阅读说明：本技术 一种超大规格吸气板材的制备方法 (Preparation method of super-large-specification air suction plate ) 是由 鲁涛 于 2019-10-16 设计创作，主要内容包括：本发明公布了一种超大规格吸气板材的制备方法,所述方法包括如下步骤：将吸气合金中的原料按一定比例进行配制,通过熔炼的方法制备成合金,然后对合金在保护气氛下进行破碎和球磨,获得300目~80目的吸气合金粉末；用上述吸气合金粉末与0.01~2%(质量分数)硬脂酸混合均匀形成混合粉末；将上述混合粉末中添加1~5%(质量分数)的无水乙醇,并使其混合均匀；将上述混合粉末在室温下放入轧机中进行轧制形成轧制板；在真空度为3~5×10<Sup>-3 </Sup>Pa的真空环境下,对轧板进行真空烧结,即可得到超大规格吸气板材。本发明纸杯的吸气材料具有厚度均匀、孔隙分布均匀以及生产成本低等特点。(The invention discloses a preparation method of an oversized getter plate, which comprises the following steps of preparing raw materials in a getter alloy according to a certain proportion, preparing the raw materials into an alloy by a smelting method, crushing and ball-milling the alloy in a protective atmosphere to obtain getter alloy powder of 300 meshes and ~ 80 meshes, uniformly mixing the getter alloy powder with 0.01 ~ 2 mass percent of stearic acid to form mixed powder, and adding 1 ~ 5 mass percent of absolute ethyl alcohol into the mixed powderMixing the powders, rolling at room temperature in a rolling mill to obtain rolled plate with vacuum degree of 3 ~ 5 × 10 ‑3 And (3) carrying out vacuum sintering on the rolled plate in a Pa vacuum environment to obtain the super-large-specification air suction plate. The air suction material of the paper cup has the characteristics of uniform thickness, uniform pore distribution, low production cost and the like.)

1. A preparation method of an oversized air suction plate is characterized by comprising the following steps:

1) preparing raw materials in the getter alloy according to a certain proportion, preparing the getter alloy into an alloy by a smelting method, and then crushing and ball-milling the alloy in a protective atmosphere to obtain getter alloy powder of 300 meshes and ~ 80 meshes;

2) the getter alloy powder is uniformly mixed with 0.01 ~ 2% (mass fraction) of stearic acid to form mixed powder;

3) adding 1 ~ 5% (mass fraction) anhydrous ethanol into the above mixed powder, and mixing;

4) putting the mixed powder into a rolling mill at room temperature for rolling to form a rolled plate;

4) at a vacuum degree of 3 ~ 5X 10^-3And (3) carrying out vacuum sintering on the rolled plate in a Pa vacuum environment to obtain the super-large-specification air suction plate.

2. The method for preparing the ultra-large-specification air suction plate as claimed in claim 1, wherein the method comprises the following steps: the kinds of the alloy include:

a) Zr-Al alloy, Zr-Al-RE alloy, Zr-Al-TE-RE alloy, wherein TE comprises transition group elements of Ti, Fe, Co, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

b) Zr-C alloy, Zr-C-RE alloy, Zr-C-TE-RE alloy, wherein TE comprises transition group elements of Ti, Fe, Co, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

c) Zr-V-Fe alloy, Zr-V-Fe-RE alloy, Zr-V-Fe-TE alloy, Zr-V-Fe-RE-TE alloy, wherein TE comprises transition elements of Ti, Co, Ni, Mn, Pd, Ru, Pt, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

d) Zr-Co alloy, Zr-Co-RE alloy, Zr-Co-TE alloy, Zr-Co-RE-TE alloy, wherein TE comprises transition group elements of Ti, Fe, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

e) Ti-Mo alloy, Ti-Mo-RE alloy, Ti-Mo-TE alloy, Ti-Mo-RE-TE alloy, wherein TE comprises transition group elements of Zr, Fe, Co, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

f) Ti-Zr-V alloy, Ti-Zr-V-RE alloy, Ti-Zr-V-TE-RE alloy, wherein TE comprises transition group elements of Fe, Co, Ni, Mn, Pd, Ru, Pt, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

g) Zr-Co-Re (rhenium) alloy, Zr-Co-Re-RE-TE alloy, wherein TE comprises transition elements of Ti, Fe, Co, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Os and Ir.

3. The method for preparing the ultra-large-specification air suction plate as claimed in claim 2, wherein the method comprises the following steps: and RE is rare earth elements Y, Sc, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu.

4. The method for preparing the super-large-specification suction plate as claimed in claim 1, wherein the rolling pressure of the rolling mill is 10 ~ 120 kN, the rolling speed is 1 ~ 5 m/min, and the roll gap is 1 ~ 4 mm.

5. The method for preparing the ultra-large-specification air suction plate as claimed in claim 1, wherein the method comprises the following steps: the sintering process of the rolled plate is to keep the temperature at 900-1030 ℃ for 0.2-2 h.

Technical Field

The invention relates to the field of refrigerated containers of ships in the refrigeration industry, in particular to a preparation method of an oversized air suction plate.

Background

Environmental protection and energy conservation are two development topics on the premise of the current economic development of the world. Vacuum heat insulation plates are widely developed and applied in recent years as novel energy-saving materials. The development of the vacuum heat insulation plate with the ultra-large specification requires the ultra-large specification vacuum air suction plate to absorb residual gas in the heat insulation plate, so that the purpose of vacuum heat insulation is achieved. Such as a novel vacuum air suction plate used in a vacuum insulation plate of a refrigerated container of a ship.

The industrial quick-cooling container is an indispensable transportation carrier for sea transportation due to its economy and convenience, and the energy saving problem of the refrigerated container is increasingly emphasized with the expansion of the application scale of the refrigerated container. The vacuum insulation panel has potential application prospect in the ship refrigeration container due to the ultralow thermal conductivity, and the stability of the getter material arranged in the vacuum insulation panel is very critical.

In the refrigeration transportation, along with the change of the ambient temperature, the core material of the vacuum insulation panel releases gas and influences the internal vacuum degree, and a gas suction plate is required to absorb the gas components released by the core material of the vacuum insulation panel in the running environment of the refrigerated container of the ship so as to maintain the good vacuum degree of the core material of the vacuum insulation panel and ensure the good heat insulation performance of the vacuum insulation panel. Because the vacuum heat-insulating plate has a large area size and belongs to the industrial grade, the traditional small-sized block getter is difficult to meet the shape requirements of the industrial vacuum heat-insulating plate on large size and over specification.

Disclosure of Invention

The invention aims to provide a preparation method of an ultra-large-specification air suction plate which can be produced in batch.

The purpose of the invention is realized as follows: the preparation method of the super-large-specification air suction plate is carried out according to the following steps:

1) preparing raw materials in the getter alloy according to a certain proportion, preparing the getter alloy into an alloy by a smelting method, and then crushing and ball-milling the alloy in a protective atmosphere to obtain getter alloy powder of 300 meshes and ~ 80 meshes;

2) the getter alloy powder is uniformly mixed with 0.01 ~ 2% (mass fraction) of stearic acid to form mixed powder;

3) adding 1 ~ 5% (mass fraction) anhydrous ethanol into the above mixed powder, and mixing;

4) putting the mixed powder into a rolling mill at room temperature for rolling to form a rolled plate;

5) and (3) carrying out vacuum sintering on the rolled plate under the vacuum environment with the vacuum degree of 3 ~ 5 multiplied by 10 < -3 > Pa to obtain the super-large-specification air suction plate.

As a preferable aspect of the present invention, the kinds of the alloy include:

a) Zr-Al alloy, Zr-Al-RE alloy, Zr-Al-TE-RE alloy, wherein TE comprises transition group elements of Ti, Fe, Co, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

b) Zr-C alloy, Zr-C-RE alloy, Zr-C-TE-RE alloy, wherein TE comprises transition group elements of Ti, Fe, Co, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

c) Zr-V-Fe alloy, Zr-V-Fe-RE alloy, Zr-V-Fe-TE alloy, Zr-V-Fe-RE-TE alloy, wherein TE comprises transition elements of Ti, Co, Ni, Mn, Pd, Ru, Pt, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

d) Zr-Co alloy, Zr-Co-RE alloy, Zr-Co-TE alloy, Zr-Co-RE-TE alloy, wherein TE comprises transition group elements of Ti, Fe, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

e) Ti-Mo alloy, Ti-Mo-RE alloy, Ti-Mo-TE alloy, Ti-Mo-RE-TE alloy, wherein TE comprises transition group elements of Zr, Fe, Co, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

f) Ti-Zr-V alloy, Ti-Zr-V-RE alloy, Ti-Zr-V-TE-RE alloy, wherein TE comprises transition group elements of Fe, Co, Ni, Mn, Pd, Ru, Pt, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

g) Zr-Co-Re (rhenium) alloy, Zr-Co-Re-RE-TE alloy; wherein TE comprises transition elements of Ti, Fe, Co, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Os and Ir.

As a further preferred scheme of the utility model, RE comprises rare earth elements Y, Sc, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu.

As a further preferred scheme of the utility model, the rolling pressure of rolling mill 10 ~ 120 kN, rolling speed are 1 ~ 5 m/min, the roll gap is 1 ~ 4 mm.

As a further preferred scheme of the utility model, the sintering process of the rolled plate is heat preservation for 0.2-2 h at 900-1030 ℃.

Compared with the prior art, the utility model discloses an useful part lies in: the method can continuously and stably produce the plate-shaped air suction material, and the air suction material rolled by the method has the characteristics of uniform thickness, uniform pore distribution, low production cost and the like.

Drawings

FIG. 1 is a schematic view of rolling and sintering of an oversized getter material.

Wherein 1 mixing powder, 2 rolling mill, 3 suction plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The preparation method of the super-large-specification air suction plate is carried out according to the following steps:

1) preparing raw materials in the getter alloy according to a certain proportion, preparing the getter alloy into an alloy by a smelting method, and then crushing and ball-milling the alloy in a protective atmosphere to obtain getter alloy powder of 300 meshes and ~ 80 meshes;

2) the getter alloy powder is uniformly mixed with 0.01 ~ 2% (mass fraction) of stearic acid to form mixed powder;

3) adding 1 ~ 5% (mass fraction) anhydrous ethanol into the above mixed powder, and mixing;

4) putting the mixed powder into a rolling mill at room temperature for rolling to form a rolled plate;

5) and (3) carrying out vacuum sintering on the rolled plate under the vacuum environment with the vacuum degree of 3 ~ 5 multiplied by 10 < -3 > Pa to obtain the super-large-specification air suction plate.

The kinds of the above alloys include:

a) Zr-Al alloy, Zr-Al-RE alloy, Zr-Al-TE-RE alloy, wherein TE comprises transition group elements of Ti, Fe, Co, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

b) Zr-C alloy, Zr-C-RE alloy, Zr-C-TE-RE alloy, wherein TE comprises transition group elements of Ti, Fe, Co, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

c) Zr-V-Fe alloy, Zr-V-Fe-RE alloy, Zr-V-Fe-TE alloy, Zr-V-Fe-RE-TE alloy, wherein TE comprises transition elements of Ti, Co, Ni, Mn, Pd, Ru, Pt, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

d) Zr-Co alloy, Zr-Co-RE alloy, Zr-Co-TE alloy, Zr-Co-RE-TE alloy, wherein TE comprises transition group elements of Ti, Fe, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

e) Ti-Mo alloy, Ti-Mo-RE alloy, Ti-Mo-TE alloy, Ti-Mo-RE-TE alloy, wherein TE comprises transition group elements of Zr, Fe, Co, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

f) Ti-Zr-V alloy, Ti-Zr-V-RE alloy, Ti-Zr-V-TE-RE alloy, wherein TE comprises transition group elements of Fe, Co, Ni, Mn, Pd, Ru, Pt, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Re, Os and Ir;

g) Zr-Co-Re (rhenium) alloy, Zr-Co-Re-RE-TE alloy, wherein TE comprises transition elements of Ti, Fe, Co, Ni, Mn, Pd, Ru, Pt, V, Cr, Nb, Mo, Tc, Rh, Hf, Ta, W, Os and Ir.

The RE comprises rare earth elements of Y, Sc, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu.

The rolling pressure of the rolling mill is 10 ~ 120 kN, the rolling speed is 1 ~ 5 m/min, and the roll gap is 1 ~ 4 mm.

The sintering process of the rolled plate is to keep the temperature at 900-1030 ℃ for 0.2-2 h.