Metal smelting furnace charging port cleaning device

Abstract

The present application relates to the technical field of metal smelting furnace cleaning device, especially to the metal smelting furnace feeding opening cleaning device, which mainly aims at the problem that the existing metal smelting furnace feeding opening needs to be cleaned regularly by manual work to avoid the caliber reduction of the feeding opening, and proposes the following technical scheme: including a PLC control system, a metal smelting furnace equipment body and an indoor cross beam, the top of the metal smelting furnace equipment body is provided with a feeding opening, and a circular metal water jacket is installed in the feeding opening, and a discharge hopper is connected to the top of the circular metal water jacket. The present application realizes the cleaning of the feeding opening by the equipment, reduces the working time of manual cleaning, improves the cleaning efficiency, eliminates the risk of splash melt scalding, realizes automatic control, and makes the operation of the metal smelting furnace more convenient and efficient, and is mainly applied to the cleaning of the feeding opening of the metal smelting furnace.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metal smelting furnace cleaning device, in particular to a metal smelting furnace charging port cleaning device. BACKGROUND

[0002] During the cold material adding process, the oxygen sprayed at high speed on the furnace bottom or furnace side agitates the molten metal in the furnace violently, and the slag layer in the furnace splashes, due to various factors, the charging port often accumulates, the charging port is a steel or copper water jacket through which cooling water passes, which causes the diameter of the charging port to become smaller and smaller, seriously affecting the charging capacity; at present, a special person must be arranged in the workshop, and the charging port is cleaned every 5-10 minutes by using a pneumatic pick. During the cleaning process, due to process and production reasons, the high-temperature liquid in the furnace will occasionally splash out of the charging port, which seriously affects the personal safety of the operator.

[0003] At the same time, there is a lack of perfect and safe cleaning device in the prior art to clean the feeding port of the metal smelting furnace, so it is urgent to design, manufacture and install a charging port cleaning device which can realize unattended operation for regular cleaning of the charging port. In view of this, the metal smelting furnace charging port cleaning device is proposed. SUMMARY

[0004] The purpose of the present application is to solve the problem of the existing metal smelting furnace charging port which needs to be cleaned regularly by manual operation to avoid the diameter of the charging port from being reduced, which seriously affects the personal safety of the operator.

[0005] The technical scheme of the present application is: a metal smelting furnace charging port cleaning device, comprising a PLC control system, a metal smelting furnace equipment body and an indoor cross beam, a charging port is formed at the top of the metal smelting furnace equipment body, and a circular metal water jacket is installed in the charging port, a discharge hopper is connected to the top of the circular metal water jacket, a receiving bin is arranged above the discharge hopper, the receiving bin is fixedly connected with the indoor cross beam, a gas cylinder is installed on the indoor cross beam, and a cleaning assembly is installed on the output end of the gas cylinder.

[0006] The cleaning assembly comprises a connecting plate fixedly connected with the output end of the support, a plurality of connecting rods are installed on the bottom surface of the connecting plate, the other end of the connecting rod is connected with a cleaning assembly end portion, the cleaning assembly end portion comprises an end plate and a gear ring installed on the bottom of the end plate, and a plurality of drill bits are also installed on the bottom plate wall of the end plate.

[0007] The PLC control system comprises a starting loop module, an electromagnetic valve assembly unit is electrically connected to the control end of the starting loop module, and the electromagnetic valve assembly unit corresponds to the gas cylinder.

[0008] The PLC control system is used for controlling the gas cylinder; an electromagnetic valve assembly is installed on the input end of the gas cylinder to control the same.

[0009] The PLC is used for adjusting the cleaning frequency according to the melt spitting and charging port coking speed data, adjusting the electromagnetic valve opening degree on the compression pipeline to control the movement speed and force of the cylinder, and retracting the end of the cleaning assembly.

[0010] Preferably, the two sides of the circular metal water jacket are connected with liquid connection pipelines for controlling the liquid inlet and outlet of the circular metal water jacket respectively, a circulating channel is further arranged in the circular metal water jacket, the circular metal water jacket is connected with the metal smelting furnace equipment body through a plurality of bolts, and the outer ring of the circular metal water jacket is tightly installed with the inner wall of the charging port.

[0011] Preferably, a support is installed on the indoor cross beam, the cylinder is installed through the support and the indoor cross beam, and a gas path connection pipe is further connected with the top of the cylinder.

[0012] Preferably, the end of the cleaning assembly is an alloy head, the connecting rod is a thick-walled seamless steel pipe, and the connecting rod has a plurality of groups.

[0013] Preferably, a plurality of discharging holes are further arranged in the end plate.

[0014] Preferably, the drill bit is a conical structure, the drill bit has a plurality of groups and is arranged in a circumferential array at the bottom of the end plate, and the length of the tip of the drill bit is greater than the length of the tooth ring.

[0015] Preferably, a scraping ring is connected with the outer ring of the end plate, the outer diameter of the scraping ring matches the inner ring of the circular metal water jacket, and the cross section of the scraping ring is a sharp end structure with two right angles.

[0016] Preferably, a material guide groove for guiding the scraped material to fall is further arranged in the inner side of the scraping ring of the outer ring of the end plate.

[0017] Compared with the prior art, the present application has the following beneficial technical effects:

[0018] 1. The present application adopts a PLC control system to control the operation of the cleaning assembly, thereby meeting the purpose of not needing manual participation in work, reducing the workload of manual participation, reducing the labor cost, and improving the safety of work; a large-diameter and large-flow electromagnetic control reversing valve is adopted to control the forward and backward movement of the cylinder, the material adhered to the inner wall of the charging port is cleaned, and the end of the cleaning assembly is sawtooth-shaped, which can easily clean the material adhered to the inner wall of the charging port;

[0019] 2. The present application further installs a drill bit in the end of the cleaning assembly, the drill bit cracks the wall-adhered material, so that the end of the cleaning assembly is more labor-saving in cleaning;

[0020] 3、In summary, the application realizes the cleaning of the charging port by the device, reduces the manual cleaning work, improves the cleaning efficiency, eliminates the risk of splash melt scalding, realizes automatic control, and makes the operation of the metal smelting furnace more convenient and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a front view of the overall structure of the metal smelting furnace;

[0022] Figure 2 is Figure 1 a partial structure cross-sectional view of the metal smelting furnace;

[0023] Figure 3 is Figure 2 a front view of the metal smelting furnace;

[0024] Figure 4 is a structure schematic view of the air cylinder and the cleaning assembly;

[0025] Figure 5 is Figure 4 another angle view of the metal smelting furnace;

[0026] Figure 6 is a cross-sectional view of the end of the cleaning assembly;

[0027] Figure 7 is a principle block diagram of the PLC control system of the application.

[0028] REFERENCE SIGNS:

[0029] 1, metal smelting furnace device body;

[0030] 2, indoor cross beam;

[0031] 3, support;

[0032] 4, air cylinder;

[0033] 5, gas path connecting pipe;

[0034] 6, cleaning assembly; 61, connecting plate; 62, connecting rod; 63, end of cleaning assembly; 631, end plate; 632, gear ring; 633, material scraping ring; 635, drill bit;

[0035] 7, circular metal water jacket; 71, circulating channel; 72, liquid connecting pipeline;

[0036] 8, lower hopper;

[0037] 9, material receiving bin. DETAILED DESCRIPTION

[0038] The technical solutions of the application are further described below in combination with the drawings and specific embodiments.

[0039] Embodiment one

[0040] As Figure 1 shown, the metal smelting furnace feeding port cleaning device provided by the application comprises a PLC control system, a metal smelting furnace equipment body 1 and an indoor cross beam 2, a support 3 is installed on the indoor cross beam 2, a gas cylinder 4 is installed with the indoor cross beam 2 through the support 3, and a gas path connecting pipe 5 is further connected to the top of the gas cylinder 4. It should be noted that the indoor cross beam 2 and the metal smelting furnace equipment body 1 are separated, the metal smelting furnace equipment body 1 can rotate at a certain angle to meet the use requirements in different directions, and the spray gun is at the bottom or side of the metal smelting furnace equipment body 1.

[0041] As Figure 2 and Figure 3 shown, the top of the metal smelting furnace equipment body 1 is provided with a feeding port, and a circular metal water jacket 7 is installed in the feeding port. The circular metal water jacket 7 is made of steel or copper. The feeding port and the circular metal water jacket 7 are both provided with two groups. The two sides of the circular metal water jacket 7 are connected with liquid connecting pipes 72. The two groups of liquid connecting pipes 72 control the liquid inlet and outlet of the circular metal water jacket 7 respectively. The circular metal water jacket 7 is further provided with a circulating channel 71. The circular metal water jacket 7 is connected with the metal smelting furnace equipment body 1 through a plurality of bolts, and the outer circle of the circular metal water jacket 7 is fixedly connected with the inner wall of the feeding port.

[0042] As Figure 3 shown, the top of the circular metal water jacket 7 is connected with a discharge hopper 8. An receiving bin 9 is arranged above the discharge hopper 8. The receiving bin 9 is connected with the indoor cross beam 2 through connecting blocks, fixed bolts or welding. In the present application, the bolt connection mode is adopted. The indoor cross beam 2 is installed with a gas cylinder 4. The output end of the gas cylinder 4 is installed with a cleaning assembly 6.

[0043] As Figure 4 and Figure 5 shown, the cleaning assembly 6 comprises a connecting plate 61 fixedly connected with the output end of the support 3. A plurality of connecting rods 62 are installed on the bottom surface of the connecting plate 61. The other end of the connecting rod 62 is connected with a cleaning assembly end 63. The cleaning assembly end 63 is an alloy head. The connecting rod 62 is a thick-walled seamless steel pipe, and there are a plurality of connecting rods 62 to enhance the support effect of the cleaning assembly end 63. The cleaning assembly end 63 comprises an end plate 631 and a tooth ring 632 installed on the bottom of the end plate 631. A plurality of discharge holes penetrating through the end plate 631 are further arranged on the end plate 631 to push the cleaning feeding port while not blocking the discharge. The material can be slowly discharged from the discharge hole. A plurality of drill bits are further installed on the bottom plate wall of the end plate 631.

[0044] The PLC control system comprises a starting loop module. The control end of the starting loop module is electrically connected with a solenoid valve assembly unit. The solenoid valve assembly unit corresponds to the gas cylinder 4.

[0045] The PLC control system is used for controlling the cylinder 4, and the PLC control system can switch between automatic control and manual control, and uses matched electrical components; the input end of the cylinder 4 is provided with an electromagnetic valve assembly unit for controlling the cylinder 4, and the electromagnetic valve assembly unit is used for controlling the start interval time of the cylinder 4.

[0046] The PLC is used for adjusting the cleaning frequency according to the melt spatter and the charging port slagging speed data, adjusting the opening degree of the electromagnetic valve on the compression pipeline to control the movement speed and strength of the cylinder 4, and retracting the end part 63 of the cleaning assembly, so that the drill bit 635 is heated to reduce the strength performance and shorten the service life.

[0047] In the embodiment, the material is fed into the metal smelting furnace 1 through the feeding belt, and the feeding belt is shown in Figure 1 , Figure 2 and Figure 3 , and the existing feeding belt can be used. In the material processing of the metal smelting furnace device body 1, due to the cooling effect of the circular metal water jacket 7 and the high-temperature processing of the metal smelting furnace device body 1, the material is spattered and combined with the cooling of the circular metal water jacket 7, so that the spattered material is adhered to the inner circle of the circular metal water jacket 7, and therefore cleaning is required; when the charging port is cleaned, the PLC control system is used to control the start loop module to operate, the start loop module controls the start loop to be delivered through the gas path connection pipe 5, so that the cylinder 4 is started and used. The cylinder 4 used in the scheme is a commercially available product, and will not be described in detail in this scheme. The start of the cylinder 4 starts the cleaning assembly 6, so that the cleaning assembly 6 is pushed downward, and the end plate 631 and the tooth ring 632 in the cleaning assembly end part 63 are combined to scrape and push the material on the inner circle of the circular metal water jacket 7, so that the material adhered to the inner circle of the circular metal water jacket 7 is scraped by the serrated tooth ring 632, thereby completing the cleaning of the inner wall of the circular metal water jacket 7.

[0048] Embodiment two

[0049] As shown in Figures 1-7 , compared with embodiment one, the metal smelting furnace charging port cleaning device provided by the application further comprises a PLC control system, a metal smelting furnace device body 1 and an indoor cross beam 2. The top of the metal smelting furnace device body 1 is provided with a charging port, and the charging port is provided with a circular metal water jacket 7. The top of the circular metal water jacket 7 is connected with a discharge hopper 8. The upper part of the discharge hopper 8 is provided with a material receiving bin 9. The material receiving bin 9 is fixedly connected with the indoor cross beam 2. The indoor cross beam 2 is provided with a cylinder 4. The output end of the cylinder 4 is provided with a cleaning assembly 6. Figure 4 , Figure 5As shown, the cleaning assembly 6 comprises a connecting plate 61 fixedly connected with the output end of the bracket 3, the bottom surface of the connecting plate 61 is provided with a plurality of connecting rods 62, the other end of the connecting rod 62 is connected with a cleaning assembly end portion 63, the cleaning assembly end portion 63 comprises an end plate 631 and a gear ring 632 mounted on the bottom of the end plate 631, and a plurality of drill bits 635 are mounted on the bottom plate wall of the end plate 631. Figure 2 As shown, the bottom plate wall of the end plate 631 is connected with the drill bit 635; the outer circle of the end plate 631 is connected with a material scraping ring 633, the outer diameter of the material scraping ring 633 matches the inner circle of the circular metal water jacket 7, the maximum outer diameter of the material scraping ring 633 is 3-30 mm smaller than the diameter of the inner circle of the circular metal water jacket 7, the cross section of the material scraping ring 633 is a pointed structure with two right angles, and the outer circle of the end plate 631 is also provided with a material guiding groove located on the inner side of the material scraping ring 633 for guiding the scraped material to fall down.

[0050] In this embodiment, the drill bit 635 drills down the material firmly adhered to the inner circle of the circular metal water jacket 7 to make it crack while the cleaning assembly end portion 63 is impacted and pushed downward, so that the material is decomposed to facilitate the pushing and cleaning of the gear ring 632, thereby reducing the wear of the gear ring 632 and prolonging the service life of the cleaning assembly end portion 63 as a whole.

[0051] The above specific embodiments are only several preferred embodiments of the present application, and based on the technical solutions of the present application and the related inspirations of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A cleaning device for the charging port of a metal smelting furnace, comprising a PLC control system, a metal smelting furnace body (1), and an indoor crossbeam (2), characterized in that: The metal smelting furnace equipment body (1) has a feeding port at the top, and a circular metal water jacket (7) is installed inside the feeding port. The top of the circular metal water jacket (7) is connected to a feeding hopper (8). A receiving bin (9) is set above the feeding hopper (8). The receiving bin (9) is fixedly connected to the indoor crossbeam (2). A cylinder (4) is installed on the indoor crossbeam (2). A cleaning component (6) is installed at the output end of the cylinder (4). The cleaning component (6) includes a connecting plate (61) fixedly connected to the output end of the bracket (3). Multiple sets of connecting rods (62) are installed on the bottom surface of the connecting plate (61). The other end of the connecting rod (62) is connected to the end of the cleaning component (63). The end of the cleaning component (63) includes an end plate (631) and a toothed ring (632) installed at the bottom of the end plate (631). Multiple sets of drill bits (635) are also installed on the bottom wall of the end plate (631). The drill bits (635) are tapered structures. There are multiple sets of drill bits (635) and they are arranged in a circumferential array at the bottom of the end plate (631). The length of the tip of the drill bit (635) is greater than the length of the toothed ring (632). The PLC control system includes a start-up circuit module, and the control terminal of the start-up circuit module is electrically connected to a solenoid valve assembly unit, which corresponds to the cylinder (4). The PLC control system is used to control the operation of the cylinder (4), and the input end of the cylinder (4) is equipped with a solenoid valve assembly for controlling it. The PLC is used to adjust the cleaning frequency and adjust the opening of the solenoid valve on the compression pipeline according to the data of melt splashing and slagging speed at the feed port, so as to control the movement speed and force of the cylinder (4) and the retraction of the end (63) of the cleaning component. Both sides of the circular metal water jacket (7) are connected to liquid connection pipes (72) to control the liquid inlet and outlet of the circular metal water jacket (7) respectively. A circulation channel (71) is also provided inside the circular metal water jacket (7). The circular metal water jacket (7) is connected to the metal smelting furnace equipment body (1) by multiple sets of bolts, and the outer ring of the circular metal water jacket (7) is tightly installed against the inner wall of the feeding port.

2. The metal smelting furnace charging port cleaning device according to claim 1, characterized in that, A bracket (3) is installed on the indoor beam (2), and the cylinder (4) is installed on the indoor beam (2) through the bracket (3). The top of the cylinder (4) is also connected to an air passage connection pipe (5).

3. The metal smelting furnace charging port cleaning device according to claim 1, characterized in that, The cleaning component end (63) is an alloy head, the connecting rod (62) is a thick-walled seamless steel pipe, and there are multiple sets of connecting rods (62).

4. The metal smelting furnace charging port cleaning device according to claim 1, characterized in that, The end plate (631) also has multiple sets of through-holes for feeding.

5. The metal smelting furnace charging port cleaning device according to claim 1, characterized in that, The outer ring of the end plate (631) is connected to a scraper ring (633), the outer diameter of which matches the inner ring of the circular metal water jacket (7), and the cross-section of the scraper ring (633) has two right-angled pointed ends.

6. The metal smelting furnace charging port cleaning device according to claim 5, characterized in that, The outer ring of the end plate (631) is also provided with a guide groove located inside the scraper ring (633) for guiding the scraped material to fall.

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