CN207797039U - Gaseous fuel Industrial Stoves overhead gas burner system - Google Patents
Gaseous fuel Industrial Stoves overhead gas burner system Download PDFInfo
- Publication number
- CN207797039U CN207797039U CN201820004300.0U CN201820004300U CN207797039U CN 207797039 U CN207797039 U CN 207797039U CN 201820004300 U CN201820004300 U CN 201820004300U CN 207797039 U CN207797039 U CN 207797039U
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- Prior art keywords
- burner
- air
- gas
- burner body
- wind turbine
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- 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.)
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- 239000000446 fuel Substances 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 51
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003546 flue gas Substances 0.000 claims abstract description 23
- 238000002485 combustion reaction Methods 0.000 claims abstract description 21
- 239000000779 smoke Substances 0.000 claims abstract description 14
- 239000002737 fuel gas Substances 0.000 claims abstract description 8
- 150000002500 ions Chemical class 0.000 claims description 13
- 239000000523 sample Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 12
- 235000019504 cigarettes Nutrition 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 3
- 230000003134 recirculating effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000000567 combustion gas Substances 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 239000008186 active pharmaceutical agent Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
A kind of gaseous fuel Industrial Stoves overhead gas burner system, its burner body, valve group, wind turbine, burner control cabinet is integrated by flange, cable connection, burner body is communicated with kiln quirk, residual neat recovering system, flue gas recirculation system are mounted on the flue of kiln, burner body is installed vertically downward, and the lower end of burner body is provided with rectifier, flame holder and nozzle；Valve group is connected by Gas Pipe with the fuel gas inlet of burner body mounted on the top, horizontally disposed of burner；Wind turbine is connected with burner body by burner air hose, is connected with air preheater；Air preheater is mounted on kiln tail portion, and smoke distributor is mounted between chimney and wind turbine, and burner body, air preheater, smoke distributor and control cabinet realize fully automatic operation pattern by cable connection.The system uses premixed combustion technology, flue gas to strile-back combustion technology, it can be achieved that ultralow NOXDischarge, structurally simple, economical property is good, energy conservation and environmental protection.
Description
Technical field
The utility model is related to a kind of combustion system, more particularly to gaseous fuel Industrial Stoves overhead buner system,
The system can realize that saving energy in kiln and low NOX emission, particularly suitable coal change at gas and newly-built industry heat by increasing auxiliary system
Kiln is managed to use.
Background technology
In recent years with the rapid raising that energy conservation and environmental protection requires, Beijing-tianjin-hebei Region is attached most importance to, and the whole nation quickly carries out fire coal and controls
Reason brings the coal of a large amount of industry heat treatment kiln to change gas work, and a coal-fired industrial furnace investment is tens of thousands of to be differed to millions of,
It is changed to gas burning kiln if scrapped, will cause greatly to waste and lose, it again can be because of ground in order to adapt to energy saving and environmentally friendly requirement
The continuity of suiting measures to different conditions uses built facility.On the basis of not changing original coal-fired furnace structure and process characteristic, exploitation adapts to combustion
Coal pit furnace structure and the gas burner for meeting process characteristic, while by increasing auxiliary system, realize it is energy saving and it is environmentally friendly into
The requirement of one step, the cost that can reduce gas belt increase, and DS NOx Est far super domestic can be most strict with.
Utility model content
The goal of the invention of the utility model is to provide a kind of gaseous fuel Industrial Stoves overhead gas burner system, be somebody's turn to do
System realizes that fire coal changes combustion gas, while realizing energy-saving and environment-friendly totality under conditions of not changing original furnace construction and technique
It is required that reducing because of the increased operating cost of combustion gas.
Realize that above-mentioned purpose uses following technical scheme：
A kind of gaseous fuel Industrial Stoves overhead gas burner system, including Furnace top combustion system, residual neat recovering system,
Flue gas recirculation system, Furnace top combustion system include burner body, valve group, wind turbine and burner control cabinet, waste heat recovery system
System includes air preheater and cigarette wind apparatus, and flue gas recirculation system includes smoke distributor, burner body, valve group, wind turbine,
Burner control cabinet is integrated by flange, cable connection, and burner body is communicated with kiln quirk, residual neat recovering system, cigarette
Gas recirculating system is mounted on the flue of kiln, and the burner body is installed vertically downward, and the lower end of burner body is set
It is equipped with rectifier, flame holder and nozzle；Valve group, which is connected by Gas Pipe with the fuel gas inlet of burner body, is mounted on burner
Top, horizontally disposed；Wind turbine is connected with burner body by burner air hose, is connected with air preheater；Waste heat recovery
The air preheater of system is mounted on kiln tail portion, and smoke distributor is mounted between chimney and wind turbine, burner body, air
Preheater, smoke distributor and control cabinet realize fully automatic operation pattern by cable connection.
Preferably, the burner body is provided with air duct and air collecting box, air duct lower end is connect with rectifier, upper end
It is connect with air collecting box, the connecting interface of flame-observing hole and strike sparks electrode, ion probe, upper cover center is provided on the upper lid of air collecting box
Gas Pipe is set, has a branch pipe to be connected with wind turbine by burner air hose in the middle part of air collecting box.
Preferably, the rectifier is round tubular structure, and pipe thickness 4-6mm, diameter 194mm, length
260mm。
Preferably, the nozzle is circular tube shaped, it is mounted on the front end of burner Gas Pipe, spray nozzle front end closing, spray
There is twice slot on the outer wall of mouth, spray orifice is evenly equipped in slot, nozzle is equipped with the uniformly distributed gas jet orifice of a circle, the other end close to blind end
It is connected with flame holder.
Preferably, the flame holder is ring-shaped structure, it is placed between nozzle twice slot, which is 2-
6mm is set in outer rim there are three raised support, uniformly distributed a plurality of eddy flow slot, the steady flames of the uniformly distributed a diameter of 5-7mm of multi-turn in the middle part of annulus
Hole, inner ring are evenly distributed with three supports and are fixedly connected with nozzle, and there are the gaps 5-8mm with nozzle od for flame holder inner ring.
Preferably, being provided with a diameter of 3-4mm sparking electrodes and ion probe in the burner body air duct, beat
Thermoelectricity pole and ion probe make of magnetic tube respectively to insulate, and is supported in Gas Pipe, and ion probe is passed through from stable flame hole, sparking electricity
Pole end is arranged at nozzle rear end slot, apart from groove edge 3.5-5mm.
Preferably, being provided with wind pressure connector and pressure guiding pipe on the burner air hose.
Preferably, fan outlet is connected by burner air hose with burner body, air inlet is provided with more
Kind interface form, be preheated air interface, low-temperature flue gas interface and the opening communicated with air, interface respectively makes alone or in combination
With.
Using above-mentioned technical proposal, the utility model installs burner body vertically downward, overhead burner, flame to
Lower injection, can be implemented in combination with pre- recuperation of heat and flue gas recirculation with kiln and system, and the safe and efficient burning of gaseous fuel makes
Furnace flame degree of filling is good, and quick heating, fire box temperature field are uniform.It is lighted a fire and is run using program curing, realize safety and automatic fortune
Row and tail flue gas waste heat recovery reduce by 300 degree or so of exhaust gas temperature, realize 15% or more whole energy.Using premixed combustion skill
Art, flue gas strile-back combustion technology, it can be achieved that ultralow DS NOx Est, is less than 50mg/m3.The system structure is simple, good economy performance, section
It can environmental protection.
Description of the drawings
Fig. 1 is the buner system structural schematic diagram of the utility model.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is nozzle partial structurtes enlarged drawing.
Fig. 4-Fig. 7 is nozzle cloth hole setting figure.Wherein Fig. 4 is the A-A direction views of Fig. 3, and Fig. 5 is Fig. 3 B-B direction views, Fig. 6
It is Fig. 3 C-C direction views, Fig. 7 is Fig. 3 D-D direction views.
Fig. 8 is the utility model general arrangement schematic.
Fig. 9 is the A-A direction views of Fig. 8.
Figure 10 is flame holder stable flame pan schematic diagram.
It is marked in figure：Rectifier 1, nozzle 2, flame holder 3, air duct 4, sparking electrode 5, ion probe 6, air collecting box 7, combustion gas
Pipe 8, damper 9, flame-observing hole 10, burner air hose 11, pressure guiding pipe 12, wind turbine 13, flue gas interface 14, preheated air interface
15, fuel gas pipeline 16, igniter 17, blast switch 18, flow control valve 19, gas cut off valve 20, gas cut off valve 21, combustion gas
Pressure switch 22, air preheater 23, smoke distributor 24, air and gas system pipeline 25, control cabinet 26, stable flame hole 27 revolve chute
28, support 29, turbulent slot 30, burner body 31, flue 32, time cigarette flue 33, chimney 34.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.
The present embodiment is a kind of gaseous fuel Industrial Stoves overhead gas burner system, system burner overhead, the fire
Flame sprays downwards, is the combustion system that pre- recuperation of heat and flue gas recirculation are implemented in combination with kiln and system.Including：1）Furnace roof fires
Burning system, 2）Residual neat recovering system, 3）Flue gas recirculation system.
）Furnace top combustion system is made of burner body, valve group, wind turbine, burner control cabinet.2）Residual neat recovering system by
Air preheater, cigarette wind apparatus composition.3）Flue gas recirculation system is made of smoke distributor.
Wherein Furnace top combustion system is with substantially safe, organizes combustion function automatically, meets the needs of kiln heat supply
System.Residual neat recovering system is the energy-saving system for realizing combustion gas.Flue gas recirculation system is to realize ultralow DS NOx Est system
System.
See that Fig. 1, Fig. 8, burner body 31 are visited by rectifier 1, nozzle 2, flame holder 3, air duct 4, sparking electrode 5, ion
The components such as needle 6, air collecting box 7, Gas Pipe 8, damper 9, flame-observing hole 10 form.
See Fig. 1 Fig. 2, the air duct 4 of burner body is pipe, and lower end is welded with rectifier 1, and upper end is welded with air collecting box 7,
Air collecting box 7 carries upper cover, the connecting interface of flame-observing hole and strike sparks electrode 5, ion probe 6 is provided on upper lid, upper cover center is set
Gas Pipe 8 is set, a branch pipe is connected in the middle part of air collecting box, which is burner air hose 11, and wind pressure is provided on burner air hose 11
Connector and pressure guiding pipe 12, pressure guiding pipe 12 are equipped with blast switch 18.
Air collecting box is connected by the end of burner air hose 11 with wind turbine 13.Wind turbine 13 is connect with control cabinet 26, by controlling
Control button in case 26 controls its operating.The rectifier 1 is that pipe thickness is 4-6mm, diameter 194mm, length 260mm
Round tube, seriation size zooms in and out in proportion according to power.
See Figure 10,3 thickness of circular flame holder is 2-6mm, and outer rim sets that there are three raised support 29, three raised supports
29 are fixedly connected with nozzle 2, uniformly distributed six eddy flow slots 28 on the outer shroud of flame holder 3, a diameter of 5-7mm of uniformly distributed multi-turn in the middle part of annulus
Stable flame hole 27, there are the gaps of 5-8mm with 2 outer diameter of nozzle for 3 inner ring of flame holder.The gap can guarantee that the root of nozzle combustion gas supplies
Oxygen prevents carbon black from generating.Middle part stable flame hole 27, which can form stable small fire group and realize, stablizes burning, and external eddy flow slot 28 reinforces gas
Body disturbs, and fuel mixing is accelerated to be formed simultaneously hollow flame.
See that Fig. 1, Fig. 4-Fig. 7, nozzle 2 are circular tube shaped, is mounted on the front end of Gas Pipe 8,2 front end of nozzle closing, close to envelope
Closed end is equipped with the uniformly distributed spray orifice of a circle.There is twice slot on the outer wall of nozzle 2, which is turbulent slot 30, and gas injection is evenly equipped in slot
Hole.See Fig. 4-Fig. 7, nozzle 2 is that the double-deck spray orifice designs, and front layer spray orifice is big, and rear layer spray orifice is small, be it is uniformly distributed, rear layer spray orifice with it is steady
3 middle part aperture wind of flame device is mixed to form combustible concentration and stablizes burning, and front layer hole is the main load gas supply of burner, and third layer hole is single
Hole, for ignitor spark initiation.The second layer and third layer hole are both provided with turbulent slot.2 other end of nozzle and flame holder three
Raised support 29 is connected.
A diameter of 3-4mm sparking electrodes 5 and ion probe 6 are heat resisting steel material, and diameter 3-4mm is arranged in air duct, beats
Thermoelectricity pole 5 and ion probe 6 make of magnetic tube insulate respectively, are respectively placed in magnetic tube, and magnetic tube is fixedly supported in Gas Pipe 8, from
Sub- probe 6 is passed through from stable flame hole, and sparking electrode 5 is not passed through steady cigarette hole, and end is fixed at the slot of nozzle rear end, distance
Groove edge 3.5-5mm.
See Fig. 1, blower fan apparatus includes that burner air hose 11, pressure guiding pipe 12, wind turbine 13, flue gas interface 14, preheated air connect
Mouth 15 etc..The end of installation and adjustment valve 9 on burner air hose 11, burner air hose 11 is installed by wind turbine 13.Wind turbine 13 and control
Case 27 connects.The components such as installation wind turbine starter, burner control, alarm in control cabinet 27.
13 air quantity 200-7000m3/h of wind turbine, wind pressure：1000-4000Pa, there are three types of forms for the setting of 13 air inlet of wind turbine：
1）Opening is communicated with air, and 2）Preheated air interface, 3）Low-temperature flue gas interface.Three kinds of interfaces can be used alone or in combination, such as：
Using 1）Interface form realizes the basic function of overhead burner, using 2）Interface form realizes the basic of overhead type burner
Function and power saving function.Using 1）With 3）Interface form realizes the basic function and low NOX emission function of overhead type burner,
Using 2）With 3）Interface form realizes basic function, power saving function and the low NOX emission function of overhead type burner.Wind turbine connects
Mouth can be used alone or in combination.13 air outlet of wind turbine is connected by burner air hose with burner body.
Valve set system is shown in Fig. 1, including 19, two fuel gas pipeline 16, igniter 17, blast switch 18, flow control valve combustions
The components such as gas stop valve 20 and 21, gaseous-pressure switch 22, fuel gas pipeline 16 are connect by elbow with Gas Pipe 8, igniter 17,
Blast switch 18,19,2 gas cut off valve 20 of flow control valve and 21, gaseous-pressure switch 22 are separately mounted to fuel gas pipeline
On 16.
Burner body, valve group, wind turbine, burner control cabinet are integrated by flange, cable connection.
Residual neat recovering system, flue gas recirculation system are the auxiliary systems of the utility model.
See Fig. 8, Fig. 9, residual neat recovering system is by air preheater 23, cigarette wind apparatus composition.Air inlet is provided with pre-
Hot-air interface, low-temperature flue gas interface and the opening communicated with air, can be used alone and also can be used in combination.
Residual neat recovering system is by air preheater 23, cigarette wind apparatus composition.Cigarette wind apparatus is by air and gas system pipeline 25, flue
32, air-returen flue 33 forms, and air preheater 23 is communicated mounted on kiln tail portion with chimney 34, with wind turbine preheated air interface phase
It is logical.Flue 32, air-returen flue 33 are arranged in burner hearth to be penetrated through with chimney.
Flue gas recirculation system is made of smoke distributor 24.Smoke distributor 24 is mounted on chimney 34 and wind turbine preheating is empty
Between gas interface, wind turbine preheated air interface is communicated with air and gas system pipeline 25.
By cable connection, control cabinet 27 is interior to install wind for burner body, air preheater, smoke distributor and control cabinet
The components such as machine starter, burner control, alarm are controlled by control unit and realize fully automatic operation pattern.
The course of work of the utility model：
Air preheater is that the heat absorption in the high-temperature flue gas that will be arranged outside kiln is replaced to the combustion-supporting sky of torch
Gas realizes that Waste Heat Recovery, the high temperature air after preheating enter burner body by wind turbine, pass through the rectification and distribution of air collecting box
It is sent to flame holder rear portion with certain fluidised form, the fuel gas sprayed with nozzle by the eddy flow slot and steady cigarette hole of flame holder is at certain
Angle is mixed into combustible concentration gas, the spark ignition generated by electrode of striking sparks, makees in radome fairing and the comprehensive of flame holder
Hollow flame spreading is formed with lower.High-temperature flue gas being sucked by wind turbine by a certain percentage by smoke distributor, in wind turbine with
Combustion air is sufficiently mixed the oxygen content reduced in combustion air, contains a large amount of CO2, vaporous water in mixed combustion air
With lower oxygen content, it is made to reduce combustion intensity in subsequent combustion, flame temperature is controlled, to realize ultralow DS NOx Est
Operation.
The device applies also for other types of gaseous fuel, it can also be used to the industry such as industrial heating furnace, reacting furnace, civilian
With in energy equipment, mounting means is vertically-mounted, can also be horizontally mounted use.
Claims (8)
1. a kind of gaseous fuel Industrial Stoves overhead gas burner system, including Furnace top combustion system, residual neat recovering system, cigarette
Gas recirculating system, Furnace top combustion system include burner body, valve group, wind turbine and burner control cabinet, residual neat recovering system
Including air preheater and cigarette wind apparatus, flue gas recirculation system includes smoke distributor, burner body, valve group, wind turbine, combustion
Burner control cabinet is integrated by flange, cable connection, and burner body is communicated with kiln quirk, residual neat recovering system, flue gas
Recirculating system is mounted on the flue of kiln, which is characterized in that the burner body is installed vertically downward, burner body
Lower end be provided with rectifier, flame holder and nozzle；Valve group is connected installation by Gas Pipe with the fuel gas inlet of burner body
At the top of burner, horizontally disposed；Wind turbine is connected with burner body by burner air hose, is connected with air preheater；
The air preheater of residual neat recovering system is mounted on kiln tail portion, and smoke distributor is mounted between chimney and wind turbine, burner
Ontology, air preheater, smoke distributor and control cabinet realize fully automatic operation pattern by cable connection.
2. gaseous fuel Industrial Stoves overhead gas burner system according to claim 1, which is characterized in that described
Burner body is provided with air duct and air collecting box, and air duct lower end is connect with rectifier, and upper end is connect with air collecting box, air collecting box it is upper
The connecting interface for being provided with flame-observing hole and strike sparks electrode, ion probe, the centrally disposed Gas Pipe of upper cover are covered, air collecting box middle part has
One branch pipe is connected by burner air hose with wind turbine.
3. gaseous fuel Industrial Stoves overhead gas burner system according to claim 1 or 2, which is characterized in that institute
The rectifier stated is round tubular structure, pipe thickness 4-6mm, diameter 194mm, length 260mm.
4. gaseous fuel Industrial Stoves overhead gas burner system according to claim 1, which is characterized in that described
Nozzle is circular tube shaped, is mounted on the front end of burner Gas Pipe, spray nozzle front end closing, there is twice slot on the outer wall of nozzle, in slot
It is evenly equipped with spray orifice, nozzle is equipped with the uniformly distributed gas jet orifice of a circle close to blind end, and the other end is connected with flame holder.
5. gaseous fuel Industrial Stoves overhead gas burner system according to claim 1, which is characterized in that described
Flame holder is ring-shaped structure, is placed between nozzle twice slot, which is 2-6mm, sets that there are three convex in outer rim
Support is played, a plurality of eddy flow slot is evenly distributed with, a diameter of 5-7mm stable flame holes of multi-turn, uniformly distributed three supports of inner ring and spray are evenly distributed in the middle part of annulus
Mouth is fixedly connected, and there are the gaps 5-8mm with nozzle od for flame holder inner ring.
6. gaseous fuel Industrial Stoves overhead gas burner system according to claim 1, which is characterized in that described
It is provided with a diameter of 3-4mm sparking electrodes in burner body air duct and ion probe, sparking electrode and ion probe are used respectively
Magnetic tube, which is done, to insulate, and is supported in Gas Pipe, and ion probe is passed through from stable flame hole, and sparking electrode end is arranged in nozzle rear end slot
Place, apart from groove edge 3.5-5mm.
7. gaseous fuel Industrial Stoves overhead gas burner system according to claim 2, which is characterized in that described
Wind pressure connector and pressure guiding pipe are provided on burner air hose.
8. gaseous fuel Industrial Stoves overhead gas burner system according to claim 1, which is characterized in that wind turbine goes out
Air port is connected by burner air hose with burner body, and air inlet is provided with multiple interfaces form, is that preheating is empty respectively
Gas interface, low-temperature flue gas interface and the opening communicated with air, interface are used alone or in combination.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017202086025 | 2017-03-06 | ||
| CN201720208602 | 2017-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207797039U true CN207797039U (en) | 2018-08-31 |
Family
ID=63277385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820004300.0U Active CN207797039U (en) | 2017-03-06 | 2018-01-03 | Gaseous fuel Industrial Stoves overhead gas burner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207797039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414131A (en) * | 2020-10-31 | 2021-02-26 | 湖南省虹宇碳素新材料有限公司 | Carbon element product roasting device |
-
2018
- 2018-01-03 CN CN201820004300.0U patent/CN207797039U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414131A (en) * | 2020-10-31 | 2021-02-26 | 湖南省虹宇碳素新材料有限公司 | Carbon element product roasting device |
| CN112414131B (en) * | 2020-10-31 | 2023-12-19 | 湖南省虹宇碳素新材料有限公司 | Roasting device for carbon products |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240826 Address after: 063200 North of Miaozhong Road, Small and Medium sized Enterprise Park, Caofeidian District, Tangshan City, Hebei Province Patentee after: TANGSHAN YICHANG HEAT ENERGY TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 063000 Ruijing 18-1-801, Lubei District, Tangshan City, Hebei Province Patentee before: Wang Aijie Country or region before: China |
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| TR01 | Transfer of patent right |