747results about How to "Promote aggregation" patented technology

The invention provides a coal gangue organic fertilizer and a preparation method thereof, and belongs to the technical field of fertilizers. The coal gangue organic fertilizer is prepared by uniformly mixing modified coal gangue, forestry and agricultural residues and a microbial agent, performing high-temperature aerobic composting and aging. Organic components of the coal gangue and nutrient elements such as nitrogen, phosphorus, potassium, calcium and the like required by plant growth are fully utilized, the carrier effect of the coal gangue is also played, and the coal gangue organic fertilizer prepared from the modified coal gangue has a relatively high decomposition degree and is greatly beneficial to seed growth. According to the invention, on one hand, the problems of large stockpiling land occupation and environmental pollution of coal gangue, forestry and agricultural residues and other solid wastes are relieved, and on the other hand, the prepared organic fertilizer can turn waste into wealth and realize solid waste recycling.

The invention relates to a composite multi-effect scale and corrosion inhibitor and a preparation method thereof, and belongs to the technical field of water treatment agents.The composite multi-effect scale and corrosion inhibitor is prepared from carboxylic acid monomers, sulfonate monomers, organophosphorus compounds, modified chitosan, modified nanometer titania, oxidation type initiators, reduction type initiators, azole derivatives and the like, the modified chitosan is formed by coating the surface of chitosan with cerium chloride; the modified nano titanium dioxide is formed by coating the surface of nano titanium dioxide with sodium polyaspartate. The composite multi-effect scale and corrosion inhibitor is prepared in a mode of compounding while synthesizing, the scale inhibition effect is excellent, the comprehensive descaling capacity can reach 97% or above, and the composite multi-effect scale and corrosion inhibitor can be used for a high-pH, high-alkalinity, high-temperature and high-hardness circulating cooling water system under the high-concentration-multiple operation condition; the method is suitable for circulating cooling water treatment requirements under harsh conditions in industries such as chemical industry, smelting and light industry.

The invention relates to the technical field of image processing, in particular to a remote sensing image registration method based on convolution attention, which comprises the following steps: inputting an original remote sensing image pair into a convolution layer of a modal adapter to obtain original features, and processing the original features by adopting a convolution attention method to obtain target features; inputting the target feature as a modal adaptive feature into a feature encoder to obtain a feature descriptor; inputting the feature descriptors into a feature detector, and estimating global detection feature points by using conditional probability; and performing preliminary matching on the feature descriptors and the feature points by using an FLANN algorithm, and performing outer point elimination in combination with an RANSAC algorithm to obtain a registration result. According to the method, richer feature representation can be provided for remote sensing images of sparse and repeated texture areas, and the registration effect is improved.

The invention relates to a water ecological restoration system and a restoration method, and belongs to the technical field of water treatment. According to the water ecology restoration system, a retaining wall is arranged on the downstream of the junction of a branch and a river channel, and the river channel is divided into a restoration flow channel and a main flow channel through the retaining wall; a water inlet adjusting mechanism, a desilting cavity, a filter dam, a biochemical treatment cavity, a first overflow dam, an oxygenation cavity, a second overflow dam, a biological protection cavity and a water outlet adjusting mechanism are sequentially arranged on the remediation flow channel from upstream to downstream, a buffer pond is arranged on the river bank side of the biological protection cavity, a planting floating bed is arranged in the biological protection cavity, hygrophytes are planted on the planting floating bed, and a water outlet adjusting mechanism is arranged on the water outlet adjusting mechanism. Submerged plants are arranged at the bottom of the buffer pond. According to the device, aquatic organisms such as fishes can be sheltered, water can be purified, the water ecological restoration effect is good, facilities can be prevented from being destroyed by flood, and the aquatic organisms are protected during flood discharge.

The invention relates to the technical field of sewage treatment, and discloses a micro-plastic-containing sewage water body treatment agent and a preparation method thereof. The preparation method comprises the following steps: adding quaternary ammonium salt modified chitosan modified carbon nanotubes, carboxyl betaine cellulose modified polyacrylamide and polyaluminum chloride into a reactor, and stirring to obtain the micro-plastic-containing sewage water body treatment agent. The carbon nanotubes can provide abundant adsorption sites to adsorb micro-plastic particles in water; the quaternization modification enhances the charge neutralization, bonding bridging and netting sweeping effects of the chitosan; after the quaternary ammonium salt modified chitosan and the carbon nanotubes are compounded, the dispersity of the carbon nanotubes is improved, and the removal effect on the micro-plastics is enhanced; long-chain groups are grafted on the surface of the cellulose, so that the hydrophobicity is improved, and the surface activity of the cellulose is improved; polyacrylamide molecular chains contain anionic and cationic groups at the same time, positive and negative charges can interact with each other in water, a cross-linked network is formed in the molecular chains and among the molecular chains, and the removal effect on micro-plastics is improved.

The invention relates to a power transmission line fire smoke identification method based on improved YOLOv9. The method comprises the following steps: constructing a fire smoke image data set; constructing a power transmission line fire smoke detection model; inputting the training set into the power transmission line fire smoke detection model for training, and storing the optimal power transmission line fire smoke detection model obtained through training; and inputting a to-be-identified power transmission line fire smoke picture into the optimal power transmission line fire smoke detection model to obtain a power transmission line fire smoke picture detection result. According to the method, depth separable convolution is introduced, so that the calculation amount can be reduced, parameters are reduced, and the network detection speed is increased; a parallel weighted mixed domain attention module is adopted to enhance extraction of target features in the fire smoke image; the up-sampling content perception feature recombination network structure CARAFE has a larger receptive field, the perception of important content is enhanced, and the lightweight level of the model can be kept due to the fact that the operation amount is small.

The invention discloses a hydrophilic material and a hydrophobic material, a preparation method of the hydrophilic material and the hydrophobic material, and a gas-liquid separation filtering device equipped with the hydrophilic material and the hydrophobic material, the hydrophilic material comprises a substrate surface which is etched into a micro-nano structure, and a hydrophilic layer is formed on the surface of the substrate; the hydrophobic material comprises a base material and a hydrophobic layer, the surface of the base material is etched into a micro-nano structure, and the hydrophobic layer is formed on the surface of the base material; the windward side of the filtering device for gas-liquid separation is made of a hydrophilic material, the air outlet side of the filtering device for gas-liquid separation is made of a hydrophobic material, the hydrophilic material and the hydrophobic material can be folded surfaces or curved surfaces, and water gathered by the hydrophilic material and water intercepted by the hydrophobic material are recycled through water guide holes; the hydrophilic material is formed by carrying out surface plasma treatment activation on a base material and carrying out surface polymerization modification on a hydrophilic monomer; the hydrophobic material is prepared from a base material through surface plasma treatment activation and hydrophobic monomer surface polymerization modification. According to the cooling tower, the heat dissipation and cooling performance of the cooling tower can be guaranteed while the water resource recycling efficiency is guaranteed.

The invention discloses a method for controlling sludge bulking and realizing sludge granulation by using iron-carbon micro powder. The method comprises the following steps: crushing and grinding iron-carbon particles, and screening to obtain iron-carbon micro powder with the particle size of 50-200 microns; adding the iron-carbon micro powder into the expanded activated sludge system according to the adding amount of 0.5-5.0 kg / m < 3 >; and after addition, the sludge bulking phenomenon is rapidly controlled, and the sludge settling performance is obviously improved. Besides, the iron-carbon micro powder is used as a crystal nucleus, and the iron-carbon powder plays a micro-electrolysis role, so that the formation of the aerobic granular sludge is promoted, and meanwhile, the pollutant removal performance of the system is improved. The problem of sludge bulking in wastewater can be effectively solved, and the aerobic granular sludge with efficient treatment performance can be cultured.

The invention discloses a lifting type guide chute, and relates to the technical field of guide chutes, the lifting type guide chute comprises a support frame and a guide chute body, and further comprises an adjusting mechanism arranged on the inner wall of the guide chute body, the adjusting mechanism comprises a rotating plate, a spring fixed above the rotating plate through a groove, a base plate fixed with the top end of the spring, and an adjusting assembly, according to the lifting type material guide groove, the adjusting mechanisms are arranged in the side plates of the material guide groove, when materials are discharged, the impact force of material descending can be relieved, scattered materials can be conveniently gathered in the middle of the conveying belt during discharging, the side plates are protected, the conveying belt is not prone to falling, and the material guide groove is convenient to use. And meanwhile, by adjusting the angle of the rotating plate, the discharging speed and quantity of the materials can be controlled, the discharging stability is further improved, the situation that the materials are excessively stacked, the conveying efficiency is affected, the conveying belt is protected is avoided, the maintenance frequency is reduced, and the service life of the conveying belt is prolonged.

The present invention discloses a detection device for the production and processing of high specific volume corrosion foil, which relates to the technical field of corrosion foil production detection, including a bracket 1 and a bracket 2; a feeding part, which is used for conveying during the production process of the corrosion foil, unrolling the rolled corrosion foil for monitoring, and then reeling the corrosion foil after monitoring, and the feeding part includes a reeling and unwinding assembly fixedly mounted on the bracket 1. The advantages are: the device uses laser to detect the thickness and flatness of corrosion foils of different thicknesses, with high light intensity, high stability, fast light beam reflection speed, high detection efficiency, and in the detection process, the reflection point of the laser beam is received at the same point, the receiving point is single and stable, and the detection accuracy is high. In addition, the tension of the corrosion foil can be adjusted according to the actual situation of the corrosion foil during the detection process to ensure that the tension of the corrosion foil is within the optimal detection range, further improving the detection accuracy.

The invention provides a self-supporting carbon-based material loaded with iron nanoparticles as well as a preparation method and application of the self-supporting carbon-based material, and belongs to the technical field of preparation and application of an electrocatalyst for removing nitrate in sewage. The preparation method of the self-supporting carbon-based material loaded with the iron nanoparticles comprises the following steps: providing a carbon felt subjected to acid pickling and water bath heating; the method comprises the following steps: mixing an iron precursor and urea in a solvent to obtain a mixed solution containing iron salt; and mixing the carbon felt with the mixed solution containing the iron salt, and carrying out a hydrothermal reaction to obtain the self-supporting carbon-based material loaded with the iron nanoparticles. When the iron nanoparticle-loaded self-supporting carbon-based material provided by the invention is used as a cathode for electro-catalysis of nitrate-containing wastewater, a good removal rate and ammonia nitrogen selectivity are achieved, and the catalyst can keep relatively high nitrate nitrogen removal and ammonia nitrogen production effects under the conditions of acidity, neutrality, alkalinity and different initial nitrate concentrations; the method has the advantages of high removal efficiency, good ammonia nitrogen selectivity, strong stability and the like.

The invention discloses a compound traditional Chinese medicine patch for conditioning hyperplasia of mammary glands and a preparation method thereof, and relates to the technical field of traditional Chinese medicine preparations. The compound traditional Chinese medicine patch for conditioning hyperplasia of mammary glands is prepared from an iron-based metal organic framework composite drug carrying system, dopamine hydrochloride, a blank gel matrix, ethyl oleate, menthol, a solubilizer, a wetting agent and water, the iron-based metal organic framework composite drug loading system is composed of traditional Chinese medicine dihydric alcohol plastid, iron-based metal organic framework nanoparticles and cinnamomum camphora essential oil. The traditional Chinese medicine dihydric alcohol plastid and the cinnamomum camphora essential oil are loaded in the iron-based metal organic framework nano particles, so that the transdermal absorption of the medicine is improved, the pH response release property is realized, the dosage of active ingredients permeating into a focus part and the lasting action time are effectively increased, and then a coating layer is formed by polydopamine, so that the anti-inflammatory effect is improved. The dispersibility and compatibility of the drug loading system in vivo are further enhanced, the drug effect can be fully exerted, and the treatment effect on the hyperplasia of mammary glands is remarkably improved.

The invention relates to the technical field of high polymer material pipes, and discloses a heat-resistant modified MPP pipe and a preparation method thereof.The heat-resistant modified MPP pipe is prepared from polypropylene resin, modified polypropylene resin, graphite powder, an antioxidant, a silane coupling agent, stearic acid, paraffin and heat-resistant filler; the preparation method of the modified polypropylene resin comprises the following steps: melting polypropylene resin to obtain melt liquid I; adding modified graphene into the melt I, and then increasing the temperature of the melt I to obtain melt II; adding focused piperazine phosphate and 1, 2-bis (diphenylphosphine) ethane into the molten liquid II, and uniformly stirring to obtain molten liquid III; a negative plate and a positive plate are inserted into the third molten liquid, and 0.1-0.5 A current is conducted for 40-60 min. The problems that when a high-power cable penetrates through an existing MPP pipe for use, due to the fact that the heat conduction performance of the MPP pipe is poor, heat in the MPP pipe is gathered and cannot be dissipated out of the MPP pipe in time, the performance and the service life of the cable are finally affected, and the service life of the MPP pipe is shortened are solved.

The invention provides antibacterial carboxymethyl cellulose hemostatic gauze and a preparation method thereof.The preparation method comprises the steps that carboxymethyl cellulose gauze is soaked in a PBS buffer solution, N-hydroxysuccinimide and 1-ethyl-(3-dimethylaminopropyl) carbodiimide are added into the PBS buffer solution, and a soaking solution is obtained after uniform mixing; adding the graft modified alginate oligosaccharide into the soaking solution, mixing and stirring to generate grafting reaction, taking out the carboxymethyl cellulose gauze after the reaction is finished, washing and drying to obtain the antibacterial carboxymethyl cellulose hemostatic gauze. According to the preparation method disclosed by the invention, the catechol-grafted modified alginate oligosaccharide and partially carboxymethylated carboxymethyl cellulose gauze are subjected to amidation grafting compounding, so that the hemostatic gauze with excellent antibacterial and hemostatic properties is prepared.

The utility model discloses flue gas dust removal equipment for preventing and treating atmospheric pollution, and relates to the technical field of flue gas dust removal. The device comprises a rectangular bottom plate, wherein a spraying mechanism and a mixing mechanism are arranged on the rectangular bottom plate; the spraying mechanism comprises a plurality of spraying assemblies and a conveying assembly, each spraying assembly comprises a dust removal box fixedly installed at the top of the rectangular bottom plate, a catalyst pipe is fixedly installed on the inner wall of each dust removal box, a plurality of catalyst nozzles are fixedly installed on the outer wall of each catalyst pipe, and a water inlet is formed in the front face of each dust removal box; and the water inlet is matched with the top end of the catalyst tube. By arranging the spraying mechanism, the problems that only larger particulate matters in smoke dust can be removed, gaseous pollutants cannot be directly removed, short circuit between the discharge electrode and the collector can be caused by collected dust, regular cleaning is needed, and the maintenance cost is increased are solved.

The utility model discloses a cooling liquid recycling and filtering device for a numerically controlled lathe, which belongs to the technical field of cooling liquid recycling and filtering and comprises a receiving through cylinder, a mounting plate is embedded at the outer end of the receiving through cylinder, and the lower end of the mounting plate is in threaded connection with a square processing frame. A filter screen is fixedly connected to the inner wall of the receiving through cylinder, a built-in cylinder is fixedly connected to the lower end of the filter screen, a suction cleaning mechanism is installed between the filter screen and the built-in cylinder, and a plurality of supporting legs are fixedly connected to the lower end of the treatment square frame. Meanwhile, an attraction cleaning mechanism is matched to drive a magnet long block and a cleaning brush body to clean, attract and collect scrap iron on the surface of the filter screen, so that the scrap iron is concentrated on the magnet long block, multiple parts of meshes of the filter screen are prevented from being blocked, the filtering smoothness of the filter screen is ensured, and the filtering effect is enhanced.

The invention discloses a plug-in ultrasonic vibration assisted laser welding aluminum-based composite reinforcement phase homogenization method which is characterized by comprising the following steps: carrying out mechanical assembly and laser spot welding fixation on a workpiece to be welded; and formal welding operation is conducted on the to-be-welded workpiece, when welding is started to form a keyhole, a variable-amplitude tungsten needle capable of conducting ultrasonic vibration extends into a molten pool to conduct stirring, and welding is completed. Ultrasonic vibration directly acts on a laser welding pool through the variable-amplitude tungsten needle, and the aggregation phenomenon of a reinforcing phase in the welding process is effectively improved. Compared with a traditional method only by optimizing welding parameters or adding filling materials, the method has the advantages that highly uniform distribution of the reinforcement phase in the welding joint area can be achieved, the contour morphology of the welding seam is improved, and the quality of the welding seam is remarkably improved.

The invention provides medical application of UBC9 protein in preventing or treating non-alcoholic fatty liver disease, and relates to the technical field of biological medicine. According to the present invention, the results of a large number of experiments prove that the expression of the UBC9 in the liver tissue of the patient with the non-alcoholic steatohepatitis (NASH) is reduced, such that the UBC9 expression can be reduced, and the application of the UBC9 in the liver tissue of the patient with the non-alcoholic steatohepatitis (NASH) can be provided; the UBC9 liver specific knock mouse aggravates the liver lipid aggregation, inflammation and fibrosis of the NAFLD; on the contrary, the liver lipid aggregation, inflammation and fibrosis of the NAFLD are improved by the UBC9 overexpression mouse. The UBC9 is expected to become a new action target spot for treating the non-alcoholic fatty liver disease. The invention can be used in preparation of products for diagnosis and treatment related to the non-alcoholic fatty liver disease, and has certain clinical transformation prospects.

The invention relates to the technical field of automobile part structures, in particular to a planet row speed reducer lubricating structure for coaxial distributed driving. Comprising a shell, an input shaft, a gear ring, a plurality of planetary gears, a plurality of planetary shafts, a planetary carrier and an oil receiving disc. The gear ring is of an annular structure fixed to the shell. The planetary gears are arranged at intervals in the circumferential direction of the input shaft with the axis of the input shaft as the center, and the planetary gears are meshed with the input shaft and the gear ring; one end of the planetary shaft penetrates through the planetary gear; the planet carrier is sleeved on the input shaft in a manner of rotating around the axis of the input shaft, the planet carrier is fixedly connected with the other end of the planet shaft in the direction of rotating around the axis of the input shaft, and the oil receiving disc is fixed on one axial side of the planet carrier; and the oil liquid sprayed out of the oil liquid channel of the shell is uniformly distributed to the planet carrier, the planet gear, the planet shaft and the first bearing structure in the axial direction. The speed reducer is simple in structure, a special electronic pump does not need to be configured, the energy effect is greatly reduced, and the problem that the NVH effect is poor is solved.

The invention discloses a high-strength steel smelting method for improving the purity of molten steel, which comprises the following steps: (1) carrying out composite desulfurization on lime and magnesium powder in a desulfurization station, and then removing slag to ensure that the sulfur in the back of a converter is less than 150ppm; (2) carrying out desulfurization on the LF by adopting lime and an aluminum deoxidizer until the desulfurization is 20-40ppm; (3) after the molten steel begins to circulate in the RH vacuum chamber, aluminum is added according to the predicted oxygen blowing amount, and oxygen blowing operation is carried out after aluminum adding is finished and stabilization is carried out; (4) 140 + / -10 m seamless pure calcium core-spun yarn is fed, and molten steel is statically stirred for 15-20 min after calcium treatment; (5) performing protective casting during continuous casting, and completely eradicating air suction; and (6) a strong secondary cooling water process is adopted for the thick plate continuous casting billet to accelerate dendritic crystal nucleation in the continuous casting billet, and when the solid-liquid phase rate of the continuous casting billet ranges from 0.2 to 1.0, the center segregation of the continuous casting billet is guaranteed under the heavy pressure of 12 mm. The method has the advantages of improving the purity of the molten steel and improving the center segregation of the continuous casting billet.

The invention relates to the technical field of aluminum strip production equipment, in particular to an aluminum strip oil removal device which comprises a conveying mechanism used for driving an aluminum strip to move during oil removal, and one side of the conveying mechanism is provided with an oil collection assembly used for collecting oil stains removed from the aluminum strip. The two oil scraping mechanisms arranged on the two sides of the aluminum strip at the same time are used for scraping oil dirt, the pressure of the oil scraping strips on the aluminum strip can be adjusted according to the moving speed of the aluminum strip, oil dirt gathering is accelerated immediately, the oil dirt is pumped away through the oil scraping cover, and therefore the whole oil removing quality is improved; the surface of the aluminum strip is wiped through the oil suction barrel and the adsorption cotton in the oil wiping base, oil dirt is adsorbed through the adsorption cotton, then the oil dirt adsorbed on the adsorption cotton is fed into the blowing base through the air feeding pipe by means of air suction and supply of the draught fan, and the aluminum strip is preliminarily blown and deoiled through the blowing base. And excessive oil stains are prevented from being accumulated at the oil scraping mechanism, so that a better oil removal effect is achieved.

The invention is applied to the technical field of lamp production, and particularly discloses a waterproofness testing device for industrial high-protection lamp production, which comprises a bracket base, a double-rod cylinder is fixedly mounted on the outer surface of the bracket base, and a shielding sealing mechanism is arranged between the bracket base and the double-rod cylinder. When the lamp is tested through the shielding and sealing mechanism, sprayed water can be prevented from drifting and splashing all around. According to the waterproofness testing device for industrial high-protection lamp production, after a to-be-detected lamp is fixed on the outer surface of the sliding platform, the to-be-detected lamp is pushed to the position below a sealed housing by a telescopic air cylinder, then a double-rod air cylinder can be started to push out the sealed housing, and the sealed housing drives a sealing gasket to descend and be attached to the outer surface of the sliding platform; and then the water pump can be started to feed water into the water spraying pipe and spray the water to the lamp for detection, and the lamp can be observed through the transparent observation plate at any time, so that the water does not splash everywhere to cause electric conduction or short circuit when the lamp is detected.

The invention discloses a motion group classification and behavior pattern recognition method based on track semantic similarity. The sports group classification method comprises the following steps: step 1, acquiring riding sports data to obtain riding track data; step 2, performing road network matching to obtain a road type of each riding track point; segmenting each riding track according to the road type to obtain a plurality of riding track segments; behavior attributes and motion attributes are determined, attribute calculation is carried out, and semantic assignment is carried out on the riding track segments to obtain semantic track segments; step 3, calculating semantic trajectory similarity to obtain a similarity matrix; and step 4, a similarity network is constructed according to the similarity matrix, community detection is performed by using the similarity network to obtain a plurality of communities, and each community is a sports group category. According to the method, exercise group classification and complex riding exercise behavior pattern recognition can be effectively carried out, and a scientific basis is provided for planning and construction of cities such as greenways and personalized services and management for different exercise groups.

The invention discloses a method for preparing hydrogel through front-end polymerization-3D printing and front-end polymerization type 3D printing ink, and relates to the technical field of functional polymer material preparation. Ink formed by combining Carbomer 940 particle hydrogel, acrylamide and acrylic acid is prepared on the basis of blocking phase change, the printability of the ink is studied, front-end polymerization and a 3D printing technology are combined, a gel precursor solution and Carbomer 940 serve as main components of the 3D printing ink, a front-end polymerization method is adopted, a gel support of a specific structure and morphology is printed, and the 3D printing ink has the advantages of being simple in preparation process, low in cost and high in practicability. A direct ink writing (DIW) technology is coupled with a front-end polymerization reaction, a polymer three-dimensional model is rapidly prepared with minimum energy input, meanwhile, the front-end end face is spread forwards along with the moving track of a printing needle in the printing process, ink is cured into a polymer in situ through high heat release of the polymerization reaction, and the self-supporting capacity of the model is improved.

The invention discloses a coagulant for industrial wastewater treatment and a preparation method thereof, and belongs to the technical field of water treatment.The coagulant comprises a main flocculant and an auxiliary flocculant, the main flocculant is polyferric sulfate and / or polyaluminum chloride, and the auxiliary flocculant is organic modified diatomite; the organic modified diatomite is prepared by condensing aminated diatomite and a carboxylation modifier; the aminated diatomite is diatomite treated by an aminated silane coupling agent. The auxiliary flocculant not only has a porous characteristic, active functional groups on the surface can adsorb metal cations, and the auxiliary flocculant can be integrally used as a crystal nucleus to promote growth and aggregation of other precipitates (such as ferric hydroxide, aluminum hydroxide and the like) on the surface, so that the precipitation process is accelerated, the removal efficiency of pollutants in wastewater is improved, and the wastewater treatment effect is improved. The effect of enhancing coagulation is achieved.

The utility model relates to a flue gas waste heat recovery device of a gas-fired hot water boiler, and aims to solve the technical problems that the existing coiled pipes are arranged in a stacked manner, so that the gathering effect on heat is inconvenient to generate, the heat exchange efficiency is lower, and the rapid and sufficient heat exchange is not facilitated, and the flue gas waste heat recovery device comprises a heat exchange box in which a heat exchange cavity is formed, a heat exchange module is detachably arranged in the heat exchange cavity, the heat exchange module comprises a first heat exchange assembly and a second heat exchange assembly which are arranged in a staggered and crossed mode, the first heat exchange assembly comprises multiple sets of first S-shaped heat exchange pipes which are transversely arranged at equal intervals, and the second heat exchange assembly comprises multiple sets of second S-shaped heat exchange pipes which are longitudinally arranged at equal intervals; the first snakelike heat exchange pipe and the second snakelike heat exchange pipe are arranged in a staggered and crossed mode, a multi-point heat gathering area with the function of promoting the heat exchange effect is formed at the crossed point of the first snakelike heat exchange pipe and the second snakelike heat exchange pipe, and the first snakelike heat exchange pipe and the second snakelike heat exchange pipe are each provided with a straight pipe part and a bent part. The heat exchanger has the advantage of improving the heat exchange efficiency.

The invention relates to the technical field of moxibustion devices, in particular to a cupping moxibustion device with functions of warming uterus and regulating menstruation. The moxibustion device patch is of a rhombus or square structure, a plurality of moxibustion acupoint holes are formed in the surface of the moxibustion device patch and correspond to key acupoints for warming uterus and regulating menstruation respectively, and a navel positioning point is further arranged at the position, close to the center, of the moxibustion device patch; the moxibustion device patch is further provided with smoke-gathering cupping moxibustion corresponding to the moxibustion acupoint holes, the smoke-gathering cupping moxibustion comprises a moxibustion cupping upper cover and a moxibustion cupping body, and the moxibustion cupping upper cover is in clearance fit with the moxibustion cupping body through an upper cover mounting part. A plurality of moxibustion acupoint holes accurately corresponding to human body acupoints are formed in the moxibustion method device patch, a navel positioning point at the center position only needs to attach the moxibustion method device patch to the abdomen with the navel as a reference point during use, moxibustion can be accurately applied without professional knowledge, scientific matching of multiple acupoints can be achieved, moxibustion can be applied at the same time, and the application range is wide. The moxibustion efficiency and the moxibustion effectiveness are greatly improved.

The utility model discloses an air conditioner condensate water collecting device which comprises an air conditioner drainage system, a collecting box and a processing box, the air conditioner drainage system is communicated with the collecting box, a guide frame is arranged on the right side in the collecting box, and a sensor is arranged in the guide frame. The sensor comprises an upper pole piece located on the upper side of the guide frame and a lower pole piece located on the lower side of the guide frame, a floating ball is slidably connected to the interior of the guide frame, a movable scraping plate is tightly attached to the inner wall of the collecting box, a sealing plate is fixedly connected to the bottom of the scraping plate, and a water outlet is formed in the bottom of the collecting box. The sealing plate is tightly attached to and slides in the water outlet, the treatment box is communicated with the collection box, a water pump is arranged at the inner bottom of the treatment box, and the output end of the water pump penetrates to the outside of the treatment box and is fixedly connected with a conveying pipe. By means of the structure, condensate water which is about to be fully collected in the collecting box can be automatically discharged and used.

The utility model discloses a VOCs (Volatile Organic Compounds) treatment system for UV (Ultraviolet) coating spraying waste gas, and relates to the technical field of waste gas treatment. Wherein the VOCs treatment system comprises a filtering and concentrating system and a heat utilization module which are connected in sequence. The filtration and concentration system comprises a wet pretreatment unit, a dry pretreatment unit and a zeolite rotating wheel adsorption and concentration unit which are connected in sequence; the heat utilization module comprises a catalytic combustion unit, and the zeolite runner adsorption and concentration unit is connected with the catalytic combustion unit. The waste gas treatment system disclosed by the utility model can be used for effectively treating acrylic ester, reducing energy consumption and enabling purified gas to reach the standard.

The invention provides a composite hydrogel based on chitosan and an acellular matrix. The composite hydrogel comprises methacrylic acid chitosan and a methacrylic acid modified acellular matrix, the prepared composite hydrogel has good injectability, good degradability and relatively high mechanical properties, and can regulate the aggregation of the bone marrow mesenchymal stem cells (BMSCs), and the bone marrow mesenchymal stem cell composite hydrogel has a remarkable effect of repairing transparent cartilage by transplanting a cartilage defect model.