CN113531939A - Multisource cold and hot water module unit - Google Patents
Multisource cold and hot water module unit Download PDFInfo
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- CN113531939A CN113531939A CN202110640012.0A CN202110640012A CN113531939A CN 113531939 A CN113531939 A CN 113531939A CN 202110640012 A CN202110640012 A CN 202110640012A CN 113531939 A CN113531939 A CN 113531939A
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- 239000000498 cooling water Substances 0.000 claims description 58
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- 230000001502 supplementing effect Effects 0.000 claims description 32
- 238000005086 pumping Methods 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 10
- 238000010793 Steam injection (oil industry) Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 34
- 238000009434 installation Methods 0.000 abstract description 7
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a multi-source cold and hot water module unit which comprises a refrigerant pump pushing module, a rectifying module, a cold and hot source heat exchanger module, an injection module, a use side module and a hydraulic module. The air-cooled refrigeration system integrates the traditional water-cooled refrigeration host machine and the cooling tower in height, the air-cooled heat exchanger is additionally arranged in the water-cooled unit by taking the air-cooled heat pump module unit as a template, a brand new machine type integrating an air-cooled heat pump unit and the water-cooled unit into a whole is created, the wind-water integrated multi-source cold and hot water module unit not only realizes the small modularization of the traditional water-cooled unit, but also expands the air-cooled heat pump heating function of the water-cooled unit, simultaneously the mechanical efficiency of the heat pump is greatly improved by adopting an air injection technology, the miniaturization of the large-sized unit, the integration of freezing and cooling, the integration of air-cooled water cooling, the diversification of cold source and heat source, the refrigeration and heating high efficiency and the convenience in installation and operation.
Description
Technical Field
The invention relates to the field of heat exchangers, in particular to a multi-source cold and hot water module unit.
Background
The market share of the existing central air-conditioning air-cooling cold (hot) water (heat pump) unit and water-cooling cold water unit is more than 90%.
1. The air-cooled heat pump utilizes outdoor ambient air as a cold source and a heat source: the advantages are refrigeration in summer and heating in winter, and one machine has two purposes; the volume is small, the weight is light, the transportation, the construction and the maintenance are convenient, and the roof installation does not occupy the indoor space; the stability of the system with a plurality of machines connected in parallel and mutually used as a standby system is strong; the defects are that the condensation temperature is high during refrigeration, the refrigeration efficiency is low, and the energy consumption is more than 30 percent higher than that of a water cooling (including evaporative cooling) type; the evaporation temperature is low during heating, and the heating capacity is seriously attenuated when the environment temperature is low, so that the heating efficiency is low.
2. The water cooling (including evaporative cooling) unit utilizes 'low-temperature' water as a cold source: the single machine has the advantages of high power and high refrigerating capacity, and can meet the refrigerating requirement in a large-area scene; the condensation temperature is low, so the refrigeration efficiency is high; the defects of large volume, high weight, inconvenient transportation, installation and maintenance and indoor space waste caused by the need of an indoor machine room; the refrigeration main machine is separated from the cooling tower, the refrigeration pipe network is too long, the construction amount and the construction difficulty are increased, the construction cost is high, the energy consumption of the cooling circulation is increased, and the cooling water waste is serious; the number of standby units is small, and the system stability is poor; the energy consumption is high under partial load; the installation site is limited and cannot be used, and the like.
Based on the technical limitation of the units, the application provides a novel machine type combining an air-cooling cold (hot) water (heat pump) unit and a water-cooling water unit, namely an integrated heat pump module unit integrating air and water as cold and heat sources, namely a multi-source cold and hot water module unit.
Disclosure of Invention
The heat pump system aims at solving the problems that the existing heat pump field is single in unit function, high in energy consumption and limited in use environment; the water-cooling water chilling unit has the problems of large volume, limited installation site, incapability of use, lack of heating function and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a multi-source cold and hot water module unit comprises a refrigerant pump pushing module, a rectifying module, a cold and hot source heat exchanger module, an injection module, a use side module and a hydraulic module.
The refrigerant pump pushing module comprises a compressor, wherein the compressor is provided with a steam jet port and a gas return port;
the steam jet port is communicated with nodes A1 and A2 of the cold and heat source heat exchanger module and a node B of the use side module through the multi-way valve group and the pipeline; a node C communicated with the injection module is formed between the node A1 (or A2) and the node B through a multi-way valve group and a pipeline;
the return air port forms a node D communicated to the injection module through a pipeline;
optionally, the multi-way valve group comprises a first four-way valve and a second four-way valve, the steam jet port, the node a1 and the node C are respectively communicated with three valve ports of the first four-way valve through pipelines, the node a2, the node B and the node C are respectively communicated with three valve ports of the second four-way valve through pipelines, and the rest valve ports of the first four-way valve and the second four-way valve are communicated with each other through a first connecting pipe;
optionally, the multi-way valve group is a first three-way valve, a second three-way valve and a third three-way valve, the steam injection port and the parallel nodes a1 and a2 are respectively communicated with two valve ports of the first three-way valve through pipelines, the node B and the parallel nodes a1 and a2 are respectively communicated with two valve ports of the third three-way valve through pipelines, the remaining valve ports of the first three-way valve and the third three-way valve are communicated with each other through a second connecting pipe, and the node B, the node C and the parallel nodes a1 and a2 are respectively communicated with three valve ports of the second three-way valve through pipelines;
optionally, the multi-way valve group includes a first two-way valve, a second two-way valve, a third two-way valve, a fourth two-way valve, a ninth two-way valve and a tenth two-way valve, the vapor injection port is communicated between the first two-way valve and the second two-way valve through a pipeline, the nodes a1 and a2 are connected in parallel and then communicated with the first two-way valve, the third two-way valve and the tenth two-way valve respectively, the first two-way valve is connected in series with the second two-way valve and the ninth two-way valve and then communicated with the node B, the third two-way valve is connected in series with the fourth two-way valve and then communicated with the node B, the tenth two-way valve is communicated between the second two-way valve and the ninth two-way valve through a pipeline, and the node C is communicated between the third two-way valve and the fourth two-way valve through a pipeline.
The rectifying module comprises a node F communicated with the cold and heat source heat exchanger module, a node G communicated with the use side module, a node H communicated with the injection module and a node I, wherein the node F is formed by the multi-way valve group and a pipeline;
optionally, the multi-way valve group is a third four-way valve, and the node F, the node G, the node H and the node I are respectively communicated with four valve ports thereof through pipelines;
optionally, the multi-way valve group is a fourth three-way valve and a fifth three-way valve which are arranged in parallel, the node F, the node H and the node I are respectively communicated with three valve ports of the fourth three-way valve through pipelines, and the node G, the node H and the node I are respectively communicated with three valve ports of the fifth three-way valve through pipelines;
optionally, the multi-way valve group is a fifth two-way valve and a sixth two-way valve connected in series, and a seventh two-way valve and an eighth two-way valve connected in series and arranged in parallel with the fifth two-way valve and the sixth two-way valve, the node F is connected between the fifth two-way valve and the sixth two-way valve, the node G is connected between the seventh two-way valve and the eighth two-way valve, the node H is connected between the sixth two-way valve and the eighth two-way valve, and the node I is connected between the fifth two-way valve and the seventh two-way valve;
optionally, the multi-way valve group comprises a first check valve and a second check valve which are connected in series, and a third check valve and a fourth check valve which are connected in series and are arranged in parallel with the first check valve and the second check valve.
The cold and heat source heat exchanger module comprises a water source heat exchanger, an air source heat exchanger, nodes A1' and A2' which are formed by a multi-way valve group and a pipeline and are respectively communicated to the refrigerant pump pushing module, and a node F ' which is communicated to the rectifying module;
optionally, the multi-way valve group is a sixth three-way valve, the water source heat exchanger, the air source heat exchanger and the node F ' are respectively communicated with three valve ports of the sixth three-way valve through pipelines, the water source heat exchanger is communicated to the refrigerant pump pushing module through a node a1', and the air source heat exchanger is communicated to the refrigerant pump pushing module through a node a2 ';
optionally, the multi-way valve set comprises an eleventh two-way valve and a twelfth two-way valve, the eleventh two-way valve is communicated between the air source heat exchanger and the node F ', the twelfth two-way valve is communicated between the water source heat exchanger and the node F', the water source heat exchanger is communicated to the refrigerant pump pushing module through a node a1', and the air source heat exchanger is communicated to the refrigerant pump pushing module through a node a 2'.
The injection module comprises an injector, a gas-liquid separator, a node H 'and a node I' which are formed by a multi-way valve group and a pipeline and are respectively communicated to the rectification module;
the ejector is provided with an air inlet, an air suction port and a jet orifice;
the gas-liquid separator is provided with a first refrigerant inlet, a first refrigerant outlet, a second refrigerant inlet and a second refrigerant outlet;
the suction port is provided with a node C 'communicated to the refrigerant pumping module, the first refrigerant outlet is provided with a node D' communicated to the refrigerant pumping module, and the jet port is communicated with the first refrigerant inlet;
optionally, the multi-way valve group is a seventh three-way valve, the air inlet, the node I 'and a second refrigerant inlet are respectively communicated with three valve ports of the seventh three-way valve through pipelines, and a second refrigerant outlet is communicated with the node H' through a cooling and heating expansion valve;
optionally, the multi-way valve group includes a thirteenth two-way valve and a fourteenth two-way valve, the thirteenth two-way valve is communicated between the air inlet and the node I ', the fourteenth two-way valve is communicated between a second refrigerant inlet and the node I ', and the second refrigerant outlet is communicated with the node H ' through a cooling and heating expansion valve.
A usage-side module comprising an indoor-side heat exchanger;
the indoor side heat exchanger is provided with a chilled water inlet and a chilled water outlet;
the indoor side heat exchanger is also provided with a node B 'communicated with the refrigerant pumping module and a node G' communicated with the rectifying module.
The hydraulic module comprises a cooling water inlet and a cooling water outlet;
the water source heat exchanger is connected in series between the cooling water inlet and the cooling water outlet;
the cooling water inlet and the cooling water outlet are connected with a multi-source cooling system in parallel;
the multi-source cooling system comprises a closed cooling system or an open cooling system;
a filter, a cooling water pump, a check valve and a water source heat exchanger control valve are arranged on a pipeline of the cooling water inlet;
and the pipeline of the cooling water inlet is also communicated with a pressure stabilizing tank, a water supplementing electric valve and a water supplementing pump to form a constant-pressure water supplementing system.
Preferably, the multi-source cooling system further comprises:
the waste (hot) water source heat exchanger and the waste (hot) water source control valve are arranged on the cooling water inlet and the cooling water outlet in parallel, the solar heat collection heat exchanger and the solar control valve, the ground (water) source heat exchanger and the ground (water) source control valve.
The node a1 and the node a1', the node a2 and the node a2', the node B and the node B ', the node C and the node C ', the node D and the node D ', the node F and the node F ', the node G and the node G ', the node H and the node H ', and the node I ' are correspondingly connected.
The above nodes are for convenience of description, and do not imply that embodiments of the present application must have connecting nodes in exact correspondence with their positions, numbers, and the like.
The multi-way valve set does not refer to a valve body or a valve body set with a specific model, and also comprises a plurality of valve bodies and combinations thereof, wherein the valve bodies and the combinations thereof are composed of valve bodies with different numbers and models for realizing specific pipeline structures and functions. For example, in the refrigerant pump module, the multi-way valve set may be a pipeline full-coverage design formed by combining a two-way valve, a three-way valve and a four-way valve through a matrix.
The invention also aims to provide a multi-source cold and hot water module multi-connected unit which comprises any one of the refrigerant pump pushing module, the rectifying module, the cold and hot source heat exchanger module, the injection module, the use side module and the hydraulic module.
The use side module comprises a plurality of groups of indoor side heat exchangers which are arranged in parallel.
The invention has the following beneficial effects:
the air-water integrated modular unit is formed by miniaturizing a refrigeration host of a traditional water-cooling water chilling unit and matching a low-power screw compressor or a scroll compressor, and additionally arranging an air source heat exchanger in parallel with a cold source side (outdoor side) heat exchanger in the water chilling unit by taking an air-cooling cold (hot) water (heat pump) modular unit as a template; meanwhile, the outdoor heat exchanger can be externally connected with a ground source, a sewage source (waste heat source) and a solar heat exchanger which are connected with the cooling tower in parallel, and the cold and heat multiple-source complementary advantage utilization of the heat pump unit can be realized.
The unit changes the cooling mode of the traditional air cooling (hot) water (heat pump) unit, changes the air cooling mode into the water cooling mode: 1. the condensation temperature is reduced, and the refrigeration efficiency is improved; 2. the water source heat exchanger can be externally connected with various heat sources, so that the utilization of solar energy, geothermal energy and industrial waste (waste) heat is realized, and the heating efficiency of the air-cooled heat pump is improved;
this unit adds air source heat exchanger and adopts the heat pump pipeline design in traditional water-cooling water set: 1. the air is used as a heat source, the heating function of the air-cooled heat pump is increased, and the functional defect that the traditional water chilling unit cannot heat is overcome; 2. the water source heat exchanger can be externally connected with various cold and heat sources, so that the utilization of solar energy, ground cold (heat) energy and industrial waste (waste) heat (cold) is realized, and the refrigerating and heating efficiency of the water cooling unit is improved; 3. a series of problems of invariance, occupied space, system stability and the like of the traditional water cooling unit in transportation, installation and maintenance are avoided.
The invention can realize the miniaturization of large-scale units, the integration of freezing and cooling, the integration of air cooling and water cooling, the diversification of cold sources and heat sources, the high efficiency of refrigeration and heating and the convenience of installation, operation and maintenance.
The unit integrates the height of a traditional water-cooling refrigeration main machine and the height of a cooling tower, an air-cooling fin heat exchanger is additionally arranged in the water-cooling unit by taking an air-cooling heat pump module unit as a template, and a screw compressor or a scroll compressor with small power is matched, so that a brand new machine type integrating an air-cooling heat pump unit and a water-cooling unit into a whole, namely an air-water integrated multi-source cold and hot water module unit is created, the small modularization of the traditional water-cooling unit is realized, and the heating function of the air-cooling heat pump of the water-cooling unit is expanded; the unit integrates cooling and refrigerating systems, the direct utilization of natural cold and heat sources, solar energy, industrial waste heat and the like can be realized by adopting the same secondary refrigerant on the premise of not starting the heat pump unit, the refrigerating system and the cooling system share one set of water supplementing device, the balance of the whole pressure can be favorably realized when the natural cold and heat sources supply energy, and the system is more stable in operation.
The machine set adopts an injection technology to greatly improve the mechanical efficiency of the heat pump, so that the equipment is more energy-saving; the added water source heat exchanger not only enables the air-cooled heat pump to realize the refrigeration function of the water-cooled unit, improves the refrigeration efficiency of the air-cooled heat pump unit, but also realizes the utilization of solar energy, geothermal energy and industrial waste heat, and greatly improves the heating efficiency of the air-cooled heat pump. The cost performance of the unit is higher through the design, the economical efficiency of the unit is improved, and the popularization is facilitated.
This unit breaks through the technical limitation of current air-cooled heat pump and water-cooling unit, fuses air cooling and water-cooling technical advantage, makes the new model of high efficiency that unites two into one, promotes the new change in air conditioning technology field, can replace current product completely, changes two strong patterns of current "air-cooled heat pump set" and "water-cooling water set", associates world air conditioning field class third pole, creates central air conditioning development epoch, can replace current air conditioner completely, overturns traditional air conditioner and knows.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments,
FIG. 1 is a schematic diagram of a pipeline structure of the multi-source cold and hot water pump module unit;
FIGS. 2 to 4 are schematic diagrams of the pipeline design of the refrigerant pump module;
FIGS. 5 to 8 are schematic diagrams of the pipeline design of the rectifier module;
FIGS. 9 to 10 are schematic diagrams of the pipeline design of the cold-heat source heat exchanger module;
FIGS. 11 to 12 are schematic diagrams of the design of the pipeline of the injection module;
FIG. 13 is a schematic of the piping design using the side module;
FIGS. 14 to 16 are schematic views of piping design of the hydro module;
FIG. 17 is a schematic view of the piping design for connecting the usage-side module and the hydro module;
fig. 18 is a schematic diagram of a use side pipeline structure of a multi-connected unit of an injection multi-source cold and hot water pump;
FIGS. 19 to 25 are schematic views of pipeline structures in working modes corresponding to embodiments 1 to 7 in sequence.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the injection multi-source cold and hot water module unit comprises a refrigerant pump pushing module, a rectifying module, a cold and heat source heat exchanger module, an injection module, a use side module and a hydraulic module.
The refrigerant pump pushing module comprises a compressor 11, and the compressor 11 is provided with a steam jet port and a gas return port;
the steam jet port forms nodes A1 and A2 communicated to the cold and heat source heat exchanger module and a node B communicated to the use side module through the multi-way valve group and the pipeline; a node C communicated with the injection module is formed between the node A1 (or the node A2) and the node B through a multi-way valve bank and a pipeline;
the return air port is communicated to a node D of the injection module through a pipeline.
Fig. 2 shows an embodiment of a multi-way valve set in a refrigerant pump module, which includes a first four-way valve Q1 and a second four-way valve Q2, where a steam jet port, a node a1, and a node C are respectively communicated with three valve ports of the first four-way valve Q1 through pipelines, a node a2, a node B, and a node C are respectively communicated with three valve ports of the second four-way valve Q2 through pipelines, and the remaining one valve ports of the first four-way valve Q1 and the second four-way valve Q2 are communicated with each other through a first connection pipe;
fig. 3 to 4 illustrate other embodiments of the multi-way valve set in the refrigerant pumping module, which may be a first three-way valve T1, a second three-way valve T2, and a third three-way valve T3, or a first two-way valve L1, a second two-way valve L2, a third two-way valve L3, a fourth two-way valve L4, a ninth two-way valve L9, and a tenth two-way valve L10.
The rectification module comprises a node F communicated to the cold and heat source heat exchanger module, a node G communicated to the use side module, a node H communicated to the injection module and a node I, wherein the node F is formed by the multi-way valve group and the pipeline.
FIG. 5 illustrates an embodiment of a multi-way valve set in a rectifier module, which is a third four-way valve Q3, wherein a node F, a node G, a node H and a node I are respectively communicated with four valve ports thereof through pipelines;
fig. 6 to 8 show other embodiments of the multi-way valve set in the rectifier module, which may be a fourth three-way valve T4 and a fifth three-way valve T5 arranged in parallel, or a fifth two-way valve L5 and a sixth two-way valve L6 arranged in series, and a seventh two-way valve L7 and an eighth two-way valve L8 arranged in series in parallel, or a first check valve S1 and a second check valve S2 arranged in series, and a third check valve S3 and a fourth check valve S4 arranged in series in parallel.
The cold and heat source heat exchanger module comprises a water source heat exchanger 21, an air source heat exchanger 22, nodes A1' and A2' which are formed by a multi-way valve group and pipelines and are respectively communicated to the refrigerant pumping module, and a node F ' which is communicated to the rectifying module.
Fig. 9 shows an embodiment of a multi-way valve set in the cold-heat source heat exchanger module, which is a sixth three-way valve T6, where the water source heat exchanger 21, the air source heat exchanger 22, and the node F ' are respectively communicated with three valve ports of a sixth three-way valve T6 through pipelines, the water source heat exchanger 21 is communicated to the refrigerant pump pushing module through a node a1', and the air source heat exchanger 22 is communicated to the refrigerant pump pushing module through a node a2 ';
fig. 10 shows another embodiment of the multi-way valve set in the cold heat source heat exchanger module, which may be an eleventh two-way valve L11, a twelfth two-way valve L12.
The injection module comprises an injector 31, a gas-liquid separator 32, a node H 'and a node I' which are formed by a multi-way valve group and a pipeline and are respectively communicated to the rectification module;
the ejector 31 is provided with an air inlet, an air suction port and a jet orifice;
the gas-liquid separator 32 is provided with a first refrigerant inlet, a first refrigerant outlet, a second refrigerant inlet and a second refrigerant outlet;
the air suction port is provided with a node C 'communicated with the refrigerant pumping module, the refrigerant first outlet is provided with a node D' communicated with the refrigerant pumping module, and the jet port is communicated with the refrigerant first inlet.
Fig. 11 shows an embodiment of a multi-way valve set in the injection module, which is a seventh three-way valve T7, where the air inlet, the node I ', and the second refrigerant inlet are respectively communicated with three valve ports of the seventh three-way valve T7 through pipelines, and the second refrigerant outlet is communicated with the node H' through a cooling and heating expansion valve;
fig. 12 shows another embodiment of a multi-way valve set in the ejector module, which may be a thirteenth two-way valve L13 and a fourteenth two-way valve L14.
A use-side module including an indoor-side heat exchanger 41;
referring to fig. 13, the indoor-side heat exchanger 41 has one chilled water inlet and one chilled water outlet;
the indoor heat exchanger 41 further has a node B 'connected to the refrigerant pumping module and a node G' connected to the rectifying module.
The hydraulic module comprises a cooling water inlet and a cooling water outlet;
the water source heat exchanger 21 is connected in series between the cooling water inlet and the cooling water outlet;
a multi-source cooling system is connected in parallel on the cooling water inlet and the cooling water outlet;
referring to fig. 14-15, the multi-source cooling system includes a closed cooling system or an open cooling system;
a pipeline of the cooling water inlet is provided with a filter, a cooling water pump, a check valve and a water source heat exchanger control valve;
the pipeline of the cooling water inlet is also communicated with a pressure stabilizing tank, a water supplementing control valve and a water supplementing pump to form a constant pressure water supplementing system.
Referring to fig. 16, preferably, the multi-source cooling system further includes:
the waste (hot) water source heat exchanger and the waste (hot) water source control valve are arranged on the cooling water inlet and the cooling water outlet in parallel, the solar heat collection heat exchanger and the solar control valve, the ground (water) source heat exchanger and the ground (water) source control valve.
The node a1 and the node a1', the node a2 and the node a2', the node B and the node B ', the node C and the node C ', the node D and the node D ', the node F and the node F ', the node G and the node G ', the node H and the node H ', and the node I ' are correspondingly connected.
Fig. 17 shows a possible connection piping structure using side modules and hydro modules in a multi-source cooling embodiment.
The application simultaneously relates to an injection multisource cold and hot water pump multi-connected unit, which comprises the refrigerant pump pushing module, the rectifying module, the cold and hot source heat exchanger module, the injection module, the use side module and the hydraulic module.
Referring to fig. 18, the side module used therefor includes a plurality of sets of indoor side heat exchangers 41 arranged in parallel.
The injection multi-source cold and hot water pump module unit is described in detail below with reference to the accompanying drawings and different working modes of the unit.
Example 1
Referring to fig. 19, air-cooling normal cooling mode:
a refrigerant circulating system: the end Q1ob of the first four-way valve is communicated with the end ai; the end Q2ia of the second four-way valve is communicated with the end bo; the end of the third four-way valve Q3ib is communicated with the ao end; the end of the sixth three-way valve T6oa is communicated; the seventh three-way valve T7bo is open at one end.
Refrigerant circulation path: the refrigerant sequentially flows through a steam jet port of the compressor 11, a first valve port o and a fourth valve port b of a first four-way valve Q1, a first valve port o and a fourth valve port b of a second four-way valve Q2, an air source heat exchanger 22, a second valve port a and a first valve port o of a sixth three-way valve T6, a first valve port o and a third valve port a of a third four-way valve Q3 of a rectification module, a first valve port o and a third valve port b of a seventh three-way valve T7 of an injection module, and a second refrigerant inlet of the gas-liquid separator 32, and after the refrigerant is subjected to gas-liquid separation, low-pressure refrigerant steam passes through a first refrigerant outlet of the gas-liquid separator 32 and a return air port of the compressor 11 to complete a high-pressure cycle; the refrigerant liquid passes through the second refrigerant outlet of the gas-liquid separator 32, the cooling and heating expansion valve, the fourth valve port b and the second valve port i of the third four-way valve Q3, the indoor heat exchanger 41, the third valve port a and the second valve port i of the second four-way valve Q2, the air suction port and the injection port of the ejector 31, the first refrigerant inlet of the gas-liquid separator 32, the first refrigerant outlet and the return air port of the compressor 11 to complete a refrigeration cycle.
A water circulation system:
1) a cooling system: closing a control valve of the water source heat exchanger, closing a cooling water pump and stopping the work of the water source heat exchanger 21; the fan is turned on and the air source heat exchanger 22 is operating.
Air from the environment with lower temperature flows through the surface of the air source heat exchanger 22 under the action of the fan, exchanges heat with refrigerant steam in the heat exchanger to be heated and then is discharged through an air outlet of the exchanger unit, and the refrigerant steam with higher temperature is cooled and liquefied and then enters the rectification module.
2) A refrigeration system: the high temperature chilled water from the room passes through the chilled water inlet, the heat exchanger inlet and the indoor side heat exchanger 41 under the action of pump pushing, exchanges heat with the refrigerant liquid flowing through the heat exchanger for cooling, passes through the heat exchanger outlet, the chilled water outlet and enters the room for cooling, and the liquid refrigerant is vaporized to absorb heat and raise the temperature, and then continues to the next process. The low-temperature chilled water exchanges heat with indoor air, is heated up, and then flows back to the indoor side heat exchanger 41 to continue heat exchange, and a cooling cycle is completed.
And the water supplementing electric valve of the constant pressure water supplementing system is opened when the constant pressure water supplementing system is at a certain pressure point, and is closed when the constant pressure water supplementing system is higher than the certain pressure point.
The refrigerating system and the refrigerating system are the same medium, such as water, glycol aqueous solution, calcium chloride aqueous solution and the like.
Example 2
Referring to fig. 20, the air-cooling injection refrigeration mode:
a refrigerant circulating system: the ai end of the Q1bo end of the first four-way valve is communicated; the end Q2ob of the second four-way valve is communicated with the end ai; the end of the third four-way valve Q3ib is communicated with the ao end; the end of the sixth three-way valve T6ao is communicated; the seventh three-way valve T7ao is open at one end.
In the high-pressure refrigerant loop of the refrigerant cycle, the refrigerant sequentially flows through a steam jet port of the compressor 11, a first valve port o and a fourth valve port b of a first four-way valve Q1, a first valve port o and a fourth valve port b of a second four-way valve Q2, the air source heat exchanger 22, a second valve port a and a first valve port o of a sixth three-way valve T6, a first valve port o and a third valve port a of a third four-way valve Q3, a first valve port o and a second valve port a of a seventh three-way valve T7 of the injection module, an air inlet of the injector 31, an injection port of the injector 31, a first refrigerant inlet of the gas-liquid separator 32 and a return air port of the first refrigerant outlet compressor 11.
In the low-pressure refrigerant loop of the refrigerant cycle, the refrigerant passes through the second refrigerant outlet of the gas-liquid separator 32, the cooling and heating expansion valve, the fourth valve port b and the second valve port i of the third four-way valve Q3, the indoor heat exchanger 41, the third valve port a and the second valve port i of the second four-way valve Q2, the air suction port and the injection port of the ejector 31, the first refrigerant inlet and the first refrigerant outlet of the gas-liquid separator 32 and the return air port of the compressor 11 to complete a refrigeration cycle.
A water circulation system:
1) a cooling system: closing a control valve of the water source heat exchanger, closing a cooling water pump and stopping the work of the water source heat exchanger 21; the fan is turned on and the air source heat exchanger 22 is operating.
Air from the environment with lower temperature flows through the surface of the air source heat exchanger 22 under the action of the fan, exchanges heat with refrigerant steam in the heat exchanger to be heated and then is discharged through an air outlet of the exchanger unit, and the refrigerant steam with higher temperature is cooled and liquefied and then enters the rectification module.
2) A refrigeration system: the high temperature chilled water from the room passes through the chilled water inlet, the heat exchanger inlet and the indoor side heat exchanger 41 under the action of pump pushing, exchanges heat with the refrigerant liquid flowing through the heat exchanger for cooling, passes through the heat exchanger outlet, the chilled water outlet and enters the room for cooling, and the liquid refrigerant is vaporized to absorb heat and raise the temperature, and then continues to the next process. The low-temperature chilled water exchanges heat with indoor air, is heated up, and then flows back to the indoor side heat exchanger 41 to continue heat exchange, and a cooling cycle is completed.
And the water supplementing electric valve of the constant pressure water supplementing system is opened when the constant pressure water supplementing system is at a certain pressure point, and is closed when the constant pressure water supplementing system is higher than the certain pressure point.
The refrigerating system and the refrigerating system are the same medium, such as water, glycol aqueous solution, calcium chloride aqueous solution and the like.
Example 3
Referring to fig. 21, the water-cooling normal cooling mode:
a refrigerant circulating system: the end of the first four-way valve Q1ao is communicated with the end bi; the end Q2ob of the second four-way valve is communicated with the end ai; the end of the third four-way valve Q3oa is communicated with the end bi; the end of the sixth three-way valve T6bo is communicated; the seventh three-way valve T7ob is open at one end.
Refrigerant circulation path: the first valve port o and the third valve port a of the first four-way valve Q1, the water source heat exchanger 21, the third valve port b and the first valve port o of the sixth three-way valve T6, the first valve port o and the third valve port a of the third four-way valve Q3 of the rectifier module, the first valve port o and the third valve port b of the seventh three-way valve T7 of the ejector module, the second refrigerant inlet of the gas-liquid separator 32, the second refrigerant outlet, the cooling and heating expansion valve, the fourth valve port b and the second valve port i of the third four-way valve Q3, the indoor side heat exchanger 41, the third valve port a and the second valve port i of the second four-way valve Q2, the suction port and the injection port of the ejector 31, the first outlet of the gas-liquid separator 32, and the return air port of the compressor 11.
A water circulation system:
a cooling system: the fan is turned off, and the air source heat exchanger 22 stops working; the control valve of the water source heat exchanger is opened, the cooling water pump is opened, and the water source heat exchanger 21 works.
Cooling water (secondary refrigerant) from a cooling tower at a lower temperature enters the water source heat exchanger 21 through the filter, the cooling water pump, the check valve, the cooling water inlet, the water source heat exchanger control valve and the cooling water inlet under the action of pump pushing, and low-temperature cooling water exchanges heat with high-temperature refrigerant steam in the water source heat exchanger 21 to heat up, and then is cooled through the heat exchanger outlet, the cooling water outlet, the water source heat exchanger control valve and the water inlet source heat exchanger 21 to perform next circulation. The refrigerant with higher temperature is cooled and liquefied and then enters the rectification module.
A refrigeration system: the high temperature chilled water from the room passes through the chilled water inlet, the heat exchanger inlet and the indoor side heat exchanger 41 under the pushing action of the chilled water pump, exchanges heat with the refrigerant liquid flowing through the heat exchanger for cooling, then passes through the heat exchanger outlet, the chilled water outlet and the indoor side for cooling, and the liquid refrigerant is vaporized to absorb heat and raise the temperature, and then the next process is continued. The low-temperature chilled water exchanges heat with indoor air, is heated up, and then flows back to the indoor side heat exchanger 41 to continue heat exchange, and a cooling cycle is completed.
And the water supplementing electric valve of the constant pressure water supplementing system is opened when the constant pressure water supplementing system is at a certain pressure point, and is closed when the constant pressure water supplementing system is higher than the certain pressure point.
The refrigerating system and the refrigerating system are the same medium, such as water, glycol aqueous solution, calcium chloride aqueous solution and the like.
Example 4
Referring to fig. 22, the water-cooling injection refrigeration mode:
a refrigerant circulating system: the end of the first four-way valve Q1oa is communicated with the end bi; the end Q2ob of the second four-way valve is communicated with the end ai; the end of the third four-way valve Q3oa is communicated with the end bi; the end of the sixth three-way valve T6bo is communicated; the seventh three-way valve T7ao is open at one end.
In the high-pressure refrigerant loop of the refrigerant cycle, the refrigerant sequentially flows through a steam jet port of the compressor 11, a first valve port o and a third valve port a of a first four-way valve Q1, a water source heat exchanger 21, a third valve port b and a first valve port o of a sixth three-way valve T6, a first valve port o and a third valve port a of a third four-way valve Q3, a first valve port o and a second valve port a of a seventh three-way valve T7 of the ejector module, an air inlet and an injection port of the ejector 31, a first refrigerant inlet and a first refrigerant outlet of the gas-liquid separator 32, and a suction port of the compressor 11.
In the low-pressure refrigerant circuit of the refrigerant cycle, the refrigerant sequentially flows through the second refrigerant outlet of the gas-liquid separator 32, the cooling-heating expansion valve, the fourth valve port b and the second valve port i of the third four-way valve Q3, the indoor-side heat exchanger 41, the third valve port a and the second valve port i of the second four-way valve Q2, the suction port and the injection port of the ejector 31, the first refrigerant outlet of the gas-liquid separator 32, and the return air port of the compressor 11.
High-pressure high-speed two-phase flow refrigerant in the high-pressure refrigeration cycle is taken as working fluid and enters the mixing chamber of the ejector 31 from the air inlet of the ejector 31 to absorb low-pressure low-speed ejection fluid refrigerant steam from the air suction port, two flows of refrigerant carry out momentum and mass exchange and mixed pressure rise in the mixing chamber of the ejector 31, the pressure is further increased after the speed is reduced by the diffusion chamber, and the refrigerant is discharged from the jet orifice of the ejector 31. The refrigeration cycle with the ejector 31 can effectively absorb power loss caused by work of the compressor 11, decompression of the expansion valve, pipeline friction and the like, and the overall efficiency of the refrigeration cycle is improved under the condition that the power of the compressor 11 is not increased.
A water circulation system:
1) a cooling system: the control valve of the water source heat exchanger is opened, the cooling water pump is opened, and the water source heat exchanger 21 works; the fan is turned off and the air source heat exchanger 22 is terminated.
Cooling water (secondary refrigerant) from a cooling tower at a lower temperature enters the water source heat exchanger 21 through the filter, the cooling water pump, the check valve, the cooling water inlet, the water source heat exchanger control valve and the cooling water inlet under the action of pump pushing, and low-temperature cooling water exchanges heat with high-temperature refrigerant steam in the water source heat exchanger 21 to heat up, and then is cooled through the heat exchanger outlet, the cooling water outlet, the water source control valve and the water inlet heat exchanger 21 to perform next circulation. The refrigerant is cooled and liquefied and then enters the rectification module.
2) A refrigeration system: the high temperature chilled water from the room passes through the chilled water inlet, the heat exchanger inlet and the indoor side heat exchanger 41 under the action of pump pushing, exchanges heat with the refrigerant liquid flowing through the heat exchanger for cooling, passes through the heat exchanger outlet, the chilled water outlet and enters the room for cooling, and the liquid refrigerant is vaporized to absorb heat and raise the temperature, and then continues to the next process. The low-temperature chilled water exchanges heat with indoor air, is heated up, and then flows back to the indoor side heat exchanger 41 to continue heat exchange, and a cooling cycle is completed.
And the water supplementing electric valve of the constant pressure water supplementing system is opened when the constant pressure water supplementing system is at a certain pressure point, and is closed when the constant pressure water supplementing system is higher than the certain pressure point.
The refrigerating system and the refrigerating system are the same medium, such as water, glycol aqueous solution, calcium chloride aqueous solution and the like.
Example 5
Referring to fig. 23, the air-source heat pump conventional heating mode:
a refrigerant circulating system: the end Q1ob of the first four-way valve is communicated with the end ai; the end of the second four-way valve Q2oa is communicated with the end bi; the end of the third four-way valve Q3ia is communicated with the end bo; the end of the sixth three-way valve T6ao is communicated; the seventh three-way valve T7ob is open at one end.
In the high-pressure refrigerant circuit of the refrigerant cycle: the refrigerant sequentially flows through a steam jet port of the compressor 11, a first valve port o and a fourth valve port b of the first four-way valve Q1, a first valve port o and a third valve port a of the second four-way valve Q2, the indoor-side heat exchanger 41, a second valve port i and a third valve port a of the third four-way valve Q3 of the rectification module, a first valve port o and a third valve port b of the seventh three-way valve T7 of the injection module, a second refrigerant inlet of the gas-liquid separator 32, a first refrigerant outlet of the gas-liquid separator 32 for the gas-liquid refrigerant, and a return air port of the compressor 11.
In the low-pressure refrigerant loop of the refrigerant cycle, the refrigerant liquid sequentially passes through the second refrigerant outlet of the gas-liquid separator 32, the cooling and heating expansion valve, the fourth valve port b and the first valve port o of the third four-way valve Q3, the first valve port o and the second valve port a of the sixth three-way valve T6 of the cooling and heating source heat exchanger module, the air source heat exchanger 22, the fourth valve port b and the second valve port i of the second four-way valve Q2, the suction port and the injection port of the ejector 31, the first refrigerant inlet and the first refrigerant outlet of the gas-liquid separator 32, and the return air of the compressor 11 to complete a refrigeration cycle.
A water circulation system:
1) a cooling system: the cooling water pump is closed, the control valve of the water source heat exchanger is closed, and the water source heat exchanger 21 stops working; the fan is started and the air source heat exchanger 22 is operated. The outdoor air exchanges heat with the air source heat exchanger 22 under the action of the fan, and the refrigerant absorbs heat, is vaporized and heated, and then is circulated next time; and the air is discharged out of the unit after being cooled.
2) A refrigeration system:
the low temperature chilled water from the indoor passes through the Y-shaped filter, the chilled water pump, the check valve, the indoor side heat exchanger control valve, the chilled water inlet and the indoor side heat exchanger 41 under the pump pushing action, exchanges heat with the refrigerant liquid flowing through the inside of the heat exchanger, heats up, passes through the heat exchanger outlet, enters the indoor for supplying heat, liquefies the vaporous refrigerant, releases heat and cools down, and then continues the next process. The high-temperature chilled water exchanges heat with indoor air, is cooled, then flows back to the indoor side heat exchanger 41 to continuously absorb heat, and a heat supply cycle is completed.
And the water supplementing electric valve of the constant pressure water supplementing system is opened when the constant pressure water supplementing system is at a certain pressure point, and is closed when the constant pressure water supplementing system is higher than the certain pressure point.
The refrigerating system and the refrigerating system are the same medium, such as water, glycol aqueous solution, calcium chloride aqueous solution and the like.
Example 6
Referring to fig. 24, the air-cooled heat pump injection heating mode:
a refrigerant circulating system: the end Q1ob of the first four-way valve is communicated with the end ai; the end of the second four-way valve Q2oa is communicated with the end bi; the end of the third four-way valve Q3ia is communicated with the end bo; the end of the sixth three-way valve T6ao is communicated; the seventh three-way valve T7ao is open at one end.
In the high-pressure refrigerant circuit, a refrigerant sequentially flows through a steam jet port of the compressor 11, a first valve port o and a fourth valve port b of a first four-way valve Q1, a first valve port o and a third valve port a of a second four-way valve Q2, the indoor-side heat exchanger 41, a second valve port i and a third valve port a of a third four-way valve Q3 of the rectification module, a first valve port o and a second valve port a of a seventh three-way valve T7 of the injection module, an air inlet of the injector 31, an injection port, a first refrigerant inlet of the gas-liquid separator 32, and refrigerant steam to a return air port of the compressor 11 through a first refrigerant outlet.
In the low-pressure refrigerant loop, liquid refrigerant sequentially passes through the second refrigerant outlet of the gas-liquid separator 32, the cooling and heating expansion valve, the fourth valve port b and the first valve port o of the third four-way valve Q3, the first valve port o and the second valve port a of the sixth three-way valve T6 of the cooling and heating source heat exchanger module, the air source heat exchanger 22, the fourth valve port b and the second valve port i of the sixth four-way valve Q2 of the second four-way valve, the injection suction port, the injection port, the first refrigerant inlet, the first refrigerant outlet and the return air of the compressor 11 to complete a refrigeration cycle.
High-pressure high-speed two-phase flow refrigerant in the high-pressure refrigeration cycle is taken as working fluid and enters the mixing chamber of the ejector 31 from the air inlet of the ejector 31 to absorb low-pressure low-speed ejection fluid refrigerant steam from the air suction port, two flows of refrigerant carry out momentum and mass exchange and mixed pressure rise in the mixing chamber of the ejector 31, the pressure is further increased after the speed is reduced by the diffusion chamber, and the refrigerant is discharged from the jet orifice of the ejector 31. The refrigeration cycle with the ejector 31 can effectively absorb power loss caused by work of the compressor 11, decompression of the expansion valve, pipeline friction and the like, and the overall efficiency of the refrigeration cycle is improved under the condition that the power of the compressor 11 is not increased.
1) Cold and heat source system: the cooling water pump is closed, the control valve of the water source heat exchanger is closed, and the water source heat exchanger 21 stops working; the fan is started and the air source heat exchanger 22 is operated. The outdoor air exchanges heat with the air source heat exchanger 22 under the action of the fan, and the refrigerant absorbs heat, is vaporized and heated, and then is circulated next time; and the air is discharged out of the unit after being cooled.
2) A refrigeration system: the lower temperature chilled water from the indoor enters the indoor heat exchanger 41 under the pushing action of the chilled water pump, exchanges heat with the refrigerant liquid flowing through the inside of the heat exchanger, heats up, enters the indoor through the outlet of the heat exchanger, supplies heat, liquefies the vaporous refrigerant, releases heat, cools down, and continues the next process. The high-temperature chilled water exchanges heat with indoor air, is cooled, then flows back to the indoor side heat exchanger 41 to continuously absorb heat, and a heat supply cycle is completed.
The water supplementing electromagnetism of the constant-pressure water supplementing system is opened when the pressure point is higher than a certain pressure point, and the water supplementing electromagnetism is closed when the pressure point is higher than the certain pressure point.
The refrigerating system and the refrigerating system are the same medium, such as water, glycol aqueous solution, calcium chloride aqueous solution and the like.
Example 7
Referring to fig. 25, the air-cooled heat pump is in the normal defrosting mode:
a refrigerant circulating system: the end Q1bo of the first four-way valve is communicated with the end ai; the end Q2ob of the second four-way valve is communicated with the end ai; the end of the third four-way valve Q3ib is communicated with the ao end; the end of the sixth three-way valve T6oa is communicated; the seventh three-way valve T7bo is open at one end.
Refrigerant circulation path: the refrigerant sequentially flows through a steam jet port of the compressor 11, a first valve port o and a fourth valve port b of a first four-way valve Q1, a first valve port o and a fourth valve port b of a second four-way valve Q2, an air source heat exchanger 22, a second valve port a and a first valve port o of a sixth three-way valve T6, a first valve port o and a third valve port a of a third four-way valve Q3 of the rectification module, a first valve port o and a third valve port b of a seventh three-way valve T7 of the injection module, a second refrigerant inlet of the gas-liquid separator 32, refrigerant steam enters a return port of the compressor 11 through a first refrigerant outlet of the gas-liquid separator 32, liquid refrigerant passes through a second refrigerant outlet of the gas-liquid separator 32, an expansion valve, a fourth valve port b and a second valve port i of a third four-way valve Q3, an indoor side heat exchanger 41, a third valve port a and a second valve port i of the second four-way valve Q2, an injection port of the injection 31, an injection port of the gas-liquid separator 32, a first inlet of the gas-liquid separator 32, a second valve, The first outlet of the refrigerant and the return air port of the compressor 11 complete a defrosting cycle.
A water circulation system:
1) a cooling system: closing a water source heat exchanger control valve, closing a cooling tower control valve and closing a cooling water pump. The fan is turned off and the air source heat exchanger 22 is in a defrost state.
2) A refrigeration system: the high-temperature chilled water from the room passes through the Y-shaped filter, the chilled water pump, the check valve, the indoor side heat exchanger control valve, the chilled water inlet and the indoor side heat exchanger 41 under the action of pump pushing, exchanges heat with refrigerant liquid flowing through the inside of the heat exchanger to be cooled, absorbs heat through the heat exchanger outlet and the indoor side, after the liquid refrigerant is vaporized to absorb heat and is heated, the low-temperature chilled water exchanges heat with indoor air to be heated, and then flows back to the indoor side heat exchanger 41, and a cooling cycle is completed. The refrigerant is vaporized in the indoor heat exchanger 41 and then flows back to the compressor 11 to generate high-temperature and high-pressure steam, the high-temperature and high-pressure steam is discharged into the air source heat exchanger 22 through the compressor 11 to exchange heat with ice (frost) on the surface of the air source heat exchanger 22, the refrigerant is liquefied, the ice is melted and discharged out of the unit shell, the refrigerant continues to circulate next time, and the defrosting process is completed.
It should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a multisource hot and cold water module unit which characterized in that: the system comprises a refrigerant pump pushing module, a rectifying module, a cold and heat source heat exchanger module, an injection module, a use side module and a hydraulic module;
the refrigerant pump pushing module comprises a compressor, and the compressor is provided with a steam jet port and a gas return port;
the steam jet port is communicated with nodes A1 and A2 of the cold and heat source heat exchanger module and a node B of the use side module through the multi-way valve group and the pipeline; a node C communicated with the injection module is formed between the node A1 and the node B through a multi-way valve bank and a pipeline;
the return air port forms a node D communicated to the injection module through a pipeline;
the rectifying module comprises a node F communicated to the cold and heat source heat exchanger module, a node G communicated to the use side module, a node H communicated to the injection module and a node I which are formed by the multi-way valve group and the pipeline;
the cold and heat source heat exchanger module comprises a water source heat exchanger, an air source heat exchanger, nodes A1' and A2' which are formed by a multi-way valve group and a pipeline and are respectively communicated to the refrigerant pump pushing module, and a node F ' which is communicated to the rectifying module;
the injection module comprises an injector, a gas-liquid separator, a node H 'and a node I' which are formed by a multi-way valve group and a pipeline and are respectively communicated to the rectification module;
the ejector is provided with an air inlet, an air suction port and a jet orifice;
the gas-liquid separator is provided with a first refrigerant inlet, a first refrigerant outlet, a second refrigerant inlet and a second refrigerant outlet;
the suction port is provided with a node C 'communicated to the refrigerant pumping module, the first refrigerant outlet is provided with a node D' communicated to the refrigerant pumping module, and the jet port is communicated with the first refrigerant inlet;
the usage-side module comprises an indoor-side heat exchanger;
the indoor side heat exchanger is provided with a chilled water inlet and a chilled water outlet;
the indoor side heat exchanger is also provided with a node B 'communicated to the refrigerant pumping module and a node G' communicated to the rectifying module;
the hydraulic module comprises a cooling water inlet and a cooling water outlet;
the water source heat exchanger is connected in series between the cooling water inlet and the cooling water outlet;
the cooling water inlet and the cooling water outlet are connected with a multi-source cooling system in parallel;
the node A1 is correspondingly connected with the node A1', the node A2 is connected with the node A2', the node B is connected with the node B ', the node C is connected with the node C ', the node D is connected with the node D ', the node F is connected with the node F ', the node G is connected with the node G ', the node H is connected with the node H ', and the node I is connected with the node I '.
2. The multi-source hot and cold water module unit of claim 1, wherein:
in the refrigerant pump push module:
the multi-way valve group comprises a first four-way valve and a second four-way valve, the steam jet port, a node A1 and a node C are respectively communicated with three valve ports of the first four-way valve through pipelines, the node A2, the node B and the node C are respectively communicated with three valve ports of the second four-way valve through pipelines, and the rest valve ports of the first four-way valve and the second four-way valve are communicated through a first connecting pipe;
or the multi-way valve group comprises a first three-way valve, a second three-way valve and a third three-way valve, the steam injection port and the parallel nodes A1 and A2 are respectively communicated with two valve ports of the first three-way valve through pipelines, the node B and the parallel nodes A1 and A2 are respectively communicated with two valve ports of the third three-way valve through pipelines, the rest valve ports of the first three-way valve and the third three-way valve are communicated through a second connecting pipe, and the node B, the node C and the parallel nodes A1 and A2 are respectively communicated with three valve ports of the second three-way valve through pipelines;
or the multi-way valve group comprises a first two-way valve, a second two-way valve, a third two-way valve, a fourth two-way valve, a ninth two-way valve and a tenth two-way valve, the steam injection port is communicated between the first two-way valve and the second two-way valve through a pipeline, the nodes A1 and A2 are connected in parallel and then communicated with the first two-way valve, the third two-way valve and the tenth two-way valve respectively, the first two-way valve is connected with the second two-way valve and the ninth two-way valve in series and then communicated with the node B, the third two-way valve is connected with the fourth two-way valve in series and then communicated with the node B, the tenth two-way valve is communicated between the second two-way valve and the ninth two-way valve through a pipeline, and the node C is communicated between the third two-way valve and the fourth two-way valve through a pipeline.
3. The multi-source hot and cold water module unit of claim 1, wherein:
in the rectifier module:
the multi-way valve group is a third four-way valve, and the node F, the node G, the node H and the node I are respectively communicated with four valve ports of the multi-way valve group through pipelines;
or the multi-way valve group comprises a fourth three-way valve and a fifth three-way valve which are arranged in parallel, the node F, the node H and the node I are respectively communicated with three valve ports of the fourth three-way valve through pipelines, and the node G, the node H and the node I are respectively communicated with three valve ports of the fifth three-way valve through pipelines;
or the multi-way valve group comprises a fifth two-way valve, a sixth two-way valve, a seventh two-way valve and an eighth two-way valve which are connected in series and are arranged in parallel, a node F is communicated between the fifth two-way valve and the sixth two-way valve, a node G is communicated between the seventh two-way valve and the eighth two-way valve, a node H is communicated between the sixth two-way valve and the eighth two-way valve, and a node I is communicated between the fifth two-way valve and the seventh two-way valve;
or the multi-way valve group comprises a first check valve and a second check valve which are connected in series, and a third check valve and a fourth check valve which are connected in series and are arranged in parallel.
4. The multi-source hot and cold water module unit of claim 1, wherein:
in the cold heat source heat exchanger module:
the multi-way valve group is a sixth three-way valve, the water source heat exchanger, the air source heat exchanger and the node F ' are respectively communicated with three valve ports of the sixth three-way valve through pipelines, the water source heat exchanger is communicated to the refrigerant pump pushing module through a node A1', and the air source heat exchanger is communicated to the refrigerant pump pushing module through a node A2 ';
or the multi-way valve group comprises an eleventh two-way valve and a twelfth two-way valve, the eleventh two-way valve is communicated between the air source heat exchanger and a node F ', the twelfth two-way valve is communicated between the water source heat exchanger and the node F', the water source heat exchanger is communicated to the refrigerant pump pushing module through a node A1', and the air source heat exchanger is communicated to the refrigerant pump pushing module through a node A2'.
5. The multi-source hot and cold water module unit of claim 1, wherein:
in the injection module:
the multi-way valve group is a seventh three-way valve, the air inlet, the node I 'and a second refrigerant inlet are respectively communicated with three valve ports of the seventh three-way valve through pipelines, and a second refrigerant outlet is communicated with a node H' through a cold-warm expansion valve;
or, the multi-way valve group is a thirteenth two-way valve and a fourteenth two-way valve, the thirteenth two-way valve is communicated between the air inlet and the node I ', the fourteenth two-way valve is communicated between a second refrigerant inlet and the node I ', and a second refrigerant outlet is communicated with the node H ' through a cooling and heating expansion valve.
6. The multi-source hot and cold water module unit of claim 1, wherein:
the multi-source cooling system comprises a closed cooling system or an open cooling system;
and a filter, a cooling water pump, a check valve and a water source heat exchanger control valve are arranged on the pipeline of the cooling water inlet.
7. The multi-source hot and cold water module unit according to claim 1 or 6, wherein:
and the pipeline of the cooling water inlet is also communicated with a pressure stabilizing tank, a water supplementing control valve and a water supplementing pump.
8. The multi-source hot and cold water module unit according to claim 1 or 6, wherein:
the multi-source cooling system also comprises a waste (hot) water source heat exchanger and a waste (hot) water source control valve which are arranged on the cooling water inlet and the cooling water outlet in parallel, a solar heat collection heat exchanger and a solar control valve, a ground (water) source heat exchanger and a ground (water) source control valve.
9. The multi-source hot and cold water module unit of claim 1, wherein:
the use side module comprises a plurality of groups of indoor side heat exchangers which are arranged in parallel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311303908.5A CN117490270A (en) | 2021-06-08 | 2021-06-08 | Multi-unit composed of multi-source cold-hot water module unit |
| CN202110640012.0A CN113531939B (en) | 2021-06-08 | 2021-06-08 | Multi-source cold and hot water module unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110640012.0A CN113531939B (en) | 2021-06-08 | 2021-06-08 | Multi-source cold and hot water module unit |
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| CN202311303908.5A Division CN117490270A (en) | 2021-06-08 | 2021-06-08 | Multi-unit composed of multi-source cold-hot water module unit |
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| CN113531939A true CN113531939A (en) | 2021-10-22 |
| CN113531939B CN113531939B (en) | 2023-10-27 |
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| CN202110640012.0A Active CN113531939B (en) | 2021-06-08 | 2021-06-08 | Multi-source cold and hot water module unit |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205641658U (en) * | 2016-04-25 | 2016-10-12 | 广州哈思新能源科技有限公司 | High -efficient wind water -cooled generator group in two sources |
| CN107120863A (en) * | 2017-06-14 | 2017-09-01 | 珠海格力电器股份有限公司 | Heat pump system |
| CN209386636U (en) * | 2018-12-24 | 2019-09-13 | 中国包装科研测试中心 | A kind of amblent air temperature case refrigeration supply circulatory system |
-
2021
- 2021-06-08 CN CN202311303908.5A patent/CN117490270A/en active Pending
- 2021-06-08 CN CN202110640012.0A patent/CN113531939B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205641658U (en) * | 2016-04-25 | 2016-10-12 | 广州哈思新能源科技有限公司 | High -efficient wind water -cooled generator group in two sources |
| CN107120863A (en) * | 2017-06-14 | 2017-09-01 | 珠海格力电器股份有限公司 | Heat pump system |
| CN209386636U (en) * | 2018-12-24 | 2019-09-13 | 中国包装科研测试中心 | A kind of amblent air temperature case refrigeration supply circulatory system |
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| CN113531939B (en) | 2023-10-27 |
| CN117490270A (en) | 2024-02-02 |
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