CN212806057U

CN212806057U - Vertical fan heater

Info

Publication number: CN212806057U
Application number: CN202021089986.1U
Authority: CN
Inventors: 范群超
Original assignee: Zhejiang Zhoubo Science & Technology Co ltd
Current assignee: Zhejiang Zhibo Technology Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-03-26
Anticipated expiration: 2030-06-12

Abstract

The utility model provides a vertical electric fan heater belongs to combustion apparatus technical field. The fan heater solves the problems that most of the existing fan heaters are provided with a material box and a combustion chamber inside the same machine body, the material box carries out automatic feeding through a feeding device, the phenomenon of tempering can occur in the feeding device, and certain potential safety hazards exist. The utility model discloses a burning box and storage case, burning box and the independent interval setting of storage case are equipped with material feeding unit between burning box and the storage case, and this material feeding unit is arranged in sending the pellet fuel in the storage case to the combustion chamber in the burning box, sets up between material feeding unit and the combustion chamber and prevents the structure of tempering. The utility model has the advantages of the normal transport of fuel can be guaranteed through hose connection between material feeding unit and the combustion chamber to burning box and storage case independent setting, when having the heat backward flow in the combustion chamber, high temperature bakes the hose, has just so cut off the tempering route, ensures storage case safety.

Description

Vertical fan heater

Technical Field

The utility model belongs to the technical field of combustion apparatus, a vertical electric fan heater is related to.

Background

The particle warm air blower takes agricultural and forestry waste particles such as straws and the like as fuels, adopts a semi-gasification combustion mode, effectively avoids the problems of slag bonding and the like of the straw particles in the direct combustion process, adopts the accurate control of air distribution, feeding, gasification and combustion, and realizes high-efficiency clean combustion in an integrated machine. Air enters the machine body under the action of the circulating fan, is heated when flowing through the heat exchange device, and finally forms warm air from the air outlet.

Some electric fan heaters on the market at present are the workbin and the combustion chamber setting inside same organism mostly, the workbin carries out autoloading through material feeding unit, because material feeding unit directly communicates with the combustion chamber, because in the combustion process, the increase of temperature and atmospheric pressure in the combustion chamber, the phenomenon of tempering can appear, ignite the fuel in the material feeding unit, and still can ignite the fuel in the storage case, consequently, certain potential safety hazard exists in this type of electric fan heater, and because the influence that receives the thermal radiation of combustion chamber outer wall, can accelerate electrical components's ageing, influence the stability of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior fan heater and providing the fan heater which can eliminate the tempering hidden trouble between the storage box and the combustion chamber.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a vertical electric fan heater, includes burning case and storage case, its characterized in that, burning case and the independent interval setting of storage case, be equipped with material feeding unit between burning case and the storage case, this material feeding unit is arranged in sending the combustion chamber in the burning case with the pellet fuel in the storage case, sets up the structure of preventing tempering between material feeding unit and the combustion chamber.

In the above vertical fan heater, the anti-backfire structure comprises a hose, one end of the hose is communicated with the discharge hole of the feeding device, and the other end of the hose is communicated with the combustion chamber.

In the vertical fan heater, the plurality of heat exchange tubes are arranged above the combustion chamber, the air blowing device is arranged at the bottom of the combustion chamber, the air outlet is formed in the top of the combustion box, and hot air on the outer wall of each heat exchange tube is blown out from the air outlet by the air blowing device to form hot air.

In the vertical fan heater, the combustion box is provided with a material passing box communicated with the combustion chamber, a material guide pipe is arranged in the material passing box, one end of the material guide pipe is communicated with the feeding device through a hose, and the opening of the other end of the guide pipe faces the combustion chamber. The burning in the storage box is transported to the hose by the material feeding unit, falls into the material passing box by the hose, and finally falls into the combustion chamber through the material guide pipe.

In foretell vertical electric fan heater, material feeding unit include conveying pipe and pay-off auger, the pay-off auger rotates and sets up in the conveying pipe, the one end of conveying pipe is provided with driving motor drive pay-off auger and rotates, the other end inserts in the storage case, is equipped with a locating sleeve on the storage case, the conveying pipe box is established in the locating sleeve, the fixed seat that rotates that is equipped with in bottom of storage case, the lower extreme of pay-off auger surpasss behind the conveying pipe and rotates the setting on this rotates the seat.

In the vertical fan heater, the outer wall of the lower end of the feeding pipe is provided with a feeding port, and the outer wall of the upper end of the feeding pipe is provided with a connecting pipe which is communicated with the hose.

In the vertical fan heater, the combustion chamber is internally provided with the fire grate, and the material passing box is internally provided with a driving mechanism for driving the fire grate to reciprocate relative to the combustion chamber.

In the above vertical fan heater, the driving mechanism includes a connecting rod, one end of the connecting rod is fixedly connected with the grate, the other end of the connecting rod is fixedly connected with a handle through a connecting rod, and the handle is arranged outside the material passing box.

In the vertical fan heater, the combustion box is internally provided with an ash accumulation box, the bottom of the combustion chamber is provided with an ash falling port, the ash falling port is connected with an ash falling pipe, and one end of the ash falling pipe is inserted into the ash accumulation box.

In foretell vertical electric fan heater, the combustion box on be provided with the deashing door, the deashing door includes outer door plant and deposition room, the deposition room fixed set up on the organism of electric fan heater and correspond with the heat exchange tube in the electric fan heater, outer door plant rotates the outside that sets up at the deposition room, still is provided with thermal-insulated door plant between outer door plant and the deposition room, thermal-insulated door plant and outer door plant link firmly, thermal-insulated door plant on still be provided with seal structure, outer door plant closed back makes through above-mentioned seal structure and forms sealedly between thermal-insulated door plant and the deposition room.

In the vertical fan heater, the back surface of the dust chamber is attached to the pipe orifice of the heat exchange pipe, the back surface of the dust chamber is provided with a plurality of dust sweeping holes, and the positions of the dust sweeping holes correspond to the position of the pipe orifice of the heat exchange pipe.

In the vertical fan heater, the heat insulation door plate comprises an inner heat insulation plate and an outer heat insulation plate, the inner heat insulation plate is fixedly arranged on the inner side surface of the outer heat insulation plate, a heat insulation cavity is enclosed between the inner heat insulation plate and the outer heat insulation plate, and heat insulation materials are filled in the heat insulation cavity.

In the above vertical fan heater, the sealing structure includes an elastic sealing element, the periphery of the outer heat insulation board crosses the inner heat insulation board to extend outwards and turn over, so that a closed sealing groove is formed at the periphery of the outer heat insulation board, the elastic sealing element is filled in the sealing groove, and after the outer door board is closed, the outer edge of the dust deposition chamber is embedded in the elastic sealing element, so that sealing is formed between the heat insulation door board and the dust deposition chamber.

In the vertical fan heater, a combustion fan is arranged in the material passing box.

In the above vertical warm air blower, the blower device includes a centrifugal blower.

In the vertical fan heater, the combustion box is internally provided with a flue fan, one end of the flue fan is communicated with the heat exchange tube, and the other end of the flue fan is communicated with the outside through the smoke exhaust tube.

In the vertical fan heater, the material passing box is internally provided with the temperature sensor, and the detection end of the temperature sensor extends into the combustion chamber and is used for detecting the temperature change of the combustion chamber.

The utility model discloses following beneficial effect has:

1. the combustion box and the storage box are independently arranged, the feeding device is connected with the combustion chamber through a hose, so that normal conveying of fuel can be guaranteed, when heat in the combustion chamber flows back, the hose is baked at high temperature, a tempering path is cut off, and the safety of the storage box is guaranteed;

2. the feeding device is detachably connected with the material storage box, so that the maintenance and the cleaning are convenient;

3. through the design of the ash removal door, the ash in the heat exchange tube can be conveniently removed, and the heat exchange tube is prevented from being blocked; through the design of the heat insulation door plate and the sealing structure, the heat of the heat exchange tube is prevented from being transferred to the outer door plate, and scalding is avoided;

4. the storage box can store more fuel than the integrated fan heater.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention with the outer frame removed;

fig. 3 is a cross-sectional view of the general structure of the present invention;

fig. 4 is a cross-sectional view of the feeding device of the present invention;

FIG. 5 is a cross-sectional view of the internal structure of the feed-through box of the present invention;

FIG. 6 is a schematic structural view of the ash removing door of the present invention;

fig. 7 is a sectional view of the ash removal door of the present invention.

In the figure, 1, a combustion box; 2. a material storage box; 3. a combustion chamber; 4. a heat exchange pipe; 5. a hose; 6. passing a material box; 7. a material guide pipe; 8. a feed pipe; 9. a feeding auger; 10. a drive motor; 11. positioning the sleeve; 12. a rotating seat; 13. a feed port; 14. a connecting pipe; 15. a grate; 16. a connecting rod; 17. an air outlet; 18. an ash accumulation box; 19. a dust falling pipe; 20. a dust falling port; 21. an outer door panel; 22. an ash accumulation chamber; 23. ash holes are swept; 24. a heat-insulating door panel; 25. an inner heat insulation plate; 26. an outer insulation panel; 27. a thermally insulating cavity; 28. sealing the groove; 29. a flue fan; 30. a smoke exhaust pipe; 31. a temperature sensor; 32. a combustion fan; 33. a centrifugal fan.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, the fuel combustion device comprises a combustion box 1 and a storage box 2, wherein the combustion box 1 and the storage box 2 are independently arranged at intervals, a feeding device is arranged between the combustion box 1 and the storage box 2, the feeding device is used for feeding particulate fuel in the storage box 2 to a combustion chamber 3 in the combustion box 1, an anti-backfire structure is arranged between the feeding device and the combustion chamber 3, the anti-backfire structure comprises a hose 5, one end of the hose 5 is communicated with a discharge hole of the feeding device, and the other end of the hose is communicated with the combustion chamber 3.

As shown in fig. 5, a material passing box 6 is arranged on the combustion box 1 and is communicated with the combustion chamber 3, a material guiding pipe 7 is arranged in the material passing box 6, one end of the material guiding pipe 7 is communicated with the feeding device through a hose 5, the opening of the other end of the guiding pipe faces the combustion chamber 3, the combustion in the material storage box 2 is conveyed into the hose 5 through the feeding device, then falls into the material passing box 6 through the hose 5, and finally falls into the combustion chamber 3 through the material guiding pipe 7.

As shown in fig. 4, the feeding device includes a feeding pipe 8 and a feeding auger 9, the feeding auger 9 is rotatably disposed in the feeding pipe 8, one end of the feeding pipe 8 is provided with a driving motor 10 to drive the feeding auger 9 to rotate, the other end of the feeding auger 9 is inserted into the storage box 2, a positioning sleeve 11 is disposed on the storage box 2, the feeding pipe 8 is sleeved in the positioning sleeve 11, a rotating seat 12 is fixedly disposed at the bottom of the storage box 2, the lower end of the feeding auger 9 exceeds the feeding pipe 8 and then is rotatably disposed on the rotating seat 12, a feeding port 13 is formed in the outer wall of the lower end of the feeding pipe 8, a connecting pipe 14 is disposed on the outer wall of the upper end of the feeding pipe 8, and the connecting pipe 14 is communicated.

The combustion chamber 3 is internally provided with a fire grate 15, the material passing box 6 is internally provided with a driving mechanism for driving the fire grate 15 to reciprocate back and forth relative to the combustion chamber 3, the driving mechanism comprises a connecting rod 16, one end of the connecting rod 16 is fixedly connected with the fire grate 15, the other end of the connecting rod is fixedly connected with a handle through a connecting rod, the handle is arranged outside the material passing box 6, the combustion box 1 is internally provided with an ash accumulation box 18, the bottom of the combustion chamber 3 is provided with an ash falling port 20, the ash falling port 20 is connected with an ash falling pipe 19, and one end of the ash falling pipe 19 is inserted into the ash accumulation box 18.

As shown in fig. 6 and 7, the combustion box 1 is provided with an ash removing door, the ash removing door comprises an outer door panel 21 and an ash deposition chamber 22, the ash deposition chamber 22 is fixedly arranged on the body of the fan heater and corresponds to the heat exchange tube 4 in the fan heater, the outer door panel 21 is rotatably arranged on the outer side of the ash deposition chamber 22, a heat insulation door panel 24 is further arranged between the outer door panel 21 and the ash deposition chamber 22, the heat insulation door panel 24 is fixedly connected with the outer door panel 21, the heat insulation door panel 24 is further provided with a sealing structure, after the outer door panel 21 is closed, the heat insulation door panel 24 and the ash deposition chamber 22 form a seal through the sealing structure, the back of the ash deposition chamber 22 is attached to the tube orifice of the heat exchange tube 4, the back of the ash deposition chamber 22 is provided with a plurality of ash removing holes 23, and the positions of the ash removing holes 23.

The heat insulation door plate 24 comprises an inner heat insulation plate 25 and an outer heat insulation plate 26, the inner heat insulation plate 25 is fixedly arranged on the inner side surface of the outer heat insulation plate 26, a heat insulation cavity 27 is formed by enclosing the inner heat insulation plate 25 and the outer heat insulation plate 26, heat insulation materials are filled in the heat insulation cavity 27, the sealing structure comprises an elastic sealing element, the periphery of the outer heat insulation plate 26 crosses the inner heat insulation plate 25 to extend outwards and then turn over, a closed sealing groove 28 is formed in the periphery of the outer heat insulation plate 26, the elastic sealing element is filled in the sealing groove 28, and after the outer door plate 21 is closed, the outer edge of the dust chamber 22 is embedded into the elastic sealing element, so that sealing is formed between the heat insulation door plate 24 and the dust chamber.

The top of combustion chamber 3 is provided with a plurality of heat exchange tubes 4, and the bottom of combustion chamber 3 is provided with the air-blast device, and open at the top of combustion box 1 has air outlet 17, crosses and is provided with a combustion fan 32 in the workbin 6, the air-blast device include centrifugal fan 33, combustion box 1 in still be equipped with a flue fan, the one end and the heat exchange tube 4 intercommunication of flue fan, the other end through discharging fume pipe and external intercommunication, the workbin 6 of crossing in be equipped with a temperature sensor 31, temperature sensor 31's sense terminal stretches into to combustion chamber 3 in for detect 3 temperature variations in combustion chamber.

The working principle of the utility model is as follows,

the particle raw materials in the storage box 2 are conveyed to a connecting pipe 14 from a feeding port 13 through a rotary feeding auger 9, then fall into a material passing box 6 from a hose 5, then enter a combustion chamber 3 through a material guide pipe 7 to be combusted, a combustion fan 32 blows air towards the combustion chamber 3 to support combustion, a centrifugal fan 33 blows air into the combustion chamber 3, flame generated by combustion enters a heat exchange pipe 4, a flue fan brings the flue gas out of the combustion box 1 from the heat exchange pipe 4, and the air on the outer wall of the heat exchange pipe 4 is blown by the centrifugal fan 33 from an air outlet 17 to form hot air after being heated at high temperature by the flame.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a vertical fan heater, includes burning case (1) and storage case (2), its characterized in that, burning case (1) and storage case (2) independent interval set up, be equipped with material feeding unit between burning case (1) and the storage case (2), during this material feeding unit was arranged in sending the combustion chamber (3) in burning case (1) with the pellet fuel in storage case (2), set up between material feeding unit and combustion chamber (3) and prevent the structure that backfire.

2. Vertical fan heater according to claim 1, characterized in that the anti-backfire structure comprises a hose (5), one end of the hose (5) is communicated with the outlet of the feeding device, and the other end is communicated with the combustion chamber (3).

3. The vertical fan heater according to claim 2, wherein the combustion box (1) is provided with a material passing box (6) communicated with the combustion chamber (3), a material guiding pipe (7) is arranged in the material passing box (6), one end of the material guiding pipe (7) is communicated with the feeding device through a hose (5), and the other end of the material guiding pipe is opened towards the combustion chamber (3).

4. The vertical fan heater according to claim 2, wherein the feeding device comprises a feeding pipe (8) and a feeding auger (9), the feeding auger (9) is rotatably arranged in the feeding pipe (8), one end of the feeding pipe (8) is provided with a driving motor (10) for driving the feeding auger (9) to rotate, the other end of the feeding pipe is inserted into the storage box (2), a positioning sleeve (11) is arranged on the storage box (2), the feeding pipe (8) is sleeved in the positioning sleeve (11), a rotating seat (12) is fixedly arranged at the bottom of the storage box (2), and the lower end of the feeding auger (9) is rotatably arranged on the rotating seat (12) after exceeding the feeding pipe (8).

5. Vertical fan heater according to claim 4, wherein the outer wall of the lower end of the feed pipe (8) is provided with a feed opening (13), the outer wall of the upper end of the feed pipe (8) is provided with a connecting pipe (14), and the connecting pipe (14) is communicated with the hose (5).

6. The vertical fan heater according to claim 1, wherein a grate (15) is arranged in the combustion chamber (3), and a driving mechanism is arranged in the material passing box (6) and used for driving the grate (15) to reciprocate relative to the combustion chamber (3).

7. The vertical fan heater according to claim 1, wherein the combustion box (1) is provided with an ash removal door, the ash removal door comprises an outer door panel (21) and an ash deposition chamber (22), the ash deposition chamber (22) is fixedly arranged on a machine body of the fan heater and corresponds to the heat exchange tube (4) in the fan heater, the outer door panel (21) is rotatably arranged on the outer side of the ash deposition chamber (22), a heat insulation door panel (24) is further arranged between the outer door panel (21) and the ash deposition chamber (22), the heat insulation door panel (24) is fixedly connected with the outer door panel (21), the heat insulation door panel (24) is further provided with a sealing structure, and after the outer door panel (21) is closed, the heat insulation door panel (24) and the ash deposition chamber (22) are sealed through the sealing structure.

8. The vertical fan heater according to claim 7, wherein the back of the dust chamber (22) is attached to the opening of the heat exchange tube (4), the back of the dust chamber (22) is provided with a plurality of dust-sweeping holes (23), and the positions of the dust-sweeping holes (23) correspond to the position of the opening of the heat exchange tube (4).

9. The vertical fan heater according to claim 7, wherein the heat insulation door panel (24) comprises an inner heat insulation plate (25) and an outer heat insulation plate (26), the inner heat insulation plate (25) is fixedly arranged on the inner side surface of the outer heat insulation plate (26), a heat insulation cavity (27) is formed by enclosing the inner heat insulation plate (25) and the outer heat insulation plate (26), and the heat insulation cavity (27) is filled with heat insulation materials.

10. The vertical fan heater according to claim 9, wherein the sealing structure comprises an elastic sealing member, the outer periphery of the outer heat insulation board (26) extends outwards beyond the inner heat insulation board (25) and then is folded back, so that the outer periphery of the outer heat insulation board (26) forms a closed sealing groove (28), the elastic sealing member is filled in the sealing groove (28), and after the outer door panel (21) is closed, the outer edge of the dust chamber (22) is embedded in the elastic sealing member, so that the heat insulation door panel (24) and the dust chamber (22) form a seal.