阅读说明：本技术 一种水解羽毛粉生产工艺 (Production process of hydrolyzed feather powder ) 是由 陈云 于 2020-12-30 设计创作，主要内容包括：本发明属于水解羽毛粉生产技术领域,具体涉及一种水解羽毛粉生产工艺。针对现有羽毛粉生产工艺的不合理之处,本发明采用如下技术方案：一种水解羽毛粉生产工艺,所述生产工艺包括以下步骤：S1、送料,S2、水解、卸压及废气处理,S3、烘干,S4、油、物分离,S5、冷却、防尘及相关废气处理,S6、筛选粉碎、储料包装入库,进一步地,还包括S01预处理步骤,在预处理步骤S01中,采用射线对原料进行照射处理。本发明的水解羽毛粉生产工艺的有益效果是：车间设计成两层模式,既减轻工人入料的劳动强度,又避免了物料到处乱洒、乱漂造成的与成品相混的弊端；在废气处理环节,经过多个设备,整个卸压的废气被完全处理分解达到废气排放标准。(The invention belongs to the technical field of hydrolyzed feather powder production, and particularly relates to a production process of hydrolyzed feather powder. Aiming at the unreasonable points of the prior feather powder production process, the invention adopts the following technical scheme: a production process of hydrolyzed feather meal comprises the following steps: s1, feeding, S2, hydrolyzing, pressure relief and waste gas treatment, S3, drying, S4, oil and substance separation, S5, cooling, dust prevention and related waste gas treatment, S6, screening, crushing, storing, packaging and warehousing, and further comprises an S01 pretreatment step, wherein in the pretreatment step S01, the raw materials are irradiated by rays. The production process of the hydrolyzed feather powder has the beneficial effects that: the workshop is designed into a two-layer mode, so that the labor intensity of feeding by workers is reduced, and the defect that materials are mixed with finished products due to messy spreading and floating is avoided; in the waste gas treatment link, through a plurality of equipment, the whole pressure-relieved waste gas is completely treated and decomposed to reach the waste gas emission standard.)

1. A production process of hydrolyzed feather powder is characterized in that: the production process comprises the following steps:

s1, feeding, wherein in the step, raw materials are conveyed to a hydrolysis tank through a conveying belt, wherein the raw materials are located on one layer of a workshop, and production equipment is located on the other layer of the workshop;

s2, hydrolyzing, releasing pressure and treating waste gas, wherein in the step, the material enters a hydrolysis tank and is subjected to high-temperature and high-pressure treatment, the pressure is released and the gas is exhausted, the waste gas firstly enters a dust fall buffer tank, the waste gas subjected to dust fall treatment enters a condenser for treatment, and a small amount of gas which cannot be condensed is subjected to spray treatment by a waste purification tower;

s3, drying, wherein in the step, after pressure relief is finished, the materials are respectively conveyed into a dryer through a screw conveyer provided with a draught fan;

s4, separating oil from materials, wherein in the step, the dried materials directly fall into a rake storage bin for temporary storage; according to the processing capacity of the screw oil press, sequentially entering a squeezing link for oil and substance separation, entering the produced squeezed cake into a cooling link for processing, entering the produced oil into a heated oil sedimentation tank, and canning and storing the precipitated oil;

s5, cooling, preventing dust and treating related waste gas, wherein in the step, the separated materials are sent to a cooler by a closed spiral conveyor for cooling, a dryer and the cooler are included in the period, the waste gas of the closed conveyor passes through a spiral dust-settling device, and then the dust-settling treatment is carried out by sucking the waste gas into a condenser by a draught fan;

and S6, screening and crushing, storing and packaging, warehousing, cooling the materials, conveying the cooled materials into a screening and crushing unit by a screw conveyor, crushing the materials, and conveying the crushed materials into a storage bin through a screw dust falling port by a fan for bag receiving and packaging.

2. The process for producing hydrolyzed feather meal as claimed in claim 1, wherein: the production process further includes a pretreatment step S01 of irradiating the raw material with a radiation ray in the pretreatment step S01.

3. The process for producing hydrolyzed feather meal as claimed in claim 2, wherein: in the preprocessing step S01, the raw material is irradiated with gamma rays.

4. A process for the production of hydrolysed feather meal in accordance with claim 3 wherein: in the preprocessing step S01, the radiation dose of the gamma ray is less than 100kGy, and the irradiation time is not more than the maximum required time of the other steps.

5. The process for producing hydrolyzed feather meal as claimed in claim 4, wherein: in the preprocessing step S01, the raw material is subjected to irradiation processing with gamma rays in a separate irradiation chamber.

6. The process for producing hydrolyzed feather meal as claimed in claim 5, wherein: in the preprocessing step S01, the raw material in the irradiation chamber is divided into a plurality of layers to be irradiated.

7. The process for producing hydrolyzed feather meal as claimed in claim 6, wherein: in the preprocessing step S01, a separate conveyor is used as the conveyor in the irradiation chamber.

8. The process of claim 7, wherein the hydrolyzed feather meal comprises: in the preprocessing step S01, a gap in the forward direction is formed between the front conveyor belt in front of the radiation chamber and the rear conveyor belt behind the radiation chamber, and the conveyor belt in the radiation chamber, and the entrance and exit of the radiation chamber are provided with lead doors, so that the radiation chamber is completely sealed during radiation.

9. The process of claim 8, wherein the hydrolyzed feather meal comprises: in the preprocessing step S01, the raw material is placed on a multi-layer frame and enters the radiation chamber via a front conveyor belt, and the conveyor belt in the radiation chamber is a reversible conveyor belt.

10. The process for producing hydrolyzed feather meal as claimed in claim 2, wherein: in the pretreatment step S01, the raw material is located on the upper layer, the production equipment is located on the upper layer, and the raw material sequentially passes through an upper input end, an upper outlet end, a lower input end, and a lower outlet end, the upper input end and the lower outlet end being the same end, and the upper outlet end and the lower inlet end being the same end.

Technical Field

The invention belongs to the technical field of hydrolyzed feather powder production, and particularly relates to a production process of hydrolyzed feather powder.

Background

The conditions of self-pecking or reciprocal pecking, anus pecking, toe pecking, egg pecking and even dung pecking, which are commonly referred to as feather pecking or craving, are frequently encountered by the farmed poultry animals. Feather pecking not only seriously affects its value, but also causes anemia, dermatitis, fragile and easily broken feathers, dark hair color and sometimes causes parasite breeding. Therefore, feather picking needs to be prevented and cured early. The hydrolyzed feather powder contains about 80-85% of crude protein, the content of sulfur-containing amino acid is the first of all natural feeds, the content of valine, leucine and isoleucine is the first, but the content of lysine and tryptophan is not high, and the hydrolyzed feather powder has good therapeutic effect on feather pecking. Feather pecking disease contains abundant sulfur and amino acid, is fed in spring and autumn hair-changing seasons, is beneficial to growth and development of plush, and simultaneously has the effects of reducing phenomena of feather jumping when chicken and duck peck anus, self-biting and hair eating of mink and fox. .

At present, the main treatment methods of feathers include high-temperature high-pressure hydrolysis, chemical hydrolysis, enzymatic hydrolysis, puffing and microbial degradation. The most widely used method for high-temperature and high-pressure hydrolysis is to generate hot steam by a boiler, then introduce the hot steam into a hydrolysis tank, and the feather structure in the hydrolysis tank changes under the high-temperature and high-pressure environment, so that the protein is hydrolyzed.

The existing feather powder processing equipment has the following treatment processes: conveying the materials to a hydrolysis tank through a conveying belt → performing high-temperature and high-pressure sterilization, pressure relief and waste gas treatment → drying, cooling and screening → performing dust removal and related waste gas treatment → storing, weighing, packaging and warehousing. The existing feather powder production process has unreasonable layout, energy recovery, waste treatment and the like, and has improved space.

Disclosure of Invention

The invention provides a production process of hydrolyzed feather meal aiming at the unreasonable part of the existing production process of feather meal, so as to improve at least one of the aspects of layout, energy recovery, waste treatment and the like.

In order to achieve the purpose, the invention adopts the following technical scheme: a production process of hydrolyzed feather meal comprises the following steps:

s1, feeding, wherein in the step, raw materials are conveyed to a hydrolysis tank through a conveying belt, wherein the raw materials are located on one layer of a workshop, and production equipment is located on the other layer of the workshop;

s2, hydrolyzing, releasing pressure and treating waste gas, wherein in the step, the material enters a hydrolysis tank and is subjected to high-temperature and high-pressure treatment, the pressure is released and the gas is exhausted, the waste gas firstly enters a dust fall buffer tank, the waste gas subjected to dust fall treatment enters a condenser for treatment, and a small amount of gas which cannot be condensed is subjected to spray treatment by a waste purification tower;

s3, drying, wherein in the step, after pressure relief is finished, the materials are respectively conveyed into a dryer through a screw conveyer provided with a draught fan;

s4, separating oil from materials, wherein in the step, the dried materials directly fall into a rake storage bin for temporary storage; according to the processing capacity of the screw oil press, sequentially entering a squeezing link for oil and substance separation, entering the produced squeezed cake into a cooling link for processing, entering the produced oil into a heated oil sedimentation tank, and canning and storing the precipitated oil;

s5, cooling, preventing dust and treating related waste gas, wherein in the step, the separated materials are sent to a cooler by a closed spiral conveyor for cooling, a dryer and the cooler are included in the period, the waste gas of the closed conveyor passes through a spiral dust-settling device, and then the dust-settling treatment is carried out by sucking the waste gas into a condenser by a draught fan;

and S6, screening and crushing, storing and packaging, warehousing, cooling the materials, conveying the cooled materials into a screening and crushing unit by a screw conveyor, crushing the materials, and conveying the crushed materials into a storage bin through a screw dust falling port by a fan for bag receiving and packaging.

According to the production process of the hydrolyzed feather powder, the charging problem of high-temperature and high-pressure treatment equipment and the relevant regulations that harmless treatment must be separated from each other are considered in the feeding link, a workshop is designed into a two-layer mode, the labor intensity of feeding of workers is reduced, and the defect that materials are mixed with finished products due to messy sprinkling and floating is avoided; in the waste gas treatment link, through a plurality of equipment, the whole pressure-relieved waste gas is completely treated and decomposed to reach the waste gas emission standard.

As a modification, the production process further includes a pretreatment step S01 in which the raw material is irradiated with a radiation ray in a pretreatment step S01. The irradiation can make the primary structure of keratin generate oxidation and deamination. Meanwhile, some disulfide bonds, hydrogen bonds, salt bonds and ether bonds of the keratin can be broken to further change the secondary and tertiary structures of the keratin, and the hydrolysis of the keratin and other proteins which are difficult to degrade and utilize can be effectively promoted by combining with other methods, so that the keratin and other proteins can be converted into proteins which can be absorbed by animals, and the utilization rate of the proteins is improved. The feather powder is cleaned and dried before the pretreatment.

As a modification, in the preprocessing step S01, the raw material is irradiated with gamma rays. The gamma ray can also ionize and excite water in cells to form free radicals, so that the tissue structure is changed, and hydrolysis of feathers is facilitated.

As a modification, in the preprocessing step S01, the radiation dose of the gamma ray is less than 100kGy, and the irradiation time is not more than the maximum required time of the other steps. The raw materials are treated by adopting smaller dosage, so that the risk is smaller; the irradiation time is not more than the maximum required time of other steps, thereby realizing continuous production.

As a modification, in the preprocessing step S01, the raw material is subjected to irradiation processing with gamma rays in a separate irradiation chamber.

As a modification, in the pretreatment step S01, the raw material in the irradiation chamber is divided into a plurality of layers to be subjected to irradiation treatment.

As a modification, in the preprocessing step S01, a separate conveyor is used as the conveyor in the irradiation chamber.

As an improvement, in the pretreatment step S01, a gap in the advancing direction is formed between a front conveying belt in front of the radiation chamber and a rear conveying belt behind the radiation chamber and the conveying belts in the radiation chamber, a lead door is arranged at the entrance and exit of the radiation chamber, and the radiation chamber is completely sealed during radiation so as to ensure safety and reduce the possibility, duration and dosage of human body contact radiation.

As a modification, in the pretreatment step S01, the raw material is placed on the multi-layer frame and enters the radiation chamber through a front conveying belt, and the conveying belt in the radiation chamber is a reversible conveying belt so as to reduce the exposure of the multi-layer frame.

As a modification, in the pretreatment step S01, the raw material is located at the upper layer, the production equipment is located at the upper layer, and the raw material sequentially passes through an upper input end, an upper output end, a lower input end, and a lower output end, the upper input end and the lower output end being the same end, and the upper output end and the lower input end being the same end.

The production process of the hydrolyzed feather powder has the beneficial effects that: the workshop is designed into a two-layer mode, so that the labor intensity of feeding by workers is reduced, and the defect that materials are mixed with finished products due to messy spreading and floating is avoided; in the waste gas treatment link, through a plurality of equipment, the whole pressure-relieved waste gas is completely treated and decomposed to reach the waste gas emission standard. Furthermore, the raw material is pretreated by gamma ray, although the direct degradation effect of irradiation on the feather powder is limited, the degradation of the keratin can be promoted by the action of disulfide bonds, hydrogen bonds, salt bonds, ether bonds and the like in the keratin, and the feather powder can be effectively degraded by combining with other methods.

Drawings

FIG. 1 is a block diagram of the steps of a hydrolyzed feather meal production process according to a first embodiment of the present invention.

FIG. 2 is a block diagram of the steps of a hydrolyzed feather meal production process of example two of the present invention.

FIG. 3 is a schematic flow chart of a hydrolysis tank for producing hydrolyzed feather meal in the third embodiment of the present invention.

In the figure, the arrows indicate the travel path of the material and the broken lines indicate the travel path of the exhaust gas.

Detailed Description

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Other embodiments obtained by persons skilled in the art without any inventive work based on the embodiments in the embodiment belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a process for producing hydrolyzed feather meal of the present invention comprises the steps of:

s1, feeding, wherein in the step, raw materials are conveyed to a hydrolysis tank through a conveying belt, wherein the raw materials are located on one layer of a workshop, and production equipment is located on the other layer of the workshop;

s2, hydrolyzing, releasing pressure and treating waste gas, wherein in the step, the material enters a hydrolysis tank and is subjected to high-temperature and high-pressure treatment, the pressure is released and the gas is exhausted, the waste gas firstly enters a dust fall buffer tank, the waste gas subjected to dust fall treatment enters a condenser for treatment, and a small amount of gas which cannot be condensed is subjected to spray treatment by a waste purification tower;

s3, drying, wherein in the step, after pressure relief is finished, the materials are respectively conveyed into a dryer through a screw conveyer provided with a draught fan;

s4, separating oil from materials, wherein in the step, the dried materials directly fall into a rake storage bin for temporary storage; according to the processing capacity of the screw oil press, sequentially entering a squeezing link for oil and substance separation, entering the produced squeezed cake into a cooling link for processing, entering the produced oil into a heated oil sedimentation tank, and canning and storing the precipitated oil;

s5, cooling, preventing dust and treating related waste gas, wherein in the step, the separated materials are sent to a cooler by a closed spiral conveyor for cooling, a dryer and the cooler are included in the period, the waste gas of the closed conveyor passes through a spiral dust-settling device, and then the dust-settling treatment is carried out by sucking the waste gas into a condenser by a draught fan;

and S6, screening and crushing, storing and packaging, warehousing, cooling the materials, conveying the cooled materials into a screening and crushing unit by a screw conveyor, crushing the materials, and conveying the crushed materials into a storage bin through a screw dust falling port by a fan for bag receiving and packaging.

According to the production process of the hydrolyzed feather powder, the charging problem of high-temperature and high-pressure treatment equipment and the relevant regulations that harmless treatment must be separated from each other are considered in the feeding link, a workshop is designed into a two-layer mode, the labor intensity of feeding of workers is reduced, and the defect that materials are mixed with finished products due to messy sprinkling and floating is avoided; in the waste gas treatment link, through a plurality of equipment, the whole pressure-relieved waste gas is completely treated and decomposed to reach the waste gas emission standard.

Example one

Referring to fig. 1, a process for producing hydrolyzed feather meal according to a first embodiment of the present invention includes the following steps:

s1, feeding, wherein in the step, raw materials are conveyed to a hydrolysis tank through a conveying belt, wherein the raw materials are located on one layer of a workshop, and production equipment is located on the other layer of the workshop;

s2, hydrolyzing, releasing pressure and treating waste gas, wherein in the step, the material enters a hydrolysis tank and is subjected to high-temperature and high-pressure treatment, the pressure is released and the gas is exhausted, the waste gas firstly enters a dust fall buffer tank, the waste gas subjected to dust fall treatment enters a condenser for treatment, and a small amount of gas which cannot be condensed is subjected to spray treatment by a waste purification tower;

s3, drying, wherein in the step, after pressure relief is finished, the materials are respectively conveyed into a dryer through a screw conveyer provided with a draught fan;

s4, separating oil from materials, wherein in the step, the dried materials directly fall into a rake storage bin for temporary storage; according to the processing capacity of the screw oil press, sequentially entering a squeezing link for oil and substance separation, entering the produced squeezed cake into a cooling link for processing, entering the produced oil into a heated oil sedimentation tank, and canning and storing the precipitated oil;

s5, cooling, preventing dust and treating related waste gas, wherein in the step, the separated materials are sent to a cooler by a closed spiral conveyor for cooling, a dryer and the cooler are included in the period, the waste gas of the closed conveyor passes through a spiral dust-settling device, and then the dust-settling treatment is carried out by sucking the waste gas into a condenser by a draught fan;

and S6, screening and crushing, storing and packaging, warehousing, cooling the materials, conveying the cooled materials into a screening and crushing unit by a screw conveyor, crushing the materials, and conveying the crushed materials into a storage bin through a screw dust falling port by a fan for bag receiving and packaging.

Example two

The difference between the second embodiment and the first embodiment is that the method further comprises a pretreatment step.

Referring to fig. 2 and 3, as a modification, the production process further includes a pretreatment step S01 in which the raw material is irradiated with a radiation ray in a pretreatment step S01. The irradiation can make the primary structure of keratin generate oxidation and deamination. Meanwhile, some disulfide bonds, hydrogen bonds, salt bonds and ether bonds of the keratin can be broken to further change the secondary and tertiary structures of the keratin, and the hydrolysis of the keratin and other proteins which are difficult to degrade and utilize can be effectively promoted by combining with other methods, so that the keratin and other proteins can be converted into proteins which can be absorbed by animals, and the utilization rate of the proteins is improved.

As a modification, in the preprocessing step S01, the raw material is irradiated with gamma rays. The gamma ray can also ionize and excite water in cells to form free radicals, so that the tissue structure is changed, and hydrolysis of feathers is facilitated.

As a modification, in the preprocessing step S01, the radiation dose of the gamma ray is less than 100kGy, and the irradiation time is not more than the maximum required time of the other steps. The raw materials are treated by adopting smaller dosage, so that the risk is smaller; the irradiation time is not more than the maximum required time of other steps, thereby realizing continuous production.

As a modification, in the preprocessing step S01, the raw material is subjected to irradiation processing with gamma rays in a separate irradiation chamber.

As a modification, in the pretreatment step S01, the raw material in the irradiation chamber is divided into a plurality of layers to be subjected to irradiation treatment.

As a modification, in the preprocessing step S01, a separate conveyor is used as the conveyor in the irradiation chamber.

As an improvement, in the pretreatment step S01, a gap in the advancing direction is formed between a front conveying belt in front of the radiation chamber and a rear conveying belt behind the radiation chamber and the conveying belts in the radiation chamber, a lead door is arranged at the entrance and exit of the radiation chamber, and the radiation chamber is completely sealed during radiation so as to ensure safety and reduce the possibility, duration and dosage of human body contact radiation.

As a modification, in the pretreatment step S01, the raw material is placed on the multi-layer frame and enters the radiation chamber through a front conveying belt, and the conveying belt in the radiation chamber is a reversible conveying belt so as to reduce the exposure of the multi-layer frame.

As a modification, in the pretreatment step S01, the raw material is located at the upper layer, the production equipment is located at the upper layer, and the raw material sequentially passes through an upper input end, an upper output end, a lower input end, and a lower output end, the upper input end and the lower output end being the same end, and the upper output end and the lower input end being the same end.

The production process of the hydrolyzed feather powder of the embodiment II of the invention has the beneficial effects that: the workshop is designed into a two-layer mode, so that the labor intensity of feeding by workers is reduced, and the defect that materials are mixed with finished products due to messy spreading and floating is avoided; in the waste gas treatment link, through a plurality of devices, the whole pressure-relieved waste gas is completely treated and decomposed to reach the waste gas emission standard; the raw materials are pretreated by gamma rays, although the direct degradation effect of irradiation on the feather powder is limited, the degradation of the keratin can be promoted by the action of disulfide bonds, hydrogen bonds, salt bonds, ether bonds and the like in the keratin, and the feather powder can be effectively degraded by combining with other methods.

While the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.