CN210267809U - A high-efficiency flooded evaporator for heat source tower heat pump - Google Patents
A high-efficiency flooded evaporator for heat source tower heat pump Download PDFInfo
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- CN210267809U CN210267809U CN201920721236.2U CN201920721236U CN210267809U CN 210267809 U CN210267809 U CN 210267809U CN 201920721236 U CN201920721236 U CN 201920721236U CN 210267809 U CN210267809 U CN 210267809U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 210000003205 muscle Anatomy 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000012546 transfer Methods 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 abstract description 6
- 239000003507 refrigerant Substances 0.000 abstract description 6
- 125000006850 spacer group Chemical group 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
本实用新型公开了一种热源塔热泵专用高效满液式蒸发器，包括左封头和换热管，所述左封头一端底部设有进水口，一端顶部设有出水口，所述左封头内部设有第一隔筋，所述左封头另一端一次连接有第二左管板、第一左管板和换热管，所述换热管的另一端依次连接有第一右管板、第二右管板和右封头；可以实现蒸发器夏季高效供冷，冬季高效吸热，具有很好的节能效果；进出口换热管采用大小管配置，可以强化换热管外整体制冷剂传热系数，从而提高制冷效果；设置弹簧，在冬季蒸发器运行高黏度溶液时，可以对换热管内强化扰动，将极大提高蒸发器冬季管内传热系数，从而提高冬季换热性能，同时还能起到对换热器除垢的效果。
The utility model discloses a high-efficiency flooded evaporator dedicated to a heat source tower heat pump, which comprises a left head and a heat exchange tube. There is a first spacer rib inside the head, the other end of the left head is connected with the second left tube sheet, the first left tube sheet and the heat exchange tube at one time, and the other end of the heat exchange tube is sequentially connected with the first right tube plate, the second right tube plate and the right head; it can realize the efficient cooling of the evaporator in summer and heat absorption in winter, and has a good energy saving effect; the inlet and outlet heat exchange tubes are configured with large and small tubes, which can strengthen the overall external heat exchange tube. Refrigerant heat transfer coefficient, so as to improve the cooling effect; set the spring, when the evaporator runs a high-viscosity solution in winter, it can strengthen the disturbance in the heat exchange tube, which will greatly improve the heat transfer coefficient in the evaporator tube in winter, thereby improving the heat transfer performance in winter At the same time, it can also have the effect of descaling the heat exchanger.
Description
Technical Field
The utility model relates to a special high-efficient flooded evaporator of heat source tower heat pump belongs to refrigeration air conditioning system integrated technology field.
Background
The utility model relates to an evaporimeter especially relates to a special high-efficient flooded evaporator of heat source tower heat pump, belongs to the integrated technical field of refrigeration air conditioning system.
Background
At present, the proportion of building energy consumption to the terminal energy consumption of the whole society of China is about 27.5%. Along with the development of urbanization, the building energy consumption is rapidly increased, and the development of urbanization causes great pressure on building energy supply in China. In the current whole town building energy consumption, the air-conditioning energy consumption accounts for the most main aspect, particularly for the characteristic of the humid climate of hot summer, cold winter and cold air in the downstream region in the Yangtze river, and the refrigeration and air-conditioning energy consumption accounts for 50-70% of the total energy consumption of the building. Research and research show that more than 70% of the existing buildings at present belong to high-energy-consumption buildings and have certain energy-saving transformation potential.
As a novel heat pump system suitable for hot summer and cold winter areas, the heat source tower heat pump system has good applicability compared with the traditional air source heat pump, water source heat pump and water chilling unit plus boiler cooling and heating modes. The system runs in the cooling mode of a water-cooling water chilling unit in summer and runs in the heating mode of a heat pump in winter, a cooling tower is converted into a heat absorption device, namely an energy tower, the heat in the air is absorbed by spraying solution on the surface of a water spraying filler in the tower, and a condenser in the heat pump provides heat to realize system heating. The system does not influence the high-efficiency refrigeration performance of the water chilling unit in summer, can replace a boiler for heating in winter, and improves the energy utilization rate and the equipment utilization rate.
However, the heat pump system of the energy tower is used as a novel heat pump system, the water temperature at the inlet and the outlet of the flooded evaporator in summer operates according to the chilled water temperature of 7-12 ℃ of a conventional water chilling unit, the heat of an anti-freezing solution of the flooded evaporator in winter is transferred from the air to the system, the solution temperature of the flooded evaporator is greatly changed as the outdoor temperature in winter is reduced from 10 ℃ to-5 ℃, the lowest solution temperature reaches-15 ℃, the viscosity of the solution is sharply increased due to the increase of concentration and the reduction of temperature, the heat exchange effect of the heat exchanger is greatly deteriorated, when the solution temperature reaches-15 ℃, the evaporation temperature can be reduced to-20 ℃, the end difference reaches 5 ℃, while the conventional chilled water temperature of 7-12 ℃ is generally higher than 5 ℃, the end difference is generally less than 2 ℃, so the efficient flooded evaporator in winter and summer is designed, the method is of great importance to the large-scale popularization of the heat source tower heat pump system in summer hot and winter cold areas.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special high-efficient flooded evaporator of heat source tower heat pump to solve one of the above-mentioned multinomial defect or defect that leads to among the prior art.
The utility model provides a special high-efficient flooded evaporator of heat source tower heat pump, includes left head and heat exchange tube, left head one end bottom is equipped with the water inlet, and the one end top is equipped with the delivery port, the inside first muscle that separates that is equipped with of left head, the left head other end once is connected with left tube sheet of second, first left tube sheet and heat exchange tube, the other end of heat exchange tube has connected gradually right tube sheet of first right tube sheet, right tube sheet of second and right head.
Preferably, the second that is equipped with in the middle of the heat exchange tube separates the muscle, the second separates the muscle top and evenly is equipped with thick elliptical tube, and the bottom evenly is equipped with thin elliptical tube.
Preferably, a first spring is arranged in the thick elliptical tube, and a second spring is arranged in the thin elliptical tube.
Preferably, the bottom of the first left tube plate is uniformly provided with first fixing holes.
Preferably, the top of the first right tube plate is uniformly provided with second fixing holes.
Preferably, the thick elliptical tube and the thin elliptical tube are of alternate elliptical diameters.
Compared with the prior art, the utility model discloses the beneficial effect who reaches:
1. the utility model can realize the high-efficiency cooling of the evaporator in summer and the high-efficiency heat absorption in winter, and has good energy-saving effect;
2. the inlet and outlet heat exchange tubes of the utility model adopt the configuration of large and small tubes, and the heat transfer coefficient of the whole refrigerant outside the heat exchange tubes can be strengthened, thereby improving the refrigeration effect;
3. the heat exchange tube of the utility model adopts the field synergy principle to arrange the oval reducing heat exchange copper tube, which can strengthen the heat transfer coefficient inside and outside the single tube;
4. the utility model discloses set up the spring, when the evaporimeter moves high viscosity solution winter, can strengthen the disturbance in the heat transfer pipe, will greatly improve the intraductal coefficient of heat transfer in evaporimeter winter to improve heat transfer performance in winter, can also play the effect to the heat exchanger scale removal simultaneously.
Drawings
Fig. 1 is a front view of a winter evaporator according to the present invention;
FIG. 2 is a cross-sectional view of the heat exchange tube of the present invention;
FIG. 3 is a front view of the summer evaporator of the present invention;
fig. 4 is a left view of the left tube plate in summer;
fig. 5 is a right side view of the right tube plate in summer.
In the figure: 1. a water inlet; 2. a water outlet; 3. a first spacer rib; 4. a left end enclosure; 5. a right end enclosure; 6. a heat exchange pipe; 61. a thick oval tube; 62. a first spring; 63. a thin oval tube; 64. a second spring; 65. a second spacer rib; 7. a second left tube sheet; 8. a first left tube sheet; 81. a first fixing hole; 9. a first right tube sheet; 91. a second fixing hole; 10. a second right tube sheet.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-5, a special high-efficient flooded evaporator for a heat source tower heat pump is disclosed, including left head 4 and heat exchange tube 6, left head 4 one end bottom is equipped with water inlet 1, and the one end top is equipped with delivery port 2, left head 4 is inside to be equipped with first muscle 3 that separates, left head 4 other end once is connected with left tube sheet 7 of second, left tube sheet 8 of first and heat exchange tube 6, and left tube sheet 7 of second and right tube sheet 10 of second are detachable, the winter and summer and change of being convenient for, the other end of heat exchange tube 6 has connected gradually right tube sheet 9 of first, right tube sheet 10 of second and right head 5.
As shown in fig. 2, in the present embodiment, a second separating rib 65 is provided in the middle of the heat exchange tube 6, the top of the second separating rib 65 is uniformly provided with a thick elliptical tube 61, and the bottom of the second separating rib 65 is uniformly provided with a thin elliptical tube 63.
As shown in fig. 2, in the present embodiment, a first spring 62 is provided in the thick elliptical tube 61, and a second spring 64 is provided in the thin elliptical tube 63.
As shown in fig. 4, in the present embodiment, the bottom of the first left tube plate 8 is uniformly provided with first fixing holes 81 for fixing the first springs 62.
As shown in fig. 5, in the present embodiment, the top of the first right tube plate 9 is uniformly provided with second fixing holes 91 for fixing the second springs 64.
In the embodiment, as shown in fig. 1, the thick elliptical tubes 61 and the thin elliptical tubes 63 are alternately long and short in elliptical diameter, and the heat exchange tubes 6 are alternately long and short in elliptical diameter, for example, the diameter of an ellipse in a 300mm tube is 15mm, the diameter of a ellipse is 19mm, the diameter of an ellipse in a 300mm tube is vertically arranged, the diameter of an ellipse in a 300mm tube is 15mm, the diameter of a ellipse in a 300mm tube is 19mm, the diameter of a ellipse in a 300mm tube is horizontally arranged, and the two. The arrangement can realize the fluctuation of water in the flowing process of the pipeline, and the thickness of the boundary layer is reduced, so that the heat exchange is enhanced.
The working principle is as follows:
winter mode
As shown in fig. 1, the chilled water enters from a water inlet 1 at the bottom of the left end enclosure 4, enters a thin elliptical tube 63 inside the heat exchange tube 6 through a second left tube plate 7 and a first left tube plate 8 under the action of a spacer bar 3, enters the right end enclosure 5 through a first right tube plate 9 and a second right tube plate 10 after the temperature of the chilled water is reduced, the chilled water enters a thick elliptical tube 61 at the upper part from the thin elliptical tube 63 at the lower part through the second right tube plate 10 and the first right tube plate 9 to further reduce the temperature under the action of the right end enclosure 5, then flows out from a water outlet at the upper part of the left end enclosure 4 through the first left tube plate 8 and the second left tube plate 7, and the liquid refrigerant boils outside the heat exchange tube 6 to absorb.
Meanwhile, when the heat exchanger is arranged, the water inlet copper pipe of the water inlet 1 and the water outlet copper pipe of the water outlet 2 are arranged in different pipe diameters, a pipeline with the maximum diameter of 19mm is arranged on the lower pipe diameter, and a pipeline with the maximum diameter of 25mm is arranged on the upper copper pipe, so that the heat transfer effect of the refrigerant in the boiling heat exchange outside the pipe is better.
The lower part of the second left tube plate 7 is provided with a second spring 64 for fixing and strengthening heat exchange, when the high-concentration solution flows into the thin elliptical tube 63, the central water flow of the thin elliptical tube 63 impacts the wall surface of the pipeline under the action of the second spring to weaken the thickness of the boundary layer, so that the heat exchange effect is increased. The upper part of the second right tube plate 10 is also provided with a first spring 62 for fixing and strengthening heat exchange, and the first spring 62 and the second spring 64 are arranged along the flowing direction of the fluid all the time, so that the vibration of the springs can be realized under the condition of convenient flow, and a certain descaling effect can be achieved.
Summer mode
As shown in figure 3, in the mode, the second left tube plate 7 and the second right tube plate 10 are removed, meanwhile, the second spring 64 is removed, the chilled water enters from the water inlet 1 at the bottom of the left end socket 4, enters the thin elliptical tube 63 through the first left tube plate 8 under the action of the partition ribs 3, passes through the first right tube plate 9 and then enters the right end socket 5 after the temperature of the chilled water is reduced, the chilled water enters the thick elliptical tube 61 at the upper part from the thin elliptical tube 63 at the lower part through the first right tube plate 9 under the action of the right end socket 5 to be further cooled, then flows out through the first left tube plate 8 and the water outlet 2 at the upper part of the left end socket, and the liquid refrigerant boils outside the heat exchange tube 6 to absorb.
The heat exchange tubes 6 are alternately arranged in an oval length and diameter mode, for example, the oval minor diameter in a 300mm pipeline is 15mm, the major diameter is 19mm, the oval minor diameter in the 300mm pipeline is 15mm, the major diameter is 19mm, the two tubes are horizontally arranged, and the two tubes are connected within 10mm in a seamless mode. The arrangement can realize the fluctuation of water in the flowing process of the pipeline, and the thickness of the boundary layer is reduced, so that the heat exchange is enhanced.
Meanwhile, when the heat exchanger is arranged, the water inlet copper pipe of the water inlet 1 and the water outlet copper pipe of the water outlet 2 are arranged in different pipe diameters, a pipeline with the maximum diameter of 19mm is arranged on the lower pipe diameter, and a pipeline with the maximum diameter of 25mm is arranged on the upper copper pipe, so that the heat transfer effect of the refrigerant in the boiling heat exchange outside the pipe is better.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides a special high-efficient flooded evaporator of heat source tower heat pump, its characterized in that, includes left head (4) and heat exchange tube (6), left side head (4) one end bottom is equipped with water inlet (1), and the one end top is equipped with delivery port (2), left side head (4) inside is equipped with first muscle (3) that separate, left side head (4) other end once is connected with left tube sheet of second (7), first left tube sheet (8) and heat exchange tube (6), the other end of heat exchange tube (6) has connected gradually first right tube sheet (9), right tube sheet of second (10) and right head (5).
2. The special high-efficiency flooded evaporator for the heat source tower heat pump according to claim 1, wherein a second partition rib (65) is arranged in the middle of the heat exchange tube (6), thick elliptical tubes (61) are uniformly arranged at the top of the second partition rib (65), and thin elliptical tubes (63) are uniformly arranged at the bottom of the second partition rib.
3. The special high-efficiency flooded evaporator for the heat source tower heat pump according to claim 2, characterized in that a first spring (62) is arranged in the thick elliptical tube (61), and a second spring (64) is arranged in the thin elliptical tube (63).
4. The special high-efficiency flooded evaporator for the heat source tower heat pump according to claim 2, wherein the bottom of the first left tube plate (8) is uniformly provided with first fixing holes (81).
5. The special high-efficiency flooded evaporator for the heat source tower heat pump according to claim 1, wherein the top of the first right tube plate (9) is uniformly provided with second fixing holes (91).
6. The special high-efficiency flooded evaporator for the heat source tower heat pump according to claim 2, wherein the thick elliptical tubes (61) and the thin elliptical tubes (63) are alternately long and short in elliptical diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721236.2U CN210267809U (en) | 2019-05-20 | 2019-05-20 | A high-efficiency flooded evaporator for heat source tower heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920721236.2U CN210267809U (en) | 2019-05-20 | 2019-05-20 | A high-efficiency flooded evaporator for heat source tower heat pump |
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| Publication Number | Publication Date |
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| CN210267809U true CN210267809U (en) | 2020-04-07 |
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| CN201920721236.2U Active CN210267809U (en) | 2019-05-20 | 2019-05-20 | A high-efficiency flooded evaporator for heat source tower heat pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068173A (en) * | 2019-05-20 | 2019-07-30 | 南京工程学院 | A kind of heat source tower heat pump special efficient flooded evaporator |
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- 2019-05-20 CN CN201920721236.2U patent/CN210267809U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068173A (en) * | 2019-05-20 | 2019-07-30 | 南京工程学院 | A kind of heat source tower heat pump special efficient flooded evaporator |
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