CN215831989U

CN215831989U - Dual-mode combustion furnace

Info

Publication number: CN215831989U
Application number: CN202120869962.6U
Authority: CN
Inventors: 陈杰; 张平; 何海宾; 程修备; 马银海
Original assignee: Shaoxing Zhongte Machinery Manufacturing Co ltd
Current assignee: Shaoxing Zhongte Machinery Manufacturing Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-02-15
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a dual-mode combustion furnace, which comprises a bracket, a combustion device arranged on the bracket, a wind shield blocking outside wind, a wind inlet device for controlling wind inlet and a tilting prevention device for preventing tilting, wherein the combustion device comprises a fuel hopper arranged on the bracket, a fire outlet disc arranged in the fuel hopper, a fire spraying pipe arranged on the fire outlet disc, a vaporization pipe arranged on the fire outlet disc, a heat conducting fin arranged on the fire outlet disc, a switching structure for switching a fuel combustion mode and a feeding structure for adding fuel, and the switching structure comprises a rotating shaft arranged on the fire outlet disc, a blocking piece arranged on the rotating shaft, a torsion spring arranged on the rotating shaft, an adjusting block arranged on the bracket, a connecting rod arranged on the adjusting block and a control structure for controlling the position of the adjusting block.

Description

Dual-mode combustion furnace

Technical Field

The utility model belongs to the technical field of combustion furnaces, and particularly relates to a dual-mode combustion furnace.

Background

Small-sized combustion furnaces using liquid such as alcohol, gasoline and the like as fuel are often used in food cooking processes, such as chafing dish stoves, outdoor stoves and the like, and these stoves are used in outdoor use, especially when the environmental wind is too strong, the stove fire is blown by wind and cannot be stabilized, the heating effect is poor, and the flying flame has a danger of burning surrounding users, so that such stoves need to be windproof. At present, the windproof measures of the liquid fuel furnace are mainly to add a semi-closed windproof cover, so that a certain windproof effect can be achieved when wind power is low, but when the wind power is high, the windproof effect is not good, and the windproof cover generally only can adopt a semi-closed structure to ensure the supply of combustion oxygen. The combustion of the small liquid stove generally has two modes; firstly, the natural vaporization combustion mode, flame temperature is about 500 degrees centigrade, like common alcohol heater, the other is the injection vaporization combustion mode, and flame temperature can reach about 1000 degrees centigrade, like the alcohol blast burner. The jet vaporization combustion has high heating speed and is suitable for rapid heating, and the natural vaporization combustion is suitable for the heat preservation process.

However, most of the existing combustion furnaces can only work in a single mode, and the heating modes of the combustion furnaces cannot be switched according to actual heating needs, so that the use experience of the combustion furnaces is poor, and the heating effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dual-mode combustion furnace which can switch modes and has good heating effect in order to overcome the defects of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: a dual-mode combustion furnace comprises a support, a combustion device arranged on the support, a wind shield blocking outside wind, a wind inlet device used for controlling wind inlet and a tilting prevention device used for preventing tilting, wherein the combustion device comprises a fuel hopper arranged on the support, a fire outlet disc arranged in the fuel hopper, a fire spraying pipe arranged on the fire outlet disc, a vaporization pipe arranged on the fire outlet disc, a heat conducting fin arranged on the fire outlet disc, a switching structure used for switching a fuel combustion mode and a feeding structure used for adding fuel, the switching structure comprises a rotating shaft arranged on the fire outlet disc, a blocking piece arranged on the rotating shaft, a torsion spring arranged on the rotating shaft, an adjusting block arranged on the support, a connecting rod arranged on the adjusting block and a control structure used for controlling the position of the adjusting block; through the arrangement of the combustion device, when fuel is added into the fuel hopper, the fuel is ignited, and when the baffle plate is folded under the pushing of the torsion spring to block the vaporization pipe, the vaporized fuel is sprayed out of the flame spraying pipe to form a jet vaporization combustion shape; when the adjusting block is pulled to move and fixed through the control structure, the blocking piece can be opened, the vaporization of the fuel cannot form an injection mode due to the large aperture of the vaporization pipe, and the fuel in the combustion hopper is in a natural vaporization combustion state, so that the combustion mode of the combustion furnace can be switched according to actual needs, the use of the combustion furnace is facilitated, and the heating effect of the combustion furnace is improved.

Preferably, the control structure comprises a pull rod arranged on the adjusting block, a limiting block arranged on the pull rod, a limiting table arranged on the bracket, a limiting groove arranged on the limiting table, a rotating rod arranged on the pull rod and an extension pipe arranged on the rotating shaft; through the setting of control structure, accessible extension pipe cooperation adsorb in the axis of rotation, extension pipe pulling the pull rod removes in order to drive the regulating block removes to suitable position, rotates the extension pipe and drives the pull rod rotates, stopper meeting interference fit's card is located the spacing inslot, with the restriction the pull rod removes, guarantees the stability of the mode of fuel burning in the fuel hopper

Preferably, the feeding structure comprises a feeding cylinder arranged on the combustion hopper, a feeding pipe arranged on the feeding cylinder, a one-way valve arranged on the feeding pipe, a feeding shaft arranged in the feeding cylinder, a propeller arranged on the feeding shaft, a material pushing plate arranged on the feeding propeller, a material blocking plate arranged on the feeding shaft, a rotating disc arranged on the material blocking plate and a pressure spring arranged on the feeding shaft, and the heat conducting plate is an arc-shaped plate; through the arrangement of the feeding structure, the rotating disc can be extruded to drive the baffle plate on the feeding shaft to open the channel of the feeding pipe, the feeding shaft is rotated to drive the material pushing plate to rotate through the propeller to drive fuel to enter the fuel hopper, the rotating wheel is loosened, the baffle plate can block the backflow of the fuel, so that manual dumping is not needed, the fuel cannot splash to a user, and the safety and the convenience of adding the fuel are improved; when fuel residue still exists after combustion, the feed shaft can be rotated reversely to drive the propeller to turn over, so that the fuel flows back to the feed pipe to be pinched for temporary storage, and meanwhile, the fire outlet disc is rotated to enable the heat conducting fins to scrape the inner wall of the fuel hopper, so that the residue of the fuel in the fuel is reduced. So as to ensure the full collection of the fuel and the safety of the fuel use and transportation.

Preferably, the air inlet device comprises an air inlet pipe arranged on the windshield, a slot arranged on the air inlet pipe, an insertion door arranged on the air inlet, a fixing piece arranged on the air inlet pipe and a wind shield arranged on the bracket; through the arrangement of the air inlet device, when the external air speed is low, the inserting door is moved to open the upper channel of the air inlet pipe, so that the air flow directly contacts with the fuel; when the external wind speed is high, the inserting door is moved to open the lower channel of the air inlet pipe, and the air flow can contact with the fuel after passing through the blocking and slow flow of the wind shield, so that the wind shielding effect of the wind shield is effectively guaranteed, and the combustion effect of the fuel is guaranteed.

Preferably, the tilting prevention device comprises a bottom ring arranged on the wind shield, a connecting platform arranged on the support, a connecting rod suitable for the connecting platform, a hinge rod arranged on the wind shield, a barb arranged on the hinge rod and a fixing structure for stably fixing the support on the bottom surface; through the arrangement of the anti-falling device, the center of the wind shield is reduced through the arrangement of the bottom ring, the area of a supporting surface of the wind shield is increased, and the stability of the combustion furnace is improved; meanwhile, the barb on the hinged rod is hooked on the connecting rod, so that the stability of the combustion furnace can be further improved, and the normal work and use safety of the combustion furnace can be ensured.

Preferably, the fixing structure comprises a gear shaping arranged on the bracket, a rotary groove arranged on the bracket, a rotary shaft arranged in the rotary groove, a rotary rod arranged on the rotary shaft, a frustum arranged on the rotary shaft and a spiral platform arranged on the frustum; through fixed knot constructs's setting rotates the bull stick drives the pivot rotates, the frustum can be mobilized the helical platform rotates in order to insert in the soil ground, simultaneously the gear shaping can insert in the bottom surface earth, thereby further improve the steadiness that the support was placed and the security of fuel burning.

Preferably, the combustion device further comprises a heat preservation cavity arranged on the support, a flow slowing cabin arranged on the wind shield, a flow slowing hole arranged on the flow slowing cabin, a return pipe arranged on the wind shield, a filter plate arranged in the heat preservation cavity and an exhaust pipe arranged on the frame; through the further arrangement of the combustion device, hot airflow can flow upwards and enter the slow flow cabin through the slow flow holes to continuously heat and preserve heat of the side face of a heating object, meanwhile, partial hot airflow can flow back into the heat preservation cavity through the return pipe to preserve heat of the combustion hopper, and meanwhile, the hot airflow is discharged from the exhaust pipe after being filtered, so that the combustion effect of the combustion furnace is guaranteed, and the environment friendliness of the combustion furnace is improved.

In summary, the above is provided.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic cross-sectional view at a-a in fig. 2.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a partially enlarged view of B in fig. 4.

Fig. 6 is a partially enlarged view at C in fig. 3.

Fig. 7 is a partial enlarged view of fig. 3 at D.

Fig. 8 is a partial enlarged view of fig. 3 at F.

Detailed Description

As shown in fig. 1 to 8, the dual-mode combustion furnace includes a support 1, a combustion device, a wind shield 11, an air intake device, and an anti-tilting device, wherein the wind shield 11 is covered on the support 1.

Further, the combustion device comprises a fuel hopper 21, a fire outlet plate 22, a fire spraying pipe 23, a vaporization pipe 24, a heat conducting fin 25, a heat preservation cavity 26, a slow flow cabin 27, a slow flow hole 28, a return pipe 29, a filter plate 291, an exhaust pipe 292, a switching structure and a feeding structure, wherein the fuel hopper 21 is fixedly arranged on the bracket 1, and the inner wall of the fuel hopper is provided with a step; the fire outlet disc 22 is clamped on the step; the flame spraying pipe 23 is fixedly connected to the center of the fire outlet plate 22; the vaporizing tubes 24 are fixedly connected to the fire outlet disc 22, a plurality of vaporizing tubes are arranged around the fire outlet disc 22 in the circumferential direction, and the height of the vaporizing tubes 24 is lower than that of the flame spraying tubes 23; the heat conducting fins 25 are fixedly connected to the bottom of the fire outlet plate 22, are arc-shaped plates, and one end of each heat conducting fin abuts against the inner wall of the fuel hopper 21; the slow flow cabin 27 is arranged in the bracket 1 and surrounds the circumferential direction of the fuel hopper 21; the slow flow cabin 27 is arranged in the inner wall of the top end of the windshield; the flow slowing hole 28 is arranged at the bottom of the flow slowing cabin 27; one end of the return pipe 29 is communicated with the inside of the slow flow cabin 27, the other end of the return pipe is communicated with the inside of the heat preservation cavity 26, and the filter screen is fixedly arranged in the heat preservation cavity 26; the exhaust pipe 292 is fixedly connected to the windshield 11 and one end thereof is communicated with the heat preservation cavity 26.

Further, the switching structure comprises a rotating shaft 31, a blocking piece 32, a torsion spring 33, an adjusting block 34, a connecting rod 35 and a control structure, wherein the rotating shaft 31 is fixedly connected to the top of the flame spraying pipe 23; the two baffles are hinged on the rotating shaft 31 and symmetrically arranged; the torsion spring 33 is sleeved on the rotating shaft 31, and two ends of the torsion spring are respectively and fixedly connected to the two blocking pieces 32; two connecting rods 35 are provided, one end of each connecting rod is hinged to the corresponding blocking piece 32, and the other end of each connecting rod is hinged to the adjusting block 34.

Further, the control structure comprises a pull rod 41, a limiting block 42, a limiting table 43, a limiting groove 44, a rotating rod 45 and an extension pipe 46, wherein the pull rod 41 is rotatably connected to the adjusting block 34; a plurality of limiting blocks 42 are fixedly connected to the pull rod 41, and a plurality of limiting blocks 42 are arranged along the axial direction of the pull rod 41; the limiting table 43 is fixedly connected to the rack, the limiting groove 44 is formed in the limiting table 43, and the limiting table 43 can be correspondingly clamped in the limiting groove 44 in a matching manner; the rotating rod 45 is fixedly connected to one end of the pull rod 41 far away from the adjusting block 34, and a polygonal groove is formed in the end face of the end of the pull rod 41; the elongated tube 46 can be correspondingly inserted into the polygonal groove in a matching manner, and a magnet is fixedly connected to the elongated tube 46.

Further, the feeding structure comprises a feeding cylinder 51, a feeding pipe 52, a one-way valve 53, a feeding shaft 54, a propeller 55, a material pushing plate 56, a material blocking plate 57, a rotating disc 58 and a pressure spring 59, wherein the feeding cylinder 51 is fixedly connected to the bottom of the fuel hopper; the feeding pipe 52 is fixedly connected to the side wall of the feeding cylinder 51; the check valve 53 is fixedly connected in the feeding pipe 52, and can be a check valve made of a common high-temperature resistant material; the feeding shaft 54 is rotatably arranged in the feeding cylinder 51 in a penetrating way, and the propeller 55 is fixedly connected onto the feeding shaft; the material pushing plates 56 are fixedly connected to the propeller 55 and are arranged at intervals along the spiral direction of the propeller 55; the material baffle plate 57 is fixedly connected to one end of the feeding shaft 54, which is positioned on the feeding cylinder 51 and can be clamped in the opening of the feeding cylinder 51 in a matching manner; the plate rotating disc 58 is fixedly connected to the bottom end of the feeding shaft 54 extending out of the feeding cylinder 51; the pressure spring 59 is sleeved on the feeding shaft 54, one end of the pressure spring is abutted on the outer end face of the bottom of the feeding cylinder 51, and the other end of the pressure spring is abutted on the rotating disc 58.

Further, the air intake device comprises an air intake pipe 61, a slot, a door 63, a fixing member 64 and a wind shield 65, wherein the air intake pipe 61 is fixedly connected to the side wall of the windshield 11, and the slot is formed in the wall of the air intake pipe; the inserting door 63 correspondingly penetrates through the slot and can relatively move along the slot; the fixing member 64 may be a bolt, which is inserted through the sidewall of the air inlet duct 61 and abuts against the insertion door 63; deep bead 65 rigid coupling in just follow in the direction of height of frame the interval is equipped with a plurality ofly, be crisscross setting each other between the deep bead 65.

Further, the tilting prevention device comprises a bottom ring 71, a connecting platform 72, a connecting rod 73, a hinge rod 74, a barb 75 and a fixing structure, wherein the bottom ring 71 is fixedly connected to the bottom of the windshield 11; the connecting table 72 is fixedly connected to the side wall of the bracket 1, and the connecting rod 73 is fixedly connected to the connecting table; one end of the hinge rod 74 is hinged to the inner wall of the windshield 11, the other end of the hinge rod is fixedly connected to the barb 75, and the barb 75 is buckled on the connecting rod 73.

Furthermore, the fixing structure comprises a plurality of gear shaping teeth 81, a rotating groove 82, a rotating shaft 83, a rotating rod 84, a frustum 85 and a spiral table 86, wherein the gear shaping teeth 81 are fixedly connected to the bottom of the bracket 1, the rotating grooves 82 are arranged on the side wall of the bracket 1 and are arranged in the circumferential direction around the central shaft of the bracket 1; the rotating shaft 83 is rotatably arranged in the rotating groove 82 in a penetrating way, and the top of the rotating shaft is fixedly connected with the rotating rod 84; the bottom of the rotating rod 84 is fixedly connected with the frustum 85, and the frustum 85 is fixedly connected with the spiral platform 86.

The specific implementation process of the utility model is as follows: when fuel is added into the fuel hopper 21, the fuel is ignited, and when the baffle plate 32 is folded under the pushing of the torsion spring 33 to block the vaporization pipe 24, the vaporized fuel is sprayed out of the flame spraying pipe 23 to form a spray vaporization combustion shape; when the adjusting block 34 is pulled to move and fixed through the control structure, the blocking piece 32 can be opened, and because the aperture of the vaporization pipe 24 is larger, the fuel vaporization cannot form an injection mode, and the fuel in the combustion hopper is in a natural vaporization combustion state.

Claims

1. The utility model provides a dual mode fires burning furnace, includes support (1), locates burner on the support, block outer wind's windshield (11), be used for controlling the hot blast blowpipe apparatus of hot blast blowpipe and be used for preventing the tilting prevention device who topples over, its characterized in that: the combustion device comprises a fuel hopper (21) arranged on the support, a fire outlet disc (22) arranged in the fuel hopper (21), a fire spraying pipe (23) arranged on the fire outlet disc (22), a vaporization pipe (24) arranged on the fire outlet disc (22), a heat conducting sheet (25) arranged on the fire outlet disc (22), a switching structure for switching fuel combustion modes and a feeding structure for adding fuel, wherein the switching structure comprises a rotating shaft (31) arranged on the fire outlet disc (22), a blocking sheet (32) arranged on the rotating shaft (31), a torsion spring (33) arranged on the rotating shaft (31), an adjusting block (34) arranged on the support (1), a connecting rod (35) arranged on the adjusting block (34) and a control structure for controlling the position of the adjusting block (34).

2. A dual mode combustion furnace as set forth in claim 1 wherein: the control structure comprises a pull rod (41) arranged on the adjusting block (34), a limiting block (42) arranged on the pull rod (41), a limiting table (43) arranged on the support (1), a limiting groove (44) arranged on the limiting table (43), a rotating rod (45) arranged on the pull rod (41) and an extension pipe (46) arranged on the rotating shaft (31).

3. A dual mode combustion furnace as set forth in claim 1 wherein: the feeding structure comprises a feeding barrel (51) arranged on the fuel hopper, a feeding pipe (52) arranged on the feeding barrel (51), a one-way valve (53) arranged on the feeding pipe (52), a feeding shaft (54) arranged in the feeding barrel (51), a propeller (55) arranged on the feeding shaft (54), a material pushing plate (56) arranged on the propeller, a material baffle plate (57) arranged on the feeding shaft (54), a rotating disc (58) arranged on the feeding shaft and a pressure spring (59) arranged on the feeding shaft (54), wherein the heat conducting plate (25) is an arc-shaped plate.

4. A dual mode combustion furnace as set forth in claim 1 wherein: the air inlet device comprises an air inlet pipe (61) arranged on the windshield (11), a slot arranged on the air inlet pipe (61), an insertion door (63) arranged on the air inlet pipe, a fixing part (64) arranged on the air inlet pipe (61) and a wind shield (65) arranged on the support (1).

5. A dual mode combustion furnace as set forth in claim 1 wherein: the tilting prevention device comprises a bottom ring (71) arranged on the wind shield (11), a connecting platform (72) arranged on the support (1), a connecting rod (73) suitable for being connected onto the connecting platform (72), a hinge rod (74) arranged on the wind shield (11), a barb (75) arranged on the hinge rod (74) and a fixing structure used for stably fixing the support (1) on the bottom surface.

6. A dual mode combustion furnace as set forth in claim 5 wherein: the fixing structure comprises a gear shaping (81) arranged on the support (1), a rotary groove (82) arranged on the support (1), a rotary shaft (83) arranged in the rotary groove (82), a rotary rod (84) arranged on the rotary shaft (83), a frustum (85) arranged on the rotary shaft (83) and a spiral platform (86) arranged on the frustum (85).

7. A dual mode combustion furnace as set forth in claim 1 wherein: the combustion device further comprises a heat preservation cavity (26) arranged on the support (1), a slow flow cabin (27) arranged on the wind shield (11), a slow flow hole (28) arranged on the slow flow cabin, a return pipe (29) arranged on the wind shield (11), a filter plate (291) arranged in the heat preservation cavity (26) and an exhaust pipe (292) arranged on the support.