68results about How to "Easy to control manually" patented technology

The invention discloses a pond ecology-based industrialized circulating water culture and purification system. The system divides a pond into a culture area, a primary biological purification area, a biological wetland purification area, an ecological purification corridor, an ecological oxidation pond and a buffer area, wherein the culture area comprises a plurality of cuboid water tanks which are longitudinally arranged side by side; the buffer area is positioned at the water inlet end of the culture area; the primary biological purification area is positioned at the water outlet end of the culture area; the primary biological purification area communicates with the biological wetland purification area through a first ditch; the biological wetland purification area and the ecological purification corridor are separated by a fishing net; the ecological purification corridor communicates with the ecological oxidation pond through a second ditch; a water pump is mounted at the junction of the ecological purification corridor area and the ecological oxidation pond; the ecological oxidation pond is positioned at the left side of the culture area and is separated from the culture area and the primary biological purification area; and the ecological oxidation pond is separated from the buffer area by the fishing net. The system disclosed by the invention realizes a centralized high-input, high-yield and short-period efficient culture mode; and pond ecology-based purification is performed on tail water of culture, thereby ensuring zero discharge throughout the whole process.

The invention discloses a method for rapidly identifying and screening anti-blight banana seedling. The method comprises the steps of establishment of banana seedling hydroponic system, inoculum preparation and inoculation, daily management of banana seedling, disease situation investigation and grading. Banana seedling stage inoculation and hydroponic identification method can effectively control interference due to differences in soil structure, nutrition, microorganism, etc., during banana seedling stage inoculation identification process, rapidly and accurately identify anti-blight bananaseedling, continuously identify large amount of tissue-cultured banana seedlings in small area, perform multiple times of identification in one year, improve test result reliability, shorten identification period, and save land occupation and test cost.

The invention relates to engineering-fly biological high-protein flour where the protein for human beings to east is extracted from natural resources, breeding adult flies, breeding commercial maggots and maggot breeds, separating commercial maggots, maggots breeds and feed, and then processing the commercial maggots to make it. The breeding method is simple, the breeding rate is high, the cost is low, and it is clean and healthy, and easy to implement batch-type production. The obtained product has rich nutrition, and completely and balancedly contains fat, amino acid, vitamin and mineral elements all necessary to human body.

The present invention discloses a monitoring method of optical filter film thickness. Said method includes the following steps: firstly, calculating spectral curve of every monitoring film using central wavelength lambda O as monitoring wavelength; calculating series spectral curve using out-of-centre wavelength as monitoring wavelength; then using conventional extreme indirect monitoring method to plate optical film on substrate; testing the spectral curve of plated filter; comparing the tested spectral curve with analogously-calculated spectral curves to find out most similar spectral curve in the calculated spectral curves, regulating monitoring wavelength and preparing new filter again, repeating the above-mentioned steps until the waveform and transmittance or reflectance indexes spectral curve of filter are reached to indexes of designed requirements.

The invention discloses a method for extracting radix saussureae lappae essential oil by supercritical carbon dioxide, comprising the following steps of: firstly, freezing and drying radix saussureae lappae until the weight percentage of water is less than 10%; slicing and crushing to obtain radix saussureae lappae powder; and extracting the radix saussureae lappae powder for 30-240 minutes under the conditions that the temperature is 40-55 DEG C, the extraction pressure is 10-30 MPa and the CO2 flow is 5-25 L/h to obtain the radix saussureae lappae essential oil. By adopting the method for extracting the radix saussureae lappae essential oil, the extraction efficiency is high, the heat decomposition of essential oil components is not caused and the yield is higher than 6.04%. Compared with the traditional method, the method has the advantages that the production efficiency is greatly improved, the production period is shortened, the product yield is high and the economic benefit is obvious; and no environmental pollution is caused and the method is convenient for manual control and industrial production.

The invention discloses a rice-fish-shrimp circular planting and breeding system. A pond is divided by the system into a culture zone, a smooth water zone, a field board and an open water buffer zone,wherein the culture zone comprises a plurality of longitudinally parallel culture water tanks, the smooth water zone is located at a water outlet end of the culture zone, and the pond bottom of the smooth water zone is lower than the bottom of the culture zone; the open water buffer zone is located at a water inlet end of the culture zone, and the pond bottom of the open water buffer zone is lower than the bottom of the culture zone; the field board is U-shaped surrounding the culture zone, the smooth water zone and the open water buffer zone, and a circular ditch is dug on the edge of a field parcel along the pond bank; a first water isolation belt is arranged to divide the field parcel into a rice-shrimp planting and breeding zone and an ecological purification zone; a second water isolation belt is arranged from the water inlet end of the culture zone far away from the bank end of the pond in the water flow direction to enable water to flow circularly in an O shape along the culture zone, the smooth water zone, the rice-shrimp planting and breeding zone, the ecological purification zone and the open water buffer zone. The problems about treatment of high-density culture waste and fertilization of a comprehensive rice field planting and breeding system are solved, and efficient utilization of system resources and zero emission of tail water and waste are realized.

The invention relates to the technical field of gastrodia elata planting, in particular to a gastrodia elata planting and cultivating method. Rolled rods are prepared from corn paste, and the corn paste is made to be capable of serving as a gastrodia elata culture material; by adding rice bran and/or rice hull, particle matter and ingredients which are difficult to be combined with the corn paste are generated in the corn paste, therefore, the air permeability of a jelly material prepared from the corn paste is good, the formation rate of gastrodia elata protocorms is increased, the contact rate of the protocorms and armillaria mellea is increased, sufficient nutrition supply is guaranteed, and the yield is increased.

The invention relates to the technical field of skin anastomats, and discloses a skin anastomat with a differential structure. The anastomatcomprises a shell; a movable handle is arranged in the shell, a nail bin shell is arranged on the lower surface of the shell, a nail pushing piece is arranged in the nail bin shell, and a first rotating shaft is arranged in the nail pushing piece in a penetrating manner; one end of the first rotating shaft is rotationally arranged on the inner wall of the nail bin shell, a gear is fixedly arranged at the end, close to the contact portion of the nail bin shell, of the first rotating shaft, spiral teeth are arranged above the gear and matched with the gear, the spiral teeth are fixedly arranged on the outer surface of the second rotating shaft, and the second rotating shaft penetrates through the two sides of the nail bin shell; a second bearing is rotationally connected to the position, corresponding to the nail bin shell, of the second rotating shaft, the second bearing is arranged on the two sides of the nail bin shell in a penetrating mode, a handle is fixedly arranged at the end of the second rotating shaft, the anastomat can clamp a wound before suturing, and convenience is brought to follow-up suturing.

The invention discloses a farm system for implementing an organic pig improvement technology. The farm system comprises a pigpen and an intelligent management system connected with the pigpen, wherein the intelligent management system is internally provided with a power supply system, a dsp processor, a human-computer interaction platform, an analog-to-digital conversion circuit, a digital-to-analogue conversion circuit and a plc control circuit, the power supply system is connected with electricity utilization equipment in the pigpen and the dsp processor, the dsp processor is connected with the analog-to-digital conversion circuit and the digital-to-analogue conversion circuit, and the plc control circuit and the analog-to-digital conversion circuit are connected with the electricity utilization equipment. The intelligent control system is designed based on a digital signal processing technology and an embedded control technology, and is used for performing information acquisition and management control on the electricity utilization equipment in the farm system intelligently, so that the farm system is in a set optimal breeding environment, the desired breeding environment is provided for the improvement of organic pigs, and the whole system has the advantages of scientific design, reasonable use, low using cost, real-time controllability and the like.

The invention provides a process for preparing zinc sulfate and the process is simple in step, low in energy consumption, high in production efficiency and high in product purity. The process comprises the following steps: putting secondary zinc oxide and zinc oxide in waste residues produced in zinc preparation in a raw material tank filled with dilute sulfuric acid, reacting to generate a zinc sulfate solution, guiding the zinc sulfate solution into a reaction tank, removing impurities such as iron, cobalt and copper in the reaction tank, filtering the impurities through a filtering machine, guiding the zinc sulfate solution into a storage tank for precipitation, evaporating the zinc sulfate solution in an evaporator to obtain a concentrated solution, crystallizing in a crystallizing tank, carrying out crystal separation in a centrifugal machine, cooling to obtain zinc sulfate containing crystal water and drying in a dryer to obtain the zinc sulfate. According to the process, the zinc sulfate solution is concentrated in the way of pouring hot oil and circularly heating, so that the heating temperature is higher, the heating material can be recycled, the energy consumption is little and the cost is reduced. The process for preparing the zinc sulfate is simple and clear in processing step, energy-saving, friendly to the environment and convenient to operate.

The invention relates to a device system for recovering nitric acid through nitrate thermal decomposition and a using method thereof. The device system comprises a heating melting tank, a pyrolyzing furnace, an atomizer, a dust collector, a fan, a tail gas heat exchanger and a nitric acid absorption device, the heating melting tank is used for heating and melting nitrate to obtain nitrate hot fluid; the pyrolyzing furnace is used for decomposing the nitrate hot fluid from the heating melting tank; in mixed gas through decomposing, dust entrained in the mixed gas is separated, cooling and conveying into the nitric acid absorption device are carried out; wherein the pyrolyzing furnace is divided into an inner shell and an outer shell, and the inner shell is adopted to form a decomposition channel of the pyrolyzing furnace; a heating body is arranged between the inner shell and the outer shell and is a resistance wire or a microwave magnetron or a radiation heating pipe. By means of the device system, the heating cost can be effectively reduced, meanwhile, the whole process of recovering nitric acid through thermal decomposition is simplified, controllability is high, and meanwhile the prepared metal oxide is uniform in particle size.

The invention relates to the technical field of intelligent home control, in particular to an intelligent control system of a building suspended sash window. The intelligent control system is providedwith an information collection unit, a wireless transmitting unit, a wireless receiving unit, a control unit, an actuation unit, a key triggering unit and a display unit. By collecting indoor and outdoor environment signals, and indoor and outdoor personal activity signals, controlling the opening and closing of a suspended sash window, switching a manual mode and an intelligent mode and switching three working modes, i.e. a timing ventilation mode, a regular ventilation mode and an automatic ventilation mode, the indoor environment quality can be regulated and controlled and can also be remotely controlled by virtue of a remote data transmitting unit in case of personnel going out or negligence, thereby achieving a purpose of ensuring the indoor safety.

The dry farming seed coating agent relates to a non-engineering anti-drought product, in particular to a seed treatment agent. The present invention is composed of the following components according to the ratio by weight percentage: 71-78 superabsorbents made of acrylamide and sodium acrylate, 15-21.71 nutrients, 0.3-0.6 plant growth regulators, and 1.0-1.0 bactericides 3.0, insecticide 4.0 ~ 10.0. The feature of the invention is a novel seed coating agent mainly composed of a super water-absorbing agent, which has the functions of water absorption, water retention, fertilizer retention, wilting resistance, sand fixation, sterilization and strong rooting. The early cropping seed coating agent of the present invention contains nitrogen, phosphorus, potassium, calcium, magnesium, iron, boron, manganese, zinc, copper, molybdenum and other complete nutrients, and the ratio of each nutritional element is optimized by isotope tracer technology. The optimal ratio, scientific composition; the seed coating contains plant growth regulators, and the optimized combination of these ingredients can stimulate plant rooting and improve drought resistance; the fungicides and insecticides in the seed coating have fungicidal and disease resistance and Insecticidal effect.

The invention discloses a CCD automatic adjusting mechanism which comprises a main body portion and a control unit. A supporting base plate is positioned on the bottom position, and two main columns are symmetrically arranged on the center of the supporting base plate. A hydraulic adjusting column is installed on the inner side of each main column, a floating plate is fixed on the upper end of each hydraulic adjusting column, and the main columns pass through the floating plate and are connected with the hydraulic adjusting columns. A protective cover is installed on the lower center of the floating plate, and two signal emitters and signal receivers are provided. The signal emitters are respectively installed on the two sides of the bottom of the connection board, the signal receivers are connected with a controller through leads, and the controller is connected with the hydraulic adjusting columns through leads. Compared with the prior art, the CCD automatic adjusting mechanism solves uneven spacing by adding signal receivers and signal emitters. The distance is adjusted automatically, and the hydraulic adjusting columns solve the instability during an adjusting process.

The invention provides an intelligent lifting type flood control water retaining device for a fan pavilion and a control method. The device comprises a baffle assembly, a shell, a lifting assembly, a field monitoring system and an electrical control unit, wherein the baffle assembly is matched with the fan pavilion in shape; a sealing rubber strip is arranged on the periphery of the bottom of a baffle; the shell contains the lifting assembly and the baffle assembly and covers a foundation of a fan pavilion opening; a lifting opening is formed in the top of the shell; the sealing rubber strip seals the lifting opening when the baffle ascends; the lifting assembly comprises a linkage lifting mechanism and a motor; the field monitoring system comprises a water level gauge and a position sensor and collects information; and the electrical control unit receives the information and drives the linkage lifting mechanism to ascend and descend by controlling the motor to rotate forwards and backwards, and the baffle is made to stretch out and retract. The lifting mechanism is automatically controlled to drive the baffle to ascend and descend, the flood control capacity of the fan pavilion during rainstorm is improved, a station is prevented from being flooded, and the operation safety of a subway is ensured; and the automation degree is improved, the speed is high, and efficiency is high.

The invention provides a tunnel automatic maintenance multi-arm robot and a control method thereof. The tunnel automatic maintenance multi-arm robot comprises a walking mechanism, a fixed base plate arranged on the walking mechanism, a plurality of multi-degree-of-freedom mechanical arms arranged on the fixed base plate and a main control platform. Image detection devices and maintenance tool fixing grooves are formed in the tail ends of the multi-degree-of-freedom mechanical arms in a carrying mode, and the main control platform is correspondingly in communication connection with the multi-degree-of-freedom mechanical arms, the image detection devices and maintenance tools arranged in the maintenance tool fixing grooves. By arranging the multiple multi-degree-of-freedom mechanical arms, multi-directional simultaneous operation of the robot can be achieved, and the maintenance efficiency of tunnel maintenance equipment is improved. Big data processing and machine learning algorithms are adopted, automatic task planning and mechanical arm track planning are achieved, and the functions of automatic tunnel detection and maintenance can be intelligently achieved.