104results about How to "Extended retention time" patented technology

The invention discloses a non-derivatization quantitative detection method for amino acid in a high-concentration protein preparation, which comprises the following steps: separating by using a graphitized carbon chromatographic column, adding an ion pair reagent trifluoroacetic acid into a mobile phase, and detecting by using an electric fog detector (CAD); the method comprises the following steps: preparing a plurality of groups of amino acid standard substance solutions with different concentration groups, wherein the concentration range is 1mmol / L-20mmol / L; drawing a quadratic equation standard curve of the amino acid standard product concentration and the peak area as a detection equation for detecting the amino acid concentration; the method comprises the following steps: diluting a test sample by using ultrapure water for multiple times, carrying out ultrafiltration centrifugal treatment, removing protein, introducing the sample, obtaining a corresponding peak area according to the spectrum integral of the test sample, and substituting the peak area into the detection equation to obtain the concentration of amino acid in the test sample. The method has the advantages of high detection precision, high detection efficiency and simple operation, and greatly reduces the adverse effect of high-concentration protein on the chromatographic column.

The invention relates to the technical field of polymer gels, and provides a multi-crosslinking composite gel and a preparation method and application thereof, the preparation method comprises the following steps: fully dissolving an activator in a buffer solution, and adjusting the pH value of the solution to 5.0-6.0 to obtain an activated solution; sequentially adding recombinant III-type humanized collagen, polydeoxyribonucleotide and chitosan into the activated solution, and uniformly dispersing to obtain a cross-linked precursor solution; adding a cross-linking agent into the cross-linking precursor solution, reacting for a period of time to obtain a cross-linking gel intermediate, and purifying to obtain the multi-cross-linking composite gel; the invention also provides the multi-crosslinking composite gel prepared by the preparation method, and application of the multi-crosslinking composite gel in the fields of beauty and plastic surgery. The material has biodegradability and good antibacterial performance, and can ensure slow release of the material and good filling effect and anti-enzymolysis effect at the same time.

The invention relates to the technical field of magnetic separators, and discloses a magnetic separator blanking device capable of avoiding blockage, the magnetic separator blanking device comprises a bottom frame, a magnetic separation rod and a treatment box fixedly mounted in the middle of the top of the bottom frame, the top of the treatment box is connected with a feeding cylinder, the feeding cylinder is internally provided with a blanking assembly, and the treatment box is internally provided with a magnetic separation assembly; the discharging assembly comprises a first motor and a second motor which are fixedly installed on one side of the outer portion of the feeding cylinder, the output end of the first motor is fixedly connected with a left shaft, and first crushing teeth are fixedly installed in the middle of the outer side of the left shaft; the magnetic separation assembly comprises a mounting shaft and a connecting shaft, the mounting shaft is rotationally mounted on the vertical plate, and the problems that normal feeding of the mineral powder materials is hindered due to the fact that the mineral powder materials contain large mineral blocks, and when the mineral powder materials discharged at a time are too many, the mineral powder materials are likely to be accumulated and blocked at a discharging opening, and the discharging efficiency is high are solved. And the blanking efficiency and the subsequent magnetic separation operation process are influenced.

The invention discloses an anaerobic ammonia oxidation sludge reinforced granulation and retention device and method, and belongs to the field of biological denitrification devices. The main body reactor sequentially comprises a sludge collection area, an internal circulation reaction area, a separation precipitation area and a gas collection area from bottom to top, anaerobic ammoxidation sludge is filled in the internal circulation reaction area, and a screen is arranged between the sludge collection area and the internal circulation reaction area. A central partition plate is arranged in the internal circulation reaction area in the axis direction of the main body reactor and divides the internal circulation reaction area into an upper circulation reaction chamber and a lower circulation reaction chamber. A sludge backflow inclined plate structure is arranged between the internal circulation reaction zone and the separation precipitation zone, and the sludge backflow inclined plate structure inclines from the upper circulation reaction chamber to the lower circulation reaction chamber. The sludge collection port of the sludge collection area returns the separated sludge with smaller particle size to the internal circulation reaction area through a pipeline, and the gas collection port of the gas collection area returns produced gas to the internal circulation reaction area through a pipeline. The device is provided with function partitions and an inclined plate structure, sludge backflow and collection are enhanced, and the sludge retention performance is improved.

The invention provides a circumferential-in and circumferential-out radial-flow type superimposed sedimentation tank, and relates to the field of sewage treatment, the circumferential-in and circumferential-out radial-flow type superimposed sedimentation tank comprises a bottom plate and a tank wall arranged above the bottom plate, and the tank wall and the bottom plate form a tank body; an annular table is arranged above the pool wall, a water inlet groove and a water outlet groove are formed in the annular table, the water inlet groove is communicated with a sewage inlet, water distribution holes communicated with the pool body are formed in the bottom of the water inlet groove and are formed in the sewage flowing direction, and a water outlet communicated with the pool body is formed in the bottom of the water outlet groove; a water diversion groove is further formed in the annular table, clean water flows into the water diversion groove from the upper end of the water outlet groove, and the water diversion groove is provided with a clean water outlet. The annular grid device is arranged below the water outlet tank, the grid device and the tank wall are arranged at an interval, so that sewage directly enters the tank body, and the water outlet flow path is prolonged in a peripheral inlet and peripheral outlet manner, so that the retention time of the sewage in the tank body is longer, and floc particles in the sewage can be fully precipitated.

The invention relates to a radiolabeled FAPI complex as well as a preparation method and application thereof, and belongs to the technical field of radiopharmaceutical chemistry and nuclear medicine diagnosis and treatment. The structural general formula of the FAPI capable of being subjected to radionuclide labeling is as follows: # imgabs0 #, wherein R is a nitroimidazole group or-COOH; x is a chelating group or a chelating structure of a chelating radionuclide; l1 and L2 are linking groups; a is a regulating atom of an FAP targeting group, and A is an H atom or an F atom. The synthesis method of the radionuclide labeling precursor is simple and suitable for labeling of various nuclides, the labeling method is convenient and fast, and the radiochemical purity of the label is high, and the stability is good; the radiolabeled FAPI complex shows high affinity and specificity with FAP in cell experiments, shows high tumor uptake and target-to-non-target ratio in tumor-bearing mice, and is a potential FAP targeted radioactive diagnosis and treatment drug.

The present application relates to wastewater aeration technical field, specifically disclose a kind of aeration device for wastewater treatment, including: split piece one, split piece two and driving part, split piece one includes the split net of being able to intercept large bubble, split net is installed in aeration tank, split piece two includes the brush part one and brush part two rotationally connected in aeration tank, driving part is connected on aeration tank, driving part can drive brush part one and brush part two reverse rotation, to split into small bubble with large bubble, brush part one and brush part two are all in contact with split net, to make brush part one and brush part two can exert pressure to the large bubble that split net intercepts, to make large bubble pass through split net and split into small bubble;The aeration device for wastewater treatment of the present application can improve the aeration efficiency of wastewater, while through brush part one, brush part two and split net can extend the residence time of bubble in wastewater, further improve the aeration efficiency of wastewater.

The invention relates to the technical field of polypeptide drugs, in particular to a nanoscale mitochondrial DNA scavenger and application thereof. The polypeptide targeting myocardial cells in the nanoscale mitochondrial DNA scavenger provided by the invention can target the myocardial cells, so that the STING inhibitor is enriched in the myocardial cells; the mtDNA probe can be combined with mtDNA in a targeted manner to form an NS-mtDNA compound; the self-assembly peptide is a convertible self-assembly unit, forms a nano structure, can transport an NS-mtDNA compound to lysosome to promote degradation, can prolong the retention time and stability of the nano-scale mitochondrial DNA scavenger and continuously release an STING inhibitor, the released STING inhibitor can inhibit an STING pathway, and the self-assembly peptide can be used for inhibiting the activity of the nano-scale mitochondrial DNA scavenger, so that the activity of the nano-scale mitochondrial DNA scavenger can be improved, and the activity of the nano-scale mitochondrial DNA scavenger is improved. Therefore, myocarditis or inflammations related to myocarditis are improved, and a new technical support is provided for treatment of myocarditis.

The invention belongs to the technical field of medical materials, and particularly relates to magnetic control nano-enzyme hydrogel as well as a preparation method and application thereof. The FeSr MOF-coated PtNi is coated and modified by using an azide-modified macrophage membrane, the obtained PtNi / MIL-coated Mem has certain targeting property, a bacterial infection part can be recognized and enriched by using signal molecules and antibodies on the surface of the macrophage, the targeting property and the stability of nano-particle delivery are enhanced, the retention time of nano-enzyme after gel forming is longer, and the nano-enzyme is more stable and more stable. The treatment effect is better. The natural immune escape characteristic and biocompatibility of the macrophage membrane are utilized, and the application has remarkable advantages in the aspect of reducing immunological rejection and adverse reaction. In addition, the magnetic control nano-enzyme hydrogel can generate a large amount of ROS under the action of a magnetic field to destroy bacterial biofilms and kill bacteria, and controllable release of ROS is achieved. Meanwhile, Sr < 2 + > is released when the magnetic control nano-enzyme injectable hydrogel is degraded, angiogenesis is promoted, wound repair is promoted, and wound infection can be effectively treated.

The invention relates to the technical field of liquid nitrogen refrigeration, in particular to a liquid nitrogen refrigeration-based ultralow-temperature precise constant-temperature device which comprises a liquid nitrogen tank and a constant-temperature tank, an inner box is arranged in the constant-temperature tank, an outer ring body is arranged on the outer surface of the constant-temperature tank, an air suction assembly is arranged on the outer surface of the outer ring body, and an exhaust assembly is arranged on the outer surface of the constant-temperature tank. A nitrogen tank is arranged at the end, away from the constant-temperature tank, of the exhaust assembly, a butt-joint pipe is arranged between the liquid nitrogen tank and the constant-temperature tank, and a butt-joint assembly is arranged on the outer surface of the butt-joint pipe. Compared with the prior art, the constant-temperature tank and the outer ring body are communicated through the air exhaust assembly, a motor is used for driving a rotary disc to rotate to drive a shifting block to pull a strip-shaped plate to move up and down, the strip-shaped plate drives a first one-way valve to move up and down to extrude or stretch the upper part and the lower part of a corrugated pipe, and the outer ring body is filled with nitrogen in the constant-temperature tank; and the effect of cooling the outer surface of the constant-temperature tank is achieved, the gasification speed of liquid nitrogen is reduced, and the energy-saving effect is achieved.

The utility model discloses a deodorizing nursing pad which sequentially comprises a non-woven fabric surface layer, a water absorbing paper layer, a water absorbing and locking layer, a deodorizing composite layer, a water absorbing paper layer and an anti-seepage bottom film layer from top to bottom. The deodorizing composite layer is adopted in the nursing pad, food-grade essence molecules and sodium bicarbonate are adopted in the deodorizing composite layer, the essence molecules are provided with microcapsule particles, the effect of slowly releasing fragrance can be achieved, the retention time of the fragrance is prolonged, meanwhile, the porous structures of the microcapsule particles can also adsorb odor, and the odor can be effectively removed. Sodium bicarbonate is alkaline and non-irritant after encountering water, can react with both acid and alkali, and can effectively remove part of odor.

The present invention provides an application of fermented Lactobacillus mucilaginosus IOB802 in improving memory, and relates to the field of microorganisms. The bacterial powder of fermented Lactobacillus mucilaginosus IOB802 and its postbiotics significantly increase the acetylcholine level of cognitive impairment mice and reduce the acetylcholinesterase level; and the serum superoxide dismutase is significantly increased, and the malondialdehyde level is significantly reduced. Therefore, the bacterial powder of fermented Lactobacillus mucilaginosus IOB802 and its postbiotics can alleviate the oxidative damage level of mice, thereby alleviating nerve damage, and have the effect of improving memory.

The utility model belongs to the technical field of plant essential oil, and particularly relates to a plant essential oil double-temperature cooling collector which comprises a base, a heating box is fixedly installed at the top of the base, and a heating device is fixedly installed at the bottom of the heating box. Through the arranged cooling assembly, raw materials are placed on the inner side of a heating box, a heating device is controlled to heat the raw materials, steam generated after heating can enter the inner side of the cooling box through a steam flow guide pipe, a first motor is controlled to drive a driving shaft to rotate, the driving shaft drives fan blades to rotate, the steam circulation speed is high, and the cooling efficiency is improved. And the protective cover can protect the first motor, so that the first motor is not prone to being damaged, after steam enters the inner side of the cooling box, a low-temperature water source is heated on the inner side of the cooling box through the water inlet pipe, the heat dissipation spiral pipeline enables the steam to stay on the inner side of the cooling box for a long time, and the cooling effect is good.

The utility model provides a kind of multiple combination sealing type roller chain, belong to roller chain technical field.It includes pin shaft and respectively the outer chain plate of being set in the both ends of pin shaft, bushing is set in pin shaft, bushing both ends are respectively set with inner chain plate, roller is set in bushing, clearance fit is formed with lubricating portion between pin shaft and bushing, oil supply path is equipped in pin shaft with lubricating portion intercommunication, bushing both ends are respectively equipped with combination sealing assembly, combination sealing assembly includes the first sealing structure being arranged between bushing and outer chain plate, second sealing structure is also equipped between outer chain plate and inner chain plate outside the first sealing structure side.Lots of sealing structures form multiple sealing barrier in bushing end portion, ensure that can effectively block particle impurity and seawater penetration, can effectively prolong the retention time of lubricating oil, significantly improve the sealing effect and sealing life of bushing end portion.

The present application relates to a kind of welding rod drying equipment technical field, specifically a kind of equipment for the technical core wire of welding rod is dried using electromagnetic heating, comprising: drying box, be provided with feeding assembly and discharging assembly on drying box, feeding assembly can be input into drying box to welding rod, discharging assembly can be transferred to welding rod in drying box outside drying box;Reciprocal return assembly is also provided in drying box, reciprocal return assembly can be supported welding rod input into drying box by feeding assembly, and drive welding rod to reciprocate in drying box and move, to extend the residence time of welding rod in drying box, in turn improve the drying rate of welding rod;It also includes air-drying component, air-drying component is arranged in drying box, including the blower that is rotatably installed in drying box, blower is connected with feeding assembly by deflection component, when feeding assembly act, deflection component can drive blower to deflect relative to drying box, to accelerate the drying speed of welding rod.

The utility model discloses a double-row angular contact ball bearing which comprises an inner ring, an outer ring and a rolling body, the outer ring is sleeved on the outer side of the inner ring, a rolling space is reserved between the inner ring and the outer ring, baffle pieces are arranged at two ends of the rolling space, and the baffle pieces are used for preventing lubricant from flowing out, so that the retention time of the lubricant between the inner ring and the outer ring is long enough. And the situation that due to the fact that the lubricant runs too fast, a user cannot inject the lubricant in time, and noise is generated during bearing operation is avoided.

The invention relates to the technical field of biomedical materials, and particularly discloses a sodium hyaluronate composite filler for injection as well as a preparation method and application thereof. The composition provided by the invention comprises methoxy polyethylene glycol-poly-L-lactic acid nanoparticles, sodium hyaluronate and a dispersion medium. The composite filler can realize accurate positioning and filling of an injection position, is good in hydrophilicity and high in biocompatibility, can reduce inflammatory reaction after material implantation, can promote collagen regeneration earlier and better, and is safe and effective according to animal experiments.

The invention discloses a semeglutide-containing NPs hydrogel and a preparation method thereof, and relates to the technical field of polymer composites.The semeglutide-containing NPs hydrogel comprises a main drug, polylactic acid nanoparticles, dodecyl modified hydroxypropyl methyl cellulose and PBS; wherein the polylactic acid nanoparticles are prepared by wrapping graphene with polyethylene glycol-polylactic acid, the main drug is semeglutide, and the concentration of the semeglutide in the hydrogel is 2-20 mg / ml. The polylactic acid nano-particles and the dodecyl modified hydroxypropyl methyl cellulose comprise the following components in percentage by weight: 1-2wt% of the dodecyl modified hydroxypropyl methyl cellulose and 10wt% of the polylactic acid nano-particles; the long-term sustained and controlled release effect can be realized; and the degradation speed of the nanoparticles coated with the graphene oxide is inconsistent with that of the nanoparticles not coated with the graphene oxide, so that the release speed of the medicine can be further controlled.

The utility model relates to the technical field of atmospheric desulfurization, and particularly discloses atmospheric desulfurization equipment. The desulfurization device comprises a treatment tank, an exhaust pipe fixedly mounted on the treatment tank, an air suction and supply fan for conveying air to be desulfurized into the treatment tank, a first desulfurization component arranged in the treatment tank, and a baffle fixedly mounted on the treatment tank. According to the atmospheric desulfurization equipment disclosed by the utility model, when air is subjected to desulfurization treatment, as the lower partition plate and the upper partition plate are arranged in an up-and-down staggered manner, air to be treated enters the desulfurization filler to be subjected to falling treatment, the contact time between the air and the desulfurization filler can be prolonged; air flows through an S-shaped channel formed between the second flow guide plate and the two first flow guide plates, so that the air is in multiple contact with the atomized desulfurization liquid, the retention time of the atmosphere in the treatment tank is prolonged, the desulfurization effect is improved, and harmful dust in the air is purified.

The invention discloses a practical index calculation system for a WEB system in an enterprise, and the calculation system comprises a main control terminal which is connected with a data collection module which is used for continuously collecting original behavior data generated in the process that a user browses the WEB system during the operation period of a browser extension program; the recording module is used for recording key behavior frames of a user, meanwhile, a WEB system administrator carries out a series of page element clicking operations on the system in the mode, and software can record a DOM path (xPath) and an id value of each clicked operation element in the WEB system administrator. The satisfaction degree of the user to products or services can be remarkably improved, and then front-side word-of-mouth spreading is promoted; emotional connection between the user and the brand can be established through high-quality user experience, the user is prompted to become a return customer, the long-term loyalty of the user is improved, and a solid foundation is laid for sustainable development of enterprises.

The utility model belongs to the technical field of wastewater and waste gas treatment, and particularly relates to a wastewater zero-emission flue gas treatment device which comprises a primary waste gas treatment assembly, a secondary waste gas treatment assembly is mounted on one side of the primary waste gas treatment assembly, and a connecting assembly is mounted on the other side of the primary waste gas treatment assembly. The first-stage waste gas treatment assembly comprises an adsorption treatment box shell, an activated carbon containing basket is slidably connected to the interior of the adsorption treatment box shell, a first baffle is fixedly connected to the interior of the activated carbon containing basket, and a second baffle is arranged on the side of the first baffle; the activated carbon is used for adsorbing harmful gas in waste gas, the baffle with a guiding function is arranged, so that the retention time of the gas in the activated carbon is prolonged, the adsorption efficiency of the activated carbon is further improved, and the solution is arranged, so that residual hydrogen sulfide and ammonia gas in the waste gas are conveniently removed through chemical reaction.

The application discloses a kind of nanocomposite hydrogel for treating osteoarthritis and its preparation method and application, the nanocomposite hydrogel includes cerium dioxide nanoparticles, the cerium dioxide nanoparticles are modified with hyaluronic acid;Ergothioneine is loaded on hyaluronic acid modified cerium dioxide nanoparticles to form nanocomposite EGT-CeO2@HA;And temperature-sensitive hydrogel carrier, the nanocomposite EGT-CeO2@HA is uniformly dispersed in the temperature-sensitive hydrogel carrier.This composite hydrogel can activate ATF4-dependent pro-survival autophagy pathway, reduce cartilage cell inflammatory damage, and improve cartilage degeneration.

The present application relates to the technical field of water body bacteria inactivation, and particularly relates to a bacteria inactivation method based on micro-nano bubble ozone synergistic reaction, comprising the following steps: mixing and conveying ozone gas dissolved water and initial sewage to a front reactor to output as dissolved air sewage; conveying the dissolved air sewage to a reaction tank; obtaining the pressure of a plurality of pressure sampling positions of a conveying pipeline conveying the dissolved air sewage; determining the merging state of micro-nano bubbles in the conveying pipeline; determining an abnormal area in the merging state of the micro-nano bubbles; determining the bubble merging amount of the abnormal area based on the obtained conveying pipeline pressure of the position where the connecting port is located and the average pressure in the conveying pipeline behind the connecting port; determining the dosing amount of alkaline substances and the replenishment amount of the dissolved air water; and continuously conveying the dissolved air sewage from the front reactor to the reaction tank to complete the bacteria inactivation operation, so that the cavitation effect of ozone micro-nano bubbles is strengthened and the solubility of ozone in water is improved.

The utility model relates to an esterification kettle condenser belongs to the technical field of condensing equipment, including condenser shell, raw material storage tank, the outside of raw material storage tank is equipped with preheating jacket, and the condenser shell includes two end head boards, and the both end head boards are connected with condensing cylinder through flange, and the upper and lower end inner walls of condensing cylinder are fixed with upper hole plate and lower hole plate respectively, and the lower part of upper hole plate is equipped with middle hole plate, and the upper hole plate is equipped with condensing pipe, and condensing pipe is covered with condensing outer sleeve pipe, and the bottom of lower part's end head board is equipped with condensing liquid outlet pipe, and the middle of lower hole plate is equipped with exhaust pipe, and the upper end head board is equipped with cloth gas pipe of connecting exhaust pipe, and the condensing cylinder is equipped with cooling water inlet pipe, and the condensing cylinder below middle hole plate is equipped with cooling water outlet pipe of connecting preheating import. The utility model increases the retention time of steam in the condenser, increases the condensing effect, and the heat recovery use of the heat energy of the cooling water after heat exchange can be carried out through the cooling water outlet pipe and be input into the preheating import of preheating jacket, saves the energy source.

The utility model discloses a cooling device for activated carbon production, and a conveyor belt is driven by a corresponding driving motor to operate so as to convey activated carbon on the conveyor belt. In the activated carbon conveying process, the electric sliding rail can be started to drive the sliding block to move, and then the vertical rod and the mounting plate are matched to drive the scraper to move back and forth in the length direction of the conveying belt, so that activated carbon on the conveying belt is scraped to be flat, and the cooling consistency is ensured. When activated carbon conveyed by the conveying belt reaches the position where the shell is located, the activated carbon can be cooled through the fans in the process that the activated carbon is scraped to be flat back and forth through the scraper, and the cooling effect is improved. Meanwhile, a plurality of staggered guide plates are mounted at the inner bottom of the discharging chute, the activated carbon cooled for the first time can be discharged along the discharging chute under the guiding action of the guide plates, the retention time of the activated carbon on the discharging chute is prolonged, heat in the activated carbon is further dissipated, the activated carbon is cooled at the conveying section and the discharging section at the same time, and the service life of the activated carbon is prolonged. And the cooling effect and efficiency can be improved.

The invention provides a gear slotting tool convenient for chip removal, which relates to the field of slotting tools and comprises a tool rest main body, a slotting tool, a chip removal driving disc, a cooling concentration mechanism and a chip removal driving mechanism, the gear shaping piston rod is slidably connected to the lower portion of the tool rest body. The gear shaping cutter is fixedly connected to the lower end of the gear shaping piston rod; the chip removal driving disc is arranged at the lower end of the periphery of the gear shaping piston rod; the chip removal collecting piece is arranged at the lower end of the inner side of the gear shaping cutter; the driving extrusion part is fixedly connected to the upper end of the chip removal driving disc; the chip removal connecting piece is fixedly connected to the upper end of the chip removal collecting piece; the cooling concentration mechanism is arranged on the outer side of the chip removal driving disc; the chip removal driving mechanism is arranged above the chip removal collecting piece, accumulation of waste chips is avoided, discharging of the waste chips is facilitated, the gear shaping machining precision of a gear is guaranteed, the using effect of a gear shaping cutter is improved, and the problem that the using effect of the gear shaping cutter is affected due to the fact that the waste chips are prone to being accumulated on the gear shaping cutter and the mounting disc is solved.

This invention relates to the field of tobacco processing technology, and particularly to a sweet-scented granular tobacco stem and its processing technology. The processing technology includes the following steps: S1, Preparation of coarse granular tobacco stem: The tobacco stem raw materials are screened by size, washed, stored, pressed, cut once, and cut twice to obtain coarse granular tobacco stem; S2, Popping the stem in a popcorn machine: The coarse granular tobacco stem is fed into a popcorn machine for roasting, kept warm and pressurized, and then quickly depressurized to normal pressure to obtain granular tobacco stem with a uniform microporous structure; sieving; S3, Flavoring the tobacco stem: The sieved granular tobacco stem is fed into a roasting equipment, a natural sweetener is added, and roasting is performed, controlling the moisture content between 12-14%, to obtain the finished sweet-scented granular tobacco stem. The sweet-scented granular tobacco stem obtained by this invention has a regular and uniform shape, rich flavor layers, and a long aroma retention time. The overall quality of the tobacco stem is significantly improved, and it can be effectively applied to cigarette production to enhance the competitiveness of cigarette products.

The scallion planting drip irrigation equipment comprises a water pump with a water inlet portion, a Y-shaped branch pipe is arranged at the front end of the water pump and comprises a main pipe, a first branch pipe and a second branch pipe, and a first drip irrigation pipe and a second drip irrigation pipe are arranged at the front end of the first branch pipe and the front end of the second branch pipe respectively. The middle of the first branch pipe and the middle of the second branch pipe are provided with movable channels connected with the first branch pipe and the second branch pipe in a sealed mode, movable plates are arranged in the movable channels, water blocking structures are arranged on the movable plates, first supporting parts are arranged at the bottom end of the driving assembly, first drip irrigation holes are formed in the first drip irrigation pipe and the second drip irrigation pipe, and bent channels with second drip irrigation holes are arranged in the second drip irrigation pipe. A first water return pipe and a second water return pipe are arranged at the front ends of the first drip irrigation pipe and the second drip irrigation pipe respectively, the first water return pipe is connected to the second water return pipe, and the second water return pipe is connected with the water return end of the water pump. The drip irrigation device has the advantages that the driving assembly is designed to drive the movable plate to move back and forth, so that water flow is switched back and forth in the first branch pipe and the second branch pipe, and different water accumulation prevention drip irrigation purposes are achieved.

According to the technical scheme, the takifugu obscurus feed production and processing treatment device comprises a treatment box, the exterior of the treatment box is fixedly sleeved with a shell, and the exterior of the shell is fixedly sleeved with a bottom plate; the heat pump is fixedly connected to the top of the bottom plate, and a first pipeline is fixedly connected between the heat pump and the shell; the stirring plate is fixedly connected to the inner wall of the treatment box, the four base plates are distributed in a spiral shape, the four base plates are fixedly connected to the inner wall of the treatment box, and spiral blades fixedly connected with the inner wall of the treatment box are fixedly connected to the four base plates. The spiral blades are arranged in the processing box, so that a blocking effect can be achieved when the feed passes through the surfaces of the spiral blades, the feed is prevented from rapidly sliding through the surfaces of the spiral blades, the flowing path of the feed in the processing box is increased, the retention time of the feed in the processing box can be prolonged, and the cooking processing quality is improved. And the cooking time is shortened.

The utility model discloses a building sand screening device which comprises a box body, a material distributing mechanism and a discharging hopper, the box body is provided with an inner cavity, the top of the inner cavity is communicated with a vertically-through feeding pipe, inclined screening plates are symmetrically arranged on the left side and the right side of the lower portion of the feeding pipe in the inner cavity respectively, and vibrators are fixedly arranged at the bottoms of the screening plates. The left side and the right side of the box body are provided with first discharging ports at the bottoms of the sieve plates respectively, baffles are arranged on the side wall of the inner cavity at the first discharging ports in a sliding mode, the material distributing mechanism is arranged below the feeding pipe, the discharging hopper is fixedly arranged below the two sieve plates and the material distributing mechanism, and the bottom of the discharging hopper is provided with an inclined discharging pipe in a communicating mode. And a second discharge hole is formed in the side wall of the box main body and at the bottom of the discharge pipe. Through the arrangement, the retention time of the sand materials on the sieve plate can be prolonged, the situation that the sand materials with small particle sizes cannot penetrate through the sieve plate due to the fact that the retention time of the sand materials on the sieve plate is short is avoided, and the sieving effect is improved.