CN206207419U - The built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus - Google Patents
The built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus Download PDFInfo
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- CN206207419U CN206207419U CN201621173880.3U CN201621173880U CN206207419U CN 206207419 U CN206207419 U CN 206207419U CN 201621173880 U CN201621173880 U CN 201621173880U CN 206207419 U CN206207419 U CN 206207419U
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- nozzles
- outer tube
- flue gas
- pipe
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Abstract
The utility model is related to a kind of built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus; taper nozzles including burning combustible gas; the internal lining pipe of fuel gas is provided, the air conducting cone of internal lining pipe, the bellows for covering the outer tube of air conducting cone and being connected with outer tube is covered.Wherein, one end of the outer tube is tightly connected with taper nozzles, the other end of outer tube is connected with the side of bellows, air conducting cone is connected with the opposite side of bellows, air conducting cone is provided with air holes, and spinning disk is provided between air conducting cone and outer tube, and ring pipe is provided between internal lining pipe and air conducting cone, ring pipe is provided with small spray orifice, and water vapour reaches taper nozzles by the small spray orifice on ring pipe.Compared with prior art, the present apparatus increased the service life of internal lining pipe, solve the problems, such as liner inside pipe wall coking and blocking.Also, the calorific value of biological flue gas is improve, the discharge of nitrogen oxides is reduced.
Description
Technical field
The utility model relates to specifically related to a kind of built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus.
Background technology
Biomass boiler is mainly with biomass as raw material, and fuel gas is obtained by pyrolytic gasification, then by fuel gas
Fully burning, is used to using providing the energy.However, during the fuel gas in internal lining pipe carries out combustion process in fuel gas nozzle,
Because temperature is too high, internal lining pipe deformation is frequently resulted in, internal lining pipe service life is short.Also, combustion process can produce poisonous nitrogen
Oxide, causes environmental pollution.
Utility model content
For the too high caused internal lining pipe deformation of ignition temperature in above-mentioned background, internal lining pipe service life is short, burning is produced
Poisonous nitrogen oxides and the low problem of fuel gas calorific value, the utility model provide a kind of built-in steaming of biological flue gas nozzles
Vapour is protected and low nitrogen reduction apparatus.
The purpose of this utility model is achieved through the following technical solutions：The built-in steam protection of biological flue gas nozzles and low nitrogen are also
Original device, including burning combustible gas taper nozzles, there is provided the internal lining pipe of fuel gas, cover the air conducting of internal lining pipe
Cone, the bellows for covering the outer tube of air conducting cone and being connected with outer tube, wherein, one end and the taper fire of the outer tube
Mouth is tightly connected, and the other end of outer tube is connected with the side of bellows, and air conducting cone is connected with the opposite side of bellows, and air is led
Flow cone is provided with air holes, and in bellows a combustion air enters into taper nozzles by air holes, air conducting cone and outer tube it
Between be provided with spinning disk, the secondary combustion-supporting wind in bellows enters into taper nozzles by spinning disk, and internal lining pipe and air conducting bore it
Between be provided with ring pipe, ring pipe is provided with small spray orifice, and water vapour reaches taper nozzles by the small spray orifice on ring pipe.
Preferably, the described built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus, the ring pipe is provided with
Impartial small spray orifice, water vapour reaches taper nozzles by the small spray orifice of ring pipe.
Preferably, the described built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus, connects on the ring pipe
There is steam pipe, water vapour is entered into ring pipe by steam pipe.
Preferably, the described built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus, the steam pipe is provided with
Regulating valve, by the flow of governor valve control water vapour.
Preferably, the described built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus, the air holes is located at taper
Between nozzles and ring pipe, air holes is symmetrical above and below to be arranged on air conducting cone.
Preferably, the described built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus, the spinning disk is provided with and inclines
Angle, the secondary combustion-supporting wind in bellows is tangentially flowed into taper nozzles by spinning disk.
Preferably, the described built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus, one end of the outer tube
Flange is provided with, one end of outer tube is tightly connected by flange with taper nozzles.
Preferably, the described built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus, one end of the outer tube
Sealing gasket is accompanied between taper nozzles, be tightly connected for outer tube, taper nozzles and sealing gasket three by flange.
Preferably, the described built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus, the flange is symmetrical above and below
Two are set, respectively outer tube, taper nozzles and sealing gasket three is tightly connected.
The utility model has the following advantages and effect relative to prior art：
(1) the utility model provides a kind of built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus, in liner
Ring pipe is provided between pipe and air conducting cone, water vapour reaches taper nozzles, be used to cool down internal lining pipe, prevents by ring pipe
Internal lining pipe deforms because high-temperature flue gas are radiated, and increased the service life of internal lining pipe.
(2) in addition, the lime-ash of liner inside pipe wall is due to the drastically cooling explosion by water vapour in ring pipe, from inwall
Split away off, flowed with fuel gas, solve the problems, such as liner inside pipe wall coking and blocking.
(3) fuel gas carries out the carbon of anoxycausis precipitation under the high temperature conditions with ring pipe out in taper nozzles
Water vapour is decomposed reaction, generates " water-gas (CO, H2) ", improve the calorific value of biomass combustible gas.
(4) while, the H in " water-gas "2, CO reducibility gas, by burn produce nitrogen oxides be reduced into nitrogen, subtract
The discharge of toxic gas nitrogen oxides is lacked.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is one embodiment of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the sectional view of the built-in steam protection of the utility model biological flue gas nozzles and low nitrogen reduction apparatus.
Fig. 2 is the structural representation of the built-in steam protection of the utility model biological flue gas nozzles and low nitrogen reduction apparatus ring pipe
Figure.
In figure：1 taper nozzles；2 internal lining pipes；3 air conductings are bored, 31 air holes；4 outer tubes, 41 flanges, 42 sealing gaskets；5 wind
Case；6 spinning disks；7 ring pipes, 71 steam pipes, 72 regulating valves, 73 small spray orifices.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only the utility model one embodiment, rather than whole realities
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of the utility model protection.
The built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus, including burning combustible gas taper nozzles 1, carry
For the internal lining pipe 2 of fuel gas, cover the air conducting cone 3 of internal lining pipe 2, cover air conducting cone 3 outer tube 4 and with it is outer
Sleeve pipe 4 connection bellows 5, wherein, one end and the taper nozzles 1 of the outer tube 4 are tightly connected, the other end of outer tube 4 and
The side connection of bellows 5, air conducting cone 3 is connected with the opposite side of bellows 5, and air conducting cone 3 is provided with air holes 31, bellows 5
In a combustion air taper nozzles 1 are entered into by air holes 31, be provided with spinning disk 6 between air conducting cone 3 and outer tube 4,
Secondary combustion-supporting wind in bellows 5 enters into taper nozzles 1 by spinning disk 6, and ring is provided between internal lining pipe 2 and air conducting cone 3
Shape pipe 7, water vapour reaches taper nozzles 1 by ring pipe 7, and ring pipe is provided with small spray orifice 73, and water vapour is by ring pipe
Small spray orifice 73 reach taper nozzles 1.
The air holes 31 is located between taper nozzles 1 and ring pipe 7, and air holes 31 is symmetrical above and below to be arranged on air conducting cone 3
On.
One end of the outer tube 4 is provided with flange 41, and one end of outer tube 4 is sealed with taper nozzles 1 by flange 41 and connected
Connect.Accompany sealing gasket 42 between one end of the outer tube 4 and taper nozzles 1, flange 41 is by outer tube 4, taper nozzles 1 and close
The three of packing 42 is tightly connected.The flange 42 is symmetrical above and below to set two, respectively by outer tube 4, taper nozzles 1 and sealing gasket
42 threes are tightly connected.
The spinning disk 6 is provided with inclination angle, and the secondary combustion-supporting wind in bellows 5 is tangentially flowed into taper nozzles by spinning disk 6
1。
Steam pipe 71 is communicated with the ring pipe 7, water vapour is entered into ring pipe 7 by steam pipe 71.The steaming
Steam pipe 71 is provided with regulating valve 72, and the flow of water vapour is controlled by regulating valve 72.Impartial small spray is additionally provided with the ring pipe 7
Hole 73, water vapour reaches taper nozzles 1 by small spray orifice 73.
During work, the fuel gas of pyrolysis enters into fuel gas nozzle 1 by internal lining pipe 2, in the presence of a combustion air,
Fuel gas carries out the products such as anoxycausis, generation carbon or carbon monoxide.Meanwhile, regulating valve 72 is opened, water vapour is by steaming
Steam pipe 71 flows through ring pipe 7, then by small spray orifice 73 as combustion air enters into fuel gas nozzle 1.Water vapour is decomposed instead with carbon
Should, generate water-gas.Then, under secondary combustion-supporting wind action, water-gas burns away, and ultimately generates carbon dioxide.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (9)
1. the built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus, it is characterised in that：Cone including burning combustible gas
Shape nozzles, there is provided the internal lining pipe of fuel gas, cover internal lining pipe air conducting cone, cover air conducting cone outer tube and
The bellows being connected with outer tube, wherein, one end and the taper nozzles of the outer tube are tightly connected, the other end and wind of outer tube
The side connection of case, air conducting cone is connected with the opposite side of bellows, and air conducting cone is provided with air holes, once helping in bellows
Combustion wind enters into taper nozzles by air holes, is provided with spinning disk between air conducting cone and outer tube, the secondary combustion-supporting in bellows
Wind enters into taper nozzles by spinning disk, and ring pipe is provided between internal lining pipe and air conducting cone, and ring pipe is provided with small spray
Hole, water vapour reaches taper nozzles by the small spray orifice on ring pipe.
2. the built-in steam protection of biological flue gas nozzles according to claim 1 and low nitrogen reduction apparatus, it is characterised in that：Institute
State ring pipe and be provided with impartial small spray orifice, water vapour reaches taper nozzles by the small spray orifice on ring pipe.
3. the built-in steam protection of biological flue gas nozzles according to claim 1 and low nitrogen reduction apparatus, it is characterised in that：Institute
State and steam pipe is communicated with ring pipe, water vapour is entered into ring pipe by steam pipe.
4. the built-in steam protection of biological flue gas nozzles according to claim 3 and low nitrogen reduction apparatus, it is characterised in that：Institute
State steam pipe and be provided with regulating valve, by the flow of governor valve control water vapour.
5. the built-in steam protection of biological flue gas nozzles according to claim 1 and low nitrogen reduction apparatus, it is characterised in that：Institute
State air holes to be located between taper nozzles and ring pipe, air holes is symmetrical above and below to be arranged on air conducting cone.
6. the built-in steam protection of biological flue gas nozzles according to claim 1 and low nitrogen reduction apparatus, it is characterised in that：Institute
State spinning disk and be provided with inclination angle, the secondary combustion-supporting wind in bellows is tangentially flowed into taper nozzles by spinning disk.
7. the built-in steam protection of biological flue gas nozzles according to claim 1 and low nitrogen reduction apparatus, it is characterised in that：Institute
The one end for stating outer tube is provided with flange, and one end of outer tube is tightly connected by flange with taper nozzles.
8. the built-in steam protection of biological flue gas nozzles according to claim 7 and low nitrogen reduction apparatus, it is characterised in that：Institute
State and sealing gasket is accompanied between one end of outer tube and taper nozzles, flange seals outer tube, taper nozzles and sealing gasket three
Connection.
9. the built-in steam protection of biological flue gas nozzles according to claim 8 and low nitrogen reduction apparatus, it is characterised in that：Institute
Flange setting two symmetrical above and below is stated, respectively outer tube, taper nozzles and sealing gasket three is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621173880.3U CN206207419U (en) | 2016-11-02 | 2016-11-02 | The built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621173880.3U CN206207419U (en) | 2016-11-02 | 2016-11-02 | The built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus |
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| CN206207419U true CN206207419U (en) | 2017-05-31 |
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| CN201621173880.3U Active CN206207419U (en) | 2016-11-02 | 2016-11-02 | The built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702117A (en) * | 2017-10-30 | 2018-02-16 | 北京航化节能环保技术有限公司 | A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion |
| CN111425853A (en) * | 2019-01-10 | 2020-07-17 | 宝山钢铁股份有限公司 | Coke oven gas ignition device |
| CN111810953A (en) * | 2020-07-17 | 2020-10-23 | 北京泷涛环境科技有限公司 | Self-adjusting steam humidification low-nitrogen integrated combustion device and method thereof |
-
2016
- 2016-11-02 CN CN201621173880.3U patent/CN206207419U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702117A (en) * | 2017-10-30 | 2018-02-16 | 北京航化节能环保技术有限公司 | A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion |
| CN107702117B (en) * | 2017-10-30 | 2023-11-14 | 北京航化节能环保技术有限公司 | Combustor for preparing reducing gas by secondary stoichiometric burning |
| CN111425853A (en) * | 2019-01-10 | 2020-07-17 | 宝山钢铁股份有限公司 | Coke oven gas ignition device |
| CN111810953A (en) * | 2020-07-17 | 2020-10-23 | 北京泷涛环境科技有限公司 | Self-adjusting steam humidification low-nitrogen integrated combustion device and method thereof |
| CN111810953B (en) * | 2020-07-17 | 2022-05-03 | 北京泷涛环境科技有限公司 | Self-adjusting steam humidification low-nitrogen integrated combustion device and method thereof |
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