CN112344724B - Feeding device of gas-fired lime shaft kiln - Google Patents
Feeding device of gas-fired lime shaft kiln Download PDFInfo
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- CN112344724B CN112344724B CN202110020772.1A CN202110020772A CN112344724B CN 112344724 B CN112344724 B CN 112344724B CN 202110020772 A CN202110020772 A CN 202110020772A CN 112344724 B CN112344724 B CN 112344724B
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/42—Modifications of amplifiers to extend the bandwidth
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- Power Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model provides a loading attachment of gas-burning lime shaft kiln, including top surface open-ended hopper, the first rotation axis of both ends inner wall difference movable mounting around the top of hopper, through a connecting plate fixed connection between two first rotation axes, the recess is seted up at the bottom middle part of connecting plate, both ends all communicate with each other with the external world around the recess, the recess fit in is equipped with the fly leaf, the recess fit in is equipped with defining device, defining device can block that the fly leaf is whole to shift out the recess, the standing groove is seted up respectively to both ends inner wall around the bottom of hopper, the standing groove fit that is located the rear is equipped with the lead screw, the one end of lead screw and the output shaft of motor, the other end of lead screw and. When the hopper removed, lid, shielding plate sheltered from the top surface opening of hopper, avoided the dust to waft into the air, reduce air pollution to shelter from the top surface opening of hopper, avoided in other materials get into the hopper, avoid influencing the product.
Description
Technical Field
The invention belongs to the technical field of lime kiln equipment, and particularly relates to a feeding device of a gas-fired lime shaft kiln.
Background
At present, a feeding system of a lime shaft kiln only has one set, so that simultaneous feeding of different materials and simultaneous feeding of materials with different particle sizes can not be realized, and a feeding device of a gas-fired lime shaft kiln is designed.
Disclosure of Invention
The invention provides a feeding device of a gas-fired lime shaft kiln, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
a feeding device of a gas-fired lime shaft kiln comprises a hopper with an opening on the top surface, wherein first rotating shafts are respectively and movably installed on the inner walls of the front end and the rear end of the top end of the hopper, the two first rotating shafts are fixedly connected through a connecting plate, a groove is formed in the middle of the bottom end of the connecting plate, the front end and the rear end of the groove are both communicated with the outside, a movable plate is arranged in the groove in a matched mode, a limiting device is arranged in the groove in a matched mode and can prevent the movable plates from being completely moved out of the groove, placing grooves are respectively formed in the inner walls of the front end and the rear end of the bottom end of the hopper, a lead screw is arranged in the placing groove in a matched mode, one end of the lead screw is connected with an output shaft of a motor, the other end of the lead screw is movably connected with the inner wall of one side of the placing groove, a screw is arranged on the, the front end of a second rotating shaft positioned at the rear is movably connected with the bottom of the rear end of a movable plate, the rear end of a second rotating shaft positioned at the front is movably connected with the bottom of the front end of the movable plate, a cover body is arranged above a hopper in a matching way, connecting blocks are fixedly arranged on two sides of the bottom of the rear end of the cover body respectively, long grooves are arranged on two sides of the top surface of the hopper respectively, a threaded rod with a motor is arranged in each long groove in a matching way, a nut is arranged on the threaded rod in a matching way, the bottom end of each connecting block is fixedly connected with the top end of the nut, two discharge ports are arranged on the top surface of the cover body respectively, a cavity is arranged in the cover body and is positioned between the two discharge ports, first slots are arranged on the inner walls of two sides of the cavity respectively, the two first slots are arranged up and down and are communicated with the insid, the screw is seted up respectively to the opposite face of two barrier plates, the screw fit in is equipped with the screw rod, the one end of screw rod and the inner wall swing joint of the cavity that corresponds, two screw rod screw threads are opposite, the first bevel gear of one end fixed mounting of screw rod, the wheel carrier movable mounting sprocket is passed through respectively to the both sides of cavity, one of them sprocket has the motor, through chain swing joint between two sprockets, the back of the body end fixed mounting telescopic link respectively of the rotation axis of two sprockets, the extension opposite direction of two telescopic links, the back of the body end fixed mounting second bevel gear respectively of two telescopic links, the second bevel gear can cooperate with the first bevel gear meshing that corresponds.
The feeding device of the gas-fired lime shaft kiln is characterized in that the limiting device is composed of a blocking block arranged at the top end of the movable plate and limiting blocks respectively arranged on the inner walls of the two sides of the bottom end of the groove, and the blocking block is always positioned in the groove.
According to the feeding device of the gas-fired lime shaft kiln, the two sides of the outer wall of the front end of the hopper are respectively and fixedly provided with the L-shaped rods, the top end of the vertical rod of each L-shaped rod is fixedly provided with the sliding block, the two sides of the bottom end of the front part of the cover body are respectively provided with the sliding grooves, and the sliding blocks can be inserted into the sliding grooves.
According to the feeding device of the gas-fired lime shaft kiln, the section of the sliding groove is T-shaped, and the sliding block is positioned in the horizontal groove.
According to the feeding device of the gas-fired lime shaft kiln, the inner walls of the two discharge ports at the back ends are respectively provided with the second slots, the two second slots are vertically arranged, and the second slots and the corresponding first slots are positioned on the same horizontal plane.
According to the feeding device of the gas-fired lime shaft kiln, the cross section of the bottom of the discharge opening is splayed.
The invention has the advantages that: when materials are placed into the hopper, a motor of the threaded rod works to drive the threaded rod to rotate, the threads are in threaded fit with the nuts, the nuts are fixedly connected with the connecting block and can drive the cover body to move forwards to leak an opening on the top surface of the hopper, the cover body is positioned below the material placing and conveying device and is used for placing the materials into the hopper, the connecting plate separates the hopper into two material placing cavities, and the two material placing cavities can be used for placing different materials or the same material with different particle sizes; when one of the materials in different types of materials is needed to be redundant of another material or one of the materials in different particle sizes is needed to be redundant of another material, a motor of the screw rod works to drive the screw rod to rotate, the screw rod is in threaded fit with the screw nut, the screw nut is connected with the movable plate through a second rotating shaft, the guide sleeve is assembled with the guide rod sleeve, the guide sleeve is connected with the movable plate through the second rotating shaft, the bottom end of the movable plate can be driven to move back and forth left and right, at the moment, the volumes of the two material containing cavities are changed, namely the volume of one material containing cavity is increased, the volume of the other material containing cavity is reduced, the volumes of the two material containing cavities are changed differently according to specific requirements, and after the placement of the materials is finished, the cover body moves back to the original position, namely the; when empting the material, as required, can open two bin outlets simultaneously or open a bin outlet alone, specifically be: the motor of the chain wheel works to drive the chain wheel to rotate, the two chain wheels are connected through a chain to drive the two chain wheels to synchronously rotate, a rotating shaft of the chain wheel is connected with a telescopic rod to drive the telescopic rod to rotate, when the telescopic rod on the left side extends, a second bevel gear on the left side is meshed and matched with a first bevel gear to drive a screw rod above the second bevel gear to rotate, a barrier plate on the right side is moved into a cavity, a discharge hole on the right side is opened, when the telescopic rod on the right side extends, the second bevel gear on the right side is meshed and matched with the first bevel gear to drive a screw rod below the second bevel gear to rotate, the barrier plate on the left side is moved into the cavity, the discharge hole on the left side is opened, the two telescopic rods extend simultaneously, the; and when the hopper removed, lid, shielding plate sheltered from the top surface opening of hopper, avoided the dust to waft into in the air, reduce air pollution to shelter from the top surface opening of hopper, avoided in other materials get into the hopper, avoid influencing the product.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1; FIG. 3 is a view of B of FIG. 1; FIG. 4 is an enlarged view of a portion I of FIG. 1; fig. 5 is a partial enlarged view of II of fig. 2.
Reference numerals: 1 hopper 2, first rotating shaft 3, connecting plate 4, groove 5, movable plate 6, slot 7, lead screw 8, nut 9, guide rod 10, guide sleeve 11, second rotating shaft 12, cover 13, connecting block 14, long slot 15, threaded rod 16, nut 17, discharge port 18, cavity 19, first slot 20, stop plate 21, screw 22, first bevel gear 23, sprocket 24, telescopic rod 25, second bevel gear 26, stop block 27, limit block 28, L-shaped rod 29, slide block 30, slide slot 31, and second slot.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A feeding device of a gas-fired lime shaft kiln comprises a hopper 1 with an opening on the top surface, wherein first rotating shafts 2 are movably arranged on the inner walls of the front end and the rear end of the top end of the hopper 1 respectively, the first rotating shafts 2 are positioned in the middle of the hopper 1, the two first rotating shafts 2 are fixedly connected through a connecting plate 3, the connecting plate 3 can rotate by taking the first rotating shafts 2 as the center, a groove 4 is formed in the middle of the bottom end of the connecting plate 3, the front end and the rear end of the groove 4 are communicated with the outside, a movable plate 5 is arranged in the groove 4 in a matched mode, the front end and the rear end of the movable plate 5 can be in contact fit with the inner walls of the front end and the rear end of the hopper, a limiting device is arranged in the groove 4 in a matched mode, the limiting device can prevent the movable plate 5 from moving out of the groove 4 completely, a placing groove 6, the other end of the screw rod 7 is movably connected with the inner wall of one side of the placing groove 6, the other side of the placing groove 6 is provided with a motor placing groove, a motor is arranged in the motor placing groove, the screw rod 7 is provided with a screw nut 8 in a matching way, the inner walls of the two sides of the placing groove 6 positioned in front are respectively and fixedly provided with a guide rod 9, the guide rod 9 is provided with a guide sleeve 10 in a sleeving way in a matching way, the rear end of the guide sleeve 10 and the front end of the screw nut 8 are respectively and movably provided with a second rotating shaft 11, the front end of the second rotating shaft 11 positioned in rear is movably connected with the bottom of the rear end of the movable plate 5, the rear end of the second rotating shaft 11 positioned in front is movably connected with the bottom of the front end of the movable plate 5, a cover body 12 is arranged above the hopper 1 in a matching way, the two sides of the bottom of the rear end of the cover body 12 are respectively, a motor of a threaded rod 15 is arranged on the inner wall of the front end of the long groove 14, the rear end of the threaded rod 15 is movably connected with the inner wall of the rear end of the long groove 14, a nut 16 is arranged on the threaded rod 15 in a matching way, the bottom end of each connecting block 13 is fixedly connected with the top end of the nut 16, two material discharge ports 17 are arranged on the top surface of the cover body 12, the two material discharge ports 17 are respectively positioned on two sides of the connecting plate 3, a cavity 18 is arranged in the cover body 12, the cavity 18 is positioned between the two material discharge ports 17, first slots 19 are respectively arranged on the inner walls of two sides of the cavity 18, the two first slots 19 are vertically arranged, the first slots 19 are communicated with the inner part of the corresponding material discharge port 17, a barrier plate 20 is arranged in each first slot 19 in a matching way, screw holes are respectively arranged on the opposite surfaces of the two barrier plates 20, screw rods 21 are arranged, one end of the screw 21 is fixedly provided with a first bevel gear 22, the two first bevel gears 22 are respectively positioned at two sides of the cavity 18, two sides of the cavity 18 are respectively and movably provided with a chain wheel 23 through a wheel carrier, one chain wheel 23 is provided with a motor, the motors of the chain wheels 23 are arranged on the wheel carrier, the two chain wheels 23 are movably connected through a chain, the opposite ends of the rotating shafts of the two chain wheels 23 are respectively and fixedly provided with a telescopic rod 24, the telescopic rod 24 penetrates through the wheel carrier, the telescopic rod 24 can rotate along with the chain wheel 23, the extension directions of the two telescopic rods 24 are opposite, the opposite ends of the two telescopic rods 24 are respectively and fixedly provided with a second bevel gear 25, and the second bevel gear 25. When materials are placed into the hopper 1, a motor of the threaded rod 15 works to drive the threaded rod 15 to rotate, the thread 15 is in threaded fit with a nut 16, the nut 16 is fixedly connected with a connecting block 13 and can drive a cover body 12 to move forwards to leak an opening in the top surface of the hopper 1, the cover body 12 is positioned below a material placing and conveying device, the materials are placed into the hopper 1, the connecting block 3 separates the hopper 1 into two material placing cavities, and the two material placing cavities can be used for placing different materials or the same material with different particle sizes; when one material in different materials is required to be more than the other material or one material with different particle sizes is required to be more than the other material, the motor of the screw rod 7 works to drive the screw rod 7 to rotate, the screw rod 7 is in threaded fit with the screw nut 8, the screw nut 8 is connected with the movable plate 5 through the second rotating shaft 11, the guide sleeve 10 is in sleeved fit with the guide rod 9, the guide sleeve 10 is connected with the movable plate 5 through the second rotating shaft 11, thereby driving the bottom end of the movable plate 5 to reciprocate left and right, the volumes of the two material placing cavities are changed, namely, the volume of one material placing cavity is increased, the volume of the other material placing cavity is reduced, the volumes of the two material placing cavities can be changed differently according to specific requirements, and after the material placing is finished, the cover body 12 moves back to the original position, namely the top surface of the hopper 1 is shielded; when dumping the material, as required, can open two bin outlet 17 simultaneously or open a bin outlet 17 alone, specifically be: the motor of the chain wheel 23 works to drive the chain wheel 23 to rotate, the two chain wheels 23 are connected through a chain to drive the two chain wheels 23 to synchronously rotate, and the rotating shaft of the chain wheel 23 is connected with the telescopic rod 24 to drive the telescopic rod 24 to rotate, when the left telescopic rod 24 is extended, the second bevel gear 25 on the left side is meshed and matched with the first bevel gear 22 to drive the screw 21 above to rotate, so that the barrier plate 20 on the right side moves into the cavity 18, the discharge port 17 on the right side is opened, when the telescopic rod 24 on the right side is extended, the second bevel gear 25 on the right is meshed with the first bevel gear 22 to drive the screw 21 below to rotate, so that the barrier plate 20 on the left is moved into the cavity 18, the discharge port 17 on the left is opened, the two telescopic rods 24 are simultaneously extended, two shielding plates 20 can be moved into the cavity 18 at the same time, and the two discharge ports 17 are opened, that is, different discharge ports 17 are opened according to different requirements; and when the hopper 1 moves, the cover body 12 and the shielding plate 20 shield the top surface opening of the hopper 1, so that dust is prevented from flying into the air, air pollution is reduced, the top surface opening of the hopper 1 is shielded, other substances are prevented from entering the hopper 1, and the product is prevented from being influenced.
Specifically, the limiting device of the present embodiment is composed of a stop block 26 mounted on the top end of the movable plate 5, and limiting blocks 27 respectively mounted on the inner walls of the two sides of the bottom end of the groove 4, wherein the stop block 26 is always located in the groove 4. The bottom end of the movable plate 5 moves back and forth left and right, part of the movable plate 5 moves out of the groove 4, the top end of the movable plate 5 is positioned in the groove 4, the movable plate 5 can be prevented from moving out of the groove 4 completely through the matching of the limiting block 27 and the blocking block 26, and the movable plate 5 is prevented from being separated from the connecting plate 3.
Specifically, in the present embodiment, the L-shaped rods 28 are respectively and fixedly mounted on two sides of the outer wall of the front end of the hopper 1, the sliding block 29 is fixedly mounted on the top end of the vertical rod of each L-shaped rod 28, the sliding grooves 30 are respectively formed on two sides of the bottom end of the front surface of the cover 12, and the sliding block 29 can be inserted into the sliding grooves 30. When the cover 12 moves forward, the sliding block 29 enters the sliding groove 30, and the cover 12 can be supported by the L-shaped rod 28, so that the structure is firmer and more stable in use.
Further, the cross section of the sliding groove 30 in this embodiment is T-shaped, and the sliding block 29 is located in the horizontal groove. The sliding groove 30 with the T-shaped section is matched with the sliding block 29, the sliding block 29 is located in a horizontal groove in the T-shaped sliding groove 30, the vertical rod of the L-shaped rod 28 can be inserted into the vertical groove of the sliding groove 30, the cover body 12 can be limited through the sliding block 29, the cover body 12 is prevented from moving, and the connecting block 13 and the nut 16 are prevented from being broken.
Furthermore, in the embodiment, the inner walls of the two opposite ends of the two discharging openings 17 are respectively provided with a second slot 31, the two second slots 31 are arranged up and down, and the second slots 31 and the corresponding first slots 19 are located on the same horizontal plane. The second slot 31 and the first slot 19 which are communicated with the inside of the same discharge port 17 are positioned on the same horizontal plane, and the blocking plate 20 can enter the second slot 31 to support the blocking plate 20, so that the effect is better in use.
Further, the cross section of the bottom of the discharge opening 17 is "eight" in this embodiment. When the materials are poured, the materials in the material placing cavities separated by the connecting plates 3 can better flow out of the material discharging openings 17.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a loading attachment of gas-fired lime shaft kiln which characterized in that: comprises a hopper (1) with an opening on the top surface, wherein the inner walls of the front end and the rear end of the top end of the hopper (1) are respectively and movably provided with a first rotating shaft (2), the two first rotating shafts (2) are fixedly connected through a connecting plate (3), the middle part of the bottom end of the connecting plate (3) is provided with a groove (4), the front end and the rear end of the groove (4) are communicated with the outside, a movable plate (5) is arranged in the groove (4) in a matched manner, a limiting device is arranged in the groove (4) in a matched manner and can prevent the movable plates (5) from being completely moved out of the groove (4), the inner walls of the front end and the rear end of the bottom end of the hopper (1) are respectively provided with a placing groove (6), a screw rod (7) is arranged in the placing groove (6) positioned at the rear side in a matched manner, one end of the screw rod (7, the inner walls of two sides of a placing groove (6) positioned in front are fixedly provided with guide rods (9) respectively, the guide rods (9) are sleeved with guide sleeves (10) in a matched mode, the rear ends of the guide sleeves (10) and the front ends of nuts (8) are movably provided with second rotating shafts (11), the front ends of the second rotating shafts (11) positioned in rear are movably connected with the bottom of the rear end of a movable plate (5), the rear ends of the second rotating shafts (11) positioned in front are movably connected with the bottom of the front end of the movable plate (5), a cover body (12) is arranged above a hopper (1) in a matched mode, two sides of the bottom of the rear end of the cover body (12) are fixedly provided with connecting blocks (13) respectively, two sides of the top surface of the hopper (1) are provided with long grooves (14) respectively, a threaded rod (15) with a motor is arranged in each long groove (14) in a matched mode, a nut (16) is arranged on each threaded rod (15) in a matched mode, and the, two discharge ports (17) are formed in the top surface of the cover body (12), the two discharge ports (17) are respectively located on two sides of the connecting plate (3), a cavity (18) is formed in the cover body (12), the cavity (18) is located between the two discharge ports (17), first slots (19) are respectively formed in the inner walls of two sides of the cavity (18), the two first slots (19) are arranged up and down, the first slots (19) are communicated with the inside of one corresponding discharge port (17), a barrier plate (20) is arranged in each first slot (19) in a matched mode, screw holes are respectively formed in opposite surfaces of the two barrier plates (20), screw rods (21) are arranged in the screw holes in a matched mode, one ends of the screw rods (21) are movably connected with the inner walls of the corresponding cavities (18), the threads of the two screw rods (21) are opposite, a first bevel gear (22) is fixedly installed at one end of each screw rod (21), and chain wheels (23, one of them sprocket (23) has the motor, through chain swing joint between two sprockets (23), the back of the body end difference fixed mounting telescopic link (24) of the rotation axis of two sprockets (23), the extension direction of two telescopic links (24) is opposite, the back of the body end difference fixed mounting second bevel gear (25) of two telescopic links (24), second bevel gear (25) can mesh with corresponding first bevel gear (22) and cooperate.
2. The charging device of a gas-fired lime shaft kiln as claimed in claim 1, wherein: the limiting device is composed of a stop block (26) arranged at the top end of the movable plate (5) and limiting blocks (27) respectively arranged on the inner walls of the two sides of the bottom end of the groove (4), and the stop block (26) is always positioned in the groove (4).
3. The charging device of a gas-fired lime shaft kiln as claimed in claim 1, wherein: the hopper is characterized in that L-shaped rods (28) are fixedly mounted on two sides of the outer wall of the front end of the hopper (1) respectively, a sliding block (29) is fixedly mounted at the top end of a vertical rod of each L-shaped rod (28), sliding grooves (30) are formed in two sides of the bottom end of the front portion of the cover body (12) respectively, and the sliding blocks (29) can be inserted into the sliding grooves (30).
4. The charging device of the gas-fired lime shaft kiln according to claim 3, wherein: the cross section of the sliding groove (30) is T-shaped, and the sliding block (29) is positioned in the horizontal groove.
5. The charging device of a gas-fired lime shaft kiln as claimed in claim 1, wherein: the inner walls of the back ends of the two discharge ports (17) are respectively provided with a second slot (31), the two second slots (31) are arranged up and down, and the second slots (31) and the corresponding first slots (19) are positioned on the same horizontal plane.
6. The charging device of a gas-fired lime shaft kiln as claimed in claim 1, wherein: the cross section of the bottom of the discharge opening (17) is in a shape of Chinese character 'ba'.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110020772.1A CN112344724B (en) | 2021-01-08 | 2021-01-08 | Feeding device of gas-fired lime shaft kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110020772.1A CN112344724B (en) | 2021-01-08 | 2021-01-08 | Feeding device of gas-fired lime shaft kiln |
Publications (2)
| Publication Number | Publication Date |
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| CN112344724A CN112344724A (en) | 2021-02-09 |
| CN112344724B true CN112344724B (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110020772.1A Active CN112344724B (en) | 2021-01-08 | 2021-01-08 | Feeding device of gas-fired lime shaft kiln |
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| CN (1) | CN112344724B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113372026B (en) * | 2021-08-13 | 2021-12-07 | 山东万达环保科技有限公司 | Lime production line |
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| CN210773483U (en) * | 2019-08-14 | 2020-06-16 | 亚泰集团哈尔滨水泥(阿城)有限公司 | High-efficient whirlwind preheater |
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2021
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| US4042130A (en) * | 1974-09-20 | 1977-08-16 | S.A. Des Anciens Etablissements Paul Wurth | Charging device for shaft furnace |
| KR20030054836A (en) * | 2001-12-26 | 2003-07-02 | 주식회사 포스코 | Apparatus for providing the upper sintered ore |
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| Publication number | Publication date |
|---|---|
| CN112344724A (en) | 2021-02-09 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Feeding device for gas fired lime shaft kiln Effective date of registration: 20210802 Granted publication date: 20210326 Pledgee: Shandong Linqu Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG WANDA ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: Y2021980007159 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220919 Granted publication date: 20210326 Pledgee: Shandong Linqu Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG WANDA ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2021980007159 |