CN208475347U - Low nitrogen high efficient heat exchanging system - Google Patents
Low nitrogen high efficient heat exchanging system Download PDFInfo
- Publication number
- CN208475347U CN208475347U CN201821084626.5U CN201821084626U CN208475347U CN 208475347 U CN208475347 U CN 208475347U CN 201821084626 U CN201821084626 U CN 201821084626U CN 208475347 U CN208475347 U CN 208475347U
- Authority
- CN
- China
- Prior art keywords
- furnace shell
- flue gas
- low nitrogen
- high efficient
- heat exchanging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Air Supply (AREA)
Abstract
The utility model discloses a kind of low nitrogen high efficient heat exchanging systems, it includes the burner (1) being sequentially connected, incinerator (3), heat exchanger (4) and chimney (5)；Burner (1) is connected with combustion fan (2)；Chimney (5) is connected by circulating fan (6) with burner (1)；Burner (1) is equipped with fuel gas air inlet pipe (1-1), combustion air inlet (1-2) and circulating flue gas entrance (1-3)；Circulating flue gas entrance (1-3) is connected with circulating fan (6)；Incinerator (3) is horizontal twin furnace shell structure.The structure design of the utility model is reasonable, and securely and reliably, heat exchanger heat exchange efficiency is high, and discharged nitrous oxides are low, without secondary pollution, both economically and environmentally beneficial.
Description
Technical field
The utility model relates to a kind of low nitrogen high efficient heat exchanging systems, specifically a kind of to be used for acid regeneration, sour gas
The air preheating systems such as relieving haperacidity.
Background technique
The combustion air of the process requirements high temperature such as domestic acid regeneration, sour gas relieving haperacidity.Hot-air system generally passes through hot wind
Furnace generates high-temperature flue gas and enters back into heat exchanger heat exchange, to obtain the hot-air of high temperature.But conventional hot blast stove system energy consumption is higher,
And nitrogen oxides is exceeded.
Therefore, it is necessary in existing technical foundation, rationally, low energy consumption, and energy for a kind of system design of R & D design
The effectively efficient heat-exchange system of low nitrogen of control nitrogen oxides.
Utility model content
Purpose of utility model: the purpose of the utility model is to provide a kind of low nitrogen high efficient heat exchanging system, the utility model knots
Rationally, securely and reliably, heat exchanger heat exchange efficiency is high, and nitrogen oxides is low for structure design, without secondary pollution, both economically and environmentally beneficial.
Technical solution: in order to achieve the goal above, the utility model adopts the following technical solution:
A kind of low nitrogen high efficient heat exchanging system, it includes the burner being sequentially connected, incinerator, heat exchanger and chimney；Burning
Device is connected with combustion fan；Chimney is connected by circulating fan with burner；
The burner is equipped with fuel gas air inlet pipe, combustion air inlet and circulating flue gas entrance；Circulating flue gas enters
Mouth is connected with circulating fan；
The incinerator is horizontal twin furnace shell structure, is constituted by interior furnace shell is nested with outer furnace shell, interior furnace shell Inner Constitution
Combustion chamber, constitutes chuck layer between interior furnace shell and outer furnace shell, incinerator end is connected with mixing chamber.
Preferably, above-described low nitrogen high efficient heat exchanging system, the outer furnace shell front end are equipped with circulating flue gas
Entrance.
Preferably, above-described low nitrogen high efficient heat exchanging system, the interior furnace shell and outer furnace shell front console
It is overlapped, interior furnace shell and the same central axis of outer furnace shell.The length and radius of interior furnace shell and outer furnace shell can be according to fuel gas, combustion air
Amount, amount of circulating gas and residence Time Calculation.
Preferably, above-described low nitrogen high efficient heat exchanging system, collet between the interior furnace shell and outer furnace shell
The tail portion of layer is equipped with the spinning disk being circularly and evenly distributed.Spinning disk not only acts as the effect of support interior furnace shell and outer furnace shell,
So that cooling wind is rotated into mixing chamber at an angle, enhance mixed effect, improve cooling efficiency, flue gas after burning is effectively reduced
Temperature.
Preferably, above-described low nitrogen high efficient heat exchanging system, the mixing chamber exhanst gas outlet connect air
Heat exchanger smoke inlet, heat exchanger exhanst gas outlet connect chimney, the upper and lower part of heat exchanger be respectively equipped with cool air inlet and
Hot air outlet.
Preferably, above-described low nitrogen high efficient heat exchanging system, the chimney are exported equipped with circulating flue gas, are followed
Ring exhanst gas outlet is connect by circulating fan with circulating flue gas entrance.
It is equipped with cooling air inlet with above-mentioned outer furnace shell front end, cooling air cooling interior furnace shell and outer furnace shell in chuck layer,
Replace refractory material and thermal insulation material, reduces cost.In addition, it is not necessarily to temperature protection when opening furnace blowing out without refractory material,
Can emergency stop suddenly open, convenient for reply emergency situations, increase flexible operation degree.Combustion chamber can guarantee fuel gas burning completely, burns and produces
Raw flue gas enters mixing chamber and is mixed, and is reduced to the temperature that preference temperature enters heat exchanger.
Low nitrogen high efficient heat exchanging system provided by the utility model, practical operation principle are as follows:
The exhaust combustion gases generated in petrochemical enterprise production process introduce burner, are sent into air by air blower and fire
Burner is burned into the combustion chamber in incinerator, and fuel gas ensures completely burned.Circulating flue gas enters furnace by burner
Thorax mixing.Secondary cycle flue gas enters from incinerator body circulation gas inlet, enters as cooling wind through chuck layer and spinning disk
Mixing chamber.Enter mixing chamber, circulating flue gas while cooling interior furnace shell and outer furnace shell with the hot fume generated is burned, instead of fire proofed wood
Material and thermal insulation material save cost, increase flexible operation degree.The hot fume that spinning disk comes out cooling wind and combustion chamber is mixing
Interior is mixed in eddy flow shape, enhances mixed effect.Incinerator makes burner hearth be in operation under positive pressure state by air blower.Mixing chamber is mixed
Conjunction flue gas enters heat exchanger and exchanges heat with cold air.Pass through smoke stack emission after smoke temperature drop.Cold air is heated by heat exchanger
Enter sulphuric acid plant afterwards.
The utility model has the advantages that silicone hydride waste gas incinerating and purifying system provided by the utility model compared to the prior art exist it is following excellent
Point:
Low nitrogen high efficient heat exchanging system provided by the utility model, it is reasonable in design, securely and reliably, exchanger heat efficiency
Height, energy saving of system environmental protection and economy, discharged nitrous oxides are low (being lower than 100mg/Nm3), without secondary pollution, practical.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of low nitrogen high efficient heat exchanging system provided by the utility model.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model, after having read the utility model, art technology
Personnel fall within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
As shown in Figure 1, a kind of low nitrogen high efficient heat exchanging system, it includes the burner 1 being sequentially connected, incinerator 3, heat exchanger
4 and chimney 5；Burner 1 is connected with combustion fan 2；Chimney 5 is connected by circulating fan 6 with burner 1；
The burner 1 is equipped with fuel gas air inlet pipe 1-1, combustion air inlet 1-2 and circulating flue gas entrance 1-3；
Circulating flue gas entrance 1-3 is connected with circulating fan 6；
The incinerator 3 is horizontal twin furnace shell structure, is constituted by interior furnace shell 3-1 is nested with outer furnace shell 3-2, interior furnace shell 3-
1 Inner Constitution combustion chamber 3-4 constitutes chuck layer 3-6,3 end of incinerator and mixing chamber between interior furnace shell 3-1 and outer furnace shell 3-2
3-5 is connected.The front end outer furnace shell 3-2 is equipped with circulating flue gas entrance 3-3.
Above-described low nitrogen high efficient heat exchanging system, the interior furnace shell 3-1 and outer furnace shell 3-2 front console are overlapped, interior
Furnace shell 3-1 and the same central axis of outer furnace shell 3-2.The tail portion of chuck layer 3-6 is equipped between the interior furnace shell 3-1 and outer furnace shell 3-2
The spinning disk 3-7 being circularly and evenly distributed.
Above-described low nitrogen high efficient heat exchanging system, the mixing chamber 3-5 exhanst gas outlet connect air heat exchanger flue gas
Entrance 4-4, heat exchanger exhanst gas outlet 4-3 connection chimney 5, the upper and lower part of heat exchanger be respectively equipped with cool air inlet 4-1 and
Hot air outlet 4-2.
Above-described low nitrogen high efficient heat exchanging system, the chimney 5 are equipped with circulating flue gas and export 5-1, and circulating flue gas goes out
Mouth 5-1 is connect by circulating fan 6 with circulating flue gas entrance 3-3.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of low nitrogen high efficient heat exchanging system, which is characterized in that it includes the burner (1) being sequentially connected, incinerator (3), changes
Hot device (4) and chimney (5)；Burner (1) is connected with combustion fan (2)；Chimney (5) passes through circulating fan (6) and burner (1)
It is connected；
The burner (1) is equipped with fuel gas air inlet pipe (1-1), combustion air inlet (1-2) and circulating flue gas entrance (1-
3)；Circulating flue gas entrance (1-3) is connected with circulating fan (6)；
The incinerator (3) is horizontal twin furnace shell structure, is constituted by interior furnace shell (3-1) is nested with outer furnace shell (3-2), interior furnace shell
(3-1) Inner Constitution combustion chamber (3-4) constitutes chuck layer (3-6) between interior furnace shell (3-1) and outer furnace shell (3-2), incinerator
(3) end is connected with mixing chamber (3-5).
2. low nitrogen high efficient heat exchanging system according to claim 1, which is characterized in that described front end outer furnace shell (3-2) is set
There is circulating flue gas entrance (3-3).
3. low nitrogen high efficient heat exchanging system according to claim 1, which is characterized in that the interior furnace shell (3-1) and outer furnace
Shell (3-2) front console is overlapped, interior furnace shell (3-1) and outer furnace shell (3-2) same to central axis.
4. low nitrogen high efficient heat exchanging system according to claim 1, which is characterized in that the interior furnace shell (3-1) and outer furnace
The tail portion of chuck layer (3-6) is equipped with the spinning disk (3-7) being circularly and evenly distributed between shell (3-2).
5. low nitrogen high efficient heat exchanging system according to claim 4, which is characterized in that described mixing chamber (3-5) flue gas goes out
Mouth connection air heat exchanger smoke inlet (4-4), heat exchanger exhanst gas outlet (4-3) connect chimney (5), and the top of heat exchanger is under
Portion is respectively equipped with cool air inlet (4-1) and hot air outlet (4-2).
6. low nitrogen high efficient heat exchanging system according to claim 2, which is characterized in that the chimney (5) is equipped with circulation cigarette
Gas exports (5-1), and circulating flue gas outlet (5-1) is connect by circulating fan (6) with circulating flue gas entrance (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821084626.5U CN208475347U (en) | 2018-07-09 | 2018-07-09 | Low nitrogen high efficient heat exchanging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821084626.5U CN208475347U (en) | 2018-07-09 | 2018-07-09 | Low nitrogen high efficient heat exchanging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208475347U true CN208475347U (en) | 2019-02-05 |
Family
ID=65209934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821084626.5U Active CN208475347U (en) | 2018-07-09 | 2018-07-09 | Low nitrogen high efficient heat exchanging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208475347U (en) |
-
2018
- 2018-07-09 CN CN201821084626.5U patent/CN208475347U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204554840U (en) | A kind of industrial waste gas combustion apparatus | |
| CN205717142U (en) | Biomass double furnace thorax gas-steam boiler and combustion system thereof | |
| CN208901632U (en) | A kind of energy-saving hot air stove | |
| CN208475347U (en) | Low nitrogen high efficient heat exchanging system | |
| CN208038322U (en) | A kind of lime shaft kiln cooling air cyclic utilization system | |
| CN107860011B (en) | Carbon black tail gas incineration boiler with carbon black drying waste gas treatment function | |
| CN109912188A (en) | A kind of combustion-type glass tempering heating device and operating method | |
| CN202082947U (en) | Environment-friendly energy-saving heating furnace device | |
| CN215259784U (en) | Combustion system for reducing emission of nitrogen oxides by utilizing flue gas external circulation | |
| CN108759084A (en) | A kind of energy-saving hot air stove | |
| CN209840076U (en) | Flue gas extrinsic cycle formula NOX reduces discharging structure | |
| CN101726111A (en) | Non-premixing inverted condensing gas water heater | |
| CN204534546U (en) | Biomass boiler environmental protection and energy saving control system | |
| CN209054543U (en) | A kind of more return structures gas-steam boilers | |
| CN2700772Y (en) | Indirect heat transferred hot-blast stove with high temperature and high efficiency | |
| CN210568460U (en) | Energy-saving second grade denitration incinerator | |
| CN201090955Y (en) | Condensing type gas heating water boiler | |
| CN206113007U (en) | High -efficient low heating stove of arranging | |
| CN204574463U (en) | A kind of heating stove | |
| CN208312708U (en) | A kind of inner-tube structure of energy-saving hot water stove | |
| CN215809285U (en) | High-efficient living beings boiler | |
| CN201945016U (en) | Split type atmospheric pressure boiler | |
| CN219559233U (en) | Flue gas heating treatment system after wet desulfurization | |
| CN209744402U (en) | NOx emission reduction structure based on water-exchange energy-saving system | |
| CN108413417A (en) | A kind of rotary RTO accumulation of heats incinerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |