Blanking device not easy to adhere to smelting furnace

By adopting a square hopper, a beveled hopper, and a bent feeding pipe design in the smelting furnace feeding device, combined with bin wall vibration and hydraulic impact, the problem of hopper sticking and clogging was solved, the stability and observability of feeding were achieved, and the stability of furnace operation was improved.

CN223814943UActive Publication Date: 2026-01-20HANZHONG ZINC IND
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Patent Information

Application Number
CN202520471319.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-01-20
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

The existing smelting furnace feeding device has complex waste slag composition, especially containing iron, silicon and calcium compounds. The slag has complex properties and high viscosity, which makes it easy for the connection between the hopper and the feeding pipe to stick and block frequently, resulting in unstable feeding and affecting the stability of furnace operation.

Method used

A non-adhesive feeding device was designed, which combines a square hopper with an inclined hopper, and sets up a square-to-round variable head connected to a vertical and inclined feeding tube to increase the bending angle. It is equipped with a bin wall vibrator and a hydraulic hammer to prevent adhesion through vibration and impact. An arc-shaped observation plate is set up to observe the reaction.

Benefits of technology

It effectively prevents sticking at the connection between the hopper and the feeding pipe, ensures smooth feeding, avoids blockage, improves the stability of furnace operation, and achieves stable control of the feeding amount.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a blanking device not easy to adhere to a smelting furnace, which belongs to the technical field of smelting furnaces and comprises a square hopper, a bevel edge hopper is fixedly mounted at the bottom of the square hopper, a blanking component is fixedly mounted at the bottom of the bevel edge hopper, and the blanking component comprises three square-to-round heads fixedly mounted at the bottom of the bevel edge hopper. According to the discharging device of the smelting furnace not prone to bonding, the three square-to-round variable heads are arranged at the bottom of the bevel edge hopper, the square pipe ends of the square-to-round variable heads are welded to the bottom of the bevel edge hopper, and the vertical discharging pipes and the discharging inclined pipes are welded to the round pipe ends of the square-to-round variable heads, so that the inner wall joints are smoother; the problems that the connection position of a discharging device and a discharging pipe is formed by direct welding of a round pipe and a square discharging hopper, the smoothness of an inner wall connector is poor, slag materials are prone to being bonded to the connection position of the hopper and the discharging pipe, blocking and material breaking occur, the discharging amount is unstable, and the operation stability of a furnace becomes poor are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to smelting furnace technical field, concretely is a kind of blanking device of smelting furnace not easy to bond. BACKGROUND

[0002] The rich oxygen side blowing and fuming reduction process is used for harmless disposal of smelting waste slag, the smelting waste slag containing valuable metals such as lead, zinc and silver is added to the rich oxygen side blowing furnace for smelting and desulfurization, a large amount of lead and silver volatilizes into the dust collection system of the smelting furnace, and the smelting slag after high-temperature smelting and desulfurization is further reduced and volatilized in the fuming furnace to recover and enrich the zinc-containing fume.

[0003] The preliminarily dried waste slag is added to the smelting furnace through multi-stage belt conveying to the feeding port of the smelting furnace, and a distributing device is arranged at the feeding port, and three discharge pipes are arranged below the distributing device to realize multi-point distribution of the waste slag into the furnace to improve the stability of the furnace operation.

[0004] However, due to the complex composition of the waste slag, in addition to containing lead, zinc and silver, the waste slag also contains a large amount of iron, silicon and calcium compounds, and the slag has complex properties, large viscosity and contains a certain amount of moisture, and in addition, the original blanking device is directly welded with the discharge pipe at the connection between the round pipe and the square discharge hopper, and the smoothness of the inner wall joint is poor, which causes the discharge pipe and the discharge hopper to be easily bonded with slag, and problems such as blockage and unstable discharge amount occur, which reduces the stability of the furnace operation. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a blanking device for smelting furnace not easy to bond, which has the advantages of improving the smoothness of the connection between the discharge pipe and the discharge hopper, preventing slag bonding, and solving the problems of complex composition of the waste slag, containing a large amount of iron, silicon and calcium compounds in addition to lead, zinc and silver, complex slag properties, large slag viscosity, containing a certain amount of moisture, and poor smoothness of the inner wall joint at the connection between the original blanking device and the discharge pipe, which causes the discharge pipe and the discharge hopper to be easily bonded with slag, and problems such as blockage and unstable discharge amount occur, which reduces the stability of the furnace operation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A blanking device for smelting furnace not easy to bond, comprising a square hopper, a beveled hopper is fixedly installed at the bottom of the square hopper, and a blanking assembly is fixedly installed at the bottom of the beveled hopper.

[0008] The blanking assembly comprises three square-to-round-to-head adapters fixedly installed at the bottom of the beveled hopper, a vertical discharge pipe is fixedly installed at the bottom of the middle square-to-round-to-head adapter, and two discharge inclined pipes are fixedly installed at the bottom of the two square-to-round-to-head adapters on both sides.

[0009] Further, the two inclined edges of the inclined edge hopper are fixedly provided with bin wall vibrators, which transmit vibration to the inclined edge hopper.

[0010] Further, the surface of the inclined downcomer is hingedly provided with an arc-shaped observation plate, and the inclined downcomer is provided with a window matched with the arc-shaped observation plate.

[0011] Further, the bottom of the vertical downcomer is fixedly provided with a straight pipe connecting sleeve, which is communicated with the feeding port of the smelting furnace.

[0012] Further, the bottom of the inclined downcomer is fixedly provided with an inclined pipe connecting sleeve, which is communicated with the feeding port of the smelting furnace.

[0013] Further, the surface of the straight pipe connecting sleeve is fixedly provided with an intermediate water jacket, and the surface of the inclined pipe connecting sleeve is fixedly provided with a side water jacket.

[0014] Further, the inner side wall of the square hopper is fixedly provided with a mounting horizontal plate, which is located at the top center of the square hopper.

[0015] Further, the top of the mounting horizontal plate is fixedly provided with three hydraulic hammers, and the movable end of each hydraulic hammer is fixedly provided with a hammer head, which is aligned with the square-to-round head.

[0016] Compared with the prior art, the present application provides a downcomer device for a smelting furnace which is not easy to stick, and has the following advantages:

[0017] 1. The downcomer device for a smelting furnace which is not easy to stick, by setting three square-to-round heads at the bottom of the inclined edge hopper, welding the square pipe end of the square-to-round head with the bottom of the inclined edge hopper, and welding the vertical downcomer and the inclined downcomer with the round pipe end of the square-to-round head, the inner wall joint is smoother, which solves the problem that the smelting furnace is not stable in operation due to the complex composition of the waste residue, the complex slag, the large slag viscosity, the certain water content, the poor smoothness of the inner wall joint of the connection between the original downcomer device and the downcomer pipe, and the easy sticking of the slag at the connection between the hopper and the downcomer pipe.

[0018] 2. The downcomer device for a smelting furnace which is not easy to stick, by increasing the bending angle of the inclined downcomer, the bending part of the inclined downcomer is smoother, which greatly improves the smoothness of the downcomer and makes the bending part not easy to accumulate slag.

[0019] 3. The feeding device of the non-sticking smelting furnace, by setting the bin wall vibrator on the slope of the slope hopper, the slope hopper is regularly and periodically beaten by the bin wall vibrator, the material on the inner wall of the slope hopper is naturally dropped by the periodic beating, and the material accumulation on the inner wall of the hopper is avoided.

[0020] 4. The feeding device of the non-sticking smelting furnace, by setting a long arc window on one side of the feeding inclined pipe, and setting an arc observation plate at the window on one side of the feeding inclined pipe, after feeding is completed, the arc observation plate can be opened, and the reaction in the furnace is observed. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the utility model;

[0022] Figure 2 It is a structure side view of the utility model;

[0023] Figure 3 It is a three-dimensional view of the arc observation plate of the utility model;

[0024] Figure 4 It is a three-dimensional view of the square-round-head of the utility model.

[0025] In the drawing: 1, square hopper; 2, slope hopper; 3, square-round-head; 4, vertical feeding pipe; 5, feeding inclined pipe; 6, bin wall vibrator; 7, arc observation plate; 8, straight pipe connecting sleeve; 9, inclined pipe connecting sleeve; 10, intermediate water jacket; 11, side water jacket; 12, mounting cross plate; 13, hydraulic hammer; 14, hammer head. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] Please refer to Figures 1 to 4 The feeding device of the non-sticking smelting furnace in the embodiment comprises a square hopper 1, the bottom of the square hopper 1 is fixedly installed with a slope hopper 2, and the bottom of the slope hopper 2 is fixedly installed with a feeding assembly.

[0028] The feeding assembly comprises three square-round-heads 3 fixedly installed at the bottom of the slope hopper 2, the bottom of the middle square-round-head 3 is fixedly installed with a vertical feeding pipe 4, and the bottom of the two square-round-heads 3 on the two sides is fixedly installed with feeding inclined pipes 5. The bending angle of the feeding inclined pipe 5 is one hundred and seventy degrees, so that the feeding is more smooth.

[0029] Specifically, the square-to-round head 3 is welded at the bottom of the bevel hopper 2, the square end of the square-to-round head 3 is connected with the bevel hopper 2, and the vertical downpipe 4 and the downpipe 5 are welded at the round end of the square-to-round head 3, so that the joint between the square-to-round head 3 and the bevel hopper 2 is more smooth, and the joint between the square-to-round head 3 and the vertical downpipe 4 and the downpipe 5 is more smooth, preventing slag from sticking.

[0030] Please refer to Figure 2 and Figure 4 In this embodiment, the warehouse wall vibrator 6 is fixedly installed on the two bevels of the bevel hopper 2, and the warehouse wall vibrator 6 transmits vibration to the bevel hopper 2.

[0031] The surface of the downpipe 5 is hinged with an arc-shaped observation plate 7, and the downpipe 5 is provided with a window matched with the arc-shaped observation plate 7.

[0032] Specifically, the bevel hopper 2 is vibrated by the warehouse wall vibrator 6, so that the material is separated from the inner wall of the bevel hopper 2, facilitating the discharge of the material, and the reaction in the smelting furnace is observed through the arc-shaped observation plate 7.

[0033] It should be noted that the model of the warehouse wall vibrator 6 is CZ600, which is composed of a vibrating body, a resonance spring, an electromagnet, a machine base and the like. The periodic high-frequency vibration of the vibrating body is transmitted to the bevel hopper 2 through an impact block, which on the one hand separates the material from the inner wall of the bevel hopper 2, and on the other hand makes the material affected by alternating speed and acceleration, so that the material is smoothly discharged from the bottom of the bevel hopper 2.

[0034] Please refer to Figure 1 and Figure 2 In this embodiment, the bottom of the vertical downpipe 4 is fixedly provided with a straight pipe connecting sleeve 8, and the straight pipe connecting sleeve 8 is communicated with the inlet of the smelting furnace.

[0035] Among them, the bottom of the downpipe 5 is fixedly provided with a downpipe connecting sleeve 9, and the downpipe connecting sleeve 9 is communicated with the inlet of the smelting furnace.

[0036] Secondly, the surface of the straight pipe connecting sleeve 8 is fixedly provided with an intermediate water jacket 10, and the surface of the downpipe connecting sleeve 9 is fixedly provided with a side water jacket 11.

[0037] Specifically, the bottom end of the vertical downpipe 4 and the downpipe 5 is cooled by the intermediate water jacket 10 and the side water jacket 11, preventing the high temperature of the smelting furnace from affecting the vertical downpipe 4 and the downpipe 5.

[0038] Please refer to Figure 1 and Figure 2 In this embodiment, the inner side wall of the square hopper 1 is fixedly provided with a mounting horizontal plate 12, and the mounting horizontal plate 12 is located at the top center of the square hopper 1.

[0039] The top of the installation horizontal plate 12 is fixedly installed with three hydraulic hammers 13, the movable end of the hydraulic hammer 13 is fixedly installed with a hammer head 14, and the hammer head 14 is aligned with the square-round-change head 3.

[0040] Specifically, the hydraulic hammer 13 drives the hammer head 14 to work, and the slag blocked in the square-round-change head 3 is knocked to prevent the large slag from blocking the square-round-change head 3.

[0041] The working principle of the above embodiment is that the slag is poured into the square hopper 1, guided to the square-round-change head 3 through the inclined hopper 2, dropped into the vertical discharge pipe 4 and the discharge inclined pipe 5 through the square-round-change head 3, and output to the smelting furnace, while the warehouse wall vibrator 6 drives the inclined hopper 2 to vibrate, so that the material is separated from the inner wall of the inclined hopper 2, and the material is discharged, the reaction in the smelting furnace is observed through the arc-shaped observation plate 7, and the slag blocked in the square-round-change head 3 is broken through the hydraulic hammer 13.

[0042] The installation mode, connection mode or setting mode disclosed in the embodiment are all common mechanical connection modes, as long as the beneficial effects can be achieved. In addition, the electrical elements appearing in the embodiment are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device such as a computer which plays a control role, and the control of the electrical elements can be realized by simple programming by those skilled in the art, and the existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structure composition and working principle will not be described in detail.

[0043] It should be noted that in this paper, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0044] It should be noted that in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitation, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0045] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A device for feeding a non-stick smelting furnace, comprising a square hopper (1), characterized in that: The bottom of the square hopper (1) is fixedly installed with a bevel hopper (2), and the bottom of the bevel hopper (2) is fixedly installed with a discharging assembly; The discharging assembly comprises three square-to-round-to-head changers (3) fixedly installed at the bottom of the bevel hopper (2), the bottom of the middle square-to-round-to-head changer (3) is fixedly installed with a vertical discharging pipe (4), and the bottom of each of the two side square-to-round-to-head changers (3) is fixedly installed with a discharging inclined pipe (5).

2. A material feeding device for a non-stick smelting furnace according to claim 1, characterized in that: The two bevel edges of the bevel hopper (2) are fixedly installed with bin wall vibrators (6), and the bin wall vibrators (6) transmit vibration to the bevel hopper (2).

3. A non-sticking smelting furnace charging device according to claim 1, characterized in that: The surface of the discharging inclined pipe (5) is hingedly installed with an arc-shaped observation plate (7), and the discharging inclined pipe (5) is provided with a window matched with the arc-shaped observation plate (7).

4. The material feeding device for a non-sticking smelting furnace according to claim 1, characterized in that: The bottom of the vertical discharging pipe (4) is fixedly installed with a straight pipe connecting sleeve (8) in communication with the feeding port of the smelting furnace.

5. A non-stick smelting furnace charging device according to claim 4, characterized in that: The bottom of the discharging inclined pipe (5) is fixedly installed with a inclined pipe connecting sleeve (9) in communication with the feeding port of the smelting furnace.

6. A non-stick smelting furnace charging device according to claim 5, characterized in that: The surface of the straight pipe connecting sleeve (8) is fixedly installed with a middle water jacket (10), and the surface of the inclined pipe connecting sleeve (9) is fixedly installed with a side water jacket (11).

7. A non-stick smelting furnace charging device according to claim 1, characterized in that: The inner side wall of the square hopper (1) is fixedly installed with a mounting horizontal plate (12) located at the top center of the square hopper (1).

8. A non-stick smelting furnace charging device according to claim 7, characterized in that: The top of the mounting horizontal plate (12) is fixedly installed with three hydraulic hammers (13), the movable end of each hydraulic hammer (13) is fixedly installed with a hammer head (14), and the hammer head (14) is aligned with the square-to-round-to-head changer (3).