165results about How to "High market price" patented technology

The invention provides a method for breeding medical ground beetles and belongs to the technical field of medical animal breeding. The method for breeding the medical ground beetles comprises the steps of control over a place of a breeding party, temperature and humidity, management of breeding fodder, breeding soil of the ground beetles, an egg reservation of the ground beetles and incubation of eggs, management of larvae of the ground beetles and medium-sized ground beetles, management of copulation, management of adults, prevention and treatment of diseases and pests, collection and processing of the ground beetles and finished product storage of the ground beetles. The method for breeding the medical ground beetles accords with the original wild life habits of the ground beetles, the growth and breeding speed of the ground beetles is greatly increased, and the ground beetles are good in medical property, strong in efficacy, good in quality and high in market selling price.

The invention relates to a method for recycling used lead-acid batteries in a full circulation mode. According to the technical scheme, a band sawing machine for cutting the used lead-acid batteries is used for sawing and cutting a used lead-acid battery into an upper cover, a groove body, an electrode set and acid liquid, and the upper cover, the groove body, the electrode set and the acid liquid are respectively processed to obtain lead-antimony alloy, plastic, lead plaster, lead-calcium alloy and dilute sulphuric acid. Then, the lead plaster is added into a reaction tank, amidogen-contained substances are added to the lead plaster, stirring is conducted, desulfurization is conducted after carbon-contained substances are added, solid-liquid separation is conducted, and therefore desulfurated lead plaster and filter liquid are obtained. Then, the filter liquid is evaporated and crystallized to obtain ammonium sulfate, and liquid evaporated in the evaporation and crystallization process is cooled to the room temperature and recycled. The washed desulfurated lead plaster is dried, and the dried desulfurated lead plaster is roasted at the temperature larger than 400 DEG C and smaller than or equal to 500 DEG C or at the temperature larger than 500 DEG C and smaller than or equal to 650 DEG C to obtain lead tetroxide or lead oxide. The method has the advantages of being simple in process, low in recycling cost, high in recycling rate, high in product purity and environmentally friendly.

A field-like ecological livestock farm comprises fences, wherein an open cultivation zone and an incubation zone are arranged inside the fences; in the open cultivation zone, cultivation ridges and bait cultivation ditches are arranged alternately; and the incubation zone is provided with a plurality of breeding jars. The cultivation ridges are higher than the ground plane, the cross section of each cultivation ridge is trapezoid, tiles or bricks are arranged at the tops of the cultivation ridges, and gaps are reserved among the tiles or bricks. The field-like ecological cultivation farm and a field-like ecological cultivation method have the following characteristics that; the cultivation method is based on the combination of main food comprising high protein foods and meat and complementary food comprising insects in the food chain such as earthworm, Tenebrio molitor L. and / or ground beeltle; the cultivation farm meets the field life habit of centipede, thus the disease resistance of centipede can be greatly increased and the growing and breeding speed of centipede can be accelerated; and the adult has good drug property, high efficacy, good quality and high market price.

The invention discloses a method for breeding a new golden-shell crassostrea gigas strain. The method is characterized by including the operating steps of (1) breeding the first generation: selecting wild parent crassostrea gigas with golden left shells, and creating a plurality of families without genetic relationships; (2) breeding the second generation: selecting the families with the obvious golden-shell characters from the created first-generation families, and screening out the crassostrea gigas with the golden left shells and the golden right shells to carry out inner-family inbreeding; (3) breeding the third generation: carrying out inter-family hybridization on the families, with the left shells and the right shells being in the golden characters, obtained from the created second-generation families; (4) breeding the fourth generation: carrying out stability verification on the families with the left shells and the right shells being in the golden characters. According to the method, the breeding process of the new crassostrea gigas shell-color strain is accelerated, and new products of bred shellfishes are increased; the product additional value is increased through the color characters, the breeding yield is improved through the growth characters, incomes of breeding enterprises and farmers are increased, and the market prospects are broad.

The invention belongs to the field of food and medicine and relates to a method for improving the viscosity of gelatin by using a glutamine transaminase for catalyzing gelatin crosslinking. According to the method, gelatin molecules are catalyzed to crosslink by using the glutamine transaminase at a certain pH value and temperature, the adjustment on the viscosity of the gelatin can be realized through controlling the reaction time and the addition of the glutamine transaminase. The method can be widely applied to bone gelatin and skin gelatin which are prepared by acid, alkali and enzyme methods. The method disclosed by the invention is safe and non-toxic, is simple in process and is applicable to gelatin production plants or application units; and the viscosity of the gelatin is improved through the method disclosed by the invention, so that the quality and application value of the gelatin are improved.

The invention discloses a breeding method for a new strain of crassostrea gigas with orange left and right shells. The breeding method comprises the following steps of selecting individuals with purple left shells and black palliums from a cultured population to be used as male reproduction brood stocks; selecting individuals with black left shells and black palliums to be used as female reproduction brood stocks; carrying out monogamous insemination to establish an F1 family; selecting female and male individuals with black left and right shells and black palliums from the F1 to be used as reproduction brood stocks and establishing an F2 family; continuously selecting female and male individuals with purple black left and right shells and black palliums from the F2 to be used as reproduction brood stocks and establishing an F3 family; selecting orange individuals as parents of the new strain from the F3 and propagating offspring seeds to culture the new strain of the crassostrea gigas with the orange left and right shells and stable characters. The additional value of products is improved and the market prospect is broad.

The invention relates to a non-polluted grape culture technique of seedless grape; the main steps are as follows: a first step: conventional management is carried out in prophase; a second step: from 15 days before blooming to 1 week before blooming, 15-20mg / L of GA3, 10-25mg / L of 4-CPA, 1g / L of KH2PO4 and an NO.1 synergist are adopted for dipping fruit cluster; a third step: 10-20 days after blooming, 15-20mg / L of GA3, 25mg / L of 4-CPA, 1g / L of KH2PO4 and an NO.2 synergist are adopted for dipping fruit cluster; other management is operated according to conventions. By carrying out seedless treatment on seedy grape, the method can delay the formation of grape megaspore, affect the normal fertilization process, and promote seed abortion to form parthenocarpic seedless fruit; meanwhile, the method can remarkablely reduce pesticide dose, and ultimately realize the purpose of pollution-free and seedless cultivation, thus having remarkable social and economic benefits.

The invention relates to the method for Pinna pectinate autumn offspring breeding and pruning, which comprises, selecting August to September for offspring breeding, choosing the eligible parent shellfish, after 10-15 days, regulating the parent shellfish sex gland to synchronous ripening, carrying out oviposition and fertilization, and carrying out scallop larva incubation, after 13-18 days, adhering the larva to juvenile mollusk through metamorphosis, cultivating the juvenile mollusk temporarily for 10-15 days, then carrying out seedlings protectoin on the sea, breeding on the sea in November, and harvesting during September to November in the next year till the July of the third year.

The invention relates to a cockroach and eupolyphaga large-scale mixed breeding technique and belongs to a method for breeding specific animals. A cockroach and eupolyphaga mixed breeding method is characterized in that: 1, breeding environment, a pool which is a precursor of a three-dimensional greenhouse feeding pond is adopted; 2, food stuffs feeding, wherein adults and larvae of the eupolyphaga and the cockroach have the same food stuffs such as wheat bran, rice chaff, green vegetables, carrots, rice paste, pumpkins, pericarp, leaves and the like; and the food stuffs based on the green materials are fed for one time every 2 to 3 days and more dried materials such as the wheat bran are fed; 3, management of larval and middle-aged cockroaches, wherein larvae are not required to be separated from eggmass at the early stage after reproduction of the cockroach; and management of larval and middle-aged eupolyphaga is that the larvae are separated from eggmass after being incubated; and 4, prevention and control of diseases and insect damage, wherein the natural enemies of the cockroach and the eupolyphaga during artificial culture are ants, mice, spiders, chickens, ducks, birds and the like; and the diseases and insect damage are prevented in advance and treated actively. The cockroach and eupolyphaga large-scale mixed breeding technique has the advantages of accordance with the original wild life habit of the cockroach and greatly increasing growth speed and reproductive speed of the cockroach, along with high medicament properties, strong effect, excellent quality and high market price.

The invention relates to a micro-crystallization method for preparing glass ceramics with blast furnace slag, characterized by mainly comprising the three steps: (1), cooling shaped glass blank to transition temperature of blast furnace slag basic glass, holding the temperature for 5-8 min, and homogenizing the temperature; (2), after step (1), heating the glass blank to glass nucleating temperature, holding the temperature for 40-90 min, and nucleating; (3), after nucleating, heating the glass blank continuously to glass micro-crystallization temperature, holding the temperature for 40-90 min, and crystallizing to obtain pre-annealing glass ceramic. Before nucleating and crystallizing the hot glass blank, there is a need to reduce its temperature to transition temperature of corresponding blast furnace slag basic glass, thereby ensuring that glass nucleating and crystallizing process is scientific and harmonious and ensuring that the prepared glass ceramic is high in strength and density; meanwhile, the glass blank that is hot is heated from temperature Tg, so that energy can be saved greatly.

The invention discloses a planting method for interplanting strawberries in a vineyard. The method comprises interplanting strawberries in a vineyard, and performing field management according to a corresponding cultivation technology. The method makes full use of spatial niche complementary advantages of the strawberries and grapes, improves utilization rate of orchard field, improves survival rate and quality of strawberry seedlings, and improves income of farmers. The method improves ecological environment of the orchard, reduces damages of weeds and diseases and pests, reduces use of pesticide, promotes growth of fruit trees, reduces management cost of the orchard, and has good economical and ecological benefits.

The invention discloses a plum tree crown-control high yielding method which comprises the steps of: using wild peaches as rootstocks to graft nectarines; cultivating inter-stocks; and grafting Dashi early ripening plums at a high part. The plum tree crown-control high yielding method has the following advantages: 1, the plum trees are alleviated in growth vigor and compact in crown; 2, the flowering is good and the percentage of fertile fruit is high; 3, the work efficiency is improved and the investment is reduced; and 4, the fruit quality is good.

The invention relates to a culture method of a new golden-yellow strain of Chlamys nobilis rich in natural carotenoid, which comprises the steps of: seed selection, single individual induced spawning, family establishment by monogam insemination, offspring seed culture, intermediate breeding and cultivating, color purification check, new strain multiplication and continuous selective breeding and the like; and the new golden-yellow strain of the Chlamys nobilis rich in natural carotenoid can be cultured by two-generation directional selective breeding. The new strain has stable character, not only has golden-yellow shell, adductor muscle and pallium, but also is rich in the natural carotenoid; averagely, 98% of individuals have golden-yellow shells, 96% of individuals have golden-yellow adductor muscle, 99% of individuals have golden-yellow pallium, and the total content of the carotenoid is 4.4-13.7 times of that of groups not subjected to the selective breeding. The invention culture a new strain of shellfish from the angles of the sensed color and the nutrition; and the cultured new strain of Chlamys nobilis not only has beautiful color, but also is rich in the natural carotenoid, thereby achieving significant economic value, health care value and medical value and having broad market prospect.

The invention discloses a device and method for producing a fine-denier or super-fine-denier nylon 66 filament and belongs to the technical field of textile materials. The device comprises an evaporator, a preheater, a reactor, a flash vessel and a polycondensation finisher system. A pressure adjusting valve is arranged on the evaporator. A three-section biphenyl secondary-circuit heating method is adopted by the reactor. The polycondensation finisher system comprises a polycondensation finisher, a vapor liquid separator, a vapor purifier device and a nitrogen injection system. A polycondensation reaction is conducted on a water solution of nylon 66 salt through the improved continuous polycondensation system, and then a nylon 66 resin melt is obtained. Spinning is directly conducted on the nylon 66 resin melt to manufacture the fine-denier or super-fine-denier nylon 66 POY filament. According to the device and method for producing the fine-denier or super-fine-denier nylon 66 filament, direct melt spinning is conducted by the adoption of a multi-hole spinneret plate, a POY melt spinning device and the accurate spinning technology through the technical improvement to an existing continuous polycondensation system and more reliable technology control, and therefore the nylon 66 POY filament with the dpf ranging from 0.8dtex to 1.0dtex is manufactured.

The present invention discloses an anoectochilus roxburghii-hosui pear health care beverage and a preparation method thereof. Each 500 ml of the health care beverage is prepared from the following raw materials: 90 g of fresh anoectochilus roxburghii, 100-360 g of hosui pear, 15-25 g of sucrose, 0.009 g of citric acid, 0.0375-0.0765 g of sodium erythorbate, and the balance of distilled water. According to the present invention, anoectochilus roxburghii and hosui pear are prepared into a mixed beverage, such that advantage complementation is achieved, the pear juice is sweet and refreshing, and unique flavor of the anoectochilus roxburghii is regulated; and the anoectochilus roxburghii-hosui pear health care beverage can be suitable for consumption populations with different ages and different genders, especially for hepatitis patients, pulmonary tuberculosis patients, constipation patients, acute and chronic tracheitis patients, upper respiratory tract infection patients, high blood pressure patients, heart disease patients and esophageal cancer patients.

The invention discloses application of MeJA on aspects of vegetable preservation. MeJA can be applied before sowing of vegetable seeds for soaking process. The invention also provides a vegetable preservation soaking solution, which is the solution of MeJA, with concentration 0.001 mu mol.L<-1> to 1000 mu mol.L<-1>. In the invention, aqueous solution of MeJA in a very low concentration is used to soak seeds of cabbages, and the seeds are used to sow to produce the cabbages, thereby increasing soluble solids and content of vitamin C of the cabbages, increasing freshness of the cabbages, relieving disease rotting rate of the cabbages after being picked, proloning preserving life of the cabbages. Quality of the vegetable using the technology of the invention is higher than that produced by a common method, thereby relieving long time insect pest in a certain extent, reducing consumption of the pesticide.

The invention discloses a healthy cowpea cultivating method based on disease, pest and pollution prevention and control. According to a traditional cowpea cultivating method, diseases and pests occur easily, and to prevent the diseases and pests, vegetable growers often use pesticides blindly, and then excessive pesticide residues and the edible safety problem are caused. According to the healthy cowpea cultivating method based on disease, pest and pollution prevention and control, technical measures such as cultivation environment hazard-free treatment, cultivation measure rationalization, pest control, pollution prevention during harvesting, storing and transportation are adopted, and scientific management is carried out on the whole course of cowpea cultivation; especially for disease and pest prevention and control, the principle of focusing on prevention is highlighted, disease and pest prevention and control are carried out from the selection of a cultivating field to harvest throughout, and physical treatment, biological drug treatment and chemical drug treatment are carried out in sequence. A pesticide residue detection result shows that the product cultivated with the method is free of residual pesticide, the pollution-free standard is met, the commodity rate reaches above 95%, and the wormy rate is below 5%.

The invention discloses a method for recycling ultrafine copper powder from waste liquid containing complexing copper, and belongs to the technical field of chemical engineering recycling. According to the technical scheme, the method for recycling the ultrafine copper powder from waste liquid containing the complexing copper comprises the steps of adding a pvp dispersing agent in the waste liquid containing the copper, then adding glucose and NaOH, conducting heating and stirring to conduct a prereduction reaction, after the reaction, adding thiourea dioxide, conducting heating and stirring to conduct a reduction reaction, after the reaction is finished, conducting filtering, conducting washing for two times, conducting ethyl alcohol washing for two times, conducting vacuum drying, and obtaining the ultrafine copper powder. According to the method for recycling the ultrafine copper powder, the copper removal rate is 99%, the granularity of the recycled and obtained ultrafine copper powder can be 700nm-1500nm, the purity of the produced copper powder can be more than 99.95%, and the prepared ultrafine copper powder is applied to a plurality of fields of conducting resin, conductive coatings, conductive composite material raw materials, high-performance catalysts, lubricant additives, nanocrystalline copper, medicines and the like.

The breeding process of new grape variety features that by adopting dragon eye as female parent and muscat grape as male parent and through eliminating anther cap and stamen of female parent and bagging in blooming period, cutting self-bloomed blossom of male parent after 3-5 days and artificial pollination to the female parent; obtaining seed from mature fruit in autumn, sun shining for 14-18 days, soaking in water for 24-30 hr, setting the soaked seed in cloth bag and in flower pot for cold storage for 4 months; seeding in next spring in green house and subsequent conventional cultivation to obtain fruit of new variety. The fruit of new grape variety has high yield, shape similar to dragon eye, blue black fruit, high sugar content, thick pulp, small seed, rich flavor of muscat grape and other features.

The invention relates to a multi-channel detection and sorting device of shriveled walnuts. The multi-channel detection and sorting device is composed of a feeding device, a conveying device, an online imaging detection device, an online weighing device, a speed reduction device, an airflow type grading device and a rack. Single-grain feeding is carried out simultaneously on a plurality of channels through the feeding device; the online imaging detection device is mounted above a feeding conveyor belt and walnut image information is acquired in real time; walnut quality information is acquiredin real time through the online weighing device; whether walnuts are the shriveled walnuts or not is judged through a method fusing the walnut image information and the walnut quality information; finally, the shriveled walnuts are removed by utilizing the airflow type grading device. Compared with the prior art, the multi-channel detection and sorting device can realize multi-channel online detection and sorting of the shriveled walnuts, and the commodity quality and market price of the walnuts can be improved, the labor intensity of manually sorting the shriveled walnuts is reduced and theeconomic benefits are improved.

The invention discloses application of salicylic acid to vegetable fresh-keeping and a seed soaking solution. The salicylic acid can be applied to performing seed soaking treatment before sowing vegetable seeds. The invention provides a vegetable fresh-keeping salicylic acid seed soaking solution simultaneously, namely an aqueous solution of the salicylic acid, wherein the concentration of the salicylic acid is between 0.1 and 100 mg.L<-1>. The quality of the vegetables produced by using the technique of the invention is remarkably improved compared with that of the vegetables produced by using a common method. The vegetables have higher soluble solid content in the stem juice, higher Vc content in vegetable tissues, sweeter and tenderer mouthfeel, and longer freshness period. For the domestic markets or exportation, the vegetables have higher market price and good economic benefit.

A process for preparing the 2,3,4-trimethoxyphenyl formaldehyde as the intermediate of medicine includes the methylating reaction between 2,3,4-trihydroxyphenyl formaldehyde, dimethyl sulfate, quaternary ammonium salt and sodium hydroxide at 50-70 deg.C, laying aside for layering, taking the upper oily layer, water washing, vacuum distilling, cooling and crystallizing. Its advantages are high output rate and high purity.

The invention discloses a novel silane coupling agent and a preparation method thereof. The novel silane coupling agent comprises 45-65 percent of retinoid metal salts containing aromatic groups, 4-5 percent of white carbon black and 30-60 percent of silane coupling agent and can be prepared by mixing the retinoid metal salts containing aromatic groups with the white carbon black under the normal temperature condition, stirring for 5-15min at the rotation speed of 1000-1200rpm, uniformly adding the silane coupling agent and continuously stirring for 5-15min at the rotation speed of 1000-1200rpm. Compared with the prior art, the invention can effectively solve the transportation and the weighing of the silane coupling agent and is suitable for shallow and cored products. In addition, the novel silane coupling agent disclosed by the invention has the functions of reducing the consumption and resisting the curing reversion. The cost of users can be greatly saved.

The invention relates to the formulation and the preparation process of polyether sulfone (PES) solution coating. The PES solution coating contains PES ultra-fine particles, polyfluortetraethylene resin, color paste, ultrapure water and solvent. The preparation process of the PES solution coating comprises the steps of putting the PES ultra-fine particles, the color paste, the ultrapure water and the solvent into a container according to a certain proportion, dispersing the PES ultra-fine particles, the color paste, the ultrapure water and the solvent with a high-speed dispersing machine, adding the polyfluortetraethylene resin into the filtered mixture of the PES ultra-fine particles, the color paste, the ultrapure water and the solvent, and stirring the polyfluortetraethylene resin and the filtered mixture for about 20 minutes. The PES solution coating is cheap, has high alkali resistance and abrasion resistance, can be independently coated into a finished product, and can be used as double-layer fluororesin nonstick coating.

The invention provides a method for flowing water culturing of grass carp in a mountainous area. Natural conditions of the mountainous area are fully used, and dissolved oxygen in water is increased with a natural drop water injection method, running water culturing is guaranteed, so that cultivation of the grass carp is close to natural ecological stocking, and flood, natural enemies and other factors influencing growth of the grass cap are eliminated. The method comprises steps as follows: A, a water tank is dug in a land close to a mountain spring or a stream in the mountainous area and is disinfected, a water inlet and a water outlet are formed in the water tank, mountain spring water or stream water is injected into the water tank from the water inlet of the water tank at a certain height drop through a pipeline, and blocking nets are arranged at the water inlet and the water outlet; B, fries are put into the water tank in the density of 5-8 fries per cubic meter; C, in the growth period of the grass carp, work including three steps is performed, namely, feeding, conditioning of water quality and disease prevention, wherein for conditioning of water quality, impurities in water and blockages on the blocking nets are cleared timely; D, adult fish are caught.

The invention discloses a planting method of high-yield asparagus beans. The planting method comprises the following steps: soil preparation, sowing, stand building, flowering phase management, disease and pest control, and picking. The method disclosed by the invention is scientific and reasonable, and can shorten the maturation cycle of the asparagus beans to ensure that the asparagus beans can appear on the market earlier, so that the market price of the asparagus beans is high, and the economic benefit growers is increased.

The invention discloses a method for preparing sodium sulfide by processing a hydrogen sulfide acid gas and a special device thereof. The method comprises the following steps of: absorbing and processing hydrogen sulfide in an acid gas by adopting sodium hydroxide as an absorption agent, generating sodium sulfide, and extracting sodium sulfide products from an absorption liquid; taking a tubular reactor and a supergravity reaction machine as absorption reaction devices, taking the tubular reactor as a previous stage reactor, and taking a rotational flow dual-supergravity machine as the post stage reactor; recycling an absorption agent between reactors reversely, sending a mother liquid of sodium sulfide products extracted from at the most previous stage to a crystallization extracting device, supplying a new absorption agent from a cycling liquid of the reactor of the last stage, and setting a heat exchanger or a cooler for heat exchange on a pipeline of a cycling absorption liquid. The method provided by the invention has good universality, and low construction expense economically, and the construction expense is less than about 15% of that of a sulfuric acid production device, and is about 25% of that of a Claus sulfur preparing device. By the technology device combining the tubular reactor and the rotational flow supergravity machine, the production capability has great elasticity, the operation is flexible, the speed regulating is flexible, and the method has good practicability.

The invention relates to a high-nitrogen-concentration composite microbial fertilizer and a preparation method thereof, wherein the raw materials of the high-nitrogen-concentration composite microbial fertilizer comprise the following components in percentage by weight (wt%): 10-33% of urea, 5-20% of microbial strain agent, 10-40% of organic materials and 30-70% of water. The preparation method comprises the following steps of: adding the materials to a fermentation container, stirring evenly, fermenting for 15-25 days, adding appropriate monopotassium phosphate when lots of gas gives off and after detecting that the weight percentage concentration of ammonium nitrogen of the materials fermented completely is lower than 2%, thereby obtaining the composite microbial fertilizer in liquid or solid form, and finally, weighing and packaging. According to the invention, active small molecular amide nitrogen is transformed and fixed into slow-release macromolecular organic nitrogen through biochemical reaction of microorganisms; therefore, the content of nitrogen nutrient in the composite microbial fertilizer is improved and the activity and amount of microorganisms also are guaranteed; besides, the utilization rate of urea is improved and pollution on the natural environment caused by easy loss of nitrogen is reduced. As a result, a novel, long-acting, environmentally-friendly composite microbial fertilizer is developed.

The invention belongs to a method for production management by using a bright reflection film after citrus fruit set. The method specifically comprises the followings: paving a white and transparent bright reflection film below a citrus tree when citrus fruit ripens for 50 to 60 percent, meanwhile clearing away leaves beside fruits in lower and middle parts of a crown, bagging and moving fruits in time when bagging is required in a citrus tree production area where the bright reflection film is adopted for production management, and avoiding shading which impacts the reflection production effect; collecting the bright reflection film according to the production management until citrus fruit ripening and listing. Through the application of the invention, illumination produced by the bright reflection film paved, plant diseases and insect pests can be effectively restrained, illumination intensity to the middle and lower parts as well as the bore of the citrus crown can be greatly improved, the humidity is lowered, fruit surface red covering area and bright degree can be increased, and the mouth feeling of citrus can be improved greatly. The citrus fruit ripening time can be in advance for 8 to 10 days, so that the listing time is staggered and higher benefit can be obtained.

The invention relates to movable large melon and fruit harvesting, cleaning, grading and packaging equipment. The movable large melon and fruit harvesting, cleaning, grading and packaging equipment is characterized by being composed of a tractor-trailer, a net bag type hydraulic turnover harvesting and feeding device, a brush roll type pneumatic cleaning device, a material subchannel device, a 180-degree turning conveying belt, a detection device supporting structure, a turnover block type automatic grading device and boxing operation platform plates, wherein the net bag type hydraulic turnover harvesting and feeding device, the brush roll type pneumatic cleaning device, the material subchannel device, the 180-degree turning conveying belt, the detection device supporting structure, the turnover block type automatic grading device and the boxing operation platform plates are installed on a flat plate of the tractor-trailer through bolts. The boxing operation platform plates are installed at the two sides of the tractor-trailer through pin shafts, and a towing hook is arranged in the front of the tractor-trailer. Compared with the prior art, the overall movable structure is adopted, and the movable large melon and fruit harvesting, cleaning, grading and packaging equipment is suitable for sorting and packaging operation after harvesting large melons and fruits such as Hami melons and watermelons and capable of greatly improving the commercial quality and market value of the large melons and fruits such as Hami melons and watermelons, reduces labor intensity of manually sorting the large melons and fruits, improves production efficiency and increases economic benefits.