CN203533743U - Indirect stroke-separating condensation reheating type dual cold source fresh air unit - Google Patents
Indirect stroke-separating condensation reheating type dual cold source fresh air unit Download PDFInfo
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- CN203533743U CN203533743U CN201320633127.8U CN201320633127U CN203533743U CN 203533743 U CN203533743 U CN 203533743U CN 201320633127 U CN201320633127 U CN 201320633127U CN 203533743 U CN203533743 U CN 203533743U
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- water
- triple valve
- cooling
- surface cooler
- air
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- 230000005494 condensation Effects 0.000 title claims abstract description 14
- 238000009833 condensation Methods 0.000 title claims abstract description 14
- 238000003303 reheating Methods 0.000 title abstract 4
- 230000009977 dual effect Effects 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 120
- 238000007791 dehumidification Methods 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 206010037660 Pyrexia Diseases 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000008400 supply water Substances 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model discloses an indirect stroke-separating condensation reheating type dual cold source fresh air unit which comprises a fresh air unit shell with an air inlet and an air outlet. A preceding-stage surface air cooling dehumidification system, an intermediate direct expansion dehumidification system, a backward-stage surface air cooling temperature regulation system, a water inlet pipe and a water outlet pipe are arranged in the shell; the preceding-stage surface air cooling dehumidification system comprises a dehumidification surface air cooler and a first waterway three-way valve; the intermediate direct expansion dehumidification system is a single cooling system and comprises an evaporator, a water-cooling condenser and a second waterway three-way valve; the backward-stage surface air cooling temperature regulation system comprises a temperature regulation surface air cooler and a third waterway three-way valve. Condensation heat of the intermediate direct expansion dehumidification system is used for carrying out indirect reheating on outlet air, so that stepless regulation of the outlet air temperature is achieved; the intermediate direct expansion dehumidification system is the single cooling system, a reheating condenser and multiple refrigeration valve parts are omitted, and the system is simplified; cooling water of the water-cooling condenser comes from low-temperature outlet water of the dehumidification surface air cooler, the cooling effect is good, refrigerating efficiency is high and a cooling tower is also omitted.
Description
Technical field
The utility model relates to a kind of pair of new blower fan group of low-temperature receiver, relates in particular to formula condensation in a kind of minute two new blower fan groups of low-temperature receiver of pattern of fever more indirectly.
Background technology
The new blower fan group of two low-temperature receivers has adopted the low-temperature receiver of high and low two kinds of different evaporating temperatures, and high temperature low-temperature receiver adopts 15-20 ℃ of chilled water or natural cooling source, and low temperature cold source is provided by straight swollen dehumidification system.Hot and humid new wind becomes the air of low temperature and low humidity after the dehumidifying of the twin-stage low-temperature receiver degree of depth, for realizing leaving air temp, carries out step-less adjustment between 16-22 ℃, and air-out need to be carried out heat treated, and it is controlled continuously to add heat requirement.
The existing pair of new blower fan group of low-temperature receiver, air-out again heat is to rely on the condensation heat of straight swollen dehumidification system directly to heat and realize mostly.Straight swollen dehumidification system has major and minor two condensers, main condenser discharge condensation heat, and secondary condenser recovery section condensation heat is used for heating the air of the low temperature and low humidity after refrigerated dehumidification.
Major and minor condenser has two kinds of connected modes of series and parallel connections.Major and minor condenser, by being connected in series, relies on two on-off type magnetic valves to carry out change working, a large amount of the results shows, and this kind of connected mode, air-out again heat can not obtain continuous control, cannot realize the step-less adjustment of leaving air temp.Major and minor condenser is by being connected in parallel, rely on ratio adjusting valve to control the refrigerant flow that enters secondary condenser, thereby continuous control is heat again, though can realize the step-less adjustment of leaving air temp, a large amount of practical applications discovery, and threeway ratio adjusting valve is difficult to realize closes completely, there is coolant leakage, cause regulating differential larger, precision is not high, and stability is bad.And refrigeration system is with reheater condenser and a plurality of refrigeration valve member again, the system refrigerant pipeline of making is comparatively complicated.
Utility model content
The purpose of this utility model is the deficiency existing for prior art, provides that a kind of pipeline is comparatively simple, leaving air temp degree of regulation is high, minute formula condensation of good stability pattern of fever pair new blower fan groups of low-temperature receiver more indirectly.
For realizing above-mentioned utility model object, the technical solution adopted in the utility model is formula condensation in a kind of minute two new blower fan groups of low-temperature receiver of pattern of fever more indirectly, comprise the new wind machine unit shell with air inlet and air outlet, in this housing, be provided with the cold dehumidification system of prime table, the swollen dehumidification system of middle straight, the cold thermoregulating system of rear class table, water inlet pipe and outlet pipe, the cold dehumidification system of described prime table comprises dehumidifying surface cooler and the first water route triple valve, described straight swollen dehumidification system is single cooling system, comprises evaporimeter, water-cooled condenser and the second water route triple valve, the cold thermoregulating system of described rear class table comprises temperature adjustment surface cooler and the 3rd water route triple valve, described water inlet pipe connects the water inlet end of the first water route triple valve, this the first water route triple valve the first water side connects the water inlet end of dehumidifying surface cooler, the second water side is connected to converge with the water side of dehumidifying surface cooler and is connected with the water inlet end of the second water route triple valve afterwards, the second water side of this second water route triple valve connects return pipe, the first water side connects the water inlet end of water-cooled condenser, this water-cooled condenser is connected with evaporimeter, and the water side of this water-cooled condenser is also connected with the water inlet end of the 3rd water route triple valve, the first water side of the 3rd water route triple valve connects the water inlet end of temperature adjustment surface cooler, the second water side is connected with the water side of temperature adjustment surface cooler after converging and is connected with return pipe.
As preferably, in housing, be also provided with blower fan, and described dehumidifying surface cooler, evaporimeter, temperature adjustment surface cooler and blower fan are arranged in order to air outlet from housing air inlet.
The mode that the utility model adopts two dehumidifying surface coolers of the cold dehumidification system of low-temperature receiver prime table and the temperature adjustment surface cooler of the cold thermoregulating system of rear class table to be connected in series, the air that utilizes prime high temperature low-temperature receiver low temperature and high relative humidity after two low-temperature receiver degree of depth dehumidifying from the heat heating that absorbs new wind, passing ratio three-way control valve control rear class discharge realizes the step-less adjustment of leaving air temp between 16-20 ℃.The mode that this dehumidifying surface cooler and temperature adjustment surface cooler are connected in series is optimized machine set system flow process, and internal structure is more succinct, control is simple and leaving air temp control accuracy is high, and the stability of a system is good.
Beneficial effect: the utility model compared with prior art, has following beneficial effect:
(1) utilize the condensation heat of straight swollen dehumidification system to carry out indirectly heat again to air-out, realize the step-less adjustment of leaving air temp.
(2) straight swollen dehumidification system is single cooling system, has saved reheater condenser and a plurality of refrigeration valve member again, and system is simplified, and the cooling water of water-cooled condenser comes from the low temperature water outlet of the surface cooler that dehumidifies, good cooling results, and refrigerating efficiency is high, has also saved cooling tower;
(3) compare with controlling refrigerant flow, control discharge and come the control accuracy of regulating outlet air temperature to want high, stability will be got well;
(4) by water system flow process hierarchical arrangement, realize the segmented application to low-temperature receiver, improve low-temperature receiver comprehensive energy efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, the present embodiment is implemented take technical solutions of the utility model under prerequisite, should understand these embodiment and only for the utility model is described, be not used in restriction scope of the present utility model.
As shown in Figure 1, formula condensation in a kind of minute is two new blower fan groups of low-temperature receiver of pattern of fever more indirectly, comprise the new wind machine unit shell with air inlet and air outlet, in this housing, be provided with the cold dehumidification system of prime table, the swollen dehumidification system of middle straight, the cold thermoregulating system of rear class table, water inlet pipe 1 and outlet pipe 2, the cold dehumidification system of described prime table comprises dehumidifying surface cooler 3 and the first water route triple valve 4, described straight swollen dehumidification system is single cooling system, comprises evaporimeter 5, water-cooled condenser 6 and the second water route triple valve 7, the cold thermoregulating system of described rear class table comprises temperature adjustment surface cooler 8 and the 3rd water route triple valve 9, described water inlet pipe 1 connects the water inlet end of the first water route triple valve 4, these the first water route triple valve 4 first water sides connect the water inlet end of dehumidifying surface cooler 3, the second water side is connected to converge with the water side of dehumidifying surface cooler 3 and is connected with the water inlet end of the second water route triple valve 7 afterwards, the second water side of this second water route triple valve 7 connects return pipe 2, the first water side connects the water inlet end of water-cooled condenser 6, this water-cooled condenser 6 is connected with evaporimeter 5, and the water side of this water-cooled condenser 6 is also connected with the water inlet end of the 3rd water route triple valve 9, the first water side of the 3rd water route triple valve 9 connects the water inlet end of temperature adjustment surface cooler 8, the second water side is connected with the water side of temperature adjustment surface cooler 8 after converging and is connected with return pipe 2.
As preferably, in housing, be also provided with blower fan 10, and described dehumidifying surface cooler 3, evaporimeter 5, temperature adjustment surface cooler 8 and blower fan 10 are arranged in order to air outlet from housing air inlet.
During the utility model, dehumidifying surface cooler, water-cooled condenser and described temperature adjustment surface cooler adopt minute formula to arrange, are connected in series successively.Cold water is provided by feed pipe, feed pipe is two branch roads by the first water route triple valve, the first branch road connects the water inlet end of dehumidifying surface cooler, the water side of the second branch road and dehumidifying surface cooler is connected with the entrance point of the second water route triple valve after collecting, the second water route triple valve has two ports of export, first port of export is connected with the water inlet end of water-cooled condenser 6, second port of export is connected with return pipe, the water side of water-cooled condenser is connected with the entrance point of the 3rd water route triple valve, the 3rd water route triple valve has two ports of export, first port of export is connected with the water inlet end of temperature adjustment surface cooler, second port of export is connected with return pipe, the water side of described temperature adjustment surface cooler is connected with return pipe,
Air-out water capacity is regulated by the first water route triple valve, when air-out water capacity is greater than setting water capacity, the preferential first water route triple valve that regulates, constantly increase the aperture of first water route triple valve first port of export, when the first openend aperture reaches maximum, if air-supply water capacity is still greater than setting water capacity, now start straight swollen dehumidification system, the aperture of first water route triple valve the first openend reduces to minimum simultaneously, if air-supply water capacity is still greater than setting water capacity, at this moment the aperture of first water route triple valve the first openend constantly increases, until air-supply water capacity equals to set water capacity, when air-supply water capacity is less than setting water capacity, now preferentially reduce the aperture of first water route triple valve first port of export, when the aperture of first water route triple valve first port of export reduces to minimum, and air-supply water capacity is still less than while setting water capacity, now straight swollen dehumidification system is out of service, first water route triple valve the first openend is reached to maximum simultaneously, if the water capacity of now blowing is still less than setting water capacity, keep and reduce the aperture of the first openend, until air-supply water capacity equals to set water capacity.
Leaving air temp is regulated by the second water route triple valve, when leaving air temp is greater than design temperature, constantly reduces the aperture of second water route triple valve first port of export, until reach setting value; When leaving air temp is less than design temperature, constantly increase the aperture of first port of export, until reach setting value.
The control of straight swollen dehumidification system condensing pressure is regulated by the 3rd water route triple valve, when pressure is higher, constantly increases the aperture of the 3rd water route triple valve first port of export, until pressure reaches normal range (NR); When pressure is on the low side, constantly reduce the aperture of the 3rd water route triple valve first port of export, until pressure reaches normal range (NR).
Claims (2)
1. formula condensation in a kind of minute two new blower fan groups of low-temperature receiver of pattern of fever more indirectly, comprise the new wind machine unit shell with air inlet and air outlet, it is characterized in that: in this housing, be provided with the cold dehumidification system of prime table, the swollen dehumidification system of middle straight, the cold thermoregulating system of rear class table, water inlet pipe (1) and outlet pipe (2), the cold dehumidification system of described prime table comprises dehumidifying surface cooler (3) and the first water route triple valve (4), described straight swollen dehumidification system is single cooling system, comprises evaporimeter (5), water-cooled condenser (6) and the second water route triple valve (7), the cold thermoregulating system of described rear class table comprises temperature adjustment surface cooler (8) and the 3rd water route triple valve (9), described water inlet pipe (1) connects the water inlet end of the first water route triple valve (4), these the first water route triple valve (4) first water sides connect the water inlet end of dehumidifying surface cooler (3), the second water side is connected to converge with the water side of dehumidifying surface cooler (3) and is connected with the water inlet end of the second water route triple valve (7) afterwards, the second water side of this second water route triple valve (7) connects return pipe (2), the first water side connects the water inlet end of water-cooled condenser (6), this water-cooled condenser (6) is connected with evaporimeter (5), and the water side of this water-cooled condenser (6) is also connected with the water inlet end of the 3rd water route triple valve (9), the first water side of the 3rd water route triple valve (9) connects the water inlet end of temperature adjustment surface cooler (8), the second water side is connected with the water side of temperature adjustment surface cooler (8) to converge afterwards and is connected with return pipe (2).
2. formula condensation in a kind of minute according to claim 1 two new blower fan groups of low-temperature receiver of pattern of fever more indirectly, it is characterized in that: in housing, be also provided with blower fan (10), and described dehumidifying surface cooler (3), evaporimeter (5), temperature adjustment surface cooler (8) and blower fan (10) are arranged in order to air outlet from housing air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320633127.8U CN203533743U (en) | 2013-10-14 | 2013-10-14 | Indirect stroke-separating condensation reheating type dual cold source fresh air unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320633127.8U CN203533743U (en) | 2013-10-14 | 2013-10-14 | Indirect stroke-separating condensation reheating type dual cold source fresh air unit |
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| Publication Number | Publication Date |
|---|---|
| CN203533743U true CN203533743U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320633127.8U Expired - Lifetime CN203533743U (en) | 2013-10-14 | 2013-10-14 | Indirect stroke-separating condensation reheating type dual cold source fresh air unit |
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| Country | Link |
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| CN (1) | CN203533743U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566690A (en) * | 2013-10-14 | 2015-04-29 | 南京五洲制冷集团有限公司 | Split-range type condensation indirect reheating type double-cold-source fresh air unit |
| CN106796040A (en) * | 2014-09-01 | 2017-05-31 | Smac技术有限责任公司 | Direct-expansion-type air handling system |
-
2013
- 2013-10-14 CN CN201320633127.8U patent/CN203533743U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566690A (en) * | 2013-10-14 | 2015-04-29 | 南京五洲制冷集团有限公司 | Split-range type condensation indirect reheating type double-cold-source fresh air unit |
| CN106796040A (en) * | 2014-09-01 | 2017-05-31 | Smac技术有限责任公司 | Direct-expansion-type air handling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |