阅读说明：本技术 一种粉末冶金表面发黑工艺的生产设备 (Production equipment for powder metallurgy surface blackening process ) 是由 肖勍 陈圣发 于 2020-12-16 设计创作，主要内容包括：一种粉末冶金表面发黑工艺的生产设备,它涉及发黑工艺生产设备领域,它包括进水口、蒸汽炉、蒸汽出口、连接管道、蒸汽入口、压坯、发黑炉、蒸汽入口、传送钢带、燃气加热机构,进水口一侧设置在蒸汽炉上,蒸汽炉上设有蒸汽出口,蒸汽出口一侧通过连接管道与蒸汽入口相连接,蒸汽入口设置在发黑炉上,发黑炉一侧设有废气出口,本发明有益效果为：将传统的发黑工艺采用井式蒸汽发黑炉变为传送带式蒸汽发黑炉,蒸汽炉稳定输出高温蒸汽,通过网带传输高温的零件,生成四氧化三铁,使其达到发黑工艺,且传送带连续传送,效率更高,发黑效率可达到300公斤/6小时,且操作环境也在常温下操作,使其更加安全,操作简单。(The invention relates to production equipment for a powder metallurgy surface blackening process, which relates to the field of production equipment for the blackening process, and comprises a water inlet, a steam furnace, a steam outlet, a connecting pipeline, a steam inlet, a pressed compact, a blackening furnace, a steam inlet, a conveying steel belt and a fuel gas heating mechanism, wherein one side of the water inlet is arranged on the steam furnace, the steam furnace is provided with the steam outlet, one side of the steam outlet is connected with the steam inlet through the connecting pipeline, the steam inlet is arranged on the blackening furnace, and one side of the blackening furnace is provided with a waste gas outlet. The traditional blackening process is changed into a conveyor belt type steam blackening furnace by adopting a well type steam blackening furnace, the steam furnace stably outputs high-temperature steam, high-temperature parts are conveyed through a mesh belt to generate ferroferric oxide, so that the blackening process is achieved, the conveyor belt is continuously conveyed, the efficiency is higher, the blackening efficiency can reach 300 kilograms/6 hours, and the operation environment is also operated at normal temperature, so that the blackening process is safer and is simple to operate.)

1. The production equipment for the powder metallurgy surface blackening process is characterized by comprising the following steps: the steam heating furnace comprises a water inlet (1), a steam furnace (2), a steam outlet (3), a connecting pipeline (4), a steam inlet (5), a pressed blank (6), a blackening furnace (7), a steam inlet (5), a conveying steel belt (9) and a gas heating mechanism (10), wherein one side of the water inlet (1) is arranged on the steam furnace (2), the steam outlet (3) is arranged on the steam furnace (2), one side of the steam outlet (3) is connected with the steam inlet (5) through the connecting pipeline (4), the steam inlet (5) is arranged on the blackening furnace (7), one side of the blackening furnace (7) is provided with a waste gas outlet (8), the conveying steel belt (9) penetrates through the left side and the right side of the blackening furnace (7), the pressed blank (6) is arranged on the conveying steel belt (9), and the gas heating mechanism (10) is arranged below the steam furnace (2).

2. The production equipment for the powder metallurgy surface blackening process according to claim 1, wherein: the diameter of the steam outlet (3) is equal to that of the steam inlet (5).

3. The production equipment for the powder metallurgy surface blackening process according to claim 1, wherein: the pressed blanks (6) are more than two and are distributed on the conveying steel belt (9) at equal intervals.

4. The production equipment for the powder metallurgy surface blackening process according to claim 1, wherein: the diameter of the steam inlet (5) is slightly larger than that of the steam inlet (5).

5. The production equipment for the powder metallurgy surface blackening process according to claim 1, wherein: the conveyor belt (9) should be kept moving in a fixed direction.

6. The production equipment for the powder metallurgy surface blackening process according to claim 1, wherein: the fuel gas heating mechanism (10) is heated by burning natural gas, artificial fuel gas, liquefied petroleum gas and the like.

Technical Field

The invention relates to the field of blackening process production equipment, in particular to production equipment for a powder metallurgy surface blackening process.

Background

The blackening process is a common means of chemical surface treatment, the principle is to generate an oxide film on the surface of metal to isolate air, so as to achieve the purpose of rust prevention, the blackening process can be adopted when the appearance requirement is not high, the surface of a steel part is subjected to blackening process, also called bluing, and the common methods of blackening process comprise two types of traditional alkaline heating blackening and later normal-temperature blackening, but the normal-temperature blackening process has poor effect on low-carbon steel, the alkaline blackening is subdivided, and the difference between one-time blackening and two-time blackening is realized.

Powder metallurgy is a process technology for preparing metal powder or manufacturing metal materials, composite materials and various products by using metal powder (or a mixture of metal powder and non-metal powder) as a raw material and forming and sintering the metal powder, and the powder metallurgy method has similar places with the production of ceramics and belongs to a powder sintering technology, so a series of new powder metallurgy technologies can also be used for preparing ceramic materials, and a blackening process can provide convenience for people in powder metallurgy, but has the following defects:

in the prior art, a well-type steam blackening furnace is adopted in the traditional blackening process, so that the blackening process is low in blackening efficiency and high in energy consumption, the blackening quality of the blackening process is unstable, the production environment is severe, certain dangerousness is caused, the operation is complex, the adopted equipment is a closed furnace, the capacity is limited, and the blackening efficiency is only 100 kg/6 h.

Disclosure of Invention

The invention aims to provide production equipment for a powder metallurgy surface blackening process, aiming at the problems that in the prior art, a well-type steam blackening furnace is adopted in the traditional blackening process, so that the blackening efficiency is low, the energy consumption is high, the blackening quality of the blackening process is unstable, the production environment is severe, certain dangerousness is realized, the operation is complicated, the adopted equipment is a closed furnace, the capacity is limited, and the working efficiency is only 100 kg/6 h.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a production facility of powder metallurgy surface blackening technology, it includes water inlet 1, steam oven 2, steam outlet 3, connecting tube 4, steam inlet 5, pressed compact 6, blackening furnace 7, steam inlet 5, conveying steel band 9, gas heating mechanism 10, 1 one side of water inlet sets up on steam oven 2, be equipped with steam outlet 3 on steam oven 2, 3 one side of steam outlet is connected with steam inlet 5 through connecting tube 4, steam inlet 5 sets up on blackening furnace 7, blackening furnace 7 one side is equipped with exhaust outlet 8, conveying steel band 9 runs through its blackening furnace 7 left and right sides, be equipped with pressed compact 6 on the conveying steel band 9, steam oven 2 below is equipped with gas heating mechanism 10.

More specific examples of the present invention include: the diameter of the steam outlet 3 is equal to that of the steam inlet 5, so that stable steam delivery is ensured.

More specific examples of the present invention include: the pressed blanks 6 are arranged more than two and are distributed on the conveying steel belt 9 at equal intervals, and the blackening operation of a plurality of blackening pieces can be carried out simultaneously.

More specific examples of the present invention include: the diameter of the steam inlet 5 is slightly larger than that of the steam inlet 5, so that the residence time of the steam in the blackening furnace 7 is ensured.

More specific examples of the present invention include: the conveyor belt 9 should be kept moving in a fixed direction to ensure that the blackening of the blackening elements is consistent in time.

More specific examples of the present invention include: the gas heating mechanism 10 is heated by burning natural gas, artificial gas, liquefied petroleum gas, or the like.

The working principle of the invention is as follows: a water inlet 1 of the black iron powder metallurgy device is connected with a water source, the water source enters a steam furnace 2 through the water inlet 1, under the operation of continuous combustion heating of a fuel gas heating mechanism 10, the water source in the steam furnace 2 is continuously heated and heated, finally becomes water vapor and is discharged from a steam outlet 3, the water vapor enters a blackening furnace 7 through a connecting pipeline 4 and a steam inlet 5, high-temperature steam is output to a pressed compact 6, and accordingly ferroferric oxide is generated on the powder metallurgy device and is blackened, a conveying steel belt 9 can continuously move clockwise, the pressed compact 6 can be quickly replaced, and the steam temperature is reduced to become waste gas and then is discharged from a waste gas outlet 8.

After the technical scheme is adopted, the invention has the beneficial effects that: the traditional blackening process is changed into a conveyor belt type steam blackening furnace by adopting a well type steam blackening furnace, the steam furnace stably outputs high-temperature steam, high-temperature parts are conveyed through a mesh belt to generate ferroferric oxide, so that the blackening process is achieved, the conveyor belt is continuously conveyed, the efficiency is higher, the blackening efficiency can reach 300 kilograms/6 hours, and the operation environment is also operated at normal temperature, so that the blackening process is safer and is simple to operate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Description of reference numerals: the device comprises a water inlet 1, a steam furnace 2, a steam outlet 3, a connecting pipeline 4, a steam inlet 5, a pressed compact 6, a blackening furnace 7, a waste gas outlet 8, a conveying steel belt 9 and a fuel gas heating mechanism 10.

Detailed Description

Referring to fig. 1, the technical solution adopted by the present embodiment is: the steam furnace comprises a water inlet 1, a steam furnace 2, a steam outlet 3, a connecting pipeline 4, a steam inlet 5, a pressed compact 6, a blackening furnace 7, a steam inlet 5, a conveying steel belt 9 and a gas heating mechanism 10, wherein one side of the water inlet 1 is arranged on the steam furnace 2, the steam outlet 3 is arranged on the steam furnace 2, one side of the steam outlet 3 is connected with the steam inlet 5 through the connecting pipeline 4, the steam inlet 5 is arranged on the blackening furnace 7, a waste gas outlet 8 is arranged on one side of the blackening furnace 7, the conveying steel belt 9 penetrates through the left side and the right side of the blackening furnace 7, the pressed compact 6 is arranged on the conveying steel belt 9, and the gas heating mechanism 10 is arranged below the steam furnace 2.

The diameter of the steam outlet 3 is equal to that of the steam inlet 5, so that stable delivery of steam is guaranteed, more than two pressed compacts 6 are arranged and are equidistantly distributed on the conveying steel belt 9, blackening operation of a plurality of blackening pieces can be simultaneously carried out, the diameter of the steam inlet 5 is slightly larger than that of the steam inlet 5, so that the retention time of the steam in the blackening furnace 7 is guaranteed, the conveying steel belt 9 is required to keep moving in a fixed direction, so that the blackening time of the blackening pieces is consistent, and the gas heating mechanism 10 is used for combustion heating by adopting natural gas, artificial gas, liquefied petroleum gas and the like.

The working principle of the invention is as follows: a water inlet 1 of the black iron powder metallurgy device is connected with a water source, the water source enters a steam furnace 2 through the water inlet 1, under the operation of continuous combustion heating of a fuel gas heating mechanism 10, the water source in the steam furnace 2 is continuously heated and heated, finally becomes water vapor and is discharged from a steam outlet 3, the water vapor enters a blackening furnace 7 through a connecting pipeline 4 and a steam inlet 5, high-temperature steam is output to a pressed compact 6, and accordingly ferroferric oxide is generated on the powder metallurgy device and is blackened, a conveying steel belt 9 can continuously move clockwise, the pressed compact 6 can be quickly replaced, and the steam temperature is reduced to become waste gas and then is discharged from a waste gas outlet 8.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.