CN2319698Y

CN2319698Y - Centrifugal pneumatic-pressure atomizing burner

Info

Publication number: CN2319698Y
Application number: CN 97241045
Authority: CN
Inventors: 杜载华
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-07-11
Filing date: 1997-07-11
Publication date: 1999-05-19
Anticipated expiration: 2007-07-11

Abstract

The utility model relates to a centrifugal pneumatic-pressure atomizing burner, comprising an oil pipe, a gas pipe, a connecting pipe, a locking cap, a distributary sheet, a mechanical atomizing sheet, am atomizer, and a spray head. The atomizer is provided with two groups of pneumatic atomizing grooves. The spray head is provided with a divergent conical angle, and one group of pneumatic atomizing grooves which are adjacent to the spray head are vertically communicated with the divergent conical angle, and have eccentricity distance with an axial line. The centrifugal pneumatic-pressure atomizing burner has good atomizing quality and wide operating parameter range. The load adjusting ratio of the centrifugal pneumatic-pressure atomizing burner is greater than 1: 10. The flame divergent angle of the centrifugal pneumatic-pressure atomizing burner is from 20 DGE to 120 DGE. The flame length of the centrifugal pneumatic-pressure atomizing burner can be optionally designed from 0.5 M to 10 M. When the centrifugal pneumatic-pressure atomizing burner works, the center of the front end of the spray head is provided with a strong negative pressure return flow zone. Except that centrifugal pneumatic-pressure atomizing burner can make flame stably burned, the centrifugal pneumatic-pressure atomizing burner can also realize suspension burning.

Description

Centrifugal pneumatic--the pressure atomization burner

The utility model relates to a kind of burner, and is a kind of specifically centrifugal pneumatic--the pressure atomization burner.

Exterior mixing is pneumatic--and mechanical atomizer burner generally is made up of oil pipe 1, steam pipe 2, tube connector 3, locking cap 4, splitter 5, mechanical atomization sheet 6 and atomizer 7, steam pipe 2 adopts welding with tube connector 3, tube connector 3 adopts with locking cap 4 and is threaded, oil pipe 1, splitter 5, mechanical atomization sheet 6 and atomizer 7 all adopt the radial location socket, and end face compresses sealing by locking cap.During work, the combustion oil that certain pressure the arranged eddy flow groove rotation back ejection atomizing that 5 shuntings enter mechanical atomization sheet 6 through splitter, atomizing once more through the pressure steam flow of pneumatic nebulizer 7 at ejiction opening produces vapour, oil mixture ejection and burning.At present this class formation just adopts pneumatic nebulization when underload, and only by mechanical atomization, because adopt pneumatic nebulization to make flame become elongated easily during normal higher load, so flame characteristics and atomization quality are restricted during normal higher load.

The purpose of this utility model is said burner is improved, and provides a kind of atomization quality well also can be applicable to the centrifugal pneumatic of multiple combustion flame characteristic--pressure atomization burner.

The purpose of this utility model realizes in the following manner: pneumatic at exterior mixing--increase pneumatic nebulization groove and a shower nozzle before the mechanical atomizer burner, its technical scheme of taking is: a kind of centrifugal pneumatic--the pressure atomization burner, comprise oil pipe 1, steam pipe 2, tube connector 3, locking cap 4, splitter 5, mechanical atomization sheet 6 and atomizer 7, steam pipe 2, tube connector 3 is connected successively with locking cap 4, oil pipe 1, splitter 5, mechanical atomization sheet 6 and atomizer 7 radial location sockets, end face compresses sealing with locking cap 4, atomizer 7 has two groups of

pneumatic nebulization grooves

13 and 14, secondary-atomizing groove 14 is in primary atomization groove 13 front portions, establish a shower nozzle 8 before the atomizer 7, shower nozzle 8 has an expanded taper angle, atomizing groove 14 communicates with expanded taper angle is vertical, and with the cone angle axis one eccentric throw is arranged.

The utlity model has following excellent characteristics: 1, combustion oil has improved atomization quality better through repeatedly atomizing, mix, spreading, and the atomizing mean droplet all can be less than 35 μ m.2, have the characteristic of mutual injection on the structure between medium, when fluctuating, pressure medium do not influence normal combustion yet, the operational factor wide ranges, load regulation rate can be greater than 1: 10.3 flame characteristics scopes are wide, and expanded taper angle α is from 20 °-120 °, and the length of flame can design arbitrarily from 0.5-10M.When 4, working, there is a strong negative pressure recirculating zone at shower nozzle front end center, and decapacitation makes outside the flame stabilization burning also can realize suspension combustion.5, shower nozzle noncoking, flame combustion is complete.6, fuel oil wide adaptability: diesel oil, crude oil, heavy oil, residual oil, pitch wet goods all can use.7, rational in infrastructure, keep in repair easy, long service life.

The utility model content is described in detail in detail with reference to the accompanying drawings.

Fig. 1 is that exterior mixing is pneumatic--the mechanical atomizer burner structure chart.

Fig. 2 is the utility model structural representation.

Fig. 3 is that the utility model K is to view.

With reference to accompanying drawing, the utility model burner is made up of oil pipe 1, steam pipe 2, tube connector 3, locking cap 4, splitter 5, mechanical atomization sheet 6, atomizer 7, shower nozzle 8 and positioning seat 9, steam pipe 2 adopts welding with tube connector 3, tube connector 3 adopts with locking cap 4 and is threaded, oil pipe 1 adopts taper thread to be connected with positioning seat 9, positioning seat 9 and tube connector 3 adopt radial locations guaranteeing the axiality of assembling, steam air drain 10 atomizing poor 13,14 that enters atomizer 7 from the side; Splitter, mechanical atomization sheet 6, atomizer 7 and shower nozzle 8 same employing radial location sockets, end face compresses sealing by locking cap, there is the fuel oil of certain pressure to shunt through splitter 5 during work by oil pipe 1, fuel oil enters mechanical eddy flow groove 12 rotation and ejection atomizing at a high speed through shunting aperture 11, at this moment carry out secondary-atomizing in mechanical atomization sheet 6 exits with the steam that atomizing tank 13 enters, mix, diffuse to form vapour, oil mixture mixes strongly with the steam that enters of atomizing tank 14 is vertical again, shower nozzle 8 front ends before the atomizer have an expanded taper angle α, expanded taper angle α is from 20 °-120 °, atomizing tank 14 communicates with expanded taper angle α is vertical, and one eccentric distance e is arranged with the cone angle axis, the mixing spray is mixed with the form of high speed centrifugation eddy flow along the expanded taper angle α of shower nozzle 8, diffusion and ejection, produce a strong negative pressure recirculating zone at ejiction opening front end center, make the flame stabilization high-velocity combustion.

Claims

1, a kind of centrifugal pneumatic--the pressure atomization burner, comprise oil pipe (1), steam pipe (2), tube connector (3), locking cap (4), splitter (5), mechanical atomization sheet (6) and atomizer (7), steam pipe (2), tube connector (3) is connected successively with locking cap (4), oil pipe (1), splitter (5) mechanical atomization sheet (6) and atomizer (7) radial location socket, end face compresses sealing with locking cap (4), it is characterized in that described atomizer (7) has two groups of pneumatic nebulization grooves (13) and (14), secondary-atomizing groove (14) is in primary atomization groove (13) front portion, the preceding shower nozzle (8) of establishing of atomizer (7).

2, burner according to claim 1 is characterized in that described shower nozzle (8) has an expanded taper angle, and atomizing groove (14) communicates with expanded taper angle is vertical, and with the cone angle axis one eccentric throw is arranged.