18results about How to "Suitable for handling" patented technology

The invention discloses a low-cost treatment method for high-manganese-content difficult-to-treat mine acid wastewater, which is implemented by adopting a graded neutralization treatment process and comprises the following steps: regulating the pH value of the wastewater to be 5-6 in a first-stage neutralization reaction, feeding the wastewater into a first-stage flocculation reaction tank, and agglomerating hydroxide particles to form large flocculate; feeding the wastewater subjected to the primary flocculation reaction into a primary sedimentation tank to precipitate sludge in the wastewater, feeding discharged supernate into a secondary neutralization tank, feeding the discharged supernate into a secondary flocculation reaction tank, feeding the wastewater subjected to the secondary flocculation reaction into a secondary sedimentation tank to precipitate sludge in the wastewater, and taking supernate of the secondary sedimentation tank as qualified effluent; the method disclosed by the invention is simple in process, high in heavy metal removal rate, relatively small in agent use amount and small in sludge generation amount, can overcome the defects that manganese in the effluent of the mine acid wastewater is difficult to reach the standard, the effluent needs acid callback, the agent use amount is large and the sludge generation amount is large, and can efficiently ensure that the effluent of a mine acid wastewater treatment facility stably reaches the standard in an energy-saving manner.

The invention discloses a process for treating rural domestic sewage by using an improved A2 / O + MBBR (Moving Bed Biofilm Reactor), and relates to the technical field of sewage treatment. The method comprises the steps of S1, initial-stage treatment, S2, reflux treatment and S3, tail-stage treatment. The rural domestic sewage is treated by an improved A2 / O + MBBR nitrogen and phosphorus removal process, and the rural domestic sewage is distributed into each tank by adopting a sectional water inlet technology, so that an alternate multi-stage facultative / aerobic environment is formed, and the biological nitrogen and phosphorus removal effect is enhanced; the improved A2 / O + MBBR process has the advantages of high nitrogen and phosphorus removal effect, low investment and operation cost, convenience in operation and management and the like; all returned sludge enters the pre-denitration tank and enters the front-section anaerobic tank and the front-section anoxic tank, a sludge concentration gradient from high to low is formed in each tank, and the average sludge concentration in each tank is increased and the hydraulic load of the sedimentation tank is not changed under the condition that the effluent sludge concentration is not increased, so that the proliferation speed of phosphorus-accumulating bacteria and nitrifying bacteria is accelerated; the proportion in the total amount of the activated sludge is increased, so that the nitrogen and phosphorus removal effect is improved.

The invention discloses an electric power image target detection method and system based on feature fusion and attention. The method comprises the following steps: carrying out basic information setting on edge equipment; performing image acquisition on the to-be-detected power equipment, and preprocessing the acquired image by the edge equipment; the edge device performs defect detection by using a preset target detection model based on feature fusion and attention; and judging whether data acquisition is completed or not, if so, generating defect detection result statistical information of the to-be-detected power equipment, all defect categories and positions which can be identified by the model and the number of defects detected by each category, and otherwise, returning. According to the invention, the appropriate feature map is selected according to the clustering result, and then the combination of the four designed feature fusion modules is utilized to carry out adaptive feature fusion, so that the detection performance on the electric power data set with large target size difference is improved.

The invention provides a shared self-service whole wheat flour milling system which comprises a shell, a wheat receiver, a wheat washer, a wheat wetting bin and a whole grain grinding miller, the wheat receiver, the wheat washer, the wheat wetting bin and the whole grain grinding miller are arranged in the shell, and the shared self-service whole wheat flour milling system comprises the wheat receiver, a weighing device and a cleaning and packaging supporting part for providing support for the whole grain grinding miller. After the wheat receiver receives wheat or other raw materials, the wheat or other raw materials are weighed in a self-service mode and transmitted to the central control system to be displayed as gross weight, then the wheat or other raw materials enter the wheat washing device to be washed, dedusted and purified and then weighed again, and the weighing data are transmitted to the central control system to be displayed as net weight. The cleaned wheat or other raw materials enter the corresponding wheat wetting bins according to flour types selected by a user and working parameters, the wheat or other raw materials are automatically sucked into the whole-grain grinding machine for whole-grain grinding after preset wheat wetting time is up, the whole-grain grinding machine automatically selects a flour grinding program according to the sucked wheat wetting bin number, flour of the corresponding types is produced and then enters the packaging system, and the packaging system is used for packaging the wheat or other raw materials. And packaging and sealing, and printing traceability information such as production date, batch number, bar code and the like. And the user picks up the goods according to the receipt information on the next day and scans a code or swipes a membership card to pay or deduct the fee. The system has the advantages of whole-course self-service sharing, no personnel intervention in the process, cleanness, sanitation, environmental protection and health, and is suitable for community and rural delivery.

The utility model discloses a carbon dioxide gas field sewage treatment device which comprises a three-phase separator, a sewage buried tank is arranged at the downstream of the three-phase separator, a first electric ball valve is arranged at the downstream of the sewage buried tank, a first combined pool is arranged at the downstream of the first electric ball valve, and a second combined pool is arranged at the downstream of the second electric ball valve. The first combined tank comprises a water collecting tank, an adjusting tank and a sludge tank, the downstream of the first combined tank is provided with a second combined tank, the second combined tank comprises a first settling tank and a homogenizing tank, the downstream of the second combined tank is provided with a third combined tank, and the third combined tank comprises a second settling tank and a homogenizing tank. The third combined tank comprises a hydrolysis tank, an aerobic tank, a second sedimentation tank and a coagulative precipitation tank, and a first dosing device, a blast unit and a buffer unit are arranged at the downstream of the third combined tank. The carbon dioxide gas field sewage treatment device combines physical treatment and chemical treatment, effectively treats sewage and sludge, and is high in efficiency, especially suitable for oil field sewage treatment and high in practicability.

The utility model relates to the technical field of batteries, and discloses a diaphragm traction device and a pole core preparation system. Wherein the diaphragm traction device comprises a traction mechanism and an opening mechanism, the traction mechanism is suitable for moving in the length direction of the stacking table, and two sets of traction clamps are fixedly arranged on the rack in a back-to-back mode; driving parts are respectively arranged on the two groups of opening mechanisms, the traction mechanism is switched between the two groups of opening mechanisms, one group of traction clamps is suitable for keeping a clamping state to clamp a diaphragm to move to a diaphragm releasing position on the other side after the diaphragm is fed from a diaphragm feeding position on the side, and the driving parts drive the opening mechanisms to press the traction clamps downwards to be in an opening state to release the diaphragm; the other group of traction clamps is suitable for moving to the membrane releasing position on the other side from the membrane feeding position on the side where the traction clamps are located to the membrane releasing position on the other side after the membrane feeding position on the side where the traction clamps are located is fed, and the driving piece drives the stretching mechanisms to press the traction clamps downwards to the stretching state to release the membrane. The overall efficiency is improved.

The utility model discloses a movable bearing acoustic detection device. The detection device comprises a box body, a data processing structure and a collector, trundles are arranged at the bottom of the box body, and a detachable box cover is arranged on the side face or the top of the box body. The data processing structure comprises an amplifier, an acquisition board and an industrial personal computer, and is integrated and fixed in the box body; the collector is detachably arranged in the box body, is separated from the box body and is taken out during detection, and the collector is electrically connected with the amplifier, the collection plate and the industrial personal computer in sequence. The utility model has the advantages of safety, durability, convenience in operation, flexibility and portability, breaks through the limitation of the original fixing equipment, and is suitable for various environments and occasions.

The invention provides a refined reduction method for quantizing a sensor value. The method comprises the following steps: S1, cleaning sensor data; s2, performing integer processing on the sensor data according to the precision of the sensor to obtain processed data; s3, restoring the processed data into a numerical value according to normal distribution, dynamically adjusting a normal distribution mean value of each point, and dynamically adjusting a normal distribution standard deviation value of each point; and S4, performing integer reduction on all the numerical values to obtain reduced sensor data. According to the invention, through linkage adjustment of adjacent data, discrete jump caused by integers is reduced, and the method is more suitable for time sequence analysis or signal processing. Through linkage adjustment of adjacent data, discrete jump caused by integers is reduced, and the method is more suitable for time sequence analysis or signal processing.

The application discloses a method for modifying a hyaluronic acid grafted polyamide membrane against pollution by a thermal method and application thereof, and relates to a method for modifying a polyamide membrane against pollution and application thereof. In order to solve the problem of poor anti-pollution performance of the existing polyamide membrane, the application uses hyaluronic acid for surface grafting modification of the polyamide membrane. Due to the super-hydrophilic property of the hyaluronic acid, a hydration layer is formed on the surface of the modified polyamide membrane, effectively hinders the adhesion of pollutants, and meanwhile, part of the short chains of the hyaluronic acid can promote the desorption of the membrane surface pollutants while being hydrolyzed, so that the flux recovery rate of the membrane is improved, and the operation cost is reduced. Compared with the traditional polyamide membrane or other modification methods, the anti-pollution performance of the hyaluronic acid modified polyamide membrane is significantly improved, and the anti-pollution efficiency is excellent in the treatment of shale oil fracturing flowback wastewater. The application belongs to the technical field of water treatment membrane preparation.

The present application belongs to the technical field of oil and gas exploration seismic data interpretation. The present application discloses a method and device for identifying faults based on differential cepstrum. The method performs differential cepstrum processing on seismic data of a target layer section, extracts first-order differential cepstrum coefficients of the differential cepstrum, sets a processing factor to calculate eigenvalues of a covariance matrix of the first-order coefficient data body of the differential cepstrum, and generates a high-resolution fault information data body. The differential cepstrum operation adopted by the method strengthens the weak information singularity feature, can identify small faults, and is beneficial to improving the accuracy and precision of fault identification of seismic data. The device for identifying faults based on differential cepstrum provided by the present application comprises a Fourier transform spectrum generator, a logarithmic spectrum generator, a Fourier inverse transform processor, a differential cepstrum first-order coefficient data body generator, and a fault data generator. The device realizes the method for identifying faults based on differential cepstrum.

The invention discloses a pretreatment method of a nitrate nitrogen stable isotope sample, and belongs to the technical field of environmental science, agriculture and chemical analysis. The pretreatment method of the nitrate nitrogen stable isotope sample comprises the following steps: adding an excessive stannous chloride hydrochloric acid aqueous solution into a nitrate-containing water sample to reduce nitrate in the water sample into nitrite, and continuously adding excessive metal zinc to reduce the nitrite into N2O to obtain a nitrate nitrogen stable isotope sample to be detected. The pretreatment method of the nitrate nitrogen stable isotope sample provided by the invention is efficient, simple, convenient and accurate. And determining the nitrogen isotope ratio of the treated N2O by using a stable isotope ratio mass spectrometer which only responds to the N2O, and deducing the composition of the nitrogen isotope in the nitrate sample.

The present application belongs to the field of oil and gas exploration geophysics. The present application discloses a kind of coal seam strong amplitude suppression method in cepstrum domain. The method is converted to cepstrum domain by using the method of cepstrum analysis to seismic data, extracts second-order cepstrum coefficient, obtains second-order cepstrum coefficient data body, and then determines the maximum value in maximum value sequence as a mark point, combined with coal seam adaptive strong amplitude suppression of suppression factor setting. The present application provides a kind of coal seam strong amplitude suppression method in cepstrum domain, uses cepstrum operation to convert seismic data to cepstrum domain, which is beneficial to highlight weak information components, and uses second-order cepstrum coefficient to automatically detect the range of coal seam strong amplitude, which avoids the difficulties such as detecting coal seam thickness and estimating coal seam frequency in traditional coal seam strong amplitude suppression method. The present application provides a kind of device for coal seam strong amplitude suppression in cepstrum domain, including cepstrum processor, second-order cepstrum coefficient data body generator and coal seam suppression data generator. The method of coal seam strong amplitude suppression in cepstrum domain is realized.

The invention discloses treatment equipment and process applied to chemical high-nitrogen-content wastewater, the treatment equipment comprises a pretreatment system, a chemical treatment system is arranged on one side of the pretreatment system, and a deep treatment system is arranged on the front side of a biological treatment system. According to the method, a biological treatment technology and a chemical oxidation technology are combined, and most biodegradable organic matters are removed in the early stage by utilizing the efficient degradation capability of the biological treatment technology; for wastewater simultaneously containing high-concentration and refractory organic substances, the biodegradability of the wastewater is improved, the organic substances are eliminated, the COD (Chemical Oxygen Demand) concentration is reduced, competition with biological denitrification obligate bacteria is avoided, and the normal denitrification reaction process is inhibited through an efficient anaerobic means assisted by technologies such as chemical oxidation and the like. For wastewater with relatively high ammonia nitrogen concentration, the biochemical combination method not only can realize the ammonia nitrogen removal rate up to 98%, but also can obviously reduce the COD (Chemical Oxygen Demand) concentration in the wastewater, thereby achieving the targets of efficient deamination and pollution emission reduction.

The utility model discloses dust removal equipment for workshops, which relates to the technical field of dust removal equipment and comprises a first purification barrel, a second purification barrel and a third purification barrel, the first purification barrel is fixed at the top of the second purification barrel, and the second purification barrel is fixed on the side of the third purification barrel; a draught fan is fixed to the top of the first purification barrel, a dust collection cover is fixed to the inlet end of the draught fan, a dust concentration sensor and a temperature sensor are installed in the dust collection cover, and the outlet end of the draught fan is inserted into the first purification barrel. The first purification barrel, the second purification barrel and the third purification barrel are arranged, the three measures interact, the dust removal effect is better, the dust concentration sensor, the temperature sensor, the first differential pressure sensor, the second differential pressure sensor and the warning lamp are arranged, so that the dust removal equipment has the dust explosion early warning function, and the dust removal efficiency is improved. The problems that existing dust removal equipment is low in safety and not suitable for workshop dust treatment are solved.

The invention discloses a diversity recommendation optimization method fusing inventory information. The diversity recommendation optimization method comprises the following steps: 1, constructing a data set of users and commodities; 2, constructing a matrix decomposition model; 3, constructing a utility maximization function; embedding commodity inventory constraints and commodity type constraints to optimize recommendation results; 4, a heuristic algorithm is adopted to solve the predicted score of the user for the commodity, and a final recommendation result is obtained. According to the method, the commodity recommendation model based on matrix decomposition is adopted, the inventory information of the commodities is fused, and the situation that the recommendation system recommends out-of-stock products is reduced, so that the recommendation fairness of the system and the satisfaction degree of the user to the platform can be improved.

The invention discloses a polymer biological blocking remover and application thereof, and belongs to chemicals for oil fields. The polymer biological blocking remover is prepared from the following components in parts by weight: 0.1-5 parts of an organic acid coupling agent, 1-20 parts of a biocatalyst, 0.5-5 parts of an inducer, 0.01-5 parts of a bioactive aid and 65-98.39 parts of water. The gel breaker can rapidly degrade HPAM and related gel in a low-temperature environment of 50 DEG C or below, is high in gel breaking speed and small in dosage, and is suitable for oilfield sewage treatment and oily sludge treatment; the blocking remover does not contain dangerous components such as a strong oxidant and chlorobenzene, so that potential safety hazards such as fire, explosion, corrosion and highly toxic gas possibly caused by an oxidized blocking remover are avoided, and the blocking remover is safer and more environment-friendly; polymers are directly degraded through chemical action, and water-insoluble by-products are not generated like an oxidized blocking remover, so that secondary blocking of a stratum is effectively prevented; the product is good in stability, easy to store and transport, simple in field operation, simple in construction and suitable for large-scale application; the device is wider in applicable temperature range, lower in cost, higher in economic benefit and more beneficial to popularization and application.

The utility model discloses a copper wire pretreatment device, and relates to the technical field of copper wire machining, the copper wire pretreatment device comprises a base body and an inner container, the base body is provided with a containing cavity with an opening in the upper end, and the containing cavity is used for containing a pickling solution; the inner container is provided with an upper end and a lower end which are opposite to each other, the inner container is arranged on the base main body, the lower end of the inner container extends into the accommodating cavity from the opening, the interior of the inner container is communicated with the accommodating cavity, the upper end of the inner container is provided with a fixing piece for fixing a copper wire to be processed, and the lower end of the inner container is provided with a clamping piece. A copper wire to be treated extends from the upper end of the inner container to the lower end of the inner container and is in contact with the pickling solution in the accommodating cavity. Through the arrangement of the inner container, a to-be-treated copper wire can be conveniently placed in the base body containing a pickling solution, pickling treatment of the to-be-treated copper wire is achieved, the to-be-treated copper wire subjected to pickling treatment can be conveniently taken away from the base body, the risk that an operator makes contact with the pickling solution is effectively reduced, and operation safety is improved.

This invention discloses a drawer-type ceramic membrane rainwater treatment device and method. The device includes an inlet pipe, a membrane tank, separation baskets, packing material, an outlet pipe, and a ceramic membrane. Multiple sets of parallel separation baskets are vertically arranged within the membrane tank. Each separation basket contains a ceramic membrane, and the outer side of the baskets is filled with packing material. The packing material creates an anoxic environment through stacking to enhance denitrification. The packing material and the ceramic membrane together form a packing-membrane composite zone within the membrane tank. The outlet of the inlet pipe is located above the packing material, and the outlet pipe is connected to the product water zone of the ceramic membrane. The treatment method involves rainwater entering the membrane tank through the inlet pipe, undergoing anoxic biological pretreatment for efficient nitrogen and phosphorus removal and pre-filtration, followed by deep filtration through the ceramic membrane, and then being discharged through the outlet pipe under gravity. This invention's treatment device features low energy consumption, outstanding denitrification effect, minimal membrane fouling, and easy disassembly and replacement of the ceramic membrane, making it suitable for urban rainwater purification and resource utilization.