CN104456539A - Furnace body with bias secondary air nozzle - Google Patents
Furnace body with bias secondary air nozzle Download PDFInfo
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- CN104456539A CN104456539A CN201410723566.7A CN201410723566A CN104456539A CN 104456539 A CN104456539 A CN 104456539A CN 201410723566 A CN201410723566 A CN 201410723566A CN 104456539 A CN104456539 A CN 104456539A
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Abstract
The invention provides a furnace body with a bias secondary air nozzle, relates to the technical field of boilers, the key technology that multiple settings are applied in a furnace body by virtue of a bias air nozzle is adopted, wherein the key technology is composed of a burner, a furnace body and a nozzle which is composed of an upper nozzle, an upper bias plate, an oil gun hole, a support, a low nozzle and a low bias plate; the upper bias plate is fixedly connected with the upper nozzle in a bias manner, the lower bias plate is fixedly connected with the lower nozzle in a bias manner, and the lower side of the upper nozzle is fixedly connected with the upper side of the oil gun hole and the upper end of the support; the lower side of the oil gun hole is fixedly connected with the upper side of the lower nozzle, the lower end of the support is fixedly connected with the upper side of the lower nozzle, two sides of the oil gun hole are fixedly connected with the inner end of the support, and the nozzle and the burner are fixedly connected with the furnace body and used for the boiler burning. The furnace body with the bias secondary air nozzle is unique and novel in concept, scientific and reasonable in design, simple and artful in structure, stable and reliable in effect, convenient in manufacturing, low in production cost, convenient in use and good in benefit.
Description
Technical field
The present invention arranges the body of heater of biased overfire air jet, relates to boiler technology field; In particular to Utility Boiler Technology field; Be specifically related to the technical field that station boiler uses " biased overfire air jet ".
Background technology
In the combustion process of station boiler, the slagging scorification in hearth combustion region and high temperature corrosion are that puzzlement station boiler cannot the common problem of efficient for a long time smooth and easy burning, prevent and slagging scorification and the high temperature corrosion of removing hearth combustion region region of interest, be the key technical problem that pendulum is badly in need of in the industry solving in good time.Based on the professional knowledge inside information of inventor with practical experience abundant for many years and to the excelsior unremitting pursue of cause, conscientiously and fully investigating, understand, analyze, study, summing up on existing known technology and present situation basis, taking to arrange special " biased overfire air jet (nozzles namely in claims) " in the region of interest in hearth combustion region can solve the problem.For this reason, " biased overfire air jet " is the key of key technology, the present invention is special with " arranging biasing plate " key technology, succeed in developing " biased overfire air jet (nozzles namely in claims) " special purpose device, solve the deficiency of existing known technology and present situation existence, defect and drawback.That is exactly, by the various overfire air jets such as alopecia areata room nozzle, middle part smooth-bore tip and biased wind structure combined and define the biased overfire air jet version of rigidity.Be exactly more particularly that, according to the different type of furnace, the number of plies arranging biased overfire air jet (nozzles namely in claims) in body of heater is generally layer 2-3; Different according to boiler combustion system arrangement form, the form of combined biased Secondary Air can be divided into: the combining form of the combining form of biased wind and alopecia areata room Secondary Air, biased wind and middle part non-swirl secondary air.Biased wind structure can be divided into again: double-deck positive and negative two to biased wind structure, individual layer forward bias wind structure, biased wind and the various versions such as combined structure of directly drying; The angle of eccentricity of biased wind is generally 15-25 degree.
This technology achieves the protection to water-cooling wall in the oxygen debt combustion process of carrying out burner hearth primary combustion zone; the region (oxysome volume concentrations is about 0.5-2%) of relative hyperoxia is defined in burner hearth near wall region; effectively can avoid the slagging scorification in hearth combustion region and the generation of high temperature corrosion; achieve the horizontal cross-section fractional combustion of primary combustion zone better, this is the key technology of low-NOx staged combustion technology of the present invention simultaneously.
Summary of the invention
Key technology that the present invention takes " biased wind nozzle (nozzles namely in claims) multiple setting on body of heater ", by upper spout, upper offset plate, oil gun hole, support, lower spout, the nozzle that below-center offset plate is formed and burner, body of heater is formed jointly, its upper offset plate is with biased mode and upper spout, below-center offset plate is all fixedly connected with lower spout in biased mode, the downside of upper spout and the upside in oil gun hole and with the upper end supported, the downside in oil gun hole and the upside of lower spout, the lower end supported and the upside of lower spout, the both sides in oil gun hole are all fixedly connected with the inner of support, its nozzle and burner are all fixedly connected with body of heater.
The object reached by the present invention is: 1., the present invention takes " biased the multiple setting on body of heater of wind nozzle " key technology, provides " body of heater arranging biased overfire air jet " special purpose device.2., succeed in developing on basis at " biased overfire air jet (nozzles namely described in claims) " special purpose device, " biased overfire air jet (nozzles namely in claims) " is arranged on the region of interest that hearth combustion region produces slagging scorification and high temperature corrosion, to enable station boiler permanent and efficient smooth and easy burning.3., by the present invention, the deficiency of existing known technology and present situation existence, defect and drawback is solved.4., " biased overfire air jet (nozzles namely in claims) " of the present invention, the bias mode of its upper offset plate and below-center offset plate is as follows: the first, and upper offset plate and below-center offset plate are biased all left; The second, upper offset plate and below-center offset plate are all to right-hand offset; 3rd, upper offset plate left biased and below-center offset plate to right-hand offset; 4th, upper offset plate is biased left to right-hand offset and below-center offset plate; 5th, upper offset plate disposed upright and below-center offset plate are biased left; 6th, upper offset plate disposed upright and below-center offset plate are to right-hand offset; 7th, upper offset plate is biased and below-center offset plate disposed upright left; 8th, upper offset plate is to right-hand offset and below-center offset plate disposed upright; Like this, the flanker of " biased overfire air jet (nozzles namely in claims) " is just constituted.5., on eight kinds of bias mode bases of " biased overfire air jet " described in the present invention 4.: A, oil gun hole is not set; B, oil gun hole is set and only spout is set; C, oil gun hole is set and lower spout is only set; D, oil gun hole is not set and spout is only set; E, oil gun hole is not set and lower spout is only set; Like this, on eight kinds of bias mode bases described in 4., the present invention turn increases more kinds of modes of permutation and combination; In other words, within the scope of the various structures mode of 4. 5. described and permutation and combination, can select accordingly according to the concrete condition of station boiler, effectively increase the choice of suiting measures to local conditions.6., nozzle of the present invention (i.e. biased overfire air jet) selects the side of body of heater to be fixedly connected with nozzle with being fixedly connected as of body of heater, the both sides of body of heater are fixedly connected with nozzle, three sides of body of heater are fixedly connected with nozzle, four sides of body of heater are fixedly connected with nozzle, the middle part of body of heater is fixedly connected with nozzle, the top of body of heater is fixedly connected with nozzle, the bottom of body of heater is fixedly connected with nozzle, nozzle is parallel to burner and is fixedly connected with body of heater, nozzle is placed on the upside of burner and is fixedly connected with body of heater, nozzle is placed in the one be fixedly connected with body of heater on the downside of burner and is fixedly connected with mode, like this, just constitute described " biased wind nozzle multiple setting on body of heater " key technology, thus just can carry out according to the concrete condition of oneself beneficial effect selected for various power station, various boiler all provide.7., " biased overfire air jet " provided by the invention and " body of heater of biased overfire air jet is set ", can be applicable to various power station, can wide popularization and application, its applied range.8., unique novel, the design science of design of the present invention rationally, simple and ingenious structure, conveniently to make and cost is low, effect stability reliable, run smooth and easy manageability.9., of the present inventionly to succeed in developing, effectively raise the technical merit of the industry.
For achieving the above object, technical scheme provided by the invention is:
Arrange a body of heater for biased overfire air jet, the nozzle be made up of upper spout, upper offset plate, oil gun hole, support, lower spout, below-center offset plate and burner, body of heater are formed jointly;
The described body of heater that biased overfire air jet is set, its upper offset plate is all fixedly connected with lower spout in biased mode with upper spout, below-center offset plate in biased mode, and on it, the downside of spout to be all fixedly connected with the inner of support with the upside of the upper end of support, the downside in oil gun hole and the lower upside of spout, the lower end of support and lower spout, the both sides in oil gun hole with the upside in oil gun hole; Its nozzle and burner are all fixedly connected with body of heater.
The described body of heater that biased overfire air jet is set, described upper spout, lower spout are tubular structure, described upper offset plate, below-center offset plate are platy structure, described oil gun hole is round tube shape structure, describedly be supported for T-shaped platy structure, described burner is the burner of station boiler, and described body of heater is the body of heater of station boiler.
The described body of heater arranging biased overfire air jet, the angle that described upper offset plate, below-center offset plate are biased is 15-25 degree.
The described body of heater that biased overfire air jet is set, the bias mode of described upper offset plate and below-center offset plate be select upper offset plate and below-center offset plate all left biased, upper offset plate and below-center offset plate all to right-hand offset, upper offset plate left biased and below-center offset plate to right-hand offset, upper offset plate to right-hand offset and below-center offset plate left biased, upper offset plate disposed upright and below-center offset plate biased, upper offset plate disposed upright and below-center offset plate to be biased left to right-hand offset, upper offset plate and below-center offset plate disposed upright, upper offset plate is to a kind of bias mode in right-hand offset and below-center offset plate disposed upright left.
The described body of heater that biased overfire air jet is set, described in be supported for enantiomorphous two.
The described body of heater that biased overfire air jet is set, described nozzle selects the side of body of heater to be fixedly connected with nozzle with being fixedly connected as of body of heater, the both sides of body of heater are fixedly connected with nozzle, three sides of body of heater are fixedly connected with nozzle, four sides of body of heater are fixedly connected with nozzle, the middle part of body of heater is fixedly connected with nozzle, the top of body of heater is fixedly connected with nozzle, the bottom of body of heater is fixedly connected with nozzle, nozzle is parallel to burner and is fixedly connected with body of heater, nozzle is placed on the upside of burner and is fixedly connected with body of heater, nozzle is placed in the one be fixedly connected with body of heater on the downside of burner and is fixedly connected with mode.
Owing to have employed technical scheme provided by the present invention; Owing to this invention takes " biased wind nozzle multiple setting on body of heater " key technology; The nozzle be made up of upper spout, upper offset plate, oil gun hole, support, lower spout, below-center offset plate due to the present invention and burner, body of heater are formed jointly, its upper offset plate is all fixedly connected with lower spout in biased mode with upper spout, below-center offset plate in biased mode, and the downside of upper spout is with the upside in oil gun hole and be all fixedly connected with the inner of support with the upside of the upper end of support, the downside in oil gun hole and the lower upside of spout, the lower end of support and lower spout, the both sides in oil gun hole; Its nozzle and burner are all fixedly connected with body of heater.Make the present invention compared with existing known technology and present situation, obtain following beneficial effect:
1, one of beneficial effect of the present invention is exactly, and takes " arranging biasing plate " key technology, provides " biased overfire air jet (nozzles namely described in claims) " special purpose device.
2, succeeding in developing on " biased overfire air jet (nozzles namely described in claims) " basis, application " biased overfire air jet " is connected with body of heater, key technology that the present invention takes again " biased wind nozzle multiple setting on body of heater ", provides " body of heater arranging biased overfire air jet " special purpose device.
3, succeed in developing on basis at " biased overfire air jet " special purpose device, " biased overfire air jet " is arranged on the region of interest that hearth combustion region produces slagging scorification and high temperature corrosion, to enable station boiler permanent and efficient smooth and easy burning.
4, by the present invention, the deficiency of existing known technology and present situation existence, defect and drawback is solved.
5, " biased overfire air jet (nozzles namely in claims) " of the present invention, the bias mode of its upper offset plate and below-center offset plate is as follows: the first, and upper offset plate and below-center offset plate are biased all left; The second, upper offset plate and below-center offset plate are all to right-hand offset; 3rd, upper offset plate left biased and below-center offset plate to right-hand offset; 4th, upper offset plate is biased left to right-hand offset and below-center offset plate; 5th, upper offset plate disposed upright and below-center offset plate are biased left; 6th, upper offset plate disposed upright and below-center offset plate are to right-hand offset; 7th, upper offset plate is biased and below-center offset plate disposed upright left; 8th, upper offset plate is to right-hand offset and below-center offset plate disposed upright; Like this, the flanker of " biased overfire air jet " is just constituted.
6, on eight kinds of bias mode bases of " biased overfire air jet " described in the present invention the 5th article: A, oil gun hole is not set; B, oil gun hole is set and only spout is set; C, oil gun hole is set and lower spout is only set; D, oil gun hole is not set and spout is only set; E, oil gun hole is not set and lower spout is only set; Like this, on eight kinds of bias mode bases described in the 5th article, the present invention turn increases more kinds of modes of permutation and combination; In other words, described in the 5th, 6 article and within the scope of the various structures mode of permutation and combination, can select accordingly according to the concrete condition of station boiler, effectively increase the choice of suiting measures to local conditions.
7, nozzle of the present invention (i.e. biased overfire air jet) selects the side of body of heater to be fixedly connected with nozzle with being fixedly connected as of body of heater, the both sides of body of heater are fixedly connected with nozzle, three sides of body of heater are fixedly connected with nozzle, four sides of body of heater are fixedly connected with nozzle, the middle part of body of heater is fixedly connected with nozzle, the top of body of heater is fixedly connected with nozzle, the bottom of body of heater is fixedly connected with nozzle, nozzle is parallel to burner and is fixedly connected with body of heater, nozzle is placed on the upside of burner and is fixedly connected with body of heater, nozzle is placed in the one be fixedly connected with body of heater on the downside of burner and is fixedly connected with mode, like this, just constitute described " biased wind nozzle multiple setting on body of heater " key technology, thus just can carry out according to the concrete condition of oneself beneficial effect selected for various power station, various boiler all provide.
8, " biased overfire air jet " provided by the invention and " arranging the body of heater of biased overfire air jet ", can be applicable to various power station, can wide popularization and application, its applied range.
9, unique novel, the design science of design of the present invention rationally, simple and ingenious structure, conveniently to make and cost is low, effect stability reliable, run smooth and easy manageability.
10, of the present inventionly to succeed in developing, effectively raise the technical merit of the industry.
Accompanying drawing explanation
Fig. 1 is the boiler schematic top plan view that combustor mode put by single wall paper.As with nozzle (namely biased overfire air jet) is set contrast figure.
Fig. 2 is the schematic top plan view of one of the specific embodiment of the invention.Namely single wall paper puts burner boiler and boiler three side arranges the schematic top plan view of nozzle (namely biased overfire air jet).
Fig. 3 is the boiler schematic top plan view that combustor mode put by two wall paper.As with nozzle (namely biased overfire air jet) is set contrast figure.
Fig. 4 is the schematic top plan view of the specific embodiment of the invention two.Namely two wall paper puts burner boiler and boiler both sides arrange the schematic top plan view of nozzle (i.e. biased overfire air jet).
Fig. 5 is the boiler schematic top plan view that combustor mode is arranged in corner.As with nozzle (namely biased overfire air jet) is set contrast figure.
Fig. 6 is the schematic top plan view of the specific embodiment of the invention three.Namely corner arranges that burner boiler and the boiler left and right sides arrange the schematic top plan view of nozzle (i.e. biased overfire air jet).
Fig. 7 is the schematic top plan view of the specific embodiment of the invention four.Namely burner boiler is arranged and before and after boiler, both sides arrange the schematic top plan view of nozzle (namely biased overfire air jet) in corner.
Fig. 8 is the boiler schematics that shoulder arranges combustor mode.As with nozzle (namely biased overfire air jet) is set contrast figure.
Fig. 9 is the schematic diagram of the specific embodiment of the invention five.Namely shoulder arranges that burner boiler and boiler waist arrange the schematic diagram of nozzle (i.e. biased overfire air jet).
Figure 10 is the schematic diagram of the specific embodiment of the invention six.Namely shoulder arranges that burner boiler and boiler waist arrange the schematic diagram of three layers of nozzle (i.e. biased overfire air jet).Dotted line in figure represents the position arranging burner, the mode parallel with burner is provided with nozzle (i.e. biased overfire air jet), on the burner side and is provided with nozzle (i.e. biased overfire air jet), on the downside of burner, is provided with nozzle (i.e. biased overfire air jet).
Figure 11 is the front view of " biased overfire air jet (nozzles namely described in claims) " in the specific embodiment of the invention.
Figure 12 is that the A-A of Figure 11 is to generalized section.The bias state of upper offset plate is embodied with this figure.
Figure 13 is that the B-B of Figure 11 is to generalized section.The bias state of below-center offset plate is embodied with this figure.
Figure 14 is the schematic diagram that in the specific embodiment of the invention, upper offset plate or below-center offset plate are arranged under disposed upright state.
Label in figure: 101, upper spout, 102, upper offset plate, 103, oil gun hole, 104, support, 105, lower spout, 106, below-center offset plate, 1, nozzle, 2, burner, 3, body of heater.
Detailed description of the invention
Below in conjunction with Figure of description, " body of heater of biased overfire air jet is arranged " to the present invention and is described in detail.Shown in Figure of description 2,4,6,7,9,10,11,12,13:
A body of heater for biased overfire air jet is set, by upper spout 101, upper offset plate 102, oil gun hole 103, support 104, nozzle 1 that lower spout 105, below-center offset plate 106 are formed and burner 2, body of heater 3 form jointly;
The described body of heater that biased overfire air jet is set, its upper offset plate 102 is all fixedly connected with lower spout 105 in biased mode with upper spout 101, below-center offset plate 106 in biased mode, and on it, the downside of spout 101 to be all fixedly connected with the inner of support 104 with the upside of lower spout 105, the both sides in oil gun hole 103 with the upside of the upper end of support 104, the downside in oil gun hole 103 and lower spout 105, the lower end that supports 104 with the upside in oil gun hole 103; Its nozzle 1 and burner 2 are all fixedly connected with body of heater 3.
The described body of heater that biased overfire air jet is set, described upper spout 101, lower spout 105 are tubular structure, described upper offset plate 102, below-center offset plate 106 are platy structure, described oil gun hole 103 is round tube shape structure, described support 104 is T-shaped platy structure, described burner 2 is the burner of station boiler, and described body of heater 3 is the body of heater of station boiler.
The described body of heater arranging biased overfire air jet, the angle that described upper offset plate 102, below-center offset plate 106 are biased is 15-25 degree.
The described body of heater that biased overfire air jet is set, described upper offset plate 102 is biased all left for selecting upper offset plate 102 and below-center offset plate 106 with the bias mode of below-center offset plate 106, upper offset plate 102 and below-center offset plate 106 are all to right-hand offset, upper offset plate 102 left biased and below-center offset plate 106 to right-hand offset, upper offset plate 102 is biased left to right-hand offset and below-center offset plate 106, upper offset plate 102 disposed upright and below-center offset plate 106 are biased left, upper offset plate 102 disposed upright and below-center offset plate 106 are to right-hand offset, upper offset plate 102 is biased and below-center offset plate 106 disposed upright left, upper offset plate 102 is to a kind of bias mode in right-hand offset and below-center offset plate 106 disposed upright.
The described body of heater arranging biased overfire air jet, described support 104 is enantiomorphous two.
The described body of heater that biased overfire air jet is set, described nozzle 1 selects the side of body of heater 3 to be fixedly connected with nozzle 1 with being fixedly connected as of body of heater 3, the both sides of body of heater 3 are fixedly connected with nozzle 1, three sides of body of heater 3 are fixedly connected with nozzle 1, four sides of body of heater 3 are fixedly connected with nozzle 1, the middle part of body of heater 3 is fixedly connected with nozzle 1, the top of body of heater 3 is fixedly connected with nozzle 1, the bottom of body of heater 3 is fixedly connected with nozzle 1, nozzle 1 is parallel to burner 2 and is fixedly connected with body of heater 3, nozzle 1 is placed on the upside of burner 2 and is fixedly connected with body of heater 3, nozzle 1 is placed in the one be fixedly connected with body of heater 3 on the downside of burner 2 and is fixedly connected with mode.
In above-mentioned specific implementation process: the angle that described upper offset plate 102, below-center offset plate 106 are biased is implemented with 15,16,17,18,19,20,21,22,23,24,25 degree respectively, to the bias mode of described upper offset plate 102 and below-center offset plate 106, above biasing plate 102 and below-center offset plate 106 are biased all left respectively, upper offset plate 102 and below-center offset plate 106 are all to right-hand offset, upper offset plate 102 left biased and below-center offset plate 106 to right-hand offset, upper offset plate 102 is biased left to right-hand offset and below-center offset plate 106, upper offset plate 102 disposed upright and below-center offset plate 106 are biased left, upper offset plate 102 disposed upright and below-center offset plate 106 are to right-hand offset, upper offset plate 102 is biased and below-center offset plate 106 disposed upright left, upper offset plate 102 is implemented to right-hand offset and below-center offset plate 106 disposed upright, described nozzle 1 is fixedly connected with nozzle 1 with the side of body of heater 3 respectively with being fixedly connected with of body of heater 3, the both sides of body of heater 3 are fixedly connected with nozzle 1, three sides of body of heater 3 are fixedly connected with nozzle 1, four sides of body of heater 3 are fixedly connected with nozzle 1, the middle part of body of heater 3 is fixedly connected with nozzle 1, the top of body of heater 3 is fixedly connected with nozzle 1, the bottom of body of heater 3 is fixedly connected with nozzle 1, nozzle 1 is parallel to burner 2 and is fixedly connected with body of heater 3, nozzle 1 is placed on the upside of burner 2 and is fixedly connected with body of heater 3, nozzle 1 is placed in be fixedly connected with body of heater 3 on the downside of burner 2 and implements, all obtain the good result of expection.
Be more than preferred embodiment of the present invention, not any pro forma restriction done to the present invention; All industry those of ordinary skill all can smooth and easyly be implemented; In every case the change made not departing from technical solution of the present invention, the equivalent variations of modifying and developing, be Equivalent embodiments of the present invention, all still belong to technical scheme of the present invention.
Claims (6)
1. a body of heater for biased overfire air jet is set, it is characterized in that: by upper spout (101), upper offset plate (102), oil gun hole (103), support nozzle (1) that (104), lower spout (105), below-center offset plate (106) form and burner (2), body of heater (3) forms jointly;
The described body of heater that biased overfire air jet is set, its upper offset plate (102) is with biased mode and upper spout (101), below-center offset plate (106) is all fixedly connected with lower spout (105) in biased mode, the downside of spout (101) and the upside of oil gun hole (103) on it and with the upper end supporting (104), the downside in oil gun hole (103) and the upside of lower spout (105), support the lower end of (104) and the upside of lower spout (105), the both sides in oil gun hole (103) are all fixedly connected with the inner of support (104), its nozzle (1) and burner (2) are all fixedly connected with body of heater (3).
2. the body of heater that biased overfire air jet is set according to claim 1, it is characterized in that: described upper spout (101), lower spout (105) are tubular structure, described upper offset plate (102), below-center offset plate (106) are platy structure, described oil gun hole (103) is round tube shape structure, described support (104) is T-shaped platy structure, the burner that described burner (2) is station boiler, the body of heater that described body of heater (3) is station boiler.
3. the body of heater arranging biased overfire air jet according to claim 1, is characterized in that: the angle that described upper offset plate (102), below-center offset plate (106) are biased is 15-25 degree.
4. the body of heater that biased overfire air jet is set according to claim 1, it is characterized in that: described upper offset plate (102) is biased all left for selecting upper offset plate (102) and below-center offset plate (106) with the bias mode of below-center offset plate (106), upper offset plate (102) and below-center offset plate (106) are all to right-hand offset, upper offset plate (102) left biased and below-center offset plate (106) to right-hand offset, upper offset plate (102) is biased left to right-hand offset and below-center offset plate (106), upper offset plate (102) disposed upright and below-center offset plate (106) are biased left, upper offset plate (102) disposed upright and below-center offset plate (106) are to right-hand offset, upper offset plate (102) is biased and below-center offset plate (106) disposed upright left, upper offset plate (102) is to a kind of bias mode in right-hand offset and below-center offset plate (106) disposed upright.
5. the body of heater arranging biased overfire air jet according to claim 1, is characterized in that: described support (104) is enantiomorphous two.
6. the body of heater that biased overfire air jet is set according to claim 1, it is characterized in that: described nozzle (1) selects the side of body of heater (3) to be fixedly connected with nozzle (1) with being fixedly connected as of body of heater (3), the both sides of body of heater (3) are fixedly connected with nozzle (1), three sides of body of heater (3) are fixedly connected with nozzle (1), four sides of body of heater (3) are fixedly connected with nozzle (1), the middle part of body of heater (3) is fixedly connected with nozzle (1), the top of body of heater (3) is fixedly connected with nozzle (1), the bottom of body of heater (3) is fixedly connected with nozzle (1), nozzle (1) is parallel to burner (2) and is fixedly connected with body of heater (3), nozzle (1) is placed in burner (2) upside and is fixedly connected with body of heater (3), nozzle (1) is placed in the one be fixedly connected with body of heater (3) on the downside of burner (2) and is fixedly connected with mode.
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| CN201410723566.7A CN104456539A (en) | 2014-12-04 | 2014-12-04 | Furnace body with bias secondary air nozzle |
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| CN201410723566.7A CN104456539A (en) | 2014-12-04 | 2014-12-04 | Furnace body with bias secondary air nozzle |
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| RU2403500C1 (en) * | 2009-04-30 | 2010-11-10 | Государственное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (КГЭУ) | Device for supply of gases into furnace |
| CN102032555A (en) * | 2010-12-07 | 2011-04-27 | 上海锅炉厂有限公司 | Boiler combustion device |
| CN203298331U (en) * | 2013-05-22 | 2013-11-20 | 武汉天和技术股份有限公司 | Single secondary air nozzle capable of forming fan-shaped airflow |
| CN204285448U (en) * | 2014-12-04 | 2015-04-22 | 中节环（北京）环境科技股份有限公司 | The body of heater of biased overfire air jet is set |
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Application publication date: 20150325 |