Unpowered drying machine

Abstract

The invention belongs to the technical field of drying machines, and discloses an unpowered drying machine which comprises a base and a support fixed to the top of the base, and a cooling water cooler and a chilled water cooler which communicate with each other are fixed to the top of the support. A temperature returning device communicated with the cooling water cooler and a gas-liquid separator communicated with the chilled water cooler are arranged on the cooling water cooler, a gas inlet and a gas outlet are formed in the temperature returning device, the gas outlet of the gas-liquid separator is communicated with the temperature returning device, and a flow guide pipe used for guiding high-temperature airflow into the cooling water cooler is arranged in the temperature returning device; a plurality of first partition plates and second partition plates which are alternately distributed up and down are arranged in the cooling water cooler, and a transmission mechanism used for controlling the first partition plates and the second partition plates to reciprocate in the axial direction of the cooling water cooler at the same time under the action of high-temperature airflow is arranged in the cooling water cooler. According to the unpowered drying machine, airflow dead angles and vortexes can be avoided, and the utilization rate of compressed air is increased.

Description

Technical Field

[0001] The present invention relates to the technical field of dryers, in particular to a non-powered dryer. Background Art

[0002] In industrial production, dryers are key equipment that utilizes heat to reduce moisture in materials. Compressed air plays a crucial role in their operation, often serving as a power source or a medium involved in the drying process. Before entering the dryer system, compressed air often contains a certain amount of water vapor. This water vapor content is determined by the compressed air's temperature. With pressure remaining essentially constant, higher temperatures increase the amount of water vapor it can hold. Conversely, lowering the temperature reduces the water vapor content, causing excess water vapor to condense into liquid.

[0003] Based on this characteristic, the working principles of many dryers are closely related to the processing of compressed air. For example, a freeze dryer uses refrigeration technology to cool the compressed air through a compression refrigeration system composed of a refrigeration compressor, condenser, evaporator, expansion valve, etc., condensing and separating the water vapor in it, thereby achieving drying. Adsorption dryers and dissolution dryers also need to use compressed air as the processing object, removing moisture through adsorbent adsorption or solvent reaction to obtain dry compressed air. This dried compressed air can be used in scenarios with high requirements for air source dryness, such as the production of precision electronic components, food packaging and storage, etc., to prevent moisture from affecting material or product quality.

[0004] Existing dryers include a condenser for cooling compressed air. To enhance the cooling effect of the compressed air, the condenser shell is usually provided with multiple baffles or partitions that are staggered vertically to extend the path and time of the airflow within the shell. However, dead angles are easily formed between the shell and the baffles or partitions, and the airflow easily forms vortices at the intersection. This part of the compressed air is difficult to continue to circulate and be utilized, thereby reducing the utilization efficiency of the compressed air. Summary of the Invention

[0005] In order to solve the above problems, the present invention provides a non-powered dryer.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: a non-powered dryer, comprising a base and a bracket fixed to the top of the base, a cooling water cooler and a chilled water cooler connected to each other fixed on the top of the bracket, the cooling water cooler is provided with a regenerator connected to the cooling water cooler and a gas-liquid separator connected to the chilled water cooler, the regenerator is provided with an air inlet and an air outlet, the air outlet of the gas-liquid separator is connected to the regenerator, a guide pipe for guiding high-temperature airflow into the cooling water cooler is provided in the regenerator, a plurality of first baffles and second baffles alternately distributed up and down are provided in the cooling water cooler, and a transmission mechanism is provided in the cooling water cooler for simultaneously controlling the axial reciprocating movement of the plurality of first baffles and second baffles along the cooling water cooler under the action of the high-temperature airflow.

[0007] By adopting the above technical solution, high-temperature compressed air enters the regenerator from the air inlet and enters the cooling water cooler under the action of the guide pipe. Under the action of the transmission mechanism, multiple first baffles and second baffles that are alternately distributed up and down can reciprocate along the axial direction of the cooling water cooler. This design can effectively avoid the dead angle formed between the traditional fixed baffles and the shell, reduce the airflow vortex phenomenon, ensure the utilization efficiency of compressed air, extend the residence time of the airflow in the cooling water cooler, enhance the heat exchange effect, and after the high-temperature compressed air is quickly cooled, it has the effect of separating the gas and liquid in the first stage. The airflow cooled by the cooling water cooler enters the chilled water cooler and is further cooled, and then enters the gas-liquid separator for secondary gas-liquid separation. The cooled and dried gas enters the regenerator, which has a certain pre-cooling effect on the subsequent high-temperature compressed air. Finally, the dry airflow is discharged from the air outlet and transported to the gas user.

[0008] Furthermore, a first air pipe and a second air pipe for conveying air flow are respectively provided at the bottom of the reheater and the top of the cooling water cooler. The transmission mechanism includes a wind power component and a transmission component. The wind power component includes a rotating rod, a connecting rod and a spiral blade. The rotating rod is rotatably installed on the inner bottom wall of the cooling water cooler and is coaxial with the second air pipe. A plurality of connecting rods are provided and fixed on the side walls of the rotating rod. The spiral blades are arranged around the rotating rod and fixed to the connecting rod. The number of spiral blades is equal to the number of connecting rods and their positions correspond one to one. The transmission component is used to control the synchronous movement of multiple first partitions and second partitions when the spiral blades rotate.

[0009] By adopting the above technical solution, high-temperature compressed air is transported stably by setting up the first air pipe and the second air pipe. The wind power component uses the airflow to push the spiral blades to drive the rotating rod to rotate, and combines with the transmission component to realize the synchronous movement of multiple first and second partitions. Dead corners and vortices can be avoided without additional power, thereby improving heat exchange efficiency and enhancing the gas-liquid separation effect.

[0010] Furthermore, a fixed plate is fixed on the inner bottom wall of the cooling water cooler, and the transmission assembly includes a rod body unit, a driven bevel gear and a driving bevel gear. The rod body unit includes a center rod and a reciprocating screw rod. One end of the center rod is rotatably connected to the fixed plate. There are multiple center rods and reciprocating screw rods alternately. The number of reciprocating screw rods is equal to the sum of the number of the first partition plate and the second partition plate. The reciprocating screw rod is threadedly connected to the first partition plate and the second partition plate. The driven bevel gear is coaxially fixed to the end of the center rod near the second air pipe, and the driving bevel gear is fixedly sleeved on the rotating rod and meshes with the driven bevel gear.

[0011] By adopting the above technical solution, when high-temperature compressed air blows towards the spiral blades, it can drive the rotating rod to rotate, thereby causing the active bevel gear fixed to the rotating rod, the driven bevel gear meshing with the active bevel gear, the center rod fixed to the driven bevel gear, and the reciprocating screw fixed to the center rod to rotate, so that the first partition and the second partition threadedly connected to the reciprocating screw maintain synchronous movement, eliminating airflow dead corners without additional power, and improving the cooling efficiency and utilization rate of compressed air.

[0012] Furthermore, a guide plate is fixed on the inner wall of the cooling water cooler, and the rotating rod and the center rod both pass through the guide plate and are rotatably connected. An inclined section is provided on the top of the guide plate for guiding the airflow discharged from the second air pipe to the side close to the chilled water cooler, and the driving bevel gear and the driven bevel gear are both located on the side of the guide plate away from the chilled water cooler.

[0013] By employing this technical solution, the deflector not only provides stable support for the rotating rod and center rod, but its inclined section also directs the airflow discharged from the second air pipe toward the side closest to the chilled water cooler, ensuring efficient airflow. Furthermore, the deflector separates the driving and driven bevel gears from the main airflow path, minimizing interference with the airflow and ensuring stable operation of the transmission assembly.

[0014] Furthermore, a liquid inlet pipe and a liquid outlet pipe are provided on the side wall of the cooling water cooler, and one end of the liquid inlet pipe and the liquid outlet pipe located inside the cooling water cooler are both closed. A plurality of liquid supply pipes are provided between the closed end of the liquid inlet pipe and the closed end of the liquid outlet pipe, and the liquid supply pipes pass through the fixed plate, the first partition and the second partition and are all slidably fitted.

[0015] By adopting the above technical solution, the liquid inlet pipe and the liquid outlet pipe are connected through multiple liquid supply pipes to form a cooling water circulation channel, which ensures the contact area and condensation effect with the air flow passing through the cooling water cooler, and will not interfere with the reciprocating motion of the first partition and the second partition, which is conducive to the stable operation of the equipment.

[0016] Furthermore, a lower drain pipe is provided at a position at the bottom of the cooling water cooler near the chilled water cooler, and a lower guide groove is provided on the inner bottom wall of the cooling water cooler. The lower guide groove extends from one end near the chilled water cooler into the lower drain pipe, and the height of the inner bottom wall of the lower guide groove increases from the lower drain pipe to the side away from the chilled water cooler, and the lower guide groove extends to a position close to the guide plate (ensuring the drainage effect of the condensed water in the cooling water cooler).

[0017] By adopting the above technical solution, the inner bottom wall of the lower guide groove is set at an angle, which can guide the condensed water separated in the cooling water cooler to the lower drain pipe, and cooperate with the lower drain pipe to efficiently discharge the condensed liquid.

[0018] Furthermore, an upper drain pipe is provided at the bottom of the gas-liquid separator, and a central axis, a spiral plate body and a cone body are provided inside the gas-liquid separator. The spiral plate body is fixedly sleeved on the central axis, and the outer wall of the spiral plate body is fixed to the inner wall of the gas-liquid separator. The end of the spiral plate body close to the temperature return device extends to a position close to the upper drain pipe. The cone body is fixed to the end of the central axis away from the temperature return device, and the tip of the cone body is located at the end of the central axis away from the temperature return device.

[0019] By adopting the above technical solution, the compressed air further cooled by the chilled water cooler enters the gas-liquid separator, and the air flow transitions through the cone to the air inlet of the spiral plate body. The spiral plate body has multiple spiral segments, which ensures the effect of centrifugal force on gas-liquid separation of the air flow. The separated condensed water is guided into the upper drain pipe, and the dry air enters the reheater and is finally discharged from the air outlet.

[0020] Furthermore, two upper guide grooves are symmetrically distributed about the upper drainage pipe on the inner bottom wall of the gas-liquid separator. The length direction of the upper guide groove is parallel to the axial direction of the gas-liquid separator. Both upper guide grooves extend into the upper drainage pipe, and the height of the bottom wall inside the guide groove increases from the upper drainage pipe to both sides.

[0021] By adopting the above technical solution, the inner bottom wall of the upper guide groove is set at an angle, and the two upper guide grooves cooperate to guide the condensed water centrifugally separated by the spiral plate to the upper drain pipe, thereby ensuring the gas-liquid separation effect.

[0022] Furthermore, one end of the liquid supply pipe close to the liquid inlet pipe or the liquid outlet pipe is divided into two and connected by a flange.

[0023] By adopting the above technical solution, the installation, disassembly and maintenance of the liquid supply pipe are facilitated, thereby ensuring smooth circulation of cooling water and cooling effect.

[0024] Furthermore, a plurality of fins are fixedly sleeved on the guide tube, a plurality of trumpet tubes are evenly fixed on the inner wall of the guide tube, and the inner diameter of the upper end of the trumpet tube is larger than the inner diameter of the lower end thereof.

[0025] By adopting this technical solution, the multiple fins on the guide tube increase the contact area with the low-temperature dry air in the regenerator, improving the pre-cooling heat exchange efficiency. The inner wall of the bell tube slows the flow rate of the high-temperature compressed air, further enhancing the pre-cooling effect.

[0026] In summary, the present invention has the following beneficial effects: 1. In this application, the unpowered dryer can avoid airflow dead corners and vortices, improve the utilization rate of compressed air; extend the residence time to enhance heat exchange and achieve two-stage gas-liquid separation; the dry gas pre-cools the subsequent high-temperature airflow, improves the cooling and drying efficiency, and finally outputs a dry airflow; 2. In this application, high-temperature compressed air is transported stably by setting up the first air pipe and the second air pipe. The wind power component uses the airflow to push the spiral blades to drive the rotating rod to rotate, and combines with the transmission component to realize the synchronous movement of multiple first and second partitions. No additional power is required to avoid dead corners and vortices, improve heat exchange efficiency, and enhance gas-liquid separation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 1 is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 yes Figure 1 Structural diagram from another perspective; Figure 3 is a schematic diagram for highlighting the internal structure of a cooling water cooler according to an embodiment of the present invention; Figure 4 yes Figure 3 A magnified schematic diagram of point A in the middle; Figure 5 This is a schematic diagram of the connection structure between the first partition plate and the rod unit according to an embodiment of the present invention; Figure 6 yes Figure 5 A magnified schematic diagram of point B in the middle; Figure 7 yes Figure 5 Enlarged schematic diagram of point C in the middle; Figure 8 yes Figure 3 The enlarged schematic diagram of point D in the middle; Figure 9 It is a schematic diagram for highlighting the internal structure of the flow guide tube according to an embodiment of the present invention.

[0028] In the figure: 1. Base; 2. Bracket; 3. Cooling water cooler; 31. First partition; 32. Second partition; 33. Second air pipe; 34. Fixing plate; 35. Guide plate; 36. Liquid inlet pipe; 37. Liquid outlet pipe; 38. Lower drain pipe; 39. Lower guide trough; 4. Chilled water cooler; 41. Drain pipe; 5. Regenerator; 51. Air inlet; 52. Air outlet; 53. Guide pipe; 531. Fin; 532. Bell pipe; 54. First air pipe; 6. Gas-liquid separator Separator; 61. Upper drain pipe; 62. Central axis; 63. Spiral plate; 64. Cone; 65. Upper guide trough; 7. Transmission mechanism; 71. Wind assembly; 711. Rotating rod; 712. Connecting rod; 713. Spiral blade; 72. Transmission assembly; 721. Rod unit; 7211. Central rod; 7212. Reciprocating screw; 722. Driven bevel gear; 723. Active bevel gear; 8. Through hole; 81. Transmission block; 9. Liquid supply pipe; 91. Flange. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; it is obvious that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0030] like Figure 1 and Figure 3 As shown, an embodiment of the present application discloses an unpowered dryer, comprising a base 1 and a bracket 2 fixed to the top of the base 1, a cooling water cooler 3 and a chilled water cooler 4 connected to each other are fixed to the top of the bracket 2, the cooling water cooler 3 is provided with a regenerator 5 connected to the cooling water cooler 3 and a gas-liquid separator 6 connected to the chilled water cooler 4, the regenerator 5 is provided with an air inlet 51 and an air outlet 52, the air outlet 52 of the gas-liquid separator 6 is connected to the regenerator 5, a guide pipe 53 for guiding high-temperature airflow into the cooling water cooler 3 is provided in the regenerator 5, a plurality of first baffles 31 and second baffles 32 alternately distributed upper and lower are provided in the cooling water cooler 3, and a transmission mechanism 7 for simultaneously controlling the axial reciprocating movement of the plurality of first baffles 31 and second baffles 32 along the cooling water cooler 3 under the action of the high-temperature airflow is provided in the cooling water cooler 3. In this embodiment, a drain pipe 41 is provided at the bottom of the chilled water cooler 4 , and a chilled water inlet pipe and a chilled water outlet pipe of the chilled water cooler 4 are not shown.

[0031] like Figure 3As shown, in this embodiment, the bottom of the first partition 31 is in contact with the inner bottom wall of the cooling water cooler 3, and the top of the second partition 32 is in contact with the inner top wall of the cooling water cooler 3. There is a gap between the top of the first partition 31 and the bottom of the second partition 32 and the shell of the cooling water cooler 3 for air flow to pass through.

[0032] like Figure 3 As shown, taking high-temperature gas at 130°C as an example: high-temperature compressed air enters the reheater 5 from the air inlet 51, and enters the cooling water cooler 3 under the action of the guide pipe 53. Under the action of the transmission mechanism 7, multiple first baffles 31 and second baffles 32 alternately distributed up and down can reciprocate along the axial direction of the cooling water cooler 3. This design can effectively avoid the dead angle formed between the traditional fixed baffle and the shell, reduce the air flow vortex phenomenon, ensure the utilization efficiency of the compressed air, extend the residence time of the air flow in the cooling water cooler 3, enhance the heat exchange effect, and after the high-temperature compressed air is quickly cooled, it has the effect of separating the gas and liquid at one level. The air flow cooled by the cooling water cooler 3 (temperature is about 40°C) enters the chilled water cooler 4 and is further cooled (the temperature of the chilled water in the chilled water cooler 4 is lower than the temperature of the air flow, and there is a temperature difference between the two. Under the action of heat transfer, the heat in the air flow is transferred to the chilled water, so that the air flow temperature is further reduced to about 18°C, and at the same time, condensed water is separated to further cool the air flow), and then enters the gas-liquid separator 6 for secondary gas-liquid separation. The cooled and dried gas enters the reheater 5, which has a certain pre-cooling effect on the subsequent high-temperature compressed air. Finally, the dry air flow is discharged from the air outlet 52 and transported to the gas user.

[0033] like Figure 3 and Figure 4 As shown, a first air pipe 54 and a second air pipe 33 for conveying airflow are respectively provided at the bottom of the regenerator 5 and the top of the cooling water cooler 3. The transmission mechanism 7 includes a wind assembly 71 and a transmission assembly 72. The wind assembly 71 includes a rotating rod 711, a connecting rod 712 and a spiral blade 713. The rotating rod 711 is rotatably installed on the inner bottom wall of the cooling water cooler 3 and is coaxial with the second air pipe 33. The connecting rod 712 is provided with multiple and fixed on the side wall of the rotating rod 711. The spiral blades 713 are arranged around the rotating rod 711 and fixed to the connecting rod 712. The number of spiral blades 713 is equal to the number of connecting rods 712 and their positions correspond one to one. The transmission assembly 72 is used to control the synchronous movement of multiple first partitions 31 and second partitions 32 when the spiral blades 713 rotate.

[0034] like Figure 3 and Figure 4As shown, high-temperature compressed air is ensured to be stably transported by setting up the first air pipe 54 and the second air pipe 33. The wind power component 71 uses the airflow to push the spiral blade 713 to drive the rotating rod 711 to rotate, and combines with the transmission component 72 to realize the synchronous movement of multiple first and second partitions 32. Dead corners and vortices can be avoided without additional power, thereby improving heat exchange efficiency and enhancing the gas-liquid separation effect.

[0035] like Figure 3 and Figure 4 As shown, a fixed plate 34 is fixed on the inner bottom wall of the cooling water cooler 3, and the transmission assembly 72 includes a rod unit 721, a driven bevel gear 722 and a driving bevel gear 723. The rod unit 721 includes a center rod 7211 and a reciprocating screw rod 7212. One end of the center rod 7211 is rotatably connected to the fixed plate 34. The center rod 7211 and the reciprocating screw rod 7212 are alternately provided. The number of the reciprocating screw rod 7212 is equal to the total number of the first partition plate 31 and the second partition plate 32. The reciprocating screw rod 7212 is threadedly connected to the first partition plate 31 and the second partition plate 32. Figure 5 and Figure 7 As shown, the first partition plate 31 and the second partition plate 32 are both provided with a through hole 8 for the reciprocating screw rod 7212 to pass through, and a transmission block 81 is fixed to the inner wall of the through hole 8 and cooperates with the thread on the reciprocating screw rod 7212. The driven bevel gear 722 is coaxially fixed to the end of the center rod 7211 near the second air pipe 33, and the driving bevel gear 723 is fixedly sleeved on the rotating rod 711 and meshes with the driven bevel gear 722.

[0036] like Figure 3 、 Figure 4 、 Figure 5 and Figure 7 As shown, when high-temperature compressed air blows toward the spiral blade 713, it can drive the rotating rod 711 to rotate, so that the active bevel gear 723 fixed to the rotating rod 711, the driven bevel gear 722 meshing with the active bevel gear 723, the center rod 7211 fixed to the driven bevel gear 722, and the reciprocating screw 7212 fixed to the center rod 7211 all rotate. Since the thread on the reciprocating screw 7212 is a continuous spiral, its (thread) rotation direction is consistent and the pitch is uniform, which can be precisely matched with the thread of the transmission block 81 in the through hole 8 of the first partition 31 and the second partition 32. When the reciprocating screw 7212 rotates, it is converted into axial reciprocating motion of the partition through thread transmission, ensuring that the movement of the first partition 31 and the second partition 32 is smooth and synchronous, and the airflow dead corner can be eliminated without additional power, thereby improving the cooling efficiency and utilization rate of the compressed air.

[0037] like Figure 3 and Figure 4As shown, a guide plate 35 is fixed on the inner wall of the cooling water cooler 3, the rotating rod 711 and the center rod 7211 both pass through the guide plate 35 and are rotatably connected, and an inclined section is provided on the top of the guide plate 35 for guiding the airflow discharged from the second air pipe 33 to the side close to the chilled water cooler 4, and the driving bevel gear 723 and the driven bevel gear 722 are both located on the side of the guide plate 35 away from the chilled water cooler 4.

[0038] like Figure 3 and Figure 4 As shown, the deflector 35 not only provides stable support for the rotating rod 711 and the center rod 7211, but its inclined section also directs the airflow discharged from the second air pipe 33 toward the side near the chilled water cooler 4, ensuring efficient airflow. Furthermore, the deflector 35 separates the driving bevel gear 723 and the driven bevel gear 722 from the main airflow path, reducing interference with the airflow and ensuring stable operation of the transmission assembly 72.

[0039] like Figure 3 and Figure 5 As shown, the sidewalls of the cooling water cooler 3 are provided with a liquid inlet pipe 36 and a liquid outlet pipe 37. Both the inlet pipe 36 and the outlet pipe 37 are closed at one end within the cooling water cooler 3. Multiple liquid supply pipes 9 are provided between the closed ends of the inlet pipe 36 and the outlet pipe 37 (the sections of the liquid supply pipes 9 located between the multiple first baffles 31 and the second baffles 32 are axially parallel to the axial direction of the cooling water cooler 3). The liquid supply pipes 9 extend through the fixed plate 34, the first baffles 31, and the second baffles 32, each of which is slidably engaged. In this embodiment, there are six liquid supply pipes 9. The sections of the six liquid supply pipes 9 located between the first baffles 31 and the second baffles 32 are evenly distributed about the axis of the center rod 7211. The sections of the six liquid supply pipes 9 connecting to the inlet pipe 36 or the outlet pipe 37 are evenly distributed about the axis of the inlet pipe 36 or the outlet pipe 37. The liquid inlet pipe 36 and the liquid outlet pipe 37 are connected through multiple liquid supply pipes 9 to form a cooling water circulation channel, which ensures the contact area and condensation effect with the air flow passing through the cooling water cooler 3, and will not interfere with the reciprocating motion of the first partition 31 and the second partition 32, which is conducive to stable operation of the equipment.

[0040] like Figure 3 and Figure 5 As shown, it is worth noting that the liquid inlet pipe 36 is located on the side close to the chilled water cooler 4, and the liquid outlet pipe 37 is located on the side away from the chilled water cooler 4. The flow direction of the air in the chilled water cooler 4 is opposite to the flow direction of the cooling water in the liquid supply pipe 9, ensuring the cooling effect on the air flow.

[0041] like Figure 5 and Figure 6As shown, in order to facilitate the liquid supply pipe 9 to pass through the first partition plate 31 and the second partition plate 32, the liquid supply pipe 9 is divided into two at one end close to the liquid inlet pipe 36 or the liquid outlet pipe 37 and connected by a flange 91.

[0042] like Figure 3 As shown, a lower drain pipe 38 is provided at the bottom of the cooling water cooler 3, near the chilled water cooler 4. A lower guide groove 39 is provided on the inner bottom wall of the cooling water cooler 3. The end of the lower guide groove 39 near the chilled water cooler 4 extends into the lower drain pipe 38. The height of the inner bottom wall of the lower guide groove 39 increases from the lower drain pipe 38 toward the side away from the chilled water cooler 4, and the lower guide groove 39 extends to a position near the guide plate 35 (ensuring the drainage effect of the condensed water in the cooling water cooler 3). The inner bottom wall of the lower guide groove 39 is set at an angle, which can guide the condensed water separated from the cooling water cooler 3 to the lower drain pipe 38, and cooperate with the lower drain pipe 38 to efficiently discharge the condensed liquid.

[0043] like Figure 3 As shown, an upper drain pipe 61 is provided at the bottom of the gas-liquid separator 6 (the upper drain pipe 61, the drain pipe 41, and the lower drain pipe 38 are all provided with solenoid valves for controlling the on-off of the pipelines, which are not shown in the figure), and a central axis 62, a spiral plate body 63 and a cone body 64 are provided in the gas-liquid separator 6. The spiral plate body 63 is fixedly sleeved on the central axis 62, and the outer wall of the spiral plate body 63 is fixed to the inner wall of the gas-liquid separator 6. The end of the spiral plate body 63 close to the regenerator 5 extends to a position close to the upper drain pipe 61, and the cone body 64 is fixed to the end of the central axis 62 away from the regenerator 5, and the tip of the cone body 64 is located at the end of the central axis 62 away from the regenerator 5. The compressed air further cooled by the chilled water cooler 4 enters the gas-liquid separator 6, and the air flow transitions to the air inlet of the spiral plate body 63 through the cone 64. The spiral plate body 63 has multiple spiral segments, which ensures the effect of centrifugal force on gas-liquid separation of the air flow. The separated condensed water is guided to the upper drain pipe 61, and the dry air enters the reheater 5 and is finally discharged from the air outlet 52.

[0044] like Figure 3 and Figure 8 As shown, the inner bottom wall of the gas-liquid separator 6 is provided with two upper guide grooves 65 symmetrically distributed about the upper drain pipe 61. The length of the upper guide grooves 65 is parallel to the axial direction of the gas-liquid separator 6. Both upper guide grooves 65 extend into the upper drain pipe 61, and the height of the inner bottom wall of the guide grooves increases from the upper drain pipe 61 to both sides. The inner bottom wall of the upper guide grooves 65 is inclined. The two upper guide grooves 65 cooperate to guide the condensed water centrifuged by the spiral plate 63 to the upper drain pipe 61, ensuring the gas-liquid separation effect.

[0045] like Figure 3 and Figure 9As shown, the plurality of fins 531 are fixedly sleeved on the draft tube 53, and the plurality of horn tubes 532 are uniformly fixed on the inner wall of the draft tube 53, and the inner diameter of the upper end of the horn tube 532 is greater than that of the lower end. The plurality of fins 531 on the draft tube 53 can increase the contact area with the low-temperature dry gas in the heat exchanger 5, and improve the pre-cooling heat exchange efficiency. The horn tube 532 on the inner wall can slow down the airflow speed of the high-temperature compressed air, so as to further enhance the pre-cooling effect.

[0046] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solutions falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application shall also be considered as falling within the protection scope of the present application.

Claims

1. A non-powered dryer, comprising a base (1) and a bracket (2) fixed to the top of the base (1), a cooling water cooler (3) and a refrigerated water cooler (4) connected to each other fixed to the top of the bracket (2), a reheating device (5) connected to the cooling water cooler (3) and a gas-liquid separator (6) connected to the refrigerated water cooler (4) provided on the cooling water cooler (3), an air inlet (51) and an air outlet (52) provided on the reheating device (5), and the air outlet (52) of the gas-liquid separator (6) is connected to the reheating device (5), wherein: A guide pipe (53) for guiding a high-temperature airflow into a cooling water cooler (3) is provided in the reheater (5); a plurality of first baffles (31) and second baffles (32) alternately distributed in upper and lower directions are provided in the cooling water cooler (3); and a transmission mechanism (7) for simultaneously controlling the axial reciprocating motion of the plurality of first baffles (31) and second baffles (32) along the cooling water cooler (3) under the action of the high-temperature airflow is provided in the cooling water cooler (3).

2. The unpowered dryer according to claim 1, characterized in that: A first air pipe (54) and a second air pipe (33) for conveying air flow are respectively provided at the bottom of the reheater (5) and the top of the cooling water cooler (3). The transmission mechanism (7) includes a wind assembly (71) and a transmission assembly (72). The wind assembly (71) includes a rotating rod (711), a connecting rod (712) and a spiral blade (713). The rotating rod (711) is rotatably installed on the inner bottom wall of the cooling water cooler (3) and is coaxial with the second air pipe (33). The connecting rod (712) is provided with a plurality of spiral blades and is fixed on the side wall of the rotating rod (711). The spiral blades (713) are arranged around the rotating rod (711) and are fixed to the connecting rod (712). The number of the spiral blades (713) is equal to the number of the connecting rods (712) and the positions correspond one to one. The transmission assembly (72) is used to control the synchronous movement of the plurality of first baffles (31) and the second baffles (32) when the spiral blades (713) rotate.

3. The unpowered dryer according to claim 2, characterized in that: A fixed plate (34) is fixed on the inner bottom wall of the cooling water cooler (3). The transmission assembly (72) includes a rod unit (721), a driven bevel gear (722) and a driving bevel gear (723). The rod unit (721) includes a center rod (7211) and a reciprocating screw rod (7212). One end of the center rod (7211) is rotatably connected to the fixed plate (34). The center rod (7211) and the reciprocating screw rod (7212) are alternately provided with a plurality of The number of the reciprocating screw rods (7212) is equal to the total number of the first partition plate (31) and the second partition plate (32). The reciprocating screw rods (7212) are threadedly connected to the first partition plate (31) and the second partition plate (32). The driven bevel gear (722) is coaxially fixed to the end of the center rod (7211) close to the second air pipe (33). The driving bevel gear (723) is fixedly sleeved on the rotating rod (711) and meshed with the driven bevel gear (722).

4. The unpowered dryer according to claim 3, characterized in that: A guide plate (35) is fixed on the inner wall of the cooling water cooler (3); the rotating rod (711) and the center rod (7211) both pass through the guide plate (35) and are rotatably connected; an inclined section for guiding the airflow discharged from the second air pipe (33) to a side close to the chilled water cooler (4) is provided on the top of the guide plate (35); and the driving bevel gear (723) and the driven bevel gear (722) are both located on a side of the guide plate (35) away from the chilled water cooler (4).

5. The unpowered dryer according to claim 3, characterized in that: A liquid inlet pipe (36) and a liquid outlet pipe (37) are provided on the side wall of the cooling water cooler (3); one end of the liquid inlet pipe (36) and the liquid outlet pipe (37) located inside the cooling water cooler (3) are both closed; a plurality of liquid supply pipes (9) are provided between the closed end of the liquid inlet pipe (36) and the closed end of the liquid outlet pipe (37); the liquid supply pipes (9) pass through the fixed plate (34), the first partition plate (31) and the second partition plate (32) and are all slidably fitted.

6. The unpowered dryer according to claim 5, characterized in that: A lower drain pipe (38) is provided at a position near the bottom of the cooling water cooler (3) and the refrigerated water cooler (4), and a lower guide groove (39) is provided on the inner bottom wall of the cooling water cooler (3). One end of the lower guide groove (39) near the refrigerated water cooler (4) extends into the lower drain pipe (38). The height of the inner bottom wall of the lower guide groove (39) increases from the lower drain pipe (38) to the side away from the refrigerated water cooler (4), and the lower guide groove (39) extends to a position close to the guide plate (35).

7. The unpowered dryer according to claim 5, characterized in that: An upper liquid discharge pipe (61) is provided at the bottom of the gas-liquid separator (6), and a central axis (62), a spiral plate body (63) and a cone body (64) are provided inside the gas-liquid separator (6). The spiral plate body (63) is fixedly sleeved on the central axis (62), and the outer wall of the spiral plate body (63) is fixed to the inner wall of the gas-liquid separator (6). The end of the spiral plate body (63) close to the reheating device (5) extends to a position close to the upper liquid discharge pipe (61). The cone body (64) is fixed to the end of the central axis (62) away from the reheating device (5), and the tip of the cone body (64) is located at the end of the central axis (62) away from the reheating device (5).

8. The unpowered dryer according to claim 7, characterized in that: Two upper guide grooves (65) are provided on the inner bottom wall of the gas-liquid separator (6) and are symmetrically distributed with respect to the upper liquid discharge pipe (61). The length direction of the upper guide grooves (65) is parallel to the axial direction of the gas-liquid separator (6). Both upper guide grooves (65) extend into the upper liquid discharge pipe (61), and the height of the inner bottom wall of the guide groove increases gradually from the upper liquid discharge pipe (61) to both sides.

9. The unpowered dryer according to claim 5, characterized in that: One end of the liquid supply pipe (9) close to the liquid inlet pipe (36) or the liquid outlet pipe (37) is divided into two parts and connected by a flange (91).

10. The unpowered dryer according to claim 5, characterized in that: A plurality of fins (531) are fixedly sleeved on the guide tube (53), and a plurality of bell tubes (532) are evenly fixed on the inner wall of the guide tube (53), wherein the inner diameter of the upper end of the bell tube (532) is greater than the inner diameter of the lower end thereof.

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