Smoke dust treatment device of smelting furnace

Abstract

The utility model discloses a smoke dust treatment device of a smelting furnace, which comprises a dust hood, the top end of the dust hood is fixedly connected with a first connecting pipe communicated with the dust hood, the right end of the first connecting pipe is fixedly connected with a primary treatment box, and the interior of the primary treatment box is slidably connected with a drawer. A filter screen which is slidably connected to the interior of the first-stage treatment box and penetrates through the first-stage treatment box is arranged above the drawer, a vibration assembly is installed at the top end of the first-stage treatment box, and a second connecting pipe which is fixedly connected to the top end of the first-stage treatment box and penetrates through the first-stage treatment box is arranged on one side of the vibration assembly; and the right end of the second connecting pipe is fixedly connected with a second-stage treatment box, a feeding assembly is installed at the top end of the second-stage treatment box, and the right side of the second-stage treatment box is fixedly connected with an air draft device communicating with the second-stage treatment box. The smelting furnace smoke dust treatment device solves the problems that an existing smelting furnace smoke dust treatment device is not thorough in smoke dust treatment and inconvenient to clean and maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of smoke treatment devices of smelting furnace, belong to metal smelting furnace smoke treatment technical field. BACKGROUND

[0002] The casting process of centrifugal pump is first to place the various alloy raw materials prepared in the smelting furnace for melting, and after the slagging, refining and other operations, the alloy melt is poured into the sand mold, and then cooled and solidified to obtain various parts. When smelting these metals and metal alloys through the smelting furnace, a large amount of smoke will inevitably be generated. A smelting furnace smoke treatment device is usually used to absorb these smoke to prevent direct discharge of smoke from polluting the environment. However, most of the existing devices do not thoroughly treat the smoke, resulting in smoke in the discharged gas still exceeding the standard, and the existing devices need to be cleaned frequently to prevent clogging, affecting the smelting work and also polluting the working environment. SUMMARY

[0003] The utility model aims at the deficiencies in the prior art and provides a smoke treatment device for a smelting furnace to solve the problems of incomplete smoke treatment by existing devices and inconvenient cleaning of existing devices.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A smoke treatment device for a smelting furnace includes a dust collection hood, a first connecting pipe is fixedly connected to the top end of the dust collection hood and penetrates the dust collection hood, a first-stage treatment box is fixedly connected to the right end of the first connecting pipe and penetrates the first connecting pipe, a drawer is slidably connected inside the first-stage treatment box and penetrates the first-stage treatment box, a filter screen is slidably connected inside the first-stage treatment box and penetrates the first-stage treatment box, a vibration assembly is installed at the top end of the first-stage treatment box, a second connecting pipe is fixedly connected to one side of the vibration assembly and penetrates the first-stage treatment box, a second-stage treatment box is fixedly connected to the right end of the second connecting pipe and penetrates the second connecting pipe, a feeding assembly is installed at the top end of the second-stage treatment box, a plurality of activated carbon balls are arranged inside the second-stage treatment box, a discharge frame is fixedly connected to the bottom end inside the second-stage treatment box, a bottom sealing plate is installed at the bottom end of the second-stage treatment box, and an air extraction device is fixedly connected to the right side of the second-stage treatment box and penetrates the second-stage treatment box.

[0006] Preferably, the drawer and the filter screen are installed on the front side of the first-stage treatment box through bolts and nuts, the first connecting pipe is arranged between the drawer and the filter screen, and the bottom sealing plate is installed at the bottom end of the second-stage treatment box through bolts and nuts.

[0007] Preferably, the vibration assembly comprises a plurality of supporting springs arranged vertically and fixedly connected at the top end of the first treatment box, a vibration motor fixedly connected at the top end of the supporting springs, a connecting rod arranged vertically and fixedly connected at the bottom end of the vibration motor, a vibration guide plate fixedly connected at the bottom end of the connecting rod, and a rubber sleeve fixedly connected at the outer side of the connecting rod.

[0008] Preferably, the connecting rod is located inside the first treatment box and penetrates through the first treatment box, the bottom end of the rubber sleeve is fixedly connected with the top end of the first treatment box, and the bottom end of the vibration guide plate is tightly attached with the top end of the filter screen.

[0009] Preferably, the top end of the second treatment box is fixedly connected with a feeding pipe penetrating through the second treatment box, and the top end of the feeding pipe is threadedly connected with a top cover.

[0010] Compared with the prior art, the technical scheme has the following beneficial effects:

[0011] 1. The first connecting pipe, the first treatment box, the drawer, the filter screen, the second connecting pipe, the second treatment box, the activated carbon balls and the air extraction device are arranged, the air extraction device is started when the device is used, at this time, the air outside mixes with the smoke dust and enters the inside of the first treatment box, the large-particle smoke dust is adsorbed on the filter screen, the small-particle smoke dust and the gas enter the inside of the second treatment box, the activated carbon balls adsorb the small-particle smoke dust in the gas, and the gas completely purified is discharged through the air extraction device, so that the filtration of the gas is more sufficient, and the ultra-low emission is realized.

[0012] 2. The drawer, the filter screen, the discharge frame and the bottom sealing plate are arranged, when the device needs to be cleaned, the drawer can be disassembled from the first treatment box to clean the large-particle smoke dust, the bottom sealing plate is disassembled from the bottom end of the second treatment box, the activated carbon balls can fall through the discharge frame, the used activated carbon balls are treated, new activated carbon balls are added into the second treatment box through the feeding assembly, and the device can be normally used, so that the cleaning of the device is more convenient.

[0013] 3. The vibration assembly, the supporting spring, the vibration motor, the connecting rod, the vibration guide plate and the rubber sleeve are arranged, the vibration motor is started after the device is used for a period of time, the vibration motor drives the vibration guide plate and the filter screen to vibrate, at this time, the large-particle smoke dust adsorbed on the filter screen is vibrated and falls into the inside of the drawer, the vibration assembly can vibrate and clean the filter screen, the filter screen is prevented from being blocked, and the cleaning frequency of the device is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model.

[0015] Figure 2 It is an installation structure schematic view of the filter screen and the drawer of the utility model.

[0016] Figure 3 It is a vibration assembly structure schematic view of the utility model.

[0017] Figure 4 It is a secondary processing box section structure schematic view of the utility model.

[0018] Figure 5 It is a bottom sealing plate mounting structure schematic view of the utility model.

[0019] In the figure: 1, dust cover;2, first connecting pipe;3, primary processing box;4, drawer;5, filter screen;6, vibration assembly;61, support spring;62, vibration motor;63, connecting rod;64, vibration guide plate;65, rubber sleeve;7, second connecting pipe;8, secondary processing box;9, feeding assembly;91, feeding pipe;92, top cover;10, activated carbon ball;11, discharge frame;12, bottom sealing plate;13, exhaust device. DETAILED DESCRIPTION

[0020] The utility model will be further explained in connection with the drawings and examples, but the utility model is not limited to the examples. The specific experimental conditions and methods not noted in the following examples, the technical means adopted are usually the conventional means familiar to those skilled in the art.

[0021] Example 1: as attached Figure 1As shown, a dust treatment device for a smelting furnace includes a dust collection hood 1. A first connecting pipe 2, communicating with the top of the dust collection hood 1, is fixedly connected to the top of the dust collection hood 1. A primary treatment box 3, communicating with the right end of the first connecting pipe 2, is fixedly connected to the right end of the first connecting pipe 2. A drawer 4, passing through the primary treatment box 3, is slidably connected inside the primary treatment box 3. A filter screen 5, slidably connected to and passing through the primary treatment box 3, is located above the drawer 4. A vibration assembly 6 is installed at the top of the primary treatment box 3. A second connecting pipe 7, fixedly connected to the top of the primary treatment box 3 and communicating with the primary treatment box 3, is located on one side of the vibration assembly 6. A secondary treatment box 8, communicating with the right end of the second connecting pipe 7, is fixedly connected to the right end of the second connecting pipe 7. A feeding assembly 9 is installed at the top of the secondary treatment box 8. Multiple activated carbon balls 10 are located inside the secondary treatment box 8. A discharge frame 11 is fixedly connected to the bottom of the inner side of the secondary treatment box 8. A bottom sealing plate 12 is installed at the bottom of the secondary treatment box 8. An exhaust device 13, which is connected to the right side of the secondary treatment box 8, is fixedly connected to the secondary treatment box 8. The device is connected to the first connecting pipe 2, the primary treatment box 3, the drawer 4, the filter screen 5, the second connecting pipe 7, the secondary treatment box 8, the activated carbon balls 10, and the exhaust device 13. When the device is in use, the exhaust device 13 is activated. At this time, the outside air mixed with dust enters the inner side of the primary treatment box 3. Large dust particles are adsorbed on the filter screen 5, while small dust particles and gas enter the inner side of the secondary treatment box 8. Multiple activated carbon balls 10 adsorb the small dust particles in the gas. The gas after complete purification is discharged through the exhaust device 13. This design makes the gas filtration more thorough, thereby achieving ultra-low emissions.

[0022] Example 2: As Figure 2 and Figures 4-5 As shown, the difference between the dust treatment device for the smelting furnace described in this embodiment and the device described in Embodiment 1 is that the drawer 4 and the filter screen 5 are both installed on the front side of the primary treatment box 3 by bolts and nuts. The first connecting pipe 2 is set between the drawer 4 and the filter screen 5. The bottom sealing plate 12 is installed on the bottom of the secondary treatment box 8 by bolts and nuts. The top of the secondary treatment box 8 is fixedly connected to a feeding pipe 91 that communicates with the secondary treatment box 8. The top of the feeding pipe 91 is threadedly connected to a top cover 92. With the drawer 4, filter screen 5, discharge frame 11 and bottom sealing plate 12, when the device needs to be cleaned, the drawer 4 can be removed from the primary treatment box 3 to clean large particulate dust. The bottom sealing plate 12 can be removed from the bottom of the secondary treatment box 8, and the activated carbon balls 10 can fall through the discharge frame 11. After the used activated carbon balls 10 are treated, new activated carbon balls 10 can be added to the secondary treatment box 8 through the feeding component 9, and the device can be used normally. This design makes the cleaning of the device more convenient.

[0023] Example 3: As Figure 3The difference between the smoke treatment device of the smelting furnace in the embodiment and the device in the embodiment 2 is that the vibration assembly 6 includes a plurality of support springs 61 vertically arranged and fixedly connected at the top end of the first treatment box 3, the top end of the support spring 61 is fixedly connected with a vibration motor 62, the bottom end of the vibration motor 62 is fixedly connected with a connecting rod 63 arranged vertically, the bottom end of the connecting rod 63 is fixedly connected with a vibration guide plate 64, the outer side of the connecting rod 63 is fixedly connected with a rubber sleeve 65, the connecting rod 63 is located inside the first treatment box 3 and penetrates through the first treatment box 3, the bottom end of the rubber sleeve 65 is fixedly connected with the top end of the first treatment box 3, the bottom end of the vibration guide plate 64 is closely attached with the top end of the filter screen 5, the vibration assembly 6, the support spring 61, the vibration motor 62, the connecting rod 63, the vibration guide plate 64 and the rubber sleeve 65 are arranged, after the device is used for a period of time, the vibration motor 62 can be started, the vibration motor 62 drives the vibration guide plate 64 and the filter screen 5 to vibrate, at this time, the large particle smoke dust adsorbed on the filter screen 5 is shaken off and falls into the inside of the drawer 4, the design of the vibration assembly 6 can vibrate and clean the filter screen 5, prevents the filter screen 5 from being blocked, and reduces the cleaning frequency of the device.

[0024] The method for using the device is as follows: before use, the device is powered on and connected with the control device, then the components on the device are installed, first, the bottom cover plate 12 is installed at the bottom end of the secondary treatment box 8, the top cover 92 is unscrewed from the top end of the feeding pipe 91, a large amount of activated carbon balls 10 are added into the secondary treatment box 8 through the feeding pipe 91, after the feeding pipe 91 is filled, the top cover 92 is screwed on the top end of the feeding pipe 91, then the drawer 4 and the filter screen 5 are installed, the drawer 4 is inserted into the inside of the primary treatment box 3 and fixed by using the bolts, then the vibration motor 62 is pulled up, the vibration motor 62 moves to drive the connecting rod 63 and the vibration guide plate 64 to move, the supporting spring 61 and the rubber sleeve 65 are stretched under the force, then the filter screen 5 is inserted into the inside of the primary treatment box 3 and fixed by using the bolts, the vibration motor 62 is loosened, the vibration motor 62 descends to drive the bottom end of the vibration guide plate 64 and the top end of the filter screen 5 to tightly adhere to each other, the supporting spring 61 and the rubber sleeve 65 are reset, thus the installation of the device is completed, when the smoke dust is treated, the air suction device 13 is started, the air suction device 13 sucks out the air in the connecting member to make the inside of the air suction device 13 present a negative pressure environment, at this time, the air outside the air suction device 13 mixes with the smoke dust and enters the inside of the dust suction cover 1, and then enters the inside of the primary treatment box 3 through the first connecting pipe 2, the filter screen 5 preliminarily filters the gas mixed with the smoke dust, the large particle smoke dust is adsorbed on the filter screen 5, the small particle smoke dust and the gas enter the inside of the secondary treatment box 8 through the second connecting pipe 7, the activated carbon balls 10 adsorb the small particle smoke dust in the gas, and the completely purified gas is discharged through the air suction device 13, the design makes the filtration of the gas more sufficient, so that the ultra-low emission is realized, after the device is used for a period of time, the vibration motor 62 can be started, the vibration motor 62 at the top end of the supporting spring 61 drives the connecting rod 63 in the inside of the rubber sleeve 65 and the vibration guide plate 64 at the bottom end of the connecting rod 63 to vibrate, the vibration guide plate 64 drives the filter screen 5 to vibrate, at this time, the large particle smoke dust adsorbed on the filter screen 5 is shaken off and falls into the inside of the drawer 4, the design of the vibration assembly 6 can vibrate and clean the filter screen 5, so that the filter screen 5 is prevented from being blocked and the cleaning frequency of the device is reduced, when the device needs to be cleaned, the drawer 4 is detached from the primary treatment box 3, so that the large particle smoke dust can be cleaned, the bottom cover plate 12 is detached from the bottom end of the secondary treatment box 8, so that the activated carbon balls 10 can fall through the discharging frame 11, after the used activated carbon balls 10 are treated, new activated carbon balls 10 can be added into the secondary treatment box 8 through the feeding assembly 9, and the device can be normally used.

[0025] The utility model is not limited to the above-mentioned implementation, the skilled person in the art can make equivalent transformation or replacement without departing from the spirit of the utility model, these equivalent transformations or replacements are all included in the range defined in the application claims.

Claims

1. A fume extraction device for a smelting furnace, comprising a dust extraction hood (1), characterized in that: The top of the dust hood (1) is fixedly connected to a first connecting pipe (2) that passes through the dust hood (1). The right end of the first connecting pipe (2) is fixedly connected to a primary processing box (3) that passes through the first connecting pipe (2). A drawer (4) that passes through the primary processing box (3) is slidably connected inside the primary processing box (3). A filter screen (5) that is slidably connected inside the primary processing box (3) and passes through the primary processing box (3) is provided above the drawer (4). A vibration component (6) is installed at the top of the primary processing box (3). A filter screen (5) that is fixedly connected to the primary processing box (3) is provided on one side of the vibration component (6). The second connecting pipe (7) is at the top and is connected to the first-stage treatment box (3). The second connecting pipe (7) is fixedly connected to the right end of the second connecting pipe (7) and is connected to the second-stage treatment box (8). The top of the second-stage treatment box (8) is equipped with a feeding component (9). The inner side of the second-stage treatment box (8) is provided with multiple activated carbon balls (10). The bottom of the inner side of the second-stage treatment box (8) is fixedly connected with a discharge frame (11). The bottom of the second-stage treatment box (8) is equipped with a bottom sealing plate (12). The right side of the second-stage treatment box (8) is fixedly connected with an exhaust device (13) that is connected to the second-stage treatment box (8).

2. The fume treatment device for a smelting furnace according to claim 1, characterized in that: The drawer (4) and the filter screen (5) are both installed on the front side of the primary treatment box (3) by bolts and nuts. The first connecting pipe (2) is set between the drawer (4) and the filter screen (5). The bottom plate (12) is installed on the bottom of the secondary treatment box (8) by bolts and nuts.

3. The fume treatment device for a smelting furnace according to claim 1, characterized in that: The vibration assembly (6) includes multiple support springs (61) that are vertically arranged and fixedly connected to the top of the primary processing box (3). A vibration motor (62) is fixedly connected to the top of the support springs (61), and a vertically arranged connecting rod (63) is fixedly connected to the bottom of the vibration motor (62). A vibration guide plate (64) is fixedly connected to the bottom of the connecting rod (63), and a rubber sleeve (65) is fixedly connected to the outside of the connecting rod (63).

4. The fume treatment device for a smelting furnace according to claim 3, characterized in that: The connecting rod (63) is located inside the primary treatment box (3) and passes through the primary treatment box (3). The bottom end of the rubber sleeve (65) is fixedly connected to the top end of the primary treatment box (3). The bottom end of the vibration guide plate (64) is tightly fitted to the top end of the filter screen (5).

5. The fume treatment device for a smelting furnace according to claim 2, characterized in that: The top of the secondary processing box (8) is fixedly connected to a feeding pipe (91) that communicates with the secondary processing box (8), and the top of the feeding pipe (91) is threadedly connected to a top cover (92).

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