CN202792667U - Water chilling unit - Google Patents
Water chilling unit Download PDFInfo
- Publication number
- CN202792667U CN202792667U CN201220473072.4U CN201220473072U CN202792667U CN 202792667 U CN202792667 U CN 202792667U CN 201220473072 U CN201220473072 U CN 201220473072U CN 202792667 U CN202792667 U CN 202792667U
- Authority
- CN
- China
- Prior art keywords
- water chilling
- compressor
- chilling units
- handpiece water
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a water chilling unit, which comprises a flash barrel (1), a condenser (2), an evaporator (4), and at least two compressors (6) which are arranged in parallel, wherein the condenser (2) is connected with a liquid inlet port (11) of the flash barrel; the evaporator (4) is connected with a liquid outlet port (12) of the flash barrel; a first air suction port of each compressor is connected with the evaporator; an air exhaust port is connected with the condenser; and an air outlet port (13) of the flash barrel is connected to a second air suction port of each compressor. According to the water chilling unit, the utilization rate of the refrigerant can be improved, and the refrigerating capacity of the whole water chilling unit is improved; and moreover, due to reasonable arrangement, the number of the compressors is increased, the whole water chilling unit is compact in structure, volume is increased slightly, the water chilling unit can be mounted and used in limited occasions in the mounting space, and high refrigerating capacity can be provided.
Description
Technical field
The utility model relates to field of refrigeration, particularly, relates to the handpiece Water Chilling Units that a kind of flash drum is connected with multiple compressors.
Background technology
Compression-type refrigerating system is comprised of compressor, evaporimeter, condenser and four basic elements of character of choke valve usually, connect successively with pipeline between the above-mentioned parts, form an airtight refrigeration system, cold-producing medium constantly circulates in system, state variation occurs and carry out exchange heat with the external world.
The course of work and the principle of compression-type refrigerating system are as follows: compressor sucks the refrigerant gas of low-temp low-pressure from evaporimeter by air intake duct, enter condenser by blast pipe behind the refrigerant gas of compressed machine boil down to HTHP, the refrigerant gas of HTHP carries out heat exchange with cooling medium (water or air) in condenser, be condensed into highly pressurised liquid, after being the refrigerant liquid of low-pressure low-temperature through the choke valve throttling, again entering in the evaporimeter heat absorption and being evaporated to low-temperature low-pressure refrigerant gas and entering in the compressor, thereby reaching the purpose of circularly cooling.Like this, cold-producing medium is finished a kind of refrigeration cycle through pervaporation, compression, condensation and four basic processes of throttling in system.Just belong to above-mentioned compression-type refrigerating system such as disclosed a kind of vapour compression refrigeration unit among the Chinese patent literature CN 101556090B, it comprises compressor, condenser, evaporimeter and flash drum, upper end inlet and the condenser of described flash drum join, the gas outlet, upper end joins by an input port of check valve and compressor, and the lower end liquid outlet joins by the second choke valve and evaporimeter.
But, above-mentioned vapour compression refrigeration unit is owing to only comprise a compressor that is connected with flash drum, refrigerating capacity is smaller, if obtain larger refrigerating capacity, need many handpiece Water Chilling Units series connection are arranged, meeting is difficult to install and use in limited space so that handpiece Water Chilling Units is bulky but like this.Therefore, existing compression-type refrigerating system can't satisfy limited but the user demand that the refrigeration demand amount is larger of installing space.
The utility model content
Technical problem to be solved in the utility model is that existing compression-type refrigerating system can't satisfy limited but the user demand that the refrigeration demand amount is larger of installing space, thereby a kind of handpiece Water Chilling Units that can install and use and can provide in the limited occasion of installing space larger refrigerating capacity is provided.
To achieve these goals, the utility model provides a kind of handpiece Water Chilling Units, comprises
Flash drum;
Condenser connects the feed liquor port of described flash drum;
Evaporimeter connects the fluid port of described flash drum;
At least two compressors that are arranged in parallel, the first suction port of every described compressor connects described evaporimeter, and exhaust port connects described condenser;
The port of giving vent to anger of described flash drum is connected in the second suction port of every described compressor.
In the above-mentioned handpiece Water Chilling Units, between described compressor and the described flash drum magnetic valve is installed.
In the above-mentioned handpiece Water Chilling Units, also comprise support, described condenser is installed in the bottom of described support, and described evaporimeter is near described condenser and be installed in the top of described support.
In the above-mentioned handpiece Water Chilling Units, be provided with bearing on the described evaporimeter, described compressor is installed on the described bearing.
In the above-mentioned handpiece Water Chilling Units, every described compressor is installed on the described bearing by damping device.
In the above-mentioned handpiece Water Chilling Units, the quantity of described compressor is two.
In the above-mentioned handpiece Water Chilling Units, described evaporimeter is flooded evaporator or dry evaporator or downward film evaporator.
In the above-mentioned handpiece Water Chilling Units, described compressor is centrifugal compressor or magnetic suspension centrifugal compressor.
In the above-mentioned handpiece Water Chilling Units, described condenser connects the described feed liquor port of described flash drum by expansion valve.
In the above-mentioned handpiece Water Chilling Units, described evaporimeter connects the described fluid port of described flash drum by choke valve.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) handpiece Water Chilling Units of the present utility model, it comprises that at least two compressors that are arranged in parallel and every compressor all are connected in flash drum, the flash drum refrigerant gas that port discharges of giving vent to anger is allocated in each compressor by pipeline, so that the gas refrigerant total amount that compressor is discharged increases, thereby improve the utilization rate of cold-producing medium and the refrigerating capacity of whole handpiece Water Chilling Units, and owing to only increased the quantity of compressor by reasonable setting, whole handpiece Water Chilling Units compact conformation, volume does not increase a lot, can install and use also in the limited occasion of installing space larger refrigerating capacity can be provided.
(2) handpiece Water Chilling Units of the present utility model, its condenser is installed in the support bottom, evaporimeter is close, condenser and be installed in the top of support, compressor is arranged on the evaporimeter, thereby so that the handpiece Water Chilling Units topology layout is reasonable, compact, can be at the limited occasion installation and operation of installing space, and larger refrigerating capacity can be provided.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the principle schematic of the utility model handpiece Water Chilling Units;
Fig. 2 is the easy structure schematic diagram of the utility model handpiece Water Chilling Units.
Description of reference numerals
1-flash drum, 2-condenser, 3-expansion valve, 4-evaporimeter, 5-choke valve, 6-compressor, 7-magnetic valve, 8-support, 9-electrical control gear, 11-feed liquor port, 12-fluid port, the 13-port of giving vent to anger.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
As shown in Figure 1, handpiece Water Chilling Units of the present utility model comprises flash drum 1, condenser 2, evaporimeter 4 and at least two compressors that are arranged in parallel 6, wherein:
The top of described flash drum 1 is provided with feed liquor port 11, and the top is provided with the port 13 of giving vent to anger, and the bottom is provided with fluid port 12.Described condenser 2 is connected with described feed liquor port 11 by pipeline, and described evaporimeter 4 is connected with described fluid port 12 by pipeline;
Every described compressor 6 is provided with the first suction port, the second suction port and exhaust port.Described first suction port of described compressor 6 is connected with described evaporimeter 4 by pipeline, and described the second suction port is connected with the described port 13 of giving vent to anger of described flash drum 1 by pipeline, and described exhaust port is connected with described condenser 2 by pipeline.
The refrigerant gas that the described port 13 of giving vent to anger of described flash drum 1 is discharged is allocated in each described compressor 6 by pipeline, so that many gas refrigerant total amount increases that described compressor 6 is discharged, thereby can improve the utilization rate of cold-producing medium and the refrigerating capacity of whole handpiece Water Chilling Units.
In the handpiece Water Chilling Units actual motion, produce liquid hammer or handpiece Water Chilling Units in order to prevent compressor from sucking refrigerant liquid when low load operation, gas is from the compressor flash drum that flows backwards back, between described compressor 6 and the described flash drum 1 magnetic valve 7 is installed, the connecting pipe of the port 13 of namely giving vent to anger at described flash drum 1 top arranges described magnetic valve 7.
Described condenser 2 can be connected in by expansion valve 3 the described feed liquor port 11 of described flash drum 1, and described evaporimeter 4 can be connected in by choke valve 5 the described fluid port 12 of described flash drum 1.
As shown in Figure 2, handpiece Water Chilling Units of the present utility model also comprises support 8.In order to make whole handpiece Water Chilling Units topology layout rationally and compactness, described condenser 2 is installed in the bottom of described support 8, described evaporimeter 4 is near described condensers 2 and be installed in the top of described support 8, described evaporimeter 4 tops are provided with bearing (Fig. 2 does not show), and described compressor 6 can be directly installed on the described bearing.In addition, described flash drum 1 can be arranged on described evaporimeter 4 or the described condenser 2 by bracing or strutting arrangement.
Vibrations when preventing 6 operation of described compressor produce described evaporimeter 4 and damage, and every described compressor 6 is installed on the described bearing by damping device (Fig. 2 does not show).
The miscellaneous part of the utility model handpiece Water Chilling Units, for example the electrical control gear shown in Fig. 29 also can be arranged on described evaporimeter 4 or the condenser 2 by bracing or strutting arrangement.
Handpiece Water Chilling Units is in the refrigerating capacity situation of the utilization rate that guarantees the raising cold-producing medium and whole handpiece Water Chilling Units, and in order to reduce production costs, the quantity of the described compressor 6 of handpiece Water Chilling Units of the present utility model is two.Certainly, when satisfying the refrigeration demand of some ultra-large type occasions, the quantity of described compressor 6 can be greater than two.
Described evaporimeter 4 can be flooded evaporator, perhaps is dry evaporator, perhaps is downward film evaporator, does not do concrete restriction at this.
Described compressor 6 can be centrifugal compressor, also can for the magnetic suspension centrifugal compressor, also be not specifically limited at this.
Obviously, above-described embodiment only is for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (10)
1. a handpiece Water Chilling Units comprises
Flash drum (1);
Condenser (2) connects the feed liquor port (11) of described flash drum (1);
Evaporimeter (4) connects the fluid port (12) of described flash drum (1);
It is characterized in that, also comprise
At least two compressors that are arranged in parallel (6), the first suction port of every described compressor (6) connects described evaporimeter (4), and exhaust port connects described condenser (2);
The port of giving vent to anger (13) of described flash drum (1) is connected in the second suction port of every described compressor (6).
2. handpiece Water Chilling Units according to claim 1 is characterized in that, between described compressor (6) and the described flash drum (1) magnetic valve (7) is installed.
3. handpiece Water Chilling Units according to claim 1 and 2, it is characterized in that, also comprise support (8), described condenser (2) is installed in the bottom of described support (8), and described evaporimeter (4) is near described condenser (2) and be installed in the top of described support (8).
4. handpiece Water Chilling Units according to claim 3 is characterized in that, described evaporimeter is provided with bearing on (4), and described compressor (6) is installed on the described bearing.
5. handpiece Water Chilling Units according to claim 4 is characterized in that, every described compressor (6) is installed on the described bearing by damping device.
6. handpiece Water Chilling Units according to claim 5 is characterized in that, the quantity of described compressor (6) is two.
7. handpiece Water Chilling Units according to claim 6 is characterized in that, described evaporimeter (4) is flooded evaporator or dry evaporator or downward film evaporator.
8. handpiece Water Chilling Units according to claim 7 is characterized in that, described compressor (6) is centrifugal compressor or magnetic suspension centrifugal compressor.
9. handpiece Water Chilling Units according to claim 8 is characterized in that, described condenser (2) connects the described feed liquor port (11) of described flash drum (1) by expansion valve (3).
10. handpiece Water Chilling Units according to claim 9 is characterized in that, described evaporimeter (4) connects the described fluid port (12) of described flash drum (1) by choke valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220473072.4U CN202792667U (en) | 2012-09-17 | 2012-09-17 | Water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220473072.4U CN202792667U (en) | 2012-09-17 | 2012-09-17 | Water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202792667U true CN202792667U (en) | 2013-03-13 |
Family
ID=47819919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220473072.4U Expired - Lifetime CN202792667U (en) | 2012-09-17 | 2012-09-17 | Water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202792667U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705308A (en) * | 2017-02-03 | 2017-05-24 | 江苏乐科节能科技股份有限公司 | Mechanical flash type air conditioning refrigeration system and working method thereof |
| CN108507210A (en) * | 2017-09-25 | 2018-09-07 | 约克（无锡）空调冷冻设备有限公司 | Double-compressor cold water heat pump unit |
| CN111503998A (en) * | 2020-04-27 | 2020-08-07 | 钱锡华 | Cold and hot water integrated preparation device based on compressor principle |
-
2012
- 2012-09-17 CN CN201220473072.4U patent/CN202792667U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705308A (en) * | 2017-02-03 | 2017-05-24 | 江苏乐科节能科技股份有限公司 | Mechanical flash type air conditioning refrigeration system and working method thereof |
| CN106705308B (en) * | 2017-02-03 | 2022-05-03 | 江苏乐科节能科技股份有限公司 | Mechanical flash evaporation type air conditioner refrigeration system and working method thereof |
| CN108507210A (en) * | 2017-09-25 | 2018-09-07 | 约克（无锡）空调冷冻设备有限公司 | Double-compressor cold water heat pump unit |
| CN111503998A (en) * | 2020-04-27 | 2020-08-07 | 钱锡华 | Cold and hot water integrated preparation device based on compressor principle |
| CN111503998B (en) * | 2020-04-27 | 2021-02-12 | 高燕妮 | Cold and hot water integrated preparation device based on compressor principle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202792668U (en) | Water chilling unit | |
| CN203857539U (en) | Air conditioning system with compressor waste heat recovery function | |
| CN102927008A (en) | Compressor, and air conditioning system having it | |
| CN101556090B (en) | Vapor compression refrigeration unit | |
| CN202792667U (en) | Water chilling unit | |
| CN203605512U (en) | Air-cooling type compression condensing unit with supercooled gas-liquid separator | |
| CN101737331B (en) | Integral structure of liquid reservoir and oil separator of compressor | |
| CN204063660U (en) | Three stage compression autocascade cycle heat pump | |
| CN201196503Y (en) | Vapor compression refrigeration unit | |
| CN203203288U (en) | Air conditioner | |
| CN204630142U (en) | The cooling and warming circulatory system | |
| CN208846785U (en) | A kind of multimachine list twin-stage is mixed to beat net for air-source heat pump units | |
| CN202928226U (en) | Refrigerant circulating system | |
| CN103344059B (en) | Secondary throttling middle complete cooling variable flow two-stage compression refrigerating system | |
| CN202928176U (en) | Refrigerant heat recovery circulating system | |
| CN202001303U (en) | Compressor and air conditioning system provided with same | |
| CN201311128Y (en) | Water source heat pump unit | |
| CN210035929U (en) | Outdoor low-temperature vortex parallel air-cooled condensation compressor unit with air supply and enthalpy increase functions | |
| CN203364497U (en) | Outdoor low-temperature vortex parallel connection compression condensing unit with functions of steam spraying and enthalpy increasing | |
| CN211400347U (en) | Outdoor low-temperature vortex parallel air-cooled condensation compressor unit with liquid spray | |
| CN102445016A (en) | Method for preparing large-temperature difference chilled water in single machine two-stage compression manner and special water chilling unit | |
| CN201706758U (en) | Outdoor variable frequency condenser unit | |
| CN202350370U (en) | Integrated module condenser in hydraulic-filling compressor unit | |
| CN111692636A (en) | Energy-saving machine room air conditioning system | |
| CN204705068U (en) | A kind of fully-closed vortex twin-stage low temperature unit |
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: 20130313 |