CN116697572B - Heating ventilation air conditioner waste heat utilization device - Google Patents
Heating ventilation air conditioner waste heat utilization device Download PDFInfo
- Publication number
- CN116697572B CN116697572B CN202310577647.XA CN202310577647A CN116697572B CN 116697572 B CN116697572 B CN 116697572B CN 202310577647 A CN202310577647 A CN 202310577647A CN 116697572 B CN116697572 B CN 116697572B
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- China
- Prior art keywords
- heat exchange
- cover body
- device shell
- waste heat
- exchange tube
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- 239000002918 waste heat Substances 0.000 title claims abstract description 49
- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 238000009423 ventilation Methods 0.000 title claims abstract description 24
- 239000012530 fluid Substances 0.000 claims abstract description 41
- 239000007789 gas Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000004378 air conditioning Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 241000883990 Flabellum Species 0.000 claims 4
- 239000007787 solid Substances 0.000 claims 4
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
-
- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/08—Fluid driving means, e.g. pumps, fans
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Fluid Mechanics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of energy utilization, and discloses a heating ventilation air conditioner waste heat utilization device, which comprises a device shell, wherein an upper cover body is arranged at the upper end of the device shell, and an air outlet pipe is connected with the upper part of the upper cover body in a penetrating way; the lower end of the device shell is provided with a lower cover body, and the lower part of the lower cover body is connected with an air inlet pipe in a penetrating way; the upper part and the lower part of the side surface of the device shell are provided with a fluid outlet pipe and a fluid inlet pipe; the device shell is cylindrical, and an upper sealing plate and a lower sealing plate are respectively and fixedly arranged at two ends of the device shell; and a plurality of heat exchange tubes are arranged in the device shell and between the upper sealing plate and the lower sealing plate, and two ends of the heat exchange tubes are respectively communicated with the chambers of the upper cover body and the lower cover body. According to the heating ventilation air conditioner waste heat utilization device, the plurality of heat exchange tubes are arranged in the device shell, and the speed reducing rings are arranged on the heat exchange tubes, so that the flow speed of waste heat gas entering the heat exchange tubes is reduced, the heat exchange time of the waste heat gas and cold fluid is prolonged, and the heat exchange efficiency is improved.
Description
Technical Field
The invention relates to the technical field of energy utilization, in particular to a heating ventilation air conditioner waste heat utilization device.
Background
With the continuous development of society and the improvement of living standard of people, a large amount of energy is consumed, resulting in environmental pollution and exhaustion of resources. How to reasonably utilize the existing resources and promote sustainable development has become a hotspot problem of global common concern. In this process, the hvac industry is expected to be replete. Because the heating ventilation air conditioning system can adjust the environmental parameters such as temperature, humidity, fresh air and the like in a room or a workshop to the range meeting the human comfort requirement, and consumes huge energy. Therefore, how to utilize the waste heat generated by the heating ventilation air conditioning system to convert the waste heat into renewable energy sources and reduce energy waste has become the focus of technical development and application research in the field.
In the conventional hvac system, heat in air is absorbed while the air circulates indoors, and is discharged outdoors through a condenser. When some heating ventilation air conditioning systems are cooled, a large amount of generated waste heat is wasted. At present, the existing heating ventilation air conditioner waste heat utilization device utilizes waste heat energy generated by an air conditioning system, and transfers the waste heat energy to another hot water system by using a heat exchange technology, so that the waste heat energy can be effectively recovered and utilized. However, the heat exchange device in the device cannot reduce the flow speed of the waste heat air flow, so that the time of heat exchange of two media cannot be increased, the heat exchange contact area is small, the heat exchange efficiency is low, and the waste heat utilization rate is low.
Therefore, a heating ventilation air conditioner waste heat utilization device is designed.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a heating ventilation air conditioner waste heat utilization device which has the advantages of reducing the flow rate of waste heat air flow in a heat exchange tube, increasing the heat exchange time of the waste heat air flow and cold fluid, increasing the heat exchange efficiency and the like.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a heating ventilation air conditioner waste heat utilization device, includes the device casing, the upper end of device casing is equipped with the upper cover body, the upper portion of upper cover body link up and is connected with the outlet duct; the lower end of the device shell is provided with a lower cover body, and the lower part of the lower cover body is connected with an air inlet pipe in a penetrating way; the upper part and the lower part of the side surface of the device shell are provided with a fluid outlet pipe and a fluid inlet pipe; the device shell is cylindrical, and an upper sealing plate and a lower sealing plate are respectively and fixedly arranged at two ends of the device shell; a plurality of heat exchange tubes are arranged in the device shell and positioned between the upper sealing plate and the lower sealing plate, and two ends of each heat exchange tube are respectively communicated with the chambers of the upper cover body and the lower cover body; when the heat exchange device is used, waste heat gas enters the inner cavity of the lower cover body through the air inlet pipe and then enters the heat exchange pipes, enters the upper cover body after heat exchange is completed, and is discharged from the air outlet pipe; a plurality of deceleration rings for reducing the flow speed of the hot gas are arranged on the inner wall of the heat exchange tube; the inside of the device shell is positioned outside the heat exchange tube to form a circulation channel of cold fluid; and the fluid outlet pipe and the fluid inlet pipe are all communicated with the circulation channel.
Preferably, a plurality of baffle plates are further arranged in the device shell, and the baffle plates are arranged on the inner walls of the two sides of the device shell in a crossing mode, so that a circulating channel of cold fluid is in an S-shaped bending structure, and the contact time of the cold fluid and the heat exchange tube is prolonged.
Preferably, the outer wall of the speed reducing ring protrudes towards the outer side of the heat exchange tube, a backflow channel is arranged in the speed reducing ring, the backflow channel is in a semi-ring shape, two ends of the backflow channel are communicated with the air flow channel of the heat exchange tube, when waste heat gas flows from the air flow channel of the heat exchange tube, a part of air flow enters from the inlet of the backflow channel, and then flows into the air flow channel from the outlet of the backflow channel, and at the moment, the direction of the part of air flow is opposite to the direction of main air flow in the heat exchange tube, so that the flow speed of the main air flow in the heat exchange tube is slowed, the residence time of the air in the heat exchange tube is prolonged, and the heat exchange effect is improved; meanwhile, the outwards protruding decelerating ring can increase the contact area between the heat exchange tube and cold fluid, and further increase the heat exchange efficiency.
Preferably, the upper cover body and the lower cover body are hemispherical, and the upper cover body and the lower cover body are detachably connected to two ends of the device shell through threads or bolts.
Preferably, a diversion mechanism is arranged in the lower cover body, the diversion mechanism comprises a first fixed ring, a second fixed ring, connecting rods, bearings, a rotating shaft, diversion blades and driving blades, the inner sides of the first fixed ring and the second fixed ring are fixedly connected with the bearings through a plurality of connecting rods, two ends of the rotating shaft are respectively and rotatably connected to the two bearings, the driving blades are arranged on the outer side wall of the lower part of the rotating shaft, and when air flow enters from an air inlet pipe, the driving blades are driven to rotate, so that the rotating shaft is driven to rotate; the upper outer side wall of the rotating shaft is provided with a split fan blade, and when the rotating shaft rotates, the split fan blade is driven to rotate, and gas entering the inner cavity of the lower cover body is uniformly dispersed and then enters the heat exchange tube.
Preferably, the diameter of the first fixing ring is larger than that of the second fixing ring, and the first fixing ring and the second fixing ring are detachably arranged on the inner wall of the lower cover body.
Preferably, the driving fan blade is arranged in a 15-20-degree inclined manner, the lower surface of the driving fan blade is provided with a convex ridge, an obtuse angle is arranged between the convex ridge and the lower surface, when an air flow inlet pipe enters, the lower surface of the driving fan blade can be impacted, so that the driving fan blade is driven to rotate, the acting force of the air flow on the driving fan blade is enhanced due to the arrangement of the convex ridge, and the rotating effect is further improved.
Preferably, the inclination of the split blades is the same as that of the driving blades, and a plurality of through holes are formed in the split blades, when the split blades rotate, the entering air flow is scattered, so that the air flow uniformly enters each heat exchange tube, and the through holes are more beneficial to the passing of the air flow.
Preferably, the length of the split fan blade is greater than that of the driving fan blade, so that the split effect of waste heat gas is improved.
(III) beneficial effects
Compared with the prior art, the invention provides a heating ventilation air conditioner waste heat utilization device, which comprises the following components
The beneficial effects are that:
1. according to the heating ventilation air conditioner waste heat utilization device, the plurality of heat exchange tubes are arranged in the device shell, and the speed reducing rings are arranged on the heat exchange tubes, so that the flow speed of waste heat gas entering the heat exchange tubes is reduced, the heat exchange time of the waste heat gas and cold fluid is prolonged, and the heat exchange efficiency is improved.
2. According to the heating ventilation air conditioner waste heat utilization device, the contact area between the heat exchange pipe and cold fluid is increased by arranging the outwards-protruding speed reducing ring, namely the heat exchange area is increased, and the heat exchange effect is further improved.
3. According to the heating ventilation air conditioner waste heat utilization device, the plurality of baffle plates are arranged in the device shell, so that the circulation channel of cold fluid is of an S-shaped bending structure, the contact time of the cold fluid and the heat exchange tube is prolonged, and the heat exchange effect is improved.
4. According to the heating ventilation air conditioner waste heat utilization device, the split-flow mechanism is arranged in the lower cover body, and when waste heat gas enters from the air inlet pipe, the driving fan blades are driven to rotate, so that the rotating shaft is driven to rotate; the upper outer side wall of the rotating shaft is provided with the split-flow fan blades, when the rotating shaft rotates, the split-flow fan blades are driven to rotate, gas entering the inner cavity of the lower cover body is uniformly dispersed and then enters the heat exchange tube, and the heat exchange efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the device housing of the present invention;
FIG. 3 is a cross-sectional view of the device housing of the present invention;
FIG. 4 is a schematic view of a portion of a heat exchange tube according to the present invention;
FIG. 5 is a schematic view of the structure of the upper cover of the present invention;
FIG. 6 is a schematic view of the structure of the lower cover of the present invention;
FIG. 7 is a schematic view of a shunt mechanism according to the present invention;
FIG. 8 is a bottom view of the diverter mechanism of the present invention;
fig. 9 is an enlarged schematic view of the structure of fig. 8 a.
In the figure: 1. a device housing; 2. an upper cover; 3. an air outlet pipe; 4. a lower cover; 5. an air inlet pipe; 6. a fluid inlet tube; 7. a fluid outlet tube; 8. a shunt mechanism; 101. an upper sealing plate; 102. a heat exchange tube; 103. a lower sealing plate; 104. a speed reducing ring; 105. a baffle plate; 801. a first fixing ring; 802. a second fixing ring; 803. a connecting rod; 804. a bearing; 805. a rotating shaft; 806. a split blade; 807. driving the fan blades; 1021. an air flow channel; 1041. a return passage; 8061. a through hole; 8071. and (5) protruding fillets.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Examples:
referring to fig. 1-9, a heating ventilation air conditioner waste heat utilization device comprises a device shell 1, wherein an upper cover body 2 is arranged at the upper end of the device shell 1, and an air outlet pipe 3 is connected with the upper part of the upper cover body 2 in a penetrating way; the lower end of the device shell 1 is provided with a lower cover body 4, and the lower part of the lower cover body 4 is connected with an air inlet pipe 5 in a penetrating way; the upper and lower parts of the side surface of the device housing 1 are provided with a fluid outlet pipe 7 and a fluid inlet pipe 6; the device shell 1 is cylindrical, and an upper sealing plate 101 and a lower sealing plate 103 are fixedly arranged at two ends of the device shell respectively; a plurality of heat exchange tubes 102 are arranged in the device shell 1 between the upper sealing plate 101 and the lower sealing plate 103, and two ends of the heat exchange tubes 102 are respectively communicated with the chambers of the upper cover body 2 and the lower cover body 4; when in use, waste heat gas enters the inner cavity of the lower cover body 4 through the air inlet pipe 5, then enters the plurality of heat exchange pipes 102, enters the upper cover body 2 after heat exchange is completed, and is discharged from the air outlet pipe 3; a plurality of deceleration rings 104 for reducing the flow rate of the hot gas are arranged on the inner wall of the heat exchange tube 102; the inside of the device housing 1 is located outside the heat exchange tube 102 to form a circulation passage of the cold fluid; and the fluid outlet pipe 7 and the fluid inlet pipe 6 are communicated with the circulation channel.
In this embodiment, a plurality of baffles 105 are further disposed inside the device housing 1, the baffles 105 are disposed on inner walls of two sides of the device housing 1 in a crossing manner, and a channel through which cold fluid passes is disposed at one end of the baffle 105, so that the circulation channel of the cold fluid is in an S-shaped curved structure, and the contact time between the cold fluid and the heat exchange tube 102 is increased.
In this embodiment, the outer wall of the speed reducing ring 104 protrudes towards the outside of the heat exchange tube 102, and a backflow channel 1041 is disposed in the speed reducing ring 104, the backflow channel 1041 is in a semi-ring shape, and both ends of the backflow channel 1041 are communicated with the airflow channel 1021 of the heat exchange tube 102, when the waste heat gas circulates from the airflow channel 1021 of the heat exchange tube 102, a part of airflow enters from the inlet of the backflow channel 1041, and then flows into the airflow channel 1021 from the outlet of the backflow channel 1041, and at this time, the direction of the part of airflow is opposite to the direction of the main airflow in the heat exchange tube 102, so that the flow velocity of the main airflow in the heat exchange tube 102 is slowed down, the residence time of the gas in the heat exchange tube 102 is increased, and the heat exchange effect is increased; simultaneously, the outwardly protruding decelerating rings 104 can increase the contact area between the heat exchange tube 102 and the cold fluid, thereby further increasing the heat exchange efficiency.
Wherein, a side of the inlet of the return channel 1041 protrudes toward the inside of the airflow channel 1021, so that the return gas can enter the return channel 1041 more easily.
In this embodiment, the upper cover 2 and the lower cover 4 are hemispherical, and the upper cover 2 and the lower cover 4 are detachably connected to two ends of the device housing 1 by threads or bolts.
In this embodiment, a shunting mechanism 8 is disposed in the lower cover 4, and the shunting mechanism 8 includes a first fixing ring 801, a second fixing ring 802, a connecting rod 803, a bearing 804, a rotating shaft 805, a shunting fan blade 806 and a driving fan blade 807;
the diameter of the first fixing ring 801 is larger than that of the second fixing ring 802, and the first fixing ring 801 and the second fixing ring 802 are detachably mounted on the inner wall of the lower cover 4.
The inner sides of the first fixing ring 801 and the second fixing ring 802 are fixedly connected with bearings 804 through a plurality of connecting rods 803, two ends of a rotating shaft 805 are respectively and rotatably connected to the two bearings 804, a driving fan blade 807 is arranged on the outer side wall of the lower part of the rotating shaft 805, and when air flow enters from the air inlet pipe 5, the driving fan blade 807 is driven to rotate, so that the rotating shaft 805 is driven to rotate; the upper outer side wall of the rotating shaft 805 is provided with a split fan blade 806, and when the rotating shaft 805 rotates, the split fan blade 806 is driven to rotate, so that the gas entering the inner cavity of the lower cover body 4 is uniformly dispersed and then enters the heat exchange tube 102.
The driving fan blade 807 is obliquely arranged at 15-20 degrees, the lower surface of the driving fan blade 807 is provided with the convex ridge 8071, the convex ridge 8071 and the lower surface are obliquely arranged at an obtuse angle, when the air flow inlet pipe 5 enters, the lower surface of the driving fan blade 807 can be impacted, so that the driving fan blade 807 is driven to rotate, the acting force of the air flow on the driving fan blade 807 is enhanced due to the arrangement of the convex ridge 8071, and the rotating effect is further improved.
The inclination angle of the split fan blades 806 is the same as that of the driving fan blades 807, and the split fan blades 806 are provided with a plurality of through holes 8061, when the split fan blades 806 rotate, the entering air flow is scattered, so that the air flow uniformly enters each heat exchange tube 102, and the through holes 8061 are more beneficial to the passing of the air flow.
The length of the diverting vane 806 is greater than the length of the drive vane 807, thereby increasing the diverting effect of the waste heat gas.
Working principle: when the waste heat utilization device for the heating ventilation air conditioner is used, waste heat gas of the industrial heating ventilation air conditioner is led in from the air inlet pipe 5 of the device, enters the inner cavity of the lower cover body 4, is split by the splitting mechanism 8 and uniformly enters each heat exchange pipe 102, meanwhile, cold fluid is led in a cold fluid channel of the device shell 1 from the fluid inlet pipe 6, and the waste heat gas and the cold fluid enter the upper cover body 2 after heat exchange and are discharged from the air outlet pipe 3;
by arranging a plurality of heat exchange tubes 102 in the device shell 1 and arranging the speed reducing rings 104 on the heat exchange tubes 102, the flow rate of the waste heat gas entering the heat exchange tubes 102 is reduced, so that the heat exchange time of the waste heat gas and cold fluid is increased, and the heat exchange efficiency is increased. Meanwhile, the contact area between the heat exchange tube 102 and cold fluid is increased by arranging the outwards-protruding speed reducing ring 104, namely the heat exchange area is increased, so that the heat exchange effect is further improved;
the device shell 1 is internally provided with a plurality of baffle plates 105, so that a circulation channel of cold fluid is in an S-shaped bent structure, the contact time of the cold fluid and the heat exchange tube 102 is prolonged, and the heat exchange effect is improved.
By arranging the flow dividing mechanism 8 in the lower cover body 4, when waste heat gas enters from the air inlet pipe 5, the waste heat gas automatically drives the driving fan blades 807 to rotate, so that the rotating shaft 805 is driven to rotate; the upper outer side wall of the rotating shaft 805 is provided with the split-flow fan blades 806, when the rotating shaft 805 rotates, the split-flow fan blades 806 are driven to rotate, and gas entering the inner cavity of the lower cover body 4 is uniformly dispersed and then enters the heat exchange tube 102, so that the heat exchange efficiency is improved.
Claims (4)
1. The utility model provides a heating ventilation air conditioner waste heat utilization device, includes device casing (1), the upper end of device casing (1) is equipped with upper cover body (2), the upper portion through connection of upper cover body (2) has outlet duct (3); the lower end of the device shell (1) is provided with a lower cover body (4), and the lower part of the lower cover body (4) is connected with an air inlet pipe (5) in a penetrating way; the method is characterized in that: the upper and lower parts of the side surface of the device shell (1) are provided with a fluid outlet pipe (7) and a fluid inlet pipe (6); the device shell (1) is cylindrical, and an upper sealing plate (101) and a lower sealing plate (103) are fixedly arranged at two ends of the device shell respectively; a plurality of heat exchange tubes (102) are arranged in the device shell (1) and between the upper sealing plate (101) and the lower sealing plate (103), and two ends of the heat exchange tubes (102) are respectively communicated with the cavities of the upper cover body (2) and the lower cover body (4); when in use, waste heat gas enters the inner cavity of the lower cover body (4) through the air inlet pipe (5), then enters the plurality of heat exchange pipes (102), enters the upper cover body (2) after heat exchange is completed, and is discharged from the air outlet pipe (3); a plurality of deceleration rings (104) for reducing the flow speed of the hot gas are arranged on the inner wall of the heat exchange tube (102); the inside of the device shell (1) is positioned outside the heat exchange tube (102) to form a circulation channel of cold fluid; the fluid outlet pipe (7) and the fluid inlet pipe (6) are all communicated with the circulation channel;
the inside of lower lid (4) is equipped with reposition of redundant personnel mechanism (8), reposition of redundant personnel mechanism (8) are including first solid fixed ring (801), second solid fixed ring (802), connecting rod (803), bearing (804), pivot (805), reposition of redundant personnel flabellum (806) and drive flabellum (807), the inboard of first solid fixed ring (801) and second solid fixed ring (802) is all through a plurality of connecting rods (803) fixed connection bearing (804), the both ends of pivot (805) are rotated respectively and are connected on two bearings (804), be equipped with drive flabellum (807) on the lower part lateral wall of pivot (805), when the air current is from intake pipe (5) entering, can drive flabellum (807) rotation to drive pivot (805) rotation; the upper outer side wall of the rotating shaft (805) is provided with a split fan blade (806), and when the rotating shaft (805) rotates, the split fan blade (806) is driven to rotate, and gas entering the inner cavity of the lower cover body (4) is uniformly dispersed and then enters the heat exchange tube (102);
the diameter of the first fixing ring (801) is larger than that of the second fixing ring (802), and the first fixing ring (801) and the second fixing ring (802) are detachably arranged on the inner wall of the lower cover body (4);
the driving fan blades (807) are obliquely arranged at 15-20 degrees, the lower surfaces of the driving fan blades (807) are provided with convex ridge strips (8071), the convex ridge strips (8071) and the lower surfaces are obliquely arranged at obtuse angles, and when an air flow inlet pipe (5) enters, the air flow inlet pipe can impact the lower surfaces of the driving fan blades (807), so that the driving fan blades (807) are driven to rotate;
the inclination angle of the flow dividing fan blade (806) is the same as that of the driving fan blade (807), and the flow dividing fan blade (806) is provided with a plurality of through holes (8061), when the flow dividing fan blade (806) rotates, the entering air flow is scattered, so that the air flow uniformly enters each heat exchange tube (102);
the length of the shunt fan blade (806) is greater than the length of the drive fan blade (807).
2. The heating ventilation and air conditioning waste heat utilization device according to claim 1, wherein: the inside of the device shell (1) is also provided with a plurality of baffle plates (105), and the baffle plates (105) are arranged on the inner walls of the two sides of the device shell (1) in a crossing way, so that the circulating channel of cold fluid is in an S-shaped bending structure.
3. The heating ventilation and air conditioning waste heat utilization device according to claim 2, wherein: the outer wall of the speed reducing ring (104) protrudes towards the outer side of the heat exchange tube (102), a backflow channel (1041) is arranged in the speed reducing ring (104), the backflow channel (1041) is in a semi-ring shape, two ends of the backflow channel (1041) are communicated with the airflow channel (1021) of the heat exchange tube (102), when waste heat gas flows through the airflow channel (1021) of the heat exchange tube (102), a part of airflow enters from the inlet of the backflow channel (1041), and then flows into the airflow channel (1021) from the outlet of the backflow channel (1041), and at the moment, the direction of the part of airflow is opposite to the direction of main airflow in the heat exchange tube (102), so that the flow speed of the main airflow in the heat exchange tube (102) is slowed down.
4. A heating ventilation air conditioning waste heat utilization device according to claim 3, wherein: the upper cover body (2) and the lower cover body (4) are hemispherical, and the upper cover body (2) and the lower cover body (4) are detachably connected to the two ends of the device shell (1) through threads or bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310577647.XA CN116697572B (en) | 2023-05-22 | 2023-05-22 | Heating ventilation air conditioner waste heat utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310577647.XA CN116697572B (en) | 2023-05-22 | 2023-05-22 | Heating ventilation air conditioner waste heat utilization device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116697572A CN116697572A (en) | 2023-09-05 |
| CN116697572B true CN116697572B (en) | 2024-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310577647.XA Active CN116697572B (en) | 2023-05-22 | 2023-05-22 | Heating ventilation air conditioner waste heat utilization device |
Country Status (1)
| Country | Link |
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| CN (1) | CN116697572B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2302406Y (en) * | 1997-06-16 | 1998-12-30 | 郎逵 | Air pre-heater with node heat-exchange tube |
| CN106440883A (en) * | 2016-12-06 | 2017-02-22 | 无锡优耐特净化装备有限公司 | Horizontal type shell-and-tube heat exchanger |
| CN108980972A (en) * | 2018-08-31 | 2018-12-11 | 珠海格力电器股份有限公司 | Multifunctional electric heater |
| CN217688766U (en) * | 2022-08-19 | 2022-10-28 | 北京国仪精测技术有限公司 | Thermal conductivity detection device |
| CN116105155A (en) * | 2023-04-13 | 2023-05-12 | 石家庄白龙化工股份有限公司 | Phthalic anhydride tail gas catalytic oxidation reactor with harmful gas monitoring function |
-
2023
- 2023-05-22 CN CN202310577647.XA patent/CN116697572B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2302406Y (en) * | 1997-06-16 | 1998-12-30 | 郎逵 | Air pre-heater with node heat-exchange tube |
| CN106440883A (en) * | 2016-12-06 | 2017-02-22 | 无锡优耐特净化装备有限公司 | Horizontal type shell-and-tube heat exchanger |
| CN108980972A (en) * | 2018-08-31 | 2018-12-11 | 珠海格力电器股份有限公司 | Multifunctional electric heater |
| CN217688766U (en) * | 2022-08-19 | 2022-10-28 | 北京国仪精测技术有限公司 | Thermal conductivity detection device |
| CN116105155A (en) * | 2023-04-13 | 2023-05-12 | 石家庄白龙化工股份有限公司 | Phthalic anhydride tail gas catalytic oxidation reactor with harmful gas monitoring function |
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| CN116697572A (en) | 2023-09-05 |
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