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Combined-type coil pipe air treatment device, air treatment system based on combined-type coil pipe air treatment device and using method

An air treatment device and air treatment system technology, applied in air conditioning systems, ventilation systems, pipeline layout, etc., can solve problems such as insufficient air supply volume of the fresh air system, large load of the air conditioning system, and insufficient indoor gas replacement

Pending Publication Date: 2020-12-25
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art, to provide a combined coil air treatment device, and an air treatment system and usage method based on it, so as to solve the problem of insufficient air supply of the fresh air system in the prior art center, resulting in Insufficient indoor air replacement, long-term use, resulting in technical problems with a large load on the air conditioning system

Method used

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  • Combined-type coil pipe air treatment device, air treatment system based on combined-type coil pipe air treatment device and using method
  • Combined-type coil pipe air treatment device, air treatment system based on combined-type coil pipe air treatment device and using method
  • Combined-type coil pipe air treatment device, air treatment system based on combined-type coil pipe air treatment device and using method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0091] Take the operating condition of the air conditioning system without increasing the air volume as an example:

[0092] It is known that the fresh air volume to be processed is 1.7kg / s, and the initial air parameter is t 1 = 33.5°C, i 1 =82.63kJ / kg. 干空气 ,t s1 = 24.1°C. And it can be seen that the final air parameter is t 2 =25°C,i 2 =71.28kJ / kg. 干空气 ,t s2 = 23.2°C.

[0093] According to formula (1-2) get ε 2 =0.809, the preliminary selection of the UII type 2-row coil air handling device 14 can meet the requirements. Assume V y is 1.5m / s according to the formula (1-3): Actual A y =0.944

[0094] So bring it into the back calculation to know the actual V y =1.5m / s, consult the relevant manuals to know the ε of the actual 4 rows of UII coil air handling devices 14 2 = 0.841, which is not very different from the required requirements. At the same time, it can be known that the heat transfer area A of each row of the coil air handling device 14 d =12.15m 2 ...

Embodiment 2

[0098] The type selection of the coil air handling device 14 under the fresh air condition is calculated.

[0099] The preset fresh air return ratio is 1:9, and the exhaust air volume is 10%. Under the fresh air operating condition, the total air volume is 5.55kg / s, of which the exhaust air volume is 0.56kg / s. Consistent with the aforementioned embodiment 1, the JW type coil air treatment device 14 is preselected in advance. The initial parameter of air is t 1 = 33.5°C, i 1 =82.63kJ / kg. 干空气 ,t s1 = 24.1°C. And it can be seen that the final air parameter is t 2 =13.4°C, i 2 =41.14kJ / kg. 干空气 ,t s2 = 14.25°C.

[0100] According to formula (1-2) get ε 2 =0.823, the preliminary selection of JW type 8-row coil air treatment device 14 can meet the requirements. Assume V y is 2m / s and can be obtained according to formula (1-3): Actual A y =2.57 So bring it into the inverse calculation to know the actual V y =1.8m / s, refer to relevant manuals to know the ε of the actua...

Embodiment 3

[0104] Assuming the wind speed is 5-6.5m / s, choose the size according to the air volume. The fresh air volume is 1.7kg / s, the total air volume is 5.55kg / s, and the exhaust air volume is 0.56kg / s. According to the "Practical Heating and Air Conditioning Design Manual", the diameter of the fresh air duct is 1250×250, the diameter of the return air duct is 1250×630, and the diameter of the exhaust duct is 320×320. When the pipe length of the exhaust pipe is small, for example, the return air pipe in the machine room directly leads to the outside for exhaust. The pipe diameter of the exhaust air duct and the pipe diameter of the return air duct are selected in accordance with the same. When the pipe length of the exhaust pipe is long, the diameter of the exhaust pipe can be designed according to the way of a large pipe with a small pipe. The diameter of the external pipe is the same as that of the return air pipe, and the built-in air pipe is the same as the original exhaust air...

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Abstract

The invention discloses a combined-type coil pipe air treatment device, an air treatment system based on the combined-type coil pipe air treatment device and a using method. According to the combined-type coil pipe air treatment device, a traditional air treatment device is divided into two compartments, wherein one compartment is used for treating return air, and the other compartment is used fortreating fresh air. By means of the combined-type coil pipe air treatment device, the fresh air and return air enter a shell through an air inlet, and enter the first compartment and the second compartment through a combined coil pipe and are sent out through different vertical air outlets. According to the process, the air treatment process of the fresh air and return air is divided, the area ofthe coil pipe occupied by a fresh air treatment unit is increased by removing or moving a vertical heat insulation partition plate, meanwhile, due to the adjustability of return air section ribs andfresh air section ribs, the flexibility of the combined coil pipe in the case of load change is greatly improved, and the service life of the combined coil pipe is prolonged. Under the effect of the vertical partition plate of the device, an exhaust pipe has dual-purpose, and the effect of a fresh air pipe can be achieved.

Description

【Technical field】 [0001] The invention belongs to the technical field of fresh air systems, and relates to a combined coil air treatment device, an air treatment system based on the same and a use method. 【Background technique】 [0002] As a heat exchange device often used in air conditioning systems, the coil can use one medium to cool or heat another medium, and finally achieve the effect of heat and moisture exchange. The coil has the advantage of individual control, and at the same time, its body is small, and it is more convenient to arrange, install, and overhaul. The use of coils and other accessories in the air conditioning system can well solve some of the needs for indoor ventilation. [0003] When a large air volume is required indoors to increase the degree of indoor replacement, although the current traditional air conditioning system can also increase the fresh air volume to a certain extent or operate under fresh air conditions, it will not be able to complet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F5/00F24F13/20F24F7/007F24F11/89F24F13/02F24F13/30F24F13/24F24F11/74F24F11/64F28F1/12
CPCF24F5/0003F24F7/007F24F13/02F24F13/20F24F13/24F24F13/30F24F2013/247F28F1/12F24F11/64F24F11/74F24F11/89
Inventor 杨斌李潇婧杨长青周斌高然尹海国李安桂
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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