CN207299594U - A kind of double set type oil cooling type low temperature Screw chillers - Google Patents
A kind of double set type oil cooling type low temperature Screw chillers Download PDFInfo
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- CN207299594U CN207299594U CN201720819123.7U CN201720819123U CN207299594U CN 207299594 U CN207299594 U CN 207299594U CN 201720819123 U CN201720819123 U CN 201720819123U CN 207299594 U CN207299594 U CN 207299594U
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- compressor
- evaporator
- cabinet
- condenser
- economizer
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Abstract
The utility model provides a kind of double set type oil cooling type low temperature Screw chillers, including compressor I, compressor II, evaporator and condenser, the port of export of compressor I is equipped with pressure controller I, I upper end of pressure controller is equipped with oil eliminator I, oil eliminator I is connected to condenser, cooling water inlet and cooling water outlet are equipped with the right side of condenser, condensator outlet end is equipped with drying cylinder I, the port of export of compressor II is equipped with pressure controller II, II upper end of pressure controller is equipped with oil eliminator II, oil eliminator II is connected to condenser, condensator outlet end is equipped with drying cylinder II, solenoid valve II is connected in after drying cylinder II, expansion valve II is connected in after solenoid valve II, evaporator outlet end is equipped with economizer II, operation cabinet is equipped with control touch-screen and several Operation switches.The utility model structure design is simple and reliable, convenient to install and maintain, and digitized degree is high, easy to operate, economic and environment-friendly, and refrigeration utilization rate is high.
Description
Technical field
It the utility model is related to art of refrigeration units, and in particular to a kind of double set type oil cooling type low temperature Screw chillers.
Background technology
Screw refrigerator using screw compressor because obtain this name.Its refrigeration work consumption is than vortex cooling-water machine
Power is big, is mainly used in chemical plant, ink printing house, automobile factory or central air conditioner system or other large scale industry systems
Cold aspect, screw type refrigerating compressor is carried out mostly by the way of oil jet lubrication, in the way of compressor is coupled with motor
Difference, is divided into open-type, semi-enclosed and three kinds of totally enclosed type.
Refrigeration unit generally belongs to high-power current consuming apparatus, seems extremely important to its power conservation requirement in operational process.
Background Conventional chiller units some refrigeration is only simply compressed using single compressor so that unit can not be competent at outside well
Run in the case of portion's loading load, and some are in order to meet the carrying dynamics for external load, also using two-shipper group mould
Formula, but simply it is mechanical add a compressor, make the full-load run at the same time of two compressors, without two pressures
The waste to the energy is largely caused in the environment of the intervention of contracting machine.It is and normal and safe and reliable in order to ensure compressor
Operation, therefore, to assure that other assemblies include the normal of condenser, evaporator, throttling or expansion valve work in unit, it is also desirable to one
Series control component carries out the temperature in compressor operating, pressure parameter in detection feedback immediately, present most of refrigeration machines
Group achievees the purpose that human-computer interaction simply by indicator light and controlling switch is installed additional in operation cabinet, can not be well to refrigeration
The working condition of unit carries out control, and cumbersome, digitized degree is low.
Utility model content
In view of above-mentioned background, the utility model provides a kind of double set type oil cooling type low temperature Screw chillers, structure design letter
Single reliable, convenient to install and maintain, digitized degree is high, easy to operate, economic and environment-friendly, and refrigeration utilization rate is high.It is above-mentioned in order to realize
Technical solution, the utility model adopts the following technical solution：
A kind of double set type oil cooling type low temperature Screw chillers, including compressor I, compressor II, evaporator and condenser, institute
The port of export for stating compressor I is equipped with pressure controller I, and I upper end of pressure controller is equipped with oil eliminator I, the oil separation
Device I is connected to condenser, is equipped with cooling water inlet and cooling water outlet on the right side of the condenser, the condensator outlet end is equipped with
Drying cylinder I, solenoid valve I are connected in after drying cylinder I, and expansion valve I is connected in after solenoid valve I, and the evaporator outlet end is equipped with warp
Help device I, and the economizer I is the structure of one-in-and-two-out, and I input end of economizer is connected in expansion valve I, and the economizer I goes out
Mouth end one end is connected with evaporator, and one end is directly connected in compressor I, and the evaporator is connected in I input end of compressor, the evaporation
Check valve is equipped between device and compressor I；The port of export of the compressor II is equipped with pressure controller II, the pressure controller
II upper end is equipped with oil eliminator II, and the oil eliminator II is connected to condenser, and the condensator outlet end is equipped with drying cylinder II,
Solenoid valve II is connected in after drying cylinder II, and expansion valve II is connected in after solenoid valve II, and the evaporator outlet end is equipped with economizer
II, II connection mode of economizer is identical with structure and above-mentioned economizer I, is equipped between the evaporator and compressor II single
To valve II；Electric cabinet stent is equipped with outside the evaporator, power control cabinet is installed on the electricity cabinet stent, the power control cabinet includes electricity
Control cabinet I, power control cabinet II and operation cabinet, the power control cabinet I are connected in compressor I, and the power control cabinet II is connected in compressor II, the electricity
Control cabinet I and power control cabinet II are connected in operation cabinet, and the operation cabinet is equipped with control touch-screen and several Operation switches.
A kind of double set type oil cooling type low temperature Screw chillers provided by the utility model, can be further arranged to the behaviour
Make cabinet and be equipped with several indicator lights.
A kind of double set type oil cooling type low temperature Screw chillers provided by the utility model, can be further arranged to the control
Touch-screen processed is multi information integrated display.
A kind of double set type oil cooling type low temperature Screw chillers provided by the utility model, can be further arranged to the pressure
Force controller I and pressure controller II have been internally integrated electric control gear.
A kind of double set type oil cooling type low temperature Screw chillers provided by the utility model, can be further arranged to the pressure
Contracting machine I and compressor II are the equal screw compressor of two power.
A kind of double set type oil cooling type low temperature Screw chillers provided by the utility model, can be further arranged to the pressure
Oil cooler is equipped with contracting machine I and compressor II.
In conclusion a kind of double set type oil cooling type low temperature Screw chillers of the utility model, using compressor I and compressor
II reaches the requirement freezed under varying environment by the synergism at the same time of respective system pipeline in condenser and evaporator
Structure, structure design is simple and reliable, convenient to install and maintain, and the port of export of compressor I is equipped with pressure controller I, by pressure
The adjusting of controller I can guarantee that the stabilization of I internal pressure of compressor, and I upper end of pressure controller is equipped with oil eliminator I, pass through by
Liquid oil is separated with vapour mixture, it is ensured that liquid oil is returned in the oil storage tank of compressor I, prevents compressor I due to liquid
Oil shortage and cause failure, condensator outlet end is equipped with drying cylinder I, for collecting, removing the moisture in system pipeline, at the same time
Impurity in filter pipeline, ensures that refrigerant smoothly circulates, and reason does not block and influences normal work, and solenoid valve I is connected in drying
After cylinder I, expansion valve I is connected in after solenoid valve I, realizes the decompression to gases at high pressure by expansion valve I, evaporator outlet end is set
There is economizer I, economizer I is the structure of one-in-and-two-out, and I input end of economizer is connected in expansion valve I, I port of export one end of economizer
It is connected with evaporator, one end is directly connected in compressor I, by passing through economizer I and compressor I to the uncooled gas in part
Communication line, reenters compressor I and continues to compress, improve the utilization rate of the energy, efficiently solve the waste of the energy, compressor
II system pipeline connection mode and function is identical with compressor I, and electric cabinet stent is equipped with outside evaporator, is installed on electric cabinet stent
There is power control cabinet, power control cabinet includes power control cabinet I, power control cabinet II and operation cabinet, and power control cabinet I is connected in compressor I, and power control cabinet II is connected in pressure
Contracting machine II, power control cabinet I and power control cabinet II are connected in operation cabinet, and operation cabinet is equipped with control touch-screen and several Operation switches, passes through
Man-machine interactive system in operation cabinet is carried out to operate the control respectively reached to each power control cabinet, digitized degree is high, operation letter
It is single, adjusting of the control compressor I under the conditions of undercapacity is can be very good, can realize the punctual of compressor II under full load conditions
Intervene to reach the requirement of load performance, economic and environment-friendly, refrigeration utilization rate is high.
Brief description of the drawings
Below in conjunction with the accompanying drawings the preferred embodiment of the utility model describe in detail or preferably, wherein,
Fig. 1 is a kind of structure diagram of double set type oil cooling type low temperature Screw chillers of the utility model；
Fig. 2 is a kind of side schematic view of double set type oil cooling type low temperature Screw chillers of the utility model；
Fig. 3 is a kind of compressor schematic diagram of double set type oil cooling type low temperature Screw chillers of the utility model；
Fig. 4 is a kind of economizer connection diagram of double set type oil cooling type low temperature Screw chillers of the utility model.
Embodiment
Done furtherly with reference to figures 1 through the double set type oil cooling type low temperature Screw chillers a kind of to the utility model of attached drawing 4
It is bright：
A kind of double set type oil cooling type low temperature Screw chillers, including compressor I, compressor II, evaporator and condenser, institute
Compressor I and compressor II are stated as the equal screw compressor of two power, is equipped with the compressor I and compressor II
Oil cooler, the port of export of the compressor I are equipped with pressure controller I, and I upper end of pressure controller is equipped with oil eliminator I,
The oil eliminator I is connected to condenser, and cooling water inlet and cooling water outlet, the condenser are equipped with the right side of the condenser
The port of export is equipped with drying cylinder I, and solenoid valve I is connected in after drying cylinder I, and expansion valve I is connected in after solenoid valve I, and the evaporator goes out
Mouth end is equipped with economizer I, and the economizer I is the structure of one-in-and-two-out, and I input end of economizer is connected in expansion valve I, described
I port of export one end of economizer is connected with evaporator, and one end is directly connected in compressor I, and the evaporator is connected in I import of compressor
End, is equipped with check valve between the evaporator and compressor I；The port of export of the compressor II is equipped with pressure controller II, institute
State II upper end of pressure controller and be equipped with oil eliminator II, the pressure controller I and pressure controller II have been internally integrated automatically controlled
Device, the oil eliminator II are connected to condenser, and the condensator outlet end is equipped with drying cylinder II, and solenoid valve II is connected in drying
After cylinder II, expansion valve II is connected in after solenoid valve II, and the evaporator outlet end is equipped with economizer II, and the economizer II connects
It is identical with structure and above-mentioned economizer I to connect mode, check valve II is equipped between the evaporator and compressor II；The evaporator
Outside is equipped with electric cabinet stent, is provided with power control cabinet on the electricity cabinet stent, the power control cabinet includes power control cabinet I, II and of power control cabinet
Operation cabinet, the power control cabinet I are connected in compressor I, and the power control cabinet II is connected in compressor II, the power control cabinet I and power control cabinet II
It is connected in operation cabinet, the operation cabinet is equipped with control touch-screen, several Operation switches and several indicator lights, and the control touches
Shield for multi information integrated display.
A kind of double set type oil cooling type low temperature Screw chillers of the utility model, using compressor I and compressor II by each
From system pipeline synergism at the same time reach the structure for the requirement freezed under varying environment, structure in condenser and evaporator
Design simple and reliable, convenient to install and maintain, the port of export of compressor I is equipped with pressure controller I, by pressure controller I
Adjust and can guarantee that the stabilization of I internal pressure of compressor, I upper end of pressure controller is equipped with oil eliminator I, by by liquid oil and steaming
Vapour mixture separate, it is ensured that liquid oil back to compressor I oil storage tank in, prevent compressor I due to the shortage of liquid oil and
Cause failure, condensator outlet end is equipped with drying cylinder I, for collecting, removing the moisture in system pipeline, while in filter pipeline
Impurity, ensure refrigerant smoothly circulate, not reason block and influence normal work, solenoid valve I is connected in after drying cylinder I, swollen
Swollen valve I is connected in after solenoid valve I, and the decompression to gases at high pressure is realized by expansion valve I, and evaporator outlet end is equipped with economizer I,
Economizer I is the structure of one-in-and-two-out, and I input end of economizer is connected in expansion valve I, I port of export one end of economizer and evaporator phase
Even, one end is directly connected in compressor I, passes through the communication line to the uncooled gas in part by economizer I and compressor I, weight
Newly continue to compress into compressor I, improve the utilization rate of the energy, efficiently solve the waste of the energy, the system of compressor II
Pipeline connecting mode and function are identical with compressor I, and electric cabinet stent is equipped with outside evaporator, is provided with electric cabinet stent automatically controlled
Cabinet, power control cabinet include power control cabinet I, power control cabinet II and operation cabinet, and power control cabinet I is connected in compressor I, and power control cabinet II is connected in compressor
II, power control cabinet I and power control cabinet II are connected in operation cabinet, and operation cabinet is equipped with control touch-screen and several Operation switches, by behaviour
To make the man-machine interactive system on cabinet to carry out operating the control respectively reached to each power control cabinet, digitized degree is high, easy to operate,
Compressor I individually receives operation cabinet and is run by the instruction that power control cabinet I is sent under the conditions of undercapacity, leads under full load conditions
The punctual of overcompression machine II is intervened to reach the requirement of load performance, and economic and environment-friendly, refrigeration utilization rate is high.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic
Equivalent substitution is carried out, where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of double set type oil cooling type low temperature Screw chillers, including compressor I（1）, compressor II（2）, evaporator（3）With it is cold
Condenser（4）, it is characterised in that the compressor I（1）The port of export be equipped with pressure controller I（5）, the pressure controller I
（5）Upper end is equipped with oil eliminator I（6）, the oil eliminator I（6）It is connected to condenser（4）, the condenser（4）Right side is equipped with
Cooling water inlet（7）With cooling water outlet（8）, the condenser（4）The port of export is equipped with drying cylinder I（9）, solenoid valve I（10）Even
In drying cylinder I（9）Afterwards, expansion valve I（11）It is connected in solenoid valve I（10）Afterwards, the evaporator（3）The port of export is equipped with economizer
Ⅰ（12）, the economizer I（12）For the structure of one-in-and-two-out, the economizer I（12）Input end is connected in expansion valve I（11）, institute
State economizer I（12）Port of export one end and evaporator（3）It is connected, one end is directly connected in compressor I（1）, the evaporator（3）Even
In compressor I（1）Input end, the evaporator（3）With compressor I（1）Between be equipped with check valve（13）；The compressor II
（2）The port of export be equipped with pressure controller II（14）, the pressure controller II（14）Upper end is equipped with oil eliminator II（15）, institute
State oil eliminator II（15）It is connected to condenser（4）, the condenser（4）The port of export is equipped with drying cylinder II（16）, solenoid valve II
（17）It is connected in drying cylinder II（16）Afterwards, expansion valve II（18）It is connected in solenoid valve II（17）Afterwards, the evaporator（3）The port of export
Equipped with economizer II（19）, the economizer II（19）Connection mode and structure and above-mentioned economizer I（12）It is identical, the evaporation
Device（3）With compressor II（2）Between be equipped with check valve II（20）；The evaporator（3）Outside is equipped with electric cabinet stent（21）, it is described
Electric cabinet stent（21）On power control cabinet is installed（22）, the power control cabinet（22）Including power control cabinet I（23）, power control cabinet II（24）And behaviour
Make cabinet（25）, the power control cabinet I（23）It is connected in compressor I（1）, the power control cabinet II（24）It is connected in compressor II（2）, the electricity
Control cabinet I（23）With power control cabinet II（24）It is connected in operation cabinet（25）, the operation cabinet（25）Equipped with control touch-screen（26）With it is some
A Operation switch（27）.
A kind of 2. double set type oil cooling type low temperature Screw chillers according to claim 1, it is characterised in that the operation cabinet
（25）Equipped with several indicator lights（28）.
3. a kind of double set type oil cooling type low temperature Screw chillers according to claim 1, it is characterised in that the control is touched
Touch screen（26）For multi information integrated display.
A kind of 4. double set type oil cooling type low temperature Screw chillers according to claim 1, it is characterised in that the pressure control
Device I processed（5）With pressure controller II（14）It has been internally integrated electric control gear.
A kind of 5. double set type oil cooling type low temperature Screw chillers according to claim 1, it is characterised in that the compressor
Ⅰ（1）With compressor II（2）For the equal screw compressor of two power.
A kind of 6. double set type oil cooling type low temperature Screw chillers according to claim 1, it is characterised in that the compressor
Ⅰ（1）With compressor II（2）On be equipped with oil cooler（29）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720819123.7U CN207299594U (en) | 2017-07-07 | 2017-07-07 | A kind of double set type oil cooling type low temperature Screw chillers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720819123.7U CN207299594U (en) | 2017-07-07 | 2017-07-07 | A kind of double set type oil cooling type low temperature Screw chillers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207299594U true CN207299594U (en) | 2018-05-01 |
Family
ID=62450221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720819123.7U Expired - Fee Related CN207299594U (en) | 2017-07-07 | 2017-07-07 | A kind of double set type oil cooling type low temperature Screw chillers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207299594U (en) |
-
2017
- 2017-07-07 CN CN201720819123.7U patent/CN207299594U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20210707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |