CN217520101U - Low-energy-consumption four-pipe air conditioner refrigeration water pump circulating system - Google Patents
Low-energy-consumption four-pipe air conditioner refrigeration water pump circulating system Download PDFInfo
- Publication number
- CN217520101U CN217520101U CN202221458541.5U CN202221458541U CN217520101U CN 217520101 U CN217520101 U CN 217520101U CN 202221458541 U CN202221458541 U CN 202221458541U CN 217520101 U CN217520101 U CN 217520101U
- Authority
- CN
- China
- Prior art keywords
- water
- pipe
- hot water
- collector
- cold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a low energy consumption four-pipe air conditioner chilled water pump circulating system, which comprises a hot water collector, a cold water collector, a hot water separator and a cold water separator, wherein a collector bypass pipe is connected between the hot water collector and the cold water collector, and a separator bypass pipe is arranged between the hot water separator and the cold water separator; the hot water system is characterized by further comprising tail end heat exchange equipment, wherein a heating coil in the tail end heat exchange equipment is connected with a hot water distributor through a hot water distributor water supply pipe, and is connected with a hot water collector through a hot water collector water return pipe, and a cold coil in the tail end heat exchange equipment is connected with a cold water distributor through a cold water distributor water supply pipe, and is connected with a cold water collector through a cold water collector water return pipe. The utility model has the characteristics of can effectively reduce the energy consumption.
Description
Technical Field
The utility model relates to a four-pipe system air conditioner circulation system, especially a four-pipe system air conditioner chilled water pump circulation system of low energy consumption.
Background
With the continuous change of global patterns, the energy problem is increasingly prominent. For energy conservation and emission reduction, China also proposes a carbon neutralization process for realizing carbon peak reaching in the future and enters an important development stage of 30 and 60. The proportion of air conditioner energy consumption in building energy consumption is the biggest, and wherein the water pump is carried the energy consumption and is occupied and transfer 8 ~ 12% of total energy consumption, and how to reduce air conditioner water pump energy consumption also receives more and more attention from the trade. The air-conditioning comfort requirement of the five-star hotel is high, and the air-conditioning water system generally adopts a four-pipe water system. In summer, the hot water supply pipe and the heating coil pipe of the hotel are both in an idle state. During the conventional design, to four pipe water systems, air conditioner cold water pump and hot-water pump all carry out the resistance calculation according to independent water system, and can calculate the pipe diameter according to economic ratio friction resistance. Due to the fact that the service standard of the five-star hotel is high, an environment with high comfort degree needs to be provided, the operation time of the air conditioning system is long, and the energy consumption of the cold water pump is high. Therefore, the prior art has the problem of high energy consumption.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a four control air conditioner refrigeration water pump circulation systems of low energy consumption. The utility model has the characteristics of can effectively reduce the energy consumption.
The technical scheme of the utility model: a low-energy consumption four-pipe air-conditioning chilled water pump circulating system comprises a hot water collector, a cold water collector, a hot water separator and a cold water separator, wherein a collector bypass pipe is connected between the hot water collector and the cold water collector, and a separator bypass pipe is arranged between the hot water separator and the cold water separator;
the hot water system is characterized by further comprising tail end heat exchange equipment, wherein a heating coil in the tail end heat exchange equipment is connected with a hot water distributor through a hot water distributor water supply pipe, and is connected with a hot water collector through a hot water collector water return pipe, and a cold coil in the tail end heat exchange equipment is connected with a cold water distributor through a cold water distributor water supply pipe, and is connected with a cold water collector through a cold water collector water return pipe.
In the low-energy-consumption four-pipe air-conditioning chilled water pump circulating system, the water collector bypass pipe and the water distributor bypass pipe are respectively provided with the first electric two-position butterfly valve and the static balance valve.
In the low-energy-consumption four-pipe air-conditioning refrigeration water pump circulating system, the hot water collector is further provided with a hot water collector return main pipe, the hot water distributor is further provided with a hot water distributor water supply main pipe, and the hot water distributor water supply main pipe and the hot water collector return main pipe are respectively provided with a second electric double-position butterfly valve.
In the low-energy-consumption four-pipe air-conditioning chilled water pump circulating system, the heating coil in the tail-end heat exchange device is a first-stage refrigeration section, and the cooling coil is a second-stage refrigeration section.
In the low-energy consumption four-pipe air-conditioning refrigeration water pump circulating system, the tail end heat exchange equipment is an air conditioning unit and an indoor fan coil.
In the low-energy-consumption four-pipe air conditioner refrigerating water pump circulating system, the water inlet and outlet of the heating coil and the water outlet of the cooling coil in the air conditioning unit are both provided with the electric regulating valves.
In the low-energy-consumption four-pipe air-conditioning and refrigerating water pump circulating system, the electric two-way valves are respectively arranged at the water inlet and the water outlet of the heating coil and the water outlet of the cold coil in the indoor fan coil.
Compared with the prior art, the utility model discloses a set up the water collector bypass pipe between cold, hot water collector, set up the water knockout drum bypass pipe between cold, hot water knockout drum to set up first electronic dibit butterfly valve on water collector bypass pipe and water knockout drum bypass pipe, get into operating condition with hot-water line and heating coil in the terminal indirect heating equipment that realizes the free-standing, thereby change system pipe network resistance characteristic and reduce the frozen water pump energy consumption. Specifically, under the working condition of summer, a building (such as a five-star hotel) has no heat supply demand, a hot water supply and return pipe and a heating coil of tail end heat exchange equipment in a four-pipe system are both in an empty state, and partial chilled water is distributed to the hot water supply pipe and the heating coil for heat exchange through a bypass pipe and a bypass valve, namely, a cold water pipe and a cold water coil of the four-pipe air conditioning system are used for simultaneously supplying cold in summer, so that the pipe diameter of the water pipe and the cold exchange area are greatly increased, the cold supply effect is met, and meanwhile, the resistance of chilled water in the pipeline is greatly reduced, so that the lift of a chilled water pump is greatly reduced, and the running energy consumption of the chilled water pump is saved; this application has not only increased heat transfer area promptly, through increasing circulating line, reduces the pipe network velocity of flow moreover, and then realizes reducing the purpose of carrying the energy consumption. The utility model discloses have very obvious energy-conserving potentiality, can all extensively use widely in the transformation of existing building and the energy-conserving design of newly-built building. To sum up, the utility model has the characteristics of can effectively reduce the energy consumption.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a structural view of an air conditioning unit;
FIG. 3 is a structural view of an indoor fan coil.
The labels in the figures are: 1-a hot water collector, 2-a cold water collector, 3-a hot water separator, 4-a cold water separator, 5-a collector bypass pipe, 6-a separator bypass pipe, 7-a terminal heat exchange device, 8-a hot water separator supply pipe, 9-a hot water collector return pipe, 10-a cold water separator supply pipe, 11-a cold water collector return pipe, 12-a first electric two-position butterfly valve, 13-a static balance valve, 14-a hot water collector return main pipe, 15-a hot water separator supply main pipe, 16-a second electric two-position butterfly valve, 17-an electric regulating valve, and 18-an electric two-way valve.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. A low-energy consumption four-pipe air conditioner chilled water pump circulating system is formed as shown in figures 1 to 3 and comprises a hot water collector 1, a cold water collector 2, a hot water separator 3 and a cold water separator 4, wherein a collector bypass pipe 5 is connected between the hot water collector 1 and the cold water collector 2, and a separator bypass pipe 6 is arranged between the hot water separator 3 and the cold water separator 4;
the water heater further comprises a tail-end heat exchange device 7, a heating coil in the tail-end heat exchange device 7 is connected with a hot water separator 3 through a hot water separator water supply pipe 8, and is connected with a hot water collector 1 through a hot water collector water return pipe 9, a cold coil in the tail-end heat exchange device 7 is connected with a cold water separator 4 through a cold water separator water supply pipe 10, and is connected with a cold water collector 2 through a cold water collector water return pipe 11.
And the water collector bypass pipe 5 and the water distributor bypass pipe 6 are respectively provided with a first electric two-position butterfly valve 12 and a static balance valve 13.
The hot water collector 1 is also provided with a hot water collector return main pipe 14, the hot water separator 3 is also provided with a hot water separator water supply main pipe 15, and the hot water separator water supply main pipe 15 and the hot water collector return main pipe 14 are both provided with a second electric double-position butterfly valve 16.
And a heating coil in the tail-end heat exchange device 7 is a first-stage refrigeration section, and a cold coil is a second-stage refrigeration section.
The terminal heat exchange device 7 is an air conditioning unit and an indoor fan coil.
Electric regulating valves 17 are arranged at the water inlet and the water outlet of the heating coil and the cold coil in the air conditioning unit.
And electric two-way valves 18 are arranged at the water inlet and the water outlet of the heating coil and the cold coil in the indoor fan coil.
The air conditioning unit comprises a box body, and a mixing section, a filtering section, a heating section, a surface cooling section and a fan section are sequentially arranged in the box body; a heating coil is arranged in the heating section, and a cooling coil is arranged in the surface cooling section; the heating section is connected with a hot water distributor through a hot water distributor water supply pipe, is connected with a hot water collector through a hot water collector water return pipe, and the surface cooling section is connected with a cold water distributor through a cold water distributor water supply pipe and is connected with a cold water collector through a cold water collector water return pipe.
The fan coil comprises a fan, a heating section and a surface cooling section which are arranged in sequence; a heating coil is arranged in the heating section, and a cooling coil is arranged in the surface cooling section. The heating section is connected with a hot water distributor through a hot water distributor water supply pipe, is connected with a hot water collector through a hot water collector water return pipe, and the surface cooling section is connected with a cold water distributor through a cold water distributor water supply pipe and is connected with a cold water collector through a cold water collector water return pipe.
The diameter of the bypass pipe of the water collecting and separating device is D273x 7.
Under the cold supply operating mode, open the electronic dibit butterfly valve of first on water knockout drum bypass pipe and the water collector bypass pipe, close the electronic dibit butterfly valve of second on hot water knockout drum water supply main pipe and the hot water collector return water main pipe, the refrigerated water flow of part distribution gets into the hot water knockout drum through the water knockout drum bypass pipe, send to heating coil department in the terminal heat transfer equipment through the hot water knockout drum delivery pipe again and carry out the heat transfer, at last flow to the hot water collector through the hot water collector return pipe, flow to cold water collector through the water collector bypass pipe again.
When the fan coil temperature control panel is in a refrigerating state, when the indoor temperature is higher than the set temperature of a room, the electric two-way valves at the cold coil and the hot coil on the indoor fan coil are opened simultaneously, and the first-stage and second-stage cold supply sections are in a refrigerating working condition simultaneously; when the indoor temperature reaches the set temperature of the room, the electric two-way valves at the cold coil and the hot coil are closed simultaneously. When the air conditioning unit (unit) is in a refrigerating state, the air supply temperature of the air conditioning unit is set according to the load condition, the air supply temperature is maintained to be set by adjusting the opening degree of a proportional-integral electric adjusting water valve arranged on each water return pipe (a cold water return pipe and a hot water return pipe of the air conditioning unit), and the cold coil electric adjusting valve and the hot coil electric adjusting valve are adjusted in a consistent mode.
According to the fig. 2 and 3, the positions of the heating section and the surface cooling section are adjusted by the terminal heat exchange device (air conditioning unit, indoor fan coil), so that the heating section (heating coil) can be used as a first-stage cooling section for processing air and bearing latent heat load and sensible heat load of parts in a room; the surface cooling section (cooling coil) is used as a second-stage refrigeration section to undertake refrigeration and temperature reduction in the room. After the adjustment, the cooling effect can be effectively improved, and the energy-saving effect can be improved.
Claims (7)
1. The utility model provides a four pipe system air conditioner refrigeration water pump circulation systems of low energy consumption which characterized in that: the hot water system comprises a hot water collector (1), a cold water collector (2), a hot water distributor (3) and a cold water distributor (4), wherein a collector bypass pipe (5) is connected between the hot water collector (1) and the cold water collector (2), and a distributor bypass pipe (6) is arranged between the hot water distributor (3) and the cold water distributor (4);
the water heater is characterized by further comprising a tail-end heat exchange device (7), wherein a heating coil in the tail-end heat exchange device (7) is connected with a hot water distributor (3) through a hot water distributor water supply pipe (8), and is connected with a hot water collector (1) through a hot water collector water return pipe (9), and a cold coil in the tail-end heat exchange device (7) is connected with a cold water distributor (4) through a cold water distributor water supply pipe (10) and is connected with a cold water collector (2) through a cold water collector water return pipe (11).
2. The low energy consumption four-pipe air conditioner refrigeration water pump circulation system of claim 1, characterized in that: and the water collector bypass pipe (5) and the water distributor bypass pipe (6) are respectively provided with a first electric two-position butterfly valve (12) and a static balance valve (13).
3. The low energy consumption four-pipe air conditioner chilled water pump circulation system of claim 1, wherein: the hot water collector (1) is also provided with a hot water collector return main pipe (14), the hot water distributor (3) is also provided with a hot water distributor water supply main pipe (15), and the hot water distributor water supply main pipe (15) and the hot water collector return main pipe (14) are both provided with a second electric double-position butterfly valve (16).
4. The low energy consumption four-pipe air conditioner refrigeration water pump circulation system of claim 1, characterized in that: and a heating coil in the tail-end heat exchange equipment (7) is a first-stage refrigeration section, and a cold coil is a second-stage refrigeration section.
5. The low energy consumption four-pipe air conditioner refrigeration water pump circulation system of claim 1, characterized in that: the terminal heat exchange equipment (7) is an air conditioning unit and an indoor fan coil.
6. The low energy consumption four-pipe air conditioner refrigeration water pump circulation system of claim 5, characterized in that: electric control valves (17) are arranged at the water inlet and the water outlet of the heating coil and the water outlet of the cooling coil in the air conditioning unit.
7. The low energy consumption four-pipe air conditioner refrigeration water pump circulation system of claim 5, characterized in that: and electric two-way valves (18) are arranged at the water inlet and the water outlet of the heating coil and the cold coil in the indoor fan coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221458541.5U CN217520101U (en) | 2022-06-09 | 2022-06-09 | Low-energy-consumption four-pipe air conditioner refrigeration water pump circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221458541.5U CN217520101U (en) | 2022-06-09 | 2022-06-09 | Low-energy-consumption four-pipe air conditioner refrigeration water pump circulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217520101U true CN217520101U (en) | 2022-09-30 |
Family
ID=83391171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221458541.5U Active CN217520101U (en) | 2022-06-09 | 2022-06-09 | Low-energy-consumption four-pipe air conditioner refrigeration water pump circulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217520101U (en) |
-
2022
- 2022-06-09 CN CN202221458541.5U patent/CN217520101U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102278795B (en) | Central air-conditioning air supply system adopting double cooling coils | |
| CN110608495A (en) | Multi-adjustment-mode integrated air conditioning system and working method thereof | |
| CN108662714B (en) | Independent fresh air unit of air energy heat pump heat recovery | |
| CN101769575B (en) | Evaporating semi-centralized air-conditioning system combined with usual cold water machine set as cold source | |
| CN211823022U (en) | Waste heat recovery system of data center brand-new air conditioning system | |
| CN209944505U (en) | Self-adaptive heating device for recycling condensation heat of air conditioner of machine room | |
| CN108626836B (en) | Independent fresh air handling unit with air energy heat pump heat recovery and humidification functions | |
| CN204404419U (en) | Realize the combined air-conditioning system of independent temperature-humidity control | |
| CN1243936C (en) | Variable capacity one-driving-many control technique | |
| CN217520101U (en) | Low-energy-consumption four-pipe air conditioner refrigeration water pump circulating system | |
| JP5096803B2 (en) | Air conditioning system | |
| CN115654617A (en) | Residential fifth-constant method based on central heating | |
| CN214038734U (en) | Temperature and humidity adjusting system and station structure | |
| CN213713339U (en) | Dehumidification refrigeration integral type air conditioning system | |
| CN204460538U (en) | A kind of intelligent cold-warm water air-conditioning | |
| CN204665540U (en) | A kind of fan coil with cold-storage device and flooring radiation combined air conditioning system | |
| CN113803816A (en) | Water source VRF air conditioning system coupled with all-year cooling system and use method thereof | |
| CN209706379U (en) | Integral air conditioner device systems | |
| CN209639153U (en) | A kind of multi-element type recovery type heat air-conditioning system | |
| CN210014503U (en) | Heat exchange device and heat pump air conditioning system with same | |
| CN203586604U (en) | Three-in-one air conditioning and hot water supplying device | |
| CN201680517U (en) | Semi-centralized evaporation cooling composite air-conditioning system | |
| CN105605818A (en) | Double-working-condition air conditioner | |
| CN2694162Y (en) | Capacity variable central air conditioner with one outdoor unit and multiple indoor units | |
| CN205332583U (en) | Duplex condition air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |