CN212227204U - Intelligent sensing heat recovery solar heating roof system - Google Patents
Intelligent sensing heat recovery solar heating roof system Download PDFInfo
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- CN212227204U CN212227204U CN202021949851.8U CN202021949851U CN212227204U CN 212227204 U CN212227204 U CN 212227204U CN 202021949851 U CN202021949851 U CN 202021949851U CN 212227204 U CN212227204 U CN 212227204U
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Abstract
The utility model belongs to the technical field of the natural energy utilizes, a intelligence perception heat recovery solar heating roof system is related to. The utility model discloses the heat of flue gas and the radiant heat of heated kang high temperature upper surface in abundant recycle traditional chinese kang and the coal boiler chimney ubiquitous in the northeast tradition dwellings, make full use of solar radiation heat simultaneously, with flue gas heat, heatable brick bed surface radiation heat and solar radiation heat through effectual collection, transmission, storage in the roof, through installing the radiation heating part in the partition wall to the room radiation heating. The utility model discloses add heat recovery unit innovatively on traditional solar energy air heat collector's basis, retrieve the flue gas used heat and the radiant heat that peasant household daily life and heating produced to further considered the problem through measuring air temperature intelligent control switching operating mode, realized the automatic control problem of peasant household heat recovery and heat utilization, realized the improvement of the indoor travelling comfort of peasant household.
Description
Technical Field
The utility model belongs to the technical field of the natural energy utilization, a intelligence perception heat recovery solar heating roof system is related to, is one kind and has the flue gas heat of retrieving northern traditional rural residence kitchen heatable brick bed and heatable brick bed surface radiation heat heating, and intelligent control's of make full use of solar energy heat recovery solar heating roof system mainly solves the problem of northern rural residence passive form solar heating winter, has also solved the problem of rural residence heat recovery utilization simultaneously.
Background
At present, the heating mode of a heated kang or a coal boiler radiator is mostly adopted in northern areas, but the phenomenon that high-temperature flue gas heat of the heated kang and the coal boiler is not fully utilized and is directly discharged outdoors, so that a large amount of energy is wasted is caused. Meanwhile, the high-temperature upper surface of the heated brick bed does not have a good heating effect in most of the time, and a large amount of radiant heat is lost from a roof to cause energy waste. The technology of heat recovery for the kang is few, for example, the energy-saving water heating ventilation kang (patent No. CN208652683U) only utilizes the heat transferred to the ground in a radiation manner for the kang, while the technology of heat recovery for chimney flue gas in rural buildings is such as a building integrated biomass combustion flue gas purification heat recovery device (patent No. CN203323152U) based on natural material utilization, and the heat recovery is performed for chimney flue gas in a fire wall manner, so that the heat recovery and utilization are single, and the heating effect is poor.
The traditional solar air heat collector has the characteristics of being greatly influenced by weather, having unstable temperature fluctuation range and being incapable of independently bearing the heating requirement in winter. Therefore, the prior art is mostly improved by adopting a heat collecting and storing body, such as a device (patent No. CN209386403U) for heating by a solar heat collecting plate and heat storing and heating by a heat storing wall body, a heat storing flat plate solar air heat collector (patent No. CN207999958U) and the like, and the technology of combining the flue gas energy of a chimney of a farmhouse with the solar air heat collector is not available.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an intelligence perception heat recovery solar heating roof system. The utility model discloses the heat of flue gas and the radiant heat of heated kang high temperature upper surface in abundant recycle traditional chinese kang and the coal boiler chimney ubiquitous in the northeast tradition dwellings, make full use of solar radiation heat simultaneously, with flue gas heat, heatable brick bed surface radiation heat and solar radiation heat through effectual collection, transmission, storage in the roof, through installing the radiation heating part in the partition wall to the room radiation heating. The utility model discloses add heat recovery unit innovatively on traditional solar energy air heat collector's basis, retrieve the flue gas used heat and the radiant heat that peasant household daily life and heating produced to further considered the problem through measuring air temperature intelligent control switching operating mode, realized the automatic control problem of peasant household heat recovery and heat utilization, realized the improvement of the indoor travelling comfort of peasant household.
The technical scheme of the utility model:
an intelligent sensing heat recovery solar heating roof system comprises a kang surface radiant heat recovery device 3, a chimney flue gas heat recovery device 10, a radiant heating component 9 and a solar air heat collector system, and can be applied to a heated kang 2 system or a fire wall 11 system.
The kang surface radiant heat recovery device 3 is hung on a house ceiling and is positioned right above the heated kang 2 or the hot wall 11; the kang surface radiant heat recovery device 3 comprises a kang surface radiant heat recovery device air inlet 15, a kang surface radiant heat recovery device air distribution pipe 16, a kang surface radiant heat recovery device air outlet 17, a radiation absorption plate 18, a bolt hole a19, a kang surface radiant heat recovery device air collection pipe 20 and a glass cover plate 21. The distributing pipe 16 of the kang surface radiant heat recovery device and the collecting pipe 20 of the kang surface radiant heat recovery device are arranged in parallel, the radiation absorption plates 18 are folded in a zigzag shape and welded between the distributing pipe 16 of the kang surface radiant heat recovery device and the collecting pipe 20 of the kang surface radiant heat recovery device, and a channel formed by folding the middle part is used as a channel for flowing hot air. The upper surfaces of the distributing pipe 16 of the kang surface radiant heat recovery device and the gas collecting pipe 20 of the kang surface radiant heat recovery device are provided with a plurality of bolt holes a19, and the kang surface radiant heat recovery device 3 and the chimney flue gas heat recovery device 10 are connected together through bolt holes a19 and bolt holes b23 which are connected through bolts. The air inlet 15 of the kang surface radiant heat recovery device and the air outlet 17 of the kang surface radiant heat recovery device are respectively positioned at the end parts of the air distribution pipe 16 of the kang surface radiant heat recovery device and the air collection pipe 20 of the kang surface radiant heat recovery device, and the air inlet 15 of the kang surface radiant heat recovery device and the air outlet 17 of the kang surface radiant heat recovery device are arranged in a diagonal manner; the air outlet 17 of the kang surface radiant heat recovery device is connected with the air inlet 22 of the chimney flue gas heat recovery device, and the air inlet 15 of the kang surface radiant heat recovery device is connected with the air outlet 33 of the radiant heating component. The glass cover plate 21 is installed between the distributing pipe 16 of the kang surface radiant heat recovery device and the gas collecting pipe 20 of the kang surface radiant heat recovery device, and is located below the radiation absorbing plate 18, so that a cavity is formed inside the kang surface radiant heat recovery device 3 for heat transfer of hot air.
The chimney flue gas heat recovery device 10 is arranged on a house ceiling and is arranged in parallel with the kang surface radiant heat recovery device 3, and the chimney flue gas heat recovery device 10 comprises an external frame structure, a chimney flue gas heat recovery device air inlet 22, a bolt hole b23, a baffle plate a24, a heat pipe circulating pump 25, a chimney flue gas heat recovery device air outlet 26 and a heat pipe 4. The air inlet 22 of the chimney flue gas heat recovery device and the air outlet 26 of the chimney flue gas heat recovery device are arranged at two ends of the same side of the external frame structure; the plurality of baffle plates a24 are symmetrically and alternately welded and fixed in the outer frame structure to divide the inner structure of the outer frame structure into S-shaped channels; the heat pipes 4 are partially arranged along the S-shaped channel, the other part of the heat pipes is positioned outside the chimney flue gas heat recovery device 10 and is positioned in the hearth chimney 5 or the hot wall chimney 13, and the baffle plates a24 are used for producing turbulent flow to enhance the heat exchange between the air and the heat pipes 4. The heat pipe circulating pump 25 is installed in the external frame structure, is connected with the heat pipe 4 and is used for circulating the flow of the unfrozen liquid in the heat pipe 4, the start and stop of the circulating pump are controlled by a mechanical switch, the unfrozen liquid in the heat pipe 4 partially flows downwards in the chimney in a spiral mode to exchange heat with the flue gas, and then the flue gas enters the chimney flue gas heat recovery device 10 to exchange heat with the hot air from the kang surface radiation heat recovery device 3. The external frame structure is provided with a plurality of bolt holes b23, and the chimney flue gas heat recovery device 10 is fixed on the kang surface radiant heat recovery device 3 through bolt connection of the bolt holes a19 and the bolt holes b 23.
The radiant heating part 9 is embedded in the partition wall and comprises a radiant heating part frame structure, an axial flow fan 14, a baffle plate b32, a radiant heating part air outlet 33, a radiant heating part air inlet 34 and an automatic control air brake 36. A cavity is formed inside the radiation heating part frame structure, a plurality of baffle plates b32 are symmetrically and alternately welded and fixed in the radiation heating part frame structure, the internal structure of the radiation heating part frame structure is divided into S-shaped channels, and the baffle plates b32 enhance the heat exchange of hot air in the radiation heating part 9; the air outlet 33 of the radiant heating part and the air inlet 34 of the radiant heating part are respectively arranged on the top of the two sides of the frame structure of the radiant heating part. The axial flow fan 14 is installed above the air inlet 34 of the radiation heating part and is controlled to start and stop by a mechanical switch. The automatic control air brake 36 is installed at one side of the bottom of the radiant heating part frame structure, is located at the same side with the air outlet 33 of the radiant heating part, and the automatic control air brake 36 is communicated with the cavity inside the radiant heating part frame structure.
The solar air heat collector system is located outdoors, is installed at the eave and comprises a solar air heat collector air inlet 27, a solar air heat collector 6, a solar air heat collector air outlet 28, a ridge air collecting pipe 29, a vertical flow dividing pipe 30, an automatic control three-way valve 8, a heat recovery device horizontal pipe 31 and an air temperature sensor 35. The solar air heat collectors 6 can be arranged in a plurality of numbers and are all installed on the eave, the inner cavity is formed and used for heating air, two sides of each solar air heat collector 6 are respectively communicated with an air inlet 27 of the solar air heat collector and an air outlet 28 of the solar air heat collector, and the air inlet 27 of the solar air heat collector is used for sucking outdoor air. The ridge air collecting pipe 29 is installed on the ridge, is communicated with the air outlets 28 of the solar air heat collectors, and is used for collecting and collecting hot air coming out of the air outlets 28 of the plurality of solar air heat collectors. The vertical diversion air pipe 30 is vertically arranged, one end of the vertical diversion air pipe is communicated with the ridge air collection pipe 29, the other end of the vertical diversion air pipe is connected with the automatic control three-way valve 8, the other two ends of the automatic control three-way valve 8 are respectively communicated with the horizontal air pipe 31 of the heat recovery device and the air inlet 34 of the radiant heating component, and the horizontal air pipe 31 of the heat recovery device is communicated with the air outlet 26 of the chimney flue gas heat recovery device. The solar air heat collector 6 is internally provided with a heat collecting plate for supplying power to the axial flow fan 14 and the control system, a cavity is formed in the solar air heat collector 6 and used for heating air, the air temperature sensor 35 is arranged on the heat collecting plate, when the temperature detected by the air temperature sensor 35 is higher than the highest value of a set temperature threshold value, the automatic control three-way valve 8 conducts the vertical diversion air pipe 30 and the horizontal air pipe 31 of the heat recovery device, the control chip opens the automatic control air brake 36, outdoor air is heated in the solar air heat collector 6 and then is converged with hot air in the chimney flue gas heat recovery device 10, then the outdoor air is sent into the radiant heating component 9 through the axial flow fan 14, and the outdoor air is led out to the outside through the air outlet 33 of the radiant heating component after heating is finished; when the temperature detected by the air temperature sensor 35 is lower than the lowest value of the set temperature threshold, the automatic control three-way valve 8 switches on the horizontal air duct 31 of the heat recovery device to close the vertical diversion air duct 30, and the control chip switches off the automatic control air brake 36, so that the hot air performs closed circulation in the kang surface radiant heat recovery device 3, the radiant heating part 9 and the chimney flue gas heat recovery device 10.
The kang surface radiant heat recovery device 3 and the chimney flue gas heat recovery device 10 are integrally made of common thin steel plates, and the outside of the kang surface radiant heat recovery device is insulated by rock wool plates. The whole radiant heating part 9 is made of common thin steel plates.
The radiation absorbing plate 18 is coated with high-absorption black paint or FeMuCuOx on the side facing the kang surface.
The non-freezing liquid in the circulating heat pipe 4 is glycol.
The air inlet 27 of the solar air heat collector is provided with a dust screen, insect-proof screen and other filtering equipment at the part contacting with the outdoor.
The solar air heat collector 6 is characterized in that the surface of the solar air heat collector is provided with a glass cover plate, the periphery of the solar air heat collector is provided with common thin steel plates, and a heat collecting plate inside the solar air heat collector 6 is made of black chromium aluminum alloy and can be replaced by a photovoltaic power generation plate.
The ridge gas-collecting air pipe 29 is made of common thin steel plates.
The top of the chimney 5 of the heated brick bed is provided with an air cap 37, the air cap 37 is made of stainless steel, and the principle that natural wind speed in the nature pushes a turbine of a fan to rotate and indoor and outdoor air convection is utilized to accelerate and convert air flow in any parallel direction into vertical air flow from bottom to top so as to improve the driving force of flue gas flow in the chimney.
The utility model discloses beneficial effect:
(1) the utility model effectively recycles radiant heat on the surface of the kang and heat of waste gas in the chimney through the kang surface radiant heat recovery device and the chimney flue gas heat recovery device, fully embodies the idea of passive building energy recovery and utilization, and reduces unnecessary energy loss through heat recovery;
(2) the solar air heat collector effectively utilizes solar radiation energy, completes the conversion of working conditions through the intelligent control air brake and the three-way valve, and merges with hot air of the heat recovery device, thereby effectively stabilizing the solar heating effect and simultaneously improving the indoor heating effect;
(3) the utility model discloses can reform transform according to existing peasant household, wide in application, only need do the main transformation to the roof, can effectively stably heat for the peasant household after reforming transform and accomplishing to do not need extra power supply energy supply. The comfort and the energy-saving performance of the indoor environment of the northern farmhouse can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a front structure view of the radiant heat recovery device on the kang surface;
FIG. 3 is a bottom structure view of the radiant heat recovery device for kang surface of the present invention;
FIG. 4 is a structural diagram of the chimney flue gas heat recovery device of the present invention;
FIG. 5 is a structural view of the solar air collector system of the present invention;
FIG. 6 is a view showing the structure of a radiant heating unit according to the present invention;
fig. 7 is a diagram of the relative positions of the devices according to the present invention.
In the figure: 1, cooking bench; 2, a heated brick bed; 3, a kang surface radiant heat recovery device; 4, a heat pipe; 5, a kitchen kang chimney; 6 solar air heat collector; 7, an air pipe; 8, automatically controlling a three-way valve; 9 a radiant heating component; 10, a chimney flue gas heat recovery device; 11 fire wall; 12 a coal boiler; 13 fire wall chimney; 14 axial flow fan; 15 air inlets of the kang surface radiant heat recovery device; 16 kang surface radiant heat recovery device gas distribution pipes; 17 air outlet of the kang surface radiant heat recovery device; 18 a radiation absorbing plate; 19 bolt holes a; 20, a gas collecting pipe of a kang surface radiant heat recovery device; 21 a glass cover plate; 22, an air inlet of a chimney flue gas heat recovery device; 23 bolt holes b; 24, a baffle plate a; 25 heat pipe circulating pump; 26 air outlet of chimney flue gas heat recovery device; 27 air inlet of solar air heat collector; 28 air outlet of solar air heat collector; 29 roof ridge gas collection air pipe; 30 vertical shunt air pipes; 31 a horizontal air pipe of a heat recovery device; 32 baffle plate b; 33 radiant heating element outlet; 34 radiant heating component air inlet; 35 an air temperature sensor; 36 automatically controlling the air brake; 37 wind cap.
Detailed Description
The following further describes a specific embodiment of the present invention with reference to the drawings and technical solutions.
In winter, the typical rural heated brick bed system of northeast China or the coal boiler hot water heating system provides a large amount of heat for heating, but simultaneously has a large amount of heat loss. In addition, the northeast typical farmhouse has insufficient utilization of renewable energy sources such as solar energy, so that the farmhouse has large energy investment and large loss. The utility model discloses an add heat recovery unit and solar energy air heat collector system, reduce the energy loss of peasant household and increase the energy utilization of peasant household, the method through passive form regulation and control makes the peasant household rely on the energy and the renewable energy that self produced to satisfy the demand of heating in winter, does not need additionally to add the energy, reduces the input of heating cost.
As shown in FIG. 1, a cooking bench 1 commonly existing in the traditional rural residences in northeast is used for cooking, and flue gas generated by the cooking bench 1 enters a heated kang 2 through a flue to heat the upper surface and the side surface of the heated kang 2 so as to meet indoor heating requirements. The upper surface temperature of heated brick bed 2 is higher, and most radiant heat scatters and disappears through the roof, so the utility model discloses a this part heat is retrieved to heatable brick bed surface radiant heat recovery unit 3. The flue gas heats the heated brick bed 2 and then flows to the chimney 5, the heat pipe 4 of the chimney flue gas heat recovery device 10 in the chimney 5 is inserted into the chimney 5 to absorb the heat of the flue gas, and the absorbed heat is guided into the chimney flue gas heat recovery device 10. In the northeast traditional rural residence, the coal boiler 12 is also commonly used for being matched with a radiator to perform hot water heating, smoke generated by the coal boiler 12 can be guided into the fire wall 11 for further utilization, then enters the fire wall chimney 13, and is transferred to the heat recovery device through the heat pipe 4. Under the working condition of night or cloudy day, the air temperature in the solar air heat collector 6 does not accord with the heating requirement, at the moment, the automatic control three-way valve 8 only opens the horizontal air pipe 31 of the heat recovery device close to the chimney flue gas heat recovery device 10, and the hot air only carries out closed circulation in the kang surface radiation heat recovery device 3, the radiation heating component 9 and the chimney flue gas heat recovery device 10. Under the working condition of sunny day, the solar air heat collector 6 receives solar radiation to heat air in the cavity, when the air temperature meets the heating requirement, the air pipe 7 is used for passing through, at the moment, the automatic control three-way valve 8 opens all air channels, hot air of the chimney flue gas heat recovery device 10 and hot air of the solar air heat collector 6 are converged and sent into the radiation heating component 9, at the moment, open circulation is adopted, and in order to guarantee pressure balance, heated air is sent to the outside through the automatic control air brake 36 inside the radiation heating component 9.
As shown in fig. 2 and 3, the kang surface radiant heat recovery device 3 includes a kang surface radiant heat recovery device air inlet 15, a kang surface radiant heat recovery device air distribution pipe 16, a kang surface radiant heat recovery device air outlet 17, a radiation absorption plate 18, bolt holes a19, a kang surface radiant heat recovery device air collection pipe 20 and a glass cover plate 21. The radiation absorption plate 18 is folded in a zigzag shape and welded between the distributing pipe 16 of the kang surface radiation heat recovery device and the collecting pipe 20 of the kang surface radiation heat recovery device, and the channel formed by the middle folding is a channel for hot air to flow. The kang surface radiant heat recovery device 3 is installed on the ceiling through the bolt hole a 19. The kang surface radiant heat recovery device air outlet 17 is connected to the chimney flue gas heat recovery device air inlet 22, and the kang surface radiant heat recovery device air inlet 15 is connected to the radiant heating part air outlet 33.
As shown in fig. 4, the chimney flue gas heat recovery device 10 includes a chimney flue gas heat recovery device air inlet 22, a bolt hole b23, a baffle plate a24, a heat pipe circulation pump 25, a chimney flue gas heat recovery device air outlet 26, and a heat pipe 4. The chimney flue gas heat recovery device 10 is fixedly arranged on the suspended ceiling through the bolt hole b 23. The baffle plate a24 is used for making turbulence to enhance the heat exchange between the air and the heat pipe 4 and is connected inside the chimney flue gas heat recovery device 10 through welding. The heat pipe circulating pump 25 is installed and fixed inside the chimney flue gas heat recovery device 10, the start and stop of the heat pipe circulating pump are controlled through a mechanical switch, the heat pipe circulating pump 25 is used for circulating the flow of the unfrozen liquid in the heat pipe 4, the unfrozen liquid in the heat pipe 4 flows downwards in the chimney in a spiral mode to exchange heat with flue gas, and then enters the chimney flue gas heat recovery device 10 to exchange heat with hot air from the kang surface radiation heat recovery device 3.
As shown in fig. 5, the solar air heat collector system is installed at the eave and includes an air inlet 27 of the solar air heat collector, a solar air heat collector 6, an air outlet 28 of the solar air heat collector, a ridge air collecting duct 29, a vertical flow dividing duct 30, an automatic control three-way valve 8, and an air temperature sensor 35. The two ends of the solar air heat collector 6 are provided with a solar air heat collector air inlet 27 and a solar air heat collector air outlet 28, and the roof air collecting pipe 29 is hung on a roof ridge and used for collecting and gathering hot air from the solar air heat collector air outlets 28. The vertical flow-dividing air pipe 30 is connected to the ridge air-collecting air pipe 29 by welding. The solar air heat collector 6 is internally provided with a heat collecting plate for supplying power to the axial flow fan 14 and the control system, a cavity is formed in the solar air heat collector 6 and used for heating air, the air temperature sensor 35 is arranged on the heat collecting plate, when the temperature detected by the air temperature sensor 35 is higher than the highest value of a temperature threshold value, the vertical diversion air pipe 30 and the horizontal air pipe 31 of the heat recovery device are conducted by the automatic control three-way valve 8, the automatic control air brake 36 is opened by the control chip, at the moment, the outdoor air is heated in the solar air heat collector 6 and then is converged with the hot air in the chimney flue gas heat recovery device 10, then the outdoor air is sent into the radiant heating component 9 through the axial flow fan 14, and the outdoor air is. In consideration of cost, the control chip can be a chip with certain logic judgment capability, such as a single chip microcomputer. When the temperature detected by the air temperature sensor 35 is lower than the lowest temperature threshold value, the three-way valve 8 is automatically controlled to conduct the horizontal air duct 31 of the heat recovery device and close the vertical diversion air duct 30, and the control chip closes the automatic control air brake 36, at this time, the hot air is in closed circulation in the kang surface radiant heat recovery device 3, the radiant heating component 9 and the chimney flue gas heat recovery device 10.
As shown in fig. 6, the radiant heating unit 9 includes an axial flow fan 14, a baffle b32, a radiant heating unit outlet 33, a radiant heating unit inlet 34, and an automatic control damper 36. The radiant heating element 9 is embedded inside the partition wall, at a certain distance from the ground. The axial flow fan 14 is installed above the air inlet 34 of the radiation heating part and is controlled to start and stop by a mechanical switch. The baffle b32 is attached to the inside of the radiant heating section 9 by welding to enhance the heat exchange of the hot air in the radiant heating section 9. The automatic control air brake 36 is controlled to be opened and closed by the control chip.
As shown in fig. 7, the utility model discloses a hot-air flow process of intelligent perception heat recovery solar heating system as follows:
when the solar radiation is insufficient in cloudy days or at night, the three-way valve 8 is automatically controlled to close the passage of the vertical diversion air pipe 30, only the passage of the horizontal air pipe 31 of the heat recovery device is conducted, and meanwhile, the air brake 36 is automatically controlled to close, so that the hot air can only carry out closed circulation among the kang surface radiation heat recovery device 3, the chimney flue gas heat recovery device 10 and the radiation heating part 9. The temperature of the hot air in the radiant heating part 9 is reduced after heating the radiant surface of the radiant heating part 9, the hot air enters the air inlet 15 of the kang surface radiant heat recovery device from the air outlet 33 of the radiant heating part, is heated after passing through the interlayer of the high-temperature radiation absorption plate 18 after being distributed by the air distribution pipe 16 of the kang surface radiant heat recovery device, is collected by the air collection pipe 20 of the kang surface radiant heat recovery device, and is sent into the chimney flue gas heat recovery device 10 through the air outlet 17 of the kang surface radiant heat recovery device and the air inlet 22 of the chimney flue gas heat recovery device which are connected with each other. In the chimney flue gas heat recovery device 10, the hot air is heated by the heat pipe 4 and then further heated, and is sent into the air inlet 34 of the radiant heating component by the driving force provided by the conducted automatic control three-way valve 8 and the axial flow fan 14 through the air outlet 26 of the chimney flue gas heat recovery device and the horizontal air pipe 31 of the heat recovery device which are connected with each other. So far, the hot air completes the closed circulation among the kang surface radiant heat recovery device 3, the chimney flue gas heat recovery device 10 and the radiant heating part 9.
When the sun is sufficiently radiated, the three-way valve 8 is automatically controlled to open the passage of the vertical diversion air pipe 30 and the passage of the horizontal air pipe 31 of the heat recovery device, and the air brake 36 is automatically controlled to open, so that the hot air is subjected to open circulation among the kang surface radiant heat recovery device 3, the chimney flue gas heat recovery device 10, the solar air heat collector 6 and the radiant heating part 9. The circulation of the hot air among the radiant heat recovery unit 3 on the kang surface, the stack flue gas heat recovery unit 10 and the radiant heating unit 9 in a sunny day is the same as that in a cloudy day, and the introduction and heating of the air from the outside is increased. The air inlet 27 of the solar air heat collector sucks outdoor air, the temperature of the outdoor air is raised through the solar air heat collector 6, and the heated hot air is sent into the air inlet 34 of the radiant heating component through the air outlet 28 of the solar air heat collector, the ridge air collecting pipe 29 and the vertical flow dividing pipe 30 and is provided with driving force through the conducted automatic control three-way valve 8 and the axial flow fan 14. While excess hot air is exhausted through the automatically controlled dampers 36 in order to maintain the balance of hot air within the radiant heating section. So far, the hot air completes the open cycle among the kang surface radiant heat recovery device 3, the chimney flue gas heat recovery device 10, the solar air heat collector 6 and the radiant heating part 9. The kang surface radiant heat recovery device 3 and the chimney flue gas heat recovery device 10 can not only recover the radiant heat of the heated kang 2 and the flue gas heat of the heated kang chimney 5, but also recover the radiant heat of the hot wall 11 and the flue gas heat of the hot wall chimney 13, and the working principle is approximately the same.
A plurality of solar air collectors 6 can be installed side by side on the roof, collect hot air through ridge gas collection air pipe 29 to shunt the hot air through perpendicular reposition of redundant personnel tuber pipe 30.
The utility model provides an intelligence perception heat recovery solar heating system can divide into cloudy day mode and fine day mode, and specific operational mode technical scheme is as follows:
(1) cloudy day pattern
The air temperature sensor 35 located in the solar air collector 6 determines when the air temperature in the collector is lower than 40 ℃ (different temperature thresholds in different regions), and starts the cloudy-day mode through the control chip. In the cloudy mode, the automatic control three-way valve 8 switches on the horizontal air pipe 31 of the heat recovery device to close the vertical shunt air pipe 30, and the control chip switches on and off the control air brake 41. The hot air is only circulated in the kang surface radiant heat recovery device 3, the radiant heating part 9 and the chimney flue gas heat recovery device 10 in a closed mode, and two heat recoveries of kang radiant heat recovery and chimney flue gas heat recovery are completed.
In the heatable brick bed radiant heat recovery, top of a kitchen range 1 can produce high temperature flue gas when being used for cooking, and the high temperature flue gas passes through flue entering heated kang 2 heating heated kang 2 upper surface and side and satisfies the indoor heating demand. The upper surface temperature of the heated brick bed 2 is higher, most radiant heat radiates to the roof through the roof, the brick bed surface radiant heat recovery device 3 is located right above the heated brick bed 2, a large amount of radiant heat penetrates through the glass cover plate 21 at the bottom surface of the brick bed surface radiant heat recovery device 3 and is absorbed by the radiation absorption plate 18, so that the temperature of the radiation absorption plate 18 is raised, the radiation absorption plate 18 adopts a folding design and is used for heating after shunting the air from the radiation heating part 9, and the heated hot air is delivered into the air inlet 22 of the chimney flue gas heat recovery device after converging through the air collecting pipe 20 of the brick bed surface radiant heat recovery device to be subjected to next chimney flue gas heat recovery.
In the process of heat recovery of chimney flue gas, high-temperature flue gas in a heated kang 2 can enter a chimney 5 of a heated kang, heat pipes 4 of a chimney flue gas heat recovery device 10 exist in the chimney 5, the heat pipes 4 are filled with unfrozen liquid and circulate through a heat pipe circulating pump 25, the unfrozen liquid in the heat pipes 4 flows downwards in the chimney in a spiral mode to exchange heat with the flue gas, and the flue gas enters the chimney flue gas heat recovery device 10 to exchange heat with hot air from the kang surface radiation heat recovery device 3 after heat is obtained. The hot air from the kang surface radiant heat recovery device 3 can form turbulence through the baffle plate a24, so that the heat exchange with the heat pipe 4 is enhanced, and the hot air passes through the air outlet 26 of the chimney flue gas heat recovery device, the horizontal air pipe 31 of the heat recovery device and the automatic control three-way valve 8 to enter the radiant heating part 9 after the heat exchange is completed.
In the radiant heating part 9, the hot air forms turbulent flow to enhance heat exchange through the baffle plate b32, and the temperature of the wall surface contacting with the room is increased, thereby completing the process of completing radiant heating from the radiant heating part 9 to the room.
(2) Sunny day mode
The air temperature sensor 35 in the solar air collector 6 determines that the sunny mode is activated by the control chip when the air temperature in the collector is higher than 40 ℃ (different temperature thresholds in different regions). In a sunny day mode, the automatic control three-way valve 8 conducts the vertical diversion air pipe 30 and the horizontal air pipe 31 of the heat recovery device, and the control chip opens the automatic control air brake 36. At this time, the outdoor air is heated in the solar air heat collector 6 and then merged with the hot air in the chimney flue gas heat recovery device 10, and the merged air is sent into the radiant heating part 9 through the axial flow fan 14, and is led out to the outdoor after the heating is finished. The heat recovery of kang radiation heat recovery and chimney flue gas heat recovery and the heat utilization of solar air heat collection are completed.
The working conditions of the kang radiant heat recovery and the chimney flue gas heat recovery under the cloudy mode are the same.
In the solar air heat collection and utilization, under the driving of the axial flow fan 14, the air inlet 27 of the solar air heat collector forms negative pressure, sucks outdoor air, enters the cavity of the solar air heat collector 6, the heat collection plate or the photovoltaic power generation plate in the cavity absorbs solar radiation to increase the temperature, so that the air in the cavity is heated, the heated air is gathered together from the air collecting pipe 31 and the roof air collecting pipe 29, and the heated air is converged with the hot air of the horizontal air pipe 31 of the heat recovery device through the vertical diversion air pipe 30 and the automatic control three-way valve 8 and is sent to the radiant heating part 9 together.
In the radiant heating section 9, the hot air is turbulently transferred to enhance heat exchange by the baffle b32, the temperature of the wall surface contacting the indoor is increased, and the surplus air is discharged to the outdoor by the automatic control damper 36 in order to maintain the air pressure balance in the radiant heating section 9.
The utility model discloses to the problem of northern rural residence passive heat recovery solar heating in winter, provide following solution:
(1) a kang surface radiant heat recovery device is developed, so that radiant heat on the surface of a high-temperature kang can be effectively recovered, and energy loss is reduced;
(2) a chimney flue gas heat recovery device is developed, so that the waste flue gas heat in the chimney can be effectively recovered, and the utilization rate of energy is improved;
(3) solar radiation energy is comprehensively utilized through a solar air heat collector system, and working conditions are automatically adjusted by combining kang surface radiation heat recovery and chimney flue gas heat recovery, so that energy collection, storage and transmission are optimized;
(4) the radiant heating component is developed, heat collected by the intelligent sensing heat recovery solar heating roof system can be effectively transmitted to the indoor space through a radiant heating mode, and the heating effect is improved.
Claims (8)
1. An intelligent perception heat recovery solar heating roof system is characterized by comprising a kang surface radiant heat recovery device (3), a chimney flue gas heat recovery device (10), a radiant heating component (9) and a solar air heat collector system, and can be applied to a heated kang (2) system or a fire wall (11) system;
the kang surface radiant heat recovery device (3) is hung on a house ceiling and is positioned right above the heated kang (2) or the hot wall (11); the kang surface radiant heat recovery device (3) comprises an air inlet (15) of the kang surface radiant heat recovery device, an air distribution pipe (16) of the kang surface radiant heat recovery device, an air outlet (17) of the kang surface radiant heat recovery device, a radiation absorption plate (18), a bolt hole a (19), a gas collection pipe (20) of the kang surface radiant heat recovery device and a glass cover plate (21); the distributing pipe (16) of the kang surface radiant heat recovery device and the gas collecting pipe (20) of the kang surface radiant heat recovery device are arranged in parallel, the radiation absorption plate (18) is folded in a zigzag manner and welded between the distributing pipe (16) of the kang surface radiant heat recovery device and the gas collecting pipe (20) of the kang surface radiant heat recovery device, and a channel formed by folding the middle part is used as a channel for flowing hot air; the upper surfaces of the air distribution pipe (16) of the kang surface radiant heat recovery device and the gas collection pipe (20) of the kang surface radiant heat recovery device are provided with a plurality of bolt holes a (19), and the kang surface radiant heat recovery device (3) and the chimney flue gas heat recovery device (10) are connected together by performing bolt connection through the bolt holes a (19) and the bolt holes b (23); the air inlet (15) of the kang surface radiant heat recovery device and the air outlet (17) of the kang surface radiant heat recovery device are respectively positioned at the end parts of an air distribution pipe (16) of the kang surface radiant heat recovery device and an air collection pipe (20) of the kang surface radiant heat recovery device, and the air inlet (15) of the kang surface radiant heat recovery device and the air outlet (17) of the kang surface radiant heat recovery device are arranged in a diagonal manner; an air outlet (17) of the kang surface radiant heat recovery device is connected with an air inlet (22) of a chimney flue gas heat recovery device, and an air inlet (15) of the kang surface radiant heat recovery device is connected with an air outlet (33) of a radiant heating component; the glass cover plate (21) is arranged between the air distribution pipe (16) of the kang surface radiant heat recovery device and the air collection pipe (20) of the kang surface radiant heat recovery device and is positioned below the radiation absorption plate (18), so that a cavity is formed inside the kang surface radiant heat recovery device (3) and is used for heat transfer of hot air;
the chimney flue gas heat recovery device (10) is arranged on a house ceiling and is arranged in parallel with the kang surface radiant heat recovery device (3), and the chimney flue gas heat recovery device (10) comprises an external frame structure, a chimney flue gas heat recovery device air inlet (22), bolt holes b (23), baffle plates a (24), a heat pipe circulating pump (25), a chimney flue gas heat recovery device air outlet (26) and heat pipes (4); the air inlet (22) of the chimney flue gas heat recovery device and the air outlet (26) of the chimney flue gas heat recovery device are arranged at two ends of the same side of the external frame structure; a plurality of baffle plates a (24) are symmetrically and alternately welded and fixed in the external frame structure to divide the internal structure of the external frame structure into S-shaped channels; one part of the heat pipe (4) is arranged along the S-shaped channel, the other part of the heat pipe is positioned outside the chimney flue gas heat recovery device (10) and is positioned in the oven kang chimney (5) or the hot wall chimney (13), and the baffle plate a (24) is used for manufacturing turbulence to enhance the heat exchange between the air and the heat pipe (4); the heat pipe circulating pump (25) is arranged in the external frame structure, is connected with the heat pipe (4) and is used for circulating the flow of the unfrozen liquid in the heat pipe (4), controls starting and stopping through a mechanical switch, and the unfrozen liquid in the heat pipe (4) partially flows downwards in a spiral manner in the chimney to exchange heat with the flue gas and then enters the chimney flue gas heat recovery device (10) to exchange heat with the hot air from the kang surface radiant heat recovery device (3); a plurality of bolt holes b (23) are arranged on the external frame structure, and the chimney flue gas heat recovery device (10) is fixed on the kang surface radiant heat recovery device (3) through bolt connection of the bolt holes a (19) and the bolt holes b (23);
the radiant heating component (9) is embedded in the partition wall and comprises a radiant heating component frame structure, an axial flow fan (14), a baffle plate b (32), a radiant heating component air outlet (33), a radiant heating component air inlet (34) and an automatic control air brake (36); a cavity is formed inside the radiation heating part frame structure, a plurality of baffle plates b (32) are symmetrically and alternately welded and fixed in the radiation heating part frame structure, the internal structure of the radiation heating part frame structure is divided into S-shaped channels, and the heat exchange of hot air in the radiation heating part (9) is enhanced by the baffle plates b (32); the air outlet (33) of the radiant heating part and the air inlet (34) of the radiant heating part are respectively arranged on the tops of two sides of the frame structure of the radiant heating part; the axial flow fan (14) is arranged above an air inlet (34) of the radiation heating part and is controlled to start and stop by a mechanical switch; the automatic control air brake (36) is arranged on one side of the bottom of the radiant heating component frame structure and is positioned on the same side with the air outlet (33) of the radiant heating component, and the automatic control air brake (36) is communicated with the inner cavity of the radiant heating component frame structure;
the solar air heat collector system is located outdoors, is installed at an eave and comprises a solar air heat collector air inlet (27), a solar air heat collector (6), a solar air heat collector air outlet (28), a ridge air collecting pipe (29), a vertical flow dividing pipe (30), an automatic control three-way valve (8), a heat recovery device horizontal pipe (31) and an air temperature sensor (35); the solar air heat collectors (6) can be arranged in plurality and are all installed on an eave, cavities are formed in the solar air heat collectors for heating air, two sides of each solar air heat collector (6) are respectively communicated with an air inlet (27) of the solar air heat collector and an air outlet (28) of the solar air heat collector, and the air inlet (27) of the solar air heat collector is used for sucking outdoor air; the ridge air collecting pipe (29) is arranged on a ridge, is communicated with the air outlets (28) of the solar air heat collectors and is used for collecting and collecting hot air from the air outlets (28) of the plurality of solar air heat collectors; the vertical flow-dividing air pipes (30) are vertically arranged, one end of each vertical flow-dividing air pipe is communicated with the ridge air-collecting air pipe (29), the other end of each vertical flow-dividing air pipe is connected with an automatic control three-way valve (8), the other two ends of each automatic control three-way valve (8) are respectively communicated with a horizontal air pipe (31) of the heat recovery device and an air inlet (34) of the radiant heating part, and the horizontal air pipe (31) of the heat recovery device is communicated with an air outlet (26) of the chimney smoke heat recovery; the solar air heat collector (6) is internally provided with a heat collecting plate for supplying power to an axial flow fan (14) and a control system, a cavity is formed in the solar air heat collector (6) and used for heating air, an air temperature sensor (35) is arranged on the heat collecting plate, when the temperature detected by the air temperature sensor (35) is higher than the highest value of a set temperature threshold value, an automatic control three-way valve (8) conducts a vertical diversion air pipe (30) and a horizontal air pipe (31) of a heat recovery device, and a control chip opens an automatic control air brake (36), outdoor air is heated in the solar air heat collector (6) and then is converged with hot air in a chimney flue gas heat recovery device (10), then the heated air is sent into a radiation heating component (9) through the axial flow fan (14), and is led out to the outside through an air outlet (33) of the radiation heating component after heating is finished; when the temperature detected by the air temperature sensor (35) is lower than the lowest value of the set temperature threshold, the automatic control three-way valve (8) conducts the horizontal air pipe (31) of the heat recovery device and closes the vertical flow-dividing air pipe (30), the control chip closes the automatic control air brake (36), and the hot air is in closed circulation in the kang surface radiant heat recovery device (3), the radiant heating component (9) and the chimney flue gas heat recovery device (10).
2. The intelligent sensing heat recovery solar heating roof system according to claim 1, wherein the kang surface radiant heat recovery device (3) and the chimney flue gas heat recovery device (10) are integrally made of steel plates, and the outside is insulated by rock wool plates; the whole radiant heating component (9) is made of a steel plate; the surface of the solar air heat collector (6) is provided with a glass cover plate, the periphery of the solar air heat collector is provided with steel plates, and a heat collecting plate in the solar air heat collector (6) is a black chromium aluminum alloy or a photovoltaic power generation plate; the roof air collecting pipe (29) is composed of steel plates.
3. A smart sensible heat recovery solar heating roof system according to claim 1 or 2, characterised in that said radiation absorbing panels (18) are coated with black paint or femocuox on the side facing the kang surface; the non-freezing liquid in the circulating heat pipe (4) is glycol.
4. The intelligent sensing heat recovery solar heating roof system according to claim 1 or 2, wherein the air inlet (27) of the solar air collector is provided with a dust-proof net and insect-proof net filtering device at the contact part with the outside.
5. The intelligent sensing heat recovery solar heating roof system according to claim 3, wherein the air inlet (27) of the solar air heat collector is provided with a dust-proof net and insect-proof net filtering device at the contact part with the outside.
6. The intelligent sensing heat recovery solar heating roof system according to claim 1, 2 or 5, wherein the top of the oven hearth chimney (5) is provided with a hood (37), and the hood (37) is made of stainless steel.
7. The intelligent sensing heat recovery solar heating roof system according to claim 3, wherein the top of the oven kang chimney (5) is provided with a hood (37), and the hood (37) is made of stainless steel.
8. The intelligent sensing heat recovery solar heating roof system according to claim 4, wherein the top of the oven kang chimney (5) is provided with a hood (37), and the hood (37) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949851.8U CN212227204U (en) | 2020-09-09 | 2020-09-09 | Intelligent sensing heat recovery solar heating roof system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949851.8U CN212227204U (en) | 2020-09-09 | 2020-09-09 | Intelligent sensing heat recovery solar heating roof system |
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| CN212227204U true CN212227204U (en) | 2020-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577338A (en) * | 2020-12-30 | 2021-03-30 | 乔治洛德方法研究和开发液化空气有限公司 | High-temperature fluid transportation pipeline internally provided with heat exchange equipment, applicable heat exchange equipment and heat exchange method |
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2020
- 2020-09-09 CN CN202021949851.8U patent/CN212227204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577338A (en) * | 2020-12-30 | 2021-03-30 | 乔治洛德方法研究和开发液化空气有限公司 | High-temperature fluid transportation pipeline internally provided with heat exchange equipment, applicable heat exchange equipment and heat exchange method |
| US11940228B2 (en) | 2020-12-30 | 2024-03-26 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | High-temperature fluid transporting pipeline with heat exchange apparatus installed therein, suitable heat exchange apparatus and heat exchange method |
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