CN205505470U - Multimachine head screw rod cooling water set of high -efficient operation under full load rate - Google Patents
Multimachine head screw rod cooling water set of high -efficient operation under full load rate Download PDFInfo
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- CN205505470U CN205505470U CN201620252648.2U CN201620252648U CN205505470U CN 205505470 U CN205505470 U CN 205505470U CN 201620252648 U CN201620252648 U CN 201620252648U CN 205505470 U CN205505470 U CN 205505470U
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Abstract
The utility model relates to a multimachine head screw rod cooling water set that can high -efficiently move under the full load rate, including compressor unit, condenser, throttling arrangement, evaporimeter, its special under in: compressor unit comprises two or two unequal compressors of above refrigerating output, every compressor all is equipped with independent refrigerant loop, concatenate into the condenser in compressor refrigerant export orientation's refrigerant loop, set up throttling arrangement in the refrigerant loop in condenser low reaches, the refrigerant loop in throttling arrangement low reaches concatenates into the evaporimeter, and the refrigerant loop in evaporimeter low reaches inserts compressor refrigerant entry, condenser and evaporimeter concatenate in the cooling water loop, constitute the cold and hot switching fabric of cooling water set, compressor unit use 70% and/or the above compressor rate of utilization as the use model of rate of utilization control compressor with start quantity, the working energy who constitutes the compressor is imitated and is compared the control structure. The utility model discloses the beneficial effect who improves cooling water set energy efficiency ratio, energy saving has.
Description
Technical field
This utility model relates to a kind of multi-machine heads screw water cooling machine set of Effec-tive Function under full load rate.Belong to HVAC technical field.
Background technology
In air conditioning system for building, the energy consumption of air conditioner refrigerating main frame can account for about the 50% of air conditioning energy consumption, and the energy-saving run of refrigeration host computer concerns the fractional energy savings of whole air conditioning system.
Due to air conditioning system in use, its utilization rate is relatively big with environmental change, and such as indoor and outdoor temperature, load space size etc., therefore, the air conditioner refrigerating main frame cold that each period or season are supplied in whole day, or even the whole year is also continually changing.
nullIn prior art，The energy-saving application of air conditioner refrigerating main frame is to solve the important directions that air conditioning energy consumption is big，The application of air-conditioning is more and more extensive，And during air-conditioning uses，Due to ambient air temperature and the change in air conditioner load space，The semen donors making air-conditioning is easily generated large change，Handpiece Water Chilling Units supplies core as cold，The Effec-tive Function of whole air-conditioner host is played and important effect by its performance and energy consumption，Fig. 3 is COP (Energy Efficiency Ratio) performance curve of certain producer's refrigeration host computer，By given coolant water temperature，Repeatedly added up to average by multiple stage refrigeration host computer and obtain，By Tu Ke get，When refrigeration host computer rate of load condensate is 80%, Energy Efficiency Ratio is the highest，During more than 70% more steady，And be very fast downward trend during less than 70%，Therefore，For ensureing that refrigeration host computer all keeps Effec-tive Function under the whole year or whole day different load rate，Need to ensure that separate unit refrigeration host computer rate of load condensate is tried one's best close to more than 70%，I.e. reach to improve the purpose of the Energy Efficiency Ratio of handpiece Water Chilling Units by improving compressor utilization rate.
Traditional multi-machine heads screw water cooling machine set, owing to its each refrigeration refrigerant loop of head and cooling water ring line structure are unreasonable, and the refrigerating capacity of the head that respectively freezes is set to equal, therefore have following defects that (1) is adjusting air conditioning system cold for seasonable, adjusting range is little so that the utilization rate of refrigeration head is relatively low.(2) air conditioner cold water unit eer is low, energy consumption is big.
Therefore, for ensureing refrigeration host computer equal energy-saving run under annual each several part rate of load condensate, it is desirable to provide a kind of full load rate efficient multi-machine heads screw water cooling machine set.
Utility model content
The purpose of this utility model, it is equal for solving existing air conditioner cold water unit each compressor head refrigerating capacity, there is compressor and be the most usually in the problems such as underload rate, Energy Efficiency Ratio is relatively low, energy consumption is big, propose a kind of multi-machine heads screw water cooling machine set of Effec-tive Function under full load rate.This multi-machine heads screw water cooling machine set ensures that under different air conditioner loads each compressor head is often under high utilization rate state, has the advantages that to improve handpiece Water Chilling Units Energy Efficiency Ratio, save the energy.
The purpose of this utility model can be reached by following technical scheme:
Under full load rate can the multi-machine heads screw water cooling machine set of Effec-tive Function, including Compressor Group, condenser, throttling arrangement, vaporizer, its construction features is: the compressor that described Compressor Group is not waited by two or more refrigerating capacitys is constituted；Each compressor is equipped with independent refrigerant loop；The refrigerant loop of compressor refrigerant Way out concatenates into condenser, throttling arrangement is set in the refrigerant loop of condenser downstream, the refrigerant loop in throttling arrangement downstream concatenates into vaporizer, and the refrigerant loop in vaporizer downstream accesses compressor refrigerant entrance；Described condenser and vaporizer are serially connected in cooling water ring road, and chilled water is series flow in condenser and vaporizer, constitute the cold and hot switching fabric of handpiece Water Chilling Units；Described Compressor Group is to improve compressor utilization rate for work efficiency distribution principle, with 70% and/or above compressor utilization rate for set utilization rate, control the use model of compressor and start quantity, being formed in the multi-machine heads screw water cooling machine set structure of Effec-tive Function under full load rate.
Further, the number of compressors of described Compressor Group is two, and big compressor refrigerating capacity accounts for the 66.7% of unit general refrigeration ability, and little compressor refrigerating capacity accounts for the 33.3% of unit general refrigeration ability.
Further, the number of compressors of described Compressor Group is three, and big compressor refrigerating capacity accounts for the 50% of unit general refrigeration ability, middle compressor refrigerating capacity account for unit general refrigeration ability for 30%, little compressor refrigerating capacity accounts for the 20% of unit general refrigeration ability.
Further, when there is the single compressor that disclosure satisfy that refrigeration requirement in described Compressor Group, it is possible to the smallest compressor meeting refrigeration requirement provides refrigeration.
Further, the maximum cooling capacity compressor of described Compressor Group cannot meet cold and supply seasonable, and starting two or more little refrigerating capacity compressor provides refrigeration.
Further, in described Compressor Group, each compressor can work independently, and at least there is the compressor of two kinds of different refrigerating capacitys in Compressor Group.
This utility model has a beneficial effect highlighted below:
1, this utility model constitutes compressor bank due to the compressor head using two or more than two refrigerating capacitys not etc., the refrigerant outlet end of each compressor head passes sequentially through condenser, throttling arrangement and vaporizer and connects the refrigerant inlet end of compressor head, forms the most independent refrigerant loop；Connecting and composing chilled water loop by compressor head with being connected condenser, throttling arrangement and vaporizer, by described tandem chilled water loop, chilled water is series flow in condenser and vaporizer, constitutes the cold and hot switching fabric of multi-machine heads handpiece Water Chilling Units；To respectively be set as improving compressor head utilization rate for work efficiency distribution principle, control compressor head service efficiency be 70% and/or more than, it is formed in the multi-machine heads screw water cooling machine set structure of Effec-tive Function under full load rate, therefore, it is possible to solve existing air conditioner cold water unit be the most usually in the problems such as underload rate, Energy Efficiency Ratio is relatively low, energy consumption is big, there is the beneficial effect improving handpiece Water Chilling Units Energy Efficiency Ratio, saving the energy.
2, this utility model is for multi-machine heads screw water cooling machine set, in the air-conditioning cold load range of corresponding handpiece Water Chilling Units cold, according to compressor cooling performance and air-conditioning rate of load condensate whole year characteristic, the method using the collocation of size compressor, the refrigeration compressor of different cold is set, and under various unit loads, refrigeration is provided by the smallest compressor that can meet cold requirement, when maximum cooling capacity compressor cannot meet cold for seasonable, cold is provided by two or more little cold compressors, or the mode that size compressor is used in mixed way provides cold, ensure that the utilization rate of each compressor is more than 70%, the refrigeration compressor being effectively ensured during each uses has higher utilization rate, improve unit service efficiency in whole confession cold cycle, there is higher Energy Efficiency Ratio, save operation energy consumption and the operating cost of air conditioner cold water unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model specific embodiment 1.
Fig. 2 is the structural representation of this utility model specific embodiment 2.
Fig. 3 is that the refrigeration host computer of prior art gives the COP performance chart carrying out under coolant water temperature testing.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Specific embodiment 1:
With reference to Fig. 1, the present embodiment includes Compressor Group 1, condenser 2, throttling arrangement 3, vaporizer 4.The compressor 5 that described Compressor Group 1 is not waited by two or more refrigerating capacitys is constituted；Each compressor 5 is equipped with independent refrigerant loop 6；The refrigerant loop 6 in compressor 5 refrigerant outlet direction concatenates into condenser 2, in the refrigerant loop 6 in condenser 2 downstream, throttling arrangement 3 is set, the refrigerant loop 6 in throttling arrangement 3 downstream concatenates into vaporizer 4, and the refrigerant loop 6 in vaporizer 4 downstream accesses compressor 5 refrigerant inlet；Described condenser 2 and vaporizer 4 are serially connected in cooling water ring road 7, and chilled water is series flow in condenser 2 and vaporizer 4, constitute the cold and hot switching fabric of handpiece Water Chilling Units；Described Compressor Group 1, with raising compressor 5 utilization rate for work efficiency distribution principle, is that optimal utilization rate controls the use model of compressor 5 and starts quantity with 70% and/or above compressor 5 utilization rate, the work Energy Efficiency Ratio control structure of composition compressor 5.
In the present embodiment:
Compressor 5 quantity of Compressor Group 1 is two, and big compressor 5 refrigerating capacity accounts for the 66.7% of unit general refrigeration ability, and little compressor 5 refrigerating capacity accounts for the 33.3% of unit general refrigeration ability；When Compressor Group 1 uses, according to efficiency distribution principle, when Compressor Group 1 exists the single compressor that disclosure satisfy that refrigeration requirement, the smallest compressor 5 that disclosure satisfy that refrigeration requirement provide refrigeration.Machine set compressor 5 refrigerant loop 6 is provided with two, described refrigerant loop 6 circulates in process of refrigerastion for cold-producing medium, every loop is concatenated into condenser 2 by corresponding compressor 5 refrigerant outlet direction extension, in condenser 2 downstream, loop arranges throttling arrangement 3, throttling arrangement 3 downstream concatenation vaporizer 4, the most each loop takes back compressor 5 refrigerant inlet.
Compressor Group 1 determines the refrigerating capacity of needs according to ambient temperature and design temperature, and the compressor 5 starting corresponding cold provides refrigeration, after compressor 5 starts, the refrigerant loop 6 inner refrigerant flow circuit of its correspondence, cold-producing medium is heat-shift between condenser 2 and vaporizer 4, realize indoor refrigeration, outdoor heat exchange, not actuated compressor 5, flow without cold-producing medium in the refrigerant loop 6 of its correspondence, throttling arrangement 3 scalable cold-producing medium flow rate in each loop, thus adjust refrigerating capacity, in process of refrigerastion, in the cooling water ring road 7 of condenser 2 and vaporizer 4 concatenation, chilled water series flow；The compressor 5 that 2 refrigerating capacitys that have employed the compressor 5 of the present embodiment do not wait provides refrigeration, contrasts and traditional waits cold compressor 5 in the range of full load rate, has higher utilization rate.
During unit refrigeration, indoor temperature changes greatly along with the increase of unit working time, indoor institute chilling requirement is gradually reduced also with the passage of time, therefore the refrigerating capacity of unit should adjust to reduce energy consumption automatically, two compressor 5 cold ratios of traditional double-compressor 5 screw chiller unit are 1:1, and mean allocation unit load rate.Two compressor 5 cold ratios of double-compressor 5 screw water cooling machine set of the present embodiment are 2: 1, when distributing the rate of load condensate of unit, adjust space bigger, double-compressor 5 screw water cooling machine set of the different refrigerating capacitys of the present embodiment and double-compressor 5 screw water cooling machine set of prior art each compressor 5 utilization rate under different unit load rates has been detailed comparisons, referring in particular to table 1 below:
Table 1
As shown in Table 1, when unit load rate is at 5%-33.3% (by being not turned on unit consideration during ＜ 5%), little compressor 5 cold is provided；When unit load rate is at 33.3%-66.7%, big compressor 5 provide cold；When institute's chilling requirement falls at 66.7%-100%, big compressor 5 and little compressor 5 provide cold simultaneously.And the method for operation of double-compressor 5 screw water cooling machine set of prior art is, when unit load rate is below 50% when, start a compressor 5, start two compressors 5 when unit load rate is more than 50%.In the unit load rate interval of 5%-100%, there is larger difference in double-compressor 5 screw water cooling machine set and each compressor 5 utilization rate of double-compressor 5 screw water cooling machine set of prior art in the present embodiment, compares whole compressors 5 utilization rate of two kinds of units in detail below:
Can be obtained by table 1, in unit 5%-33.33% and unit 50-66.67% rate of load condensate interval (rate of load condensate siding-to-siding block length is (33.33%-5%)+(66.67%-50%)=45%), each compressor 5 utilization rate of double-compressor 5 screw water cooling machine set of the present embodiment is obviously higher than conventional double-compressor 5 screw water cooling machine set each compressor 5 utilization rate；More than 66.67% rate of load condensate, two kinds of unit each compressor 5 utilization rates are equal；Under unit 33.33-50% rate of load condensate (rate of load condensate siding-to-siding block length is 50%-33.33%=16.67%), the most conventional double-compressor 5 screw water cooling machine set each compressor 5 utilization rate of each compressor 5 utilization rate of double-compressor 5 screw water cooling machine set of the present embodiment.Can be obtained by Data Comparison, in the range of unit cold, double-compressor 5 screw water cooling machine set each compressor 5 utilization rate of the present embodiment is intended to generally far above cold double-compressor 5 screw water cooling machine set each compressor 5 utilization rates such as routines.
Specific embodiment 2:
With reference to Fig. 2, the difference of the present embodiment and above-described embodiment is, compressor 5 quantity of Compressor Group 1 is three, and big compressor 5 refrigerating capacity accounts for the 50% of unit general refrigeration ability, middle compressor 5 refrigerating capacity account for unit general refrigeration ability for 30%, little compressor 5 refrigerating capacity accounts for the 20% of unit general refrigeration ability；Machine set compressor 5 refrigerant loop 6 is provided with three, and three loops concatenate respectively into condenser 2, and arranges throttling arrangement 3 at condenser 2 downstream loop, and throttling arrangement 3 downstream concatenation vaporizer 4, the most each loop takes back compressor 5 refrigerant inlet.
Compressor Group 1 determines the refrigerating capacity of needs according to ambient temperature and design temperature, and the compressor 5 starting corresponding cold provides refrigeration, after compressor 5 starts, the refrigerant loop 6 inner refrigerant flow circuit of its correspondence, cold-producing medium is heat-shift between condenser 2 and vaporizer 4, realize indoor refrigeration, outdoor heat exchange, not actuated compressor 5, flow without cold-producing medium in the refrigerant loop 6 of its correspondence, throttling arrangement 3 scalable cold-producing medium flow rate in each loop, thus adjust refrigerating capacity, in process of refrigerastion, in the cooling water ring road 7 of condenser 2 and vaporizer 4 concatenation, chilled water series flow；The compressor 5 that three refrigerating capacitys that have employed the compressor 5 of the present embodiment do not wait provides refrigeration, and therefore compressor 5 operational version is more, it is ensured that the regulation interval of the high utilization rate of compressor 5 is bigger.
The compressor 5 cold ratio of three traditional compressor 5 screw water cooling machine set is 1:1:1, and each compressor 5 refrigerating capacity accounts for the 33.3% of unit load rate.Three compressor 5 cold ratios of three compressor 5 screw water cooling machine set of the present embodiment are 5:3:2, large, medium and small three compressors 5 account for unit load rate and are respectively 50%, 30% and 20%, under each rate of load condensate of unit, it is more that the optional startup type of compressor 5 or compressor 5 enable scheme, adjust space bigger, three compressor 5 screw water cooling machine set of the different refrigerating capacitys of the present embodiment and three compressor 5 screw water cooling machine set of prior art each compressor 5 utilization rate under different unit load rates has been detailed comparisons, referring in particular to table 2:
Table 2
As shown in Table 2, when unit load rate is at 5%-20% (by being not turned on unit consideration during ＜ 5%), little compressor 5 cold is provided；Cold is provided by middle compressor 5 when unit load rate is at 20%-30%；When unit load rate is at 30%-50%, big compressor 5 provide cold；When unit load rate is at 50%-70%, big compressor 5 and little compressor 5 provide cold simultaneously；When unit load rate is when at 70%-100%, by big, neutralize little compressor 5 cold be provided simultaneously.In the unit load rate interval of 5%-100%, there is larger difference in three compressor 5 screw water cooling machine set and each compressor 5 utilization rate of three compressor 5 screw water cooling machine set of prior art in the present embodiment, compares whole compressors 5 utilization rate of two kinds of units in detail below:
Can be obtained by table 2, unit is in 5%-30%, 33.33-50% and 66.67-70% rate of load condensate interval (rate of load condensate siding-to-siding block length is (30%-5%)+(50%-33.33%)+(70%-66.67%)=45%), and each compressor 5 operating load rate of three compressor 5 screw water cooling machine set of the present embodiment is obviously higher than three compressor 5 screw water cooling machine set each compressor 5 operating load rates of existing technology；More than 70% rate of load condensate, two kinds of unit each compressor 5 operating load rates are equal；In unit 30-33.33% rate of load condensate and unit 50-66.67% rate of load condensate interval (rate of load condensate siding-to-siding block length is (33.33%-30%)+(66.67%-50%)=20%), each compressor 5 operating load rate of three compressor 5 screw water cooling machine set of the present embodiment is less than the three compressor 5 each compressors of screw water cooling machine set 5 of prior art；But in 50-66.67% rate of load condensate interval, both each compressor 5 operating load rate differences are the least, and 30-33.33% rate of load condensate interval is the least.Therefore can be in the range of unit cold, three compressor 5 screw water cooling machine set each compressor 5 operating load rates of the present embodiment are intended to be much higher than three compressor 5 screw water cooling machine set each compressor 5 operating load rates of prior art generally.
Other embodiments:
This utility model constitutes Compressor Group 1 except the compressor 5 of the available multiple refrigerating capacity such as not, it would however also be possible to employ the compressor 5 of only two kinds of different refrigerating capacitys constitutes multi-compressor unit 1, and in unit, each compressor 5 can work independently.The multi-compressor unit 1 that the present embodiment is made up of two kinds of refrigerating capacity compressors 5, it is that the smallest compressor 5 that disclosure satisfy that refrigeration requirement provides refrigeration equally when low refrigeration requirement, when in compressor 5, the compressor 5 of maximum cooling capacity cannot meet cold for seasonable, the preferential compressor 5 offer refrigeration using two or the little refrigerating capacity of multiple stage, this kind of scheme can improve the utilization rate of each compressor 5, improves unit eer.
Being provided with two kinds of compressor 5 in multi-machine heads screw water cooling machine set, be in equal proportions with its cold of compressor 5 of type, the cold ratio of two kinds of compressors 5 is determined by unit refrigeration duty, compressor 5 performance and quantity；During unit work, the rule operation of refrigeration is provided by the smallest compressor 5 that can meet refrigeration requirement, when refrigeration requirement is bigger, multiple little compressor 5 coolings of preferential use, if being unable to reach the utilization rate of each compressor more than 570% average during multiple little compressor 5 cooling, side is used large and small compressor 5 instead and is mixed cooling, it is ensured that compressor 5 utilization rate during each uses under each unit load rate keeps higher level.
The multi-machine heads screw water cooling machine set of Effec-tive Function further detailed description can have been made above in conjunction with under drawings and Examples full load a kind of to this utility model rate; but this utility model is not limited to above-described embodiment; the various replacements made under conceiving without departing from this utility model or deformation, belong to the scope that this utility model is claimed.
Claims (8)
1. the multi-machine heads screw water cooling machine set of Effec-tive Function under full load rate, including compressor bank (1), condenser
(2), throttling arrangement (3) and vaporizer (4), it is characterised in that: described compressor bank (1) is by two or two
The above refrigerating capacity of platform not wait compressor head (5) constitute, each compressor head (5) by connect condenser (2),
Throttling arrangement (3) and vaporizer (4) constitute independent refrigerant loop (6)；The system of the most each compressor head (5)
The cryogen port of export passes sequentially through condenser (2), throttling arrangement (3) and vaporizer (4) and connects compressor head (5)
Refrigerant inlet end, form the most independent refrigerant loop (6)；It is corresponding with described refrigerant loop (6),
Freezing is connected and composed with being connected condenser (2), throttling arrangement (3) and vaporizer (4) by compressor head (5)
Water loops (7), is i.e. provided with cooling water intake and cooling water outlet in condenser (2), in vaporizer (4)
In be provided with chilled water water inlet and chilled water outlet, described cooling water intake concatenation chilled water outlet, cooling
Water outlet concatenation chilled water water inlet, forms tandem chilled water loop (7)；By described tandem chilled water
Loop (7), chilled water is series flow in condenser (2) and vaporizer (4), constitutes multi-machine heads handpiece Water Chilling Units
Cold and hot switching fabric；With 70% and/or above compressor utilization rate for setting utilization rate, control the making of compressor
By model and startup quantity, it is formed in the multi-machine heads screw water cooling machine set structure of Effec-tive Function under full load rate.
2. the multi-machine heads screw water cooling machine set of Effec-tive Function, its feature under full load rate as claimed in claim 1
It is: compressor head (5) quantity of described Compressor Group (1) is two, the system of big compressor head (5-1)
The cryogen port of export passes sequentially through condenser (2), big throttling arrangement (3-1) and vaporizer (4) and connects big compressor
The refrigerant inlet end of head (5-1), forms big refrigerant loop (6-1), the cold-producing medium of little compressor head (5-2)
The port of export passes sequentially through condenser (2), little throttling arrangement (3-2) and vaporizer (4) and connects little compressor head (5-2)
Refrigerant inlet end, form little refrigerant loop (6-1).
3. the multi-machine heads screw water cooling machine set of Effec-tive Function, its feature under full load rate as claimed in claim 2
It is: the refrigerating capacity of big compressor head (5-1) accounts for the 66.7% of unit general refrigeration ability, and little compressor head (5-2) freezes
Amount accounts for the 33.3% of unit general refrigeration ability.
4. the multi-machine heads screw water cooling machine set of Effec-tive Function, its feature under full load rate as claimed in claim 1
It is: compressor head (5) quantity of described Compressor Group (1) is three, the system of big compressor head (5-1)
The cryogen port of export passes sequentially through condenser (2), big throttling arrangement (3-1) and vaporizer (4) and connects big compressor
The refrigerant inlet end of head (5-1), forms big refrigerant loop (6-1), the cold-producing medium of middle compressor head (5-3)
The port of export passes sequentially through compressor head (5-3) during condenser (2), middle throttling arrangement (3-3) and vaporizer (4) connect
Refrigerant inlet end, refrigerant loop (6-3) in formation, the refrigerant outlet end of little compressor head (5-2) depends on
The secondary system being connected little compressor head (5-2) by condenser (2), little throttling arrangement (3-2) and vaporizer (4)
Cryogen entrance point, forms little refrigerant loop (6-1).
5. the multi-machine heads screw water cooling machine set of Effec-tive Function, its feature under full load rate as claimed in claim 4
It is: big compressor head (5) refrigerating capacity accounts for the 50% of unit general refrigeration ability, and middle compressor head (5-3) refrigerating capacity accounts for
Unit general refrigeration ability for 30%, little compressor head (5) refrigerating capacity accounts for the 20% of unit general refrigeration ability.
6. the multi-machine heads screw water cooling machine set of Effec-tive Function under full load rate as described in claim 2 or 4, its
It is characterised by: in condenser (2), be provided with cooling water intake (2-1) and cooling water outlet (2-2), is steaming
Send out in device (4) and be provided with chilled water water inlet (4-1) and chilled water outlet (4-2), described cooling water intake (2-1)
Concatenation chilled water outlet (4-2), cooling water outlet (2-2) concatenation chilled water water inlet (4-1), form string
Connection formula chilled water loop (7)；By described tandem chilled water loop (7), chilled water is at condenser (2) and steams
Send out series flow in device (4), constitute the cold and hot switching fabric of multi-machine heads handpiece Water Chilling Units.
7. the multi-machine heads screw water cooling machine set of Effec-tive Function, its feature under full load rate as claimed in claim 1
It is: when described Compressor Group (1) exists single compressor head (5) that disclosure satisfy that refrigeration requirement, energy
The minimal compression head (5) enough meeting refrigeration requirement provides refrigeration.
8. the multi-machine heads screw water cooling machine set of Effec-tive Function, its feature under full load rate as claimed in claim 1
It is: in described Compressor Group (1), each compressor head (5) can work independently, when maximum cooling capacity compresses
Head (5) cannot meet the cold of system at once, starting two or more little refrigerating capacity compressor head (5) and carry
For refrigeration.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440435A (en) * | 2016-10-27 | 2017-02-22 | 南京天加空调设备有限公司 | Double-machine-head water chilling unit used for rail transit industry |
| CN109269196A (en) * | 2018-09-10 | 2019-01-25 | 河南展泓图信息科技有限公司 | A kind of energy saver for freezer workshop |
| CN110375458A (en) * | 2019-07-19 | 2019-10-25 | 吉林省威斯特固废处理有限公司 | The recycling system and cracking reduction treatment equipment of high-temperature flue gas |
| CN110864416A (en) * | 2019-11-14 | 2020-03-06 | 南京亚派软件技术有限公司 | Start-stop optimization control method for central air-conditioning system |
| CN113587467A (en) * | 2021-07-29 | 2021-11-02 | 江苏区宇能源有限公司 | Multi-machine-head single-return-stroke segmented compression type water chilling unit |
| CN114923263A (en) * | 2022-02-17 | 2022-08-19 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
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2016
- 2016-03-30 CN CN201620252648.2U patent/CN205505470U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440435A (en) * | 2016-10-27 | 2017-02-22 | 南京天加空调设备有限公司 | Double-machine-head water chilling unit used for rail transit industry |
| CN109269196A (en) * | 2018-09-10 | 2019-01-25 | 河南展泓图信息科技有限公司 | A kind of energy saver for freezer workshop |
| CN110375458A (en) * | 2019-07-19 | 2019-10-25 | 吉林省威斯特固废处理有限公司 | The recycling system and cracking reduction treatment equipment of high-temperature flue gas |
| CN110864416A (en) * | 2019-11-14 | 2020-03-06 | 南京亚派软件技术有限公司 | Start-stop optimization control method for central air-conditioning system |
| CN113587467A (en) * | 2021-07-29 | 2021-11-02 | 江苏区宇能源有限公司 | Multi-machine-head single-return-stroke segmented compression type water chilling unit |
| CN114923263A (en) * | 2022-02-17 | 2022-08-19 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN114923263B (en) * | 2022-02-17 | 2023-10-20 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
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