CN205535804U - Fractional combustion flat flame formula regenerative burner - Google Patents

Fractional combustion flat flame formula regenerative burner Download PDF

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Publication number
CN205535804U
CN205535804U CN201620109847.8U CN201620109847U CN205535804U CN 205535804 U CN205535804 U CN 205535804U CN 201620109847 U CN201620109847 U CN 201620109847U CN 205535804 U CN205535804 U CN 205535804U
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discharge orifice
cavity
gas
burner
rotary discharge
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CN201620109847.8U
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Chinese (zh)
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潘景新
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Hangzhou Zhongjing Technology Co Ltd
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Hangzhou Zhongjing Technology Co Ltd
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Abstract

The utility model relates to a fractional combustion flat flame formula regenerative burner. Flat flame formula regenerative burner's flame temperature is too high at present, and burner block life is short, and NOx content is very high among the combustion product. The utility model discloses a nozzle head, heat accumulation box, air conduction sleeve pipe, gas whirl hole spray tube, burning torch, UV detector and ceramic heat accumulator are provided with cavity and air flue gas passageway in the nozzle head, the air conduction sleeve pipe is installed in the cavity, characterized by: still including the burner block, being equipped with loudspeaker form cavity in the burner block, this burner block and nozzle head are fixed, and gas whirl hole spray tube is equipped with gas whirl hole, and this gas whirl hole spray tube is installed on the air conduction sleeve pipe, the one end of gas whirl hole spray tube and the loudspeaker that gas whirl hole all is located burner block form cavity, and the other end is provided with and fires air pipe joint. The utility model discloses can reduce the combustion flame temperature, improve burner block life, reduce NOx and discharge, avoid the interior high temperature focus of stove, put forward the high pressure heater thermal mass.

Description

A kind of fractional combustion flat flame formula heat-accumulating burner
Technical field
This utility model relates to a kind of fractional combustion flat flame formula heat-accumulating burner, is primarily adapted for use in the heating furnace of the industry such as iron and steel, machinery, is particularly suited in forge furnace.
Background technology
Regenerative combustion technology is a kind of energy-saving type high-temperature air burning technology;Flat flame formula heat-accumulating burner uses disposably in the mode of burner intracavity mixed combustion mostly at present, especially when high heating value combustion gas uses heat storage type combustion, flame temperature is too high, burner block is short for service life, in combustion product, NOx content is the highest, environment can be caused bigger pollution, and thermal-flame easily causes product burning, affects product heat treated quality.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency present in prior art, and provides a kind of reasonable in design, can reduce combustion flame temperature, improve burner block service life, reduce NOx emission, it is to avoid furnace high-temperature focus, improve the fractional combustion flat flame formula heat-accumulating burner of heating quality.
nullThe technical scheme in the invention for solving the above technical problem is: this fractional combustion flat flame formula heat-accumulating burner includes burner head、Accumulation of heat casing、Air conduction sleeve pipe、Gas rotary discharge orifice jet pipe、Burning torch、UV detector and ceramic heat storage body,Described burner head is provided with cavity and air exhaust gases passes,Described air exhaust gases passes is provided with the outlet of air exhaust gases passes,The outlet of this air exhaust gases passes connects with cavity,Described air conduction sleeve pipe is arranged in cavity,One end of described accumulation of heat casing is connected with air exhaust gases passes,The other end of this accumulation of heat casing is provided with plenum chamber,Described plenum chamber is provided with air fume pipe interface,Described ceramic heat storage body is positioned at heat storage tank body,Described burning torch and UV detector are arranged on burner head,Its construction features is: also include burner block,Described burner block is provided with horn-like cavity,This burner block and burner head are fixed,Described gas rotary discharge orifice jet pipe is provided with gas rotary discharge orifice,This gas rotary discharge orifice jet pipe is arranged on air conduction sleeve pipe,One end and the gas rotary discharge orifice of described gas rotary discharge orifice jet pipe are respectively positioned in the horn-like cavity of burner block,The other end of this gas rotary discharge orifice jet pipe is provided with Gas Pipe interface,The burning torch outlet of described burning torch and the UV detector detection hole exits of UV detector are respectively positioned in the horn-like cavity of burner block.
As preferably, in air exhaust gases passes described in the utility model outlet, the spacing between two walls paralleled with the axis of cavity is R0~R, and described R0 represents the radius of the outer wall of gas rotary discharge orifice jet pipe, and described R represents the radius of the cavity of burner head.
As preferably, in air exhaust gases passes described in the utility model outlet, the number of degrees of the angle between a wall and the tangent line of this wall and cavity intersection paralleled with the axis of cavity are 0~30 °;The outlet of described air exhaust gases passes is provided with turnover face, in the outlet of described air exhaust gases passes, another wall parallel with the axis of cavity and turnover face are connected, the junction in this another wall and turnover face is 0~R1 to the spacing of cavity, described R1 represents the radius of the air conduction sleeve pipe termination outer wall in burner head, and the number of degrees of the angle between described turnover face and the axis of cavity are 30 °~75 °.
As preferably, gas rotary discharge orifice described in the utility model includes one-level gas rotary discharge orifice and second gas burning whirl hole, described one-level gas rotary discharge orifice is that cylindrical screw wire is distributed on gas rotary discharge orifice jet pipe, and the number of degrees of the angle between axis and the tangent line of the outer wall intersection of this axis and gas rotary discharge orifice jet pipe in each one-level gas rotary discharge orifice are 45 °~90 °.
As preferably, second gas burning whirl hole circumferentially shape described in the utility model is distributed on gas rotary discharge orifice jet pipe, the columns of this second gas burning whirl hole is two row, two row second gas burning whirl hole dislocation arrangements, the number of degrees of the angle between axis and the tangent line of the outer wall intersection of this axis and gas rotary discharge orifice jet pipe in each second gas burning whirl hole are 45 °~90 °.
As preferably, burner block Outlet Section in one-level gas rotary discharge orifice described in the utility model, second gas burning whirl hole and burner block is arranged in order along the axis direction of gas rotary discharge orifice jet pipe, spacing between described second gas burning whirl hole and burner block Outlet Section is 0~r, and described r is the arc radius in the exit of horn-like cavity.
As preferably, the material of air conduction sleeve pipe described in the utility model is high-temperature refractory, and the material of described gas rotary discharge orifice jet pipe is carborundum.
As preferably, the inwall of accumulation of heat casing described in the utility model is refractory material, and described ceramic heat storage body is aluminium oxide ceramics material.
As preferably, being shaped as of ceramic heat storage body described in the utility model is spherical, square poroid or honeycomb is poroid.
As preferably, the cross section of air exhaust gases passes described in the utility model is tetragon variable cross-section shape structure.
This utility model is compared with prior art, have the following advantages and effect: air swirl enters cavity and carries out stepped mixing burning with fuel gas injection eddy flow, there is certain flame speed and rigidity, it is possible to forming Flat-flame, flame temperature is low, reduce combustion flame temperature, improve burner block service life, reduce NOx content in combustion product, reduce NOx emission, avoid furnace high-temperature focus, improve heating quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of fractional combustion flat flame formula heat-accumulating burner in this utility model embodiment.
Fig. 2 is the sectional structure schematic diagram in A-A face in Fig. 1.
Fig. 3 is the sectional structure schematic diagram in B-B face in Fig. 1.
Fig. 4 is the sectional structure schematic diagram in C-C face in Fig. 1.
Fig. 5 is the sectional structure schematic diagram in D-D face in Fig. 1.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are that this utility model is not limited to following example to explanation of the present utility model.
Embodiment.
Seeing Fig. 1 to Fig. 5, the fractional combustion flat flame formula heat-accumulating burner in the present embodiment includes burner head 1, accumulation of heat casing 2, burner block 3, air conduction sleeve pipe 4, gas rotary discharge orifice jet pipe 5, burning torch 6, UV detector 7 and ceramic heat storage body 8.
Burner head 1 in the present embodiment is provided with cavity 11 and air exhaust gases passes 12, air exhaust gases passes 12 is provided with air exhaust gases passes outlet 12a, this air exhaust gases passes outlet 12a connects with cavity 11, air conduction sleeve pipe 4 is arranged in cavity 11, and this air conduction sleeve pipe 4 is generally arranged along the central axial direction of cavity 11.One end of accumulation of heat casing 2 is connected with air exhaust gases passes 12, the other end of this accumulation of heat casing 2 is provided with plenum chamber 21, plenum chamber 21 is provided with air fume pipe interface 22, and ceramic heat storage body 8 is positioned at accumulation of heat casing 2, and burning torch 6 and UV detector 7 is arranged on burner head 1.
Burner block 3 in the present embodiment is provided with horn-like cavity 31, this burner block 3 and burner head 1 are fixed, gas rotary discharge orifice jet pipe 5 is provided with gas rotary discharge orifice 52, this gas rotary discharge orifice jet pipe 5 is arranged on air conduction sleeve pipe 4, one end of gas rotary discharge orifice jet pipe 5 and gas rotary discharge orifice 52 are respectively positioned in the horn-like cavity 31 of burner block 3, the other end of this gas rotary discharge orifice jet pipe 5 is provided with Gas Pipe interface 51, and the UV detector detection hole exits 14 of burning torch the outlet 15 and UV detectors 7 of burning torch 6 is respectively positioned in the horn-like cavity 31 of burner block 3.
In air exhaust gases passes outlet 12a in the present embodiment, spacing a between two walls paralleled with the axis x of cavity 11 is R0~R, spacing a is preferably R-R1, R0 represents the radius of the outer wall of gas rotary discharge orifice jet pipe 5, R represents the radius of the cavity 11 of burner head 1, and R1 represents the radius of the air conduction sleeve pipe termination outer wall in burner head 1.
In air exhaust gases passes outlet 12a in the present embodiment, the number of degrees of the angle α between a wall W and the tangent line y of this wall W and cavity 11 intersection paralleled with the axis x of cavity 11 are 0~30 °, and the number of degrees of angle α are preferably 0 degree;Air exhaust gases passes outlet 12a is provided with turnover face 13, in air exhaust gases passes outlet 12a, another wall K parallel with the axis x of cavity 11 and turnover face 13 are connected, the junction in this another wall K and turnover face 13 is 0~R1 to spacing b of cavity 11, the number of degrees of the angle β between the axis x of turnover face 13 and cavity 11 are 30 °~75 °, and the number of degrees of angle β are preferably 45 °.
Gas rotary discharge orifice 52 in the present embodiment includes one-level gas rotary discharge orifice 52a and second gas burning whirl hole 52b, one-level gas rotary discharge orifice 52a is that cylindrical screw wire is distributed on gas rotary discharge orifice jet pipe 5, the number of degrees of the angle theta 1 between axis N and the tangent line G of the outer wall intersection of this axis N and gas rotary discharge orifice jet pipe 5 in each one-level gas rotary discharge orifice 52a are 45 °~90 °, the number of degrees of angle theta 1 are preferably 60 °, and the quantity of one-level gas rotary discharge orifice 52a is usually 4~8.
Second gas burning whirl hole 52b circumferentially shape in the present embodiment is distributed on gas rotary discharge orifice jet pipe 5, the columns of this second gas burning whirl hole 52b is two row, two row second gas burning whirl hole 52b dislocation arrangements, the number of degrees of the angle theta 2 between axis M and the tangent line H of the outer wall intersection of this axis M and gas rotary discharge orifice jet pipe 5 in each second gas burning whirl hole 52b are 45 °~90 °, the number of degrees of angle theta 2 are preferably 90 °, and in each column, the quantity of second gas burning whirl hole 52b is usually 4~8.
The burner block Outlet Section 32 in one-level gas rotary discharge orifice 52a, second gas burning whirl hole 52b and burner block 3 in the present embodiment is arranged in order along the axis direction of gas rotary discharge orifice jet pipe 5, spacing δ between second gas burning whirl hole 52b and burner block Outlet Section 32 is 0~r, spacing δ is preferably the arc radius in the exit that r/2, r are horn-like cavity 31.
The material of the air conduction sleeve pipe 4 in the present embodiment is high-temperature refractory, and the material of gas rotary discharge orifice jet pipe 5 is carborundum (SiSiC).The inwall heat-barrier material of accumulation of heat casing 2 is refractory material, and as preferably, accumulation of heat casing 2 four peripheral wall surfaces heat-barrier material uses ceramic fiber vacuum moulded products.Ceramic heat storage body 8 is aluminium oxide ceramics material.Being shaped as of ceramic heat storage body 8 is spherical, square poroid or honeycomb is poroid.The cross section of air exhaust gases passes 12 is tetragon variable cross-section shape structure.The cross section of air exhaust gases passes 12 can also in tetragon progressive variable cross-section shape.Gas rotary discharge orifice jet pipe 5 in the present embodiment is referred to as classification multiple row gas rotary discharge orifice jet pipe.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, be named title etc. can be different, and the above content described in this specification is only to this utility model structure example explanation.All equivalence changes done according to structure, feature and the principle described in this utility model inventional idea or simple change, be all included in the protection domain of this utility model patent.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field; without departing from structure of the present utility model or surmount scope defined in the claims, protection domain of the present utility model all should be belonged to.

Claims (10)

  1. null1. a fractional combustion flat flame formula heat-accumulating burner,Including burner head (1)、Accumulation of heat casing (2)、Air conduction sleeve pipe (4)、Gas rotary discharge orifice jet pipe (5)、Burning torch (6)、UV detector (7) and ceramic heat storage body (8),Described burner head (1) is provided with cavity (11) and air exhaust gases passes (12),Described air exhaust gases passes (12) is provided with air exhaust gases passes outlet (12a),This air exhaust gases passes outlet (12a) connects with cavity (11),Described air conduction sleeve pipe (4) is arranged in cavity (11),One end of described accumulation of heat casing (2) is connected with air exhaust gases passes (12),The other end of this accumulation of heat casing (2) is provided with plenum chamber (21),Described plenum chamber (21) is provided with air fume pipe interface (22),Described ceramic heat storage body (8) is positioned at accumulation of heat casing (2),Described burning torch (6) and UV detector (7) are arranged on burner head (1),It is characterized in that: also include burner block (3),Described burner block (3) is provided with horn-like cavity (31),This burner block (3) and burner head (1) are fixed,Described gas rotary discharge orifice jet pipe (5) is provided with gas rotary discharge orifice (52),This gas rotary discharge orifice jet pipe (5) is arranged on air conduction sleeve pipe (4),One end of described gas rotary discharge orifice jet pipe (5) and gas rotary discharge orifice (52) are respectively positioned in the horn-like cavity (31) of burner block (3),The other end of this gas rotary discharge orifice jet pipe (5) is provided with Gas Pipe interface (51),Burning torch outlet (15) of described burning torch (6) and UV detector detection hole exits (14) of UV detector (7) are respectively positioned in the horn-like cavity (31) of burner block (3).
  2. Fractional combustion flat flame formula heat-accumulating burner the most according to claim 1, it is characterized in that: in described air exhaust gases passes outlet (12a), (x) the spacing (a) between two walls paralleled with the axis of cavity (11) is R0~R, described R0 represents the radius of the outer wall of gas rotary discharge orifice jet pipe (5), and described R represents the radius of the cavity (11) of burner head (1).
  3. Fractional combustion flat flame formula heat-accumulating burner the most according to claim 1, it is characterized in that: in described air exhaust gases passes outlet (12a), the number of degrees of the angle (α) between a wall (W) and the tangent line (y) of this wall (W) and cavity (11) intersection (x) paralleled with the axis of cavity (11) are 0~30 °;Described air exhaust gases passes outlet (12a) is provided with turnover face (13), in described air exhaust gases passes outlet (12a), another wall (K) the most parallel with the axis of cavity (11) and turnover face (13) are connected, the junction of this another wall (K) and turnover face (13) is 0~R1 to the spacing (b) of cavity (11), described R1 represents the radius of the air conduction sleeve pipe termination outer wall in burner head (1), the axis of described turnover face (13) and cavity (11) (x) between the number of degrees of angle (β) be 30 °~75 °.
  4. Fractional combustion flat flame formula heat-accumulating burner the most according to claim 1, it is characterized in that: described gas rotary discharge orifice (52) includes one-level gas rotary discharge orifice (52a) and second gas burning whirl hole (52b), described one-level gas rotary discharge orifice (52a) is distributed in cylindrical screw wire on gas rotary discharge orifice jet pipe (5), and the number of degrees of the angle (θ 1) between axis (N) and the tangent line (G) of the outer wall intersection of this axis (N) and gas rotary discharge orifice jet pipe (5) in each one-level gas rotary discharge orifice (52a) are 45 °~90 °.
  5. Fractional combustion flat flame formula heat-accumulating burner the most according to claim 4, it is characterized in that: described second gas burning whirl hole (52b) circumferentially shape is distributed on gas rotary discharge orifice jet pipe (5), the columns of this second gas burning whirl hole (52b) is two row, two row second gas burning whirl hole (52b) dislocation arrangements, the number of degrees of the angle (θ 2) between axis (M) and the tangent line (H) of the outer wall intersection of this axis (M) and gas rotary discharge orifice jet pipe (5) in each second gas burning whirl hole (52b) are 45 °~90 °.
  6. Fractional combustion flat flame formula heat-accumulating burner the most according to claim 5, it is characterized in that: the burner block Outlet Section (32) in described one-level gas rotary discharge orifice (52a), second gas burning whirl hole (52b) and burner block (3) is arranged in order along the axis direction of gas rotary discharge orifice jet pipe (5), spacing (δ) between described second gas burning whirl hole (52b) and burner block Outlet Section (32) is 0~r, and described r is the arc radius in the exit of horn-like cavity (31).
  7. Fractional combustion flat flame formula heat-accumulating burner the most according to claim 1, it is characterised in that: the material of described air conduction sleeve pipe (4) is high-temperature refractory, and the material of described gas rotary discharge orifice jet pipe (5) is carborundum.
  8. Fractional combustion flat flame formula heat-accumulating burner the most according to claim 1, it is characterised in that: the inwall of described accumulation of heat casing (2) is refractory material, and described ceramic heat storage body (8) is aluminium oxide ceramics material.
  9. Fractional combustion flat flame formula heat-accumulating burner the most according to claim 1, it is characterised in that: described ceramic heat storage body (8) be shaped as spherical, square poroid or honeycomb is poroid.
  10. Fractional combustion flat flame formula heat-accumulating burner the most according to claim 1, it is characterised in that: the cross section of described air exhaust gases passes (12) is tetragon variable cross-section shape structure.
CN201620109847.8U 2016-02-03 2016-02-03 Fractional combustion flat flame formula regenerative burner Active CN205535804U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106949471A (en) * 2017-04-19 2017-07-14 安德森热能科技(苏州)有限责任公司 A kind of multistage premix burner of low emission cool flame
CN107435925A (en) * 2017-09-20 2017-12-05 安徽皓沣环保科技有限公司 A kind of multistage combustion energy-conserving and environment-protective burner
CN107906514A (en) * 2017-12-04 2018-04-13 安德森热能科技(苏州)有限责任公司 A kind of Flat flame low NO
CN109114557A (en) * 2018-08-21 2019-01-01 佛山市顺德区乐华陶瓷洁具有限公司 A kind of multi-stage, energy-saving burner
CN109519920A (en) * 2018-12-29 2019-03-26 广州龙鑫蓄热工业炉有限公司 Combustion system and top typed heat-storage type burner
DE102018126662B4 (en) 2018-10-04 2023-10-26 Jasper Gmbh Rotating regenerative burner
CN109519920B (en) * 2018-12-29 2024-04-26 广州龙鑫蓄热工业炉有限公司 Combustion system and overhead heat accumulating type combustor

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106949471A (en) * 2017-04-19 2017-07-14 安德森热能科技(苏州)有限责任公司 A kind of multistage premix burner of low emission cool flame
CN106949471B (en) * 2017-04-19 2023-09-01 安德森热能科技(苏州)有限责任公司 Low-emission cold flame multistage premix burner
CN107435925A (en) * 2017-09-20 2017-12-05 安徽皓沣环保科技有限公司 A kind of multistage combustion energy-conserving and environment-protective burner
CN107906514A (en) * 2017-12-04 2018-04-13 安德森热能科技(苏州)有限责任公司 A kind of Flat flame low NO
CN107906514B (en) * 2017-12-04 2024-04-09 安德森热能科技(苏州)有限责任公司 Flat flame low-nitrogen burner
CN109114557A (en) * 2018-08-21 2019-01-01 佛山市顺德区乐华陶瓷洁具有限公司 A kind of multi-stage, energy-saving burner
CN109114557B (en) * 2018-08-21 2024-01-30 佛山市顺德区乐华陶瓷洁具有限公司 Multistage energy-saving combustor
DE102018126662B4 (en) 2018-10-04 2023-10-26 Jasper Gmbh Rotating regenerative burner
CN109519920A (en) * 2018-12-29 2019-03-26 广州龙鑫蓄热工业炉有限公司 Combustion system and top typed heat-storage type burner
CN109519920B (en) * 2018-12-29 2024-04-26 广州龙鑫蓄热工业炉有限公司 Combustion system and overhead heat accumulating type combustor

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