32results about How to "Reduce purification costs" patented technology

The invention relates to the technical field of carbon nanomaterials, in particular to a single-walled carbon nanotube purification method. Introducing a solvent into the initial sample of the single-walled carbon nanotube: putting the single-walled carbon nanotube with the mass A into a container, adding the solvent with the mass B, and fully stirring to obtain a wet material; low-temperature oxidation in a strong oxidizing atmosphere: putting the wet single-walled carbon nanotube material into a reactor, continuously introducing inert gas, heating the reactor to a relatively low temperature T1, introducing strong oxidizing gas after the temperature is stable, and stopping introducing the strong oxidizing gas after reacting for a certain time; and acid treatment: dispersing the obtained sample into an acid solution, stirring for reaction, and then filtering and drying to obtain the purified single-walled carbon nanotube. According to the method, the purification efficiency, retention rate and purity of the single-walled carbon nanotubes are greatly improved.

The invention discloses recombinant human chemical fibronectin as well as a coding gene and application thereof. The method comprises the following steps: performing codon optimization on an amino acid sequence of recombinant human chemical fibronectin according to codon preference of pichia pastoris to obtain a coding gene nucleotide sequence SEQ ID NO.2, cloning the coding gene nucleotide sequence SEQ ID NO.2 between EcoRI and NotI restriction enzyme cutting sites of a pichia pastoris expression vector pPIC9K to obtain a recombinant expression vector pPIC9K-FNc, and transferring the recombinant expression vector pPIC9K-FNc into a P.pastoris GS115 expression host cell to obtain the recombinant human chemical fibronectin. Recombinant pichia pastoris P.pastoris GS115 / pPIC9K-FNc is obtained through genetic mycin G418 screening, then recombinant bacteria are subjected to fermentation culture and are subjected to induced expression by using methanol, and then the recombinant human chemical fibronectin is obtained after purification. The fibronectin produced by the method is large in molecular weight and has better biological activities such as wrinkle resistance and barrier repair.

The invention relates to the technical field of amine liquid purification, and discloses a thermal power flue gas carbon capture amine liquid purification system utilizing carbon dioxide purging, which is connected with a carbon capture system and comprises a resin desalination module respectively connected with a purification pipeline, a gas transmission pipeline, a liquid transmission pipeline and an alkali liquor box; valves are arranged on the purification pipeline, the gas conveying pipeline and the liquid conveying pipeline; the purification pipeline is connected with the filtering subsystem; the filtering subsystem is connected with an amine liquid pipeline; amine liquid of the carbon capture system is input into the filtering subsystem through an amine liquid pipeline; the gas pipeline is connected with a gas outlet of the carbon capture system, and the gas outlet is used for discharging CO2 product gas of the carbon capture system; a compressor is further connected between the air outlet and the air conveying pipeline; the liquid conveying pipeline is respectively connected with the circulating water tank and the desalted water tank. According to the invention, stable alkali liquor cleaning can be realized, and on the basis of ensuring the cleaning cleanliness of the alkali liquor, the amount of wastewater is greatly reduced, the purification period is shortened, the purification efficiency is improved, and the purification cost is reduced.

The application discloses a kind of purification equipment of ultra-high purity quartz sand and its purification method, including immersion washing tank, the rotating drum is equipped in the immersion washing tank, the rotating drum is opened with door, motor is fixed on the immersion washing tank side plate on rotating drum side, the output shaft of motor is fixedly connected with the side of rotating drum and the side of immersion washing tank, the sealing upper plate is slidably connected on the immersion washing tank;By immersion washing tank, it can realize soaking cleaning and spraying effect by rotating drum, and double purification is carried out on quartz sand;By immersion washing tank, mixing box and sedimentation tank, acid liquid circulation is realized, resource is saved, and purification cost is reduced;By heating pipe on sealing upper plate and the PH tester that is equipped in the inside of immersion washing tank, mixing box and sedimentation tank, the temperature and PH value of acid can be effectively controlled, so that the concentration and PH value of acid always meet the requirement of quartz sand purification, temperature and concentration are strictly controlled, and high-purity purification of quartz sand is realized.

The invention discloses an in-situ leaching liquid injection system and method for high-altitude ionic rare earth ore, and belongs to the field of rare earth hydrometallurgy. The system is composed of a liquid injection well pattern, a layered liquid injection device, a first liquid supply system, a second liquid supply system and a collection system. Exploring the thickness of an ore body weathering crust and vertical distribution of rare earth / impurities; the liquid injection hole is vertically divided into an upper layer liquid injection area (1 / 3-1 / 2 of the upper part) and a lower layer liquid injection area (1 / 2-2 / 3 of the lower part); a 1.0-1.4 wt% low-concentration diethylenetriamine-ammonium acetate composite leaching agent is injected into the upper layer, and co-leaching of impurities such as aluminum and iron is reduced; 1.5-2.5 wt% of high-concentration diethylenetriamine-ammonium acetate composite leaching agent is injected into the lower layer to ensure efficient leaching of rare earth; and rare earth-rich leaching liquid is collected. Compared with a traditional full-layer high-concentration process, the method has the advantages that the use amount of a leaching agent is reduced by 20-40% while the rare earth leaching rate is kept to be larger than or equal to 90%, the aluminum ion concentration of the leachate is reduced by 30-60%, the agent cost and the follow-up impurity removal load are remarkably reduced, and the method is particularly suitable for the high-altitude, low-temperature, low-air-pressure and thick-weathered crust environment.

This invention discloses the application of a Ni-based catalyst in the anti-CO poisoning hydrogenation reaction of a liquid organic hydrogen support, aiming to solve the technical problem of CO poisoning in existing LOHC hydrogenation catalysts. It uses CO-containing crude hydrogen as the hydrogen source to achieve the hydrogenation reaction. The Ni-based catalyst has an M / Ni reverse-phase structure, using hydrogen-dissociated metallic Ni as the support, and loading nano-metal oxide M as the supported phase to construct reverse-phase interfacial active sites. The metal M is a combination of Zr and Al, with the molar fraction of the supported phase metal M ranging from 10% to 25% based on 100% of all metals in the catalyst. The catalyst preparation method of this invention is simple and easy to implement, possessing a non-traditional supported reverse-phase structure. When applied to the anti-CO poisoning hydrogenation reaction, it exhibits superior activity compared to traditional supported catalysts. Furthermore, the reaction system is clean, safe, and reproducible, allowing for effective recycling and making it suitable for industrial production, showing promising application prospects.

The application discloses a zinc powder automatic control method, device and system for antimony salt purification process, which comprises the following steps: constructing a copper and cobalt removal fitting model, calculating the optimal potential setting value by using a particle swarm algorithm and setting the potential setting value; updating the potential setting value by using a fuzzy algorithm and a case reasoning method; constructing a three-dimensional fuzzy rule according to the difference between the current potential measurement value and the potential setting value, generating a zinc powder adjustment amount, adding the current zinc powder addition amount to obtain a new zinc powder amount setting value, writing the new zinc powder amount setting value into a DCS system on line, and controlling the automatic feeding device to add zinc powder. The above steps are repeated to achieve stable potential control and realize the minimum zinc powder consumption. The zinc powder automatic control method for the antimony salt purification process, which automatically adjusts the zinc powder addition amount according to the potential fluctuation, realizes accurate control of the zinc powder addition amount, effectively reduces the zinc powder consumption in zinc hydrometallurgy, and reduces the production cost in the antimony salt purification process.

This application discloses a multi-module combined aquaculture water purification method and system, relating to the field of water purification technology. The method includes: acquiring the rated aquaculture load and module distribution information of multiple aquaculture modules; determining the initial connection topology between the multiple water purification modules through a priori empirical model; collecting real-time monitoring data from the multiple aquaculture modules and calculating the real-time water quality load; optimizing water purification parameters based on simulation analysis; and controlling the aquaculture water purification in the target scenario based on the optimized water purification parameter results. This solves the technical problem of traditional aquaculture water purification methods being unable to dynamically adjust according to the actual load and distribution characteristics of different aquaculture modules, leading to low purification efficiency.

The invention discloses a preparation method of a carbon dioxide hydrogenation reaction catalyst. The preparation method of the oxygen carrier comprises the following steps: placing one or more of particles manually loaded with a copper element or natural ore particles and blank alumina pellets in a fluidized bed reactor according to a ratio, introducing methane gas, and jointly fluidizing at 600 DEG C for 2 hours; and after the reaction is finished and cooling, introducing nitrogen, and adjusting the gas speed until particles are layered to obtain the product catalyst. According to the method, inert particles which are originally wasted in the chemical looping combustion industry can become core components for preparing the catalyst, a special carrier does not need to be additionally purchased, the raw material cost of the catalyst is remarkably reduced, active elements on the surfaces of the prepared particles are uniformly loaded, the wear rate is smaller than 0.2% / h, and the method is a catalyst preparation method oriented to industrial application.

This invention relates to the field of organic compound preparation technology, specifically a method for preparing 11-triglycerides of carbonate via low-temperature acylation. This method uses glycerol and undecanoyl chloride as raw materials, employing a synergistic system of a "composite acid-binding agent + Lewis acid catalyst," and combines in-situ dehydration technology and a stepwise heating strategy in a dual-solvent environment to achieve efficient synthesis. The specific steps include: under nitrogen protection, dissolving glycerol in a dichloromethane-toluene dual solvent, adding a composite acid-binding agent of pyridine and N,N-diisopropylethylamine, anhydrous zinc chloride catalyst, and 4A molecular sieve for in-situ dehydration; dropwise adding undecanoyl chloride at a low temperature of 5-10°C, followed by sequential heating to 30°C for 2-3 hours and then reacting at 50°C for 12-16 hours; and post-processing using a combined process of filtration-multi-stage extraction-membrane separation-column chromatography. This invention provides mild reaction conditions, effectively suppresses side reactions, produces high-purity products, increases molar yield, and reduces solvent toxicity and purification costs.

The invention relates to a system and a method for preparing methanol from biomass. The system for preparing methanol from biomass comprises at least one pyrolysis carbonization unit and a gasification synthesis unit; the pyrolysis carbonization unit comprises a pyrolysis reactor; the gasification synthesis unit comprises a second gasification reactor, a reforming reactor and a synthesis reactor; the preparation method of methanol comprises the following steps: S1, carrying out pyrolysis carbonization on primarily crushed biomass in a pyrolysis reactor to obtain biochar and pyrolysis gas; s2, the charcoal, oxygen and steam are subjected to a pressurized gasification reaction in the second gasification reactor, and second gasified gas is obtained; s3, the second gasified gas is subjected to a reforming reaction in the reforming reactor, and synthesis gas is obtained; and S4, carrying out a synthesis reaction on the synthesis gas in the synthesis reactor. The methanol production process can be amplified on a large scale, and the production cost is reduced.

The invention belongs to the field of biotechnology and enzymology, and particularly relates to a thermostable variant of MDH and application thereof. The amino acid sequence of the mutant is shown as any one of SEQ ID NO: 1 to SEQ ID NO: 23. The catalyst has a normal MDH catalysis function and shows high temperature stability. The thermal stability variant of MDH provided by the invention can be used for replacing traditional MDH to be applied to clinical diagnostic reagents, cold-chain transportation and low-temperature storage are avoided, the cost is reduced, and the shelf life is prolonged.

The invention discloses a method for purifying lithium diallyl malonate borate, which comprises the following steps of: 1, adding a first mixed solvent which comprises a high-polarity organic solvent and a low-polarity organic solvent in a mass ratio of (1: 1)-(1: 5) into lithium diallyl malonate borate crude salt, heating, stirring, dissolving and filtering to remove organic impurity filtrate; 2, the filter cake is subjected to vacuum drying and then ground into fine powder, a second mixed solvent is added, cooling and stirring are conducted, the second mixed solvent comprises a high-polarity organic solvent and a low-polarity organic solvent, and the mass ratio of the high-polarity organic solvent to the low-polarity organic solvent is 9: 1-3: 1; filtering while cold to remove insoluble impurity salt; and 3, concentrating the filtrate into particles, grinding the particles into fine powder, and transferring the fine powder to a vacuum drying oven for drying to obtain a lithium bis (malonate) borate finished product. The method has the advantages that the product purity is high, the metal ion content is low, the operation steps are simple, the purification cost is low, and the use requirements of the electrolyte additive are met.

The present application relates to the technical field of biological products, and particularly relates to a purification and concentration method of bovine rotavirus antigen in suspension culture. The bovine rotavirus antigen purification and concentration method can efficiently purify the bovine rotavirus antigen in suspension culture, effectively remove impurities, and has good protein recovery effect, can better guarantee the immunogenicity of the antigen, significantly improve the recovery efficiency of the bovine rotavirus antigen, and reduce the purification cost; the bovine rotavirus concentrate product prepared by the method has the advantages of high safety, good uniformity, good immunization effect and the like, and the method has the advantages of simple process, low cost and outstanding large-scale application prospect.

The invention discloses a mixture purification and separation process and equipment based on melt crystallization, which comprises the following steps: feeding a crude product material into a crystallization purification device through a crude product storage tank to obtain a high-purity target crystal and a low-purity mother solution; the low-purity mother liquor is fed into a mother liquor storage tank to serve as a material to be purified again; the crystals with higher purity are subjected to countercurrent washing in the crystallization purification device, and impurities on the surface layer are melted and taken away to obtain a high-purity target crystal product; and melting the high-purity crystal to obtain a liquid product or granulating to obtain a solid product. A crude product is conveyed to a second crystallization area through a raw material pump and then is in contact with a cold material to be crystallized and separated out, and a solid falls to a third crystallization area; and the crystals passing through the washing area enter the melting area to be melted, and the melted liquid part is extracted, so that a high-purity product can be obtained.

This invention belongs to the field of heterocyclic pharmaceutical intermediate synthesis technology, specifically disclosing a method for synthesizing N-alkoxycarbonyl-4-amino-4-alkylpiperidine. Using N-alkoxycarbonylpiperidine-4-carboxylate as the starting material, the target product is obtained through a four-step reaction involving alkylation, hydrolysis, amidation, and Hoffmann rearrangement. This invention, through the adaptation and control of the substrate, synthetic route, and synthetic conditions, can solve the problems existing in the substrate-based synthetic route, thereby improving product yield and quality. The method described in this invention achieves a total yield of ≥60% of the target product, with key impurities all <0.1%. The process is safe and controllable, suitable for both laboratory-scale and industrial-scale production.

The invention discloses an electrodeionization separation and purification method applied to a bio-based product desalination process, and belongs to the technical field of biochemical engineering separation. According to the electrodeionization separation and purification method applied to the desalination process of the bio-based product, the advantages of electrodialysis and resin desalination are fused, the resistance between the electrode plates is effectively reduced through the built-in medium containing the ionic groups, then the desalination efficiency driven by current is enhanced, and the production cost is reduced. According to the method, an electrodeionization device is utilized, efficient desalination treatment is carried out on various bio-based products such as saccharides and derivatives thereof, organic acid and organic alcohol, the desalination efficiency generally exceeds 98%, and the unit yield is kept to be 95% or above. In addition, under the configuration of a product flow conveyed across the membrane and a specific membrane group, the technology also shows excellent decolorization performance. The method disclosed by the invention shows wide applicability in desalting treatment of bio-based products, which indicates that the method has a wide development prospect in industrial application.

The application belongs to the technical field of 2,5-furan dicarboxylic acid (FDCA) biosynthesis, and particularly relates to an engineered Pseudomonas and application and a method thereof in 2,5-furan dicarboxylic acid biosynthesis. The engineered Pseudomonas takes MB04S-HMF1 as a starting strain, and 7 copies of a glycerolaldehyde-3-phosphate dehydrogenase gene expression cassette and an aldehyde dehydrogenase gene expression cassette are inserted into a 16s rDNA site of a genome of the starting strain, the glycerolaldehyde-3-phosphate dehydrogenase gene expression cassette comprises P MP00 a promoter, a gapA gene and a gapB gene, and the aldehyde dehydrogenase gene expression cassette comprises P MP00 a promoter and an aldehyde dehydrogenase gene. The engineered strain has good growth performance, extremely high substrate conversion rate and space-time yield, completely eliminates byproduct accumulation, has excellent operation stability and multi-batch recycling ability in continuous multiple recycling, and has extremely high genetic and phenotypic stability.

The invention relates to the technical field of medicine synthesis, in particular to a preparation method of a clindamycin phosphate intermediate. According to the preparation method of the clindamycin phosphate intermediate, the lincomycin hydrochloride and the Vilsmeier reagent are used as starting raw materials, the material ratio is accurately controlled through the micro-mixer and the micro-channel reactor, the stereochemical selectivity of the chlorination step is remarkably improved, the reaction rate is effectively increased, and through continuous preparation, the yield of the clindamycin phosphate intermediate is increased. Compared with the prior art, the method provided by the invention has the advantages that the production of 7-epiclindamycin impurities is reduced, the subsequent purification cost is reduced, the control of the 7-epiclindamycin impurities is realized, the 7-epiclindamycin impurities can be completely removed after the product is crystallized once, and the yield reaches 95-98%.

The invention relates to the field of waste gas treatment, in particular to an industrial waste gas purification device which comprises a spraying box, a partition plate, a filter screen, a sprayer and an air pump, the partition plate, the filter screen, the sprayer and the air pump are fixedly connected into the spraying box, the partition plate and the filter screen are horizontally arranged, the partition plate is located below the filter screen, silk threads of the filter screen are made of elastic materials, and the sprayer is located above the filter screen; the rolling ball, the rotating shaft, the push rod and the rotating motor are located in the spraying box, the rotating motor is fixedly connected with the spraying box, the rotating motor and the rolling ball are located below the sprayer and above the filter screen, the lower surface of the rolling ball is in pressing contact fit with the upper surface of the filter screen, one end of the push rod is connected with the rolling ball, and the other end of the push rod is connected with the rotating shaft. The other end of the push rod is fixedly connected with the rotating shaft; the rolling ball rolls the upper surface of the filter screen to form a lower pit; the input end of the air pump is connected with the top of the space below the partition plate, and the output port of the air pump communicates with the bottom of the space above the partition plate. The contact efficiency of waste gas and water mist can be improved, waste of water resources is reduced, and the purification cost is reduced.

The invention discloses a purification device, a purification system and a purification method.The purification device comprises a channel, an adsorption mechanism and an electric energy supply mechanism, the channel is used for conveying a mixture containing nanometer materials, the adsorption mechanism is arranged inside the channel, and the electric energy supply mechanism is arranged inside or outside the channel; the electric energy supply mechanism is used for applying electric energy to the nanometer material so that at least part of the nanometer material in the mixture can be adsorbed to the adsorption mechanism and / or the nanometer material adsorbed to the adsorption mechanism can be promoted to be desorbed, and the purification device has the advantages of being simple in structure, good in purification effect and capable of meeting the large-scale industrial production requirement. The continuous flow production of the nano material is favorably realized.

The invention discloses a polymeric nano-enzyme material coupled antibody and application thereof in immunohistochemical chromogenic detection, the polymeric nano-enzyme material coupled antibody comprises a PAMAM dendrimer and an antibody covalently coupled with the PAMAM dendrimer, and an external branch of the PAMAM dendrimer is modified and connected with a Ru-POD nano-enzyme. The polymeric nano-enzyme material coupled antibody has the advantages of high stability, simple preparation, long service life, adjustable activity and the like, compared with a traditional horse radish peroxidase-based polymer enzyme secondary antibody detection system, the catalytic performance and storage stability are improved, the catalytic activity on DAB and H2O2 is equivalent to that of natural horse radish peroxidase, and the polymeric nano-enzyme material coupled antibody has the advantages of high stability, long service life, adjustable activity and the like. Wide application prospects are realized.

The invention relates to a carbon dioxide treatment system for an oil-displacing agent. The carbon dioxide treatment system comprises a dehydration skid and a purification skid, the dehydration sledge comprises a molecular sieve tower which is communicated with the communication pipeline, and carbon dioxide enters the molecular sieve tower through the communication pipeline to remove moisture. The purification skid comprises a heat exchange device, a purification tower and a reboiler; the heat exchange device is provided with a first heat exchange channel and a second heat exchange channel, an inlet of the first heat exchange channel is communicated with the dehydration skid through a communication pipeline, and dehydrated carbon dioxide enters the first heat exchange channel through the communication pipeline to be liquefied; a tower inlet in the upper part of the purifying tower is communicated with an outlet of the first heat exchange channel. The reboiler is located at the bottom of the purifying tower, and the liquid carbon dioxide separated by the purifying tower is conveyed to the reboiler for heating; a liquid outlet of the reboiler is communicated with the second heat exchange channel, and purified carbon dioxide is conveyed to the second heat exchange channel for cooling. According to the invention, a dehydration skid and a purification skid are integrated together, so that the integration degree of carbon dioxide industrial treatment is improved.

The invention discloses a bioengineering-based elastin-like protein purification method, which comprises: 1) obtaining an engineering bacterium thallus expressing elastin-like protein, and re-suspending the thallus by using a buffer solution to obtain a thallus re-suspension; 2) adding lysozyme and DNA enzyme into the thallus resuspension, heating to 35-55 DEG C, and stirring for 0.5-2 hours to obtain a thallus lysate; 3) rapidly cooling to 2-10 DEG C, and centrifuging to obtain clear supernate; 4) purifying the supernate through cation exchange chromatography to obtain a protein solution; 5) performing ultrafiltration desalting treatment on the protein liquid to obtain a pure protein aqueous solution; and 6) freeze-drying to obtain the protein. According to the method, the pure protein can be obtained by purifying the protein twice in a thermal cracking mode, the protein recovery efficiency is improved, the production cost is low, meanwhile, efficient purification of the K protein independent of His tag peptide is achieved, and the method is suitable for industrial production.

The application belongs to the technical field of synthesis of heterocyclic medicinal intermediates, and specifically discloses a synthesis method of N-alkoxycarbonyl-4-amino-4-alkylpiperidine, which takes N-alkoxycarbonylpiperidine-4-carboxylate as a starting material, and obtains a target product through four steps of alkylation, hydrolysis, amidation and Hofmann rearrangement. Through the adaptation control of the substrate, the synthesis line and the synthesis conditions, the application can solve the problems existing in the synthesis line of the substrate, so that the yield of the product can be improved, and the quality of the product can be improved. The total yield of the target product is greater than or equal to 60%, the key impurities are all less than 0.1%, the process is safe and controllable, and is suitable for laboratory small test and industrial amplification.

The present disclosure relates to the technical field of electrolytic cell, and one embodiment of the present disclosure provides a copper refining electrolytic cell, which comprises an electrolytic cell body and a pair of support tables arranged at the two ends of the bottom of the electrolytic cell body, an anode plate and a cathode plate are inserted and installed in the electrolytic cell body, an insulating plate installation assembly is arranged at the top of the electrolytic cell body, and a homogenization treatment assembly is arranged in the bottom of the electrolytic cell body, wherein the homogenization treatment assembly comprises a liquid supplementing pipe and a liquid outlet pipe, the liquid supplementing pipe and the liquid outlet pipe are arranged in the two sides of the electrolytic cell body respectively, an inner pipeline is connected between the liquid supplementing pipe and the liquid outlet pipe, and a plurality of dispersion holes are formed in the top of the inner pipeline. Through the above technical scheme, the technical problem that the existing copper refining electrolytic cell generally lacks a stirring and dispersing structure after the electrolyte is supplemented, resulting in uneven composition of the supplemented electrolyte and the original electrolyte in the tank is solved.

The present invention provides method and apparatus for purifying exhaust gas of a vessel and a vessel including the same, in which a risk for a vessel and crew of being exposed to ammonia gas used to collect carbon dioxide included in exhaust gas emitted from a vessel may be minimized and an ammonia solution may be recycled and reused to collect carbon dioxide, in order to satisfy regulations on discharge of exhaust gas by the IMO. Also, the present invention provides an apparatus 1000 for purifying exhaust gas of a vessel and a method of purifying exhaust gas of a vessel using the same, in which carbon dioxide and sulfur dioxide included in exhaust gas emitted from a vessel may be collected by using a reaction solution and may be changed into a substance that does not affect the environment so as to be stored and transported to land.

The invention discloses a method for preparing xylose and arabinose by utilizing wood fiber biomass, which comprises the following steps: adding wood fiber biomass powder into an ultra-low acid aqueous solution for hydrolysis, and then carrying out solid-liquid separation to remove solid residues, thereby obtaining an aqueous solution containing xylose and arabinose. The method for preparing the xylose and the arabinose by utilizing the wood fiber biomass has the advantages of simplicity in operation, high yield of the xylose and the arabinose, low product purification cost, small corrosion to equipment, environmental friendliness and the like, and is suitable for large-scale industrial application.

The utility model provides a steel rolling turbid circulating water treatment medicine injection device which comprises a medicine injection pipe and a medicine mixing pipe, a positive spiral belt and a negative spiral belt which are sequentially connected are arranged in the medicine mixing pipe and are spirally distributed by taking a central shaft of the medicine mixing pipe as a rotating shaft, and the edges of the positive spiral belt and the negative spiral belt are tightly attached to the inner wall of the medicine mixing pipe. Water through holes are formed in the surfaces of the positive spiral belt and the negative spiral belt, the medicine injection pipe is a straight pipe with an open upper end and a closed lower end, the medicine injection pipe is vertically fixed in the medicine mixing pipe, the upper end of the medicine injection pipe extends out of the pipe wall of the medicine mixing pipe, two medicine outlets are formed in the side wall, facing the positive spiral belt, of the medicine injection pipe, and the two medicine outlets directly face the two inlets of the positive spiral belt respectively. According to the utility model, muddy water firstly flows clockwise and then flows anticlockwise when passing through the positive and negative spiral belts, and intersects with water flow passing through the holes in the peripheries of the positive and negative spiral belts to generate streaming, so that medicaments and the muddy water are fully mixed, the dosage of the medicaments per ton of water is reduced, and the purification cost of the muddy water is reduced.

The invention belongs to the field of pharmaceutical preparations, and discloses a lansoprazole sodium bicarbonate capsule and a preparation process thereof, and the preparation process comprises the following steps: firstly, pressing lansoprazole and auxiliary materials into a tablet core; directly tabletting the hydroxypropyl methylcellulose phthalate, the auxiliary materials and the tablet core again to obtain an enteric-coated layer; and finally, carrying out third-time tabletting on sodium bicarbonate, auxiliary materials and the secondarily-pressed tablet core, and pressing into the micro-tablet which sequentially comprises the lansoprazole tablet core, the enteric-coated layer and the sodium bicarbonate quick-acting layer from inside to outside. According to the lansoprazole sodium bicarbonate capsule prepared through the method, after a patient takes the capsule, the sodium bicarbonate layer in the medicine disintegrates rapidly, the concentration of gastric acid is reduced rapidly, pain of the patient is reduced, then lansoprazole wrapping the enteric layer enters the intestinal tract to be released, the gastric acid releasing capacity of gastric cells is reduced, and the symptoms are treated firstly and then the root causes are treated.