CN216558353U

CN216558353U - Novel smoke gate control device

Info

Publication number: CN216558353U
Application number: CN202123375392.4U
Authority: CN
Inventors: 杲子轩; 何雷; 齐青
Original assignee: Suzhou Boneng Furnace Technology Co ltd
Current assignee: Suzhou Boneng Furnace Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-17
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a novel smoke gate control device which comprises a smoke gate case, wherein a supporting buffer seat assembly is fixedly arranged at the bottom of the smoke gate case, a three-way pneumatic control cabinet is fixedly arranged on the side surface of the smoke gate case, an execution cylinder is fixedly arranged on the side surface of the smoke gate case, a pull rod type displacement sensor is fixedly arranged at the top of the execution cylinder, the supporting buffer seat assembly comprises an upper base and a lower base, a spring column is fixedly arranged at the bottom end of the upper base, and bottom plates are fixedly arranged on the left side and the right side of the top of the lower base. In the above scheme, the three-way pneumatic control cabinet, the actuating cylinder, the pull rod type displacement sensor and other structures are matched with each other, so that the cost can be saved, the response speed is high, the furnace pressure fluctuation can be rapidly adjusted, the furnace pressure fluctuation is enabled to have better transmission performance, meanwhile, the pull rod type displacement sensor is used for measuring and controlling a system, the displacement and the length are directly and absolutely measured, the working range is up to 1250mm at most, the high resolution (0.01mm) is achieved, and accurate linear displacement measurement can be provided.

Description

Novel smoke gate control device

Technical Field

The utility model relates to the technical field of smelting and heat-preserving furnaces in the aluminum processing industry, in particular to a novel smoke gate control device.

Background

The smoke gate is indispensable equipment of melting and holding furnace in aluminum processing industry, and plays an important role in maintaining smoke exhaust of the furnace, stabilizing furnace pressure and saving furnace fuel, the lifting of the early smoke gate is realized by driving the gate plate to lift through a motor → a speed reducer → a chain wheel and a chain, and the lifting stroke is controlled by adopting an encoder to position the lifting height.

However, in practical use, there still exist some disadvantages, such as: the speed reducer of the original design is:

S67-YEJ0.37-4P-227.20-M1-270 degrees, after years of adoption, the operation is unstable, the positioning control of an encoder is often blocked (a 0.18KW motor is used at the earliest, and the later stage is enlarged to 0.37KW), the repeatability precision is poor, the positioning deviation occurs, the normal operation of the gate plate is influenced, the problem of the operation of the gate plate is often caused in a few months, the maintenance is needed, and the structure and the control mode of the gate plate are fundamentally modified in order to keep the normal operation of the gate plate.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects in the prior art, embodiments of the present invention provide a novel smoke gate control device to solve the problems of the novel smoke gate control device in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the novel smoke gate control device comprises a smoke gate case, wherein a supporting buffer seat assembly is fixedly installed at the bottom of the smoke gate case, a three-way pneumatic control cabinet is fixedly installed on the side surface of the smoke gate case, an execution cylinder is fixedly installed on the side surface of the smoke gate case, a pull rod type displacement sensor is fixedly installed at the top of the execution cylinder, the supporting buffer seat assembly comprises an upper base and a lower base, spring columns are fixedly installed at the bottom end of the upper base, bottom plates are fixedly installed on the left side and the right side of the top of the lower base, first buffer spring columns are fixedly installed on the left side and the right side of an inner cavity of the bottom plate, buffer columns are fixedly connected to the tops of the first buffer spring columns, second buffer spring columns are fixedly connected to the tops of the buffer columns, a supporting plate is fixedly connected to the tops of the second buffer spring columns, and compression springs are fixedly installed at the tops of the supporting plate, the outer surface of the supporting plate is movably sleeved with a compression plate.

The surface of the pull rod type displacement sensor is movably sleeved with a bolt, and the pull rod type displacement sensor is connected above the execution cylinder through the bolt in a threaded mode.

The three-way pneumatic control cabinet consists of three groups of three-position five-way electromagnetic valves with throttling pieces with different throttling apertures.

The smoke gate machine box is fixedly installed in the smelting furnace, and a smoke guide pipe is fixedly communicated with the inside of the smoke gate machine box.

The bottom of the spring column is fixedly connected with the top end of the lower base, and the top of the upper base is welded with the bottom of the smoke gate case.

The upper base and the lower base are made of metal steel materials, and the top of the compression plate is welded with the bottom of the upper base.

The number of the compression springs, the number of the second buffer spring columns and the number of the first buffer spring columns are several.

The technical scheme of the utility model has the following beneficial effects:

1. in the scheme, the three-way pneumatic control cabinet, the execution cylinder, the pull rod type displacement sensor and other structures are matched with each other, so that the cost can be saved, the response speed is high, the furnace pressure fluctuation can be rapidly adjusted, the pull rod type displacement sensor has better transmission performance, the pull rod type displacement sensor is used in a measurement and control system, the displacement and the length are directly and absolutely measured, the working range is up to 1250mm at most and the high resolution (0.01mm), the accurate linear displacement measurement can be provided, the three-way pneumatic control cabinet is arranged, three groups of three-position five-way electromagnetic valves with throttling pieces with different throttling apertures are adopted for control, and the three-gear adjusting speed is set; when the furnace pressure fluctuation in a short time is large, for example, the regenerative burners are switched periodically, compressed air passes through one electromagnetic valve with the largest throttling aperture to quickly adjust the opening of the valve plate, so that the aim of balancing the furnace pressure is fulfilled; the other can calculate the furnace pressure fluctuation situation according to the algorithm, and select the corresponding gas circuit by giving different electromagnetic valve control signals, thereby carrying out the balance of the furnace pressure at a proper adjusting speed;

2. among the above-mentioned scheme, utilize to support buffer seat subassembly and subassembly etc. and mutually support, can cushion the support in the bottom of cigarette floodgate machine case, then when cigarette floodgate machine case when the during operation takes place vibrations, can carry out the pressurized buffering through last base and receiving components such as board, compression spring and backup pad to prevent the bottom unstability, improve the stability of cigarette floodgate machine case.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the smoke gate housing of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 4 is an enlarged view of the structure at B of FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the internal structure of the supporting bumper assembly of the present invention.

[ reference numerals ]

1. A smoke gate chassis; 2. supporting the cushion shoe assembly; 3. a three-way pneumatic control cabinet; 4. an actuating cylinder; 5. a pull rod type displacement sensor; 21. an upper base; 22. a lower base; 23. a spring post; 24. a base plate; 25. a first buffer spring post; 26. a buffer column; 27. a second buffer spring post; 28. a support plate; 29. a compression spring; 291. a pressure receiving plate.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Example 1:

the embodiment of the utility model provides a novel smoke gate control device as shown in fig. 1 to 4, which comprises a smoke gate case 1, wherein a supporting buffer seat assembly 2 is fixedly installed at the bottom of the smoke gate case 1, a three-way pneumatic control cabinet 3 is fixedly installed on the side surface of the smoke gate case 1, an execution cylinder 4 is fixedly installed on the side surface of the smoke gate case 1, a pull rod type displacement sensor 5 is fixedly installed at the top of the execution cylinder 4, a bolt is movably sleeved on the surface of the pull rod type displacement sensor 5, the pull rod type displacement sensor 5 is in threaded connection with the upper part of the execution cylinder 4 through the bolt, the three-way pneumatic control cabinet 3 is composed of three groups of three-position five-way electromagnetic valves with throttling pieces with different throttling apertures, the smoke gate case 1 is fixedly installed in a smelting furnace, and a smoke guide pipe is fixedly communicated with the interior of the smoke gate case 1.

The device has the advantages that the original electric speed reducer is changed into the execution cylinder 4, the design is simple and visual, the cost is saved, the response speed is high, the furnace pressure fluctuation can be rapidly adjusted, the device has better transmission performance, in addition, the pull rod type displacement sensor 5 is adopted, the pull rod type displacement sensor 5 is used in a measuring and controlling system, the displacement and the length are directly and absolutely measured, the working range is up to 1250mm at most and the high resolution (0.01mm) is realized, the accurate linear displacement measurement can be provided, the three-way pneumatic control cabinet 3 is arranged, three groups of three-position five-way electromagnetic valves with throttling pieces with different throttling apertures are adopted for controlling, and the three-gear adjusting speed is established; when the furnace pressure fluctuation in a short time is large, for example, the regenerative burners are switched periodically, compressed air passes through one electromagnetic valve with the largest throttling aperture to quickly adjust the opening of the valve plate, so that the aim of balancing the furnace pressure is fulfilled; other methods can calculate the furnace pressure fluctuation condition according to an algorithm, and select corresponding gas paths by giving different electromagnetic valve control signals, so that the furnace pressure is balanced at a proper adjusting speed.

Example 2:

as shown in fig. 5: the supporting buffer base component 2 comprises an upper base 21 and a lower base 22, a spring column 23 is fixedly installed at the bottom end of the upper base 21, bottom plates 24 are fixedly installed at the left side and the right side of the top of the lower base 22, first buffer spring columns 25 are fixedly installed at the left side and the right side of an inner cavity of each bottom plate 24, a buffer column 26 is fixedly connected to the top of each first buffer spring column 25, a second buffer spring column 27 is fixedly connected to the top of each buffer column 26, a supporting plate 28 is fixedly connected to the top of each second buffer spring column 27, a compression spring 29 is fixedly installed at the top of each supporting plate 28, a compression plate 291 is movably sleeved on the outer surface of each supporting plate 28, the bottom of each spring column 23 is fixedly connected to the top end of the lower base 22, the top of the upper base 21 is welded to the bottom of the smoke brake cabinet 1, and the upper base 21 and the lower base 22 are made of metal steel material, the top of the pressure receiving plate 291 is welded to the bottom of the upper base 21, and the number of the pressure receiving spring 29, the number of the second buffer spring columns 27 and the number of the first buffer spring columns 25 are several.

The bottom of the smoke brake case 1 can be buffered and supported by the upper base 21 and the lower base 22, and then when the smoke brake case 1 vibrates during operation, the smoke brake case can be buffered under pressure by the upper base 21, the pressure plate 291, the pressure spring 29, the support plate 28 and other components, so that the bottom is prevented from being unstable, and the stability of the smoke brake case 1 is improved.

The working process of the utility model is as follows:

in addition, a pull rod type displacement sensor 5 is adopted, the pull rod type displacement sensor 5 is used in a measuring and controlling system, direct and absolute measurement is carried out on displacement and length, the maximum working range reaches 1250mm and high resolution (0.01mm), accurate linear displacement measurement can be provided, a three-way pneumatic control cabinet 3 is arranged, three groups of three-position five-way electromagnetic valves with throttling pieces with different throttling apertures are adopted for control, and three-gear adjusting speed is set; when the furnace pressure fluctuation in a short time is large, for example, the regenerative burners are switched periodically, compressed air passes through one electromagnetic valve with the largest throttling aperture to quickly adjust the opening of the valve plate, so that the aim of balancing the furnace pressure is fulfilled; the furnace pressure fluctuation condition can be calculated according to an algorithm, and corresponding gas circuits are selected by giving control signals to different electromagnetic valves, so that the furnace pressure is balanced at a proper adjusting speed, and the maintenance cost of a smoke brake transmission mechanism is greatly reduced; the control positioning is accurate, the response speed is high, and the repetition precision is high; the set of control system can also be applied to a main smoke exhaust butterfly valve and a furnace door dust collection butterfly valve;

utilize upper pedestal 21 and lower base 22 can cushion the support in the bottom of cigarette floodgate machine case 1, then when cigarette floodgate machine case 1 during operation vibrations, can carry out the pressurized buffering through components such as upper pedestal 21 and pressed plate 291, compressed spring 29 and backup pad 28 to prevent the bottom unstability, improve the stability of cigarette floodgate machine case 1.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The novel smoke gate control device comprises a smoke gate case (1) and is characterized in that a supporting buffer seat assembly (2) is fixedly mounted at the bottom of the smoke gate case (1), a three-way pneumatic control cabinet (3) is fixedly mounted on the side surface of the smoke gate case (1), an execution cylinder (4) is fixedly mounted on the side surface of the smoke gate case (1), a pull-rod type displacement sensor (5) is fixedly mounted at the top of the execution cylinder (4), the supporting buffer seat assembly (2) comprises an upper base (21) and a lower base (22), a spring column (23) is fixedly mounted at the bottom end of the upper base (21), bottom plates (24) are fixedly mounted on the left side and the right side of the top of the lower base (22), first buffer spring columns (25) are fixedly mounted on the left side and the right side of an inner cavity of the bottom plates (24), and buffer columns (26) are fixedly connected to the top of the first buffer spring columns (25), the top fixedly connected with second buffer spring post (27) of buffer post (26), the top fixedly connected with backup pad (28) of second buffer spring post (27), the top fixed mounting of backup pad (28) has compression spring (29), the surface movable sleeve of backup pad (28) is equipped with compression plate (291).

2. The novel smoke gate control device as claimed in claim 1, wherein a bolt is movably sleeved on the surface of the pull rod type displacement sensor (5), and the pull rod type displacement sensor (5) is connected above the actuating cylinder (4) through a bolt thread.

3. The new smoke brake control device according to claim 1, characterized by that, said three-way pneumatic control cabinet (3) is composed of three groups of three-position five-way solenoid valves with different throttle bore throttles.

4. The novel smoke gate control device according to claim 1, wherein the smoke gate cabinet (1) is fixedly installed in the smelting furnace, and the smoke guide pipe is fixedly communicated with the inside of the smoke gate cabinet (1).

5. The novel smoke gate control device as claimed in claim 1, wherein the bottom of the spring column (23) is fixedly connected with the top end of the lower base (22), and the top of the upper base (21) is welded with the bottom of the smoke gate cabinet (1).

6. The novel smoke gate control device is characterized in that the upper base (21) and the lower base (22) are made of metal steel materials, and the top of the pressure receiving plate (291) is welded with the bottom of the upper base (21).

7. The novel smoke gate control device as claimed in claim 1, wherein the number of said compression spring (29) and said second and first damping spring columns (27, 25) is several.