CN203642369U - Multifunctional air conditioning dehumidification unit with condensation heat recycling function - Google Patents
Multifunctional air conditioning dehumidification unit with condensation heat recycling function Download PDFInfo
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- CN203642369U CN203642369U CN201320838608.2U CN201320838608U CN203642369U CN 203642369 U CN203642369 U CN 203642369U CN 201320838608 U CN201320838608 U CN 201320838608U CN 203642369 U CN203642369 U CN 203642369U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
本实用新型公开了一种带冷凝热回收的多功能空调除湿机组，包括机组壳体，所述机组壳体内设置有压缩机、水冷冷凝器、冷凝热回收器、节流装置、蒸发器、表冷器、进风口、过滤器、送风机和出风口；所述压缩机、水冷冷凝器、冷凝热回收器、节流装置和蒸发器依次通过制冷剂管连接，组成机组的自身冷源系统；所述表冷器通过冷水或热水供回水管连接外部集中空调的冷源或热源系统；所述水冷冷凝器通过连接水管连接外部集中设置的冷却水系统。本实用新型可作为集中空调系统的空气冷却除湿或加热设备；也可在集中空调停止运行时独立制冷，并能独立除湿调温，适用于设有集中空调系统的博物馆、美术馆等类似建筑和需要低负荷空调制冷及除湿调温的建筑。
The utility model discloses a multifunctional air-conditioning dehumidification unit with condensation heat recovery, which comprises a unit shell, and a compressor, a water-cooled condenser, a condensation heat recovery device, a throttling device, an evaporator, and a meter are arranged in the unit shell. Cooler, air inlet, filter, blower and air outlet; the compressor, water-cooled condenser, condensation heat recovery device, throttling device and evaporator are sequentially connected through refrigerant pipes to form the unit's own cold source system; The surface cooler is connected to the cold source or heat source system of the external central air conditioner through the cold water or hot water supply and return pipe; the water-cooled condenser is connected to the external centralized cooling water system through the connecting water pipe. The utility model can be used as the air cooling dehumidification or heating equipment of the central air conditioning system; it can also be used for independent cooling when the central air conditioning stops running, and can independently dehumidify and adjust the temperature. It is suitable for museums, art galleries and other similar buildings and buildings equipped with centralized air conditioning systems Buildings that require low-load air-conditioning refrigeration and dehumidification.
Description
Technical field
The utility model belongs to refrigeration air-conditioner field, be specifically related to a kind of with surface cooler, carry kind of refrigeration cycle again, also recyclable condensation heat is carried out the air conditioning dehumidifying unit of heat again to air.
Background technology
The central air-conditioning system of existing employing chilled water system, is in operation and has following problem:
(1) there is low load with strong power phenomenon in air-conditioning system.The feature of the central air conditioning of heavy construction: handpiece Water Chilling Units and water pump capacity are large, and cooling load of air-condition is large, and air conditioner load excursion is large.Working period air conditioner load is large, can form multiple combined capacity by methods such as the number of units of cold source equipment and amount of capacity collocation, adaptive system load variations, and can efficiently move.But come off duty the period, because overtime work phenomenon is general, if overtime work number is many, central air-conditioning system also can be moved under the state of underload.If overtime work number is few, the room of use is few, and air conditioner load is very little, and central air-conditioning system just there will be low load with strong power phenomenon, and running efficiency of system is extremely low, there will be severe the situation that main frame cannot be opened.In order to meet the part needs of working overtime, or room need to be outside the conventional period long-play, some engineering adds split-type air conditioner for these rooms, after concentrated cold source equipment is closed, moves.For large-scale Gongjian, as add split-type air conditioner, the putting position of outdoor unit is difficult to solve, and therefore has some engineerings separately to establish a set of water loop heat pump air conditioning system, and the situation of low load with strong power just can be alleviated.But no matter be to increase split-type air conditioner or water-loop heat pump, in air-conditioned room, have two cover end-equipments, taken more locus, increased initial cost.
(2) there is the conditioning in Transition Season inadequate phenomenon that dehumidifies in air-conditioning system.For transition season, particularly " return to Nan Tian " season at the end of spring and the beginning of summer of southern area and " yellow plum sky " season of the Yangtze river basin, indoor and outdoor temperature is not high, and thermic load is little, but humidity load is large.Under this weather condition, for constant air volume system, most air conditioning units (end-equipment) are to adopt return air temperature to regulate chilled-water flow, the freezing water yield in air conditioner end equipment reduces the minimizing with indoor refrigeration duty, when return air temperature is less than or equal to indoor design temperature, the chilled water that enters surface cooler will be turned off, and surface cooler is without cooling capacity, room conditioning end-equipment cool-down dehumidification ability variation, indoor humidity is large.Repeatedly, after circulation, humidity is increasing, has a strong impact on life, the work quality of indoor occupant, and excessive humidity may cause that indoor article is mouldy to degenerate, indoor air quality variation.If cool-down dehumidification by force, because caloric value is little, will cause wind pushing temperature too low, indoor environment is uncomfortable.If conditioning in Transition Season adopts all-fresh air system, but season of high humidity not high in this temperature, the humidity of outdoor air approaches saturated, and new wind is directly sent into indoor, by humidity indoor increase.
Utility model content
The purpose of this utility model is to provide a kind of multi-functional air conditioner dehumidifying unit reclaiming with condensation heat, this unit can participate in operation in the time that concentrated low-temperature receiver (or thermal source) is opened, again can be in the time that concentrated low-temperature receiver (or thermal source) be closed independent operating, make up the large system of central air conditioning and moved and cause the deficiency that energy consumption is large under underload, and at transition season, but the little humidity load of refrigeration duty is large, can carry out dehumidification and temperature adjustment to air, a tractor serves several purposes, reduces investment outlay, and saves operation energy consumption.
The purpose of this utility model is by taking following technical scheme to realize:
A kind of multi-functional air conditioner dehumidifying unit reclaiming with condensation heat, comprise machine unit shell, it is characterized in that: in described machine unit shell, be provided with compressor, water-cooled condenser, condensation heat recover, throttling arrangement, evaporimeter, surface cooler, air inlet, filter, pressure fan and air outlet; Described compressor, water-cooled condenser, condensation heat recover, throttling arrangement are connected by refrigerant pipe successively with evaporimeter, self cold source system of composition unit; Described surface cooler connects low-temperature receiver or the heat source system of outside central air conditioning for return pipe by cold water or hot water; Described water-cooled condenser connects the cooling water system of outside concentrated setting by connecting water pipe; Described filter be located at air inlet place, surface cooler before; Described surface cooler be located at evaporimeter before; Described pressure fan is located at air outlet place.
As further improvement of the utility model, cold-producing medium stop valve and refrigerant flow control valve are installed on the refrigerant inlet pipeline section of described condensation heat recover, do not need again heat in the time of air-treatment time, cold-producing medium stop valve is closed; In the time that system needs heat again, cold-producing medium stop valve is opened, regulate heat again by refrigerant flow control valve simultaneously, realize the function that regulates wind pushing temperature.
As a kind of embodiment of the present utility model, the cooling water system that described water-cooled condenser connects by connecting water pipe is cooling tower, gets rid of unnecessary condensation heat by cooling tower.
Unit described in the utility model is in the time using the low-temperature receiver of outside central air conditioning or heat source system, self cold source system is not worked, low-temperature receiver (or thermal source) system by central air conditioning provides cold water (or hot water), and the return air to unit or new wind carry out cooling down or heat treated.
Unit described in the utility model is in air conditioner refrigerating season, in the time not using the cold source system of outside central air conditioning, utilizes self cold source system of unit to carry out cooling, and air is carried out to cool-down dehumidification.
Unit described in the utility model is at moist transition season, or control requires in high situation to humidity, in the time that surface cooler quits work, adopts self cold source system to carry out cool-down dehumidification and the dehumidification and temperature adjustment processing of heat again to air.
Unit described in the utility model is in the time that the humiture of air intake is suitable, and surface cooler and self cold source system are not all worked, and pressure fan uses as blower fan.
The air of unit processing described in the utility model comprises new return air or the multiple situation of all-fresh air of indoor return air, mixing, and the refrigerated dehumidification ability of unit is carried out the capacity adjustment of corresponding component according to the air intake parameter of setting.
Improvement of the present utility model comprises following several respects: (1) is provided with surface cooler, can utilize the outside air conditioner cold water (or hot water) of concentrating low-temperature receiver (or thermal source) to provide to carry out refrigerated dehumidification or heat treated to air; (2) a set of independently cold source system is set self, in the time that outside concentrates the cold water (or hot water) of low-temperature receiver (or thermal source) to quit work, the cold source system self arranging can independent operating; (3) described condensation heat mainly connects external refrigeration tower by water cooling heat exchanger by cooling water pipe, condensation heat is drained into outdoor; (4) refrigerant pipe that enters condensation heat recover is provided with cold-producing medium stop valve, by switch cold-producing medium stop valve, can make unit under two kinds of operating modes of heat, change after refrigerated dehumidification and refrigerated dehumidification again; (5) refrigerant pipe that enters condensation heat recover is provided with refrigerant flow control valve, can regulate the refrigerant flow that enters condensation heat recover by the aperture of adjusting refrigerant flow rate control valve, thereby regulate heat again, realize the function that regulates wind pushing temperature; (6) unit can, by adjusting the amount of capacity of corresponding construction parts, meet the operation demand of return air operating mode or new wind operating mode.
The refrigerant flow direction of self cold source system of multi-functional air conditioner described in the utility model dehumidifying unit is: cold-producing medium enters respectively water-cooled condenser and condensation heat recover after compressor compression, converge afterwards, after throttling arrangement throttling, enter evaporimeter again, return compressor low-pressure end, complete a kind of refrigeration cycle, self independent cooling source system of composition air-conditioning unit, stops moving the in the situation that of providing cold water (or hot water) to unit in external source (or thermal source).Cold source system moves by two kinds of modes: (1) is in the time only needing air to carry out cool-down dehumidification, can close the cold-producing medium stop valve of being located on condensation heat recover entrance refrigerant pipe, condensation heat transfers heat to cooling water system by water cooled condenser and discharges.Now the processing procedure of air is: air carries out cooling and dehumidifying through evaporimeter, then delivers to indoor.(2) when air humidity is large or indoor Temperature and Humidity Control is had relatively high expectations, need to carry out cool-down dehumidification while heating up again to air, the cold-producing medium stop valve on condensation heat recover entrance refrigerant pipe is located in unlatching, regulate as required by the refrigerant flow control valve on refrigerant pipe the heat that enters condensation heat recover, remaining a large amount of condensation heat transfer heat to cooling water system by water cooling heat exchanger and discharge.Now the processing procedure of air is: air carries out cooling and dehumidifying through evaporimeter, then heats through condensation heat recover, realizes the dehumidification and temperature adjustment to air.
Compared with common air-conditioning unit, the utlity model has following advantage:
(1) unit of the present utility model is provided with surface cooler, while having the low-temperature receiver of available central air conditioning to provide cold water for surface cooler in building, this unit can carry out air conditioner refrigerating to air as common air conditioning unit, i.e. cool-down dehumidification is identical with common air conditioning end-equipment function.
(2) unit of the present utility model is provided with surface cooler, while having the thermal source of available central air conditioning to provide hot water for surface cooler in building, this unit can carry out air-conditioning heat supply to air as common air conditioning unit, identical with common air conditioning end-equipment function.
(3) unit of the present utility model carries independently cold source system, and in the time that daytime in summer, the routine work time, refrigerating capacity was large, the cold source system that the utility model unit carries does not start, and provides refrigerating capacity by the cold water in surface cooler.When the unconventional working time, because of overtime work or technological requirement, in building, only there is a small amount of room at long-play under underload, to concentrate cold source system that cold water is not provided if outside, can open the cold source system of the utility model unit, air is carried out to air conditioner refrigerating (cool-down dehumidification).Both meet user's air-conditioning demand, reached again the energy saving in running of system.
(4) at transition season, when unit EAT is low, when high humidity, open cold source system of the present utility model, utilize the condensation heat in condensation heat recover to carry out heat treatment again to the air after evaporimeter cool-down dehumidification, make the indoor comfortable humiture requirement that reaches, realize the function that the humiture of air-supply is regulated.Reclaiming the condensation heat of air-conditioning air is carried out to heat again, is also a kind of conservation measures.
(5) the utlity model has self independently cold source system, adopt water-cooled condenser discharge condensation heat, the application in large public building will be more flexible.
(6) the utility model can design by new wind operating mode or return air operating mode, is applicable to the southern damp-heat area resemble construction such as museum, the Art Museum that control is had relatively high expectations to humidity, can avoid indoor showpiece the occurrence of wetness, mouldy phenomenon to occur; Also be applicable to very much the central air-conditioning system of the building in transition season high humidity area, as have the southern area of " going back to Nan Tian " and the Yangtze-Huaihe River Valley in " yellow plum sky ".
figure of description
Fig. 1 is structural representation of the present utility model.
The specific embodiment
A kind of multi-functional air conditioner dehumidifying unit reclaiming with condensation heat as shown in Figure 1, comprise machine unit shell 8, in machine unit shell 8, be provided with compressor 1, water-cooled condenser 2, cold-producing medium stop valve 3, refrigerant flow control valve 4, condensation heat recover 5, throttling arrangement 6, evaporimeter 7, surface cooler 11, air inlet 9, filter 10, pressure fan 12 and air outlet 13; Compressor 1, water-cooled condenser 2, condensation heat recover 5, throttling arrangement 6 and evaporimeter 7 are connected by refrigerant pipe successively, self cold source system of composition unit; Surface cooler 11 connects low-temperature receiver (or thermal source) system of outside central air conditioning for return pipe by cold water (or hot water); Water-cooled condenser 2 connects the cooling water system (cooling tower) of outside concentrated setting by connecting water pipe; Filter 10 be located at air inlet 9 places, surface cooler 11 before; Surface cooler 11 be located at evaporimeter 7 before; Pressure fan 12 is located at air outlet 13 places; Cold-producing medium stop valve 3 and cold-producing medium electric control valve 4 are arranged on the refrigerant inlet pipeline section of condensation heat recover 5.
The operation principle of the multi-functional air conditioner dehumidifying unit that the utility model band condensation heat reclaims is:
While having available central air conditioning low-temperature receiver (or thermal source) to provide cold water (or hot water) for surface cooler in building, self cold source system of air-conditioning unit is not worked, and surface cooler 11 uses the cold water (or hot water) of central air conditioning low-temperature receiver (or thermal source) system to carry out air conditioner refrigerating (or air-conditioning heating) to air-conditioning return air and processes.Its air handling process is: pending air enters air-conditioning unit from air inlet 9, carry out dust removal and filtration through filter 10, then carrying out cooling down (or heating) through surface cooler 11 processes, while flowing through evaporimeter 7 and condensation heat recover 5, do not process, finally send into indoor by pressure fan 12 through air outlet 13.
In the unconventional working time in summer, because of overtime work or technological requirement, in building, only there is a small amount of room need to be at long-play under underload, while concentrating cold source system not provide cold water in building, self cold source system work of unit, carries out air conditioner refrigerating (cool-down dehumidification) to air.Now, the cold-producing medium stop valve 3 of condensation heat recover 5 porch is closed, and opens the outside cooling water system connecting of unit simultaneously, gets rid of condensation heat by cooling water system.The flow direction of unit self cold source system cold-producing medium is: cold-producing medium, after compressor 1 compression, enters water-cooled condenser 2, after throttling arrangement 6 throttlings, enters evaporimeter 7, returns compressor 1 low-pressure end, completes a circulation.Its air handling process is: pending air-conditioning return air enters air-conditioning unit from air inlet 9, carry out dust removal and filtration through filter 10, by out-of-work surface cooler 11, through evaporimeter 7 cooling and dehumidifyings, after idle condensation heat recover 5, send into indoor by pressure fan 12 through air outlet 13 again.
At transition season, in the time that unit EAT is low, high humidity need to dehumidify, surface cooler 11 is without outside central air conditioning low-temperature receiver supply cold water, and self cold source system work of air-conditioning unit, carries out cooling and dehumidifying and heat treatment again to air.Now, the cold-producing medium stop valve 3 of condensation heat recover 5 entrances is opened, its refrigerant flow direction is: cold-producing medium is after compressor 1 compression, sub-fraction enters condensation heat recover 5, remaining major part enters water-cooled condenser 2, and cold-producing medium converges after air-cooled and two condensers of water-cooled, after throttling arrangement 6 throttlings, enters evaporimeter 7, return compressor 1 low-pressure end, complete a kind of refrigeration cycle.Refrigerant flow control valve 4 on refrigerant pipe can pass through to regulate regulation heat again, thereby regulates wind pushing temperature, and unnecessary condensation heat is discharged by cooling water system after water-cooled condenser 2 heat exchange.Its air handling process is: air enters air-conditioning unit by air inlet 9, carry out dust removal and filtration through filter 10, by out-of-work surface cooler 11, through evaporimeter 7 cooling and dehumidifyings, after condensation heat recover 5 heat temperature raisings, finally send into indoor by pressure fan 12 through air outlet 13 again.
The air of the utility model unit processing can comprise the air of the various states such as new return air, all-fresh air of indoor return air, mixing, and the refrigerated dehumidification ability of unit can be carried out the capacity adjustment of corresponding component according to the air intake parameter of setting.
At dry transition season, as autumn, outdoor air is dry, and temperature is moderate, and this outdoor air is as new wind, and unit is without new wind is carried out to hot wet process.Now, the surface cooler 11 of air-conditioning unit and self cold source system all quit work.Outdoor new wind enters air-conditioning unit from air inlet 9, carries out dust removal and filtration through filter 10, then passes through out-of-work surface cooler 11, evaporimeter 7 and condensation heat recover 5, is sent into indoorly by pressure fan 12 through air outlet 13, and system can realize all-fresh air operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320838608.2U CN203642369U (en) | 2013-12-19 | 2013-12-19 | Multifunctional air conditioning dehumidification unit with condensation heat recycling function |
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| CN201320838608.2U CN203642369U (en) | 2013-12-19 | 2013-12-19 | Multifunctional air conditioning dehumidification unit with condensation heat recycling function |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629755A (en) * | 2013-12-19 | 2014-03-12 | 广东省建筑科学研究院 | Multi-function air-conditioning and dehumidifying unit with condensation heat recovery functions |
| CN105202656A (en) * | 2015-09-18 | 2015-12-30 | 珠海格力电器股份有限公司 | Fresh air dehumidification system and method |
| CN106765942A (en) * | 2016-12-17 | 2017-05-31 | 佛山市罗伯特环境科技有限公司 | Multifunctional novel blower fan control system and its control method |
| CN107816760A (en) * | 2016-09-06 | 2018-03-20 | 深圳市昊昱环保科技有限公司 | A kind of four seasons type water-cooled dehumidification system and its control method |
| CN108917034A (en) * | 2018-07-11 | 2018-11-30 | 怀宁县鑫盛制冷设备有限公司 | A kind of novel air-conditioning outdoor unit radiator |
| CN109341125A (en) * | 2018-11-16 | 2019-02-15 | 珠海格力电器股份有限公司 | Refrigeration system and control method |
| CN113375323A (en) * | 2021-07-20 | 2021-09-10 | 广东智博士系统集成控制有限公司 | Indoor temperature and humidity regulation and control unit based on double-temperature-regulation all-air dehumidification technology |
| CN114877414A (en) * | 2022-04-29 | 2022-08-09 | 广东顺景制冷科技有限公司 | Box type environment-friendly energy-saving constant-temperature constant-humidity unit |
| CN114909720A (en) * | 2022-04-29 | 2022-08-16 | 广东顺景制冷科技有限公司 | Water-cooling energy-saving air conditioner dehumidifier adaptable to different environments for storage |
-
2013
- 2013-12-19 CN CN201320838608.2U patent/CN203642369U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629755A (en) * | 2013-12-19 | 2014-03-12 | 广东省建筑科学研究院 | Multi-function air-conditioning and dehumidifying unit with condensation heat recovery functions |
| CN105202656A (en) * | 2015-09-18 | 2015-12-30 | 珠海格力电器股份有限公司 | Fresh air dehumidification system and method |
| CN107816760A (en) * | 2016-09-06 | 2018-03-20 | 深圳市昊昱环保科技有限公司 | A kind of four seasons type water-cooled dehumidification system and its control method |
| CN106765942A (en) * | 2016-12-17 | 2017-05-31 | 佛山市罗伯特环境科技有限公司 | Multifunctional novel blower fan control system and its control method |
| CN108917034A (en) * | 2018-07-11 | 2018-11-30 | 怀宁县鑫盛制冷设备有限公司 | A kind of novel air-conditioning outdoor unit radiator |
| CN109341125A (en) * | 2018-11-16 | 2019-02-15 | 珠海格力电器股份有限公司 | Refrigeration system and control method |
| CN113375323A (en) * | 2021-07-20 | 2021-09-10 | 广东智博士系统集成控制有限公司 | Indoor temperature and humidity regulation and control unit based on double-temperature-regulation all-air dehumidification technology |
| CN114877414A (en) * | 2022-04-29 | 2022-08-09 | 广东顺景制冷科技有限公司 | Box type environment-friendly energy-saving constant-temperature constant-humidity unit |
| CN114909720A (en) * | 2022-04-29 | 2022-08-16 | 广东顺景制冷科技有限公司 | Water-cooling energy-saving air conditioner dehumidifier adaptable to different environments for storage |
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Address after: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Patentee after: GUANGDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH GROUP Co.,Ltd. Address before: 510500 martyrs East Road, Guangdong, Guangzhou No. 121 Patentee before: GUANGDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH |
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Granted publication date: 20140611 |
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