CN205505469U - Environmental protection and energy saving screw refrigerant unsteady flow volume temperature and humidity regulation system - Google Patents
Environmental protection and energy saving screw refrigerant unsteady flow volume temperature and humidity regulation system Download PDFInfo
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- CN205505469U CN205505469U CN201620012251.6U CN201620012251U CN205505469U CN 205505469 U CN205505469 U CN 205505469U CN 201620012251 U CN201620012251 U CN 201620012251U CN 205505469 U CN205505469 U CN 205505469U
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Abstract
The utility model provides an environmental protection and energy saving screw refrigerant unsteady flow volume temperature and humidity regulation system, to the application of screw compressor in refrigeration and air conditioner field, basically, the refrigeration host group that is arranged in cooling water set and direct expansion refrigerating system, its heart of all regarding as refrigerating system, it is gaseous from the refrigerant that the breathing pipe inhaleed low temperature and low pressure, drive the screw rod after to its compress through motor operation, it is gaseous to the highly compressed refrigerant of blast pipe discharge high temperature, provide power for refrigeration cycle, thereby realize the refrigeration cycle of compression -> condensation -> throttle -> evaporation (heat absorption). The utility model discloses apply to a temperature and humidity regulation system with it, except satisfying conventional refrigeration function, the system still possesses the regulatory function of suitable humidity.
Description
Technical field
This utility model relates to a kind of environmental protection and energy saving screw coolant variable-flow humiture control system.
Background technology
Prior art Medical Logistics warehouse is according to the new edition GSP (GSP) and the requirement of related annex and technical standard, epidemic disaster span of control for shady and cool storehouse is: between temperature 2 DEG C to 20 DEG C, between relative humidity 35%-75%.The epidemic disaster span of control in room temperature storehouse is: between temperature 2 DEG C to 30 DEG C, relative humidity is between 35%-75%.
The area ratio that shady and cool storehouse accounts for whole logistic storage is that comparison is high, and it is big with the temperature difference of external environment when summer, the refrigeration duty causing its air conditioning system is big, therefore to account for the ratio of logistics storehouse energy consumption the highest for the energy consumption of air conditioning system, for reducing the operation cost in logistics storehouse, the air conditioning system of selection low energy consumption necessity very.
Medical Logistics warehouse is in addition to having clear and definite control to the temperature of reservoir area and requiring, relative humidity is also had clear and definite demand for control, traditional air conditioning system is at the most certain dehumidifying effect of process of refrigerastion, but more difficult steady in a long-term meet humid control demand, therefore a lot of logistics storehouses also need to increase dehumidification system to meet the demand for control of relative humidity, increasing dehumidification system is the effective ways controlling relative humidity, but it can increase equipment, overlapping investment, and need extra electric energy, additionally dehumidifier belongs to temperature rise type, its condenser heat can all reject heat to increase in reservoir area the air conditioner load of reservoir area, and it is too high to easily cause temperature locally.
Therefore seeking that a kind of to possess the solution that epidemic disaster regulates and controls simultaneously necessary, this patent uses screw compressor to build to meet the system of above-mentioned functions by introducing.
Utility model content
The utility model proposes a kind of environmental protection and energy saving screw coolant variable-flow humiture control system, air conditioning system of the prior art cannot realize the effect that epidemic disaster regulates and controls simultaneously.
nullThe technical solution of the utility model is achieved in that a kind of environmental protection and energy saving screw coolant variable-flow humiture control system，It is characterized in that: include screw compressor、Oil eliminator、Water-cooled condenser、Reservoir、Feed flow device for drying and filtering、For hot gas bypass solenoid valve、For fire balloon valve、Refrigerant feed liquid ball valve、Cold-producing medium return-air ball valve、Hybrid electromagnetic valve、For thermoelectrical magnetic valve、Refrigeration electromagnetic valve、Throttling arrangement、Humiture transducer、Return-air device for drying and filtering、Gas-liquid separator、Cooling water system and be located at humiture by the air-treatment cabinet of control interval，Described air-treatment cabinet includes evaporation coil、Secondary heat exchange coil pipe and air-treatment cabinet motor，The outfan of described screw compressor is connected with the input of described oil eliminator，The outfan of described oil eliminator is connected with the input of water-cooled condenser and the input for hot gas bypass solenoid valve respectively by the first tee T；The outfan of described water-cooled condenser pipeline successively connects reservoir, feed flow device for drying and filtering, the input of refrigerant feed liquid ball valve, the outfan of described refrigerant feed liquid ball valve connects input and the input of refrigeration electromagnetic valve of hybrid electromagnetic valve by the second tee T, the outfan of described refrigeration electromagnetic valve by the 3rd tee T respectively with the input of throttling arrangement, the outfan of one check valve connects, the outfan of described throttling arrangement pipeline successively connects evaporation coil, cold-producing medium return-air ball valve, return-air device for drying and filtering, gas-liquid separator and the input of screw compressor；The described outfan pipeline successively for hot gas bypass solenoid valve connects for fire balloon valve, hybrid electromagnetic valve, described hybrid electromagnetic valve is connected by the input pipeline of the 4th tee T with described secondary heat exchange coil pipe for thermoelectrical magnetic valve with described, and the outfan of the outfan of described secondary heat exchange coil pipe is connected with the input of described check valve.
Further, described environmental protection and energy saving screw coolant variable-flow humiture control system also includes the main frame robot control system(RCS) for control system circuit.
Further, described environmental protection and energy saving screw coolant variable-flow humiture control system also includes second-hand's valve, filter, liquid-sighting glass, high temperature expansion valve；The outfan of described feed flow device for drying and filtering is connected with the input of refrigerant feed liquid ball valve and the input pipeline of second-hand's valve by the 5th tee T, and the outfan pipeline successively of described second-hand's valve connects filter, liquid-sighting glass, high temperature expansion valve and the air return end of screw compressor.
Further, described environmental protection and energy saving screw coolant variable-flow humiture control system, also include that low pressure sensor, described low pressure sensor are located on the air return end of described screw compressor.
Further, described screw compressor is provided with oil pressure difference switch and oil level switch.
Further, the input of described screw compressor is provided with low pressure gauge, and the outfan of described screw compressor is provided with high-pressure manometer.
Further, described oil eliminator is additionally provided with first-hand valve, oil circuit electromagnetic valve, oil passage filter and the oil mirror that pipeline successively is connected with the outfan of described screw compressor.
Further, it is provided with dual-pressure controller between input and the outfan of described screw compressor of described screw compressor.
Further, it is provided with liquid-sighting glass between described feed flow device for drying and filtering and described refrigerant feed liquid ball valve.
Further, the quantity of described air-treatment cabinet is one or more.
The beneficial effects of the utility model are: for screw compressor in the utilization freezed and in field of air conditioning, it is essentially available in the refrigeration host computer group of handpiece Water Chilling Units and direc expansion refrigeration system, it is all as the heart of refrigeration system, it sucks the refrigerant gas of low-temp low-pressure from suction nozzle, after driving screw rod that it is compressed by motor rotation, the refrigerant gas of High Temperature High Pressure is discharged to exhaustor, there is provided power for kind of refrigeration cycle, thus realize the kind of refrigeration cycle of compression → condensation → throttling → evaporation (heat absorption).This utility model is applied to a humiture control system, and in addition to the refrigerating function of satisfied routine, system is also equipped with the regulatory function of suitable humidity.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the system structure schematic diagram of this utility model a kind of environmental protection and energy saving screw coolant variable-flow one embodiment of humiture control system；
In accompanying drawing: 1-screw compressor；2-oil eliminator；3-water-cooled condenser；4-reservoir；5-feed flow device for drying and filtering；6-is for hot gas bypass solenoid valve；7-is for fire balloon valve；8-refrigerant feed liquid ball valve；9-cold-producing medium return-air ball valve；10-air-treatment cabinet；11-evaporation coil；12-secondary heat exchange coil pipe；13-air-treatment cabinet motor；14-hybrid electromagnetic valve；15-is for thermoelectrical magnetic valve；16-freezes electromagnetic valve；17-throttling arrangement；18-humiture transducer；19-return-air device for drying and filtering；20-gas-liquid separator；21-low pressure sensor；The first-hand valve of 22-；23-oil circuit electromagnetic valve；24-oil passage filter；25-oil mirror；26-second-hand's valve；27-filter；28-liquid-sighting glass；29-high temperature expansion valve；30-oil pressure difference switch；31-oil level switch；32-high-pressure manometer；33-dual-pressure controller；34-low pressure gauge；35-cooling water system；The controlled interval of 100-humiture；101-host machine part.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullAs shown in Figure 1，A kind of environmental protection and energy saving screw coolant variable-flow humiture control system，It is characterized in that: include screw compressor 1、Oil eliminator 2、Water-cooled condenser 3、Reservoir 4、Feed flow device for drying and filtering 5、For hot gas bypass solenoid valve 6、For fire balloon valve 7、Refrigerant feed liquid ball valve 8、Cold-producing medium return-air ball valve 9、Hybrid electromagnetic valve 14、For thermoelectrical magnetic valve 15、Refrigeration electromagnetic valve 16、Throttling arrangement 17、Humiture transducer 18、Return-air device for drying and filtering 19、Gas-liquid separator 20、Cooling water system 35 and be located at humiture by the air-treatment cabinet 10 of control interval，Described air-treatment cabinet 10 includes evaporation coil 11、Secondary heat exchange coil pipe 12 and air-treatment cabinet motor 13，The outfan of described screw compressor 1 is connected with the input of described oil eliminator 2，The outfan of described oil eliminator 2 is connected with the input of water-cooled condenser 3 and the input for hot gas bypass solenoid valve 6 respectively by the first tee T；The outfan pipeline successively of described water-cooled condenser 3 connects reservoir 4, feed flow device for drying and filtering 5, the input of refrigerant feed liquid ball valve 8, the outfan of described refrigerant feed liquid ball valve 8 connects input and the input of refrigeration electromagnetic valve 16 of hybrid electromagnetic valve 14 by the second tee T, the outfan of described refrigeration electromagnetic valve 16 by the 3rd tee T respectively with the input of throttling arrangement 17, the outfan of one check valve connects, the outfan pipeline successively of described throttling arrangement 17 connects evaporation coil 11, cold-producing medium return-air ball valve 9, return-air device for drying and filtering 19, gas-liquid separator 20 and the input of screw compressor 1；The described outfan pipeline successively for hot gas bypass solenoid valve 6 connects for fire balloon valve 7, hybrid electromagnetic valve 14, described hybrid electromagnetic valve 14 is connected by the input pipeline of the 4th tee T with described secondary heat exchange coil pipe 12 for thermoelectrical magnetic valve 15 with described, and the outfan of the outfan of described secondary heat exchange coil pipe 12 is connected with the input of described check valve.
Described environmental protection and energy saving screw coolant variable-flow humiture control system also includes the main frame robot control system(RCS) for control system circuit.
Described environmental protection and energy saving screw coolant variable-flow humiture control system also includes second-hand's valve 26, filter 27, liquid-sighting glass 28, high temperature expansion valve 29；The outfan of described feed flow device for drying and filtering 5 is connected with the input of refrigerant feed liquid ball valve 8 and the input pipeline of second-hand's valve 26 by the 5th tee T, and the outfan pipeline successively of described second-hand's valve 26 connects filter 27, liquid-sighting glass 28, high temperature expansion valve 29 and the air return end of screw compressor.
Described environmental protection and energy saving screw coolant variable-flow humiture control system also includes that low pressure sensor 21, described low pressure sensor 21 are located on the air return end of described screw compressor.
Described screw compressor 1 is provided with oil pressure difference switch 30 and oil level switch 31.
The input of described screw compressor 1 is provided with low pressure gauge 34, and the outfan of described screw compressor 1 is provided with high-pressure manometer 32.
Described oil eliminator 2 is additionally provided with first-hand valve 22, oil circuit electromagnetic valve 23, oil passage filter 24 and the oil mirror 25 that pipeline successively is connected with the outfan of described screw compressor 1.
It is provided with dual-pressure controller 33 between input and the outfan of described screw compressor 1 of described screw compressor 1.
It is provided with liquid-sighting glass 28 between described feed flow device for drying and filtering 5 and described refrigerant feed liquid ball valve 8.
The quantity of described air-treatment cabinet 10 is one or more.
Reference system structural representation, system operational process is as follows:
The humiture transducer 18 being positioned in humiture controlled interval 100 gathers the humiture state parameter signal in the controlled interval of humiture, by the humiture robot control system(RCS) at controlled for humiture status signal transmission to humiture interval, robot control system(RCS) passes through computing contrast and the logical analysis of internal processes, operating state according to the associated components sent after computing and logical analysis in corresponding control signal control air-treatment cabinet 10, and by signal communication, operational mode fed back to the robot control system(RCS) at main frame, coordinate the running status of main frame needed for coordinating air-treatment cabinet 10.
Refrigeration mode:
nullWhen the humiture robot control system(RCS) in the controlled interval of humiture starts refrigeration mode operation，The motor 13 of air-treatment cabinet 10 is in the state run up，Refrigeration electromagnetic valve 16 is in opening，And hybrid electromagnetic valve 14 and confession thermoelectrical magnetic valve 15 are closed simultaneously，Now liquid refrigerant comes the front end of throttling arrangement 17 by refrigeration electromagnetic valve 16，And entrance evaporation coil 11 is evaporated heat exchange after the throttling of throttling arrangement 17 processes，Air in the controlled interval of humiture reaches the purpose of refrigeration by the forced circulation of air-treatment cabinet 10 and heat exchange，Now host machine part is not necessarily in running status，Because the pipeline of refrigeration electromagnetic valve 16 front end itself is filled with the refrigerant liquid of elevated pressures，After refrigeration electromagnetic valve 16 is opened，The liquid refrigerant of elevated pressures will be because of the existence of pressure reduction，By refrigeration electromagnetic valve 16，After enter back into evaporation coil 11 through throttling arrangement 17，Then enter in the return line connecting main frame，Continuous evaporation along with cold-producing medium，Low pressure in return line is gradually increased to setting value，Screw compressor unit just reopens，Gaseous refrigerant in return line carried out air-breathing compression、Condensation.
nullIt is the cold-producing medium entrance return-air duct by becoming gaseous state after air-treatment cabinet 10 evaporation and heat-exchange from liquid that main frame runs its process，And by the cold-producing medium return-air ball valve 9 in pipeline、Return-air device for drying and filtering 19 and gas-liquid separator 20、Air-treatment cabinet 10 is got more and more with gaseous refrigerant in the pipeline of screw compressor 1 arrival end，Build-up of pressure can gradually rise，Low pressure sensor 21 gathers the pressure signal of air return end and feeds back to main frame robot control system(RCS)，When pressure reaches the setting value of start，Main frame robot control system(RCS) can send corresponding action command，Now screw compressor 1 starts，Low-temp low-pressure gaseous refrigerant in return line is carried out air-breathing、Compression、And discharge High Temperature High Pressure by pipeline entrance oil eliminator 2 from exhaust end、(mode of condensation may be used without air-cooled to enter back into water-cooled condenser 3、Or evaporate cold form)，Water-cooled condenser 3 must external cooling water system，The gaseous refrigerant of High Temperature High Pressure becomes the liquid refrigerant of the middle temperature of high pressure and enters reservoir 4 after condensing in condenser 3、And add among the liquid refrigerant line between air-treatment cabinet 10 and reservoir 4，Keep the high pressure conditions of refrigerant feed liquid pipe，There is provided and meet the cold-producing medium needed for air-treatment cabinet heat exchange.Certainly screw compressor has superior energy output regulation performance, the system return air pressure that can detect according to low pressure sensor 21, judge the workload demand of end airhandling equipment, thus realize loading and the unloading (i.e. the variable-flow output of cold-producing medium) of screw compressor 1.
Dehumidification mode:
nullCertainly these environmental protection and energy saving screw rod coolant variable-flow humiture control system can arrange equally and defer to the principle that temperature control is preferential，Regulation and the control of relative humidity is carried out on the premise of meeting temperature controlling range，Under dehumidification mode, the motor 13 of air-treatment cabinet 10 is in the state of low-speed running，Refrigeration electromagnetic valve 16 is in closure state，Hybrid electromagnetic valve 14 and for thermoelectrical magnetic valve 15 all in accordance with the state being in a kind of pulse of the ruuning situation independence of system，The liquid refrigerant of middle temperature high pressure enters secondary heat exchange coil pipe 12 by hybrid electromagnetic valve 14，The gaseous refrigerant of High Temperature High Pressure is by entering secondary heat exchange coil pipe 12 for thermoelectrical magnetic valve 15，The gaseous refrigerant of High Temperature High Pressure mixes in secondary heat exchange coil pipe 12 with the liquid refrigerant of middle temperature high pressure，And by the fin heat exchange of secondary heat exchange coil pipe, the circulation air that the cooling and dehumidifying through evaporation coil 11 processes is carried out homoiothermic heating，Become before liquid refrigerant comes throttling arrangement 17 through the cold-producing medium of gas-liquid mixed of secondary heat exchange coil pipe 12 cooling，And entrance evaporation coil 11 is evaporated heat exchange after being processed by throttling，Air in the controlled interval of humiture is under the driving of the motor 13 of air-treatment cabinet 10，Carry out forced circulation and complete cooling and dehumidifying at evaporation coil 11，The regulation and control heated up are completed at secondary heat exchange coil pipe 12，Thus realize the humiture auto-control in the controlled interval of humiture.
nullActually host machine part is mainly continuously air-treatment cabinet 10 by the forced circulation of cold-producing medium and provides low-temperature receiver and thermal source，It is the cold-producing medium entrance return-air duct by becoming gaseous state after air-treatment cabinet 10 evaporation and heat-exchange from liquid that main frame runs its process，And by the cold-producing medium return-air ball valve 9 in pipeline、Return-air device for drying and filtering 19 and gas-liquid separator 20、Air-treatment cabinet 10 is got more and more with gaseous refrigerant in the pipeline of screw compressor 1 arrival end，Build-up of pressure can gradually rise，Low pressure sensor 21 gathers the pressure signal of air return end and feeds back to main frame robot control system(RCS)，When pressure reaches the setting value of start，Main frame robot control system(RCS) can send corresponding action command，Now screw compressor 1 starts，Low-temp low-pressure gaseous refrigerant in return line is carried out air-breathing、Compression、And discharge High Temperature High Pressure by pipeline entrance oil eliminator 2 from exhaust end、From oil eliminator 2 high-temperature high-pressure refrigerant gas out，By bypass solenoid valve 6, (opening and closing of bypass solenoid valve realizes a portion by feeding back to the robot control system(RCS) at main frame by the signal of the humiture robot control system(RCS) at the controlled interval of humiture，The air-treatment cabinet 10 in the controlled interval of humiture has operation dehumidification mode，When needing the input of heat，Hot bypass solenoid valve 6 is in opening，Otherwise it is closed) enter steam conveyance conduit and come the front end for thermoelectrical magnetic valve 15，Secondary heat exchange coil pipe 12 in air-treatment cabinet 10 provides thermal source，Another part high-temperature high-pressure refrigerant gas then enters water-cooled condenser 3, and (mode of condensation may be used without air-cooled、Evaporate cold or other condensate form)，Water-cooled condenser 3 must external cooling water system，The gaseous refrigerant of High Temperature High Pressure becomes the liquid refrigerant of the middle temperature of high pressure and enters reservoir 4 after condensing in condenser 3、And add among the liquid refrigerant line between air-treatment cabinet 10 and reservoir 4，Keep the high pressure conditions of refrigerant feed liquid pipe，There is provided and meet the cold-producing medium needed for air-treatment cabinet evaporation and heat-exchange.Certainly screw compressor has superior energy output regulation performance, the system return air pressure that can detect according to low pressure sensor 21, judge the workload demand of end airhandling equipment, thus realize loading and the unloading (i.e. the variable-flow output of cold-producing medium) of screw compressor 1.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
- null1. an environmental protection and energy saving screw coolant variable-flow humiture control system，It is characterized in that: include screw compressor (1)、Oil eliminator (2)、Water-cooled condenser (3)、Reservoir (4)、Feed flow device for drying and filtering (5)、For hot gas bypass solenoid valve (6)、For fire balloon valve (7)、Refrigerant feed liquid ball valve (8)、Cold-producing medium return-air ball valve (9)、Hybrid electromagnetic valve (14)、For thermoelectrical magnetic valve (15)、Refrigeration electromagnetic valve (16)、Throttling arrangement (17)、Humiture transducer (18)、Return-air device for drying and filtering (19)、Gas-liquid separator (20)、Cooling water system (35) and be located at humiture by the air-treatment cabinet (10) of control interval，Described air-treatment cabinet (10) includes described evaporation coil (11)、Secondary heat exchange coil pipe (12) and air-treatment cabinet motor (13)，The outfan of described screw compressor (1) is connected with the input of described oil eliminator (2)，The outfan of described oil eliminator (2) is connected with the input of water-cooled condenser (3) and the input for hot gas bypass solenoid valve (6) respectively by the first tee T；The outfan pipeline successively of described water-cooled condenser (3) connects reservoir (4), feed flow device for drying and filtering (5), the input of refrigerant feed liquid ball valve (8), the outfan of described refrigerant feed liquid ball valve (8) connects input and the input of refrigeration electromagnetic valve (16) of hybrid electromagnetic valve (14) by the second tee T, the outfan of described refrigeration electromagnetic valve (16) by the 3rd tee T respectively with the input of throttling arrangement (17), the outfan of one check valve connects, the outfan pipeline successively of described throttling arrangement (17) connects evaporation coil (11), cold-producing medium return-air ball valve (9), return-air device for drying and filtering (19), gas-liquid separator (20) and the input of screw compressor (1)；The described outfan pipeline successively for hot gas bypass solenoid valve (6) connects for fire balloon valve (7), hybrid electromagnetic valve (14), described hybrid electromagnetic valve (14) is connected by the input pipeline of the 4th tee T with described secondary heat exchange coil pipe (12) for thermoelectrical magnetic valve (15) with described, and the outfan of outfan of described secondary heat exchange coil pipe (12) is connected with the input of described check valve.
- 2. environmental protection and energy saving screw coolant variable-flow humiture control system as claimed in claim 1, it is characterised in that: also include the main frame robot control system(RCS) for control system circuit.
- 3. environmental protection and energy saving screw coolant variable-flow humiture control system as claimed in claim 1, it is characterised in that: also include second-hand's valve (26), filter (27), liquid-sighting glass (28), high temperature expansion valve (29)；The outfan of described feed flow device for drying and filtering (5) is connected with the input of refrigerant feed liquid ball valve (8) and the input pipeline of second-hand's valve (26) by the 5th tee T, and the outfan pipeline successively of described second-hand's valve (26) connects filter (27), liquid-sighting glass (28), high temperature expansion valve (29) and the air return end of screw compressor.
- 4. environmental protection and energy saving screw coolant variable-flow humiture control system as claimed in claim 3, it is characterised in that: also include that low pressure sensor (21), described low pressure sensor (21) are located on the air return end of described screw compressor.
- 5. environmental protection and energy saving screw coolant variable-flow humiture control system as claimed in claim 1, it is characterised in that: described screw compressor (1) is provided with oil pressure difference switch (30) and oil level switch (31).
- 6. environmental protection and energy saving screw coolant variable-flow humiture control system as claimed in claim 1, it is characterized in that: the input of described screw compressor (1) is provided with low pressure gauge (34), the outfan of described screw compressor (1) is provided with high-pressure manometer (32).
- 7. environmental protection and energy saving screw coolant variable-flow humiture control system as claimed in claim 1, it is characterised in that: described oil eliminator (2) is additionally provided with first-hand valve (22), oil circuit electromagnetic valve (23), oil passage filter (24) and oil mirror (25) that pipeline successively is connected with the outfan of described screw compressor (1).
- 8. environmental protection and energy saving screw coolant variable-flow humiture control system as claimed in claim 1, it is characterised in that: it is provided with dual-pressure controller (33) between input and the outfan of described screw compressor (1) of described screw compressor (1).
- 9. environmental protection and energy saving screw coolant variable-flow humiture control system as claimed in claim 1, it is characterised in that: it is provided with liquid-sighting glass (28) between described feed flow device for drying and filtering (5) and described refrigerant feed liquid ball valve (8).
- 10. environmental protection and energy saving screw coolant variable-flow humiture control system as claimed in claim 1, it is characterised in that: the quantity of described air-treatment cabinet (10) is one or more.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620012251.6U CN205505469U (en) | 2016-01-04 | 2016-01-04 | Environmental protection and energy saving screw refrigerant unsteady flow volume temperature and humidity regulation system |
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| CN201620012251.6U CN205505469U (en) | 2016-01-04 | 2016-01-04 | Environmental protection and energy saving screw refrigerant unsteady flow volume temperature and humidity regulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485950A (en) * | 2016-01-04 | 2016-04-13 | 广州市顺景制冷设备有限公司 | Environmentally-friendly energy-saving screw type refrigerant variable-flow temperature-humidity regulation and control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485950A (en) * | 2016-01-04 | 2016-04-13 | 广州市顺景制冷设备有限公司 | Environmentally-friendly energy-saving screw type refrigerant variable-flow temperature-humidity regulation and control system |
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