CN205747562U - A kind of refrigeration mechanism being applied to cooling driers - Google Patents
A kind of refrigeration mechanism being applied to cooling driers Download PDFInfo
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- CN205747562U CN205747562U CN201620631002.5U CN201620631002U CN205747562U CN 205747562 U CN205747562 U CN 205747562U CN 201620631002 U CN201620631002 U CN 201620631002U CN 205747562 U CN205747562 U CN 205747562U
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- refrigeration mechanism
- vaporizer
- cooling driers
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Abstract
This utility model relates to a kind of refrigeration mechanism being applied to cooling driers, and it includes being sequentially communicated and connects and formed the compressor of closed circuit, condenser, expansion valve, vaporizer and gas-liquid separator.Connected by a bypass valve connection between delivery outlet and the input port of described vaporizer of described compressor.Thus this utility model is applied to the installation site of refrigeration mechanism internal bypass valve of cooling driers by change; effectively stop the phenomenon generation that the liquid refrigerant in vaporizer is back in compressor; extend the service life of compressor and advantageously ensure that the refrigeration of compressor; and reduce maintenance cost; decrease the addition of cold-producing medium simultaneously, be conducive to protecting environment.
Description
Technical field
This utility model belongs to air compression station equipment technical field, particularly to a kind of refrigeration mechanism being applied to cooling driers.
Background technology
Cooling driers is a kind of freezing type drier, and it utilizes coolant and compressed air to carry out heat exchange, compressed air temperature
Degree drops to the dew point temperature of 2～10 DEG C of scopes.
Referring to Fig. 1, the refrigeration mechanism of existing cooling driers generally comprises and is sequentially communicated compressor X1, the condenser connected
X2, expansion valve X3, vaporizer X4 and gas-liquid separator X5.And described compressor X1 input port is by return-air filter X6 and an institute
Stating the connection of gas-liquid separator X5 delivery outlet to connect, its delivery outlet is also by a bypass valve X7 and described gas-liquid separator X5 input port
Connection connects.In cooling driers work process, the refrigerant compression that it is internal is become the gaseous refrigerant of High Temperature High Pressure by compressor X1
Agent is expelled to condenser X2；The gaseous refrigerant of High Temperature High Pressure is lowered the temperature by condenser X2 so that it is be converted into high-temperature pressure
Liquid refrigerant, and output this to expansion valve X3 by an exsiccator x8；After expansion valve X3 processes, described high-temperature pressure
Liquid refrigerant be converted into the atomized refrigerant of low-temp low-pressure and enter into vaporizer X4；After absorbing heat by vaporizer X4
It is converted into the gaseous refrigerant of low-temp low-pressure, and returns to compressor X1 through gas-liquid separator X5.But, existing cooling driers exists
Following defect:
Owing to the compressor X1 delivery outlet in existing cooling driers is by bypass valve X7 and gas-liquid separator X5 input port phase
Connect, that is, the effect that this bypass valve X7 is in existing cooling driers simply balance coolant low pressure, do not play the heat of itself
Power, the liquid in vaporizer X4 is easily back in compressor X1, still there is liquid refrigerant in causing compressor X1, or because of
When there is liquid refrigerant in making compressor X1 for other reason, the liquid refrigerant in compressor X1 can produce in running
Raw liquid hammer, causes the rotor of compressor X1 or bearing to be broken, thus rotor locking, compressor X1 burn-down of electric motor, and increase
The big burden of maintenance cost.
Utility model content
The purpose of this utility model is the shortcoming and defect in order to solve above-mentioned prior art, it is provided that one is applied to cold dry
The refrigeration mechanism of machine, by changing the installation site of refrigeration mechanism internal bypass valve, has effectively stopped the liquid refrigeration in vaporizer
The phenomenon that agent is back in compressor occurs, the service life extending compressor and the refrigeration effect advantageously ensuring that compressor
Really, and reduce maintenance cost, decrease the addition of cold-producing medium simultaneously, be conducive to protecting environment.
For solving above-mentioned technical problem, this utility model provides a kind of refrigeration mechanism being applied to cooling driers, and it includes
It is sequentially communicated and connects and formed the compressor of closed circuit, condenser, expansion valve, vaporizer and gas-liquid separator.Described compression
Connected by a bypass valve connection between delivery outlet and the input port of described vaporizer of machine.
By the installation site of bypass valve is installed between compressor delivery outlet and vaporizer input port instead, it is possible to
When refrigerating capacity needs unloading, bypass valve (bypass valve that this utility model uses is heating power bypass valve) works and takes in heat, increases
Add the evaporation of vaporizer, advantageously reduce the backflow of liquid；Balance coolant low pressure simultaneously, keeps stablizing of refrigerating capacity.
So, this utility model is applied to the refrigeration mechanism of cooling driers by changing the installation site of its internal bypass valve, effectively stops
The phenomenon that liquid refrigerant in vaporizer is back in compressor occurs, and extends the service life of compressor and is conducive to protecting
The refrigeration of card compressor, and reduce maintenance cost, decrease the addition of cold-producing medium simultaneously, be conducive to protecting environment.
As further improvement of the utility model, described refrigeration mechanism also includes an electromagnetic valve；Described electromagnetic valve is arranged
Between the delivery outlet and the input port of described expansion valve of described condenser, and connect phase with described condenser and described expansion valve
Connect.Owing to existing cooling driers is when desiccant opening, it is highly pressurised liquid entirely inside condenser, and vaporizer is low pressure shape
State, then cause having substantial amounts of liquid refrigerant at stop moment and enter in vaporizer because of pressure reduction, then set being again started up
Time standby, the liquid refrigerant evaporation that is not able to do in time just directly refluxes away, and evaporation effect is bad and can affect the work of compressor.
So, this utility model, by setting up electromagnetic valve (electromagnetic valve that this utility model uses is coolant electromagnetic valve), makes equipment stop
When adding neutralization cold-producing medium during machine, liquid refrigerant is not easily accessed compressor, further ensures the refrigeration of compressor
Effect and the service life extending compressor.
As further improvement of the utility model, described refrigeration mechanism also includes a hand-operated valve；Described hand-operated valve is arranged
Between the delivery outlet and the input port of described electromagnetic valve of described condenser, and connect phase with described condenser and described electromagnetic valve
Connect.By setting up hand-operated valve, when being conducive to the equipment that is further ensured that to add neutralization cold-producing medium in stopping process, liquid refrigerant
It is not easily accessed compressor, further ensures the refrigeration of compressor and extend the service life of compressor.
As further improvement of the utility model, described refrigeration mechanism also includes an exsiccator；Described exsiccator is arranged
Between the delivery outlet and the input port of described hand-operated valve of described condenser, and connect phase with described condenser and described hand-operated valve
Connect.By exsiccator, be conducive to the moisture removing the liquid refrigerant of condenser output and the impurity filtered out in pipeline, thus
Further ensure refrigeration and improve refrigerating efficiency.
As further improvement of the utility model, described refrigeration mechanism also includes a return-air filter；Described return-air mistake
Filter is arranged between the delivery outlet of described gas-liquid separator and the input port of described compressor, and with described gas-liquid separator and
The connection of described compressor connects.By the setting of return-air filter, be conducive to further to the gaseous state exported by gas-liquid separator
Cold-producing medium filters further, it is ensured that comes back to the quality of gaseous refrigerant in compressor, thus is further ensured that pressure
The refrigeration of contracting machine and the service life of prolongation compressor.
As further improvement of the utility model, described refrigeration mechanism also includes precooler and moisture trap；Described
Precooler is concatenated with described vaporizer by described moisture trap, and it is by warp after complete for the refrigerant processes that inputted by vaporizer
Moisture trap is back in described vaporizer.By precooler and the setting of moisture trap, advantageously reduce vaporizer
Burden, further enhances evaporation effect, improves evaporation efficiency.
As further improvement of the utility model, described expansion valve be model be 38TR, the expansion valve of 134KW, R22.
Power limited by expansion valve, the expansion valve that application power is less than the expansion valve power of the refrigeration mechanism of existing cooling driers,
Be conducive to avoiding needing the adding amount of cold-producing medium relatively to increase because existing expansion valve power is bigger than normal, and cause evaporator evaporation not
The liquid of complete cold-producing medium is more to be back in compressor, causes the phenomenon of compressor liquid hammer to occur.
In order to be more fully understood that and implement, describe this utility model below in conjunction with the accompanying drawings in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation that prior art is applied to the refrigeration mechanism of cooling driers；
Fig. 2 is the structural representation that this utility model is applied to the refrigeration mechanism of cooling driers；
Fig. 3 is the structural representation after the refrigeration mechanism being applied to cooling driers in Fig. 2 improves further；
Fig. 4 is the structural representation after the refrigeration mechanism being applied to cooling driers in Fig. 3 improves further；
Fig. 5 is the structural representation after the refrigeration mechanism being applied to cooling driers in Fig. 4 improves further；
Fig. 6 is the structural representation after the refrigeration mechanism being applied to cooling driers in Fig. 5 improves further；
Fig. 7 is the structural representation after the refrigeration mechanism being applied to cooling driers in Fig. 6 improves further.
Detailed description of the invention
Referring to Fig. 2, the refrigeration mechanism of the refrigeration mechanism that this utility model is applied to cooling driers includes being sequentially communicated and connects
And form the compressor 1 of closed circuit, condenser 2, expansion valve 3, vaporizer 4 and gas-liquid separator 5.Described compressor 1 defeated
Connected by bypass valve 6 connection between outlet and the input port of described vaporizer 4.In the present embodiment, described bypass valve 6 is
Heating power bypass valve.
Thus this utility model by being installed on compressor 1 delivery outlet and vaporizer 4 instead by the installation site of bypass valve 6
Between input port, it is possible to when refrigerating capacity needs unloading, bypass valve 6 works and takes in heat, increases the evaporation of vaporizer 4, has
It is beneficial to decrease the backflow of liquid；Balance coolant low pressure simultaneously, keeps stablizing of refrigerating capacity.That is, effectively stopped to steam
Send out the phenomenon generation that the liquid refrigerant in device 4 is back in compressor 1, extend the service life of compressor 1 and be conducive to
Ensure the refrigeration of compressor 1, and reduce maintenance cost, decrease the addition of cold-producing medium, beneficially protection ring simultaneously
Border.
For avoiding needing the adding amount of cold-producing medium relatively to increase because existing expansion valve 3 power is bigger than normal, and cause vaporizer 4
The liquid of the cold-producing medium that cannot evaporate completely is more to be back in compressor 1, causes the phenomenon of compressor 1 liquid hammer to occur, thus enters one
Step ensures the evaporation effect of vaporizer 4 and the refrigeration of compressor 1 and service life thereof, as a kind of more excellent technical side
Case, described expansion valve 3 is 38TR for model, the expansion valve 3 of 134KW, R22.
Referring to Fig. 3, during for making equipment add neutralization cold-producing medium in stopping process, liquid refrigerant is not easily accessed pressure
Contracting machine 1, further ensures the refrigeration of compressor 1 and extends the service life of compressor 1, as a kind of more excellent skill
Art scheme, described refrigeration mechanism also includes an electromagnetic valve 7.Described electromagnetic valve 7 is arranged at the delivery outlet of described condenser 2 and described
Between the input port of expansion valve 3, and connect with described condenser 2 and described expansion valve 3 connection.
In the present embodiment, described electromagnetic valve 7 is coolant electromagnetic valve.
Refer to Fig. 4, for being further ensured that the refrigeration of compressor 1 and extending the service life of compressor 1, as one
Planting more excellent technical scheme, described refrigeration mechanism also includes a hand-operated valve 8.Described hand-operated valve 8 is arranged at the defeated of described condenser 2
Between outlet and the input port of described electromagnetic valve 7, and connect with described condenser 2 and described electromagnetic valve 7 connection.
Refer to Fig. 5, for effectively remove the moisture of the liquid refrigerant of condenser 2 output and filter out in pipeline miscellaneous
Matter, thus be further ensured that refrigeration and improve refrigerating efficiency, as a kind of more excellent technical scheme, described refrigeration mechanism is also
Including an exsiccator 9.Described exsiccator 9 is arranged between delivery outlet and the input port of described hand-operated valve 8 of described condenser 2,
And connect with described condenser 2 and described hand-operated valve 8 connection.
Refer to Fig. 6, for further the gaseous refrigerant exported by gas-liquid separator 5 being filtered, it is ensured that again return
The quality of the gaseous refrigerant in compressor 1, thus be further ensured that the refrigeration of compressor 1 and extend compressor 1
In service life, as a kind of more excellent technical scheme, described refrigeration mechanism also includes a return-air filter 10.Described return-air filters
Device 10 is arranged between delivery outlet and the input port of described compressor 1 of described gas-liquid separator 5, and with described gas-liquid separator
5 connect with described compressor 1 and to connect.
Refer to Fig. 7, for reducing the burden of vaporizer 4, further enhance evaporation effect, improve evaporation efficiency, as one
Planting more excellent technical scheme, described refrigeration mechanism also includes precooler 11 and moisture trap 12.Institute is passed through in described precooler 11
State moisture trap 12 to concatenate with described vaporizer 4, its by after complete for the refrigerant processes that inputted by vaporizer 4 through gas-water separation
Device 12 is back in described vaporizer 4.
Relative to prior art, this utility model is applied to the refrigeration mechanism of cooling driers by changing the peace of its internal bypass valve
Holding position, has effectively stopped the phenomenon generation that the liquid refrigerant in vaporizer is back in compressor, has extended compressor
Service life and the refrigeration advantageously ensuring that compressor, and reduce maintenance cost, about 200,000 yuan can be saved every year
Maintenance cost, decreases the addition of cold-producing medium simultaneously, is conducive to protecting environment.
This utility model is not limited to above-mentioned embodiment, if do not taken off various changes of the present utility model or deformation
From spirit and scope of the present utility model, if these are changed and deformation belongs to claim of the present utility model and equivalent technologies
Within the scope of, then this utility model is also intended to comprise these changes and deformation.
Claims (7)
1. being applied to a refrigeration mechanism for cooling driers, it includes being sequentially communicated and connects and formed the compressor of closed circuit, cold
Condenser, expansion valve, vaporizer and gas-liquid separator；It is characterized in that: the delivery outlet of described compressor and described vaporizer defeated
Connected by a bypass valve connection between entrance.
The refrigeration mechanism being applied to cooling driers the most according to claim 1, it is characterised in that: described refrigeration mechanism also includes
One electromagnetic valve；Described electromagnetic valve is arranged between the delivery outlet of described condenser and the input port of described expansion valve, and with described
Condenser connects with described expansion valve and connects.
The refrigeration mechanism being applied to cooling driers the most according to claim 2, it is characterised in that: described refrigeration mechanism also includes
One hand-operated valve；Described hand-operated valve is arranged between the delivery outlet of described condenser and the input port of described electromagnetic valve, and with described
Condenser connects with described electromagnetic valve and connects.
The refrigeration mechanism being applied to cooling driers the most according to claim 3, it is characterised in that: described refrigeration mechanism also includes
One exsiccator；Described exsiccator is arranged between the delivery outlet of described condenser and the input port of described hand-operated valve, and with described
Condenser connects with described hand-operated valve and connects.
5. according to the refrigeration mechanism being applied to cooling driers described in any one of Claims 1 to 4, it is characterised in that: described refrigeration
Mechanism also includes a return-air filter；Described return-air filter is arranged at the delivery outlet of described gas-liquid separator and described compressor
Input port between, and connect with described gas-liquid separator and described compressor and connect.
The refrigeration mechanism being applied to cooling driers the most according to claim 5, it is characterised in that: described refrigeration mechanism also includes
Precooler and moisture trap；Described precooler is concatenated with described vaporizer by described moisture trap, and it will be by vaporizer
Input refrigerant processes complete after in moisture trap is back to described vaporizer.
The refrigeration mechanism being applied to cooling driers the most according to claim 1, it is characterised in that: described expansion valve is that model is
The expansion valve of 38TR, 134KW, R22.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631002.5U CN205747562U (en) | 2016-06-22 | 2016-06-22 | A kind of refrigeration mechanism being applied to cooling driers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631002.5U CN205747562U (en) | 2016-06-22 | 2016-06-22 | A kind of refrigeration mechanism being applied to cooling driers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205747562U true CN205747562U (en) | 2016-11-30 |
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ID=57384455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620631002.5U Active CN205747562U (en) | 2016-06-22 | 2016-06-22 | A kind of refrigeration mechanism being applied to cooling driers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205747562U (en) |
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2016
- 2016-06-22 CN CN201620631002.5U patent/CN205747562U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 511462 Nansha District, Guangzhou, No. sailing Road, No. 10, self made by the author of the 4 (office building), No. 1 Patentee after: The boat in Guangzhou Wenchong Dock Company Limited Address before: 511462 Nansha District, Guangzhou, No. sailing Road, No. 10, self made by the author of the 4 (office building), No. 1 Patentee before: The ship dengxi shipyard (Guangzhou) Co. Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191224 Address after: 511462 building 6, No. 2, No. 10, QIHANG Road, Nansha District, Guangzhou City, Guangdong Province (production management building and auxiliary building of electromechanical comprehensive workshop) (office only) Patentee after: Guangzhou Wenchong Shipbuilding Co., Ltd Address before: 511462 No. 10, sailing Road, Nansha District, Guangdong, China, No. 1, 4 (office building), written by myself, Guangzhou Patentee before: The boat in Guangzhou Wenchong Dock Company Limited |