CN106247334A - A kind of distributed natural gas heater - Google Patents

A kind of distributed natural gas heater Download PDF

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Publication number
CN106247334A
CN106247334A CN201610622524.3A CN201610622524A CN106247334A CN 106247334 A CN106247334 A CN 106247334A CN 201610622524 A CN201610622524 A CN 201610622524A CN 106247334 A CN106247334 A CN 106247334A
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CN
China
Prior art keywords
combustion
gas
flexible pipe
supporting
pipeline
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Application number
CN201610622524.3A
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Chinese (zh)
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CN106247334B (en
Inventor
彭进东
骆治安
陈秋平
钱小平
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Guizhou Steel Rope Co Ltd
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Guizhou Steel Rope Co Ltd
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Priority to CN201610622524.3A priority Critical patent/CN106247334B/en
Publication of CN106247334A publication Critical patent/CN106247334A/en
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Publication of CN106247334B publication Critical patent/CN106247334B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/20Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22Non-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
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C22/00Chemical 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
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00Apparatus for cleaning or pickling metallic material
    • C23G3/02Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
    • C23G3/025Details of the apparatus, e.g. linings or sealing means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/60Devices for simultaneous control of gas and combustion air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N1/00Regulating fuel supply
    • F23N1/02Regulating fuel supply conjointly with air supply

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  • 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 heater, its integrated cabinet is provided above integrated cabinet lid, it is internally provided with burner, connect on burner and have combustion gas glass metal flexible pipe and air channel glass metal flexible pipe, combustion gas glass metal flexible pipe and gas pipeline connect, the automatically controlled stop valve of combustion gas it is provided with on gas pipeline, air channel glass metal flexible pipe and combustion-supporting air supply duct connect, the automatically controlled stop valve of combustion-supporting airduct it is provided with on 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 bottom 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, low cost, heating-up temperature is constant.

Description

A kind of distributed natural gas heater
Technical field
The present invention relates to a kind of distributed natural gas heater, process particularly for Steel Wire Surface and liquid is heated A kind of device, belong to Steel Wire Products Industry technical field.
Background technology
Pickling lines is one of visual plant of whole Production for Steel Wire operation, and the quality of acid washing phosphorization directly affects Drawing speed and the service life touching son, directly affect steel wire product quality, Phosphating Slot, the temperature constant of liming tank and guarantor simultaneously Temperature is the important parameter of phosphatization quality, when on existing pickling lines, Phosphating Slot and liming tank mode of heating use steam heating, Owing to steam heating use cost is relatively big, steaming plant is aging, it is provided that steam pressure cannot meet production needs, production process Middle Phosphating Slot and liming tank temperature fluctuation are relatively big, and particularly steam pressure in winter and temperature cannot meet acid cleaning process especially and want Asking, what pickling process was the most serious constrains whole production process.
The problem existed for the heating of above-mentioned steam, has designed and developed the equipment using novel energy heating, in metal system Using distributed natural gas heater to heat in product processing industry, the efficiency of heating surface is high, low cost, processes product quality Good.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that a kind of distributed natural gas heater, solve Certainly the existing steam efficiency of heating surface is low, cost is high, cell body temperature is uncontrollable, temperature is non-constant, process the problems such as poor product quality.
A kind of distributed natural gas heater of the present invention, it by blower duct, integrated cabinet, integrated cabinet lid, Combustion-supporting air supply duct, the automatically controlled stop valve of combustion gas, fixed plate, combustion gas glass metal flexible pipe, burner, the automatically controlled cut-out of combustion-supporting airduct Valve, air channel glass metal flexible pipe, gas pipeline and cable walk groove composition;Integrated cabinet is provided above integrated cabinet lid, Being internally provided with burner, burner connects combustion gas glass metal flexible pipe and air channel glass metal flexible pipe, combustion gas glass gold Belong to flexible pipe and gas pipeline to connect, gas pipeline is provided with the automatically controlled stop valve of combustion gas, air channel glass metal flexible pipe and combustion-supporting send Wind pipeline connect, combustion-supporting air supply duct is provided with the automatically controlled stop valve of combustion-supporting airduct, gas pipeline and combustion-supporting air supply duct by Fixed plate stationary positioned, connects combustion-supporting air supply duct bottom and is provided with blower duct, and gas pipeline top is provided with cable and walks Groove;
Being provided with four heated at high speed burners inside described distributed sky hot gas heating device altogether, each burner constitutes one Individual fuel element.
Described burner is respectively arranged with natural gas import and combustion-supporting air outlet, top in the both sides, top coupling flange Being provided with plasma detection device and flame ultraviolet detecting apparatus, couple flange bottom and be provided with two-layer pipeline, internal layer is combustion Gas-bearing formation pipeline, outer layer is combustion-supporting air channel, and exit is provided with high-voltage ignition device.
The method of described distributed sky hot gas heating device heating, including implementing step as follows:
(1) open the manual total valve of gas distribution station, check that each Pressure gauge is the most normal;
(2) the batch (-type) pickling lines natural gas direct combustion manual total valve of heating system combustion gas is opened;
(3) big and small fire manually-operated gate is opened;
(4) set operational factor, determine the temperature value that heating tank is to be reached;
(5) startup optimization control system, automated system operation little fire ignition procedure;Open the automatically controlled stop valve of combustion-supporting airduct, to helping After combustion air supply duct and burner purge, opening the automatically controlled stop valve of combustion gas, high-voltage ignition device carries out little fire igniting, simultaneously Plasma detection device and the work of flame ultraviolet detecting apparatus, after little fire igniting operation completes, automatically proceed to big fire and run journey Sequence;
(6) after reaching the temperature value set, system proceeds to little fire insulation, after temperature is less than lower limit, proceeds to big fire heating, follows Inscription of loop, it is achieved the temperature constant of heating tank, in igniting and running, if fuel element fray-out of flame, a gas pressure Extremely system will turn off other three fuel elements to power, it is achieved safeguard protection with helping right air pressure to occur.
The power often organizing fuel element of the present invention is 90KW, and inside is made up of four groups of separate fuel elements.Steel Silk Phosphating Slot uses two distribution type sky hot gas heating devices, altogether 720KW.Liming tank uses a distribution type sky steam to add hot charging Put, altogether 360KW.In combustion process, any group of fuel element occurs abnormal, and system will turn off other fuel element, it is achieved Combustion completion is protected, can be according to practical situation extended power.
When the burner feature of the present invention is burner operation, flame is not to be close to tube wall burning, i.e. manages outside flame Inner wall surrounding be combustion air layer, be inward from fuel gas layer, air is transported forward with certain pressure, speed, flow with combustion gas Gradually mixed combustion time dynamic, thus control air and combustion gas mixing process and time to greatest extent, extend flame at pipe In length, though make dip tube and tube wall at the far-end of burner or near-end, no matter also its inwall or outer wall all obtain reasonably Temperature controls.
Often the centrifugal high pressure blower one of group air-supply pipeline configuration, for the supply of combustion air, and is provided with fan frequency converter Air system pressure and wind supply quantity can be automatically adjusted according to combustion case, control rational combusted proportion.
It is respectively configured hand off valve, natural gas filter, Pressure gauge, safety cut-off valve on Imported gas house steward, subtracts Pressure pressure maintaining valve, Safety relief valve etc.;Pressure and the flow of gas pipeline can be automatically adjusted, it is ensured that burning system according to combustion case Unite good combustion efficiency.On natural gas main, it is provided with gaseous-pressure high limit and two pressure switches of lower bound, combustion-supporting simultaneously One lower bound pressure switch is installed, the chain bar that this signal is opened as gas header pipe stop valve and burner starts at fan outlet Part.
Often it is all provided with combustion gas big fire combustion gas main line, little fire fuel gas pipeline before set fuel element burner, on two times pipelines all If ball valve, electromagnetic valve for natural gas and gas cut off valve etc..
This device length 3.3 meters, wide 0.66 meter, high 0.43 meter, Main Function is by four groups of separate fuel element collection Becoming inside device, outward appearance is clean and tidy, and degree of being internally integrated is high, it is simple to safeguards and checks, simple to operate, and automaticity is high, thoroughly Solving Phosphating Slot and the problem of liming tank temperature constant control, the heating-up time is short simultaneously, and worker's labor intensity is low, production operation Safety, improvement of environment is preferable, operating cost is low.
Accompanying drawing explanation
Fig. 1 is one distributed natural gas heater structural representation of the present invention;
Fig. 2 is burner structure schematic diagram in Fig. 1.
In figure: 1-blower duct, 2-integrated cabinet, 3-integrated cabinet lid, the combustion-supporting air supply duct of 4-, 5-combustion gas is automatically controlled cuts Disconnected valve, 6-fixed plate, 7-combustion gas glass metal flexible pipe, 8-burner, the automatically controlled stop valve of the combustion-supporting airduct of 9-, 10-air channel glass gold Genus flexible pipe, 11-gas pipeline, 12-cable walk groove, the combustion-supporting air outlet of 81-, 82-natural gas import, 83-plasma detection dress Put, 84-burning observation panel, 85-flame ultraviolet detecting apparatus, 86-couple flange, 87-fuel gas layer pipeline, the combustion-supporting air channel of 88-, 89-high-voltage ignition device.
Detailed description of the invention
Below in conjunction with accompanying drawing, one distributed natural gas heater of the present invention is described in further detail:
The present invention presses Fig. 1, in 2, 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 flexible pipe 7, burner 8, the automatically controlled stop valve of combustion-supporting airduct 9, air channel glass gold Belong to flexible pipe 10, gas pipeline 11 and cable to walk groove 12 and form;Integrated cabinet 2 is provided above integrated cabinet lid 3, and inside sets Being equipped with burner 8, burner 8 connects combustion gas glass metal flexible pipe 7 and air channel glass metal flexible pipe 10, combustion gas glass metal Flexible pipe 7 and gas pipeline 11 connect, and gas pipeline 11 is provided with the automatically controlled stop valve of combustion gas 5, air channel glass metal flexible pipe 10 He Combustion-supporting air supply duct 4 connects, and combustion-supporting air supply duct 4 is provided with the automatically controlled stop valve of combustion-supporting airduct 9, gas pipeline 11 and combustion-supporting send Wind pipeline 4, by fixed plate 6 stationary positioned, connects combustion-supporting air supply duct 4 bottom and is provided with blower duct 1, on gas pipeline 11 Portion is provided with cable and walks groove 12;
Being provided with four heated at high speed burners 8 inside described distributed sky hot gas heating device altogether, each burner 8 is constituted One fuel element.
Described burner 8 is respectively arranged with natural gas import 82 and combustion-supporting air outlet in the both sides, top coupling flange 86 81, top is provided with plasma detection device 83 and flame ultraviolet detecting apparatus 85, couples flange 86 bottom and is provided with two-layer Pipeline, internal layer is fuel gas layer pipeline 87, and outer layer is combustion-supporting air channel 88, and exit is provided with high-voltage ignition device 89.
The method of described distributed sky hot gas heating device heating, including implementing step as follows:
(1) open the manual total valve of gas distribution station, check that each Pressure gauge is the most normal;
(2) the batch (-type) pickling lines natural gas direct combustion manual total valve of heating system combustion gas is opened;
(3) big and small fire manually-operated gate is opened;
(4) set operational factor, determine the temperature value that heating tank is to be reached;
(5) startup optimization control system, automated system operation little fire ignition procedure;Open the automatically controlled stop valve of combustion-supporting airduct 9, to helping After combustion air supply duct 4 and burner 8 purge, opening the automatically controlled stop valve of combustion gas 5, high-voltage ignition device 89 carries out little fire point Fire, plasma detection device 83 and flame ultraviolet detecting apparatus 85 work simultaneously, after little fire igniting operation completes, automatically proceed to Big fire runs program;
(6) after reaching the temperature value set, system proceeds to little fire insulation, after temperature is less than lower limit, proceeds to big fire heating, follows Inscription of loop, it is achieved the temperature constant of heating tank, in igniting and running, if fuel element fray-out of flame, a gas pressure Extremely system will turn off other three fuel elements to power, it is achieved safeguard protection with helping right air pressure to occur.

Claims (3)

1. a distributed sky hot gas heating device, is characterized in that: it is by blower duct (1), integrated cabinet (2), integrated cabinet Lid (3), combustion-supporting air supply duct (4), the automatically controlled stop valve of combustion gas (5), fixed plate (6), combustion gas glass metal flexible pipe (7), burning Device (8), the automatically controlled stop valve of combustion-supporting airduct (9), air channel glass metal flexible pipe (10), gas pipeline (11) and cable walk groove (12) composition;Integrated cabinet (2) is provided above integrated cabinet lid (3), is internally provided with burner (8), on burner (8) Connect and have combustion gas glass metal flexible pipe (7) and air channel glass metal flexible pipe (10), combustion gas glass metal flexible pipe (7) and gas pipeline (11) connect, gas pipeline (11) is provided with the automatically controlled stop valve of combustion gas (5), air channel glass metal flexible pipe (10) and combustion-supporting air-supply Pipeline (4) connects, and combustion-supporting air supply duct (4) is provided with the automatically controlled stop valve of combustion-supporting airduct (9), gas pipeline (11) and combustion-supporting send Wind pipeline (4), by fixed plate (6) stationary positioned, connects combustion-supporting air supply duct (4) bottom and is provided with blower duct (1), combustion gas Pipeline (11) top is provided with cable and walks groove (12);
Four heated at high speed burners (8), each burner (8) it is provided with altogether inside described distributed sky hot gas heating device Constitute a fuel element.
Distributed sky the most as claimed in claim 1 hot gas heating device, is characterized in that: described burner (8) is at attached method The both sides, top of blue (86) are respectively arranged with natural gas import (82) and combustion-supporting air outlet (81), and top is provided with plasma detection Device (83) and flame ultraviolet detecting apparatus (85), couple flange (86) bottom and be provided with two-layer pipeline, and internal layer is fuel gas layer Pipeline (87), outer layer is combustion-supporting air channel (88), and exit is provided with high-voltage ignition device (89).
3. utilize distributed sky as claimed in claim 1 or 2 hot gas heating device to carry out the method heated, it is characterized in that including Implement step as follows:
(1) open the manual total valve of gas distribution station, check that each Pressure gauge is the most normal;
(2) the batch (-type) pickling lines natural gas direct combustion manual total valve of heating system combustion gas is opened;
(3) big and small fire manually-operated gate is opened;
(4) set operational factor, determine the temperature value that heating tank is to be reached;
(5) startup optimization control system, automated system operation little fire ignition procedure;Open the automatically controlled stop valve of combustion-supporting airduct (9), right After combustion-supporting air supply duct (4) and burner (8) purge, opening the automatically controlled stop valve of combustion gas (5), high-voltage ignition device (89) enters Row little fire igniting, simultaneously plasma detection device (83) and flame ultraviolet detecting apparatus (85) work, little fire igniting has run Cheng Hou, automatically proceeds to big fire and runs program;
(6) after reaching the temperature value set, system proceeds to little fire insulation, after temperature is less than lower limit, proceeds to big fire heating, follows Inscription of loop, it is achieved the temperature constant of heating tank, in igniting and running, if fuel element fray-out of flame, a gas pressure Extremely system will turn off other three fuel elements to power, it is achieved safeguard protection with helping right air pressure to occur.
CN201610622524.3A 2016-08-02 2016-08-02 A kind of distributed natural gas heating unit Active CN106247334B (en)

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CN106247334B CN106247334B (en) 2018-05-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN107940996A (en) * 2017-11-16 2018-04-20 王志 A kind of construction material tunnel oven external combustion system and its control method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110053099A1 (en) * 2009-09-02 2011-03-03 Loi Thermprocess Gmbh Radiant heating apparatus
CN103228988A (en) * 2010-12-08 2013-07-31 法国圣戈班玻璃厂 Combustion with divergent jets of fuel
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
CN103807859A (en) * 2014-03-12 2014-05-21 成都阿斯特克国龙环保工程有限公司 Oxygen-enriched combustion system for acid regenerating unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110053099A1 (en) * 2009-09-02 2011-03-03 Loi Thermprocess Gmbh Radiant heating apparatus
CN103228988A (en) * 2010-12-08 2013-07-31 法国圣戈班玻璃厂 Combustion with divergent jets of fuel
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
CN103807859A (en) * 2014-03-12 2014-05-21 成都阿斯特克国龙环保工程有限公司 Oxygen-enriched combustion system for acid regenerating unit

Cited By (2)

* Cited by examiner, † Cited by third party
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

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