Waste gas purification device for preparing regenerated aluminum alloy

Abstract

The utility model provides a waste gas purification device for preparing regenerated aluminum alloy, which structurally comprises a cooling box, a plurality of bent frames are arranged on the inner wall of the cooling box from the top to the bottom at equal intervals in a front-back staggered manner, and circulating pipes assembled with a mold temperature controller are fixedly arranged on the outer sides of the bent frames; an electromagnet is fixedly arranged at the bottom of the front end of the recycling pipe, an auger rod is arranged on the inner side of the front end of the recycling pipe, the air inlet pipe and a smoke exhaust pipe of the waste aluminum smelting furnace are assembled, high-temperature smoke is introduced into the cooling box, and the high-temperature smoke is cooled through bent frames arranged in an up-down staggered mode at equal intervals and a circulating pipe matched with a mold temperature controller. The conveying path length of the high-temperature flue gas in the cooling box is prolonged, cooling treatment is performed, and the situation that the high-temperature flue gas directly rushes into the recycling pipe, and consequently the environment temperature in the recycling pipe is abnormal and influences work of the electromagnet is avoided.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the waste aluminium recycling technical field, concretely relates to a waste gas purification device for preparing recycled aluminium alloy. BACKGROUND

[0002] The waste gas in the production process of recycled aluminium alloy mainly comes from fuel combustion, combustible substances and additives contained in waste aluminium and the like, and waste gas treatment mainly includes multiple steps such as desulfurization, defluorination, dust removal, heat recovery and tail gas treatment.

[0003] The existing patent (announcement number: CN211836985U) discloses a waste aluminium remelting waste gas metal residual screen filter device, which comprises a furnace main body, a furnace flue is arranged on the furnace main body, the furnace flue is connected with a heat-resistant hose, the heat-resistant hose is connected with a screen filter device, the screen filter device is provided with a pre-pipe and a screen filter device main body, the heat-resistant hose is connected with the pre-pipe, the screen filter device main body is divided into three sections, which are a screening section, a filtering section and a discharge section, the screening section is provided with an electromagnet, the electromagnet is arranged in the screening section through a ceramic shell, the screening section is connected with the filtering section through an insulating filter screen, the filtering section is provided with three groups of clamping blocks and a group of protruding blocks, the first, second and third clamping block groups clamp the heat-resistant fiber filter screen, the polyester fiber filter screen and the bamboo charcoal fiber respectively, the furnace waste gas can smoothly transition from the furnace to the screen filter device, the magnetic force generated by the strong electromagnet after being electrified can firmly adsorb most of the metal particles, dust and the like such as iron, cobalt and nickel, the safety factor is high, and the screen filter device is suitable for assembly by small and medium-sized practitioners.

[0004] In the implementation process of the scheme, the electromagnet is only connected with the smelting furnace through the flue, the heat-resistant hose and the pre-pipe, the temperature of the waste gas discharged by the smelting furnace during the treatment of waste aluminium is generally around 700 DEG C, and the temperature environment will cause the electromagnet equipment to appear rapid aging and magnetic decline problems, and the insufficient temperature control of the flue gas treatment will cause the low recovery efficiency of the metal particles such as iron, cobalt and nickel contained in the waste aluminium. UTILITY MODEL CONTENTS

[0005] 1. The technical problem solved by the utility model is:

[0006] The utility model provides a waste gas purification device for preparing recycled aluminium alloy, and solves the technical problem of insufficient flue gas discharge temperature treatment of the existing equipment.

[0007] 2. Technical scheme:

[0008] In order to achieve the above purpose, the utility model provides a technical scheme: a waste gas purification device for preparing recycled aluminium alloy, comprising the following structure:

[0009] Cooling box, the inner wall of the cooling box is staggered and arranged at equal intervals from top to bottom, a plurality of bunks are arranged, and the outer side of the bunk is fixed with a circulating pipe assembled with a mold temperature machine.

[0010] The recycling pipe is provided with an electromagnet at the rear side of the top end, and is provided with an auger rod at the inner side of the top end.

[0011] Further, the top end and the bottom end of the cooling box are respectively provided with an air inlet pipe and an air outlet pipe, the bottom end of the air outlet pipe is fixedly connected with the top end of the recycling pipe through bolts, the left side and the right side of the cooling box are respectively provided with side covers, and the opposite sides of the two side covers are respectively detachably connected with the left end and the right end of the rack.

[0012] Further, the front end and the middle part of the inner side of the recycling pipe are respectively provided with supports, and the middle parts of the two supports are respectively movably connected with the top end and the bottom end of the auger rod.

[0013] Further, the front end of the recycling pipe is provided with a driving motor, the rear side output end of the driving motor is provided with an output shaft, the rear end of the output shaft is provided with a universal joint, and the other end of the universal joint is fixedly connected with the bottom end of the auger rod.

[0014] Further, the rear side of the recycling pipe is provided with a dust discharging pipe, and the left end of the dust discharging pipe is provided with a dust inlet extending to the top of the baffle and between the bottom end of the auger rod.

[0015] 3. Beneficial effects:

[0016] Compared with the prior art, the technical scheme has the following beneficial effects:

[0017] The utility model provides a kind of waste gas purification device for preparing recycled aluminium alloy, air inlet pipe is assembled with the exhaust pipe of waste aluminium smelting furnace, high-temperature flue gas is introduced into cooling box, by equidistantly staggered rack, and with the circulating pipe of mould temperature machine cooperation, the conveying path length and cooling treatment of high-temperature flue gas in cooling box are extended, avoid high-temperature flue gas directly into recycling pipe, cause recycling pipe environment temperature anomaly to influence electromagnet work;

[0018] The utility model provides a kind of waste gas purification device for preparing recycled aluminium alloy, auger rod rotates in recycling pipe, electromagnet and recycling pipe cooperate and adsorb on the inner wall of recycling pipe metal particles such as iron cobalt nickel are transported to the dust inlet of dust discharging pipe, the setting of baffle avoids that metal particles in front of auger pipe are pushed by flue gas and a large number of separate from dust discharging pipe area, facilitates user in the equipment maintenance operation of later stage and carries out the recovery treatment of metal particles such as iron cobalt nickel through dust discharging pipe;

[0019] The parts not involved in the device are the same as or can be realized by the prior art. DETAILED DESCRIPTION

[0020] Figure 1 is a perspective view of the structure of the present application;

[0021] Figure 2 is a half cutaway perspective view of the structure of the recycling pipe of the present application;

[0022] Figure 3 is a half cutaway perspective view of the structure of the cooling box of the present application;

[0023] Figure 4 is a front cutaway view of the structure of the cooling box of the present application.

[0024] Reference signs:

[0025] cooling box-1; air inlet pipe-11; air outlet pipe-12;

[0026] side cover-2;

[0027] racking-3;

[0028] circulation pipe-4;

[0029] recycling pipe-5; support-51; baffle-52; ash discharge pipe-53;

[0030] electromagnet-6;

[0031] auger rod-7;

[0032] drive motor-8; output shaft-81; universal joint-82. DETAILED DESCRIPTION

[0033] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, in which several embodiments of the present application are given, however, the present application can be realized in many different forms and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0034] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be a middle element; the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0035] 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 herein is for describing particular embodiments only and is not intended to be limiting of the application; the use herein of the terms "including", "comprising", "having" and the like are meant to encompass the items listed thereafter as well as other items.

[0036] Referring to the drawings Figures 1-4 The application provides a waste gas purification device for preparing recycled aluminum alloy, which comprises the following structure.

[0037] The cooling box 1 is provided with a plurality of row frames 3 which are staggered forward and backward at equal intervals from top to bottom on the inner wall of the cooling box 1, and the outer side of the row frame 3 is fixedly provided with a circulating pipe 4 which is assembled with a mold temperature machine.

[0038] The recovery pipe 5 is fixedly provided with an electromagnet 6 at the top end of the rear side, and the top end of the recovery pipe 5 is provided with an auger rod 7.

[0039] In this embodiment, the top end and the bottom end of the cooling box 1 are fixedly provided with an air inlet pipe 11 and an exhaust pipe 12 respectively, the bottom end of the exhaust pipe 12 is fixedly connected with the top end of the recovery pipe 5 through a bolt, and the left side and the right side of the cooling box 1 are fixedly provided with side covers 2, and the opposite sides of the two side covers 2 are respectively detachably connected with the left and right ends of the row frame 3.

[0040] The air inlet pipe 11 is assembled with the exhaust pipe of the waste aluminum smelting furnace, the high-temperature flue gas is introduced into the cooling box 1, the row frame 3 which is staggered upward and downward at equal intervals and the circulating pipe 4 which is matched with the mold temperature machine are arranged, the conveying path length and the cooling treatment of the high-temperature flue gas in the cooling box 1 are prolonged, and the high-temperature flue gas is prevented from directly rushing into the recovery pipe 5, so that the environmental temperature in the recovery pipe 5 is not abnormally affected to work of the electromagnet 6.

[0041] In this embodiment, the inner side of the front end and the inner side of the middle part of the recovery pipe 5 are fixedly provided with supports 51, and the middle parts of the two supports 51 are respectively movably connected with the top end and the bottom end of the auger rod 7.

[0042] The arrangement of the support 51 in the recovery pipe 5 completes the assembly of the auger rod 7 in the recovery pipe 5, and the high-temperature flue gas needs to move in the recovery pipe 5 through the spiral blades outside the auger rod 7.

[0043] In this embodiment, the front end of the recovery pipe 5 is fixedly provided with a driving motor 8, the rear side output end of the driving motor 8 is fixedly provided with an output shaft 81, the rear end of the output shaft 81 is fixedly provided with a universal joint 82, and the other end of the universal joint 82 is fixedly connected with the bottom end of the auger rod 7.

[0044] The driving motor 8, the output shaft 81 and the universal joint 82 are matched to drive the auger rod 7 to rotate in the recovery pipe 5, and the electromagnet 6 is matched with the recovery pipe 5 to adsorb the metal particles such as iron, cobalt and nickel on the inner wall of the recovery pipe 5 and is conveyed to the ash inlet of the ash discharge pipe 53, so that the user can conveniently recycle the metal particles such as iron, cobalt and nickel through the ash discharge pipe 53 in the later equipment maintenance operation.

[0045] In the embodiment, the bottom end inner wall rear side of the recovery pipe 5 is fixedly provided with a baffle 52, the top of the baffle 52 is towards the bottom of the auger rod 7, and the rear side of the recovery pipe 5 is fixedly provided with an ash discharge pipe 53, and the left end ash inlet of the ash discharge pipe 53 extends to between the top of the baffle 52 and the bottom end of the auger rod 7.

[0046] The design of the baffle 52 avoids that the metal particles recovered in the front part of the auger pipe are pushed by the flue gas to be separated from the area of the ash discharge pipe 53 in a large amount, and the recovery pipe 5 only needs to discharge the flue gas into the waste gas treatment equipment configured in the factory to perform desulfurization operation.

[0047] The above-described embodiments only express certain implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the patent range of the utility model; it should be pointed out that for ordinary skilled persons in the art, on the premise of not departing from the concept of the utility model, a number of deformations and improvements can be made, which belong to the protection range of the utility model; therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. An exhaust gas purification device for producing a recycled aluminum alloy, characterized by: The application relates to a cooling box. The cooling box (1) is provided with multiple row frames (3) staggered forward and backward at equal intervals from top to bottom on the inner wall of the cooling box (1), the outer side of the row frame (3) is fixedly provided with a circulating pipe (4) assembled with a mold temperature controller, a recycling pipe (5) is provided, the top rear side of the recycling pipe (5) is fixedly provided with an electromagnet (6), and the top inner side of the recycling pipe (5) is provided with an auger rod (7). The top end and the bottom end of the cooling box (1) are respectively fixedly provided with an air inlet pipe (11) and an air outlet pipe (12), the bottom end of the air outlet pipe (12) is fixedly connected with the top end of the recycling pipe (5) through bolts, the left side and the right side of the cooling box (1) are both fixedly provided with side covers (2), and the opposite sides of the two side covers (2) are respectively detachably connected with the left end and the right end of the row frame (3).

2. The exhaust gas purifying apparatus for producing recycled aluminum alloy according to claim 1, characterized by: The middle parts of the two supports (51) are respectively movably connected with the top end and the bottom end of the auger rod (7).

3. The exhaust gas purifying apparatus for producing recycled aluminum alloy according to claim 1, characterized by: The front end of the recycling pipe (5) is fixedly provided with a driving motor (8), the rear side output end of the driving motor (8) is fixedly provided with an output shaft (81), the rear end of the output shaft (81) is fixedly provided with a universal joint (82), and the other end of the universal joint (82) is fixedly connected with the bottom end of the auger rod (7).

4. The exhaust gas purifying apparatus for producing recycled aluminum alloy according to claim 1, characterized by: The bottom end inner wall rear side of the recycling pipe (5) is fixedly provided with a baffle (52), the top part of the baffle (52) faces the bottom part of the auger rod (7), the rear side of the recycling pipe (5) is fixedly provided with an ash discharge pipe (53), and the left end ash inlet of the ash discharge pipe (53) extends to between the top part of the baffle (52) and the bottom end of the auger rod (7).

5. The exhaust gas purifying apparatus for producing recycled aluminum alloy according to claim 1, characterized by: ​

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