37results about How to "Change charge" patented technology

The invention applies to the tea crop production, which can improve the soil structure and provide adequate moisture, oxygen and nutrition to improve the yield and quality in tea crop cultivation. The invention relates to a liquid fertilizer containing microorganisms, organic matters and inorganic matters. The fertilizer adopts biological technology and electrolysis technology which complement each other, takes micro-organisms and mineralized substances as additive, as well as combines with nutritional formula (nitrogen, phosphorus, potassium, sulfur, magnesium, calcium, silicon, boron, zinc, iron, molybdenum, bacterial protein, amino acid, humus, plant nucleic acid, B vitamins, active enzymes and unknown factors which promote crop growth), so as to provide adequate nutrition for crops and improve soil to make the soil conducive to tea crop cultivation. Through biotechnology, the micro-organisms in a dormant state are added to the fertilizer and are activated under favorable environmental conditions to decompose the animal and plant residues, pesticides, fertilizers, heavy metal residues and minerals in the soil so as to change the contents of nitrogen, phosphorus and potassium. Through electrolysis technology, the mineralized substance additive enables the soil to produce a chain reaction to moisture and oxygen supply, so as to gradually change the ion charge in the soil, increase the soil oxygen supply amount, improve the moisture infiltration capacity and strengthen the conditions for microbial activities.

The invention relates to a special fertilizer for strawberry. The fertilizer is used for strawberry crops. By using the fertilizer, the structure of soil is improved, moisture, oxygen and nutrition are provided and yield and quality of the strawberry are improved. The invention relates to a fertilizer containing microorganisms and organic and inorganic matters. The fertilizer is prepared by using a biological and electrolysis technique and adding nutrient formulas (nitrogen, phosphorus, potassium, sulfur, magnesium, calcium, silicon, boron, zinc, iron, molybdenum, mycoprotein amino acid, humus, plant nucleic acid, Vitamin B, active enzymes and unknown factors for promoting growth of crops) based on microorganisms and mineralized substances as additives, and the obtained fertilizer can be used for modifying the soil so as to be beneficial to strawberry plant. Through the biological technique, the microorganisms in a dormant state are injected to the fertilizer. The microorganisms are activated under the beneficial environment, so as to decompose animal and plant residual bodies, pesticides, chemical manures, heavy metal residual hazards and minerals in the soil to further change the contents of nitrogen, phosphorus and potassium; and through the electrolysis technique, the soil generates chain reactions on moisture and oxygen supply by using the mineral additives so as to gradually change ion charges in the soil, increase soil oxygen supply amount, improve permeable capability of the moisture and enhance activity of the microorganisms.

The present invention provides a modified wollastonite mineral composite fibre for making paper and its paper-making method. It includes the following steps: breaking wollastonite raw ore to obtain the thin-long fibre whose grain size is 5-20 micrometer and the ratio of mid-diameter:length=1:6-30, and according to the ratio of alkali or salt of aluminium: alkali or salt of sodium=1:1 adding modification agent whose added quantity is 3-10% of wollastonite mineral composite fibre weight so as to obtain the wollastonite mineral composite fibre covered with modification agent. In the course of preparing pulp in paper-making process 5-50% of modified wollastonite mineral composite fibre and 50-95% of plant fibre and paper-making auxiliary material are added, it can reduce production cost.

The invention applies to the dragon fruit production, which can improve the soil structure and provide adequate moisture, oxygen and nutrition to improve the yield and quality in dragon fruit cultivation. The invention relates to a liquid fertilizer containing microorganisms, organic matters and inorganic nutrients. The fertilizer adopts biological technology and electrolysis technology which complement each other, takes micro-organisms and mineralized substances as additive, as well as combines with nutritional formula (nitrogen, phosphorus, potassium, sulfur, magnesium, calcium, silicon, boron, zinc, iron, molybdenum, bacterial protein, amino acid, humus, plant nucleic acid, B vitamins, active enzymes and unknown factors which promote crop growth), so as to provide adequate nutrition for crops and improve soil to make the soil conducive to dragon fruit cultivation. Through biotechnology, the micro-organisms in a dormant state are added to the fertilizer and are activated under favorable environmental conditions to decompose the animal and plant residues, pesticides, fertilizers, heavy metal residues and minerals in the soil so as to change the contents of nitrogen, phosphorus and potassium. Through electrolysis technology, the mineralized substance additive enables the soil to produce a chain reaction to moisture and oxygen supply, so as to gradually change the ion charge in the soil, increase the soil oxygen supply amount, improve the moisture infiltration capacity and strengthen the conditions for microbial activities.

The invention discloses a method for charging a battery of an electric road vehicle. The method comprises the following steps of: (1) pre-charging; (2) A-period constant current charging; (3) B-period constant current charging; (4) constant voltage charging; (5) double-threshold charging; and (6) float charging, wherein the base number of the charging environment temperature is 25 DEG C, current and voltage in the whole charging process are adjusted in inverse proportion to the environment temperature, a current adjustment coefficient is 30 to 80 mA / DEG C, a voltage adjustment coefficient in the step (6) is 3 to 4 mV / monomer.DEG C, and a voltage adjustment coefficient in other steps is 5 to 6 mV / monomer.DEG C. By adjusting charging parameters under different temperature conditions, a charging effect of the battery at different temperatures is ensured, and the service life of the battery is prolonged.

The invention belongs to the technical field of preparation of rare earth oxide and particularly relates to a preparation method of nano neodymium oxide with large specific surface area. The method comprises the following steps: adding a surfactant into a neodymium-containing inorganic salt solution; dropwise adding a precipitant into the solution, and stirring for sufficient reaction of the two solutions; aging to obtain a precipitate; and washing the precipitate with deionized water, and performing vacuum drying and ignition to obtain nano neodymium oxide with large specific surface area. In the invention, through the application of the surfactant and control of the precipitant concentration and dropwise adding speed, according to TEM detection, the primary particle size of the prepared nano neodymium oxide is 20-60nm, and the specific surface area is 60-100m<2> / g. The method provided by the invention has the advantages of simple technology, relatively low cost and high controllability, remarkably improves the product purity and yield, and is environment-friendly and suitable for industrial production.

The invention relates to the technical field of leather processing, in particular to a preparing method for pearlescent leather. The method includes the processes of material selecting, foaming, plate pressing, ground color applying, pearlescent pigment spraying, manual color smearing, color fixing and drying. Traditional second-layer pig skin leather can only be applied to a lining and a rear cover of a material or be sold out as a waste material to be used as reclaimed leather. An inventor creatively starts to use second-layer pig skin, the feature of the second-layer pig skin is improved, the technology of foaming positive ion foaming resin is used for shielding rough pores of the second-layer pig skin, then plate pressing, ground color applying, pearlescent pigment spraying and manual color smearing are conducted, finally, the resin is used for color fixing, the obtained leather has the smoothness and the glossiness of the top-layer pig skin, pearlescent paint on a sprayed surface enables the product to become beautiful and colorful and have a very strong pearlescent three-dimensional effect, the added value of the leather is greatly improved, the prepared pearlescent leather can be used as the face layer of the leather, the application range is wide, and the economic benefits are high.

The invention relates to a polycarboxylate water reducer, in particular to a method for ultralow-temperature preparation of a polycarboxylic acid type high slump keeping water reducer by utilizing ethoxyethanol vinyl polyoxyethylene ether. The method comprises the steps that water, the ethoxyethanol vinyl polyoxyethylene ether, acrylic acid, acrylic alkyl ester and amide monomers are put in a reaction kettle, heating is not needed, and stirring is conducted until the mixture is dissolved; an oxidizing agent solution is added, a prepared solution A and a prepared solution B are dropwise added to the mixed solution, and after 0.5 hour, the solution A and the solution B are dropwise added completely at the same time; after the temperature is preserved for 0.5 h, an alkali solution is added for neutralizing until the pH value is 6-8, and after water supply, the polycarboxylic acid type high slump keeping water reducer with the concentration of 40% is obtained; the solution A is prepared from acrylic acid, a chain transfer agent and water; the solution B is a reductive catalyst. According to the method, the ethoxyethanol vinyl polyoxyethylene ether of high polymerization activity, acrylic alkyl ester hydrophobic side chains and the amide monomers are taken as raw materials for preparing the high slump keeping water reducer, the reaction period is short, the normal temperature reaction time is only one hour, and the production efficiency is high.

The invention belongs to the technical field of static crushing and particularly relates to a method used for controlling rock or concrete crushing modes. A three-directional guide device and a four-directional guide device are adopted, and the guide devices consist of steel cylinders containing different numbers of cut openings and handles. Through using different types of guide devices and matching a proper hole distribution mode, the purpose of controlling rock or concrete crushing modes can be achieved. By utilizing the principles that the tensile strength of a brittle material is far lower than compressive strength and concentrated tensile strength easily occurs in the cut opening positions of the cylinders, crushed bodies easily crack in cut opening positions, and the purpose of controlling crack expansion directions is achieved. The size of tensile stress produced by a static crushing agent in the cut opening positions of the cylinders is regulated through changing the cut opening sizes of the cylinders, and a function of regulating hole distances is realized. The purpose of effectively controlling charge quantity is achieved through scale marks on the side walls of the guide devices. The method is suitable for controlling rock or concrete crushing modes and has the characteristics of being simple in structure, being capable of being repeatedly used and the like.

The invention belongs to the technical field of hot spraying, and particularly relates to plasma-etching-resistant granulated yttrium oxide for hot spraying and a preparation method thereof. The preparation method of the plasma-etching-resistant granulated yttrium oxide for hot spraying comprises the following steps: preparing nano or ultrafine yttrium oxide powder and deionized water or an organic solution into a paste, performing depolymerization and reduction, adding surface activity activator into the paste for preparation, and performing hot expansion balling and high-temperature densification treatment to obtain the granulated yttrium oxide for hot spraying. According to the invention, the surface activity activator is added into the paste before hot expansion balling, so that the prepared granulated yttrium oxide for hot spraying is favorable in spherical degree, and the high-spherical-degree favorable-flowability high-density granulated yttrium oxide for hot spraying can be obtained without later spheroidization, thereby achieving favorable flowability during hot spraying, ensuring that the supply of the granulated yttrium oxide for hot spraying is more stable, and providing a guarantee for obtaining a hot spray coating having a uniform thickness.

The invention is applied to the production of organic ginger crops, can improve soil structure and provide sufficient water, oxygen and nutrient to improve the output and the quality of planted crops. The invention relates to a fertilizer containing microorganisms and organic matter. The fertilizer adopts cooperation of biotechnology and electrolytic technology, takes the microorganisms and mineralized matter as additives, and is added with nutrient formulation (nitrogen, phosphorus, potassium, sulfur, magnesium, calcium, silicon, boron, zinc, ferrum, molybdenum, and mycoprotein, amino acid, humus, plant nucleic acid, B vitamins, organized enzymes and unidentified factors improving the growth of the crops), which not only can provide sufficient nutrient for the crops, but also improves the soil, and is favorable for planting the organic ginger crops. Through the biotechnology, the microorganisms in the state of dormancy are injected the fertilizer, and are activated in favorable environment to decompose animal and plant residue, farm chemical, fertilizers, heavy metal toxic residue and minerals in the soil and change the contents of nitrogen, phosphorus and potassium; through the electrolytic technology, mineralized matter additives make the soil carry out chain reaction with the water and the supplied oxygen, so as to gradually change electric charge of ions in the soil, increase oxygen supply to the soil, improve the infiltrability of the water and strengthen conditions of microorganism activities.

The invention provides an inorganic mineral fiber modifying agent, which is characterized in that the chemical structure formula is as follow: [A1(OR1O)ac1b(OH)c]x[O C(R2)O]y[ZrCld(OH)e]z. In the formula, x, y, and z are equal to 1 to 100; 2a plus b plus c is equal to 4; d plus e is equal to z; -OR1O- is an organic dentate with homonymous energy cluster; -OR2O- is a dentate with positive ion radical. The invention can improve the plasticity of the mineral; improve the viscosity coefficient of the suspending liquid of the mineral fiber in water; and change the surface electric charge performance of the mineral fiber. The inorganic coupling radical is the molecule structure can be reacted with various function clusters on the surface of the mineral fiber so as to form strong and powerful chemical bonding; the other part of organic radical with positive ion capability can be chemically reacted with the plant organic fiber radical with negative electric charge so as to strengthen the combination force between the mineral fiber and the plant fiber, providing powerful guarantee for largely utilizing the inorganic mineral fiber in wet paper making.

The invention discloses a preparation method and an application of a salt-resistant common caramel pigment, and belongs to the technical field of food additives. The method comprises the following steps: 1) constructing a refluxing device, placing sucrose in a three-necked flask, and slowly adding a sodium hydroxide solution while stirring, and carrying out an oil-bath heating refluxing reaction until the sucrose is completely thawed; 2) changing the refluxing device to a distillation device, collecting the obtained reaction fraction until the reaction temperature rises to 150-160 DEG C, removing the distillation device, changing the distillation device into the refluxing device, and continuously carrying out a reaction at 150-160 DEG C for 1.5-2.5 h; and 3) adding a sodium tripolyphosphate solution to the above reaction system, and carrying out a refluxing reaction for 20-30 min to prepare the salt resistance improved common caramel pigment. The method improves the color ratio of the caramel pigment and effectively controls the foam in the production process; and the common caramel pigment prepared through the method has the advantages of good safety, bright color, good roundness and good salt resistance.

The present invention provides a modified wollastonite mineral composite fibre for making paper and its paper-making method. It includes the following steps: breaking wollastonite raw ore to obtain the thin-long fibre whose grain size is 5-20 micrometer and the ratio of mid-diameter:length=1:6-30, and according to the ratio of alkali or salt of aluminium: alkali or salt of sodium=1:1 adding modification agent whose added quantity is 3-10% of wollastonite mineral composite fibre weight so as to obtain the wollastonite mineral composite fibre covered with modification agent. In the course of preparing pulp in paper-making process 5-50% of modified wollastonite mineral composite fibre and 50-95% of plant fibre and paper-making auxiliary material are added, it can reduce production cost.

The invention discloses a method for preparing nanometer erbium oxide by a reaction ball milling method. The method comprises the following steps of simultaneously putting erbium-containing inorganicsalt water solution, graphene oxide-containing alcoholic solution, surfactants, precipitants and grinding body zirconium oxide beads into a ball milling cavity; taking a reaction on various raw materials under the ball milling effect; forming a nanometer erbium oxide precursor; performing filtering, washing, drying and roasting to obtain high-purity high-dispersion nanometer erbium oxide. Throughthe application of the reaction ball milling method, the graphene oxide-containing alcoholic solution and the surfactants, the prepared nanometer erbium oxide has the primary particle diameter of 10 to 30 nm through TEM detection. The method has the advantages that the process is simple; the cost is low; the controllability is high; the product particle uniformity is obviously improved; no pollution is caused on the environment; the method is suitable for industrial production.

The invention discloses a redwood furniture cleaning fluid which is prepared from the following raw materials in parts by weight: 10-15 parts of bentonite, 15-20 parts of modified nano microcrystalline cellulose, 20-30 parts of anthracene oil, 8-15 parts of an anionic surfactant, 25-30 parts of glycerol, 40-55 parts of deionized water, 10-15 parts of natural beewax, 3-8 parts of a complexing agentand 12-15 parts of a silicon oil emulsion. Pretreated bentonite and modified nano microcrystalline cellulose are used in the cleaning fluid preparation process, the pretreated bentonite is capable ofimproving the cleaning effect, the modified nano microcrystalline cellulose has high surface activity, the reaction performance and the dispersion uniformity of the cellulose can be greatly improved,the cleaning effect of the cleaning fluid can be further improved, the cleaning fluid has an excellent cleaning effect, an oil paint on the surface of furniture is not damaged, and the appearance andthe service life of redwood furniture are not affected.

The invention provides a preparation method for a positive non-magnetic toner. The positive non-magnetic toner comprises a toner master batch and an additive; the toner master batch comprises 100 parts by weight of styrene-acrylic resin, 3 parts by weight of release agent, 6 parts by weight of colorant and 3 parts by weight of electric charge control agent; the additive comprises 0.5 part by weight of small-size hydrophobic silicon dioxide in the grain size from 7 nanometers to 20 nanometers, 0.4 part by weight of large-size hydrophobic silicon dioxide in the grain size from 40 nanometers to 200 nanometers, 0.7 part by weight of barium titanate and 0.3 part by weight of polymethyl methacrylate. The preparation method comprises a premixing step and a post-mixing step. According to the invention, the raw material selection is matched with the mixing process, so as to prepare the positive non-magnetic toner in high printing quality.

The invention discloses a Coulomb's law quantitative exploration vacuum experiment device which comprises a mounting base, and a vacuum experiment device and a clamping mechanism are arranged on the mounting base. According to the invention, the charged charges can be ensured to be in a vacuum state in the glass tube, the influence of other media on the charged charges can be effectively solved through the plastic film attached in the glass tube, and the accuracy of the experiment is ensured; a clamping mechanism is arranged at the end part of the glass tube, so that multiple groups of inclination angles of the glass tube can be stably adjusted, and the electrostatic force between corresponding charges can be calculated; the distance between the two charges can be directly read through the scales on the outer wall of the glass tube; the electric quantity of charges in the glass tube can be conveniently changed through the conductive needle. The coulomb's law experiment device can effectively perform quantitative exploration on the coulomb's law, solves the problem that students understand the coulomb's law in a one-sided and non-deep manner in a traditional experiment device, can provide experiment operation experience for the students, and cultivates the scientific exploration ability of the students.

The invention relates to a cationic modifier for pretreatment of textile products and a synthesizing method thereof. The cationic modifier comprises a component A, a component B and a component C, wherein the component A comprises the following components in parts by weight: 146 to 1460 parts of 3-chloro-2-hydroxypropyl-trimethylammonium chloride, 53 to 530 parts of polyhydric alcohols, 300 to 3000 parts of solvent, and 2.4 to 24 parts of alkaline catalyst; the component B is isocyanate; the component C is a thinner; the weight ratio of the component A to the component B to the component C is (200 to 2000):(250 to 2500):(1500 to 2400). Compared with the prior art, the cationic modifier has the advantages that the adding of alkaline for adjusting pH (potential of hydrogen) value in use is not needed; when the modified textile is dyed, the dyeing color is dark, the fastness is better, and the uniformity is better.

The invention relates to the technical field of building materials, and particularly discloses self-compacting concrete and a preparation method thereof. The self-compacting concrete is higher in flowability and stronger in compressive strength. According to the technical scheme, the self-compacting concrete is characterized in that every cubic meter of self-compacting concrete is prepared from the following components: 155 to 170 kilograms of water, 350 to 400 kilograms of cement, 700 to 800 kilograms of sand, 960 to 1,000 kilograms of stones, 160 to 200 kilograms of a mineral additive, 5 to7 kilograms of an admixture, 1 to 4 kilograms of ultrafine powder and 2 to 5 kilograms of a modifier. According to the self-compacting concrete and the preparation method thereof, the concrete is prepared by mixing each raw material according to a certain proportion, so that the concrete is endowed with a higher gap passing rate and self-compacting capability, and can freely flow to fully fill aninternal space of a structure to form a uniformly compacted structure; the ultrafine powder is added into the concrete, so that the flowability of the concrete is further improved, and meanwhile, thecompressive strength is strengthened.

The invention provides a heat efficiency lifting method for a filling-storing type liquid filling rate-variable heat pipe. The heat efficiency lifting method is characterized in that the liquid filling rate of the heat pipe is adjusted by changing the flowing amount of a working medium in the heat pipe, and the purpose of improving the heat efficiency of the heat pipe is achieved. The invention further provides a liquid filling rate-variable heat pipe device in another technical scheme. According to the liquid filling rate-variable heat pipe device, under the condition that an inner cavity structure, the use volume, the heat exchange area and the working medium composition of an original heat pipe are unchanged, the filling amount inside the heat pipe is changed through the mode by which the working medium of the heat pipe is recovered in a working medium storage device in a liquid state and reused, so that the liquid filling rate is changed, the working medium is taken and dischargedconveniently, fast and adjustably so as to adapt to various working conditions in real time, the energy-saving benefit is remarkable, and a wide market application prospect is achieved.

The invention discloses a demulsification method of an emulsion formed by extracting rice oil with an aqueous enzymatic method. After centrifugation of rice bran enzymolysate obtained after biologicalenzyme treatment, an emulsion layer, a hydrolysate layer and a residue layer can be obtained. The emulsion layer is taken, the pH is adjusted, and after centrifugation, free oil and a stubborn emulsion are obtained; a certain amount of calcium chloride solution is added into the stubborn emulsion, and after centrifugation, upper-layer oil is obtained; a mixture of the free oil obtained by twice demulsification is total crude rice bran oil. A pH adjusting method is carried out by changing the pH environment of an emulsion system to achieve the purposes of changing the structure and the chargeability of an interfacial film and further achieve effective demulsification. After initial demulsification and centrifugation, a part of stubborn emulsion still exists, and through addition of the calcium chloride solution destruction of a double-electric layer structure of protein, aggregation between oil droplets takes place to cause demulsification. When the demulsification method provided by the invention is used for performing demulsification treatment to the emulsion produced by extracting the rice oil with the aqueous enzymatic method, the demulsification rate can be effectively increased, and meanwhile, the content of oryzanol in the obtained crude rice bran oil is also significantly increased; the demulsification method has the advantages of low energy consumption, no pollution, environment friendliness, health, simple operation and the like.

The invention relates to a fertilizer, in particular to a biological fertilizer for promoting the pomegranate growth. The biological fertilizer comprises the following raw materials in parts by weight: 20-30 parts of earthworm casts, 16-23 parts of ammonium nitrate, 15-25 parts of sodium dihydrogen phosphate, 15-23 parts of coconut shells, 11-16 parts of wheat gluten, 10-22 parts of corncob comminuted substances, 10-25 parts of oil residues, 8-16 parts of mushroom wastes, 9-17 parts of calcium sulfate, 5-14 parts of itaconic acid, 5-9 parts of rare earth, 1.5-3 parts of pig blood hydrolysate and 1-5 parts of vinegar residues. The biological fertilizer provided by the invention can effectively promote the pomegranate growth and simultaneously improves the pomegranate quality.

The invention provides a method for improving thermal efficiency of a rechargeable heat pipe with variable liquid filling rate, which is characterized in that the liquid filling rate of the heat pipe is adjusted by changing the flow rate of the working medium in the heat pipe to achieve the purpose of improving the thermal efficiency of the heat pipe. Another technical solution of the present invention is to provide a heat pipe device with variable liquid filling rate. This invention can change the heat pipe's internal cavity structure, use volume, heat exchange area and working fluid composition without changing the original heat pipe cavity structure. The working fluid is recovered in a liquid state in the working fluid storage device and reused, thereby changing the filling amount inside the heat pipe to change the liquid filling rate, making the pumping of the working fluid convenient and adjustable, and adapting to various working conditions in real time. The utility model has remarkable energy-saving benefits and has broad market application prospects.

The invention discloses a method for charging a battery of an electric road vehicle. The method comprises the following steps of: (1) pre-charging; (2) A-period constant current charging; (3) B-period constant current charging; (4) constant voltage charging; (5) double-threshold charging; and (6) float charging, wherein the base number of the charging environment temperature is 25 DEG C, current and voltage in the whole charging process are adjusted in inverse proportion to the environment temperature, a current adjustment coefficient is 30 to 80 mA / DEG C, a voltage adjustment coefficient in the step (6) is 3 to 4 mV / monomer.DEG C, and a voltage adjustment coefficient in other steps is 5 to 6 mV / monomer.DEG C. By adjusting charging parameters under different temperature conditions, a charging effect of the battery at different temperatures is ensured, and the service life of the battery is prolonged.

The invention belongs to the technical field of hot spraying, and particularly relates to plasma-etching-resistant granulated yttrium oxide for hot spraying and a preparation method thereof. The preparation method of the plasma-etching-resistant granulated yttrium oxide for hot spraying comprises the following steps: preparing nano or ultrafine yttrium oxide powder and deionized water or an organic solution into a paste, performing depolymerization and reduction, adding surface activity activator into the paste for preparation, and performing hot expansion balling and high-temperature densification treatment to obtain the granulated yttrium oxide for hot spraying. According to the invention, the surface activity activator is added into the paste before hot expansion balling, so that the prepared granulated yttrium oxide for hot spraying is favorable in spherical degree, and the high-spherical-degree favorable-flowability high-density granulated yttrium oxide for hot spraying can be obtained without later spheroidization, thereby achieving favorable flowability during hot spraying, ensuring that the supply of the granulated yttrium oxide for hot spraying is more stable, and providing a guarantee for obtaining a hot spray coating having a uniform thickness.

The invention discloses a finished ammonium nitrate fuel oil explosive charging machine. The machine comprises a control box and an explosive supply device. The explosive supply device forms continuous conveying and explosive supply through an explosive conveying screw, the outlet end of the explosive conveying screw is connected with an explosive charging screw, the explosive charging screw is coaxially and fixedly connected with the explosive conveying screw, the explosive charging screw is located in an explosive charging barrel, and the explosive charging barrel is suspended above a workbench. The workbench is provided with a travel switch which is electrically connected with the control box. The explosive charging machine has the beneficial effects that the explosive charging machineis installed on a site where the mixed loading explosive truck can reach conveniently, the mixed charging explosive truck is connected to complete subsequent explosive loading work, and the mixed charging explosive truck only needs to provide finished ammonium nitrate fuel oil explosives for the explosive charging machine; The blasting operation requirement of a road platform imperfect or narrow operation surface which cannot be effectively reached by a mixed charging explosive truck is met. The explosive charging machine is used for charging the ammonium nitrate fuel oil explosives into cartridges with film sleeves, has certain waterproofness, can be used for blast holes with a small amount of water, and is light in weight of a single cartridge, adjustable in diameter and length of the cartridges and wider in application range.