CN113418296A - Hot-blast furnace that programming rate is fast - Google Patents
Hot-blast furnace that programming rate is fast Download PDFInfo
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- CN113418296A CN113418296A CN202110553866.5A CN202110553866A CN113418296A CN 113418296 A CN113418296 A CN 113418296A CN 202110553866 A CN202110553866 A CN 202110553866A CN 113418296 A CN113418296 A CN 113418296A
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- heat exchange
- fixedly connected
- pipe
- air
- bin
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
- F24H3/087—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a hot blast stove with a high heating speed, and relates to the technical field of hot blast stoves for dryers. The hot blast stove with high heating speed comprises: the upper surface of the base is fixedly connected with a combustion chamber, the upper surface of the combustion chamber is fixedly connected with a heat exchange bin communicated with the interior of the combustion chamber, and the upper surface of the heat exchange bin is fixedly connected with an exhaust pipe communicated with the interior of the heat exchange bin; the ignition mechanism is connected in the combustion chamber; the heat exchange mechanism is connected in the heat exchange bin; the air inlet mechanism is connected with the outer surface of the heat exchange bin and is connected with an air inlet of the heat exchange mechanism; and the air outlet mechanism is connected with the outer surface of the heat exchange bin and is connected with an air outlet of the heat exchange mechanism. The hot blast stove with the high heating speed provided by the invention has the advantages of long heat exchange time and high heating speed.
Description
Technical Field
The invention relates to the technical field of hot blast stoves for dryers, in particular to a hot blast stove with a high heating speed.
Background
The dryer is a mechanical device for reducing moisture of materials by using heat energy, and is used for drying objects. The dryer vaporizes and escapes moisture (generally, moisture or other volatile liquid components) in the material through heating so as to obtain solid material with specified moisture content, and when large batches of crops such as grains are dried, the dryer is used, and hot air is required to be supplied to the dryer through a hot blast stove.
When the hot blast stove matched with the drier is in use, the gas in the heat exchange pipe and the hot gas generated in the combustion chamber exchange heat and then enter the drier, and the existing hot blast stove cannot block and disturb the hot gas generated in the combustion chamber when in use, so that the hot gas generated in the combustion chamber and the heat exchange pipe have shorter heat exchange time, and the gas in the heat exchange pipe is heated more slowly.
Therefore, it is necessary to provide a new hot blast stove with a high temperature rise speed to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides the hot blast stove with long heat exchange time and high heating speed.
The hot blast stove with high heating speed provided by the invention comprises: the upper surface of the base is fixedly connected with a combustion chamber, the upper surface of the combustion chamber is fixedly connected with a heat exchange bin communicated with the interior of the combustion chamber, and the upper surface of the heat exchange bin is fixedly connected with an exhaust pipe communicated with the interior of the heat exchange bin; the ignition mechanism is connected in the combustion chamber; the heat exchange mechanism is connected in the heat exchange bin; the air inlet mechanism is connected with the outer surface of the heat exchange bin and is connected with an air inlet of the heat exchange mechanism; the air outlet mechanism is connected with the outer surface of the heat exchange bin and is connected with an air outlet of the heat exchange mechanism; and the driving mechanism is connected with the combustion chamber, is in transmission connection with the air inlet mechanism, and drives the air inlet mechanism and the heat exchange mechanism through the driving mechanism.
Preferably, the air inlet mechanism comprises an air pump, the outer surface of the heat exchange bin is fixedly connected with the air pump, an air inlet of the air pump is connected with one end of an air inlet pipe, and the other end of the air inlet pipe is connected with a filter cover for filtering air; the air outlet of the air pump is connected with one end of the air guide tube, the other end of the air guide tube is rotatably connected with a connecting tube which is communicated with the air guide tube through a rotary connector, and the connecting tube penetrates through the heat exchange bin and is connected with the bin wall of the heat exchange bin in a sealing and rotating mode.
Preferably, the heat exchange mechanism comprises a heat exchange tube, the heat exchange bin is internally provided with the spirally arranged heat exchange tube, one end of the heat exchange tube is mutually communicated with the connecting tube through a communicating tube, and the other end of the heat exchange tube is fixedly connected with an air outlet tube which is concentric with the connecting tube; the air outlet pipe penetrates through the heat exchange bin and is in sealed rotary connection with the bin wall of the heat exchange bin; and a flow disturbing assembly with a moving function is connected in the heat exchange tube.
Preferably, be connected with the vortex subassembly that has the raising about movement function in the heat exchange tube specifically be, the spacing post of a plurality of vertical settings of fixedly connected with in the heat exchange tube, the cluster has a plurality of movable balls that are used for the vortex on the spacing post, and the equal fixedly connected with spring in both ends of spacing post.
Preferably, the air outlet mechanism comprises a speed regulating box, and the outer surface of the heat exchange bin is fixedly connected with the speed regulating box; the air inlet and the air outlet pipe of the speed regulating box are connected with each other, and the air outlet of the speed regulating box is connected with an air supply pipe.
Preferably, the mechanism of giving vent to anger still includes a case, the last fixed surface of speed adjusting box is connected with rather than the top case that communicates each other, and the last fixed surface of top case is connected with and runs through its first pneumatic cylinder that sets up, and the output of first pneumatic cylinder is located a incasement and fixedly connected with is used for sealing the air supply pipe and the open speed governing board of speed adjusting box junction.
Preferably, the driving mechanism comprises a mounting plate, the outer surface of the combustion chamber is fixedly connected with the mounting plate, the upper surface of the mounting plate is fixedly connected with a motor, and the output end of the motor is connected with a rotating shaft through a coupler; the rotating shaft is fixedly connected with a driving fluted disc which coaxially rotates; one section of the connecting pipe located outside the heat exchange bin is fixedly connected with a driven fluted disc which coaxially rotates, and the driven fluted disc is in transmission connection with the driving fluted disc through a chain.
Preferably, a cleaning component for cleaning the heat exchange tube is connected in the heat exchange bin; the cleaning assembly comprises a fixing plate, the top upper surface of the heat exchange bin is fixedly connected with the fixing plate, the lower surface of the fixing plate is fixedly connected with a cleaning brush, and the cleaning brush is in contact connection with the outer surface of the heat exchange tube.
Preferably, the ignition mechanism comprises a gas distribution disc, the combustion chamber is internally provided with the gas distribution disc, the outer surface of the gas distribution disc is fixedly connected with a plurality of ignition nozzles which are mutually communicated with the inside of the gas distribution disc and are uniformly distributed, the gas distribution disc is connected with a mixing pipe which is mutually communicated with the gas distribution disc, and the mixing pipe penetrates through the combustion chamber and is fixedly connected with the side wall of the combustion chamber; the one end that the hybrid tube is located the combustion chamber outside is passed through the bellows and is connected with the gas outlet that mixes the storehouse, and the outer fixed surface in mixing the storehouse be connected with two rather than the conveyer pipe that communicates each other, the direction of giving vent to anger of two conveyer pipes is adjusted well and is set up.
Preferably, the ignition mechanism further comprises a blocking net disc, a side plate is fixedly connected to the outer surface of the mixing bin, the side plate is fixedly connected with the output end of a second hydraulic cylinder, and the mounting end of the second hydraulic cylinder is fixedly connected with the outer surface of the combustion chamber; a blocking net disc is fixedly connected in the mixing bin and is positioned between the corrugated pipe and the joint of the conveying pipe and the mixing bin; the center of the blocking net disc is fixedly connected with an internal thread connecting sleeve with two open ends, the internal thread of the internal thread connecting sleeve is connected with a threaded rod which is arranged in a penetrating way, and one end of the threaded rod is fixedly connected with the gas distribution disc; the gas distribution plate is rotatably connected with the mixing pipe.
Compared with the related art, the hot blast stove with high temperature rise speed provided by the invention has the following beneficial effects:
1. the connecting pipe can be rotated through the driving mechanism, so that the heat exchange pipe is driven to rotate in the heat exchange bin, the airflow in the heat exchange bin can be disturbed through the rotation of the heat exchange pipe, the retention time of hot air conveyed in the combustion chamber in the heat exchange bin is prolonged, the heat exchange of fresh air in the heat exchange pipe in the heat exchange bin is facilitated, and the temperature rising speed of the gas in the heat exchange pipe is increased;
2. when the invention is used, because the heat exchange tubes are spirally arranged, the stroke of external fresh air can be increased, thereby increasing the heat exchange time of the external fresh air and improving the temperature rising speed; external fresh air is spirally conveyed in the heat exchange tube, so that the external fresh air is mixed, namely the external fresh air with low temperature is mixed with the external fresh air with high temperature, the overall heating effect and speed of the external fresh air are improved, and the heating speed is further improved;
3. according to the invention, the flow disturbance assembly in the heat exchange tube can also be used for blocking and disturbing the fresh air in the heat exchange tube, so that the flow velocity of the fresh air in the heat exchange tube is reduced, and the flow direction of the fresh air in the heat exchange tube is not uniform, thereby increasing the heat exchange time of the fresh air in the heat exchange tube and further improving the temperature rise speed;
4. when the device is used, hot gas generated by combustion does not directly enter the air outlet mechanism, so that the cleanliness of inlet air is improved, the probability of polluting a dryer and raw materials to be dried in the dryer is reduced, and the device is favorably used.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a hot blast stove with a high heating rate provided by the present invention;
FIG. 2 is a schematic diagram of a three-dimensional structure of the hot blast stove with a high temperature rise speed shown in FIG. 1 in an oblique view direction;
FIG. 3 is a schematic structural view of the intake mechanism shown in FIG. 2;
FIG. 4 is a schematic structural view of the drive mechanism shown in FIG. 2;
FIG. 5 is a schematic structural diagram of the air outlet mechanism shown in FIG. 1;
FIG. 6 is a schematic sectional view of the fast-heating-rate hot blast stove shown in FIG. 1;
FIG. 7 is a schematic structural view of the ignition mechanism shown in FIG. 6;
FIG. 8 is a schematic view showing the internal structure of the mixing chamber in the ignition mechanism shown in FIG. 7;
FIG. 9 is a schematic structural diagram of the heat exchange mechanism shown in FIG. 6;
fig. 10 is a schematic structural diagram of a spoiler assembly in the heat exchange mechanism shown in fig. 9.
Reference numbers in the figures: 1. an air intake mechanism; 11. an air pump; 12. a driven fluted disc; 13. a rotary connector; 14. an air duct; 15. an air inlet pipe; 16. a filter housing; 17. a connecting pipe; 2. a drive mechanism; 21. a rotating shaft; 22. a chain; 23. a driving fluted disc; 24. mounting a plate; 25. an electric motor; 26. a movable net; 3. an ignition mechanism; 31. a side plate; 32. a delivery pipe; 33. a mixing bin; 34. a second hydraulic cylinder; 35. a mixing tube; 36. a gas distribution plate; 37. an ignition nozzle; 38. a threaded connecting sleeve; 39. a threaded rod; 39a, bellows; 39b, a blocking net disk; 4. a base; 5. a combustion chamber; 6. an air outlet mechanism; 61. a speed regulating box; 62. a first hydraulic cylinder; 63. a top box; 64. an air supply pipe; 65. a speed regulation plate; 7. a heat exchange bin; 8. a sweeping assembly; 81. a fixing plate; 82. cleaning with a brush; 9. a heat exchange mechanism; 91. a heat exchange pipe; 92. a communicating pipe; 93. a movable ball; 94. a limiting column; 95. a spring; 96. and an air outlet pipe.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1 to 10, a hot blast stove with a fast heating speed includes: the device comprises a base 4, wherein the upper surface of the base 4 is fixedly connected with a combustion chamber 5, the upper surface of the combustion chamber 5 is fixedly connected with a heat exchange bin 7 which is mutually communicated with the interior of the combustion chamber, and the upper surface of the heat exchange bin 7 is fixedly connected with an exhaust pipe which is mutually communicated with the interior of the heat exchange bin; the ignition mechanism 3, the said ignition mechanism 3 is connected to the combustion chamber 5; the heat exchange mechanism 9, the said heat exchange mechanism 9 is connected to in the heat exchange storehouse 7; the air inlet mechanism 1 is connected with the outer surface of the heat exchange bin 7, and the air inlet mechanism 1 is connected with an air inlet of the heat exchange mechanism 9; the air outlet mechanism 6 is connected with the outer surface of the heat exchange bin 7, and the air outlet mechanism 6 is connected with an air outlet of the heat exchange bin 9; and the driving mechanism 2 is connected with the combustion chamber 5, the driving mechanism 2 is in transmission connection with the air inlet mechanism 1, and the air inlet mechanism 1 and the heat exchange mechanism 9 are driven by the driving mechanism 2.
Need to explain: when the device is used, the exhaust pipe is connected with an external waste gas collecting pipe, fuel is combusted in the combustion chamber 5 through the ignition mechanism 3 to generate hot gas, and heat can be diffused into the heat exchange bin 7; the external air enters the heat exchange mechanism 9 through the air inlet mechanism 1, heat exchange is carried out between the external air and heat in the heat exchange bin 7 in the heat exchange mechanism 9, and then the external air is blown out through the air outlet mechanism 6, so that hot air is blown into the dryer, and the hot air generated by combustion does not directly enter the air outlet mechanism 6, so that the cleanliness of the inlet air is improved, the probability of polluting the dryer and raw materials to be dried in the dryer is reduced, and the use of the device is facilitated;
it is also stated that: the driving mechanism 2 is used for driving the heat exchange mechanism 9 to rotate, so that the air flow in the heat exchange bin 7 is disturbed, the retention time of hot air conveyed in the combustion chamber 5 in the heat exchange bin 7 is prolonged, the heat exchange of the heat exchange mechanism 9 in the heat exchange bin 7 is facilitated, and the temperature rise speed of the air in the heat exchange mechanism 9 is improved;
it is also stated that: through the rotation of heat exchange mechanism 9 for heat exchange mechanism 9 is more even with the heat exchange in heat transfer storehouse 7, thereby improves the effect of heat transfer.
Referring to fig. 1, 2 and 3, the air intake mechanism 1 includes an air pump 11, the air pump 11 is fixedly connected to the outer surface of the heat exchange chamber 7, an air inlet of the air pump 11 is connected to one end of an air intake pipe 15, and the other end of the air intake pipe 15 is connected to a filter cover 16 for filtering air; the air outlet of the air pump 11 is connected with one end of an air duct 14, the other end of the air duct 14 is rotatably connected with a connecting pipe 17 communicated with the air duct through a rotary connector 13, and the connecting pipe 17 penetrates through the heat exchange bin 7 and is rotatably connected with the bin wall of the heat exchange bin 7 in a sealing mode.
Need to explain: by the operation of the air pump 11, external fresh air can enter the air inlet pipe 15 and sequentially enters the heat exchange mechanism 9 through the air guide pipe 14 and the connecting pipe 17, so that the external fresh air is injected into the heat exchange mechanism 9, and the air is sent into a matched dryer through the air outlet mechanism 6 after heat exchange is carried out in the heat exchange mechanism 9, thereby improving the cleanliness of the inlet air and reducing the probability of polluting the dryer and raw materials to be dried in the dryer;
it is also stated that: the gas entering the air inlet pipe 15 can be filtered through the filter cover 16, so that the probability that impurities such as dust in external fresh air enter the heat exchange mechanism 9 is further reduced, and the cleanliness of the inlet air is further improved;
referring to fig. 6 and 9, the heat exchange mechanism 9 includes a heat exchange tube 91, a heat exchange tube 91 spirally disposed is disposed in the heat exchange chamber 7, one end of the heat exchange tube 91 is communicated with the connection tube 17 through a communication tube 92, and the other end of the heat exchange tube 91 is fixedly connected with an air outlet tube 96 concentrically disposed with the connection tube 17; the air outlet pipe 96 penetrates through the heat exchange bin 7 and is in sealed rotary connection with the bin wall of the heat exchange bin 7; a flow disturbing component with a movable function is connected in the heat exchange tube 91.
Need to explain: the external fresh air enters the connecting pipe 92 through the connecting pipe 17 and then enters the spirally arranged heat exchange pipe 91 through the connecting pipe 92, and the external fresh air exchanges heat in the heat exchange pipe 91 to increase the temperature of the external fresh air and finally is sent into the dryer matched with the external fresh air through the air outlet pipe 96;
it is also stated that: the connecting pipe 17 can be rotated by the driving mechanism 2, so that the heat exchange pipe 91 is driven to rotate in the heat exchange bin 7, the air flow in the heat exchange bin 7 can be disturbed by the rotation of the heat exchange pipe 91, the retention time of hot air conveyed in the combustion chamber 5 in the heat exchange bin 7 is prolonged, the heat exchange of fresh air in the heat exchange pipe 91 in the heat exchange bin 7 is facilitated, and the temperature rising speed of the gas in the heat exchange pipe 91 is increased;
it is also stated that: the heat exchange tube 91 is spirally arranged, so that the stroke of external fresh air can be increased, the heat exchange time of the external fresh air is prolonged, and the heating speed is increased; external fresh air is spirally conveyed in the heat exchange tube 91, so that the external fresh air is mixed, namely the external fresh air with low temperature is mixed with the external fresh air with high temperature, the overall heating effect and speed of the external fresh air are improved, and the heating speed is further improved;
it is also stated that: fresh air (air to be heated) in the heat exchange tube 91 can be blocked and disturbed through the disturbed flow component in the heat exchange tube 91, the flow rate of the fresh air in the heat exchange tube 91 is reduced, the flow direction of the fresh air in the heat exchange tube 91 is not uniform, the heat exchange time of the fresh air in the heat exchange tube 91 is prolonged, and the temperature rising speed is further improved.
Referring to fig. 9 and 10, the heat exchange tube 91 is internally connected with a spoiler assembly having a moving function, specifically, the heat exchange tube 91 is internally and fixedly connected with a plurality of vertically arranged limiting columns 94, the limiting columns 94 are provided with a plurality of moving balls 93 for spoiler in series, and two ends of the limiting columns 94 are fixedly connected with springs 95.
Need to explain: when the fresh air in the heat exchange tube 91 flows, the fresh air can contact the movable ball 93 and the limiting column 94 and impact the movable ball 93 and the limiting column 94, so that airflow can be blocked and disturbed, the flow rate of the fresh air in the heat exchange tube 91 is reduced, the flow direction of the fresh air in the heat exchange tube 91 is not uniform, the heat exchange time of the fresh air in the heat exchange tube 91 is prolonged, and the temperature rising speed is further improved;
it is also stated that: when the heat exchange tube 91 rotates through the driving mechanism 2, the movable ball 93 of the heat exchange tube 91 can slide on the limiting rod 94, so that the position of the movable ball 93 can be adjusted along the radial direction of the connecting tube 17, the movable ball 93 can better block and disturb fresh air in the heat exchange tube 91, and the temperature rising speed of the fresh air in the heat exchange tube 91 is further improved;
it is also stated that: the spring 95 can play a role in buffering, and the movable ball 93 is prevented from directly contacting with the inner wall of the heat exchange tube 91 and having rigid collision, so that the damage probability of the heat exchange tube 91 is reduced, and the service life of the heat exchange tube 91 is prolonged.
Referring to fig. 1 and 5, the air outlet mechanism 6 includes a speed regulating box 61, and the speed regulating box 61 is fixedly connected to the outer surface of the heat exchange chamber 7; the air inlet of the governor 61 is connected to the air outlet pipe 96, and the air outlet of the governor 61 is connected to the air supply pipe 64.
Need to explain: fresh air after heat exchange in the heat exchange pipe 91 enters the speed regulating box 61 through the air outlet pipe 96 and finally enters the air supply pipe 64, and the air supply pipe 64 is connected with an air inlet of a dryer matched with the outside, so that gas with high cleanliness can be conveyed into the dryer.
Referring to fig. 5 and 6, the air outlet mechanism 6 further includes a top box 63, the top box 63 is fixedly connected to the upper surface of the speed regulating box 61 and is communicated with the top box, the first hydraulic cylinder 62 penetrating through the top box 63 is fixedly connected to the upper surface of the top box 63, and the output end of the first hydraulic cylinder 62 is located in the top box 63 and is fixedly connected with a speed regulating plate 65 for sealing an opening at the connection position of the air supply pipe 64 and the speed regulating box 61.
Need to explain: the speed regulation plate 65 can be driven to move in the vertical direction through the telescopic driving of the first hydraulic cylinder 62, and the size of an opening at the connection part of the air supply pipe 64 and the speed regulation box 61 can be adjusted through the movement of the speed regulation plate 65, so that the air flow speed blown out from the air outlet of the air supply pipe 64 can be adjusted, the air outlet speed of the device can be adjusted, and the use flexibility of the device is improved;
it is also stated that: when the first hydraulic cylinder 62 extends, the speed regulation plate 65 moves downwards at the moment, and the shielding part of the speed regulation plate 65 is increased, so that the air outlet speed at the outlet of the air feed pipe 64 is increased; when the first hydraulic cylinder 62 is contracted, at this time, the speed regulation plate 65 moves upward, and the portion shielded by the speed regulation plate 65 is reduced, thereby reducing the speed of the air discharged from the outlet of the air feed pipe 64.
Referring to fig. 1, 2 and 3, the driving mechanism 2 includes a mounting plate 24, the mounting plate 24 is fixedly connected to the outer surface of the combustion chamber 5, a motor 25 is fixedly connected to the upper surface of the mounting plate 24, and the output end of the motor 25 is connected to the rotating shaft 21 through a coupling; the rotating shaft 21 is fixedly connected with a driving fluted disc 23 which coaxially rotates; one section of the connecting pipe 17 located outside the heat exchange bin 7 is fixedly connected with a driven fluted disc 12 which coaxially rotates, and the driven fluted disc 12 is in transmission connection with a driving fluted disc 23 through a chain 22.
Need to explain: the motor 25 works to rotate the rotating shaft 21 and the driving fluted disc 23, the driven fluted disc 12 rotates under the action of the chain 22, and the connecting pipe 17 and the heat exchange pipe 91 can be driven to synchronously rotate when the driven fluted disc 12 rotates;
referring to fig. 6, the driving mechanism 2 further includes a movable net 26, the rotating shaft 21 penetrates through the combustion chamber 5 and is rotatably connected to the side wall of the combustion chamber 5, and one end of the rotating shaft 21 located in the combustion chamber 5 is fixedly connected to a plurality of movable nets 26 which are uniformly and circumferentially arranged.
Need to explain: when the rotating shaft 21 is rotated by the motor 25, the movable net 26 is synchronously rotated in the combustion chamber 5 at the moment, and the rotation of the movable net 26 can play a role in blocking and disturbing flow, so that the speed of hot gas in the combustion chamber 5 entering the heat exchange bin 7 is reduced, and the retention time of the hot gas in the heat exchange bin 7 is prolonged;
it is also stated that: through the rotation of the movable net 26, impurities (such as granular carbon powder generated by insufficient combustion of fuel) generated by combustion in the combustion chamber 5 can be blocked and captured, so that the probability that the impurities generated by combustion impact the heat exchange tube 91 is reduced, the probability that the heat exchange tube 91 is damaged is reduced, and the service life of the heat exchange tube 91 is prolonged.
Referring to fig. 6, a sweeping assembly 8 for sweeping the heat exchange pipe 91 is connected in the heat exchange bin 7; the cleaning assembly 8 comprises a fixing plate 81, the top upper surface of the heat exchange bin 7 is fixedly connected with the fixing plate 81, the lower surface of the fixing plate 81 is fixedly connected with a cleaning brush 82, and the cleaning brush 82 is in contact connection with the outer surface of the heat exchange tube 91.
Need to explain: when the heat exchange tube 91 rotates, the heat exchange tube can be in contact with the cleaning brush 82, and the heat exchange tube 91 can be cleaned through the cleaning brush 82, so that the probability of impurities adhering to the outer surface of the heat exchange tube 91 is reduced, the heat exchange between the inside and the outside of the heat exchange tube 91 is facilitated, and the temperature rising speed of fresh air in the heat exchange tube 91 is increased;
it is also stated that: the cleaning brush 82 can also block hot air entering the heat exchange bin 7, so that the time of the hot air in the heat exchange bin 7 is prolonged, and the heat exchange of fresh air in the heat exchange tube 91 is facilitated.
Referring to fig. 1, 6, 7 and 8, the ignition mechanism 3 includes an air distribution plate 36, the combustion chamber 5 is provided with the air distribution plate 36, the outer surface of the air distribution plate 36 is fixedly connected with a plurality of ignition nozzles 37 which are communicated with the inside of the air distribution plate and are uniformly distributed, the air distribution plate 36 is connected with a mixing pipe 35 which is communicated with the air distribution plate, and the mixing pipe 35 penetrates through the combustion chamber 5 and is fixedly connected with the side wall of the combustion chamber 5; the mixing tube 35 is located the outside one end of combustion chamber 5 and is connected with the gas outlet of mixing bin 33 through bellows 39a, and the outer fixed surface of mixing bin 33 is connected with two conveyer pipes 32 rather than intercommunication, and the direction of giving vent to anger of two conveyer pipes 32 is adjusted well and is set up.
Need to explain: external air and fuel gas can be respectively conveyed into the mixing bin 33 through the two conveying pipes 32, the external air and the fuel gas are mixed in the mixing bin 33, then sequentially pass through the corrugated pipe 39a, the mixing pipe 35 and the gas distribution disc 36, and finally are sprayed out through the ignition nozzles 37, and the ignition nozzles 37 have an ignition function, so that the fuel gas is subjected to multi-point combustion in the combustion chamber 5, and hot gas can be supplied into the heat exchange bin 7;
it is also stated that: because the air outlet directions of the two delivery pipes 32 are aligned, the probability that the external air and the fuel gas are contacted with each other in the mixing bin 33 is increased, so that the mixing of the external air and the fuel gas is facilitated, and the combustion of the fuel gas is more sufficient.
Referring to fig. 8, the ignition mechanism 3 further includes a blocking mesh disk 39b, a side plate 31 is fixedly connected to an outer surface of the mixing chamber 33, the side plate 31 is fixedly connected to an output end of the second hydraulic cylinder 34, and a mounting end of the second hydraulic cylinder 34 is fixedly connected to an outer surface of the combustion chamber 5; a blocking net disk 39b is fixedly connected in the mixing bin 33, and the blocking net disk 39b is positioned between the connecting part of the conveying pipe 32 and the mixing bin 33 and the corrugated pipe 39 a; the center of the blocking net disk 39b is fixedly connected with an internal thread connecting sleeve 3 with two open ends, the internal thread connecting sleeve 38 is internally connected with a threaded rod 39 which is arranged in a penetrating way, and one end of the threaded rod 39 is fixedly connected with the air distribution disk 36; the gas distribution plate 36 is rotatably connected to the mixing pipe 35.
Need to explain: the blocking net disc 39b can block the external air and the fuel gas entering the mixing bin 33, and reduce the flow rate of the external air and the fuel gas in the mixing bin 33, so that the mixing time of the external air and the fuel gas is increased, the external air and the fuel gas are mixed more sufficiently, and the fuel gas is combusted more sufficiently;
it is also stated that: the second hydraulic cylinder 34 can be driven to stretch and retract to drive the side plate 31 to move in the horizontal direction, so that the mixing bin 33, the internal thread connecting sleeve 38 and the blocking net disk 39b are driven to synchronously move in the horizontal direction, and when the blocking net disk 39b synchronously moves in the horizontal direction, the internal thread connecting sleeve 38 moves relative to the threaded rod 39, namely, the internal thread connecting sleeve 38 slides along the threaded rod 39, so that the threaded rod 39 and the gas distribution disk 36 can rotate due to the fact that the gas distribution disk 36 is rotationally connected with the mixing pipe 35, so that the position of the ignition nozzle 37 can be adjusted, and the temperature in the combustion chamber 5 is more uniform;
it is also stated that: one section fixedly connected with side ear that threaded rod 39 is located mixing tube 35 for when threaded rod 39 rotates, make the synchronous rotation of side ear, make outside air and gas can be better mixture in mixing tube 35, make the mixture of outside air and gas more abundant, thereby make the burning of gas more abundant.
The hot blast stove with high temperature rise speed provided by the invention has the following working principle:
according to the invention, fuel is combusted in the combustion chamber 5 through the ignition mechanism 3 to generate hot gas, and heat can be diffused into the heat exchange bin 7; the external air enters the heat exchange mechanism 9 through the air inlet mechanism 1, heat exchange is carried out between the external air and heat in the heat exchange bin 7 in the heat exchange mechanism 9, and then the external air is blown out through the air outlet mechanism 6, so that hot air is blown into the dryer, and the hot air generated by combustion does not directly enter the air outlet mechanism 6, so that the cleanliness of the inlet air is improved, the probability of polluting the dryer and raw materials to be dried in the dryer is reduced, and the use of the device is facilitated; according to the invention, the driving mechanism 2 is used for driving the heat exchange mechanism 9 to rotate, so that the airflow in the heat exchange bin 7 is disturbed, the retention time of hot air conveyed in the combustion chamber 5 in the heat exchange bin 7 is prolonged, the heat exchange of the heat exchange mechanism 9 in the heat exchange bin 7 is facilitated, and the temperature rise speed of the gas in the heat exchange mechanism 9 is increased; according to the invention, through the rotation of the heat exchange mechanism 9, the heat exchange between the heat exchange mechanism 9 and the heat exchange bin 7 is more uniform, so that the heat exchange effect is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A hot blast stove with high heating speed is characterized by comprising:
the device comprises a base (4), wherein the upper surface of the base (4) is fixedly connected with a combustion chamber (5), the upper surface of the combustion chamber (5) is fixedly connected with a heat exchange bin (7) which is communicated with the interior of the combustion chamber, and the upper surface of the heat exchange bin (7) is fixedly connected with an exhaust pipe which is communicated with the interior of the heat exchange bin;
the ignition mechanism (3), the said ignition mechanism (3) is connected to the combustion chamber (5);
the heat exchange mechanism (9), the said heat exchange mechanism (9) is connected to in the heat exchange storehouse (7);
the air inlet mechanism (1), the air inlet mechanism (1) is connected with the outer surface of the heat exchange bin (7), and the air inlet mechanism (1) is connected with an air inlet of the heat exchange mechanism (9);
the air outlet mechanism (6), the air outlet mechanism (6) is connected with the outer surface of the heat exchange bin (7), and the air outlet mechanism (6) is connected with an air outlet of the heat exchange mechanism (9);
the driving mechanism (2) is connected with the combustion chamber (5), the driving mechanism (2) is in transmission connection with the air inlet mechanism (1), and the air inlet mechanism (1) and the heat exchange mechanism (9) are driven by the driving mechanism (2).
2. The hot blast stove with the high heating speed according to claim 1, wherein the air inlet mechanism (1) comprises an air pump (11), the outer surface of the heat exchange bin (7) is fixedly connected with the air pump (11), an air inlet of the air pump (11) is connected with one end of an air inlet pipe (15), and the other end of the air inlet pipe (15) is connected with a filter cover (16) for filtering air; the gas outlet of air pump (11) is connected with the one end of air duct (14), and the other end of air duct (14) is connected with connecting pipe (17) rather than intercommunication through swivelling joint head (13) rotation, and connecting pipe (17) run through heat transfer storehouse (7) and with the sealed rotation of the bulkhead of heat transfer storehouse (7) be connected.
3. The hot blast stove with the high heating speed according to claim 2, wherein the heat exchange mechanism (9) comprises a heat exchange pipe (91), the heat exchange bin (7) is internally provided with the heat exchange pipe (91) which is spirally arranged, one end of the heat exchange pipe (91) is communicated with the connecting pipe (17) through a communicating pipe (92), and the other end of the heat exchange pipe (91) is fixedly connected with an air outlet pipe (96) which is concentrically arranged with the connecting pipe (17); the air outlet pipe (96) penetrates through the heat exchange bin (7) and is in sealed rotary connection with the bin wall of the heat exchange bin (7); the heat exchange tube (91) is internally connected with a flow disturbing assembly with a movable function.
4. The hot blast stove with the high heating speed according to claim 3, wherein the turbulence component with the moving function is connected in the heat exchange tube (91), the heat exchange tube (91) is internally and fixedly connected with a plurality of vertically arranged limiting columns (94), the limiting columns (94) are provided with a plurality of moving balls (93) for turbulence in a stringing manner, and two ends of the limiting columns (94) are fixedly connected with springs (95).
5. The hot blast stove with the high heating speed according to claim 3, wherein the air outlet mechanism (6) comprises a speed regulating box (61), and the speed regulating box (61) is fixedly connected to the outer surface of the heat exchange bin (7); the air inlet of the speed regulating box (61) is connected with the air outlet pipe (96), and the air outlet of the speed regulating box (61) is connected with the air supply pipe (64).
6. The hot blast stove with the high heating speed according to claim 5, wherein the air outlet mechanism (6) further comprises a top box (63), the top box (63) is fixedly connected to the upper surface of the speed regulating box (61) and is communicated with the speed regulating box, the first hydraulic cylinder (62) penetrating through the top box (63) is fixedly connected to the upper surface of the top box (63), and the output end of the first hydraulic cylinder (62) is located in the top box (63) and is fixedly connected with a speed regulating plate (65) used for sealing an opening at the joint of the air supply pipe (64) and the speed regulating box (61).
7. The hot blast stove with the high heating speed according to any one of claims 2 to 6, wherein the driving mechanism (2) comprises a mounting plate (24), the outer surface of the combustion chamber (5) is fixedly connected with the mounting plate (24), the upper surface of the mounting plate (24) is fixedly connected with an electric motor (25), and the output end of the electric motor (25) is connected with a rotating shaft (21) through a coupling; the rotating shaft (21) is fixedly connected with a driving fluted disc (23) which coaxially rotates; one section of the connecting pipe (17) located outside the heat exchange bin (7) is fixedly connected with a driven fluted disc (12) which coaxially rotates, and the driven fluted disc (12) is in transmission connection with a driving fluted disc (23) through a chain (22).
8. The hot blast stove with high heating speed according to claim 7, characterized in that a sweeping component (8) for sweeping the heat exchange pipe (91) is connected in the heat exchange bin (7); cleaning subassembly (8) including fixed plate (81), the top upper surface fixed connection in heat transfer storehouse (7) has fixed plate (81), and the lower fixed surface of fixed plate (81) is connected with brush cleaner (82), and brush cleaner (82) are connected with the surface contact of heat exchange tube (91).
9. The hot blast stove with the high heating speed according to claim 7, wherein the ignition mechanism (3) comprises a gas distribution disc (36), the combustion chamber (5) is internally provided with the gas distribution disc (36), the outer surface of the gas distribution disc (36) is fixedly connected with a plurality of ignition nozzles (37) which are mutually communicated with the inside of the gas distribution disc and are uniformly distributed, the gas distribution disc (36) is connected with a mixing pipe (35) which is mutually communicated with the gas distribution disc, and the mixing pipe (35) penetrates through the combustion chamber (5) and is fixedly connected with the side wall of the combustion chamber (5); mixing tube (35) are located the outside one end of combustion chamber (5) and pass through bellows (39a) and are connected with the gas outlet of mixing storehouse (33), and mix the outer fixed surface in storehouse (33) and be connected with two rather than conveyer pipes (32) that communicate each other, and the direction of giving vent to anger of two conveyer pipes (32) is adjusted well and is set up.
10. The hot blast stove with high heating speed according to claim 9, wherein the ignition mechanism (3) further comprises a blocking mesh plate (39b), a side plate (31) is fixedly connected to the outer surface of the mixing bin (33), the side plate (31) is fixedly connected with the output end of a second hydraulic cylinder (34), and the mounting end of the second hydraulic cylinder (34) is fixedly connected with the outer surface of the combustion chamber (5); a blocking net disc (39b) is fixedly connected in the mixing bin (33), and the blocking net disc (39b) is positioned between the joint of the conveying pipe (32) and the mixing bin (33) and the corrugated pipe (39 a); the center of the blocking net disc (39b) is fixedly connected with an internal thread connecting sleeve (3) with two open ends, the internal thread connecting sleeve (38) is internally connected with a threaded rod (39) which is arranged in a penetrating way, and one end of the threaded rod (39) is fixedly connected with the air distribution disc (36); the gas distribution disc (36) is rotatably connected with the mixing pipe (35).
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| CN202110553866.5A CN113418296A (en) | 2021-05-20 | 2021-05-20 | Hot-blast furnace that programming rate is fast |
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| CN202110553866.5A CN113418296A (en) | 2021-05-20 | 2021-05-20 | Hot-blast furnace that programming rate is fast |
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| CN113418296A true CN113418296A (en) | 2021-09-21 |
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| CN202110553866.5A Pending CN113418296A (en) | 2021-05-20 | 2021-05-20 | Hot-blast furnace that programming rate is fast |
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| CN210485710U (en) * | 2019-09-27 | 2020-05-08 | 徐东 | Novel combustor |
| CN211739475U (en) * | 2020-03-27 | 2020-10-23 | 南京智热节能科技有限公司 | Hot-blast furnace convenient to adjust air output |
| CN211953845U (en) * | 2020-03-16 | 2020-11-17 | 中国大唐集团科学技术研究院有限公司华东电力试验研究院 | Device for preventing dirty siltation of internal flow passage of plate heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0443211A (en) * | 1990-06-08 | 1992-02-13 | Takahashi Shoten:Kk | Bean-curd refuse incinerator with hot air generating device |
| CN103398608A (en) * | 2013-08-06 | 2013-11-20 | 浙江九兴节能科技有限公司 | Countercurrent multistage rotating heat pipe hot blast stove |
| CN104596100A (en) * | 2015-01-17 | 2015-05-06 | 虞建军 | Drum type hot-blast stove |
| CN105202753A (en) * | 2015-10-09 | 2015-12-30 | 无锡市惠山区农机化技术推广服务中心 | Indirect chain-grate type straw hot air stove |
| CN107957137A (en) * | 2017-11-30 | 2018-04-24 | 杨朴 | A kind of fuel gas hot-blast stove |
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| CN210485710U (en) * | 2019-09-27 | 2020-05-08 | 徐东 | Novel combustor |
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| CN211739475U (en) * | 2020-03-27 | 2020-10-23 | 南京智热节能科技有限公司 | Hot-blast furnace convenient to adjust air output |
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