CN209575815U - A kind of FGR low nitrogen burning thermal - Google Patents
A kind of FGR low nitrogen burning thermal Download PDFInfo
- Publication number
- CN209575815U CN209575815U CN201920136197.XU CN201920136197U CN209575815U CN 209575815 U CN209575815 U CN 209575815U CN 201920136197 U CN201920136197 U CN 201920136197U CN 209575815 U CN209575815 U CN 209575815U
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- CN
- China
- Prior art keywords
- fgr
- low nitrogen
- nitrogen burning
- gas
- smoke backflow
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Abstract
The utility model belongs to combustor technical field, is concretely related to a kind of FGR low nitrogen burning thermal.Its main technical schemes: including with heat engine structure, FGR low nitrogen burning mechanism and the smoke backflow mechanism being set between the exhanst gas outlet of the heat engine structure and FGR low nitrogen burning mechanism；Flue gas condensing water separator structure is provided with smoke backflow mechanism and FGR low nitrogen burning are inter-agency, the gas outlet which is provided with the gas inlet connecting with smoke backflow mechanism and connect with FGR low nitrogen burning mechanism.The FGR low nitrogen burning thermal can efficiently separate condensed water in backflow flue gas, effectively overcome condensed water to extend its service life to the corrosion and damage of burning thermal, while also having the characteristics that strengthen burning stability.
Description
Technical field
The utility model belongs to combustor technical field, is concretely related to a kind of FGR low nitrogen burning thermal.
Background technique
Heat-conducting oil furnace, Industrial Stoves or hot-blast stove including boiler etc. have the use heat engine structure combustion process of combustion chamber
The exhaust gas of middle generation is one of air major pollutants, and wherein NOx (oxynitrides) has human health and ecological environment
Very big harm, therefore be of great significance to the transformation of the low nitrogen of heating equipment burner.General traditional combustion machine NOx tail gas content
In 100-150mg, GFR combustor due to the introducing of smoke backflow, in tail gas of discharging fume NOx content can control 50mg hereinafter,
But condensed water can be generated in smoke backflow pipe, so influence GFR (smoke backflow) combustor normal work and can be to burning
Mechanism generates corrosion, influences its service life.
Utility model content
The purpose of this utility model is just to provide a kind of low nitrogen of novel FGR that can efficiently separate condensed water in backflow flue gas
Thermal is used in burning.
To achieve the above object, the technology employed by the present utility model is
A kind of FGR low nitrogen burning thermal, including with heat engine structure, FGR low nitrogen burning mechanism and it is set to the heat
Smoke backflow mechanism between the exhanst gas outlet and FGR low nitrogen burning mechanism of mechanism；It is characterized by: in the smoke backflow
Mechanism and FGR low nitrogen burning is inter-agency is provided with flue gas condensing water separator structure, the flue gas condensing water separator structure be provided with
The gas inlet of the smoke backflow mechanism connection and the gas outlet being connect with FGR low nitrogen burning mechanism.
Constitute a kind of additional technical feature of above-mentioned FGR low nitrogen burning thermal further include:
--- the gas outlet of the flue gas condensing water separator structure and the combustion fan for constituting FGR low nitrogen burning mechanism
Gas inlet connection；
--- the air inlet of the flue gas condensing water separator structure is connect with the smoke backflow mechanism is constituted.
--- the flue gas condensing water separator structure includes vertical staving, and the vertical staving top is set along its tangential direction
It is equipped with the gas inlet connecting with the smoke backflow mechanism, the vertical staving lower end is arranged liquid accumulating device, is located at the hydrops
Gas radiation shield is set above device, the gas outlet that setting is made of ventilating duct above the corresponding gas radiation shield, the gas outlet with
The gas inlet of FGR low nitrogen burning mechanism is connected to；
--- the gas radiation shield is fixed by the inner wall of bracket and the vertical staving, the radiation shield and vertical barrel
There are condensation water channels between body；
--- the shape of the gas radiation shield is tapered, cone position setting air equalizer opening；
--- the angle R of the smoke backflow pipeline and vertical staving should be equal to or more than 90 degree.
A kind of FGR low nitrogen burning provided by the utility model compared with the existing technology, is had the advantage that with thermal
First, avoiding smoke backflow in the process due to flue gas due to being provided with flue gas condensing water separator structure in smoke backflow mechanism
Temperature declines the condensed water to be formed and enters blower and corrosion and damage, while enhancing the stability of burning；Second, due to above-mentioned cigarette
The structure of air cooling condensate separating mechanism includes vertical staving, and staving top connects smoke backflow mechanism along its tangential direction, and
And liquid accumulating device is arranged in vertical staving lower end, is located above the liquid accumulating device and gas radiation shield is arranged, on the corresponding gas radiation shield
Condensed water in flue gas is separated in centrifugal force, is had by being rotated in vertical barrel body backflow flue gas in side setting gas outlet
There is the characteristics of condensed water good separating effect.
Detailed description of the invention
Fig. 1 is to constitute the utility model FGR low nitrogen burning thermal structural schematic diagram.
Specific embodiment
It is former to a kind of structure of FGR low nitrogen burning thermal provided by the utility model and work with reference to the accompanying drawing
Reason is described in further detail.
It is a kind of structural schematic diagram of FGR low nitrogen burning thermal provided by the utility model referring to Fig. 1.It constitutes
This includes but is not limited to that boiler, heat-conducting oil furnace, Industrial Stoves or hot-blast stove etc. have using for combustion chamber hot with the structure of thermal
Mechanism 1, for the FGR(smoke backflow with heat engine structure combustion heating) low nitrogen burning mechanism 2 and be set to and above-mentioned use heat engine
The smoke backflow mechanism being made of smoke backflow pipeline 4 between the exhanst gas outlet 3 and FGR low nitrogen burning mechanism 2 of structure；It is constituting
The backflow flue gas import of its gas outlet 58 Yu FGR low nitrogen burning mechanism is provided on the smoke backflow pipeline 4 of smoke backflow mechanism
The flue gas condensing water separator structure 5 of 21 connections.I.e. by passing through the cigarette that smoke backflow pipeline 4 flows back with the exhanst gas outlet 3 of heat engine structure
Gas is in reflux course, and since the reduction of pipe temperature will form condensed water, which passes through flue gas condensing water
After separating mechanism 5 separates, the flue gas after isolating condensed water is low by FGR by 5 gas outlet 51 of flue gas condensing water separator structure
The backflow flue gas import 21 of nitrogen combustion mechanism enter the combustion fan air intlet 22 of combustion mechanism and FGR low nitrogen burning mechanism into
The air mixing entered, the fuel that fuel inlet enters enter the burning of burner 23 for constituting FGR low nitrogen burning mechanism to heat engine
Structure is heated.
In constituting a kind of above-mentioned structure of FGR low nitrogen burning thermal,
--- the flue gas condensing water separator structure 5 for constituting the device preferably includes its smoke backflow pipeline along its vertical staving
Top tangential direction core structure connected to it；That is the structure of the separating mechanism 5 includes vertical staving 52, at an upper portion thereof flue gas
Reflux line 4 is connect along the tangential direction of staving 52 with its gas inlet 58, which is arranged liquid accumulating device 53, is located at
Gas radiation shield 54, the gas outlet that setting is made of ventilating duct 55 above the corresponding gas radiation shield are set above the liquid accumulating device
51, which is connected to the gas inlet 21 of above-mentioned FGR low nitrogen burning mechanism.I.e. with the part high-temperature flue gas of heat engine structure by cigarette
Gas outlet 3 is entered by smoke backflow pipeline 4 along a tangential direction in the vertical staving of flue gas condensing water separator structure 5, along its cylinder
Wall is rotated down, its condensed water then comes downwards to the hydrops that bottom is provided with outlet valve 56 along its inner wall under the influence of centrifugal force
In device 53, and isolate the flue gas after condensed water then by ventilating duct 55 through gas outlet enter the flue gas of FGR low nitrogen burning mechanism into
Mouth 21, the air entered afterwards with combustion fan air intlet 22.The fuel that fuel inlet enters, which is mixed into, constitutes the low nitrogen combustion of FGR
It burns in the burner 23 of mechanism and is heated to its cigarette burning to heat engine structure；
--- the gas radiation shield 54 for constituting above-mentioned flue gas condensing water separator structure passes through the inner wall of bracket and vertical staving
It is fixed, it is condensation water channel between radiation shield and vertical staving, is flowed into liquid accumulating device 53 convenient for condensed water；In addition, its radiation shield
For realizing the isolation to the condensed water in liquid accumulating device 53, to prevent the condensed water from rising secondary volatilization with flue gas.
--- in order to improve the treatment effeciency of flue gas, the shape of above-mentioned gas radiation shield 54 is tapered structure, and its cone
Air equalizer opening 57 is arranged in position, balances two-way pressure and mitigates pressure of the flue gas to gas radiation shield 54 of high-speed motion,
Keep equipment operation more stable；
--- it can be rotated down along its inner wall after entering vertical staving 52 for the ease of flue gas, and be conducive to gas-liquid point
From i.e. smoke backflow pipeline (central axis) and vertical staving 52(central axis) angle R should be equal to or more than 90 degree.
--- in constituting above-mentioned apparatus, the backflow flue gas after flue gas condensing water separator structure carries out gas-liquid separation is also
It can directly be connect with the air intlet 22 for the combustion fan for constituting FGR low nitrogen burning mechanism by its gas outlet 51, to realize
GFR combustor is due to the introducing of smoke backflow, and NOx content can control 50mg purpose below in tail gas of discharging fume.
In the structure for constituting the FGR low nitrogen burning thermal, flue gas condensing water separator structure, in addition to above-mentioned by standing
Formula staving and the liquid accumulating device for being set to its lower end, the flue gas that gas radiation shield and ventilating duct above liquid accumulating device are constituted are cold
Outside the structure of condensate separating mechanism, it can also be other separating mechanisms that condensed moisture can be separated out.The condensed moisture is disembarked
The function of structure is exactly to flow back smoke backflow mechanism is introduced by the high-temperature tail gas distributed with the exhanst gas outlet 3 of heat engine structure
Since its temperature reduces in journey, and condensed water is inevitably generated, it should be by generated condensed water and the flue gas drawn point
From.
Claims (7)
1. a kind of FGR low nitrogen burning thermal, including with heat engine structure, FGR low nitrogen burning mechanism and it is set to and described uses heat engine
Smoke backflow mechanism between the exhanst gas outlet and FGR low nitrogen burning mechanism of structure；It is characterized by: in the smoke backflow machine
Structure and FGR low nitrogen burning is inter-agency is provided with flue gas condensing water separator structure, which is provided with and institute
The gas outlet stating the gas inlet of smoke backflow mechanism connection and being connect with FGR low nitrogen burning mechanism.
2. a kind of FGR low nitrogen burning thermal according to claim 1, it is characterised in that: the flue gas condensing water separation
The gas outlet of mechanism is connect with the gas inlet for the combustion fan for constituting FGR low nitrogen burning mechanism.
3. a kind of FGR low nitrogen burning thermal according to claim 1, it is characterised in that: the flue gas condensing water separation
The air inlet of mechanism is connect with the smoke backflow mechanism is constituted.
4. a kind of FGR low nitrogen burning thermal according to claim 1, it is characterised in that: the flue gas condensing water separation
Mechanism includes vertical staving, and the vertical staving top is provided with the cigarette connecting with the smoke backflow mechanism along its tangential direction
Gas import, the vertical staving lower end are arranged liquid accumulating device, are located above the liquid accumulating device and gas radiation shield is arranged, the corresponding gas
The gas inlet of the gas outlet that setting is made of ventilating duct above radiation shield, the gas outlet and FGR low nitrogen burning mechanism connects
It is logical.
5. a kind of FGR low nitrogen burning thermal according to claim 4, it is characterised in that: the gas radiation shield passes through
The inner wall of bracket and the vertical staving is fixed, and there are condensation water channels between the radiation shield and vertical staving.
6. a kind of FGR low nitrogen burning thermal according to claim 4, it is characterised in that: the shape of the gas radiation shield
Shape is tapered, vertex of a cone position setting air equalizer opening.
7. a kind of FGR low nitrogen burning thermal according to claim 4, it is characterised in that: constitute the smoke backflow machine
The smoke backflow pipeline of structure and the angle R of vertical staving should be equal to or more than 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920136197.XU CN209575815U (en) | 2019-01-27 | 2019-01-27 | A kind of FGR low nitrogen burning thermal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920136197.XU CN209575815U (en) | 2019-01-27 | 2019-01-27 | A kind of FGR low nitrogen burning thermal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209575815U true CN209575815U (en) | 2019-11-05 |
Family
ID=68380685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920136197.XU Expired - Fee Related CN209575815U (en) | 2019-01-27 | 2019-01-27 | A kind of FGR low nitrogen burning thermal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209575815U (en) |
-
2019
- 2019-01-27 CN CN201920136197.XU patent/CN209575815U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 Termination date: 20220127 |