A kind of holding furnace aluminum liquid filtering and purification device and filtering and purification method thereof

Abstract

The present invention provides an aluminum liquid filtering and purification device for an insulation furnace and a filtering and purification method thereof, comprising a furnace body mechanism and a filtering mechanism, wherein the furnace body mechanism comprises a molten pool furnace body, a feed box, an injection molding chamber, an insulation chamber and a material taking chamber; the filtering mechanism comprises a hydraulic cylinder, a heat-resistant block, a plug plate, a filter plate, a baffle, a first slag retaining wall and a second slag retaining wall. The present invention performs a barrier operation on the alloy liquid in the injection molding chamber through the first slag retaining wall to prevent precipitated heavy metals from flowing into the interior of the insulation chamber, and then performs a barrier operation on the alloy liquid in the insulation chamber again through the second slag retaining wall to prevent precipitated heavy metals and oxide scale in the alloy liquid in the insulation chamber from entering the interior of the material taking chamber, and then intercepts impurity particles carried in the alloy liquid through the arranged filter plate, thereby completing the filtering and purification operation of the alloy liquid, thereby improving the filtering effect, reducing the content of impurities in the product, and improving the quality of the product.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum liquid production, and in particular to an aluminum liquid filtering and purifying device for an insulation furnace and a filtering and purifying method thereof. Background Art

[0002] The holding furnace is a kind of instrument designed to overcome the disadvantage that the material surface, which has been ignited and burned at high temperature, is suddenly exposed to the atmosphere after leaving the igniter, causing the red-hot material surface to cool rapidly. As a result, the mineral composition of the surface sintered ore has a significant increase in glass content and a decrease in strength. It is an important component of the low-pressure casting furnace.

[0003] In order to ensure the quality of the product during the traditional aluminum liquid refining production, a cover plate is usually added to the pouring spoon to intercept and filter the oxide scale on the surface of the alloy liquid. The filtering effect is low and the impurities carried in the alloy liquid cannot be intercepted, resulting in a high impurity content in the product. Therefore, a holding furnace aluminum liquid filtering and purification device and a filtering and purification method thereof are proposed. Summary of the invention

[0004] In view of this, the embodiments of the present invention hope to provide a holding furnace aluminum liquid filtering and purification device and a filtering and purification method thereof to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial choice.

[0005] The technical solution of the embodiment of the present invention is implemented as follows: a holding furnace aluminum liquid filtering and purification device, including a furnace body mechanism and a filtering mechanism, the furnace body mechanism includes a molten pool furnace body, a feed box, an injection molding chamber, a holding chamber and a material taking chamber;

[0006] The filtering mechanism comprises a hydraulic cylinder, a heat-blocking block, a plug plate, a filtering plate, a baffle, a first slag-blocking wall and a second slag-blocking wall;

[0007] A feed box is fixedly connected to one side of the upper surface of the molten pool furnace body, an injection molding chamber is fixedly connected to one side of the inner wall of the molten pool furnace body, one side of the injection molding chamber is connected to an insulation chamber, the inner wall of the insulation chamber is fixedly connected to a first slag retaining wall, one side of the insulation chamber is fixedly connected to a second slag retaining wall, one side of the second slag retaining wall is provided with a plug plate, a filter plate is installed on the inner wall of the plug plate, a baffle is fixedly connected to one side of the inner wall of the plug plate, a side of the plug plate away from the insulation chamber is connected to a material taking chamber, and a heat-resistant block is fixedly connected to the middle of the upper surface of the plug plate.

[0008] Further preferably, a support plate is fixedly connected to the middle part of the upper surface of the molten pool furnace body, and a hydraulic cylinder is installed in the middle part of the upper surface of the support plate, and the piston rod of the hydraulic cylinder passes through the inner wall of the support plate and is fixedly connected to the top of the heat-resistant block; the support plate provides supporting force for the bottom of the hydraulic cylinder, thereby increasing the stability of the hydraulic cylinder at work, and the heat-resistant block is driven to move by the piston rod of the hydraulic cylinder, and the hydraulic cylinder is insulated and protected by the set heat-resistant block, thereby reducing the influence of high temperature on the hydraulic cylinder.

[0009] Further preferably, two guide rods are symmetrically fixedly connected to the upper surface of the plug plate, and two guide grooves are symmetrically provided on the inner side wall of the support plate, and the outer side walls of the guide rods are slidably connected to the inner side walls of the guide grooves; the guide rods are driven to move by the moving plug plate, and the moving guide rods slide in the guide grooves to guide the moving plug plate, thereby improving the stability of the plug plate during movement.

[0010] Further preferably, the bottom of the feed box is connected to a material guide pipe, the bottom of the material guide pipe passes through the inner wall of the molten pool furnace body and is connected to the top of the injection molding chamber; the alloy liquid in the feed box is introduced into the interior of the injection molding chamber through the material guide pipe.

[0011] Further preferably, two positioning grooves are symmetrically provided on one side of the material taking chamber and the second slag retaining wall close to the plug plate, and the inner side walls of the two positioning grooves are symmetrically slidably connected with two positioning blocks, and one side of the two positioning blocks is fixedly connected to one side of the plug plate; the moving positioning blocks slide in the positioning grooves to guide the plug plate.

[0012] Further preferably, a first cover plate is plugged into the top of the feed box, and a second cover plate is plugged into the top of the material taking chamber; the opening and closing of the feed box is controlled by the first cover plate, and the opening and closing of the material taking chamber is controlled by the second cover plate.

[0013] A method for filtering and purifying aluminum liquid in a holding furnace, comprising the following steps:

[0014] S1, move the first cover plate to open the feed box, and then inject the alloy liquid into the feed box;

[0015] S2, guiding the alloy liquid in the feed box into the interior of the injection molding chamber through the material guide pipe, and then isolating the alloy liquid in the injection molding chamber through the first slag retaining wall;

[0016] S3, the alloy liquid is kept warm and refined in the insulation chamber, and then the alloy liquid in the insulation chamber is again blocked by the second slag blocking wall to prevent the precipitated heavy metals and oxide scale from entering the interior of the reclaiming chamber;

[0017] S4, intercepting the impurity particles carried in the alloy liquid through the filter plate, and then allowing the intercepted impurity particles to fall into the interior of the plug plate under the action of gravity through the provided baffle plate for storage;

[0018] S5. The filtered and purified alloy solution is then stored in the material taking chamber, thereby completing the refining of the aluminum liquid.

[0019] Further preferably, in S2, the first slag retaining wall blocks the precipitated heavy metals flowing into the interior of the insulation chamber; and the first slag retaining wall is used to isolate the precipitated heavy metals carried in the alloy liquid in the injection molding chamber.

[0020] Since the embodiment of the present invention adopts the above technical scheme, it has the following advantages: the present invention uses the first slag retaining wall to block the alloy liquid in the injection molding chamber to prevent the precipitated heavy metals from flowing into the interior of the insulation chamber, and then uses the second slag retaining wall to block the alloy liquid in the insulation chamber again, thereby preventing the precipitated heavy metals and oxide scale in the alloy liquid in the insulation chamber from entering the interior of the feeding chamber, and then the impurity particles carried in the alloy liquid are intercepted by the set filter plate, thereby completing the filtering and purification of the alloy liquid, thereby improving the filtering effect, reducing the content of impurities in the product, and improving the quality of the product.

[0021] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a structural diagram of the present invention;

[0024] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;

[0025] Figure 3 It is a cross-sectional structural diagram of the injection molding chamber, the insert plate and the second slag retaining wall of the present invention;

[0026] Figure 4 This is an axial structural diagram of the plug board of the present invention;

[0027] Figure 5 It is a flow chart of the steps of the present invention.

[0028] 1. Furnace body mechanism; 2. Filter mechanism; 101. Molten pool furnace body; 102. Feed box; 103. Injection chamber; 104. Insulation chamber; 105. Removal chamber; 201. Hydraulic cylinder; 202. Heat-resistant block; 203. Insert plate; 204. Filter plate; 205. Baffle; 206. First slag retaining wall; 207. Second slag retaining wall; 41. Support plate; 42. Guide groove; 43. Guide rod; 44. First cover plate; 45. Second cover plate; 46. Material guide pipe; 47. Positioning groove; 48. Positioning block. DETAILED DESCRIPTION

[0029] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0030] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0031] like Figure 1-4 As shown, an embodiment of the present invention provides a device for filtering and purifying aluminum liquid in a heat preservation furnace, comprising a furnace body mechanism 1 and a filtering mechanism 2, wherein the furnace body mechanism 1 comprises a molten pool furnace body 101, a feed box 102, an injection chamber 103, a heat preservation chamber 104 and a material taking chamber 105;

[0032] The filtering mechanism 2 includes a hydraulic cylinder 201, a heat-blocking block 202, a plug plate 203, a filtering plate 204, a baffle 205, a first slag-blocking wall 206 and a second slag-blocking wall 207;

[0033] A feed box 102 is fixedly connected to one side of the upper surface of the molten pool furnace body 101, an injection chamber 103 is fixedly connected to one side of the inner wall of the molten pool furnace body 101, one side of the injection chamber 103 is connected to a heat preservation chamber 104, the inner wall of the heat preservation chamber 104 is fixedly connected to a first slag retaining wall 206, one side of the heat preservation chamber 104 is fixedly connected to a second slag retaining wall 207, one side of the second slag retaining wall 207 is provided with an insert plate 203, a filter plate 204 is installed on the inner wall of the insert plate 203, a baffle 205 is fixedly connected to one side of the inner wall of the insert plate 203, a side of the insert plate 203 away from the heat preservation chamber 104 is connected to a material taking chamber 105, and a heat resistance block 202 is fixedly connected to the middle part of the upper surface of the insert plate 203.

[0034] In one embodiment, a support plate 41 is fixedly connected to the middle of the upper surface of the molten pool furnace body 101, and a hydraulic cylinder 201 is installed in the middle of the upper surface of the support plate 41. The piston rod of the hydraulic cylinder 201 passes through the inner wall of the support plate 41 and is fixedly connected to the top of the heat-resistant block 202. The support plate 41 provides supporting force for the bottom of the hydraulic cylinder 201, thereby increasing the stability of the hydraulic cylinder 201 during operation. The heat-resistant block 202 is driven to move by the piston rod of the hydraulic cylinder 201, and the hydraulic cylinder 201 is insulated and protected by the set heat-resistant block 202, thereby reducing the influence of high temperature on the hydraulic cylinder 201.

[0035] In one embodiment, two guide rods 43 are symmetrically fixedly connected to the upper surface of the plug plate 203, and two guide grooves 42 are symmetrically provided on the inner side wall of the support plate 41. The outer side wall of the guide rod 43 is slidably connected to the inner side wall of the guide groove 42; the guide rod 43 is driven to move by the moving plug plate 203, and the moving guide rod 43 slides in the guide groove 42 to guide the moving plug plate 203, thereby improving the stability of the plug plate 203 during movement.

[0036] In one embodiment, the bottom of the feed box 102 is connected to a material guide pipe 46, the bottom of which passes through the inner wall of the molten pool furnace body 101 and is connected to the top of the injection chamber 103; the alloy liquid in the feed box 102 is introduced into the interior of the injection chamber 103 through the material guide pipe 46.

[0037] In one embodiment, two positioning grooves 47 are symmetrically provided on one side of the material taking chamber 105 and the second slag retaining wall 207 close to the insert plate 203, and the inner side walls of the two positioning grooves 47 are symmetrically slidably connected with two positioning blocks 48, and one side of the two positioning blocks 48 is fixedly connected to one side of the insert plate 203; the moving positioning blocks 48 slide in the positioning grooves 47 to guide the insert plate 203.

[0038] In one embodiment, a first cover plate 44 is plugged into the top of the feed box 102, and a second cover plate 45 is plugged into the top of the material taking chamber 105; the opening and closing of the feed box 102 is controlled by the first cover plate 44, and the opening and closing of the material taking chamber 105 is controlled by the second cover plate 45.

[0039] like Figure 5 As shown, a method for filtering and purifying aluminum liquid in a holding furnace comprises the following steps:

[0040] S1, move the first cover plate 44 to open the feed box 102, and then inject the alloy liquid into the feed box 102;

[0041] S2, introducing the alloy liquid in the feed box 102 into the interior of the injection molding chamber 103 through the material guide pipe 46, and then isolating the alloy liquid in the injection molding chamber 103 through the first slag retaining wall 206;

[0042] S3, the alloy liquid is kept warm and refined in the insulation chamber 104, and then the alloy liquid in the insulation chamber 104 is again blocked by the second slag blocking wall 207 to prevent the precipitated heavy metals and oxide scale from entering the interior of the material taking chamber 105;

[0043] S4, the impurity particles carried in the alloy liquid are intercepted by the filter plate 204, and then the intercepted impurity particles are made to fall into the interior of the plug plate 203 for storage under the action of gravity by the provided baffle plate 205;

[0044] S5. The filtered and purified alloy solution is then stored in the material taking chamber 105, thereby completing the refining of the aluminum liquid.

[0045] In one embodiment, in S2 , the first slag retaining wall 206 blocks the precipitated heavy metals flowing into the insulation chamber 104 ; the first slag retaining wall 206 is used to isolate the precipitated heavy metals carried in the alloy liquid in the injection molding chamber 103 .

[0046] In one embodiment, a switch group for opening and closing the hydraulic cylinder 201 is installed on one side of the molten pool furnace body 101 , and the switch group is connected to the external mains to supply power to the hydraulic cylinder 201 .

[0047] In one embodiment, the model of the hydraulic cylinder 201 is Y-HG1-80.

[0048] When the present invention is working: the feed box 102 is opened by moving the first cover plate 44, and then the alloy liquid is introduced into the interior of the feed box 102, and then the alloy liquid in the feed box 102 is introduced into the interior of the injection molding chamber 103 through the guide pipe 46, and then the precipitated heavy metals carried by the alloy liquid in the injection molding chamber 103 are blocked by the first slag retaining wall 206, so as to effectively prevent the precipitated heavy metals from flowing into the interior of the insulation chamber 104, and then the alloy liquid is insulated and refined by the insulation chamber 104, and then the alloy liquid in the insulation chamber 104 is blocked again by the second slag retaining wall 207, so as to avoid the precipitated heavy metals and oxide scale from entering the interior of the material taking chamber 105, and then the alloy liquid in the insulation chamber 104 is introduced into the interior of the material taking chamber 105 through the plug plate 203, and then the impurities carried by the alloy liquid are intercepted by the set filter plate 204, and then the intercepted impurity particles are made to fall into the interior of the plug plate 203 for storage through the set baffle 205, and then The filtered and purified alloy solution is then stored in the material taking chamber 105, thereby completing the refining of the aluminum liquid. When it is necessary to take the plug plate 203 out of the molten pool furnace body 101, the hydraulic cylinder 201 is started by the switch group, and the piston rod of the hydraulic cylinder 201 drives the heat-resistant block 202 to move, and the moving heat-resistant block 202 drives the plug plate 203 to move. The hydraulic cylinder 201 is thermally insulated by the provided heat-resistant block 202, thereby reducing the influence of high temperature on the hydraulic cylinder 201, and then the moving plug plate 203 drives the positioning block 48 and the guide rod 43 to move. The moving positioning block 48 guides the plug plate 203 by sliding in the positioning groove 47, and then the moving guide rod 43 slides in the guide groove 42 to guide the moving plug plate 203 again, thereby improving the stability of the plug plate 203 in motion. The device not only improves the filtering and purification effect of the alloy liquid, but also reduces the content of impurities in the product, thereby improving the quality of the product.

[0049] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of various changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A device for filtering and purifying aluminum liquid in a holding furnace, comprising a furnace body mechanism (1) and a filtering mechanism (2), characterized in that: The furnace body structure (1) comprises a molten pool furnace body (101), a feed box (102), an injection molding chamber (103), an insulation chamber (104) and a material taking chamber (105); The filtering mechanism (2) comprises a hydraulic cylinder (201), a heat-blocking block (202), a plug plate (203), a filtering plate (204), a baffle (205), a first slag-blocking wall (206), and a second slag-blocking wall (207); A feed box (102) is fixedly connected to one side of the upper surface of the molten pool furnace body (101), an injection chamber (103) is fixedly connected to one side of the inner wall of the molten pool furnace body (101), one side of the injection chamber (103) is connected to an insulation chamber (104), a first slag retaining wall (206) is fixedly connected to the inner wall of the insulation chamber (104), one side of the insulation chamber (104) is fixedly connected to a second slag retaining wall (207), and one side of the second slag retaining wall (207) is provided with an insert. The plug plate (203) is provided with a filter plate (204) on the inner side wall of the plug plate (203), a baffle plate (205) is fixedly connected to one side of the inner side wall of the plug plate (203), a side of the plug plate (203) away from the insulation chamber (104) is connected to the material taking chamber (105), a heat-resisting block (202) is fixedly connected to the middle of the upper surface of the plug plate (203), a support plate (41) is fixedly connected to the middle of the upper surface of the molten pool furnace body (101), and the upper surface of the support plate (41) is A hydraulic cylinder (201) is installed in the middle of the surface, the piston rod of the hydraulic cylinder (201) penetrates the inner wall of the support plate (41) and is fixedly connected to the top of the heat-resisting block (202), the upper surface of the plug plate (203) is symmetrically fixedly connected with two guide rods (43), the inner wall of the support plate (41) is symmetrically provided with two guide grooves (42), the outer wall of the guide rod (43) is slidably connected to the inner wall of the guide groove (42), and the bottom of the feed box (102) is connected to the inner wall of the guide groove (42). A material guide pipe (46) is provided, the bottom of which passes through the inner wall of the molten pool furnace body (101) and is connected to the top of the injection molding chamber (103); two positioning grooves (47) are symmetrically provided on one side of the material taking chamber (105) and the second slag retaining wall (207) close to the plug plate (203); the inner walls of the two positioning grooves (47) are symmetrically slidably connected to two positioning blocks (48); one side of the two positioning blocks (48) is fixedly connected to one side of the plug plate (203).

2. The holding furnace aluminum liquid filtering and purification device according to claim 1 is characterized in that: A first cover plate (44) is plugged into the top of the feed box (102), and a second cover plate (45) is plugged into the top of the take-out chamber (105).

3. A method for filtering and purifying aluminum liquid in a holding furnace according to any one of claims 1 to 2, characterized in that: The following steps are involved: S1, moving the first cover plate (44) to open the feed box (102), and then injecting alloy liquid into the interior of the feed box (102); S2, guiding the alloy liquid in the feed box (102) into the interior of the injection molding chamber (103) through the material guide pipe (46), and then isolating the alloy liquid in the injection molding chamber (103) through the first slag retaining wall (206); S3, performing heat preservation and refining work on the alloy liquid in the insulation chamber (104), and then performing isolation work on the alloy liquid in the insulation chamber (104) again by using the second slag retaining wall (207) to prevent precipitated heavy metals and oxide scale from entering the interior of the material taking chamber (105); S4, intercepting impurity particles carried in the alloy liquid through the filter plate (204), and then allowing the intercepted impurity particles to fall into the interior of the plug plate (203) under the action of gravity through the provided baffle plate (205) for storage; S5. The filtered and purified alloy solution is then stored in the material taking chamber (105), thereby completing the refining of the aluminum liquid.

4. The method for filtering and purifying aluminum liquid in a holding furnace according to claim 3, characterized in that: In S2, the first slag retaining wall (206) blocks the precipitated heavy metals that flow into the interior of the insulation chamber (104).

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