to cooling pipe-line system 6, to need cooling district cooling; Then, 5a gets back to evaporimeter through the chilled water inlet valve, finishes the cooling circulation.Its water (flow) direction is shown in arrow among the figure.
Because need the cooling district to need the long-term stationary temperature that keeps, therefore, refrigeration unit needs uninterrupted the refrigeration, consumed power is very big, is unfavorable for energy-conservation.
The utility model content
The technical problems to be solved in the utility model is, at the constantly operation of air conditioner refrigerating unit of prior art, the defective of power consumption, provides a kind of energy-saving air conditioning system that can utilize natural cooling source to carry out cooling.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of energy-saving air conditioning system is provided, comprises needing the cooling sound zone system, the described cooling sound zone system that needs comprises the first condensed water loop and first chilled water circuit;
The described first condensed water loop comprises first cooling device, the first condensate pump group, the first condenser water inlet and flowing water Valve, and the condenser of first refrigeration unit that is connected to form the loop by pipeline; Described first cooling device utilizes the natural cooling source cooling to supply water;
Described first chilled water circuit comprises evaporimeter, the first chilled water water inlet and flowing water Valve, cooling pipe-line system, and the first chilled water pump group that is connected to form first refrigeration unit in loop by pipeline; Described cooling pipe-line system is arranged on needs the cooling district;
Be provided with bypass duct on the pipeline between the described first condensate pump group and the first condenser flowing water Valve, described bypass duct is provided with first valve; Described bypass duct is connected to described cooling pipe-line system;
Leading portion in the described first chilled water pump group is connected with outlet conduit, and described outlet conduit is provided with second valve;
When described first valve and second valve are in opening, the described first condenser flowing water Valve, the water inlet of first chilled water and flowing water Valve are in closed condition, the described first condenser inlet valve is in to be opened or closed condition, and, described first refrigeration unit and the first chilled water pump group are in stopped status, and the described first condensate pump group is in running status;
When described first valve and second valve are in closed condition, described first condenser water inlet and flowing water Valve, the water inlet of first chilled water and flowing water Valve are in opening, and described first refrigeration unit, the first condensate pump group and the first chilled water pump group are in running status.
Further, described bypass duct is arranged on the pipeline between the described first condensate pump group and the first condenser inlet valve;
When described first valve and second valve were in opening, the described first condenser inlet valve is in to be opened or closed condition.
Further, described energy-saving air conditioning system also comprises heat-exchange device; Described outlet conduit is on described heat-exchange device is connected to pipeline between the described first condenser flowing water Valve and first cooling device.
Further, described outlet conduit is provided with the 3rd valve, and described heat-exchange device is connected in parallel in the both sides of described the 3rd valve; Inducer and outlet section at described heat exchanger are respectively equipped with the 4th, the 5th valve;
When described the 4th valve and the 5th valve were in opening, described the 3rd valve was in closed condition;
When described the 4th valve and the 5th valve were in closed condition, described the 3rd valve was in opening.
Further, described energy-saving air conditioning system also comprises needs the heating sound zone system, and the described heating sound zone system that needs comprises the heating pipeline system that is arranged on the heating district; Described outlet conduit is connected to the heating of described heating pipeline system, and is provided with water return pipeline in described heating pipeline system and described first cooling device.
Further, the described heating sound zone system that needs comprises the second condensed water loop and second chilled water circuit;
The described second condensed water loop comprises second cooling device, the second condensate pump group, the second condenser water inlet and flowing water Valve, and the condenser of second refrigeration unit that is connected to form the loop by pipeline;
Described second chilled water circuit comprises by pipeline and is connected to form evaporimeter, the second chilled water water inlet and the flowing water Valve of second refrigeration unit in loop, described heating pipeline system, and the second chilled water pump group.
Further, described water return pipeline is provided with the 3rd valve;
Both sides at described the 3rd valve are connected in parallel to heat-exchange device, are respectively equipped with the 4th valve and the 5th valve at the inducer and the outlet section of described heat-exchange device;
When described the 4th valve and the 5th valve were in opening, described the 3rd valve was in closed condition;
When described the 4th valve and the 5th valve were in closed condition, described the 3rd valve was in opening.
Enforcement the utlity model has following beneficial effect: when the water temperature of cooling device arrived design temperature, the water of cooling device was sent to the cooling pipe-line system through bypass duct, and the district carries out cooling for the need cooling; Close refrigeration unit and chilled water pump this moment, avoided that the prior art refrigeration unit need continue to freeze, the defective of power consumption, and economize on electricity about 90% greatly reduces energy consumption, has the advantage of energy-saving and environmental protection.
In addition, through the water of cooling pipe-line system heat exchange, be sent to the heating pipeline system by outlet conduit, be need heating district's heat supply, close the refrigeration unit that needs the heating district this moment, made full use of the heat through the water of cooling pipe-line system heat exchange, further cut down the consumption of energy, more energy-saving and environmental protection.
Through the water of heating pipeline system heat exchange, according to the temperature required signal of air conditioner surroundings, closing and opening of control piper valve increases and decreases heat-exchange device and/or control variable frequency pump flow, satisfies and regulates the temperature required requirement of air conditioner surroundings.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the schematic flow sheet of the air-conditioner water system of prior art;
Fig. 2 is the schematic flow sheet of first embodiment of energy-saving air conditioning system of the present utility model;
Fig. 3 is the schematic flow sheet of second embodiment of energy-saving air conditioning system of the present utility model;
Fig. 4 is the schematic flow sheet of the 3rd embodiment of energy-saving air conditioning system of the present utility model.
The specific embodiment
As shown in Figure 2, be the schematic flow sheet of energy-saving air conditioning system first embodiment of the present utility model.This energy-saving air conditioning system comprises to be needed the cooling sound zone system and needs the heating sound zone system.
Temperature required according to air conditioner surroundings, adopt cooling device, heat-exchange device etc., utilize one or more of natural cooling source such as river, river, small stream, lake, sea, wind energy, geothermal energy resources of the Nature, switching drive manner by pipe valve, the heat delivery in need cooling district is distinguished to needing to heat, realized that the subregion changes in temperature are supplied with and the energy-saving type air conditioner operation of independent cooling.
This need cooling sound zone system comprises the first condensed water loop and first chilled water circuit; Wherein, this first condensed water loop comprises by pipeline and is connected to form first cooling device 11, the first condensate pump group 12, the water inlet of first condenser and the flowing water Valve 13a in loop and 13b, and the condenser of first refrigeration unit 14; This first cooling device 11 utilizes the natural cooling source cooling to supply water;
This first chilled water circuit comprises by pipeline and is connected to form evaporimeter, first chilled water water inlet of first refrigeration unit 14 in loop and flowing water Valve 15a and 15b, cooling pipe-line system 16, and the first chilled water pump group 17.Wherein, cooling pipe-line system 16 is arranged on needs the cooling district, for example computer room etc.
This sound zone system that need heat comprises the second condensed water loop and second chilled water circuit; Wherein, this second condensed water loop comprises by pipeline and is connected to form second cooling device 21, the second condensate pump group 22, the water inlet of second condenser and the flowing water Valve 23a in loop and 23b, and the condenser of second refrigeration unit 24;
This second chilled water circuit comprises by pipeline and is connected to form evaporimeter, second chilled water water inlet of second refrigeration unit 24 in loop and flowing water Valve 25a and 25b, heating pipeline system 26, and the second chilled water pump group 27.Wherein, heating pipeline system 26 is arranged on needs heating district, for example Office Area, residential area etc.
Above-mentioned condensate pump group can comprise condensate pump commonly used and the standby condensate pump that is arranged in parallel; The chilled water pump group can comprise chilled water pump commonly used and the standby chilled water pump that is arranged in parallel equally; Above-mentioned water pump can use variable frequency pump, with the control water flow, and then the adjusting of realization temperature.Above-mentioned condenser water inlet and flowing water Valve, chilled water water inlet and flowing water Valve can adopt manually-operated gate or electrically operated valve.
Shown in Fig. 2 dotted line, on the pipeline between the first condensate pump group 12 and the first condenser inlet valve 13a, be provided with bypass duct 31, its bypass duct 31 is provided with first valve 32, and this bypass duct 31 is connected to cooling pipe-line system 16.Understandable, this bypass duct also can be connected on the pipeline between the first condensate pump group 12 and the first condenser flowing water Valve 13b; At this moment, when switching to this bypass duct, open the first condenser inlet valve 13a, close the first condenser flowing water Valve 13b, open the first condensate pump group 12 with the water of first cooling device 11 behind the condenser of the first condenser inlet valve 13a and first refrigeration unit 14, send into bypass duct.
Leading portion in the first chilled water pump group 17 is connected with outlet conduit 33, is provided with second valve 34 on outlet conduit 33.This outlet conduit 33 is connected to heating pipeline system 26.The water outlet of heating pipeline system 26 is delivered to first cooling device 11 or is delivered to first cooling device 11 through heat-exchange device 39 through water return pipeline 35.
On this water return pipeline 35, be provided with the 3rd valve 36, the heat-exchange device 39 that inserts in parallel in the both sides of the 3rd valve 36, the inducer of this heat-exchange device 39 and outlet section are respectively equipped with the 4th, the 5th valve 37,38.This heat-exchange device 39 can utilize river, river, small stream, lake, sea, wind energy, geothermal energy resources of the Nature etc. one or more as low-temperature receiver.
According to the temperature required signal of air conditioner surroundings, open or close the 4th valve 37 and the 5th valve 38 of heat exchanger 39 both sides, control the heat exchange flow of the first condensate pump group 12, realize regulating the requirement of air conditioner surroundings different temperatures.
Whole energy-saving air conditioning system structure is very simple, is applicable in the newly-designed air-conditioning system, also goes for the transformation of existing air-conditioner water system.
Introduce the energy-saving operating method of above-mentioned energy-saving air conditioning system below:
According to the required temperature signal of air conditioner surroundings (need the cooling district and need the heating district), when the temperature of natural cooling source reaches design temperature, for example, manually temperature is closed first and second refrigeration unit 14 and 24, the first and second condenser water-in and water-out valve 13a, 13b, 23a and 23b, the first and second chilled water pump groups 17 and 27, the first and second chilled water water-in and water-out valve 15a, 15b, 25a and the 25b and the second condensate pump group 22 at-30 ℃ to 16 ℃ or when temperature is at-20 ℃ to 14 ℃ when controlling automatically during control;
Open first and second valve 32,34, start the first condensate pump group 12, the water of first cooling device 11 is sent into cooling pipe-line system 16 through bypass duct 31, be need cooling district cooling;
Water after the heat exchange is sent to heating pipeline system 26 through outlet conduit 33, is need heating district's heating; Water after the heating heat exchange is back to use first cooling device 11 through water return pipeline 35.
Further, by the flow of the increase and decrease heat-exchange device 39 and/or the first condensation intake pump, regulate the demand of air conditioner surroundings different temperatures.
When needs increase heat-exchange device 39, to open fourth, fifth valve 37,38, and close the 3rd valve 36, the current of water return pipeline 35 carry out cooling heat transferring through heat-exchange device 39, are transported to 11 reuses of first cooling device again.
When needs reduce heat-exchange device 39, to open the 3rd valve 36, and close fourth, fifth valve 37,38, the current of water return pipeline 35 are delivered directly to 11 reuses of first cooling device.
When the temperature of natural cooling source does not reach design temperature, need the cooling sound zone system and need the heating sound zone system according to traditional air-conditioner water system process flow operation, promptly, close first to the 5th valve 32,34,36 to 38, open the first and second condenser water-in and water-out valve 13a, 13b, 23a and 23b, the first and second chilled water water-in and water-out valve 15a, 15b, 25a and 25b, the first and second condensate pump groups 12 and 22, the first and second chilled water pump groups 17 and 27, first and second refrigeration unit 14 and 24 etc.
Above-mentioned action can be by manual operation or the control of temperature automatics.
As shown in Figure 3, be the schematic flow sheet of energy-saving air conditioning system second embodiment of the present utility model, its system is independent cold-supplying energy-saving air-conditioning system, has reduced need heating sound zone system and the heat-exchange device of first embodiment.Concrete, outlet conduit 33 is on the pipeline between loop to the first cooling device 11 and the first condenser flowing water Valve 13b.Water after 16 heat exchange of cooling pipe-line system is sent to 11 reuses of first cooling device through outlet conduit 33.
As shown in Figure 4, be the schematic flow sheet of energy-saving air conditioning system the 3rd embodiment of the present utility model, its system is independent cold-supplying energy-saving air-conditioning system, compares with second embodiment, on outlet conduit 33, increased by the 3rd valve 36, the heat-exchange device 39 that inserts in parallel in the both sides of the 3rd valve 36.
When needs increase heat-exchange device 39, to open fourth, fifth valve 37,38, and close the 3rd valve 36, the current of water return pipeline 35 carry out cooling heat transferring through heat-exchange device 39, are transported to 11 reuses of first cooling device again.
When needs reduce heat-exchange device 39, to open the 3rd valve 36, and close fourth, fifth valve 37,38, the current of water return pipeline 35 are delivered directly to 11 reuses of first cooling device.
Further, regulate the temperature requirement in discharge control cooling district by the first condenser water pump group.
Above embodiment has only expressed preferred implementation of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim; Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, for example the foregoing description is reconfigured, these all belong to protection domain of the present utility model; Therefore, all equivalents and modifications of being done with the utility model claim scope all should belong to the covering scope of the utility model claim.

Claims (7)

1. an energy-saving air conditioning system comprises needing the cooling sound zone system, and the described cooling sound zone system that needs comprises the first condensed water loop and first chilled water circuit;
The described first condensed water loop comprises first cooling device, the first condensate pump group, the first condenser water inlet and flowing water Valve, and the condenser of first refrigeration unit that is connected to form the loop by pipeline; Described first cooling device utilizes the natural cooling source cooling to supply water;
Described first chilled water circuit comprises evaporimeter, the first chilled water water inlet and flowing water Valve, cooling pipe-line system, and the first chilled water pump group that is connected to form first refrigeration unit in loop by pipeline; Described cooling pipe-line system is arranged on needs the cooling district;
It is characterized in that be provided with bypass duct on the pipeline between the described first condensate pump group and the first condenser flowing water Valve, described bypass duct is provided with first valve; Described bypass duct is connected to described cooling pipe-line system;
Leading portion in the described first chilled water pump group is connected with outlet conduit, and described outlet conduit is provided with second valve;
When described first valve and second valve are in opening, the described first condenser flowing water Valve, the water inlet of first chilled water and flowing water Valve are in closed condition, the described first condenser inlet valve is in to be opened or closed condition, and, described first refrigeration unit and the first chilled water pump group are in stopped status, and the described first condensate pump group is in running status;
When described first valve and second valve are in closed condition, described first condenser water inlet and flowing water Valve, the water inlet of first chilled water and flowing water Valve are in opening, and described first refrigeration unit, the first condensate pump group and the first chilled water pump group are in running status.
2. energy-saving air conditioning system according to claim 1 is characterized in that, described bypass duct is arranged on the pipeline between the described first condensate pump group and the first condenser inlet valve;
When described first valve and second valve were in opening, the described first condenser inlet valve is in to be opened or closed condition.
3. energy-saving air conditioning system according to claim 1 is characterized in that described energy-saving air conditioning system also comprises heat-exchange device; Described outlet conduit is on described heat-exchange device is connected to pipeline between the described first condenser flowing water Valve and first cooling device.
4. energy-saving air conditioning system according to claim 3 is characterized in that described outlet conduit is provided with the 3rd valve, and described heat-exchange device is connected in parallel in the both sides of described the 3rd valve; Inducer and outlet section at described heat exchanger are respectively equipped with the 4th, the 5th valve;
When described the 4th valve and the 5th valve were in opening, described the 3rd valve was in closed condition;
When described the 4th valve and the 5th valve were in closed condition, described the 3rd valve was in opening.
5. energy-saving air conditioning system according to claim 1 is characterized in that, described energy-saving air conditioning system also comprises needs the heating sound zone system, and the described heating sound zone system that needs comprises the heating pipeline system that is arranged on the heating district; Described outlet conduit is connected to the heating of described heating pipeline system, and is provided with water return pipeline in described heating pipeline system and described first cooling device.
6. energy-saving air conditioning system according to claim 5 is characterized in that, the described heating sound zone system that needs comprises the second condensed water loop and second chilled water circuit;
The described second condensed water loop comprises second cooling device, the second condensate pump group, the second condenser water inlet and flowing water Valve, and the condenser of second refrigeration unit that is connected to form the loop by pipeline;
Described second chilled water circuit comprises by pipeline and is connected to form evaporimeter, the second chilled water water inlet and the flowing water Valve of second refrigeration unit in loop, described heating pipeline system, and the second chilled water pump group.
7. energy-saving air conditioning system according to claim 5 is characterized in that described water return pipeline is provided with the 3rd valve;
Both sides at described the 3rd valve are connected in parallel to heat-exchange device, are respectively equipped with the 4th valve and the 5th valve at the inducer and the outlet section of described heat-exchange device;
When described the 4th valve and the 5th valve were in opening, described the 3rd valve was in closed condition;
When described the 4th valve and the 5th valve were in closed condition, described the 3rd valve was in opening.
CN2009202059381U 2009-10-19 2009-10-19 Energy-saving air-conditioning system Expired - Lifetime CN201522048U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102901173A (en) * 2012-11-09 2013-01-30 罗积源 Water source cold supply air-conditioning system and water source cold supply region air-conditioning system
CN103344016A (en) * 2013-07-23 2013-10-09 清华大学 Energy-saving air conditioner for machine room
CN108531232A (en) * 2018-02-23 2018-09-14 芜湖中燃城市燃气发展有限公司 Energy-efficient natural gas processing device
CN109357367A (en) * 2018-10-16 2019-02-19 红塔烟草(集团)有限责任公司 A kind of energy-saving control method of air-conditioning or combined type wind cabinet central cooling

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102901173A (en) * 2012-11-09 2013-01-30 罗积源 Water source cold supply air-conditioning system and water source cold supply region air-conditioning system
CN102901173B (en) * 2012-11-09 2015-08-05 罗积源 Water source is for cold air conditioning system and water source cooling zone air-conditioning system
CN103344016A (en) * 2013-07-23 2013-10-09 清华大学 Energy-saving air conditioner for machine room
CN103344016B (en) * 2013-07-23 2015-11-18 清华大学 A kind of machinery room energy-saving air conditioner
CN108531232A (en) * 2018-02-23 2018-09-14 芜湖中燃城市燃气发展有限公司 Energy-efficient natural gas processing device
CN108531232B (en) * 2018-02-23 2020-12-11 芜湖中燃城市燃气发展有限公司 High-efficiency energy-saving natural gas processing device
CN109357367A (en) * 2018-10-16 2019-02-19 红塔烟草(集团)有限责任公司 A kind of energy-saving control method of air-conditioning or combined type wind cabinet central cooling

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Granted publication date: 20100707