CN201237351Y - Movable oil-burning heater unit - Google Patents
Movable oil-burning heater unit Download PDFInfo
- Publication number
- CN201237351Y CN201237351Y CNU2008200346781U CN200820034678U CN201237351Y CN 201237351 Y CN201237351 Y CN 201237351Y CN U2008200346781 U CNU2008200346781 U CN U2008200346781U CN 200820034678 U CN200820034678 U CN 200820034678U CN 201237351 Y CN201237351 Y CN 201237351Y
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- China
- Prior art keywords
- oil
- combustion chamber
- piston
- bleeding valve
- air bleeding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a mobile oil-fired warm air heater, a combustion cavity is formed in a cylinder body, a gap is formed on a wall body at the right side of the combustion cavity, an air blowing device for delivering oxygen is arranged below the gap, and the mobile oil-fired warm air heater is characterized in that an exhaust valve which intermittently start an oil jet pipeline and an oil return pipeline is arranged between a high pressure oil pump and a high pressure oil pipe, and an oil return pipe which is extended into an oil tank is arranged on the exhaust valve. The exhaust valve is provided with an oil outlet channel and an oil return channel in a body of the exhaust valve, an oil outlet connector and an oil return connector are arranged on the body of the exhaust valve, wherein, a piston and a spring which are connected in a sliding manner are arranged in a piston cavity between the oil outlet pipeline and the oil return pipeline. The mobile oil-fired warm air heater can return oil foams and bubbles which do not achieve the atomization back pressure of an oil atomizer nozzle before the ignition of the combustion cylinder into the oil tank and lead oil pumped out by the oil pump to be completely jetted by the oil atomizer nozzle for atomization, thereby realizing fast ignition, complete fuel oil combustion and no ejection of black smoke or red fire, greatly improving the working conditions and saving fuel oil.
Description
Technical field
The utility model relates to the industrial warm-air drier of a kind of movable type, especially a kind ofly is applicable to that workshop and field work need the portable fuel heater unit of heating.
Background technology
In prior art, fuel heater unit mainly contains compositions such as combustion barrel, atomizer, oil spout seat, whirlwind sheet, high-pressure oil pump, high-pressure oil pipe, fuel sucking pipe, fuel tank, centrifugal fan and motor with cup rotor.The warm-air drier of this kind structure is in 3～5 second of oil pump starting, because what oil pressure did not reach as yet that the required atomizing back pressure of atomizer causes the spray of in former seconds atomizer is not vaporific mist of oil, but oil droplet, or even wire oil column, thereby cause ignition difficulties, through treating the vaporific oil back ignition of atomizer ejection after 3～5 seconds.What spray in former seconds at this moment burns simultaneously without fogging oil, thereby produces a large amount of black smokes and flourishing, and this state just can reach normal combustion conditions after several minutes, so its combustion efficiency is poor, and the waste fuel oil.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby provide a kind of can make combustion barrel igniting before, the oily foam bubble that does not reach atomizer atomizing back pressure is got back in the fuel tank through the air bleeding valve oil return pipe, after the oil pump oil pressure arrives required nozzle atomization back pressure, air bleeding valve is closed spill port automatically, and the oil that oil pump is pumped all atomizes through the atomizer ejection, thereby makes igniting fast, oil inflame thoroughly, no black smoke and flourishing ejection, improve also fuel-efficient portable fuel heater unit of operating mode greatly.
The technical scheme that provides according to the utility model, described portable fuel heater unit, be included in combustion chamber is set in the cylindrical shell, form cavity between cylindrical shell and the combustion chamber, combustion chamber and barrel front end opening, opening part edge at cylindrical shell is provided with preceding guard ring, and preceding guard ring is provided with the front shroud orifice plate that covers the combustion chamber opening, is provided with guard boom at front shroud orifice plate front end; On back cover, be provided with motor, the output shaft of motor and be arranged on cylindrical shell and combustion chamber between axial flow blower in the cavity join, on the wall body of combustion chamber right side, offer breach, be provided with the oil spout seat that is surrounded by heat insulating mattress in the breach, on the oil spout seat, be provided with the atomizer of outlet towards the combustion chamber inner space, on heat insulating mattress, be provided with the igniter that cooperates with the nozzle exit area of atomizer, atomizer is communicated with high-pressure oil pipe, high-pressure oil pipe joins by high-pressure oil pump and the fuel sucking pipe that stretches in the fuel tank, at the right-hand air-blast device that is provided with delivering oxygen of breach, this air-blast device is made of centrifugal blower and the motor with cup rotor that drives this centrifugal blower, feature is to be provided with to be interrupted the air bleeding valve of opening injection tubing and return line between high-pressure oil pump and high-pressure oil pipe, is provided with the oil return pipe that stretches in the fuel tank on air bleeding valve.
Described air bleeding valve adopts offers oil discharge passage and the drainback passage intermittent communicated with oil inlet passage in the air bleeding valve body, on the air bleeding valve body, be provided with delivery connection and back leakage connection, delivery connection is communicated with oil discharge passage, back leakage connection is communicated with drainback passage, back leakage connection is connected on the intrinsic pedestal of air bleeding valve, be provided with the piston that is slidingly connected in the piston cavity between the port of oil discharge passage and drainback passage, spring, piston and pedestal are respectively equipped with the fuel-displaced sealing gasket and the oil return sealing gasket that cover oil discharge passage and drainback passage port with the compression of the spring in this piston cavity on the piston corresponding to the telescopic spring direction.
Be provided with damping block in the described piston.The oil spout seat of the breach perisporium of described combustion chamber is provided with whirlwind sheet.
When the utility model uses, the oily foam bubble that does not reach atomizer atomizing back pressure before combustion barrel is lighted a fire is got back in the fuel tank through the air bleeding valve oil return pipe, after the oil pump oil pressure arrives required nozzle atomization back pressure, air bleeding valve is closed spill port automatically, the oil that oil pump is pumped all atomizes through the atomizer ejection, thereby make igniting fast, oil inflame thoroughly, no black smoke and flourishing ejection, improve operating mode greatly and save fuel oil.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
Fig. 2 is the exhaust structure schematic diagram in the utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
The utility model is mainly by guard boom 1, front shroud orifice plate 2, preceding guard ring 3, cylindrical shell 4, combustion chamber 5, back cover 6, axial flow blower 7, motor 8, atomizer 9, whirlwind sheet 10, heat insulating mattress 11, oil spout seat 12, high-pressure oil pipe 13, air bleeding valve 14, high-pressure oil pump 15, oil return pipe 16, fuel tank 17, fuel sucking pipe 18, automatically controlled plate 19, centrifugal fan 20, motor with cup rotor 21, igniter 22, oil inlet passage 23, oil discharge passage 24, drainback passage 25, delivery connection 26, back leakage connection 27, pedestal 28, piston 29, spring 30, fuel-displaced sealing gasket 31, compositions such as oil return sealing gasket 32 and damping block 33.
As shown in Figure 1: the combustion chamber 5 that the utility model is provided with in cylindrical shell 4, make and form cavity between cylindrical shell 4 and the combustion chamber 5, combustion chamber 5 and cylindrical shell 4 front openings, guard ring 3 before the opening part edge of cylindrical shell 4 is provided with, preceding guard ring 3 is provided with the front shroud orifice plate 2 that covers combustion chamber 5 openings, be provided with guard boom 1 at front shroud orifice plate 2 front ends, the rear end of cylindrical shell 4 is a back cover 6, on back cover 6, be provided with motor 8, the output shaft of motor 8 and be arranged on cylindrical shell 4 and combustion chamber 5 between axial flow blower 7 in the cavity join, on combustion chamber 5 right side wall bodies, offer breach, between the cylindrical shell 4 of indentation, there and combustion chamber 5 wall bodies, be provided with heat insulating mattress 11, in this breach, be provided with the oil spout seat 12 that is surrounded by heat insulating mattress 11, on oil spout seat 12, be provided with the atomizer 9 of outlet towards combustion chamber 5 inner spaces, on heat insulating mattress 11, be provided with the igniter 22 that cooperates with the nozzle exit area of atomizer 9, atomizer 9 is communicated with high-pressure oil pipe 13, high-pressure oil pipe 13 joins by high-pressure oil pump 15 and the fuel sucking pipe 18 that stretches in the fuel tank 17, at the right-hand air-blast device that is provided with the combustion chamber 5 inner space delivering oxygens at past atomizer 9 places of breach, this air-blast device is made of centrifugal fan 20 and the motor with cup rotor 21 that drives this centrifugal fan 20, and motor with cup rotor 21 and centrifugal fan 20 are contained on the cylindrical shell 4.Automatically controlled plate 19 and high-pressure oil pump 15 are fixed on the support of centrifugal fan 20, are provided with to be interrupted the air bleeding valve 14 of opening injection tubing and return line between high-pressure oil pump 15 and high-pressure oil pipe 13.On air bleeding valve 14, be provided with the oil return pipe 16 that stretches in the fuel tank 17.Air bleeding valve 14 is contained in high-pressure oil pump 15 outlets, be connected by high-pressure oil pipe 13 between the delivery connection 26 of air bleeding valve 14 and the oil spout seat 12, the fuel sucking pipe 18 that inserts fuel tank 17 is connected to the suction inlet of high-pressure oil pump 15, and gas and oily foam that air bleeding valve 14 is discharged are got back in the fuel tank 17 by oil return pipe 16.On the oil spout seat 12 of the breach perisporium of combustion chamber 5, be provided with whirlwind sheet 10.
As shown in Figure 2: described air bleeding valve 14 adopts and offer the oil discharge passage 24 and drainback passage 25 intermittent communicated with oil inlet passage 23 in body, on air bleeding valve 14 bodies, be provided with delivery connection 26 and back leakage connection 27, delivery connection 26 is communicated with oil discharge passage 24, back leakage connection 27 is communicated with drainback passage 25, back leakage connection 27 is fastened on the air bleeding valve 14 intrinsic pedestals 28, be provided with the piston 29 and the spring 30 that are slidingly connected in the piston cavity between the port of oil discharge passage 24 and drainback passage 25, piston 29 compresses the spring in this piston cavity 30 with pedestal 28, is respectively equipped with the fuel-displaced sealing gasket 31 and oil return sealing gasket 32 that cover oil discharge passage 24 and drainback passage 25 ports respectively on the piston 29 corresponding to spring 30 flexible directions.In piston 29, be provided with damping block 33.
When atomizer 9 ejection mist of oils, igniter 22 is put fuel spray under the control of automatically controlled part, and centrifugal fan 20 constantly provides air (being oxygen) to make the fuel oil normal combustion and emit a large amount of heat energy simultaneously.
The utility model is owing to set up an air bleeding valve 14 in high-pressure oil pump 15 outlets, its operation principle is: in 3～5 second after high-pressure oil pump 15 startings, when oil pressure does not reach atomizer 9 atomizing back pressures in the oil pump, under air bleeding valve 14 (the seeing accompanying drawing 2) effect of portion's spring 30 within it, push piston 29 to a left side, make the fuel-displaced sealing gasket 31 of piston 29 ends compress oil discharge passage 24 on the body of air bleeding valve 14, thereby intrasystem oil droplet, oily foam, bubble can be got back in the fuel tank 17 through back leakage connection, the oil return pipe 16 of air bleeding valve 14.Rising along with high-pressure oil pump 15 pressure, this oil pressure promotion piston 29 overcomes the elastic force of spring and moves to right, damping block 33 moves to right simultaneously until oil return sealing gasket 32, drainback passage 25 ports of damping block 33 right-hand members are shut, this moment air bleeding valve 14 body on oil discharge passage 24 moving to right and open with piston 29, hydraulic oil nebulizes through delivery connection 26 and high-pressure oil pipe 13 and atomizer 9 and sprays into combustion barrel, through igniter 22 igniting after-combustions.
High-pressure oil pump 15 after connecting power supply, centrifugal fan 20, axial flow blower 7 is worked simultaneously, high-pressure oil pump 15 starting backs are the bubble in the oil circuit in 3～5 seconds, the oil foam, oil droplet is got back in the fuel tank 17 through the oil return pipe 16 of air bleeding valve 14, rising along with the oil pump oil pressure, air bleeding valve 14 is closed the port of drainback passage 25 automatically, open the port of oil discharge passage 24, hydraulic oil is through high-pressure oil pipe 13, oil spout seat 12, atomizer 9 and nebulizing sprays in the combustion barrel (the oil atomizing angle is in 75 ℃～90 ℃ scopes), through 22 fuel sprays of igniter, air (the being oxygen) air behind whirlwind sheet 10 that is provided by centrifugal fan 20 becomes the rotation shape fully to mix after-combustion with mist of oil, heat after the burning under the promotion of the air that centrifugal fan 20 provides, ejection in the hole of front shroud orifice plate 2 and arrive the position that needs heating.In addition, after front shroud orifice plate 2 burnings were red, a large amount of heat energy was radiate by front shroud orifice plate 2, and two strands of heats are synthetic, are the actual caloric value of this warm-air drier.
The air quantity that axial flow blower 7 provides is that the radiant heat of combustion barrel appearance is taken out of, guarantees that the appearance temperature of cylindrical shell is unlikely too high, prevents to scald the user.
Claims (4)
1, a kind of portable fuel heater unit, be included in the combustion chamber (5) that is provided with in the cylindrical shell (4), make and form cavity between cylindrical shell (4) and the combustion chamber (5), combustion chamber (5) and cylindrical shell (4) front opening, be provided with preceding guard ring (3) at the opening part edge of cylindrical shell (4), preceding guard ring (3) is provided with the front shroud orifice plate (2) that covers combustion chamber (5) opening, is provided with guard boom (1) at front shroud orifice plate (2) front end; On back cover (6), be provided with motor (8), the output shaft of motor (8) and be arranged on cylindrical shell (4) and combustion chamber (5) between axial flow blower (7) in the cavity join, on the wall body of combustion chamber (5) right side, offer breach, in breach, be provided with oil spout seat (12), on oil spout seat (12), be provided with atomizer (9), on heat insulating mattress (11), be provided with the igniter (22) that cooperates with the nozzle exit area of atomizer (9), atomizer (9) is communicated with high-pressure oil pipe (13), high-pressure oil pipe (13) joins by high-pressure oil pump (15) and the fuel sucking pipe (18) that stretches in the fuel tank (17), at the right-hand air-blast device that is provided with combustion chamber (5) the inner space delivering oxygen of locating toward atomizer (9) of breach; Air-blast device is made of centrifugal blower (20) and motor with cup rotor (21), it is characterized in that: between high-pressure oil pump (15) and high-pressure oil pipe (13), be provided with and be interrupted the air bleeding valve (14) of opening injection tubing and return line, on air bleeding valve (14), be provided with the oil return pipe (16) that stretches in the fuel tank (17).
2, portable fuel heater unit as claimed in claim 1, it is characterized in that offering in described air bleeding valve (14) body oil discharge passage (24) and drainback passage (25) intermittent communicated with oil inlet passage (23), on air bleeding valve (14) body, be provided with delivery connection (26) and back leakage connection (27), delivery connection (26) is communicated with oil discharge passage (24), back leakage connection (27) is communicated with drainback passage (25), back leakage connection (27) is connected on the intrinsic pedestal of air bleeding valve (14) (28), be provided with the piston (29) that is slidingly connected in the piston cavity between the port of oil discharge passage (24) and drainback passage (25), spring (30), piston (29) compresses the spring (30) in this piston cavity with pedestal (28), is respectively equipped with the fuel-displaced sealing gasket (31) and oil return sealing gasket (32) that cover oil discharge passage (24) and drainback passage (25) port respectively on the piston (29) corresponding to the flexible direction of spring (30).
3, portable fuel heater unit as claimed in claim 2 is characterized in that being provided with in the described piston (29) damping block (33).
4, portable fuel heater unit as claimed in claim 1 is characterized in that described oil spout seat (12) is provided with whirlwind sheet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200346781U CN201237351Y (en) | 2008-04-17 | 2008-04-17 | Movable oil-burning heater unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200346781U CN201237351Y (en) | 2008-04-17 | 2008-04-17 | Movable oil-burning heater unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201237351Y true CN201237351Y (en) | 2009-05-13 |
Family
ID=40650082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200346781U Expired - Fee Related CN201237351Y (en) | 2008-04-17 | 2008-04-17 | Movable oil-burning heater unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201237351Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750523A (en) * | 2020-07-03 | 2020-10-09 | 宁波宝工电器有限公司 | Intelligent agricultural heating equipment with independent oxygen inlet structure |
-
2008
- 2008-04-17 CN CNU2008200346781U patent/CN201237351Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750523A (en) * | 2020-07-03 | 2020-10-09 | 宁波宝工电器有限公司 | Intelligent agricultural heating equipment with independent oxygen inlet structure |
| CN111750523B (en) * | 2020-07-03 | 2021-10-22 | 宁波宝工电器有限公司 | Intelligent agricultural heating equipment with independent oxygen inlet structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20160417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |