CN208475327U - A kind of waste heat boiler burner - Google Patents
A kind of waste heat boiler burner Download PDFInfo
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- CN208475327U CN208475327U CN201821166124.7U CN201821166124U CN208475327U CN 208475327 U CN208475327 U CN 208475327U CN 201821166124 U CN201821166124 U CN 201821166124U CN 208475327 U CN208475327 U CN 208475327U
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- air
- flue gas
- chamber
- waste heat
- heat boiler
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Abstract
The utility model relates to petrochemical industry field of combustion equipment, specifically a kind of waste heat boiler burner.The horizontal baffle and tilt clapboard including shell and from top to bottom set gradually, fuel gas combustion chamber is formed above horizontal baffle, circulating flue gas chamber is formed between horizontal baffle and tilt clapboard, air distribution chamber is formed between tilt clapboard and shell bottom wall, circulating flue gas chamber and air distribution chamber are taper；The big end of circulating flue gas chamber is equipped with circulating flue gas inlet tube, the big end of air distribution chamber is taken over equipped with air intake, multiple flue gas ventilating ducts are equipped at intervals on horizontal baffle, it is arranged with air lance in any one flue gas ventilating duct, the burning air gun for being passed through combustion gas to fuel gas combustion chamber is also arranged in any one air lance.The utility model can solve original waste heat boiler burner structure complexity, manufacture, the disadvantage that transport and installation difficulty are big.
Description
Technical field
The utility model relates to petrochemical industry field of combustion equipment, specifically a kind of waste heat boiler burner.
Background technique
Oil plant, which is generally built, catalytic cracking unit, and the generation of catalyst regeneration oxy combustion contains in device operational process
A large amount of flue gases of 3-10% (V) left and right CO and a small amount of fuel gas.This partial fume not only itself has about 600 DEG C of temperature
Degree, and contain a certain amount of CO gas that can further burn, waste heat can be discharged.So generally in the regeneration of catalytic unit
Flue gas rear end is respectively provided with smoke and waste steam boiler to make full use of the waste heat of flue gas to reach energy-efficient purpose.Waste heat boiler is generally used to
Middle pressure steam occurs, steam can be used for device and go into operation, runs or generate electricity.The load of waste heat boiler generally with the scale of device and
It is fixed, to achieve the effect that best energy consumption recycles.
Existing waste heat boiler burner structure is complicated, and manufacture difficulty is big.Shape is tall and big, quality weight, in manufacture, transport and peace
It is during dress to have inconvenience more.
Utility model content
The utility model is intended to provide a kind of burner for waste heat boiler, solves original waste heat boiler burner structure
Complexity manufactures, the disadvantage that transport and installation difficulty are big.
In order to solve the above technical problems, the technical solution adopted in the utility model are as follows: a kind of waste heat boiler burner,
Shell including open top and the horizontal baffle and tilt clapboard being from top to bottom successively set in housing cavity, in shell
It is located at the position above horizontal baffle in chamber and forms fuel gas combustion chamber, the position shape between horizontal baffle and tilt clapboard
At circulating flue gas chamber, the position between tilt clapboard and shell bottom wall forms air distribution chamber, circulating flue gas chamber and air
Distribution cavity is taper；The big end of circulating flue gas chamber is equipped with circulating flue gas inlet tube, and the big end of air distribution chamber enters equipped with air
Mouth adapter tube is equipped at intervals with the flue gas ventilating ducts of multiple connection circulating flue gas chambers and fuel gas combustion chamber, arbitrarily on horizontal baffle
It is arranged with air lance in one flue gas ventilating duct, is also arranged in any one air lance for burning to fuel gas
Chamber is passed through the burning air gun of combustion gas, the upper end of air lance and the refractory brick support component being coaxially distributed in flue gas ventilating duct
Connection, is additionally provided with the refractory brick component being connected in a tubular form and with air lance in refractory brick support component, under air lance
End is connected on tilt clapboard and is connected to air distribution chamber, is equipped with altar lamp igniter group in the muzzle position of burning air gun
Part.
Preferably, burn air gun muzzle be arranged in refractory brick component.
Preferably, it is equipped with air nozzle between the outer wall of burning air gun muzzle position and the inner wall of refractory brick component,
The inner wall of burning air gun muzzle position is equipped with burning gas jets.
Preferably, it is equipped at intervals between the outer wall of burning air gun and the inner wall of air lance and multiple is used to support combustion gas
The gusset of rifle.
Preferably, peephole and fire inspection detector are from top to bottom successively arranged on the side wall of fuel gas combustion chamber.
Preferably, it is equipped with heat-resistant lining on the inner wall of the housing.
Beneficial effect
The utility model is through the above technical solutions, have the following beneficial effects:
1. cancelling the primary and Secondary Air entrance of burner in the prior art, only under the premise of meeting full combustion
A circulating flue gas inlet tube is set up, to reduce air inlet duct height.And pressure drop is low, i.e. the pressure loss of energy is low.Original two
Air intake synthesis in road is led directly to all the way, and droop loss is small.
2. cancelling the Skirt structure of burner in the prior art, equipment whole height is reduced.
3. the air inlet structure of optimization burner in the prior art, by fuel gas, combustion air, after regenerated flue gas layering simultaneously
Into combustion zone.It will originally primary air be mixed with fuel gas, auxiliary air is mixed with circulating flue gas, both the above mixing
The form that gas respectively enters burner hearth region is changed to air, and fuel gas enters burner hearth area after circulating flue gas layering simultaneously
The form in domain.
4. cancelling end socket partition former in burner casing body in the prior art, simplify structure.
5. in preferred embodiments, heat-resistant lining can directly construct in housing bottom and side, with previous burner
It compares, ensure that the integrality of furnace body, significantly reduce difficulty of construction in inner lining of furnace, be greatly improved equipment uses week
Phase.
6. the optimization by above structure can be reduced waste heat boiler burner outer dimension.Good integrity, shape are neat
It is beautiful.Regenerated flue gas part, fuel gas part, combustion air portion are not only separated from each other but also are tightly combined in burner internal, outside
Portion's piping is simple and convenient.Simple and compact for structure, the more former burner of volume is small by 40%.Greatly reduce installation, transport, basic civil engineering
Etc. expenses.The main material amount of manufacture is reduced, weight reduces more, low cost.
Detailed description of the invention
Fig. 1 is the longitudinal profile structure schematic of the utility model；
Fig. 2 is the overlooking structure diagram of Fig. 1；
Marked in the figure: 1, shell, 2, air lance, 3, circulating flue gas inlet tube, 4, gusset, 5, flue gas ventilating duct, 6, fire
Examine detector, 7, peephole, 8, air nozzle, 9, burning gas jets, 10, fuel gas combustion chamber, 11, horizontal baffle, 12, circulation
Flue gas chamber, 13, altar lamp ignitor assembly, 14, air intake adapter tube, 15, burning air gun, 16, heat-resistant lining, 17, inclination every
Plate, 18, air distribution chamber, 19, refractory brick support component, 20 refractory brick components.
Specific embodiment
As depicted in figs. 1 and 2, a kind of waste heat boiler burner of the utility model, the shell 1 including open top,
The open top end of shell 1 is connected to the lower part of waste heat boiler incinerator body.It is from top to bottom successively set in the inner cavity of shell 1
There are horizontal baffle 11 and tilt clapboard 17.1 intracavity space of shell of 11 top of horizontal baffle forms fuel gas combustion chamber 10.It is horizontal
1 intracavity space of shell between partition 11 and tilt clapboard 17 forms circulating flue gas chamber 12；Tilt clapboard 17 and 1 bottom of shell it
Between 1 intracavity space of shell formed air distribution chamber 18.
Peephole 7 and fire inspection detector 6 are from top to bottom successively arranged on the side wall of fuel gas combustion chamber 10.Fire inspection detection
Device 6 realizes automatic control and blowout protection for the flame combustion situation in on-line checking fuel gas combustion chamber 10, feedback signal
Function.Peephole 7 is mounted on furnace wall, it can directly be seen that the flame condition of igniting and normal combustion, and have blowout protection
Function.The setting of fire inspection detector 6 and peephole 7 is the prior art, and conventional structure does not repeat them here again.
Since the tilt clapboard 17 in the utility model favours horizontal plane setting, therefore circulating flue gas chamber 12 and air distribute
The longitudinal section of chamber 18 is in rectangle as shown in Figure 1, and the housing depth of circulating flue gas chamber 12 is gradually reduced from left to right, is being recycled
Left end in big end, that is, Fig. 1 of flue gas chamber 12 is connected with circulating flue gas inlet tube 3, can be by circulating flue gas inlet tube 3 to circulation
Flue gas is passed through in flue gas chamber 12.The housing depth of air distribution chamber 18 is gradually increased from left to right, in the big of air distribution chamber 18
End is that the right end in Fig. 1 is connected with air intake adapter tube 14, is passed through and is helped into air distribution chamber 18 by air intake adapter tube 14
Combustion air.The flue gas and combustion air that are passed through and the burner being separately added are layered by fuel gas distributor gear enters combustion
Expect in gas combustion chamber 10, by lighting burning through the altar lamp ignitor assembly 13 being arranged on 1 side wall of shell.
The fuel gas distributor gear of the utility model includes the multiple flue gas ventilating ducts being arranged at intervals on horizontal baffle 11
5, be arranged with air lance 2 in any one flue gas ventilating duct 5, be also arranged in any one air lance 2 for
Fuel gas combustion chamber 10 is passed through the burning air gun 15 of combustion gas.Flue gas ventilating duct 5 is connected to circulating flue gas chamber 12 and fuel gas burning
Chamber 10 is entered in fuel gas combustion chamber 10 for the flue gas in circulating flue gas chamber 12 by flue gas ventilating duct 5.Air lance 2 it is upper
End is connect with the refractory brick support component 19 being coaxially set in flue gas ventilating duct 5, equipped with being in refractory brick support component 19
Tubular and the refractory brick component 20 being connected to air lance 2.Refractory brick support component 19 is annular in shape, and its diameter is led less than flue gas
The diameter of air duct 5, so that flue gas can be entered fuel gas combustion by the gap between flue gas ventilating duct 5 and refractory brick support component 19
It burns in chamber 10.The lower end of air lance 2 is connected on tilt clapboard 17 and is connected to air distribution chamber 18, for air distribution chamber
Air in 18 enters fuel gas combustion chamber 10 by air lance 2.The muzzle of burning air gun 15 is arranged in refractory brick component
In 20, the end of burning air gun 15 is pierced by 1 side wall of shell after tilt clapboard 17 and is connected with combustion gas storage equipment or pipeline.
Be equipped at intervals on the outer wall at burning air gun 15 middle part it is multiple be fixedly connected for air guns 15 will to be burnt with 2 inner wall of air lance with
The gusset 4 played a supporting role.Sky is equipped between the outer wall of burning 15 muzzle position of air gun and the inner wall of refractory brick component 20
Gas jets 8 are equipped with burning gas jets 9 on the inner wall of burning 15 muzzle position of air gun.Above-mentioned altar lamp ignitor assembly 13
Quantity with burning the quantity of air gun 15 it is consistent, altar lamp ignitor assembly 13 be correspondingly arranged at burning 15 muzzle of air gun position
It sets.
In the implementation process of the utility model, fuel gas enters fuel gas combustion chamber 10, burning via burning air gun 15
Air enters fuel gas combustion chamber 10 via air lance 2, and regenerated flue gas enters fuel gas combustion chamber via flue gas ventilating duct 5
10, three is layered while lighting burning by altar lamp ignitor assembly 13 into mixing after fuel gas combustion chamber 10.
Heat-resistant lining 16 is equipped on the inner wall of shell 1.Heat-resistant lining 16 can directly construct in 1 bottom of shell and side,
Compared with previous burner, the integrality of furnace body ensure that, significantly reduce difficulty of construction in inner lining of furnace, be greatly improved and set
Standby service life.
Claims (6)
1. a kind of waste heat boiler burner, it is characterised in that: shell (1) including open top and from top to bottom successively set
Horizontal baffle (11) and tilt clapboard (17) in shell (1) inner cavity are set, is located on horizontal baffle (11) in shell (1) inner cavity
The position of side forms fuel gas combustion chamber (10), and the position between horizontal baffle (11) and tilt clapboard (17) forms circulation
Flue gas chamber (12), the position between tilt clapboard (17) and shell (1) bottom wall form air distribution chamber (18), circulating flue gas
Chamber (12) and air distribution chamber (18) are taper；The big end of circulating flue gas chamber (12) is equipped with circulating flue gas inlet tube (3), air
The big end of distribution cavity (18) is equipped with air intake adapter tube (14), and multiple connection circulating flue gas are equipped at intervals on horizontal baffle (11)
The flue gas ventilating duct (5) of chamber (12) and fuel gas combustion chamber (10) is arranged with air spray in any one flue gas ventilating duct (5)
It manages (2), the combustion gas for being passed through combustion gas to fuel gas combustion chamber (10) is also arranged in any one air lance (2)
Rifle (15), the upper end of air lance (2) are connect with the coaxial refractory brick support component (19) being distributed in flue gas ventilating duct (5),
The refractory brick component (20) being connected in a tubular form and with air lance (2), air spray are additionally provided in refractory brick support component (19)
The lower end of pipe (2) is connected on tilt clapboard (17) and is connected to air distribution chamber (18), in the muzzle position of burning air gun (15)
Altar lamp ignitor assembly (13) are installed.
2. a kind of waste heat boiler burner according to claim 1, it is characterised in that: the muzzle of burning air gun (15) is set
It sets in refractory brick component (20).
3. a kind of waste heat boiler burner according to claim 2, it is characterised in that: in burning air gun (15) muzzle position
Air nozzle (8) are equipped between the outer wall set and the inner wall of refractory brick component (20), in the interior of burning air gun (15) muzzle position
Wall is equipped with burning gas jets (9).
4. a kind of waste heat boiler burner according to claim 1, it is characterised in that: in the outer wall of burning air gun (15)
Multiple gussets (4) for being used to support burning air gun (15) are equipped at intervals between the inner wall of air lance (2).
5. a kind of waste heat boiler burner according to claim 1, it is characterised in that: in fuel gas combustion chamber (10)
Peephole (7) and fire inspection detector (6) are from top to bottom successively arranged on side wall.
6. a kind of waste heat boiler burner according to claim 1, it is characterised in that: set on the inner wall of shell (1)
There are heat-resistant lining (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821166124.7U CN208475327U (en) | 2018-07-23 | 2018-07-23 | A kind of waste heat boiler burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821166124.7U CN208475327U (en) | 2018-07-23 | 2018-07-23 | A kind of waste heat boiler burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208475327U true CN208475327U (en) | 2019-02-05 |
Family
ID=65208225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821166124.7U Active CN208475327U (en) | 2018-07-23 | 2018-07-23 | A kind of waste heat boiler burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208475327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094654A (en) * | 2020-08-14 | 2020-12-18 | 陕西煤业化工集团神木天元化工有限公司 | Hot-blast furnace and have its coal pyrolysis device |
-
2018
- 2018-07-23 CN CN201821166124.7U patent/CN208475327U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094654A (en) * | 2020-08-14 | 2020-12-18 | 陕西煤业化工集团神木天元化工有限公司 | Hot-blast furnace and have its coal pyrolysis device |
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