CN108224852B - Dry-type pipe ice evaporator - Google Patents
Dry-type pipe ice evaporator Download PDFInfo
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- CN108224852B CN108224852B CN201810205265.3A CN201810205265A CN108224852B CN 108224852 B CN108224852 B CN 108224852B CN 201810205265 A CN201810205265 A CN 201810205265A CN 108224852 B CN108224852 B CN 108224852B
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- plate
- tube
- heat exchange
- spoiler
- pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
Abstract
The invention relates to the technical field of refrigeration equipment, in particular to a dry-type tube ice evaporator, which comprises a barrel, wherein an upper tube plate and a lower tube plate are respectively arranged at two ends of the barrel, a plurality of heat exchange tubes in the vertical direction are uniformly distributed in the barrel, and two ends of each heat exchange tube respectively penetrate through and are connected with the upper tube plate and the lower tube plate; and a spoiler is arranged between the adjacent heat exchange tubes, the spoiler spirally rises around the central axis of the spoiler, and two side edges of the spoiler are respectively connected to the side surfaces of the adjacent heat exchange tubes. The invention has the beneficial effects that: the spoiler of the dry-type tube ice evaporator has the functions of drainage and disturbance, so that the refrigerant must flow around the heat exchange tube according to the set flow direction, evaporation of the refrigerant is quickened, and the heat exchange effect of the evaporator is improved.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a dry-type tube ice evaporator.
Background
The common flooded tube ice evaporator is mainly high in equipment manufacturing cost, unstable in heat exchange performance, and high in refrigerant filling quantity, and the top part is free of icing, long in icing and deicing time. The existing dry evaporator also has the problems of uneven refrigerant distribution and poor heat exchange effect, and the development and design of the dry tube ice evaporator for improving the heat exchange effect and reducing the refrigerant filling amount are needed.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the dry pipe ice evaporator has the advantages of uniform refrigerant distribution, less filling quantity and good heat exchange effect.
In order to solve the technical problems, the invention adopts the following technical scheme: the dry pipe ice evaporator comprises a barrel, wherein an upper pipe plate and a lower pipe plate are respectively arranged at two ends of the barrel, a plurality of heat exchange pipes in the vertical direction are uniformly distributed in the barrel, and two ends of the heat exchange pipes respectively penetrate through and are connected with the upper pipe plate and the lower pipe plate;
and a spoiler is arranged between the adjacent heat exchange tubes, the spoiler spirally rises around the central axis of the spoiler, and two side edges of the spoiler are respectively connected to the side surfaces of the adjacent heat exchange tubes.
The invention has the beneficial effects that: the dry pipe ice evaporator adopts the design of the spoiler, and changes the design that the flow direction of the refrigerant is not regulated in any way in the past. The spoiler has the functions of drainage and disturbance, so that the refrigerant must flow around the heat exchange tube according to the set flow direction, and the heat exchange function of the refrigerant is enhanced; the heat exchange area is reduced, the diameter of the cylinder body is reduced, the refrigerant filling amount is greatly reduced (only 30% of the original refrigerant is needed), the traditional liquid filling type evaporator is changed into a dry type evaporator, the icing time of the tube ice evaporator is shortened, the daily ice yield is highest, the production cost is reduced, and the economic benefit is improved.
Drawings
FIG. 1 is a schematic view of a dry tube ice evaporator according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a dry tube ice evaporator according to an embodiment of the present invention in a horizontal direction;
FIG. 3 is a schematic view of a portion of a spoiler of a dry tube ice evaporator according to an embodiment of the invention;
description of the reference numerals:
1. a cylinder; 2. an upper tube sheet; 3. a lower tube sheet; 4. a heat exchange tube; 5. a spoiler; 6. a coiled pipe;
61. a through hole; 7. an auxiliary connecting pipe; 8. an intermediate tube sheet; 9. a supercooling chamber; 10. a lower orifice plate; 11. an upper orifice plate; 12. and (5) a filling mandrel.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The most critical concept of the invention is as follows: the spoiler is designed around the heat exchange tube, the drainage disturbance refrigerant must flow around the heat exchange tube according to the set flow direction, and evaporation of the refrigerant is accelerated, so that the heat exchange effect of the evaporator is improved.
Referring to fig. 1, 2 and 3, a dry tube ice evaporator includes a cylinder 1, two ends of the cylinder 1 are respectively provided with an upper tube plate 2 and a lower tube plate 3, a plurality of heat exchange tubes 4 in vertical directions are uniformly distributed in the cylinder 1, and two ends of the heat exchange tubes 4 respectively pass through and are connected to the upper tube plate 2 and the lower tube plate 3;
a spoiler 5 is arranged between the adjacent heat exchange tubes 4, the spoiler 5 spirally rises around the central axis, and two side edges of the spoiler 5 are respectively connected to the side surfaces of the adjacent heat exchange tubes 4.
In the dry pipe ice evaporator, the conventional mode of not adopting any mode to prescribe the flow direction of the refrigerant is changed, the designed spoiler 5 has the functions of drainage and disturbance, so that the refrigerant is required to flow around the heat exchange pipe 4 according to the set flow direction, evaporation of the refrigerant is quickened, thereby improving the heat exchange effect of the evaporator, reducing the refrigerant filling quantity of the evaporator, changing the traditional full-liquid type into the dry type evaporator, shortening the icing time of the pipe ice evaporator, achieving the highest daily ice yield, reducing the production cost and improving the economic benefit.
Preferably, in the dry tube ice evaporator, the coil pipes 6 horizontally surrounding the cylinder body 1 are respectively arranged on the cylinder body 1 near the upper tube plate 2 and the lower tube plate 3, through holes 61 communicating with the inside of the cylinder body 1 are formed in the coil pipes 6, the coil pipes 6 are connected with the auxiliary connecting tubes 7, and the auxiliary connecting tubes 7 are connected with the refrigerant channels.
As can be seen from the above description, the coil pipe 6 is used for supplying liquid and returning air through the through holes, and the through holes are uniformly formed in the coil pipe 6, so that the liquid supply is uniform.
Preferably, in the dry tube ice evaporator, an intermediate tube plate 8 is further disposed at the lower end of the cylinder 1, the heat exchange tubes 4 are expanded and connected to the intermediate tube plate 8, and a supercooling cavity 9 is disposed between the intermediate tube plate 8 and the lower tube plate 3.
As can be seen from the above description, the supercooling chamber 9 is disposed at the lower end of the evaporator, and the refrigerant in the liquid supply pipe is supercooled through the supercooling chamber 9, so as to improve supercooling degree, reduce flash gas, improve refrigerating capacity and improve refrigerating efficiency; meanwhile, the ice at the lower end of the heat exchange tube 4 is melted by the heat released by supercooling of the supercooling agent, so that the problem of difficult ice removal is solved.
Preferably, in the dry tube ice evaporator, a lower orifice plate 10 and an upper orifice plate 11 are arranged between the upper tube plate 2 and the lower tube plate 3 of the cylinder body 1, and are arranged in the vertical direction near the lower tube plate 3 from bottom to top, the lower orifice plate 10 and the upper orifice plate 11 are provided with the same through holes, the aperture ratio of the lower orifice plate 10 is greater than that of the upper orifice plate 11, and the upper end and the lower end of the spoiler 5 are respectively connected to the upper tube plate 2 and the upper orifice plate 11.
The aperture ratio of the upper orifice plate 11 was 23%, and the aperture ratio of the lower orifice plate 10 was 49%.
As can be seen from the above description, the dry-type tube ice evaporator of the present invention adopts the design of the upper and lower orifice plates 10, the upper orifice plate 11 has an aperture ratio of 23%, the lower orifice plate 10 has an aperture ratio of 49%, and the thickness of the lower orifice plate is 6mm, so that the refrigerant passes through the large aperture ratio and then passes through the small aperture ratio, the flow rate of the refrigerant is changed, the guiding effect of the refrigerant is facilitated, the evaporation effect of the refrigerant is accelerated, the liquid state is changed into the gas state, and the heat exchange function is increased.
Preferably, in the dry tube ice evaporator, a packing mandrel 12 is disposed on a central axis of the cylinder 1, one end of the packing mandrel 12 is fixed on the upper tube plate 2, the other end of the packing mandrel passes through the upper tube plate 11 and is located between the upper tube plate 11 and the lower tube plate 10, and communicating holes are distributed on the surface of the packing mandrel 12.
As can be seen from the description, the liquid is supplied by adopting the structures of the small holes of the coil pipe 6 and the filling mandrel 12, and the periphery of the device is provided with the small holes, so that the liquid supply is more uniform; the filler mandrel 12 is adopted, so that the axial stability of the tube plate can be enhanced, and the refrigerant filling amount can be reduced.
Preferably, in the dry tube ice evaporator, a pull rod is further disposed in the cylinder 1, one end of the pull rod is connected to the upper tube plate 2, and the other end of the pull rod passes through the upper tube plate 11 and the lower tube plate 10 and is located between the lower tube plate 10 and the lower tube plate 3.
Preferably, in the dry pipe ice evaporator, the dry pipe ice evaporator further comprises a water tank above the cylinder 1; the water tank is connected with a heat exchange tube 4.
Example 1
The dry pipe ice evaporator comprises a barrel 1, wherein an upper pipe plate 2 and a lower pipe plate 3 are respectively arranged at two ends of the barrel 1, a plurality of heat exchange pipes 4 in the vertical direction are uniformly distributed in the barrel 1, and two ends of each heat exchange pipe 4 respectively penetrate through and are connected with the upper pipe plate 2 and the lower pipe plate 3;
a spoiler 5 is arranged between the adjacent heat exchange tubes 4, the spoiler 5 spirally rises around the central axis, and two side edges of the spoiler 5 are respectively connected to the side surfaces of the adjacent heat exchange tubes 4.
The tube body 1 is close to the upper tube plate 2 and the lower tube plate 3 and is respectively provided with a coil 6 horizontally encircling the tube body 1, the coil 6 is provided with a through hole communicated with the inside of the tube body 1, the coil 6 is connected with an auxiliary connecting tube 7, and the auxiliary connecting tube 7 is connected with a refrigerant channel.
The lower end of the cylinder body 1 is also provided with a middle tube plate 8, the heat exchange tubes 4 are connected to the middle tube plate 8 in an expanded mode, and a supercooling cavity 9 is arranged between the middle tube plate 8 and the lower tube plate 3.
The upper tube plate 2 and the lower tube plate 3 of the cylinder body 1 are provided with a lower orifice plate 10 and an upper orifice plate 11 from bottom to top in the vertical direction near the lower tube plate 3, the lower orifice plate 10 and the upper orifice plate 11 are provided with the same through holes, the aperture ratio of the lower orifice plate 10 is larger than that of the upper orifice plate 11, the upper end and the lower end of the spoiler 5 are respectively connected to the upper tube plate 2 and the upper orifice plate 11, the aperture ratio of the upper orifice plate 11 is 23%, and the aperture ratio of the lower orifice plate 10 is 49%.
A packing mandrel 12 is arranged on the central axis of the cylinder body 1, one end of the packing mandrel 12 is fixed on the upper tube plate 2, the other end of the packing mandrel passes through the upper orifice plate 11 and is positioned between the upper orifice plate 11 and the lower orifice plate 10, and communicating holes are distributed on the surface of the packing mandrel 12. A pull rod is further arranged in the cylinder body 1, one end of the pull rod is connected to the upper tube plate 2, and the other end of the pull rod penetrates through the upper orifice plate 11 and the lower orifice plate 10 and is positioned between the lower orifice plate 10 and the lower tube plate 3. The dry pipe ice evaporator also comprises a water tank above the cylinder 1; the water tank is connected with a heat exchange tube 4.
The spoiler is formed by twisting a stainless steel plate, wherein the stainless steel plate can be ferrite stainless steel, such as: 201. the spoiler width may be 29cm, 360 degrees twisted per 150 cm.
The working process of the dry pipe ice evaporator is as follows: the refrigerant enters the coil pipe from the auxiliary connecting pipe at the lower end of the cylinder body, the coil pipe uniformly flows into the cylinder body from all directions through the through holes, then the refrigerant passes through the lower pore plate and the upper pore plate for flow speed adjustment, and is guided by the spoiler, and the refrigerant can only flow around the heat exchange pipe to rise to exchange heat with water flowing through the heat exchange pipe, become low-temperature low-pressure refrigerant gas, and finally return air from the coil pipe at the upper end of the cylinder body.
In summary, the dry pipe ice evaporator provided by the invention consists of a supercooling cavity, a coil pipe, small holes, a heat exchange pipe, a spoiler, a filling mandrel, an upper pore plate, a lower pore plate, a pull rod, a pipe plate, a cylinder body, an auxiliary connecting pipe and the like. The heat exchange tube is welded with the upper tube plate and the lower tube plate, the middle tube plate is connected with the spoiler in an expansion mode, the upper hole plate and the lower hole plate are fixed by the filler mandrel and the pull rod, and the heat exchange tube is formed by uniformly forming two rows of small holes on the cylinder body and the tube plate and uniformly forming the coil pipe to wrap the small holes on the cylinder body and the auxiliary connecting tube in a welding mode.
Because the spoiler has drainage, disturbance, upper and lower orifice plates have the direction, and coil pipe aperture liquid supply subassembly has even liquid supply effect, and under the multiple effects such as subcooling chamber has thermal-insulated, recoil, coil pipe aperture even liquid supply breaks the original flow direction of refrigerant, makes the refrigerant must flow around the heat transfer pipe to improve the heat transfer effect of evaporimeter, reduce the evaporimeter refrigerant filling volume, reduce icing deicing time, greatly increased the pipe ice machine ice production. In the same tonnage and specification, the quantity of heat exchange tubes is reduced by 15 percent, the refrigerant filling quantity is reduced by 70 percent, the evaporator is changed from full liquid of an original structure into dry evaporation of a new structure, the manufacturing cost is reduced by nearly 30 percent compared with the traditional design, and the ice production quantity is 2 times of the original one, thereby obtaining good economic benefit.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (4)
1. The dry pipe ice evaporator is characterized by comprising a barrel, wherein an upper pipe plate and a lower pipe plate are respectively arranged at two ends of the barrel, a plurality of heat exchange pipes in the vertical direction are uniformly distributed in the barrel, and two ends of the heat exchange pipes respectively penetrate through and are connected with the upper pipe plate and the lower pipe plate;
a spoiler is arranged between the adjacent heat exchange tubes, the spoiler spirally rises around the central axis of the spoiler, and two side edges of the spoiler are respectively connected to the side surfaces of the adjacent heat exchange tubes;
the tube body is provided with a coil pipe horizontally encircling the tube body near the upper tube plate and the lower tube plate respectively, the coil pipe is provided with a through hole communicated with the inside of the tube body, the coil pipe is connected with an auxiliary connecting pipe, and the auxiliary connecting pipe is connected with a refrigerant channel;
the lower end of the cylinder body is also provided with an intermediate tube plate, the heat exchange tubes are connected to the intermediate tube plate in an expanded mode, and a supercooling cavity is arranged between the intermediate tube plate and the lower tube plate;
a lower pore plate and an upper pore plate are arranged between the upper tube plate and the lower tube plate of the cylinder body from bottom to top in the vertical direction near the lower tube plate, the lower pore plate and the upper pore plate are provided with the same through holes, the aperture ratio of the lower pore plate is larger than that of the upper pore plate, and the upper end and the lower end of the spoiler are respectively connected with the upper tube plate and the upper pore plate;
and a filling mandrel is arranged on the central axis of the cylinder body, one end of the filling mandrel is fixed on the upper tube plate, the other end of the filling mandrel penetrates through the upper tube plate and is positioned between the upper tube plate and the lower tube plate, and communicating holes are distributed on the surface of the filling mandrel.
2. The dry tube ice evaporator of claim 1, wherein the upper orifice plate has an opening ratio of 23% and the lower orifice plate has an opening ratio of 49%.
3. A dry tube ice evaporator as set forth in claim 1 wherein a tie rod is further provided in said barrel, said tie rod having one end connected to said upper tube sheet and the other end passing through said upper and lower tube sheets between said lower and lower tube sheets.
4. The dry tube ice evaporator of claim 1, further comprising a water tank above the cylinder, the water tank being connected to the heat exchange tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205265.3A CN108224852B (en) | 2018-03-13 | 2018-03-13 | Dry-type pipe ice evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205265.3A CN108224852B (en) | 2018-03-13 | 2018-03-13 | Dry-type pipe ice evaporator |
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| Publication Number | Publication Date |
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| CN108224852A CN108224852A (en) | 2018-06-29 |
| CN108224852B true CN108224852B (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810205265.3A Active CN108224852B (en) | 2018-03-13 | 2018-03-13 | Dry-type pipe ice evaporator |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5366666A (en) * | 1990-05-25 | 1994-11-22 | Uop | Multiple downcomer fractionation tray having packing between downcomers |
| US5832739A (en) * | 1996-11-26 | 1998-11-10 | Rti Inc. | Heat exchanger for evaporative cooling refrigeration system |
| CN2454751Y (en) * | 2000-12-07 | 2001-10-17 | 财团法人工业技术研究院 | Fin-radiator fins with vortex generator |
| CN104913597A (en) * | 2015-06-08 | 2015-09-16 | 大连冷冻机股份有限公司 | Ammonia cooling dewaterer with cyclone separation function |
| CN204943976U (en) * | 2015-07-28 | 2016-01-06 | 深圳市雷普诺科技发展有限公司 | Wind-cooling type helix tube condenser |
| CN106767041A (en) * | 2016-12-26 | 2017-05-31 | 黑龙江科技大学 | A kind of visual oil cooler of full Needle fin tube of longitudinal-flow |
| CN206772092U (en) * | 2017-02-08 | 2017-12-19 | 北京极易化工有限公司 | A kind of tubular heat exchanger |
| CN107631521A (en) * | 2017-10-12 | 2018-01-26 | 江苏世林博尔制冷设备有限公司 | A kind of rectangular dry-type shell-and-tube heat exchanger |
-
2018
- 2018-03-13 CN CN201810205265.3A patent/CN108224852B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5366666A (en) * | 1990-05-25 | 1994-11-22 | Uop | Multiple downcomer fractionation tray having packing between downcomers |
| US5832739A (en) * | 1996-11-26 | 1998-11-10 | Rti Inc. | Heat exchanger for evaporative cooling refrigeration system |
| CN2454751Y (en) * | 2000-12-07 | 2001-10-17 | 财团法人工业技术研究院 | Fin-radiator fins with vortex generator |
| CN104913597A (en) * | 2015-06-08 | 2015-09-16 | 大连冷冻机股份有限公司 | Ammonia cooling dewaterer with cyclone separation function |
| CN204943976U (en) * | 2015-07-28 | 2016-01-06 | 深圳市雷普诺科技发展有限公司 | Wind-cooling type helix tube condenser |
| CN106767041A (en) * | 2016-12-26 | 2017-05-31 | 黑龙江科技大学 | A kind of visual oil cooler of full Needle fin tube of longitudinal-flow |
| CN206772092U (en) * | 2017-02-08 | 2017-12-19 | 北京极易化工有限公司 | A kind of tubular heat exchanger |
| CN107631521A (en) * | 2017-10-12 | 2018-01-26 | 江苏世林博尔制冷设备有限公司 | A kind of rectangular dry-type shell-and-tube heat exchanger |
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| CN108224852A (en) | 2018-06-29 |
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