CN110482051B - Coal-fired feeding bin door with protection structure for boiler - Google Patents
Coal-fired feeding bin door with protection structure for boiler Download PDFInfo
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- CN110482051B CN110482051B CN201910778841.8A CN201910778841A CN110482051B CN 110482051 B CN110482051 B CN 110482051B CN 201910778841 A CN201910778841 A CN 201910778841A CN 110482051 B CN110482051 B CN 110482051B
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- bin
- side wall
- coal
- liquid storage
- boiler
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
- B65D90/58—Gates or closures having closure members sliding in the plane of the opening
- B65D90/587—Gates or closures having closure members sliding in the plane of the opening having a linear motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
- B65D90/66—Operating devices therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses a coal-fired feeding bin gate with a protection structure for a boiler, which comprises a bin body, wherein a bin opening is formed in the surface of the bin body, a bin gate body is arranged at the bin opening, two sliding rails are symmetrically and fixedly arranged on the front surface of the bin body, an electric sliding block is connected to each sliding rail in a sliding mode, the lower end of each electric sliding block is connected to the bin gate body through a steering mechanism, a liquid storage channel is formed in the periphery of the bin gate body, and a plurality of liquid outlet pipes are inserted into the outer ring side wall of the liquid storage channel at equal intervals. According to the invention, air enters the protective sealing air bag, so that the protective sealing air bag is expanded, the protective sealing air bag is tightly attached to the inner wall of the bin opening, the sealing property of the bin opening is further enhanced, meanwhile, the liquid storage channel, the communicating pipe and the aqueous solution in the liquid storage cavity have a good heat absorption effect, a good heat dissipation effect is realized on the coal charging bin, the spontaneous combustion phenomenon caused by overhigh temperature of coal is avoided, and the safety in the charging bin is ensured.
Description
Technical Field
The invention relates to the technical field of boilers, in particular to a coal-fired feeding bin door with a protection structure for a boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, often called as a boiler for short, and is widely used for thermal power stations, ships, locomotives and industrial and mining enterprises.
The existing coal-fired feeding bin gate body of the boiler has poor sealing performance in the using process, the flexibility of the bin gate body is low, the coal output can not be well controlled, and the needs of people cannot be met.
Therefore, the coal-fired feeding bin door with the protection structure for the boiler is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the defects that the sealing performance of the existing boiler coal-fired feeding bin door body is poor, the flexibility of the bin door body is low, the coal output cannot be well controlled, and the requirements of people cannot be met in the using process of the existing boiler coal-fired feeding bin door body, and provides a coal-fired feeding bin door with a protection structure for a boiler.
In order to achieve the purpose, the invention adopts the following technical scheme:
a coal-fired feeding bin door with a protection structure for a boiler comprises a bin body, wherein a bin opening is formed in the surface of the bin body, a bin door body is arranged at the bin opening, two slide rails are symmetrically and fixedly installed on the front surface of the bin body, an electric slide block is connected on each slide rail in a sliding mode, the lower end of each electric slide block is connected to the bin door body through a steering mechanism, a liquid storage channel is formed in the periphery of the bin door body, a plurality of liquid outlet pipes are inserted into the outer side wall of the liquid storage channel at equal intervals, a sealing sliding plug is connected in each liquid outlet pipe in a sliding mode, a slide rod is fixedly connected to the upper end of each sealing sliding plug, the upper end of each slide rod penetrates through the edge side wall of the bin door body and is connected into the side wall of the bin door body in a sliding mode, four protective sealing air bags are symmetrically and fixedly connected, the inner side wall of each protective sealing air bag is communicated with a liquid outlet pipe, the outer side wall of each protective sealing air bag is abutted against the inner wall of a bin opening, each sliding rod is sleeved with a spring, one end of each spring is fixedly arranged on the upper end face of a sealing sliding plug, the other end of each spring is fixedly arranged on the inner side wall of the liquid outlet pipe, an air inlet is formed in the surface of a bin door body, a fan is fixedly arranged in the air inlet, a liquid storage cavity is formed in the peripheral side wall of the air inlet, a plurality of air vents are circumferentially formed in the side wall of the air inlet, valves are fixedly arranged in the air vents, the valves are uniformly arranged on the periphery of the fan at equal intervals, an expansion air bag is fixedly arranged on the inner ring side wall in the liquid storage cavity, the inner ring side wall of the expansion air bag is communicated with the plurality of air vents, and four communicating, four be the cross between communicating pipe, every communicating pipe all is linked together with the stock solution chamber, every the one end that deviates from the stock solution chamber communicating pipe all runs through the lateral wall of stock solution passageway and communicates in with the stock solution passageway, the discharge gate has been seted up to the below on the positive surface of door body.
Preferably, every steering mechanism includes electronic pivot, every the equal fixed connection of electronic pivot is on electronic slider, every the one end that electronic pivot deviates from electronic slider all rotates and is connected with the connecting axle.
Preferably, each connecting shaft deviates from the equal fixedly connected with fixed plate of the one end of electronic pivot, every fixed plate all through screw fixed mounting on the surface of door body.
Preferably, a material limiting plate is arranged in the discharge port, and two connecting blocks are symmetrically and fixedly mounted on the left side wall and the right side wall of the material limiting plate.
Preferably, two electric telescopic rods are symmetrically and fixedly mounted on the side wall of the front side of the bin gate body, and each telescopic end of each electric telescopic rod is fixedly connected with the connecting block.
Preferably, two plate hiding grooves are symmetrically formed in the side wall of the front face of the bin body and are respectively located on the left side and the right side of the bin gate body.
Preferably, a controller is fixedly mounted on the side wall of the bin body, and the electric sliding block, the fan and the material limiting plate are electrically connected with the controller.
Preferably, the liquid storage channel, the communicating pipe and the liquid storage cavity are all injected with aqueous solution.
Compared with the prior art, the invention has the beneficial effects that:
1. when the bin door body is closed, the fan is started, so that outside air is sucked into the air inlet, then the air enters the expansion air bag through the valve, the expansion air bag is rapidly expanded, the water solution in the liquid storage cavity is extruded, the water solution in the liquid storage cavity rapidly enters the liquid storage channel through the communicating pipe, the water pressure of the liquid storage channel is increased, the sealing sliding plug in the peripheral liquid outlet pipe is extruded, the sealing sliding plug upwards slides to extrude the air in the liquid outlet pipe, the air enters the protective sealing air bag, the protective sealing air bag is expanded, the protective sealing air bag is tightly attached to the inner wall of the bin opening, the sealing performance of the bin opening is enhanced, meanwhile, the water solution in the liquid storage cavity, the communicating pipe and the liquid storage channel has a good heat absorption effect, a good heat dissipation effect is achieved for the coal charging bin, and the spontaneous combustion phenomenon caused by the overhigh temperature, the safety in the feeding bin is ensured;
2. when the bin gate body needs to be opened, the controller controls the valve to be opened, so that gas in the expansion air bag is discharged, the water pressure in the liquid storage cavity is reduced, the water pressure in the liquid storage channel is reduced, the sealing sliding plug slides downwards, the sealing air bag is protected to contract and leave the inner wall of the bin opening, the friction force between the bin gate body and the bin opening is reduced, then the electric rotating shaft drives the connecting shaft to rotate, the connecting shaft drives the fixing plate to rotate, the fixing plate drives the bin gate body to leave the bin opening, then the controller controls the electric sliding block to move towards one side of the bin body, the bin gate body leaves the bin opening, the bin opening is opened, and filling materials into the feeding bin are facilitated;
3. electric telescopic handle promotes the connecting block rebound through its flexible end, and then drives the limit flitch rebound, adjusts the distance of limit flitch rebound as required, and then is convenient for adjust the area of discharge gate, and then is convenient for adjust the volume of the ejection of compact, and is swift convenient.
Drawings
FIG. 1 is a schematic front structural view of a coal-fired charging bin door with a protection structure for a boiler according to the present invention;
FIG. 2 is a front sectional view of a coal-fired charging bin door with a protective structure for a boiler according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is an enlarged schematic structural view of a blower in a door of a coal-fired charging bin with a protection structure for a boiler according to the present invention.
In the figure: 1 electric telescopic rod, 2 storehouse bodies, 3 door bodies, 4 slide rails, 5 electric sliding blocks, 6 liquid storage channels, 7 air inlets, 8 connecting blocks, 9 expansion air bags, 10 hidden plate grooves, 11 liquid storage cavities, 12 communicating pipes, 13 aqueous solutions, 14 liquid outlet pipes, 15 protective sealing air bags, 16 connecting shafts, 17 electric rotating shafts, 18 fixing plates, 19 slide bars, 20 springs, 21 fans, 22 valves and 23 material limiting plates.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a coal-fired feeding bin gate with a protection structure for a boiler comprises a bin body 2, a bin opening is formed in the surface of the bin body 2, a bin gate body 3 is arranged at the bin opening, two slide rails 4 are symmetrically and fixedly installed on the front surface of the bin body 2, an electric slide block 5 is connected to each slide rail 4 in a sliding manner, the lower end of each electric slide block 5 is connected to the bin gate body 3 through a steering mechanism, a liquid storage channel 6 is formed in the periphery of the bin gate body 3, a plurality of liquid outlet pipes 14 are inserted into the outer side wall of the liquid storage channel 6 at equal intervals, the water pressure of the liquid storage channel 6 is increased, sealing sliding plugs in the peripheral liquid outlet pipes 14 are further extruded, the sealing sliding plugs slide upwards slide to extrude the air in the liquid outlet pipes 14, the air enters the protection sealing air bags 15, the protection sealing air bags 15 expand, and the protection sealing air bags 15 are, further enhancing the sealing performance of the bin opening, meanwhile, the liquid storage cavity 11, the communicating pipe 12 and the aqueous solution 13 in the liquid storage channel 6 have good heat absorption effect, good heat dissipation effect on the coal charging bin is achieved, the spontaneous combustion phenomenon caused by over-high temperature of coal is avoided, the safety in the charging bin is ensured, a sealing sliding plug is connected in each liquid outlet pipe 14 in a sliding manner, a sliding rod 19 is fixedly connected at the upper end of each sealing sliding plug, the upper end of each sliding rod 19 penetrates through the edge side wall of the bin door body 3 and is connected in the side wall of the bin door body 3 in a sliding manner, four protective sealing air bags 15 are symmetrically and fixedly connected on the outer side wall of the bin door body 3, the inner side wall of each protective sealing air bag 15 is communicated with the liquid outlet pipe 14, the outer side wall of each protective sealing air bag 15 abuts against the inner wall of the bin opening, a spring 20 is sleeved on each sliding rod 19, one end of each spring 20, the other end of each spring 20 is fixedly arranged on the inner side wall of the liquid outlet pipe 14, the surface of the door body 3 is provided with an air inlet 7, a fan 21 is fixedly arranged in the air inlet 7, a liquid storage cavity 11 is arranged in the peripheral side wall of the air inlet 7, a plurality of vent holes are circumferentially arranged on the side wall of the air inlet 7, valves 22 are fixedly arranged in each vent hole, each valve 22 is arranged on the periphery of the fan 21 at equal intervals, an expansion airbag 9 is fixedly arranged on the inner ring side wall in the liquid storage cavity 11, the inner ring side wall of the expansion airbag 9 is communicated with the vent holes, four communicating pipes 12 are arranged in the door body 3, the four communicating pipes 12 are crossed, each communicating pipe 12 is communicated with the liquid storage cavity 11, one end of each communicating pipe 12, which is far away from the liquid storage cavity 11, penetrates through the side wall of the liquid storage channel 6 and is communicated with the liquid storage channel 6, a discharge, each steering mechanism comprises an electric rotating shaft 17, each electric rotating shaft 17 is fixedly connected to an electric sliding block 5, one end of each electric rotating shaft 17, which is far away from the electric sliding block 5, is rotatably connected with a connecting shaft 16, one end of each connecting shaft 16, which is far away from the electric rotating shaft 17, is fixedly connected with a fixing plate 18, each fixing plate 18 is fixedly installed on the surface of the door body 3 through screws, a material limiting plate 23 is arranged in a discharge port, two connecting blocks 8 are symmetrically and fixedly installed on the left side wall and the right side wall of the material limiting plate 23, two electric telescopic rods 1 are symmetrically and fixedly installed on the front side wall of the door body 3, the telescopic end of each electric telescopic rod 1 is fixedly connected with the connecting block 8, the electric telescopic rods 1 push the connecting blocks 8 to move upwards through the telescopic ends thereof, further drive the material limiting plate, and then be convenient for adjust the area of discharge gate, and then be convenient for adjust the volume of the ejection of compact, it is swift convenient, two hide board groove 10 have been seted up to the symmetry on the positive lateral wall of the storehouse body 2, two hide board groove 10 and are located the left and right sides of door body 3 respectively, fixed mounting has the controller on the lateral wall of the storehouse body 2, electronic slider 5, fan 21 and limit flitch 23 all with controller electric connection, stock solution passageway 6, communicating pipe 12 and stock solution chamber 11 have all been injected with aqueous solution 13, when needs open door body 3, open through controller control flap 22, and then emit the gas in the gasbag 9 that expands, and then make the water pressure in the stock solution chamber 11 reduce, make the water pressure in the stock solution passageway 6 reduce, make sealed sliding plug lapse, make the sealed gasbag 15 shrink of protection leave the bin entrance inner wall, and then reduced the frictional force between door body 3 and the bin entrance.
In the invention, when a user uses the device, when the bin gate body 3 is closed, the fan 21 is started, so that outside air is sucked into the air inlet 7, then the air enters the expansion airbag 9 through the valve 22, the expansion airbag 9 is rapidly expanded, and then the aqueous solution 13 in the liquid storage cavity 11 is extruded, so that the aqueous solution 13 in the liquid storage cavity 11 rapidly enters the liquid storage channel 6 through the communicating pipe 12, the water pressure of the liquid storage channel 6 is increased, and then the sealing sliding plug in the peripheral liquid outlet pipe 14 is extruded, so that the sealing sliding plug slides upwards to extrude the air in the liquid outlet pipe 14, the air enters the protective sealing airbag 15, so that the protective sealing airbag 15 is expanded, the protective sealing airbag 15 is tightly attached to the inner wall of the bin mouth, so that the sealing performance of the bin mouth is enhanced, and meanwhile, the liquid storage cavity 11, the communicating pipe 12 and the aqueous solution 13 in the liquid storage channel 6 have good, when the door body 3 needs to be opened, the controller controls the valve 22 to be opened, so that gas in the expansion air bag 9 is discharged, the water pressure in the liquid storage cavity 11 is reduced, the water pressure in the liquid storage channel 6 is reduced, the sealing sliding plug slides downwards, the protective sealing air bag 15 contracts to be away from the inner wall of the bin opening, so that the friction force between the door body 3 and the bin opening is reduced, the electric rotating shaft 17 drives the connecting shaft 16 to rotate, the connecting shaft 16 drives the fixing plate 18 to rotate, the fixing plate 18 drives the door body 3 to leave the bin opening, then the controller controls the electric sliding block 5 to move towards one side of the bin body 2, so that the door body 3 leaves the bin opening, the bin opening is opened, and the filling into the charging bin is facilitated, electric telescopic handle 1 promotes connecting block 8 rebound through its flexible end, and then drives limit flitch 23 rebound, adjusts the distance of limit flitch 23 rebound as required, and then is convenient for adjust the area of discharge gate, and then is convenient for adjust the volume of the ejection of compact, and is swift convenient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a boiler is with coal-fired feeding bin door that has protection architecture, includes the storehouse body (2), its characterized in that, the door mouth has been seted up on the surface of the storehouse body (2), door mouth department is provided with door body (3), the positive surface symmetry fixed mounting of the storehouse body (2) has two slide rails (4), every equal sliding connection has electronic slider (5), every on slide rail (4) the lower extreme of electronic slider (5) all connects on door body (3) through steering mechanism, stock solution passageway (6) have been seted up to the periphery of door body (3), equidistant interlude has a plurality of drain pipes (14), every equal sliding connection has sealed sliding plug in drain pipe (14), every the equal fixedly connected with slide bar (19) in upper end of sealed sliding plug, every the upper end of slide bar (19) all runs through the marginal lateral wall and the sliding connection of door body (3) at door body (3) ) In the side wall, four protective sealing air bags (15) are symmetrically and fixedly connected to the outer side wall of the bin gate body (3), the inner side wall of each protective sealing air bag (15) is communicated with the liquid outlet pipe (14), the outer side wall of each protective sealing air bag (15) is abutted to the inner wall of the bin opening, each sliding rod (19) is sleeved with a spring (20), one end of each spring (20) is fixedly installed on the upper end face of the sealing sliding plug, the other end of each spring (20) is fixedly installed on the inner side wall of the liquid outlet pipe (14), an air inlet (7) is formed in the surface of the bin gate body (3), a fan (21) is fixedly installed in the air inlet (7), a liquid storage cavity (11) is formed in the peripheral side wall of the air inlet (7), and a plurality of air vents are formed in the circumferential direction on the side wall of the air inlet (7), every equal fixed mounting has valve (22), every in the venthole the setting of the impartial interval of valve (22) is at the periphery of fan (21), fixed mounting has inflation gasbag (9) on the inner circle lateral wall in stock solution chamber (11), the inner circle lateral wall and a plurality of venthole of inflation gasbag (9) are linked together, four communicating pipes (12), four have been seted up in door body (3) be the cross between communicating pipe (12), every communicating pipe (12) all are linked together with stock solution chamber (11), every one end that communicating pipe (12) deviate from stock solution chamber (11) all runs through the lateral wall of stock solution passageway (6) and communicates in stock solution passageway (6), the discharge gate has been seted up to the below on the positive surface of door body (3).
2. The coal-fired feeding bin door with the protection structure for the boiler according to claim 1, wherein each steering mechanism comprises an electric rotating shaft (17), each electric rotating shaft (17) is fixedly connected to an electric sliding block (5), and one end of each electric rotating shaft (17) departing from the electric sliding block (5) is rotatably connected with a connecting shaft (16).
3. The coal-fired feeding bin door with the protection structure for the boiler according to claim 2, wherein one end of each connecting shaft (16) departing from the electric rotating shaft (17) is fixedly connected with a fixing plate (18), and each fixing plate (18) is fixedly arranged on the surface of the bin door body (3) through a screw.
4. The coal-fired feeding bin gate with the protection structure for the boiler according to claim 1, wherein a material limiting plate (23) is arranged in the discharge port, and two connecting blocks (8) are symmetrically and fixedly installed on the left side wall and the right side wall of the material limiting plate (23).
5. The coal-fired feeding bin gate with the protection structure for the boiler according to claim 4, characterized in that two electric telescopic rods (1) are symmetrically and fixedly installed on the front side wall of the bin gate body (3), and the telescopic end of each electric telescopic rod (1) is fixedly connected with the connecting block (8).
6. The coal-fired feeding bin door with the protection structure for the boiler as claimed in claim 1, wherein two plate hiding grooves (10) are symmetrically formed in the front side wall of the bin body (2), and the two plate hiding grooves (10) are respectively located on the left side and the right side of the bin door body (3).
7. The coal-fired feeding bin door with the protection structure for the boiler as claimed in claim 1, wherein a controller is fixedly installed on the side wall of the bin body (2), and the electric slider (5), the fan (21) and the material limiting plate (23) are all electrically connected with the controller.
8. The coal-fired feeding bin gate with the protection structure for the boiler as claimed in claim 1, wherein the liquid storage channel (6), the communicating pipe (12) and the liquid storage cavity (11) are injected with the aqueous solution (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910778841.8A CN110482051B (en) | 2019-08-22 | 2019-08-22 | Coal-fired feeding bin door with protection structure for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910778841.8A CN110482051B (en) | 2019-08-22 | 2019-08-22 | Coal-fired feeding bin door with protection structure for boiler |
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| Publication Number | Publication Date |
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| CN110482051A CN110482051A (en) | 2019-11-22 |
| CN110482051B true CN110482051B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910778841.8A Active CN110482051B (en) | 2019-08-22 | 2019-08-22 | Coal-fired feeding bin door with protection structure for boiler |
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| US4114901A (en) * | 1976-09-01 | 1978-09-19 | N.V. Industrieele Handelscombinatie Holland | Seal for unloading hatch of hopper barge or similar vessel |
| DE19718726A1 (en) * | 1997-05-02 | 1998-11-12 | Ardenne Anlagentech Gmbh | Valve for vacuum sluices for powdered or fluid materials |
| CN2467756Y (en) * | 2000-05-25 | 2001-12-26 | 沈晓鹏 | Air-filling sealed multi-purpose energy-saving environment protection door & window |
| CN2665063Y (en) * | 2003-09-18 | 2004-12-22 | 颜迪忠 | A simplified sealing warehouse |
| CN201386463Y (en) * | 2009-04-21 | 2010-01-20 | 湖南银宝科技发展有限公司 | Waterproof system for vault door |
| CN207260862U (en) * | 2017-09-25 | 2018-04-20 | 上海巨昂实业有限公司 | A kind of vane door |
| CN109914988A (en) * | 2019-03-26 | 2019-06-21 | 杭州腾睿源人防工程有限公司 | A kind of closed door system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8181400B2 (en) * | 2009-05-12 | 2012-05-22 | Kindschuh Rodney G | Gas fill device for multiple pane windows |
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2019
- 2019-08-22 CN CN201910778841.8A patent/CN110482051B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114901A (en) * | 1976-09-01 | 1978-09-19 | N.V. Industrieele Handelscombinatie Holland | Seal for unloading hatch of hopper barge or similar vessel |
| DE19718726A1 (en) * | 1997-05-02 | 1998-11-12 | Ardenne Anlagentech Gmbh | Valve for vacuum sluices for powdered or fluid materials |
| CN2467756Y (en) * | 2000-05-25 | 2001-12-26 | 沈晓鹏 | Air-filling sealed multi-purpose energy-saving environment protection door & window |
| CN2665063Y (en) * | 2003-09-18 | 2004-12-22 | 颜迪忠 | A simplified sealing warehouse |
| CN201386463Y (en) * | 2009-04-21 | 2010-01-20 | 湖南银宝科技发展有限公司 | Waterproof system for vault door |
| CN207260862U (en) * | 2017-09-25 | 2018-04-20 | 上海巨昂实业有限公司 | A kind of vane door |
| CN109914988A (en) * | 2019-03-26 | 2019-06-21 | 杭州腾睿源人防工程有限公司 | A kind of closed door system |
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| CN110482051A (en) | 2019-11-22 |
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