CN210267584U - Multi-cold-source efficient large-temperature-difference air conditioning system - Google Patents
Multi-cold-source efficient large-temperature-difference air conditioning system Download PDFInfo
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- CN210267584U CN210267584U CN201920850373.6U CN201920850373U CN210267584U CN 210267584 U CN210267584 U CN 210267584U CN 201920850373 U CN201920850373 U CN 201920850373U CN 210267584 U CN210267584 U CN 210267584U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model relates to a big difference in temperature air conditioning system of high efficiency of many cold sources, including cold source system and terminal system, the cold source system includes low temperature cooling water set (1), medium temperature cooling water set (9), low temperature cooling tower (7), medium temperature cooling tower (11), low temperature cooling water pump (8), medium temperature cooling water pump (12), low temperature ethylene glycol pump (2), medium temperature ethylene glycol pump (6), ice storage tank (3), plate heat exchanger (4), and terminal system includes cold water pump (5), terminal air conditioning equipment (10). The utility model discloses can guarantee under the prerequisite of the millet saving working costs is filled out in the peak clipping at performance cold-storage air conditioner advantage, can practice thrift air conditioning system energy consumption again.
Description
Technical Field
The utility model belongs to the technical field of central air conditioning system, concretely relates to energy-conserving economize on fee cold-storage air conditioning system.
Background
In the air conditioning system, in order to meet the requirement of peak load shifting of urban power utilization, a mode of ice storage and water storage is utilized, low-temperature cold water is prepared by a low-temperature cold water unit (a dual-working-condition cold water unit) at night and is stored in an ice or water mode, and the cold energy stored at night is provided for users in the daytime at the peak time of power utilization without starting the cold water unit, so that the power consumption at the peak time is saved, and meanwhile, the operating cost is also saved.
The method can increase initial investment, increase energy consumption of the air conditioning system and save energy.
Disclosure of Invention
The utility model discloses to the defect among the above-mentioned current air conditioning system, provided a novel energy-conserving economize on cost cold-storage air conditioning system, it can guarantee under the prerequisite that the millet was filled out in the peak clipping practices thrift the working costs at performance cold-storage air conditioner advantage, can practice thrift air conditioning system energy consumption again.
The utility model provides a high-efficient big difference in temperature air conditioning system of many cold sources, including cold source system and terminal system, the cold source system includes low temperature cooling water set, medium temperature cooling water set, the low temperature cooling tower, medium temperature cooling tower, the low temperature cooling water pump, medium temperature cooling water pump, low temperature ethylene glycol pump, medium temperature ethylene glycol pump, the ice storage groove, plate heat exchanger, terminal system includes the cold water pump, terminal air conditioning equipment, the low temperature cooling tower, low temperature cooling water pump, low temperature cooling water set form a loop, medium temperature cooling tower, medium temperature cooling water pump, medium temperature cooling water set form a loop, low temperature cooling water set, low temperature ethylene glycol pump, the ice storage device, plate heat exchanger, medium temperature ethylene glycol pump, medium temperature cooling water set accomplish a loop, plate heat exchanger, terminal air conditioner, cold water.
The high-efficiency large-temperature-difference air conditioning system with multiple cold sources comprises the conventional end air conditioning equipment as follows: fan coil, air handling unit, fresh air handling unit, etc.
According to the multi-cold-source efficient large-temperature-difference air conditioning system, multiple users share one cold source system according to project requirements.
According to the multi-cold-source efficient large-temperature-difference air conditioning system, the temperature and humidity control system is adopted at the tail end according to project requirements.
According to the multi-cold-source efficient large-temperature-difference air conditioning system, conversion among the working conditions is achieved through the electric valves.
According to the high-efficient big difference in temperature air conditioning system of many cold sources described above, electric valve A is located medium temperature cooling water set and electric valve B, electric valve C's intercommunication water pipe, electric valve B is located low temperature cooling water set and electric valve C's intercommunication water pipe, electric valve C is located electric valve A and the intercommunication water pipe of ice storage tank, electric valve D is located electric valve E, the communicating pipe water before electric valve F, electric valve E is located the water pipe between low temperature ethylene glycol pump and the multiple exit plate heat exchanger, electric valve F is located the water pipe between ice storage tank and the multiple exit plate heat exchanger board trade, electric valve G is located the bypass pipe behind the low temperature ethylene glycol pump.
The cold source system is additionally provided with a high-temperature water chilling unit, a high-temperature cooling tower and a high-temperature cooling water pump, wherein the high-temperature water chilling unit, the high-temperature cooling tower and the high-temperature cooling water pump form a loop.
The technical effects of the utility model are that: the high-efficiency large-temperature-difference air conditioning system with multiple cold sources is provided, the effects of peak clipping and valley filling can be realized, the operating cost is saved, and the energy consumption of the air conditioning system can be saved.
Drawings
Fig. 1 is the utility model discloses a big difference in temperature air conditioning system schematic diagram of high efficiency of many cold sources.
Fig. 2 is the utility model discloses a big difference in temperature air conditioning system of high efficiency of many cold sources is used for a plurality of end user's air conditioning system schematic diagram.
Fig. 3 is a schematic diagram of the multi-cold source high-efficiency large temperature difference air conditioning system for a temperature and humidity control system.
Fig. 4 is a schematic diagram of the multi-cold source high-efficiency large temperature difference air conditioning system for multiple users of the temperature and humidity control system.
Fig. 5 is a schematic diagram of the high-temperature water chiller set added to the high-efficiency large-temperature-difference air conditioning system with multiple cold sources.
Fig. 6 is a schematic diagram of a high-temperature water chiller set added to a multi-cold-source high-efficiency large-temperature-difference air conditioning system for a plurality of end users.
Fig. 7 is a schematic diagram of the multi-cold source high-efficiency large temperature difference air conditioning system of the present invention additionally provided with a high temperature water chilling unit for temperature and humidity control system.
Fig. 8 is a schematic diagram of the multi-cold source high-efficiency large temperature difference air conditioning system of the present invention additionally provided with a high temperature water chilling unit for multiple users of the temperature and humidity control system.
Detailed Description
According to the high-efficient big difference in temperature air conditioning system of many cold sources that fig. 1 shows, including cold source system and terminal system, the cold source system includes low temperature cooling water set (1), medium temperature cooling water set (9), low temperature cooling tower (7), medium temperature cooling tower (11), low temperature cooling water pump (8), medium temperature cooling water pump (12), low temperature ethylene glycol pump (2), medium temperature ethylene glycol pump (6), ice-storage tank (3), plate heat exchanger (4), terminal system includes cold water pump (5), terminal air conditioning equipment (10), low temperature cooling tower (7), low temperature cooling water pump (8), low temperature cooling water set (1) forms a loop, medium temperature cooling tower (11), medium temperature cooling water pump (12), medium temperature cooling water set (9) forms a loop, low temperature cooling water set (1), low temperature ethylene glycol pump (2), ice-storage device (3), plate heat exchanger (4), The medium-temperature glycol pump (6) and the medium-temperature water chilling unit (9) complete a loop, and the plate heat exchanger (4), the tail end air conditioning equipment (10) and the cold water pump (5) complete a loop.
Electric valve A is located medium temperature cooling water set (9) and electric valve B, electric valve C's intercommunication water pipe is last, electric valve B is located low temperature cooling water set (1) and electric valve C's intercommunication water pipe, electric valve C is located electric valve A and holds the intercommunication water pipe of ice chest (3), electric valve D is located electric valve E, the communicating pipe before electric valve F is on water, electric valve E is located the water pipe between low temperature ethylene glycol pump (2) and the multiple exit plate heat exchanger (4), electric valve F is located the water pipe between ice chest (3) and the multiple exit plate heat exchanger (4), electric valve G is located on the bypass pipe around low temperature ethylene glycol pump (2).
The ice storage working condition period at night of the low-temperature water chilling unit (1), the electric valves (A) (E) (F) (G) are closed, cooling water sequentially passes through the low-temperature cooling tower (7), the low-temperature cooling water pump (8) and the low-temperature water chilling unit (1) to complete an internal circulation, and glycol solution sequentially passes through the low-temperature water chilling unit (1), the electric valve (B), the electric valve (C), the ice storage device (3), the electric valve (D) and the low-temperature glycol pump (2) to complete an internal circulation.
In the daytime, the medium-temperature water chilling unit (9) and the ice storage device (3) jointly supply cold time, the electric valves (B) (D) (E) (G) are closed, cooling water sequentially passes through the medium-temperature cooling tower (11), the medium-temperature cooling water pump (12) and the medium-temperature water chilling unit (9) to complete internal circulation, ethylene glycol solution sequentially passes through the medium-temperature water chilling unit (9), the electric valves (A), the electric valves (C), the ice storage device (3), the electric valves (F), the plate heat exchanger (4) and the medium-temperature ethylene glycol pump (6) to complete internal circulation, and cold water sequentially passes through the cold water pump (5), the plate heat exchanger (4) and the tail-end air conditioning equipment (10) to complete internal circulation.
In the cold supply period of the combination of the medium-temperature water chilling unit (9) and the low-temperature water chilling unit (1) in the daytime, the electric valves (C) (D) (F) are closed, cooling water sequentially passes through the medium-temperature cooling tower (11), the medium-temperature cooling water pump (12) and the medium-temperature water chilling unit (9) to complete an internal circulation, cooling water sequentially passes through the low-temperature cooling tower (7), the low-temperature cooling water pump (8) and the low-temperature water chilling unit (1) to complete an internal circulation, glycol solution sequentially passes through the medium-temperature water chilling unit (9), the electric valve (A) and the electric valve, the low-temperature water chilling unit (1), the electric valve (G), the electric valve (E), the plate heat exchanger (4) and the medium-temperature ethylene glycol pump (6) complete an internal circulation, and cold water sequentially passes through the cold water pump (5), the plate heat exchanger (4) and the tail end air conditioning equipment (10) to complete an internal circulation.
According to the schematic diagram of the multi-cold-source efficient large-temperature-difference air conditioning system for the air conditioning systems of the end users, which is shown in fig. 2, the end system is additionally provided with the end plate type heat exchanger (15) and the end cold water pump (16), cold water sequentially passes through the cold water pump (5), the plate type heat exchanger (4) and the end plate type heat exchanger (15) to form an internal circulation, and the cold water sequentially passes through the end cold water pump (16), the plate type heat exchanger (15) and the end air conditioning equipment (10) to form an internal circulation.
According to the schematic diagram of the multi-cold-source high-efficiency large-temperature-difference air conditioning system for the temperature and humidity separate control system shown in fig. 3, according to project requirements, the tail end air conditioning equipment (10) is changed into a fresh air handling unit (13) and sensible heat tail end equipment (14), and the tail end air conditioning system is realized to be the temperature and humidity separate control system. The cold water sequentially passes through the fresh air unit (13), the sensible heat end equipment (14), the cold water pump (5) and the plate heat exchanger (4) to form an internal circulation.
According to the schematic diagram of a multi-cold-source efficient large-temperature-difference air conditioning system for multiple users of a temperature and humidity control system shown in fig. 4, a tail end system is additionally provided with a tail end plate type heat exchanger (15) and a tail end cold water pump (16), cold water sequentially passes through the cold water pump (5), the plate type heat exchanger (4) and the tail end plate type heat exchanger (15) to form an internal circulation, and the cold water sequentially passes through the tail end cold water pump (16), the tail end plate type heat exchanger (15), a fresh air unit (13) and sensible heat tail end equipment (14) to form an internal.
According to the schematic diagram of a multi-cold-source efficient large-temperature-difference air conditioning system shown in fig. 5, a high-temperature water chilling unit is additionally arranged, a high-temperature water chilling unit (18), a high-temperature cooling tower (20) and a high-temperature cooling water pump (19) are additionally arranged in the cold source system, wherein the high-temperature water chilling unit (18), the high-temperature cooling tower (20) and the high-temperature cooling water pump (19) form a loop, and the low-temperature water chilling unit (1), the low-temperature ethylene glycol pump (2), an ice storage device (3), a plate heat exchanger (4), a medium-temperature ethylene glycol pump (6), the high-temperature water chilling unit (18) and the.
According to the schematic diagram of a multi-cold-source efficient large-temperature-difference air conditioning system shown in fig. 6, a high-temperature water chilling unit is added for a plurality of end users, a high-temperature water chilling unit (18), a high-temperature cooling tower (20) and a high-temperature cooling water pump (19) are added for the cold source system, wherein the high-temperature water chilling unit (18), the high-temperature cooling tower (20) and the high-temperature cooling water pump (19) form a loop, and the low-temperature water chilling unit (1), the low-temperature glycol pump (2), the ice storage device (3), the plate heat exchanger (4), the medium-temperature glycol pump (6), the high-temperature water chilling unit (18) and the medium-temperature water.
According to the schematic diagram of a multi-cold-source efficient large-temperature-difference air conditioning system shown in fig. 7, a high-temperature water chilling unit is added for a temperature and humidity separate control system, a high-temperature water chilling unit (18), a high-temperature cooling tower (20) and a high-temperature cooling water pump (19) are added for the cold source system, wherein the high-temperature water chilling unit (18), the high-temperature cooling tower (20) and the high-temperature cooling water pump (19) form a loop, and the low-temperature water chilling unit (1), the low-temperature glycol pump (2), an ice storage device (3), a plate heat exchanger (4), an intermediate-temperature glycol pump (6), the high-temperature water chilling unit (18) and the intermediate-temperature.
According to a schematic diagram that a high-temperature water chilling unit is added to a multi-user temperature and humidity control system according to a multi-cold-source efficient large-temperature-difference air conditioning system shown in fig. 8, the high-temperature water chilling unit (18), a high-temperature cooling tower (20) and a high-temperature cooling water pump (19) are added to the cold source system, wherein the high-temperature water chilling unit (18), the high-temperature cooling tower (20) and the high-temperature cooling water pump (19) form a loop, and the low-temperature water chilling unit (1), the low-temperature glycol pump (2), the ice storage device (3), the plate heat exchanger (4), the medium-temperature glycol pump (6), the high-temperature water chilling unit (18) and the medium-.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited to the above embodiments, and the actual manufacturing structure of the present invention is not limited to the best embodiment, and any person can obtain other products in various forms under the teaching of the present invention, such as the adjustment of the number of low temperature water chilling units, the adjustment of the number of high temperature main units, the change of the position of the electric valve, the increase of other valves, the increase of the number of end users, the change of the conventional terminal and the parallel connection of the temperature and humidity control terminal, and all of the technical solutions that are the same or similar to the aforementioned structures are within the protection scope of the present invention.
Claims (6)
1. A multi-cold-source high-efficiency large-temperature-difference air conditioning system comprises a cold source system and a tail end system, wherein the cold source system comprises a low-temperature water chilling unit (1), a medium-temperature water chilling unit (9), a low-temperature cooling tower (7), a medium-temperature cooling tower (11), a low-temperature cooling water pump (8), a medium-temperature cooling water pump (12), a low-temperature ethylene glycol pump (2), a medium-temperature ethylene glycol pump (6), an ice storage tank (3) and a plate heat exchanger (4), and the tail end system comprises a cold water pump (5) and a tail end air conditioning device (; the low-temperature cooling tower (7), the low-temperature cooling water pump (8) and the low-temperature water chilling unit (1) form a loop, the medium-temperature cooling tower (11), the medium-temperature cooling water pump (12) and the medium-temperature water chilling unit (9) form a loop, the low-temperature water chilling unit (1), the low-temperature glycol pump (2), the ice storage tank (3), the plate heat exchanger (4), the medium-temperature glycol pump (6) and the medium-temperature water chilling unit (9) complete a loop, and the plate heat exchanger (4), the tail-end air conditioning equipment (10) and the cold water pump (5) complete a loop.
2. The air conditioning system as claimed in claim 1, wherein: the terminal air conditioning device (10) comprises: fan coil, air handling unit, fresh air handling unit.
3. The air conditioning system as claimed in claim 1, wherein: the conversion among the working conditions is realized through the electric valves A, the electric valves B, the electric valves C, the electric valves D, the electric valves E, the electric valves F and the electric valves G.
4. An air conditioning system as set forth in claim 3, wherein: electric valve A is located medium temperature cooling water set (9) and electric valve B, electric valve C's intercommunication water pipe is last, electric valve B is located low temperature cooling water set (1) and electric valve C's intercommunication water pipe, electric valve C is located electric valve A and holds the intercommunication water pipe of ice chest (3), electric valve D is located electric valve E, the well versed pipe before electric valve F is overwater, electric valve E is located the water pipe between low temperature ethylene glycol pump (2) and the multiple exit plate heat exchanger (4), electric valve F is located the water pipe between ice chest (3) and plate heat exchanger (4), electric valve G is located on the bypass pipe around low temperature ethylene glycol pump (2).
5. The air conditioning system as claimed in claim 1, wherein: and a tail end system is additionally provided with a tail end plate type heat exchanger (15) and a tail end cold water pump (16), wherein the cold water pump (5), the plate type heat exchanger (4) and the tail end plate type heat exchanger (15) form a loop, and the tail end cold water pump (16), the tail end plate type heat exchanger (15) and the tail end air conditioning equipment (10) form a loop.
6. The air conditioning system as claimed in claim 1, wherein: the cold source system is additionally provided with a high-temperature water chilling unit (18), a high-temperature cooling tower (20) and a high-temperature cooling water pump (19), wherein the high-temperature water chilling unit (18), the high-temperature cooling tower (20) and the high-temperature cooling water pump (19) form a loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920850373.6U CN210267584U (en) | 2019-06-06 | 2019-06-06 | Multi-cold-source efficient large-temperature-difference air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920850373.6U CN210267584U (en) | 2019-06-06 | 2019-06-06 | Multi-cold-source efficient large-temperature-difference air conditioning system |
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| Publication Number | Publication Date |
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| CN210267584U true CN210267584U (en) | 2020-04-07 |
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| CN201920850373.6U Active CN210267584U (en) | 2019-06-06 | 2019-06-06 | Multi-cold-source efficient large-temperature-difference air conditioning system |
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- 2019-06-06 CN CN201920850373.6U patent/CN210267584U/en active Active
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