CN220911441U - Fuel heater - Google Patents

Abstract

The utility model relates to the technical field of fuel oil heaters, and particularly provides a fuel oil heater which comprises an oil tank, a combustion cylinder, a magnetic suspension piston air pump and an ignition structure, wherein the ignition structure comprises a communicating pipe and a nozzle tip, one end of the combustion cylinder is provided with an air inlet, the communicating pipe is used for being arranged on the combustion cylinder at a position opposite to the air inlet, one end of the communicating pipe, facing the combustion cylinder, is of an open structure, and the nozzle tip is used for being arranged at the open structure; the magnetic suspension piston air pump is arranged, the internal structure of the communicating pipe is matched, so that air supply and oil supply can be realized, and oil gas is matched to realize full combustion, and the structure is simpler, thereby being beneficial to reducing the cost; and oxygen is directly delivered into the gas path channel of the communicating pipe through the air inlet pipe, so that the air leakage problem is difficult to occur due to the small space of the air inlet pipe and the gas path channel, and the oil mist combustion effect is improved to a certain extent.

Description

Fuel heater

Technical Field

The utility model relates to the technical field of fuel oil heaters, in particular to a fuel oil heater.

Background

The working principle of the fuel oil heater, also called as a fuel oil forced convection air heater, is that fuel oil is supplied in an oil pump or air pump mode, fuel oil is sprayed into a combustion cylinder through a fuel nozzle, the fuel oil is atomized by the fuel nozzle to form oil mist, the oil mist is ignited by an ignition device, so that the oil mist is combusted in the combustion cylinder, and finally heat is blown out by a fan, so that heating is realized.

In the prior art, a sliding vane type centrifugal air pump is generally arranged in a heater for supplying air and oxygen, the sliding vane type centrifugal air pump is connected with a motor, one end of an air cavity outlet of the sliding vane type centrifugal air pump is connected with a flame stabilizing disc or a nozzle tip seat, and the nozzle tip is arranged on the flame stabilizing disc or the nozzle tip seat.

However, in the structure, the sliding vane type centrifugal air pump and the motor realize air supply, oil is supplied by utilizing a siphon principle, the power requirement for the motor is high, meanwhile, the fan blades and the air pump are required to be loaded, the power of the motor is required to be increased, and the cost is high; in the use process, oxygen generally reaches the ignition device through the air cavity, the problem of air leakage easily occurs in the inner space of the air cavity, the air pressure can be reduced, the oil mist combustion efficiency is reduced, and combustion abnormality is easily caused.

Disclosure of utility model

The utility model solves the problems that the oil supply and air supply structure of the existing fuel oil heater is complex, so that the cost is high and the combustion abnormality is easy to occur.

In order to solve the problems, the utility model provides the following technical scheme:

The fuel oil heater comprises an oil tank, a combustion cylinder, a magnetic suspension piston air pump and an ignition structure, wherein the ignition structure comprises a communicating pipe and a nozzle tip, one end of the combustion cylinder is provided with an air inlet, the communicating pipe is used for being arranged on the combustion cylinder and right opposite to the air inlet, one end of the communicating pipe facing the combustion cylinder is of an open structure, and the nozzle tip is used for being arranged on the open structure; the middle part of the communicating pipe is provided with an oil path channel, and the communicating pipe is internally provided with an air path channel positioned outside the oil path channel; the communicating pipe is far away from one end of the combustion cylinder is sealed, the oil tank is used for being connected to the communicating pipe through an oil inlet pipe, the oil inlet pipe is communicated with the oil path channel, the magnetic suspension piston air pump is used for being connected to the communicating pipe through an air inlet pipe, and the air inlet pipe is communicated with the air path channel.

Compared with the prior art, the fuel oil heater provided by the utility model has the following beneficial effects:

When the magnetic suspension piston air pump works, oxygen is fed into the air passage channel through the air inlet pipe, and because the oil passage channel is positioned in the middle of the air passage channel, when the communicating pipe is ventilated, the middle of the air passage channel is driven to generate negative pressure, namely the oil passage channel is formed into negative pressure, so that fuel in the oil tank is adsorbed into the oil passage channel through the oil inlet pipe, and when the fuel passes through the communicating pipe and is sprayed out from the air inlet of the combustion cylinder through the nozzle, the air pressure generated by the magnetic suspension piston air pump breaks up the fuel at the nozzle and is sprayed out towards the combustion cylinder, so that atomized fuel forms oil mist, and the fuel can be fully combusted in the combustion cylinder; the magnetic suspension piston air pump is arranged, the internal structure of the communicating pipe is matched, so that air supply and oil supply can be realized, and oil gas is matched to realize full combustion, and the structure is simpler, thereby being beneficial to reducing the cost; and oxygen is directly delivered into the gas path channel of the communicating pipe through the air inlet pipe, so that the air leakage problem is difficult to occur due to the small space of the air inlet pipe and the gas path channel, and the oil mist combustion effect is improved to a certain extent.

Preferably, the ignition structure further comprises an oil pipe, the oil pipe is arranged in the communicating pipe, the oil path channel is formed in the oil pipe, and the outer wall of the oil pipe and the inner wall of the communicating pipe are enclosed to form the gas path channel.

Preferably, the ignition structure further comprises a flame stabilizing disc and an ignition device, the flame stabilizing disc is arranged on the combustion cylinder and right opposite to the air inlet, the communicating pipe is arranged in the middle of the flame stabilizing disc, the ignition device is arranged on the flame stabilizing disc, and an ignition head of the ignition device is close to the oil nozzle.

Preferably, the magnetic suspension piston air pump comprises a shell, a double-channel motor, a magnetic suspension piston movable shaft, an air cavity rubber sheet and an air outlet nozzle, wherein the double-channel motor is arranged in the shell, the magnetic suspension piston movable shaft is used for being arranged in the middle of two electromagnetic coils on the double-channel motor, and the double-channel motor is used for driving the magnetic suspension piston movable shaft to do reciprocating movement; a compressed air cavity, an air inlet cavity and an air outlet cavity are arranged at one end of the movable shaft of the magnetic suspension piston in the shell, and are respectively communicated with two ends of the compressed air cavity, and the air outlet cavity is connected with the air outlet nozzle through a connecting air pipe; the compressed air cavity is provided with a movable opening at one end facing the movable shaft of the magnetic suspension piston, and the air cavity rubber sheet is arranged at the movable opening and is arranged facing the movable shaft of the magnetic suspension piston.

Preferably, the magnetic suspension piston air pump further comprises an air inlet valve plate and an air outlet valve plate, wherein an air inlet hole is communicated between the compressed air cavity and the air inlet cavity, the air inlet valve plate is used for being installed in the air inlet hole, an air outlet hole is communicated between the compressed air cavity and the air outlet cavity, and the air outlet valve plate is used for being installed in the air outlet hole; when the air inlet valve block is opened, the air outlet valve block is closed, and when the air inlet valve block is closed, the air outlet valve block is opened.

Preferably, two compressed air chambers are provided, the two compressed air chambers are respectively arranged at two ends of the movable shaft of the magnetic suspension piston, and correspondingly, the air chamber rubber sheet, the air inlet air chamber, the air outlet air chamber, the connecting air pipe, the air inlet valve plate and the air outlet valve plate are respectively provided with two compressed air chambers; the casing is internally provided with a total air outlet cavity, two connecting air pipes are connected with the total air outlet cavity, and the total air outlet cavity is provided with an air outlet nozzle.

Preferably, the fuel oil heater further comprises a shell, a support frame, a motor, a fan and a mesh enclosure, wherein the shell is used for being sleeved outside the combustion cylinder, and the support frame is used for supporting the shell on the fuel tank;

The motor is used for driving the fan to rotate, the motor and the fan are both arranged in the shell, the fan faces the air inlet of the combustion cylinder, and the net cover is used for being installed at one end, close to the fan, of the combustion cylinder.

Preferably, the fuel oil heater further comprises an indirect combustion chamber structure, the indirect combustion chamber structure comprises a combustion chamber middle cylinder, a combustion chamber outer cylinder, a combustion chamber connecting pipe and a smoke exhaust pipe, the combustion chamber middle cylinder is used for being covered outside the combustion chamber middle cylinder, the combustion chamber outer cylinder is used for being covered outside the combustion chamber middle cylinder, the combustion chamber middle cylinder and the combustion chamber outer cylinder are enclosed to form a sealed exhaust space, the side wall of the combustion chamber is connected with the combustion chamber middle cylinder through the combustion chamber connecting pipe, and the combustion chamber outer cylinder is connected with the smoke exhaust pipe.

Preferably, the indirect combustion chamber structure further comprises a smoke outlet sleeve, a perforation is arranged on the upper end side wall of the shell in a penetrating manner, the smoke exhaust pipe is used for penetrating the perforation, and the smoke outlet sleeve is arranged on the outer wall of the upper end of the shell and covers the outer portion of the smoke exhaust pipe.

Preferably, the upper end of the smoke outlet sleeve is higher than the upper end of the smoke outlet pipe, a plurality of diffusion holes are uniformly formed in the circumferential side wall of the smoke outlet sleeve at intervals, and the heights of the diffusion holes are consistent with the upper end of the smoke outlet pipe.

Preferably, the fuel oil heater further comprises a direct combustion chamber structure, the direct combustion chamber structure comprises a mask fixing disc and a mask, one end of the combustion cylinder, which is far away from the air inlet, is provided with an opening, the mask fixing disc is used for being arranged in the combustion cylinder and is close to the opening, and the middle part of the mask fixing disc is provided with an air outlet; the edge of the face guard has a connection structure, and the face guard is arranged at the exhaust port and is arranged at a distance from the face guard fixing disc through the connection structure.

Preferably, the middle part of the mask is convex, and the concave surface of the mask is arranged towards the exhaust port.

Preferably, the fuel oil heater further comprises an oil inlet filter pipe, and the oil inlet filter pipe is used for being installed in the fuel tank and connected with the oil inlet pipe.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a fuel heater with an indirect combustion chamber structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an overall exploded structure of a fuel heater with an indirect combustion chamber structure according to an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of a portion of FIG. 2A according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of the overall cross-sectional structure of a fuel heater with an indirect combustion chamber structure according to an embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of a portion of FIG. 4B according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of an overall exploded structure of a fuel heater with a direct combustor structure according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a magnetic levitation piston air pump according to an embodiment of the present utility model;

fig. 8 is a schematic diagram of an internal structure of a magnetic suspension piston air pump according to an embodiment of the utility model.

Reference numerals illustrate:

1 oil tank, 10 oil mist, 11 oil inlet pipe, 12 air inlet pipe, 2 combustion cylinder, 20 air inlet, 3 magnetic suspension piston air pump, 30 air inlet valve plate, 300 air outlet valve plate, 3000 air cavity outer input hole, 31 shell, 32 double-channel motor, 33 magnetic suspension piston movable shaft, 34 air cavity rubber sheet, 35 air outlet nozzle, 36 compressed air cavity, 37 air inlet cavity, 370 air inlet hole, 38 air outlet cavity, 380 air outlet hole, 39 connecting air pipe, 390 total air outlet cavity, 4 ignition structure, 41 communicating pipe, 42 oil nozzle, 43 oil circuit channel, 44 air circuit channel, 45 oil pipe, 46 flame stabilizing disc, 47 ignition device, 5 shell, 50 perforation, 51 support frame, 52 motor, 53 fan, 54 net cover, 55 oil inlet filter pipe, 56 moving wheel, 57 pushing hands, 6 indirect combustion chamber structure, 61 combustion chamber middle cylinder, 62 combustion chamber outer cylinder, 63 combustion chamber connecting pipe, 64 exhaust pipe, 65 exhaust space, 66 exhaust port sleeve, 67 diffusion hole, 68 groove, 69 cleaning cover, 690 hole, 7 direct combustion chamber structure, 71 mask fixing disc, 72, 73 exhaust port, 74 connection structure, 75 auxiliary heat insulation cylinder.

Detailed Description

Embodiments of the present application are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the application but are not intended to limit the scope of the application.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the coordinate system XYZ provided herein, the positive direction of the X axis represents the right direction, the negative direction of the X axis represents the left direction, the positive direction of the Y axis represents the front direction, the negative direction of the Y axis represents the rear direction, the positive direction of the Z axis represents the upper direction, and the negative direction of the Z axis represents the lower direction; the Z-axis, X-axis, Y-axis are meant to be illustrative only and to simplify the description of the present utility model and are not indicative or implying that the apparatus or elements being referred to must have, be constructed and operated in a particular orientation and therefore are not to be construed as limiting the present utility model.

Referring to fig. 1-8, the fuel oil heater provided by the utility model comprises an oil tank 1, a combustion cylinder 2, a magnetic suspension piston air pump 3 and an ignition structure 4, wherein the ignition structure 4 comprises a communicating pipe 41 and a nozzle 42, one end of the combustion cylinder 2 is provided with an air inlet 20, the communicating pipe 41 is used for being arranged on the combustion cylinder 2 at a position opposite to the air inlet 20, one end of the communicating pipe 41 facing the combustion cylinder 2 is of an open structure, and the nozzle 42 is used for being arranged at the open structure; an oil path channel 43 is arranged in the middle of the communicating pipe 41, and an air path channel 44 is arranged outside the oil path channel 43 in the communicating pipe 41; the communicating pipe 41 is sealed away from the one end of combustion bowl 2, oil tank 1 is used for being connected through advance oil pipe 11 on communicating pipe 41, just advance oil pipe 11 with oil circuit passageway 43 is linked together, magnetic suspension piston air pump 3 is used for being connected through intake pipe 12 on communicating pipe 41, just intake pipe 12 with gas circuit passageway 44 is linked together.

In this embodiment, when in operation, the magnetic suspension piston air pump 3 is operated to send oxygen into the air path channel 44 through the air inlet pipe 12, and because the oil path channel 43 is located in the middle of the air path channel 44, when the communicating pipe 41 is ventilated, the middle of the air path channel 44 is driven to generate negative pressure, namely, the oil path channel 43 forms negative pressure, so that fuel in the fuel tank 1 is absorbed into the oil path channel 43 through the oil inlet pipe 11, and when the fuel passes through the communicating pipe 41 and is sprayed out from the nozzle 42 at the air inlet 20 of the combustion cylinder 2, the air pressure generated by the magnetic suspension piston air pump 3 breaks up the fuel at the nozzle 42 and is sprayed out towards the combustion cylinder 2, so that atomized fuel forms oil mist 10, so that the fuel can be fully combusted in the combustion cylinder 2; the magnetic suspension piston air pump 3 is arranged, and the internal structure of the communicating pipe 41 is matched, so that air supply and oil supply can be realized, and oil and gas are matched to realize full combustion; and oxygen is directly delivered into the air passage 44 of the communicating pipe 41 through the air inlet pipe 12, so that the air leakage problem is less likely to occur due to the small space between the air inlet pipe 12 and the air passage 44, and the combustion effect of the oil mist 10 is improved to a certain extent.

Referring to fig. 4-5, preferably, the ignition structure 4 further includes an oil pipe 45, the oil pipe 45 is configured to be installed in the communicating pipe 41, the oil path 43 is provided in the oil pipe 45, and the gas path 44 is formed by enclosing an outer wall of the oil pipe 45 and an inner wall of the communicating pipe 41.

In this embodiment, the setting of the oil pipe 45 provides a carrier for the setting of the oil path channel 43 and the air path channel 44, so that the magnetic suspension piston air pump 3 can supply air and oil, so that the fuel oil of the fuel gas is quickly sprayed out through the oil nozzle 42, atomized particles are finer, the fuel oil is combusted more fully, and the combustion efficiency is greatly improved.

Referring to fig. 2-5, preferably, the ignition structure 4 further includes a flame stabilizing plate 46 and an ignition device 47, the flame stabilizing plate 46 is configured to be mounted on the combustion cylinder 2 at a position opposite to the air inlet 20, the communication pipe 41 is configured to be mounted on a middle portion of the flame stabilizing plate 46, the ignition device 47 is configured to be mounted on the flame stabilizing plate 46, and an ignition head of the ignition device 47 is close to the oil nozzle 42.

Specifically, the flame stabilizing plate 46 is provided with an air inlet and oxygen supply window and an air guide plate, the air inlet and oxygen supply window is fixed on the arc-shaped blade surface of the flame stabilizing plate 46, and the air guide plate and the flame stabilizing plate 46 are integrally formed.

In this embodiment, the scattered fuel forms the oil mist 10, and the oil mist 10 is ignited and combusted by the ignition device 47, and meanwhile, the oil mist 10 is more ideally mixed with oxygen supply and combustion by being matched with oxygen provided by the magnetic suspension piston air pump 3, so that the combustion effect is improved; wherein the flame holding disk 46 is provided to ensure that the burning flame does not deflect.

Referring to fig. 8, preferably, the magnetic suspension piston air pump 3 includes a casing 31, a dual-channel motor 32, a magnetic suspension piston movable shaft 33, an air cavity rubber sheet 34, and an air outlet nozzle 35, wherein the dual-channel motor 32 is installed inside the casing 31, the magnetic suspension piston movable shaft 33 is used for being installed at the middle part of two electromagnetic coils on the dual-channel motor 32, and the dual-channel motor 32 is used for driving the magnetic suspension piston movable shaft 33 to reciprocate; a compressed air cavity 36, an air inlet cavity 37 and an air outlet cavity 38 which are respectively communicated with two ends of the compressed air cavity 36 are arranged at one end of the magnetic suspension piston movable shaft 33 in the shell 31, and the air outlet cavity 38 is connected with the air outlet nozzle 35 through a connecting air pipe 39; the compressed air cavity 36 has a movable opening at one end facing the movable shaft 33 of the magnetic suspension piston, and the air cavity rubber sheet 34 is arranged at the movable opening and facing the movable shaft 33 of the magnetic suspension piston.

In this embodiment, when the dual-channel motor 32 is energized, the dual-channel motor 32 generates electromagnetic force to make the magnetic suspension piston moving shaft 33 reciprocate in a horizontal left-right direction, i.e., in an X-axis direction in the drawing, and the magnetic suspension piston moving shaft 33 pushes the air cavity rubber sheet 34 to move or moves away from the air cavity rubber sheet 34 during the movement to relax the air cavity rubber sheet 34, so that the compressed air cavity 36 generates air suction or air exhaust. When the magnetic suspension piston movable shaft 33 pushes the air cavity rubber sheet 34 to move, the air cavity rubber sheet 34 is deformed to compress the space of the compressed air cavity 36, the compressed air cavity 36 outputs compressed air to the air outlet cavity 38, and the air outlet cavity 38 outputs from the air outlet nozzle 35 through the connecting air pipe 39, so as to realize air exhaust; when the movable shaft 33 of the magnetic suspension piston moves away from the air cavity rubber sheet 34 to relax the air cavity rubber sheet 34, the air cavity rubber sheet 34 is reset, the space of the compressed air cavity 36 is restored, and the compressed air cavity 36 is under pressure to suck the air in the air inlet cavity 37 into the compressed air cavity 36, so that air suction is realized, and the air stored in the compressed air cavity is convenient for realizing the next air discharge. During the exhaust, the magnetic suspension piston air pump 3 sends oxygen into the air path channel 44 through the air inlet pipe 12 so as to realize air supply and oil supply.

Referring to fig. 8, preferably, the magnetic suspension piston air pump 3 further includes an air inlet valve plate 30 and an air outlet valve plate 300, an air inlet hole 370 is communicated between the compressed air cavity 36 and the air inlet cavity 37, the air inlet valve plate 30 is configured to be installed in the air inlet hole 370, an air outlet hole 380 is communicated between the compressed air cavity 36 and the air outlet cavity 38, and the air outlet valve plate 300 is configured to be installed in the air outlet hole 380; when the air inlet valve block 30 is opened, the air outlet valve block 300 is closed, and when the air inlet valve block 30 is closed, the air outlet valve block 300 is opened.

Specifically, an air inlet is formed in the casing 31, external air enters the casing 31 through the air inlet, an air cavity external input hole 3000 is further formed in the air inlet cavity 37, and air in the casing 31 enters the air inlet cavity 37 through the air cavity external input hole 3000.

In this embodiment, when the magnetic suspension piston movable shaft 33 moves far away from the air cavity rubber sheet 34 to relax the air cavity rubber sheet 34, so that the air cavity rubber sheet 34 is relaxed, the air cavity rubber sheet 34 is reset, the space of the compressed air cavity 36 is restored, the air inlet valve plate 30 is opened, the compressed air cavity 36 is pressurized to suck the air in the air inlet air cavity 37 into the compressed air cavity 36, so as to realize air suction, the pressure in the compressed air cavity 36 makes the air outlet valve plate 300 closed, and the air in the casing 31 can be forced by the pressure in the compressed air cavity 36 from the air inlet valve plate 30 into the compressed air cavity 36. When the magnetic suspension piston movable shaft 33 pushes the air cavity rubber sheet 34 to move, the air cavity rubber sheet 34 is deformed to compress the space of the compressed air cavity 36, the air inlet valve plate 30 is closed, and the air outlet valve plate 300 is opened, so that compressed air can smoothly enter the air outlet cavity 38 from the compressed air cavity 36 and be output from the air outlet nozzle 35 through the connecting air pipe 39.

Referring to fig. 8, preferably, two compressed air chambers 36 are provided, and two compressed air chambers 36 are respectively provided at two ends of the magnetic suspension piston movable shaft 33, and accordingly, two air chamber rubber sheets 34, two air inlet chambers 37, two air outlet chambers 38, two connecting air pipes 39, two air inlet valve plates 30, and two air outlet valve plates 300 are respectively provided; a total air outlet cavity 390 is arranged in the shell 31, two connecting air pipes 39 are connected with the total air outlet cavity 390, and the total air outlet cavity 390 is provided with the air outlet nozzle 35.

Specifically, the air outlet cavity 38 and the air inlet cavity 37 are respectively provided with an air outlet cavity cover and an air inlet cavity cover, so that the air outlet cavity is fully closed except for the designated air inlet air hole 370, the designated air outlet air hole 380 and the designated air cavity outer input hole 3000.

In this embodiment, when the dual-channel motor 32 is energized, the dual-channel motor 32 generates electromagnetic force to make the magnetic suspension piston moving shaft 33 reciprocate in a horizontal left-right direction, i.e., in an X-axis direction in the drawing, and the magnetic suspension piston moving shaft 33 pushes the air cavity rubber sheet 34 to move or moves away from the air cavity rubber sheet 34 during the movement to relax the air cavity rubber sheet 34, so that the compressed air cavity 36 generates air suction or air exhaust. When the movable shaft 33 of the magnetic suspension piston moves horizontally to the left, the left compressed air cavity 36 outputs compressed air to the left air outlet cavity 38, the right compressed air cavity 36 sucks air from the right air inlet cavity 37, whereas when the movable shaft 33 of the magnetic suspension piston moves horizontally to the right, the right compressed air cavity 36 outputs compressed air to the right air outlet cavity 38, the left compressed air cavity 36 sucks air from the left air inlet cavity 37, so that the operation is repeated, and after the air output by the left air outlet cavity 38 and the right air outlet cavity 38 are converged into the total air outlet cavity 390 through the two connecting air pipes 39, the air output from the air outlet nozzle 35 is kept at a stable air pressure and a stable air flow, so that the flame combustion is ensured to be full.

Referring to fig. 1-3, preferably, the fuel heater further includes a housing 5, a support frame 51, a motor 52, a fan 53, and a mesh enclosure 54, where the housing 5 is used to be sleeved outside the combustion cylinder 2, and the support frame 51 is used to support the housing 5 on the fuel tank 1; the motor 52 is used for driving the fan 53 to rotate, the motor 52 and the fan 53 are both arranged in the housing 5, the fan 53 is arranged towards the air inlet 20 of the combustion cylinder 2, and the mesh cover 54 is used for being mounted at one end of the combustion cylinder 2, which is close to the fan 53.

Specifically, moving wheels 56 are also installed on two sides of the oil tank 1, and a pushing handle 57 is also arranged at one end of the oil tank 1; by the arrangement of the push handle 57 and the moving wheel 56, the whole fuel heater can be moved according to actual requirements.

In this embodiment, the housing 5 provides a mounting carrier for the various parts of the fuel heater, and is fixed to the fuel tank 1 by the support bracket 51 so as to move with the fuel tank 1; the motor 52 and the fan 53 are arranged to blow out the heat emitted by the fuel combustion from the combustion cylinder 2, so as to achieve the heating effect; the mesh enclosure 54 is beneficial to facilitating heat dissipation of the internal structure of the device and also beneficial to preventing foreign matters from entering the device.

Referring to fig. 4, preferably, the fuel oil heater further includes an indirect combustion chamber structure 6, the indirect combustion chamber structure 6 includes a combustion chamber middle cylinder 61, a combustion chamber outer cylinder 62, a combustion chamber connecting pipe 63 and a smoke exhaust pipe 64, the combustion chamber middle cylinder 61 is used for being covered outside the combustion chamber middle cylinder 2, the combustion chamber outer cylinder 62 is used for being covered outside the combustion chamber middle cylinder 61, the combustion chamber middle cylinder 61 and the combustion chamber outer cylinder 62 enclose a sealed exhaust space 65, a side wall of the combustion chamber middle cylinder 2 is connected with the combustion chamber middle cylinder 61 through the combustion chamber connecting pipe 63, and the smoke exhaust pipe 64 is connected on the combustion chamber outer cylinder 62.

Specifically, both ends of the combustion chamber middle cylinder 61 and the combustion chamber outer cylinder 62 are connected with sealing rings, the combustion chamber middle cylinder 61, the combustion chamber outer cylinder 62 and the sealing rings enclose to form a sealed exhaust space 65, the combustion chamber connecting pipe 63 is used for being arranged at one end of the combustion chamber 2 far away from the air inlet 20, the combustion chamber middle cylinder 61 is fixed at the outside of the combustion chamber 2 through the combustion chamber connecting pipe 63, the combustion chamber middle cylinder 2 is connected with the exhaust space 65, and the exhaust pipe 64 is used for being arranged at one end of the combustion chamber outer cylinder 62 far away from the combustion chamber connecting pipe 63.

In this embodiment, the combustion chamber inner tube 61 and the combustion chamber outer tube 62 are configured to prevent the combustion chamber inner tube 61 and the combustion chamber outer tube 62 from being directly exposed to the outside to cause a burn, the combustion chamber connecting tube 63 is configured to fix the combustion chamber inner tube 61 to the outside of the combustion chamber 2, and after heating is generated in the combustion chamber 2, the heating air enters the exhaust space 65 from the combustion chamber connecting tube 63, passes through the exhaust space 65, enters the exhaust pipe 64, and is exhausted from the exhaust pipe 64; the position of the combustion chamber connecting pipe 63 and the smoke exhaust pipe 64 is favorable for increasing the stay time of the heating air in the exhaust space 65, so that the cooling effect is achieved, the heating air is favorably cooled to a proper temperature and then exhausted, and the problem that the temperature at the smoke exhaust pipe 64 is higher to cause scalding is avoided.

Specifically, a groove 68 is formed in the outer combustion chamber cylinder 62, a cleaning hole 690 is formed in the combustion chamber cylinder 61 opposite to the groove 68, and the cleaning hole 690 is covered by the cleaning cover 69.

In this embodiment, the cleaning holes 690 are provided to facilitate cleaning of the exhaust space 65.

Referring to fig. 4, preferably, the indirect combustion chamber structure 6 further includes a smoke outlet sleeve 66, the upper end sidewall of the housing 5 is provided with a through hole 50 therethrough, the smoke outlet pipe 64 is used to penetrate through the through hole 50, and the smoke outlet sleeve 66 is disposed on the upper end outer wall of the housing 5 and covers the outside of the smoke outlet pipe 64.

Specifically, the inner wall of the smoke outlet sleeve 66 is spaced from the outer wall of the smoke outlet pipe 64 by a distance ranging from 1cm to 3cm.

In this embodiment, the smoke outlet sleeve 66 is disposed outside the smoke outlet pipe 64, which is beneficial to further preventing the problem of scald at the smoke outlet pipe 64 caused by higher temperature.

Referring to fig. 4, preferably, the upper end of the smoke outlet sleeve 66 is higher than the upper end of the smoke outlet pipe 64, a plurality of diffusion holes 67 are uniformly spaced on the circumferential side wall of the smoke outlet sleeve 66, and the height of the diffusion holes 67 is consistent with the upper end of the smoke outlet pipe 64.

In this embodiment, the height of the exhaust casing 66 and the diffusion holes 67 are beneficial to making the diffusion of the heating air smoother and uniformly to the surrounding.

Referring to fig. 6, preferably, the fuel oil heater further includes a direct combustion chamber structure 7, the direct combustion chamber structure 7 includes a mask fixing plate 71 and a mask 72, an end of the combustion cylinder 2 away from the air inlet 20 is open, the mask fixing plate 71 is configured to be disposed in the combustion cylinder 2 near the opening, and an air outlet 73 is in the middle of the mask fixing plate 71; the edge of the mask 72 is provided with a connecting structure 74, and the mask 72 is arranged at the air outlet 73 and at a distance from the mask fixing disc 71 through the connecting structure 74.

Specifically, the mask fixing plate 71 is in a circular ring structure, the mask fixing plate 71 is configured to be disposed in the combustion cylinder 2 near the opening, and an inner ring of the mask fixing plate 71 is the air vent 73.

In this embodiment, the heating air generated in the combustion cylinder 2 is emitted from between the mask 72 and the connection structure 74, which is advantageous for making the heating air uniformly emitted from the circumferential direction of the combustion cylinder 2 on one hand, and for providing a buffer for the heating air by the mask 72 on the other hand, so as to avoid the problem of scald caused by directly discharging the heating air from the exhaust port 73.

Referring to fig. 6, the middle portion of the mask 72 is preferably convex, and the concave surface of the mask 72 is disposed toward the exhaust port 73.

In particular, the mask 72 may be a hollow conical structure or a spherical structure. A plurality of the connection structures 74 are connected between the mask 72 and the combustion bowl 2 such that a plurality of exhaust ports are formed between the mask 72 and the combustion bowl 2 to exhaust heating gas. The outside cover of combustion bowl 2 is equipped with supplementary thermal-insulated section of thick bamboo 75, supplementary thermal-insulated section of thick bamboo 75 is located the inside of shell 5 is used for preventing the shell 5 high temperature causes the scald.

In this embodiment, the mask 72 is configured to provide thermal radiation.

Referring to fig. 4, preferably, the fuel heater further includes an oil inlet filter pipe 55, and the oil inlet filter pipe 55 is configured to be installed in the fuel tank 1 and connected to the oil inlet pipe 11.

In this embodiment, the oil inlet filter tube 55 is disposed to ensure that the fuel does not have impurities when entering the communication valve, thereby improving the combustion effect.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The fuel oil heater is characterized by comprising an oil tank (1), a combustion cylinder (2), a magnetic suspension piston air pump (3) and an ignition structure (4), wherein the ignition structure (4) comprises a communicating pipe (41) and a nozzle tip (42), one end of the combustion cylinder (2) is provided with an air inlet (20), the communicating pipe (41) is used for being arranged on the combustion cylinder (2) at a position opposite to the air inlet (20), one end of the communicating pipe (41) facing the combustion cylinder (2) is of an open structure, and the nozzle tip (42) is used for being arranged at the open structure; an oil path channel (43) is arranged in the middle of the communicating pipe (41), and an air path channel (44) is arranged outside the oil path channel (43) in the communicating pipe (41); the utility model discloses a combustion cylinder, including combustion cylinder (2), oil tank (1), communicating pipe (41), oil tank (1), oil pipe (11) are used for keeping away from the one end of combustion cylinder (2) is sealed, oil tank (1) be used for through advance oil pipe (11) connect in on communicating pipe (41), just advance oil pipe (11) with oil circuit passageway (43) are linked together, magnetic suspension piston air pump (3) are used for through intake pipe (12) connect in on communicating pipe (41), just intake pipe (12) with gas circuit passageway (44) are linked together.

2. The fuel oil heater according to claim 1, wherein the ignition structure (4) further comprises a fuel pipe (45), the fuel pipe (45) is configured to be installed in the communicating pipe (41), the fuel pipe (45) has the oil path channel (43) inside, and an outer wall of the fuel pipe (45) and an inner wall of the communicating pipe (41) enclose to form the gas path channel (44).

3. The fuel oil heater according to claim 1, wherein the ignition structure (4) further comprises a flame stabilizing plate (46) and an ignition device (47), the flame stabilizing plate (46) is arranged on the combustion cylinder (2) at a position opposite to the air inlet (20), the communicating pipe (41) is arranged on the middle part of the flame stabilizing plate (46), the ignition device (47) is arranged on the flame stabilizing plate (46), and an ignition head of the ignition device (47) is close to the oil nozzle (42).

4. The fuel oil heater according to claim 1, wherein the magnetic suspension piston air pump (3) comprises a casing (31), a double-channel motor (32), a magnetic suspension piston movable shaft (33), an air cavity rubber sheet (34) and an air outlet nozzle (35), the double-channel motor (32) is installed inside the casing (31), the magnetic suspension piston movable shaft (33) is used for being installed in the middle of two electromagnetic coils of the double-channel motor (32), and the double-channel motor (32) is used for driving the magnetic suspension piston movable shaft (33) to reciprocate;

A compressed air cavity (36) and an air inlet cavity (37) and an air outlet cavity (38) which are respectively communicated with two ends of the compressed air cavity (36) are arranged at one end of the magnetic suspension piston movable shaft (33) in the shell (31), and the air outlet cavity (38) is connected with the air outlet nozzle (35) through a connecting air pipe (39); the compressed air cavity (36) is provided with a movable opening towards one end of the magnetic suspension piston movable shaft (33), and the air cavity rubber sheet (34) is arranged at the movable opening and is arranged towards the magnetic suspension piston movable shaft (33).

5. The fuel oil heater according to claim 4, wherein the magnetic suspension piston air pump (3) further comprises an air inlet valve plate (30) and an air outlet valve plate (300), an air inlet hole (370) is communicated between the compressed air cavity (36) and the air inlet cavity (37), the air inlet valve plate (30) is used for being installed in the air inlet hole (370), an air outlet hole (380) is communicated between the compressed air cavity (36) and the air outlet cavity (38), and the air outlet valve plate (300) is used for being installed in the air outlet hole (380); when the air inlet valve block (30) is opened, the air outlet valve block (300) is closed, and when the air inlet valve block (30) is closed, the air outlet valve block (300) is opened.

6. The fuel oil heater according to claim 5, wherein two compressed air chambers (36) are provided, the two compressed air chambers (36) being provided at both ends of the magnetic levitation piston movable shaft (33), respectively, and accordingly, the air chamber rubber sheet (34), the air inlet chamber (37), the air outlet chamber (38), the connecting air pipe (39), the air inlet valve plate (30) and the air outlet valve plate (300) are provided with two respectively;

The machine shell (31) is externally provided with a total air outlet cavity (390), two connecting air pipes (39) are connected with the total air outlet cavity (390), and the total air outlet cavity (390) is provided with an air outlet nozzle (35).

7. The fuel oil heater according to claim 1, further comprising a housing (5), a support frame (51), a motor (52), a fan (53) and a mesh enclosure (54), wherein the housing (5) is used for being sleeved outside the combustion cylinder (2), and the support frame (51) is used for supporting the housing (5) on the fuel tank (1);

The motor (52) is used for driving the fan (53) to rotate, the motor (52) and the fan (53) are both arranged in the shell (5), the fan (53) faces the air inlet (20) of the combustion cylinder (2), and the mesh enclosure (54) is used for being installed at one end, close to the fan (53), of the combustion cylinder (2).

8. The fuel oil heater according to claim 7, further comprising an indirect combustion chamber structure (6), wherein the indirect combustion chamber structure (6) comprises a combustion chamber middle cylinder (61), a combustion chamber outer cylinder (62), a combustion chamber connecting pipe (63) and a smoke exhaust pipe (64), the combustion chamber middle cylinder (61) is used for being covered outside the combustion chamber middle cylinder (2), the combustion chamber outer cylinder (62) is used for being covered outside the combustion chamber middle cylinder (61), the combustion chamber middle cylinder (61) and the combustion chamber outer cylinder (62) are enclosed to form a sealed heat dissipation and exhaust space (65), the side wall of the combustion chamber middle cylinder (2) is connected with the combustion chamber middle cylinder (61) through the combustion chamber connecting pipe (63), and the smoke exhaust pipe (64) is connected to the combustion chamber outer cylinder (62).

9. The fuel oil heater according to claim 8, wherein the indirect combustion chamber structure (6) further comprises a smoke outlet sleeve (66), a through hole (50) is formed in the upper end side wall of the housing (5) in a penetrating manner, the smoke outlet pipe (64) is used for penetrating the through hole (50), and the smoke outlet sleeve (66) is arranged on the outer wall of the upper end of the housing (5) and covers the outer part of the smoke outlet pipe (64);

The upper end height of the smoke outlet sleeve (66) is higher than that of the smoke outlet pipe (64), a plurality of diffusion holes (67) are uniformly formed in the circumferential side wall of the smoke outlet sleeve (66) at intervals, and the height of the diffusion holes (67) is consistent with that of the upper end of the smoke outlet pipe (64).

10. The fuel oil heater according to claim 1, further comprising a direct combustion chamber structure (7), wherein the direct combustion chamber structure (7) comprises a mask fixing plate (71) and a mask (72), one end of the combustion cylinder (2) far away from the air inlet (20) is open, the mask fixing plate (71) is used for being arranged in the combustion cylinder (2) near the opening, and the middle part of the mask fixing plate (71) is an air outlet (73); the edge of the mask (72) is provided with a connecting structure (74), and the mask (72) is arranged at the air outlet (73) through the connecting structure (74) and is arranged at a distance from the mask fixing disc (71);

the middle part of the face mask (72) is in a convex shape, and the concave surface of the face mask (72) is arranged towards the exhaust port (73).