CN101235993B - Four pipe heating pump, hot water three-purpose central air-conditioning system - Google Patents
Four pipe heating pump, hot water three-purpose central air-conditioning system Download PDFInfo
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- CN101235993B CN101235993B CN2008100707021A CN200810070702A CN101235993B CN 101235993 B CN101235993 B CN 101235993B CN 2008100707021 A CN2008100707021 A CN 2008100707021A CN 200810070702 A CN200810070702 A CN 200810070702A CN 101235993 B CN101235993 B CN 101235993B
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Abstract
The invention relates to a four-pipe triple-purpose central air-conditioning system of heat pump and hot water, which is composed of an aggregate of heat pump and hot water, a wet cooling tower, an indoor exchanger, a condenser pump, a frozen pump, a hot water circulating pump and a hot water insulation can, wherein the aggregate of heat pump and hot water is composed of a compressor, a hot water exchanger, a condenser, a filter, a throttle mechanism and an evaporator, the wet cooling tower is composed of a fintube coil, a circulation pump of a cooling tower and a cooling air fan. The four-pipe triple-purpose central air-conditioning system can provide a secondary refrigerant in four-pipe, can provide a hot secondary refrigerant, a cool secondary refrigerant and domestic hot water all the year around, and can adjust the indoor temperature limberly and provide the domestic hot water at any time. The four-pipe triple-purpose central air-conditioning system of the invention is low in equipment investment, can save energy, reduce pollutants discharge, and reduce operating cost.
Description
One, technical field
A kind of four-pipe heating pump, hot water three-purpose central air conditioner system have been the present invention relates to
Two, background technology
At present general big-and-middle-sized central air-conditioning of water-cooled or ground resource heat pump central air-conditioning can only be cooling water or the Double tube of heat supply in winter water supplies water in summer; Can not satisfy some the room requirement heat supply of some room requirement cooling; And the hot water supply system heats through liquefied gas, electricity, oil, boiler basically; Consume a large amount of fuel during use, and want great amount of heat to discharge through cooling tower during the central air-conditioning refrigeration, these heats do not have fine utilization.
Three, summary of the invention
The present invention is a kind of four-pipe heating pump, hot water three-purpose central air conditioner system; Four control simultaneously provide refrigerating medium, can supply with hot refrigerating medium, cold refrigerating medium and domestic hot-water in the whole year simultaneously, and room temperature is realized flexible; Cold and heat supply can, whole day provides the domestic hot-water.The present invention constitutes like this: 1. a four-pipe heating pump, hot water three-purpose central air conditioner system are by heat pump, hot water unit, wet cooling tower, indoor heat exchanger, condenser pump; Refrigerating water pump, hot water circulating pump, the hot water thermal insulating case is formed; Heat pump, hot water unit be by compressor, hot water heat exchanger, condenser; Filter, throttle mechanism, evaporimeter is formed; It is characterized in that: 1) outlet of described compressor links to each other with the hot water heat exchanger inlet through pipeline, and hot water heat exchanger links to each other with condenser inlet in outlet, and condensator outlet links to each other with filter inlet; The outlet of filter links to each other with the throttle mechanism import, and the throttle mechanism outlet links to each other with evaporator, and evaporator outlet links to each other with the suction port of compressor; 2) described condenser links to each other with wet cooling tower with indoor heat exchanger respectively through valve, and described indoor heat exchanger links to each other with condenser pump respectively through valve with wet cooling tower, and described condenser pump links to each other with condenser through valve; Described evaporimeter links to each other with wet cooling tower with indoor heat exchanger respectively through valve, and described indoor heat exchanger links to each other with refrigerating water pump respectively through valve with wet cooling tower, and described refrigerating water pump links to each other with evaporimeter through valve; 3) outlet of described hot water heat exchanger links to each other with the hot water thermal insulating tank inlet through pipeline, and the outlet of described hot water thermal insulating case links to each other with the inlet of hot water circulating pump, and described hot water circuit pump discharge links to each other with the hot water heat exchanger inlet.
The present invention's three usefulness central air conditioner system equipment investments are few, and energy-saving and emission-reduction reduce operating cost.
Four, description of drawings
Fig. 1 is four-pipe heating pump, hot water three-purpose central air conditioner system schematic diagram.
Fig. 2 is four control pistons, vortex, screw rod, multistage centrifugal heat pump, hot water three-purpose central air conditioner system schematic diagram.
Fig. 3 is four control screws, multistage centrifugal heat pump, hot water three-purpose central air conditioner system schematic diagram.
Fig. 4 is a fin wet cooling tower plan view.
Fig. 5 a, Fig. 5 b are fin wet cooling tower vertical views.
Fig. 6 a, Fig. 6 b are the I-I views among Fig. 4.
A heat pump, hot water unit among the above-mentioned figure, A1 compressor, A2 condenser, A3 evaporimeter, the dual-purpose throttle mechanism of A4, the A5 restricting element that freezes; A6 heats restricting element, the A7A8 motor-driven valve, and the A9 filter, the cooling expansion valve of A10, restricting orifice, A11 heat with expansion valve, restricting orifice; The cooling ball-cock assembly of A12, A13 heat uses ball-cock assembly, A14 hot water heat exchanger, B fin wet cooling tower, B1 finned coil; The B2 cooling blower, B3 cooling tower circulating pump, B4 water-locator, B5 water leg, C auxiliary heat supplying equipment; The D1 condenser pump, D2 refrigerating water pump, D3 hot water circulating pump, D4 hot water supply-water pump, E indoor heat exchanger (air-conditioner); F hot water user, G hot water thermal insulating case, H air bleeding valve, J expansion tank and moisturizing, K valve.
Five, the specific embodiment:
When summer whole or most indoor heat exchanger E1 cooling, the E2 heat supply of minority indoor heat exchanger or cooling heat water simultaneously; Wet cooling tower B or minority indoor heat exchanger E2 or hot water heat exchanger A14 are the heat extraction source of heat pump, hot water unit; Whole or most indoor heat exchanger E1 are the heat sink of heat pump, hot water unit, and cold-producing medium is drawn to evaporate from the heat of whole or most indoor heat exchanger E1 or hot water heat exchanger A14 in evaporimeter A3 and produced 7 ℃ of cold refrigerating mediums and send into whole or most indoor heat exchanger E1 and use.Cold-producing medium becomes high-temperature high-pressure overheat steam to get into hot water heat exchanger A14 and condenser A2 through compressor compresses again, is taken away heat water and is sent into hot water thermal insulating case G or taken away heat and drained in the air or by the minority indoor heat exchanger by wet cooling tower B and take away in heat and the heating clamber by hot water heat exchanger A14.
Whole in the winter time or most indoor heat exchanger E1 heat supply minority indoor heat exchanger E2 coolings or when heating water; Wet cooling tower B or minority indoor heat exchanger E2 are heat pump, hot water unit A heat sink; Whole or most indoor heat exchanger E1 or hot water heat exchanger A14 are heat pump, hot water unit A heat extraction source; Cold-producing medium is drawn in evaporimeter A3 and is produced cold refrigerating medium from wet cooling tower B or minority indoor heat exchanger E2 heat of vaporization and send into minority indoor heat exchanger E2 and use; Cold-producing medium becomes the superheated steam entering hot water heat exchanger A14 of HTHP to add hot water and send into hot water thermal insulating case G through compressor compresses again; Get into condenser A2 heat cycles refrigerating medium and produce 45 ℃ to 50 ℃ hot refrigerating mediums, send into whole or most indoor heat exchanger E1 and use.
When spring, autumn when 40% indoor heat exchanger E1 cooling and 60% indoor heat exchanger E2 heat supply or 40% indoor heat exchanger E1 cooling; When heating water simultaneously; 60% indoor heat exchanger E2 or hot water heat exchanger A14 are the heat extraction source of heat pump, hot water unit A; 40% indoor heat exchanger E1 or wet cooling tower B are the heat sink of heat pump, hot water unit A, and cold-producing medium is drawn to evaporate from the heat of 40% indoor heat exchanger E1 or wet cooling tower B at evaporimeter A and produced cold refrigerating medium and send into 40% indoor heat exchanger E1 and use.Cold-producing medium becomes high-temperature high-pressure overheat steam to get into hot water heat exchanger A14 through compressor compresses to add hot water and send into the hot water thermal insulating case and get into condenser A2 heat cycles refrigerating medium again and produce hot refrigerating medium and send into indoor heat exchanger E2 and use again.
The present invention as shown in Figure 1 is by heat pump, hot water unit A, wet cooling tower B, indoor heat exchanger E; Condenser pump D1, refrigerating water pump D2, hot water circulating pump D3; Hot water thermal insulating case G forms, and heat pump, hot water unit A are by compressor A1 hot water heat exchanger A14, condenser A2; Filter A9, throttle mechanism A4, evaporimeter A3 forms; It is characterized in that: 1) outlet of described compressor A1 links to each other with hot water heat exchanger A14 inlet through pipeline, and hot water heat exchanger A14 outlet links to each other with condenser A2 inlet, and condenser A2 outlet links to each other with filter A9 import; Filter A9 outlet links to each other with throttle mechanism A4 import, and throttle mechanism A4 outlet links to each other with evaporimeter A3 import, and evaporimeter A3 outlet links to each other with the inlet of compressor A1.2) described condenser A2 links to each other with indoor heat exchanger E1, E2 and wet cooling tower B respectively through valve K1, K9, K22, K5; Said indoor heat exchanger E1, E2 and wet cooling tower B link to each other with condenser pump D1 respectively through valve K10, K24, K6, and said condenser pump D1 links to each other with condenser A2 through valve K2.Said evaporimeter A3 links to each other with indoor heat exchanger E1, E2 and wet cooling tower B respectively through valve K3, K7, K19, K11; Said indoor heat exchanger E1, E2 and wet cooling tower B link to each other with refrigerating water pump D2 respectively through valve K8, K20, K12, and said refrigerating water pump D2 links to each other with evaporimeter A3 through valve K4; 3) outlet of described hot water heat exchanger A14 links to each other with the inlet of hot water thermal insulating case G through pipeline, and the outlet of described hot water thermal insulating case G links to each other with the inlet of hot water circulating pump D3, and the outlet of described hot water circulating pump D3 links to each other with the inlet of hot water heat exchanger A14.
When temperature was equal to or higher than 20 ℃, heat pump, hot water unit A left refrigeration mode, and the front or rear motor-driven valve A7 of restricting element A5 that freezes among heat pump, the hot water A during refrigeration opens, and heated the front or rear electrically operated valve A8 of restricting element A6 and closed.
Cold-producing medium circulation process among heat pump, hot water unit A during refrigeration:
Compressor A1-hot water heat exchanger A14-condenser A2-filter A9-motor-driven valve A7-refrigeration restricting element A5-evaporimeter A3-compressor A1
When temperature was lower than 20 ℃, heat pump, hot water unit A left heating mode, when heating, heated the front or rear motor-driven valve A8 of restricting element A6 among heat pump, the hot water unit A and opened, and the front or rear motor-driven valve A7 of refrigeration restricting element A5 closes.
When heating, cold-producing medium circulation process among heat pump, the hot water unit A:
Compressor A1-hot water heat exchanger A14-condenser A2-filter A9-motor-driven valve A8-heats restricting element A6-evaporimeter A3-compressor A1
The Various Seasonal running:
The running in summer:
In the hot season; Whole coolings of indoor heat exchanger or the heat supply of most cooling minority or when heating water simultaneously; Through freezing refrigerating medium circulation, cold-producing medium circulation, the circulation of condensation refrigerating medium are discharged to outdoor by wet cooling tower calorie spread or calorie spread is circulated through freezing refrigerating medium by indoor by indoor; The cold-producing medium circulation, hot water circuit is pumped into the hot water thermal insulating case by hot water circuit.
Freezing refrigerating medium circulation process:
Evaporimeter A3-valve K3-valve K7-indoor heat exchanger E1-valve K8-refrigerating water pump D2-valve K4-evaporimeter A3
Condensation refrigerating medium circulation process divides two-way:
Condenser A2-valve K1-valve K22-indoor heat exchanger E2-valve K24-condenser pump D1-valve K2-condenser A2.
Condenser A2-valve K1-valve K5-valve K23-wet cooling tower B-valve K6-condenser pump D1-valve K2-condenser A2
The running in winter:
In the cold season joint whole heat supplies of indoor heat exchanger or most heat supply; When minority cooling or minority cooling heat water simultaneously; Calorie spread is circulated through freezing refrigerating medium by wet cooling tower, the cold-producing medium circulation, and the circulation of condensation refrigerating medium is passed to indoor or calorie spread is circulated through freezing refrigerating medium by wet cooling tower; The cold-producing medium circulation, hot water circuit is pumped into the hot water thermal insulating case by hot water circuit.
Condensation refrigerating medium circulation process:
Condenser A2-valve K1-valve K9-indoor heat exchanger E1-valve K10-condenser pump D1-valve K2-condenser A2
Freezing refrigerating medium circulation process divides two-way:
Evaporimeter A3-valve K3-valve K19-indoor heat exchanger E2-valve K20-refrigerating water pump D2-valve K4-evaporimeter A3.
Evaporimeter A3-valve K3-valve K11-valve K23-wet cooling tower B-valve K12-refrigerating water pump D2-valve K4-evaporimeter A3.
Spring, running in autumn:
When all indoor heat exchangers have 40% cooling and 60% heat supply, the freezing refrigerating medium circulatory system, the condensation refrigerating medium circulatory system, refrigerant-cycle systems is near balance, and wet cooling tower is not participated in running.
Freezing refrigerating medium circulation process:
Evaporimeter A3-valve K3-valve K7-indoor heat exchanger E1-valve K8-refrigerating water pump D2-valve K4-evaporimeter A3.
Condensation refrigerating medium circulation process:
Condenser A2-valve K1-valve K22-indoor heat exchanger E2-valve K24-condenser pump D1-valve K2-condenser A2.
Hot water circuit flow process when heating water:
Hot water heat exchanger A14-hot water thermal insulating case G-hot water circulating pump D3-hot water heat exchanger A14.
Every cover three usefulness central air conditioner systems have two above wet cooling towers; A cooling tower was when heating duty when heated winter; Another cooling tower is in defrosting, and refrigerating medium is glycol water or ethylene glycol in four-pipe heating pump, the hot water three-purpose central air conditioner system.
In order better to make full use of the principle among Fig. 1: 1) we can be on the basis of Fig. 1; Change the cooling restricting element A5 of dual-purpose throttle mechanism A4 among heat pump, the hot water unit A into cooling expansion valve or restricting orifice A10; Heat to change into and heat, thereby formed four control piston types, vortex, screw, multistage centrifugal heat pump, the hot water three-purpose central air conditioner system of Fig. 2 with expansion valve or restricting orifice A11 with restricting element A6.2) we can be on the basis of Fig. 1; Change the cooling restricting element A5 of the dual-purpose throttle mechanism A4 among heat pump, the hot water unit A into cooling ball-cock assembly A12; Heat to change into heating and use ball-cock assembly A13 with restricting element A6; Be placed on cooling ball-cock assembly A12 back to motor-driven valve A7, be placed on motor-driven valve A8 and heat back, thereby formed four control screws, multistage centrifugal heat pump, the hot water three-purpose central air conditioner system of Fig. 3 with ball-cock assembly A13.3) we can connect hot water supply-water pump D4 at the heat preservation hot water tank, and hot water supply-water pump D4 outlet connects auxiliary heat supplying equipment C, and auxiliary heat supplying equipment C outlet connects hot water user F and uses, and the surplus water of hot water user F is got back to the heat preservation hot water tank.
Nine kinds of energy-saving run state critical piece work lists:
Claims (2)
1. a four-pipe heating pump, hot water three-purpose central air conditioner system are by heat pump, hot water unit, wet cooling tower, indoor heat exchanger; Condenser pump, refrigerating water pump, hot water circulating pump and hot water thermal insulating case are formed, and heat pump, hot water unit are by compressor; Hot water heat exchanger, condenser, filter, throttle mechanism and evaporimeter are formed; It is characterized in that: 1) outlet of described compressor links to each other with the hot water heat exchanger inlet through pipeline, and hot water heat exchanger links to each other with condenser inlet in outlet, and condensator outlet links to each other with filter inlet; The outlet of filter links to each other with the throttle mechanism import, and the throttle mechanism outlet links to each other with evaporator, and evaporator outlet links to each other with the suction port of compressor; 2) described condenser links to each other with wet cooling tower with indoor heat exchanger respectively through valve, and described indoor heat exchanger links to each other with condenser pump respectively through valve with wet cooling tower, and described condenser pump links to each other with condenser through valve; Described evaporimeter links to each other with wet cooling tower with indoor heat exchanger respectively through valve, and described indoor heat exchanger links to each other with refrigerating water pump respectively through valve with wet cooling tower, and described refrigerating water pump links to each other with evaporimeter through valve; 3) outlet of described hot water heat exchanger links to each other with the hot water thermal insulating tank inlet through pipeline, and the outlet of described hot water thermal insulating case links to each other with the inlet of hot water circulating pump, and described hot water circuit pump discharge links to each other with the hot water heat exchanger inlet.
2. four-pipe heating pump according to claim 1, hot water three-purpose central air conditioner system is characterized in that: 1) described throttle mechanism is for freezing, heating dual-purpose throttle mechanism, and described cooling tower is a fin enclosed wet cooling tower; 2) described dual-purpose throttle mechanism includes the pipeline that the last refrigeration restricting element of first motor-driven valve serial connection constitutes, and also is parallel with one between the outlet of the inlet of first motor-driven valve on the pipeline that the refrigeration restricting element constitutes and refrigeration restricting element by second motor-driven valve with heat the branch road that restricting element is formed; 3) position of described first motor-driven valve is placed on the front end of refrigeration restricting element or is placed on the rear end of refrigeration restricting element, and the position of described second motor-driven valve is placed on the front end that heats restricting element or is placed on the rear end that heats restricting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100707021A CN101235993B (en) | 2008-03-06 | 2008-03-06 | Four pipe heating pump, hot water three-purpose central air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100707021A CN101235993B (en) | 2008-03-06 | 2008-03-06 | Four pipe heating pump, hot water three-purpose central air-conditioning system |
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| Publication Number | Publication Date |
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| CN101235993A CN101235993A (en) | 2008-08-06 |
| CN101235993B true CN101235993B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100707021A Expired - Fee Related CN101235993B (en) | 2008-03-06 | 2008-03-06 | Four pipe heating pump, hot water three-purpose central air-conditioning system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444940A (en) * | 2011-11-28 | 2012-05-09 | 林贤华 | Central air conditioning system using three-way set of four-pipe control superelevation and low temperature heat pumps as well as hot water |
| CN102589216B (en) * | 2012-03-26 | 2015-12-16 | 珠海福士得冷气工程有限公司 | Simultaneous air-conditioning energy conserving system and control method |
| CN112050305B (en) * | 2020-09-18 | 2024-04-30 | 清华大学 | Multi-zone air conditioning system and method of operating the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5802864A (en) * | 1997-04-01 | 1998-09-08 | Peregrine Industries, Inc. | Heat transfer system |
| CN101046337A (en) * | 2007-03-12 | 2007-10-03 | 林贤华 | Central air conditioning system with two-pipe heat pump |
| CN101122433A (en) * | 2007-08-07 | 2008-02-13 | 林贤华 | Four-pipe heating pump central air conditioner system |
| CN201191050Y (en) * | 2008-03-06 | 2009-02-04 | 林贤华 | Four-pump heat pump and hot water three-purpose central air-conditioning apparatus |
-
2008
- 2008-03-06 CN CN2008100707021A patent/CN101235993B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5802864A (en) * | 1997-04-01 | 1998-09-08 | Peregrine Industries, Inc. | Heat transfer system |
| CN101046337A (en) * | 2007-03-12 | 2007-10-03 | 林贤华 | Central air conditioning system with two-pipe heat pump |
| CN101122433A (en) * | 2007-08-07 | 2008-02-13 | 林贤华 | Four-pipe heating pump central air conditioner system |
| CN201191050Y (en) * | 2008-03-06 | 2009-02-04 | 林贤华 | Four-pump heat pump and hot water three-purpose central air-conditioning apparatus |
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| Publication number | Publication date |
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| CN101235993A (en) | 2008-08-06 |
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Granted publication date: 20121128 Termination date: 20140306 |