CN111006530A - Heat exchanger device and heat exchange system for inner component of crescent fan - Google Patents
Heat exchanger device and heat exchange system for inner component of crescent fan Download PDFInfo
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- CN111006530A CN111006530A CN201911130190.8A CN201911130190A CN111006530A CN 111006530 A CN111006530 A CN 111006530A CN 201911130190 A CN201911130190 A CN 201911130190A CN 111006530 A CN111006530 A CN 111006530A
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- cold fluid
- heat exchanger
- supporting plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/02—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by influencing fluid boundary
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
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- Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a crescent moon fan inner member heat exchanger device and a heat exchange system, comprising: the bottom end of the pipe box is provided with a cold fluid inlet, and the top of the pipe box is provided with a cold fluid outlet; a lower supporting plate is arranged in the pipe box close to the cold fluid inlet, and an upper supporting plate is arranged in the pipe box close to the cold fluid outlet; a plurality of exhaust holes are formed in the lower supporting plate and the upper supporting plate; the fixed shafts are arranged between the lower supporting plate and the upper supporting plate; the fixed shaft is provided with a plurality of crescent fan inner members through bearings; the crescent fan inner component can rotate relative to the fixed shaft through a bearing; the crescent fan inner component comprises a plurality of blades which are uniformly arranged in the circumferential direction, and each blade is arranged in a crescent shape. The crescent moon fan inner member is close to the inner wall of the tube box but does not contact the inner wall, so that the area of a thermal boundary layer cannot be additionally increased, the self-rotating turbulent flow inner member can automatically rotate under the driving of air flow without external power, the disturbance of fluid is increased, the thickness of a thermal boundary layer is effectively reduced, and the heat exchange efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of waste heat transfer process reinforcement, and particularly relates to a crescent fan inner member heat exchanger device and a heat exchange system.
Background
China belongs to a typical country with more coal, poor oil and less gas, and currently, coal is the most important primary energy source in China. In the conversion and utilization process of coal, the medium-low temperature carbonization technology is used as a 'tap' for classified utilization of coal according to quality. The coal is subjected to low-temperature dry distillation to obtain solid semi-coke, liquid coal tar and gaseous coal gas, the hot coal gas contains a large amount of waste heat, and the heat value can reach 33.5-37.7MJ/m3At the present stage, part of the coal gas is directly discharged, and part of the coal gas is recycled. If liquid ammonia is adopted for cooling in recycling, water, electricity, liquid ammonia and the like are wasted, and serious energy waste is caused.
In order to further improve the recovery and utilization of the waste heat of the coal gas, optimize and promote the green, high-efficiency and sustainable low-temperature carbonization process of the coal. The heat exchanger can be further improved, and the heat transfer performance of the heat exchanger is effectively improved. The traditional heat transfer enhancement technology comprises active and passive heat transfer enhancement technologies, the active heat transfer enhancement technology is used for enhancing heat transfer by methods such as mechanical rotation, and the method needs additional power equipment, so that the power cost is increased; the passive technology mainly comprises the steps that additives are inserted into the tube to enhance heat transfer, and the disturbance of fluid is increased by arranging an inner member in the tube wall or the tube, so that the thickness of a thermal boundary layer is reduced, and the heat transfer process is enhanced. For the static turbulence internal member, such as the twisted iron internal member heat exchanger and the flat iron internal member heat exchanger, the heat transfer performance is respectively 1.62 to 1.8 times and 1.2 to 1.3 times of that of the hollow tube heat exchanger, but the resistance is increased by more than three times. The heat transfer performance of the twisted belt inner member heat exchanger is 1.6 times that of a hollow pipe, but the resistance is increased by 9 times, and the inner wall of the heat exchange pipe is seriously abraded by the twisted belt.
The static turbulence inner member is adopted, the heat transfer strengthening effect is good, but the pressure drop of the heat exchanger is increased too much, and the heat exchanger is not suitable for the tail gas waste heat recovery process.
Disclosure of Invention
The invention aims to provide a crescent moon fan inner member heat exchanger device and a heat exchange system, which aim to solve the technical problems. According to the invention, the automatic rotation of the component in the crescent moon is realized under the action of the tail gas flow velocity, the technology is passive to active, the thickness of a thermal boundary layer is effectively reduced on the basis of not increasing the area of the thermal boundary layer, the heat transfer performance is enhanced, the pressure drop increase of the heat exchanger is small, the effect of actively enhancing heat transfer can be achieved, the power cost can be saved, and the problems of poor heat transfer effect and large pressure drop of the heat exchanger in the prior art are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a crescent fan internals heat exchanger apparatus comprising:
the bottom end of the pipe box is provided with a cold fluid inlet, and the top of the pipe box is provided with a cold fluid outlet;
a lower supporting plate is arranged in the pipe box close to the cold fluid inlet, and an upper supporting plate is arranged in the pipe box close to the cold fluid outlet; the lower supporting plate and the upper supporting plate are respectively provided with a plurality of exhaust holes;
the fixed shafts are arranged between the lower supporting plate and the upper supporting plate; the fixed shaft is provided with a plurality of crescent fan inner components through bearings; the crescent fan inner component can rotate relative to the fixed shaft through a bearing;
the crescent fan inner component comprises a plurality of blades which are uniformly arranged in the circumferential direction, and each blade is arranged in a crescent shape.
Further, the inclination angle of the blades of the crescent fan inner component is 12-21 degrees.
Furthermore, the bearing is axially fixed on the fixed shaft through a bearing jacket.
Further, the crescent moon fan inner component is arranged close to the inner wall of the tube box.
Furthermore, 5-12 fixed shafts are fixedly arranged between the lower supporting plate and the upper supporting plate.
Further, each crescent fan internals includes three or five blades.
Further, each crescent fan internals includes five blades, the angle of which is 15 °.
Furthermore, 5-7 fixed shafts are fixedly arranged between the lower supporting plate and the upper supporting plate.
Furthermore, each fixed shaft is provided with 15 crescent fan inner members.
A crescent moon fan internals heat exchange system comprising:
a cold fluid input system, a hot fluid output system and a string moon fan inner component heat exchanger device;
the cold fluid input system comprises a gas delivery pipe;
the hot fluid output system comprises a steam pump and a shell; the steam pump is connected with the shell;
the tube box is arranged in the shell, and the hot fluid is positioned in a gap between the shell and the tube box; a cold fluid inlet and a cold fluid outlet of the heat exchanger device extend out of the shell and are sealed with the shell;
the steam pump is used for inputting the high-temperature tail gas into a gap between the shell and the pipe box to provide heat;
the fan is connected with the cold fluid inlet through a gas transmission pipe; the gas transmission pipe is provided with a rotor flow meter; an inlet temperature measuring instrument is arranged on the gas transmission pipe close to the cold fluid inlet; when the fan works, cold fluid can be fed into the pipe box, the inner component of the crescent fan can automatically rotate under the driving of the cold fluid, the disturbance of the cold fluid is increased, the thermal resistance of the cold fluid is effectively reduced, and the heat transfer effect is improved.
Compared with the prior art, the invention has the following beneficial technical effects:
the heat exchanger device fixes the upper and lower support plates of the crescent moon fan inner member in the tube box, the crescent moon fan inner member is arranged on the bearing, the crescent moon fan inner member is close to the inner wall of the tube box but does not contact the inner wall, the area of a thermal boundary layer cannot be additionally increased, the self-rotating turbulent flow inner member is driven by airflow, external power is not needed, the automatic rotation can be realized, the disturbance of fluid is increased, the 'flushing' effect of gas on the inner wall of the tube box is improved, the thickness of the thermal boundary layer is effectively reduced, the heat exchange efficiency is improved, the crescent moon fan inner member can automatically rotate, and the pressure drop increase amplitude of the heat exchanger is smaller.
Furthermore, the crescent moon-shaped inner component of the crescent moon fan is crescent moon-shaped, the fluid resistance of the crescent moon-shaped fan-shaped inner component in the air is small, the rotation is stable, and the tail gas waste heat recovery and utilization are facilitated.
Furthermore, the upper end and the lower end of the fixed shaft of the crescent moon fan inner component are respectively provided with an upper supporting plate and a lower supporting plate of the crescent moon fan inner component, and the upper supporting plate and the lower supporting plate are connected to the inner side of the tube box. The bearing clamping sleeve is arranged on the fixed shaft, and the bearing clamping sleeve fixes the bearing to finally limit the crescent fan inner member, so that the crescent fan inner member is more stably arranged on the fixed shaft.
Furthermore, the outer edge of the inner component of the crescent moon fan is close to the inner wall of the tube box but does not contact the inner wall, so that the thickness of a thermal boundary layer is effectively reduced and the heat transfer process is enhanced under the condition that the thermal boundary area is not increased.
Furthermore, the fixing shafts of the crescent moon fan inner component are arranged in the pipe box by 5-12, and the arrangement enables the fixing shafts of the crescent moon fan inner component to be distributed more uniformly.
The invention further provides a heat exchange system of the crescent fan inner member heat exchanger device, which comprises a cold fluid input system, a hot fluid output system and a heat exchange device.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and are not intended to limit the invention. In the drawings:
FIG. 1(a) is a schematic structural diagram of an internal component of a three-blade crescent fan according to the present invention;
FIG. 1(b) is a schematic structural diagram of an inner member of a five-blade crescent fan according to the present invention;
FIG. 1(c) is a profile view of a blade;
FIG. 2 is a schematic view of a tube box according to the present invention;
FIG. 3 is a schematic structural view of a lower support plate of the inner component of the crescent moon fan;
FIG. 4 is a schematic view of the heat exchange system of the present invention;
FIG. 5 is a graph comparing the maximum vorticity at different tilt angles for three-bladed and five-bladed crescent moon fan internals;
fig. 6(a) is a comparison diagram of a crescent fan internals heat exchanger and a stationary fan internals heat exchanger Nu;
FIG. 6(b) is a graph comparing pressure drop of a crescent fan internals heat exchanger to a stationary fan internals heat exchanger.
In the figure: 1 is a tube box; 2, a lower supporting plate; 3, fixing a shaft; 4, supporting plates are arranged on the upper support plate; 5 a cold fluid outlet; 6 bearing jacket; 7, a bearing; 8 crescent fan inner member; 9 a cold fluid inlet; 10, a fan; 11 a rotameter; 12 gas conveying pipe; 13 an inlet temperature detector; 14 a housing; 15 outlet thermometer; 16 a steam pump; 17 a static air valve.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
Referring to fig. 1(a) to 3, the present invention provides a crescent fan inner member heat exchanger device, including: the pipe box 1, the crescent fan inner member 8, the fixed shaft 3, the lower support plate 2 and the upper support plate 4.
The bottom end of the tube box 1 is provided with a cold fluid inlet 9, and the top end of the tube box is provided with a cold fluid outlet 5 and a cold fluid outlet thermodetector 15; a lower supporting plate 2 is arranged in the pipe box 1 close to a cold fluid inlet 9, and an upper supporting plate 4 is arranged in the pipe box close to a cold fluid outlet 5; a plurality of exhaust holes are arranged on the lower supporting plate 2 and the upper supporting plate 4. The fixed shafts 3 of the plurality of crescent fan inner components are arranged between the lower supporting plate 2 and the upper supporting plate 4; the fixed shaft 3 is provided with a bearing 7, and the outer end of the bearing 7 is provided with an inner component 8 of the crescent fan; the crescent fan inner member 8 is rotatable relative to the fixed shaft 3 via the bearing 7.
The crescent fan inner 8 includes a plurality of circumferentially uniformly arranged blades, and each blade 81 is provided in a crescent shape.
The blade inclination angle of the crescent fan inner member 8 is 12-21 degrees.
Referring to FIG. 1(c), each blade 81 has a blade root width of 28mm and a length of 60 cm; the contour line of the blade 81 is formed by sequentially and smoothly connecting a first circular arc-shaped section 811, a second circular arc-shaped section 812, a third circular arc-shaped section 813 and a fourth circular arc-shaped section 814; the radius of the first circular arc shaped section 811 is 61mm, the radius of the second circular arc shaped section 812 is 10mm, the radius of the third circular arc shaped section 813 is 120mm, and the radius of the fourth circular arc shaped section 814 is 81 mm.
The fixed shaft 3 is provided with a bearing clamping sleeve 6, and the bearing clamping sleeve 6 is positioned at two sides of the bearing 7 to axially fix the bearing 7 on the fixed shaft 3.
The fixed shaft 3 is arranged in 5-12 tubes in the tube box 1.
Referring to fig. 4 to fig. 6(b), the present invention further provides a heat exchange system of a heat exchanger device of a crescent fan, comprising: a cold fluid input system, a hot fluid output system and a heat exchange device; the cold fluid input system comprises a gas delivery pipe 12; the hot fluid outlet system comprises a steam pump 16, the tube box 1 is arranged inside the housing 14, and the hot fluid is located in the gap between the housing 14 and the tube box 1. The cold fluid inlet 9 and the cold fluid outlet 5 of the heat exchanger device project outside the housing 14 and are sealed off from the housing 14.
The outer surface of the shell 14 is provided with a thermal insulation material.
The fan 10 is connected with the cold fluid inlet 9 through a gas conveying pipe 12; the gas transmission pipe 12 is provided with a rotor flow meter 11; an inlet temperature measuring instrument 13 is arranged on the gas transmission pipe 12 near the cold fluid inlet 9. The fan 10 works to send the cold fluid into the pipe box 1, the internal component 8 of the crescent fan automatically rotates under the driving of the cold fluid, the disturbance of the cold fluid is increased, the thermal resistance of the cold fluid is effectively reduced, and the heat transfer effect of the heat exchanger is improved.
The high temperature exhaust gas is fed into the gap between the casing 14 and the header 1 by the steam pump 16 to provide heat.
The cold fluid leaves the heat exchanger through the cold fluid outlet 5 after being preheated by hot steam.
The fixed shafts 3 of the inner components of the crescent fan are arranged in parallel by 5-12; preferably, 5-9 are provided; more preferably, 5-7 are provided; each fixed shaft is provided with 15 crescent fan inner members.
The inclination angle of the blades of the inner component of the crescent fan is 12-21 degrees; preferably, the inclination angle is set to 15 °.
The crescent fan inner component is a three-blade crescent fan inner component or a five-blade crescent fan inner component; preferably, a five-bladed 15 ° pitch angle crescent fan inner is selected.
The crescent fan inner member 8 automatically rotates at a high speed under the driving of the cold fluid, so that the disturbance of the cold fluid, particularly the scouring action on a thermal boundary layer at the inner wall of the pipe box is obviously increased, the thickness of the thermal boundary layer is effectively reduced, and the heat exchange performance of the heat exchanger is improved;
the heat exchange device can be used for modifying old equipment, and has low cost and quick response.
The low-temperature fluid enters the pipe box 1 from the inlet 9 and passes through the crescent fan inner component 8, the disturbance of the cold fluid on the side with larger thermal resistance can be increased, the scouring effect of the gas on the heat exchange surface is improved, the thickness of the heat transfer boundary layer is reduced, and the heat exchange effect is effectively improved.
The invention relates to a crescent moon fan inner member lower support plate 2 which has the same structure as a crescent moon fan inner member upper support plate 4, and exhaust holes are distributed on the crescent moon fan inner member lower support plate.
In FIG. 4, high-temperature steam is input into a gap between the shell and the pipe box through a steam pump 16 to provide heat, a cold fluid enters a cold fluid inlet 9 after the flow of the cold fluid is measured through a fan 10 through a rotor flow meter 11, an internal member of the crescent fan is driven to rotate at a high speed, the thickness of a thermal boundary layer is reduced, the rate of heat transferred to the cold fluid side from the gap is increased, and the Knudsen standard number Nu of the heat exchanger is measured through a cold fluid inlet gas thermometer 13 and a cold fluid outlet gas thermometer 15.
Example 1
The three-blade crescent moon fan inner member is I, the five-blade crescent moon fan inner member is II, the inclination angle of the blades is α, and through CFD fluid mechanics software simulation, the vorticity of the two blades under different inclination angles is shown in figure 5, and it can be known from the figure that when the inclination angle reaches 15 degrees, the maximum vorticity of the crescent moon fan is 2400s-1And the vortex quantity is obviously increased when the inclination angle reaches 21 degrees, and the maximum vortex quantity of the inner member of the five-blade crescent-shaped fan is obviously smaller than that of the inner member of the three-blade crescent-shaped fan, so that the flow loss of gas is improved, and the noise of gas flow disturbance and the vibration of the fan are reduced. Therefore, the internal member structure of the crescent fan with the five blades having the inclination angle of 15 degrees is better, and the structure is adopted as the structure of the heat transfer strengthening internal member.
Example 2
The cold fluid in the tube is air which is transported by a fan and enters the heat exchange tube inner tube after entering the rotameter to measure the flow, and the flow is 50m3H is used as the reference value. A string of crescent moon fan inner member strings are arranged in the pipe. The tube gap is used for removing steam, and the steam is produced by a steam generator. The designed crescent fan inner component can automatically rotate at high speed in the pipe under the drive of air. Comparative experiments were performed on the above apparatus.
Group I is a fixed and static inner member of the 15 groups of five-blade crescent fans;
group II is a self-rotating inner member of a 15-group five-blade crescent fan;
the experimental data was collected for two groups of heat exchangers, and the results of the two groups of experiments are shown in fig. 6(a) and 6 (b):
as can be seen from fig. 6(a) and 6(b), the nussel norm number Nu of the heat exchange of the self-rotating five-blade crescent fan is 165, and the pressure drop 1810Pa of the heat exchanger; the Nu of the component heat exchanger in the static 15 groups of five-blade crescent fans is 148, and the pressure drop of the heat exchanger is 5930 Pa. Therefore, the self-rotating crescent fan inner component can effectively improve the heat transfer performance of the heat exchanger, and most importantly, the pressure drop increase of the heat exchanger is obviously reduced.
As can be seen from fig. 5, 6(a) and 6(b), the spinning internals heat exchanger of the five-bladed crescent fan has the best overall performance compared to the stationary internals heat exchanger of the five-bladed crescent fan and the spinning internals heat exchanger of the three-bladed crescent fan.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
1. A crescent moon fan internals heat exchanger apparatus, comprising:
the device comprises a pipe box (1), wherein a cold fluid inlet (9) is formed in the bottom end of the pipe box (1), and a cold fluid outlet (5) is formed in the top of the pipe box;
a lower supporting plate (2) is arranged in the pipe box (1) close to the cold fluid inlet (9), and an upper supporting plate (4) is arranged close to the cold fluid outlet (5); a plurality of exhaust holes are formed in the lower supporting plate (2) and the upper supporting plate (4);
a plurality of fixed shafts (3) are arranged between the lower supporting plate (2) and the upper supporting plate (4); a plurality of crescent fan inner members (8) are arranged on the fixed shaft (3) through bearings (7); the crescent fan inner component (8) can rotate relative to the fixed shaft (3) through the bearing (7);
the crescent fan inner component (8) comprises a plurality of blades which are uniformly arranged in the circumferential direction, and each blade is in a crescent shape.
2. A crescent fan internals heat exchanger device according to claim 1, characterized in that the angle of inclination of the blades of the crescent fan internals (8) is 12 ° -21 °.
3. A crescent fan internals heat exchanger device according to claim 1, characterized in that the bearing (7) is axially fixed to the stationary shaft (3) by means of a bearing jacket (6).
4. A crescent fan internals heat exchanger device according to claim 1, characterized in that the crescent fan internals (8) are mounted close to the inner wall of the channel (1).
5. A crescent fan internals heat exchanger device according to claim 1, characterized in that between 5 and 12 stationary shafts (3) are fixedly mounted between the lower support plate (2) and the upper support plate (4).
6. A crescent fan internals heat exchanger device according to claim 1, characterized in that each crescent fan internals (8) comprises three or five blades.
7. A crescent fan internals heat exchanger device according to claim 1, characterized in that each crescent fan internals (8) comprises five blades, the angle of the blades being 15 °.
8. A crescent fan internals heat exchanger device according to claim 1, characterized in that between 5 and 7 stationary shafts (3) are fixedly mounted between the lower support plate (2) and the upper support plate (4).
9. Crescent fan internals heat exchanger device according to claim 1, characterized in that 15 crescent fan internals (8) are provided on each stationary shaft (3).
10. A crescent fan internals heat exchange system based on any one of claims 1 to 9, comprising:
a cold fluid input system, a hot fluid output system and a string moon fan inner component heat exchanger device;
the cold fluid input system comprises a gas delivery pipe (12);
the hot fluid output system comprises a steam pump (16) and a shell (14); the steam pump (16) is connected with the shell (14);
the tube box (1) is arranged in the shell (14), and the hot fluid is positioned in a gap between the shell (14) and the tube box (1); the cold fluid inlet (9) and the cold fluid outlet (5) of the heat exchanger device extend out of the shell (14) and are sealed with the shell (14);
the steam pump (16) is used for inputting high-temperature tail gas into a gap between the shell (14) and the pipe box (1) to provide heat;
the fan (10) is connected with the cold fluid inlet (9) through a gas pipe (12); a rotor flow meter (11) is arranged on the gas transmission pipe (12); an inlet temperature measuring instrument (13) is arranged on the gas transmission pipe (12) close to the cold fluid inlet (9); when the fan (10) works, cold fluid can be sent into the pipe box (1), the crescent fan inner component (8) can automatically rotate under the driving of the cold fluid, the disturbance of the cold fluid is increased, the thermal resistance of the cold fluid is effectively reduced, and the heat transfer effect is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911130190.8A CN111006530A (en) | 2019-11-18 | 2019-11-18 | Heat exchanger device and heat exchange system for inner component of crescent fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911130190.8A CN111006530A (en) | 2019-11-18 | 2019-11-18 | Heat exchanger device and heat exchange system for inner component of crescent fan |
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| CN111006530A true CN111006530A (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911130190.8A Pending CN111006530A (en) | 2019-11-18 | 2019-11-18 | Heat exchanger device and heat exchange system for inner component of crescent fan |
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| CN (1) | CN111006530A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883944A (en) * | 2021-09-18 | 2022-01-04 | 绍兴梁正机械有限公司 | Heat recovery radiator of medium-pressure steam setting machine |
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| US4358245A (en) * | 1980-09-18 | 1982-11-09 | Bolt Beranek And Newman Inc. | Low noise fan |
| JPS59161688A (en) * | 1983-03-07 | 1984-09-12 | Matsushita Electric Ind Co Ltd | Heat exchanger |
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| CN107764090A (en) * | 2017-10-27 | 2018-03-06 | 榆林学院 | A kind of Efficient tubular heat exchanger device and heat-exchange system being modified based on surface |
| CN108940155A (en) * | 2018-10-16 | 2018-12-07 | 毛燕婷 | A kind of reaction kettle heating device and its heat-exchange system |
| CN109827459A (en) * | 2019-03-28 | 2019-05-31 | 广东索特能源科技有限公司 | A kind of swirl vane, eddy flow fan, rotational flow pipeline and preparation method thereof |
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2019
- 2019-11-18 CN CN201911130190.8A patent/CN111006530A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4358245A (en) * | 1980-09-18 | 1982-11-09 | Bolt Beranek And Newman Inc. | Low noise fan |
| JPS59161688A (en) * | 1983-03-07 | 1984-09-12 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| JP2005158812A (en) * | 2003-11-20 | 2005-06-16 | Fujikura Ltd | Heat sink with fan |
| CN106595383A (en) * | 2016-12-31 | 2017-04-26 | 上海康恒环境股份有限公司 | Condenser cleaning device based on impeller turbulent flow effect |
| CN107764090A (en) * | 2017-10-27 | 2018-03-06 | 榆林学院 | A kind of Efficient tubular heat exchanger device and heat-exchange system being modified based on surface |
| CN108940155A (en) * | 2018-10-16 | 2018-12-07 | 毛燕婷 | A kind of reaction kettle heating device and its heat-exchange system |
| CN109827459A (en) * | 2019-03-28 | 2019-05-31 | 广东索特能源科技有限公司 | A kind of swirl vane, eddy flow fan, rotational flow pipeline and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883944A (en) * | 2021-09-18 | 2022-01-04 | 绍兴梁正机械有限公司 | Heat recovery radiator of medium-pressure steam setting machine |
| CN113883944B (en) * | 2021-09-18 | 2022-05-06 | 绍兴梁正机械有限公司 | Heat recovery radiator of medium-pressure steam setting machine |
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Application publication date: 20200414 |
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| RJ01 | Rejection of invention patent application after publication |