CN201396931Y - Portable fuel oil warm air blower - Google Patents

Abstract

The utility model discloses a portable fuel oil warm air blower. An oil tank is fixed at the bottom of a frame. A combustion fan is fixed in the middle of the oil tank. A controller is installed on the frame. A flow control valve is installed at the lateral surface of the frame. A cylinder is fixed closely adjacent to the flow control valve. A combustion chamber and a heat exchanger are sequentially arranged in the cylinder along axial direction. The combustion chamber and the heat exchanger are connected with a combustion system. The combustion system is connected with the normally open electromagnetic valve of an oil supply system through an oil pipe, and then is connected with an oil pump through an oil pipe. One end of a motor is connected with the oil pump, and the other end is connected with a heat exchange fan. The motor is fixed in the cylinder. The controller is connected with an ignition transformer. A flue pipe is respectively inserted in the outlets of the combustion chamber and the heat exchanger.

Description

Portable fuel heater unit

Technical field

The utility model belongs to hot air heating equipment, and is particularly a kind of open-air with packaged type fuel oil warmer.

Background technology

Departments such as petroleum collection, mineral exploration, road construction are in the winter time during the field work rest, all need heating during army field encampment in winter.Because these residences are generally provisional tent, heat-proof quality is relatively poor, and the heating thermic load is also bigger.General usable floor area is at 20～30 square metres cotton-padded tent, and the thermic load that needs is approximately about 10kW, and the heating load of the common coal stove of separate unit is difficult to meet the demands, at least need more than two, working service is inconvenience very, and stove and accessory is flame-out easily at night, even the possibility of gas poisoning is arranged; Adopt electric heating, generator powered will be leaned in the field, though heating space clean hygiene, the utilization rate of complex energy only is about 25%, and energy conversion efficiency is very low, and use cost is very high, and is extremely uneconomical.

Summary of the invention

The purpose of this utility model is to provide a kind of portable fuel heater unit, and the portable hot air heating equipment that the field can be used can be under the lower situation of power consumption, the winter protection heating problem during by burning diesel oil solution field encampment in winter.Use when adapting under the uninhabited adverse circumstances such as desert Gobi desert winter construction, thermal efficiency height, easy to use, dependable performance.

The technical solution of the utility model is achieved in that

The utility model comprises framework, at the base of frame fixed oil tank, the fuel tank middle part is fixed with combustion fan, controller is housed on the framework, flow control valve is equipped with in the side, next-door neighbour top is fixed with cylindrical shell, axially be distributed with combustion chamber and heat exchanger successively along inner barrel, combustion chamber and heat exchanger link to each other with combustion system, combustion system links to each other with the normally open solenoid valve of oil supply system by oil pipe, is connected with oil pump by oil pipe again, and motor one end is connected with oil pump, the other end is connected with the heat exchange fan, motor is fixed in inner barrel, and controller is connected with ignition transformer, and chimney is plugged on the outlet of combustion chamber and heat exchanger.

The flame tube of described combustion system links to each other with the ring flange at rear portion, in the internal fixation of flame tube air register is arranged; Oil nozzle links to each other with the center oil pipe, and ignitor is fixed on the oil pipe of center; The sensitization electric eye is fixed on the ring flange.

Described oil supply system comprises fuel tank, filter, and piping filter, flow control valve, oil pump, normally open solenoid valve, atomizer, these parts connect successively by oil pipe successively.

The utility model adopts the burner element reasonable combination, helps the warm-air drier volume-diminished, alleviates quality.This system comprises two cover blower fans, and a cover provides oxygen for the outer rotor centrifugal blower when being used to burn; Another set of blower fan has two kinds of functions, and a kind of function provides the heat exchange required air, participates in the heat exchange of heat exchanger, another kind of function is to drive the oil pump running, and high pressure fuel required when burning is provided, and blower fan is an axial flow blower, oil pump, motor, fan blade are in one line, coaxial arrangement.Combustion-gas flow and heat exchange air-flow do not mix each other at different passages, have effectively avoided the air after the heating to contain the situation of flue gas, the air clean hygiene after the heating.Increased normally open solenoid valve one at oil piping system, the problem of over-emitting black exhaust has prolonged the heat exchanger cleaning cycle when efficiently solving the warm-air drier shutdown, and energy-conserving and environment-protective.

Over-emitting black exhaust not when normally open solenoid valve can guarantee equipment downtime, the environmental-protecting performance excellence; The nesting type structure of combustion chamber and heat exchanger has dwindled the volume and the quality of equipment; Room thermostat can guarantee that equipment moves automatically, makes the heating space temperature constant; The employing of combustion fan makes heat exchange air-flow and combustion-gas flow independently of one another, has guaranteed that the hot-air of heating does not contain flue dust, environmentally-friendly sanitary; Piping filter can effectively avoid in the fuel oil impurity to the obstruction of oil nozzle; Air preheater can start operation by assurance equipment automatically under-41 ℃ of environment.

Description of drawings

Fig. 1 is the utility model perspective view.

Fig. 2 is the utility model oil supply system schematic diagram.

Fig. 3 is the utility model combustion system schematic diagram.

Fig. 4 is the utility model control system schematic diagram.

Below in conjunction with accompanying drawing the utility model is further described in detail.

The specific embodiment

With reference to shown in Figure 1, the utility model comprises framework 1, and fixed oil tank 2 on framework 1, and fuel tank 2 middle parts are fixed with combustion fan 4, controller 6 is equipped with on top, and flow control valve 7 is equipped with in the side, and next-door neighbour top is fixed with cylindrical shell 16.Axially be distributed with combustion chamber and heat exchanger 3 successively along inner barrel, link to each other with combustion system 5 by screw, combustion system 5 links to each other with normally open solenoid valve 13 by oil pipe, is connected with oil pump 12 by oil pipe again.Motor 11 1 ends are connected with oil pump, and the other end is connected with heat exchange fan 10, and motor is fixed in inner barrel by bearing, is fixed with ignition transformer below bearing.At the equipment top access cover 14 is housed, is connected with cylindrical shell 16 by screw, chimney 15 is plugged on the outlet of combustion chamber and heat exchanger 3, can remove when not using.Wherein, combustion chamber and heat exchanger 3 are nested structure, and the combustion chamber is interior, heat exchanger outside, between connect by two short tubes, constitute one.Can pick wind flexible pipe 17 in the equipment front portion, the hot-air after the heating can be delivered to the heating space by flexible pipe; The equipment rear portion can take back wind flexible pipe 9, mainly is the air circulation of heating space is used, and is beneficial to energy-conservation.

With reference to shown in Figure 2, oil supply system mainly comprises fuel tank 2, filter 18, and piping filter 19, flow control valve 7, oil pump 12, normally open solenoid valve 13, atomizer 20, these parts all connect by oil pipe.Fuel tank 2 is fixed in framework 2 in the warm-air drier bottom, and institute's oil bunkering can satisfy 10 hours use, and need not refuel night; Filter 18 is fixed on the fuel tank 2, mainly is that thick the effect filtered, and purpose is to remove the large granular impurity that brings from fuel tank, simultaneously can be with the moisture sedimentation in the fuel oil; Piping filter 19 is fixed on the fuel tank 2, is ultrafiltration, and main effect is with the granule contaminant filter more than 200 orders, avoids oil nozzle to stop up; Flow control valve 7 is fixed on the fuel tank 2, and its effect is that the air in the oil pump oil return is discharged, and avoids air to enter by the play oil pipe and enters oil pump, and then make oil nozzle place pressure irregular variation occur, the influence burning; Oil pump 12 is fixed on motor 11, mainly plays the effect to the fuel oil pressurization; Oil nozzle 20 positions are seen Fig. 3 for details, and its effect is to the high pressure fuel atomizing, and then smooth combustion; Normally open solenoid valve 13 is connected on the oil pump 12 by high-pressure oil pipe; its effect is when warm-air drier is shut down, and the hydraulic oil between atomizer 20 and the oil pump 12 is rushed down pressure, and makes it to get back to oil pump 12; setting up of it can effectively avoid fuel oil slowly to flow into the combustion chamber, the phenomenon of over-emitting black exhaust when occurring shutting down.

With reference to shown in Figure 3, the outside of combustion system is a flame tube 22, in the internal fixation of flame tube 22 air register 21 is arranged; Oil nozzle 20 links to each other with center oil pipe 24, is fixed on the ring flange; Ignitor 23 is fixed on the center oil pipe 24; Sensitization electric eye 25 is fixed on the ring flange.Flame tube 22 and air register 21 are mainly organized air-flow, and torch is stablized in formation; Oil nozzle 20 is used for atomized fuel; Ignitor 23 provides high-voltage spark, is used for the fuel oil of atomizing is lighted when device start, stops igniting after lighting successfully automatically; Sensitization electric eye 25 is used to survey the intensity of flame, and whether fuel oil is lighted in perception, in case light feedback signal then, ignitor outage stopping igniting.

With reference to shown in Figure 4, this is the control system composition diagram.Control system mainly is made up of leader cable 26, room thermostat cable 27, room thermostat 28, controller 6, preheater 29, ignition transformer 8, normally open solenoid valve 13, fuel feeding magnetic valve 30, heat exchange motor 11, combustion fan 4, light eye 25 and temperature switch 31 etc., connects by circuit.Leader cable 26 1 termination external electric supply sockets, an end can connect controller 6, is used to provide equipment dynamic; Room thermostat 28 places in the heating space, and an end can link to each other with controller 6 by temperature controller cable 27, is used for setting the heating temperature, and control appliance moves automatically; Controller 6 is brains of equipment, is fixed on the top of fuel tank 2, the operation of control entire equipment, and can set the protection parameter, carry out fault inquiry etc.; Preheater 29 is fixed on the outlet of combustion fan 4, when low temperature, can solve the difficult problem that starts of low temperature to the preheating of combustion air body; Ignition transformer 8 is fixed on the bottom of motor 11 bearings, is used for the boost in voltage to 220V, and the high-tension ignition energy is provided; Fuel feeding magnetic valve 30 is fixed on the oil pump 12, is used to control the supply of the fuel oil of oil pump to oil nozzle, plays on-off action; Motor 11 drives oil pump and heat exchange fan blade 10 turns round simultaneously, and oil pressure and heat exchange air quantity are provided; Temperature switch 31 is fixed in the front end of combustion chamber and heat exchanger 3, is used to monitor the chamber wall surface temperature, can cut off the electricity supply when overheated, and protection equipment is not burnt out.

The warm-air drier course of work: connect power supply, push-button controller " RUN " key, the entry into service of heat exchange blower fan, when environment temperature was lower than set cold-starting temperature, preheater was started working, after about one minute, combustion fan running, combustion system ignition simultaneously; When environment temperature was higher than set cold-starting temperature, the equipment preheater was not worked, combustion fan running, combustion system ignition simultaneously.Oil supply system is pressurizeed diesel oil by oil pump, and by the oil nozzle atomizing of combustion system, by high-tension ignition electrode ignition combustion, combustion gas divides conduit to enter heat exchanger in the combustion chamber afterburnt by flame again, discharges from chimney after the heat exchange cooling; Cold air (air-flow of coming from backwind tube) is delivered to the heat exchanger outside by the heat exchange blower fan, sends from the warm-air drier ajutage by the heat exchange back of heating up.

Claims (4)

1, portable fuel heater unit, comprise framework (1), it is characterized in that, at framework (1) bottom fixed oil tank (2), fuel tank (2) middle part is fixed with combustion fan (4), controller (6) is housed on the framework (1), flow control valve (7) is equipped with in the side, next-door neighbour top is fixed with cylindrical shell (16), axially is distributed with combustion chamber and heat exchanger (3) successively along inner barrel, and combustion chamber and heat exchanger (3) link to each other with combustion system (5), combustion system (5) links to each other with the normally open solenoid valve (13) of oil supply system by oil pipe, be connected with oil pump (12) by oil pipe, motor (11) one ends are connected with oil pump (12) again, and the other end is connected with heat exchange fan (10).

2, portable fuel heater unit according to claim 1 is characterized in that, motor (11) is fixed in inner barrel, and controller (6) is connected with ignition transformer (8), and chimney (15) is plugged on the outlet of combustion chamber and heat exchanger (3).

3, portable fuel heater unit according to claim 1 is characterized in that, the flame tube (22) of described combustion system (5) links to each other with the ring flange at rear portion, in the internal fixation of flame tube (22) air register (21) is arranged; Oil nozzle (20) links to each other with center oil pipe (24), and ignitor (23) is fixed on the center oil pipe (24); Sensitization electric eye (25) is fixed on the ring flange.

4, portable fuel heater unit according to claim 1, it is characterized in that, described oil supply system comprises fuel tank (2), filter (18), piping filter (19), flow control valve (7), oil pump (12), normally open solenoid valve (13), atomizer (20), these parts connect successively by oil pipe successively.

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