CN209386823U - A kind of metallurgical equipment with cooling and function of fuel gas purification - Google Patents
A kind of metallurgical equipment with cooling and function of fuel gas purification Download PDFInfo
- Publication number
- CN209386823U CN209386823U CN201821582204.0U CN201821582204U CN209386823U CN 209386823 U CN209386823 U CN 209386823U CN 201821582204 U CN201821582204 U CN 201821582204U CN 209386823 U CN209386823 U CN 209386823U
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- cabinet
- fixed
- water inlet
- inlet pipe
- cooling mechanism
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- 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
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Abstract
The utility model provides a kind of metallurgical equipment with cooling and function of fuel gas purification, including cabinet, front cooling mechanism, rear cooling mechanism and smoke purification mechanism, front cooling mechanism and rear cooling mechanism are arranged in cabinet, front cooling mechanism is located behind in front of cooling mechanism, and smoke purification mechanism is fixed at cabinet side；Front cooling mechanism includes refrigerator, water inlet pipe, grows water pipe and suction pump, refrigerator is fixed at cabinet bottom end side, water inlet pipe is fixed in cabinet, and water inlet pipe one end is fixedly connected with refrigerator, and the other end is fixedly connected with the taste water pipe that box house is arranged in.The utility model has the beneficial effects that can quickly be cooled down to metallurgical equipment, while smoke purification mechanism is increased, be then exhausted from after flue gas is purified, increased damping, the vibration of equipment is reduced to minimum, improves the applicability of equipment.
Description
Technical field
The utility model relates to a kind of metallurgical equipments, more particularly, to a kind of metallurgy with cooling and function of fuel gas purification
Equipment.
Background technique
Metallurgy is exactly that metal or metallic compound are extracted from mineral, and metal, which is made, with various processing methods has centainly
The process and technique of the metal material of performance；Metallurgy has long developing history, when from the Stone Age to subsequent bronze ware
Generation, then the extensive development to modern age smelting iron and steel.The history of human development has merged the developing history of metallurgy；The technology of metallurgy
It mainly include pyrometallurgy, hydrometallurgy and electrometallurgy.As physical chemistry is applied successfully in metallurgy, metallurgy is walked from technique
To science, the then quality Personnel in Metallurgical Engineering in You Liao university.
But in existing technology, purification due to that can not cool down immediately after the completion of metallurgical equipment, while to smog and subtract
The ability of shake is all inadequate, and the applicability of metallurgical equipment is not high.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of with cooling and function of fuel gas purification
Metallurgical equipment, can quickly be cooled down to metallurgical equipment, while increasing smoke purification mechanism, flue gas is purified
After be then exhausted from, the vibration of equipment is reduced to minimum, improves the applicability of equipment by increased damping.
In order to solve the above technical problems, the technical solution adopted in the utility model is: one kind having cooling and gas cleaning
The metallurgical equipment of function, including cabinet, front cooling mechanism, rear cooling mechanism and smoke purification mechanism, the front cooling
Mechanism and the rear cooling mechanism are arranged in the cabinet, and the front cooling mechanism is located at the rear cooling mechanism
Front, the smoke purification mechanism are fixed at the cabinet side；The front cooling mechanism includes refrigerator, water inlet
Pipe, taste water pipe and suction pump, the refrigerator are fixed at cabinet bottom end side, and the water inlet pipe is fixed at institute
It states in cabinet, described water inlet pipe one end is fixedly connected with the refrigerator, the other end and is arranged in described in the box house
It grows water pipe to be fixedly connected, the suction pump is fixed at the cabinet other side and corresponding with the refrigerator by support base
Setting；The rear cooling mechanism include the second guide rod, the first guide rod, the first sliding block, the second sliding block, rotating electric machine, belt and
Fan, second guide rod and first guide rod are symmetrically arranged at the box house two sides, and first sliding block is sliding
Dynamic to be arranged on first guide rod, second sliding block is slidably arranged on second guide rod, and the fan passes through bracket
It is fixed between first sliding block and second sliding block, the rotating electric machine is fixed at the cabinet wall
On, the belt is fixed on the rotating electric machine, and described belt one end is fixedly connected with the rotating electric machine, the other end
It is fixedly connected with first sliding block；The smoke purification mechanism includes clean room, sparge pipe, two the first slide bars and promotions
Plate, the clean room are connected by air inlet with the cabinet, and the clean room other side offers gas outlet, described in two
First slide bar is symmetricly set on the gas outlet two sides, and the pushing plate is located at the air inlet side and is slidably arranged in two
On first slide bar, the sparge pipe is fixed at clean room's inner tip, and the sparge pipe lower surface fixation is set
It is equipped with spray head.
Further, in order to improve the effect of damping, damping, the damping machine are fixedly installed below the cabinet
Structure includes fixed plate, pedestal and connecting rod, and in cabinet bottom end two sides, the pedestal is arranged described for the fixed plate setting
It is fixedly connected inside fixed plate and with the bottom, the connecting rod is through the pedestal and the fixed company of the fixed plate
It connecing, is fixedly installed limit plate above the connecting rod, the connecting rod and the pedestal junction are fixedly installed position-limiting tube,
It is located at the base lower surface in the connecting rod and is arranged with spring, is further fixedly arranged between the fixed plate and the pedestal
Buffer gear, the buffer gear include support column, buffer stopper and slide bar, and table on the base is fixedly installed in the buffer stopper
Face offers cavity in the buffer stopper, and the cavity two sides offer sliding slot, and the sliding bar is arranged in the sliding slot
Interior, the slide bar lower surface and the cavity inside bottom end are fixedly installed buffer spring, described support column one end and the bottom
Seat bottom surface is fixedly connected, and the other end is fixedly connected through the buffer stopper with the slide bar, the connecting rod and the buffering
There are two mechanism is respectively provided with, two connecting rods and two buffer gears are symmetrically arranged at the pedestal and described
Between fixed plate.
Further, in order to improve cooling effect, the water inlet pipe includes bottom water inlet pipe and top water inlet pipe, the bottom
Portion's water inlet pipe is fixed at the box house bottom end, and the top water inlet pipe is fixed at the box house top,
The taste water pipe is provided with multiple, and multiple taste water pipes are staggered in the bottom water inlet pipe and the top water inlet pipe
On, hole is offered on the taste water pipe, the suction pump side is fixedly installed drainpipe.
Further, in order to increase the effect of gas cleaning, the clean room top be fixedly installed water tank and with it is described
Sparge pipe is connected, and the clean room bottom end offers collecting box, and guide plate, the outlet are fixedly installed at the air inlet
It is fixedly installed filter screen at mouthful, the filter screen is fixed on the purification chamber outer wall by fixed block, the promotion
Adjustable spring is arranged between plate lower surface and two first slide bars.
The utility model has the advantages and positive effects of: due to the adoption of the above technical scheme, can pass through front and back two
The cooling mechanism of side quickly lowers the temperature of metallurgical plant, by the rotation of cold water spray and fan come quickly will be warm
Degree reduces, and the method for physics is not only more efficient while also can be reduced manpower and material resources；Increase smoke purification mechanism, passes through interior external pressure
Strong effect so that flue gas is automatically into clean room, by the spray of water by flue dust collecting together, while after spraying
Air using the filtering of filter screen so that air is more clean, avoid the pollution of air, improve metallurgical equipment
Applicability；Increase damping in cabinet bottom end, limit played the role of by limit plate and position-limiting tube, at the same damping spring and
The effect of slide bar will shake handing on for level-one level-one, and vibration is reduced to minimum, reduces the influence lived to surrounding resident.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the utility model rear cooling mechanism schematic diagram；
Fig. 3 is the utility model smoke purification mechanism schematic diagram；
Fig. 4 is the utility model damping schematic diagram；
Fig. 5 is the utility model buffer gear schematic diagram.
In figure:
1, cabinet 2, front cooling mechanism 3, rear cooling mechanism
4, smoke purification mechanism 5, damping 6, refrigerator
7, bottom water inlet pipe 8, top water inlet pipe 9, taste water pipe
10, hole 11, suction pump 12, drainpipe
13, support base 14, belt 15, the first sliding block
16, the first guide rod 17, rotating electric machine 18, the second guide rod
19, fan 20, clean room 21, air inlet
22, guide plate 23, water tank 24, sparge pipe
25, spray head 26, the first slide bar 27, pushing plate
28, adjustable spring 29, fixed block 30, filter screen
31, collecting box 32, gas outlet 33, fixed plate
34, pedestal 35, buffer gear 36, limit plate
37, connecting rod 38, position-limiting tube 39, spring
40, support column 41, buffer stopper 42, cavity
43, sliding slot 44, slide bar 45, water pipe
46, buffer spring 47, bracket 48, the second sliding block
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and specific implementation
The utility model is described in further detail for mode.Obviously, described embodiment is only one of the utility model
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.It should be noted that
For purposes of clarity, attached drawing and explanation in be omitted it is unrelated with the utility model, known to persons of ordinary skill in the art
The expression and description of component and processing.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
As shown in Figures 1 to 5, the present embodiment provides a kind of with the metallurgical equipment to cool down with function of fuel gas purification, including
Cabinet 1, front cooling mechanism 2, rear cooling mechanism 3 and smoke purification mechanism 4, front cooling mechanism 2 and rear cooling mechanism 3
It is arranged in cabinet 1, front cooling mechanism 2 is located behind 3 front of cooling mechanism, and smoke purification mechanism 4 is fixed at case
1 side of body.
Front cooling mechanism 2 includes that refrigerator 6, water inlet pipe 45, taste water pipe 9 and suction pump 11, refrigerator 6 are fixed at
1 bottom end side of cabinet, water inlet pipe 45 are fixed in cabinet 1, and 45 one end of water inlet pipe is fixedly connected with refrigerator 6, the other end
It is fixedly connected with the taste water pipe 9 being arranged in inside cabinet 1, suction pump 11 is fixed at 1 other side of cabinet by support base 13
And be correspondingly arranged with refrigerator 6, water inlet pipe 45 includes bottom water inlet pipe 7 and top water inlet pipe 8, and bottom water inlet pipe 7 is fixedly installed
In 1 inner bottom of cabinet, top water inlet pipe 8 is fixed at 1 inner tip of cabinet, grows water pipe 9 and is provided with multiple, multiple taste water
Pipe 9 is staggered on bottom water inlet pipe 7 and top water inlet pipe 8, grows and offers hole 10 on water pipe 9,11 side of suction pump is fixed
It is provided with drainpipe 12.
Rear cooling mechanism 3 includes the second guide rod 18, the first guide rod 16, the first sliding block 15, the second sliding block 48, rotating electric machine
17, belt 14 and fan 19, the second guide rod 18 and the first guide rod 16 are symmetrically arranged at 1 inside two sides of cabinet, the first sliding block
15 are slidably arranged on the first guide rod 16, and the second sliding block 48 is slidably arranged on the second guide rod 18, and fan 19 is solid by bracket 47
Fixed to be arranged between the first sliding block 15 and the second sliding block 48, rotating electric machine 17 is fixed on 1 inner wall of cabinet, and belt 14 is fixed
It is arranged on rotating electric machine 17,14 one end of belt is fixedly connected with rotating electric machine 17, and the other end is fixedly connected with the first sliding block 15.
Smoke purification mechanism 4 includes clean room 20,24, two the first slide bars 26 of sparge pipe and pushing plate 27, clean room 20
It is connected by air inlet 21 with cabinet 1,20 other side of clean room offers gas outlet 32, and two the first slide bars 26 are symmetrical arranged
In 32 two sides of gas outlet, pushing plate 27 is located at 21 side of air inlet and is slidably arranged on two the first slide bars 26, sparge pipe 24
It is fixed at 20 inner tip of clean room, 24 lower surface of sparge pipe is fixedly installed spray head 25, and the fixation of 20 top of clean room is set
It is equipped with water tank 23 and is connected with sparge pipe 24,20 bottom end of clean room offers collecting box 31, is fixedly installed at air inlet 21
Guide plate 22, filter screen 30 is fixedly installed at gas outlet 32, and filter screen 30 is fixed at clean room 20 by fixed block 29
On outer wall, adjustable spring 28 is arranged between 27 lower surface of pushing plate and two the first slide bars 26.
Damping 5 is fixedly installed below cabinet 1, damping 5 includes fixed plate 33, pedestal 34 and connecting rod 37,
The setting of fixed plate 33 is fixedly connected in 33 inside of fixed plate and in 1 bottom end two sides of cabinet, the setting of pedestal 34 with 1 bottom surface of cabinet,
Connecting rod 37 is fixedly connected through pedestal 34 with fixed plate 33, and limit plate 36, connecting rod 37 are fixedly installed above connecting rod 37
It is fixedly installed position-limiting tube 38 with 34 junction of pedestal, is located at 34 lower surface of pedestal in connecting rod 37 and is arranged with spring 39；It is fixed
Buffer gear 35 is further fixedly arranged between plate 33 and pedestal 34, buffer gear 35 includes support column 40, buffer stopper 41 and slide bar
44, buffer stopper 41 is fixed at 34 upper surface of pedestal, and cavity 42 is offered in buffer stopper 41, and 42 two sides of cavity offer sliding slot
43, slide bar 44 is slidably arranged in sliding slot 43, and 44 lower surface of slide bar and 42 inner bottom of cavity are fixedly installed buffer spring 46,
40 one end of support column is fixedly connected with 34 bottom surface of pedestal, and the other end is fixedly connected through buffer stopper 41 with slide bar 44, connecting rod
37 and there are two buffer gear 35 is respectively provided with, two connecting rods 37 and two buffer gears 35 are symmetrically arranged at 34 He of pedestal
Between fixed plate 33.
The course of work of this example: when work, when flue dust enters clean room 20 from air inlet 21, due to being pressed inside cabinet 1
Powerful in 20 internal pressure of clean room, flue dust will be pushed into pushing plate 27 in the cavity of clean room 20, and adjustable spring 28 will
It can play the role of buffering, open water tank 23, water, which enters from sparge pipe 24 from spray head 25, to be sprayed, and adsorbing powder dust is fallen into water
In dismountable collecting box 31, remaining dust when gas outlet 32 by the filtering of filter screen 30 by that will be carried out further
Purification, purifying and stive is haved the function that by two layers of purification device；Fixed plate 33 plays the role of static housing 1, limit
Position plate 36 and position-limiting tube 38 play the role of limit, and the spring 39 being arranged in connecting rod 37 can play certain buffer function, and two
Support column 40 can first be passed to by shaking in a buffer gear 35, and support column 40 will pass to vibration slide bar 44 and buffer spring
46, damping is achieved the effect that by transmitting step by step；At the end of work, by two layers of front and back cooling mechanism come to cabinet 1 into
Row cooling, by the way that the cold water in refrigerator 6 is injected into bottom water inlet pipe 7 and top water inlet pipe 8, cold water is with entering taste water
In pipe 9, cold water is sprayed out from hole 10 achievees the effect that cooling, at the end of sprinkling, opens suction pump 11 for waste water from row
Water pipe 12 is discharged；The other side drives belt 14 to carry out back rotation in the effect of rotating electric machine 17, so that the first sliding block 15 is led first
It is slided on bar 16, fan 19 can be driven to move up and down to achieve the effect that cooling.
It due to the adoption of the above technical scheme, can be quick by the temperature of metallurgical plant by the cooling mechanism of front and rear sides
Lower, quickly reduced temperature by the rotation of cold water spray and fan, the method for physics not only it is more efficient simultaneously
It also can be reduced manpower and material resources；Increase smoke purification mechanism, by the effect of inside and outside pressure, so that flue gas is automatically into arriving clean room
In, by the spray of water by flue dust collecting together, while spray after air using the filtering of filter screen so that air
It is more clean, the pollution of air is avoided, the applicability of metallurgical equipment is improved；Increase damping in cabinet bottom end, leads to
It crosses limit plate and position-limiting tube plays the role of limit, while damping spring and slide bar will be under the transmitting that shake level-one level-one
It goes, vibration is reduced to minimum, reduces the influence lived to surrounding resident.
One or more embodiments of the utility model are described in detail above, but the content is only that this is practical
Novel preferred embodiment, should not be considered as limiting the scope of the present invention.It is all according to present utility model application model
All the changes and improvements made by enclosing etc., should still belong within the patent covering scope of the utility model.
Claims (6)
1. a kind of metallurgical equipment with cooling and function of fuel gas purification, it is characterised in that: including cabinet (1), front cooler
Structure (2), rear cooling mechanism (3) and smoke purification mechanism (4), the front cooling mechanism (2) and the rear cooling mechanism
(3) it is arranged in the cabinet (1), the front cooling mechanism (2) is located in front of the rear cooling mechanism (3), described
Smoke purification mechanism (4) is fixed at the cabinet (1) side；
The front cooling mechanism (2) includes refrigerator (6), water inlet pipe (45), grows water pipe (9) and suction pump (11), the system
Cooler (6) is fixed at the cabinet (1) bottom end side, and the water inlet pipe (45) is fixed in the cabinet (1), institute
It states water inlet pipe (45) one end to be fixedly connected with the refrigerator (6), the other end taste internal in the cabinet (1) with setting
Water pipe (9) is fixedly connected, the suction pump (11) by support base (13) be fixed at the cabinet (1) other side and with institute
Refrigerator (6) is stated to be correspondingly arranged；
The rear cooling mechanism (3) includes the second guide rod (18), the first guide rod (16), the first sliding block (15), the second sliding block
(48), rotating electric machine (17), belt (14) and fan (19), second guide rod (18) and first guide rod (16) are right respectively
Claim setting in the internal two sides of the cabinet (1), first sliding block (15) is slidably arranged on first guide rod (16), described
Second sliding block (48) is slidably arranged on second guide rod (18), and the fan (19) is fixed at institute by bracket (47)
It states between the first sliding block (15) and second sliding block (48), the rotating electric machine (17) is fixed in the cabinet (1)
On wall, the belt (14) is fixed on the rotating electric machine (17), described belt (14) one end and the rotating electric machine
(17) it is fixedly connected, the other end is fixedly connected with first sliding block (15)；
The smoke purification mechanism (4) includes clean room (20), sparge pipe (24), two the first slide bars (26) and pushing plate
(27), the clean room (20) is connected by air inlet (21) with the cabinet (1), and clean room (20) other side opens up
Have gas outlet (32), two first slide bars (26) are symmetricly set on the gas outlet (32) two sides, the pushing plate (27)
It positioned at the air inlet (21) side and is slidably arranged on two first slide bars (26), sparge pipe (24) fixation is set
It sets in the clean room (20) inner tip, sparge pipe (24) lower surface is fixedly installed spray head (25).
2. the metallurgical equipment with cooling and function of fuel gas purification according to claim 1, it is characterised in that: the cabinet
(1) lower section is fixedly installed damping (5), and the damping (5) includes fixed plate (33), pedestal (34) and connecting rod
(37), in the cabinet (1) bottom end two sides, the pedestal (34) is arranged in the fixed plate (33) for fixed plate (33) setting
Inside is simultaneously fixedly connected with the cabinet (1) bottom surface, and the connecting rod (37) runs through the pedestal (34) and the fixed plate
(33) it is fixedly connected, is fixedly installed limit plate (36) above the connecting rod (37), the connecting rod (37) and the pedestal
(34) junction is fixedly installed position-limiting tube (38), and the pedestal (34) lower surface is located on the connecting rod (37) and is arranged with bullet
Spring (39).
3. the metallurgical equipment with cooling and function of fuel gas purification according to claim 2, it is characterised in that: the fixation
It is further fixedly arranged between plate (33) and the pedestal (34) buffer gear (35), the buffer gear (35) includes support column
(40), buffer stopper (41) and slide bar (44), the buffer stopper (41) are fixed at the pedestal (34) upper surface, the buffering
It is offered cavity (42) in block (41), cavity (42) two sides offer sliding slot (43), and the slide bar (44) is slidably arranged in
In the sliding slot (43), slide bar (44) lower surface and the cavity (42) inner bottom are fixedly installed buffer spring
(46), described support column (40) one end is fixedly connected with the pedestal (34) bottom surface, and the other end runs through the buffer stopper (41)
It is fixedly connected with the slide bar (44).
4. the metallurgical equipment with cooling and function of fuel gas purification according to claim 3, it is characterised in that: the water inlet
Managing (45) includes bottom water inlet pipe (7) and top water inlet pipe (8), and the bottom water inlet pipe (7) is fixed at the cabinet (1)
Inner bottom, the top water inlet pipe (8) are fixed at the cabinet (1) inner tip, and the taste water pipe (9) is provided with more
A, multiple taste water pipes (9) are staggered on the bottom water inlet pipe (7) and the top water inlet pipe (8), the taste water
It is offered hole (10) on pipe (9), suction pump (11) side is fixedly installed drainpipe (12).
5. the metallurgical equipment with cooling and function of fuel gas purification according to claim 4, it is characterised in that: the purification
Room (20) top is fixedly installed water tank (23) and is connected with the sparge pipe (24), and clean room (20) bottom end offers
Collecting box (31) is fixedly installed guide plate (22) at the air inlet (21), was fixedly installed at the gas outlet (32)
Strainer (30), the filter screen (30) are fixed on the clean room (20) outer wall by fixed block (29), the promotion
Adjustable spring (28) are arranged between plate (27) lower surface and two first slide bars (26).
6. the metallurgical equipment with cooling and function of fuel gas purification according to claim 5, it is characterised in that: the connection
There are two bar (37) and the buffer gear (35) are respectively provided with, two connecting rods (37) and two buffer gears (35)
It is symmetrically arranged between the pedestal (34) and the fixed plate (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821582204.0U CN209386823U (en) | 2018-09-27 | 2018-09-27 | A kind of metallurgical equipment with cooling and function of fuel gas purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821582204.0U CN209386823U (en) | 2018-09-27 | 2018-09-27 | A kind of metallurgical equipment with cooling and function of fuel gas purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209386823U true CN209386823U (en) | 2019-09-13 |
Family
ID=67870001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821582204.0U Expired - Fee Related CN209386823U (en) | 2018-09-27 | 2018-09-27 | A kind of metallurgical equipment with cooling and function of fuel gas purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209386823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578724A (en) * | 2020-05-20 | 2020-08-25 | 南京华电节能环保设备有限公司 | Electric furnace converter flue gas waste heat recovery device with dust removal function |
-
2018
- 2018-09-27 CN CN201821582204.0U patent/CN209386823U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578724A (en) * | 2020-05-20 | 2020-08-25 | 南京华电节能环保设备有限公司 | Electric furnace converter flue gas waste heat recovery device with dust removal function |
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| 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: 20190913 Termination date: 20210927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |