CN113207712A - High-water-absorption low-dust-rate excellent-agglomeration cat litter and preparation method thereof - Google Patents
High-water-absorption low-dust-rate excellent-agglomeration cat litter and preparation method thereof Download PDFInfo
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- CN113207712A CN113207712A CN202110657997.8A CN202110657997A CN113207712A CN 113207712 A CN113207712 A CN 113207712A CN 202110657997 A CN202110657997 A CN 202110657997A CN 113207712 A CN113207712 A CN 113207712A
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- 241000282326 Felis catus Species 0.000 title claims abstract description 76
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 17
- 238000005054 agglomeration Methods 0.000 title claims abstract description 9
- 238000002360 preparation method Methods 0.000 title description 7
- 238000012216 screening Methods 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 229920002472 Starch Polymers 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims abstract description 9
- 239000008107 starch Substances 0.000 claims abstract description 9
- 235000019698 starch Nutrition 0.000 claims abstract description 9
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 7
- 230000002776 aggregation Effects 0.000 claims abstract description 7
- 239000002023 wood Substances 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 62
- 238000002156 mixing Methods 0.000 claims description 16
- 230000001788 irregular Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- 239000002781 deodorant agent Substances 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 239000003755 preservative agent Substances 0.000 claims description 2
- 230000002335 preservative effect Effects 0.000 claims description 2
- 238000007873 sieving Methods 0.000 claims 3
- 239000000546 pharmaceutical excipient Substances 0.000 claims 2
- 239000011230 binding agent Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 10
- 239000008187 granular material Substances 0.000 description 8
- 244000046052 Phaseolus vulgaris Species 0.000 description 7
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 7
- 239000000440 bentonite Substances 0.000 description 3
- 229910000278 bentonite Inorganic materials 0.000 description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 3
- 230000002354 daily effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920002907 Guar gum Polymers 0.000 description 2
- 235000013527 bean curd Nutrition 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 239000000665 guar gum Substances 0.000 description 2
- 229960002154 guar gum Drugs 0.000 description 2
- 235000010417 guar gum Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000002504 physiological saline solution Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000021190 leftovers Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
- A01K1/0152—Litter
- A01K1/0155—Litter comprising organic material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
- A01K1/0152—Litter
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
The cat litter with high water absorption rate, low dust rate and excellent caking property is prepared by granulating raw materials including wood chips, paper pulp fibers and starch to obtain coarse cat litter; the coarse cat litter is screened in multiple stages, and is divided into at least 3 stages according to granularity; in the multi-stage screening, the aperture difference between adjacent screen meshes is 0.8-1.5 mm. The cat litter is combined according to the use requirements after being classified and screened, so that the difference requirements of cats with different types, different age stages and different life habits on the cat litter can be met, a production line does not need to be adjusted, and continuous production is facilitated; in addition, the cat litter has the advantages of rapid water absorption, high water absorption rate, good agglomeration effect, less consumption compared with common cat litter on the market, and high pet acceptance.
Description
Technical Field
The invention belongs to the field of pet products, and particularly relates to cat litter with high water absorption rate, low dust rate and excellent agglomeration and a preparation method thereof.
Background
The cat litter on the market at present is mainly bentonite cat litter or bean curd cat litter. The bentonite cat litter is processed from bentonite ore, has the problems of ore digging and environment damage, and is not renewable. At present, the main plant cat litter on the market is bean curd cat litter, and bean dregs and starch are taken as main raw materials, other functional components are added, and the technological process comprises mixing, granulating, drying, screening and packaging, or mixing, granulating, drying, crushing, screening and packaging. The bean dregs in the raw material composition of the cat litter are divided into soybean dregs or pea dregs or other bean dregs, the bean dregs are leftovers generated in the bean product processing industry, cannot be purified, and can contain substances such as protein or starch and other non-cellulose components, and the source of the bean dregs is uncertain, so that the possibility that the bean dregs are deteriorated can exist, and the quality of the cat litter product produced in the later period can be influenced.
The existing cat litter production process has a screening process, but generally only screens to remove dust, and does not subdivide the particle size of the product. The particle size distribution in the product is irregular and uncontrollable, for example, too long particles or too large particles with a large proportion can cause poor agglomeration effect and influence use; or the particles are too short or too small in proportion, which causes a problem of easy carry-over.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the cat litter with high water absorption rate, low dust rate and excellent agglomeration and the preparation method thereof.
The specific technical scheme is as follows:
the invention aims to provide cat litter with high water absorption, low dust rate and excellent caking property, which is prepared from raw materials including wood chips, paper pulp fibers and starch through granulation to obtain coarse cat litter; the coarse cat litter is screened in multiple stages, and is divided into at least 3 stages according to granularity; in the multi-stage screening, the aperture gradient between screens at each stage is 0.8-1.5mm, namely: the difference in pore size between adjacent grades of screen is 0.8-1.5mm, most preferably the pore size gradient is 1 mm.
Further, selecting coarse cat litter with the particle size range of 0.8-4.5mm for multi-stage screening.
And further, selecting coarse cat litter with the particle size range of 1-4mm for multi-stage screening.
Specifically, the coarse cat litter is preferably divided into three stages, and the particle size of each stage is 1-2mm, 2-3mm, and 3-4mm in this order.
Further, according to the characteristics and the use requirements of the pets, the cat litter with different granularity levels is combined. Such as: be suitable for the product of long mao cat, can adopt the product of more large granule cooperation small granule to make up, and the medium granule is prevented to take out through the large granule to very little addition or not addition, and the small granule increases area of contact, fills the gap, guarantees the caking effect. For another example: the cat litter box is suitable for products of kittens, mainly comprises medium particles and small particles, is suitable for processes of digging, grabbing and the like of kittens with small strength, and plays a role in practicing using cat litter.
The combination proportion can be as follows:
through multi-stage screening, the coarse cat litter is divided into 3 grades, the largest grain size grade and the smallest grain size grade are combined according to the mass ratio of 7 (2.5-4), the ratio is suitable for the long-haired cat, and the optimal ratio is 7: 3.
The combination proportion can be as follows: the coarse cat litter is divided into 3 grades through multi-grade screening, the middle grain size grade and the minimum grain size grade are combined according to the mass ratio of 1 (0.8-1.2), the ratio is suitable for kittens, and the optimal ratio is 1: 1.
Specifically, when selecting the coarse cat litter with the particle size range of 1-4mm, carrying out three-stage screening: selecting particles with the particle size of 3-4mm and particles with the particle size of 1-2mm to be matched according to the mass ratio of 7:3 to obtain cat litter suitable for the Changtao cat; selecting particles with the particle size of 2-3mm and particles with the particle size of 1-2mm to be matched according to the mass ratio of 1:1, and obtaining the cat litter suitable for kittens.
Further, the raw materials (excluding water) of the cat litter of the present invention include, in weight percent: 40-80 wt% of wood chips, 15-40 wt% of pulp fibers and 20-50 wt% of starch.
Still further, the raw materials of the deodorant also comprise 2 wt% -20 wt% of auxiliary materials in percentage by weight, and the auxiliary materials comprise one or more of adhesive, dispersant, preservative and deodorant.
The invention also aims to provide a preparation method of the cat litter, which comprises the following steps:
(1) crushing raw materials: crushing the raw materials;
(2) mixing: mixing the raw materials according to a formula, and adding water;
(3) and (3) granulating: preparing columnar particles and cooling;
(4) crushing: crushing the columnar particles to obtain irregular particles;
(5) screening: arranging a plurality of layers of screens, and carrying out multi-stage screening on irregular particles; and (4) separately storing the particles with different particle size grades obtained after screening.
Further, after screening, the particles with different grades and particle sizes are proportioned according to the pet requirements. The proportioning principle is as described above.
Wherein, in step (1), for the purchased raw materials, for example: the raw materials with irregular sizes, such as sawdust, paper pulp fibers or other additives are crushed by a crusher with the crushing fineness of less than 20 meshes so as to ensure the uniformity of subsequent mixing.
In the step (3), a die with a proper diameter and a proper compression ratio is selected according to product requirements for granulation, and the feeding speed is adjusted according to the hardness condition of the granules.
In the step (4), the particle size after crushing is determined according to the granulation diameter and the product requirement, and the particles after crushing are randomly distributed.
Wherein, in the step (5), the undersize products and oversize products discarded after screening are returned to the raw material crushing area.
The invention has the following beneficial effects:
in the invention, the paper pulp fiber is wood pulp or straw pulp fiber purified by paper making industry, the yield is high, the supply is stable, the product quality is reliable, the cellulose content is high, the water absorption speed is high, the water absorption multiple is high, and the performance of the product in the aspect of water absorption can be effectively improved when the paper pulp fiber is added into cat litter products. The cat litter is combined according to the use requirements after being classified and screened, so that the difference requirements of cats with different types, different age stages and different life habits on the cat litter can be met, a production line does not need to be adjusted, and continuous production is facilitated; in addition, the cat litter has good caking effect, saves the using amount compared with common cat litter on the market, and has high pet acceptance.
Detailed Description
The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
Example 1
The cat litter with high water absorption rate, low dust rate and excellent caking property comprises the following raw materials, by weight, 40% of sawdust, 20% of pulp fiber, 35% of starch and 5% of guar gum.
The preparation method comprises the following steps:
(1) crushing raw materials: crushing irregular raw materials with variable sizes by a crusher, wherein the crushing fineness is less than 20 meshes so as to ensure the uniformity of subsequent mixing;
(2) mixing: weighing the crushed raw materials according to a formula, and adding water for mixing;
(3) and (3) granulating: granulating by using a ring die granulator, wherein the diameter of a die is 4mm, preparing columnar particles, cooling by using a counter-flow cooler, and cooling to room temperature;
(4) crushing: crushing the columnar particles to obtain irregular particles;
(5) screening: the crushed particles are screened by a vibration rotary grading screen, a plurality of layers of screen meshes are arranged, the aperture difference of adjacent screen meshes is 1mm, and the screened substances are respectively: respectively storing granules of 0-1mm (minus sieve, 1-2mm, 2-3mm and 3-4 mm), wherein the plus sieve and the minus sieve return to the raw material crushing area;
(6) combining: the combination of the products suitable for the Changtao cat selects particles with the particle size of 3-4mm and particles with the particle size of 1-2mm according to the mass ratio of 7:3, and then the particles are mixed again, and the mixing uniformity is ensured by controlling the feeding speed.
Tests show that the product has the advantages of rapid water absorption, good agglomeration effect, less consumption and less carry-over compared with common cat litter on the market.
Comparative example 1
Referring to example 1, the difference from example 1 is that: and (5) directly obtaining particles with the particle size of 1-4mm by screening, and not carrying out multi-stage screening and the combination of the step (6).
The remaining technical features are the same as those of example 1.
Example 2
The cat litter with high water absorption rate, low dust rate and excellent caking property comprises 50 wt% of sawdust, 15 wt% of pulp fiber, 30 wt% of starch and 5 wt% of guar gum.
The preparation method comprises the following steps:
(1) crushing raw materials: crushing irregular raw materials with variable sizes by a crusher, wherein the crushing fineness is less than 20 meshes so as to ensure the uniformity of subsequent mixing;
(2) mixing: weighing the crushed raw materials according to a formula, and adding water for mixing;
(3) and (3) granulating: granulating by using a ring die granulator, wherein the diameter of a die is 4mm, preparing columnar particles, cooling by using a counter-flow cooler, and cooling to room temperature;
(4) crushing: crushing the columnar particles to obtain irregular particles;
(5) screening: the crushed particles are screened by a vibration rotary grading screen, a plurality of layers of screen meshes are arranged, the aperture difference of adjacent screen meshes is 1mm, and the screened substances are respectively: respectively storing granules of 0-1mm (minus sieve, 1-2mm, 2-3mm and 3-4 mm), wherein the plus sieve and the minus sieve return to the raw material crushing area;
(6) combining: the combination of the products suitable for kittens is implemented by selecting particles with the particle size of 2-3mm and particles with the particle size of 1-2mm according to the mass ratio of 1:1, mixing again, and controlling the feeding speed to ensure the mixing uniformity.
Tests prove that the product has the advantages of rapid water absorption and good agglomeration effect, and compared with common cat litter on the market, the cat litter has the advantages of saving the use amount and being popular with young cats, and the cat with the litter replaced can use new cat litter quickly.
Comparative example 2
Referring to example 2, the difference from example 2 is that: and (5) directly obtaining particles with the particle size of 1-4mm by screening, and not carrying out multi-stage screening and the combination of the step (6).
The remaining technical features are the same as those of example 2.
Test 1
The litter of example 1 and comparative example 1 was subjected to the usage amount test and the carry-out amount test.
And (3) testing the use amount: 3000g of cat litter were poured in 20mL of physiological saline, and the weight of cat litter consumed by clumping was measured after 1 min. The results are shown in Table 1.
And (3) carrying-out amount testing: 4 adult puppet cats were kept in free range, the product of example 1 was used for the first 3 days, the litter weight from the cats was cleaned and weighed, the mass of litter carried out was weighed daily and divided by the number of cats, and the average value for three days was converted to the 1 day carrying-out of 1 cat. The comparative example 1 product was changed 3 days later, the weight of the litter carried out was cleaned and weighed, the mass of the litter carried out was weighed daily and divided by the number of cats, and the average value for three days was calculated and converted to the carry-out condition for 1 day for 1 cat. The results are shown in Table 1.
Table 1 results of usage test and carrying-out amount test of example 1 and comparative example 1
| Example 1 | Comparative example 1 | Reduction amount | Rate of decrease | |
| Amount of use (g) | 16.1 | 20.5 | 4.4 | 21.5％ |
| Bring out amount (g) | 5.3 | 10.8 | 5.5 | 50.9％ |
Test 2
The litter of example 2 and comparative example 2 was subjected to usage test and kitten usage test.
And (3) testing the use amount: 3000g of cat litter were poured in 20mL of physiological saline, and the weight of cat litter consumed by clumping was measured after 1 min. The results are shown in Table 1.
Kitten use test: 4 beautiful young cats are raised in a scattered mode indoors, 4 pots of cat litter are placed in an annular mode, the cat litter of the embodiment 2 and the cat litter of the comparative example 2 are alternately laid, the clustered cat litter is shoveled out at regular time every day, shoveling amount of each pot of cat litter every day is recorded and counted, the test is carried out for 7 days totally, the average value is obtained after 7-day shoveling amount is summed, the daily average shoveling amount of each pot of cat litter of the embodiment 2 and the comparative example 2 is calculated respectively, and the average value is obtained.
Table 2 results of usage test and carrying-out amount test of example 2 and comparative example 2
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The cat litter with high water absorption rate, low dust rate and excellent caking property is characterized in that raw materials comprise sawdust, paper pulp fiber and starch, and coarse cat litter is obtained by granulation; the coarse cat litter is screened in multiple stages, and is divided into at least 3 stages according to granularity; in the multi-stage screening, the aperture difference between adjacent screen meshes is 0.8-1.5 mm.
2. The litter of claim 1 wherein said coarse litter size ranges from 0.8 mm to 4.5mm and is selected for multi-stage screening.
3. The litter according to claim 2 wherein coarse litter sizes ranging from 1 to 4mm are selected for multi-stage screening, the coarse litter size being divided into three stages, each stage being in the order of 1 to 2mm, 2 to 3mm, and 3 to 4 mm.
4. The litter according to any of claims 1-3 wherein different particle size grades of litter are combined.
5. The litter according to claim 4 wherein the coarse litter is separated into 3 stages by multi-stage sieving, and the largest particle size stage is combined with the smallest particle size stage in a mass ratio of 7 (2.5-4).
6. The litter according to claim 4 wherein the coarse litter is separated into 3 stages by multi-stage sieving, the intermediate particle size stage being combined with the minimum particle size stage in a mass ratio of 1 (0.8-1.2).
7. The litter according to any of claims 1 to 3 wherein the raw materials comprise, in weight percent: 40-80 wt% of wood chips, 15-40 wt% of pulp fibers and 20-50 wt% of starch.
8. The cat litter according to any one of claim 5, wherein the cat litter further comprises from about 2 wt% to about 20 wt% of an excipient, wherein the excipient comprises one or more of a binder, a dispersant, a preservative, and a deodorant.
9. A method for preparing cat litter with high water absorption and low dust rate agglomeration according to any one of claims 1-8, comprising the steps of:
(1) crushing raw materials: crushing the raw materials;
(2) mixing: mixing the raw materials according to a formula, and adding water;
(3) and (3) granulating: preparing columnar particles and cooling;
(4) crushing: crushing the columnar particles to obtain irregular particles;
(5) screening: arranging a plurality of layers of screens, and carrying out multi-stage screening on irregular particles; and (4) separately storing the particles with different particle size grades obtained after screening.
10. The method of claim 9, wherein after sieving, the different grades of particles are proportioned according to pet demand.
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| CN202110657997.8A CN113207712A (en) | 2021-06-11 | 2021-06-11 | High-water-absorption low-dust-rate excellent-agglomeration cat litter and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110657997.8A CN113207712A (en) | 2021-06-11 | 2021-06-11 | High-water-absorption low-dust-rate excellent-agglomeration cat litter and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113455409A (en) * | 2021-08-09 | 2021-10-01 | 毛金玉 | Mixed cat litter |
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Application publication date: 20210806 |