Cross-shaped grid rib plate type cast iron smoke hood at furnace outlet

Abstract

The utility model is applicable to the technical field of high-temperature flue gas collection at furnace mouths for calcium carbide production, and provides a cross grid rib plate type cast iron smoke hood at a furnace outlet, which comprises a plurality of sub-plates, each sub-plate consists of a support frame and a baffle, and the baffle is fixed in the support frame and is used for blocking and isolating flue dust; the plurality of grid frameworks are respectively arranged in the plurality of supporting frames and are respectively connected with the plurality of baffle plates; and the plurality of connecting ports are respectively arranged on the plurality of supporting frames, and the plurality of connecting ports can be communicated in pairs. The cross grid rib plate type cast iron smoke hood for the furnace outlet is high in flexibility, convenient to assemble and disassemble so as to adapt to furnace openings of different specifications, sufficient in strength, high in stability and capable of effectively isolating smoke.

Description

TECHNICAL FIELD

[0001] The utility model belongs to calcium carbide production furnace mouth high temperature flue gas collection technical field especially relates to a cross grid rib plate type cast iron smoke hood of furnace mouth. BACKGROUND

[0002] At present, the existing smelting calcium carbide and ferroalloy submerged arc furnace in domestic all need to set up high temperature flue gas collection smoke hood at the furnace mouth, the working time of the smoke hood is intermittent, the environmental airflow temperature of the working period is 500 to 800 degrees, that is, it works in the environment of cold and hot alternately, mainly has two structural ways.

[0003] The first structural way is divided into two sections, the upper section is used 6 to 8 mm thick ordinary steel plate to splice into full-enclosed sandwich water circulation cooling structure shell according to certain geometric shape size, the lower section is 10 to 12 mm single layer steel plate, this structure is all welded structure, easy to appear weld cracking and water leakage, the leaked water often causes explosive safety accidents when meeting 1800 to 2000 degree high temperature liquid calcium carbide, especially after the popularization and application of the furnace discharge robot in recent years, it is more prone to explosive safety accidents, the second structural way is to use 12 to 16 mm single layer steel plate to make into shell after welding according to certain geometric shape size, then weld the nails on the inner surface of the shell, cast the refractory cast material on the nails to reduce the thermal deformation of the steel plate, since the furnace mouth of calcium carbide production is three, there is interval time for using each furnace mouth, the refractory cast material knotted due to thermal expansion and cold contraction is easy to fall off, which affects the use effect and service life.

[0004] Therefore, the plate type smoke hood in the prior art has insufficient strength and poor flexibility. INVENTION CONTENTS

[0005] The utility model provides a cross grid rib plate type cast iron smoke hood of furnace mouth, aims at solving the insufficient strength and poor flexibility of the plate type smoke hood in the prior art proposed in the above background art.

[0006] In order to solve the above problems, the utility model is realized as follows, a cross grid rib plate type cast iron smoke hood of furnace mouth, comprising: a plurality of sub-plates, the sub-plate is composed of a support frame and a baffle, the baffle is fixed in the support frame, and the baffle is used for blocking and isolating smoke dust; a plurality of grid skeletons, a plurality of grid skeletons are respectively installed in a plurality of support frames and are connected with a plurality of baffles respectively; a plurality of connection ports, a plurality of connection ports are respectively arranged on a plurality of support frames, and a plurality of connection ports can be connected in pairs; a plurality of first connecting rods, a plurality of first connecting rods are respectively installed in a plurality of connection ports connected in pairs, two first bolts are threadedly installed on a plurality of first connecting rods, and the two first bolts located on the same first connecting rod are located in any two different support frames.

[0007] Preferably, each of the plurality of support frames is provided with an extension frame, a plurality of second connecting rods are movably mounted on the plurality of extension frames, two second bolts are threadedly mounted on each of the plurality of second connecting rods, and the plurality of second connecting rods respectively penetrate the connecting ports on the plurality of support frames, and the plurality of second bolts are respectively located on the two sides of the plurality of support frames and the plurality of extension frames.

[0008] Preferably, the inner walls of the plurality of support frames and the outer walls of the plurality of extension frames are respectively provided with limiting plates, the plurality of limiting plates are respectively sleeved on the plurality of first connecting rods and the plurality of second connecting rods, and the plurality of limiting plates can be respectively in contact with the plurality of first bolts and the plurality of second bolts.

[0009] Preferably, the side of the plurality of limiting plates away from each other is provided with an elastic pad, the plurality of elastic pads are respectively in contact with the plurality of first bolts and the plurality of second bolts, the plurality of first bolts and the plurality of second bolts are respectively provided with an adjusting block, and the plurality of adjusting blocks are respectively provided with a hexagonal groove.

[0010] Preferably, the grid framework is composed of a plurality of horizontal rods and a plurality of vertical rods, the plurality of horizontal rods and the plurality of vertical rods are staggered, and the included angle between the plurality of horizontal rods and the plurality of vertical rods is 90 degrees.

[0011] Preferably, the plurality of support frames, the plurality of baffles and the plurality of grid frameworks are all made of cast iron, and the outer walls of the plurality of baffles are respectively sprayed with a corrosion-resistant coating.

[0012] Preferably, the side of the plurality of baffles away from the grid framework is detachably provided with a dust collecting plate, the plurality of dust collecting plates are respectively provided with a plurality of notches for collecting smoke dust particles, and the plurality of extension frames are respectively provided with a mounting plate connectable with a calcium carbide production outlet port.

[0013] Compared with the related art, the cast iron smoke hood with a cross grid rib plate type outlet port has the following beneficial effects:

[0014] Compared with the prior art, the cast iron smoke hood with a cross grid rib plate type outlet port provided by the present scheme increases the application flexibility of impurities through the modular plate type smoke hood, connects the plurality of baffles together through the first bolts and the first connecting rods, is more convenient to operate the rotation of the first bolts compared with directly connecting the plurality of baffles with bolts, reduces the risk of bolt loosening caused by vibration through the cooperation of the anti-skid pads, and more easily installs the smoke hood under different assembly structures in the workplace through the cooperation of the extension frames and the mounting plates. The small size of the baffles solves the problem of thick thickness and large weight of a single cast plate, and the grid framework solves the problems of fragility and strength of cast iron. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a main view structural schematic diagram of a cross grid rib plate type cast iron smoke hood provided by the utility model;

[0016] Figure 2 is Figure 1 is an enlarged structural schematic diagram of the A part shown in the figure;

[0017] Figure 3 is a main view three-dimensional structural schematic diagram of the dividing plate in the utility model;

[0018] Figure 4 is a rear view three-dimensional structural schematic diagram of the dividing plate in the utility model.

[0019] The drawing mark: 1, support frame; 2, baffle; 3, grid framework; 4, connecting port; 5, first connecting rod; 6, first bolt; 7, extension frame; 8, second connecting rod; 9, second bolt; 10, limiting plate; 11, mounting plate; 12, dust collecting plate. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the description and claims of the application as well as the above drawings, is not intended to limit the scope of the application to the specific embodi ments described in the specification; the terms "including" and "comprising" and any variations thereof, as used in the specification and in the claims, are intended to cover both the inclusive and the exclusive cases. The terms "first", "second", and the like, as used in the specification and in the claims, are intended to indicate different objects, not to indicate a particular order; the terms "inner", "outer", "left", "right", "up", "down", "over", "under", "front", "rear", "clockwise", "counter-clockwise", "horizontal", "vertical", "top", "bottom", "lateral", "longitudinal", and "transverse" as used in the specification and in the claims are intended to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used for the purpose of facilitating the description of the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model to a particular orientation, configuration and operation, and therefore cannot be understood as limiting the utility model.

[0021] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive or alternative embodiments. It is expressly understood that the embodiments described herein are merely examples from a whole class of comparable embodiments which those skilled in the art will readily identify. In the specification, relative terms are used to generally relate to the orientation of the utility model and to facilitate the description of the utility model, and therefore cannot be understood as limiting the utility model to a particular orientation, configuration and operation.

[0022] The utility model embodiment provides a kind of cross grid rib plate type cast iron smoke hood, such as Figures 1-4As shown, the cross-grid ribbed cast iron hood of the furnace outlet comprises: a plurality of sub-plates, which are composed of support frames 1 and baffles 2 fixed in the support frames 1, the baffles 2 being used to block and isolate smoke; a plurality of grid skeletons 3, which are respectively installed in the support frames 1 and connected to the baffles 2; a plurality of connecting ports 4, which are respectively arranged on the support frames 1 and can be connected to each other; a plurality of first connecting rods 5, which are respectively installed in the connecting ports 4 connected to each other, and two first bolts 6 are threadedly installed on each of the first connecting rods 5, and the two first bolts 6 located on the same first connecting rod 5 are located in any two different support frames 1.

[0023] In this embodiment, the plurality of sub-plates constitute the basic unit of the hood, wherein the support frames 1 provide structural support, and the baffles 2 are used to block and isolate smoke to prevent its escape; through modular design, installation and disassembly are facilitated, the flexibility and maintainability of the hood are improved, the grid skeletons 3 enhance the overall strength and rigidity of the hood, and the anti-deformation capability is improved; through the connecting ports 4, a plurality of sub-plates can be flexibly connected together to form a complete hood structure; through the cooperation of the first connecting rods 5 and the first bolts 6, the firm connection between the support frames 1 can be ensured, and the overall stability of the hood is improved.

[0024] In further preferred embodiments of the present application, each of the plurality of support frames 1 is provided with an extension frame 7, a plurality of second connecting rods 8 are movably installed on each of the extension frames 7, two second bolts 9 are threadedly installed on each of the second connecting rods 8, and the second connecting rods 8 respectively penetrate the connecting ports 4 located on the support frames 1, and the second bolts 9 are respectively located on both sides of the support frames 1 and the extension frames 7.

[0025] In this embodiment, the extension frame 7 is used to provide an additional connection point for installing the second connecting rod 8, and by increasing the extension frame 7, the flexibility and expandability of the hood structure are further enhanced, so that the hood can adapt to different sizes and shapes of the furnace outlet; the introduction of the second connecting rod 8 provides an additional connection path, further enhancing the overall strength and rigidity of the hood; and since the second connecting rod 8 is movably installed, its position can be adjusted as needed, and by adjusting the fastening degree of the second bolt 9, the second connecting rod 8 can be fixed, thereby ensuring the stability and accuracy of the hood structure.

[0026] The further preferable embodiment of the utility model discloses, the inner wall of multiple support frame 1 and the outer wall of multiple extension frame 7 all are equipped with limit board 10, multiple limit board 10 respectively set in multiple first connecting rod 5 and multiple second connecting rod 8, multiple limit board 10 can respectively with multiple first bolt 6 and multiple second bolt 9 contact.

[0027] In the embodiment, the presence of the limit plate 10 restricts the movement of the first connecting rod 5 and the second connecting rod 8 during the connection process, thereby enhancing the stability of the smoke hood structure. Through the contact with the first bolt 6 and the second bolt 9, the safety and durability of the smoke hood are further improved. The design of the limit plate 10 makes the installation of the first connecting rod 5 and the second connecting rod 8 more convenient, ensuring the stability of the position.

[0028] In the further preferable embodiment of the utility model, the side of the plurality of limit plates 10 away from each other is equipped with a plurality of elastic pads, and the plurality of elastic pads are in contact with the plurality of first bolts 6 and the plurality of second bolts 9. The plurality of first bolts 6 and the plurality of second bolts 9 are equipped with adjusting blocks, and the plurality of adjusting blocks are equipped with hexagonal grooves.

[0029] In the embodiment, the elastic pad can absorb and disperse the pressure generated during the tightening of the bolt, reducing the wear and tear between the bolt and the limit plate 10, prolonging the service life. The elasticity of the elastic pad can fill the small gap between the bolt and the limit plate 10, improving the sealing of the connection. The hexagonal groove in the adjusting block facilitates the use of tools such as hexagonal wrenches for tightening and loosening the bolt, improving the convenience and accuracy of adjustment. The installation of the bolt at a perpendicular angle makes the connection operation more convenient.

[0030] In the further preferable embodiment of the utility model, the grid skeleton 3 is composed of a plurality of horizontal rods and a plurality of vertical rods. The plurality of horizontal rods and the plurality of vertical rods are arranged in a staggered manner, and the included angle between the plurality of horizontal rods and the plurality of vertical rods is 90 degrees.

[0031] In the embodiment, the grid skeleton 3 serves as the main support structure of the smoke hood, providing sufficient strength and rigidity, and ensuring the overall stability and durability of the smoke hood. The horizontal rods and vertical rods are arranged in a staggered manner at an included angle of 90 degrees, forming a stable grid structure that can effectively resist thermal stress and mechanical stress in high-temperature environments. These components collectively constitute a reinforcement and connection system for the smoke hood, ensuring the overall stability and safety of the smoke hood, and improving the load-bearing capacity, sealing performance, and adjustment convenience of the smoke hood.

[0032] In the further preferable embodiment of the utility model, the plurality of support frames 1, the plurality of baffles 2, and the plurality of grid skeletons 3 are made of cast iron, and the outer wall of the plurality of baffles is sprayed with a corrosion-resistant coating.

[0033] In the embodiment, the pig iron material has high strength and hardness, can withstand thermal stress and mechanical stress in high temperature environment, ensures the overall stability and durability of the smoke hood, the pig iron material has good high temperature resistance, can maintain stable structure and performance in high temperature environment, is not easy to deform or damage, the corrosion resistant coating can isolate the direct contact of the sub-plate with high temperature, smoke dust and other harsh environments, reduce corrosion and wear, prolong the service life of the smoke hood.

[0034] In the further preferred embodiment of the utility model, the plurality of sub-plates are detachably mounted with dust collecting plates 12 on the side away from the grid framework 3, the plurality of dust collecting plates 12 are each provided with a plurality of notches for collecting smoke dust particles, and the plurality of extension frames 7 are each mounted with mounting plates 11 connectable with the outlet of the calcium carbide production.

[0035] In the embodiment, the dust collecting plate 12 is the main component for collecting smoke dust, can capture and accumulate smoke dust particles discharged from the outlet, the notches on the dust collecting plate 12 can increase the contact area of the smoke dust particles with the dust collecting plate 12, thereby improving the collection efficiency of the smoke dust, the detachable design of the dust collecting plate 12 makes cleaning and maintenance more convenient and fast, reduces the maintenance cost, and through timely cleaning of the smoke dust on the dust collecting plate 12, the erosion of the smoke hood structure by the smoke dust can be reduced, and the service life of the smoke hood is prolonged, and the mounting plate 11 can be customized according to the size and shape of the outlet, thereby improving the adaptability and flexibility of the smoke hood.

[0036] In summary, compared with the related art, the device increases the application flexibility of impurities through the modular plate type smoke hood, connects the plurality of sub-plates together through the first bolt 6 cooperating with the first connecting rod 5, compared with directly connecting the plurality of sub-plates with bolts, the rotation of the first bolt 6 is more convenient to operate, the anti-slip pad can reduce the risk of bolt loosening caused by vibration, the extension frame 7 cooperating with the mounting plate 11 can more easily install the smoke hood under different assembly structures in the workplace, the small size of the sub-plate solves the problem of thick thickness and large weight of a single cast plate, and the grid framework 3 solves the problem of fragility and strength of cast iron.

[0037] In several embodiments provided in the application, it should be understood that the disclosed device can be implemented in other ways.

[0038] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Obviously, the described examples are only some of the embodiments of the present application, not all the embodiments. Based on these examples, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above examples, those of ordinary skill in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence, and these technical solutions also fall within the scope of the present application.

Claims

1. A cross grid bar type cast iron hood having a tapping hole, characterized in that, The utility model relates to a dust collecting device for calcium carbide production, which comprises: a plurality of sub-plates, each of which is composed of a support frame and a baffle fixed in the support frame, and the baffle is used to block the isolated smoke dust; a plurality of grid skeletons, each of which is installed in the support frame and connected to the baffle; a plurality of connecting ports, each of which is arranged on the support frame, and each of the connecting ports can be connected to another connecting port; a plurality of first connecting rods, each of which is installed in the connecting ports connected to each other, and two first bolts are screwed on each of the first connecting rods, and the two first bolts on the same first connecting rod are located in any two different support frames.

2. The cast iron fume hood with cross-shaped mesh ribs at the furnace outlet as described in claim 1, characterized in that, Each of the support frames is provided with an extension frame, and a plurality of second connecting rods are movably installed on the extension frame, and two second bolts are screwed on each of the second connecting rods, and the second connecting rods are respectively penetrated through the connecting ports located on the support frames, and the second bolts are respectively located on the two sides of the support frames and the extension frames.

3. The tap hole cross grid bar type cast iron cowl according to claim 2, wherein A limiting plate is arranged on the inner wall of each of the support frames and the outer wall of each of the extension frames, and the limiting plate is sleeved on each of the first connecting rods and the second connecting rods, and the limiting plate can be in contact with the first bolts and the second bolts.

4. The tap hole cross grid bar type cast iron cowl according to claim 3, wherein Each of the limiting plates is provided with an elastic pad on the side away from each other, and the elastic pad is in contact with the first bolts and the second bolts, and the first bolts and the second bolts are provided with an adjusting block, and the adjusting block is provided with a hexagonal groove.

5. The cast iron fume hood with cross-shaped mesh ribs at the furnace outlet as described in claim 1, characterized in that, The grid skeleton is composed of a plurality of horizontal rods and a plurality of vertical rods, the horizontal rods and the vertical rods are arranged alternately, and the included angle between the horizontal rods and the vertical rods is 90 degrees.

6. The cast iron fume hood with cross-shaped mesh ribs at the furnace outlet as described in claim 1, characterized in that, Each of the support frames, the baffles and the grid skeletons is made of cast iron, and the outer wall of each of the sub-plates is sprayed with an anti-corrosion coating.

7. The tap hole cross grid bar type cast iron cowl according to claim 2, wherein Each of the sub-plates is detachably provided with a dust collecting plate on the side away from the grid skeleton, and each of the dust collecting plates is provided with a plurality of notches for collecting smoke dust particles, and each of the extension frames is provided with a mounting plate connected to the calcium carbide production outlet.

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