CN107320758B

CN107320758B - Air purifying agent for efficiently removing bacteria in livestock and poultry breeding environment

Info

Publication number: CN107320758B
Application number: CN201710669556.3A
Authority: CN
Inventors: 王婧宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-08
Filing date: 2017-08-08
Publication date: 2020-12-29
Anticipated expiration: 2037-08-08
Also published as: CN107320758A

Abstract

The invention provides an air purifying agent for efficiently removing bacteria in a livestock and poultry breeding environment, which sequentially comprises a fragrance layer, a first sterilization adsorption layer, a first sterilization and deodorization layer, a second sterilization adsorption layer and a second sterilization and deodorization layer from top to bottom; the preparation raw materials of the fresh scent layer comprise honeysuckle extract, dried orange peel extract, camphor tree extract, tea tree essential oil and nano titanium dioxide; the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer comprise a carrier composition, beeswax and plant extracts, wherein the plant extracts comprise ailanthus altissima extract, gallnut extract, rheum palmatum extract, scutellaria baicalensis extract, green tea extract, eucalyptus citriodora extract, liquorice extract, hypericum perforatum extract and rosemary extract; the preparation raw materials of the first sterilization smell removal layer and the second sterilization smell removal layer comprise honeycomb activated carbon, nano silver oxide and tourmaline.

Description

Air purifying agent for efficiently removing bacteria in livestock and poultry breeding environment

Technical Field

The invention relates to the field of air purifiers, in particular to an air purifier for efficiently removing bacteria in a livestock and poultry breeding environment.

Background

The dairy industry is an important component of the food industry in China, and in recent years, the dairy industry in China develops rapidly, but is influenced by the impact of imported dairy products and the safety events of the dairy products in China, the development of the dairy industry in China is limited, and the quality of the dairy products becomes the restriction condition of the development of the dairy industry. The quality control of the dairy product needs to be started from the quality of raw milk and the processing process of the dairy product, and the important factor influencing the quality of the raw milk is microbial pollution, so that the microbial pollution risk of the raw milk is reduced on the premise of ensuring the good quality of the dairy product.

In order to prevent the phenomenon that the number of microorganisms in milk is increased due to unclean cow bodies and unclean living environment of a cowshed, the sanitary management strength of the cowshed needs to be increased, and a corresponding sanitary management system is established in time. Regularly clean, clean the peripheral sanitary environment of cowshed, clear up the excrement of cow every day, in time clear up trough and manger to regularly change the bedding grass of cow lodging, under the condition of guaranteeing cowshed ventilation daylighting, wash the ox bed with suitable disinfectant, clean and brush the cattle body before milking every day, guarantee the health of cattle body.

In addition, the effective antibacterial action of the natural plant extract, the adsorption action of the activated carbon and the antibacterial and sterilizing action of the nano silver oxide and the tourmaline are utilized to effectively inhibit the growth of air microorganisms in the dairy cow breeding environment and improve the quality of the dairy products.

Therefore, the air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment has the characteristics of high efficiency, broad spectrum and good persistence, and the sterilizing material has low production cost, can be recycled, is nontoxic, has no peculiar smell and has no influence on the environment.

Disclosure of Invention

In order to solve the problems, the first aspect of the invention provides an air purifying agent for efficiently removing bacteria in a livestock and poultry breeding environment, which sequentially comprises a fragrance layer, a first sterilization and adsorption layer, a first sterilization and odor removal layer, a second sterilization and adsorption layer and a second sterilization and odor removal layer from top to bottom;

the preparation raw materials of the fresh scent layer comprise honeysuckle extract, dried orange peel extract, camphor tree extract, tea tree essential oil and nano titanium dioxide;

the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer comprise a carrier composition, beeswax and a plant extract, wherein the carrier composition is mesoporous silica-quaternized ethyl cellulose, and the plant extract comprises an ailanthus altissima extract, a gallnut extract, a rheum palmatum extract, a scutellaria baicalensis extract, a green tea extract, a eucalyptus citriodora extract, a licorice extract, a hypericum perforatum extract and a rosemary extract;

the preparation raw materials of the first sterilization smell removal layer and the second sterilization smell removal layer comprise honeycomb activated carbon, nano silver oxide and tourmaline.

In one embodiment, the preparation raw materials of the fresh scent layer comprise 1-10 parts of honeysuckle extract, 1-5 parts of dried orange peel extract, 1-5 parts of orange peel extract, 1-8 parts of camphor tree extract, 1-3 parts of tea tree essential oil and 10-25 parts of nano titanium dioxide by weight.

In one embodiment, the preparation raw materials of the fresh scent layer comprise 8 parts of honeysuckle extract, 3 parts of dried orange peel extract, 4 parts of orange peel extract, 6 parts of camphor tree extract, 2 parts of tea tree essential oil and 20 parts of nano titanium dioxide.

In one embodiment, the plant extracts in the raw materials for preparing the first and second sterilization absorption layers comprise 1-5 parts of ailanthus altissima extract, 2-8 parts of gallnut extract, 1-3 parts of rheum palmatum extract, 5-10 parts of scutellaria baicalensis extract, 6-12 parts of green tea extract, 5-8 parts of eucalyptus citriodora extract, 2-10 parts of liquorice extract, 3-7 parts of hypericum perforatum extract and 1-3 parts of rosemary extract in parts by weight.

In one embodiment, the plant extracts in the raw materials for preparing the first and second sterilization absorption layers comprise 3 parts of ailanthus altissima extract, 7 parts of gallnut extract, 2 parts of rheum palmatum extract, 6 parts of scutellaria baicalensis extract, 10 parts of green tea extract, 7 parts of eucalyptus citriodora extract, 6 parts of liquorice extract, 5 parts of hypericum perforatum extract and 1 part of rosemary extract in parts by weight.

In one embodiment, the weight ratio of the carrier composition to the beeswax and the plant extract in the raw materials for preparing the first and second sterilization absorption layers is 1: (0.2-0.4): (0.3-0.7).

In one embodiment, the weight ratio of the carrier composition to the beeswax and the plant extract in the raw materials for preparing the first and second sterilization absorption layers is 1: 0.24: 0.56.

in one embodiment, the weight ratio of the honeycomb activated carbon to the nano silver oxide and the tourmaline in the raw materials for preparing the first and second sterilization and odor removal layers is 1: (0.1-0.3): (0.2-0.8).

In one embodiment, the weight ratio of the honeycomb activated carbon to the nano silver oxide and the tourmaline in the raw materials for preparing the first and second sterilization and odor removal layers is 1: 0.26: 0.64.

the invention also provides a preparation method of the air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment, which comprises the following steps:

(1) adding honeysuckle extract, dried orange peel extract, camphor tree extract, tea tree essential oil and nano titanium dioxide into a reactor according to the weight parts, and stirring for 1 hour at room temperature to obtain a composition for efficiently removing a faint scent layer in the formaldehyde air purifying agent;

(2) adding ailanthus altissima extract, gallnut extract, rheum palmatum extract, scutellaria baicalensis extract, green tea extract, eucalyptus citriodora extract, liquorice extract, hypericum perforatum extract, rosemary extract, absolute ethyl alcohol and a carrier composition into a reactor according to parts by weight, stirring at room temperature for 1h, drying at 40 ℃ under reduced pressure for 10h, adding beeswax, and uniformly stirring to obtain a sterilization adsorption layer composition;

(3) uniformly mixing the honeycomb activated carbon, the nano silver oxide and the tourmaline according to the weight ratio to obtain a polymerization-removing and odor-removing layer composition;

(4) and pouring the faint scent layer composition, the first sterilization adsorption layer, the first sterilization and deodorization layer, the second sterilization adsorption layer and the second sterilization and deodorization layer into a mold in sequence to obtain the air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment.

The above-described and other features, aspects, and advantages of the present application will become more apparent with reference to the following detailed description.

Detailed Description

The disclosure may be understood more readily by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.

The term "prepared from …" as used herein is synonymous with "comprising". The terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "containing," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, process, method, article, or apparatus.

The conjunction "consisting of …" excludes any unspecified elements, steps or components. If used in a claim, the phrase is intended to claim as closed, meaning that it does not contain materials other than those described, except for the conventional impurities associated therewith. When the phrase "consisting of …" appears in a clause of the subject matter of the claims rather than immediately after the subject matter, it defines only the elements described in the clause; other elements are not excluded from the claims as a whole.

When an amount, concentration, or other value or parameter is expressed as a range, preferred range, or as a range of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when a range of "1 to 5" is disclosed, the described range should be interpreted to include the ranges "1 to 4", "1 to 3", "1 to 2 and 4 to 5", "1 to 3 and 5", and the like. When a range of values is described herein, unless otherwise stated, the range is intended to include the endpoints thereof and all integers and fractions within the range.

The singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. "optional" or "any" means that the subsequently described event or events may or may not occur, and that the description includes instances where the event occurs and instances where it does not.

Approximating language, as used herein throughout the specification and claims, is intended to modify a quantity, such that the invention is not limited to the specific quantity, but includes portions that are literally received for modification without substantial change in the basic function to which the invention is related. Accordingly, the use of "about" to modify a numerical value means that the invention is not limited to the precise value. In some instances, the approximating language may correspond to the precision of an instrument for measuring the value. In the present description and claims, range limitations may be combined and/or interchanged, including all sub-ranges contained therein if not otherwise stated.

In addition, the indefinite articles "a" and "an" preceding an element or component of the invention are not intended to limit the number requirement (i.e., the number of occurrences) of the element or component. Thus, "a" or "an" should be read to include one or at least one, and the singular form of an element or component also includes the plural unless the stated number clearly indicates that the singular form is intended.

"Polymer" means a polymeric compound prepared by polymerizing monomers of the same or different types. The generic term "polymer" embraces the terms "homopolymer", "copolymer", "terpolymer" and "interpolymer".

"interpolymer" means a polymer prepared by polymerizing at least two different monomers. The generic term "interpolymer" includes the term "copolymer" (which is generally used to refer to polymers prepared from two different monomers) and the term "terpolymer" (which is generally used to refer to polymers prepared from three different monomers). It also includes polymers made by polymerizing more monomers. "blend" means a polymer formed by two or more polymers being mixed together by physical or chemical means.

The first aspect of the invention provides an air purifying agent for efficiently removing bacteria in a livestock and poultry breeding environment, which sequentially comprises a fresh scent layer, a first sterilization adsorption layer, a first sterilization and odor removal layer, a second sterilization adsorption layer and a second sterilization and odor removal layer from top to bottom;

Honeysuckle extract

Honeysuckle, also known as honeysuckle, honeysuckle flower, etc., has been known as a good medicine for clearing heat and removing toxicity since ancient times. It is sweet and cold in nature and fragrant, sweet and cold in nature and clearing heat without hurting stomach, and the fragrance is thorough and can eliminate pathogens. Honeysuckle can disperse wind-heat and clear blood toxin, and has obvious effect on various heat diseases such as fever, eruption, macula, sore and carbuncle due to heat toxin, sore throat and the like.

The efficacy is to clear away heat and toxic material and mainly treat epidemic febrile disease and fever; dysentery with bloody stool due to heat-toxicity; carbuncle and furuncle; pharyngitis and various infectious diseases; it has broad-spectrum antibacterial effect, and has strong inhibitory effect on pathogenic bacteria such as Staphylococcus aureus and Bacillus dysenteriae; has obvious anti-inflammatory and antipyretic effects.

Meridian tropism: stomach meridian and lung meridian.

The extraction method comprises the following steps: picking when the flower is bud in early summer, and drying in the shade; adding 12 times of water, decocting for 3 hr, and concentrating the decoction under reduced pressure.

Dried orange peel extract

Pericarpium citri reticulatae, another name: orange peel, noble aged, red peel, yellow orange peel, cantaloupe peel, Xinhui peel, orange peel and Guangdong orange peel. Is mature pericarp of Rutaceae plant fructus Citri Tangerinae and its cultivar. Orange evergreen small trees or shrubs are cultivated on the coasts or plains of hills, low mountainous areas, rivers and lakes. Distributed in regions of south of the Yangtze river. When the fruit is ripe in 10-12 months, the fruit is picked off, the peel is peeled off, and the fruit is dried in the shade or in the air.

The pericarpium Citri Tangerinae contains volatile oil, hesperidin, vitamin B, C, etc., and the volatile oil has mild irritation effect on gastrointestinal tract, and can promote secretion of digestive juice, eliminate intestinal tract pneumatosis and stimulate appetite. The dried orange peel is also a common traditional Chinese medicine and has the effects of ventilating, strengthening spleen, eliminating dampness and phlegm, removing grease and retaining fragrance, and calming adverse-rising energy and preventing vomiting.

Meridian tropism: warming; pungent and bitter; it enters spleen and lung meridians.

The extraction method comprises the following steps: adding 10 times of 80% ethanol solution into dried pericarpium Citri Tangerinae, ultrasonic extracting for 6 hr, and concentrating the extractive solution under reduced pressure.

Camphor tree extract

The camphor tree is named as follows: camphor wood, camphorwood and air-dried powder; meridian tropism: pungent and warm; the functional indications are as follows: induce resuscitation and remove filth, warm middle energizer and relieve pain, remove dampness and kill parasites. Can be used for treating vomiting and diarrhea due to cold-dampness, and stomach and abdominal pain; it is externally used for treating scabies, tinea and pain caused by dental caries. The source is a granular crystal obtained by distilling roots, branches, leaves and waste materials of Cinnamomum camphora (L.) Presl of Lauraceae.

Tea tree essential oil

The tea tree essential oil has effects of sterilizing, diminishing inflammation, astringing follicular orifice, treating common cold, cough, rhinitis and asthma, and improving dysmenorrhea, menoxenia and genital infection; is suitable for oily and acne skin, and can be used for treating suppurative wound, burn, sunburn, tinea pedis, and dandruff; refreshing brain, restoring vitality and resisting depression.

The extraction method comprises the following steps: the leaf and the tender tip are taken as raw materials, and the extraction is carried out by adopting a steam distillation method.

Ailanthus altissima extract

Ailanthus altissima (Ailanthus altissima) Ailanthus deciduous tree of Ailanthus genus of Simaroubaceae family, bark of which is gray to grey black, and is named as Ailanthus, Ailanthus tree and Ailanthus exuviana, which are named as the root glands of leaf base dispersing odor. It is native to northeast, middle and taiwan of china. Growing in climatically temperate zones. Its leaf can be fed by Chinese toon silkworm; bark, root bark and fruit can be used as medicine, and has the effects of clearing heat and promoting diuresis, and astringing and stopping dysentery; the oil content of the seeds is 35 percent.

The extraction method comprises the following steps: drying bark, root bark, fruit, etc. in the shade; adding 12 times of water, decocting for 4 hr, and concentrating the decoction under reduced pressure.

Rheum palmatum extract

Rheum palmatum L. of Polygonaceae, Rheum genus, a tall and stout herbaceous plant as high as 2 meters in height, stout woody rhizome. The stem is upright and hollow, the length and width of the leaf blade are nearly equal, the base part is nearly heart-shaped, the upper surface of the leaf is rough to have papillary hair, the leaf stem is thick and cylindrical, the length of the leaf stem is nearly equal to that of the leaf blade, the leaf supporting sheath is large, the inner part is smooth, and the outer part is rough. Panicles, small in flower, usually purplish red, sometimes yellowish white; the pedicel joint is positioned below the middle part; the outer wheel of the quilt sheet is narrower, the inner wheel is larger, the width is oval to be nearly circular, and stamens are not exposed and are adhered to the base parts of the filaments; an ovary which is rhomboid wide oval, a fruit which is oblong oval to oblong, a seed which is wide oval and brownish black. Blossom in 6 months and bear fruit in 8 months. The root and rhizome can be used as medicine. Has effects in purging heat and relaxing bowels, and can be used for treating gastrointestinal sthenia heat stagnation, constipation, abdominal distention, pain, tenderness, high fever, coma and delirium, such as DACHENGQI decoction; or constipation due to cold accumulation due to insufficiency of spleen yang, such as Wen Pi Tang.

The extraction method comprises the following steps: drying root or rhizome in the shade; adding 12 times of water, decocting for 3 hr, and concentrating the decoction under reduced pressure.

Scutellaria baicalensis Georgi extract

Radix Scutellariae, radix Camelliae sinensis, radix seu folium Elaeagni Angustifoliae, putrid-rhizome, radix Et rhizoma Rhei, rainbow peptide, radix Scutellariae, printer head, internal deficiency, jejunum, radix Scutellariae, women of the same species, semen Scutellariae, radix Scutellariae, and radix Scutellariae; the characteristics are as follows: the conical shape is twisted, the length is 8-25 cm, and the diameter is 1-3 cm. The surface is brownish yellow or deep yellow, has sparse warty fine root lines, has a rough upper part and twisted longitudinal wrinkles or irregular reticulate patterns, and has smooth wrinkles and fine wrinkles at the lower part. Hard and brittle, easy to break, yellow section, reddish brown middle, commonly called as Ziqin, which is mainly used to clear fire and nourish yin; the old root is dark brown or brownish black, is rotten or hollow, called as Kuqin, and is mainly used for clearing heat and removing toxicity. Light smell, bitter taste. Can be used for treating chest distress, nausea, damp-heat, dysentery, jaundice, cough due to lung heat, hyperpyrexia, polydipsia, hematemesis, carbuncle, swelling, and sore. The Scutellariae radix mainly contains baicalin, baicalein, wogonin, wogonoside, baicalein, and beta-sitosterol. It has wide antibacterial spectrum and has the functions of inhibiting bacteria, dermatophytes, leptospira, etc. Even staphylococcus aureus which has drug resistance to antibiotics such as penicillin and the like is still sensitive to scutellaria baicalensis.

The extraction method comprises the following steps: grinding Scutellariae radix into fine powder, adding 5 times of water, decocting for 3 hr, and concentrating the decoction under reduced pressure.

Green tea extract

Green tea extract, active ingredient extracted from green tea leaves, mainly comprises tea polyphenols (catechin) etc. Has antioxidant and free radical scavenging effects. The main components include tea polyphenols (GTP), caffeine, aromatic oil, water, minerals, pigment, carbohydrate, protein, amino acids, vitamins, etc.

Tea polyphenols can kill botulinum and spores, and inhibit the activity of bacterial exotoxin. Has antibacterial effect on various pathogenic bacteria causing diarrhea, respiratory tract infection and skin infection. The tea polyphenols have obvious inhibiting effect on Staphylococcus aureus and Proteus which cause pyogenic infection, burn and trauma.

The preparation of the green tea extract may include grinding green tea to produce ground green tea; mixing ground green tea with distilled water and sterilizing the resulting mixture; and drying the mixture and extracting the dried mixture with a solvent.

Eucalyptus citriodora extract

The Eucalyptus citriodora is also called Eucalyptus citriodora, and the Eucalyptus citriodora (Latin scientific name: Eucalyptus citriodora hook. f.) is a evergreen big tree with the height of 40 meters and the diameter at chest of 1.2 meters, is tall in dry shape, straight in straight, smooth and pure in bark, and is known as 'fairy in forest'. The citriodorol has the anti-tuberculosis effect, the 1:100 ten thousand concentration of the citriodorol can inhibit the growth of human tubercle bacillus (H37Rv), and the efficacy is equivalent to that of isoniazid; 1:60 universal inhibition of staphylococcus aureus; 1:6 universal inhibition of growth of mycobacterium phlei. It also has inhibitory effect on some fungi, but has no effect on Escherichia coli.

Glycyrrhiza extract

The liquorice is also named as the old, the old grass, the honey sweet, the beautiful grass, the club grass, the sweet liquorice, the sweet grass root, the sweet rootlet, the red liquorice, the pink liquorice, the meadowrue, the petasites japonicus, the lingtong, the owner, a ouch, the pilgrim, and the like. The liquorice contains many chemical components, but is mainly glycyrrhizin and glycyrrhetinic acid. The functional indications are as follows: invigorating spleen and replenishing qi, clearing away heat and toxic material, eliminating phlegm and relieving cough, relieving spasm and pain, and harmonizing the drugs. Can be used for treating weakness of spleen and stomach, asthenia, palpitation, short breath, cough, excessive phlegm, abdominal and limb spasm, pain, carbuncle, swelling, sore, and drug toxicity and strong nature. Also has antiinflammatory, antiviral, liver protecting, toxic materials clearing away, and immunity enhancing effects.

The extraction method comprises the following steps: adding 10 times of 85% ethanol solution into dried Glycyrrhrizae radix in the shade or air dried Glycyrrhrizae radix, ultrasonic extracting for 6 hr, and concentrating the extractive solution under reduced pressure.

Hypericum perforatum extract

Herba Hyperici perforati, herba Lespedezae Bicoloris, herba Lysimachiae Foenumgraeci, herba speranskiae tuberculatae, rhizoma paridis, radix et rhizoma Rhei, herba Pachyrhizi Erosi, herba Peperomiae Divaricati, herba Pileae Scriptae, herba Artemisiae Anomalae, herba Hyperici perforati; the efficacy and the effect are as follows: clear heat and remove toxicity, astringe to stop bleeding, and remove dampness. It can be used for treating hemoptysis, hematemesis, hematochezia, traumatic hemorrhage, rheumatic osteodynia, aphtha, toxic swelling, and injury due to fire and damp evils. Hypericum perforatum is bitter, pungent and neutral in flavor, and can clear heat and remove toxicity, regulate menstruation and stop bleeding. The whole herb fresh product is often pounded or ground into powder and applied to the affected part in China folks to treat traumatic hemorrhage, pain and furuncle pyogenic infections, burns and scalds and the like; germany has been using it as an anti-depressive drug for over 100 years; the large-area cultivation is also available in the United states and Canada, and is widely applied to clinic. The herba Hyperici perforati contains hypericin and pseudohypericin as effective components, and the secondary metabolites of the two plants have antiviral effect. The latest research shows that hypericum perforatum has an inhibitory effect on HIV, and the phase II clinical test of resisting HIV is reported to be completed and has a better clinical effect.

The extraction method comprises the following steps: adding 80% ethanol solution 6 times the weight of herba Hyperici perforati into the shade-dried or air-dried herba Hyperici perforati, ultrasonic extracting for 6 hr, and concentrating the extractive solution under reduced pressure.

Rosemary extract

Rosemary Latin scientific name: rosmarinus officinalis, english name: rosemary, alias: the dew of the ocean; rosemary is a plant of Rosmarinus of Labiatae, and is a plant with high antioxidant effect. The antioxidant component of herba Rosmarini officinalis mainly comprises carnosic acid, carnosol, rosmanol, ursolic acid, rosmanic acid, etc. Rosemary has effects in relieving flatulence, improving memory, refreshing brain, relieving headache, and improving alopecia.

The extraction method comprises the following steps: by C0₂The supercritical extraction method is used for extracting from stems and leaves of rosemary.

The active ingredients of the plant type disinfectant are derived from various natural plant extracts, so that the plant type disinfectant not only can effectively kill pathogenic bacteria such as escherichia coli, staphylococcus aureus, salmonella typhi and the like, but also has a good antibacterial effect on pseudomonas aeruginosa infectious bacteria; and the natural plant type purifying agent does not cause any harm to human bodies and animals, and is safe and efficient.

Beeswax (Cera flava)

Beeswax is secreted from the abdomen of bees and is a material for nest building of bees, wax ester (Triacontanyl palmitate) is the main component, and the chemical structure is as follows: CH (CH)₃(CH₂)₂₉O-CO-(CH₂)₁₄CH₃The molecular weight of the wax ester is larger, the space structure of the wax ester is like a long hairpin, and the existence of double bonds enables the polymerization of the hairpin to be staggered and overlapped, thus being easy to form a three-dimensional network structure framework configuration; the beeswax oil drops containing a large amount of active ingredients can freely pass through the frame, and gaseous pollutants and lipid pollutants are easily adhered by the oil drops in the frame.

the preparation method of the carrier composition comprises the following steps:

(1) adding ethyl cellulose and a sodium hydroxide aqueous solution with the mass fraction of 20% into a reactor, stirring for 20h at room temperature, filtering, and drying under reduced pressure for 20h at the temperature of 45 ℃ to obtain alkaline ethyl cellulose; the weight ratio of the ethyl cellulose to the sodium hydroxide aqueous solution with the mass fraction of 20% is 1: 4; adding isopropanol into alkaline ethyl cellulose, stirring for 0.5h, slowly and sequentially dropwise adding a sodium hydroxide aqueous solution with the mass fraction of 20%, a 2-hydroxy-N, N, N-trimethyl ethylammonium (CAS:62-49-7) aqueous solution and a 3-chloro-2-hydroxypropyl trimethyl ammonium chloride (CAS:3327-22-8) aqueous solution, heating to 50 ℃, reacting for 5h under heat preservation, filtering, rinsing with absolute ethyl alcohol for 3 times, and drying under reduced pressure at 45 ℃ for 20h to obtain quaternized ethyl cellulose; the weight ratio of the alkaline ethyl cellulose to the isopropanol to the sodium hydroxide aqueous solution with the mass fraction of 20%, to the 2-hydroxy-N, N, N-trimethylethammonium aqueous solution to the 3-chloro-2-hydroxypropyltrimethylammonium chloride aqueous solution is 1: 6: 2: 0.6: 1.0; the concentration of the 2-hydroxy-N, N, N-trimethyl ethylammonium aqueous solution is 0.7g/ml, and the concentration of the 3-chloro-2-hydroxypropyl trimethyl ammonium chloride aqueous solution is 0.5 g/ml;

(2) preparing mesoporous silica gel SBA-15: adding P123 and 18% hydrochloric acid solution by mass into a reactor, heating to 40 ℃, stirring for 2h, slowly adding TEOS dropwise, after dropwise adding, keeping the temperature for reaction for 20h, then transferring the reactant into a reaction kettle, crystallizing for 48h at 100 ℃, cooling, filtering, washing with purified water to be neutral, drying under reduced pressure for 20h at 50 ℃, and finally calcining for 6h at 550 ℃ to remove a template agent P123, thus obtaining SBA-15; the molar ratio of TEOS to P123 to HCl in hydrochloric acid solution with the mass fraction of 18% is 1: 0.015: 5.2;

(3) adding mesoporous silica gel SBA-15, quaternized ethyl cellulose and xanthan gum into a reactor, uniformly mixing, adding into a double-screw extruder, and extruding at 130 ℃ and at a screw rotating speed of 80 r.min^-1Extruding, cooling the extrudate at room temperature to obtain the carrier composition, wherein the weight ratio of the mesoporous silica gel SBA-15 to the quaternized ethyl cellulose to the xanthan gum is 1: 0.64: 0.72.

the TEOS is tetraethoxysilane; and the P123 is a triblock copolymer of polyethylene oxide-polypropylene oxide-polyethylene oxide.

The huge specific surface area of the mesoporous silica gel has strong dispersion effect on the medicament, can obviously increase the contact area of the medicament and a dissolution medium, and is beneficial to the permeation of the dissolution medium. In addition, the mesoporous silica has abundant silanol groups on the surface, is a hydrophilic carrier, and can improve the wettability of insoluble drugs. The carrier composition mesoporous silica-quaternized ethyl cellulose fully exerts the functions of the mesoporous silica for improving the dissolution rate of the plant extract and stabilizing the amorphous plant extract, and can prolong the action time of the plant extract; in addition, the quaternized ethyl cellulose is positively charged, adsorbs negatively charged microorganisms through electrostatic action to contact with the surface of the thallus, penetrates through cell walls to be combined with cell membranes, destroys the cell membranes, causes leakage of intracellular substances, and finally causes the thallus to die.

The mesoporous silica slowly releases the plant extract, prolongs the sterilization and polymerization action time of the effective components in the plant extract, and further improves the sterilization and sterilization action by combining with the quaternized ethyl cellulose.

The present invention will be specifically described below by way of examples. It should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and that the insubstantial modifications and adaptations of the present invention by those skilled in the art based on the above disclosure are still within the scope of the present invention.

In addition, the raw materials used are commercially available from national chemical reagents, unless otherwise specified.

Example 1

The air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment sequentially comprises a fragrance layer, a first sterilization adsorption layer, a first sterilization and odor removal layer, a second sterilization adsorption layer and a second sterilization and odor removal layer from top to bottom; the preparation raw materials of the fresh scent layer comprise 8 parts of honeysuckle extract, 3 parts of dried orange peel extract, 4 parts of orange peel extract, 6 parts of camphor tree extract, 2 parts of tea tree essential oil and 20 parts of nano titanium dioxide; the weight ratio of the carrier composition to the beeswax to the plant extract in the raw materials for preparing the first sterilization adsorption layer and the second sterilization adsorption layer is 1: 0.24: 0.56, the plant extracts in the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer comprise 3 parts of ailanthus altissima extract, 7 parts of gallnut extract, 2 parts of rheum palmatum extract, 6 parts of scutellaria baicalensis extract, 10 parts of green tea extract, 7 parts of eucalyptus citriodora extract, 6 parts of liquorice extract, 5 parts of hypericum perforatum extract and 1 part of rosemary extract; the raw materials for preparing the first sterilization and odor removal layer and the second sterilization and odor removal layer comprise honeycomb activated carbon, nano silver oxide and tourmaline; the weight ratio of the honeycomb activated carbon to the nano silver oxide to the tourmaline in the raw materials for preparing the first sterilizing odor removing layer and the second sterilizing odor removing layer is 1: 0.26: 0.64 of;

the preparation method of the air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment comprises the following steps:

(1) adding ethyl cellulose and a sodium hydroxide aqueous solution with the mass fraction of 20% into a reactor, stirring for 20h at room temperature, filtering, and drying under reduced pressure for 20h at the temperature of 45 ℃ to obtain alkaline ethyl cellulose; the weight ratio of the ethyl cellulose to the sodium hydroxide aqueous solution with the mass fraction of 20% is 1: 4; adding isopropanol into alkaline ethyl cellulose, stirring for 0.5h, slowly and sequentially dropwise adding a sodium hydroxide aqueous solution with the mass fraction of 20%, a 2-hydroxy-N, N, N-trimethyl ethylammonium aqueous solution and a 3-chloro-2-hydroxypropyl trimethyl ammonium chloride aqueous solution, heating to 50 ℃, carrying out heat preservation reaction for 5h, filtering, leaching with absolute ethyl alcohol for 3 times, and drying under reduced pressure for 20h at the temperature of 45 ℃ to obtain quaternized ethyl cellulose; the weight ratio of the alkaline ethyl cellulose to the isopropanol to the sodium hydroxide aqueous solution with the mass fraction of 20%, to the 2-hydroxy-N, N, N-trimethylethammonium aqueous solution to the 3-chloro-2-hydroxypropyltrimethylammonium chloride aqueous solution is 1: 6: 2: 0.6: 1.0; the concentration of the 2-hydroxy-N, N, N-trimethyl ethylammonium aqueous solution is 0.7g/ml, and the concentration of the 3-chloro-2-hydroxypropyl trimethyl ammonium chloride aqueous solution is 0.5 g/ml;

example 2

The air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment sequentially comprises a fragrance layer, a first sterilization adsorption layer, a first sterilization and odor removal layer, a second sterilization adsorption layer and a second sterilization and odor removal layer from top to bottom; the preparation raw materials of the fresh scent layer comprise 8 parts of honeysuckle extract, 3 parts of dried orange peel extract, 4 parts of orange peel extract, 6 parts of camphor tree extract, 2 parts of tea tree essential oil and 20 parts of nano titanium dioxide; the weight ratio of the carrier composition to the beeswax to the plant extract in the raw materials for preparing the first sterilization adsorption layer and the second sterilization adsorption layer is 1: 0.2: 0.7, the plant extracts in the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer comprise 3 parts of ailanthus altissima extract, 7 parts of gallnut extract, 2 parts of rheum palmatum extract, 6 parts of scutellaria baicalensis extract, 10 parts of green tea extract, 7 parts of eucalyptus citriodora extract, 6 parts of liquorice extract, 5 parts of hypericum perforatum extract and 1 part of rosemary extract; the raw materials for preparing the first sterilization and odor removal layer and the second sterilization and odor removal layer comprise honeycomb activated carbon, nano silver oxide and tourmaline; the weight ratio of the honeycomb activated carbon to the nano silver oxide to the tourmaline in the raw materials for preparing the first sterilizing odor removing layer and the second sterilizing odor removing layer is 1: 0.26: 0.64 of;

the preparation method of the air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment is the same as that of the carrier composition in the example 1.

Example 3

The air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment sequentially comprises a fragrance layer, a first sterilization adsorption layer, a first sterilization and odor removal layer, a second sterilization adsorption layer and a second sterilization and odor removal layer from top to bottom; the preparation raw materials of the fresh scent layer comprise 8 parts of honeysuckle extract, 3 parts of dried orange peel extract, 4 parts of orange peel extract, 6 parts of camphor tree extract, 2 parts of tea tree essential oil and 20 parts of nano titanium dioxide; the weight ratio of the carrier composition to the beeswax to the plant extract in the raw materials for preparing the first sterilization adsorption layer and the second sterilization adsorption layer is 1: 0.4: 0.3, the plant extracts in the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer comprise 3 parts of ailanthus altissima extract, 7 parts of gallnut extract, 2 parts of rheum palmatum extract, 6 parts of scutellaria baicalensis extract, 10 parts of green tea extract, 7 parts of eucalyptus citriodora extract, 6 parts of liquorice extract, 5 parts of hypericum perforatum extract and 1 part of rosemary extract; the raw materials for preparing the first sterilization and odor removal layer and the second sterilization and odor removal layer comprise honeycomb activated carbon, nano silver oxide and tourmaline; the weight ratio of the honeycomb activated carbon to the nano silver oxide to the tourmaline in the raw materials for preparing the first sterilizing odor removing layer and the second sterilizing odor removing layer is 1: 0.26: 0.64 of;

Example 4

The air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment sequentially comprises a fragrance layer, a first sterilization adsorption layer, a first sterilization and odor removal layer, a second sterilization adsorption layer and a second sterilization and odor removal layer from top to bottom; the preparation raw materials of the fresh scent layer comprise 8 parts of honeysuckle extract, 3 parts of dried orange peel extract, 4 parts of orange peel extract, 6 parts of camphor tree extract, 2 parts of tea tree essential oil and 20 parts of nano titanium dioxide; the weight ratio of the carrier composition to the beeswax to the plant extract in the raw materials for preparing the first sterilization adsorption layer and the second sterilization adsorption layer is 1: 0.24: 0.56, the plant extracts in the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer comprise 3 parts of ailanthus altissima extract, 7 parts of gallnut extract, 2 parts of rheum palmatum extract, 6 parts of scutellaria baicalensis extract, 10 parts of green tea extract, 7 parts of eucalyptus citriodora extract, 6 parts of liquorice extract, 5 parts of hypericum perforatum extract and 1 part of rosemary extract; the raw materials for preparing the first sterilization and odor removal layer and the second sterilization and odor removal layer comprise honeycomb activated carbon, nano silver oxide and tourmaline; the weight ratio of the honeycomb activated carbon to the nano silver oxide to the tourmaline in the raw materials for preparing the first sterilizing odor removing layer and the second sterilizing odor removing layer is 1: 0.1: 0.8;

Example 5

The air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment sequentially comprises a fragrance layer, a first sterilization adsorption layer, a first sterilization and odor removal layer, a second sterilization adsorption layer and a second sterilization and odor removal layer from top to bottom; the preparation raw materials of the fresh scent layer comprise 8 parts of honeysuckle extract, 3 parts of dried orange peel extract, 4 parts of orange peel extract, 6 parts of camphor tree extract, 2 parts of tea tree essential oil and 20 parts of nano titanium dioxide; the weight ratio of the carrier composition to the beeswax to the plant extract in the raw materials for preparing the first sterilization adsorption layer and the second sterilization adsorption layer is 1: 0.24: 0.56, the plant extracts in the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer comprise 3 parts of ailanthus altissima extract, 7 parts of gallnut extract, 2 parts of rheum palmatum extract, 6 parts of scutellaria baicalensis extract, 10 parts of green tea extract, 7 parts of eucalyptus citriodora extract, 6 parts of liquorice extract, 5 parts of hypericum perforatum extract and 1 part of rosemary extract; the raw materials for preparing the first sterilization and odor removal layer and the second sterilization and odor removal layer comprise honeycomb activated carbon, nano silver oxide and tourmaline; the weight ratio of the honeycomb activated carbon to the nano silver oxide to the tourmaline in the raw materials for preparing the first sterilizing odor removing layer and the second sterilizing odor removing layer is 1: 0.3: 0.2;

Comparative example 1

The air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment sequentially comprises a fragrance layer, a first sterilization adsorption layer and a first sterilization and odor removal layer from top to bottom; the preparation raw materials of the fresh scent layer comprise 8 parts of honeysuckle extract, 3 parts of dried orange peel extract, 4 parts of orange peel extract, 6 parts of camphor tree extract, 2 parts of tea tree essential oil and 20 parts of nano titanium dioxide; the weight ratio of the carrier composition to the beeswax to the plant extract in the raw materials for preparing the first sterilization adsorption layer is 1: 0.24: 0.56, the plant extracts in the preparation raw materials of the first sterilization adsorption layer comprise 3 parts of ailanthus altissima extract, 7 parts of gallnut extract, 2 parts of rheum palmatum extract, 6 parts of scutellaria baicalensis extract, 10 parts of green tea extract, 7 parts of eucalyptus citriodora extract, 6 parts of liquorice extract, 5 parts of hypericum perforatum extract and 1 part of rosemary extract; the preparation raw materials of the first sterilization and odor removal layer comprise honeycomb activated carbon, nano silver oxide and tourmaline; the weight ratio of the honeycomb activated carbon to the nano silver oxide to the tourmaline in the raw materials for preparing the first sterilizing and deodorizing layer is 1: 0.26: 0.64 of;

Comparative example 2

The air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment sequentially comprises a fragrance layer, a first sterilization adsorption layer, a first sterilization and odor removal layer, a second sterilization adsorption layer, a second sterilization and odor removal layer, a third sterilization adsorption layer and a third sterilization and odor removal layer from top to bottom; the preparation raw materials of the fresh scent layer comprise 8 parts of honeysuckle extract, 3 parts of dried orange peel extract, 4 parts of orange peel extract, 6 parts of camphor tree extract, 2 parts of tea tree essential oil and 20 parts of nano titanium dioxide; the weight ratio of the carrier composition to the beeswax to the plant extract in the preparation raw materials of the first sterilization adsorption layer, the second sterilization adsorption layer and the third sterilization adsorption layer is 1: 0.24: 0.56, the plant extracts in the preparation raw materials of the first sterilization adsorption layer, the second sterilization adsorption layer and the third sterilization adsorption layer comprise 3 parts of ailanthus altissima extract, 7 parts of gallnut extract, 2 parts of rheum palmatum extract, 6 parts of scutellaria baicalensis extract, 10 parts of green tea extract, 7 parts of eucalyptus citriodora extract, 6 parts of liquorice extract, 5 parts of hypericum perforatum extract and 1 part of rosemary extract; the raw materials for preparing the first sterilization smell-removing layer, the second sterilization smell-removing layer and the third sterilization smell-removing layer comprise honeycomb activated carbon, nano silver oxide and tourmaline; the weight ratio of the honeycomb activated carbon to the nano silver oxide and the tourmaline in the raw materials for preparing the first sterilizing odor removing layer, the second sterilizing odor removing layer and the third sterilizing odor removing layer is 1: 0.26: 0.64 of;

Comparative example 3

The air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment sequentially comprises a fragrance layer, a first sterilization adsorption layer, a first sterilization and odor removal layer, a second sterilization adsorption layer and a second sterilization and odor removal layer from top to bottom; the preparation raw materials of the fresh scent layer comprise 8 parts of honeysuckle extract, 3 parts of dried orange peel extract, 4 parts of orange peel extract, 6 parts of camphor tree extract, 2 parts of tea tree essential oil and 20 parts of nano titanium dioxide; the weight ratio of the carrier composition to the beeswax to the plant extract in the raw materials for preparing the first sterilization adsorption layer and the second sterilization adsorption layer is 1: 0.24: 0.56, the plant extracts in the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer comprise 3 parts of ailanthus altissima extract, 7 parts of gallnut extract, 2 parts of rheum palmatum extract, 6 parts of scutellaria baicalensis extract, 10 parts of green tea extract, 7 parts of eucalyptus citriodora extract, 6 parts of liquorice extract, 5 parts of hypericum perforatum extract and 1 part of rosemary extract; the raw materials for preparing the first sterilizing and deodorizing layer and the second sterilizing and deodorizing layer comprise honeycomb activated carbon;

Comparative example 4

The air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment sequentially comprises a fragrance layer, a first sterilization adsorption layer, a first sterilization and odor removal layer, a second sterilization adsorption layer and a second sterilization and odor removal layer from top to bottom; the preparation raw materials of the fresh scent layer comprise 8 parts of honeysuckle extract, 3 parts of dried orange peel extract, 4 parts of orange peel extract, 6 parts of camphor tree extract, 2 parts of tea tree essential oil and 20 parts of nano titanium dioxide; the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer are plant extracts, and the plant extracts in the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer comprise 3 parts of ailanthus altissima extract, 7 parts of gallnut extract, 2 parts of rheum palmatum extract, 6 parts of scutellaria baicalensis extract, 10 parts of green tea extract, 7 parts of eucalyptus citriodora extract, 6 parts of liquorice extract, 5 parts of hypericum perforatum extract and 1 part of rosemary extract; the raw materials for preparing the first sterilization and odor removal layer and the second sterilization and odor removal layer comprise honeycomb activated carbon, nano silver oxide and tourmaline; the weight ratio of the honeycomb activated carbon to the nano silver oxide to the tourmaline in the raw materials for preparing the first sterilizing odor removing layer and the second sterilizing odor removing layer is 1: 0.26: 0.64 of;

Comparative example 5

The air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment sequentially comprises a fragrance layer, a first sterilization adsorption layer, a first sterilization and odor removal layer, a second sterilization adsorption layer and a second sterilization and odor removal layer from top to bottom; the preparation raw materials of the fresh scent layer comprise 8 parts of honeysuckle extract, 3 parts of dried orange peel extract, 4 parts of orange peel extract, 6 parts of camphor tree extract, 2 parts of tea tree essential oil and 20 parts of nano titanium dioxide; the weight ratio of the carrier composition to the beeswax to the plant extract in the raw materials for preparing the first sterilization adsorption layer and the second sterilization adsorption layer is 1: 0.24: 0.56, the carrier composition is mesoporous silicon dioxide, and the plant extracts in the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer comprise 3 parts of ailanthus altissima extract, 7 parts of gallnut extract, 2 parts of rheum palmatum extract, 6 parts of scutellaria baicalensis extract, 10 parts of green tea extract, 7 parts of eucalyptus citriodora extract, 6 parts of liquorice extract, 5 parts of hypericum perforatum extract and 1 part of rosemary extract; the raw materials for preparing the first sterilization and odor removal layer and the second sterilization and odor removal layer comprise honeycomb activated carbon, nano silver oxide and tourmaline; the weight ratio of the honeycomb activated carbon to the nano silver oxide to the tourmaline in the raw materials for preparing the first sterilizing odor removing layer and the second sterilizing odor removing layer is 1: 0.26: 0.64 of;

And (3) performance testing:

1. stability of

The air purifying agent for efficiently removing bacteria in the livestock and poultry breeding environment is respectively stored in transparent containers in a sealed manner and is stored in a thermostat, the temperature of the thermostat is set to be 30 ℃ and 4 ℃, the air purifying agent is stored for three months, whether the air purifying agent is deteriorated or not is observed, no deterioration within three months is recorded as excellent, deterioration within two months to three months is recorded as good, deterioration within one month to two months is recorded as common, and deterioration within one month is recorded as poor.

2. Air sterilization test

At 50m³The prepared air freshener is placed in a laboratory for 2880 hours and then released in the air to react with natural bacteria for 48 hours, and the sterilization rate is (average bacteria number before test-average bacteria number after test) × 100%/average bacteria number before test.

Table 1 results of performance testing

From the data, the air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment has excellent sterilization and disinfection performance on staphylococcus, lactobacillus and enterobacter, and has the sterilization characteristics of high efficiency, broad spectrum and good continuity.

The foregoing examples are illustrative only, and serve to explain some of the features of the present disclosure. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. And that advances in science and technology will result in possible equivalents or sub-substitutes not currently contemplated for reasons of inaccuracy in language representation, and such changes should also be construed where possible to be covered by the appended claims.

Claims

1. An air purifying agent for efficiently removing bacteria in a livestock and poultry breeding environment is characterized in that the air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment sequentially comprises a fragrance layer, a first sterilization adsorption layer, a first sterilization and deodorization layer, a second sterilization adsorption layer and a second sterilization and deodorization layer from top to bottom;

the preparation raw materials of the fresh scent layer comprise 1-10 parts of honeysuckle extract, 1-5 parts of dried orange peel extract, 1-5 parts of orange peel extract, 1-8 parts of camphor tree extract, 1-3 parts of tea tree essential oil and 10-25 parts of nano titanium dioxide;

the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer comprise a carrier composition, beeswax and a plant extract, wherein the weight ratio of the carrier composition to the beeswax to the plant extract is 1: (0.2-0.4): (0.3-0.7); the carrier composition is mesoporous silica-quaternized ethyl cellulose; the plant extract comprises 1-5 parts of ailanthus altissima extract, 2-8 parts of gallnut extract, 1-3 parts of rheum palmatum extract, 5-10 parts of scutellaria baicalensis extract, 6-12 parts of green tea extract, 5-8 parts of eucalyptus citriodora extract, 2-10 parts of liquorice extract, 3-7 parts of hypericum perforatum extract and 1-3 parts of rosemary extract;

the raw materials for preparing the first sterilization and odor removal layer and the second sterilization and odor removal layer comprise honeycomb activated carbon, nano silver oxide and tourmaline; the weight ratio of the honeycomb activated carbon to the nano silver oxide to the tourmaline is 1: (0.1-0.3): (0.2-0.8).

2. The air purifying agent for efficiently removing bacteria in the livestock and poultry breeding environment according to claim 1, wherein the preparation raw materials of the fresh scent layer comprise 8 parts of honeysuckle extract, 3 parts of dried orange peel extract, 4 parts of orange peel extract, 6 parts of camphor tree extract, 2 parts of tea tree essential oil and 20 parts of nano titanium dioxide.

3. The air purifying agent for efficiently removing bacteria in the livestock and poultry breeding environment according to claim 1, wherein the plant extracts in the preparation raw materials of the first sterilization adsorption layer and the second sterilization adsorption layer comprise 3 parts of ailanthus altissima extract, 7 parts of gallnut extract, 2 parts of rheum palmatum extract, 6 parts of scutellaria baicalensis extract, 10 parts of green tea extract, 7 parts of eucalyptus citriodora extract, 6 parts of liquorice extract, 5 parts of hypericum perforatum extract and 1 part of rosemary extract in parts by weight.

4. The air purifying agent for efficiently removing bacteria in the livestock and poultry breeding environment according to claim 1, wherein the weight ratio of the carrier composition to the beeswax and the plant extract in the raw materials for preparing the first sterilization adsorption layer and the second sterilization adsorption layer is 1: 0.24: 0.56.

5. the air purifying agent for efficiently removing bacteria in the livestock and poultry breeding environment according to claim 1, wherein the weight ratio of the honeycomb activated carbon to the nano silver oxide and the tourmaline in the raw materials for preparing the first sterilizing odor removal layer and the second sterilizing odor removal layer is 1: 0.26: 0.64.

6. the preparation method of the air purifying agent for efficiently removing the bacteria in the livestock and poultry breeding environment according to any one of claims 1 to 5, which is characterized by comprising the following steps of:

(3) uniformly mixing the honeycomb activated carbon, the nano silver oxide and the tourmaline according to the weight ratio to obtain a composition for sterilizing and deodorizing a layer;