Rotary disturbance water-cooled condenser

Abstract

The present invention discloses a rotary disturbance water-cooled condenser, comprising a cylinder with tube sheets connected at both ends, at least one heat exchange cylinder with both ends closed and concentric with the cylinder and driven by electric rotation arranged in the cylinder by means of the tube sheet, the heat exchange cylinder and the tube sheet are rotationally matched; there are heads on the outer side of the tube sheet, the first head is connected to the cooling water inlet pipe and the refrigerant inlet pipe, and the second head is connected to the cooling water outlet pipe and the refrigerant liquid pipe; the refrigerant inlet pipe is connected to the air inlet pipe of the heat exchange cylinder, the refrigerant liquid pipe is connected to the outlet of the collecting pipe, the inlet of the collecting pipe is connected to the outlet of the drain pipe at the bottom of each heat exchange cylinder, and a through hole for cooling water flow is formed on the tube sheet. The present invention uses a motor to drive the heat exchange cylinder to rotate, increases the disturbance of cooling water flowing outside the tube, strengthens the heat transfer effect between the refrigerant in the heat exchange cylinder and the cooling water outside the tube, and improves the performance of the refrigeration system.

Description

Technical Field

[0001] The invention relates to the field of refrigeration and air conditioning, and in particular to a water-cooled condenser using rotary disturbance. Background Art

[0002] Vertical water-cooled condensers are widely used in refrigeration systems in large-scale refrigeration and air-conditioning fields, such as ammonia refrigeration systems. The high-temperature and high-pressure gas discharged from the refrigeration compressor enters the condenser, and the refrigerant exchanges heat with the cooling water outside the heat exchange tube to release heat and condense. The condensed liquid occupies the space of the heat exchange tube or accumulates on the surface of the heat exchange tube, so that the surface of the heat exchange tube cannot fully exchange heat with the cooling water outside the tube, resulting in a decrease in the heat transfer performance of the condenser, an increase in the condensation temperature, an increase in the pressure ratio of the refrigeration compressor, a decrease in the performance of the refrigeration system, and an increase in energy consumption. Summary of the invention

[0003] The purpose of the present invention is to provide a rotary disturbance water-cooled condenser for use in the field of refrigeration and air conditioning in order to solve the problem of efficient heat transfer of a vertical water-cooled condenser, improve the performance of the refrigeration system, and save energy in order to address the technical defects in the prior art.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A rotary disturbance water-cooled condenser comprises a cylinder body connected to tube sheets at both ends, at least one heat exchange cylinder with both ends closed and concentric with the cylinder body and driven to rotate by an electric motor and arranged in the cylinder body with the aid of the tube sheets, the heat exchange cylinder and the tube sheets being rotatably matched; there are heads on the outer sides of the tube sheets, the first head is connected to a cooling water inlet pipe and a refrigerant inlet pipe, and the second head is connected to a cooling water outlet pipe and a refrigerant liquid pipe; the refrigerant inlet pipe is connected to an air inlet pipe of the heat exchange cylinder, the refrigerant liquid pipe is connected to an outlet of a collecting pipe, the inlet of the collecting pipe is connected to an outlet of a drain pipe at the bottom of each heat exchange cylinder, and a through hole for cooling water flow is formed on the tube sheet.

[0006] There are multiple heat exchange tubes, which are arranged concentrically and have inner diameters that decrease successively. One ends of the multiple heat exchange tubes are fixed together with the bracket to form a rotating whole. The multiple heat exchange tubes are connected by radially arranged connecting pipes to enable the refrigerant gas to enter the outer heat exchange tube from one end, pass through the middle heat exchange tube, and then enter the inner heat exchange tube, and the refrigerant liquid is discharged from the other end.

[0007] The air inlet pipe is connected to the outer heat exchange tube, the refrigerant liquid pipe is connected to the outlet of the collecting pipe through a telescopic pipe, and the inlet of the collecting pipe is connected to the outlet of the drain pipe at the bottom of each heat exchange tube.

[0008] The outer heat exchange tube is meshed with the gear on the motor output shaft by means of the gear installed on the outer cylindrical surface, and the motor is installed on one side of the first head.

[0009] Wherein, the cooling water inlet pipe is arranged on the side wall of the first end cover; the cooling water outlet pipe is arranged on the side wall of the second end cover.

[0010] The other end of the refrigerant inlet pipe is connected to the exhaust pipe of the refrigeration compressor, and the other end of the refrigerant liquid pipe is connected to the inlet of the throttling and pressure reducing element.

[0011] The first end cap and the second end cap are respectively welded to the outer side surfaces of the first tube sheet and the second tube sheet, and the two ends of the cylinder are respectively welded to the inner side surfaces of the first tube sheet and the second tube sheet.

[0012] The rotary disturbance water-cooled condenser of the present invention utilizes a motor to drive the annular channel heat exchange tube to rotate. Under the action of centrifugal force, the liquid in the heat exchange tube adheres to the inner wall of the heat exchange tube, flows to the bottom of the heat exchange tube due to gravity, and is led out through a drain pipe. At the same time, the rotating heat exchange tube increases the disturbance of the cooling water flowing outside the tube, thereby enhancing the heat transfer effect between the refrigerant in the heat exchange tube and the cooling water outside the tube, thereby improving the performance of the refrigeration system. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Shown is a schematic diagram of a rotary disturbance water-cooled condenser of the present invention;

[0014] Figure 2 Shown Figure 1 AA section view;

[0015] Figure 3 Shown Figure 1 BB section view. DETAILED DESCRIPTION

[0016] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0017] like Figure 1-Figure 3 As shown, the rotary disturbance water-cooled condenser of the present invention includes a cylinder 1, a first connecting pipe, a second connecting pipe, a first tube sheet through hole 4, a first tube sheet 5, a cooling water inlet pipe 6, a first end cap 7, a motor 8, a refrigerant inlet pipe 9, a main shaft 10, a second telescopic hose 11, an air intake pipe 12, a heat exchange tube connecting frame 13, a first heat exchange tube 14, a second heat exchange tube 15, a third heat exchange tube 16, a second tube sheet through hole 17, a cooling water outlet pipe 18, a liquid outlet pipe 19, a first telescopic hose 20, a refrigerant liquid pipe 21, a second end cap 22, a second tube sheet 23, a first liquid discharge pipe 24, a second liquid discharge pipe 25, a third liquid discharge pipe 26, a liquid collecting pipe 27, and a bracket 28;

[0018] The first heat exchange tube 14, the second heat exchange tube 15, and the third heat exchange tube 16 are circular rings with closed ends, and the two ends pass through the through holes in the center of the second tube sheet 23 and the first tube sheet 5 respectively, and are sealed and matched with the central holes of the second tube sheet 23 and the first tube sheet 5, and can rotate relatively. The outer circle of one end of the first heat exchange tube 14 extending into the first head 7 is provided with external teeth (not shown, from Figure 2-3 As can be seen from the figure, the orifice opened on the top is welded to one end of the air inlet pipe 12, and the other end of the air inlet pipe 12 is welded to the refrigerant inlet pipe 9 through the second telescopic hose 11. The refrigerant inlet pipe 9 passes through the central orifice on the first end cap 7, and is sealed with the central orifice, and can rotate relatively to form a rotating sealed connection structure; the orifice opened on the outer wall of the inner annular surface of one end of the first heat exchange tube 14 extending into the second end cap 22 is welded to one end of the first connecting pipes 2-1 and 2-2, and the other end of the first connecting pipes 2-1 and 2-2 is welded to the orifice opened on the outer wall of the outer annular surface of the second heat exchange tube 15 near the end of the second end cap 22, and the orifice opened on the outer wall of the inner annular surface of the second heat exchange tube 15 near the end of the first end cap 7 is welded to one end of the second connecting pipes 3-1 and 3-2, and the other end of the second connecting pipes 3-1 and 3-2 is welded to the orifice opened on the outer wall of the outer annular surface of the third heat exchange tube 16 near the end of the first end cap 7;

[0019] The holes of the first heat exchange tube 14, the second heat exchange tube 15 and the third heat exchange tube 16 extending into the end of the second end cap 22 are respectively welded to one end of the first drain pipe 24, the second drain pipe 25 and the third drain pipe 26, and the other ends of the first drain pipe 24, the second drain pipe 25 and the third drain pipe 26 are welded to the corresponding holes of the collecting pipe 27; the corresponding holes on the other side of the collecting pipe 27 are welded to one end of the liquid outlet pipe 19, and the other end of the liquid outlet pipe 19 is sealed and fixedly connected to the corresponding holes at one end of the first telescopic hose 20, and the corresponding holes at the other end of the first telescopic hose 20 are sealed and fixedly connected to one end of the refrigerant liquid pipe 21;

[0020] The ends of the first heads 7 of the first heat exchange tube 14, the second heat exchange tube 15 and the third heat exchange tube 16 are welded to the outer ends of the heat exchange tube connecting frame 13, and the refrigerant liquid pipe 21 passes through the central opening of the second head 22, and is sealed with the central opening and can rotate relatively.

[0021] The second tube sheet 23 and the first tube sheet 5 are respectively provided with uniformly distributed second tube sheet through holes 17 and first tube sheet through holes 4 to facilitate the flow of cooling water in the cylinder for heat exchange. The second tube sheet through holes 17 and the first tube sheet through holes 4 can be rectangular holes or holes of other geometric shapes, which are not specifically limited, and the number can be one or more, which are not specifically limited.

[0022] In the present invention, the main shaft 10 is connected to the motor 8, and the other end of the main shaft 10 is fixed with an external tooth (not shown). Figure 1As can be seen from the figure), it rotates driven by the motor 8. The outer teeth on the main shaft 10 mesh with the outer teeth on the first heat exchange cylinder 14, thereby driving the heat exchange cylinder to rotate synchronously.

[0023] In the present invention, the motor 8 is fixed on the first head 7, specifically, fixed at a position on one side of the end surface.

[0024] It should be noted that, in the present invention, the first heat exchange tube 14, the second heat exchange tube 15, and the third heat exchange tube 16 can be heat exchange tubes with smooth surfaces or heat exchange tubes with low ribs on the surfaces.

[0025] Furthermore, the other end of the refrigerant inlet pipe 9 is connected to the exhaust pipe of the refrigeration compressor, and the other end of the refrigerant liquid pipe 21 is connected to the inlet of the throttling and pressure reducing element.

[0026] Specifically, the second end cap 22 is welded to the second tube sheet 23 , the first end cap 7 is welded to the first tube sheet 5 , and both ends of the cylinder 1 are welded to the second tube sheet 23 and the two side surfaces of the first tube sheet 5 , respectively.

[0027] When the refrigeration system is running, the gas discharged from the refrigeration compressor enters the annular channel of the first heat exchange tube 14 through the refrigerant inlet pipe 9, the second telescopic hose 11, and the air inlet pipe 12, enters the annular channel of the second heat exchange tube 15 through the first connecting pipe 2, and enters the annular channel of the third heat exchange tube 16 through the second connecting pipe 3. The motor 8 drives the first heat exchange tube 14 through the outer teeth of the main shaft 10, and the heat exchange tube connecting frame 13 drives each heat exchange tube to rotate. Under the action of centrifugal force, the first heat exchange tube 14 and the second heat exchange tube 15 are rotated. The condensed liquid in the heat exchange tube 15 and the third heat exchange tube 16 adheres to the inner wall of the outer annular surface of the heat exchange tube, and enters the collecting pipe 27 through the first drain pipe 24, the second drain pipe 25 and the third drain pipe 26. The liquid in the collecting pipe 27 passes through the liquid outlet pipe 19, the first telescopic hose 20 and the refrigerant liquid pipe 21 to the throttling and pressure reducing element. The cooling water enters the annular channel of the cylinder body 1, the first heat exchange tube 14, the second heat exchange tube 15 and the third heat exchange tube 16 through the cooling water inlet pipe 6 and flows out from the cooling water outlet pipe 18.

[0028] It should be noted that the above is only a specific embodiment, and the number of the heat exchange tubes is not limited to the above embodiment, and can be determined according to needs, such as one, two, or more than three, without specific limitation.

[0029] In addition, it should be noted that the rotary disturbance water-cooled condenser of the present invention can be used not only vertically, but also Figure 1 As shown, it can also be used horizontally, that is, Figure 1 Rotate right 90 degrees and place it for use, no specific restrictions.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A rotary disturbance water-cooled condenser, comprising a cylinder connected to a tube sheet at both ends, at least one heat exchange cylinder with both ends closed and concentric with the cylinder and driven by an electric motor to rotate, arranged in the cylinder by means of the tube sheet, the heat exchange cylinder and the tube sheet are rotatably matched; the outer sides of the tube sheet are provided with heads, the first head is connected to a cooling water inlet pipe and a refrigerant inlet pipe, and the second head is connected to a cooling water outlet pipe and a refrigerant liquid pipe; the refrigerant inlet pipe and the refrigerant liquid pipe are respectively connected to an air inlet pipe and a liquid outlet pipe of the heat exchange cylinder through a telescopic pipe, and a through hole for cooling water flow is formed on the tube sheet; the refrigerant inlet pipe and the refrigerant liquid pipe are respectively rotatably sealed with the central openings of the first head and the second head; There are multiple heat exchange tubes, which are arranged concentrically and have inner diameters that decrease successively. One ends of the multiple heat exchange tubes are fixed together with the bracket to form a rotating whole. The multiple heat exchange tubes are connected by radially arranged connecting pipes to enable the refrigerant gas to enter the outer heat exchange tube from one end, pass through the middle heat exchange tube, and then enter the inner heat exchange tube, and the refrigerant liquid is discharged from the other end; the air inlet pipe is connected to the outer heat exchange tube, the refrigerant liquid pipe is connected to the outlet of the collecting pipe through a telescopic pipe, and the inlet of the collecting pipe is connected to the outlet of the drain pipe at the bottom of each heat exchange tube; the cooling water inlet pipe is arranged on the side wall of the first head; the cooling water outlet pipe is arranged on the side wall of the second head.

2. The rotary disturbance water-cooled condenser according to claim 1, characterized in that: The outer heat exchange tube is meshed with the gear on the output shaft of the motor by means of the gear installed on the outer circumferential surface, and the motor is installed on one side of the first head.

3. The rotary disturbance water-cooled condenser according to claim 1, characterized in that: The support is a cross-shaped support.

4. The rotary disturbance water-cooled condenser according to claim 1, characterized in that: The other end of the refrigerant inlet pipe is connected to the exhaust pipe of the refrigeration compressor, and the other end of the refrigerant liquid pipe is connected to the inlet of the throttling and pressure reducing element.

5. The rotary disturbance water-cooled condenser according to claim 1, characterized in that: The first end cap and the second end cap are respectively welded to the outer side surfaces of the first tube sheet and the second tube sheet, and the two ends of the cylinder are respectively welded to the inner side surfaces of the first tube sheet and the second tube sheet.

Images