CN208139320U - A kind of energy-saving low NO - Google Patents
A kind of energy-saving low NO Download PDFInfo
- Publication number
- CN208139320U CN208139320U CN201820351128.6U CN201820351128U CN208139320U CN 208139320 U CN208139320 U CN 208139320U CN 201820351128 U CN201820351128 U CN 201820351128U CN 208139320 U CN208139320 U CN 208139320U
- Authority
- CN
- China
- Prior art keywords
- burner body
- combustion
- burner
- fixedly connected
- energy
- 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 claims abstract description 80
- 239000000446 fuel Substances 0.000 claims abstract description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 16
- 238000012423 maintenance Methods 0.000 claims abstract description 16
- 239000002808 molecular sieve Substances 0.000 claims abstract description 11
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 239000000945 filler Substances 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 10
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 16
- 239000007789 gas Substances 0.000 abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000003517 fume Substances 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a kind of energy-saving low NOs,Including burner body and combustion tube,Combustion tube is provided on the right side of burner body,Combustion tube is fixedly connected with burner body,The intermediate position of burner body is provided with maintenance door,Maintenance door is flexibly connected with burner body,The left and right side of maintenance door is provided with hinge,Hinge is fixedly connected with maintenance door,The left end of burner body is provided with master control,Master control and burner body are electrically connected,This kind of energy-saving low NO is using integral structure,Make the structure between machine more accurate,By control system,Detection system,Alarm system etc. is combined as a whole,Keep its operation more simple and convenient,The intermediate position that fuel master enters pipe is provided with carbon molecular sieve,The micropore for being 4 angstroms containing a large amount of diameters,The micropore is stronger to the moment affinity of oxygen molecule,It can be used to separate the nitrogen in gas,And itself can be reused,Reduce the cost of fume treatment.
Description
Technical field
Originally practical to be newly related to energy-saving low-NO_x combustion technology field, specially a kind of energy-saving low NO.
Background technique
Burner, be make fuel and air spray in a certain way mixed firinor fuel burning device be referred to as, burner by type and
Application field divides industrial burner, combustor, civilian burner, special kind firing device several, and it is resistance to be mostly used stainless steel or Titanium etc.
Corrosion, material resistant to high temperature are made, and industrial burner is commonly called as burner, and there are many type specification pattern, there is fuel oil, combustion gas（Coal gas）,
It is coal-fired（Coal dust/water-coal-slurry）Several big classifications, application field are very wide, are needing to make fuel combustion with heated material or the industry of reaction
Occasion requires to use burner.
Present burner, bulky, structure disperses, complicated for operation, efficiency of combustion is low, and fuel cannot be sufficient
It utilizes, heat is mostly discharged in a manner of flue gas, and combustible residence time in combustion chamber is short, is burnt insufficient, is caused a large amount of
Waste, excess air coefficient is big, and flue gas loss is big, and when burning generates a large amount of nitrogen, carbon deposit, dust particles etc., burning side
Method falls behind, and causes largely to lose.
So how to design a kind of energy-saving low NO, becoming us will currently be solved the problems, such as.
Utility model content
A kind of energy-saving low NO of the utility model, with solve structure mentioned above in the background art it is backward,
It burns the problems such as insufficient, exhaust gas discharge capacity is more, low efficiency.
To achieve the above object, the utility model provides the following technical solutions：A kind of energy-saving low NO, including combustion
Burner main body and combustion tube are provided with combustion tube on the right side of the burner body, and the combustion tube is fixed with burner body
Connection, the intermediate position of the burner body are provided with maintenance door, and the maintenance door is flexibly connected with burner body, described
The left and right side of maintenance door is provided with hinge, and the hinge is fixedly connected with maintenance door, and the left end of the burner body is set
It is equipped with master control, the master control and burner body are electrically connected, and the bottom end of the burner body is equipped with thermovent, the heat dissipation
Mouth is fixedly connected with burner body, and the bottom end of the burner body is equipped with fuel filler tube, the fuel filler tube and combustion
For burner main body through connection, the bottom end of the burner body is equipped with supporting leg, and the supporting leg and burner body, which are fixed, to be connected
It connects, the hollow out position of the burner body is provided with combustion chamber, and the combustion chamber is fixedly connected with burner body, the combustion
The bottom end for burning room is provided with blower motor, and the blower motor and burner body are electrically connected, and the right end of the combustion tube is set
It is equipped with burner, the burner is fixedly connected with combustion tube, and the top of the combustion tube is provided with heat sink, the heat sink
It is fixedly connected with combustion tube.
Further, the top of the fuel filler tube is provided with oxygen-enriched mixing head, the oxygen-enriched mixing head and combustion chamber
Through connection.
Further, combustion-supporting machine is provided on the left of the combustion chamber, the combustion-supporting machine is fixedly connected with combustion chamber.
Further, the intermediate position of the fuel filler tube is provided with carbon molecular sieve, and the carbon molecular sieve and fuel are infused
Enter pipe insertion connection.
Further, OFA wind spray apparatus, the OFA wind spray apparatus and the fixed company of combustion tube are provided on the left of the combustion tube
It connects.
Further, the burner is using made of high-speed steel resistant to high temperature.
Further, the burner body is using integral structure.
Compared with prior art, the utility model has the beneficial effects that；This kind of energy-saving low NO is using one
Body formula structure, makes the structure between machine more accurate, and control system, detection system, alarm system etc. are combined as a whole, made
Its operation is more simple and convenient, and the intermediate position that fuel master enters pipe is provided with carbon molecular sieve, the micropore for being 4 angstroms containing a large amount of diameters,
The micropore is stronger to the moment affinity of oxygen molecule, can be used to separate the nitrogen in gas, and itself can be reused, and reduces
The cost of fume treatment, the top of fuel filler tube are provided with oxygen-enriched mixing head, allow the fuel to burn in conjunction with more oxygen,
It reduces heat to drain in a manner of flue gas, fuel is made to be fully utilized, exhaust gas temperature reduces, and increases substantially burning effect
Rate, comburant oxygen burned flame temperature is more many than being higher by when air burning, improves combustion power, the left side setting of combustion chamber
There is combustion-supporting machine, moment and oxygen full combustion under the conditions of burning point is lower improve calorific value to the maximum extent, promote temperature, together
When greatly reduce carbon deposit, dust particles etc. discharge, achieve the effect that energy-saving and environmental protection and improve working efficiency, the left side of combustion tube
It is provided with OFA wind spray apparatus, plays the residual rotation that removes smoke, prevents flame kernel deflection, while can also be effectively reduced NOX's
The effect of generation, allows combustible to stop in combustion chamber, improves efficiency of combustion, come with reaching energy-efficient mesh, what burner used
It is made of high-speed steel resistant to high temperature, it can be achieved that cold state spark, for excess air coefficient α close to 1.0, flue gas loss is small, no lime-ash
It generates, nitrogen discharge capacity is less, is conducive to protect environment, and burning calorific intensity is big, and volume heat load is high, and can realize no flame combustion
It burns, to improve energy utilization rate burning sufficiently, fractional energy savings improves 25.5%.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the diagrammatic cross-section of the utility model;
Fig. 3 is the combustion tube structural schematic diagram of the utility model.
In figure：1, burner body, 2, combustion tube, 201, burner, 202, combustion chamber, 203, oxygen-enriched mixing head, 204,
Combustion-supporting machine, 205, blower motor, 206, carbon molecular sieve, 3, maintenance door, 301, OFA wind spray apparatus, 302, combustion hot hole, 4, hinge, 5,
Master control, 6, thermovent, 7, fuel filler tube, 8, supporting leg.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It describes clear and completely, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Example is applied, based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution：A kind of energy-saving low NO, including burning
Device main body 1 and combustion tube 2, the right side of burner body 1 are provided with combustion tube 2, and combustion tube 2 is fixedly connected with burner body 1,
The intermediate position of burner body 1 is provided with maintenance door 3, and maintenance door 3 is flexibly connected with burner body 1, the left side of maintenance door 3
Right side is provided with hinge 4, hinge 4 is fixedly connected with maintenance door 3, and the left end of burner body 1 is provided with master control 5, master control 5 with
Burner body 1 is electrically connected, and the bottom end of burner body 1 is equipped with thermovent 6, thermovent 6 and the fixed company of burner body 1
It connects, the bottom end of burner body 1 is equipped with fuel filler tube 7, fuel filler tube 7 and burner body 1 through connection, burner master
The bottom end of body 1 is equipped with supporting leg 8, and supporting leg 8 is fixedly connected with burner body 1, and the hollow out position of burner body 1 is provided with
Combustion chamber 202, combustion chamber 202 are fixedly connected with burner body 1, and the bottom end of combustion chamber 202 is provided with blower motor 205, wind
Machine motor 205 and burner body 1 are electrically connected, and the right end of combustion tube 2 is provided with burner 201, burner 201 and combustion tube
2 are fixedly connected, and the top of combustion tube 2 is provided with heat sink 302, and heat sink 302 is fixedly connected with combustion tube 2.
Further, the top of fuel filler tube 7 is provided with oxygen-enriched mixing head 203, oxygen-enriched mixing head 203 and combustion chamber
202, through connection, allow fuel to burn in conjunction with more oxygen, reduce heat and are drained in a manner of flue gas, fill fuel
The utilization divided, exhaust gas temperature reduce, and efficiency of combustion are increased substantially, when comburant oxygen burned flame temperature is than air burning
It is higher by very much, raising combustion power.
Further, the left side of combustion chamber 202 is provided with combustion-supporting machine 204, and combustion-supporting machine 204 is fixedly connected with combustion chamber 202,
Core material is to be refined after mixing a variety of rare metals and biochemical material with high-tech technique, which has strong
The characteristic of power concussion drives the micel of periphery combustion gas to generate collective and shakes strongly, and the subset of strength catalysis can fire
Moment and oxygen full combustion under the conditions of point is lower, improve calorific value to the maximum extent, promote temperature, while greatly reducing product
The discharge such as charcoal, dust particles achievees the effect that energy-saving and environmental protection and improves working efficiency.
Further, the intermediate position of fuel filler tube 7 is provided with carbon molecular sieve 206, and carbon molecular sieve 206 and fuel inject
The insertion connection of pipe 7, the main component of carbon molecular sieve are elemental carbon, and appearance is black column solid, because being 4 angstroms containing a large amount of diameters
Micropore, the micropore is stronger to the moment affinity of oxygen molecule, can be used to separate the nitrogen in gas, and itself can repeat to make
With reducing the cost of fume treatment.
Further, the left side of combustion tube 2 is provided with OFA wind spray apparatus 301, OFA wind spray apparatus 301 and the fixed company of combustion tube 2
It connects, plays the residual rotation that removes smoke, prevent flame kernel deflection, while the effect of the generation of NOX can also be effectively reduced, allow
Combustible stops in combustion chamber, efficiency of combustion is improved, come with reaching energy-efficient mesh.
Further, burner 201 is using made of high-speed steel resistant to high temperature, being a kind of to have high rigidity, high resistance to
The steel of mill property and high-fire resistance, can to avoid burner at high temperature performance decline, temperature distortion is, it can be achieved that cold state spark, mistake
Air coefficient α is remained close to 1.0, flue gas loss is small, and no lime-ash generates, and nitrogen discharge capacity is less, is conducive to protect environment, the combustion heat
Intensity is big, and volume heat load is high, and can realize non-flaming combustion, and to improve energy utilization rate burning sufficiently, fractional energy savings is improved
25.5%。
Further, burner body 1 makes the structure between machine more accurate using integral structure, will control
System processed, detection system, alarm system etc. are combined as a whole, and keep its operation more simple and convenient.
Working principle：Burner body 1 makes the structure between machine more accurate using integral structure first,
Control system, detection system, alarm system etc. are combined as a whole, keep its operation more simple and convenient, then fuel filler tube 7
Intermediate position is provided with carbon molecular sieve 206, and main component is elemental carbon, and appearance is black column solid, because containing a large amount of diameters
For 4 angstroms of micropore, the micropore is stronger to the moment affinity of oxygen molecule, can be used to separate the nitrogen in gas, and energy itself
It reuses, reduces the cost of fume treatment, the top of subsequent fuel filler tube 7 is provided with oxygen-enriched mixing head 203, allows fuel
It burns in conjunction with more oxygen, reduces heat and drained in a manner of flue gas, fuel is made to be fully utilized, exhaust gas temperature drop
It is low, efficiency of combustion is increased substantially, comburant oxygen burned flame temperature is more many than being higher by when air burning, improves burning function
Rate, then the left side of combustion chamber 202 is provided with combustion-supporting machine 204, and core material is to mix a variety of rare metals and biochemical material
It is refined afterwards with high-tech technique, which has the characteristic of strength concussion, and the micel of periphery combustion gas is driven to generate
Collective shakes strongly, the subset of strength catalysis can under the conditions of burning point is lower moment and oxygen full combustion, it is maximum
It improves to limit calorific value, the discharge such as promotes temperature, while greatly reducing carbon deposit, dust particles, reach energy-saving and environmental protection and improve work
Make the effect of efficiency, and then the left side of combustion tube 2 is provided with OFA wind spray apparatus 301, and can remove smoke residual rotation, prevents
Flame kernel deflection, while the effect of the generation of NOX can also be effectively reduced, it allows combustible to stop in combustion chamber, improves combustion
Burn efficiency, come with reaching energy-efficient mesh, final combustion mouth 201 using made of high-speed steel resistant to high temperature, have high rigidity,
High-wearing feature and high-fire resistance, can to avoid burner at high temperature performance decline, temperature distortion is, it can be achieved that cold state spark, mistake
Air coefficient α is remained close to 1.0, flue gas loss is small, and no lime-ash generates, and nitrogen discharge capacity is less, is conducive to protect environment, the combustion heat
Intensity is big, and volume heat load is high, and can realize non-flaming combustion, and to improve energy utilization rate burning sufficiently, fractional energy savings is improved
25.5%。
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of energy-saving low NO, including burner body（1）And combustion tube（2）, it is characterised in that：The burner
Main body（1）Right side be provided with combustion tube（2）, the combustion tube（2）With burner body（1）It is fixedly connected, the burner
Main body（1）Intermediate position be provided with maintenance door（3）, the maintenance door（3）With burner body（1）It is flexibly connected, the dimension
Protect door（3）Left and right side be provided with hinge（4）, the hinge（4）With maintenance door（3）It is fixedly connected, the burner master
Body（1）Left end be provided with master control（5）, the master control（5）With burner body（1）It is electrically connected, the burner body（1）
Bottom end be equipped with thermovent（6）, the thermovent（6）With burner body（1）It is fixedly connected, the burner body（1）'s
Bottom end is equipped with fuel filler tube（7）, the fuel filler tube（7）With burner body（1）Through connection, the burner body
（1）Bottom end be equipped with supporting leg（8）, the supporting leg（8）With burner body（1）It is fixedly connected, the burner body（1）
Hollow out position be provided with combustion chamber（202）, the combustion chamber（202）With burner body（1）It is fixedly connected, the combustion chamber
（202）Bottom end be provided with blower motor（205）, the blower motor（205）With burner body（1）It is electrically connected, it is described
Combustion tube（2）Right end be provided with burner（201）, the burner（201）With combustion tube（2）It is fixedly connected, the burning
Pipe（2）Top be provided with heat sink（302）, the heat sink（302）With combustion tube（2）It is fixedly connected.
2. a kind of energy-saving low NO according to claim 1, it is characterised in that：The fuel filler tube（7）'s
Top is provided with oxygen-enriched mixing head（203）, the oxygen-enriched mixing head（203）With combustion chamber（202）Through connection.
3. a kind of energy-saving low NO according to claim 1, it is characterised in that：The combustion chamber（202）A left side
Side is provided with combustion-supporting machine（204）, the combustion-supporting machine（204）With combustion chamber（202）It is fixedly connected.
4. a kind of energy-saving low NO according to claim 1, it is characterised in that：The fuel filler tube（7）'s
Intermediate position is provided with carbon molecular sieve（206）, the carbon molecular sieve（206）With fuel filler tube（7）Insertion connection.
5. a kind of energy-saving low NO according to claim 1, it is characterised in that：The combustion tube（2）Left side
It is provided with OFA wind spray apparatus（301）, the OFA wind spray apparatus（301）With combustion tube（2）It is fixedly connected.
6. a kind of energy-saving low NO according to claim 1, it is characterised in that：The burner（201）Using
Be made of high-speed steel resistant to high temperature.
7. a kind of energy-saving low NO according to claim 1, it is characterised in that：The burner body（1）It adopts
It is integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820351128.6U CN208139320U (en) | 2018-03-15 | 2018-03-15 | A kind of energy-saving low NO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820351128.6U CN208139320U (en) | 2018-03-15 | 2018-03-15 | A kind of energy-saving low NO |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208139320U true CN208139320U (en) | 2018-11-23 |
Family
ID=64289386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820351128.6U Expired - Fee Related CN208139320U (en) | 2018-03-15 | 2018-03-15 | A kind of energy-saving low NO |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208139320U (en) |
-
2018
- 2018-03-15 CN CN201820351128.6U patent/CN208139320U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207019075U (en) | A kind of circulating fluid bed garbage furnace | |
| CN206094170U (en) | Energy -concerving and environment -protective ignition of coal ignites | |
| CN202660537U (en) | Double-cyclone combustion cylinder anthracite duff combustion equipment | |
| CN208139320U (en) | A kind of energy-saving low NO | |
| CN203385194U (en) | Porous medium flue gas hot blast stove capable of burning inferior fuel | |
| CN206222292U (en) | A kind of biomass boiler energy-saving combustion system | |
| CN206222291U (en) | A kind of biomass boiler returning charge burner | |
| CN209386319U (en) | Active carbon carbonization furnace exhaust gas processing device | |
| CN202328181U (en) | Flue gas circulation backfiring device | |
| CN2926824Y (en) | Smokeless secondary combustion environment-friendly energy-saving hot blast stove | |
| CN200975688Y (en) | Multipurpose secondary combustion environment-friendly energy-saving furnace | |
| CN205227787U (en) | Environmental protection and energy saving type marsh gas boiler | |
| CN212299004U (en) | Circulating fluidized bed waste incineration boiler based on fire grate | |
| CN203718754U (en) | Dual-purpose horizontal boiler capable of burning biomass powder and fire coal | |
| CN2511874Y (en) | Heat storing burner for blast furnace gas | |
| CN215765000U (en) | Horizontal fuel oil and gas steam boiler | |
| CN201819386U (en) | Double-furnace hearth boiler | |
| CN210179606U (en) | Fuel oil, fuel gas, coal and biomass particle burning multipurpose integrated furnace | |
| CN205919315U (en) | Smoke prevention and dust control desulfurization boiler kitchen range combustion -supporting | |
| CN211976842U (en) | Biomass steam generator | |
| CN202328343U (en) | Energy-saving coal burning boiler with multi-section furnace arch | |
| CN208382557U (en) | Set burner directly-heated total exchange hot-water boiler in bottom | |
| CN203240591U (en) | Smoke abatement device for strong combustion | |
| CN202747334U (en) | Smokeless combustion system for zinc melting furnace | |
| CN201081229Y (en) | Integrated environment protective power saving coal gas boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |