CN118669857B - High-efficient intelligent gas room heater - Google Patents
High-efficient intelligent gas room heater Download PDFInfo
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- CN118669857B CN118669857B CN202411141295.4A CN202411141295A CN118669857B CN 118669857 B CN118669857 B CN 118669857B CN 202411141295 A CN202411141295 A CN 202411141295A CN 118669857 B CN118669857 B CN 118669857B
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 13
- 238000012546 transfer Methods 0.000 claims description 42
- 238000007789 sealing Methods 0.000 claims description 41
- 239000007789 gas Substances 0.000 claims description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 22
- 239000003546 flue gas Substances 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 16
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a high-efficiency intelligent gas warmer, which belongs to the technical field of gas warmer, and comprises: the device comprises a shell, a burner, a smoke exhauster and a heat exchanger; wherein openings are formed in the left side and the right side of the shell; a combustion bin is arranged in the shell, and a combustor is arranged in the combustion bin; an air supply fan is arranged at the opening positioned on the right side in the shell, and an air supply pipeline is connected to one side of the combustion bin in the shell; a heat exchanger is arranged in the shell, and the heat exchanger is connected with the heat discharging end of the combustion bin through a fan; a smoke exhauster is arranged below the air supply fan in the shell; the invention adopts the central heat exchange tube and the inner heat exchange tube group to form two different heat exchange channels, the two heat exchange channels can correspondingly supply hot air with different heat, and finally, the hot air conveying combination is carried out through the heat exchange mechanism, so that the user demand can be responded quickly.
Description
Technical Field
The invention belongs to the technical field of gas heaters, and particularly relates to an efficient intelligent gas heater.
Background
A gas warmer is a heating apparatus using natural gas or Liquefied Petroleum Gas (LPG) as a fuel. Such heaters are commonly used in many applications such as homes and offices, and are particularly well suited for areas where there is no central heating system. In the prior art, the gas warmer mainly comprises a shell, a combustion system, a gas supply system, a heat dissipation system and the like, as in the invention patent with the publication number of CN103175254A, heat exchange is carried out between external air and combustion flue gas to realize indoor heat supply, but the current gas warmer mainly changes the output heat by adjusting the flame size of the gas system, which results in the change of room temperature, has time difference, cannot respond to the change of environment or user requirements rapidly, and has low precision in temperature control, and the high precision of indoor temperature is difficult to maintain constant; especially, unbalanced heat output adjustment can lead to the combustion efficiency reduction of the combustion system under different load conditions, and the energy-saving effect is poor.
Therefore, it is necessary to provide a high-efficiency intelligent gas warmer to solve the problems in the prior art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: an efficient intelligent gas warmer, comprising: the device comprises a shell, a burner, a smoke exhauster and a heat exchanger; the left side and the right side of the shell are respectively provided with an opening, the opening positioned on the left side of the shell is arranged indoors, and the opening positioned on the right side of the shell is arranged outdoors; a combustion bin is arranged in the shell, and a combustor is arranged in the combustion bin; an air supply fan is arranged at an opening positioned on the right side in the shell, an air supply pipeline is connected to one side of the combustion bin in the shell, and the air supply pipeline is communicated with an air exhaust end of the air supply fan;
a heat exchanger is arranged in the shell, the heat exchanger is connected with the heat extraction end of the combustion bin through a fan, and the hot flue gas after combustion in the combustion bin can exchange heat with air in the heat exchanger; the heat exchanger is connected with a discharge pipe;
a smoke exhauster is arranged below the air supply fan in the shell, and the other end of the exhaust pipe is communicated with the smoke exhauster;
the heat exchanger includes:
the heat exchange tube cavity is arranged into a transverse tube structure, sealing partition plates are symmetrically and fixedly arranged in the heat exchange tube cavity, and the two sealing partition plates divide the heat exchange tube cavity into three independent cavities;
The inner heat exchange tube group is arranged in the heat exchange tube cavity;
The central heat exchange tube is arranged in the center of the heat exchange tube cavity, and the inner heat exchange tube group and the central heat exchange tube are transversely erected in the independent cavity in the middle;
The heat transfer unit is arranged on the side wall of the heat exchange tube cavity and communicated with the independent cavity in the middle, and is used for respectively transferring hot flue gas to the heat exchange tube cavity and the central heat exchange tube;
The heat assembly mechanism is communicated with one side of the heat exchange tube cavity and is communicated with the independent cavity close to the heat exchange tube cavity; a heat conducting space is formed in the shell near the left opening through a plate rib, and one end of the heat assembling mechanism is communicated with the heat conducting space;
The heat transfer unit controls the flow proportion of hot flue gas entering the heat exchange tube cavity and the central heat exchange tube so as to accurately adjust heat distribution, and the heat assembly mechanism is used for carrying heat exchange air in the inner heat exchange tube group and the central heat exchange tube in a combined manner according to the air heat exchange condition in the inner heat exchange tube group and the central heat exchange tube in combination with heat supply requirements in the lower heat exchange tube group and the central heat exchange tube based on the working use time period, so that the combined hot air can quickly reach user requirements.
Further, preferably, the heat exchanger further includes:
The air channel is arranged on one side of the heat exchange tube cavity far away from the heat assembly mechanism, and is connected with the independent cavity close to the heat exchange tube cavity;
the air negative pressure machine is arranged at the air inlet end of the air channel and is used for pumping outdoor air into the air channel at negative pressure;
The filter screen is arranged in the air channel;
the connecting pipe is vertically connected to the side wall of the heat exchange tube cavity, is communicated with the independent cavity in the middle and is used for connecting the heat exchange tube cavity with the discharge tube;
the inner joint pipe is coaxially arranged in the connecting pipe, and one end of the inner joint pipe is communicated with the central heat exchange pipe and used for connecting the central heat exchange pipe with the discharge pipe.
Further, preferably, the inner heat exchange tube group includes:
the heat transfer pipes are uniformly distributed, and each heat transfer pipe is horizontally fixed in the heat transfer pipe cavity;
The air sleeves are sleeved at two ends of the heat transfer pipe, and the heat transfer pipe is fixed with the two sealing plates through the air sleeves;
the guide plates are obliquely arranged in the heat exchange tube cavities; each heat transfer pipe is connected and fixed on the guide plate in a penetrating way.
Further, preferably, the central heat exchange tube includes:
The heat insulation pipe is arranged in the center of the heat exchange pipe cavity and is fixed between the two sealing clapboards;
The central hollow pipe is coaxially arranged in the heat insulation pipe, the central hollow pipe is connected with the independent cavities at the left side and the right side, and the inner joint pipe is communicated with the heat insulation pipe.
Further, preferably, the heat transfer unit includes:
the tube body is internally and coaxially provided with a sliding tube;
The control ring is fixed on the inner wall of the pipe body, the sliding pipe is sleeved with a blocking sleeve, and the blocking sleeve is in sliding fit contact with the control ring;
the rotary pipe is connected to one side of the lower end face of the pipe body, a bypass hole is formed in the pipe body and located below the control ring, the rotary pipe is communicated with the bypass hole, and the other end of the rotary pipe is connected with a heat insulation pipe in the central heat exchange pipe;
the rotary sleeve is rotatably connected to the lower end of the pipe body, sleeved outside the sliding pipe through a threaded engagement effect and used for driving the sliding pipe to slide up and down for adjustment;
The driving part is fixed at the lower end of the pipe body and is connected with the rotary sleeve in a gear meshing transmission mode.
Further, as an preference, one end of the sliding tube penetrates through the outside of the tube body and is always communicated with the middle independent cavity, a sealing shaft is arranged in the tube body through a supporting rod and is positioned in the sliding tube, an arc-shaped small hole is formed in the inner wall of the sliding tube, and the sealing shaft is in sealing contact with the arc-shaped small hole in the sliding process of the sliding tube.
Further, preferably, the group of thermal mechanisms includes:
the sealing tube is internally provided with a guide tube, and the guide tube is rotationally connected with the sealing tube;
The first air passage and the second air passage are arranged in the conduction pipe, one ends of the first air passage and the second air passage are in a circle center structure, and the first air passage is positioned outside the second air passage; the first air passage is communicated with the inner heat exchange tube group through an independent cavity in the heat exchange tube cavity; the second air passage is communicated with a central hollow tube in the central heat exchange tube; the other ends of the first air passage and the second air passage are symmetrically distributed and positioned at two sides of the axis of the conduit;
the split flow seat is fixed in the sealing pipe and is in sealing connection with the conducting pipe, two channels are arranged in the split flow seat, and when one channel is communicated with the first air channel, the other channel is communicated with the second air channel;
The air mixing bin is arranged on one side of the sealing pipe, vortex fan blades are arranged in the air mixing bin, and hot air in the two channels in the split flow seat is mixed through the vortex fan blades.
Further, preferably, an upper inner cavity and a lower inner cavity are arranged between the gas mixing bin and the diversion seat in the sealing tube, and the channels in the diversion seat are correspondingly communicated with the upper inner cavity and the lower inner cavity respectively;
The upper inner cavity is internally provided with a pulse flow increasing device for pulse exhaust, and the lower inner cavity is internally provided with a flow stabilizing device, so that the inner heat exchange tube group and the central heat exchange tube correspondingly convey hot air through the pulse flow increasing device or the flow stabilizing device respectively.
Further, preferably, an air outlet plate is mounted on the left opening of the casing.
Compared with the prior art, the invention has the beneficial effects that:
The gas warmer can simultaneously convey hot flue gas to the central heat exchange tube and the inner heat exchange tube group through the heat conveying unit in the efficient combustion operation of the burner, so that two different heat exchange channels are formed by the central heat exchange tube and the inner heat exchange tube group, and the two heat exchange channels can correspondingly supply hot air with different heat and finally convey and combine the hot air through the heat exchange mechanism, so that the burner can quickly respond to the demands of a user, meanwhile, the working continuity of the burner is ensured, and the working load of the burner in short-term switching adjustment is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a heat exchanger according to the present invention;
FIG. 3 is a schematic view of the heat transfer unit, central heat exchange tube and inner heat exchange tube set of the present invention;
FIG. 4 is a schematic diagram of a heat assembly mechanism according to the present invention;
FIG. 5 is a schematic view showing the linear combination distribution of hot air in the inner heat exchange tube group and the central heat exchange tube in the present invention;
In the figure: 1. a housing; 11. a combustion bin; 12. a smoke exhauster; 13. an air supply fan; 14. an air supply pipeline; 15. a blower; 16. a discharge pipe; 17. a heat conduction space; 18. an air outlet plate; 2. a heat exchanger; 21. a heat exchange tube; 22. a sealing plate; 23. an air passage; 24. an air negative pressure machine; 25. connecting pipes; 26. an inner joint tube; 3. a heat transfer unit; 31. a tube body; 32. a sliding tube; 33. a control loop; 34. a blocking sleeve; 35. a rotary pipe; 36. a rotating sleeve; 37. a driving section; 4. a heat assembling mechanism; 41. sealing the tube; 42. a conduit; 43. a first airway; 44. a second airway; 45. a shunt seat; 46. a channel; 47. a gas mixing bin; 48. an upper lumen; 49. a lower lumen; 5. a central heat exchange tube; 51. a heat insulating pipe; 6. an inner heat exchange tube group; 61. a heat transfer tube; 62. an air jacket; 63. and a deflector.
Detailed Description
Referring to fig. 1-5, in an embodiment of the present invention, a high-efficiency intelligent gas warmer includes: a casing 1, a burner, a fume extractor 12 and a heat exchanger 2; the left end and the right end of the shell 1 are provided with openings, the opening on the left side of the shell 1 is arranged indoors, and the opening on the right side of the shell 1 is arranged outdoors; a combustion bin 11 is arranged in the shell 1, and a combustor is arranged in the combustion bin 11; an air supply fan 13 is arranged at the opening positioned on the right side in the shell 1, an air supply pipeline 14 is connected to one side of the combustion chamber 11 in the shell 1, and the air supply pipeline 14 is communicated with the air exhaust end of the air supply fan 13; for continuously supplying oxygen required for combustion to the combustion chamber 11;
A heat exchanger 2 is arranged in the shell 1, the heat exchanger 2 is connected with the heat extraction end of the combustion bin 11 through a fan 15, and the hot flue gas after combustion in the combustion bin 11 can exchange heat with air in the heat exchanger 2; a discharge pipe 16 is connected to the heat exchanger 2;
A smoke exhauster 12 is arranged below the air supply fan 13 in the shell 1, and the other end of the air exhaust pipe 16 is communicated with the smoke exhauster 12; namely, the hot flue gas in the combustion bin 11 enters the heat exchanger 2 to exchange heat with the air in the heat exchanger 2, and the flue gas after heat exchange can be discharged through the discharge pipe 16 and the smoke exhauster 12;
The heat exchanger 2 includes:
The heat exchange tube cavity 21 is arranged into a transverse tube structure, the heat exchange tube cavity 21 is internally and symmetrically sealed and fixed with a sealing plate 22, and the two sealing plates 22 divide the heat exchange tube cavity 21 into three independent cavities;
an inner heat exchange tube group 6 arranged in the heat exchange tube chamber 21;
The central heat exchange tube 5 is arranged in the center of the heat exchange tube cavity 21, and the inner heat exchange tube group 6 and the central heat exchange tube 5 are transversely erected in the independent cavity in the middle;
The heat transfer unit 3 is arranged on the side wall of the heat exchange tube cavity 21 and communicated with the independent cavity in the middle, and the heat transfer unit 3 is used for respectively transferring hot flue gas to the heat exchange tube cavity 21 and the central heat exchange tube 5;
The heat assembly mechanism 4 is communicated with one side of the heat exchange tube cavity 21 and is communicated with the independent cavity close to the heat exchange tube cavity; a heat conducting space 17 is formed in the shell 1 near the left opening through a plate rib, and one end of the heat assembling mechanism 4 is communicated with the heat conducting space 17;
The heat transfer unit 3 controls the flow proportion of the hot flue gas entering the heat exchange tube cavity 21 and the central heat exchange tube 5 so as to accurately adjust heat distribution, the heat assembly mechanism 4 is used for combining and conveying the heat exchange air in the inner heat exchange tube group 6 and the central heat exchange tube 5 according to the heat exchange condition of the air in the inner heat exchange tube group 6 and the central heat exchange tube 5 and the heat supply requirement based on the working use period, so that the combined hot air can quickly reach the user requirement, on one hand, the inner heat exchange tube group 6 and the central heat exchange tube 5 can form two heat exchange channels, the two heat exchange channels can be used for distributing heat sources more flexibly through the heat transfer unit, the burner can fully utilize the heat sources when keeping high-efficiency combustion, energy waste is reduced, and particularly, high-efficiency combustion can still be maintained when the heat demand is low, and on the other hand, the heat air output of different heat levels can be quickly adjusted through the mutual combination of the heat assembly mechanism 4; this design advantage is:
Firstly, the hot air combination of the heat exchange channel can be intelligently regulated and controlled, the indoor temperature change and the user demand are dynamically responded, finer temperature regulation is realized, and the comfort level of living or working environment is improved;
secondly, the quick and accurate heat regulating capability reduces the requirement of frequent starting and stopping of the warmer;
Thirdly, the high-efficiency combustion can be maintained under different heat supply requirements, and the gas energy is fully utilized;
fourthly, the thermal stress of a single heat exchange component is reduced, the service lives of the heat exchange pipe and the whole heating system are prolonged, and the system stability is enhanced.
In this embodiment, the heat exchanger 2 further includes:
An air channel 23 disposed on a side of the heat exchange lumen 21 remote from the thermal mechanism 4, the air channel 23 being in communication with the adjacent independent one of the heat exchange lumens 21;
An air negative pressure machine 24 installed at an air inlet end of the air passage 23, the air negative pressure machine 24 for pumping outdoor air into the air passage 23 at a negative pressure; external air can enter the independent cavity and flow into the inner heat exchange tube group 6 and the central heat exchange tube 5 respectively through the independent cavity so as to exchange heat with hot flue gas;
A filter screen disposed in the air passage 23;
the connecting pipe 25 is vertically connected to the side wall of the heat exchange tube cavity 21, the connecting pipe 25 is communicated with the independent cavity in the middle, and the connecting pipe 25 is used for connecting the heat exchange tube cavity 21 and the discharge tube 16;
The inner joint pipe 26 is coaxially arranged in the joint pipe 25, one end of the inner joint pipe 26 is communicated with the central heat exchange pipe 5 and is used for connecting the central heat exchange pipe 5 with the discharge pipe 16, and the joint pipe 25 and the inner joint pipe 26 are used for discharging the flue gas after heat exchange.
As a preferred embodiment, the inner heat exchange tube group 6 includes:
the heat transfer tubes 61 are uniformly distributed, and each heat transfer tube 61 is horizontally fixed in the heat exchange tube cavity 21;
the air sleeves 62 are sleeved at two ends of the heat transfer tube 61, and the heat transfer tube 61 is fixed with the two sealing plates 22 through the air sleeves 62;
The deflector 63 is obliquely arranged in the heat exchange tube cavity 21; each heat transfer tube 61 is fixedly connected to the guide plate 63 in a penetrating manner, that is, hot flue gas enters the heat transfer tube cavity 21, at this time, cold air is conveyed in each heat transfer tube 61, and the hot flue gas exchanges heat with the cold air through the heat transfer tube 61.
In this embodiment, the central heat exchange tube 5 includes:
a heat insulating pipe 51 provided at the center of the heat exchange pipe chamber 21 and fixed between the two seal plates 22;
The central hollow pipe is coaxially arranged in the heat insulation pipe 51, the central hollow pipe is connected with independent cavities at the left side and the right side, the inner joint pipe 26 is communicated with the heat insulation pipe 51, wherein hot smoke enters the heat insulation pipe 51 and exchanges heat with cold air in the heat insulation pipe through the central hollow pipe;
optimally, the heat transfer tubes 61 in the inner heat exchange tube group 6 have high heat storage performance, have strong heat stability, can absorb and store a large amount of heat energy in a short time and then release slowly, so that the heat exchange efficiency of the initial cold air and the hot flue gas is low; the central hollow pipe in the central heat exchange pipe 5 has high heat conduction performance, heat transfer is rapid, heat energy can be rapidly conducted, heat transfer efficiency from a heat source to a heat exchange medium is high, heat resistance is reduced, and the whole system response is faster;
Therefore, the temperature of the air discharged from the initial hollow pipe is higher than that of the air discharged from the heat transfer pipe, and the heat transfer unit can be adjusted to completely transfer heat to the central heat exchange pipe 5 during initial heat supply, so that high-temperature heat flow is provided in a short period (the inner heat exchange pipe group 6 is used as a cold pipe at the moment); the heat transfer unit gradually adjusts the heat transfer proportion along with the heat supply time extension, and gradually performs air heat exchange through the inner heat exchange tube group 6, and when the air heat exchange temperature in the inner heat exchange tube group 6 reaches the expected temperature, the central heat exchange tube 5 is used as a cold tube, and performs certain stable heat storage through the inner heat exchange tube group 6; the final burner is still capable of providing high temperature heat flow through the inner heat exchange tube bank 6 during low power operation.
In this embodiment, the heat transfer unit 3 includes:
A tube body 31 having a sliding tube 32 coaxially disposed therein;
the control ring 33 is fixed on the inner wall of the pipe body 31, the sliding pipe 32 is sleeved with a blocking sleeve 34, and the blocking sleeve 34 is in sliding fit contact with the control ring 33;
A rotating pipe 35 connected to one side of the lower end surface of the pipe body 31, a bypass hole is provided below the control ring 33 on the pipe body 31, the rotating pipe 35 is communicated with the bypass hole, and the other end of the rotating pipe 35 is connected with a heat insulation pipe 51 in the central heat exchange pipe 5;
the rotary sleeve 36 is rotatably connected to the lower end of the pipe body 31, and the rotary sleeve 36 is sleeved outside the sliding pipe 32 through a threaded engagement effect and drives the sliding pipe 32 to slide up and down for adjustment;
the driving part 37 is fixed at the lower end of the pipe body 31, and the driving part 37 is connected with the rotary sleeve 36 through a gear engagement transmission mode.
In this embodiment, one end of the sliding tube 32 penetrates through the outside of the tube body 31 and is always connected with the middle independent cavity, a sealing shaft is arranged in the tube body 31 through a supporting rod, the sealing shaft is located in the sliding tube 32, an arc-shaped small hole is formed in the inner wall of the sliding tube 32, the sealing shaft is in sealing contact with the arc-shaped small hole in sliding of the sliding tube 32, namely, the driving part 37 drives the rotating sleeve to rotate forward and backward, so that the sliding tube 32 can be displaced up and down for adjustment, and the flow proportion of hot flue gas entering the independent cavity and the heat insulation tube 51 is controlled.
As a preferred embodiment, the group thermal mechanism 4 comprises:
the sealing tube 41 is internally provided with a conducting tube 42, and the conducting tube 42 is rotationally connected with the sealing tube 41;
the first air passage 43 and the second air passage 44 are arranged in the guide pipe 42, one ends of the first air passage 43 and the second air passage 44 are in a circle center structure, and the first air passage 43 is positioned outside the second air passage 44; the first air passage 43 is communicated with the inner heat exchange tube group through an independent cavity in the heat exchange tube cavity 21; the second air passage 44 is communicated with a central hollow tube in the central heat exchange tube 5; the other ends of the first air passage 43 and the second air passage 44 are symmetrically distributed and positioned at two sides of the axis of the conduit 42;
The split-flow seat 45 is fixed in the sealing tube 41 and is in sealing connection with the conducting tube 42, two channels 46 are arranged in the split-flow seat 45, and when one channel 46 is communicated with the first air channel 43, the other channel 46 is communicated with the second air channel 44;
The air mixing bin 47 is arranged at one side of the sealing pipe 41, vortex fan blades are arranged in the air mixing bin 47, hot air in two channels 46 in the split-flow seat 45 is mixed through the vortex fan blades, namely, hot air in the central heat exchange pipe can enter the split-flow seat 45 through the second air channel 44, and hot air in the inner heat exchange pipe group 6 can enter the split-flow seat 45 through the first air channel 43.
In this embodiment, an upper inner cavity 48 and a lower inner cavity 49 are disposed between the gas mixing chamber 47 and the flow dividing seat 45 in the sealing tube 41, and the channels 46 in the flow dividing seat 45 are correspondingly communicated with the upper inner cavity 48 and the lower inner cavity 49 respectively;
The upper inner cavity 48 is provided with a pulse flow increasing device for pulse exhaust, the lower inner cavity 49 is provided with a flow stabilizing device, so that the inner heat exchange tube group 6 and the central heat exchange tube 5 respectively and correspondingly convey hot air through the pulse flow increasing device or the flow stabilizing device, and in the process of combining the central hollow tube and the hot air in the inner heat exchange tube group 6, the hot air in the central hollow tube can be uniformly conveyed through the flow stabilizing device, and the hot air in the inner heat exchange tube group 6 is pulse-fed through the pulse flow increasing device, and at the moment, the temperature of the hot air in the central hollow tube is taken as a reference, and the whole hot air temperature is slightly adjusted;
In the second scheme, the hot air in the central hollow tube can be fed in a pulse manner through the pulse flow increasing device, and the hot air in the inner heat exchange tube group 6 is uniformly conveyed through the flow stabilizing device, and the opposite to the first scheme, namely, the hot air in the inner heat exchange tube group 6 is taken as a reference, and the temperature of the whole hot air is slightly adjusted.
In this embodiment, the air outlet plate 18 is installed on the left opening of the casing 1.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a high-efficient intelligent gas room heater which characterized in that: it comprises the following steps: a shell (1), a burner, a smoke exhauster (12) and a heat exchanger (2); the left side and the right side of the shell (1) are provided with openings, the opening positioned on the left side of the shell (1) is arranged indoors, and the opening positioned on the right side of the shell is arranged outdoors; a combustion bin (11) is arranged in the shell (1), and a combustor is arranged in the combustion bin (11); an air supply fan (13) is arranged at the opening positioned on the right side in the shell (1), an air supply pipeline (14) is connected to one side of the combustion chamber (11) in the shell (1), and the air supply pipeline (14) is communicated with the air exhaust end of the air supply fan (13);
a heat exchanger (2) is arranged in the shell (1), the heat exchanger (2) is connected with the heat extraction end of the combustion bin (11) through a fan (15), and the hot flue gas after combustion in the combustion bin (11) can exchange heat with air in the heat exchanger (2); a discharge pipe (16) is connected to the heat exchanger (2);
a smoke exhauster (12) is arranged below the air supply fan (13) in the shell (1), and the other end of the discharge pipe (16) is communicated with the smoke exhauster (12);
The heat exchanger (2) comprises:
The heat exchange tube cavity (21) is of a transverse tube structure, sealing separation plates (22) are symmetrically and fixedly arranged in the heat exchange tube cavity (21), and the two sealing separation plates (22) divide the heat exchange tube cavity (21) into three independent cavities;
an inner heat exchange tube group (6) arranged in the heat exchange tube cavity (21);
The central heat exchange tube (5) is arranged in the center of the heat exchange tube cavity (21), and the inner heat exchange tube group (6) and the central heat exchange tube (5) are transversely erected in the independent cavity in the middle;
The heat transfer unit (3) is arranged on the side wall of the heat exchange tube cavity (21) and communicated with the independent cavity in the middle, and the heat transfer unit (3) is used for respectively transferring hot flue gas to the heat exchange tube cavity (21) and the central heat exchange tube (5);
The heat assembly mechanism (4) is communicated with one side of the heat exchange tube cavity (21) and is communicated with the independent cavity close to the heat exchange tube cavity; a heat conducting space (17) is formed in the shell (1) near the left opening through a plate rib, and one end of the heat assembling mechanism (4) is communicated with the heat conducting space (17);
The heat transfer unit (3) controls the flow proportion of hot flue gas entering the heat exchange tube cavity (21) and the central heat exchange tube (5) so as to accurately adjust heat distribution, and the heat assembly mechanism (4) is used for carrying heat exchange air in the inner heat exchange tube group (6) and the central heat exchange tube (5) in combination according to the heat exchange condition of air in the inner heat exchange tube group (6) and the central heat exchange tube (5) in combination with the heat supply requirement based on the working use time period, so that the combined hot air can quickly reach the user requirement;
The inner heat exchange tube group (6) comprises a plurality of heat transfer tubes (61) which are uniformly distributed, and each heat transfer tube (61) is horizontally fixed in the heat exchange tube cavity (21); the hot flue gas enters the heat exchange tube cavity 21, cold air is conveyed in each heat exchange tube (61), and the hot flue gas exchanges heat with the cold air through the heat exchange tubes (61);
the heat exchanger (2) further comprises:
The connecting pipe (25) is vertically connected to the side wall of the heat exchange tube cavity (21), the connecting pipe (25) is connected with the independent cavity in the middle, and the connecting pipe (25) is used for connecting the heat exchange tube cavity (21) with the discharge tube (16);
The inner joint pipe (26) is coaxially arranged in the connecting pipe (25), and one end of the inner joint pipe (26) is communicated with the central heat exchange pipe (5) and is used for connecting the central heat exchange pipe (5) with the discharge pipe (16);
the central heat exchange tube (5) comprises a heat insulation tube (51), is arranged in the center of the heat exchange tube cavity (21) and is fixed between the two sealing clapboards (22);
The central hollow pipe is coaxially arranged in the heat insulation pipe (51), the central hollow pipe is connected with independent cavities at the left side and the right side, and the inner joint pipe (26) is communicated with the heat insulation pipe (51); the hot flue gas enters the heat insulation pipe (51) and exchanges heat with cold air in the heat insulation pipe through the central hollow pipe.
2. The efficient and intelligent gas warmer as claimed in claim 1, wherein: the heat exchanger (2) further comprises:
the air channel (23) is arranged on one side, far away from the heat-collecting mechanism (4), of the heat exchange tube cavity (21), and the air channel (23) is communicated with the independent cavity close to the heat exchange tube cavity (21);
An air negative pressure machine (24) which is arranged at the air inlet end of the air channel (23), wherein the air negative pressure machine (24) is used for pumping outdoor air into the air channel (23);
a filter screen arranged in the air channel (23).
3. The efficient and intelligent gas warmer as claimed in claim 1, wherein: the inner heat exchange tube group (6) further includes:
the air sleeves (62) are sleeved at two ends of the heat transfer pipe (61), and the heat transfer pipe (61) is fixed with the two sealing plates (22) through the air sleeves (62);
the guide plates (63) are obliquely arranged in the heat exchange tube cavity (21); each heat transfer tube (61) is connected and fixed on the guide plate (63) in a penetrating way.
4. A high efficiency intelligent gas warmer as claimed in claim 3, wherein: the heat transfer unit (3) includes:
a tube body (31) in which a sliding tube (32) is coaxially provided;
the control ring (33) is fixed on the inner wall of the pipe body (31), a blocking sleeve (34) is sleeved on the sliding pipe (32), and the blocking sleeve (34) is in sliding fit contact with the control ring (33);
the rotary pipe (35) is connected to one side of the lower end face of the pipe body (31), a bypass hole is formed in the pipe body (31) and located below the control ring (33), the rotary pipe (35) is communicated with the bypass hole, and the other end of the rotary pipe (35) is connected with the heat insulation pipe (51) in the central heat exchange pipe (5);
The rotary sleeve (36) is rotationally connected to the lower end of the pipe body (31), and the rotary sleeve (36) is sleeved outside the sliding pipe (32) through a threaded engagement effect and drives the sliding pipe (32) to slide up and down for adjustment;
The driving part (37) is fixed at the lower end of the pipe body (31), and the driving part (37) is connected with the rotary sleeve (36) through a gear meshing transmission mode.
5. The efficient and intelligent gas warmer as claimed in claim 4, wherein: one end of the sliding tube (32) penetrates through the outside of the tube body (31) and is always communicated with the middle independent cavity, a sealing shaft is arranged in the tube body (31) through a supporting rod and is positioned in the sliding tube (32), an arc-shaped small hole is formed in the inner wall of the sliding tube (32), and the sealing shaft is in sealing contact with the arc-shaped small hole in the sliding of the sliding tube (32).
6. The efficient and intelligent gas warmer as claimed in claim 1, wherein: the heat group mechanism (4) includes:
The sealing tube (41) is internally provided with a conducting tube (42), and the conducting tube (42) is rotationally connected with the sealing tube (41);
The first air passage (43) and the second air passage (44) are arranged in the guide pipe (42), one ends of the first air passage (43) and the second air passage (44) are in a circle center structure, and the first air passage (43) is positioned outside the second air passage (44); the first air passage (43) is communicated with the inner heat exchange tube group (6) through an independent cavity in the heat exchange tube cavity (21); the second air passage (44) is communicated with a central hollow pipe in the central heat exchange pipe (5); the other ends of the first air passage (43) and the second air passage (44) are symmetrically distributed and positioned at two sides of the axis of the conducting pipe (42);
the split flow seat (45) is fixed in the sealing tube (41) and is in sealing connection with the conducting tube (42), two channels (46) are arranged in the split flow seat (45), and when one channel (46) is communicated with the first air channel (43), the other channel (46) is communicated with the second air channel (44);
The air mixing bin (47) is arranged on one side of the sealing pipe (41), vortex fan blades are arranged in the air mixing bin (47), and hot air in two channels (46) in the split-flow seat (45) is mixed through the vortex fan blades.
7. The efficient and intelligent gas warmer as claimed in claim 6, wherein: an upper inner cavity (48) and a lower inner cavity (49) are arranged between the gas mixing bin (47) and the diversion seat (45) in the sealing tube (41), and a channel (46) in the diversion seat (45) is correspondingly communicated with the upper inner cavity (48) and the lower inner cavity (49) respectively;
the upper inner cavity (48) is internally provided with a pulse flow increasing device for pulse exhaust, and the lower inner cavity (49) is internally provided with a flow stabilizing device, so that the inner heat exchange tube group (6) and the central heat exchange tube (5) respectively convey hot air correspondingly through the pulse flow increasing device or the flow stabilizing device.
8. The efficient and intelligent gas warmer as claimed in claim 1, wherein: an air outlet plate (18) is arranged on the left side opening of the shell (1).
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| CN202411141295.4A CN118669857B (en) | 2024-08-20 | 2024-08-20 | High-efficient intelligent gas room heater |
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| CN202411141295.4A CN118669857B (en) | 2024-08-20 | 2024-08-20 | High-efficient intelligent gas room heater |
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