CN208475970U - A kind of rotary zinc-melting furnace - Google Patents
A kind of rotary zinc-melting furnace Download PDFInfo
- Publication number
- CN208475970U CN208475970U CN201820656134.2U CN201820656134U CN208475970U CN 208475970 U CN208475970 U CN 208475970U CN 201820656134 U CN201820656134 U CN 201820656134U CN 208475970 U CN208475970 U CN 208475970U
- Authority
- CN
- China
- Prior art keywords
- furnace body
- zinc
- rotating furnace
- rotating
- gantry base
- 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.)
- Withdrawn - After Issue
Links
- 238000002844 melting Methods 0.000 title claims abstract description 28
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000011701 zinc Substances 0.000 claims abstract description 56
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- 238000005096 rolling process Methods 0.000 claims abstract description 25
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- IPCXNCATNBAPKW-UHFFFAOYSA-N zinc;hydrate Chemical compound O.[Zn] IPCXNCATNBAPKW-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
A kind of rotary zinc-melting furnace, gantry base is equipped with the arc concave shape burning seat that inner wall is arc, arc concave shape burning seat is equipped with into fiery channel, the front of gantry base is equipped with front left back-up roller wheel and front right back-up roller wheel, the rear portion of gantry base is equipped with rear left back-up roller wheel and rear right support idler wheel, gantry base is equipped with rotating furnace body driving motor, rotating furnace body drive motor shaft is equipped with rotating furnace body and drives gear, gantry base, which is equipped with, changes zinc burner, rotating furnace body is equipped with advance burner and rear air inlet, the front of rotating furnace body is equipped with rolling band before a circle rotating furnace body, the rear portion of rotating furnace body is equipped with rolling band after a circle rotating furnace body, rotating furnace body is equipped with a circle rotating furnace body tooth band, lower semi-circular combustion heating gap is equipped between rotating furnace body and arc concave shape burning seat, therefore the flame sprayed is limited in furnace body and heating seam In gap, temperature is concentrated, and realizes that the intracorporal zinc of revolving burner carries out rolling stirring after rotating furnace body rotation.
Description
Technical field
The utility model relates to a kind of rotary zinc-melting furnaces.
Background technique
Existing Patent No.: a kind of biological particles furnace of 201720094099.5., that is, zinc-melting furnace include furnace body and
Pot body, the furnace body have heating pit, and the pot body is mounted on heating pit, and the lower heating pit is made below pot body
For pot body, including the first lower hopper, the first blower, the first combustion chamber, the first air inlet pressure pipeline, the first lighting-up tuyere and first
Upper heating flame pipeline, including the second lower hopper, the second blower, the second combustion chamber, the second air inlet pressure pipeline, the second lighting-up tuyere
With second on heat flame pipeline, first blower with first enter the wind pressure pipeline connect, second blower and second into
The connection of wind pressure pipeline, first lower hopper, the first air inlet pressure pipeline, the first lighting-up tuyere, heat on first the first blower
Flame pipeline, the second blower, the second air inlet pressure pipeline, heats flame on the second lighting-up tuyere and second at second lower hopper
Pipeline is respectively positioned on furnace body, and described the first combustion chamber and the second combustion chamber are respectively positioned in furnace body, first lower hopper, first into
Wind pressure pipeline heats flame pipeline on first and the first lighting-up tuyere is communicated with the first combustion chamber, second lower hopper,
Second air inlet pressure pipeline and the second lighting-up tuyere are communicated with the second combustion chamber, and flame pipeline and second is heated on described first
Upper heating flame pipeline acts on pot body above pot body, and the heating pit is equipped with pit into burner, the pit into
Burner is communicated with the second combustion chamber, and the heating pit is equipped on second heating flame pipeline into burner, on described second plus
Thermal jet fire tube road is communicated into burner with heating flame pipeline on second, and the height for heating flame pipeline into burner on described second is high
In pit into burner, the bottom of the heating pit is equipped with bottom air inlet and is pressurized import, sets in the bottom air inlet pressurization import
There is filter plate, the inner wall of the heating pit is equipped with a circle burning groove, and the height of the burning groove is higher than pit into fire
Mouthful.
Disadvantage is that: pot body opening is larger, and zinc is placed on to be melted in traditional pot body, and temperature is easy to dissipate not
It is easy to concentrate, causes zinc in pot body to be not easy to melt, need high flame high energy consumption effective, and do not have stirring function
It can heat not uniform enough.
Summary of the invention
In view of the above technical problems, the utility model provides one kind: zinc, which is placed in furnace body, to be melted, has agitating function, temperature
Degree is easy the rotary zinc-melting furnace concentrated.
In order to solve the above technical problems, the utility model uses following technical scheme: a kind of rotary zinc-melting furnace, including machine
Frame pedestal and rotating furnace body, the gantry base are equipped with the arc concave shape burning seat that inner wall is arc, the arc concave shape combustion
It burns seat to be equipped with into fiery channel, the front of the gantry base is equipped with front left back-up roller wheel and front right back-up roller wheel, the rack
The rear portion of pedestal is equipped with rear left back-up roller wheel and rear right support idler wheel, and the gantry base is equipped with rotating furnace body driving motor,
The rotating furnace body drive motor shaft is equipped with rotating furnace body and drives gear, and the gantry base, which is equipped with, changes zinc burner, institute
Rotating furnace body is stated equipped with advance burner and rear air inlet, the advance burner is communicated with rear air inlet, before the rotating furnace body
Portion is equipped with rolling band before a circle rotating furnace body, and the rear portion of the rotating furnace body is equipped with rolling band after a circle rotating furnace body, the revolving burner
Body is equipped with a circle rotating furnace body tooth band, and the rotating furnace body is mounted in gantry base, the front left back-up roller wheel and front right
Back-up roller wheel is supported on before rotating furnace body in rolling band, and the rear left back-up roller wheel and rear right support roller supporting are after rotating furnace body
In rolling band, so that rotating furnace body can be rotated with respect to the arc concave shape burning seat of gantry base, the rotating furnace body and arc concave shape
Lower semi-circular combustion heating gap, described to communicate into fiery channel with lower semi-circular combustion heating gap, institute are equipped between burning seat
It states rotating furnace body driving gear to contact with rotating furnace body tooth band, describedization zinc burner acts on inside rotating furnace body.
A kind of beneficial effect of rotary zinc-melting furnace provided by the utility model is: due to including gantry base and revolving burner
Body, the gantry base are equipped with the arc concave shape burning seat that inner wall is arc, and the arc concave shape burning seat is equipped with into fire
The front in channel, the gantry base is equipped with front left back-up roller wheel and front right back-up roller wheel, and the rear portion of the gantry base is equipped with
Rear left back-up roller wheel and rear right support idler wheel, the gantry base are equipped with rotating furnace body driving motor, and the rotating furnace body drives
Dynamic motor shaft is equipped with rotating furnace body and drives gear, and the gantry base, which is equipped with, changes zinc burner, and the rotating furnace body is equipped with
Advance burner and rear air inlet, the advance burner are communicated with rear air inlet, and the front of the rotating furnace body is equipped with a circle rotation
Rolling band before furnace body, the rear portion of the rotating furnace body are equipped with rolling band after a circle rotating furnace body, and the rotating furnace body is equipped with a circle rotation
Rotary furnace body tooth band, the rotating furnace body are mounted in gantry base, and the front left back-up roller wheel and front right back-up roller wheel are supported on
Before rotating furnace body in rolling band, the rear left back-up roller wheel and rear right support roller supporting are after rotating furnace body in rolling band, so that rotation
Rotary furnace body can be rotated with respect to the arc concave shape burning seat of gantry base, be equipped between the rotating furnace body and arc concave shape burning seat
Lower semi-circular combustion heating gap, described to be communicated into fiery channel with lower semi-circular combustion heating gap, the rotating furnace body driving
Gear is contacted with rotating furnace body tooth band, and describedization zinc burner acts on inside rotating furnace body, and rotating furnace body drives when use
Dynamic motor drives the rotation of rotating furnace body sliding tooth wheel, and the rotation of rotating furnace body sliding tooth wheel drives the rotation of rotating furnace body tooth band, rotation
Furnace body tooth band rotation drive rotating furnace body, therefore zinc be placed on relative closure tubular furnace it is intracorporal, by being connect into fiery channel
Enter burner spit tube, so that flame is in the lower semi-circular combustion heating gap between rotating furnace body and arc concave shape burning seat
The outer surface of rotating furnace body is heated in burning, is directly added by changing the flame that zinc burner sprays to the zinc inside rotating furnace body
Heat, formation is inside and outside to heat together, and the flame of ejection is limited in furnace body and heats in gap, and the flame of ejection is not allowed fugitive
Fall, temperature is concentrated, it is not easy to dissipate, and realize that the intracorporal zinc of revolving burner carries out rolling and stirs after rotating furnace body rotation
It mixes, so that it is more preferable to change zinc effect.
Further, the gantry base is equipped with upper cover, and the side of the upper cover and gantry base are hinged, the upper cover
The other side be bolted with gantry base so that upper cover can open, upper half is equipped between the upper cover and rotating furnace body
Round combustion heating gap, lower semi-circular combustion heating gap and upper half circle combustion heating gap cooperatively form circular cavity
Body, the inside of the upper cover are equipped with rotating furnace body and position pinch roller, are equipped in a circle rotating furnace body and roll in the middle part of the rotating furnace body
Band, the rotating furnace body positioning pinch roller are contacted with rolling band in rotating furnace body, and the beneficial effect of this structure is: passing through setting
Upper cover is pressed together on rotating furnace body, forms a upper idler wheel, and lower two idler wheels, three-point fix is on rotating furnace body, so that rotation
More steady, bounce when preventing rotating furnace body from rotating when furnace body rotates, and lower semi-circular combustion heating gap and upper half are round
Combustion heating gap cooperatively forms circular cavity, so that burned flame is closed in the circular cavity space an of relative closure
The interior outer surface to rotating furnace body is heated, so that heating effect is more preferable, temperature is not easy to dissipate.
Further, describedization zinc burner includes that rotating bracket, shaft and burning flame projector, the rotating bracket pass through
Shaft is rotatably mounted in gantry base, and the burning flame projector is mounted in rotating bracket, on the burning flame projector
Equipped with the limit plate that rotate in place, the limit plate that rotate in place is matched with gantry base, and the beneficial effect of this structure is: being changed
Zinc burner can be rotated away when not using, so that it is more convenient to use, by the way that the limit plate that rotate in place is arranged, avoid
Burning flame projector be moved through it is more so that burn flame projector be just aligned advance burner.
Further, the inner wall of the rotating furnace body, which is equipped with, stirs vertical piece, and the beneficial effect of this structure is: by setting
The vertical piece of stirring is set, when so that rotating furnace body rotating, mixing effect is more preferable.
Further, the rotating furnace body is equipped with zinc outlet, and the zinc outlet is equipped with fixed plug, the gantry base
It is equipped with zinc slot, the zinc slot out is matched with zinc outlet, and the beneficial effect of this structure is: by setting zinc outlet and going out
Zinc slot is put into out zinc water on zinc slot and flows out, so that zinc is more square out so that need to only open fixed plug when putting zinc water
Just.
Further, the gantry base is equipped with burning observation panel, and the burning observation panel and lower semi-circular burning add
Hot gap communicates, and the beneficial effect of this structure is: so that the combustion case in observable lower semi-circular combustion heating gap.
The utility model will be further described with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is a kind of one of the structural schematic diagram of rotary zinc-melting furnace provided by the utility model；
Fig. 2 is a kind of second structural representation of rotary zinc-melting furnace provided by the utility model；
Fig. 3 is a kind of third structural representation of rotary zinc-melting furnace provided by the utility model；
Fig. 4 is the four of the structural schematic diagram of a kind of rotary zinc-melting furnace provided by the utility model；
Fig. 5 is one of the structural schematic diagram that a kind of upper cover of rotary zinc-melting furnace provided by the utility model is opened；
Fig. 6 is the second structural representation that a kind of upper cover of rotary zinc-melting furnace provided by the utility model is opened；
Fig. 7 be a kind of rotary zinc-melting furnace provided by the utility model burning flame projector open structural schematic diagram it
One；
Fig. 8 be a kind of rotary zinc-melting furnace provided by the utility model burning flame projector open structural schematic diagram it
Two；
Fig. 9 is a kind of schematic cross-sectional view of rotary zinc-melting furnace provided by the utility model.
Specific embodiment
As shown in Figures 1 to 9, the embodiment of a kind of rotary zinc-melting furnace provided by the utility model, including gantry base 1
With rotating furnace body 2, the gantry base 1 is equipped with the arc concave shape burning seat 3 that inner wall is arc, the arc concave shape burning
Seat 3 is equipped with into fiery channel 4, and the front of the gantry base 1 is equipped with front left back-up roller wheel 5 and front right back-up roller wheel 6, the machine
The rear portion of frame pedestal 1 is equipped with rear left back-up roller wheel 7 and rear right support idler wheel 8, and the gantry base 1 drives equipped with rotating furnace body
Motor 9,9 axis of rotating furnace body driving motor are equipped with rotating furnace body and drive gear 10, and the gantry base 1, which is equipped with, changes zinc
Burner 11, the rotating furnace body 2 are equipped with advance burner 12 and rear air inlet 13, the advance burner 12 and rear air inlet 13
It communicates, the front of the rotating furnace body 2 is equipped with rolling band 14 before a circle rotating furnace body, and the rear portion of the rotating furnace body 2 is equipped with a circle
Rolling band 15 after rotating furnace body, the rotating furnace body 2 are equipped with a circle rotating furnace body tooth band 16, and the rotating furnace body 2 is mounted on machine
On frame pedestal 1, the front left back-up roller wheel 5 and front right back-up roller wheel 6 are supported on before rotating furnace body in rolling band 14, the rear left branch
Support idler wheel 7 and rear right support idler wheel 8 are supported on after rotating furnace body in rolling band 15, so that arc of the rotating furnace body 2 with respect to gantry base 1
Shape indent burning seat 3 can be rotated, and is equipped with lower semi-circular combustion heating between the rotating furnace body 2 and arc concave shape burning seat 3 and stitches
Gap 17, described to be communicated into fiery channel 4 with lower semi-circular combustion heating gap 17, the rotating furnace body driving gear 10 and rotation
Furnace body tooth band 16 contacts, and describedization zinc burner 11 acts on inside rotating furnace body 2.
The gantry base 1 is equipped with upper cover 18, and the side of the upper cover 18 and gantry base 1 are hinged, the upper cover 18
The other side be bolted with gantry base 1 so that upper cover 18 can open, set between the upper cover 18 and rotating furnace body 2
There are upper half circle combustion heating gap 17-1, lower semi-circular combustion heating gap 17 and upper half circle combustion heating gap
17-1 cooperatively forms circular cavity, and the inside of the upper cover 18 is equipped with rotating furnace body and positions pinch roller 19, in the rotating furnace body 2
Portion is equipped with rolling band 20 in a circle rotating furnace body, and the rotating furnace body positioning pinch roller 19 is contacted with rolling band 20 in rotating furnace body.
Describedization zinc burner 11 includes that rotating bracket 21, shaft 22 and burning flame projector 23, the rotating bracket 21 are logical
It crosses shaft 22 to be rotatably mounted in gantry base 1, the burning flame projector 23 is mounted in rotating bracket 21, the burning
Flame projector 23 is equipped with the limit plate 23-1 that rotate in place, and the limit plate 23-1 that rotate in place is matched with gantry base 1.
The inner wall of the rotating furnace body 2, which is equipped with, stirs vertical piece 24, and the rotating furnace body 2 is equipped with zinc outlet, it is described go out
Zinc mouth is equipped with fixed plug, and the gantry base 1 is equipped with zinc slot 25, and the zinc slot 25 out is matched with zinc outlet, described
Gantry base 1 is equipped with burning observation panel 26, and the burning observation panel 26 is communicated with lower semi-circular combustion heating gap 17.
As needed, the specific embodiment of the utility model is disclosed herein, it will be appreciated that the disclosed embodiments
It only demonstrates the utility model, the utility model can have different and alternative form to implement.Attached drawing is not necessarily drawn to scale.Cause
This, specific structure and function details disclosed herein be understood not to it is in a limiting sense, but only as representative base
Plinth is to instruct those skilled in the art using implementation the utility model.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the utility model protection
Range.
Claims (10)
1. a kind of rotary zinc-melting furnace, it is characterised in that: including gantry base (1) and rotating furnace body (2), the gantry base
(1) it is equipped with the arc concave shape that inner wall is arc to burn seat (3), arc concave shape burning seat (3) is equipped with into fiery channel
(4), the front of the gantry base (1) is equipped with front left back-up roller wheel (5) and front right back-up roller wheel (6), the gantry base (1)
Rear portion be equipped with rear left back-up roller wheel (7) and rear right support idler wheel (8), the gantry base (1) equipped with rotating furnace body driving
Motor (9), rotating furnace body driving motor (9) axis are equipped with rotating furnace body and drive gear (10), on the gantry base (1)
Equipped with zinc burner (11) are changed, the rotating furnace body (2) is equipped with advance burner (12) and rear air inlet (13), the advance burner
(12) it is communicated with rear air inlet (13), the front of the rotating furnace body (2) is equipped with rolling band (14) before a circle rotating furnace body, the rotation
The rear portion of rotary furnace body (2) is equipped with rolling band (15) after a circle rotating furnace body, and the rotating furnace body (2) is equipped with a circle rotating furnace body tooth
Band (16), the rotating furnace body (2) are mounted on gantry base (1), the front left back-up roller wheel (5) and front right back-up roller wheel
(6) it is supported on before rotating furnace body in rolling band (14), the rear left back-up roller wheel (7) and rear right support idler wheel (8) are supported on rotation
After furnace body in rolling band (15), so that arc concave shape burning seat (3) of the rotating furnace body (2) with respect to gantry base (1) can be rotated, it is described
Lower semi-circular combustion heating gap (17) is equipped between rotating furnace body (2) and arc concave shape burning seat (3), it is described into fiery channel
(4) it is communicated with lower semi-circular combustion heating gap (17), rotating furnace body driving gear (10) and rotating furnace body tooth band (16)
It contacts, it is internal that describedization zinc burner (11) acts on rotating furnace body (2).
2. a kind of rotary zinc-melting furnace according to claim 1, it is characterised in that: the gantry base (1) is equipped with upper
Cover (18), the side of the upper cover (18) and gantry base (1) hingedly, the other side and gantry base (1) of the upper cover (18)
It is bolted, so that upper cover (18) can open, upper half circle is equipped between the upper cover (18) and rotating furnace body (2) and is burnt
It heats gap (17-1), lower semi-circular combustion heating gap (17) and upper half circle combustion heating gap (17-1) cooperate shape
At circular cavity, the inside of the upper cover (18) is equipped with rotating furnace body positioning pinch roller (19), rotating furnace body (2) middle part
Equipped with rolling band (20) in a circle rotating furnace body, rotating furnace body positioning pinch roller (19) abuts with rolling band in rotating furnace body (20) matches
It closes.
3. a kind of rotary zinc-melting furnace according to claim 1 or 2, it is characterised in that: describedization zinc burner (11) packet
Rotating bracket (21), shaft (22) and burning flame projector (23) are included, the rotating bracket (21) is rotatable by shaft (22)
It is mounted on gantry base (1), the burning flame projector (23) is mounted on rotating bracket (21), the burning flame projector (23)
It is equipped with and rotate in place limit plate (23-1), the limit plate that rotate in place (23-1) matches with gantry base (1).
4. a kind of rotary zinc-melting furnace according to claim 1 or 2, it is characterised in that: the inner wall of the rotating furnace body (2)
It is equipped with and stirs vertical piece (24).
5. a kind of rotary zinc-melting furnace according to claim 3, it is characterised in that: on the inner wall of the rotating furnace body (2)
Piece (24) are stood equipped with stirring.
6. a kind of rotary zinc-melting furnace according to claim 1 or 2, it is characterised in that: the rotating furnace body (2) is equipped with
Zinc outlet, the zinc outlet are equipped with fixed plug, and the gantry base (1) is equipped with zinc slot (25), it is described go out zinc slot (25)
It is matched with zinc outlet.
7. a kind of rotary zinc-melting furnace according to claim 3, it is characterised in that: the rotating furnace body (2) is equipped with
Zinc mouth, the zinc outlet are equipped with fixed plug, and the gantry base (1) is equipped with zinc slot (25), it is described go out zinc slot (25) with
Zinc outlet matches.
8. a kind of rotary zinc-melting furnace according to claim 4, it is characterised in that: the rotating furnace body (2) is equipped with
Zinc mouth, the zinc outlet are equipped with fixed plug, and the gantry base (1) is equipped with zinc slot (25), it is described go out zinc slot (25) with
Zinc outlet matches.
9. a kind of rotary zinc-melting furnace according to claim 5, it is characterised in that: the rotating furnace body (2) is equipped with
Zinc mouth, the zinc outlet are equipped with fixed plug, and the gantry base (1) is equipped with zinc slot (25), it is described go out zinc slot (25) with
Zinc outlet matches.
10. a kind of rotary zinc-melting furnace according to claim 9, it is characterised in that: the gantry base (1) is equipped with combustion
It burns observation panel (26), the burning observation panel (26) communicates with lower semi-circular combustion heating gap (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656134.2U CN208475970U (en) | 2018-05-04 | 2018-05-04 | A kind of rotary zinc-melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656134.2U CN208475970U (en) | 2018-05-04 | 2018-05-04 | A kind of rotary zinc-melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208475970U true CN208475970U (en) | 2019-02-05 |
Family
ID=65220519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820656134.2U Withdrawn - After Issue CN208475970U (en) | 2018-05-04 | 2018-05-04 | A kind of rotary zinc-melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208475970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398012A (en) * | 2018-05-04 | 2018-08-14 | 温州力恩环保设备科技有限公司 | A kind of rotary zinc-melting furnace |
-
2018
- 2018-05-04 CN CN201820656134.2U patent/CN208475970U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398012A (en) * | 2018-05-04 | 2018-08-14 | 温州力恩环保设备科技有限公司 | A kind of rotary zinc-melting furnace |
| CN108398012B (en) * | 2018-05-04 | 2024-02-23 | 温州力恩环保设备科技有限公司 | Rotary zinc melting furnace |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190205 Effective date of abandoning: 20240223 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190205 Effective date of abandoning: 20240223 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |