Metal smelting waste gas treatment technology

A waste gas treatment and waste gas treatment device technology, which is applied in waste heat treatment, dispersed particle filtration, lighting and heating equipment, etc., can solve the problems such as the waste gas treatment process cannot be reached, and achieve the goal of increasing fluidity, preventing shedding, and improving treatment efficiency Effect

Active Publication Date: 2019-03-26
临沂钢铁投资集团不锈钢有限公司
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AI-Extracted Technical Summary

Problems solved by technology

The existing waste gas treatment process produced by metal smelting can not meet the relevant standards. Based on this, the present invention proposes a metal smel...
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Method used

During use, the smelting furnace 1 is heated to carry out the smelting of non-ferrous metals, and the waste gas produced when heating the smelting furnace 1 can pass into the housing 3 of the waste gas treatment device 2 from the outlet of the smelting furnace 1, and the housing 3 There is a treatment liquid in it. When the waste gas is passed into the treatment liquid, the impurities and dust contained in the waste gas will fall into the treatment liquid when it meets the treatment liquid. At the same time, the waste gas will react with the treatment liquid to remove sulfur dioxide in the waste gas. When entering the housing 3, the motor is controlled by the controller to rotate, the motor drives the connected turntable 45 to rotate, and then the belt drives another turntable 45 to rotate, and the turntable 45 rotates to drive the support plate 46 to rotate. When one of the support plates 46 rotates, the The protrusion 431 on the sleeve ...
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Abstract

The invention belongs to the technical field of smelting waste gas treatment and particularly relates to a metal smelting waste gas treatment technology. A non-ferrous metal smelting furnace used in the technology comprises a smelting furnace body. An opening in the top of the smelting furnace body is fixedly connected with a waste gas treatment device. The waste gas treatment device comprises a shell, a controller and a stirring module. The stirring module is arranged in the shell and comprises a motor, elastic bands, shaking springs, a sleeve, a support column, two turnplates and support plates. The two turnplates are symmetrically arranged in the shell. Two support plates are hinged to each turnplate. One turnplate is driven by the motor. The support column is arranged in the middle ofthe shell and sleeved with the sleeve. A group of protrusions are uniformly distributed on the outer ring of the sleeve. The elastic bands are symmetrically arranged above the sleeve. The shaking springs are arranged on the lower surfaces of the elastic bands correspondingly. According to the metal smelting waste gas treatment technology, filtering dedusting and cooling are performed on waste gasthrough cooperation of dry ice and a filtering box, and therefore, the waste gas is effectively treated.

Application Domain

Dispersed particle filtrationWaste heat treatment

Technology Topic

Non-ferrous metalWaste treatment +3

Image

  • Metal smelting waste gas treatment technology
  • Metal smelting waste gas treatment technology
  • Metal smelting waste gas treatment technology

Examples

  • Experimental program(1)

Example Embodiment

[0027] In order to make it easy to understand the technical means, creative features, goals and effects achieved by the present invention, the present invention will be further explained in conjunction with specific implementations below.
[0028] Such as Figure 1 to Figure 5 As shown, in the metal smelting waste gas treatment process of the present invention, the process steps are as follows:
[0029] S1: Put the metal into a non-ferrous metal smelting furnace for smelting, and the waste gas generated during smelting is introduced into the connected waste gas treatment device for treatment;
[0030] S2: In S1, a filter box is detachably installed at the air inlet of the exhaust gas treatment device. Dry ice is placed in the filter box to reduce the temperature of the exhaust gas and isolate the larger solid particles in the exhaust gas;
[0031] S3: Install a magnet at the bottom of the casing in the S2 exhaust gas treatment device. The magnet can adsorb iron impurities in the casing; the iron impurities can be recycled after being collected, saving resources;
[0032] S4: Test the exhaust gas treated by the exhaust gas treatment device in S3, and discharge it after meeting the emission standards;
[0033] The non-ferrous metal smelting furnace in the S1 includes a smelting furnace 1, and an exhaust gas treatment device 2 is fixedly connected to the top opening of the smelting furnace 1; the exhaust gas treatment device 2 is used to remove the exhaust gas discharged from the smelting furnace 1, and the exhaust gas treatment device 2 is communicated with the opening of the melting furnace 1 through the air inlet pipe; the exhaust gas treatment device 2 includes a casing 3 and a stirring module 4, the casing 3 is provided with a stirring module 4 inside, and a controller is fixedly installed on the outer wall of the casing 3 The controller is used to control the automatic operation of the exhaust gas treatment device; the agitating module 4 is used to agitate the treatment liquid in the housing 3, and the agitating module 4 includes a motor, an elastic belt 41, a shaking spring 42, a sleeve 43, a support 44, The turntable 45 and the supporting plate 46 are symmetrically arranged in the housing 3 with two turntables 45; both of the turntables 45 are hinged with two supporting plates 46, the two turntables 45 are connected by a belt, and one of the turntables 45 is driven by a motor The middle of the housing 3 is provided with a pillar 44; the bottom of the pillar 44 is fixed to the bottom wall of the housing 3, and a sleeve 43 is sleeved on the pillar 44; a set of protrusions 431 are evenly distributed on the outer ring of the sleeve 43 , A spring is connected between the sleeve 43 and the bottom wall of the housing 3; the rotation of the turntable 45 drives the support plate 46 to rotate. After the support plate 46 on one of the turntables 45 pushes the sleeve 43 upward, the support plate on the other turntable 45 46 pushes the sleeve 43 to return; the upper part of the sleeve 43 is provided with an elastic band 41 symmetrically; a set of through holes are evenly distributed on the elastic band 41, and the lower surface of the elastic band 41 is provided with a jitter spring 42; the elastic band One end of 41 is hinged to the top of the support 44, and the other end is slidably connected to the side wall of the corresponding housing 3. When in use, the smelting furnace 1 is heated to smelt non-ferrous metals. The exhaust gas generated when the smelting furnace 1 is heated will pass from the outlet of the smelting furnace 1 into the housing 3 of the exhaust gas treatment device 2, and the housing 3 contains Treatment liquid, when the exhaust gas is passed into the treatment liquid, the impurities and dust contained in the exhaust gas will fall into the treatment liquid when encountering the treatment liquid. At the same time, the exhaust gas will react with the treatment liquid to remove sulfur dioxide in the exhaust gas. When the exhaust gas is passed into the shell 3, the controller controls the motor to rotate, the motor drives the connected turntable 45 to rotate, and then drives the other turntable 45 to rotate through the belt. The turntable 45 rotates to drive the support plate 46 to rotate. When one of the support plates 46 rotates, The upper protrusion 431 contacts, thereby pushing the sleeve 43 to move upward, and the sleeve 43 moves to push the jitter spring 42 and the elastic belt 41 upward, so that the jitter spring 42 and the elastic belt 41 are deformed and contracted. When the support plate 46 rotates at a certain angle , Leaving the protrusion 431, at this time the supporting plate 46 on the other turntable 45 just rotates to the top of the sleeve 43, pushing the sleeve 43 downward, so that the elastic belt 41 sways up and down; this technical solution stirs the shell through the stirring module 4 The treatment liquid in the body 3 increases the fluidity of the treatment liquid, thereby improving the treatment efficiency of the exhaust gas of the melting furnace 1.
[0034] As an implementation manner, a group of steel balls 421 are evenly distributed on the shaking spring 42. In use, when the sleeve 43 moves upward under the push of the support plate 46, it will push the jitter spring 42 and the elastic band 41. At this time, when the steel ball arranged on the elastic band 41 enters the sleeve 43, it will drive the jitter spring 42 The vibration causes the elastic belt 41 to vibrate, thereby improving the fluidity of the treatment liquid and improving the treatment efficiency of the exhaust gas of the melting furnace 1.
[0035] As one of the embodiments, a shaking unit 5 is provided above the housing 3; the shaking unit 5 includes a guide rod, a connecting rod 51, and a mounting block 52. The mounting block 52 is movably mounted on the housing through the guide rod. 3 On the top wall, the bottom of the mounting block 52 is hinged with two connecting rods 51; the bottom ends of the two connecting rods 51 are respectively slidably connected to the elastic belt 41 on both sides, and one of the connecting rods 51 and the elastic belt 41 are connected at a high position. At the position where the other connecting rod 51 connects with the elastic band 41. When in use, when the sleeve 43 pushes up the elastic belt 41 to deform and contract, the elastic belt 41 moves upward as a whole, thereby pushing the connected connecting rod 51 to slide on the elastic belt 41, because the two connecting rods 51 and the elastic belt 41 are connected by The position one is high and the other is low, so that the two connecting rods 51 swing, so that the connected elastic belt 41 deforms and shrinks differently, and the amplitude of the two elastic belts 41 is different up and down, thereby improving the fluidity of the treatment liquid and improving the treatment of the waste gas of the melting furnace 1. speed.
[0036] As one of the embodiments, a cylinder 6 is connected in series on the connecting rod 51; a fan-shaped airbag 7 is connected between the two support plates 46; the two fan-shaped airbags 7 respectively pass through the pipe and the air chambers of the cylinder 6 on both sides Connected. When in use, the support plate 46 that pushes the sleeve 43 to move upward is subjected to a reaction force, thereby squeezing the connected fan-shaped airbag 7, and the internal gas is introduced into the air cavity of one of the cylinders 6 through the pipe, and the gas in the air cavity increases in volume and expands, thereby Push the connecting rods 51 connected in series to extend, so that the lengths of the connecting rods 51 on both sides are different. At this time, the elastic belt 41 is pushed upward by the sleeve 43, which will cause the two connecting rods 51 to swing up and down, deforming the connected elastic belt 41 The degree of contraction is different, and the amplitude of shaking up and down of the two elastic belts 41 is different, thereby improving the fluidity of the treatment liquid and speeding up the treatment speed of the waste gas of the smelting furnace 1.
[0037] As one of the embodiments, grooves 8 are provided on the upper and lower sides of the protrusion 431; the first airbag 9 is provided on one side of the supporting plate 46; when the first airbag 9 rotates with the supporting plate 46, it can be embedded In the groove 8 on the protrusion 431; the second airbag 10 is provided on both sides of the guide rod; the second airbag 10 communicates with the first airbag 9 through a pipe. When in use, when the two connecting rods 51 swing up and down, the mounting block 52 will be driven to squeeze the No. 2 airbag 10 from left to right. The gas in the No. 2 airbag 10 is compressed into the pipe and guided into the No. 1 airbag 9 and the No. 1 airbag 9 The gas increases in volume and expands, so that when the supporting plate 46 rotates with the turntable 45, the No. 1 airbag 9 provided on one side of the supporting plate 46 fits into the groove 8 of the protrusion 431, thereby increasing the gap between the supporting plate 46 and the protrusion 431 The friction between them prevents the support plate 46 from falling off while pushing the sleeve 43 upward.
[0038] As one of the embodiments, the pitch of one shaking spring 42 is greater than the pitch of the other shaking spring 42. When in use, when the sleeve 43 pushes the jitter spring 42 and the elastic band 41 upwards, due to the different pitches of the jitter spring 42 on both sides, the degree of deformation of the jitter spring 42 on both sides is different, so that the connected elastic band 41 is deformed and contracted. Differently, the amplitude of the up and down sway of the two elastic belts 41 is different, thereby improving the fluidity of the treatment liquid and increasing the treatment speed of the waste gas of the melting furnace 1.
[0039] When in use, the smelting furnace 1 is heated to smelt non-ferrous metals. The exhaust gas generated when the smelting furnace 1 is heated will pass from the outlet of the smelting furnace 1 into the housing 3 of the exhaust gas treatment device 2, and the housing 3 contains Treatment liquid, when the exhaust gas is passed into the treatment liquid, the impurities and dust contained in the exhaust gas will fall into the treatment liquid when encountering the treatment liquid. At the same time, the exhaust gas will react with the treatment liquid to remove sulfur dioxide in the exhaust gas. When the exhaust gas is passed into the shell 3, the controller controls the motor to rotate, the motor drives the connected turntable 45 to rotate, and then drives the other turntable 45 to rotate through the belt. The turntable 45 rotates to drive the support plate 46 to rotate. When one of the support plates 46 rotates, The upper protrusion 431 contacts, thereby pushing the sleeve 43 to move upward, and the sleeve 43 moves to push the jitter spring 42 and the elastic belt 41 upward, so that the jitter spring 42 and the elastic belt 41 are deformed and contracted. When the support plate 46 rotates at a certain angle , Leaving the protrusion 431, at this time the supporting plate 46 on the other turntable 45 just rotates to the top of the sleeve 43, pushing the sleeve 43 downward, so that the elastic belt 41 sways up and down; this technical solution stirs the shell through the stirring module 4 The treatment liquid in the body 3 increases the fluidity of the treatment liquid, thereby improving the treatment efficiency of the exhaust gas of the melting furnace 1.
[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", “Top”, “bottom”, “inner”, “outer” and other directions or positional relations are based on the attached figure 2 The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a reference to the present invention. Limitation of the scope of protection.
[0041] The above are only the embodiments of the present invention and do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the description and drawings of the present invention, or directly or indirectly applied to other related technologies In the same way, all fields are included in the scope of patent protection of the present invention.

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