CN102032654A - Device and method for synchronously recycling water potential energy of central air conditioning system - Google Patents
Device and method for synchronously recycling water potential energy of central air conditioning system Download PDFInfo
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- CN102032654A CN102032654A CN 201010603550 CN201010603550A CN102032654A CN 102032654 A CN102032654 A CN 102032654A CN 201010603550 CN201010603550 CN 201010603550 CN 201010603550 A CN201010603550 A CN 201010603550A CN 102032654 A CN102032654 A CN 102032654A
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Abstract
The invention relates to a device for synchronously recycling water potential energy of a central air conditioning system. More than two paths of heat exchanging pipelines are connected in parallel between more than two water outlets of a water segregator and more than two water inlets of a water collector; a circulating water pump is arranged on each path of heat exchanging pipeline; more than two tail end air conditioners are connected in parallel to each path of heat exchanging pipeline; a water supply pipe is connected with the water inlets of the water segregator; the water outlet of the water collector is connected with a water return pipe; a driving water turbine and a driven water turbine which are connected with each other through a shaft coupling are arranged on the water return pipe and the water supply pipe respectively; the blade inclination direction of an impeller of the driving water turbine is opposite to that of an impeller of the driven water turbine; an electric regulating valve and a temperature sensor are arranged on a water outlet side, on which the water return pipe is positioned, of the driving water turbine; and the electric regulating valve and the temperature sensor are connected with a controller. Energy can be complemented for water supply by using recycled high-position water potential energy, so that energy of the air conditioning system is saved and investment on the central air conditioning system is reduced.
Description
Technical field
The present invention relates in synchronous retracting device of the water potential energy of central air conditioner system and method thereof, belong to central air conditioner system water energy accumulating technique field.
Background technology
The high-rise owner will ventilated and adjustment with central air conditioner system.Present disclosed air-conditioning unit adopts plate type heat exchanger that open type cistern and enclosed air conditioning terminal water system are separated, the primary side of plate type heat exchanger communicates with cistern by pipeline, and plate exchanger secondary side is connected with water collector with water knockout drum respectively, by a plurality of air-conditionings of not holding of a plurality of pipelines between water knockout drum and the water collector building is carried out heat exchange, and water pump need be set respectively at the primary side and the secondary side of plate type heat exchanger, under the effect of two water pumps, make hot and cold water and air conditioner cold and hot water in the pond in plate type heat exchanger, carry out heat exchange, thereby the hot and cold water energy in the pond is discharged to not holding air conditioner air to regulate.But there is following problem in the heat transfer process of central air conditioner system at present.1, initial cost is big.Because central air conditioner system must adopt heat exchanger to carry out heat exchange, so the one-time investment of heat exchanger and both sides water pump thereof is bigger.2, accumulation of energy utilization rate in pond reduces.For plate type heat exchanger, its cold and hot both sides certainly exist certain heat transfer temperature difference, so hot and cold water and air conditioner cold-heat in the cistern supply water 1～2 ℃ heat transfer temperature difference is generally arranged, so existence has reduced the energy utilization efficiency in pond.3, energy consumption is big.Because the both sides of plate type heat exchanger all are provided with water pump, promptly plate changes pump and secondary pump, because both lifts generally all are not less than 10m, when these two water pumps move at the same time, can make the air-conditioning system efficiency reduce about 10%.4, operation control is complicated.Because pump of plate type heat exchanger and secondary pump need synchronous operation, control difficulty height particularly during variable load operation, is controlled more complicated.
Summary of the invention
The synchronous retracting device of water potential energy and the method thereof that the purpose of this invention is to provide a kind of central air conditioner system, can utilize the high-order water potential energy that reclaims to give the water supply complementary energy, realize the energy-conservation of air-conditioning system, and can reduce the synchronous retracting device of water potential energy and the method thereof of the central air conditioner system of central air conditioner system investment.
The present invention for the technical scheme that solves its technical problem and adopt is: the synchronous retracting device of a kind of water potential energy of central air conditioner system, comprise the return pipe and feed pipe and water knockout drum and the water collector that communicate with the pond, be parallel with the above heat exchanging pipe of two-way between two above delivery ports on the water knockout drum and two the above water inlets on the water collector, on the heat exchanging pipe of every road water circulating pump is installed, and be parallel with the plural air-conditioning of not holding on the heat exchanging pipe of every road, it is characterized in that: described feed pipe is connected with the water inlet of water knockout drum, the delivery port of water collector is connected with return pipe, and be separately installed with the initiatively hydraulic turbine and the driven hydraulic turbine on return pipe and the feed pipe, initiatively the main shaft of the hydraulic turbine with impeller has by the shaft coupling and the driven hydraulic turbine has the impeller shaft of impeller to be connected, and initiatively the blade lean direction on the turbine impeller is opposite with the blade lean direction of driven turbine impeller, return pipe is positioned at initiatively, and water outlet one side of the hydraulic turbine is equipped with electric control valve and temperature sensor, and electric control valve is connected with controller with temperature sensor, and water outlet one side that feed pipe is positioned at the driven hydraulic turbine is equipped with check-valves.
The synchronous recovery method of the water potential energy of central air conditioner system of the present invention, it is characterized in that: the high-order water potential energy when sluicing by recirculated water in the heat exchanging pipe is converted into the initiatively mechanical energy of the impeller rotation of the hydraulic turbine, make the impeller shaft of the driven hydraulic turbine of coaxial connection obtain mechanical energy, and then mechanical energy is converted into the kinetic energy of driven hydraulic turbine current, the driven hydraulic turbine reaches the recirculated water by-carriage in the pond in the heat exchanging pipe to water knockout drum simultaneously, to the recirculated water forced circulation in pond and the heat exchanging pipe, carry out air-conditioning system and change the water complementary energy.
The present invention will directly be connected with water collector with water knockout drum with return pipe with the feed pipe that the pond communicates, and cancelled plate type heat exchanger, be connected with the driven hydraulic turbine on being installed in return pipe by shaft coupling by the active hydraulic turbine that is installed on the feed pipe simultaneously, therefore utilize that high-order water potential energy was converted into initiatively turbine impeller rotation when the recirculated water backwater sluiced in the heat exchanging pipe, making initiatively, the hydraulic turbine makes output mechanical energy, main shaft and shaft coupling by the active hydraulic turbine transmit mechanical energy together, make and the impeller shaft acquisition mechanical energy of the driven hydraulic turbine, and then the impeller shaft impeller that mechanical energy is converted into the driven hydraulic turbine rotated, by the rotation of impeller the cold in the pond is delivered in the water knockout drum, and the supply heat exchanging pipe, thereby realize releasing the effect that to give the water supply complementary energy.The present invention is owing to cancelled plate type heat exchanger, and directly the hot and cold water in the millpond can make full use of the hot and cold water energy in pond as the water supply of air-conditioning system end, holds energy utilization ratio and improve the pond.Moreover the present invention has also cancelled the water pump of the cold and hot both sides of plate type heat exchanger in the former air-conditioning system, reduce the air-conditioning system investment, especially adopt by shaft coupling and make the initiatively hydraulic turbine and driven hydraulic turbine synchronous operation, not only control is convenient, and significantly reduced pump consumption in the air-conditioning system, in today that the cry of energy-saving and emission-reduction grows to even greater heights, the present invention can mode have breakthrough improvement to traditional releasing.
Description of drawings
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 1 is the synchronous retracting device schematic diagram of water potential energy of the present invention.
Fig. 2 is the syndeton schematic diagram of the present invention's active hydraulic turbine and the driven hydraulic turbine.
Fig. 3 is the another kind of schematic diagram of the syndeton of the present invention's active hydraulic turbine and the driven hydraulic turbine.
Fig. 4 is one of structural representation of shaft coupling of the present invention.
Fig. 5 be shaft coupling of the present invention structural representation two.
Fig. 6 be shaft coupling of the present invention structural representation three.
Fig. 7 be shaft coupling of the present invention structural representation four.
Wherein: 1-pond, 2-return pipe, 3-feed pipe, the driven hydraulic turbine of 4-, the 4-1-impeller shaft, 5-constant pressure supply water device, 6-check-valves, the 7-water knockout drum, 8-water circulating pump, 9-heat exchanging pipe, 10-does not hold air-conditioning, 11-water collector, 12-pressure reduction bypass control valve (BCV), the 13-shaft coupling, 14-is the hydraulic turbine initiatively, the 14-1-main shaft, the 15-temperature sensor, 16-electric control valve, 17-controller.
The specific embodiment
See shown in Figure 1, the synchronous retracting device of the water potential energy of central air conditioner system of the present invention, comprise the return pipe 2 and feed pipe 3 and water knockout drum 7 and the water collector 11 that communicate with pond 1, water knockout drum 7 is provided with two above delivery ports, and also be provided with two above water inlets on the water collector 11, be parallel with the above heat exchanging pipe 9 of two-way between each delivery port of water knockout drum 7 and each water inlet on the water collector 11, and water circulating pump 8 is installed on every road heat exchanging pipe 9, be parallel with the plural air-conditioning 10 of not holding on every road heat exchanging pipe 9, making the recirculated water in every road heat exchanging pipe 9 by water circulating pump 8 is that chilled water or heat supply water fully circulate.See shown in Figure 1, feed pipe 3 of the present invention is connected with the water inlet of water knockout drum 7, the delivery port of water collector 11 is connected with return pipe 2, make the recirculated water that recirculated water is direct and every road heat exchanging pipe is interior in the pond 1 straight-through, and be separately installed with the active hydraulic turbine 14 that does not have generator on return pipe 2 and the feed pipe 3 and do not have the driven hydraulic turbine 4 of generator, initiatively the main shaft 14-1 of the hydraulic turbine 14 is connected with the impeller shaft 4-1 of the driven hydraulic turbine 4 by shaft coupling 13, initiatively has impeller on the main shaft 14-1 of the hydraulic turbine 14, and the impeller shaft 4-1 of the driven hydraulic turbine 4 also has impeller, and the blade lean direction on the active hydraulic turbine 14 is opposite with the blade lean direction on the driven hydraulic turbine 4, when recirculated water sluicing is back to pond 1 in the air-conditioning system, under the hydraulic pressure effect of (h+1) m, can promote the initiatively impeller rotation of the hydraulic turbine 14 this moment because of sluicing, make impeller drive main shaft 14-1 rotation, and under the connection effect of shaft coupling 13, drive the impeller shaft 4-1 turn of the driven hydraulic turbine 4, thereby drive the impeller rotation on the driven hydraulic turbine 4, the impeller rotation of the driven hydraulic turbine 4 is with the not end air-conditioning 10 of supply water knockout drum 7 of the recirculated water in the pond 1 and heat exchanging pipe 9, and making the recirculated water in the pond 1 is that chilled water or a plurality of do not hold air-conditioning 10 and the room airs of heat supply water on every road heat exchanging pipe 9 carry out cold and hot exchange.The active hydraulic turbine 14 of the present invention and the driven hydraulic turbine 4 can adopt Francis turbine or axial flow hydraulic turbine, and this Francis turbine and axial flow hydraulic turbine do not have generator, initiatively the water inlet and the delivery port of the hydraulic turbine 14 are connected on the feed pipe 3 tunnel along the water outlet direction, and the water inlet of the same driven hydraulic turbine 4 and delivery port are connected on the return pipe 2 tunnel along the water inlet direction.Master of the present invention, also can adopt existing water pump to remove part remaining behind the motor from the hydraulic turbine, see shown in Figure 2, initiatively the hydraulic turbine 14 and the driven hydraulic turbine 4 are the end pulsating pump, axially water inlet, radially water outlet, or as shown in Figure 3, initiatively the hydraulic turbine 14 and the driven hydraulic turbine 4 are double entry pump, and sucking pump is imported and exported on same direction and perpendicular to pump shaft, sees shown in Figure 4, shaft coupling 13 of the present invention can adopt the three-jaw shaft coupling, or as shown in Figure 5, shaft coupling 13 can adopt flange-face coupling, or as shown in Figure 6, shaft coupling 13 can adopt the resilient key shaft coupling, and also shaft coupling 13 can adopt diaphragm coupling as shown in Figure 7.See shown in Figure 1, feed pipe 3 of the present invention is positioned at initiatively, and water outlet one side of the hydraulic turbine 14 is equipped with electric control valve 16 and temperature sensor 15, and electric control valve 16 is connected with controller 17 with temperature sensor 15, this controller 17 can adopt the commercially available prod, as adopt single-chip microcomputer that the water temperature of gathering on the return pipe 2 is handled and compared with design temperature, keying with control electric control valve 16, by the temperature on temperature controller 17 online detections outflow water collector 11 feed pipes 3, water outlet one side that return pipe 2 is positioned at the driven hydraulic turbine 4 is equipped with check-valves 6, prevents that by check-valves 6 recirculated water in the feed pipe 3 from flowing backwards.
See shown in Figure 1ly, feed pipe 3 of the present invention is equipped with constant pressure supply water device 5 on the pipeline between the driven hydraulic turbine 4 water outlets, one side and the water knockout drum 7, to central air conditioner system level pressure, automatic water supplement and degassing function.The present invention also is connected with pressure reduction bypass control valve (BCV) 12 between water knockout drum 7 and water collector 11, by pressure reduction bypass control valve (BCV) 12 sensing water collectors 11 and water knockout drum 7 two ends hydraulic pressure, difference according to the calculation of pressure of testing then, compare the decision way of output by pressure reduction bypass control valve (BCV) 12 according to the difference and the preset value that calculate again, to control the aperture of its valve, reach the pressure balance of water supply and backwater.
See shown in Figure 1, the synchronous recovery method of the water potential energy of central air conditioner system of the present invention, high-order water potential energy when sluicing by recirculated water in the heat exchanging pipe 9 is converted into the initiatively mechanical energy of the impeller rotation of the hydraulic turbine 14, make the impeller shaft 4-1 of the driven hydraulic turbine 4 of coaxial connection obtain mechanical energy, and then mechanical energy is converted into the kinetic energy of the driven hydraulic turbine 4 current, the driven hydraulic turbine 4 reaches the recirculated water by-carriage in the pond 1 in the heat exchanging pipe 9 to water knockout drum 7 simultaneously, to the recirculated water forced circulation in pond 1 and the heat exchanging pipe 9, carry out air-conditioning system and change the water complementary energy.
When the present invention works, when the return water temperature in the air-conditioning return pipe 2 that temperature sensor 15 records reaches the unlatching temperature of electric control valve 16 settings, controller 17 can send instruction unpack electric control valve 16, the air-conditioning system backwater is leaked in the pond 1, sluice this moment and under the hydraulic pressure effect of (h+1) m, can promote the initiatively impeller rotation of the hydraulic turbine 14, the rotation of impeller makes main shaft 14-1 rotation, transmit energy by main shaft 14-1 and shaft coupling 13, make the impeller shaft 4-1 rotation of the driven hydraulic turbine 4 that is connected with shaft coupling 13, promptly and the rotation of the driven hydraulic turbine 4 impellers is sent into the water in the pond 1 in the terminal air-conditioning 10 of water knockout drum 7 and heat exchanging pipe 9, realized changing the effect of water complementary energy to air-conditioning system.
When the return water temperature in the air-conditioning return pipe 2 that temperature sensor 15 records reaches the closing temperature of electric control valve 16 settings, controller 17 can send instruction and cut out electric control valve 16, so initiatively the hydraulic turbine 14, shaft coupling 13 and the driven hydraulic turbine 4 will be progressively out of service, this moment, the backwater of air-conditioning system was got back to the air-conditioning system end again by the pressure reduction bypass control valve (BCV) 12 between water collector 11 and the water knockout drum 7, reached the unlatching temperature of the design of electric control valve 16 until its temperature.
Claims (5)
1. the synchronous retracting device of the water potential energy of a central air conditioner system, comprise the return pipe (2) and feed pipe (3) and water knockout drum (7) and the water collector (11) that communicate with the pond, be parallel with the above heat exchanging pipe (9) of two-way between two above delivery ports on the water knockout drum (7) and two the above water inlets on the water collector (11), water circulating pump (8) is installed on every road heat exchanging pipe (9), and be parallel with the plural air-conditioning (10) of not holding on every road heat exchanging pipe (9), it is characterized in that: described feed pipe (3) is connected with the water inlet of water knockout drum (7), the delivery port of water collector (11) is connected with return pipe (2), and be separately installed with the initiatively hydraulic turbine (14) and the driven hydraulic turbine (4) on return pipe (2) and the feed pipe (3), the main shaft (14-1) that the active hydraulic turbine (14) has impeller is connected by the impeller shaft (4-1) that the shaft coupling (13) and the driven hydraulic turbine (4) have impeller, and initiatively the blade lean direction on the hydraulic turbine (14) impeller is opposite with the blade lean direction of the driven hydraulic turbine (4) impeller, return pipe (2) is positioned at initiatively, and water outlet one side of the hydraulic turbine (14) is equipped with electric control valve (16) and temperature sensor (15), and electric control valve (16) is connected with controller (17) with temperature sensor (15), and water outlet one side that feed pipe (3) is positioned at the driven hydraulic turbine (4) is equipped with check-valves (6).
2. the synchronous retracting device of central air conditioner system water potential energy according to claim 1 is characterized in that: described shaft coupling (13) is one of them of three-jaw shaft coupling or flange-face coupling or resilient key shaft coupling or diaphragm coupling.
3. the synchronous retracting device of central air conditioner system water potential energy according to claim 1 is characterized in that: institute's feed pipe (3) is positioned on the pipeline between the driven hydraulic turbine (4) water outlet one side and the water knockout drum (7) constant pressure supply water device (5) is installed.
4. the synchronous retracting device of central air conditioner system water potential energy according to claim 1 is characterized in that: also be connected with pressure reduction bypass control valve (BCV) (12) on the pipeline between described water knockout drum (7) and the water collector (11).
5. the synchronous recovery method of the water potential energy of central air conditioner system according to claim 1, it is characterized in that: the high-order water potential energy when sluicing by recirculated water in the heat exchanging pipe is converted into the initiatively mechanical energy of the impeller rotation of the hydraulic turbine, make the impeller shaft of the driven hydraulic turbine of coaxial connection obtain mechanical energy, and then mechanical energy is converted into the kinetic energy of driven hydraulic turbine current, the driven hydraulic turbine reaches the recirculated water by-carriage in the pond in the heat exchanging pipe to water knockout drum simultaneously, to the recirculated water forced circulation in pond and the heat exchanging pipe, carry out air-conditioning system and change the water complementary energy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010603550 CN102032654A (en) | 2010-12-24 | 2010-12-24 | Device and method for synchronously recycling water potential energy of central air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010603550 CN102032654A (en) | 2010-12-24 | 2010-12-24 | Device and method for synchronously recycling water potential energy of central air conditioning system |
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Cited By (6)
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| CN102410597A (en) * | 2011-10-25 | 2012-04-11 | 天津大学 | Ground source heat pump air-conditioning system device based on peak regulation and energy storage as well as control and operation method thereof |
| CN104654535A (en) * | 2013-11-15 | 2015-05-27 | 阿自倍尔株式会社 | Turbo type flow control device |
| CN106016577A (en) * | 2015-03-31 | 2016-10-12 | 阿自倍尔株式会社 | Turbine-type flow rate controlling device |
| CN109603406A (en) * | 2019-01-11 | 2019-04-12 | 中国华电科工集团有限公司 | A kind of flue gas condensing system with hydraulic turbine energy recycle device |
| CN109854432A (en) * | 2019-03-30 | 2019-06-07 | 中国华电科工集团有限公司 | A kind of desulfurization fume condensation cycle water potential energy recyclable device and method |
| CN111692624A (en) * | 2020-06-19 | 2020-09-22 | 南京启景环境科技有限公司 | Hot water supply and heating system for improving solar power generation efficiency |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102410597A (en) * | 2011-10-25 | 2012-04-11 | 天津大学 | Ground source heat pump air-conditioning system device based on peak regulation and energy storage as well as control and operation method thereof |
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| CN104654535A (en) * | 2013-11-15 | 2015-05-27 | 阿自倍尔株式会社 | Turbo type flow control device |
| CN104654535B (en) * | 2013-11-15 | 2017-07-14 | 阿自倍尔株式会社 | Turbine type flow control device |
| CN106016577A (en) * | 2015-03-31 | 2016-10-12 | 阿自倍尔株式会社 | Turbine-type flow rate controlling device |
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| CN109854432A (en) * | 2019-03-30 | 2019-06-07 | 中国华电科工集团有限公司 | A kind of desulfurization fume condensation cycle water potential energy recyclable device and method |
| CN111692624A (en) * | 2020-06-19 | 2020-09-22 | 南京启景环境科技有限公司 | Hot water supply and heating system for improving solar power generation efficiency |
| CN111692624B (en) * | 2020-06-19 | 2022-09-09 | 南京启景环境科技有限公司 | Hot water supply and heating system for improving solar power generation efficiency |
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Application publication date: 20110427 |