CN105480522A - Bacteriostatic milk storage tank - Google Patents

Abstract

The present invention discloses a bacteriostatic milk storage tank. The milk storage tank comprises a tank body and an inner container. The inner container is mounted in the inner chamber of the tank body through a support. A gap is formed between the inner container and the tank body. A stirring device is mounted in the inner chamber of the inner container. A sealed feed port is disposed at the upper portion of the tank body. A sealing sleeve is disposed on the central lower part of the sealed feed port. The upper end of the sealing sleeve is provided with a cover, and the lower end of the sealing sleeve is adhered to the lower part of the sealed feed port. The sealing sleeve is of an inner arc circular sleeve structure. A valve is disposed on the inner wall of the central part of the inner arc circular sleeve structure. The valve comprises two opposing semi-crescent sheets. The root of the valve is connected with the inner wall of the sealing sleeve, and the free edge of the valve faces the material flow direction. The milk storage tank mainly solves the problem of easy microorganism breeding, and the sealing performance of the milk storage tank is improved, and fresh milk can be stably stored in the milk storage tank.

Description

A kind of antibacterial container for storing milk

Technical field

The present invention relates to field of pastoral machinery, particularly the antibacterial container for storing milk of one.

Background technology

Along with the development of society, people are for more next higher of the demand of milk product, and fresh milk needs to store fresh milk from the process collecting processing, and the quality of container for storing milk will affect the storage quality of fresh milk, and then the quality of the rear dairy products of impact processing, when traditional container for storing milk stores, because the leak tightness of pipe lid is poor, easy breed bacteria, thus affect the quality of fresh milk, serious then can make fresh milk go bad, serious economic loss is brought to processing factory, and the temperature of container for storing milk due to the external world in the process used is unstable, and fresh milk is adapted at comparatively preserving under low temperature, extraneous temperature is too high, then can affect the preservation of fresh milk, the quality of fresh milk is impacted.

Summary of the invention

Goal of the invention of the present invention is: for above-mentioned Problems existing, provides a kind of antibacterial container for storing milk, mainly solves the problem of container for storing milk easy breed bacteria, improves container for storing milk sealing property simultaneously, makes the preservation that fresh milk can be stable in container for storing milk.

The technical solution used in the present invention is as follows: a kind of antibacterial container for storing milk, comprise tank body, inner bag, the inner chamber of described tank body is provided with inner bag by bearing, gap is left between inner bag and tank body, the inner chamber of described inner bag is provided with mixing device, the top of described tank body is provided with a sealed feed inlet, the middle and lower part of described sealed feed inlet is provided with a sealing shroud, upper end is provided with a lid, the lower end of described sealing shroud is bonded in sealed feed inlet bottom, sealing shroud is arc circle nested structure, the middle part inwall of described arc circle nested structure is provided with a valve, described valve is two half moon thin slices, toward each other, root is connected with sealing shroud inwall, the free edge of valve is towards Flow of Goods and Materials direction.

Further, the thickness of described sealing shroud is 0.5-5mm, bonding with described sealed feed inlet junction aqua type synthetic resin glue, adhesion width is 5-20mm, bonding location is at the inwall of described sealed feed inlet, the thickness of described valve is 3-8mm, and root epoxyn is bonded in sealing shroud inwall.

Due to above-mentioned vibrational power flow, sealing shroud Endovalve initial condition is fit-state, has completely cut off the inlet point external world and container for storing milk inside, has made extraneous air cannot enter container for storing milk inside, blocked the intrusion of extraneous bacterium; The design of valve imitates the valve that in blood vessel, resistant to blood flows backwards, principle broadly similar, because valve is crescent, without any gap after making valve fit, and good airproof performance; When fresh milk enters from sealed feed inlet, namely enter from the reversing sense of valve, the laminating that fresh milk backs down two valves enters in container for storing milk, and after terminating with milk, valve can continue again laminating, realizes sealing in time, eliminates manual operation, therefore significant sealing affection.Described sealing shroud and valve adopt harmless and chemical and that physical property is highly stable silica gel to make simultaneously, eliminate the impact on Milk quality.

Further, described mixing device is blade stirrer device, and described blade is 4, and alternative arrangement is on mixing device, and the space between described tank body and inner bag is vacuum voids.

The object arranging mixing device is, prevent the fresh milk storage time long and occur butterfat and affect Milk quality, the object that space between tank body and inner bag is set to vacuum voids is, allows container for storing milk have insulation effect, makes the fresh milk in container for storing milk not be subject to the impact of external temperature change.

Further, described sealing shroud and valve silica gel are made, described inner bag, sealed feed inlet and the antibacterial corrosion-resistant steel of mixing device are made, described antibacterial stainless components based on weight percentage calculation (following % all represents percentage by weight) is: carbon is 0.13%-0.17%, nickel is 4%-7%, chromium is 9%-15%, manganese is 9%-11%, niobium is 0.58%-0.77%, vanadium is 0.13%-0.32%, molybdenum is 1.3%-1.8%, titanium is 3%-4%, rare earth is 0.23%-0.53%, silver is 0.056%-0.15%, copper is 0.5%-0.9%, the total amount of p and s is no more than 0.035%, surplus is iron and inevitable impurity thereof.

Further, described antibacterial stainless preparation technology comprises following step:

Step 1, use medium-frequency induction furnace melting, metal charge addition sequence is the pig iron, steel scrap, molybdenum-iron, ferronickel, ferromanganese, ferrochrome, when smelting temperature reaches 1610 DEG C, carry out deoxidation, and then add deoxidation reagent and carry out secondary deoxidation, add molybdenum-iron, vanadium iron, ferrotianium, copper, silver and ferro-niobium afterwards, at the end of melting is fast, add rare earth, make the alloying component in steel reach pre-provisioning request, then finely tune the chemical composition in molten steel, moulding by casting, then ingot conditioning surface dregs, removing rising head;

Step 2, the foundry defect using the method removing surface of steel ingot of machine up and oxide skin, surface finish is smooth, and then by Heating Steel Ingots to 1050 DEG C, heating rate is 100 DEG C/h, once under forging and stamping, steel ingot is forged into the sheet material of required specification;

Step 3, the sheet material after having forged and pressed is placed in heat treatment furnace, heating sheet material to 650 DEG C, heating rate is 70 DEG C/h, is then incubated 3h, then cools to room temperature with the furnace; Then by the mode of machine up, sheet fabrication is become container for storing milk parts;

Step 4, the container for storing milk parts obtained in step 3 are carried out solution treatment, put into heat treatment furnace by container for storing milk parts and be heated to 1100 DEG C, heating rate is 100 DEG C/h, insulation 6h, and then shrend is to room temperature;

Step 5, the container for storing milk parts after solution treatment are heated to 850 DEG C, heating rate is 80 DEG C/h, and insulation 6h, then sky is cooled to room temperature.

Antibacterial stainless formula of the present invention is the same with the essential element in the formula of existing anti-bacteria stainless steel, unlike changing the ratio of component of each element and with the addition of micro-element, object is in order to outside the antibacterial corrosion-resistant steel Combination property of raising, bacteria resistance function can also be given play to better, principle is: in raising corrosion-resistant steel corrosion stability, vanadium is with the addition of in steel, titanium and niobium micro-element, vanadium, titanium and niobium can form stable carbide in steel, effectively can avoid on crystal boundary, be settled out chromium carbide and cause stainless intergranular corrosion, consider the application scenario of container for storing milk, the molybdenum of a great deal of has been added in antibacterial corrosion-resistant steel, molybdenum can form stable passivating film in steel, improve the performance of steel acid and alkali-resistance, improve the ability of steel anti intercrystalline corrosion, these alloying elements can also improve the intensity of steel, the Combination property such as hardness and resistance to abrasion, in antibacterial, copper and silver have been the essential elements of antibacterial action, copper, silver element add separately the anti-microbial property that can improve steel, the prerequisite that copper plays antibacterial action be by high-temperature aging process in the base disperse educt ε-Cu could produce antibacterial effect mutually, and the themoplasticity of austenitic stainless steel declines after carrying high copper content, so the process costs of steel improves after adding copper, hot-working character deterioration, the Antibacterial Mechanism of silver is, silver ion is combined with cell membrane and memebrane protein, destroy bacterium spatial structure, cause bacterial death, oxygen can also be catalyzed into active oxygen by silver, active oxygen has sterilizing ability, research shows, silver antibacterial ability is 100 times of copper, reach optimum for making the fungistatic effect of steel, antibacterial corrosion-resistant steel of the present invention changes the ratio of component of original alloying element, then by copper and silver with the use of, allow the copper in steel form ε-Cu in timeliness and promote that silver ion is at the ride-through capability of steel surface passivated membrane mutually afterwards, formation composite antibacterial mechanism, steel is made to reach best fungistatic effect.After container for storing milk self possesses fungistatic effect, without the need to adding other additional devices, sterilization being carried out to fresh milk, decreasing the input of cost.

In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:

1, the sealing device structure in container for storing milk is simple, good sealing effect, and can realize timely sealing, eliminate manual operation, device is stablized, on the quality of fresh milk without impact.

2, container for storing milk vacuum degree, completely cut off the interchange of heat between extraneous and container for storing milk, heat insulation effect is remarkable, is provided with blade stirrer device simultaneously, further ensures Milk quality.

3, container for storing milk possesses restraining and sterilizing bacteria effect, prevents growing of bacterium in tank, fresh milk in tank can be made to preserve for a long time and undergo no deterioration, and also has excellent decay resistance simultaneously, further increases the service life of container for storing milk.

Accompanying drawing explanation

Fig. 1 is the antibacterial container for storing milk structural representation of one of the present invention.

Fig. 2 is the partial enlarged drawing of A in Fig. 1.

Mark in figure: 1 is tank body, and 2 is inner bag, and 3 is mixing device, and 4 is sealed feed inlet, and 5 is lid, and 6 is sealing shroud, and 7 is valve, and 10 is blade.

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention is described in detail.

In order to make the object of invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.

Embodiment one

As shown in Figure 1, a kind of antibacterial container for storing milk, comprise tank body 1, inner bag 2, the inner chamber of described tank body is provided with inner bag 2 by bearing, gap is left between inner bag 2 and tank body 1, the inner chamber of described inner bag 2 is provided with mixing device 3, the top of described tank body 1 is provided with a sealed feed inlet 4, the middle and lower part of described sealed feed inlet 4 is provided with a sealing shroud 6, upper end is provided with a lid 5, the lower end of described sealing shroud 6 is bonded in sealed feed inlet bottom, sealing shroud 6 is arc circle nested structure, the middle part inwall of described arc circle nested structure is provided with a valve 7, described valve 7 is two half moon thin slices, toward each other, root is connected with sealing shroud 6 inwall, the free edge of valve 7 is towards Flow of Goods and Materials direction.

In the present embodiment, the thickness of described sealing shroud 6 is 0.5-5mm(optimum thickness is 2mm, according to size and the required length of material mouth, also 0.5mm or 5mm can be selected), bonding with described sealed feed inlet 4 junction aqua type synthetic resin glue, adhesion width is the best adhesion width of 5-20mm(is 10mm, according to the length of sealing shroud 6, also 5mm or 20mm can be selected), bonding location is at the inwall of described sealed feed inlet 4, the thickness of described valve 7 is 3-8mm(valve 7 optimum thickness is 5mm, 3mm or 8mm can certainly be selected), root epoxyn is bonded in sealing shroud 6 inwall, described mixing device 3 is blade stirrer device, and described blade 10 is 4, and alternative arrangement is on mixing device, and the space between described tank body 1 and inner bag 2 is vacuum voids.

Due to above-mentioned vibrational power flow, sealing shroud 6 Endovalve 7 initial condition is fit-state, has completely cut off the inlet point external world and container for storing milk inside, has made extraneous air cannot enter container for storing milk inside, blocked the intrusion of extraneous bacterium; The design of valve 7 imitates the valve that in blood vessel, resistant to blood flows backwards, principle broadly similar, because valve 7 is crescent, without any gap after making valve 7 fit, and good airproof performance; When fresh milk enters from sealed feed inlet 4, namely enter from the reversing sense of valve 7, the laminating that fresh milk backs down two valves 7 enters in container for storing milk, and after terminating with milk, valve 7 can continue again laminating, realizes sealing in time, eliminates manual operation, therefore significant sealing affection.Described sealing shroud 6 and valve 7 adopt harmless and chemical and that physical property is highly stable silica gel to make simultaneously, eliminate the impact on Milk quality; The object arranging mixing device 3 is, prevent the fresh milk storage time long and occur butterfat and affect Milk quality, the object that space between tank body 1 and inner bag 2 is set to vacuum voids is, allows container for storing milk have insulation effect, makes the fresh milk in container for storing milk not be subject to the impact of external temperature change.

In the present embodiment, described sealing shroud 6 and valve 7 are made with silica gel, described inner bag 2, sealed feed inlet 4 and the antibacterial corrosion-resistant steel of mixing device 3 are made, described antibacterial stainless components based on weight percentage calculation (following % all represents percentage by weight) is: carbon is 0.13%, nickel is 4%, chromium is 15%, manganese is 9%, niobium is 0.58%, vanadium is 0.13%, molybdenum is 1.3%, titanium is 3%, rare earth is 0.23%, silver is 0.056%, copper is 0.9%, the total amount of p and s is no more than 0.035%, surplus is iron and inevitable impurity thereof, described antibacterial stainless preparation technology comprises following step:

Step 1, use medium-frequency induction furnace melting, metal charge addition sequence is the pig iron, steel scrap, molybdenum-iron, ferronickel, ferromanganese, ferrochrome, when smelting temperature reaches 1610 DEG C, carry out deoxidation, and then add deoxidation reagent and carry out secondary deoxidation, add molybdenum-iron, vanadium iron, ferrotianium, copper, silver and ferro-niobium afterwards, at the end of melting is fast, add rare earth, make the alloying component in steel reach pre-provisioning request, then finely tune the chemical composition in molten steel, moulding by casting, then ingot conditioning surface dregs, removing rising head;

Step 2, the foundry defect using the method removing surface of steel ingot of machine up and oxide skin, surface finish is smooth, and then by Heating Steel Ingots to 1050 DEG C, heating rate is 100 DEG C/h, once under forging and stamping, steel ingot is forged into the sheet material of required specification;

Step 3, the sheet material after having forged and pressed is placed in heat treatment furnace, heating sheet material to 650 DEG C, heating rate is 70 DEG C/h, is then incubated 3h, then cools to room temperature with the furnace; Then by the mode of machine up, sheet fabrication is become container for storing milk parts;

Step 4, the container for storing milk parts obtained in step 3 are carried out solution treatment, put into heat treatment furnace by container for storing milk parts and be heated to 1100 DEG C, heating rate is 100 DEG C/h, insulation 6h, and then shrend is to room temperature;

Step 5, the container for storing milk parts after solution treatment are heated to 850 DEG C, heating rate is 80 DEG C/h, and insulation 6h, then sky is cooled to room temperature.

Embodiment two

This embodiment is identical with embodiment one, and difference is, described antibacterial stainless components based on weight percentage calculation (following % all represents percentage by weight) is: carbon is 0.16%, nickel is 5%, and chromium is 12%, and manganese is 9.5%, niobium is 0.63%, and vanadium is 0.26%, and molybdenum is 1.6%, titanium is 3.7%, and rare earth is 0.45%, and silver is 0.11%, copper is 0.65%, the total amount of p and s is no more than 0.035%, and surplus is iron and inevitable impurity thereof, and described antibacterial stainless preparation technology comprises following step:

Step 1, use medium-frequency induction furnace melting, metal charge addition sequence is the pig iron, steel scrap, molybdenum-iron, ferronickel, ferromanganese, ferrochrome, when smelting temperature reaches 1610 DEG C, carry out deoxidation, and then add deoxidation reagent and carry out secondary deoxidation, add molybdenum-iron, vanadium iron, ferrotianium, copper, silver and ferro-niobium afterwards, at the end of melting is fast, add rare earth, make the alloying component in steel reach pre-provisioning request, then finely tune the chemical composition in molten steel, moulding by casting, then ingot conditioning surface dregs, removing rising head;

Step 2, the foundry defect using the method removing surface of steel ingot of machine up and oxide skin, surface finish is smooth, and then by Heating Steel Ingots to 1050 DEG C, heating rate is 100 DEG C/h, once under forging and stamping, steel ingot is forged into the sheet material of required specification;

Step 3, the sheet material after having forged and pressed is placed in heat treatment furnace, heating sheet material to 650 DEG C, heating rate is 70 DEG C/h, is then incubated 3h, then cools to room temperature with the furnace; Then by the mode of machine up, sheet fabrication is become container for storing milk parts;

Step 4, the container for storing milk parts obtained in step 3 are carried out solution treatment, put into heat treatment furnace by container for storing milk parts and be heated to 1100 DEG C, heating rate is 100 DEG C/h, insulation 6h, and then shrend is to room temperature;

Step 5, the container for storing milk parts after solution treatment are heated to 850 DEG C, heating rate is 80 DEG C/h, and insulation 6h, then sky is cooled to room temperature.

Embodiment three

This embodiment is identical with embodiment two with embodiment one, difference is, described antibacterial stainless components based on weight percentage calculation (following % all represents percentage by weight) is: carbon is 0.15%, nickel is 6%, chromium is 13%, manganese is 9%, and niobium is 0.62%, and vanadium is 0.28%, molybdenum is 1.5%, titanium is 3.7%, and rare earth is 0.53%, and silver is 0.13%, copper is 0.7%, the total amount of p and s is no more than 0.035%, and surplus is iron and inevitable impurity thereof, and described antibacterial stainless preparation technology comprises following step:

Step 1, use medium-frequency induction furnace melting, metal charge addition sequence is the pig iron, steel scrap, molybdenum-iron, ferronickel, ferromanganese, ferrochrome, when smelting temperature reaches 1610 DEG C, carry out deoxidation, and then add deoxidation reagent and carry out secondary deoxidation, add molybdenum-iron, vanadium iron, ferrotianium, copper, silver and ferro-niobium afterwards, at the end of melting is fast, add rare earth, make the alloying component in steel reach pre-provisioning request, then finely tune the chemical composition in molten steel, moulding by casting, then ingot conditioning surface dregs, removing rising head;

Step 2, the foundry defect using the method removing surface of steel ingot of machine up and oxide skin, surface finish is smooth, and then by Heating Steel Ingots to 1050 DEG C, heating rate is 100 DEG C/h, once under forging and stamping, steel ingot is forged into the sheet material of required specification;

Step 3, the sheet material after having forged and pressed is placed in heat treatment furnace, heating sheet material to 650 DEG C, heating rate is 70 DEG C/h, is then incubated 3h, then cools to room temperature with the furnace; Then by the mode of machine up, sheet fabrication is become container for storing milk parts;

Step 4, the container for storing milk parts obtained in step 3 are carried out solution treatment, put into heat treatment furnace by container for storing milk parts and be heated to 1100 DEG C, heating rate is 100 DEG C/h, insulation 6h, and then shrend is to room temperature;

Step 5, the container for storing milk parts after solution treatment are heated to 850 DEG C, heating rate is 80 DEG C/h, and insulation 6h, then sky is cooled to room temperature.

Embodiment four

This embodiment and embodiment one, embodiment two are identical with embodiment three, difference is, described antibacterial stainless components based on weight percentage calculation (following % all represents percentage by weight) is: carbon is 0.17%, nickel is 7%, chromium is 9%%, manganese is 11%, and niobium is 0.77%, and vanadium is 0.32%, molybdenum is 1.8%, titanium is 4%, and rare earth is 0.53%, and silver is 0.15%, copper is 0.5%, the total amount of p and s is no more than 0.035%, and surplus is iron and inevitable impurity thereof, and described antibacterial stainless preparation technology comprises following step:

Step 1, use medium-frequency induction furnace melting, metal charge addition sequence is the pig iron, steel scrap, molybdenum-iron, ferronickel, ferromanganese, ferrochrome, when smelting temperature reaches 1610 DEG C, carry out deoxidation, and then add deoxidation reagent and carry out secondary deoxidation, add molybdenum-iron, vanadium iron, ferrotianium, copper, silver and ferro-niobium afterwards, at the end of melting is fast, add rare earth, make the alloying component in steel reach pre-provisioning request, then finely tune the chemical composition in molten steel, moulding by casting, then ingot conditioning surface dregs, removing rising head;

Step 2, the foundry defect using the method removing surface of steel ingot of machine up and oxide skin, surface finish is smooth, and then by Heating Steel Ingots to 1050 DEG C, heating rate is 100 DEG C/h, once under forging and stamping, steel ingot is forged into the sheet material of required specification;

Step 3, the sheet material after having forged and pressed is placed in heat treatment furnace, heating sheet material to 650 DEG C, heating rate is 70 DEG C/h, is then incubated 3h, then cools to room temperature with the furnace; Then by the mode of machine up, sheet fabrication is become container for storing milk parts;

Step 4, the container for storing milk parts obtained in step 3 are carried out solution treatment, put into heat treatment furnace by container for storing milk parts and be heated to 1100 DEG C, heating rate is 100 DEG C/h, insulation 6h, and then shrend is to room temperature;

Step 5, the container for storing milk parts after solution treatment are heated to 850 DEG C, heating rate is 80 DEG C/h, and insulation 6h, then sky is cooled to room temperature.

The room-temperature mechanical property of the container for storing milk parts obtained by above-mentioned technique is as shown in the table:

Can be drawn by upper table, container for storing milk parts excellent in mechanical performance of the present invention, its hardness can reach 57.3HRC, yield strength can reach 675MPa, also has outstanding corrosion resistance simultaneously, and its anti-spot corrosion equivalent can reach 27.6, container for storing milk parts are not easily corroded, extend service life.In addition, the container for storing milk parts obtained in each embodiment are made sample, test by the standard of JISZ2801-2000 antibacterial fabricated product-Anti-microbial Performance Tests method and antibacterial effect, its result is: Escherichia coli antibiotic rate is for being not less than 99%, and staphylococcus aureus antibiotic rate is for being not less than 99%.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (5)

1. an antibacterial container for storing milk, comprise tank body (1), inner bag (2), the inner chamber of described tank body (1) is provided with inner bag (2) by bearing, gap is left between inner bag (2) and tank body (1), the inner chamber of described inner bag (2) is provided with mixing device (3), it is characterized in that, the top of described tank body (1) is provided with a sealed feed inlet (4), the middle and lower part of described sealed feed inlet 4 is provided with a sealing shroud (6), upper end is provided with a lid (5), the lower end of described sealing shroud (6) is bonded in sealed feed inlet (4) bottom, sealing shroud (6) is arc circle nested structure, the middle part inwall of described arc circle nested structure is provided with a valve 7, described valve (7) is two half moon thin slices, toward each other, root is connected with sealing shroud (6) inwall, the free edge of valve (7) is towards Flow of Goods and Materials direction.

2. antibacterial container for storing milk as claimed in claim 1, it is characterized in that, the thickness of described sealing shroud (6) is 0.5-5mm, bonding with described sealed feed inlet (4) junction aqua type synthetic resin glue, adhesion width is 5-20mm, bonding location is at the inwall of described sealed feed inlet (4), and the thickness of described valve (7) is 3-8mm, and root epoxyn is bonded in sealing shroud (6) inwall.

3. antibacterial container for storing milk as claimed in claim 2, it is characterized in that, described mixing device is 3 blade stirrer devices, and described blade (10) is 4, alternative arrangement is on mixing device (3), and the space between described tank body (1) and inner bag (2) is vacuum voids.

4. the antibacterial container for storing milk as described in one of claim 1-3, it is characterized in that, described sealing shroud (6) and valve (7) are made with silica gel, described inner bag (2), sealed feed inlet (4) and mixing device (3) are made with antibacterial corrosion-resistant steel, described antibacterial stainless components based on weight percentage calculation (following % all represents percentage by weight) is: carbon is 0.13%-0.17%, nickel is 4%-7%, chromium is 9%-15%, manganese is 9%-11%, niobium is 0.58%-0.77%, vanadium is 0.13%-0.32%, molybdenum is 1.3%-1.8%, titanium is 3%-4%, rare earth is 0.23%-0.53%, silver is 0.056%-0.15%, copper is 0.5%-0.9%, the total amount of p and s is no more than 0.035%, surplus is iron and inevitable impurity thereof.

5. antibacterial container for storing milk as claimed in claim 4, is characterized in that, described antibacterial stainless preparation technology comprises following step:

Step 1, use medium-frequency induction furnace melting, metal charge addition sequence is the pig iron, steel scrap, molybdenum-iron, ferronickel, ferromanganese, ferrochrome, when smelting temperature reaches 1610 DEG C, carry out deoxidation, and then add deoxidation reagent and carry out secondary deoxidation, add molybdenum-iron, vanadium iron, ferrotianium, copper, silver and ferro-niobium afterwards, at the end of melting is fast, add rare earth, make the alloying component in steel reach pre-provisioning request, then finely tune the chemical composition in molten steel, moulding by casting, then ingot conditioning surface dregs, removing rising head;

Step 2, the foundry defect using the method removing surface of steel ingot of machine up and oxide skin, surface finish is smooth, and then by Heating Steel Ingots to 1050 DEG C, heating rate is 100 DEG C/h, once under forging and stamping, steel ingot is forged into the sheet material of required specification;

Step 3, the sheet material after having forged and pressed is placed in heat treatment furnace, heating sheet material to 650 DEG C, heating rate is 70 DEG C/h, is then incubated 3h, then cools to room temperature with the furnace; Then by the mode of machine up, sheet fabrication is become container for storing milk parts;

Step 4, the container for storing milk parts obtained in step 3 are carried out solution treatment, put into heat treatment furnace by container for storing milk parts and be heated to 1100 DEG C, heating rate is 100 DEG C/h, insulation 6h, and then shrend is to room temperature;

Step 5, the container for storing milk parts after solution treatment are heated to 850 DEG C, heating rate is 80 DEG C/h, and insulation 6h, then sky is cooled to room temperature.