CN101440983B - Air processing unit based on energy step utilization - Google Patents

Air processing unit based on energy step utilization Download PDF

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Publication number
CN101440983B
CN101440983B CN2008102098390A CN200810209839A CN101440983B CN 101440983 B CN101440983 B CN 101440983B CN 2008102098390 A CN2008102098390 A CN 2008102098390A CN 200810209839 A CN200810209839 A CN 200810209839A CN 101440983 B CN101440983 B CN 101440983B
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CN
China
Prior art keywords
air
lower floor
upper strata
surface cooler
box
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Expired - Fee Related
Application number
CN2008102098390A
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Chinese (zh)
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CN101440983A (en
Inventor
姜益强
姚杨
柴永金
牛福新
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Harbin Institute of Technology
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Harbin Institute of Technology
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Priority to CN2008102098390A priority Critical patent/CN101440983B/en
Publication of CN101440983A publication Critical patent/CN101440983A/en
Application granted granted Critical
Publication of CN101440983B publication Critical patent/CN101440983B/en
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Abstract

The present invention discloses an air-handling unit base on energy cascade utilization, which relates to an air-handling unit. The present invention aims at resolving the problem that the existing air-handling adopted the mode of mixing the fresh air and the return air firstly and handling secondly, the energy can not be cascade utilization, and the system hardly realizes large temperature differential and small flow. An upper layer handling unit comprises an upper layer humidifier, an upper layer heating coil and an upper layer surface cooler, and the upper layer surface cooler, the upper layer heating coil and the upper layer humidifier are arranged according to the direction of the air in turn. A lower layer handling unit comprises a lower layer humidifier, a lower layer heating coil and a lower layer surface cooler, and the lower layer surface cooler, the lower layer heating coil and the lower layer humidifier are arranged according to the direction of the air in turn. An air return and inlet is on the upper case body of the original terminal of the upper layer handling unit, one end of a pipeline is communicated with the air return and inlet. The upper layer handling unit is used for handling return air, and the lower layer handling unit is used for handling fresh air or partially fresh air added with the return air, the mode of handling firstly and mixing secondly can realize large temperature differentia, small flow and energy cascade utilization.

Description

Air-treatment unit based on cascaded utilization of energy
Technical field
The present invention relates to a kind of air-treatment unit.
Background technology
The air-treatment unit is used widely in various central air conditioner systems as a kind of common equipment in the air-conditioning system.What the air-treatment pattern of existing air-treatment unit generally adopted is that new wind mixes earlier with return air, the post processing pattern.In general this pattern exists following two shortcomings: 1, because all air all need be handled dew point, so energy can't cascade utilization, simultaneity factor also is difficult to the realization flow that has a narrow range of temperature greatly; 2, because the randomness of outdoor air conditions point has caused the waste on the energy quality.
Summary of the invention
The objective of the invention is to adopt for solving existing air-treatment that new wind mixes earlier with return air, the pattern of post processing, energy can't cascade utilization, causes have a narrow range of temperature the greatly problem of flow of the very difficult realization of system, and a kind of air-treatment unit based on cascaded utilization of energy is provided.
The present invention includes casing, dividing plate, two pressure fans, heat regenerator, exhaust duct, pipeline, the return air air inlet, the exhaust outlet of heat regenerator, last air outlet, following air outlet, last air inlet, following air inlet, unit is handled on the upper strata, lower floor handles unit, first volume damper, second volume damper, the 3rd volume damper, the high temperature low-temperature receiver supplies water and low temperature cold source supplies water, dividing plate is arranged on the centre of casing and casing is divided into upper box and lower box, heat regenerator is fixed between upper box and the lower box and is positioned at the inlet inboard of upper box and lower box, last air outlet and following air outlet are separately fixed on outlet one side of upper box and lower box, two pressure fans are separately positioned on upper box and the interior exit of lower box, last air inlet and following air inlet are separately fixed on the inlet side of upper box and lower box, the exhaust outlet of heat regenerator is fixed on heat regenerator and exports on the upper box of a side, the top of dividing plate promptly is that unit is handled on the upper strata, the bottom of dividing plate promptly is that lower floor handles unit, the upper strata is handled unit and is comprised the upper strata humidifier, upper strata heat(ing) coil and upper strata surface cooler, set gradually according to the trend of wind and to be the upper strata surface cooler, upper strata heat(ing) coil and upper strata humidifier, lower floor handles unit and comprises lower floor's humidifier, lower floor's heat(ing) coil and lower floor's surface cooler, trend according to wind sets gradually the surface cooler into lower floor, lower floor's heat(ing) coil and lower floor's humidifier, the return air air inlet is fixed on the upper strata and handles on the upper box of the first end of unit, one end of pipeline is connected with the return air air inlet, the other end of pipeline is connected with an end of the 3rd volume damper, the other end of the 3rd volume damper is connected with an end and the exhaust duct of second volume damper respectively, the other end of second volume damper is connected with last air inlet, first volume damper is arranged on the exhaust duct, the upper strata is handled unit and is handled return air, lower floor's processing unit handles new wind or new wind adds part return air, the high temperature low-temperature receiver supplies water and to connect layer surface cooler and low temperature cold source and supply water and connect the cold table device of lower floor, and perhaps low temperature cold source supplies water and connects the cold table device of layer and high temperature low-temperature receiver and supply water and connect the cold table device of lower floor.
Advantage of the present invention is: handle return air because the present invention adopts the upper strata to handle unit; Lower floor's processing unit handles new wind or new wind adds part return air; By comparison to new wind state parameter and return air state parameter, determine that low-temperature cold water handles new wind, high-temperature water is handled return air; Still high temperature cold water is handled new wind, and water at low temperature is handled return air.Earlier handle the mode of afterwards mixing by this, can be easy to realize having a narrow range of temperature greatly flow, thereby reduce the conveying energy consumption of water pump.Simultaneously, also realize the cascade utilization of energy, improved capacity usage ratio.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention, and Fig. 2 is the structural representation of surface cooler pipe-connecting mode one, and Fig. 3 is the structural representation of surface cooler pipe-connecting mode two, and Fig. 4 is the structural representation of surface cooler pipe-connecting mode three, and Fig. 5 is air-treatment unit control principle figure.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1 and Fig. 5, present embodiment comprises casing 1, dividing plate 2, two pressure fans 3, heat regenerator 4, exhaust duct 10, pipeline 13, return air air inlet 14, the exhaust outlet 15 of heat regenerator, last air outlet 16, following air outlet 17, last air inlet 18, following air inlet 19, unit 20 is handled on the upper strata, lower floor handles unit 21, the first volume damper F1, the second volume damper F2, the 3rd volume damper F3, high temperature low-temperature receiver water supply L2 and low temperature cold source water supply L1, dividing plate 2 is arranged on the centre of casing 1 and casing 1 is divided into upper box 11 and lower box 12, heat regenerator 4 is fixed between upper box 11 and the lower box 12 and is positioned at the inlet inboard of upper box 11 and lower box 12, last air outlet 16 and following air outlet 17 are separately fixed on outlet one side of upper box 11 and lower box 12, two pressure fans 3 are separately positioned on the exit in upper box 11 and the lower box 12, last air inlet 18 and following air inlet 19 are separately fixed on the inlet side of upper box 11 and lower box 12, the exhaust outlet 15 of heat regenerator is fixed on the upper box 11 of heat regenerator 4 outlets one side, the top of dividing plate 2 promptly is that unit 20 is handled on the upper strata, the bottom of dividing plate 2 promptly is that lower floor handles unit 21, the upper strata is handled unit 20 and is comprised upper strata humidifier 5, upper strata heat(ing) coil 6 and upper strata surface cooler 7, set gradually according to the trend of wind and to be upper strata surface cooler 7, upper strata heat(ing) coil 6 and upper strata humidifier 5, lower floor handles unit 21 and comprises lower floor's humidifier 25, lower floor's heat(ing) coil 26 and lower floor's surface cooler 27, set gradually according to the trend of wind and to be lower floor's surface cooler 27, lower floor's heat(ing) coil 26 and lower floor's humidifier 25, return air air inlet 14 is fixed on the upper strata and handles on the upper box 11 of unit 20 first ends, one end of pipeline 13 is connected with return air air inlet 14, the other end of pipeline 13 is connected with the end of the 3rd volume damper F3, the other end of the 3rd volume damper F3 is connected with an end and the exhaust duct 10 of the second volume damper F2 by pipeline respectively, the other end of the second volume damper F2 is connected with last air inlet 18 by pipeline, and the first volume damper F1 is arranged on the exhaust duct 10.The upper strata is handled unit 20 and is handled return air; Lower floor handles the unit 21 new wind of processing or new wind adds part return air; Heat regenerator 4 is the common part of double-deck unit; Upper strata surface cooler 7 is different according to new wind and return air dehumidification rate, selects the chilled water processing sequence, through the cryogenic freezing water after the dehumidifying, enters 27 pairs of air of lower floor's surface cooler and carries out dry type and cool off, and has realized cascaded utilization of energy.
The pipe-connecting mode one of upper strata surface cooler 7 and lower floor's surface cooler 27: see Fig. 2, if the dehumidification rate height of return air (dehumidifying easily), then the 6th valve 27-6, the 8th valve 27-8 on the first valve 7-1 on the upper strata surface cooler 7, the 3rd valve 7-3 and the lower floor's surface cooler 27 opens, the 4th valve 7-4 on the upper strata surface cooler 7 and the 5th valve 27-5 on lower floor's surface cooler 27 close, and second valve 7-2 on the upper strata surface cooler 7 and the 7th valve 27-7 on lower floor's surface cooler 27 are used for regulating flow; Low temperature cold source water supply L1 (can dehumidify) enters in the upper strata surface cooler 7 the air cooling and dehumidifying through second interface 23 on the 3rd valve 7-3 and the upper strata surface cooler 7, and low temperature cold source backwater H1 flows out through first interface 22 on the upper strata surface cooler 7 and the first valve 7-1; High temperature low-temperature receiver water supply L2 (can not dehumidify) enters in lower floor's surface cooler 27 through the 8th valve 27-8, the 4th interface 29 on lower floor's surface cooler 27 the air dry type is cooled off, and high temperature low-temperature receiver backwater H2 flows out through the 3rd interface 28 on lower floor's surface cooler 27 and the 6th valve 27-6.Otherwise, if the dehumidification rate height of new wind (dehumidifying easily), then the 5th valve 27-5, the 7th valve 27-7 on the second valve 7-2 on the upper strata surface cooler 7, the 4th valve 7-4 and the lower floor's surface cooler 27 opens, first valve 7-1 on the upper strata surface cooler 7 and the 8th valve 27-8 on lower floor's surface cooler 27 close, and the 3rd valve 7-3 on the upper strata surface cooler 7 and the 6th valve 27-6 on lower floor's surface cooler 27 are used for regulating flow.
The pipe-connecting mode two of upper strata surface cooler 7 and lower floor's surface cooler 27: see Fig. 3, if the dehumidification rate height of new wind (dehumidifying easily), the first valve 7-1 on the upper strata surface cooler 7 then, the 6th valve 27-6 on the 3rd valve 7-3 and the lower floor's surface cooler 27, the 8th valve 27-8 closes, the second valve 7-2 on the upper strata surface cooler 7, the 5th valve 27-5 on the 4th valve 7-4 and the lower floor's surface cooler 27, the 7th valve 27-7 opens, low-temperature receiver water supply L is through the 7th valve 27-7 on lower floor's surface cooler 27, the 4th interface 29 enters in lower floor's surface cooler 27 flowing out through the 3rd interface 28 on lower floor's surface cooler 27 and the 5th valve 27-5 after the new air cooling dehumidifying, enter in the upper strata surface cooler 7 cooling of air dry type through the 4th valve 7-4 on the upper strata surface cooler 7 and second interface 23 afterwards, low-temperature receiver backwater H flows out through first interface 22 on the upper strata surface cooler 7 and the second valve 7-2.Otherwise, if the dehumidification rate height of return air (dehumidifying easily), then the 6th valve 27-6, the 8th valve 27-8 on the first valve 7-1 on the upper strata surface cooler 7, the 3rd valve 7-3 and the lower floor's surface cooler 27 opens, and the 5th valve 27-5, the 7th valve 27-7 on the second valve 7-2 on the upper strata surface cooler 7, the 4th valve 7-4 and the lower floor's surface cooler 27 close.
The pipe-connecting mode three of upper strata surface cooler 7 and lower floor's surface cooler 27: see Fig. 4, if the dehumidification rate height of return air (dehumidifying easily), then the 3rd valve 7-3 on the upper strata surface cooler 7 and the 5th valve 27-5 on lower floor's surface cooler 27, the 8th valve 27-8 open, the 4th valve 7-4 on the upper strata surface cooler 7 closes, and first valve 7-1 on the upper strata surface cooler 7 and the 7th valve 27-7 on lower floor's surface cooler 27 are used for regulating flow; If the dehumidification rate height of new wind (dehumidifying easily), then the 7th valve 27-7 on the first valve 7-1 on the upper strata surface cooler 7, the 4th valve 7-4 and the lower floor's surface cooler 27 opens, the 8th valve 27-8 on lower floor's surface cooler 27 closes, and the 3rd valve 7-3 on the upper strata surface cooler 7 and the 5th valve 27-5 on lower floor's surface cooler 27 are used for regulating flow.
The specific embodiment two: present embodiment is described in conjunction with Fig. 1, the difference of the present embodiment and the specific embodiment one is: its increases has end filter 9 at the beginning of 9, two of the end filters at the beginning of two to be separately positioned on the front side of two air inlets of the heat regenerator 4 in upper box 11 and the lower box 12.End filter 9 is used for filtering the impurity of air intake at the beginning of two, makes air more pure and fresh.Other is identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 1 present embodiment is described, the difference of the present embodiment and the specific embodiment one is: it increases the upper strata that has return air filter 8, return air filter 8 to be arranged in the upper box 11 and handles on the arrival end of unit 20.Return air filter 8 is used for filtering the impurity of air intake, makes air more pure and fresh.Other is identical with the specific embodiment two.

Claims (3)

1. air-treatment unit based on cascaded utilization of energy, it comprises casing (1), dividing plate (2), two pressure fans (3), heat regenerator (4), exhaust duct (10), pipeline (13), return air air inlet (14), the exhaust outlet of heat regenerator (15), last air outlet (16), following air outlet (17), last air inlet (18), following air inlet (19), unit (20) is handled on the upper strata, lower floor handles unit (21), first volume damper (F1), second volume damper (F2), the 3rd volume damper (F3), the high temperature low-temperature receiver supplies water (L2) and low temperature cold source supplies water (L1), dividing plate (2) is arranged on the centre of casing (1) and casing (1) is divided into upper box (11) and lower box (12), it is characterized in that: heat regenerator (4) is fixed between upper box (11) and the lower box (12) and is positioned at the inlet inboard of upper box (11) and lower box (12), last air outlet (16) and following air outlet (17) are separately fixed on outlet one side of upper box (11) and lower box (12), two pressure fans (3) are separately positioned on the exit in upper box (11) and the lower box (12), last air inlet (18) and following air inlet (19) are separately fixed on the inlet side of upper box (11) and lower box (12), the exhaust outlet of heat regenerator (15) is fixed on the upper box (11) of heat regenerator (4) outlet one side, the top of dividing plate (12) promptly is that unit (20) is handled on the upper strata, the bottom of dividing plate (2) promptly is that lower floor handles unit (21), the upper strata is handled unit (20) and is comprised upper strata humidifier (5), upper strata heat(ing) coil (6) and upper strata surface cooler (7), set gradually according to the trend of wind and to be upper strata surface cooler (7), upper strata heat(ing) coil (6) and upper strata humidifier (5), lower floor handles unit (21) and comprises lower floor's humidifier (25), lower floor's heat(ing) coil (26) and lower floor's surface cooler (27), set gradually according to the trend of wind and to be lower floor's surface cooler (27), lower floor's heat(ing) coil (26) and lower floor's humidifier (25), return air air inlet (14) is fixed on the upper strata and handles on the upper box (11) of the first end of unit (20), one end of pipeline (13) is connected with return air air inlet (14), the other end of pipeline (13) is connected with an end of the 3rd volume damper (F3), the other end of the 3rd volume damper (F3) is connected with an end and the exhaust duct (10) of second volume damper (F2) respectively, the other end of second volume damper (F2) is connected with last air inlet (18), first volume damper (F1) is arranged on the exhaust duct (10), the upper strata is handled unit (20) and is handled return air, lower floor handles unit (21) the new wind of processing or new wind adds part return air, the high temperature low-temperature receiver supply water (L2) connect a layer surface cooler (7) and low temperature cold source supply water (L1) connect the cold table device of lower floor (27), perhaps low temperature cold source supply water (L1) connect layer cold table device (7) and high temperature low-temperature receiver supply water (L2) connect the cold table device of lower floor (27).
2. the air-treatment unit based on cascaded utilization of energy according to claim 1, it is characterized in that: hold filter (9) at the beginning of it also comprises two, hold at the beginning of two filter (9) to be separately positioned on the front side of two air inlets of the heat regenerator (4) in upper box (11) and the lower box (12).
3. the air-treatment unit based on cascaded utilization of energy according to claim 2 is characterized in that: it also comprises return air filter (8), and handle on the arrival end of unit (20) on the upper strata that return air filter (8) is arranged in the upper box (11).
CN2008102098390A 2008-12-30 2008-12-30 Air processing unit based on energy step utilization Expired - Fee Related CN101440983B (en)

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Application Number Priority Date Filing Date Title
CN2008102098390A CN101440983B (en) 2008-12-30 2008-12-30 Air processing unit based on energy step utilization

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110020035A (en) * 2009-08-21 2011-03-02 에이피시스템 주식회사 Heater block for rapid thermal annealing apparatus of which the cooling water flows upper and lower layer separately
EP2720301B1 (en) * 2011-07-13 2019-04-24 LG Chem, Ltd. Battery module with improved connection reliability and medium- or large-sized battery pack including the same
CN102278795B (en) * 2011-07-25 2013-07-24 浙江大学 Central air-conditioning air supply system adopting double cooling coils
CN103322628B (en) * 2013-07-10 2015-08-05 中国建筑西南设计研究院有限公司 A kind of air-conditioning box and operation method thereof controlling haze sky room air pollution
CN103836736B (en) * 2014-02-10 2016-08-17 三湘股份有限公司 Intelligent fresh air purifies and Total heat exchange equipment and control method thereof
CN106152324A (en) * 2015-04-14 2016-11-23 上海春至新能源科技有限公司 The big temperature difference and part auxiliary air independent humidity control air conditioning system

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Publication number Priority date Publication date Assignee Title
WO2008138149A1 (en) * 2007-05-15 2008-11-20 Venmar Ventilation Inc. Temperature ventilation control
CN101315210A (en) * 2007-06-01 2008-12-03 浙江盾安人工环境设备股份有限公司 Optimizing system of central air-conditioner

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008138149A1 (en) * 2007-05-15 2008-11-20 Venmar Ventilation Inc. Temperature ventilation control
CN101315210A (en) * 2007-06-01 2008-12-03 浙江盾安人工环境设备股份有限公司 Optimizing system of central air-conditioner

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