CN103123148A - Central air conditioning system and control method for super high-rise building - Google Patents
Central air conditioning system and control method for super high-rise building Download PDFInfo
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- CN103123148A CN103123148A CN2013100476140A CN201310047614A CN103123148A CN 103123148 A CN103123148 A CN 103123148A CN 2013100476140 A CN2013100476140 A CN 2013100476140A CN 201310047614 A CN201310047614 A CN 201310047614A CN 103123148 A CN103123148 A CN 103123148A
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Abstract
The invention discloses a central air conditioning system and a control method for a super high-rise building. The Central air conditioning system and the control method for the super high-rise building comprises a low-area air conditioning system, a high-area air conditioning system, an ultra high-area conditioning system and a highest-area air conditioning system, wherein the low-area air conditioning system comprises a general air-condition cold water main engine, a low-area chilled water circulating pump and low-area users, the high-area air conditioning system comprises a high-area heat exchanger, a high-area chilled water circulating pump and high-area users, the ultra high-area conditioning system comprises a ultra high-area heat exchanger, a ultra high-area chilled water circulating pump and ultra high-area users, the highest-area conditioning system comprises a highest-area heat exchanger, a highest-area chilled water circulating pump and highest-area users. By the adoption of a closed system, chilled water of a common loading capacity cold water main engine is guaranteed to be provided to each terminal with only once heat transfer to reduce twice or three times heat transfer and the fact that a large number of air-condition main engine energy consumption under the premise of meeting the requirement of terminal humiture is saved is achieved, the central air conditioning system and the control method for the super high-rise building meets the requirement of energy-saving and cost-reducing environment. The central air conditioning system and the control method for the super high-rise building is reliable in project and good in energy-saving effect.
Description
Technical field
The present invention is a kind of central air conditioner system for high-rise building and control method thereof, belongs to the innovative technology for central air conditioner system and the control method thereof of high-rise building.
Background technology
High-rise building is more and more now, building height is also more and more higher, because the operating pressure of common air-conditioning equipment is no more than 1.6MPa, if in high-rise building, air-conditioning equipment is installed the discrepancy in elevation over 320 meters, just need the high pressure-resistant equipment of customization, cost will raise a lot; Perhaps take to be divided into three or more zones with heat exchanger, the overlapping heat exchange, after high district heat exchanger is connected to low district heat exchanger, in each zone, air-conditioning equipment is installed the discrepancy in elevation and all is no more than 160 meters, can adopt conventional equipment like this, cost can reduce, but has so just brought the problem such as energy consumption increase.wherein, adopt the higher plate type heat exchanger of present heat exchange efficiency, heat transfer temperature difference is more difficult reaching in 2 ℃ also, according to national standard " heating and ventilation and the explanation of In Air Conditioning Design standard clause " GBJ19-87(2001 version) and relevant air-conditioner host parameter, every increase by one cover heat exchanger, heat transfer temperature difference increases by 2 ℃, the air-conditioner host energy consumption increases 8%-10%, adopt three or more heat exchanger package, the air-conditioner host energy consumption will increase more than 20%, simultaneously because chilled water temperature rises, not only comfort descends, and needs adopt air conditioning terminal and the pipeline of more volume, increase equipment investment and construction investment.Due to 70% left and right of air-conditioner host energy consumption duty adjusting system energy consumption, certainly will increase so a large amount of energy expenditures.
Summary of the invention
The object of the invention is to consider the problems referred to above and provide a kind of reasonable in design, the central air conditioner system that is used for high-rise building that cost is low.
Another object of the present invention is to provide a kind of control to be used for easily the control method of the central air conditioner system of high-rise building.The way that the present invention passes through a heat exchange of chilled water, directly supplies, with only once the chilled water of heat exchange directly deliver to air conditioning terminal, avoid like this occurring unnecessary temperature loss, to save comprising the energy loss that the common air-conditioning cold water main unit that causes due to the overlapping heat exchange increases, avoid simultaneously system pressure to surpass the bearing capacity of common air-conditioning cold water main unit and other air-conditioning equipment and pipeline.
technical scheme of the present invention is: the central air conditioner system for high-rise building of the present invention, include low district air-conditioning system, high district air-conditioning system, superelevation district air-conditioning system, the highest region air-conditioning system, wherein the low air-conditioning system of distinguishing comprises the common air-conditioning cold water main unit, low district chilled water circulating pump, low district user, high district air-conditioning system includes high district heat exchanger, high district chilled water circulating pump, high district user, superelevation district air-conditioning system includes superelevation district heat exchanger, superelevation district chilled water circulating pump, superelevation district user, the highest region air-conditioning system includes the highest region heat exchanger, the highest region chilled water circulating pump, the highest region user, the operation of common air-conditioning cold water main unit, cryogenic freezing water is transported to low district air conditioner user by low district chilled water circulating pump, air conditioning water outputs to high district heat exchanger from the common air-conditioning cold water main unit by low district chilled water circulating pump simultaneously, by height district's heat exchanger and the chilled water heat exchange of high district, Jiang Gao district chilled water is fed to high district user by height district chilled water circulating pump again, air conditioning water outputs to superelevation district heat exchanger from the common air-conditioning cold water main unit by low district chilled water circulating pump, by superelevation district's heat exchanger and superelevation district's chilled water heat exchange, again superelevation district chilled water is fed to superelevation district user by superelevation district chilled water circulating pump, air conditioning water outputs to the highest region heat exchanger from the common air-conditioning cold water main unit by low district chilled water circulating pump, by highest region heat exchanger and the heat exchange of highest region chilled water, again the highest region chilled water is fed to the highest region user by the highest region chilled water circulating pump, and high district heat exchanger, after superelevation district heat exchanger and the direct heat transfer of highest region heat exchanger, low district chilled water is got back to the common air-conditioning cold water main unit, again freeze, restart circulation.
Above-mentioned high district heat exchanger, superelevation district's heat exchanger and highest region heat exchanger all are arranged near low district user's level height, by low district chilled water circulating pump, common air-conditioning cold water main unit chilled water out is fed to high heat exchanger, superelevation district's heat exchanger and the highest region heat exchanger distinguished, and chilled water returns the common air-conditioning cold water main unit after heat exchange.
The present invention is used for the control method of the central air conditioner system of high-rise building, comprises the steps:
1) air conditioning water outputs to low district user from the common air-conditioning cold water main unit by low district chilled water circulating pump;
2) air conditioning water outputs to high district heat exchanger from the common air-conditioning cold water main unit by low district chilled water circulating pump, and by height district heat exchanger and the chilled water heat exchange of high district, then Jiang Gao district chilled water is fed to the high user of district by height district chilled water circulating pump;
3) air conditioning water outputs to superelevation district heat exchanger from the common air-conditioning cold water main unit by low district chilled water circulating pump, by superelevation district's heat exchanger and superelevation district's chilled water heat exchange, then superelevation district chilled water is fed to superelevation district user by superelevation district chilled water circulating pump;
4) air conditioning water outputs to the highest region heat exchanger from the common air-conditioning cold water main unit by low district chilled water circulating pump, by highest region heat exchanger and the heat exchange of highest region chilled water, then the highest region chilled water is fed to the highest region user by the highest region chilled water circulating pump;
5) by after height district heat exchanger, superelevation district's heat exchanger and the direct heat transfer of highest region heat exchanger, low district chilled water is got back to the common air-conditioning cold water main unit, and refrigeration, restart circulation again.Chilled water only needs can be fed to each user's end by a heat exchange, avoids even three heat exchange of secondary.
The present invention is owing to adopting the way of passing through a heat exchange of chilled water, directly supplying, with only once the chilled water of heat exchange directly deliver to air conditioning terminal, avoid like this occurring unnecessary temperature loss, to save comprising the energy loss that the common air-conditioning cold water main unit that causes due to the overlapping heat exchange increases, avoid simultaneously system pressure to surpass the bearing capacity of common air-conditioning cold water main unit and other air-conditioning equipment and pipeline.The present invention can directly utilize the low-temperature air conditioner chilled water effectively, has avoided the temperature rise that causes by heat exchanger, has improved the operational efficiency of air-conditioner host and system, and energy-saving effect is remarkable, meets energy-saving and cost-reducing environmental requirement.Control method of the present invention easily operates, and it is convenient to control.
Description of drawings
Fig. 1 is system of the present invention service chart.
The specific embodiment
Implement example:
system of the present invention operation schematic diagram as shown in Figure 1, central air conditioner system for high-rise building of the present invention, include low district air-conditioning system 13, high district air-conditioning system 14, superelevation district air-conditioning system 15, highest region air-conditioning system 16, wherein the low air-conditioning system 13 of distinguishing comprises common air-conditioning cold water main unit 1, low district chilled water circulating pump 2, low district user 3, high district air-conditioning system 14 includes high district heat exchanger 4, high district chilled water circulating pump 5, high district user 6, superelevation district air-conditioning system 15 includes superelevation district heat exchanger 7, superelevation district chilled water circulating pump 8, superelevation district user 9, highest region air-conditioning system 16 includes highest region heat exchanger 10, highest region chilled water circulating pump 11, highest region user 12, 1 operation of common air-conditioning cold water main unit, cryogenic freezing water is transported to low district air conditioner user 3 by low district chilled water circulating pump 2, air conditioning water outputs to high district heat exchanger 4 from common air-conditioning cold water main unit 1 by low district chilled water circulating pump 2 simultaneously, by height district's heat exchanger 4 and the chilled water heat exchange of high district, Jiang Gao district chilled water is fed to high district user 6 by height district chilled water circulating pump 5 again, air conditioning water outputs to superelevation district heat exchanger 7 from common air-conditioning cold water main unit 1 by low district chilled water circulating pump 2, by superelevation district's heat exchanger 8 and superelevation district's chilled water heat exchange, again superelevation district chilled water is fed to superelevation district user 9 by superelevation district chilled water circulating pump 10, air conditioning water outputs to highest region heat exchanger 10 from common air-conditioning cold water main unit 1 by low district chilled water circulating pump 2, by highest region heat exchanger 11 and the heat exchange of highest region chilled water, again the highest region chilled water is fed to highest region user 12 by highest region chilled water circulating pump 13, and high district heat exchanger 4, after superelevation district heat exchanger 9 and 12 direct heat transfers of highest region heat exchanger, low district chilled water is got back to common air-conditioning cold water main unit 1, again freeze, restart circulation.At first the present invention delimit the subregion of air-conditioning system, and in each subregion, relative relief is all less than 160 meters.Air conditioner cold water main unit 1 is arranged in low district scope, hang down the high point of district's pressure-bearing scope and be provided with high heat exchanger 4, superelevation district's heat exchanger 7 and the highest region heat exchanger 10 distinguished, above-mentioned high district heat exchanger 4, superelevation district's heat exchanger 7 and highest region heat exchanger 10 these three heat exchangers are installed in not higher than in the floor that hangs down 160 meters, district's main frame, make low district air-conditioning system operating pressure lower than 1.6MPa.
In addition, above-mentioned low district air-conditioning system 13, high district air-conditioning system 14, superelevation district air-conditioning system 15, highest region air-conditioning system 16, each intrasystem user's discrepancy in elevation all is no more than 160 meters.
Above-mentioned high district heat exchanger 4, superelevation district's heat exchanger 7 and highest region heat exchanger 10 all are arranged near low district user's 3 level height, by low district chilled water circulating pump 2, common air-conditioning cold water main unit 1 chilled water out is fed to high heat exchanger 4, superelevation district's heat exchanger 7 and the highest region heat exchanger 10 distinguished, and chilled water returns common air-conditioning cold water main unit 1 after heat exchange.
The air conditioner cold water main unit that above-mentioned common bearing capacity air conditioner cold water main unit 1 is common bearing capacity.
Superelevation district chilled water circulating pump 8 in height district chilled water circulating pump 5 in low district chilled water circulating pump 2 in above-mentioned low district air-conditioning system 13, high district air-conditioning system 14, superelevation district air-conditioning system 15, the highest region chilled water circulating pump 11 in highest region air-conditioning system 16 all adopt the normal conventional product, need not adopt high pressure-bearing product.
Above-mentioned low district user 3, high district user 6, superelevation district user 9, highest region user 12 are air-conditioning heat transmission equipments.Above-mentioned air-conditioning heat transmission equipment is fan coil, or the wind cabinet, or persuader.
The present invention is used for the control method of the central air conditioner system of high-rise building, comprises the steps:
1) air conditioning water outputs to low district user 3 from common air-conditioning cold water main unit 1 by low district chilled water circulating pump 2;
2) air conditioning water outputs to high district heat exchanger 4 from common air-conditioning cold water main unit 1 by low district chilled water circulating pump 2, and by height district heat exchanger 4 and the chilled water heat exchange of high district, then Jiang Gao district chilled water is fed to the high user 6 of district by height district chilled water circulating pump 5;
3) air conditioning water outputs to superelevation district heat exchanger 7 from common air-conditioning cold water main unit 1 by low district chilled water circulating pump 2, by superelevation district heat exchanger 7 and superelevation district's chilled water heat exchange, then superelevation district chilled water is fed to superelevation district user 9 by superelevation district chilled water circulating pump 8;
4) air conditioning water outputs to highest region heat exchanger 10 from common air-conditioning cold water main unit 1 by low district chilled water circulating pump 2, by highest region heat exchanger 10 and the heat exchange of highest region chilled water, then the highest region chilled water is fed to highest region user 12 by highest region chilled water circulating pump 11;
5) by after height district heat exchanger 4, superelevation district's heat exchanger 7 and 10 direct heat transfers of highest region heat exchanger, low district chilled water is got back to common air-conditioning cold water main unit 1, and refrigeration, restart circulation again.Chilled water only needs can be fed to each user's end by a heat exchange, avoids even three heat exchange of secondary.
If building is higher, can take the heat exchanger of stronger bearing capacity to get final product, actual air conditioning zoning can surpass 4, and is even more.
Claims (9)
1. central air conditioner system that is used for high-rise building, it is characterized in that including low district air-conditioning system (13), high district air-conditioning system (14), superelevation district air-conditioning system (15), highest region air-conditioning system (16), wherein low district's air-conditioning system (13) comprises common air-conditioning cold water main unit (1), low district chilled water circulating pump (2), low district user (3), high district's air-conditioning system (14) includes high district heat exchanger (4), high district chilled water circulating pump (5), high district user (6), superelevation district air-conditioning system (15) includes superelevation district's heat exchanger (7), superelevation district chilled water circulating pump (8), superelevation district user (9), highest region air-conditioning system (16) includes highest region heat exchanger (10), highest region chilled water circulating pump (11), highest region user (12), common air-conditioning cold water main unit (1) operation, cryogenic freezing water is transported to low district air conditioner user (3) by low district's chilled water circulating pump (2), air conditioning water outputs to high district heat exchanger (4) from common air-conditioning cold water main unit (1) by low district's chilled water circulating pump (2) simultaneously, by height district's heat exchanger (4) and the chilled water heat exchange of high district, Jiang Gao district chilled water is fed to high district user (6) by height district's chilled water circulating pump (5) again, air conditioning water outputs to superelevation district's heat exchanger (7) from common air-conditioning cold water main unit (1) by low district's chilled water circulating pump (2), by superelevation district's heat exchanger (8) and superelevation district's chilled water heat exchange, again superelevation district chilled water is fed to superelevation district user (9) by superelevation district's chilled water circulating pump (10), air conditioning water outputs to highest region heat exchanger (10) from common air-conditioning cold water main unit (1) by low district's chilled water circulating pump (2), by highest region heat exchanger (11) and the heat exchange of highest region chilled water, again the highest region chilled water is fed to highest region user (12) by highest region chilled water circulating pump (13), and high district heat exchanger (4), after superelevation district heat exchanger (9) and highest region heat exchanger (12) direct heat transfer, low district chilled water is got back to common air-conditioning cold water main unit (1), again freeze, restart circulation.
2. the central air conditioner system for high-rise building according to claim 1, it is characterized in that above-mentioned high district heat exchanger (4), superelevation district's heat exchanger (7) and highest region heat exchanger (10) all are arranged near low district user's (3) level height, by low district chilled water circulating pump (2), common air-conditioning cold water main unit (1) chilled water out is fed to high heat exchanger (4), superelevation district's heat exchanger (7) and the highest region heat exchanger (10) distinguished, and chilled water returns common air-conditioning cold water main unit (1) after heat exchange.
3. the central air conditioner system for high-rise building according to claim 1, is characterized in that above-mentioned common bearing capacity air conditioner cold water main unit (1) is the air conditioner cold water main unit of common bearing capacity.
4. the central air conditioner system for high-rise building according to claim 1, is characterized in that above-mentioned high district heat exchanger (4), superelevation district's heat exchanger (7) and these three heat exchangers of highest region heat exchanger (10) are installed in not higher than in the floor that hangs down 160 meters, district's main frame.
5. the central air conditioner system for high-rise building according to claim 1, it is characterized in that above-mentioned low district air-conditioning system (13), high district air-conditioning system (14), superelevation district's air-conditioning system (15), highest region air-conditioning system (16), each intrasystem user's discrepancy in elevation all is no more than 160 meters.
6. the central air conditioner system for high-rise building according to claim 1, it is characterized in that low district chilled water circulating pump (2), the height district's chilled water circulating pump (5) in high district's air-conditioning system (14), the superelevation district's chilled water circulating pump (8) in superelevation district's air-conditioning system (15), the highest region chilled water circulating pump (11) in highest region air-conditioning system (16) in above-mentioned low district air-conditioning system (13) all adopt the normal conventional product, need not adopt high pressure-bearing product.
7. the central air conditioner system for high-rise building according to claim 1, is characterized in that above-mentioned low district user (3), high district user (6), superelevation district user (9), highest region user (12) are the air-conditioning heat transmission equipments.
8. the central air conditioner system for high-rise building according to claim 7, is characterized in that above-mentioned air-conditioning heat transmission equipment is fan coil, or the wind cabinet, or persuader.
9. a control method that is used for the central air conditioner system of high-rise building, is characterized in that comprising the steps:
1) air conditioning water outputs to low district user (3) from common air-conditioning cold water main unit (1) by low district's chilled water circulating pump (2);
2) air conditioning water outputs to high district heat exchanger (4) from common air-conditioning cold water main unit (1) by low district's chilled water circulating pump (2), by height district's heat exchanger (4) and the chilled water heat exchange of high district, then Jiang Gao district chilled water is fed to height by height district's chilled water circulating pump (5) and distinguishes user (6);
3) air conditioning water outputs to superelevation district's heat exchanger (7) from common air-conditioning cold water main unit (1) by low district's chilled water circulating pump (2), by superelevation district's heat exchanger (7) and superelevation district's chilled water heat exchange, then superelevation district chilled water is fed to superelevation district user (9) by superelevation district's chilled water circulating pump (8);
4) air conditioning water outputs to highest region heat exchanger (10) from common air-conditioning cold water main unit (1) by low district's chilled water circulating pump (2), by highest region heat exchanger (10) and the heat exchange of highest region chilled water, then the highest region chilled water is fed to highest region user (12) by highest region chilled water circulating pump (11);
5) by after height district's heat exchanger (4), superelevation district's heat exchanger (7) and highest region heat exchanger (10) direct heat transfer, low district chilled water is got back to common air-conditioning cold water main unit (1), and refrigeration, restart circulation again; Chilled water only needs can be fed to each user's end by a heat exchange, avoids even three heat exchange of secondary.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200000A (en) * | 2015-11-17 | 2015-12-30 | 山东西王糖业有限公司 | Symbiotic culture method for bifidobacterium and bacillus subtilis |
| CN106091172A (en) * | 2014-02-16 | 2016-11-09 | 中国计量学院 | The correlation technique of the high-rise building central cold-hot air conditioning system subregion energy-conservation allotment of level |
| CN113739371A (en) * | 2021-08-31 | 2021-12-03 | 广州汇电云联互联网科技有限公司 | Central air-conditioning system based on cloud cooperation and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003222448A (en) * | 2002-01-31 | 2003-08-08 | Ebara Corp | Air conditioning system for high rise building |
| CN1633576A (en) * | 2000-11-28 | 2005-06-29 | 朴贞鲁 | System and method of pressure distribution and pressure regulation for heating and air-conditioning units, and a very high-rise building utilizing the same |
| CN101634474A (en) * | 2008-07-24 | 2010-01-27 | 帕米尔实业发展株式会社 | Air conditioning system of multistoried building |
| CN102519095A (en) * | 2011-12-02 | 2012-06-27 | 广州铁路职业技术学院 | Chilled water system for central air-conditioning system of high-rise building and control method thereof |
-
2013
- 2013-02-06 CN CN2013100476140A patent/CN103123148A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1633576A (en) * | 2000-11-28 | 2005-06-29 | 朴贞鲁 | System and method of pressure distribution and pressure regulation for heating and air-conditioning units, and a very high-rise building utilizing the same |
| JP2003222448A (en) * | 2002-01-31 | 2003-08-08 | Ebara Corp | Air conditioning system for high rise building |
| CN101634474A (en) * | 2008-07-24 | 2010-01-27 | 帕米尔实业发展株式会社 | Air conditioning system of multistoried building |
| CN102519095A (en) * | 2011-12-02 | 2012-06-27 | 广州铁路职业技术学院 | Chilled water system for central air-conditioning system of high-rise building and control method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 曹莉: "超高层建筑空调水系统设计探讨", 《全国暖通空调制冷2010年学术年会论文集》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091172A (en) * | 2014-02-16 | 2016-11-09 | 中国计量学院 | The correlation technique of the high-rise building central cold-hot air conditioning system subregion energy-conservation allotment of level |
| CN106091172B (en) * | 2014-02-16 | 2018-08-10 | 中国计量学院 | The method of the energy saving allotment of high-rise building central cold-hot air-conditioning system subregion domain hierarchy |
| CN105200000A (en) * | 2015-11-17 | 2015-12-30 | 山东西王糖业有限公司 | Symbiotic culture method for bifidobacterium and bacillus subtilis |
| CN105200000B (en) * | 2015-11-17 | 2018-09-28 | 山东西王糖业有限公司 | A kind of method of Bifidobacterium and bacillus subtilis symbiosis culture |
| CN113739371A (en) * | 2021-08-31 | 2021-12-03 | 广州汇电云联互联网科技有限公司 | Central air-conditioning system based on cloud cooperation and control method thereof |
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