CN102517613A - Polyurethane foamed sponge pretreatment equipment and technology - Google Patents
Polyurethane foamed sponge pretreatment equipment and technology Download PDFInfo
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- CN102517613A CN102517613A CN2011104348405A CN201110434840A CN102517613A CN 102517613 A CN102517613 A CN 102517613A CN 2011104348405 A CN2011104348405 A CN 2011104348405A CN 201110434840 A CN201110434840 A CN 201110434840A CN 102517613 A CN102517613 A CN 102517613A
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Abstract
The invention relates to the field of chemical engineering machinery, and especially discloses pretreatment equipment and a pretreatment technology of polyurethane foamed sponge. The equipment is characterized in that the equipment comprises connected components of, from left to right: an oxidation and dissolving tank, a reduction tank, a primary washing tank, a secondary washing tank, an extrusion drying system and drying and shaping equipment. An unwinding rack is arranged on the left of the oxidation and dissolving tank, and a winding mechanism is arranged on the right of the drying and shaping equipment. A liquid storing tank and a circulation pump are respectively arranged below the oxidation and dissolving tank and the reduction tank. A pretreatment driving system is arranged below the primary washing tank. Multi-grade guiding shafts are respectively arranged in the oxidation and dissolving tank, the reduction tank, the primary washing tank, and the secondary washing tank. Extrusion rolls are respectively arranged between the dissolving tank and the reduction tank, between the reduction tank and the primary washing tank, and between the primary washing tank and the secondary washing tank. The polyurethane foamed sponge pretreatment equipment and technology provided by the invention is advantaged in that: with the equipment and the technology, tensile and bending resistances of foamed nickel are improved, such that battery production requirement is satisfied.
Description
(1) technical field
The present invention relates to chemical machinery field, continuous pre-processing device of particularly a kind of polyurethane foam and technology.
(2) background technology
In the nickel foam production process, owing to the continuous matrix of bubble is the flexible strip that is obtained by the rotary-cut of bulb sponge block shape product, in the rotary-cut process; The foam block matrix of tridimensional network has the part tie point and is cut, and forms breakpoint, these breakpoints in electroplating process because point discharge effect preferential deposition plated metal; Under the certain situation of area density; The coating attenuation of the connection fiber between the three-dimensional apertures causes the nickel foam product performance to descend, and tensile strength is on the low side.
(3) summary of the invention
The present invention provides a kind of continuous pre-processing device of polyurethane foam and technology that increases porosity, the tension that improves nickel foam, bend resistance performance in order to remedy the deficiency of prior art.
The present invention realizes through following technical scheme:
The continuous pre-processing device of a kind of polyurethane foam; It is characterized in that: comprise the oxidation dissolution groove, reducing bath, one-level rinse bath, secondary rinse bath, extruding stem drying system and the drying shaping device that from left to right connect successively; Oxidation dissolution groove left side is provided with unwinding rack; The drying shaping device right side is provided with rolling-up mechanism, and oxidation dissolution groove and reducing bath below are respectively equipped with reservoir and recycle pump, and one-level rinse bath below is provided with the pre-treatment transmission system; Be separately installed with the multistage axis of guide in oxidation dissolution groove, reducing bath, one-level rinse bath and the secondary rinse bath; Between oxidation dissolution groove and the reducing bath, between reducing bath and the one-level rinse bath, between one-level rinse bath and the secondary rinse bath, be respectively equipped with extrusion roll between secondary rinse bath and the extruding stem drying system, extrusion roll is provided with adjustable forcing screw.
Axis of guide material is acid-alkali-corrosive-resisting, antioxidant material, and axis of guide diameter is 100mm～200mm, is inlaid with bearing respectively on the front and back inwall of oxidation dissolution groove, reducing bath, one-level rinse bath and secondary rinse bath, and the two end supports of the axis of guide is on bearing.
The extruding stem drying system is made up of the multistage stainless steel pair roller, two rollers about the stainless steel pair roller comprises or up and down, and roller diameter is 100～200mm.
Drying shaping device is temperature automatically controlled far infrared baking oven, and its type of drive is the guipure transmission.
The far infrared oven temperature is 40～90 ℃; The speed of pre-treatment transmission system is 10～150m/h.
Use the continuous pretreatment technology of polyurethane foam of the continuous pre-processing device of this polyurethane foam, it is characterized in that: comprise the steps:
(a) open the recycle pump and the recycle pump of reducing bath of oxidation dissolution groove, make oxidation dissolution solution in the oxidation dissolution groove reach the processing liquid level with the interior reducing solution of reducing bath after, flow out via riser; Open the far infrared baking oven, begin heating; When the far infrared baking oven reaches 40～90 ℃, open the pre-treatment transmission system, the polyurethane foam that is placed on the unwinding rack is continuous, is serpentine and walks around the axis of guide in the oxidation dissolution groove;
(b) the polyurethane foam silk floss comes out to extrusion roll from the oxidation dissolution groove; Get into reducing bath through extrusion roll; Adjust adjustable forcing screw, extrusion roll extracted the polyurethane foam silk floss, polyurethane foam continuous during through reducing bath around the axle mode with the serpentine of oxidation dissolution groove around the axle mode;
(c) the polyurethane foam silk floss comes out through reducing bath, gets into one-level rinse bath, secondary rinse bath successively, with cleaning around the axle mode of serpentine, gets into the extruding stem drying system subsequently;
(d) the polyurethane foam silk floss passes through in the middle of the multistage stainless steel pair roller, through multistage extruding the moisture in the polyurethane foam silk floss is pushed out;
(e) the polyurethane foam silk floss through extruding arrives the far infrared baking oven again, and drying, reforming is accomplished a whole set of pretreatment technology after the guipure transmission arrives the rolling-up mechanism rolling.
Oxidation dissolution solution is one or more the mixing solutions in potassium permanganate solution, potassium bichromate solution, sulphuric acid soln or the salpeter solution.
Oxidation dissolution solution is the mixing solutions of potassium permanganate solution and sulphuric acid soln, and wherein the concentration of potassium permanganate solution is 2～100g/L, and the concentration of sulphuric acid soln is 2～80ml/L.
Reducing solution comprises sulphuric acid soln, also comprises sodium oxalate solution and/or hydrogen peroxide solution, and wherein the concentration of sulphuric acid soln is 1～90ml/L, and the concentration of sodium oxalate solution is 1～80g/L, and the concentration of hydrogen peroxide solution is 5～100ml/L.
The beneficial effect of continuous pre-processing device of polyurethane foam of the present invention and technology is: can the broken end on the continuous top layer of polyurethane foam be partly dissolved; Connection fibrous refinement between the three-dimensional apertures, surfaceness increase, and its coating is thickened, and fiber increases slightly; Get through the continuous inner closed pore of polyurethane foam; Increase its porosity, improve tension, the bend resistance performance of nickel foam, to satisfy the battery production demand.
(4) description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is with equipment of the present invention and the continuous nickel foam of producing of the pretreated polyurethane foam of technology and the performance comparison figure of conventional nickel foam.
Among the figure, 1 unwinding rack, 2 oxidation dissolution grooves, 3 reservoirs, 4 axis of guides; 5 recycle pumps, 6 oxidation dissolution solution, 7 extrusion rolls, 8 adjustable forcing screws, 9 reducing baths; 10 reducing solutions, 11 pre-treatment transmission systems, 12 one-level rinse baths, 13 secondary rinse baths; 14 extruding stem drying systems, 15 far infrared baking ovens, 16 guipures, 17 rolling-up mechanisms.
(5) embodiment
Accompanying drawing is a kind of specific embodiment of the present invention.
The continuous pre-processing device of this polyurethane foam; Comprise the oxidation dissolution groove 2, reducing bath 9, one-level rinse bath 12, secondary rinse bath 13, extruding stem drying system 14 and the drying shaping device that from left to right connect successively; Oxidation dissolution groove 2 left sides are provided with unwinding rack 1; The drying shaping device right side is provided with rolling-up mechanism 17, and oxidation dissolution groove 2 is respectively equipped with reservoir 3 and recycle pump 5 with reducing bath 9 belows, and one-level rinse bath 12 belows are provided with pre-treatment transmission system 11; Be separately installed with the multistage axis of guide 4 in oxidation dissolution groove 2, reducing bath 9, one-level rinse bath 12 and the secondary rinse bath 13; Between oxidation dissolution groove 2 and the reducing bath 9, between reducing bath 9 and the one-level rinse bath 12, between one-level rinse bath 12 and the secondary rinse bath 13, be respectively equipped with extrusion roll 7 between secondary rinse bath 13 and the extruding stem drying system 14, extrusion roll 7 is provided with adjustable forcing screw 8.
Oxidation dissolution groove 2 is processed by PP or PVC material with reducing bath 9, and at one of which end feed liquor, the other end leaves riser, so that keep level stability; Oxidation dissolution groove 2 is placed with reservoir 3 respectively and is equipped with recycle pump 5 with reducing bath 9 belows, is used for oxidation dissolution solution 6 and adds with control of reducing solution 10 liquid levels and solution.One-level rinse bath 12 is processed by PP or PVC material with secondary rinse bath 13.The axis of guide 4 materials are acid-alkali-corrosive-resisting, antioxidant material; The axis of guide 4 diameters are 100mm～200mm; Be inlaid with bearing respectively on the front and back inwall of oxidation dissolution groove 2, reducing bath 9, one-level rinse bath 12 and secondary rinse bath 13, the two end supports of the axis of guide 4 is rotated flexibly on bearing; Resistance is little, rotates with the polyurethane foam silk floss.
Extruding stem drying system 14 is made up of 3～8 grade stainless steel pair rollers; Be preferably 4～6 grades, two rollers about the stainless steel pair roller comprises or up and down, roller diameter is 100～200mm; Adjust the gap between two rollers; The polyurethane foam silk floss passes through step by step, and wherein the branch that absorbs water press dry gradually, reaches back drying, reforming requirement.
Drying shaping device is temperature automatically controlled far infrared baking oven 15, and its type of drive is guipure 16 transmissions, and the polyurethane foam silk floss is positioned over and passes through far infrared baking oven 15 on the guipure 16, reaches the purpose of drying, reforming.
Far infrared baking oven 15 temperature are 40～90 ℃, are preferably 60～80 ℃; The speed of pre-treatment transmission system 11 is 10～150m/h, is preferably 50～120m/h.
Use the continuous pretreatment technology of polyurethane foam of the continuous pre-processing device of this polyurethane foam, adopt following steps:
(a) open the recycle pump 5 of oxidation dissolution groove 2 and the recycle pump 5 of reducing bath 9, make oxidation dissolution solution 6 in the oxidation dissolution groove 2 reach the processing liquid level of processing requirement with reducing solutions 10 in the reducing bath 9 after, flow out via riser; Open far infrared baking oven 15, begin heating; When far infrared baking oven 15 reaches 40～90 ℃; Open pre-treatment transmission system 11; The polyurethane foam that is placed on the unwinding rack 1 is continuous, and first axis of guide 4 belows lay out through oxidation dissolution groove 2 in, and second axis of guide 4 top of warp are around to the 3rd axis of guide 4 belows again; By that analogy, be serpentine and walk around the axis of guide 4 in the oxidation dissolution groove 2;
(b) the polyurethane foam silk floss comes out to extrusion roll 7 from oxidation dissolution groove 2; Get into reducing bath 9 through extrusion roll 7; Adjust adjustable forcing screw 8, extrusion roll 7 can be extracted the polyurethane foam silk floss, polyurethane foam continuous during through reducing bath 9 around the axle mode with the serpentine of oxidation dissolution groove 2 around the axle mode;
(c) the polyurethane foam silk floss comes out through reducing bath 9, gets into one-level rinse bath 12, secondary rinse bath 13 successively, cleans around the axle mode with identical serpentine, gets into extruding stem drying system 14 subsequently;
(d) the polyurethane foam silk floss passes through in the middle of the multistage stainless steel pair roller, and the moisture in the polyurethane foam silk floss is pushed out, and after multistage extruding, the micro-moisture that contains in the polyurethane foam silk floss is dried setting through far infrared baking oven 15 again;
(e) the polyurethane foam silk floss through extruding arrives far infrared baking oven 15 again, and drying, reforming is accomplished a whole set of pretreatment technology after guipure 16 transmissions arrive rolling-up mechanism 17 rollings.
Oxidation dissolution solution 6 has one or more the mixing solutions in the material of oxidisability for potassium permanganate solution, potassium bichromate solution, sulphuric acid soln, salpeter solution or other; The mixing solutions of preferred potassium permanganate solution and sulphuric acid soln; Wherein the concentration of potassium permanganate solution can be 2～100g/L; Be preferably 2～20g/L, more preferably 3～15g/L; The concentration of sulphuric acid soln can be 2～80ml/L, is preferably 3～25ml/L, more preferably 4～18ml/L.
Reducing solution 10 comprises sulphuric acid soln, comprises that also sodium oxalate solution, hydrogen peroxide solution or other have one or more the mixing solutions in the material of reductibility.The concentration of sulphuric acid soln can be 1～90ml/L, is preferably 8～30ml/L; The concentration of sodium oxalate solution can be 1～80g/L, is preferably 3～20g/L; The concentration of hydrogen peroxide solution can be 5～100ml/L, is preferably 10～40ml/L.
The continuous pretreatment technology of polyurethane foam of the present invention comprises that oxidation dissolution → reduction → one-level cleaning → secondary cleaning → moisture extruding → drying, reforming and accessory circulate, driving control system.
Practical implementation:
Embodiment 1:
Polyurethane foam is continuous: 1.8mm is thick, 110PPI;
Oxidation dissolution solution process parameter:
Potassium permanganate 4g/L
Sulfuric acid 5ml/L
The temperature room temperature
The reducing solution processing parameter:
Sodium oxalate 6g/L
Ydrogen peroxide 50 (27.5%) 20ml/L
Sulfuric acid 15ml/L
The temperature room temperature
The drying, reforming temperature is set 70 ℃
Pre-treating speed 90m/h
Effect is seen Fig. 2.
Embodiment 2:
Polyurethane foam is continuous: 1.8mm is thick, 110PPI;
Oxidation dissolution solution process parameter:
Potassium permanganate 6g/L
Sulfuric acid 7ml/L
The temperature room temperature
The reducing solution processing parameter:
Sodium oxalate 8g/L
Ydrogen peroxide 50 (27.5%) 25ml/L
Sulfuric acid 18ml/L
The temperature room temperature
The drying, reforming temperature is set 70 ℃
Pre-treating speed 95m/h
Effect is seen Fig. 2.
Embodiment 3:
Polyurethane foam is continuous: 1.8mm is thick, 110PPI;
Oxidation dissolution solution process parameter:
Potassium permanganate 8g/L
Sulfuric acid 10ml/L
The temperature room temperature
The reducing solution processing parameter:
Sodium oxalate 10g/L
Ydrogen peroxide 50 (27.5%) 30ml/L
Sulfuric acid 20ml/L
The temperature room temperature
The drying, reforming temperature is set 75 ℃
Pre-treating speed 100m/h
Effect is seen Fig. 2.
The present invention overcome original technology on the continuous matrix of polyurethane foam directly conductionization processing to the influence and the deficiency of subsequent handling; Can successfully remove surperficial breakpoint is transformed into useless nickel crystallization in the middle of the practical coating; Make between the three-dimensional apertures and to connect fiber coating and thicken; Fiber increases slightly, improves tension, the bend resistance performance of nickel foam, to satisfy the battery production demand.
Claims (9)
1. the continuous pre-processing device of a polyurethane foam; It is characterized in that: comprise the oxidation dissolution groove (2), reducing bath (9), one-level rinse bath (12), secondary rinse bath (13), extruding stem drying system (14) and the drying shaping device that from left to right connect successively; Oxidation dissolution groove (2) left side is provided with unwinding rack (1); The drying shaping device right side is provided with rolling-up mechanism (17); Oxidation dissolution groove (2) and reducing bath (9) below are respectively equipped with reservoir (3) and recycle pump (5), and one-level rinse bath (12) below is provided with pre-treatment transmission system (11); Be separately installed with the multistage axis of guide (4) in oxidation dissolution groove (2), reducing bath (9), one-level rinse bath (12) and the secondary rinse bath (13); Between oxidation dissolution groove (2) and the reducing bath (9), between reducing bath (9) and the one-level rinse bath (12), between one-level rinse bath (12) and the secondary rinse bath (13), be respectively equipped with extrusion roll (7) between secondary rinse bath (13) and the extruding stem drying system (14), extrusion roll (7) is provided with adjustable forcing screw (8).
2. the continuous pre-processing device of polyurethane foam according to claim 1; It is characterized in that: the axis of guide (4) material is acid-alkali-corrosive-resisting, antioxidant material; The axis of guide (4) diameter is 100mm～200mm; Be inlaid with bearing respectively on the front and back inwall of oxidation dissolution groove (2), reducing bath (9), one-level rinse bath (12) and secondary rinse bath (13), the two end supports of the axis of guide (4) is on bearing.
3. the continuous pre-processing device of polyurethane foam according to claim 1, it is characterized in that: extruding stem drying system (14) is made up of the multistage stainless steel pair roller, two rollers about the stainless steel pair roller comprises or up and down, roller diameter is 100～200mm.
4. the continuous pre-processing device of polyurethane foam according to claim 1, it is characterized in that: drying shaping device is temperature automatically controlled far infrared baking oven (15), its type of drive is guipure (16) transmission.
5. the continuous pre-processing device of polyurethane foam according to claim 1, it is characterized in that: far infrared baking oven (15) temperature is 40～90 ℃; The speed of pre-treatment transmission system (11) is 10～150m/h.
6. the continuous pretreatment technology of polyurethane foam that uses the continuous pre-processing device of the described polyurethane foam of claim 1 is characterized in that: comprise the steps:
(a) open the recycle pump (5) of oxidation dissolution groove (2) and the recycle pump (5) of reducing bath (9); After making interior oxidation dissolution solution (6) of oxidation dissolution groove (2) and the reducing solution (10) in the reducing bath (9) reach the processing liquid level, flow out via riser; Open far infrared baking oven (15), begin heating; When far infrared baking oven (15) reaches 40～90 ℃, open pre-treatment transmission system (11), the polyurethane foam that is placed on the unwinding rack (1) is continuous, is serpentine and walks around the axis of guide (4) in the oxidation dissolution groove (2);
(b) the polyurethane foam silk floss comes out to extrusion roll (7) from oxidation dissolution groove (2); Get into reducing bath (9) through extrusion roll (7); Adjust adjustable forcing screw (8); Extrusion roll (7) is extracted the polyurethane foam silk floss, polyurethane foam continuous during through reducing bath (9) around the axle mode with the serpentine of oxidation dissolution groove (2) around the axle mode;
(c) the polyurethane foam silk floss comes out through reducing bath (9), gets into one-level rinse bath (12), secondary rinse bath (13) successively, with cleaning around the axle mode of serpentine, gets into extruding stem drying system (14) subsequently;
(d) the polyurethane foam silk floss passes through in the middle of the multistage stainless steel pair roller, through multistage extruding the moisture in the polyurethane foam silk floss is pushed out;
(e) the polyurethane foam silk floss through extruding arrives far infrared baking oven (15) again, and drying, reforming is accomplished a whole set of pretreatment technology after guipure (16) transmission arrives rolling-up mechanism (17) rolling.
7. the continuous pretreatment technology of polyurethane foam according to claim 6 is characterized in that: oxidation dissolution solution (6) is one or more the mixing solutions in potassium permanganate solution, potassium bichromate solution, sulphuric acid soln or the salpeter solution.
8. the continuous pretreatment technology of polyurethane foam according to claim 7; It is characterized in that: oxidation dissolution solution (6) is the mixing solutions of potassium permanganate solution and sulphuric acid soln; Wherein the concentration of potassium permanganate solution is 2～100g/L, and the concentration of sulphuric acid soln is 2～80ml/L.
9. the continuous pretreatment technology of polyurethane foam according to claim 6; It is characterized in that: reducing solution (10) comprises sulphuric acid soln; Also comprise sodium oxalate solution and/or hydrogen peroxide solution; Wherein the concentration of sulphuric acid soln is 1～90ml/L, and the concentration of sodium oxalate solution is 1～80g/L, and the concentration of hydrogen peroxide solution is 5～100ml/L.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110434840.5A CN102517613B (en) | 2011-12-22 | 2011-12-22 | Polyurethane foamed sponge pretreatment equipment and technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110434840.5A CN102517613B (en) | 2011-12-22 | 2011-12-22 | Polyurethane foamed sponge pretreatment equipment and technology |
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| CN102517613A true CN102517613A (en) | 2012-06-27 |
| CN102517613B CN102517613B (en) | 2014-05-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103695968A (en) * | 2013-12-30 | 2014-04-02 | 菏泽天宇科技开发有限责任公司 | Production process capable of improving consistency of foamed nickel and used base material pretreatment device |
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| CN102517613B (en) | 2014-05-21 |
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