阅读说明：本技术 一种水稻育苗盖籽膜的制造方法 (Method for manufacturing rice seedling raising seed covering film ) 是由 朱林 于 2020-07-27 设计创作，主要内容包括：本发明公开了一种水稻育苗盖籽膜的制造方法,包括步骤一,研磨；步骤二,合成；步骤三,糙制；步骤四,涂胶；步骤五,粘合；步骤六,卷制；该发明用可降解无纺布的盖籽膜育苗取代了传统土盖和塑料薄膜包覆的育苗方式,不仅避免了土传病害和土传药害等问题,减少了对环境的污染,降低了生产人员的劳动强度,节省了水稻的育苗成本,有利于水稻的大面积育苗,在保水剂和磷肥混拌液中添加耐磨微粉,提高了盖籽膜的耐磨性能,避免了育苗过程中盖膜的破损问题,确保了水稻种籽的正常生长,防止了水稻的减产,保障了生产人员的劳动成果,在盖籽膜降解后也将硅、锌、钾和硼有益元素补充进土壤中,进一步促进了水稻的生长。(The invention discloses a method for manufacturing a rice seedling raising seed covering film, which comprises the following steps of grinding; step two, synthesis; step three, rough processing; step four, gluing; step five, bonding; step six, rolling; according to the invention, the traditional seedling raising mode of covering soil and covering a plastic film with the seed covering film capable of degrading the non-woven fabric is replaced, the problems of soil-borne diseases, soil-borne chemical hazards and the like are avoided, the pollution to the environment is reduced, the labor intensity of production personnel is reduced, the seedling raising cost of rice is saved, the large-area seedling raising of rice is facilitated, the wear-resistant micro powder is added into the water-retaining agent and phosphate fertilizer mixed solution, the wear-resistant performance of the seed covering film is improved, the damage problem of the seed covering film in the seedling raising process is avoided, the normal growth of rice seeds is ensured, the yield reduction of rice is prevented, the labor achievement of the production personnel is ensured, the beneficial elements of silicon, zinc, potassium and boron are also supplemented into the soil after the seed covering film is degraded, and the growth of rice is further promoted.)

1. A method for manufacturing a rice seedling raising seed covering film comprises the following steps: step one, grinding; step two, synthesis; step three, rough processing; step four, gluing; step five, bonding; step six, rolling; the method is characterized in that:

in the first step, putting a proper amount of the water-retaining agent into a flour mill, grinding the mixture to a proper grain size, and collecting the product by a cyclone separator to prepare water-retaining agent dry powder;

in the second step, the water-retaining agent dry powder prepared in the first step is put into a mixing machine, an appropriate amount of phosphate fertilizer mixing liquid is injected into the mixing machine, the phosphate fertilizer mixing liquid is sprayed on the surface of the water-retaining agent dry powder, so that the water-retaining agent dry powder fully absorbs the phosphate fertilizer mixing liquid, an appropriate amount of wear-resistant micro powder is added, and water-retaining agent synthetic powder is prepared after mixing and stirring;

in the third step, putting a proper amount of agricultural non-woven fabric on a cutting machine, cutting into a prefabricated shape, soaking the cut agricultural non-woven fabric in a surfactant, taking out after a period of time, and drying by a dryer to obtain rough-surface non-woven fabric;

in the fourth step, the rough-surface non-woven fabric prepared in the third step is placed on a glue spreader, and a proper amount of starch glue is injected into the glue spreader and uniformly coated on the surface of the rough-surface non-woven fabric to prepare a seed covering film blank;

placing the seed covering film blank prepared in the fourth step on a material distributor, injecting the water-retaining agent synthetic powder prepared in the second step into the material distributor, uniformly spreading the water-retaining agent synthetic powder on the surface of the seed covering film blank, and bonding to obtain a semi-finished seed covering film;

and in the sixth step, the semi-finished product of the seed covering film prepared in the fifth step is placed on a counter press, compacted to a proper thickness, placed on a film rolling machine, and rolled to obtain the finished product of the seed covering film.

2. The method for manufacturing the rice seedling raising seed covering film according to claim 1, wherein the method comprises the following steps: in the first step, the water-retaining agent is a high-molecular water-retaining agent with the water absorption rate of 15000-20000%.

3. The method for manufacturing the rice seedling raising seed covering film according to claim 1, wherein the method comprises the following steps: in the first step, a middle-speed grinding mill is selected as the grinding mill, the rotating speed is 150-300 r/min, and the processing precision is 177-250 microns.

4. The method for manufacturing the rice seedling raising seed covering film according to claim 1, wherein the method comprises the following steps: in the second step, the phosphate fertilizer mixing solution mainly contains phosphorus element, potassium, zinc, nitrogen and other various trace elements.

5. The method for manufacturing the rice seedling raising seed covering film according to claim 1, wherein the method comprises the following steps: in the second step, the mixing machine is a spray mixing machine with the rotating speed of 40-70 r/min.

6. The method for manufacturing the rice seedling raising seed covering film according to claim 1, wherein the method comprises the following steps: in the second step, the wear-resistant micro powder is any one or more of silicon powder, zinc powder, potassium powder and boron powder.

7. The method for manufacturing the rice seedling raising seed covering film according to claim 1, wherein the method comprises the following steps: in the third step, the agricultural non-woven fabric is degradable, and the natural degradation time is 100-120 days.

8. The method for manufacturing the rice seedling raising seed covering film according to claim 1, wherein the method comprises the following steps: in the third step, the surfactant is any one of a cationic surfactant, an anionic surfactant, a zwitterionic surfactant or a nonionic surfactant, and the soaking time is 8-12 hours.

9. The method for manufacturing the rice seedling raising seed covering film according to claim 1, wherein the method comprises the following steps: in the fifth step, the material distributor adopts a hydraulic material distributor, and the spreading amount of the water-retaining agent synthetic powder is 200-800 g/m²。

10. The method for manufacturing the rice seedling raising seed covering film according to claim 1, wherein the method comprises the following steps: in the sixth step, the thickness of the finished product of the seed covering film in a rolled mode is 0.8-3 mm, and the thickness of the water absorption film in a rolled mode is 7-10 mm.

Technical Field

The invention relates to the technical field of seed covering films, in particular to a method for manufacturing a rice seedling covering film.

Background

Rice is one of the major food crops in the world, and about half of the global population uses rice as staple food. The Chinese rice crop area accounts for about one fourth of the total area of the world rice crop, and the yield is about 37 percent of the total yield of the world rice and 45 percent of the total yield of the national grains. Generally, after spring, most of China starts to prepare for rice seedling raising.

However, most of the traditional rice seedlings raising methods adopt a mode of covering soil with a plastic film, the water-retaining agent is added in the soil and the plastic film, so that the problems of soil-borne diseases, soil-borne phytotoxicity, rice seedbed top cover and the like are easily caused, seeds are damaged, rice seedlings are seriously blind, huge economic losses are caused to production personnel, a large amount of soil resources are consumed in the soil covering method, most of the soil resources are taken from river channels, forest lands, grasslands, wetlands and farmland surface soil, so that the ecological environment is seriously damaged, the soil is taken and wasted, the working efficiency is low, the labor cost is high, the large-area seedling raising of the rice is not facilitated, meanwhile, the plastic film is mostly easy to decompose and pollute the environment, the waste needs to be recycled, the labor intensity of the production personnel is inevitably increased, the seedling raising cost of the rice is increased, and the plastic film mostly has no wear resistance, the problem of mulch film damage is easily caused in the seedling raising process, so that partial rice seeds are damaged due to water loss and can not grow normally, the yield of rice is reduced inevitably, and the labor achievement of production personnel is damaged.

Therefore, it is necessary to design a method for manufacturing a rice seedling-raising seed-covering film.

Disclosure of Invention

The invention aims to provide a method for manufacturing a rice seedling raising seed covering film, which aims to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: a method for manufacturing a rice seedling raising seed covering film comprises the following steps: step one, grinding; step two, synthesis; step three, rough processing; step four, gluing; step five, bonding; step six, rolling;

in the first step, putting a proper amount of the water-retaining agent into a flour mill, grinding the mixture to a proper grain size, and collecting the product by a cyclone separator to prepare water-retaining agent dry powder;

in the second step, the water-retaining agent dry powder prepared in the first step is put into a mixing machine, an appropriate amount of phosphate fertilizer mixing liquid is injected into the mixing machine, the phosphate fertilizer mixing liquid is sprayed on the surface of the water-retaining agent dry powder, so that the water-retaining agent dry powder fully absorbs the phosphate fertilizer mixing liquid, an appropriate amount of wear-resistant micro powder is added, and water-retaining agent synthetic powder is prepared after mixing and stirring;

in the third step, putting a proper amount of agricultural non-woven fabric on a cutting machine, cutting into a prefabricated shape, soaking the cut agricultural non-woven fabric in a surfactant, taking out after a period of time, and drying by a dryer to obtain rough-surface non-woven fabric;

in the fourth step, the rough-surface non-woven fabric prepared in the third step is placed on a glue spreader, and a proper amount of starch glue is injected into the glue spreader and uniformly coated on the surface of the rough-surface non-woven fabric to prepare a seed covering film blank;

placing the seed covering film blank prepared in the fourth step on a material distributor, injecting the water-retaining agent synthetic powder prepared in the second step into the material distributor, uniformly spreading the water-retaining agent synthetic powder on the surface of the seed covering film blank, and bonding to obtain a semi-finished seed covering film;

and in the sixth step, the semi-finished product of the seed covering film prepared in the fifth step is placed on a counter press, compacted to a proper thickness, placed on a film rolling machine, and rolled to obtain the finished product of the seed covering film.

According to the technical scheme, in the step one, the water-retaining agent is a high-molecular water-retaining agent with the water absorption rate of 15000-20000%.

According to the technical scheme, in the first step, the pulverizer is a medium-speed pulverizer, the rotating speed is 150-300 r/min, and the processing precision is 177-250 microns.

According to the technical scheme, in the second step, the phosphate fertilizer mixing liquid mainly contains phosphorus element, potassium, zinc, nitrogen and other various trace elements.

According to the technical scheme, in the second step, the mixing machine is a spray mixing machine, and the rotating speed is 40-70 r/min.

According to the technical scheme, in the second step, the wear-resistant micro powder is any one or more of silicon powder, zinc powder, potassium powder and boron powder.

According to the technical scheme, in the third step, the agricultural non-woven fabric is degradable, and the natural degradation time is 100-120 days.

According to the technical scheme, in the third step, the surfactant is any one of a cationic surfactant, an anionic surfactant, a zwitterionic surfactant or a nonionic surfactant, and the soaking time is 8-12 hours.

According to the technical scheme, in the fifth step, the material distributor adopts a hydraulic material distributor, and the spreading amount of the water-retaining agent synthetic powder is 200-800 g/m²。

According to the technical scheme, in the sixth step, the thickness of the finished product of the seed covering film in rolling is 0.8-3 mm, and the thickness of the water absorption film is 7-10 mm.

Compared with the prior art, the invention has the following beneficial effects: according to the manufacturing method of the rice seedling-raising seed-covering film, the traditional seedling-raising mode of covering soil and covering a plastic film is replaced by the seed-covering film capable of degrading non-woven fabrics for raising seedlings, so that the problems of soil-borne diseases, soil-borne pesticide damages and the like are avoided, the pollution to the environment is reduced, the labor intensity of production personnel is reduced, the seedling-raising cost of rice is saved, and the large-area seedling-raising of rice is facilitated; wear-resistant micro powder is added into the water retention agent and phosphate fertilizer mixed solution, so that the wear resistance of the seed covering film is improved, the problem of damage of the seed covering film in the seedling raising process is avoided, the normal growth of rice seeds is ensured, the yield reduction of rice is prevented, and the labor achievement of production personnel is ensured; the wear-resistant micro powder is any one or more of silicon powder, zinc powder, potassium powder and boron powder, so that after the seed covering film is degraded, beneficial elements of silicon, zinc, potassium and boron are supplemented into soil, and the growth of rice is further promoted.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a flow chart of the method of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1, the present invention provides a technical solution: a method for manufacturing a rice seedling raising seed covering film comprises the following steps: step one, grinding; step two, synthesis; step three, rough processing; step four, gluing; step five, bonding; step six, rolling;

in the first step, putting a proper amount of water-retaining agent into a flour mill, wherein the water-retaining agent is a high-molecular water-retaining agent, the water absorption rate of the water-retaining agent is 15000-20000%, the water-retaining agent is ground to a proper grain size, the flour mill is a medium-speed flour mill, the rotating speed of the flour mill is 150-300 r/min, the processing precision of the flour mill is 177-250 mu m, and the flour is collected by a cyclone separator to prepare water-retaining agent dry powder;

adding the water-retaining agent dry powder prepared in the step one into a mixing machine, injecting a proper amount of phosphate fertilizer mixing liquid into the mixing machine, wherein the phosphate fertilizer mixing liquid mainly contains phosphorus and various trace elements such as potassium, zinc, nitrogen and the like, the mixing machine adopts a spray mixing machine with the rotating speed of 40-70 r/min, spraying the phosphate fertilizer mixing liquid on the surface of the water-retaining agent dry powder, so that the water-retaining agent dry powder fully absorbs the phosphate fertilizer mixing liquid, adding a proper amount of wear-resistant micro powder, and the wear-resistant micro powder adopts any one or more of silicon powder, zinc powder, potassium powder and boron powder and is mixed and stirred to prepare water-retaining agent synthetic powder;

putting a proper amount of agricultural non-woven fabric on a cutting machine, wherein the agricultural non-woven fabric is degradable and is naturally degraded for 100-120 days, cutting into a prefabricated shape, soaking the cut agricultural non-woven fabric in a surfactant, wherein the surfactant is any one of a cationic surfactant, an anionic surfactant, a zwitterionic surfactant or a nonionic surfactant, the soaking time is 8-12 hours, taking out after a period of time, and drying by a dryer to obtain the rough-surface non-woven fabric;

in the fourth step, the rough-surface non-woven fabric prepared in the third step is placed on a glue spreader, and a proper amount of starch glue is injected into the glue spreader and uniformly coated on the surface of the rough-surface non-woven fabric to prepare a seed covering film blank;

in the fifth step, the seed covering film blank prepared in the fourth step is placed on a material distributor, the water-retaining agent synthetic powder prepared in the second step is injected into the material distributor and evenly spread on the surface of the seed covering film blank, the material distributor adopts a hydraulic material distributor, and the spreading amount of the water-retaining agent synthetic powder is 200-800 g/m²Bonding to obtain semi-finished product of seed covering film;

and in the sixth step, the semi-finished product of the seed covering film prepared in the fifth step is placed on a pressing machine, is compacted to a proper thickness, is placed on a film rolling machine, and is rolled to obtain the finished product of the seed covering film, wherein the rolled thickness of the finished product of the seed covering film is 0.8-3 mm, and the water absorption thickness is 7-10 mm.

Based on the above, the invention has the advantages that the degradable non-woven fabric is used as the main material of the seed covering film, so that the seed covering film obtains the property of easy degradation, the traditional seedling raising mode of covering soil and covering a plastic film is replaced, the problems of soil-borne diseases, soil-borne phytotoxicity and the like are avoided, the pollution to the environment is reduced, the labor intensity of production personnel is reduced, the seedling raising cost of rice is saved, and the large-area seedling raising of the rice is facilitated; the wear-resistant micro powder containing beneficial elements of silicon, zinc, potassium and boron is added into the water retention agent and phosphate fertilizer mixed solution, so that the wear resistance of the seed covering film is improved, the problem of damage of the covering film in the seedling raising process is avoided, the normal growth of rice seeds is ensured, the yield reduction of rice is prevented, the labor achievement of production personnel is ensured, the beneficial elements of silicon, zinc, potassium and boron are supplemented into soil after the seed covering film is degraded, and the growth of the rice is further promoted.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.