阅读说明：本技术 一种蓝皮丝一次回收处理装置及其工作方法 (Blue leather filament primary recovery processing device and working method thereof ) 是由 马依琳 于 2020-10-16 设计创作，主要内容包括：本发明涉及一种蓝皮丝一次回收处理装置及其工作方法,其包括第一反应釜、第一溶液回收装置、第二反应釜、第二溶液回收装置、蒸发装置、过滤通道和喷淋干燥装置。蓝皮丝先放置到第一反应釜内,经过搅拌、加热和静置过程后,得到分层的液体,上层液体中包含的明胶成分较多,可以导入至第一溶液回收装置进行后续的回收处理,而下层固体中包括较多的杂质和明胶成分,下层固体导入至第二反应釜内,再次进行水的溶解,并加入辅料。经过搅拌加热和静置过程中,得到上层溶液,上层溶液经过滤膜处理,可以去除溶液中的大分子量的杂质,过滤后的溶液经过蒸发装置蒸去大部分的水分,然后经过喷淋干燥设备得到粉末回收明胶。(The invention relates to a primary blue leather filament recovery processing device and a working method thereof. The blue skin silk is placed earlier in first reation kettle, through stirring, heating and the process of stewing, obtains the liquid of layering, and the gelatin composition that contains in the upper liquid is more, can leading-in carry out subsequent recovery processing to first solution recovery unit, and includes more impurity and gelatin composition in the lower floor solid, and the lower floor solid is leading-in to the second reation kettle in, carries out dissolving of water once more to add the auxiliary material. The upper solution is obtained by stirring, heating and standing, the impurities with large molecular weight in the solution can be removed by processing the upper solution with a filter membrane, most of water is evaporated from the filtered solution through an evaporation device, and then the gelatin is recovered from the powder by a spray drying device.)

1. The utility model provides a blue leather silk is recovery processing device once which characterized in that includes:

the first reaction kettle is provided with a stirring unit, and a first filter screen is arranged in the first reaction kettle;

the first solution recovery device is connected to a first valve on the first reaction kettle through a first connecting pipeline, and the first valve is arranged at the upper part of the first filter screen;

the second reaction kettle is connected with the discharge hole at the bottom of the first reaction kettle through a second connecting pipeline, and a second filter screen is arranged in the second reaction kettle;

the second solution recovery device is connected to the position of a second valve of the second reaction kettle through a third connecting pipeline, and the second valve is arranged at the upper part of the second filter screen;

the evaporation device is connected with the second solution recovery device;

the filtering channel is connected with the evaporation device, and a filtering membrane is arranged in the filtering channel;

and the spray drying device is connected with the filtering channel.

2. The primary recycling device for blue and green leathers according to claim 1, wherein the evaporation device comprises an upper container and a lower container, a stirring assembly and heating units are arranged in the upper container, and the heating units are distributed on the side wall of the upper container;

the lower container is connected with a discharge port of the upper container through a valve, a spiral roller body is arranged in the lower container, a heating unit is arranged in the spiral roller body, an opening is formed in the tail end of the lower portion of the spiral roller body, and the opening is connected with a spray drying device.

3. The working method of the primary blue leather filament recovery processing device is characterized by comprising the following steps:

s1: adding the blue leather filament into a first reaction kettle, and feeding liquid water and auxiliary materials into the reaction kettle;

s2: heating, stirring and mixing the materials in the first reaction kettle;

s3: stopping stirring, and standing, filtering and precipitating under the condition of heat preservation;

s4: separating multilayer liquid formed by standing in the tank body, leading out upper-layer liquid to a first solution recovery device, and leading out lower-layer solid to a second reaction kettle;

s5: adding water into the second reaction kettle for dissolving to form a solution;

s6: evaporating the solution to obtain an intermediate;

s7: and spraying and drying the intermediate to obtain a powder gelatin recovery.

4. The operating method of a primary recycling apparatus for blue-and-blue threads according to claim 3, wherein in said S6:

firstly, the solution enters an upper container, and the solution is heated and stirred in the upper container, so that the solvent in the solution is gradually volatilized;

then, a valve of a discharge port at the bottom of the upper container is opened, so that the material in the upper container gradually enters the lower container, the solvent volatilization of the material continues to occur under the action of the spiral stirring roller body, and the spiral stirring roller body drives the material to move towards the downstream direction and discharge the material into the spray drying device from the opening.

Technical Field

The invention relates to the field of recovery processing of leather products, in particular to a processing device for processing and recovering gelatin by using blue leather threads and a working method thereof.

Background

Leather products have a very wide application in people's daily life. In recent years, the leather industry in China has been developed greatly, and the consumption of leather chemicals in China is more than 20 million tons every year.

However, in the manufacturing process of leather, some leftover materials are inevitably generated, which are generally called blue leather silk after certain time, and the leftover materials are usually discarded directly as garbage.

In the prior art, some schemes for recycling leather scraps have appeared, for example, gelatin, which is a white or yellow substance, is a protein organic substance formed after collagen in a leather product is decomposed, has a wide application range, and can be used as a plant fertilizer, by means of acid treatment or alkali treatment, and through processes of soaking, filtering, concentrating and the like of blue leather filaments.

Disclosure of Invention

The invention mainly aims to provide a primary blue leather filament recovery processing device for recovering blue leather filaments and a working method thereof.

In order to accomplish the above object, the present invention provides a primary recycling apparatus for blue-hide silk, comprising: the system comprises a first reaction kettle, a first solution recovery device, a second reaction kettle, a second solution recovery device, an evaporation device, a filtering channel and a spray drying device; the first reaction kettle is provided with a stirring unit, and a first filter screen is arranged in the first reaction kettle; the first solution recovery device is connected to a first valve on the first reaction kettle through a first connecting pipeline, and the first valve is arranged at the upper part of the first filter screen; the second reaction kettle is connected with the discharge hole at the bottom of the first reaction kettle through a second connecting pipeline, and a second filter screen is arranged in the second reaction kettle; the second solution recovery device is connected to the position of a second valve of the second reaction kettle through a third connecting pipeline, and the second valve is arranged at the upper part of the second filter screen; the evaporation device is connected with the second solution recovery device; the filtering channel is connected with the evaporation device, and a filtering membrane is arranged in the filtering channel; the spray drying device is connected with the filtering channel.

In a preferred scheme, the evaporation device comprises an upper container and a lower container, wherein a stirring assembly and heating units are arranged in the upper container, and the heating units are distributed on the side wall of the upper container;

the lower container is connected with a discharge port of the upper container through a valve, a spiral roller body is arranged in the lower container, a heating unit is arranged in the spiral roller body, an opening is formed in the tail end of the lower reaches of the spiral roller body, and the opening is connected with a spray drying device.

One preferred embodiment comprises the following steps:

s1: adding the blue leather filament into a first reaction kettle, and feeding liquid water and auxiliary materials into the reaction kettle;

s2: heating, stirring and mixing the materials in the first reaction kettle;

s3: stopping stirring, and standing, filtering and precipitating under the condition of heat preservation;

s4: separating multilayer liquid formed by standing in the tank body, leading out upper-layer liquid to a first solution recovery device, and leading out lower-layer solid to a second reaction kettle;

s5: adding water into the second reaction kettle for dissolving to form a solution;

s6: evaporating the solution to obtain an intermediate;

s7: and spraying and drying the intermediate to obtain a powder gelatin recovery.

In a preferred embodiment, in S6:

firstly, the solution enters an upper container, and the solution is heated and stirred in the upper container, so that the solvent in the solution is gradually volatilized;

then, a valve of a discharge port at the bottom of the upper container is opened, so that the material in the upper container gradually enters the lower container, the solvent volatilization of the material continues to occur under the action of the spiral stirring roller body, and the spiral stirring roller body drives the material to move towards the downstream direction and discharge the material into the spray drying device from the opening.

The invention has the beneficial effects that: the blue skin silk is placed earlier in first reation kettle, through stirring, heating and the process of stewing, obtains the liquid of layering, and the gelatin composition that contains in the upper liquid is more, can leading-in carry out subsequent recovery processing to first solution recovery unit, and includes more impurity and gelatin composition in the lower floor solid, and the lower floor solid is leading-in to the second reation kettle in, carries out dissolving of water once more to add the auxiliary material. The upper solution is obtained by stirring, heating and standing, the impurities with large molecular weight in the solution can be removed by processing the upper solution with a filter membrane, most of water is evaporated from the filtered solution through an evaporation device, and then the gelatin is recovered from the powder by a spray drying device.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of a first embodiment of a primary blue-skin silk recycling device of the present invention.

Fig. 2 is a schematic structural view of a primary blue-skin silk recycling device according to a second embodiment of the present invention.

Description of the reference numerals

10. A first reaction kettle; 11. a stirring unit; 12. a first valve; 13. a discharge port; 14. a first filter screen; 20. a first solution recovery unit; 21. a first connecting pipe; 30. a second reaction kettle; 31. A second connecting pipe; 32. a second filter screen; 33. a second valve; 40. a second solution recovery device; 41. a third connecting pipe; 50. an evaporation device; 51. an upper container; 52. a lower container; 53. a stirring assembly; 56. a valve; 57. a spiral roller body; 58. an opening; 60. a filtration channel; 61. filtering the membrane; 70. And (4) a spray drying device.

Detailed Description

The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

The first embodiment:

as shown in fig. 1, the primary recycling device for blue-skin silks of the present embodiment includes a first reaction kettle 10, a first solution recycling device 20, a second reaction kettle 30, a second solution recycling device 40, an evaporation device 50, a filtering channel 60, and a spray drying device 70.

The first reaction vessel 10 has a stirring unit 11, and a first filter 14 is disposed in the first reaction vessel 10.

The first solution recycling device 20 is connected to the first reaction vessel 10 at a first valve 12 position through a first connecting pipe 21, and the first valve 12 is disposed at the upper portion of the first filter 14.

The second reaction kettle 30 is connected with the discharge port 13 at the bottom of the first reaction kettle 10 through a second connecting pipeline 31, and a second filter screen 32 is arranged in the second reaction kettle 30.

The second solution recovery device 40 is connected to the second valve 33 of the second reaction vessel 30 through a third connection pipe 41, and the second valve 33 is disposed at the upper portion of the second filter 32.

The evaporation apparatus 50 is connected to the second solution recovery apparatus 40 through a filtration passage 60. The filtration channel 60 is connected to the evaporation apparatus 50, and a filtration membrane 61 is provided in the filtration channel 60. The spray drying device 70 is connected to the filter tunnel 60.

The primary recycling device for blue leather silk in the embodiment comprises the following steps:

s1: adding the blue leather filament into a first reaction kettle 10, and feeding liquid water and auxiliary materials into the reaction kettle 10;

s2: heating, stirring and mixing the materials in the first reaction kettle 10;

s3: stopping stirring, and standing, filtering and precipitating under the condition of heat preservation;

s4: separating multilayer liquid formed by standing in the tank body of the first reaction kettle 10, leading out upper layer liquid to a first solution recovery device 20, and leading out lower layer solid to a second reaction kettle 30;

s5: adding water into the second reaction kettle 30 for dissolving to form a solution;

s6: evaporating the solution to obtain an intermediate;

s7: and spraying and drying the intermediate to obtain a powder gelatin recovery.

Second embodiment:

the primary recycling apparatus for blue-fur filament of this embodiment is substantially the same as the first embodiment, and only the differences will be described in detail.

As shown in fig. 2, the evaporation apparatus 50 of the present embodiment includes an upper container 51 and a lower container 52, wherein a stirring assembly 53 and heating units are disposed in the upper container 51, and the heating units are distributed on a sidewall of the upper container 51.

The lower container 52 is connected with a discharge port of the upper container 51 through a valve 56, a spiral roller body 57 is arranged in the lower container 52, a heating unit is arranged in the spiral roller body 57, an opening 58 is arranged at the downstream end of the spiral roller body 57, and the opening 58 is connected with a spray drying device 70.

In S6, first, the solution is introduced into the upper container 51, and the solution is heated and stirred in the upper container 51 so that the solvent in the solution is gradually volatilized; then, the valve 56 at the bottom of the upper container 51 is opened, so that the material in the upper container 51 gradually enters the lower container 52, the solvent volatilization of the material continues to occur under the action of the spiral stirring roller body 57, and the spiral stirring roller body 57 drives the material to move in the downstream direction, and the material is discharged from the opening 58 to the spray drying device 70.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all 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.