CN216132174U - Air-cooled freezing type dryer - Google Patents
Air-cooled freezing type dryer Download PDFInfo
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- CN216132174U CN216132174U CN202122098146.2U CN202122098146U CN216132174U CN 216132174 U CN216132174 U CN 216132174U CN 202122098146 U CN202122098146 U CN 202122098146U CN 216132174 U CN216132174 U CN 216132174U
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- 238000007710 freezing Methods 0.000 title claims description 19
- 230000008014 freezing Effects 0.000 title description 7
- 238000001816 cooling Methods 0.000 claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000003507 refrigerant Substances 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000002826 coolant Substances 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 27
- 239000000110 cooling liquid Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 11
- 238000000926 separation method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 230000009977 dual effect Effects 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
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Abstract
The application is forced air cooling frozen dryer, and after the air got into cooling module, cooling module carried out dual cooling to inside compressed air through air current and coolant liquid, and cooling module discharges the gas-water separation among the compressed air, and the cooling water after the heat exchange carries out the pressure boost through cooling module discharge compressor, recirculates to the air-out pipeline and heats the air, and the cooling water circulation after the heating is located the cooling to the refrigerant, circulates. The application has the following expected technical effects: this equipment make full use of the resource of export air, reduced cooling module's load, prolonged the life of equipment, still improved cooling efficiency simultaneously, cool down through the air-cooled mode, practice thrift a large amount of water resources, the maintenance cost is low.
Description
Technical Field
The application relates to the technical field of compressed air drying equipment, in particular to an air cooling freezing type dryer.
Background
The freeze dryer is one of the main dewatering and drying devices for compressed air, and utilizes the condensation of water vapor in the compressed air into liquid water in a frozen state, so as to discharge the moisture in the compressed air. Most of the refrigeration type drying machines on the market are simple in refrigeration device and low in drying efficiency, and because the internal temperature is low, the air quality can not be ensured due to the fact that the outlet air pipeline is prone to dewing due to temperature difference, and a large amount of cooling liquid is needed to be cooled when cooling is conducted simultaneously, so that water resource waste is caused.
SUMMERY OF THE UTILITY MODEL
In order to improve the problems of low cooling efficiency and water resource waste, the application provides an air-cooled freezing type dryer.
The application provides forced air cooling refrigeration dryer adopts following technical scheme:
the utility model provides an air-cooled refrigeration dryer which characterized in that: including box, cooling module, detection control assembly, hydrologic cycle subassembly, safety protection subassembly and compressor, cooling module sets up on the box, cooling module is provided with inlet duct and the pipeline of giving vent to anger respectively, hydrologic cycle subassembly lead to pipe connect in cooling module, hydrologic cycle subassembly still connect in the compressor, the compressor set up with the interior bottom of box, detection control assembly sets up on the box, just detection control assembly electricity connect in the compressor, the compressor is used for right the hydrologic cycle subassembly carries out the pressure boost.
Through adopting above-mentioned technical scheme, the box provides stable mounted position for other subassemblies, and after the air got into cooling module, cooling module carried out dual cooling to inside compressed air through air current and coolant liquid, and cooling module discharges the gas-water separation among the compressed air, and the cooling water after the heat exchange discharges into the compressor through cooling module and carries out the pressure boost, recycles to air-out pipeline and heats the air, and the cooling water circulation after the heating is to refrigerant department cooling, circulates. This circulation structure make full use of the resource of export air temperature, reduced cooling module's load, prolonged the life of equipment, detection control assembly can let the staff acquire the internal information of this equipment fast to automatically controlled in the compressor through detection control assembly adjusts the inside water pressure of water circulation subassembly, the safety protection subassembly is used for protecting the water circulation subassembly, prevents to lead to equipment to damage because of the pressure anomaly.
Optionally, the cooling assembly comprises an air-cooled pre-cooler, a heat exchanger, an evaporator and a gas-water separator, the evaporator is arranged in the box body and is horizontally arranged, the heat exchanger and the air-cooled front cooler are both provided with connecting pipes, the heat exchanger is communicated with the evaporator through the connecting pipe, the air-cooled pre-cooler is communicated with the heat exchanger through the connecting pipe, the heat exchanger is arranged horizontally above the evaporator, the air-cooled pre-cooler is at the same height as the heat exchanger, the air-cooled front cooler is arranged close to the heat exchanger, the gas-water separator is vertically arranged on the box body and positioned at one side of the evaporator, one end of the gas-water separator is communicated with the evaporator, and the other end of the gas-water separator is communicated with the heat exchanger.
By adopting the technical scheme, compressed air enters the air-cooled front cooler through the air inlet pipeline to be primarily cooled, the compressed air flows into the evaporator through heat exchange, the compressed air exchanges heat with the refrigerant inside the evaporator, heat in the compressed air is taken away by the refrigerant, the temperature of the compressed air is rapidly reduced to reach the saturation temperature, moisture in the compressed air is condensed into water drops and is separated and discharged through the air-water separator, the compressed air flows into the exhaust chamber of the evaporator again to exchange heat with the compressed air in the air inlet chamber to raise the temperature, the phenomenon of condensation of the air outlet pipeline due to overlarge temperature difference is prevented, the air quality is effectively guaranteed, meanwhile, a cold source of outlet air is fully utilized, and the work load of a cooling assembly of equipment is reduced.
Optionally, the air-cooled front cooler is provided with an exhaust fan, the exhaust fan is used for blowing air towards the air-cooled front cooler, the air inlet pipeline is arranged at one end of the air-cooled front cooler, the other end of the air-cooled front cooler is communicated with the heat exchanger, and a manual drain valve is further arranged on one side of the air-cooled front cooler.
Through adopting above-mentioned technical scheme, the fan is directly bloied to the leading cooler of air-cooled, can effectually utilize outside air temperature, makes inside compressed air tentatively cool down, and the fan easily acquires simultaneously, simple structure, and convenient to use has effectively avoided the waste of water resource, and manual blowoff valve can discharge moisture and impurity that the inside air of the leading cooler of air-cooled carried.
Optionally, the heat exchanger is divided into an air inlet chamber and an air outlet chamber, the air inlet chamber is communicated with the air-cooled pre-cooler and the evaporator, the air outlet chamber is communicated with the air-water separator, a plurality of air outlet holes are formed in the air outlet chamber, the air outlet pipeline is located at one end of the heat exchanger, and the air outlet holes are communicated with the air outlet pipeline.
Through adopting above-mentioned technical scheme, the compressed air of inlet chamber and exhaust chamber be convenient for utilize the entry carries out the heat exchange, and the air after the inlet chamber can will be cooled down is discharged into the evaporimeter carries out gas-water separation, and the exhaust chamber can be with the air discharge of intensification, prevents that the dewfall phenomenon from appearing in the mouth of pipe, has effectively reduced cooling module's work load, has prolonged the life of equipment.
Optionally, the inside many cooling tubes that are provided with of evaporimeter, many the horizontal interval arrangement of cooling tube just communicates each other, the cooling tube is used for circulating the coolant liquid.
Through adopting above-mentioned technical scheme, many cooling tube can let the area of contact increase of coolant liquid and compressed air, have promoted the cooling effect.
Optionally, the bottom of the gas-water separator is provided with two drain pipes, and the two drain pipes are respectively provided with a manual ball valve and an automatic drain valve.
Through adopting above-mentioned technical scheme, gas-water separator can also discharge water through manual ball valve when automatic drain valve breaks down through automatic drain valve with the water discharge through automatic drain valve.
Optionally, the water circulation assembly includes an air-cooled condenser, a dry filter, a window, and a secondary condenser, one end of the air-cooled condenser is connected to the compressor, the other end of the air-cooled condenser is connected to the secondary condenser, the secondary condenser is disposed in the exhaust chamber, the secondary condenser is located between the exhaust hole and the exhaust pipe, the dry filter is disposed between the evaporator and the secondary condenser, and the window is disposed on a connecting pipe between the dry filter and the heat exchanger.
Through adopting above-mentioned technical scheme, the air-cooled condenser is used for liquefying the refrigerant, and the heat is taken away to the recirculated cooling water, and drier-filter is used for filtering impurity to the coolant liquid, and the window is used for connecting outside detection device, makes things convenient for the staff to detect, and secondary condenser carries out the heat exchange with the refrigerant of high temperature and makes the temperature of export improve, prevents effectively that the dewfall phenomenon from appearing in the mouth of pipe. Above-mentioned circulation subassembly can effectually utilize the temperature of coolant liquid to cool down and heat compressed air, has effectively reduced cooling module's work load, has ensured the air quality.
Optionally, a heat dissipation fan is disposed at one end of the air-cooled condenser, the heat dissipation fan blows air directly towards the main body of the air-cooled condenser, and a mounting rack is disposed outside the heat dissipation fan and connected to two ends of the air-cooled condenser.
By adopting the technical scheme, the cooling medium is liquefied by directly blowing air towards the air-cooled condenser by the cooling fan, the outside air temperature is effectively utilized, the cooling fan is easy to obtain, the cost is low, the wind energy is clean energy, and the mounting frame provides a stable mounting position for the cooling fan.
Optionally, the detection control assembly comprises an installation cabinet, an air inlet temperature meter, an air outlet temperature meter, an air inlet pressure gauge, an air outlet pressure gauge, a refrigerant high pressure gauge and a refrigerant low pressure gauge, the mounting cabinet is arranged on the box body, the air inlet pressure gauge is arranged on the air inlet pipeline, the air outlet pressure gauge, the air inlet temperature gauge, the air outlet temperature gauge, the refrigerant high pressure gauge and the refrigerant low pressure gauge are all arranged on the surface of the box body, the air inlet temperature gauge and the air inlet pressure gauge are both connected to the air inlet pipeline, the air outlet temperature gauge and the air outlet pressure gauge are both connected to the air outlet pipeline, the refrigerant high-pressure meter is connected to a connecting pipeline of the compressor and the evaporator, and the refrigerant low-pressure meter is connected to a connecting pipeline of the compressor and the secondary condenser.
Through adopting above-mentioned technical scheme, the installation cabinet provides stable mounted position for above-mentioned determine module, and air inlet manometer and air outlet manometer are used for detecting the pressure of admission line and the pipeline of giving vent to anger when normal operating, and the staff of being convenient for observes inside atmospheric pressure. Air inlet thermometer and air outlet thermometer can help the staff to know the temperature of entry and export fast, and refrigerant high-pressure table and refrigerant low-pressure table are used for detecting cooling cycle subassembly's high-pressure end and low pressure end respectively, and the staff can judge whether normal according to above-mentioned device internal structure fast, makes things convenient for the staff to investigate the trouble, can also adjust the inside pressure of hydrologic cycle subassembly through automatically controlled compressor.
Optionally, the safety protection assembly includes an expansion valve, a hot gas bypass valve, a high-low pressure protection switch, a filling valve and an anti-freezing switch, the expansion valve is disposed on a connecting pipeline between the dry filter and the evaporator, one end of the hot gas bypass valve is connected to a connecting pipeline between the compressor and the secondary condenser, the other end of the hot gas bypass valve is connected to a connecting pipeline between the expansion valve and the evaporator, one end of the high-low pressure protection switch is connected to a connecting pipeline between the evaporator and the compressor, the other end of the high-low pressure protection switch is connected to a connecting pipeline between the hot gas bypass valve and the evaporator, the filling valve is disposed on a connecting pipeline between the compressor and the secondary condenser, and the anti-freezing switch is disposed on a connecting pipeline between the air-cooled condenser and the compressor, and the anti-freezing switch is electrically connected with the cooling fan.
By adopting the technical scheme, the expansion valve enables a medium-temperature high-pressure liquid refrigerant to be throttled into low-temperature low-pressure wet steam, then the refrigerant absorbs heat in the evaporator to achieve a refrigeration effect, the expansion valve controls the flow of the valve through the change of superheat degree at the tail end of the evaporator to prevent the phenomena of insufficient utilization of the area of the evaporator and cylinder knocking, the hot gas bypass valve is automatically opened when the internal temperature is too low, the internal high-temperature medium can effectively prevent the internal icing phenomenon, the circulation of cooling liquid in the water circulation component is effectively protected, the high-low pressure protection switch can cut off the circulation of the cooling liquid in the internal pipeline when the internal pressure of the pipeline exceeds a set value, the water circulation component is protected, the filling valve is used for controlling the cooling liquid discharged by the compressor, the stability of the internal pressure of the water circulation component is effectively ensured, and the anti-freezing switch can control the internal temperature of the pipeline through the electric control cooling fan, prevent that inside temperature is crossed lowly and is caused the phenomenon of icing, lead to the pipeline to damage.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the box provides stable mounted position for other subassemblies, and after the air got into cooling module, cooling module carried out dual cooling to inside compressed air through air current and coolant liquid, and cooling module discharges the gas-water separation in with compressed air, and the cooling water after the heat exchange discharges the compressor through cooling module and carries out the pressure boost, recycles to air-out pipeline and heats the air, discharges through the outlet of water circulation subassembly. The circulating structure fully utilizes the resource of the temperature of outlet air, reduces the load of the cooling assembly, prolongs the service life of the equipment, the detection control assembly can enable workers to quickly acquire the internal information of the equipment, and the detection control assembly is electrically controlled by the compressor to adjust the internal water pressure of the water circulating assembly, and the safety protection assembly is used for protecting the water circulating assembly and preventing the equipment from being damaged due to abnormal pressure intensity;
2. the cooling fan blows air directly towards the air-cooled condenser to liquefy the refrigerant, the outside air temperature is effectively utilized, the cooling fan is easy to obtain, the cost is low, wind energy is clean energy, and the mounting frame provides a stable mounting position for the cooling fan.
Drawings
Fig. 1 is a schematic structural view of an air-cooled freeze dryer according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the principle of the air-cooled freeze dryer according to the embodiment of the present application.
Description of reference numerals: 1. a box body; 2. a cooling assembly; 3. a water circulation assembly; 4. detecting a control component; 5. a safety shield assembly; 6. a compressor; 11. an alarm light; 12. a signal receiving module; 13. a control module; 14. mounting a plate; 15. a buzzer; 16. heat dissipation holes; 21. An air-cooled front-mounted cooler; 22. a heat exchanger; 23. an evaporator; 24. a gas-water separator; 221. an air intake chamber; 222. an exhaust chamber; 25. a manual ball valve; 26. an automatic drain valve; 27. An exhaust fan; 28. a blowoff valve; 31. an air-cooled condenser; 32. drying the filter; 33. A window; 34. a secondary condenser; 35. a cooling fan; 41. installing a cabinet; 42. an air inlet temperature gauge; 43. an air outlet thermometer; 44. an air inlet pressure gauge; 45. an air outlet pressure gauge; 46. a refrigerant high pressure gauge; 47. a refrigerant low pressure gauge; 51. an expansion valve; 52. a hot gas bypass valve; 53. a high-low voltage protection switch; 54. a filling valve; 55. an anti-freezing switch.
Detailed Description
The present application is described in further detail below with reference to fig. 1 and 2.
The embodiment of the application discloses air-cooled freezing type dryer. Referring to fig. 1 and 2, the air-cooled freezing dryer includes a cabinet 1, a cooling module 2, a detection control module 4, a water circulation module 3, a safety protection module 5, and a compressor 6.
The box body 1 is provided with an alarm lamp 11 and a buzzer 15 at one corner of the top of the alarm lamp, the box body 1 is further provided with a detachable mounting plate 14, the signal receiving module 12 and the control module 13 are arranged in the box body 1 and are located on the inner side of the mounting plate 14, and the mounting plate 14 protects the signal receiving module 12 and the control module 13 and facilitates maintenance. Signal reception module 12 electricity is connected in detection control assembly 4 and control module 13, control module 13 electricity is connected in siren 11 and bee calling organ 15, when detection control assembly 4 detects that the inside temperature of equipment or pressure exceed and set up the numerical value, detection control assembly 4 transmits information for signal reception module 12, signal reception module 12 transmits information for control module 13, control module 13 is automatically controlled to begin supplementary warning work in warning light 11 and bee calling organ 15, the staff of being convenient for notices and observes, make equipment failure handle more timely.
Cooling module 2 sets up on box 1, and cooling module 2 is provided with inlet duct and the pipeline of giving vent to anger respectively, and water circulation subassembly 3 leads to pipe connection in cooling module 2, and water circulation subassembly 3 still connects in compressor 6, and compressor 6 sets up and the interior bottom of box 1, and detection control assembly 4 sets up on box 1, and detection control assembly 4 electricity connects in compressor 6, and compressor 6 is used for carrying out the pressure boost to water circulation subassembly 3. After the air got into cooling module 2, cooling module carried out dual cooling to inside compressed air through air current and coolant liquid, and cooling efficiency promotes greatly, and cooling module 2 discharges the gas-water separation in the compressed air, and the cooling water after the heat exchange discharges into compressor 6 through cooling module 2 and carries out the pressure boost, recycles to air-out pipeline and heats the air, and the cooling water after the heating is circulated to refrigerant department cooling, circulates. This circulation structure make full use of the resource of export air temperature, reduced the load of cooling module 2, prolonged the life of equipment, detection control assembly 4 can let the staff acquire the internal information of this equipment fast to automatically controlled in compressor 6 through detection control assembly 4 adjusts the inside water pressure of water circulation subassembly 3, safety protection subassembly 5 is used for protecting water circulation subassembly 3, prevents to lead to the equipment to damage because of the pressure anomaly.
The cooling assembly 2 comprises an air-cooled pre-cooler 21, a heat exchanger 22, an evaporator 23 and a gas-water separator 24, wherein the evaporator 23 is arranged inside the box body 1 and horizontally arranged, the heat exchanger 22 and the air-cooled pre-cooler 21 are both provided with connecting pipes, the heat exchanger 22 is communicated with the evaporator 23 through the connecting pipes, the air-cooled pre-cooler 21 is communicated with the heat exchanger 22 through the connecting pipes, the heat exchanger 22 is horizontally arranged above the evaporator 23, the air-cooled pre-cooler 21 and the heat exchanger 22 are positioned at the same height, the air-cooled pre-cooler 21 is arranged close to the heat exchanger 22, the gas-water separator 24 is vertically arranged on the box body 1 and positioned at one side of the evaporator 23, one end of the gas-water separator 24 is communicated with the evaporator 23, and the other end of the gas-water separator 24 is communicated with the heat exchanger 22. Compressed air enters the air-cooled pre-cooler 21 through the air inlet pipeline to be primarily cooled, the compressed air flows into the evaporator 23 through heat exchange, the compressed air exchanges heat with a refrigerant inside the evaporator 23, heat in the compressed air is taken away by the refrigerant, the temperature of the compressed air is rapidly reduced to reach a saturation temperature, moisture in the compressed air is condensed into water drops and is separated and discharged through the air-water separator 24, the compressed air flows into the exhaust chamber 222 of the evaporator 23 again to exchange heat with the compressed air in the air inlet chamber 221 to raise the temperature, the phenomenon of condensation of the air outlet pipeline due to excessive temperature difference is prevented, the air quality is effectively guaranteed, meanwhile, a cold source of outlet air is fully utilized, and the work load of the cooling assembly 2 of the equipment is reduced.
The air-cooled pre-cooler 21 is provided with an exhaust fan 27, the exhaust fan 27 is used for blowing air towards the air-cooled pre-cooler 21, an air inlet pipeline is arranged at one end of the air-cooled pre-cooler 21, the other end of the air-cooled pre-cooler 21 is communicated with the heat exchanger 22, and one side of the air-cooled pre-cooler 21 is also provided with a manual blowdown valve 28. The fan directly blows the air-cooled front cooler 21, can effectively utilize the outside air temperature, makes inside compressed air carry out preliminary cooling, and the fan is easily acquireed simultaneously, simple structure, and convenient to use has effectively avoided the waste of water resource, and manual blowoff valve 28 can be discharged the moisture and the impurity that the inside air of air-cooled front cooler 21 carried.
The heat exchanger 22 is divided into an air inlet chamber 221 and an air outlet chamber 222, the air inlet chamber 221 is communicated with the air-cooled pre-cooler 21 and the evaporator 23, the air outlet chamber 222 is communicated with the air-water separator 24, a plurality of air outlet holes are arranged in the air outlet chamber 222, an air outlet pipeline is positioned at one end of the heat exchanger 22, and the air outlet holes are communicated with the air outlet pipeline. The air inlet chamber 221 and the air outlet chamber 222 are convenient for heat exchange by utilizing compressed air at an inlet, the air inlet chamber 221 can discharge the air after temperature reduction into the evaporator 23 for gas-water separation, the air outlet chamber 222 can discharge the air after temperature rise, the condensation phenomenon at the pipe orifice is prevented, the work load of the cooling assembly 2 is effectively reduced, and the service life of the equipment is prolonged. The inside many cooling tubes that are provided with of evaporimeter 23, many cooling tube horizontal interval arrangement and intercommunication each other, the cooling tube is used for the circulation coolant liquid. Many cooling pipelines can let the area of contact increase of coolant liquid and compressed air, have promoted the cooling effect.
The bottom of the gas-water separator 24 is provided with two water discharge pipes which are respectively provided with a manual ball valve 25 and an automatic water discharge valve 26. The moisture separator 24 may drain water through an automatic drain valve 26 and may also drain water through a manual ball valve 25 in the event of a malfunction of the automatic drain valve 26.
The water circulation unit 3 includes an air-cooled condenser 31 having one end connected to the compressor 6, a dry filter 32 having the other end connected to the secondary condenser 34, a window 33, and a secondary condenser 34, the secondary condenser 34 being disposed in the exhaust chamber 222 with the secondary condenser 34 being located between the exhaust hole and the exhaust duct, the dry filter 32 being disposed between the evaporator 23 and the secondary condenser 34, and the window 33 being disposed on a connection duct of the dry filter 32 and the heat exchanger 22. The air-cooled condenser 31 is used for liquefying a refrigerant, the heat is taken away by circulating cooling water, the drying filter 32 is used for filtering impurities of the cooling liquid, the window 33 is used for connecting an external detection device, detection of workers is facilitated, the secondary condenser 34 and the high-temperature refrigerant are subjected to heat exchange to enable the temperature of an outlet to be increased, and the phenomenon of condensation at a pipe opening is effectively prevented. Above-mentioned circulation subassembly can effectually utilize the temperature of coolant liquid to cool down and heat compressed air, has effectively reduced cooling module 2's work load, has ensured the air quality.
One end of the condenser 31 is provided with a heat dissipating fan, which blows air directly towards the main body of the condenser 31, and the heat dissipating fan is provided with a mounting bracket outside to connect to the two ends of the condenser 31. The cooling fan blows air directly towards the air-cooled condenser 31 to liquefy the refrigerant, the outside air temperature is effectively utilized, the cooling fan is easy to obtain, the cost is low, wind energy is clean energy, and the mounting frame provides a stable mounting position for the cooling fan.
The detection control assembly 4 comprises an installation cabinet 41, an air inlet temperature meter 42, an air outlet temperature meter 43, an air inlet pressure meter 44, an air outlet pressure meter 45, a refrigerant high pressure meter 46 and a refrigerant low pressure meter 47, the installation cabinet 41 is arranged on the box body 1, the air inlet pressure meter 44 is arranged on an air inlet pipeline, the air outlet pressure meter 45, the air inlet temperature meter 42, the air outlet temperature meter 43, the refrigerant high pressure meter 46 and the refrigerant low pressure meter 47 are arranged on the surface of the box body 1, the air inlet temperature meter 42 and the air inlet pressure meter 44 are connected to the air inlet pipeline, the air outlet temperature meter 43 and the air outlet pressure meter 45 are connected to the air outlet pipeline, the refrigerant high pressure meter 46 is connected to a connecting pipeline of the compressor 6 and the evaporator 23, and the refrigerant low pressure meter 47 is connected to a connecting pipeline of the compressor 6 and the secondary condenser 34. The mounting cabinet 41 provides a stable mounting position for the above-mentioned detection assembly, and the air inlet pressure gauge 44 and the air outlet pressure gauge 45 are used for detecting the pressure of the air inlet pipeline and the air outlet pipeline during normal operation, so that the staff can observe the internal air pressure conveniently. Air inlet thermometer 42 and air outlet thermometer 43 can help the staff to know the temperature of entry and export fast, and refrigerant high-pressure gauge 46 and refrigerant low-pressure gauge 47 are used for detecting cooling cycle subassembly's high-pressure end and low-pressure end respectively, and the staff can judge whether inner structure is normal fast according to above-mentioned device, makes things convenient for the staff to investigate the trouble, can also adjust 3 internal pressure of hydrologic cycle subassemblies through automatically controlled compressor 6.
The safety assembly 5 includes an expansion valve 51, a hot gas bypass valve 52, a high and low pressure protection switch 53, a charging valve 54 and an anti-freezing switch 55, the expansion valve 51 is disposed on a connection pipe of the dry filter 32 and the evaporator 23, one end of the hot gas bypass valve 52 is connected to a connection pipe of the compressor 6 and the secondary condenser 34, the other end of the hot gas bypass valve 52 is connected to a connection pipe of the expansion valve 51 and the evaporator 23, one end of the high and low pressure protection switch 53 is connected to a connection pipe of the evaporator 23 and the compressor 6, the other end of the high and low pressure protection switch 53 is connected to a connection pipe of the hot gas bypass valve 52 and the evaporator 23, the charging valve 54 is disposed on a connection pipe of the compressor 6 and the secondary condenser 34, the anti-freezing switch 55 is disposed on a connection pipe of the air-cooled condenser 31 and the compressor 6, and the anti-freezing switch 55 is electrically connected to the heat radiation fan. The expansion valve 51 throttles the medium-temperature high-pressure liquid refrigerant into low-temperature low-pressure wet steam, then the refrigerant absorbs heat in the evaporator 23 to achieve a refrigeration effect, the expansion valve 51 controls the flow of a valve through the change of superheat at the tail end of the evaporator 23 to prevent the phenomena of insufficient utilization of the area of the evaporator 23 and cylinder knocking, the hot gas bypass valve 52 is automatically opened when the internal temperature is too low, the internal high-temperature medium can effectively prevent the internal icing phenomenon, the circulation of the cooling liquid in the water circulation component 3 is effectively protected, the high-low pressure protection switch 53 can cut off the circulation of the cooling liquid in the internal pipeline when the internal pressure of the pipeline exceeds a set value, the water circulation component 3 is protected, the filling valve 54 is used for controlling the cooling liquid discharged by the compressor 6, the stability of the internal pressure of the water circulation component 3 is effectively guaranteed, and the anti-freezing switch 55 can control the internal temperature of the pipeline through an electric control heat dissipation fan, prevent that inside temperature is crossed lowly and is caused the phenomenon of icing, lead to the pipeline to damage.
The implementation principle of the air-cooled freezing type dryer in the embodiment of the application is as follows: after the air got into cooling module 2, cooling module carried out dual cooling to inside compressed air through air current and coolant liquid, and cooling module 2 discharges the gas-water separation in the compressed air, and the cooling water after the heat exchange discharges into compressor 6 through cooling module 2 and carries out the pressure boost, recycles to air-out pipeline and heats the air, and the cooling water after the heating gets back to refrigerant department again and cools down, circulates. This circulation structure make full use of the resource of export air temperature, reduced the load of cooling module 2, prolonged the life of equipment, detection control assembly 4 can let the staff acquire the internal information of this equipment fast to automatically controlled in compressor 6 through detection control assembly 4 adjusts the inside water pressure of water circulation subassembly 3, safety protection subassembly 5 is used for protecting water circulation subassembly 3, prevents to lead to the equipment to damage because of pressure or temperature are unusual.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an air-cooled refrigeration dryer which characterized in that: the device comprises a box body (1), a cooling assembly (2), a detection control assembly (4), a water circulation assembly (3), a safety protection assembly (5) and a compressor (6), wherein the cooling assembly (2) is arranged in the box body (1), the cooling assembly (2) is respectively provided with an air inlet pipeline and an air outlet pipeline, the water circulation assembly (3) is connected to the cooling assembly (2) through a water pipe, the water circulation assembly (3) is further connected to the compressor (6), the compressor (6) is arranged at the inner bottom of the box body (1), the detection control assembly (4) is arranged on the box body (1), the detection control assembly (4) is electrically connected to the compressor (6), and the compressor (6) is used for pressurizing the water circulation assembly (3).
2. The air-cooled freeze-dryer of claim 1, wherein: the cooling assembly (2) comprises an air-cooled pre-cooler (21), a heat exchanger (22), an evaporator (23) and a gas-water separator (24),
the evaporator (23) is arranged on the box body (1) and is horizontally arranged, the heat exchanger (22) and the air-cooled front cooler (21) are both provided with connecting pipes, the heat exchanger (22) is communicated with the evaporator (23) through the connecting pipes, the air-cooled front cooler (21) is communicated with the heat exchanger (22) through the connecting pipes, the heat exchanger (22) is horizontally arranged above the evaporator (23), the air-cooled front cooler (21) and the heat exchanger (22) are positioned at the same height, the air-cooled front cooler (21) is arranged close to the heat exchanger (22), the gas-water separator (24) is vertically arranged on the box body (1) and positioned at one side of the evaporator (23), one end of the gas-water separator (24) is communicated with the evaporator (23), the other end of the gas-water separator (24) is communicated with the heat exchanger (22).
3. The air-cooled freeze-dryer of claim 2, wherein: the air-cooled pre-cooler (21) is provided with an exhaust fan (27), the exhaust fan (27) is used for blowing air towards the air-cooled pre-cooler (21), the air inlet pipeline is arranged at one end of the air-cooled pre-cooler (21), the other end of the air-cooled pre-cooler (21) is communicated with the heat exchanger (22), and one side of the air-cooled pre-cooler (21) is further provided with a manual blow-off valve (28).
4. The air-cooled freeze-dryer of claim 3, wherein: the heat exchanger (22) is divided into an air inlet chamber (221) and an air outlet chamber (222), the air inlet chamber (221) is communicated with the air-cooled pre-cooler (21) and the evaporator (23), the air outlet chamber (222) is communicated with the gas-water separator (24), a plurality of air outlet holes are formed in the air outlet chamber (222), the air outlet pipeline is located at one end of the heat exchanger (22), and the air outlet holes are communicated with the air outlet pipeline.
5. The air-cooled freeze-dryer of claim 4, wherein: the inside many cooling tubes that are provided with of evaporimeter (23), many the horizontal interval arrangement of cooling tube just communicates each other, the cooling tube is used for circulating the coolant liquid.
6. The air-cooled freeze-dryer of claim 5, wherein: the bottom of the gas-water separator (24) is provided with two drain pipes, and the two drain pipes are respectively provided with a manual ball valve (25) and an automatic drain valve (26).
7. The air-cooled freeze-dryer of claim 6, wherein: the water circulation assembly (3) comprises an air-cooled condenser (31), a drying filter (32), a window (33) and a secondary condenser (34), wherein one end of the air-cooled condenser (31) is connected to the compressor (6), the other end of the air-cooled condenser (31) is connected to the secondary condenser (34), the secondary condenser (34) is arranged in the exhaust chamber (222), the secondary condenser (34) is positioned between the exhaust hole and the exhaust pipeline, the drying filter (32) is arranged between the evaporator (23) and the secondary condenser (34), and the window (33) is arranged on a connecting pipeline of the drying filter (32) and the heat exchanger (22).
8. The air-cooled freeze-dryer of claim 7, wherein: the air-cooled condenser (31) includes a heat radiation fan, and the heat radiation fan blows air toward the cooling liquid circulating in the air-cooled condenser (31).
9. The air-cooled freeze-dryer of claim 8, wherein: the detection control assembly (4) comprises an installation cabinet (41), an air inlet temperature meter (42), an air outlet temperature meter (43), an air inlet pressure meter (44), an air outlet pressure meter (45), a refrigerant high pressure meter (46) and a refrigerant low pressure meter (47), the installation cabinet (41) is arranged on the box body (1), the air inlet pressure meter (44) is arranged on the air inlet pipeline, the air outlet pressure meter (45), the air inlet temperature meter (42), the air outlet temperature meter (43), the refrigerant high pressure meter (46) and the refrigerant low pressure meter (47) are all arranged on the surface of the installation cabinet (41), the air inlet temperature meter (42) and the air inlet pressure meter (44) are all connected to the air inlet pipeline, and the air outlet temperature meter (43) and the air outlet pressure meter (45) are all connected to the air outlet pipeline, the refrigerant high pressure gauge (46) is connected to a connecting pipeline of the compressor (6) and the evaporator (23), and the refrigerant low pressure gauge (47) is connected to a connecting pipeline of the compressor (6) and the secondary condenser (34).
10. The air-cooled freeze-dryer of claim 9, wherein: the safety protection assembly (5) comprises an expansion valve (51), a hot gas bypass valve (52), a high-low pressure protection switch (53), a filling valve (54) and an anti-freezing switch (55), wherein the expansion valve (51) is arranged on a drying filter (32) and a connecting pipeline of an evaporator (23), one end of the hot gas bypass valve (52) is connected to the compressor (6) and the connecting pipeline of the secondary condenser (34), the other end of the hot gas bypass valve (52) is connected to the expansion valve (51) and the connecting pipeline of the evaporator (23), one end of the high-low pressure protection switch (53) is connected to the evaporator (23) and the connecting pipeline of the compressor (6), the other end of the high-low pressure protection switch (53) is connected to the hot gas bypass valve (52) and the connecting pipeline of the evaporator (23), the charging valve (54) is arranged on a connecting pipeline of the compressor (6) and the secondary condenser (34), the anti-freezing switch (55) is arranged on a connecting pipeline of the air-cooled condenser (31) and the compressor (6), and the anti-freezing switch (55) is electrically connected to the cooling fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122098146.2U CN216132174U (en) | 2021-09-01 | 2021-09-01 | Air-cooled freezing type dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122098146.2U CN216132174U (en) | 2021-09-01 | 2021-09-01 | Air-cooled freezing type dryer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337760A (en) * | 2022-08-11 | 2022-11-15 | 广东领环净化设备有限公司 | A freeze dryer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337760A (en) * | 2022-08-11 | 2022-11-15 | 广东领环净化设备有限公司 | A freeze dryer |
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