阅读说明：本技术 一种颜色可转移生物纤维素肠衣生产工艺 (Production process of color-transferable biological cellulose sausage casing ) 是由 董正祥 马天忠 王文星 李逢波 徐义帆 马后文 郭华伟 于 2021-08-24 设计创作，主要内容包括：本申请公开了一种颜色可转移生物纤维素肠衣生产工艺,所述生产工艺如下：粘胶制备,过滤和脱泡处理,成型和再生反应,水洗和脱硫处理,染色及塑化处理,预干燥和干燥处理,调湿处理,卷取处理,套缩处理,包装打件。本申请采用天然纤维素木浆(棉桨)为原料,产品可自然降解,绿色无污染,是一种绿色环保的食品包装材料,具有优越的透水性能和透气性能,可以实现更好的烟熏效果,保湿性能良好,熏蒸出来的香肠风味更佳,且在肉肠蒸煮过程中,可以使肠衣表面的颜色能够从肠衣表面上转移到香肠的肉表面,在香肠表面形成客户需求的鲜艳的肉质色泽,且形成独特的香味。(The application discloses a production process of a color-transferable biological cellulose sausage casing, which comprises the following steps: preparing viscose, filtering and defoaming, forming and regenerating reaction, washing and desulfurizing, dyeing and plasticizing, pre-drying and drying, humidifying, coiling, shrinking and packing. This application adopts natural cellulose wood pulp (cotton pulp) as the raw materials, but the product natural degradation, and green is pollution-free, is a green's food packaging material, has superior water permeability and air permeability, can realize better smoking effect, the moisturizing performance is good, the sausage flavor of fumigating out is better, and in the meat intestines cooking process, can make the surperficial colour of casing can follow the casing and transfer to the meat surface of sausage on the surface, form the bright-colored meat color and luster of customer's demand on the sausage surface, and form unique fragrance.)

1. A production process of a color-transferable biological cellulose sausage casing is characterized by comprising the following steps: the production process comprises the following steps:

step one, preparing viscose, namely selecting various dissolving pulps, then performing alkalization treatment on the selected dissolving pulps to obtain alkali cellulose, and performing aging, yellowing, post-dissolving, ripening and other processes on the obtained alkali cellulose under reasonable process conditions to obtain a semi-finished product of the high-viscosity viscose for the biological cellulose sausage casing;

step two, filtering and defoaming treatment, namely performing multiple filtering and defoaming treatment on the cellulose casing obtained in the step one by using high-viscosity viscose to obtain a finished product of the high-viscosity viscose for the biological cellulose casing;

step three, forming and regeneration reaction, namely performing extrusion forming on the bio-cellulose casing finished product obtained in the step two by using cellulose casing extrusion forming equipment, then performing coagulation bath treatment reaction on the preliminarily formed cellulose casing, gradually performing coagulation forming to obtain a formed tubular cellulose film, and continuously spraying a prepared coagulation bath to the tubular cellulose film in a forming system for controlling the regeneration reaction speed of the tubular cellulose film;

step four, water washing and desulfurization treatment, namely introducing the tubular cellulose film obtained in the step three into water washing tank equipment for water washing to obtain a cellulose casing after water washing, then continuously introducing the cellulose casing after water washing into desulfurization tank equipment for desulfurization treatment, and introducing the cellulose casing into subsequent water washing tank equipment for continuous water washing after desulfurization to obtain a desulfurized biological cellulose casing;

step five, dyeing and plasticizing, namely introducing the desulfurized cellulose casing obtained in the step four into dyeing and plasticizing equipment for dyeing and plasticizing, adding prepared food-grade dye and plasticizing liquid into the dyeing and plasticizing equipment, and obtaining a wet-state color-transferable biological cellulose casing semi-finished product with good coloring effect under the control of conditions such as proper temperature and the like;

step six, pre-drying and drying treatment, wherein the dyed and plasticized wet-state color-transferable biological cellulose casing obtained in the step five is pre-dried under natural conditions and then enters drying equipment for mechanical drying treatment to obtain a dried semi-finished product of the color-transferable biological cellulose casing;

step seven, humidifying, namely continuously guiding the dried color-transferable cellulose casing obtained in the step six into humidifying equipment for humidifying, and adjusting indexes such as humidity of the biological cellulose casing in real time according to the product index requirement to obtain a tubular color-transferable biological cellulose casing conforming to the shrinkage index;

step eight, reeling, namely introducing the tubular color-transferable biological cellulose casing obtained in the step seven into reeling equipment for reeling, and reeling into a disc to obtain a semi-finished product of the color-transferable biological cellulose casing to be shrunk;

step nine, shrink-fitting treatment, namely shrinking the color-transferable biological cellulose casing semi-finished product obtained in the step eight into a cellulose casing shrinkage stick with a size specified by a customer after spraying and lubricating prepared shrinkage liquid by using cellulose casing shrinkage equipment to obtain a color-transferable biological cellulose casing finished product;

and step ten, packaging and packaging, namely packaging and packaging the finished product of the transferable biological cellulose sausage casing with the color obtained in the step nine, and sending the finished product into a warehouse.

2. A process for producing a color transferable biocellulose casing as claimed in claim 1 wherein: the method is characterized in that the raw material in the first step is common wood pulp (cotton pulp) with high polymerization degree, a desulfurization solution of sodium hydroxide is added into desulfurization tank equipment in the fourth step, the pH value of the desulfurization solution is 7.5-13.5, the temperature is 35-45 ℃, and the desulfurization water flow speed is 90-130L/min.

3. A process for producing a color transferable biocellulose casing as claimed in claim 1 wherein: and the step four, the water washing process, comprises the steps of cold water tank washing, weak acid tank washing and clear water tank washing in sequence.

4. A process for producing a color transferable biocellulose casing as claimed in claim 1 wherein: and the dyeing and plasticizing treatment in the fifth step comprises preparation of plasticizing liquid and preparation of dye, wherein the main component of the plasticizing liquid is glycerol, and the preparation of the dye comprises dye proportioning, temperature control and continuous acceleration processes.

5. A process according to claim 4 for the production of a colour transferable biocellulose casing, characterized in that: the pH value of the plasticizing liquid is 6-9, the temperature of the plasticizing liquid is 60-80 ℃, and the dye is edible dye which passes international food certification.

6. A process for producing a color transferable biocellulose casing as claimed in claim 1 wherein: and in the fifth step, the cellulose casing subjected to desulfurization before plasticizing treatment is subjected to bleaching treatment by bleaching equipment.

7. A process for producing a color transferable biocellulose casing as claimed in claim 1 wherein: in the sixth step, the cellulose casing is aerated by adopting compressed air for mechanical drying, and the inner side and the outer side of the cellulose casing are simultaneously dried.

8. A process for producing a color transferable biocellulose casing as claimed in claim 1 wherein: the concentration of the coagulation bath for the coagulation bath treatment in the third step is 20-95g/l, and the temperature range is 25-60 ℃.

9. A process for producing a color transferable biocellulose casing as claimed in claim 1 wherein: the water washing tank equipment in the fourth step is added with softened water, the temperature range is 40-70 ℃, and the washing dosage is 180-300L/min.

10. A process for producing a color transferable biocellulose casing as claimed in claim 1 wherein: the waste water that the processing produced of washing and desulfurization in step four is sent into sewage treatment station and is handled, waste gas that produces in shaping and the regeneration reaction in step three carries out recovery processing through recovery plant, the diluted coagulation bath of shaping and the regeneration reaction in step three is through retrieving the adjustment, then handles through company's coagulation bath station, then adds and continues to recycle in shaping and the regeneration reaction treatment process.

Technical Field

The application relates to the field of new biological cellulose materials and the field of food packaging materials, in particular to a production process of a biological cellulose sausage casing with a transferable color.

Background

The biological cellulose casing is made up by using natural cellulose of natural wood pulp (cotton pulp) and making them pass through the processes of alkalization, ageing, yellowing, curing, forming and water-washing and plasticizing, etc. so as to obtain the invented completely biodegradable sausage packaging material. Cellulose is chemically treated to form a sticky solution, the cellulose is formed into polycellulose in an acidic environment through nozzles with different specifications, food-grade glycerol, propylene glycol, mineral oil, a surfactant, a pigment and water can be used in a casing matrix, various indexes of casing shrinkage are kept to meet requirements, the casing is easy to peel after sausage filling and use, the cellulose casing is not edible and has similar functions to collagen casing, and according to different processing technologies of the cellulose casing, the casing is divided into a transparent cellulose casing, a colored stripe cellulose casing, a colored cellulose casing with non-transferable colors, a colored cellulose casing with transferable colors, a cellulose casing with printing effect, cellulose casings with different calibers, different rod lengths and different inner holes and other series products.

At present, the color cellulose sausage casing on the domestic market has relatively poor water permeability, moisture retention and air permeability, and does not have the performance that the color can be transferred from the surface of the sausage casing to the surface of sausage meat. Therefore, a process for producing a color transferable biocellulose casing has been proposed in response to the above problems.

Disclosure of Invention

The embodiment provides a production process of a color-transferable biological cellulose casing, which is used for solving the problems that the cellulose casing in the current domestic market in the prior art is poor in water permeability, moisture retention performance and air permeability, and the color of the casing cannot be transferred to the meat surface of sausage from the surface of the casing.

According to one aspect of the present application, there is provided a process for producing a color transferable bio-cellulose casing, the process comprising:

step one, preparing viscose, namely selecting various dissolving pulps, then performing alkalization treatment on the selected dissolving pulps to obtain alkali cellulose, and performing aging, yellowing, post-dissolving, ripening and other processes on the obtained alkali cellulose under reasonable process conditions to obtain a semi-finished product of the high-viscosity viscose for the biological cellulose sausage casing;

step two, filtering and defoaming treatment, namely performing multiple filtering and defoaming treatment on the cellulose casing obtained in the step one by using high-viscosity viscose to obtain a finished product of the high-viscosity viscose for the biological cellulose casing;

step three, forming and regeneration reaction, namely performing extrusion forming on the bio-cellulose casing finished product obtained in the step two by using cellulose casing extrusion forming equipment, then performing coagulation bath treatment reaction on the preliminarily formed cellulose casing, gradually performing coagulation forming to obtain a formed tubular cellulose film, and continuously spraying a prepared coagulation bath to the tubular cellulose film in a forming system for controlling the regeneration reaction speed of the tubular cellulose film;

step four, water washing and desulfurization treatment, namely introducing the tubular cellulose film obtained in the step three into water washing tank equipment for water washing to obtain a cellulose casing after water washing, then continuously introducing the cellulose casing after water washing into desulfurization tank equipment for desulfurization treatment, and introducing the cellulose casing into subsequent water washing tank equipment for continuous water washing after desulfurization to obtain a desulfurized biological cellulose casing;

step five, dyeing and plasticizing, namely introducing the desulfurized cellulose casing obtained in the step four into dyeing and plasticizing equipment for dyeing and plasticizing, adding prepared food-grade dye and plasticizing liquid into the dyeing and plasticizing equipment, and obtaining a wet-state color-transferable biological cellulose casing semi-finished product with good coloring effect under the control of conditions such as proper temperature and the like;

step six, pre-drying and drying treatment, wherein the dyed and plasticized wet-state color-transferable biological cellulose casing obtained in the step five is pre-dried under natural conditions and then enters drying equipment for mechanical drying treatment to obtain a dried semi-finished product of the color-transferable biological cellulose casing;

step seven, humidifying, namely continuously guiding the dried color-transferable cellulose casing obtained in the step six into humidifying equipment for humidifying, and adjusting indexes such as humidity of the biological cellulose casing in real time according to the product index requirement to obtain a tubular color-transferable biological cellulose casing conforming to the shrinkage index;

step eight, reeling, namely introducing the tubular color-transferable biological cellulose casing obtained in the step seven into reeling equipment for reeling, and reeling into a disc to obtain a semi-finished product of the color-transferable biological cellulose casing to be shrunk;

step nine, shrink-fitting treatment, namely shrinking the color-transferable biological cellulose casing semi-finished product obtained in the step eight into a cellulose casing shrinkage stick with a size specified by a customer after spraying and lubricating prepared shrinkage liquid by using cellulose casing shrinkage equipment to obtain a color-transferable biological cellulose casing finished product;

and step ten, packaging and packaging, namely packaging and packaging the finished product of the transferable biological cellulose sausage casing with the color obtained in the step nine, and sending the finished product into a warehouse.

Further, the raw material in the first step is common wood pulp with high polymerization degree, the desulfurization tank equipment in the fourth step is added with a sodium hydroxide desulfurization solution, the pH value of the desulfurization solution is 7.5-13.5, the temperature is 35-45 ℃, and the desulfurization water flow speed is 90-130L/min.

Further, the step four of the water washing procedure comprises the steps of cold water tank washing, weak acid tank washing and clear water tank washing in sequence.

Further, the dyeing plasticizing treatment in the fifth step comprises plasticizing liquid preparation and dye preparation, wherein the main component of the plasticizing liquid is glycerol, and the dye preparation comprises dye proportioning, temperature control and continuous acceleration processes.

Further, the pH value of the plasticizing liquid is 6-9, the temperature of the plasticizing liquid is 60-80 ℃, and the dye is an edible dye which passes the certification.

And further, the cellulose casing subjected to desulfurization before the dyeing and plasticizing treatment in the fifth step is subjected to bleaching treatment by a bleaching device.

Further, in the sixth step, the mechanical drying uses compressed air to inflate the cellulose sausage casing, and the cellulose sausage casing is dried on the inner side and the outer side simultaneously.

Further, the concentration of the coagulation bath treated by the coagulation bath in the third step is 20-95g/l, and the temperature range is 25-60 ℃.

Furthermore, softened water is added into the water washing tank equipment in the fourth step, the temperature range is 40-70 ℃, and the washing amount is 180-300L/min.

And further, wastewater generated by the water washing and desulfurization treatment in the fourth step is sent to a sewage treatment station for treatment, waste gas generated by the forming and regeneration reaction in the third step is recycled by recycling equipment, and a dilute coagulating bath of the forming and regeneration reaction in the third step is recycled and adjusted, then is treated by a coagulating bath station of a company and then is added into the forming and regeneration reaction treatment process for continuous use.

By adopting the optimized viscose glue production process, the color transferable cellulose casing dyeing process, the optimized color transferable cellulose casing shrinkage liquid preparation process and the like, the problems that the cellulose casing in the current domestic market has poor water permeability, moisture retention and air permeability are solved, and the color of the cellulose casing can not be transferred to the meat surface of the sausage from the casing, so that the cellulose casing can be naturally degraded, is green and pollution-free, has excellent water permeability and air permeability, can realize better smoking effect, has good moisture retention performance, has better sausage flavor after being fumigated, can meet the requirements of sausage filling enterprises, in the process of cooking the sausage, the color of the surface of the cellulose casing can be transferred from the casing to the surface of the sausage, and the color and luster which are liked by customers can be formed on the controlled sausage, so that the unique flavor is formed.

Drawings

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

FIG. 1 is a schematic diagram of an overall process flow according to an embodiment of the present application.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, a process for producing a color transferable bio-cellulose casing is shown, which comprises:

step one, preparing viscose, namely selecting various dissolving pulps, then performing alkalization treatment on the selected dissolving pulps to obtain alkali cellulose, and performing aging, yellowing, post-dissolving, ripening and other processes on the obtained alkali cellulose under reasonable process conditions to obtain a semi-finished product of the high-viscosity viscose for the biological cellulose sausage casing;

step two, filtering and defoaming treatment, namely performing multiple filtering and defoaming treatment on the cellulose casing obtained in the step one by using high-viscosity viscose to obtain a finished product of the high-viscosity viscose for the biological cellulose casing;

step three, forming and regeneration reaction, namely performing extrusion forming on the bio-cellulose casing finished product obtained in the step two by using cellulose casing extrusion forming equipment, then performing coagulation bath treatment reaction on the preliminarily formed cellulose casing, gradually performing coagulation forming to obtain a formed tubular cellulose film, and continuously spraying a prepared coagulation bath to the tubular cellulose film in a forming system for controlling the regeneration reaction speed of the tubular cellulose film;

step four, water washing and desulfurization treatment, namely introducing the tubular cellulose film obtained in the step three into water washing tank equipment for water washing to obtain a cellulose casing after water washing, then continuously introducing the cellulose casing after water washing into desulfurization tank equipment for desulfurization treatment, and introducing the cellulose casing into subsequent water washing tank equipment for continuous water washing after desulfurization to obtain a desulfurized biological cellulose casing;

step five, dyeing and plasticizing, namely introducing the desulfurized cellulose casing obtained in the step four into dyeing and plasticizing equipment for dyeing and plasticizing, adding prepared food-grade dye and plasticizing liquid into the dyeing and plasticizing equipment, and obtaining a wet-state color-transferable biological cellulose casing semi-finished product with good coloring effect under the control of conditions such as proper temperature and the like;

step six, pre-drying and drying treatment, wherein the dyed and plasticized wet-state color-transferable biological cellulose casing obtained in the step five is pre-dried under natural conditions and then enters drying equipment for mechanical drying treatment to obtain a dried semi-finished product of the color-transferable biological cellulose casing;

step seven, humidifying, namely continuously guiding the dried color-transferable cellulose casing obtained in the step six into humidifying equipment for humidifying, and adjusting indexes such as humidity of the biological cellulose casing in real time according to the product index requirement to obtain a tubular color-transferable biological cellulose casing conforming to the shrinkage index;

step eight, reeling, namely introducing the tubular color-transferable biological cellulose casing obtained in the step seven into reeling equipment for reeling, and reeling into a disc to obtain a semi-finished product of the color-transferable biological cellulose casing to be shrunk;

step nine, shrink-fitting treatment, namely shrinking the color-transferable biological cellulose casing semi-finished product obtained in the step eight into a cellulose casing shrinkage stick with a size specified by a customer after spraying and lubricating prepared shrinkage liquid by using cellulose casing shrinkage equipment to obtain a color-transferable biological cellulose casing finished product;

and step ten, packaging and packaging, namely packaging and packaging the finished product of the transferable biological cellulose sausage casing with the color obtained in the step nine, and sending the finished product into a warehouse.

The raw material in the first step is common wood pulp with high polymerization degree, a desulfurization solution of sodium hydroxide is added into desulfurization tank equipment in the fourth step, the pH value of the desulfurization solution is 7.5-13.5, the temperature is 35-45 ℃, and the desulfurization water flow speed is 90-130L/min; the step four of the water washing procedure comprises the steps of cold water tank washing, weak acid tank washing and clear water tank washing in sequence; the plasticizing treatment in the fifth step comprises plasticizing liquid preparation and dye preparation, wherein the main component of the plasticizing liquid is glycerol, and the dye preparation comprises dye proportioning, temperature control and continuous acceleration processes; the pH value of the plasticizing liquid is 6-9, the temperature of the plasticizing liquid is 60-80 ℃, and the dye is edible dye; the cellulose casing after desulfurization before plasticizing treatment in the fifth step is firstly bleached by bleaching equipment; in the sixth step, the cellulose casing is aerated by adopting compressed air for mechanical drying, and the inner side and the outer side of the cellulose casing are simultaneously dried; the concentration of the acid bath for the acid bath treatment in the third step is 20-95g/l, and the temperature range is 25-60 ℃; adding softened water into the water washing tank equipment in the fourth step, wherein the temperature range is 40-70 ℃, and the washing amount is 180-300L/min; the waste water that the processing produced in washing and desulfurization in step four is sent into sewage treatment station and is handled, waste gas that produces in shaping and the regeneration reaction in step three carries out recovery processing through recovery plant, the dilute sulphuric acid of shaping and regeneration reaction in step three is through retrieving the adjustment, then is handled through company's acid station, then adds and continues to use in shaping and the regeneration reaction treatment process.

This application contracts through the cover and handles, can improve the cover and contract the homogeneity that the liquid was prepared and the stability of spraying pressure, improves the casing inside and outside coating result of use, and inside moisture and the gas of smoking can permeate into the casing fast when promoting the sausage to cook, the sausage surface can be transferred from the casing to the colour.

The application has the advantages that:

this application adopts natural wood pulp (cotton pulp) as the raw materials, but the product natural degradation, and green is pollution-free, is a green's packaging material, has superior water permeability and air permeability, can realize better smoking and the coloring effect of sausage, and the moisturizing performance is good, and the sausage flavor that the fumigation came out is better, in the meat intestines cooking process, make the colour of casing can follow the casing and transfer to the meat surface of sausage, can form bright-colored color and luster on the sausage of control, form unique fragrance.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.