CN102517613B - Polyurethane foamed sponge pretreatment equipment and technology - Google Patents
Polyurethane foamed sponge pretreatment equipment and technology Download PDFInfo
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- CN102517613B CN102517613B CN201110434840.5A CN201110434840A CN102517613B CN 102517613 B CN102517613 B CN 102517613B CN 201110434840 A CN201110434840 A CN 201110434840A CN 102517613 B CN102517613 B CN 102517613B
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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, particularly a kind of polyurethane foamed sponge pretreatment equipment and technique.
(2) background technology
In nickel foam production process, because the continuous matrix of bubble is the flexible strip being obtained by the rotary-cut of bulb sponge block shape product, in rotary-cut process, it is cut that the foam block matrix of tridimensional network has part tie point, forms breakpoint, these breakpoints in electroplating process due to point discharge effect preferential deposition plated metal, in the situation that area density is certain, the coating attenuation of the connection fiber between three-dimension hole, causes nickel foam product performance to decline, low cross-intensity.
(3) summary of the invention
The present invention, in order to make up the deficiencies in the prior art, provides a kind of porosity, the tension that improves nickel foam, polyurethane foamed sponge pretreatment equipment and technique of bend resistance performance of increasing.
The present invention is achieved through the following technical solutions:
A kind of polyurethane foamed sponge pretreatment equipment, 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, drying shaping device right side is provided with rolling-up mechanism, oxidation dissolution groove and reducing bath below are respectively equipped with reservoir and recycle pump, and one-level rinse bath below is provided with pre-treatment transmission system; In oxidation dissolution groove, reducing bath, one-level rinse bath and secondary rinse bath, be separately installed with the multistage axis of guide, between oxidation dissolution groove and reducing bath, between reducing bath and one-level rinse bath, between one-level rinse bath and secondary rinse bath, be respectively equipped with extrusion roll between secondary rinse bath and extruding stem drying system, extrusion roll is provided with adjustable forcing screw.
Axis of guide material is acid-alkali-corrosive-resisting, resistance to oxidation material, and axis of guide diameter is 100mm～200mm, on the front and back inwall of oxidation dissolution groove, reducing bath, one-level rinse bath and secondary rinse bath, is inlaid with respectively bearing, and the two end supports of the axis of guide is on bearing.
Extruding stem drying system is made up of multistage stainless steel pair roller, and stainless steel pair roller comprises left and right or upper and lower two rollers, and roller diameter is 100～200mm.
Drying shaping device is temperature automatically controlled far-infrared baking oven, and its type of drive is guipure transmission.
Far-infrared baking oven temperature is 40～90 ℃; The speed of pre-treatment transmission system is 10～150m/h.
The polyurethane foam pretreatment technology that uses this polyurethane foamed sponge pretreatment equipment, is characterized in that: comprise the steps:
(a) open the recycle pump of oxidation dissolution groove and the recycle pump of reducing bath, the reducing solution in oxidation dissolution solution and the reducing bath in oxidation dissolution groove is reached after processing liquid level, flow out via overflow port; Open far-infrared baking oven, start heating; In the time that far-infrared baking oven reaches 40～90 ℃, open pre-treatment transmission system, be placed on the polyurethane foam on unwinding rack, be serpentine and walk around the axis of guide in oxidation dissolution groove;
(b) polyurethane foam comes out to extrusion roll from oxidation dissolution groove, enter reducing bath through extrusion roll, adjust adjustable forcing screw, extrusion roll extracted polyurethane foam, polyurethane foam when the reducing bath around axle mode with the serpentine of oxidation dissolution groove around axle mode;
(c) polyurethane foam through reducing bath out, enters one-level rinse bath, secondary rinse bath successively, with cleaning around axle mode of serpentine, enters subsequently extruding stem drying system;
(d) polyurethane foam passes through in the middle of multistage stainless steel pair roller, through multistage extruding, the moisture in polyurethane foam is squeezed out;
(e) arrive again far-infrared baking oven through the polyurethane foam of extruding, after drying, reforming, through guipure transmission, arrive rolling-up mechanism rolling, complete a whole set of pretreatment technology.
Oxidation dissolution solution is one or more the mixing solutions in potassium permanganate solution, potassium bichromate solution, sulphuric acid soln or 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 polyurethane foamed sponge pretreatment equipment of the present invention and technique is: the broken end on polyurethane foam top layer can be partly dissolved, connection fibrous refinement, surfaceness between three-dimension hole increase, its coating is thickened, fiber increases thick, get through the closed pore of polyurethane foam inside, increase its porosity, improve tension, the bend resistance performance of nickel foam, to meet battery production demand.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is structural representation of the present invention;
Fig. 2 is with equipment of the present invention and the nickel foam of the pretreated polyurethane foam production of technique and the performance comparison figure of conventional nickel foam.
In 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.
This polyurethane foamed sponge pretreatment equipment, 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, drying shaping device right side is provided with rolling-up mechanism 17, oxidation dissolution groove 2 and reducing bath 9 belows are respectively equipped with reservoir 3 and recycle pump 5, and one-level rinse bath 12 belows are provided with pre-treatment transmission system 11; In oxidation dissolution groove 2, reducing bath 9, one-level rinse bath 12 and secondary rinse bath 13, be separately installed with the multistage axis of guide 4, between oxidation dissolution groove 2 and reducing bath 9, between reducing bath 9 and one-level rinse bath 12, between one-level rinse bath 12 and secondary rinse bath 13, be respectively equipped with extrusion roll 7 between secondary rinse bath 13 and extruding stem drying system 14, extrusion roll 7 is provided with adjustable forcing screw 8.
Oxidation dissolution groove 2 and reducing bath 9 are made by PP or PVC material, and at its one end feed liquor, the other end leaves overflow port, to keep level stability; Oxidation dissolution groove 2 and reducing bath 9 belows are placed with respectively reservoir 3 and are equipped with recycle pump 5, add for oxidation dissolution solution 6 and reducing solution 10 liquid level controls and solution.One-level rinse bath 12 and secondary rinse bath 13 are made by PP or PVC material.The axis of guide 4 materials are acid-alkali-corrosive-resisting, resistance to oxidation material, the axis of guide 4 diameters are 100mm～200mm, on the front and back inwall of oxidation dissolution groove 2, reducing bath 9, one-level rinse bath 12 and secondary rinse bath 13, be inlaid with respectively bearing, the two end supports of the axis of guide 4 is on bearing, rotate flexibly, resistance is little, rotates with polyurethane foam.
Extruding stem drying system 14 is made up of 3～8 grade stainless steel pair rollers, be preferably 4～6 grades, stainless steel pair roller comprises left and right or upper and lower two rollers, roller diameter is 100～200mm, adjust the gap between two rollers, polyurethane foam passes through step by step, will be wherein absorb water point to press dry gradually, reaches drying, reforming requirement below.
Drying shaping device is temperature automatically controlled far-infrared baking oven 15, and its type of drive is guipure 16 transmissions, and polyurethane foam is positioned on guipure 16 and passes through far-infrared baking oven 15, reaches the object 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 polyurethane foam pretreatment technology of this polyurethane foamed sponge pretreatment equipment, adopt following steps:
(a) open the recycle pump 5 of oxidation dissolution groove 2 and the recycle pump 5 of reducing bath 9, the reducing solution 10 in oxidation dissolution solution 6 and the reducing bath 9 in oxidation dissolution groove 2 is reached after the processing liquid level of processing requirement, flow out via overflow port; Open far-infrared baking oven 15, start heating; In the time that far-infrared baking oven 15 reaches 40～90 ℃, open pre-treatment transmission system 11, be placed on the polyurethane foam on unwinding rack 1, in oxidation dissolution groove 2, first axis of guide 4 belows lay out, again through second axis of guide 4 top around to the 3rd axis of guide 4 belows, by that analogy, be serpentine and walk around the axis of guide 4 in oxidation dissolution groove 2;
(b) polyurethane foam comes out to extrusion roll 7 from oxidation dissolution groove 2, enter reducing bath 9 through extrusion roll 7, adjust adjustable forcing screw 8, extrusion roll 7 can be extracted polyurethane foam, polyurethane foam when the reducing bath 9 around axle mode with the serpentine of oxidation dissolution groove 2 around axle mode;
(c) polyurethane foam through reducing bath 9 out, enters one-level rinse bath 12, secondary rinse bath 13 successively, cleans around axle mode with identical serpentine, enters subsequently extruding stem drying system 14;
(d) polyurethane foam passes through in the middle of multistage stainless steel pair roller, and the moisture in polyurethane foam is squeezed out, and after multistage extruding, the micro-moisture containing in polyurethane foam is dried setting through far-infrared baking oven 15 again;
(e) arrive again far-infrared baking oven 15 through the polyurethane foam of extruding, after drying, reforming, through guipure 16 transmissions, arrive rolling-up mechanism 17 rollings, complete a whole set of pretreatment technology.
Reducing solution 10 comprises sulphuric acid soln, also comprises that 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.
Polyurethane foam pretreatment technology of the present invention comprises oxidation dissolution → reduction → one-level cleaning → secondary cleaning → moisture extruding → drying, reforming and attached circulation, driving control system.
Concrete enforcement:
Embodiment 1:
Polyurethane foam: 1.8mm is thick, 110PPI;
Oxidation dissolution solution process parameter:
Potassium permanganate 4g/L
Sulfuric acid 5ml/L
Temperature room temperature
Reducing solution processing parameter:
Sodium oxalate 6g/L
Hydrogen peroxide (27.5%) 20ml/L
Sulfuric acid 15ml/L
Temperature room temperature
70 ℃ of drying, reforming Temperature Settings
Pre-treating speed 90m/h
Effect is shown in Fig. 2.
Embodiment 2:
Polyurethane foam: 1.8mm is thick, 110PPI;
Oxidation dissolution solution process parameter:
Potassium permanganate 6g/L
Sulfuric acid 7ml/L
Temperature room temperature
Reducing solution processing parameter:
Sodium oxalate 8g/L
Hydrogen peroxide (27.5%) 25ml/L
Sulfuric acid 18ml/L
Temperature room temperature
70 ℃ of drying, reforming Temperature Settings
Pre-treating speed 95m/h
Effect is shown in Fig. 2.
Embodiment 3:
Polyurethane foam: 1.8mm is thick, 110PPI;
Oxidation dissolution solution process parameter:
Potassium permanganate 8g/L
Sulfuric acid 10ml/L
Temperature room temperature
Reducing solution processing parameter:
Sodium oxalate 10g/L
Hydrogen peroxide (27.5%) 30ml/L
Sulfuric acid 20ml/L
Temperature room temperature
75 ℃ of drying, reforming Temperature Settings
Pre-treating speed 100m/h
Effect is shown in Fig. 2.
The present invention overcomes original technique direct conductionization on polyurethane foam matrix and processes the impact of subsequent handling with not enough, can successfully remove surperficial breakpoint arrives useless nickel crystallization conversion in the middle of practical coating, making to connect fiber coating between three-dimension hole thickens, fiber increases thick, improve tension, the bend resistance performance of nickel foam, to meet battery production demand.
Claims (9)
1. a polyurethane foamed sponge pretreatment equipment, 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), 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); In oxidation dissolution groove (2), reducing bath (9), one-level rinse bath (12) and secondary rinse bath (13), be separately installed with the multistage axis of guide (4), between oxidation dissolution groove (2) and reducing bath (9), between reducing bath (9) and one-level rinse bath (12), between one-level rinse bath (12) and secondary rinse bath (13), be respectively equipped with extrusion roll (7) between secondary rinse bath (13) and extruding stem drying system (14), extrusion roll (7) is provided with adjustable forcing screw (8).
2. polyurethane foamed sponge pretreatment equipment according to claim 1, it is characterized in that: the axis of guide (4) material is acid-alkali-corrosive-resisting, resistance to oxidation material, the axis of guide (4) diameter is 100mm～200mm, on the front and back inwall of oxidation dissolution groove (2), reducing bath (9), one-level rinse bath (12) and secondary rinse bath (13), be inlaid with respectively bearing, the two end supports of the axis of guide (4) is on bearing.
3. polyurethane foamed sponge pretreatment equipment according to claim 1, is characterized in that: extruding stem drying system (14) is made up of multistage stainless steel pair roller, and stainless steel pair roller comprises left and right or upper and lower two rollers, and roller diameter is 100～200mm.
4. polyurethane foamed sponge pretreatment equipment according to claim 1, is characterized in that: drying shaping device is temperature automatically controlled far-infrared baking oven (15), and its type of drive is guipure (16) transmission.
5. polyurethane foamed sponge pretreatment equipment according to claim 1, 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. right to use requires a polyurethane foam pretreatment technology for the polyurethane foamed sponge pretreatment equipment described in 1, it 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), reducing solution (10) in oxidation dissolution solution (6) and reducing bath (9) in oxidation dissolution groove (2) is reached after processing liquid level, flow out via overflow port; Open far-infrared baking oven (15), start heating; In the time that far-infrared baking oven (15) reaches 40～90 ℃, open pre-treatment transmission system (11), be placed on the polyurethane foam on unwinding rack (1), be serpentine and walk around the axis of guide (4) in oxidation dissolution groove (2);
(b) polyurethane foam comes out to extrusion roll (7) from oxidation dissolution groove (2), enter reducing bath (9) through extrusion roll (7), adjust adjustable forcing screw (8), extrusion roll (7) is extracted polyurethane foam, polyurethane foam through reducing bath when (9) around axle mode with the serpentine of oxidation dissolution groove (2) around axle mode;
(c) polyurethane foam through reducing bath (9) out, enters one-level rinse bath (12), secondary rinse bath (13) successively, with cleaning around axle mode of serpentine, enters subsequently extruding stem drying system (14);
(d) polyurethane foam passes through in the middle of multistage stainless steel pair roller, through multistage extruding, the moisture in polyurethane foam is squeezed out;
(e) arrive again far-infrared baking oven (15) through the polyurethane foam of extruding, after drying, reforming, through guipure (16) transmission, arrive rolling-up mechanism (17) rolling, complete a whole set of pretreatment technology.
7. polyurethane foam pretreatment technology 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 salpeter solution.
8. polyurethane foam pretreatment technology 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. polyurethane foam pretreatment technology 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, 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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| CN201110434840.5A CN102517613B (en) | 2011-12-22 | 2011-12-22 | Polyurethane foamed sponge pretreatment equipment and technology |
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| CN102517613A CN102517613A (en) | 2012-06-27 |
| CN102517613B true CN102517613B (en) | 2014-05-21 |
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| CN103695968B (en) * | 2013-12-30 | 2016-05-18 | 菏泽天宇科技开发有限责任公司 | Improve the conforming production technology of nickel foam and base material pretreatment unit used |
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| CN202415711U (en) * | 2011-12-22 | 2012-09-05 | 菏泽天宇科技开发有限责任公司 | Polyurethane foamed plastic pretreating equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100727495B1 (en) * | 2006-06-16 | 2007-06-14 | 한전원자력연료 주식회사 | Automated cleaning equipment and method for the nuclear fuel-cladding tube |
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- 2011-12-22 CN CN201110434840.5A patent/CN102517613B/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| CN1480542A (en) * | 2002-09-02 | 2004-03-10 | 北京有色金属研究总院 | Porous body of composite metal and its preparing method |
| CN1565759A (en) * | 2003-07-10 | 2005-01-19 | 北京金星超声波设备技术有限公司 | Technique and device for chemical cleansing steel wire surface |
| CN2692164Y (en) * | 2003-07-10 | 2005-04-13 | 北京金星超声波设备技术有限公司 | Steel wire surface chemical cleaning production equipment |
| JP2007310078A (en) * | 2006-05-17 | 2007-11-29 | Bridgestone Corp | Oa roller, and method for producing oa roller |
| CN201092628Y (en) * | 2007-07-18 | 2008-07-30 | 常州市东龙合成革厂 | Production facility for polyurethane four-side elastic synthetic leather |
| CN202415711U (en) * | 2011-12-22 | 2012-09-05 | 菏泽天宇科技开发有限责任公司 | Polyurethane foamed plastic pretreating equipment |
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