CN107557529A - A kind of U-shaped scrap heating system - Google Patents
A kind of U-shaped scrap heating system Download PDFInfo
- Publication number
- CN107557529A CN107557529A CN201710860162.6A CN201710860162A CN107557529A CN 107557529 A CN107557529 A CN 107557529A CN 201710860162 A CN201710860162 A CN 201710860162A CN 107557529 A CN107557529 A CN 107557529A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 95
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 238000007664 blowing Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000003034 coal gas Substances 0.000 claims description 42
- 239000012530 fluid Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000002699 waste material Substances 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The present invention relates to a kind of U-shaped scrap heating system, including U-shaped heating furnace, and the bell of the U-shaped heating furnace top surface and body of heater two sides are equipped with burner, for being preheated to steel scrap in stove；U-shaped stove side is provided with the second frame, and pulley and steel wire rope mechanism are provided with by the second frame, for by bell opening overhead traveling crane toward U-shaped furnace charge；U-shaped stove is connected with the first rack pivot, and bottom of furnace body is connected with 2 hydraulic cylinders below tail end, and 2 hydraulic cylinder other ends are fixed on ground；U-shaped burner end is provided with fire door, for blowing；Track is provided with below body of heater on ground, blowing dolly slides into along the track from U-shaped stokehold side and blowing is carried out below fire door.The present invention uses 1 U-shaped heating furnace for carrying burner, you can completes charging, baking and the blowing operation to steel scrap.It is sealing baking during baking, thermal loss can be reduced, improve fuel availability, the preheating situation when place that is particularly suitable for use in is little to steel scrap.
Description
Technical field
The invention belongs to heating device technology area, preheated online more particularly, to a kind of steel scrap for electric furnace steel making and be
System, specifically a kind of U-shaped scrap heating system.
Background technology
In being produced using intermediate frequency furnace as the steel of smelting furnace, in order to energy-saving, it usually needs steel scrap is preheated, mesh
Preceding scrap steel preheating is usually offline design, i.e.,：Scrap steel preheating is subsequently poured into storage tank to 800 DEG C or so in a place
In, then next group steel scrap is preheated, storage tank is transported to electric furnace position, pours into electric furnace and carries out melting, this mode typically at least needs
3 dollies are wanted, are charging dolly respectively, toast dolly and blowing dolly, three dolly circulation work operations.On the one hand this shape
The scrap steel preheating efficiency of formula is low, and inconvenience is brought to production；On the other hand, it is necessary to corresponding personnel's real-time operation, increase
Cost investment, and dolly longtime running, add its fault rate, and later period maintenance and maintenance cost are higher, and are turning
Amount of heat can be lost during fortune, causes the waste of mass energy.
The content of the invention
A kind of U-shaped scrap heating system is provided the invention aims to overcome the deficiencies in the prior art, using carrying
The U-shaped heating furnace of burner, only with a heating furnace, whole system is fixed, only needs blowing dolly to move, you can completion pair
Charging, baking and the blowing operation of steel scrap.It is very easy to use, it is sealing baking during baking, thermal loss can be reduced, carried
High fuel availability, realize that depth energy saving lowers consumption, the preheating situation when place that is particularly suitable for use in is little to steel scrap.
The object of the invention to solve the technical problems is realized using following technical scheme.Itd is proposed according to the present invention
A kind of U-shaped scrap heating system, including U-shaped heating furnace 1, on bell 2 of the U-shaped heating furnace top surface and the U-shaped heating furnace
Two sides be equipped with least one burner 3；The side of U-shaped heating furnace is provided with the second frame 10, and the side of the second frame 10 is set
There are pulley and steel wire rope mechanism 12, bell 2 can be opened by the pulley and steel wire rope mechanism, then with overhead traveling crane toward U-shaped heating
Furnace charge；
The U-shaped heating furnace top surface and the burner 3 of two sides are used to the steel scrap in U-shaped heating furnace toast pre-
Heat；
Two sides of the U-shaped heating furnace are pivotally connected by bearing block 4 and the first frame 5, U-shaped heating furnace bottom
2 hydraulic cylinders 6 are connected with below tail end, the other end of 2 hydraulic cylinders is fixed on ground；With U-shaped heating furnace tail end
Corresponding head end is provided with fire door 7, and the fire door 7 passes through the open or close of fluid power push rod 11；Set on ground below U-shaped heating furnace
Track 8 is equipped with, blowing dolly 9 slides into along the track 8 from U-shaped heating furnace front and blowing is carried out below fire door；
The charging, baking, blowing that U-shaped scrap heating stove is completed by above procedure operate.
The object of the invention to solve the technical problems can be also applied to the following technical measures to achieve further.
Foregoing U-shaped scrap heating system, wherein, two sides of the U-shaped heating furnace are equipped with the first air and are in charge of
1-1, the first gas manifold 1-2, the first air circuit 1-3, the first coal gas circuit 1-4, the burner of two sides are empty by first
Qi leel pipe 1-1 and the first gas manifold 1-2 connects with the first air circuit 1-3 and the first coal gas circuit 1-4 respectively；
The tail end of U-shaped heating furnace 1 is provided with the first air header 1-5 and the first gas main 1-6, first air header
1-5 and the first gas main 1-6 connects with the first air circuit 1-3 and the first coal gas circuit 1-4 respectively.
Foregoing U-shaped scrap heating system, wherein, air passes through the first air header 1-5, the first air circuit 1- successively
3 are in charge of 1-1 into the first air, and coal gas enters the first coal gas by the first gas main 1-6, the first coal gas circuit 1-4 successively
It is in charge of 1-2, coal gas and air burn in burner after entering respective subtube, the steel scrap in U-shaped heating furnace carried out
Baking preheating；I.e.：First air header 1-5 and the first gas main 1-6 provide total gas for the burner of U-shaped heating furnace both sides
Source.
Foregoing U-shaped scrap heating system, wherein, bell 2 is in charge of 2-1, the second gas manifold 2- provided with the second air
2nd, the second air circuit 2-3, the second coal gas circuit 2-4, the burner on bell are in charge of 2-1 and the second coal gas by the second air
It is in charge of 2-2 to connect with the second air circuit 2-3 and the second coal gas circuit 2-4 respectively；
The both sides of second frame 10 are respectively equipped with the second air header 2-5 and the second gas main 2-6, the second frame
Top surface is provided with 2 bearing blocks, and the second air header 2-5 and the second gas main 2-6 of frame top surface are reached for being respectively fixed to,
The second air header 2-5 and the second gas main 2-6 connects with the second air circuit 2-3 and the second coal gas circuit 2-4 respectively.
Foregoing U-shaped scrap heating system, wherein, air passes through the second air header 2-5, the second air circuit 2- successively
3 are in charge of 2-1 into the second air, and coal gas enters the second coal gas by the second gas main 2-6, the second coal gas circuit 2-4 successively
It is in charge of 2-2, coal gas and air burn in burner after entering respective subtube, the steel scrap in U-shaped heating furnace carried out
Baking preheating；I.e.：Second air header 2-5 and the second gas main 2-6 provides total gas for the burner of U-shaped heating furnace top surface
Source.
Foregoing U-shaped scrap heating system, wherein, the first air header 1-5, the first gas main 1-6, the second sky
Gas house steward 2-5, the second gas main 2-6 connect with external air source, the first gas main 1-6 and the second gas main 2-
6 are connected by being flexible coupling with coal gas external air source, are moved easily；Described is flexible coupling using metal hose.
Foregoing U-shaped scrap heating system, wherein, during blowing, hydraulic cylinder 6 jacks up U-shaped heating furnace afterbody, U-shaped heating
Furnace head is fallen, and fire door 7 is opened by fluid power push rod 11, carries out blowing；Material is discharged, fluid power push rod 11 closes fire door 7, hydraulic pressure
Cylinder is withdrawn, and U-shaped heating furnace afterbody is fallen, and its head and afterbody is in poised state, meanwhile, blowing dolly 9 will be pre- through loop wheel machine
Steel scrap after heat moves next program processing to.
Foregoing U-shaped scrap heating system, wherein, the burner number on bell is 8, the combustion of U-shaped heating furnace side
Burner number is per side 8.
By above-mentioned technical proposal, advantages of the present invention and effect are：
The present invention only carries baking system with a U-shaped heating furnace, the U-shaped heating furnace, and whole system is fixed, only needs
Blowing dolly moves, you can completes charging, baking and the blowing operation to steel scrap.It is very easy to use, the U-shaped heating furnace
Length and the quantity of burner can be determined according to actual conditions.It is sealing baking during baking, thermal loss can be reduced, improve fuel
Utilization rate, realize that depth energy saving lowers consumption.Present invention is particularly suitable for preheating situation of place when little to steel scrap.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the present invention above-mentioned advantage and other purposes, feature and advantage
It can become apparent, below especially exemplified by preferred embodiment, describe in detail as follows.
Brief description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is Fig. 1 left view；
Fig. 3 is the top view of the present invention；
Fig. 4 is present invention charging view；
Fig. 5 is blowing view of the present invention, and for clear expression, the figure omits the second frame and pulley and steel wire rope machine
Structure.
【Component symbol explanation】
1：U-shaped heating furnace 2：Bell 3：Burner 4：Bearing block
5：First frame 6：Hydraulic cylinder 7：Fire door 8：Track
9：Blowing dolly 10：Second frame 11：Fluid power push rod
12：Pulley and steel wire rope mechanism
1-1：First air is in charge of 1-2：First gas manifold 1-3：First air circuit
1-4：First coal gas circuit 1-5：First air header 1-6：First gas main
2-1：Second air is in charge of 2-2：Second gas manifold 2-3：Second air circuit
2-4：Second coal gas circuit 2-5：Second air header 2-6：Second gas main
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to according to a kind of U-shaped scrap heating system proposed by the present invention, its embodiment, structure, spy
Sign and its effect, describe in detail as after.
The present invention is a kind of U-shaped scrap heating system, including U-shaped heating furnace 1, on the bell 2 of U-shaped heating furnace top surface and
The two sides of the U-shaped heating furnace are respectively provided with least one burner 3, and U-shaped heating furnace two sides are equipped with the first air and are in charge of 1-
1st, the first gas manifold 1-2, the first air circuit 1-3, the first coal gas circuit 1-4, the burner of two sides pass through the first air
It is in charge of 1-1 and the first gas manifold 1-2 to connect with the first air circuit 1-3 and the first coal gas circuit 1-4 respectively；Set on bell 2
There is the second air to be in charge of 2-1, the second gas manifold 2-2, the second air circuit 2-3, the second coal gas circuit 2-4, the combustion on bell
Burner by the second air be in charge of 2-1 and the second gas manifold 2-2 respectively with the second air circuit 2-3 and the second coal gas circuit 2-
4 connections.
The both sides of the U-shaped heating furnace are pivotally connected by bearing block 4 and the first frame 5, and U-shaped heating furnace bottom is close to tail
2 hydraulic cylinders 6 are connected with below end, the other end of 2 hydraulic cylinders is fixed on ground.Head end corresponding with tail end is provided with
Fire door 7.Track 8 is provided with below U-shaped heating furnace, blowing dolly 9 slides into head along the track 8 from U-shaped heating furnace head end front
End lower section carries out blowing, and during blowing, hydraulic cylinder 6 jacks up U-shaped heating furnace afterbody, and under U-shaped heating burner clan, fire door 7 passes through
Fluid power push rod 11 is opened, and carries out blowing, as shown in Figure 5；Material is discharged, fluid power push rod 11 closes fire door 7, and hydraulic cylinder is withdrawn, U-shaped
Heating furnace afterbody is fallen, and its head and afterbody is in poised state.
The tail end of U-shaped heating furnace 1 is additionally provided with the first air header 1-5 and the first gas main 1-6, and first air is total
Pipe 1-5 and the first gas main 1-6 connects with the first air circuit 1-3 and the first coal gas circuit 1-4 respectively.I.e.：First air
House steward 1-5 and the first gas main 1-6 provide total source of the gas for the burner of U-shaped heating furnace both sides.
The side of U-shaped heating furnace is provided with the second frame 10, and the both sides of second frame are respectively equipped with the second air header
2-5 and the second gas main 2-6, the top surface of the second frame 10 are provided with 2 bearing blocks, reach the of frame top surface for being respectively fixed to
Two air header 2-5 and the second gas main 2-6, the second air header 2-5 and the second gas main 2-6 respectively with the second air
Circuit 2-3 and the second coal gas circuit 2-4 connections.Air enters by the second air header 2-5, the second air circuit 2-3 successively
Second air is in charge of 2-1, and coal gas enters the second gas manifold 2- by the second gas main 2-6, the second coal gas circuit 2-4 successively
2, coal gas and air burn after entering respective subtube in burner, the steel scrap in U-shaped heating furnace toast pre-
Heat.I.e.：Second air header 2-5 and the second gas main 2-6 provides total source of the gas for the burner of U-shaped heating furnace top surface.
Further, the first air header 1-5, the first gas main 1-6, the second air header 2-5, the second coal gas are total
Pipe 2-6 connects with external air source, the first gas main 1-6 and the second gas main 2-6 by be flexible coupling with outside coal gas
Portion's source of the gas is connected, and is moved easily.Described being flexible coupling can use metal hose.
Further, the side of the second frame 10 is additionally provided with pulley and steel wire rope mechanism 12, passes through the pulley and steel wire rope
Mechanism can open bell 2, then with overhead traveling crane toward U-shaped heating furnace charge, as shown in Figure 4.
The above described is only a preferred embodiment of the present invention, any formal limitation not is done to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention
To any simple modification, equivalent change and modification made for any of the above embodiments, in the range of still falling within technical solution of the present invention.
Claims (8)
1. a kind of U-shaped scrap heating system, it is characterised in that including U-shaped heating furnace (1), the bell (2) of the U-shaped heating furnace top surface
Upper and the U-shaped heating furnace two sides are equipped with least one burner (3)；The side of U-shaped heating furnace is provided with the second frame
(10) pulley and steel wire rope mechanism (12), are provided with beside the second frame (10), can be by bell by the pulley and steel wire rope mechanism
(2) open, then with overhead traveling crane toward U-shaped heating furnace charge；
The U-shaped heating furnace top surface and the burner (3) of two sides are used to the steel scrap in U-shaped heating furnace toast pre-
Heat；
Two sides of the U-shaped heating furnace are pivotally connected by bearing block (4) and the first frame (5), U-shaped heating furnace bottom
2 hydraulic cylinders (6) are connected with below tail end, the other end of 2 hydraulic cylinders is fixed on ground；With U-shaped heating furnace tail
Head end corresponding to end is provided with fire door (7), and the fire door (7) passes through fluid power push rod (11) open or close；Below U-shaped heating furnace
Track (8) is provided with ground, blowing dolly (9) slides into below fire door along the track (8) from U-shaped heating furnace front and put
Material；
The charging, baking, blowing that U-shaped scrap heating stove is completed by above procedure operate.
2. U-shaped scrap heating system as claimed in claim 1, it is characterised in that two sides of the U-shaped heating furnace are all provided with
There is the first air to be in charge of (1-1), the first gas manifold (1-2), the first air circuit (1-3), the first coal gas circuit (1-4), two
The burner of side by the first air be in charge of (1-1) and the first gas manifold (1-2) respectively with the first air circuit (1-3) and
First coal gas circuit (1-4) connects；
The tail end of U-shaped heating furnace (1) is provided with the first air header (1-5) and the first gas main (1-6), and first air is total
Pipe (1-5) and the first gas main (1-6) connect with the first air circuit (1-3) and the first coal gas circuit (1-4) respectively.
3. U-shaped scrap heating system as claimed in claim 2, it is characterised in that air passes through the first air header (1- successively
5), the first air circuit (1-3) is in charge of (1-1) into the first air, and coal gas is successively by the first gas main (1-6), first
Coal gas circuit (1-4) enters the first gas manifold (1-2), and coal gas and air enter after respective subtube in burner internal combustion
Burn, baking preheating is carried out to the steel scrap in U-shaped heating furnace；I.e.：First air header (1-5) and the first gas main (1-6) are U
The burner of type heating furnace both sides provides total source of the gas.
4. U-shaped scrap heating system as claimed in claim 1, it is characterised in that bell (2) is in charge of (2- provided with the second air
1), the second gas manifold (2-2), the second air circuit (2-3), the second coal gas circuit (2-4), the burner on bell pass through
Two air be in charge of (2-1) and the second gas manifold (2-2) respectively with the second air circuit (2-3) and the second coal gas circuit (2-4)
Connection；
The both sides of second frame (10) are respectively equipped with the second air header (2-5) and the second gas main (2-6), the second machine
Top of support is provided with 2 bearing blocks, and the second air header (2-5) and the second gas main of frame top surface are reached for being respectively fixed to
(2-6), second air header (2-5) and the second gas main (2-6) respectively with the second air circuit (2-3) and the second coal gas
Circuit (2-4) connects.
5. U-shaped scrap heating system as claimed in claim 4, it is characterised in that air passes through the second air header (2- successively
5), the second air circuit (2-3) is in charge of (2-1) into the second air, and coal gas is successively by the second gas main (2-6), second
Coal gas circuit (2-4) enters the second gas manifold (2-2), and coal gas and air enter after respective subtube in burner internal combustion
Burn, baking preheating is carried out to the steel scrap in U-shaped heating furnace；I.e.：Second air header 2-5 and the second gas main 2-6 adds to be U-shaped
The burner of hot stove top surface provides total source of the gas.
6. the U-shaped scrap heating system as described in claim 2 or 4, it is characterised in that first air header (1-5),
One gas main (1-6), the second air header (2-5), the second gas main (2-6) are connected with external air source, and described first
Gas main (1-6) and the second gas main (2-6) are connected by being flexible coupling with coal gas external air source, are moved easily；It is described
Be flexible coupling using metal hose.
7. U-shaped scrap heating system as claimed in claim 1, it is characterised in that during blowing, hydraulic cylinder (6) is by U-shaped heating furnace
Afterbody is jacked up, and under U-shaped heating burner clan, fire door (7) is opened by fluid power push rod (11), carries out blowing；Material is discharged, fluid power pushes away
Bar (11) closes fire door (7), and hydraulic cylinder is withdrawn, and U-shaped heating furnace afterbody is fallen, and its head and afterbody is in poised state,
Meanwhile blowing dolly (9) is moved the steel scrap after preheating to next program through loop wheel machine and handled.
8. U-shaped scrap heating system as claimed in claim 1, it is characterised in that the burner number on bell is 8, U-shaped
The burner number of heating furnace side is per side 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710860162.6A CN107557529B (en) | 2017-09-21 | 2017-09-21 | A kind of U-shaped scrap heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710860162.6A CN107557529B (en) | 2017-09-21 | 2017-09-21 | A kind of U-shaped scrap heating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107557529A true CN107557529A (en) | 2018-01-09 |
| CN107557529B CN107557529B (en) | 2019-03-29 |
Family
ID=60981631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710860162.6A Active CN107557529B (en) | 2017-09-21 | 2017-09-21 | A kind of U-shaped scrap heating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107557529B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548426A (en) * | 2018-07-12 | 2018-09-18 | 张会强 | A kind of scrap heating stove |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6327635B2 (en) * | 1985-08-06 | 1988-06-03 | Yamaguchi Kyoei Kogyo Kk | |
| CN1033529A (en) * | 1987-12-17 | 1989-06-28 | 沃斯特-阿尔派因多纳维茨钢铁股份有限公司 | The method of continuous smelting iron and steel scrap and equipment thereof |
| RU2401404C2 (en) * | 2008-06-16 | 2010-10-10 | Александр Петрович Лежнев | Steel furnace electric-arc flue gas scrap heater |
| CN103822489A (en) * | 2014-03-21 | 2014-05-28 | 张昌剑 | Waste-steel continuous preheating method and waste-steel continuous preheating device |
-
2017
- 2017-09-21 CN CN201710860162.6A patent/CN107557529B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6327635B2 (en) * | 1985-08-06 | 1988-06-03 | Yamaguchi Kyoei Kogyo Kk | |
| CN1033529A (en) * | 1987-12-17 | 1989-06-28 | 沃斯特-阿尔派因多纳维茨钢铁股份有限公司 | The method of continuous smelting iron and steel scrap and equipment thereof |
| RU2401404C2 (en) * | 2008-06-16 | 2010-10-10 | Александр Петрович Лежнев | Steel furnace electric-arc flue gas scrap heater |
| CN103822489A (en) * | 2014-03-21 | 2014-05-28 | 张昌剑 | Waste-steel continuous preheating method and waste-steel continuous preheating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548426A (en) * | 2018-07-12 | 2018-09-18 | 张会强 | A kind of scrap heating stove |
| CN108548426B (en) * | 2018-07-12 | 2023-11-10 | 张会强 | Scrap steel heating furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107557529B (en) | 2019-03-29 |
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Address after: 471399 No.1 Gaoxin Road, Hebin Street Office, Yichuan County, Luoyang City, Henan Province Patentee after: Luoyang Woyouda Technology Co.,Ltd. Country or region after: China Address before: No. 8 Qingcheng Road, High-tech Development Zone, Luoyang City, Henan Province, 471000 Patentee before: LUOYANG WODA ENERGY SAVING TECHNOLOGY CO.,LTD. Country or region before: China |