CN202546975U - Cooling tower and dry fan coil unit plus fresh air independent dehumidification combined air conditioning system - Google Patents
Cooling tower and dry fan coil unit plus fresh air independent dehumidification combined air conditioning system Download PDFInfo
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- CN202546975U CN202546975U CN2012201585381U CN201220158538U CN202546975U CN 202546975 U CN202546975 U CN 202546975U CN 2012201585381 U CN2012201585381 U CN 2012201585381U CN 201220158538 U CN201220158538 U CN 201220158538U CN 202546975 U CN202546975 U CN 202546975U
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Abstract
The utility model discloses a cooling tower and dry fan coil unit plus fresh air independent dehumidification combined air conditioning system. In summers and transitional seasons, different cold sources are adopted to provide cold quantity to a dry fan coil, so that indoor cooling load is matched with fan coil cold quantity and efficiency of a unit is increased. A first water pump is arranged on a water outlet pipe of a water chilling unit; the first water pump is connected with a water inlet pipe of a fresh air handling unit in one path; a water outlet pipe of the fresh air handling unit is connected with a water inlet pipe of the water chilling unit in one path; a second interface of a second electric three-way valve is connected with a water inlet pipe of the dry fan coil; a third interface of the second electric three-way valve is connected with a first water outlet pipe of a plate type heat exchanger; a second interface of a third electric three-way valve is connected with the water inlet pipe of the dry fan coil; a third interface of the third electric three-way valve is connected with a first water inlet pipe of the plate type heat exchanger; a water outlet pipe of a cooling tower is connected with a second water inlet pipe of the plate type heat exchanger; and a second water outlet pipe of the plate type heat exchanger is connected with a water return pipe of the cooling tower by a circulating water pump.
Description
Technical field
The utility model relates to air-conditioning technical field, in particular, relates to a kind of cooling tower and adds the air-conditioning system that new wind independent humidity control combines with dry-type fan coil.
Background technology
Dry-type fan coil adds new wind independent humidity control system's most employing new blower fan group and shared low-temperature receiver of dry-type fan coil or adopts independently handpiece Water Chilling Units cooling separately at present, and this compound mode is applicable to summer cooling; Under the situation that the transition season outdoor temperature reduces; Occur easily that dry-type fan coil handles that cold is excessive, refrigerating capacity and indoor refrigeration duty be difficult to problems such as coupling; Not only can cause dry coil pipe to be in operation under the wet cooling condition, also cause energy waste, reduce the operational efficiency of unit simultaneously.Utilization to natural cooling source-cooling tower technology normally directly is connected cooling tower with the evaporimeter of refrigeration unit at present; Be used for the precooling chilled water; This has practiced thrift energy consumption under the summer cooling condition, but still exists humidity wayward at transition season, the problem that energy consumption is bigger.
The utility model content
The utility model is in order to overcome weak point of the prior art, to provide a kind of cooling tower and dry-type fan coil to add the air-conditioning system that new wind independent humidity control combines, at summer and transition season; Adopting different low-temperature receivers is that dry-type fan coil provides cold; Thereby indoor refrigeration duty and fan coil cold are complementary, improve the efficient of unit, prolong the time of utilizing of natural cooling source; Energy efficient, and make indoor temperature and humidity be easy to control.
The utility model is realized through following technical proposals:
A kind of cooling tower adds the air-conditioning system that new wind independent humidity control combines with dry-type fan coil; Comprise handpiece Water Chilling Units, new blower fan group, dry-type fan coil; It is characterized in that; Also comprise cooling tower, be connected with first water pump on the outlet pipe of handpiece Water Chilling Units, said first water pump one tunnel is connected with new blower fan group water inlet pipe; Another road is connected with first interface of first electric T-shaped valve; The outlet pipe of said new blower fan group is leaded up to first magnetic valve and is connected with the water inlet pipe of handpiece Water Chilling Units, and another road is connected with second interface of first electric T-shaped valve, and the 3rd interface of said first electric T-shaped valve is connected with first interface of second electric T-shaped valve through the 4th magnetic valve; Second interface of said second electric T-shaped valve is connected with the water inlet pipe of dry-type fan coil; The 3rd interface of said second electric T-shaped valve is connected with first outlet pipe of plate type heat exchanger through the 5th magnetic valve, and the outlet pipe of said dry-type fan coil is connected with first interface of the 3rd electric T-shaped valve, and second interface of said the 3rd electric T-shaped valve is connected with the water inlet pipe of dry-type fan coil; The 3rd interface of said the 3rd electric T-shaped valve is leaded up to the 3rd magnetic valve, second water pump and is connected with first water inlet pipe of plate type heat exchanger; Another road is connected with the handpiece Water Chilling Units water inlet pipe through second magnetic valve, and the outlet pipe of said cooling tower is connected with second water inlet pipe of plate type heat exchanger through water filtering device, and second outlet pipe of said plate type heat exchanger is connected with the return pipe of cooling tower through water circulating pump; Between the water inlet pipe of handpiece Water Chilling Units and the outlet pipe balanced valve is installed, said first magnetic valve, second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, the 5th magnetic valve, first electric T-shaped valve, second electric T-shaped valve, the 3rd electric T-shaped valve, first water pump, second water pump and water circulating pump are connected with temperature controller respectively.
First water pump and second water pump are variable frequency pump.
Said handpiece Water Chilling Units is big temperature difference handpiece Water Chilling Units.
The utlity model has following technique effect:
1, in the air-conditioning system of the utility model, new blower fan group links to each other with big temperature difference handpiece Water Chilling Units, and the required chilled water of new blower fan group is provided by big temperature difference handpiece Water Chilling Units; Be used to bear new wind load and indoor all humidity loads, dry-type fan coil and new blower fan group are used to bear indoor sensible heat load with the handpiece Water Chilling Units feed pipe, link to each other with the cooling tower outlet pipe; Dry-type fan coil links to each other with cooling tower, automatically switches to cooling tower feed pipe direction at the transition season magnetic valve, is that dry coil pipe provides cold water by cooling tower; Realized that the transition season air-conditioning system utilizes natural cooling source (cooling tower) for dry-type fan coil institute's chilling requirement to be provided; Prolonged the time of utilizing of natural cooling source, handpiece Water Chilling Units is that new blower fan group provides cold chilled water, makes indoor temperature and humidity be easy to control and regulation; And can improve unit operation efficient, cut down the consumption of energy.
2, the air-conditioning system of the utility model is carried out heat exchange with cooling tower system and dry coil system, and in cooling tower water outlet place water treatment filter is set, and guarantees the water cleaning degree.
3, the air-conditioning system of the utility model guarantees each loine pressure balance through the conversion that realizes summer and transition season cooling mode that is provided with of the magnetic valve between each equipment.
Description of drawings
Fig. 1 adds the schematic diagram of the air-conditioning system that new wind independent humidity control combines for the utility model cooling tower and dry-type fan coil.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
Fig. 1 adds the schematic diagram of the air-conditioning system that new wind independent humidity control combines for the utility model cooling tower and dry-type fan coil; Comprise handpiece Water Chilling Units 1, new blower fan group 2, dry-type fan coil 3, cooling tower 4; Be connected with first water pump 7 on the outlet pipe of handpiece Water Chilling Units 1; Said first water pump 7 one tunnel is connected with new blower fan group 2 water inlet pipes; Another road is connected with first interface of first electric T-shaped valve 10; The outlet pipe of said new blower fan group 2 is leaded up to first magnetic valve 13 and is connected with the water inlet pipe of handpiece Water Chilling Units; Another road is connected with second interface of first electric T-shaped valve 10; The 3rd interface of said first electric T-shaped valve 10 is connected with first interface of second electric T-shaped valve 11 through the 4th magnetic valve 16, and second interface of said second electric T-shaped valve 11 is connected with the water inlet pipe of dry-type fan coil, and the 3rd interface of said second electric T-shaped valve 11 is connected with first outlet pipe of plate type heat exchanger 5 through the 5th magnetic valve 17; The outlet pipe of said dry-type fan coil 3 is connected with first interface of the 3rd electric T-shaped valve 12; Second interface of said the 3rd electric T-shaped valve 12 is connected with the water inlet pipe of dry-type fan coil 3, and the 3rd interface of said the 3rd electric T-shaped valve 12 is leaded up to the 3rd magnetic valve 15, second water pump 9 and is connected with first water inlet pipe of plate type heat exchanger 5, and another road is connected with the handpiece Water Chilling Units water inlet pipe through second magnetic valve 14; The outlet pipe of said cooling tower is connected with second water inlet pipe of plate type heat exchanger through water filtering device 6, and second outlet pipe of said plate type heat exchanger is connected with the return pipe of cooling tower through water circulating pump; Balanced valve 18 is installed between the water inlet pipe of handpiece Water Chilling Units and the outlet pipe, and said first magnetic valve, second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, the 5th magnetic valve, first electric T-shaped valve, second electric T-shaped valve, the 3rd electric T-shaped valve, first water pump, second water pump and water circulating pump are connected with temperature controller respectively.
Wherein, first water pump 7 and second water pump 9 are variable frequency pump.
Said handpiece Water Chilling Units 1 is big temperature difference handpiece Water Chilling Units.
New blower fan group links to each other with big temperature difference handpiece Water Chilling Units, by big temperature difference handpiece Water Chilling Units the required chilled water of new blower fan group is provided, and is used to bear new wind load and indoor all humidity loads.Dry-type fan coil and new blower fan group are used to bear indoor sensible heat load with the handpiece Water Chilling Units feed pipe, link to each other with the cooling tower outlet pipe.Dry-type fan coil is connected in the transition season magnetic valve mutually with cooling tower and automatically switches to cooling tower feed pipe direction, is that dry coil pipe provides cold water by cooling tower.Plate type heat exchanger links to each other with dry coil pipe with cooling tower, cooling tower system and dry coil system is carried out heat exchange, and in cooling tower water outlet place water treatment filter is set, and guarantees the water cleaning degree.Three electric T-shaped valves are regulated the dry coil pipe supply water temperature automatically according to the variation of indoor dew-point temperature.Each magnetic valve requires automatic switchover cold water source according to outdoor wet-bulb temperature, and temperature controller requires the switch of control dry-type fan coil according to indoor temperature.Reach the connected mode between each equipment water inlet pipe and water outlet pipe and stop valve and the balanced valve between each equipment, realize the conversion of summer and transition season cooling mode, guarantee each loine pressure balance.
In summer cooling season, chilled water gets into dry-type fan coil after handling new wind through new blower fan group, and at this moment, the cold insufficient section is regulated via first electric T-shaped valve 10 by handpiece Water Chilling Units and replenished.
At transition season; When outdoor temperature humidity reaches design load; The 5th magnetic valve 17 at the water inlet pipe of dry-type fan coil, outlet pipe place, the 3rd magnetic valve 15 switch from cooling tower direction (second magnetic valve 14, the 4th magnetic valve 16 are closed); Handpiece Water Chilling Units provides the cold of new blower fan group dehumidifying cooling, and dry-type fan coil institute chilling requirement is provided by cooling tower, between dry-type fan coil and the cooling tower via the plate type heat exchanger heat exchange; When outdoor parameter changes, when the cold that cooling tower provides is not enough to meet the demands, regulate automatically through first electric T-shaped valve 10, the 4th magnetic valve 16 at dry coil pipe water inlet pipe place, can provide chilled water to replenish the part cold by handpiece Water Chilling Units; When providing cold during, can control the 4th magnetic valve 16 through temperature controller and close down greater than the indoor load requirement.
The heat of plate type heat exchanger 5 exchange dry-type fan coils and cooling tower is set between cooling tower and the dry-type fan coil,, and guarantees the pressure balance separately of two cover systems with the water cleaning requirement of assurance dry-type fan coil.
The air-conditioning system of the utility model is applied to dry-type fan coil with cooling tower and adds new wind independent humidity control system; Not only solved the uppity problem of transition season indoor humidity; And improved the operational efficiency of unit, and prolong natural cooling source and utilized the time, practiced thrift energy consumption.
Claims (3)
1. a cooling tower adds the air-conditioning system that new wind independent humidity control combines with dry-type fan coil; Comprise handpiece Water Chilling Units, new blower fan group, dry-type fan coil; It is characterized in that; Also comprise cooling tower, be connected with first water pump on the outlet pipe of handpiece Water Chilling Units, said first water pump one tunnel is connected with new blower fan group water inlet pipe; Another road is connected with first interface of first electric T-shaped valve; The outlet pipe of said new blower fan group is leaded up to first magnetic valve and is connected with the water inlet pipe of handpiece Water Chilling Units, and another road is connected with second interface of first electric T-shaped valve, and the 3rd interface of said first electric T-shaped valve is connected with first interface of second electric T-shaped valve through the 4th magnetic valve; Second interface of said second electric T-shaped valve is connected with the water inlet pipe of dry-type fan coil; The 3rd interface of said second electric T-shaped valve is connected with first outlet pipe of plate type heat exchanger through the 5th magnetic valve, and the outlet pipe of said dry-type fan coil is connected with first interface of the 3rd electric T-shaped valve, and second interface of said the 3rd electric T-shaped valve is connected with the water inlet pipe of dry-type fan coil; The 3rd interface of said the 3rd electric T-shaped valve is leaded up to the 3rd magnetic valve, second water pump and is connected with first water inlet pipe of plate type heat exchanger; Another road is connected with the handpiece Water Chilling Units water inlet pipe through second magnetic valve, and the outlet pipe of said cooling tower is connected with second water inlet pipe of plate type heat exchanger through water filtering device, and second outlet pipe of said plate type heat exchanger is connected with the return pipe of cooling tower through water circulating pump; Between the water inlet pipe of handpiece Water Chilling Units and the outlet pipe balanced valve is installed, said first magnetic valve, second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, the 5th magnetic valve, first electric T-shaped valve, second electric T-shaped valve, the 3rd electric T-shaped valve, first water pump, second water pump and water circulating pump are connected with temperature controller respectively.
2. cooling tower according to claim 1 adds the air-conditioning system that new wind independent humidity control combines with dry-type fan coil, it is characterized in that, first water pump and second water pump are variable frequency pump.
3. cooling tower according to claim 1 adds the air-conditioning system that new wind independent humidity control combines with dry-type fan coil, it is characterized in that, said handpiece Water Chilling Units is big temperature difference handpiece Water Chilling Units.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012201585381U CN202546975U (en) | 2012-04-16 | 2012-04-16 | Cooling tower and dry fan coil unit plus fresh air independent dehumidification combined air conditioning system |
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CN2012201585381U CN202546975U (en) | 2012-04-16 | 2012-04-16 | Cooling tower and dry fan coil unit plus fresh air independent dehumidification combined air conditioning system |
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CN202546975U true CN202546975U (en) | 2012-11-21 |
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CN2012201585381U Expired - Fee Related CN202546975U (en) | 2012-04-16 | 2012-04-16 | Cooling tower and dry fan coil unit plus fresh air independent dehumidification combined air conditioning system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103912945A (en) * | 2014-04-14 | 2014-07-09 | 浪潮电子信息产业股份有限公司 | Natural cooling water-cooled air conditioner system |
CN105258246A (en) * | 2015-10-10 | 2016-01-20 | 珠海格力电器股份有限公司 | Central air-conditioning system and control method thereof |
CN107461862A (en) * | 2017-08-28 | 2017-12-12 | 广州泛美实验室系统科技股份有限公司 | A kind of laboratory exhaust gas heat recovery system |
-
2012
- 2012-04-16 CN CN2012201585381U patent/CN202546975U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103912945A (en) * | 2014-04-14 | 2014-07-09 | 浪潮电子信息产业股份有限公司 | Natural cooling water-cooled air conditioner system |
CN105258246A (en) * | 2015-10-10 | 2016-01-20 | 珠海格力电器股份有限公司 | Central air-conditioning system and control method thereof |
CN107461862A (en) * | 2017-08-28 | 2017-12-12 | 广州泛美实验室系统科技股份有限公司 | A kind of laboratory exhaust gas heat recovery system |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20140416 |