CN220061986U - Combined type water source comprehensive utilization energy-saving air conditioning system - Google Patents
Combined type water source comprehensive utilization energy-saving air conditioning system Download PDFInfo
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- CN220061986U CN220061986U CN202321465132.2U CN202321465132U CN220061986U CN 220061986 U CN220061986 U CN 220061986U CN 202321465132 U CN202321465132 U CN 202321465132U CN 220061986 U CN220061986 U CN 220061986U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 203
- 238000004378 air conditioning Methods 0.000 title claims abstract description 16
- 239000002352 surface water Substances 0.000 claims abstract description 33
- 239000003673 groundwater Substances 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 239000002349 well water Substances 0.000 claims description 35
- 235000020681 well water Nutrition 0.000 claims description 35
- 239000004576 sand Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 description 18
- 238000005057 refrigeration Methods 0.000 description 13
- 238000001816 cooling Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The energy-saving air conditioning system for comprehensive utilization of composite water source is characterized by that in the internal circulation pipeline a fifth to eighth electromagnetic valve is mounted, between fifth and seventh electromagnetic valve, fifth and sixth electromagnetic valve, sixth and eighth electromagnetic valve and seventh and eighth electromagnetic valve a surface water outlet pipe, an evaporator, a water supply pipe and a condenser are respectively connected, and after the water supply pipe is passed through the room, the water supply pipe is connected with load side water pump; the external circulation pipeline is provided with a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a surface water inlet pipe, an evaporator, a load side water pump and a condenser which are respectively connected among the first electromagnetic valve, the third electromagnetic valve, the first electromagnetic valve, the second electromagnetic valve, the fourth electromagnetic valve and the third electromagnetic valve; the underground water inlet pipe and the underground water outlet pipe are connected into the condenser and the evaporator by adopting separate pipelines, separate electromagnetic valves are arranged on the pipelines to control the corresponding units to inlet and outlet water, the number of the double-station water chilling units is two or more than two, the ground water source is preferentially used according to actual conditions, the underground water source is used as an auxiliary water source, and the water source is flexibly used to improve the energy efficiency.
Description
Technical Field
The utility model belongs to the technical field of air conditioner refrigerating systems, and particularly relates to a composite water source comprehensive utilization energy-saving air conditioner system.
Background
With popularization of a water source heat pump, the water source heat pump is widely known as an air conditioning system for providing cold and hot loads and domestic hot water for a building, and an underground water cooling heat source is a good low-level heat source, but with improvement of environmental awareness and consumption of fresh water resources, the utilization of the underground water resource is saved, and meanwhile, energy is required to be extracted for obtaining the underground water source, so that the cost is increased, the water source heat pump system is also required to be introduced into a surface water source, and the surface water cooling heat source is also a good low-level heat source, but the technical problem is gradually highlighted in the application process. The first and winter machine set water inlet temperature is too low, the machine set is stopped for protection, the running condition in summer is good in view of the actual running of the current water source heat pump system in China, and the problems of large flow, small temperature difference and low hot water outlet temperature are commonly existed in winter heat supply because the surface water temperature is low in winter. Secondly, the water body has limited heat bearing capacity, and the requirements of cold and hot loads cannot be met. In the vast southern areas of China, the cold load is far greater than the heat load, and because the influence of surface water on the cold supply capacity is greater than the influence of heat supply capacity, the water source heat pump is limited in refrigeration in summer when the surface water quantity is limited. Therefore, when surface water is adopted for heating in winter, the conditions of too low water temperature, machine set halt and the like occur, and when groundwater is adopted for refrigerating and heating all the year round, the water consumption required by the project is extremely large, and the problem of too large groundwater consumption can be caused.
Disclosure of Invention
In order to overcome the defects, the composite water source comprehensive utilization energy-saving air conditioning system is provided, can be flexibly applied to the underground water source and the surface water source, is automatically combined according to actual conditions, preferentially uses the surface water source, is assisted by the underground water source, adopts the composite water source combining the surface water and the underground water to refrigerate in summer, adopts river water to refrigerate in summer, and adopts well water to supplement refrigeration under the condition of insufficient river water quantity or adopts well water and river water to mix for refrigeration under the condition of higher river water temperature so as to improve the energy efficiency of a unit. When the river water temperature is too low, groundwater is utilized for heating, and the well water is stable in annual temperature. The external switching type double-working-condition water chilling unit is adopted, and the operation mode switching of the summer refrigerating unit and the winter heating unit is completed by mutually switching the electromagnetic valve groups.
The technical scheme adopted by the utility model for achieving the purpose is as follows: provides a composite water source comprehensive utilization energy-saving air conditioning system. The system comprises a ground water inlet pipe, a surface water inlet pipe, a double-working-condition water chilling unit, a ground water outlet pipe and a surface water outlet pipe, wherein the internal circulation pipeline is provided with fifth to eighth electromagnetic valves, and the surface water outlet pipe is connected between the fifth electromagnetic valve and the seventh electromagnetic valve; an evaporator is connected between the fifth electromagnetic valve and the sixth electromagnetic valve; a water supply pipe is connected between the sixth electromagnetic valve and the eighth electromagnetic valve, and the water supply pipe passes through the room and is connected with a load side water pump; a condenser is connected between the seventh electromagnetic valve and the eighth electromagnetic valve; the external circulation pipeline is provided with first to fourth electromagnetic valves, and a surface water inlet pipe is connected between the first electromagnetic valve and the third electromagnetic valve; an evaporator is connected between the first electromagnetic valve and the second electromagnetic valve; a load side water pump is connected between the second electromagnetic valve and the fourth electromagnetic valve; a condenser is connected between the third electromagnetic valve and the fourth electromagnetic valve;
the underground water inlet pipe and the underground water outlet pipe are connected into a condenser and an evaporator of the double-station water chilling unit by adopting separate pipelines;
the method comprises the steps that independent electromagnetic valves are arranged on all pipelines connected with a condenser and an evaporator of a double-station water chilling unit, and the electromagnetic valves control water inlet and outlet of the condenser and the evaporator of the double-station water chilling unit;
the number of the double-working-condition water chilling units is two or more than two.
The utility model relates to a composite water source comprehensive utilization energy-saving air conditioning system, which has the further preferable technical scheme that: the underground water inlet pipe is connected with a water taking well, and a well water pump and a cyclone sand remover are arranged on the underground water inlet pipe.
The utility model relates to a composite water source comprehensive utilization energy-saving air conditioning system, which has the further preferable technical scheme that: the tail end of the underground water outlet pipe is connected to the water return well.
The utility model relates to a composite water source comprehensive utilization energy-saving air conditioning system, which has the further preferable technical scheme that: the front end of the surface water inlet pipe is connected with a river pump and then connected to a water collecting tank, the water collecting tank is communicated with a river, and a rotational flow sand remover is arranged at the rear end of the river pump.
Compared with the prior art, the technical scheme of the utility model has the following advantages/beneficial effects:
1. the underground water source and the surface water source are flexibly applied, the surface water source is automatically combined according to actual conditions, the surface water source is preferentially used, the underground water source is assisted, a composite water source combining the surface water and the underground water is adopted, river water refrigeration is adopted in summer, river water is used for heating under the condition that the water temperature of the river water is met in transitional seasons, when the water temperature of the river water is too low, the underground water is used for heating, and the well water is stable in annual temperature. The external switching type double-working-condition water chilling unit is adopted, and the operation mode switching of the summer refrigerating unit and the winter heating unit is completed by mutually switching the electromagnetic valve groups.
2. Under the condition of insufficient river water quantity or higher river water temperature, after the refrigeration effect is affected, the electromagnetic valve of the river water inlet pipeline of the condenser of the partial unit is closed, and well water is opened, so that the unit energy efficiency is improved, and the mode that the partial unit uses river water and the partial unit uses well water can be maintained, so that balance is realized.
3. The heating requirement is smaller than the cooling requirement, and only part of units can be started in winter, so that the units can work in turn, and the heat supply is not stopped when part of idle units are stopped for maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a combined water source comprehensive utilization energy-saving air conditioning system.
The marks in the figure are respectively: 1. an external circulation pipeline 101, a first electromagnetic valve 102, a second electromagnetic valve 103, a third electromagnetic valve 104 and a fourth electromagnetic valve
2. Internal circulation line 201, fifth solenoid valve 202, sixth solenoid valve 203, seventh solenoid valve 204, eighth solenoid valve
3. Groundwater inlet pipe 301, water intake well 302, well water pump 303, sand remover
4. Underground water outlet pipe 401. Backwater well
5. Surface water inlet pipe 501, water collecting tank 502, river water pump 503, cyclone sand remover
6. Surface water outlet pipe
7. Double-working-condition water chiller 701, condenser 702, evaporator
8. Load side water pump
9. Water collector
10. Water knockout drum
11. Air conditioner terminal equipment
12. And a water supply pipe.
Detailed Description
To make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Accordingly, the detailed description of the embodiments of the utility model provided below is not intended to limit the scope of the utility model as claimed, but is merely representative of selected embodiments of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in the following figures.
Examples:
as shown in fig. 1, a composite water source comprehensive utilization energy-saving air conditioning system comprises a ground water inlet pipe 3, a surface water inlet pipe 5, a double-station water chilling unit 7, a ground water outlet pipe 4 and a surface water outlet pipe 6, wherein an inner circulation pipeline 2 is provided with fifth to eighth electromagnetic valves to divide the inner circulation pipeline into four sections, namely an inner section A: the fifth electromagnetic valve 201-the seventh electromagnetic valve 203 are connected with the surface water outlet pipe 6; inner section B: the evaporator 702 is connected between the fifth electromagnetic valve 201 and the sixth electromagnetic valve 202; inner C section: a water supply pipe 12 is connected between the sixth electromagnetic valve 202 and the eighth electromagnetic valve 204, the water supply pipe 12 passes through a room and is connected with a load side water pump 8 (the load side water pump 8 is connected with a water collector 9, the water supply pipe 12 is connected with a water separator 10, an air conditioner terminal device 11 is connected with the water collector 9 and the water separator 10, and the water collector 9 is communicated with the water separator 10); the inner section D, between the seventh electromagnetic valve 203 and the eighth electromagnetic valve 204, is connected with a condenser 701; the outer circulation pipeline is provided with first to fourth electromagnetic valves which divide the outer circulation pipeline into four sections, namely an outer section A: the first electromagnetic valve 101 and the third electromagnetic valve 103 are connected with a surface water inlet pipe 5; outer section B: the evaporator 702 is connected between the first electromagnetic valve 101 and the second electromagnetic valve 102; outer C section: the load side water pump 8 is connected between the second electromagnetic valve 102 and the fourth electromagnetic valve 104; outer D section: a condenser 701 is connected between the third electromagnetic valve 103 and the fourth electromagnetic valve 104;
the groundwater inlet pipe 3 and the groundwater outlet pipe 4 are connected into the condenser 701 and the evaporator 702 of the double-station chiller 7 by adopting separate pipelines;
separate electromagnetic valves are arranged on all pipelines connected with the condenser 701 and the evaporator 702 of the double-station water chilling unit 7, and the electromagnetic valves control the water inlet and outlet of the condenser 701 and the evaporator 702 of the double-station water chilling unit 7; the switching of well water and river water can be controlled through the opening and closing of the electromagnetic valve, the well water and river water can be reasonably controlled to be used simultaneously according to actual conditions, the double-station water chilling unit 7 is in the optimal working condition due to reasonable proportion, the electromagnetic valve controls the start and stop of the double-station water chilling unit 7, reasonable distribution equipment is realized, and the lowest energy consumption and water source consumption operation are realized.
The number of the double-station water chilling units 7 is two or more, and the scenes of controlling start and stop and the common use of river water and well water are correspondingly realized. The utility model can also maintain the mode that part of units use river water and part of units use well water, such as the mode that the first double-working-condition water chiller continuously uses river water and the second double-working-condition water chiller continuously uses well water, so as to realize continuous operation and ensure the most basic refrigeration or heating requirement.
The underground water inlet pipe 3 is connected with the water taking well 301, the underground water inlet pipe 3 is provided with a well water pump 302 and a sand remover 303, the water quality is purified, the pipeline is prevented from being blocked, and the sand remover 303 is generally arranged in a machine room together with the water pump.
The tail end of the underground water outlet pipe 4 is connected to a water return well 401, and circulated well water is refilled, so that underground water resources can be returned to the ground.
The front end of the surface water inlet pipe 5 is connected with a river pump 502 and then connected to a water collecting tank 501, the water collecting tank 501 is communicated with a river, a rotational flow sand remover 503 is arranged at the rear end of the river pump 502, a liquid level detector can be arranged in the water collecting tank 501 to detect whether the river is surplus or not, and preliminary water quality purification can be realized in a fence mode before the water collecting tank 501
The whole system can be further provided with a controller (control system) to realize automatic control, wherein the controller comprises well water and river water switching and start-stop control of the double-station water chilling unit 7, and is connected with all electromagnetic valves and used for controlling switching of a refrigerating and heating mode by completely closing any valve, and well water and river water switching is adopted. The cold meter is arranged on the water inlet pipes of river water and well water (the water inlet pipe of the total river water or well water), and the controller is electrically connected with the cold meter. Meanwhile, the controller is connected with the electromagnetic valve of the double-working-condition water chilling unit 7, so that the running number of the double-working-condition water chilling unit 7 can be controlled conveniently, the controller is electrically connected with the liquid level detector, whether a water source is sufficient or not is judged, and well water is used in a supplementing mode if the water source is insufficient.
The water is used as cooling water for an air conditioning system in summer. River water is treated by programs such as sand removal, sand setting, water treatment and the like and then directly enters the unit, so that the heat exchange efficiency of the unit is improved, and the energy efficiency ratio of the system is improved. In winter, well water is heated, is pumped into a refrigerating machine room by a deep well pump, is treated by a cyclone sand remover 503 and enters a double-station water chilling unit 7 for heating. And the temperature and flow of the well water and the well water are fed back through the cold and heat meter on the well water and the river water pipeline, when the river water is adopted for refrigeration in summer, the well water is switched to be used for supplementary refrigeration under the condition of insufficient river water quantity or the well water and the river water are switched to be used for mixed refrigeration under the condition of higher river water temperature, so that the energy efficiency of the unit is improved. Under the condition that the river water temperature meets the transitional season, the river water is used for heating, and the specific conditions are as follows:
1. under the condition that the river water quantity is sufficient in summer, opening a river water pipeline, namely opening the second electromagnetic valve 102, the third electromagnetic valve 103, the sixth electromagnetic valve 202 and the seventh electromagnetic valve 203; the first solenoid valve 101, the fourth solenoid valve 104, the fifth solenoid valve 201 and the eighth solenoid valve 204 are closed, namely, the solenoid valves (connection between the condenser 701 and the external circulation pipeline and the internal circulation pipeline 2) for river water to enter and exit the condenser 701 are opened, the solenoid valves for river water to enter and exit the evaporator 702 are closed, the pipelines for well water to enter and exit the condenser 701 and the evaporator 702 are closed, and the connection between the evaporator 702 and the external circulation pipeline and the internal circulation pipeline 2 is opened (at this time, the internal circulation is realized between the evaporator 702 and the chilled water pump, and the closed circulation of the refrigerant is realized). The river water pump 502 and four double-working-condition water chilling units 7 are started (the common refrigeration needs to be met by running all the double-working-condition water chilling units 7), after the river water is treated, the river water enters the unit for refrigeration, then the river water returns to the river through the surface water outlet pipe 6, four water pumps on the load side are started, and the chilled water enters the tail end of the air conditioner for refrigeration.
2. Under the condition of insufficient river water in summer, the electromagnetic valve of the partial double-station water chilling unit 7, which is used for allowing river water to enter the condenser 701, is closed on the basis of the scheme 1, and well water can naturally be refilled through the underground water outlet pipe 4 instead of being cooled by allowing well water to enter the condenser 701.
3. Under the condition that the water flow temperature in summer is too high, the electromagnetic valves of all double-working-condition water chilling units 7, which are used for enabling the water flow to enter the condenser 701, are closed on the basis of the scheme 1, and well water is replaced to enter the condenser 701 for refrigeration.
4. Heating by adopting well water in winter, and closing a river water pipeline, namely closing a first electromagnetic valve 101, a second electromagnetic valve 102, a third electromagnetic valve 103, a fifth electromagnetic valve 201, a sixth electromagnetic valve 202 and a seventh electromagnetic valve 203; the fourth electromagnetic valve 104 and the eighth electromagnetic valve 204 are opened, namely, the electromagnetic valves of the river water entering and exiting the condenser 701 and the evaporator 702 (the connection between the condenser 701 and the evaporator 702 and the external circulation pipeline and the internal circulation pipeline 2) are closed, the pipeline of the well water entering and exiting the evaporator 702 is opened, the connection between the condenser 701 and the external circulation pipeline and the connection between the condenser 701 and the internal circulation pipeline 2 are opened (at the moment, the internal circulation between the condenser 701 and the chilled water pump are realized, and when the closed circulation of heating agent is realized), and the hot water enters the tail end of the air conditioner for heating. The well water pump 302 and the plurality of double-station water chilling units 7 are started (the number of the double-station water chilling units 7 for heating can be selected according to actual demands, generally, four groups of double-station water chilling units 7 only need 2-3 groups of double-station water chilling units 7 for heating), well water enters the unit for heating after being treated, and then is recharged through the underground water outlet pipe 4.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply indicating that the first feature is at a lower level than the second feature.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that the above-mentioned preferred embodiment should not be construed as limiting the utility model, and the scope of the utility model should be defined by the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (4)
1. The combined water source comprehensive utilization energy-saving air conditioning system is characterized by comprising a ground water inlet pipe, a surface water inlet pipe, a double-station water chilling unit, a ground water outlet pipe and a surface water outlet pipe, wherein fifth to eighth electromagnetic valves are arranged on an internal circulation pipeline, and the surface water outlet pipe is connected between the fifth electromagnetic valve and the seventh electromagnetic valve; an evaporator is connected between the fifth electromagnetic valve and the sixth electromagnetic valve; a water supply pipe is connected between the sixth electromagnetic valve and the eighth electromagnetic valve, and the water supply pipe passes through the room and is connected with a load side water pump; a condenser is connected between the seventh electromagnetic valve and the eighth electromagnetic valve; the external circulation pipeline is provided with first to fourth electromagnetic valves, and a surface water inlet pipe is connected between the first electromagnetic valve and the third electromagnetic valve; an evaporator is connected between the first electromagnetic valve and the second electromagnetic valve; a load side water pump is connected between the second electromagnetic valve and the fourth electromagnetic valve; a condenser is connected between the third electromagnetic valve and the fourth electromagnetic valve;
the underground water inlet pipe and the underground water outlet pipe are connected into the condenser and the evaporator of the double-station water chilling unit by adopting independent pipelines, and independent electromagnetic valves are arranged on all pipelines connected with the condenser and the evaporator of the double-station water chilling unit and control the condenser and the evaporator of the double-station water chilling unit to inlet and outlet water;
the number of the double-working-condition water chilling units is two or more than two.
2. The energy-saving air conditioning system for comprehensive utilization of composite water source according to claim 1, wherein the groundwater inlet pipe is connected with a water intake well, and a well water pump and a cyclone sand remover are arranged on the groundwater inlet pipe.
3. The energy-saving air conditioning system for combined water source comprehensive utilization according to claim 1, wherein the tail end of the underground water outlet pipe is connected to a water return well.
4. The energy-saving air conditioning system for comprehensive utilization of composite water source according to claim 1, wherein the front end of the surface water inlet pipe is connected with a river pump and then connected to a water collecting tank, the water collecting tank is communicated with a river, and a rotational flow sand remover is arranged at the rear end of the river pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321465132.2U CN220061986U (en) | 2023-06-09 | 2023-06-09 | Combined type water source comprehensive utilization energy-saving air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321465132.2U CN220061986U (en) | 2023-06-09 | 2023-06-09 | Combined type water source comprehensive utilization energy-saving air conditioning system |
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| Publication Number | Publication Date |
|---|---|
| CN220061986U true CN220061986U (en) | 2023-11-21 |
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ID=88751762
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321465132.2U Active CN220061986U (en) | 2023-06-09 | 2023-06-09 | Combined type water source comprehensive utilization energy-saving air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220061986U (en) |
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2023
- 2023-06-09 CN CN202321465132.2U patent/CN220061986U/en active Active
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