34results about How to "Increase dispersion rate" patented technology

The invention relates to a health product oral fast-release preparation and a production method thereof. The basic raw material of the preparation comprises main material and auxiliary material. The main material is health product raw material. The auxiliary material is oily dispersant mainly, and water-soluble dispersant, flavouring and emulsifier are added when necessary. The weight percentage of the main material is 0.1 percent to 80 percent, and the weight percentage of the auxiliary material is 20 percent to 99.9 percent. The method comprises the following steps: (1) preparing materials;(2) preparing slurry, including thinning and liquidizing, the finial fineness of the thinning is that 80 percent of the weight of the preparation is less than 300 microns, and the liquidizing processis that solid particles are dispersed in the oily dispersant in a stirring way. The weight percentage of the addition quantity of the oily dispersant can satisfy that the oil content in a finished product is not less than 15 percent; (3) molding that a finished product preparation is manufactured by a cooling molding method or a powder molding method. The health product oral fast-release preparation of the invention improves the dispersing speed of health product component in mouth under the precondition of achieving good flavor and is convenient for people to take without drinking water.

The invention discloses a sludge heating and drying system. The sludge heating and drying system comprises a pretreatment mechanism, a transmission mechanism and a drying mechanism, wherein the pretreatment mechanism comprises a dehydrating cavity and a dispersing cavity, a dehydrating drum and an extrusion device are arranged in the dehydrating cavity, a tilting table and a dispersing device are arranged in the dispersing cavity, and the drying mechanism comprises a drying box body and a heating device. The drying method comprises the following steps: (1) carrying out primary dehydration treatment on sludge; (2) carrying out dispersion treatment on the sludge; (3) carrying out drying treatment on the sludge; and (4) cleaning, checking and repairing. The sludge heating and drying system disclosed by the invention is simple in structure and strong in practicability, most of sewage in the sludge is removed by virtue of the dehydrating cavity, then the dispersion treatment is carried out on the sludge extruded into blocks by virtue of the dispersing cavity, working pressure of the drying box body is reduced, sludge drying effect and sludge drying quality are improved, water resource is saved, and comprehensive utilization rate is improved.

The invention relates to the technical field of batteries, in particular to a lithium ion battery and a preparation method thereof. The lithium ion battery is characterized in that the lithium ion battery comprises a positive plate, a negative plate, a diaphragm, an electrolyte and a battery housing. The positive plate comprises a positive current collector and positive slurry, and the negative plate comprises a negative current collector and negative slurry, wherein the ratio of the capacity of the negative plate to the capacity of the positive plate is 1.41-9.41. According to the lithium ionbattery, the ratio of the capacity of the negative plate to the capacity of the positive plate in the battery is optimized, the surplus capacity is supplemented through a lithium supplementing technology, and the parameters of the positive plate and the negative plate are optimized, so that the cycle performance, the safety performance and the rate charging performance of the lithium ion batteryare improved, and the lithium ion battery has the characteristics of high rate and long service life.

The invention relates to a mouth immediate-release preparation of a traditional Chinese medicine jelly, and a preparation method thereof. Basic raw materials of the preparation include a main material and a subsidiary material. The main material is mainly jelly, and the subsidiary material is mainly oil dispersant and can be added with water-soluble dispersant, flavoring and surface active agent when necessary; and the weight percentage of the main material is 0.1 percent to 80 percent, and the weight percentage of the subsidiary material is 20 percent to 99.9 percent. The detail operating steps are as below: (1) preparation of the materials; (2) preparation of a sizing agent: thinning and liquefying are included, final fineness of the thinning is less than 600 microns in the case of 70 percent of the preparation by weight, the liquefying is that solid grains are dispersed in the oil dispersant by means of mixing, and the weight percentage of the addition of the oil dispersant meets the condition that oil content in a finished product is not less than 15 percent; and (3) formation: the finished preparation is obtained by adopting a cooling forming method or a powder forming method. The mouth immediate-release preparation improves the dispersing speed of the traditional Chinese medicine jelly in the mouth in the precondition of good mouth taste, no water drinking is needed, and the taking of the mouth immediate-release preparation is convenient.

The invention discloses an oral quick-releasing medicament and a process for preparation, raw materials of the invention comprise drugs and findings, the weight ratios of the raw materials are that drugs 5 to 85 parts and the findings is oiliness disperser 15 to 95 parts, and the medicament takes solid shape. Getting raw materials to be standby according to the raw material parts and the weight ration, and the raw materials are made into paper stock by adopting a mode of grinding and stirring, fineness in paper stock is that paper stock which is 95% weight of the medicament can flow in 20 DEG C to 60 DEG C, and the medicament of the invention is prepared through adopting a cooling and shaping method or a powder forming method. An active effect of the invention mainly reflects in that since the preparation of the invention adopts the oiliness disperser and reasonable proportional relationship of each part and the like, the preparation of the invention improves dispersion rate of drugs ingredients in orals, the invention improves absorption rate of drugs under the premise of rapid disintegration, dissolution, and fast effect. When oral saliva is hyposecretion, the phenomenon that medicament is adhered on oral membrane can be avoided, uncomfortable feelings can not occur under any circumstances.

The invention discloses a method for improving hard water resistance of magnesium aluminum silicate inorganic gel. The method comprises steps as follows: (1) adding a modifier to a powdered magnesium aluminum silicate inorganic gel, wherein the modifier is selected from one or more of sodium carbonate, sodium fluoride, sodium phosphate, sodium oxalate, sodium citrate and sodium ethylene diaminetetraacetic acid; (2) after full stirring, heating the gel to the temperature of 30-80 DEG C for 5-20 min while stirring; (3) cooling the gel to the room temperature to obtain the modified magnesium aluminum silicate product. A 1% standard hard water dispersion system is prepared fromthe modified inorganic gel product prepared with the method, and the precipitation quantity of clear water is obviously reduced or even no clear water is precipitatedafter the system is left to stand for 24 h, so that the gel has excellent suspension property in the hard water system, and the problem that existing magnesium aluminum silicate inorganic gel cannot be applied to hard water is solved.

The invention discloses a dispersion machine with high practicability and high efficiency. The dispersion machine comprises a base, wherein a rotating device is fixedly connected to the right side of the top of the base, and comprises a rotating base; the bottom of an inner cavity of the rotating base is fixedly connected with a first motor; a rotating shaft of the first motor penetrates through the top of the rotating base and extends to the outer part of the rotating base; and one exposed end of the rotating shaft of the first motor is fixedly connected with a rotating table. According to the dispersion machine with high practicability and high efficiency, due to a clamping device, the effects of alleviating the workload of an operator and reducing the labor cost are achieved; due to the use of the rotating device, an effect of optionally rotating a dispersion head is achieved; due to the use of a hydraulic telescopic rod, the dispersion head can rotate according to different heights and angles, an effect of accelerating dispersion is achieved, the service life of the machine is prolonged, and the using cost of a user is reduced.

The invention relates to the technical field of concrete, and particularly discloses high-strength impermeable anti-freezing concrete and a preparation method thereof. The high-strength impermeable anti-freezing concrete is prepared from the following raw materials in parts by weight: 400-420 parts of Portland cement, 800-850 parts of aggregate, 20-30 parts of steel fiber, 30-35 parts of cellulosefiber pre-dispersion body, 10-12 parts of silicon powder, 1-1.5 parts of nitrite, 0.5-1 part of sodium benzoate, 8-12 parts of an anti-freezing agent, 1-1.5 parts of a water reducing agent, 1.5-2 parts of an air entraining agent and 220-250 parts of water. The high-strength impermeable anti-freezing concrete has the advantages of high compressive strength and excellent impermeability and frost resistance. The invention further provides a preparation method of the high-strength impermeable anti-freezing concrete.

The invention relates to the field of polyurethane lining pipelines, in particular to an automatic forming device for a polyurethane lining pipeline. The technical problems that when an anti-eccentricity support is arranged, the anti-eccentricity support is clamped and is difficult to move continuously when two persons cooperate with each other inappropriately, the anti-eccentricity support needs to be tightened through a reinforcing steel bar rope, the reinforcing steel bar rope can not be tightened due to arm ache of the workers after multiple operations, and the anti-eccentricity support is loosened are solved. According to the technical scheme, the automatic forming device for the polyurethane lining pipeline comprises a first supporting plate, a second supporting plate, a first protective cover and the like; and first protective covers are fixedly connected to the front parts of the upper surfaces of the first supporting plate and the second supporting plate. According to the device, arrangement of the anti-eccentricity support on the outer surface of an inner pipe of the polyurethane pipeline is achieved, meanwhile, it is guaranteed that wood blocks on the anti-eccentricity support are distributed at equal intervals, manual operation is replaced, and the wood block dispersing speed is increased; and after the space between the inner pipe and a rubber sleeve is sealed, a small hole is reserved, so that polyurethane can be conveniently poured between the inner pipe and the rubber sleeve.

The invention discloses a solar panel selective heat absorption material and a preparation method thereof. The solar panel selective heat absorption material is prepared from the following raw materials in parts by mass: 5-10 parts of a nano-scale spinel type pigment, 4-8 parts of nickel powder, 30-50 parts of linseed oil based waterborne polyurethane-polyacrylic resin, 8-12 parts of drying oil alkyd resin, 4-8 parts of anhydrous acetone, 4-8 parts of EFKA3570, 4-12 parts of SN-5027 and 8-20 parts of a polyether modified silicone oil defoamer. The solar panel selective heat absorption materialprovided by the invention is simple in preparation technology, low in cost and liable in industrial production; and in addition, a coating prepared by using the material is high in heat absorption rate and low in light emitting rate and has good mechanical properties and stronger weatherability.

The invention provides rubber mixing equipment which comprises an operation desk. A mounting frame is fixedly arranged on the upper end surface of the operation desk, two rubber mixing rolls are mounted on the mounting frame, handles for adjusting the distance between the rubber mixing rolls are arranged at the tail ends of the rubber mixing rolls, power connecting shafts for being connected withpower devices are further arranged at the tail ends of the rubber mixing rolls, brackets are arranged at the lower ends of the rubber mixing rolls, a collecting plate is arranged on the brackets, thebrackets are mounted on the mounting frame, a discharge device is arranged at the upper end of the mounting frame and comprises a hopper, an unloading opening and a support frame, the support frame isfixedly welded with the hopper and is fixedly inserted with the mounting frame, a support device is fixedly connected with the lower side of the operation desk, and a transport trolley is arranged atthe lower end of the support device. The rubber mixing equipment has the advantages that the discharge device is arranged on the mounting frame, accordingly, diversified auxiliaries can be slowly anduniformly released into rubber sheets after being sufficiently mixed with one another in the discharge device, the dispersion speeds of the auxiliaries in the rubber sheets can be increased, the rubber mixing speeds can be increased, and the purpose of improving the rubber mixing efficiency can be achieved.

The invention relates to a traditional Chinese medicine mouth immediate-release preparation and a preparation method thereof. Basic raw materials of the preparation include a main material and a subsidiary material. The main material is traditional Chinese medicine which includes traditional Chinese medicine materials, traditional Chinese medicine decoction pieces or traditional Chinese medicine extracts; the subsidiary material is oil dispersant and can be added with water-soluble dispersant, flavoring and surface active agent when necessary; and the weight percentage of the main material is 0.1 percent to 80 percent, and the weight percentage of the subsidiary material is 20 percent to 99.9 percent. The detail operating steps are as below: (1) preparation of the materials; (2) preparation of a sizing agent: thinning and liquefying are included, final fineness of the thinning is less than 200 microns in the case of 95 percent of the preparation by weight, the liquefying is that solid grains are dispersed in the oil dispersant by means of mixing, and the weight percentage of the addition of the oil dispersant meets the condition that oil content in a finished product is not less than 15 percent; and (3) formation: the finished preparation is obtained by adopting a cooling forming method or a powder forming method. The traditional Chinese medicine mouth immediate-release preparation improves the dispersing speed of the traditional Chinese medicine components in the mouth in the precondition of good mouth taste, no water drinking is needed, and the taking of the traditional Chinese medicine mouth immediate-release preparation is convenient.

The invention relates to an agricultural water ecological treatment structure and a construction method thereof. The agricultural water ecological treatment structure comprises a wetland bed, whereinthe wetland bed comprises an impermeable layer, a silt guiding layer and a filler layer which are sequentially arranged from bottom to top, wetland aquatic plants are planted at the top of the fillerlayer; the silt guiding layer is provided with a silt guiding pipe used for guiding out silt; the silt guiding layer is provided with a silt raising assembly; a water distribution pipe for uniformly distributing water on the filler layer is arranged at the top of the filler layer; a water collecting channel is arranged on the side surface of the wetland bed; and the filler layer is provided with awater collecting pipe for guiding water into the water collecting channel. The agricultural water ecological treatment structure has the effects of reducing the possibility of wetland blockage and enhancing the operation efficiency of the wetland. The construction method of the agricultural water ecological treatment structure in the invention comprises the following steps: building a wall body on the edge of the wetland bed; laying the impermeable layer, the silt guiding layer and the filler layer upwards in sequence; and conducting water testing and plant planting.

The invention relates to a western medicine oral immediate-release preparation and a manufacturing method thereof, the basic raw materials of the prepration comprise main materials and an auxiliary material, wherein, the main materials are western medicines comprising chemical medicines and biological products; the auxiliary material is an oily dispersant, and if necessary, a water-soluble dispersant, a corrective and a surfactant can be added; the weight percentage of the main materials is 0.1-80 percent, and the weight percentage of the auxiliary material is 20-99.9 percent. The specific preparation steps comprise: (1) preparation of materials; (2) preparation of slurry: the preparation comprises refining and liquefaction; the final fineness of the refining is 95 percent of the weight of the preparation is below 200 microns, the liquefaction process adopts a stirring method to lead solid particles to be dispersed in the oily dispersant; the weight percentage of the added amount of the oily dispersant causes the oil content in a finished product to be not less than 15 percent; (3) molding: a cooling molding method or a powder molding method is adopted to prepare a finished product preparation. The western medicine oral immediate-release preparation can improve the dispersion rate of western medicine ingredients in oral cavity under the premise of achieving a better taste, and the administration does not need to drink water, thereby being convenient.

The invention discloses a printing ink feeding-dispersing cylinder with a dual layer structure. The printing ink feeding-dispersing cylinder comprises a feeding-dispersing cylinder body, a cylinder cover, a driving motor, a rotation shaft, a cooling water inlet, a cooling water outlet, a feed inlet, and a discharge outlet. The feeding-dispersing cylinder body has a dual layer structure and comprises a dispersing cylinder outer layer and a dispersing cylinder inner layer. The cylinder cover is covered on the top of the feeding-dispersing cylinder body. The driving motor is arranged on the center of the cylinder cover. The driving motor penetrates the cylinder cover and is connected to the rotation shaft. The top of the left side of the dispersing cylinder outer layer is provided with the cooling water inlet, the bottom of the left side of the dispersing cylinder outer layer is provided with the cooling water outlet, the top of the right side of the dispersing cylinder inner layer is provided with the feed inlet, and the bottom of the right side of the dispersing cylinder inner layer is provided with the discharge outlet. The grinding temperature of the printing ink is reduced. During the grinding process, the printing ink is dispersed and stirred, the solvent volatilization is prevented, the dispersion speed is increased, the dispersing effect is improved, the pressure in the cylinder and the external pressure are balanced, thus the dispersion becomes more stable, the work efficiency is improved, and the cost is reduced.

The present invention discloses a nanocomposite coating composition and coating method for antenna reflector. The nanocomposite coating composition comprises a polymer matrix resin and a plurality of graphene nanoparticles. A portion of hardener is firstly added into epoxy resin system. The plurality of graphene nanoparticles is added to acetone solvent and dispersed using an ultrasonic disperser. An appropriate amount of prepared epoxy resin is added to the mixture of graphene and acetone solvent and stirred using a mechanical stirrer for certain period. The sonication process is applied to the graphene incorporated resin mixture for a duration of about 30-120 minutes. The acetone in the mixture is removed using a magnetic stirrer and a vacuum oven. Further, the remainder of the hardener is added to the mixture and degassed using vacuum oven to form the nanocomposite coating composition. The nanocomposite coating composition converts an electromagnetically insulated antenna into an electromagnetically conductive antenna for enhancing one or more electromagnetic characteristics of the antenna reflector.

The invention discloses a method for preparing Bi-2212 precursor powder through an inclined rotary sintering process. The method comprises the following steps: step 1, preparing Bi2O3, Ca(OH)2, SrCO3and CuO into mixed powder or oxalate mixed powder; and step 2, filling an inclined continuous rotation automatic sintering device with the mixed powder or the oxalate mixed powder, carrying out continuous segmented heating sintering under the condition that furnace tubes of all sintering furnaces are inclined and rotate so as to obtain the Bi-2212 precursor powder. According to the invention, theinclined continuous rotary sintering process is adopted for segmented heating sintering, and corresponding treatment powder is uniformly and continuously distributed in the furnace tubes, so the thickness of the treatment powder in each sintering process is effectively reduced; the diffusion of an external atmosphere into the treatment powder can be easily realized; the generation of an impurity phase due to the fact that the treatment powder located at the bottom part or the center of a treatment powder pile in the sintering process is located in a low-oxygen atmosphere is avoided; and the quality of the Bi-2212 precursor powder is improved.

The invention provides an attapulgite clay suspending agent special for a liquid fertilizer. The attapulgite clay suspending agent special for the liquid fertilizer is of a core-shell structure, wherein the core-shell structure uses attapulgite clay as a core, the surface of the attapulgite clay is grafted with a thickening agent, and the grafting rate of the thickening agent is 25%-40%. The attapulgite clay suspending agent special for the liquid fertilizer uses the attapulgite clay as the core, thickening agent molecules are grafted to the surface layer of the attapulgite clay, so that a three-dimensional structure easily soluble in water is formed by the attapulgite clay to reduce the interference of ions in the liquid fertilizer to the colloid property of the attapulgite clay, the stability and suspension properties of the attapulgite clay in the liquid fertilizer are improved, meanwhile fertilizer particles in the liquid fertilizer are prevented from sinking, and accordingly layering of liquid fertilizer can be prevented for a long time. In addition, the invention further provides a preparation method.

The invention relates to a mouth immediate-release preparation of a traditional Chinese medicine jelly, and a preparation method thereof. Basic raw materials of the preparation include a main material and a subsidiary material. The main material is mainly jelly, and the subsidiary material is mainly oil dispersant and can be added with water-soluble dispersant, flavoring and surface active agent when necessary; and the weight percentage of the main material is 0.1 percent to 80 percent, and the weight percentage of the subsidiary material is 20 percent to 99.9 percent. The detail operating steps are as below: (1) preparation of the materials; (2) preparation of a sizing agent: thinning and liquefying are included, final fineness of the thinning is less than 600 microns in the case of 70 percent of the preparation by weight, the liquefying is that solid grains are dispersed in the oil dispersant by means of mixing, and the weight percentage of the addition of the oil dispersant meets the condition that oil content in a finished product is not less than 15 percent; and (3) formation: the finished preparation is obtained by adopting a cooling forming method or a powder forming method. The mouth immediate-release preparation improves the dispersing speed of the traditional Chinese medicine jelly in the mouth in the precondition of good mouth taste, no water drinking is needed, andthe taking of the mouth immediate-release preparation is convenient.

The invention relates to a pollution-free preparation process of a direct blue 281 dye. The process comprises the following steps: firstly, dissolving a red base B and OP-10, subsequently adding sodium nitrite for diazotization, further coupling the diazotized red bases B with chromotropic acid at 0-10 DEG C when the pH value is 8.5, and reducing a coupled product by using a glucose solution for coupling, wherein the temperature t is 50-60 DEG C and the pH value is 12.5-13; finally performing spray drying to obtain a finished dye product. Due to the added OP-10 which can be used for remarkably increasing the dissolution speed of the red base B when the red base B is dissolved, the pulping time is effectively shortened, i.e., the time is reduced to be 2 hours from 4 hours, the temperature of the melting point of OP-10 is 68-78 DEG C, the hydroxyl value is 87+5, and because of the unique physical and chemical characteristics, the dispersion velocity of the red base B is remarkably increased, the dispersion efficiency is improved, the whole production time is further shortened, the production efficiency is improved, and the capacity is increased.

The invention discloses a high-efficiency attapulgite forming equipment, which comprises: a collection box, which is installed on a rotating disk and arranged in multiple groups in a circle; an annular shell is arranged above a group of the collection boxes, and is corresponding to the collection box. The end opening is provided with a discharge port, which is fixed on the fixed shell; the screening ring box is embedded in the annular shell and is rotated and connected. Two sets of rotary sealing components are arranged symmetrically on the left and right; the grinding device is arranged in the screening ring box, and is sandwiched between the inner rotary sealing components on the left and right sides.

The invention relates to a health product oral fast-release preparation and a production method thereof. The basic raw material of the preparation comprises main material and auxiliary material. The main material is health product raw material. The auxiliary material is oily dispersant mainly, and water-soluble dispersant, flavouring and emulsifier are added when necessary. The weight percentage of the main material is 0.1 percent to 80 percent, and the weight percentage of the auxiliary material is 20 percent to 99.9 percent. The method comprises the following steps: (1) preparing materials;(2) preparing slurry, including thinning and liquidizing, the finial fineness of the thinning is that 80 percent of the weight of the preparation is less than 300 microns, and the liquidizing processis that solid particles are dispersed in the oily dispersant in a stirring way. The weight percentage of the addition quantity of the oily dispersant can satisfy that the oil content in a finished product is not less than 15 percent; (3) molding that a finished product preparation is manufactured by a cooling molding method or a powder molding method. The health product oral fast-release preparation of the invention improves the dispersing speed of health product component in mouth under the precondition of achieving good flavor and is convenient for people to take without drinking water.

The invention discloses a method for improving the hard water resistance of magnesium aluminum silicate inorganic gel, which comprises the following steps: (1) adding a modifier to powdery magnesium aluminum silicate inorganic gel; the modifier is selected from One or more of sodium carbonate, sodium fluoride, sodium phosphate, sodium oxalate, sodium citrate and sodium edetate; (2) After fully stirring, heat up to 30~80°C while stirring, and keep for 5 ~20min; (3) Cool to room temperature to obtain the modified magnesium aluminum silicate product. The modified inorganic gel product prepared by the inventive method is made into a 1% standard hard water dispersion system, and the amount of clear water precipitation after standing still for 24 hours is significantly reduced, or even no clear water precipitation, indicating that it has excellent suspension performance in hard water systems , which solves the problem that the existing magnesium aluminum silicate inorganic gel cannot be applied in hard water.

The invention discloses a preparation technology of kaolin for large thin-plate bricks, and relates to the field of kaolin processing technologies. The preparation technology comprises the following steps: 1, mining, and removal of impurities; 2, pulping and desanding; 3, chemical bleaching; 4, washing and dehydrating to obtain a kaolin ore pulp final material; 5, drying and pulverizing to obtaina kaolin intermediate filter cake; 6, addition of a modifying material according to a weight ratio of the modifying material to the kaolin intermediate filter cake of 1:(4-8), and uniform mixing; 7, filter pressing dehydration; and 8, drying and crushing to obtain the kaolin for large thin-plate bricks, wherein the modifying material in step 6 comprises 3-5 wt% of bentonite, 0.6-1 wt% of sodium humate; 2-5 wt% of coal series kaolinite, 0.03-0.05 wt% of sodium carboxymethyl cellulose and 0.01-0.02 wt% of a coupling agent. The method has the advantages of improving the plasticity index of the kaolin and the breaking strength of a dry blank and improving the maximum size of the kaolin when the kaolin is used for manufacturing large thin-plate bricks.

The invention belongs to the field of oilfield development, and particularly relates to a low-permeability oil reservoir bio-based microemulsion plug removal and augmented injection system and an injection process thereof.The low-permeability oil reservoir bio-based microemulsion plug removal and augmented injection system comprises 0.5%-5% of bio-based surfactants, 0.8%-1.2% of inorganic salt, 1%-2% of light component oil, 1%-3% of small molecule alcohol and the balance water, the PH value of the finally formed solution system is 7-7.5, the HLB solubilizing value is 13-16, and the injection process is simple. The dissolving capacity of substances such as colloid asphaltene and paraffin in the thickened oil is improved, and the fluidity of the thickened oil is improved; by adding the lipopeptide surfactant, the wetting capacity of the system and crude oil action is changed, an emulsification phenomenon is formed, the microemulsion plug removal and injection augmentation system and production injection water are injected at the same time, stratum colloid, wax and residual organic blockages of a stratum can be effectively dissolved through the organic solvent, butanol is adopted as a solubilizer, and the system has the advantages that the system is simple in structure and low in cost; the dispersion rate of the organic solvent in the stratum can be effectively improved, the dissolution rate of the system to organic blockages is improved, and the stratum is not damaged due to the excellent environmental protection capability of the bio-based surfactant.

The invention relates to the field of polyurethane-lined pipelines, in particular to an automatic molding device for polyurethane-lined pipelines. The technical problem is: when the anti-eccentric support is arranged by two people, improper operation will cause the anti-eccentric support to get stuck and it is difficult to continue to move, and the anti-eccentric support needs to be tightened with a steel rope. After repeated operations, the worker's arm is sore and the steel rope will be twisted. Not tight, making the anti-eccentric bracket loose. The technical solution is: an automatic forming device for polyurethane-lined pipelines, including a first support plate, a second support plate, a first protective cover, etc.; Connected with the first protective cover. The invention realizes the arrangement of the anti-eccentric support on the outer surface of the inner tube of the polyurethane pipeline, and at the same time ensures the equidistant distribution of the wooden blocks on the anti-eccentric support, replaces manual operation, and improves the dispersion rate of the wooden blocks; After sealing, leave a small hole to facilitate the perfusion of polyurethane between the inner tube and the rubber sleeve.

The invention relates to a pollution-free preparation process of a direct blue 281 dye. The process comprises the following steps: firstly, dissolving a red base B and OP-10, subsequently adding sodium nitrite for diazotization, further coupling the diazotized red bases B with chromotropic acid at 0-10 DEG C when the pH value is 8.5, and reducing a coupled product by using a glucose solution for coupling, wherein the temperature t is 50-60 DEG C and the pH value is 12.5-13; finally performing spray drying to obtain a finished dye product. Due to the added OP-10 which can be used for remarkably increasing the dissolution speed of the red base B when the red base B is dissolved, the pulping time is effectively shortened, i.e., the time is reduced to be 2 hours from 4 hours, the temperature of the melting point of OP-10 is 68-78 DEG C, the hydroxyl value is 87+5, and because of the unique physical and chemical characteristics, the dispersion velocity of the red base B is remarkably increased, the dispersion efficiency is improved, the whole production time is further shortened, the production efficiency is improved, and the capacity is increased.

The invention discloses a sludge heating and drying system, which includes a pretreatment mechanism, a transmission mechanism and a drying mechanism. The pretreatment mechanism includes a dehydration chamber and a dispersion chamber. An inclined table and a dispersing device, the drying mechanism includes a drying box and a heating device, and the drying method includes the following steps: (1) sludge initial water removal treatment; (2) sludge dispersion treatment; (3) sludge drying treatment; (4) Cleaning and inspection and repair. The invention has simple structure and strong practicability. Most of the sewage in the sludge is removed through the dewatering chamber, and then the extruded sludge is dispersed through the dispersion chamber, so as to reduce the working pressure of the drying box and improve the sludge yield. The drying effect and drying quality are improved, water resources are saved, and the comprehensive utilization rate is improved.

The invention relates to the field of coatings, and in particular, relates to bi-component water-borne wood paint and a preparation method thereof. The bi-component water-borne wood paint comprises the following components in parts by weight: a water-borne acrylic emulsion, a water-borne polyurethane emulsion, a modified defoaming agent, a wetting agent, a coalescing agent and deionized water, wherein the modified defoaming agent is formed by mixing a defoaming agent, organobentonite, an emulsifier and deionized water, and a preparation method of the modified defoaming agent comprises the steps: stirring and mixing the defoaming agent and the organobentonite, then adding deionized water accounting for 10-15% of the total mass of the deionized water in the modified defoaming agent, stirring and mixing, then adding the emulsifier, stirring and mixing, adding the rest deionized water in the modified defoaming agent, and stirring and mixing to obtain the modified defoaming agent. According to the bi-component water-borne wood paint, the modified defoaming agent has good compatibility with a mixed system and also has good defoaming capacity, so that a final paint film is flat and free of shrinkage cavities.