Uracil deodorizing cat litter and its making method

Abstract

The application discloses a kind of uraria crinita deodorization cat litter and its manufacturing method, belong to pet product technical field.The cat litter includes by weight parts: uraria crinita 2-10 parts, bean dregs fiber 20-40 parts, wheat starch 40-60 parts, dolomite powder 3-8 parts, sodium chloroacetate 1-5 parts, water content≤10%.Its manufacturing method includes: uraria crinita and bean dregs fiber are respectively pretreated, with wheat starch, dolomite powder, sodium chloroacetate is mixed, then uraria crinita powder and water are added in turn and stirred uniformly, granulation, drying, screening are obtained.The natural deodorization antibacterial characteristics of uraria crinita are applied to cat litter for the first time, the obtained cat litter has high deodorization rate, tight cluster, less dust, biodegradable, simple production process, easy to scale production.

Description

Technical Field

[0001] This invention belongs to the field of pet product technology, specifically relating to a deodorizing cat litter made from Ula grass and its manufacturing method. Background Technology

[0002] With the increasing number of pet cats, cat litter, as a daily consumable, directly impacts the petting experience and environmental hygiene. Currently, the mainstream cat litters on the market include bentonite cat litter, plant fiber cat litter, and blended cat litter. While bentonite cat litter has good absorbency and clumping properties, it produces a lot of dust, is non-biodegradable after use, and relies mainly on chemical fragrances for odor control, which has poor staying power and can potentially irritate a cat's sense of smell and respiratory system. Plant-based cat litters, such as tofu cat litter and corn cat litter, offer some improvement in environmental friendliness, but generally suffer from loose clumping, easy sticking to the bottom, insufficient odor control, and a tendency to breed bacteria. They often require the addition of artificial antibacterial agents or deodorizers to meet basic usage requirements.

[0003] Plant-based materials with natural deodorizing and antibacterial properties are ideal for developing environmentally friendly, high-performance cat litter. Ula grass, a herb rich in natural fibers and various active ingredients, is traditionally used for keeping cats dry, preventing moisture, and eliminating odors; its natural deodorizing and antibacterial properties are widely recognized. However, there are currently no reports of applying ula grass to the cat litter industry to solve deodorization and clumping problems. How to effectively combine the natural advantages of ula grass with other plant fibers, ensuring excellent deodorizing and clumping performance while also considering low dust and biodegradability, is a pressing technical problem to be solved in this field. Summary of the Invention

[0004] In view of this, the purpose of this invention is to provide a cat litter made from ula grass and its preparation method. This invention introduces ula grass into the cat litter formula for the first time. Through the synergistic effect between the components and a specific preparation process, the resulting cat litter has excellent deodorizing and clumping properties, and is also natural and environmentally friendly.

[0005] To achieve the above objectives, the present invention provides the following technical solution: This invention provides a cat litter containing ula grass for deodorization, comprising the following components in parts by weight: 2-10 parts ula grass, 20-40 parts soybean residue fiber, 40-60 parts wheat starch, 3-8 parts dolomite powder, and 1-5 parts sodium chloroacetate.

[0006] Preferably, the components are in the following weight parts: 4-6 parts of Ula grass, 28-32 parts of soybean residue fiber, 48-52 parts of wheat starch, 4-6 parts of dolomite powder, and 2-3 parts of sodium chloroacetate.

[0007] Preferably, the components are in the following weight proportions: 5 parts of Ula grass, 30 parts of soybean residue fiber, 50 parts of wheat starch, 5 parts of dolomite powder, and 2 parts of sodium chloroacetate.

[0008] Preferably, the ula grass deodorizing cat litter has a particle size of 10-20 mesh and a bulk density of 0.6-0.9 g / cm3.

[0009] Preferably, the moisture content of the ula grass deodorizing cat litter is ≤10%.

[0010] This invention also provides a method for preparing ula grass deodorizing cat litter, comprising the following steps: (1) Weigh the raw materials according to their weight proportions; (2) Dry the Ula grass at 80-100℃ until the moisture content is ≤5%, pulverize it through an 80-100 mesh sieve to obtain Ula grass powder; dry the soybean residue fiber at 70-90℃ until the moisture content is ≤6%, pulverize it through an 80-100 mesh sieve to obtain soybean residue fiber powder. (3) Add soybean residue fiber powder, wheat starch, dolomite powder and sodium chloroacetate to a mixer in proportion and stir at 150-200 r / min for 10-15 minutes to obtain a mixed base material; then add Ula grass powder and continue stirring at the same speed for 5-8 minutes; then slowly add water and stir for 10-12 minutes to obtain a wet material; (4) Feed the wet material into a ring die pellet mill and extrude it through a die with a diameter of 2-4 mm to obtain wet pellets; (5) Dry the wet granules at 100-120℃ for 20-30 minutes, cool them to 25±5℃, and screen them through a 10-20 mesh sieve to obtain the cat litter.

[0011] Preferably, the amount of water added in step (3) is 6%-10% of the total mass of the solid raw materials.

[0012] It contains at least the following beneficial technical effects: (1) This invention utilizes the natural deodorizing active ingredients of Ula grass itself, combined with the porous adsorption effect of soybean residue fiber, to achieve efficient deodorization without adding chemical fragrances, with a deodorization rate of over 90%.

[0013] (2) The wheat starch, soybean residue fiber and dolomite powder of the present invention work together to quickly gel and form stable clumps when they come into contact with water. The clumping time can be shortened to less than 30 seconds, and they are not easy to loosen or stick to the bottom.

[0014] (3) All raw materials of this invention are natural biodegradable materials. The application of Ula grass reduces the amount of chemical deodorizers and artificial antibacterial agents. The process strictly controls the proportion of fine powder, and there is very little dust during use, which is harmless to cats and humans.

[0015] (4) The raw materials of this invention are readily available, the process is simple, and it is suitable for industrial production. All equipment used are conventional mixing, granulation and drying equipment, the process is simple and the cost is controllable. Detailed Implementation

[0016] Various exemplary embodiments of the present invention will now be described in detail. This detailed description should not be considered as a limitation of the present invention, but rather as a more detailed description of certain aspects, features, and embodiments of the present invention.

[0017] It should be understood that the terminology used in this invention is merely for describing particular embodiments and is not intended to limit the invention. Furthermore, with respect to numerical ranges in this invention, it should be understood that each intermediate value between the upper and lower limits of the range is also specifically disclosed. Every smaller range between any stated value or intermediate value within a stated range, and any other stated value or intermediate value within said range, is also included in this invention. The upper and lower limits of these smaller ranges may be independently included or excluded from the range.

[0018] Unless otherwise stated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. While only preferred methods and materials have been described herein, any methods and materials similar or equivalent to those described herein may be used in the implementation or testing of this invention. All references to this specification are incorporated by way of citation to disclose and describe methods and / or materials associated with those references. In the event of any conflict with any incorporated reference, the content of this specification shall prevail.

[0019] Various modifications and variations can be made to the specific embodiments described in this specification without departing from the scope or spirit of the invention, as will be apparent to those skilled in the art. Other embodiments derived from this specification will also be obvious to those skilled in the art. This application specification and embodiments are merely exemplary.

[0020] The terms “include,” “including,” “have,” “contain,” etc., used in this article are all open-ended terms, meaning that they include but are not limited to.

[0021] Unless otherwise specified, "room temperature" and "normal temperature" in this invention refer to 25±2℃.

[0022] Unless otherwise specified, all raw materials or instruments used in the following embodiments of the present invention are commercially available.

[0023] Example 1 Prepare ula grass deodorizing cat litter according to the following steps: (1) Pretreatment: After washing the Ula grass with clean water, dry it with hot air at 80℃ to a moisture content of 5%, and crush it through an 80-mesh sieve to obtain Ula grass powder; dry the soybean residue fiber at 70℃ to a moisture content of 6%, and crush it through an 80-mesh sieve to obtain soybean residue fiber powder.

[0024] (2) Weighing: Weigh 2 parts of Ula grass powder, 20 parts of soybean residue fiber powder, 40 parts of wheat starch, 3 parts of dolomite powder, and 1 part of sodium chloroacetate by weight.

[0025] (3) Mixing: Add soybean residue fiber powder, wheat starch, dolomite powder and sodium chloroacetate to a horizontal mixer and stir at 150 r / min for 15 minutes; add Ula grass powder and stir at the same speed for 8 minutes; slowly add water at 6% of the total weight of solid raw materials and continue stirring for 12 minutes to obtain wet material.

[0026] (4) Granulation: The wet material is fed into a ring die granulator and extruded through a die with a diameter of 2 mm to form granules.

[0027] (5) Drying and screening: Dry the wet particles at 100℃ for 30 minutes, cool to room temperature, pass through 10-mesh and 20-mesh sieves, collect 10-20 mesh particles, and obtain the finished product.

[0028] According to the test results, the cat litter in this embodiment has a deodorization rate of 90%, a clumping time of 30 seconds, a clumping compressive strength of 1.4 kg, a moisture content of 9.6%, and a dust content of ≤0.5%.

[0029] Example 2 Prepare ula grass deodorizing cat litter according to the following steps: (1) Pretreatment: After washing the Ula grass, dry it with hot air at 100℃ to a moisture content of 3%, and crush it through a 100-mesh sieve to obtain Ula grass powder; dry the soybean residue fiber at 90℃ to a moisture content of 4%, and crush it through a 100-mesh sieve to obtain soybean residue fiber powder.

[0030] (2) Weighing: Weigh 10 parts of Ula grass powder, 40 parts of soybean residue fiber powder, 60 parts of wheat starch, 8 parts of dolomite powder, and 5 parts of sodium chloroacetate by weight.

[0031] (3) Mixing: Add soybean residue fiber powder, wheat starch, dolomite powder and sodium chloroacetate to a mixer and stir at 200 r / min for 10 minutes; add Ula grass powder and stir at the same speed for 5 minutes; slowly add water equal to 10% of the total weight of the solid raw materials and stir for 10 minutes to obtain wet material.

[0032] (4) Granulation: The wet material is fed into a ring die pellet mill and extruded through a die with a diameter of 4 mm to form pellets.

[0033] (5) Drying and screening: Dry the wet particles at 120℃ for 20 minutes, cool to room temperature, pass through 10-mesh and 20-mesh sieves, collect 10-20 mesh particles, and obtain the finished product.

[0034] According to the test results, the cat litter in this embodiment has a deodorization rate of 94%, a clumping time of 21 seconds, a clumping compressive strength of 2.0 kg, a moisture content of 7.2%, and a dust content of ≤0.6%.

[0035] Example 3 Prepare ula grass deodorizing cat litter according to the following steps: (1) Pretreatment: After washing the Ula grass, dry it with hot air at 90℃ to a moisture content of 4%, and crush it through a 90-mesh sieve to obtain Ula grass powder; dry the soybean residue fiber at 80℃ to a moisture content of 5%, and crush it through a 90-mesh sieve to obtain soybean residue fiber powder.

[0036] (2) Weighing: Weigh 6 parts of Ula grass powder, 30 parts of soybean residue fiber powder, 50 parts of wheat starch, 5.5 parts of dolomite powder, and 3 parts of sodium chloroacetate by weight.

[0037] (3) Mixing: Add soybean residue fiber powder, wheat starch, dolomite powder and sodium chloroacetate to a mixer and stir at 175 r / min for 12 minutes; add Ula grass powder and stir at the same speed for 6 minutes; slowly add water equal to 8% of the total weight of the solid raw materials and stir for 11 minutes to obtain wet material.

[0038] (4) Granulation: The wet material is fed into a ring die granulator and extruded through a die with a diameter of 3 mm to form granules.

[0039] (5) Drying and screening: Dry the wet particles at 110℃ for 25 minutes, cool to room temperature, pass through 10-mesh and 20-mesh sieves, collect 10-20 mesh particles, and obtain the finished product.

[0040] According to the test results, the cat litter in this embodiment has a deodorization rate of 92%, a clumping time of 25 seconds, a clumping compressive strength of 1.7 kg, a moisture content of 8.4%, and a dust content of ≤0.5%.

[0041] Comparative Example 1 Compared with Example 3, the only difference is that: no Ula grass is added to the formula, and the remaining components are 31.6 parts soybean residue fiber, 52.6 parts wheat starch, 5.8 parts dolomite powder, 3.2 parts sodium chloroacetate, and water added at 8% of the total solid weight.

[0042] Tests showed that the deodorization rate of this comparative example cat litter was only 45%, with a clumping time of 28 seconds and a clumping compressive strength of 1.7 kg. Compared with Example 3, the deodorization rate decreased by 47%, indicating that the addition of ula grass is a key component for achieving efficient deodorization, and its role in improving deodorization performance is irreplaceable.

[0043] Comparative Example 2 Compared with Example 3, the only difference is that the Ula grass in the formula is replaced with an equal weight of commercially available bamboo charcoal powder (200 mesh), while the other components and their amounts remain unchanged.

[0044] Testing showed that the cat litter in this comparative example had a deodorization rate of 62%, a clumping time of 35 seconds, and a clumping compressive strength of 1.2 kg. Compared to Example 3, the deodorization rate decreased by 30 percentage points, the clumping time increased by 10 seconds, and the compressive strength was significantly reduced. Although bamboo charcoal powder has a certain adsorption capacity, it cannot provide the unique natural deodorizing active ingredients of Ula grass, and the addition of bamboo charcoal powder disrupts the gelation structure of wheat starch and soybean residue fiber, leading to a deterioration in clumping performance. This comparative example demonstrates that not any plant powder with adsorption function can replace Ula grass to achieve the technical effects of this invention.

[0045] Comparative Example 3 Compared with Example 3, the only difference is that in step (3), all solid raw materials are added to the mixer at once for dry mixing, and then water is added for wet mixing, while the other conditions remain unchanged.

[0046] Testing showed that the cat litter in this comparative example had a deodorization rate of 78%, a clumping time of 38 seconds, and a clumping compressive strength of 1.1 kg. Compared with Example 3, all performance characteristics were significantly lower. Analysis revealed that this was because the ula grass powder is lightweight and highly fibrous; if mixed with other components simultaneously, it is difficult to disperse evenly, resulting in localized clumping and affecting the effective distribution of the deodorizing ingredients and the uniform gelation of the starch. This comparative example demonstrates that the specific segmented mixing sequence of this invention plays a crucial role in ensuring product performance.

[0047] Comparative Example 4 Compared with Example 3, the only difference is that the amount of Ula grass is increased to 15 parts, the amount of wheat starch is reduced to 45 parts, the other components remain unchanged, and the amount of water added is 8% of the total solid weight.

[0048] Testing showed that the cat litter in this comparative example had a 95% deodorization rate, a clumping time of 55 seconds, and a clumping compressive strength of 0.7 kg. Compared to Example 3, although the deodorization rate slightly improved due to the increased amount of ula grass, the clumping time was significantly extended to nearly 1 minute, and the compressive strength decreased significantly, failing to meet the requirements for rapid clumping and thorough cleaning in daily use. This comparative example demonstrates that more ula grass is not necessarily better; excessive fiber content hinders the full gelation of starch and disrupts the clumping structure. Only within the formulation range defined in the claims can the optimal balance between deodorization and clumping performance be achieved.

[0049] The above description is only a preferred embodiment of the present invention. It should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A kind of ula grass deodorizing cat litter, characterized in that, It includes the following components by weight: 2-10 parts of Ula grass, 20-40 parts of soybean residue fiber, 40-60 parts of wheat starch, 3-8 parts of dolomite powder, and 1-5 parts of sodium chloroacetate.

2. The ula grass deodorizing cat litter according to claim 1, characterized in that, The components are in the following weight parts: 4-6 parts of Ula grass, 28-32 parts of soybean residue fiber, 48-52 parts of wheat starch, 4-6 parts of dolomite powder, and 2-3 parts of sodium chloroacetate.

3. The ula grass deodorizing cat litter according to claim 2, characterized in that, The components are in the following weight parts: 5 parts of Ula grass, 30 parts of soybean residue fiber, 50 parts of wheat starch, 5 parts of dolomite powder, and 2 parts of sodium chloroacetate.

4. The ula grass deodorizing cat litter according to any one of claims 1-3, characterized in that, The ula grass deodorizing cat litter has a particle size of 10-20 mesh and a bulk density of 0.6-0.9 g / cm³. 3 .

5. The cat litter according to any one of claims 1-3, characterized in that, The moisture content of the ula grass deodorizing cat litter is ≤10%.

6. The method for preparing the ula grass deodorizing cat litter according to any one of claims 1-3, characterized in that, Includes the following steps: (1) Weigh the raw materials according to their weight parts; (2) Dry the Ula grass at 80-100℃ until the moisture content is ≤5%, pulverize it through an 80-100 mesh sieve to obtain Ula grass powder; dry the soybean residue fiber at 70-90℃ until the moisture content is ≤6%, pulverize it through an 80-100 mesh sieve to obtain soybean residue fiber powder. (3) Add soybean residue fiber powder, wheat starch, dolomite powder and sodium chloroacetate to a mixer in proportion and stir at 150-200 r / min for 10-15 minutes to obtain a mixed base material; then add Ula grass powder and continue stirring at the same speed for 5-8 minutes; then slowly add water and stir for 10-12 minutes to obtain a wet material; (4) Feed the wet material into a ring die pellet mill and extrude it through a die with a diameter of 2-4 mm to obtain wet pellets; (5) Dry the wet granules at 100-120℃ for 20-30 minutes, cool them to 25±5℃, and screen them through a 10-20 mesh sieve to obtain the cat litter.

7. The manufacturing method according to claim 6, characterized in that, In step (3), the amount of water added is 6%-10% of the total mass of the solid raw materials.