CN111492987A - Degradable bean curd cat litter and preparation method thereof - Google Patents
Degradable bean curd cat litter and preparation method thereof Download PDFInfo
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- CN111492987A CN111492987A CN202010345040.5A CN202010345040A CN111492987A CN 111492987 A CN111492987 A CN 111492987A CN 202010345040 A CN202010345040 A CN 202010345040A CN 111492987 A CN111492987 A CN 111492987A
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- 241000282326 Felis catus Species 0.000 title claims abstract description 110
- 235000013527 bean curd Nutrition 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 239000000428 dust Substances 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 239000012257 stirred material Substances 0.000 claims description 44
- 239000000843 powder Substances 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 25
- 229920002261 Corn starch Polymers 0.000 claims description 18
- 229920002522 Wood fibre Polymers 0.000 claims description 18
- 240000008042 Zea mays Species 0.000 claims description 18
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 18
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 18
- 235000005822 corn Nutrition 0.000 claims description 18
- 239000008120 corn starch Substances 0.000 claims description 18
- 238000005303 weighing Methods 0.000 claims description 18
- 239000002025 wood fiber Substances 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 16
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 claims description 12
- 241000196324 Embryophyta Species 0.000 claims description 12
- 229920002907 Guar gum Polymers 0.000 claims description 12
- 239000000665 guar gum Substances 0.000 claims description 12
- 229960002154 guar gum Drugs 0.000 claims description 12
- 235000010417 guar gum Nutrition 0.000 claims description 12
- 239000004302 potassium sorbate Substances 0.000 claims description 12
- 235000010241 potassium sorbate Nutrition 0.000 claims description 12
- 229940069338 potassium sorbate Drugs 0.000 claims description 12
- 239000003755 preservative agent Substances 0.000 claims description 12
- 230000002335 preservative effect Effects 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 10
- 235000013312 flour Nutrition 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 244000068988 Glycine max Species 0.000 claims description 8
- 235000010469 Glycine max Nutrition 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- BCZXFFBUYPCTSJ-UHFFFAOYSA-L Calcium propionate Chemical compound [Ca+2].CCC([O-])=O.CCC([O-])=O BCZXFFBUYPCTSJ-UHFFFAOYSA-L 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 235000010331 calcium propionate Nutrition 0.000 claims description 2
- 239000004330 calcium propionate Substances 0.000 claims description 2
- 235000013305 food Nutrition 0.000 claims description 2
- 238000005054 agglomeration Methods 0.000 abstract description 17
- 230000002776 aggregation Effects 0.000 abstract description 17
- 238000001035 drying Methods 0.000 abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 230000001877 deodorizing effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 26
- 239000000203 mixture Substances 0.000 description 12
- 238000005469 granulation Methods 0.000 description 10
- 230000003179 granulation Effects 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 10
- 238000012856 packing Methods 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 210000002700 urine Anatomy 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 3
- 235000011613 Pinus brutia Nutrition 0.000 description 3
- 241000018646 Pinus brutia Species 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 206010067125 Liver injury Diseases 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 206010057190 Respiratory tract infections Diseases 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical group O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000234 hepatic damage Toxicity 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000008818 liver damage Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000341 volatile oil 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
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 invention belongs to the technical field of cat litter preparation, and discloses degradable bean curd cat litter and a preparation method thereof. The degradable bean curd cat litter is prepared by selecting various renewable resources with abundant raw materials and being degradable. It has the features of high water absorbing performance, less caking, no dust, no pollution, high deodorizing capacity, etc. The preparation process of the degradable bean curd cat litter is simple and convenient, and the whole preparation process of the degradable bean curd cat litter is realized by natural cooling instead of drying, so that the whole water content of the bean curd cat litter is kept consistent inside and outside. The bean curd cat litter is formed in one step, the number of devices required in the preparation process is small, energy consumption is remarkably reduced, and meanwhile, high-temperature drying is not needed, so that the product has lower water content, stronger water absorption and agglomeration effects are achieved, the environment is protected, energy consumption is reduced, the energy utilization rate is improved, and the quality of the bean curd cat litter is guaranteed to the maximum extent.
Description
Technical Field
The invention belongs to the technical field of cat litter preparation, and particularly relates to degradable bean curd cat litter and a preparation method thereof.
Background
Along with the development of society, people who like cat raising are more and more, and in the process of cat raising, the excrement of cat of handling becomes the most time-consuming and labor-consuming thing everyday, for the environmental sanitation of protection family and cat's health, the cat litter is produced at the very beginning. The cat litter is used as padding for burying excrement and urine in the cat, has certain water absorption and deodorization functions, and is a common necessary product for raising pet families. At present, organic cat litter and inorganic cat litter are classified according to chemical properties; dividing the raw materials into mineral soil cat litter, crystal cat litter, plant cat litter and the like; the cat litter is classified into clumped cat litter and non-clumped cat litter according to the effect of use.
The traditional cat litter in the market at present is bentonite cat litter and is characterized by good caking property and less dust; the disadvantages are heavy weight, difficult degradation and inconvenient cleaning; contains artificial aromatic, which is harmful to the respiratory system of pets; the mineral soil is used as a raw material, so that the environment is damaged to a certain extent.
The crystal cat litter is strong in water absorption and deodorization performance, belongs to non-caking cat litter, is inconvenient to clean, is high in price, cannot be recycled after being used, and has a certain damage effect on the environment.
The plant cat litter popular in the market at present mainly comprises paper scrap cat litter, pine cat litter, straw cat litter and bean curd cat litter. The paper scrap cat litter is coated with the powder adhesive layer on the outside, so that powder removal is easily caused, the indoor environment is polluted, and a certain damage effect is realized on the respiratory system of the pet. Pine cat litter and straw cat litter belong to the type that the cat is difficult for accepting, consequently can lead to the cat to take place everywhere the condition of stool and urine on the contrary. Wherein, the part of pine cat litter can be added with components harmful to the cat such as artificial essential oil, thereby causing the liver damage or respiratory tract infection of the cat. However, traditional bean curd cat litter needs to be available through drying process after passing through the granulator, and this type of production mode causes energy consumption to be great.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide degradable bean curd cat litter and a preparation method thereof.
The technical scheme adopted by the invention is as follows: the degradable bean curd cat litter is mainly prepared from the following raw materials in parts by mass:
10-40 parts of plant fiber, 10-60 parts of bean curd residue powder, 20-40 parts of corn starch, 5-15 parts of puffed corn flour, 0.3-3 parts of adhesive, 0.05-1 part of preservative and 0.2-1 part of solvent.
Preferably, the bean curd cat litter is mainly prepared from the following raw materials in parts by mass:
20-30 parts of plant fiber, 25-48 parts of bean curd residue powder, 23-35 parts of corn starch, 8-12 parts of puffed corn flour, 0.5-1.5 parts of adhesive, 0.08-0.5 part of preservative and 0.5-0.9 part of solvent.
Preferably, the bean curd cat litter is mainly prepared from the following raw materials in parts by mass:
25 parts of plant fiber, 38 parts of bean curd residue powder, 26 parts of corn starch, 10 parts of puffed corn flour, 1 part of adhesive, 0.1 part of preservative and 0.7 part of solvent.
The degradable bean curd cat litter provided by the invention is prepared by selecting various renewable resources with abundant raw materials and being degradable. It has the features of high water absorbing performance, less caking, no dust, no pollution, high deodorizing capacity, etc.
Preferably, the plant fiber comprises wood fiber.
Preferably, the wood fibers have a particle size of 20 to 90 mesh;
preferably, the wood fibers have a particle size of 30 to 80 mesh.
The degradable bean curd cat litter provided by the invention adopts wood fibers, and is used for fully absorbing urine of pet cats to the maximum extent by utilizing the characteristic that the wood fibers have a large number of irregular gaps with super-strong hydrophilic performance, so that the urine absorption speed and the urine absorption amount are obviously improved.
Preferably, the okara powder comprises a dry pea pomace powder and/or a dry soybean pomace powder.
Preferably, the binder comprises food grade guar gum.
Preferably, the preservative comprises potassium sorbate and/or calcium propionate.
A preparation method of degradable bean curd cat litter comprises the following steps:
(1) mixing and stirring raw materials: weighing the plant fiber, the bean curd residue powder, the corn starch and the puffed corn flour according to the corresponding proportion, mixing and stirring to obtain a stirred material;
(2) and (3) secondary stirring: weighing the adhesive, the preservative and the solvent according to corresponding proportions, adding the adhesive, the preservative and the solvent into the stirred material obtained in the step (1), and stirring for the second time to obtain a second stirred material;
(3) and (3) product molding: granulating and molding the secondary stirred material obtained in the step (2);
(4) and (3) product dust removal: dedusting the formed product obtained in the step (3);
(5) preparing a finished product: and (4) cooling the product obtained in the step (4) after dust removal to obtain a finished product.
The preparation process of the degradable bean curd cat litter is simple and convenient, and the whole preparation process is realized by a natural cooling rather than a drying process in terms of formula and process, so that the whole moisture content of the bean curd cat litter is kept consistent inside and outside. The bean curd cat litter is formed in one step, the number of devices required in the preparation process is small, energy consumption is remarkably reduced, and meanwhile, high-temperature drying is not needed, so that the product has lower water content, stronger water absorption and agglomeration effects are achieved, the environment is protected, energy consumption is reduced, the energy utilization rate is improved, and the quality of the bean curd cat litter is guaranteed to the maximum extent.
Preferably, the water content of the finished product in the step (5) is 10-14%;
preferably, the moisture content of the finished product is 13%.
The water content of the finished cat litter is set in the bean curd cat litter provided by the invention, and because a drying treatment device is used in a conventional cat litter preparation process, the internal and external water contents of the cat litter are inconsistent, so that the external crushing performance of the cat litter is improved remarkably. The preparation process of the invention does not carry out drying treatment on the bean curd cat litter, thereby ensuring the consistency of the whole water content of the bean curd cat litter, obviously reducing the crushing performance of the bean curd cat litter, improving the quality of the bean cat litter and simultaneously improving the water absorption rate.
The invention has the beneficial effects that:
the invention provides degradable bean curd cat litter which is prepared by selecting various renewable resources with abundant raw materials and being degradable. It has the features of high water absorbing performance, less caking, no dust, no pollution, high deodorizing capacity, etc. The preparation process of the degradable bean curd cat litter is simple and convenient, and the whole preparation process of the degradable bean curd cat litter is realized by natural cooling instead of drying, so that the whole water content of the bean curd cat litter is kept consistent inside and outside. The bean curd cat litter is formed in one step, the number of devices required in the preparation process is small, energy consumption is remarkably reduced, and meanwhile, high-temperature drying is not needed, so that the product has lower water content, stronger water absorption and agglomeration effects are achieved, the environment is protected, energy consumption is reduced, the energy utilization rate is improved, and the quality of the bean curd cat litter is guaranteed to the maximum extent.
Detailed Description
The present invention is further illustrated below with reference to specific examples. It will be appreciated by those skilled in the art that the following examples, which are set forth to illustrate the present invention, are intended to be part of the present invention, but not to be construed as limiting the scope of the present invention. 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. The examples were carried out under the conventional conditions, unless otherwise specified. The reagents used are all conventional products which are commercially available.
Example 1:
10 g of wood fiber, 10 g of dry pea residue powder, 20 g of food-grade corn starch and 5 g of puffed corn powder are selected and weighed, put into a mixer to be uniformly mixed, and then sent into a stirrer through a packing auger to be stirred for 10 minutes to obtain a stirred material. Selecting and weighing 0.3 g of edible guar gum, 0.05 g of potassium sorbate and 0.2 g of water, putting the materials into a stirrer through a putting window of the stirrer, mixing the materials with the stirred materials, and stirring the materials for 15 minutes again to obtain secondary stirred materials. And (4) feeding the secondary stirred material into a flat-die granulator through a conveyor belt for granulation and forming. Removing dust in the preparation process of the molded product through a rolling screen, conveying the molded product into a cooling tower through a conveyor belt, cooling the molded product by using natural air, and cooling the molded product to room temperature to obtain a finished product, wherein the water content of the finished product is 10%.
Example 2:
10 g of wood fiber, 10 g of dry pea residue powder, 20 g of food-grade corn starch and 5 g of puffed corn powder are selected and weighed, put into a mixer to be uniformly mixed, and then sent into a stirrer through a packing auger to be stirred for 50 minutes to obtain a stirred material. Selecting and weighing 0.3 g of edible guar gum, 0.05 g of potassium sorbate and 0.2 g of water, putting the materials into a stirrer through a putting window of the stirrer, mixing the materials with the stirred materials, and stirring the materials for 45 minutes again to obtain secondary stirred materials. And (4) feeding the secondary stirred material into a flat-die granulator through a conveyor belt for granulation and forming. And removing dust in the preparation process of the molded product through a rolling screen, conveying the molded product into a cooling tower through a conveyor belt, cooling the molded product by using natural air, and cooling the molded product to room temperature to obtain a finished product, wherein the water content of the finished product is 14%.
Example 3:
40 g of wood fiber, 60 g of dry soybean residue powder, 40 g of edible corn starch and 15 g of puffed corn powder are selected and weighed, put into a mixer to be uniformly mixed, and then sent into a stirrer through a packing auger to be stirred for 10 minutes to obtain a stirred material. Selecting and weighing 3 g of edible guar gum, 1 g of potassium sorbate and 1 g of water, feeding the mixture into a stirrer through a feeding window of the stirrer, mixing the mixture with a stirring material, and stirring the mixture for 15 minutes again to obtain a secondary stirring material. And (4) feeding the secondary stirred material into a flat-die granulator through a conveyor belt for granulation and forming. Removing dust in the preparation process of the molded product through a rolling screen, conveying the molded product into a cooling tower through a conveyor belt, cooling the molded product by using natural air, and cooling the molded product to room temperature to obtain a finished product, wherein the water content of the finished product is 10%.
Example 4:
40 g of wood fiber, 50 g of dry soybean residue powder, 40 g of edible corn starch and 15 g of puffed corn powder are selected and weighed, put into a mixer to be uniformly mixed, and then sent into a stirrer through a packing auger to be stirred for 50 minutes to obtain a stirred material. Selecting and weighing 3 g of edible guar gum, 1 g of potassium sorbate and 1 g of water, feeding the mixture into the stirrer through a feeding window of the stirrer, mixing the mixture with the stirred material, and stirring the mixture for 45 minutes again to obtain a secondary stirred material. And (4) feeding the secondary stirred material into a flat-die granulator through a conveyor belt for granulation and forming. And removing dust in the preparation process of the molded product through a rolling screen, conveying the molded product into a cooling tower through a conveyor belt, cooling the molded product by using natural air, and cooling the molded product to room temperature to obtain a finished product, wherein the water content of the finished product is 14%.
Example 5:
20 g of wood fiber, 25 g of dry pea residue powder, 23 g of food-grade corn starch and 8 g of puffed corn powder are selected and weighed, put into a mixer to be uniformly mixed, and then sent into a stirrer through a packing auger to be stirred for 20 minutes to obtain a stirred material. Selecting and weighing 0.5 g of edible guar gum, 0.08 g of potassium sorbate and 0.5 g of water, putting the materials into a stirrer through a putting window of the stirrer, mixing the materials with the stirred materials, and stirring the materials for 20 minutes again to obtain secondary stirred materials. And (4) feeding the secondary stirred material into a flat-die granulator through a conveyor belt for granulation and forming. Removing dust in the preparation process of the molded product through a rolling screen, conveying the molded product into a cooling tower through a conveyor belt, cooling the molded product by using natural air, and cooling the molded product to room temperature to obtain a finished product, wherein the water content of the finished product is 10%.
Example 6:
20 g of wood fiber, 25 g of dry pea residue powder, 23 g of food-grade corn starch and 8 g of puffed corn powder are selected and weighed, put into a mixer to be uniformly mixed, and then sent into a stirrer through a packing auger to be stirred for 30 minutes to obtain a stirred material. Selecting and weighing 0.5 g of edible guar gum, 0.08 g of potassium sorbate and 0.5 g of water, putting the materials into a stirrer through a putting window of the stirrer, mixing the materials with the stirred materials, and stirring the materials for 30 minutes again to obtain secondary stirred materials. And (4) feeding the secondary stirred material into a flat-die granulator through a conveyor belt for granulation and forming. And removing dust in the preparation process of the molded product through a rolling screen, conveying the molded product into a cooling tower through a conveyor belt, cooling the molded product by using natural air, and cooling the molded product to room temperature to obtain a finished product, wherein the water content of the finished product is 14%.
Example 7:
30 g of wood fiber, 48 g of dry soybean residue powder, 35 g of edible corn starch and 12 g of puffed corn powder are selected and weighed, put into a mixer to be uniformly mixed, and then sent into a stirrer through a packing auger to be stirred for 20 minutes to obtain a stirred material. Selecting and weighing 1.5 g of edible guar gum, 0.5 g of potassium sorbate and 0.9 g of water, putting the mixture into a stirrer through a putting window of the stirrer, mixing the mixture with the stirred materials, and stirring the mixture for 20 minutes again to obtain secondary stirred materials. And (4) feeding the secondary stirred material into a flat-die granulator through a conveyor belt for granulation and forming. Removing dust in the preparation process of the molded product through a rolling screen, conveying the molded product into a cooling tower through a conveyor belt, cooling the molded product by using natural air, and cooling the molded product to room temperature to obtain a finished product, wherein the water content of the finished product is 10%.
Example 8:
30 g of wood fiber, 48 g of dry soybean residue powder, 35 g of edible corn starch and 12 g of puffed corn powder are selected and weighed, put into a mixer to be uniformly mixed, and then sent into a stirrer through a packing auger to be stirred for 30 minutes to obtain a stirred material. Selecting and weighing 1.5 g of edible guar gum, 0.5 g of potassium sorbate and 0.9 g of water, putting the mixture into a stirrer through a putting window of the stirrer, mixing the mixture with a stirring material, and stirring the mixture for 30 minutes again to obtain a secondary stirring material. And (4) feeding the secondary stirred material into a flat-die granulator through a conveyor belt for granulation and forming. And removing dust in the preparation process of the molded product through a rolling screen, conveying the molded product into a cooling tower through a conveyor belt, cooling the molded product by using natural air, and cooling the molded product to room temperature to obtain a finished product, wherein the water content of the finished product is 14%.
Example 9:
selecting and weighing 15 g of wood fiber, 48 g of dry soybean residue powder, 26 g of edible corn starch and 10 g of puffed corn flour, putting the materials into a mixer, uniformly mixing, and then conveying the materials into a stirrer through a screw conveyer to stir for 30 minutes to obtain a stirred material. Selecting and weighing 1 g of edible guar gum, 0.1 g of potassium sorbate and 0.7 g of water, putting the materials into a stirrer through a putting window of the stirrer, mixing the materials with the stirred materials, and stirring the materials for 30 minutes again to obtain secondary stirred materials. And (4) feeding the secondary stirred material into a flat-die granulator through a conveyor belt for granulation and forming. And removing dust in the preparation process of the molded product through a rolling screen, conveying the molded product into a cooling tower through a conveyor belt, cooling the molded product by using natural air, and cooling the molded product to room temperature to obtain a finished product, wherein the water content of the finished product is 13%.
Example 10:
selecting and weighing 15 g of wood fiber, 48 g of dry soybean residue powder, 26 g of edible corn starch and 10 g of puffed corn flour, putting the materials into a mixer, uniformly mixing, and then conveying the materials into a stirrer through a screw conveyer to stir for 25 minutes to obtain a stirred material. Selecting and weighing 1 g of edible guar gum, 0.1 g of potassium sorbate and 0.7 g of water, putting the materials into a stirrer through a putting window of the stirrer, mixing the materials with the stirred materials, and stirring the materials for 25 minutes again to obtain secondary stirred materials. And (4) feeding the secondary stirred material into a flat-die granulator through a conveyor belt for granulation and forming. And removing dust in the preparation process of the molded product through a rolling screen, conveying the molded product into a cooling tower through a conveyor belt, cooling the molded product by using natural air, and cooling the molded product to room temperature to obtain a finished product, wherein the water content of the finished product is 12%.
Examples of the experiments
The cat litter with granular exterior, uniform and consistent overall color, no obvious color difference, no pungent smell, no peculiar smell such as mildew and the like and no obvious visible foreign impurities is selected as the object of the experimental detection.
This experiment chooses for use 3 detection indexes, do respectively: the length of agglomeration, the size of the agglomerated sphere and the agglomeration compactness.
1000g of cat litter of the corresponding embodiment is prepared according to the preparation method of the embodiment, 1000g of cat litter of the embodiment to be detected is selected, the cat litter is divided into 10 parts, 10 plastic baskets are selected for each part of cat litter of the embodiment, the cat litter of the embodiment is coded, 1-10, the 10 parts of cat litter of the embodiment are respectively placed into 10 plastic baskets, 20m L water is simultaneously added into each cat litter of the embodiment, timing is started respectively, when the experimental sample completely absorbs the water and is agglomerated, timing is stopped, the agglomeration time duration required by the cat litter in all the plastic baskets is recorded, the agglomeration time duration is the average value of the agglomeration time durations of the 10 parts of cat litter, the size of the agglomeration sphere is the average value of the diameter measured values of the spheres after agglomeration, and the agglomeration compactness can be judged by observing the void degree between the cat litter after agglomeration.
Weighing the total weight m1 of the cat litter and the plastic basket in advance before carrying out the experiment, then adding water, weighing the total weight m2 of the cat litter and the plastic basket again after the experiment is terminated, and the water absorption rate is m2-m1/m2 × 100%.
The 1000g of bean curd cat litter on the existing market is selected as a control group experimental object, the 1000g of bean curd cat litter is divided into 10 parts, each part is 100g, 10 plastic baskets are selected, and the parts are coded, 1-10. the 10 parts of control group cat litter are respectively placed into 10 plastic baskets, 20m L water is simultaneously added into each part of control group cat litter, then timing is respectively started, when the experimental sample completely absorbs the water and is in a conglomerated state, the timing is stopped, the conglomeration time required by the cat litter in all the plastic baskets is recorded, the conglomeration time is the average value of the conglomeration time of the 10 parts of cat litter, the size of the conglomeration sphere is the average value of the diameter measured values of the conglomerated spheres, the conglomeration compactness can be judged by observing the void degree among the conglomerated cat litter, and the following conclusions are obtained, as shown in Table 1:
TABLE 1 detection table for caking property of tofu and cat litter
Note: "+" indicates the degree of clumping tightness, "+ + + +" indicates the degree of clumping tightness is normal, "+ + + + + + +" indicates the degree of clumping tightness is slightly higher, "+ + + + + + + + + + + +" indicates the degree of clumping tightness is higher, "+ + + + + + + + + + + + +" indicates the degree of clumping tightness is higher, and "+ + + + + + + + + + + + + + +" indicates the degree of clumping tightness is extremely high.
The results in table 1 show that in the examples of the tofu litter provided by the present invention, examples 9 and 10 showed the best effect, and the other examples all showed the effect compared to the control group. Meanwhile, it can be found from the data in the tables that the agglomeration time period in examples 1 to 4 is relatively long, the agglomerated spherical size is in a conventional state, and the agglomeration compactness is slightly high. The agglomeration time in examples 5 to 8 was much shorter, the size of the agglomerated sphere was gradually reduced, and the agglomeration compactness was gradually improved.
The contrast group selected at this time is a common similar product in the market.
The stirrer selected in the specific implementation process can be used by utilizing the prior art to realize uniform stirring of the raw materials. This has chooseed flat-die granulator for the pelletization of finished product, chooseed the ring die granulator for use and has realized the pelletization of finished product equally. The specification or the appearance shape of the finished product prepared from the bean curd cat litter can be changed correspondingly according to actual requirements.
The invention provides degradable bean curd cat litter which is prepared by selecting various renewable resources with abundant raw materials and being degradable. It has the features of high water absorbing performance, less caking, no dust, no pollution, high deodorizing capacity, etc. The preparation process of the degradable bean curd cat litter is simple and convenient, and the whole preparation process of the degradable bean curd cat litter is realized by natural cooling instead of drying, so that the whole water content of the bean curd cat litter is kept consistent inside and outside. The bean curd cat litter is formed in one step, the number of devices required in the preparation process is small, energy consumption is remarkably reduced, and meanwhile, high-temperature drying is not needed, so that the product has lower water content, stronger water absorption and agglomeration effects are achieved, the environment is protected, energy consumption is reduced, the energy utilization rate is improved, and the quality of the bean curd cat litter is guaranteed to the maximum extent.
While particular embodiments of the present invention have been illustrated and described, it will be appreciated that the present invention is not limited to the above-described alternative embodiments, and that various other forms of product may be devised by anyone in light of the present invention. The foregoing detailed description should not be construed as limiting the scope of the invention, and those skilled in the art will understand that various modifications can be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features can be equivalently replaced, without departing from the spirit and scope of the invention, and at the same time, such modifications or replacements do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the invention; the scope of the invention should be determined with reference to the appended claims, and the description should be construed to interpret the claims.
Claims (10)
1. The degradable bean curd cat litter is characterized by being prepared from the following raw materials in parts by mass:
10-40 parts of plant fiber, 10-60 parts of bean curd residue powder, 20-40 parts of corn starch, 5-15 parts of puffed corn flour, 0.3-3 parts of adhesive, 0.05-1 part of preservative and 0.2-1 part of solvent.
2. The degradable bean curd cat litter according to claim 1, wherein the bean curd cat litter is prepared from the following raw materials in parts by mass:
20-30 parts of plant fiber, 25-48 parts of bean curd residue powder, 23-35 parts of corn starch, 8-12 parts of puffed corn flour, 0.5-1.5 parts of adhesive, 0.08-0.5 part of preservative and 0.5-0.9 part of solvent.
3. The degradable bean curd cat litter according to claim 1, wherein the bean curd cat litter is prepared from the following raw materials in parts by mass:
25 parts of plant fiber, 38 parts of bean curd residue powder, 26 parts of corn starch, 10 parts of puffed corn flour, 1 part of adhesive, 0.1 part of preservative and 0.7 part of solvent.
4. The degradable tofu cat litter of any one of claims 1 to 3 wherein said plant fiber comprises wood fiber.
5. The degradable bean curd cat litter according to claim 4, wherein the wood fiber has a particle size of 20-90 mesh;
preferably, the wood fiber has a particle size of 30 to 80 mesh.
6. The degradable soybean curd cat litter according to any one of claims 1 to 3 wherein the soybean curd refuse powder comprises dried pea refuse powder and/or dried soybean refuse powder.
7. The degradable tofu litter of any one of claims 1 to 3 wherein the binder comprises food grade guar gum.
8. The degradable tofu cat litter according to any one of claims 1 to 3 wherein the preservative comprises potassium sorbate and/or calcium propionate.
9. The method for preparing the degradable bean curd cat litter according to any one of claims 1 to 3, wherein the method comprises the following steps:
(1) mixing and stirring raw materials: weighing the plant fiber, the bean curd residue powder, the corn starch and the puffed corn flour according to the corresponding proportion, mixing and stirring to obtain a stirred material;
(2) and (3) secondary stirring: weighing the adhesive, the preservative and the solvent according to corresponding proportions, adding the adhesive, the preservative and the solvent into the stirred material obtained in the step (1), and stirring for the second time to obtain a second stirred material;
(3) and (3) product molding: granulating and molding the secondary stirred material obtained in the step (2);
(4) and (3) product dust removal: dedusting the formed product obtained in the step (3);
(5) preparing a finished product: and (4) cooling the product obtained in the step (4) after dust removal to obtain a finished product.
10. The method for preparing the degradable bean curd cat litter according to claim 9, wherein the water content of the finished product in the step (5) is 10-14%;
preferably, the moisture content of the finished product is 13%.
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