CN115854450A - Exhaust method and system for open type transmission and distribution system of ice or water cold storage air conditioner of building - Google Patents
Exhaust method and system for open type transmission and distribution system of ice or water cold storage air conditioner of building Download PDFInfo
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- CN115854450A CN115854450A CN202310189725.9A CN202310189725A CN115854450A CN 115854450 A CN115854450 A CN 115854450A CN 202310189725 A CN202310189725 A CN 202310189725A CN 115854450 A CN115854450 A CN 115854450A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses an exhaust method and an exhaust system of an open type transmission and distribution system of a building ice or chilled water storage air conditioner, wherein the exhaust method of the open type fluid transmission and distribution system of the building ice or chilled water storage air conditioner comprises the following steps: closing the circulating water pump, and opening the water replenishing pump and the exhaust valve to make the fluid flow out from the tail end of the branch pipeline; and closing the water replenishing pump and the exhaust valve, and opening the vacuum machine to enable the fluid to flow out of the tail end of the exhaust pipeline. The exhaust method of the open fluid transmission and distribution system of the ice or water cold accumulation air conditioner for the building can effectively solve the problem that the exhaust valve cannot thoroughly exhaust accumulated air.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to an exhaust method and an exhaust system of an open type transmission and distribution system of a building ice or water cold accumulation air conditioner.
Background
The ice storage air conditioner makes ice by utilizing the low valley load power at night and stores the ice in an ice storage device, stores cold energy by utilizing the phase change latent heat of the ice, and releases the stored cold energy by melting ice at daytime so as to reduce the power load of the air conditioner and the installed capacity of an air conditioning system during the peak time of a power grid. After the ice cold storage air conditioner or the water cold storage air conditioner is installed, the air conditioner construction is usually debugged and operated.
Pipes are commonly used to transport cold or hot water to end user air conditioning units and when transporting water, air may be present in the pipes when the water supply pipe is at a level above the free surface of the water supply tank. Specifically, the pipeline contains gas in the water filling stage, a large amount of gas can be generated in the operation, if the gas cannot be smoothly discharged, the water flow cross section is reduced and the water resistance is increased, so that the water flow pressure instability is caused, and if the gas is heavy, the water flow is blocked, even the pipe explosion accident is caused, so that the great economic loss is brought.
An exhaust valve is usually arranged at the high point of a pipeline of the existing building transmission and distribution system, and when air in the pipeline passes through the exhaust valve along with water flow, the air can be automatically exhausted. However, for an open system with a free liquid level lower than the highest point, in actual operation, the highest point is in a negative pressure operation state, the exhaust valve is in a closed state, the exhaust effect cannot be achieved, and when the flow rate of liquid in the pipeline is high, air is in a foam shape or an annular shape. Therefore, the fluid in the transmission and distribution pipeline system always runs in a gas state, so that the energy efficiency of the transmission and distribution system is reduced and even the running accident happens.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an exhaust method of an open type transmission and distribution system of a building ice or water cold accumulation air conditioner, which can effectively solve the problem that an exhaust valve cannot thoroughly exhaust accumulated air.
The invention also provides an open type transmission and distribution system of the building ice or water cold accumulation air conditioner.
An exhaust method of an open transmission and distribution system of building ice or chilled water storage air conditioners according to an embodiment of a first aspect of the present invention is for evacuating gas of the open transmission and distribution system of building ice or chilled water storage air conditioners, comprising: the water supply pipeline is communicated with the user equipment and the water pool at two ends respectively, and the water return pipeline is communicated with the user equipment and the water pool at two ends respectively to form a circulating water path;
the initial end of the water replenishing pipeline is provided with a water replenishing pump, the initial end of the water replenishing pipeline and the water replenishing pump are jointly positioned in the water pool, and the tail end of the water replenishing pipeline is communicated with the water supply pipeline;
a vacuum machine is installed at the tail end of the exhaust pipeline, the tail end of the exhaust pipeline is located above the water pool, and the initial end of the exhaust pipeline is communicated with the water supply pipeline;
the initial end of the branch pipeline is communicated with the exhaust pipeline, the tail end of the branch pipeline is positioned above the water pool, and an exhaust valve is mounted at the tail end of the branch pipeline;
the water supply pipeline is also provided with a circulating water pump, and the circulating water pump is used for conveying fluid to the user equipment;
the exhaust method of the building ice or water cold storage air-conditioning open type transmission and distribution system comprises the following steps:
closing the circulating water pump, and opening the water replenishing pump and the exhaust valve to make the fluid flow out of the tail ends of the branch pipelines;
and closing the water replenishing pump and the exhaust valve, and opening the vacuum machine to enable the fluid to flow out of the tail end of the exhaust pipeline.
The exhaust method of the open type transmission and distribution system of the ice or water cold storage air conditioner for the building, provided by the embodiment of the invention, at least has the following beneficial effects: during exhaust, normal-temperature municipal tap water is not required to be introduced, so that the cold or heat loss and the waste of municipal tap water resources caused by the introduction of the normal-temperature municipal tap water in the traditional exhaust method are avoided. After the water replenishing pump is opened, the water replenishing pump can convey fluid in the water tank to the tail end of the branch pipeline with the exhaust valve opened, so that the fluid flows out of the tail end of the branch pipeline, and the steam-water mixture exhausted in the exhaust process flows back to the water tank. In this way, most of the gas and water flow in the pipes of the open ice or chilled water air conditioning distribution system of the building can flow out from the ends of the branch pipes. Furthermore, after the water replenishing pump and the exhaust valve are closed, a small part of gas and water flow in the pipeline of the building ice or water cold storage air-conditioning open type transmission and distribution system can be pumped to the tail end of the exhaust pipeline to be exhausted by opening the vacuum machine. Thereby gas in the pipeline of building ice or the open defeated distribution system of water cold-storage air conditioner is further discharged, so, the exhaust method of the open defeated distribution system of building ice or water cold-storage air conditioner of this application can effectively solve the problem of the unable accumulated gas of thoroughly discharging of air discharge valve when avoiding extravagant cold volume or heat and municipal tap water resource.
According to some embodiments of the invention, after the circulating water pump is turned off, the method further comprises the steps of: and when the fluid in the pipeline of the building ice or chilled water storage air conditioner open type transmission and distribution system flows statically, the water replenishing pump and the exhaust valve are opened.
According to some embodiments of the invention, after closing the make-up water pump and the exhaust valve, the method further comprises the steps of: and when the fluid in the pipeline of the building ice or water cold storage air-conditioning open type transmission and distribution system flows statically, the vacuum machine is opened.
According to some embodiments of the invention, further comprising the step of: and when the tail end of the exhaust pipeline continuously discharges fluid, closing the vacuum machine, and then detecting the pressure in the pipeline of the building ice or water cold storage air-conditioning open type transmission and distribution system.
According to some embodiments of the present invention, when the detected pressure is unstable, the water replenishing pump and the exhaust valve are kept closed, the vacuum machine is opened to allow the fluid to flow out from the end of the exhaust pipe, and then the pressure in the pipe of the building ice or chilled water storage air conditioning open type transmission and distribution system is detected.
According to a second aspect of the invention, an exhaust method of an open transport and distribution system of building ice or chilled water storage air conditioning is provided for evacuating gas of the open transport and distribution system of building ice or chilled water storage air conditioning, comprising: the water supply pipeline is communicated with the user equipment and the water pool at two ends respectively, and the water return pipeline is communicated with the user equipment and the water pool at two ends respectively to form a circulating water path;
the initial end of the water replenishing pipeline is provided with a water replenishing pump, the initial end of the water replenishing pipeline and the water replenishing pump are positioned in the water pool together, and the tail end of the water replenishing pipeline is communicated with the water supply pipeline;
a vacuum machine is installed at the tail end of the exhaust pipeline, the tail end of the exhaust pipeline is positioned above the water pool, and the initial end of the exhaust pipeline is communicated with the water supply pipeline;
the water supply pipeline is also provided with a circulating water pump, and the circulating water pump is used for conveying fluid to the user equipment;
the exhaust method of the building ice or water cold storage air-conditioning open type transmission and distribution system comprises the following steps:
and turning off the circulating water pump, and turning on the water replenishing pump and the vacuum machine to enable the fluid to flow out of the tail end of the exhaust pipeline.
The exhaust method of the open type transmission and distribution system of the ice or water cold storage air conditioner for the building, provided by the embodiment of the invention, at least has the following beneficial effects: the accumulated gas in the pipeline is discharged by utilizing the fluid in the water pool of the open system, the liquid level in the pipeline is supplemented, the cold quantity or heat loss in the transmission and distribution system is avoided, and the waste of municipal tap water resources is avoided. After the water replenishing pump and the vacuum machine are started, the water replenishing pump and the vacuum machine can pump gas and water flow in the pipelines of the building ice or water cold storage air-conditioning open type transmission and distribution system to the tail end of the exhaust pipeline to be discharged. Thereby gas in the pipeline of building ice or the open defeated distribution system of water cold-storage air conditioner is discharged, so, the problem that the exhaust valve can't thoroughly discharge the long-pending gas can effectively be solved to the building ice or the open defeated distribution system exhaust method of water cold-storage air conditioner of this application.
According to a third aspect embodiment of the present invention, the open ice or chilled water storage air conditioning transmission and distribution system for buildings comprises:
a user equipment;
a pool;
the two ends of the water return pipeline are respectively communicated with the user equipment and the water pool;
the two ends of the water supply pipeline are respectively communicated with the user equipment and the water pool, the water supply pipeline and the water return pipeline jointly form a circulating water path, and the water supply pipeline is also provided with a circulating water pump which is used for conveying fluid to the user equipment;
the initial end of the water replenishing pipeline is provided with a water replenishing pump, the initial end of the water replenishing pipeline and the water replenishing pump are positioned in the water pool together, and the tail end of the water replenishing pipeline is communicated with the water supply pipeline;
the tail end of the exhaust pipeline is provided with a vacuum machine, the tail end of the exhaust pipeline is positioned above the water pool, and the initial end of the exhaust pipeline is communicated with the water supply pipeline;
the initial end of the branch pipeline is communicated with the exhaust pipeline, the tail end of the branch pipeline is located above the water pool, and an exhaust valve is installed at the tail end of the branch pipeline.
The open type transportation and distribution system of the building ice or water cold storage air conditioner provided by the embodiment of the invention at least has the following beneficial effects: the accumulated gas in the pipeline is discharged by utilizing the fluid in the water pool of the open system, the liquid level in the pipeline is supplemented, the cold quantity or heat loss in the transmission and distribution system is avoided, and the waste of municipal tap water resources is avoided. After the water replenishing pump is opened, the water replenishing pump can convey the fluid in the water tank to the tail end of the branch pipeline with the exhaust valve opened, so that the fluid flows out of the tail end of the branch pipeline. In this way, most of the gas and water flow in the pipes of the open ice or chilled water storage air conditioning system of the building can flow out from the ends of the branch pipes. Furthermore, after the water replenishing pump and the exhaust valve are closed, a small part of gas and water flow in the pipeline of the building ice or water cold storage air-conditioning open type transmission and distribution system can be pumped to the tail end of the exhaust pipeline to be exhausted by opening the vacuum machine. Thereby gas in the pipeline of building ice or the open defeated distribution system of water cold-storage air conditioner is further discharged, so, the problem of the unable accumulated gas of thoroughly discharging of air discharge valve can effectively be solved to the open defeated distribution system of building ice or water cold-storage air conditioner of this application.
According to some embodiments of the invention, the water supply device further comprises a municipal pipeline, the tail end of the municipal pipeline is communicated with the water supply pipeline, and a municipal water supply valve is installed at the joint of the municipal pipeline and the water supply pipeline.
According to some embodiments of the invention, a vacuum pressure gauge is mounted on the exhaust pipe.
According to some embodiments of the invention, a plurality of water distributors are installed at the tail end of the water return pipeline along the vertical direction, the plurality of water distributors are arranged at intervals, a plurality of water collectors are installed at the initial end of the water supply pipeline, and the plurality of water collectors are arranged at intervals.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the following figures and examples, in which:
FIG. 1 is a flow chart of a method of exhausting an open transmission and distribution system of a building ice or chilled water storage air conditioning system according to some embodiments of the present invention;
FIG. 2 is a schematic view of an open transmission and distribution system of a building ice or chilled water storage air conditioner according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a building ice or chilled water storage air conditioning open transmission and distribution system according to a second embodiment of the present invention;
FIG. 4 is a schematic view of an open transmission and distribution system of a building ice or chilled water storage air conditioner according to a third embodiment of the present invention;
FIG. 5 is a flow chart of a method for exhausting an open transmission and distribution system of a building ice or chilled water storage air conditioner according to another embodiment of the present invention;
FIG. 6 is a schematic view of an open transmission and distribution system of a building ice or chilled water storage air conditioner according to a fourth embodiment of the present invention;
FIG. 7 is a schematic view of an open transmission and distribution system of a building ice or chilled water storage air conditioner according to a fifth embodiment of the present invention;
FIG. 8 is a schematic view of an open transmission and distribution system of a building ice or chilled water storage air conditioner according to a sixth embodiment of the present invention;
fig. 9 is a schematic view of an open transmission and distribution system of a building ice or chilled water storage air conditioner according to a seventh embodiment of the present invention.
Reference numerals:
the open type ice or water cold storage air-conditioning transportation and distribution system comprises a building ice or water cold storage air-conditioning open type transportation and distribution system 10, user equipment 100, a water tank 200, an overflow port 210, a water return pipeline 300, a water distributor 310, a water supply pipeline 400, a circulating water pump 410, a water intake device 420, a water supplementing pipeline 500, a water supplementing pump 510, an exhaust pipeline 600, a vacuum machine 610, a vacuum pressure gauge 620, a branch pipeline 700, an exhaust valve 710, a municipal pipeline 800 and a municipal water supplementing valve 810.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present numbers, and the above, below, within, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In the description of the present invention, reference to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The exhaust method of the building ice or water cold storage air conditioner open type transmission and distribution system 10 is suitable for the open type fluid transmission and distribution system with the suction section in front of the pump higher than the free liquid level of the water tank 200, and is used for emptying the gas of the building ice or water cold storage air conditioner open type transmission and distribution system 10, so that the gas contained in the water flow in the pipeline of the building ice or water cold storage air conditioner open type transmission and distribution system 10 is prevented, and the gas enters the user equipment 100 along with the water flow and damages the user equipment 100. Alternatively, the flow of gas following the water flow causes damage to the pipeline. The structure of the open ice or chilled water storage air conditioning distribution system 10 for buildings will be described first.
Referring to fig. 2, arrows in fig. 2 indicate circulation paths of water flows. In some embodiments, the building ice or chilled water storage air conditioning open distribution system 10 includes: the user equipment 100, the water sump 200, the water return pipe 300, the water supply pipe 400, the water replenishing pipe 500, the exhaust pipe 600, and the branch pipe 700. The user device 100 may be a cold-use device or a hot-use device, such as a plate heat exchanger, a fan coil, etc. Both ends of the water supply pipeline 400 are respectively communicated with the user equipment 100 and the water tank 200, and both ends of the water return pipeline 300 are respectively communicated with the user equipment 100 and the water tank 200 to form a circulation water path, and the water supply pipeline 400 is further installed with a circulation water pump 410, and the circulation water pump 410 is used for conveying fluid to the user equipment 100. That is, when the user equipment 100 is a heat-using device, the water in the water tank 200 is generally cold water, the circulating water pump 410 flows the cold water to the user equipment 100 through the water supply pipe 400, the user equipment 100 exchanges heat with the cold water, and the hot water flows back to the water tank 200 through the water return pipe 300.
It should be noted that, since the open transmission and distribution system 10 for ice or chilled water storage air conditioners of the present application can save water resources, the fluid can be delivered back to the water tank 200 through the water return pipe 300. In other embodiments, the return pipe 300 may be connected to another water tank 200, such as two water tanks 200, one water tank 200 being connected to the water supply pipe 400, and the other water tank 200 being connected to the return pipe 300.
The initial end of the water replenishing pipeline 500 is provided with the water replenishing pump 510, the initial end of the water replenishing pipeline 500 and the water replenishing pump 510 are positioned in the water pool 200 together, and the tail end of the water replenishing pipeline 500 is communicated with the water supply pipeline 400. The water replenishing pump 510 may be a submersible water replenishing pump, which is low in cost. In the method for exhausting the open type ice or chilled water storage air conditioning transmission and distribution system 10 described below, the submersible water replenishing pump 510 can be used for saving certain cost.
The vacuum 610 is installed at the end of the exhaust pipe 600, and the end of the exhaust pipe 600 is located above the water bath 200, and the initial end of the exhaust pipe 600 is communicated with the water supply pipe 400. Wherein, the vacuum machine 610 is used for actively extracting the accumulated gas in the water supply pipeline 400, when the exhaust pipeline 600 is opened, the gas and the water flow can be discharged, and the water flow can flow into the water pool 200 and be reused to avoid waste. An exhaust valve 710 may be installed on the exhaust duct 600, and fluid is prevented from entering the exhaust duct 600 and the branch duct 700 when the exhaust valve 710 is closed.
The initial end of the branch pipe 700 is connected to the exhaust pipe 600, the end of the branch pipe 700 is located above the water bath 200, and the exhaust valve 710 is installed at the end of the branch pipe 700. The exhaust valve 710, when open, facilitates the flow of fluid out of the end of the branch conduit 700.
Further, referring to fig. 1, the exhaust method of the open type ice or chilled water storage air conditioning transmission and distribution system 10 for the building used in the above embodiment includes the steps of:
s100, closing the circulating water pump 410, and opening the water replenishing pump 510 and the exhaust valve 710 to enable the fluid to flow out of the tail end of the branch pipeline 700;
s200, the water replenishing pump 510 and the exhaust valve 710 are closed, and the vacuum machine 610 is opened, so that the fluid flows out from the tail end of the exhaust pipeline 600.
Specifically, referring to fig. 3, the arrows in fig. 3 indicate the flow path of the fluid in step S100. When the air exhaust method of the open type transmission and distribution system 10 of the ice or water cold storage air conditioner for the building is used for exhausting air, normal-temperature municipal tap water is not required to be introduced, so that the loss of cold or heat and the waste of municipal tap water caused by the introduction of the normal-temperature municipal tap water in the traditional air exhaust method are avoided. When the circulating water pump 410 is turned off, fluid is prevented from entering the user device 100. It is also contemplated that the fluid will be at rest after the circulating water pump 410 is turned off so that the gas can automatically accumulate at the top of the pipe, thus facilitating the concentrated discharge. When the water replenishing pump 510 is turned on, the water replenishing pump 510 delivers the fluid in the water tank 200 to the end of the branch pipe 700 with the air outlet valve 710 opened, and the fluid flows out from the end of the branch pipe 700, and particularly, can be returned to the water tank 200. As such, most of the gas and water flow within the pipes of the open ice or chilled water storage air conditioning distribution system 10 will flow out of the ends of the branch pipes 700. In addition, the water flow can be gathered in the water pool 200 to avoid waste, and energy can be saved. And, when moisturizing to user equipment 100, carry out the moisturizing through the rivers that use in the pond 200, for the mode through municipal running water moisturizing, can effectively avoid the cold volume or the calorific loss that the difference in temperature leads to through the moisturizing of pond 200. The temperature of the water in the water tank can be ice water generally, is about zero, the temperature of the municipal tap water is about twenty degrees, the temperature difference between the municipal tap water and the fluid in the water tank 200 is large, extra energy consumption is needed for reducing the temperature of the municipal tap water to about zero, and the extra supplemented municipal tap water always flows out from an overflow port 210 of the water tank 200 due to the limited volume of the water tank 200, so that the waste of water resources is caused.
Further, referring to fig. 4, an arrow in fig. 4 indicates a flow path of the fluid in step S200. After the water replenishing pump 510 and the air exhausting valve 710 are closed, a small part of gas and water flow in the pipeline of the building ice or chilled water storage air conditioning open type transmission and distribution system 10 can be pumped to the tail end of the air exhausting pipeline 600 to be exhausted by opening the vacuum machine 610. Therefore, the gas in the pipeline of the open transmission and distribution system 10 for the ice or the chilled water storage air conditioner is further discharged, and the problem that the accumulated gas cannot be thoroughly discharged by the exhaust valve 710 can be effectively solved by the exhaust method of the open transmission and distribution system 10 for the ice or the chilled water storage air conditioner.
Specifically, the open transmission and distribution system 10 of the building ice or chilled water storage air conditioner can supplement the liquid level in the water supply pipeline 400 through the fluid in the water tank, avoid the cold quantity or heat loss, and discharge the gas in the pipeline while supplementing the water. When water is supplemented through the exhaust mode in the prior art, not only cold quantity and heat quantity are wasted, but also a large amount of water is wasted, and the energy is not saved.
It should be noted that the gas in the pipeline of the open transportation and distribution system 10 for ice or chilled water storage air conditioner may specifically refer to the gas in the water supply pipeline 400, after the water circulation pump 410 is turned off, the gas and the water flow in the water supply pipeline 400 are pushed by the water replenishing pump 510 to the end of the branch pipeline 700 to flow out, at this time, only one end of the branch pipeline 700 in the open transportation and distribution system 10 for ice or chilled water storage air conditioner is opened, and therefore, the fluid inevitably flows out therefrom. In addition, the gas in the pipes of the open ice or chilled water storage air conditioning distribution system 10 can also be gas in other pipes, such as the branch pipe 700 and the exhaust pipe 600.
Fluid refers to a mixture of gas and water flow or a single water flow. The fluid in the step S100 flows out of the end of the branch pipe 700, and is generally a mixture of gas and water, and after a certain period of time, only water may flow out without gas. The fluid in step S200 may initially be a small amount of gas and water, and after a period of time, may have only water flow and no gas.
In order to ensure that the exhaust method of the open type transportation and distribution system 10 of the ice or water cold accumulation air conditioner for the building has good effect on the exhaust of the gas in the pipeline, specific embodiments are provided. In some embodiments, the method for exhausting the building ice or chilled water storage air conditioning open transmission and distribution system 10 after turning off the circulating water pump 410 further comprises the steps of: when the fluid in the pipeline of the open type ice or chilled water storage air-conditioning transmission and distribution system 10 for the building is in static flow, the water replenishing pump 510 and the exhaust valve 710 are opened. Specifically, when the fluid is flowing still, the gas below the water flow can float above the water flow still, so that the water flow and the gas are separated (the middle part of the water flow is also provided with gas during the flowing process of the water flow). Further, when the water replenishing pump 510 pushes the water in the water reservoir 200 to the end of the branch pipe 700, the gas can be discharged together.
Further, in some embodiments, after the water replenishing pump 510 and the air discharging valve 710 are closed, the air discharging method of the open type ice or water storage cold air conditioning transmission and distribution system 10 for the building further comprises the following steps: when the fluid in the pipeline of the open type ice or chilled water storage air conditioner distribution system 10 for the building is in static flow, the vacuum machine 610 is turned on. Specifically, when the flow of the water stream is stopped, the gas in the water stream is separated from the water stream, so that the gas and water stream are extracted by the vacuum machine 610 more effectively. Therefore, the exhaust method of the open type transmission and distribution system 10 of the ice or water cold storage air conditioner for the building can effectively solve the problem that the exhaust valve 710 can not completely exhaust the accumulated air.
Further, after the vacuum machine 610 extracts the fluid for a period of time, it can determine whether there is any gas in the water flow by detecting the pressure in the pipes of the building ice or chilled water storage air conditioning open distribution system 10. Thus, in some embodiments, the method of exhausting the ice or chilled water storage air conditioning open distribution system 10 further comprises the steps of: when the fluid is continuously discharged from the end of the exhaust pipe 600, the vacuum machine 610 is turned off, and then the pressure in the pipes of the building ice or chilled water storage air conditioning open type transmission and distribution system 10 is detected.
Further, if in the above embodiment, it is detected that there is gas in the pipes of the open ice or chilled water storage air conditioning distribution system 10, it is further required to use the vacuum machine 610 to pump out the gas. Therefore, please refer to fig. 4. In some embodiments, when the detected pressure is not stable, the make-up water pump 510 and the exhaust valve 710 are kept closed, the vacuum machine 610 is opened to allow the fluid to flow out from the end of the exhaust duct 600, and then the pressure in the duct of the open ice or chilled water air conditioning distribution system 10 is detected.
In addition to the above-mentioned exhaust method of the open transportation and distribution system 10 for building ice or water storage air conditioner, the present application also proposes another exhaust method of the open transportation and distribution system 10 for building ice or water storage air conditioner. In the exhaust method of the open ice or chilled water storage air conditioning transmission and distribution system 10, please refer to fig. 6, wherein arrows in fig. 6 indicate the flow path of the fluid. The open type transmission and distribution system 10 of the ice or water cold storage air conditioner for the building comprises: the user equipment 100, the water sump 200, the water return pipe 300, the water supply pipe 400, the water replenishing pipe 500, the exhaust pipe 600, and the branch pipe 700. The user device 100 may be a cold-use device or a hot-use device, such as a plate heat exchanger, a fan coil, etc. Both ends of the water supply pipeline 400 are respectively communicated with the user equipment 100 and the water tank 200, and both ends of the water return pipeline 300 are respectively communicated with the user equipment 100 and the water tank 200 to form a circulation water path, and the water supply pipeline 400 is further installed with a circulation water pump 410, and the circulation water pump 410 is used for conveying fluid to the user equipment 100. That is, when the user equipment 100 is a heat-using device, the water in the water tank 200 is generally cold water, the circulating water pump 410 flows the cold water to the user equipment 100 through the water supply pipe 400, the user equipment 100 exchanges heat with the cold water, and the hot water flows back to the water tank 200 through the water return pipe 300.
The initial end of the water replenishing pipeline 500 is provided with the water replenishing pump 510, the initial end of the water replenishing pipeline 500 and the water replenishing pump 510 are positioned in the water pool 200 together, and the tail end of the water replenishing pipeline 500 is communicated with the water supply pipeline 400. Wherein, the make-up water pump 510 can be a submersible make-up water pump 510, which is low in cost.
The vacuum machine 610 is installed at the end of the exhaust pipe 600, and the end of the exhaust pipe 600 is positioned above the water bath 200, and the initial end of the exhaust pipe 600 is communicated with the water supply pipe 400. Wherein, the vacuum machine 610 is used for the long-pending gas in the initiative extraction water supply pipe 400, when exhaust duct 600 was opened, can be with gas and rivers discharge, rivers can flow to the pond 200 in, are utilized once more and avoid extravagant, can avoid cold volume or heat extravagant simultaneously to the energy saving.
Further, the steps of the exhaust method of the open ice or water storage air conditioning transmission and distribution system 10 for building are described, wherein, referring to fig. 5, the exhaust method of the open ice or water storage air conditioning transmission and distribution system 10 for building comprises the steps of:
s100, the circulating water pump 410 is turned off, the water replenishing pump 510 and the vacuum machine 610 are turned on, and fluid flows out from the tail end of the exhaust pipeline 600.
Specifically, referring to fig. 7, the arrows in fig. 7 indicate the flow paths of the fluid. After the circulating water pump 410 is turned off, fluid is prevented from entering the user equipment 100, thereby protecting the safety of the user equipment 100. After the water replenishing pump 510 and the vacuum machine 610 are turned on, the water replenishing pump 510 and the vacuum machine 610 can together pump the gas and the water flow in the pipeline of the building ice or chilled water storage air conditioning open type transmission and distribution system 10 to the tail end of the exhaust pipeline 600 to be discharged. Therefore, gas in the pipeline of the open transmission and distribution system 10 for the building ice or the water cold storage air conditioner is discharged, and therefore the problem that the accumulated gas cannot be thoroughly discharged through the exhaust valve 710 can be effectively solved by the exhaust method of the open transmission and distribution system 10 for the building ice or the water cold storage air conditioner.
In addition to the exhaust method of the open transportation and distribution system 10 for ice or chilled water storage air conditioners, please refer to fig. 2, the present application also provides an open transportation and distribution system 10 for ice or chilled water storage air conditioners. In some embodiments, the building ice or chilled water storage air conditioning open distribution system 10 includes: the user equipment 100, the water sump 200, the water return pipe 300, the water supply pipe 400, the water replenishing pipe 500, the exhaust pipe 600, and the branch pipe 700.
The user device 100 may be a cold-use device or a hot-use device, such as a plate heat exchanger, a fan coil, etc.
The water tank 200 has a water storage chamber and an overflow port 210. Cold water, ice water and hot water can be placed in the water storage cavity. The overflow port 210 can make the surplus liquid in the water storage gun flow out.
Return water pipe 300's both ends communicate with user equipment 100 and pond 200 respectively, and water supply pipe 400 forms the circulation water route with return water pipe 300 jointly, and water supply pipe 400 still installs circulating water pump 410, and circulating water pump 410 is used for carrying the fluid to user equipment 100. For example, the water in the water tank 200 is generally cold water, the circulating water pump 410 flows the cold water to the user equipment 100 through the water supply pipe 400, the user equipment 100 exchanges heat with the cold water, and the hot water flows back to the water tank 200 through the water return pipe 300.
The initial end of the water replenishing pipeline 500 is provided with the water replenishing pump 510, the initial end of the water replenishing pipeline 500 and the water replenishing pump 510 are positioned in the water pool 200 together, and the tail end of the water replenishing pipeline 500 is communicated with the water supply pipeline 400.
An exhaust pipe 600, a vacuum machine 610 is installed at the end of the exhaust pipe 600, and the end of the exhaust pipe 600 is located above the water pool 200, and the initial end of the exhaust pipe 600 is communicated with the water supply pipe 400. Wherein, exhaust duct 600 is located the top in pond 200, and when exhaust duct 600's end discharge rivers and gaseous mixture, rivers can flow in pond 200, avoid extravagant, can avoid cold volume or heat extravagant simultaneously to the energy saving.
The branch pipe 700, the initial end of the branch pipe 700 is connected to the exhaust pipe 600, the end of the branch pipe 700 is located above the water pool 200, and the exhaust valve 710 is installed at the end of the branch pipe 700. Wherein, the branch pipeline 700 pipeline is located above the water pool 200, when the mixture of the end discharge rivers of the branch pipeline 700 and gas, rivers can flow to the water pool 200, avoid extravagant, can avoid cold volume or heat waste simultaneously to the energy saving.
Specifically, by turning off the circulating water pump 410, fluid may be prevented from entering the user device 100. When the water replenishing pump 510 is turned on, the water replenishing pump 510 delivers the fluid in the water reservoir 200 to the end of the branch pipe 700 where the air release valve 710 is opened, and the fluid is discharged from the end of the branch pipe 700. As such, most of the gas and water flow within the pipes of the open ice or chilled water storage air conditioning distribution system 10 will flow out of the ends of the branch pipes 700. Further, after the water replenishing pump 510 and the air discharging valve 710 are closed, a small amount of gas and water in the pipes of the open type ice or chilled water storage air conditioning distribution system 10 can be pumped to the end of the air discharging pipe 600 to be discharged by opening the vacuum machine 610. Thereby gas in the pipeline of open transmission and distribution system of building ice or water cold-storage air conditioner 10 is further discharged, so, the open transmission and distribution system of building ice or water cold-storage air conditioner 10 of this application can effectively solve the problem that discharge valve 710 can't thoroughly discharge the long-pending gas.
Referring to fig. 2, in some embodiments, the open ice or chilled water storage air conditioning distribution system 10 further includes a municipal pipeline 800, a terminal of the municipal pipeline 800 is connected to the water replenishing pipeline 500, and a municipal water replenishing valve 810 is installed at a connection of the municipal pipeline 800 and the water replenishing pipeline 500. Specifically, the municipal water replenishing valve 810 is opened, and the water in the water tank 200 or the user equipment 100 may be replenished through the municipal pipe 800.
Referring to fig. 2, in some embodiments, a vacuum gauge 620 is installed on the exhaust pipe 600. The vacuum pressure gauge 620 is used for detecting the flat vacuum degree of the pipelines of the open type transmission and distribution system 10 of the ice or chilled water storage air conditioner of the building. For example, the degree of vacuum in the water supply pipe 400 is detected, thereby determining whether or not gas is present in the water supply pipe 400.
Referring to fig. 2, in some embodiments, the water return pipe 300 is provided at the end thereof with a plurality of water distributors 310 in the vertical direction, the plurality of water distributors 310 are arranged at intervals, the water supply pipe 400 is provided at the initial end thereof with a plurality of water collectors 420, and the plurality of water collectors 420 are arranged at intervals. Specifically, the plurality of water distributors 310 of the water return pipe 300 may uniformly deliver the heat-exchanged fluid to the water tank 200, and the plurality of water collectors 420 may uniformly deliver the fluid to the user equipment 100, without causing an excessive local flow rate in the water tank 200.
Further, referring to fig. 8, in some embodiments, when the user equipment 100 needs hot water, the end of the water return pipe 300 may be disposed to be flush with the free liquid level of the water pool 200, that is, the end of the water return pipe 300 is located at the bottom of the water storage cavity of the water pool 200. Thereby the cold water that returns from return water pipe 300 heat transfer is in the bottom in pond 200 always, can not lead to hot water in whole pond 200 by rapid cooling, and at this process, cold water can utilize 4 ℃ of twill layer to separate with hot water. Similarly, the initial end of the water supply pipe 400 is disposed flush with the free surface of the water reservoir 200, thereby supplying the hot water at the uppermost portion of the water reservoir 200 to the user device 100 requiring the hot water.
Further, referring to fig. 9, in some embodiments, when the user equipment 100 needs cold water, the end of the water return pipe 300 may be disposed at the top of the water pool. Therefore, the hot water exchanged from the water return pipe 300 is always at the top of the water tank 200, and the cold water in the whole water tank 200 is not rapidly heated. In this process, hot water and cold water can be separated by a 4 ℃ twill layer. Similarly, the initial end of the water supply pipe 400 is provided to the bottom of the water tank 200, thereby supplying cold water at the lowermost portion of the water tank 200 to the user equipment 100 requiring hot water.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (10)
1. An exhaust method of an open type transportation and distribution system of a building ice or water cold storage air conditioner is characterized in that the exhaust method is used for emptying gas of the open type transportation and distribution system of the building ice or water cold storage air conditioner, and the open type transportation and distribution system of the building ice or water cold storage air conditioner comprises the following steps: the water supply pipeline is communicated with the user equipment and the water pool at two ends respectively, and the water return pipeline is communicated with the user equipment and the water pool at two ends respectively to form a circulating water path;
the initial end of the water replenishing pipeline is provided with a water replenishing pump, the initial end of the water replenishing pipeline and the water replenishing pump are jointly positioned in the water pool, and the tail end of the water replenishing pipeline is communicated with the water supply pipeline;
a vacuum machine is installed at the tail end of the exhaust pipeline, the tail end of the exhaust pipeline is positioned above the water pool, and the initial end of the exhaust pipeline is communicated with the water supply pipeline;
the initial end of the branch pipeline is communicated with the exhaust pipeline, the tail end of the branch pipeline is positioned above the water pool, and an exhaust valve is arranged at the tail end of the branch pipeline;
the water supply pipeline is also provided with a circulating water pump, and the circulating water pump is used for conveying fluid to the user equipment;
the exhaust method of the building ice or water cold storage air-conditioning open type transmission and distribution system comprises the following steps:
closing the circulating water pump, and opening the water replenishing pump and the exhaust valve to make the fluid flow out of the tail ends of the branch pipelines;
and closing the water replenishing pump and the exhaust valve, and opening the vacuum machine to enable the fluid to flow out of the tail end of the exhaust pipeline.
2. The exhaust method of the open transmission and distribution system of the building ice or water cold accumulation air conditioner as claimed in claim 1, further comprising the steps of, after turning off the circulating water pump: and when the fluid in the pipeline of the building ice or chilled water storage air-conditioning open type transmission and distribution system flows statically, the water replenishing pump and the exhaust valve are opened.
3. The exhaust method of the open transmission and distribution system of the building ice or water cold accumulation air conditioner as claimed in claim 1, further comprising the steps of, after the water replenishing pump and the exhaust valve are closed: and when the fluid in the pipeline of the building ice or water cold storage air-conditioning open type transmission and distribution system flows statically, the vacuum machine is opened.
4. The exhaust method of the building ice or water cold-storage air-conditioning open type transmission and distribution system according to claim 1, further comprising the steps of: and when the tail end of the exhaust pipeline continuously discharges fluid, closing the vacuum machine, and then detecting the pressure in the pipeline of the building ice or water cold storage air-conditioning open type transmission and distribution system.
5. The exhaust method of the building ice or water cold air-storage open type transportation and distribution system of claim 4, characterized in that when the detected pressure is unstable, the water replenishing pump and the exhaust valve are kept closed, the vacuum machine is opened to make the fluid flow out from the tail end of the exhaust pipeline, and then the pressure in the pipeline of the building ice or water cold air-storage open type transportation and distribution system is detected.
6. The exhaust method of the open transmission and distribution system of the ice or water cold storage air conditioner is characterized in that the exhaust method is used for emptying the gas of the open transmission and distribution system of the ice or water cold storage air conditioner, and the open transmission and distribution system of the ice or water cold storage air conditioner comprises the following steps: the water supply pipeline is communicated with the user equipment and the water pool at two ends respectively, and the water return pipeline is communicated with the user equipment and the water pool at two ends respectively to form a circulating water path;
the initial end of the water replenishing pipeline is provided with a water replenishing pump, the initial end of the water replenishing pipeline and the water replenishing pump are positioned in the water pool together, and the tail end of the water replenishing pipeline is communicated with the water supply pipeline;
a vacuum machine is installed at the tail end of the exhaust pipeline, the tail end of the exhaust pipeline is positioned above the water pool, and the initial end of the exhaust pipeline is communicated with the water supply pipeline;
the water supply pipeline is also provided with a circulating water pump, and the circulating water pump is used for conveying fluid to the user equipment;
the exhaust method of the building ice or water cold storage air-conditioning open type transmission and distribution system comprises the following steps:
and closing the circulating water pump, and opening the water replenishing pump and the vacuum machine to enable the fluid to flow out of the tail end of the exhaust pipeline.
7. Open transmission and distribution system of building ice or water cold-storage air conditioner, its characterized in that includes:
a user equipment;
a pool;
the two ends of the water return pipeline are respectively communicated with the user equipment and the water pool;
the two ends of the water supply pipeline are respectively communicated with the user equipment and the water pool, the water supply pipeline and the water return pipeline jointly form a circulating water path, and the water supply pipeline is also provided with a circulating water pump which is used for conveying fluid to the user equipment;
the initial end of the water replenishing pipeline is provided with a water replenishing pump, the initial end of the water replenishing pipeline and the water replenishing pump are positioned in the water pool together, and the tail end of the water replenishing pipeline is communicated with the water supply pipeline;
the tail end of the exhaust pipeline is provided with a vacuum machine, the tail end of the exhaust pipeline is positioned above the water pool, and the initial end of the exhaust pipeline is communicated with the water supply pipeline;
the initial end of the branch pipeline is communicated with the exhaust pipeline, the tail end of the branch pipeline is located above the water pool, and an exhaust valve is installed at the tail end of the branch pipeline.
8. The open transmission and distribution system for building ice or water cold accumulation air conditioners as claimed in claim 7, further comprising a municipal pipeline, wherein the tail end of the municipal pipeline is communicated with the water supplementing pipeline, and a municipal water supplementing valve is installed at the joint of the municipal pipeline and the water supplementing pipeline.
9. The open transport and distribution system for building ice or water cold accumulation air conditioners as claimed in claim 7, wherein the exhaust pipeline is provided with a vacuum pressure gauge.
10. The open transporting and distributing system for building ice or water cold accumulation air conditioners as claimed in claim 7, wherein along the vertical direction, the tail end of the water return pipeline is provided with a plurality of water distributors which are arranged at intervals, the initial end of the water supply pipeline is provided with a plurality of water collectors which are arranged at intervals.
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| CN202310189725.9A CN115854450B (en) | 2023-03-02 | 2023-03-02 | Exhaust method and system for open type transmission and distribution system of building ice or water cold accumulation air conditioner |
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| CN115854450B (en) | 2023-05-30 |
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