CN205299459U - Steam generator's negative combustion system - Google Patents
Steam generator's negative combustion system Download PDFInfo
- Publication number
- CN205299459U CN205299459U CN201520917662.5U CN201520917662U CN205299459U CN 205299459 U CN205299459 U CN 205299459U CN 201520917662 U CN201520917662 U CN 201520917662U CN 205299459 U CN205299459 U CN 205299459U
- Authority
- CN
- China
- Prior art keywords
- combustion
- negative
- steam generator
- air
- bin
- 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.)
- Expired - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 85
- 239000000446 fuel Substances 0.000 claims abstract description 16
- 239000000567 combustion gas Substances 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 238000010304 firing Methods 0.000 abstract description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003546 flue gas Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- GBIHOLCMZGAKNG-UHFFFAOYSA-N flucythrinate Chemical compound C=1C=C(OC(F)F)C=CC=1C(C(C)C)C(=O)OC(C#N)C(C=1)=CC=CC=1OC1=CC=CC=C1 GBIHOLCMZGAKNG-UHFFFAOYSA-N 0.000 abstract 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
- 150000002500 ions Chemical class 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000012913 prioritisation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005276 aerator Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000004047 hole gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to a combustion system. Steam generator's negative combustion system, including a combustion chamber, combustion chamber upper portion is equipped with a flue gas pipeline, at flue gas pipeline's afterbody, adds and is equipped with an air exhauster, open the combustion chamber lower part has a pay -off mouth of adding fuel, has still opened an air inlet in the combustion chamber lower part, and the pay -off mouth is connected with the gas air duct, and air inlet is connected with the air air duct, steam generator's negative combustion system still is equipped with a pressure sensor. Can show the inside pressure value of combustion chamber through pressure sensor. When fuel burns, to take out fan power through artificial regulation and realize that the depressurized environment in the combustion chamber forms negative -pressure firing, the negative -pressure firing state can make the better entering combustion chamber of air, lets fuel fully burn, reduces the harmful substance in the flue gas that discharges when practicing thrift the energy consumption, discharges to reach the environmental protection requirement totally. And negative -pressure firing can stall by to prevent accidental, compares in the pressurized firing safelyr.
Description
Technical field
This utility model relates to thermodynamics field, particularly relates to combustion system.
Background technology
Traditional combustion bin is typically all pressure-fired, mainly through the aerator of combustion bin, gives the oxygen that burning offer is enough, makes full combustion of fuel to improve efficiency of combustion. This design is used for the combustion system that fuel is fuel oil or combustion gas. But, often this traditional design, the air of feeding can take away a part of fuel, produces the waste to fuel, if blow rate required conference causes incomplete combustion, causes that the flue gas discharged has the harmful substance such as CO and nitrogen oxides, welding.
Negative-pressure firing refers generally to the pressure burning less than atmospheric pressure of combustion bin.
Utility model content
The purpose of this utility model is in that to provide the negative combustion system of steam generator, to solve at least one technical problem above-mentioned.
This utility model is solved the technical problem that to realize by the following technical solutions:
The negative combustion system of steam generator, including a combustion bin, described combustion bin top is provided with a flue, it is characterised in that at the afterbody of described flue, adds an air exhauster;
Described combustion bin bottom has the feeding port of an addition fuel, also has at least one air inlet in described combustion bin bottom, and described feeding port is connected to combustion gas airway, and described air inlet is connected to air airway;
The negative combustion system of steam generator is additionally provided with a pressure detecting instrument, and the induction end of described pressure detecting instrument is positioned at combustion bin, and the display end of described pressure detecting instrument is positioned at outside combustion bin.
The pressure value within combustion bin can be shown by pressure detecting instrument. When fuel combustion, the subnormal ambient realizing in combustion bin by artificially regulating air exhauster power forms negative-pressure firing, negative-pressure firing state can make air better enter combustion bin, form the burning situation of an oxygen enrichment, allow full combustion of fuel, the harmful substance of the CO in the flue gas of emissions-reducing and nitrogen oxides while energy efficient, discharge of poisonous waste of the present utility model is fully achieved environmental requirement.And, negative-pressure firing is possible to prevent accident extinguishing, safer compared to pressurized firing.
Described combustion bin is provided with the thermal insulation board of coating heat insulating reflecting material. This utility model is provided with thermal insulation board, effectively blocks the heat radiation to peripheral environment, optimizes working environment, and heat insulating reflecting material can reflect heat simultaneously, makes heat be rapidly achieved a required standard.
As a kind of prioritization scheme, being provided with a pressure transducer inside described combustion bin, described pressure transducer connects a controller, and described controller connects described air exhauster. Utilize the pressure in pressure transducer sensing combustion bin, as the feedback signal under a duty, and then by the rate of air sucked in required of controller control air exhauster, continue to maintain pressure, air exhauster is protected, it is ensured that safe operation.
Being provided with a dividing plate inside described combustion bin, described dividing plate is provided with equally distributed multiple through hole, and described combustion gas airway, described air airway are arranged in below described dividing plate, and described combustion gas airway and described air airway are cross-linked the plurality of through hole. Air and combustion gas are sufficiently mixed, and combustion efficiency is good, not only saves carbon monoxide and the content of nitrogen oxides that fuel improves efficiency but also reduces in aerofluxus, plays the effect of protection environment.
Described combustion bin upper surface is the cambered surface of a depression. Needed for adopting cambered surface more to fit, the tubular water tank of heating, adds contact area simultaneously, improves heat-exchange capacity.
The inside of described combustion bin is additionally provided with an ion blowout protection system, and when combustion bin flame is extinguished suddenly due to accidental cause, ion blowout protection system is made a response in time, cuts off combustion gas input, guarantees personal safety.
Described combustion bin upper surface is additionally provided with a temperature sensor, and described temperature sensor connects a controller, and described controller connects an electromagnetic valve, and described electromagnetic valve is arranged on the combustion gas airway at feeding port place. When combustion bin upper surface is heated to excessive temperature, broken down by the visible heat exchange of this temperature, close electromagnetic valve for preventing dangerous item station device, cut off combustion gas and enter, reduce operation risk.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and effect and be easy to understand, this utility model is expanded on further below in conjunction with being specifically illustrating.
With reference to Fig. 1, the negative combustion system of steam generator, including a combustion bin 2, combustion bin 2 top is provided with a flue, at the afterbody of flue, adds an air exhauster 1; Combustion bin 2 bottom has the feeding port 4 of an addition fuel, also has at least one air inlet 5 in combustion bin 2 bottom, and feeding port 4 is connected to combustion gas airway, and air inlet 5 is connected to air airway; The negative combustion system of steam generator is additionally provided with a pressure detecting instrument 3. The pressure value within combustion bin 2 can be shown by pressure detecting instrument 3. When fuel combustion, the subnormal ambient realizing in combustion bin 2 by artificially regulating air exhauster 1 power forms negative-pressure firing, negative-pressure firing state can make air better enter combustion bin 2, form the burning situation of an oxygen enrichment, allow full combustion of fuel, the harmful substance of the CO in the flue gas of emissions-reducing and nitrogen oxides while energy efficient, discharge of poisonous waste of the present utility model is fully achieved environmental requirement. And, negative-pressure firing is possible to prevent accident extinguishing, safer compared to pressurized firing.
Combustion bin 2 is provided with the thermal insulation board of coating heat insulating reflecting material. This utility model is provided with thermal insulation board, effectively blocks the heat radiation to peripheral environment, optimizes working environment, and heat insulating reflecting material can reflect heat simultaneously, makes heat be rapidly achieved a required standard. As a kind of prioritization scheme, combustion bin 2 is internal is provided with a pressure transducer, and pressure transducer connects a controller, and controller connects air exhauster 1. Utilize the pressure in pressure transducer sensing combustion bin 2, as the feedback signal under a duty, and then by the rate of air sucked in required of controller control air exhauster 1, continue to maintain pressure, air exhauster 1 is protected, it is ensured that safe operation. Combustion bin 2 is internal is provided with a dividing plate, and dividing plate is provided with equally distributed multiple through hole, and combustion gas airway, air airway are arranged in below dividing plate, and combustion gas airway and air airway are cross-linked multiple through hole. Air and combustion gas are sufficiently mixed, and combustion efficiency is good, not only saves carbon monoxide and the content of nitrogen oxides that fuel improves efficiency but also reduces in aerofluxus, plays the effect of protection environment.
Combustion bin 2 upper surface is the cambered surface of a depression. Needed for adopting cambered surface more to fit, the tubular water tank of heating, adds contact area simultaneously, improves heat-exchange capacity. The inside of combustion bin 2 is additionally provided with an ion blowout protection system, and when combustion bin 2 flame is extinguished suddenly due to accidental cause, ion blowout protection system is made a response in time, cuts off combustion gas input, guarantees personal safety. Combustion bin 2 upper surface is additionally provided with a temperature sensor, and temperature sensor connects a controller, and controller connects an electromagnetic valve, and electromagnetic valve is arranged on the combustion gas airway at feeding port 4 place. When combustion bin 2 upper surface is heated to excessive temperature, broken down by the visible heat exchange of this temperature, close electromagnetic valve for preventing dangerous item station device, cut off combustion gas and enter, reduce operation risk.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described. Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model. This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (7)
1. the negative combustion system of steam generator, including a combustion bin, described combustion bin top is provided with a flue, it is characterised in that at the afterbody of described flue, adds an air exhauster;
Described combustion bin bottom has the feeding port of an addition fuel, also has at least one air inlet in described combustion bin bottom, and described feeding port is connected to combustion gas airway, and described air inlet is connected to air airway;
The negative combustion system of steam generator is additionally provided with a pressure detecting instrument, and the induction end of described pressure detecting instrument is positioned at combustion bin, and the display end of described pressure detecting instrument is positioned at outside combustion bin.
2. the negative combustion system of steam generator according to claim 1, it is characterised in that described combustion bin is provided with the thermal insulation board of coating heat insulating reflecting material.
3. the negative combustion system of steam generator according to claim 1, it is characterised in that be provided with a pressure transducer inside described combustion bin, described pressure transducer connects a controller, and described controller connects described air exhauster.
4. the negative combustion system of steam generator according to claim 1, it is characterized in that, a dividing plate it is provided with inside described combustion bin, described dividing plate is provided with equally distributed multiple through hole, described combustion gas airway, described air airway are arranged in below described dividing plate, and described combustion gas airway and described air airway are cross-linked the plurality of through hole.
5. the negative combustion system of steam generator according to claim 1, it is characterised in that described combustion bin upper surface is the cambered surface of a depression.
6. the negative combustion system of steam generator according to claim 1, it is characterised in that the inside of described combustion bin is additionally provided with an ion blowout protection system.
7. the negative combustion system of steam generator according to claim 1, it is characterized in that, described combustion bin upper surface is additionally provided with a temperature sensor, described temperature sensor connects a controller, described controller connects an electromagnetic valve, and described electromagnetic valve is arranged on the combustion gas airway at feeding port place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917662.5U CN205299459U (en) | 2015-11-17 | 2015-11-17 | Steam generator's negative combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917662.5U CN205299459U (en) | 2015-11-17 | 2015-11-17 | Steam generator's negative combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205299459U true CN205299459U (en) | 2016-06-08 |
Family
ID=56439110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520917662.5U Expired - Fee Related CN205299459U (en) | 2015-11-17 | 2015-11-17 | Steam generator's negative combustion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205299459U (en) |
-
2015
- 2015-11-17 CN CN201520917662.5U patent/CN205299459U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160608 |