CN106247334B - A kind of distributed natural gas heating unit - Google Patents
A kind of distributed natural gas heating unit Download PDFInfo
- Publication number
- CN106247334B CN106247334B CN201610622524.3A CN201610622524A CN106247334B CN 106247334 B CN106247334 B CN 106247334B CN 201610622524 A CN201610622524 A CN 201610622524A CN 106247334 B CN106247334 B CN 106247334B
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- Prior art keywords
- combustion
- gas
- supporting air
- pipeline
- glass metal
- Prior art date
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000010438 heat treatment Methods 0.000 title claims abstract description 38
- 239000003345 natural gas Substances 0.000 title claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 34
- 239000000567 combustion gas Substances 0.000 claims abstract description 31
- 239000011521 glass Substances 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000000446 fuel Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 7
- 238000005554 pickling Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 239000002737 fuel gas Substances 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 210000002381 plasma Anatomy 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/025—Details of the apparatus, e.g. linings or sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
A kind of distributed natural gas heating unit, integrated cabinet lid is provided with above its integrated cabinet, it is internally provided with burner, combustion gas glass metal hose and air passage glass metal hose are connected with burner, combustion gas glass metal hose is connected with gas pipeline, combustion gas automatically controlled stop valve is provided with gas pipeline, air passage glass metal hose is connected with combustion-supporting air supply duct, combustion-supporting air hose automatically controlled stop valve is provided with combustion-supporting air supply duct, gas pipeline and combustion-supporting air supply duct are by fixed plate stationary positioned, connect combustion-supporting air supply duct lower part and be provided with blower duct, gas pipeline top is provided with cable and walks groove, device is internally provided with four burners, the efficiency of heating surface of the present invention is high, cost is low, heating-up temperature is constant.
Description
Technical field
The present invention relates to a kind of distributed natural gas heating unit, liquid is heated in more particularly, to steel wire surface processing
A kind of device, belong to Steel Wire Products Industry technical field.
Background technology
Pickling lines are one of important equipments of whole Production for Steel Wire process, and the quality of acid washing phosphorization directly affects
Drawing speed and the service life for touching son, while steel wire product quality is directly affected, Phosphating Slot, the constant temperature of liming tank and guarantor
Temperature is the important parameter of phosphatization quality, when Phosphating Slot and liming tank mode of heating are heated using steam on existing pickling lines,
Due to steam heating use cost it is larger, steaming plant aging, there is provided steam pressure can not meet produce needs, production process
Middle Phosphating Slot and liming tank temperature fluctuation is larger, and particularly winter steam pressure and temperature are even more that can not meet that acid cleaning process will
Ask, pickling process is serious to constrain whole production process.
For above-mentioned steam heating there are the problem of, designed and developed using novel energy heating equipment, in made of metal
Heated in product processing industry using distributed natural gas heating unit, the efficiency of heating surface is high, and cost is low, handles product quality
It is good.
The content of the invention
The purpose of the invention is to overcome the deficiencies of the prior art and provide a kind of distributed natural gas heating unit, solution
The problems such as certainly existing steam efficiency of heating surface is low, of high cost, groove body temperature is unable to control, temperature is non-constant, processing poor product quality.
The present invention a kind of distributed natural gas heating unit, it by blower duct, integrated cabinet, integrated cabinet lid,
Combustion-supporting air supply duct, combustion gas automatically controlled stop valve, fixed plate, combustion gas glass metal hose, burner, the automatically controlled cut-out of combustion-supporting air hose
Valve, air passage glass metal hose, gas pipeline and cable walk groove composition；Integrated cabinet lid is provided with above integrated cabinet,
Burner is internally provided with, combustion gas glass metal hose and air passage glass metal hose, combustion gas glass gold are connected with burner
Belong to hose to connect with gas pipeline, be provided with combustion gas automatically controlled stop valve on gas pipeline, air passage glass metal hose and combustion-supporting send
Wind pipeline connects, be provided with combustion-supporting air supply duct combustion-supporting air hose automatically controlled stop valve, gas pipeline and combustion-supporting air supply duct by
Fixed plate stationary positioned, connects combustion-supporting air supply duct lower part and is provided with blower duct, gas pipeline top is provided with cable and walks
Groove；
Four heated at high speed burners, each burner structure are provided with altogether inside the distributed day hot gas heating device
Into a fuel element.
The burner is respectively arranged with natural gas import and combustion-supporting air outlet, top in the top both sides of connection flange
Plasma detection device and flame ultraviolet detecting apparatus are provided with, connection flange lower part is provided with two layers of pipeline, and internal layer is combustion
Gas-bearing formation pipeline, outer layer are combustion-supporting air passages, and exit is provided with high-voltage ignition device.
The method of the distributed day hot gas heating device heating, including step is implemented as follows：
（1）The manual total valve of gas distribution station is opened, checks whether each pressure gauge is normal；
（2）Open the manual total valve of intermittent pickling lines natural gas direct combustion heating system combustion gas；
（3）Open big and small fire manually-operated gate；
（4）Operating parameter is set, determines the heating tank temperature value to be reached；
（5）Start operation control system, automated system operation small fire ignition procedure；Combustion-supporting air hose automatically controlled stop valve is opened,
After being purged to combustion-supporting air supply duct and burner, combustion gas automatically controlled stop valve is opened, high-voltage ignition device carries out small fire igniting,
Plasma detection device and the work of flame ultraviolet detecting apparatus at the same time, after the completion of small fire igniting operation, are transferred to big fire fortune automatically
Line program；
（6）After the temperature value for reaching setting, system is transferred to small fire insulation, after temperature is less than lower limit, is transferred to big fire and adds
Heat, circular flow, realizes the constant temperature of heating tank, in igniting and operational process, if a fuel element fray-out of flame, combustion
Atmospheric pressure and to help right air pressure to occur abnormal, system will turn off other three fuel elements, realize safeguard protection.
The power of every group of fuel element of the present invention is 90KW, and inside is made of mutually independent four groups of fuel elements.Steel
Silk Phosphating Slot uses two distribution type day hot gas heating devices, common 720KW.Liming tank uses a distribution type day hot gas heating dress
Put, common 360KW.Any group of fuel element occurs abnormal in combustion process, and system will turn off other fuel elements, realizes
Combustion completion is protected, can be according to actual conditions extended power.
When the burner feature of the present invention is burner operation, flame is not to be close to tube wall burning, is managed outside flame
Inner wall surrounding be combustion air layer, be inward from fuel gas layer, air is transported forward with combustion gas with certain pressure, speed, flow
Gradual mixed combustion when dynamic, so as to control air and combustion gas mixing process and time to greatest extent, extends flame in pipe
Interior length, no matter making dip tube and tube wall in the distal end of burner or near-end, no matter also its inner wall or outer wall all obtain reasonably
Temperature control.
Every group of air-supply pipeline configuration centrifugation high pressure blower one, for the supply of combustion air, and is equipped with fan frequency converter
It can automatically adjust air system pressure and volume of air supply according to combustion case, control rational combusted proportion.
Hand off valve, natural gas filter are respectively configured on Imported gas manifold, pressure gauge, safety cut-off valve, subtracts
Press pressure maintaining valve, Safety relief valve etc.；The pressure and flow of gas pipeline can be automatically adjusted according to combustion case, ensures burning system
Unite good combustion efficiency.The high limit of gaseous-pressure and two pressure switches of lower bound are equipped with natural gas manifold at the same time, combustion-supporting
One lower bound pressure switch, the chain bar which opens as gas header pipe stop valve and burner starts are installed at fan outlet
Part.
Combustion gas big fire combustion gas main line, small fire fuel gas pipeline are all provided with before often covering fuel element burner, on two times pipelines all
If ball valve, electromagnetic valve for natural gas and gas cut off valve etc..
The device grow 3.3 meters, it is 0.66 meter wide, 0.43 meter high, main function is by mutually independent four groups of fuel element collection
Into inside device, appearance is clean and tidy, and degree of being internally integrated is high, easy to operate easy to safeguard and check, the degree of automation is high, thoroughly
Solve the problems, such as Phosphating Slot and the control of liming tank constant temperature, while the heating-up time is short, worker's labor intensity is low, production operation
Safety, enhancement of environment is preferable, operating cost is low.
Brief description of the drawings
Fig. 1 is a kind of distributed natural gas schematic diagram of heating device of the present invention；
Fig. 2 is burner structure schematic diagram in Fig. 1.
In figure：1- blower ducts, 2- integrated cabinets, 3- integrated cabinets lid, the combustion-supporting air supply ducts of 4-, 5- combustion gas is automatically controlled cuts
Disconnected valve, 6- fixed plates, 7- combustion gas glass metals hose, 8- burners, the combustion-supporting air hose automatically controlled stop valves of 9-, 10- air passages glass gold
Belong to hose, 11- gas pipelines, 12- cables and walk the combustion-supporting air outlet of groove, 81-, the import of 82- natural gas, 83- plasmas detection dress
Put, 84- burning observation panel, 85- flames ultraviolet detecting apparatus, 86- connection flanges, 87- fuel gas layers pipeline, the combustion-supporting air passages of 88-,
89- high-voltage ignition devices.
Embodiment
A kind of distributed natural gas heating unit of the present invention is described in further detail below in conjunction with attached drawing：
The present invention by Fig. 1, in 2, it by blower duct 1, integrated cabinet 2, integrated cabinet lid 3, combustion-supporting air supply duct 4,
Combustion gas automatically controlled stop valve 5, fixed plate 6, combustion gas glass metal hose 7, burner 8, combustion-supporting air hose automatically controlled stop valve 9, air passage glass
Glass metal hose 10, gas pipeline 11 and cable are walked groove 12 and are formed；The top of integrated cabinet 2 is provided with integrated cabinet lid 3, interior
Portion is provided with burner 8, and combustion gas glass metal hose 7 and air passage glass metal hose 10, combustion gas glass are connected with burner 8
Metal hose 7 and gas pipeline 11 connect, and combustion gas automatically controlled stop valve 5, air passage glass metal hose are provided with gas pipeline 11
10 and combustion-supporting air supply duct 4 connect, be provided with combustion-supporting air hose automatically controlled stop valve 9 on combustion-supporting air supply duct 4, gas pipeline 11 and help
Air supply duct 4 is fired by 6 stationary positioned of fixed plate, is connected combustion-supporting 4 lower part of air supply duct and is provided with blower duct 1, gas pipeline
11 tops are provided with cable and walk groove 12；
Four heated at high speed burners 8, each burner 8 are provided with altogether inside the distributed day hot gas heating device
Form a fuel element.
The burner 8 is respectively arranged with natural gas import 82 and combustion-supporting air outlet in the top both sides of connection flange 86
81, top is provided with plasma detection device 83 and flame ultraviolet detecting apparatus 85, and 86 lower part of connection flange is provided with two layers
Pipeline, internal layer are fuel gas layer pipelines 87, and outer layer is combustion-supporting air passage 88, and exit is provided with high-voltage ignition device 89.
The method of the distributed day hot gas heating device heating, including step is implemented as follows：
（1）The manual total valve of gas distribution station is opened, checks whether each pressure gauge is normal；
（2）Open the manual total valve of intermittent pickling lines natural gas direct combustion heating system combustion gas；
（3）Open big and small fire manually-operated gate；
（4）Operating parameter is set, determines the heating tank temperature value to be reached；
（5）Start operation control system, automated system operation small fire ignition procedure；Combustion-supporting air hose automatically controlled stop valve 9 is opened,
After being purged to combustion-supporting air supply duct 4 and burner 8, combustion gas automatically controlled stop valve 5 is opened, high-voltage ignition device 89 carries out small fire
Igniting, while plasma detection device 83 and flame ultraviolet detecting apparatus 85 work, after the completion of small fire igniting operation, from turn
Enter big fire operation program；
（6）After the temperature value for reaching setting, system is transferred to small fire insulation, after temperature is less than lower limit, is transferred to big fire and adds
Heat, circular flow, realizes the constant temperature of heating tank, in igniting and operational process, if a fuel element fray-out of flame, combustion
Atmospheric pressure and to help right air pressure to occur abnormal, system will turn off other three fuel elements, realize safeguard protection.
Claims (3)
1. a kind of distributed natural gas heating unit, it is characterized in that：It is by blower duct（1）, integrated cabinet（2）, integrated cabinet
Lid（3）, combustion-supporting air supply duct（4）, combustion gas automatically controlled stop valve（5）, fixed plate（6）, combustion gas glass metal hose（7）, burning
Device（8）, combustion-supporting air hose automatically controlled stop valve（9）, air passage glass metal hose（10）, gas pipeline（11）Groove is walked with cable
（12）Composition；Integrated cabinet（2）Top is provided with integrated cabinet lid（3）, it is internally provided with burner（8）, burner（8）On
It is connected with combustion gas glass metal hose（7）With air passage glass metal hose（10）, combustion gas glass metal hose（7）And gas pipeline
（11）Connection, gas pipeline（11）On be provided with combustion gas automatically controlled stop valve（5）, air passage glass metal hose（10）With combustion-supporting air-supply
Pipeline（4）Connection, combustion-supporting air supply duct（4）On be provided with combustion-supporting air hose automatically controlled stop valve（9）, gas pipeline（11）Sent with combustion-supporting
Wind pipeline（4）By fixed plate（6）Stationary positioned, combustion-supporting air supply duct（4）Lower part is provided with blower duct（1）, gas pipeline
（11）Top is provided with cable and walks groove（12）；
Four heated at high speed burners are provided with altogether inside the distributed natural gas heating unit（8）, each burner（8）
Form a fuel element.
2. distributed natural gas heating unit as claimed in claim 1, it is characterized in that：The burner（8）In attached method
It is blue（86）Top both sides be respectively arranged with natural gas import（82）With combustion-supporting air outlet（81）, top is provided with plasma detection
Device（83）With flame ultraviolet detecting apparatus（85）, connection flange（86）Lower part is provided with two layers of pipeline, and internal layer is fuel gas layer
Pipeline（87）, outer layer is combustion-supporting air passage（88）, exit is provided with high-voltage ignition device（89）.
3. the method heated using distributed natural gas heating unit as claimed in claim 1 or 2, it is characterized in that including
Step is implemented as follows：
（1）The manual total valve of gas distribution station is opened, checks whether each pressure gauge is normal；
（2）Open the manual total valve of intermittent pickling lines natural gas direct combustion heating system combustion gas；
（3）Open big and small fire manually-operated gate；
（4）Operating parameter is set, determines the heating tank temperature value to be reached；
（5）Start operation control system, automated system operation small fire ignition procedure；Open combustion-supporting air hose automatically controlled stop valve（9）, it is right
Combustion-supporting air supply duct（4）And burner（8）After being purged, combustion gas automatically controlled stop valve is opened（5）, high-voltage ignition device（89）Into
Row small fire is lighted a fire, while plasma detection device（83）With flame ultraviolet detecting apparatus（85）Work, small fire igniting have been run
Cheng Hou, is transferred to big fire operation program automatically；
（6）After the temperature value for reaching setting, system is transferred to small fire insulation, after temperature is less than lower limit, is transferred to big fire heating, follows
Inscription of loop, realizes the constant temperature of heating tank, in igniting and operational process, if fuel element fray-out of flame, a gas pressure
Power and to help right air pressure to occur abnormal, system will turn off other three fuel elements, realize safeguard protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610622524.3A CN106247334B (en) | 2016-08-02 | 2016-08-02 | A kind of distributed natural gas heating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610622524.3A CN106247334B (en) | 2016-08-02 | 2016-08-02 | A kind of distributed natural gas heating unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106247334A CN106247334A (en) | 2016-12-21 |
| CN106247334B true CN106247334B (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610622524.3A Active CN106247334B (en) | 2016-08-02 | 2016-08-02 | A kind of distributed natural gas heating unit |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940996A (en) * | 2017-11-16 | 2018-04-20 | 王志 | A kind of construction material tunnel oven external combustion system and its control method |
| CN107904578A (en) * | 2017-11-27 | 2018-04-13 | 台州青松热能设备科技有限公司 | A kind of bonderizing plant |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009029118A1 (en) * | 2009-09-02 | 2011-03-03 | Loi Thermprocess Gmbh | radiant |
| FR2968746B1 (en) * | 2010-12-08 | 2014-11-21 | Saint Gobain | COMBUSTION WITH DIVERGENT COMBUSTIBLE JETS |
| CN203128624U (en) * | 2013-03-07 | 2013-08-14 | 德阳益达机电热处理有限公司 | Automatic heat treatment system |
| CN103807859B (en) * | 2014-03-12 | 2015-03-04 | 成都阿斯特克国龙环保工程有限公司 | Oxygen-enriched combustion system for acid regenerating unit |
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| CN106247334A (en) | 2016-12-21 |
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