44results about How to "Accelerate solid-liquid separation" patented technology

The invention relates to a preparation method of a protein magnetic imprinting nano sphere, in particular to a preparation method of a protein magnetic imprinting nano sphere which takes one of hemoglobin, muramidase or serum protein as template molecules; the preparation method includes the following steps: synthesizing magnetic nano particles which are Fe3O4 nano particles covered with silicon dioxide on the surfaces; carrying out silanization to the amino-groups on the surface of the magnetic sphere; using glutaric dialdehyde to connect protein; using silylation agent to fix the space structure of template protein; alkaline eluting the protein on the surface of the magnetic sphere to form imprinting sites. The hemoglobin, muramidase or serum protein magnetic nano imprinting polymer sphere prepared by the invention combines the precise and specific identification property of molecular imprinting and the quick separation property of the magnetic nano sphere under the action of an external magnetic field, integrates the advantages of molecular imprinting and the magnetic nano sphere, avoids complex centrifugation operation, plays vital roles in the separation of cells, protein and nucleic acid, the detection of biomolecules, tumor diagnosis and medicine targeting therapy and has promising application prospect in the field of isolation analysis.

The invention relates to a process and a device for methane anaerobic digestion treatment, which consists of two parts: anaerobic fermentation gas production, and slag discharge, solid-liquid separation and collection thereof; wherein, the anaerobic fermentation gas production process comprises feed manner, process arrangement, the closure reflux of strains, prolonged fermentation gas production time of organic solids, and the like; the processes of the slag discharge, solid-liquid separation and collection thereof comprises low point fall slag discharge, hydraulic agitation slag discharge, strengthened solid-liquid separation, circulation sedimentation separation, organic filtering material filtering and separation, filtering and draining combined separation, and the like; and the device comprises a honeycomb type anaerobic pool, a circular regulation pool and a circular sedimentation pool thereof. The process and the device have an unique feed manner, an effective slag discharge way, full and strengthened solid-liquid separation, and organic solid recycling with high proportion, particularly, fermented gas production materials after the strengthened solid-liquid separation can be guaranteed, meanwhile, organic material recycling with high proportion and water discharge with low concentration can be realized. The process and the device can effectively combine new energy development, organic fertilizer production and the treatment for environment protection; besides, processes are simple and practical, thus being suitable for popularization.

The present invention relates to a method of dewatering whole stillage comprising subjecting whole stillage to one or more enzymes capable of degrading a whole stillage component and separating the material obtained in step i) into a solid fraction and a liquid fraction.

The invention discloses a deep dewatering conditioning method of colistin sulfate residues. Acid is added for reducing the pH value at normal temperature, so that the liquidity is enhanced; a polyamine serves as a dispersant to reduce the viscosity of colistin sulfate residues; PAC and the polyamine are used together so as to reduce the application amount of polyamine, and the PAC also serves as a floc skeleton to improve the hardness of filter residues; due to the purging and trapping functions of CPAM, tiny flocs in colistin sulfate residues can be condensed to carry out effective solid-liquid separation, so that the filtration velocity of residue dewatering is improved, filter liquor enters a filter-press device for filter-pressing, then the filter liquor is introduced into a biochemical treating pond to be treated, filter residues are discharged, and the water content is detected. The water content of dry colistin sulfate residues treated by using the method disclosed by the invention is not higher than 60%; because the water content is low, the secondary drying is facilitated, and the water content of colistin sulfate residues can be reduced to 45-50% after the colistin sulfate residues are naturally dried with air for 1-2 days, therefore, the method is applicable to the large-scale production of low-cost minimization treatment of colistin sulfate residues.

The invention relates to the technical field of molecular biology, in particular to a plasmid extraction device. The device comprises a cracking container, a precipitation container, an eluate container, a collection container and a chromatographic column, the cracking container is communicated with the precipitation container through a first connecting pipe, the precipitation container is communicated with the chromatographic column through a second connecting pipe, the eluate container is communicated with the chromatographic column through a third connecting pipe, valves are arranged on thefirst connecting pipe, the second connecting pipe and the third connecting pipe, the collection container is arranged below the chromatographic column, and the chromatographic column is connected toa vibration mechanism. By arranging the vibration mechanism, the chromatographic column can generate slight vibration during separation, so that solid-liquid separation in the chromatographic column is accelerated, and the extraction speed of plasmids is increased.

The invention relates to a spiral conveying device, in particular to the spiral conveying device with a mud filtering function. The spiral conveying device comprises a material trough, a transmission shaft and blades. One end of the transmission shaft extends to the outer end of the front part of the material trough, and the transmission shaft which extends to the outer end of the front part of the material trough is provided with a rotating head in a sealing mode; and the other end of the transmission shaft extends to the outer end of the tail part of the material trough, and the transmission shaft which extends to the outer end of the tail part of the material trough is connected with a power motor through a coupling. According to the spiral conveying device, during the conveying process of drilling mud, solid and liquid separating for the drilling mud can be effectively conducted; the problems that the existing solid controlling device is high in purchasing cost and long in period of separating process, a sieve is likely to be blocked, and maintenance and repair are inconvenient are solved; by the spiral conveying device, the solid and liquid separating efficiency is significantly improved; meanwhile, the spiral conveying device has the characteristics of being low in cost, short in process period and easy to maintain and repair, and has positive popularizing meanings for reducing the purchasing cost of the existing solid controlling device and improving solid and liquid separating of the drilling mud.

The invention provides an extracting method for lincomycin hydrochloride. The method comprises the steps that S1, a lincomycin fermentation solution is subjected to micro-filtration and nano-filtration, and then a water phase concentration solution is obtained; S2, after the water phase concentration solution is subjected to alkalization treatment, comprehensive flocculation impurity removal is performed, a disc filter performs centrifuging, an alkalization clean solution is extracted by an extraction agent, and an extraction solution is obtained; S3, the concentration solution is concentratedand acidified to be subjected to a reaction for crystallization, and lincomycin hydrochlorid is obtained. Micro-filtration is adopted sequentially for performing solid-liquid separation and nano-filtration of the fermentation solution to obtain the water phase concentration solution, after comprehensive impurity removal, the extraction agent is adopted for extraction, and concentration, acidification and crystallization are performed to obtain lincomycin hydrochlorid. The production process is high in automatic degree, continuous and reliable, the production period is short, and meanwhile theproduct quality is improved.

The invention relates to an intelligent full-tailing sand thickener device and system. The intelligent full-tailing sand thickener device and system comprise an on-line monitoring module, a tailing sand dehydration module and an intelligent control module which are arranged on a rack, and the online monitoring module comprises a data acquisition unit, a core control unit and an execution adjustment unit; and the tailing sank dehydration module comprises a bottom transmission type thickener, a flocculant adding unit, an underflow regulation and control unit and a tailing slurry adding unit; the intelligent control module comprises a data import unit, a data processing unit, an intelligent prediction unit and a result output unit, and the online monitoring module, the tailing sand dehydration module and the intelligent control module are sequentially connected in series. The device and system have the beneficial effects that tailing sands are efficiently dehydrated, and power consumption is effectively reduced; the intelligent level of a tailing sand thickening technology is remarkably improved, the hysteresis of operation regulation and control of the thickener can be effectively shortened, the response speed of a tailing sand thickening system is improved, the manual work amount is reduced, and the process cost is reduced.

A wet paint spray booth treating agent includes sepiolite alone or further accompanying cationic polymer or amphoteric metal compound. In a method of treating a wet paint spray booth, the sepiolite alone or further accompanying the cationic polymer or the amphoteric metal compound is added. The wet paint spray booth treating agent and a method of treating a wet paint spray booth improve the effect of reduction in tackiness and decrease the load of agents to prevent the corrosion of furnishings. The sepiolite is a fibrous mineral containing chain structures having lots of micropores so that the sepiolite can reduce the tackiness of the paint due to reaction with the particles of the paint in such a manner to adsorb the particles in the micropores thereof. Since both the particles of the paint and the particles of the sepiolite are negatively charged, when the cationic polymer or the amphoteric metal compound is added in combination with the sepiolite, the electrical repulsion is reduced so that the particles of the paint become easy to be adsorbed to improve the effect of the reduction in the tackiness.

The invention discloses a solid-liquid separation device which comprises a sedimentation tank. A water incoming pipe is arranged above one side of the sedimentation tank, a water outgoing pipe is arranged below the other side of the sedimentation tank, a blow-off pipe is arranged at the bottom of the sedimentation tank, a solid-liquid separator is arranged below the water incoming pipe, a first water pipe and a second water pipe are arranged at the bottom of the solid-liquid separator oppositely and communicated with the water incoming pipe, and centers of the first water pipe and the second water pipe are not on a same straight line; a separation portion is arranged in the solid-liquid separator, stabilizing portions are arranged above and below the separation portion, a spindle penetrates the stabilizing portions, circumferential rotating direction of the spindle in the stabilizing portions is unlimited, a cant board portion is arranged on the spindle and provided with a triangular board, a whirling portion is arranged below the cant board portion, and the first water pipe, the second water pipe and the whirling portion are arranged in a same plane. The solid-liquid separation device has the advantages of small occupied space, quickness in flocculation and conservation of energy sources.

The invention discloses a method for processing sludge. The method uses a combination of aluminum ash processed by a uniformly-mixed liquid of cetyl trimethyl ammonium bromide and octadecyl dimethyl benzyl ammonium chloride and acetic acid to process the sludge. According to the method disclosed by the invention, the sludge processed by the acetic acid and the modified aluminum ash has a greatly-improved dehydration rate, and the moisture content of the dehydrated sludge can be reduced to 45% or less; the production process is simple to operate, the production costs are low, the waste resourcealuminum ash is fully utilized for sludge treatment, so that the method reflects the environmentally-friendly concept of processing waste by waste; the content of heavy metals in the sludge is reduced while the dehydration effect of the sludge is improved; and at the same time, the process promotes recycling of waste resources, and has broad application prospects and good market prospects.

The Invention discloses a preparation method of silage leach liquor, which is particularly practiced by mixing and immersing sterilized distilling water with silage; performing sonic oscillation afterlow-concentration hydrochloric acid treatment; filtering by a filter membrane, wherein the filter fluid is the silage leach liquor. Besides, the invention further provides an application of silage leach liquor prepared by the preparation method in the silage detection. Diluted hydrochloric acid with 1% of mass concentration is added during the preparation process of silage leach liquor; on the one hand, the low-concentration diluted hydrochloric acid can promote the complete dissolution of fermenting indexes in the silage such as organic acid and ammoniacal nitrogen; on the other hand, the viscosity between the silages is weakened after being treated by hydrochloric acid, the solid and fluid can be separated rapidly in the process of filtering by adopting the filter membrane, thereby greatly shortening the experimental operation time and saving labor force and lab consumables.

The invention discloses a method for preparing a biological flocculant by using biological iron-calcium slag in heap biological leaching. Iron in the biological iron-calcium slag is leached and concentrated by using the biological iron-calcium slag generated in a low-grade copper ore hydrometallurgy heap biological leaching process. The method includes the following three main steps: (1) pre-separation of iron and calcium: mixing the biological iron-calcium slag with raffinate in proportion to obtain iron-rich raffinate, and then adding limestone for neutralization to obtain biological iron-rich slag; (2) multi-stage countercurrent leaching: carrying out circulating countercurrent leaching on the biological iron-rich slag in the system through two-stage serial leaching tanks; and (3) colloid destabilization and separation: sequentially carrying out ultrasonic destabilization and high-temperature viscosity reduction on the mixed solution, and then carrying out filter pressing to obtain the biological flocculant. The production cost is low, the iron concentration in the leachate is larger than 100 g/L, the flocculant can be used as a biological flocculant, the problem of accumulation of biological iron-calcium residues of enterprises is solved, the environmental protection risk and pressure are reduced, and meanwhile economic benefits are created for the enterprises.

The invention discloses deodorization equipment for a garbage treatment device. The deodorization equipment comprises a box body, a top cover plate, a screening mechanism and a mixing mechanism; a deodorization assembly is mounted on one side of the box body; the deodorization assembly is composed of a liquid storage box, a liquid conveying pipe and a spray head; the liquid storage box is arranged on one side of the box body, a liquid inlet is formed in the top end of the liquid storage box, the liquid conveying pipe is fixedly connected to the bottom end of the liquid storage box, and the spray head is fixedly connected to the output end of the liquid conveying pipe; the top cover plate is mounted at the top end of the box body; the screening mechanism is arranged on one side of an inner cavity of the box body; and the mixing mechanism is arranged on the other side of the inner cavity of the box body. The deodorization equipment has the beneficial effects that through the design of the deodorization assembly and a crushing and stirring mechanism, a garbage deodorant is sprayed to garbage in the garbage crushing and stirring process, so that the garbage deodorant can make full contact with the garbage, the garbage and the garbage deodorant can be fully mixed, and the deodorization effect of the garbage is improved.