CN219111272U - Cold dryer with built-in gas-liquid separation net - Google Patents
Cold dryer with built-in gas-liquid separation net Download PDFInfo
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- CN219111272U CN219111272U CN202223394163.1U CN202223394163U CN219111272U CN 219111272 U CN219111272 U CN 219111272U CN 202223394163 U CN202223394163 U CN 202223394163U CN 219111272 U CN219111272 U CN 219111272U
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Abstract
The utility model belongs to the technical field of cold and dry machines, and particularly relates to a cold and dry machine with a built-in gas-liquid separation net, which comprises a shell assembly, an evaporator assembly, a condenser assembly and a precooler assembly, wherein a drain valve is arranged at the bottom of a shell-and-tube heat exchanger of the precooler assembly, and a water gas outlet and a dry gas inlet of the drain valve are arranged at two ends of a side wall; the evaporator assembly comprises a horizontal evaporation tank, a finned tube type heat exchanger arranged at the front end of the horizontal evaporation tank, and a gas-liquid separation net obliquely arranged at the rear end of the horizontal evaporation tank, wherein an air inlet and an air outlet of the evaporation tank are respectively connected with a water-gas outlet and a dry gas inlet through elbows, and an automatic drainer is arranged in a water storage tank at the bottom of the water collecting chamber; the condenser assembly comprises a finned tube type condenser and a refrigerant compressor, an exhaust fan is arranged on a top plate, and the finned tube type condenser and the finned tube type heat exchanger form a refrigerant circulation channel through the refrigerant compressor, a refrigerant filter and an expansion valve; on the premise of ensuring the drying effect of the compressed air, an independent gas-liquid separator is omitted, the assembly efficiency of the cold dryer is improved, and the manufacturing cost is saved.
Description
Technical Field
The utility model belongs to the technical field of cold drying machines, and particularly relates to a cold drying machine with a built-in gas-liquid separation net.
Background
The cold dryer is short for the freeze dryer, and has the main function of dewatering and drying compressed air, and the internal structure of the cold dryer mainly comprises a precooler, an evaporator, a refrigerant tank, a compressor, a condenser, a gas-water separator and other parts. The freeze drying process of the cold dryer on the compressed air is approximately as follows: the water-containing compressed air is primarily cooled by a precooler and then is sent to an evaporator for secondary freezing and water removal, then condensed water in the compressed air is separated and precipitated by a gas-liquid separator, and finally the dried compressed air is discharged and conveyed to a compressed air pipe network after being regenerated by the precooler. The existing cold dryer adopts a tank type gas-liquid separator which is arranged independently, the manufacturing process of the gas-liquid separator is complex, a great deal of manpower and material resource cost is required to be consumed, the volume and the weight of the gas-liquid separator are large, more installation space and assembly time are required to be occupied, the weight reduction of the equipment is not facilitated, and the manufacturing efficiency of the cold dryer is also influenced.
Disclosure of Invention
Aiming at the situation, the utility model designs the cold dryer with the built-in gas-liquid separation net, on the premise of ensuring the drying effect on compressed air, an independent gas-liquid separator is omitted, the dead weight of equipment is reduced, the assembly efficiency of the cold dryer is improved, and the manufacturing cost of the cold dryer is saved.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a cold dry machine of built-in gas-liquid separation net, includes casing subassembly and sets up at inside evaporator subassembly, condenser subassembly and the precooler subassembly of casing subassembly, casing subassembly includes base, backplate, roof, left side board, right side board and the positive panel of assembling according to the cuboid structure combination.
The precooler component comprises a shell-and-tube heat exchanger, a water-gas inlet for introducing water-containing compressed air is formed in the front end of a shell side of the shell-and-tube heat exchanger according to the flowing direction of media, a water-gas outlet is formed in the rear end of the shell side of the shell-and-tube heat exchanger, a dry gas inlet is formed in the front end of the tube side of the shell-and-tube heat exchanger, a dry gas outlet for outputting dry compressed air is formed in the rear end of the tube side of the shell-and-tube heat exchanger, a water collecting pipe is arranged at the bottom of the rear end of the shell side of the shell-and-tube heat exchanger, a drain valve for discharging primary condensate water is arranged at the lower end of the water collecting pipe, the water-gas inlet and the dry gas outlet face the back plate and penetrate out of the back plate, and the water-gas outlet and the dry gas inlet are respectively formed in two ends of the side of the shell-and-tube heat exchanger, which are far away from the back plate.
The evaporator assembly comprises a horizontal evaporation tank, a finned tube type heat exchanger and a gas-liquid separation net, wherein the front section inside the horizontal evaporation tank is a condensation chamber, the rear section inside the horizontal evaporation tank is a water collecting chamber, the finned tube type heat exchanger is coaxially arranged in the condensation chamber, the gas-liquid separation net is a disc-shaped filter net formed by winding stainless steel mesh belts, the front part of the gas-liquid separation net is obliquely erected in the water collecting chamber in a high-low mode, an air inlet is fixedly arranged above the front end of the horizontal evaporation tank and is connected with a water vapor outlet through a first elbow, an air outlet is fixedly arranged above the rear end of the horizontal evaporation tank and is connected with a dry gas inlet through a second elbow, the first elbow and the second elbow are right-angle elbows, a first refrigerant inlet and a first refrigerant outlet which are respectively connected with two ends of the finned tube type heat exchanger are fixedly connected with each other, a water storage tank is fixedly arranged at the bottom of the water collecting chamber, a water outlet is arranged on the side wall of the water storage tank, and an automatic water draining device is arranged on the water outlet.
The condenser assembly comprises a finned tube type condenser and a refrigerant compressor, wherein the finned tube type condenser is fixedly connected to the inner side of a back plate, a grid-shaped vent corresponding to the finned tube type condenser is formed in the back plate, an exhaust fan is arranged on the top plate, two ends of a refrigerant coil of the finned tube type condenser are respectively provided with a second refrigerant inlet and a second refrigerant outlet, the refrigerant compressor is fixed above a horizontal evaporation tank through a compressor seat, a refrigerant filter and an expansion valve are arranged on the outer side of the finned tube type condenser, the first refrigerant outlet is connected to the second refrigerant inlet through the refrigerant compressor, and the second refrigerant outlet is connected to the first refrigerant inlet through the second refrigerant filter and the expansion valve.
Further, two exhaust fans are symmetrically arranged on the top plate of the shell assembly, the exhaust fans adopt axial flow fans, and a protective net cover is arranged on an air outlet at the top of the exhaust fans.
Further, be provided with electric cabinet and operating panel on the front panel of casing subassembly for to the operation control of cold dry machine, the electric cabinet is provided with the side that can switch and opens the door, and the side is opened the door one side and is rotatably connected with the left side board of casing subassembly through the hinge, and the opposite side is through electric cabinet lock and front panel switch padlock, makes the door opening and the locking of electric cabinet more convenient.
Further, the outer end parts of the water gas inlet and the dry gas outlet penetrating out of the back plate are fixedly provided with flange plates, and the flange plates are matched with the water-containing compressed air inlet pipe and the dry compressed air outlet pipe to realize flange sealing connection, so that the whole installation and the disassembly of the cold dryer equipment are facilitated.
Preferably, the refrigerant circulating in the finned tube type heat exchanger and the finned tube type condenser is Freon, so that the finned tube type heat exchanger and the finned tube type condenser are high in chemical stability, easy in gas-liquid phase change, high in operation safety, low in cost, easy to obtain and high in economy.
The utility model also comprises other components which can be used normally, which are conventional means in the art, and in addition, devices or components which are not limited in the utility model, such as a shell-and-tube heat exchanger, a finned tube condenser, a refrigerant compressor, a refrigerant filter, an expansion valve and the like, all adopt the prior art in the field.
The beneficial effects of the utility model are as follows:
the pre-cooler of the utility model adopts the traditional shell-and-tube heat exchanger, but the water vapor outlet and the dry gas inlet of the pre-cooler are arranged at the middle height of the side wall, so that condensed water condensed by the pre-cooler can be discharged from the drain valve at the bottom of the pre-cooler, thereby reducing the burden of secondary freeze drying of the subsequent evaporator, simultaneously, the gas-liquid separation net is integrated in the evaporator, saving the problems of a single external gas-liquid separator, being beneficial to reducing the equipment volume and the self weight of the cold dryer, simplifying the production process, completely guaranteeing the drying effect on compressed air, improving the manufacturing efficiency of the cold dryer and saving the production cost of the cold dryer.
Drawings
Fig. 1 is a schematic perspective view of a front view of a dryer in an embodiment.
Fig. 2 is a schematic perspective view of the backside view of the air dryer in fig. 1.
Fig. 3 is a perspective view showing an internal structure of the air dryer in fig. 1.
Fig. 4 is a front view schematically showing the internal structure of the air dryer in fig. 3.
Fig. 5 is a right side view schematically showing the internal structure of the intercooler of fig. 4.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below in connection with specific embodiments, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments.
Examples
As shown in fig. 1-2, a cooling dryer with a built-in gas-liquid separation net comprises a shell assembly, and an evaporator assembly, a condenser assembly and a precooler assembly which are arranged in the shell assembly, wherein the shell assembly comprises a base 1, a back plate 2, a top plate 3, a left side plate 4, a right side plate 5 and a front plate 6 which are assembled according to a cuboid structure.
As shown in fig. 3-5, the precooler assembly comprises a shell-and-tube heat exchanger, a water-gas inlet 7 for introducing water-containing compressed air is arranged at the front end of the shell side of the shell-and-tube heat exchanger according to the flowing direction of media, a water-gas outlet 8 is arranged at the rear end of the shell side of the shell-and-tube heat exchanger, a dry-gas inlet 9 is arranged at the front end of the tube side of the shell-and-tube heat exchanger, a dry-gas outlet 10 for outputting dry compressed air is arranged at the rear end of the tube side of the shell-and-tube heat exchanger, a water collecting pipe 11 is arranged at the bottom of the rear section of the shell side of the shell-and-tube heat exchanger, a drain valve 12 for draining primary condensed water is arranged at the lower end of the water collecting pipe, the water-gas inlet and the dry-gas outlet face the back plate and penetrate from the back plate, and the water-gas outlet and the dry-gas inlet are respectively arranged at two ends of the side wall of the shell-and-tube heat exchanger far away from the back plate.
The evaporator assembly comprises a horizontal evaporation tank 13, a finned tube type heat exchanger 14 and a gas-liquid separation net 15, wherein the front section of the interior of the horizontal evaporation tank is a condensation chamber 16, the rear section of the interior of the horizontal evaporation tank is a water collecting chamber 17, the finned tube type heat exchanger is coaxially arranged in the condensation chamber, the gas-liquid separation net is a disc-shaped filter net formed by winding a stainless steel mesh belt, the front part of the gas-liquid separation net is obliquely erected in a water collecting chamber in a high-low-ground mode, an air inlet is fixedly arranged above the front end of the horizontal evaporation tank, the air inlet is connected with a water vapor outlet through a first elbow 18, an air outlet is fixedly arranged above the rear end of the horizontal evaporation tank, the air outlet is connected with a dry gas inlet through a second elbow 19, the first elbow and the second elbow are both right-angle elbows, a first refrigerant inlet 20 and a first refrigerant outlet 21 which are respectively connected with two ends of the finned tube type heat exchanger are fixedly arranged on an end cover of the horizontal evaporation tank, a fluorocarbon refrigerant medium is adopted, a water collecting tank 22 is fixedly connected to the bottom of the water collecting chamber, a water storage tank is provided with a water outlet, and an automatic water drain device 23 is arranged on the water outlet.
The condenser assembly comprises a finned tube condenser 24 and a refrigerant compressor 25, the finned tube condenser is fixedly connected to the inner side of a back plate, a grid-shaped ventilation opening 26 corresponding to the finned tube condenser is formed in the back plate, two axial flow fan exhaust fans 27 are arranged on a top plate, a protective net cover is arranged on an air outlet at the top of the top plate, during operation, the interior of a shell assembly of the cold dryer is ventilated, air is simultaneously introduced through the ventilation opening of the back plate, which is opposite to the finned tube condenser, so that the air circulation inside the cold dryer is promoted, the heat dissipation and the cooling of the finned tube condenser and the internal environment of the cold dryer are realized, a second refrigerant inlet 28 and a second refrigerant outlet 29 are respectively arranged at two ends of the refrigerant coil of the finned tube condenser, the refrigerant compressor is fixed above a horizontal evaporation tank through a compressor seat 30, a second refrigerant filter 31 and an expansion valve 32 are arranged on the outer side of the finned tube condenser, the first refrigerant outlet is connected to the second refrigerant inlet through the compressor, and the second refrigerant outlet is connected to the first refrigerant inlet through the second refrigerant filter and the expansion valve.
An electric cabinet 33 and an operation panel 34 are arranged on the front panel of the shell assembly and used for controlling the running of the dryer, the electric cabinet is provided with a side-opening door which can be opened and closed, one side of the side-opening door is rotatably connected with the left side plate of the shell assembly through a hinge 35, and the other side of the side-opening door is locked with the front panel through an electric cabinet lock 36.
The outer end parts of the water gas inlet and the dry gas outlet penetrating out of the back plate are fixedly provided with flange plates 37, and the flange plates are matched with the water-containing compressed air inlet pipe and the dry compressed air outlet pipe to realize flange sealing connection.
The action principle of the utility model is as follows:
the compressed air with higher water content enters the shell-and-tube heat exchanger from the water vapor inlet, part of water vapor in the compressed air is automatically discharged from the bottom of the shell-and-tube heat exchanger at fixed time through a primary pre-condensation knot, because the compressed air outlet of the shell-and-tube heat exchanger is arranged on the middle line height of the side wall of the shell, the compressed air after primary condensation is then delivered to the horizontal evaporator, the condensation chamber is secondarily frozen through the finned tube heat exchanger, most of water in the water-containing compressed air is thoroughly condensed, settled and dripped, meanwhile, the built-in disc type vapor-liquid separation net obliquely arranged at the rear section of the evaporator further enables the dried compressed air to permeate and pass through, the settled condensed water is more thoroughly isolated and accumulated in the water storage tank at the bottom of the water collecting chamber, then the condensed water is automatically discharged through the automatic drainer at fixed time, meanwhile, the built-in vapor-liquid separation net also plays a role in defoaming and defoaming roles on the settled condensed water, the rest of the dried compressed air is delivered to the shell-and-tube heat exchanger through the dry air outlet of the horizontal evaporator, and finally delivered to the compressed air after heat exchange with the water-containing compressed air at the water inlet through the dry air outlet.
The technical solution of the present utility model is not limited to the above-described specific embodiments, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments, and any technical modifications made within the spirit and principles of the present utility model fall within the scope of the present utility model.
Claims (6)
1. The utility model provides a cold machine that dries of built-in gas-liquid separation net, includes casing subassembly and sets up at inside evaporator unit, condenser unit and the precooler subassembly of casing subassembly, casing subassembly includes base, backplate, roof, left side board, right side board and the positive panel of assembling according to the cuboid structure combination, its characterized in that: the precooler component comprises a shell-and-tube heat exchanger, a water-gas inlet for introducing water-containing compressed air is formed in the front end of a shell pass of the shell-and-tube heat exchanger according to the flowing direction of a medium, a water-gas outlet is formed in the rear end of the shell pass, a dry gas inlet is formed in the front end of the tube pass of the shell-and-tube heat exchanger, a dry gas outlet for outputting dry compressed air is formed in the rear end of the tube pass, a water collecting pipe is arranged at the bottom of the rear section of the shell pass of the shell-and-tube heat exchanger, a drain valve for discharging primary condensate water is arranged at the lower end of the water collecting pipe, the water-gas inlet and the dry gas outlet face the backboard and penetrate out of the backboard, and the water-gas outlet and the dry gas inlet are respectively formed in two ends of the side wall, far away from the backboard, of the shell-and-tube heat exchanger; the evaporator assembly comprises a horizontal evaporation tank, a finned tube type heat exchanger and a gas-liquid separation net, wherein the front section of the interior of the horizontal evaporation tank is a condensation chamber, the rear section of the interior of the horizontal evaporation tank is a water collecting chamber, the finned tube type heat exchanger is coaxially arranged in the condensation chamber, the gas-liquid separation net is a disc-shaped filter screen formed by winding stainless steel mesh belts, the front part of the gas-liquid separation net is obliquely erected in the water collecting chamber in a high-low mode, an air inlet is fixedly arranged above the front end of the horizontal evaporation tank and is connected with a water vapor outlet through a first elbow, an air outlet is fixedly arranged above the rear end of the horizontal evaporation tank and is connected with a dry gas inlet through a second elbow, a first refrigerant inlet and a first refrigerant outlet which are respectively connected with two ends of the finned tube type heat exchanger are fixedly arranged on an end cover of the horizontal evaporation tank, a water storage tank is fixedly connected with the bottom of the water collecting chamber, a water outlet is arranged on the side wall of the water storage tank, and an automatic water draining device is arranged on the water outlet; the condenser assembly comprises a finned tube type condenser and a refrigerant compressor, wherein the finned tube type condenser is fixedly connected to the inner side of a back plate, a grid-shaped vent corresponding to the finned tube type condenser is formed in the back plate, an exhaust fan is arranged on the top plate, two ends of a refrigerant coil of the finned tube type condenser are respectively provided with a second refrigerant inlet and a second refrigerant outlet, the refrigerant compressor is fixed above a horizontal evaporation tank through a compressor seat, a refrigerant filter and an expansion valve are arranged on the outer side of the finned tube type condenser, the first refrigerant outlet is connected to the second refrigerant inlet through the refrigerant compressor, and the second refrigerant outlet is connected to the first refrigerant inlet through the second refrigerant filter and the expansion valve.
2. The cold dryer with a built-in gas-liquid separation net according to claim 1, wherein: two exhaust fans are symmetrically arranged on the top plate of the shell assembly.
3. The cold dryer with a built-in gas-liquid separation net according to claim 1, wherein: an electric cabinet and an operation panel are arranged on the front panel of the shell assembly.
4. A cold dryer with a built-in gas-liquid separation net according to claim 3, wherein: the electric cabinet is provided with a side-opening door capable of being opened and closed, one side of the side-opening door is rotatably connected with the left side plate of the shell assembly through a hinge, and the other side of the side-opening door is locked with the front plate through an electric cabinet lock.
5. The cold dryer with a built-in gas-liquid separation net according to claim 1, wherein: the outer ends of the water gas inlet and the dry gas outlet, which penetrate out of the back plate, are fixedly provided with flange plates.
6. The cold dryer with a built-in gas-liquid separation net according to claim 1, wherein: the refrigerant circulating in the finned tube type heat exchanger and the finned tube type condenser is Freon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223394163.1U CN219111272U (en) | 2022-12-15 | 2022-12-15 | Cold dryer with built-in gas-liquid separation net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223394163.1U CN219111272U (en) | 2022-12-15 | 2022-12-15 | Cold dryer with built-in gas-liquid separation net |
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| Publication Number | Publication Date |
|---|---|
| CN219111272U true CN219111272U (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223394163.1U Active CN219111272U (en) | 2022-12-15 | 2022-12-15 | Cold dryer with built-in gas-liquid separation net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219111272U (en) |
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2022
- 2022-12-15 CN CN202223394163.1U patent/CN219111272U/en active Active
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