48results about How to "Realize automatic ratio" patented technology

The embodiment of the invention discloses an artificial stone production system, comprising a stirring device, a material distributing machine, a vibrating device and a pressurizing device, wherein the stirring device is used for evenly mixing raw materials; the material distributing machine is used for distributing the materials according to artificial stone textures; the vibrating device is used for vibrating the distributed materials; the pressurizing device is used for pressing the vibrated materials to form a green body; the stirring device, the material distributing machine, the vibrating machine and the pressurizing device are sequentially connected with one another through a conveyer. The artificial stone production system is applied to the field of artificial stone production; the productive task can be finished according to presetting; particularly, high-quality and high-fidelity simulation artificial stone can be prepared; automatic control can be achieved; the artificial stone production system has the characteristics of being high in production efficiency and high in product percent of pass.

The invention discloses an automatic crude oil blending controlling method, which can automatically compensate the accumulated flow deviation of the last control period in the current control period and realize rolling correction of the flow deviation. When the pressure of a random blending line is greater than a safety value, a system can automatically increase the opening of a blending line reflux valve and pop up an alarm prompt; and when the opening of the reflux valve is greater than a certain value and the pressure is still greater than the safety value, the system automatically pops up a pump stopping prompt, so that safe operation of the system is ensured. When the opening of a certain blending line adjusting valve is greater than a certain value and the flow still cannot reach a set value, the system can automatically reduce the set flow of other blending lines, so that unchangeable flow ratio is ensured, and synchronous flow control is realized. By accurately controlling the flow of each crude oil blending line, crude oil meeting the property requirement is provided for a normal pressure reducing device, damage to a processing device due to the property fluctuation of the crude oil is avoided, and the production efficiency is improved.

The present invention relates to method and device of adding other liquid into water by means of water flow pressure, rather than gravity in traditional technology. The present invention adopts solution pump to add solution from some container into water. The intake water flow drives the wavy wheel, the wavy wheel shaft drives the solution pump, and the solution flows out from the container via negative pressure, which is produced by the intake water pressure to drive the elastic limiting partitioning plate so as to expand the volume of the buffering container. The present invention is suitable for adding detergent liquid and similar liquid into water during bathing, washing hand, washing tableware, washing clothing, cleaning toilet, etc.

The invention provides a sludge solidification processing system, which comprises a sludge collecting bin, a firming agent supply equipment, a mixer and a material discharging bin; a discharge end of the sludge collecting bin and a discharge end of discharge end of the firming agent supply equipment are connected with a feeding end of the mixer by a conveying equipment I, and the discharge end of the mixer is connected with a feeding end of the discharging bin by a conveying equipment II. The invention has the advantages of smooth feeding, uniformly stirring, good solidification effect, high output and energy efficiency, and low operation cost.

The invention discloses a vertical shaft planetary vibration type concrete mixer. Two mixing driving motors and a vibration driving motor are arranged on a mixing cylinder body, the mixing driving motors and the vibration driving motor are connected with a mixing device and a vibration exciter arranged in the mixing cylinder body through transmission devices respectively, the vibration driving motor is arranged between the two mixing driving motors, the mixing device rotates around the geometric center of the mixing cylinder body in the mixing cylinder body to mix concrete in a revolution rotation mode, the vibration exciter is in meshing connection with a sun wheel arranged on the vibration driving motor through a vibration exciter power transmission planetary wheel, strong vibration energy is transmitted into the concrete during revolution rotation, wear-resistant lining plates are arranged at the inner wall and the bottom of the mixing cylinder body, a discharging device is arrangedat the bottom of the mixing cylinder body, and the discharging device is connected with a hydraulic system and an electric system which are arranged outside the mixing cylinder body. The mixer is simple in structure, a gear ring required by a traditional planetary gear train does not need to be arranged, and a speed reduction mechanism is greatly simplified.

The invention discloses a device for preparing emulsified liquid. A mixer and a concentration sensor are arranged in a liquid preparing tank; the mixer comprises a liquid inlet and a liquid outlet; a mixing chamber is formed between the liquid inlet and the liquid outlet; the liquid inlet comprises a water inlet and an oil inlet located on the two sides of the mixer; the water inlet is communicated with an external water source through a water feeding pipe; a solenoid valve and a water gauge are arranged on the water feeding pipe; the oil inlet is connected with an oil storage box through an oil feeding pipe; a gear oil pump is arranged on the oil feeding pipe; the concentration sensor, the solenoid valve, the water gauge and a frequency converter are all connected with a controller; the controller is used for controlling the opening of the solenoid valve according to the detection signals of the concentration sensor and the water gauge and controlling the frequency converter to adjust the rotating speed of a motor of the gear oil pump. The device for preparing emulsified liquid, provided by the invention, can promote the liquid supply quality of the emulsified liquid, can increase the liquid preparing efficiency, can guarantee the excellent running of a supporting device of a working surface and has practical significance in safe and efficient production of the working surface.

The invention discloses novel pediatric medical instrument brushing equipment. The novel pediatric medical instrument brushing equipment structurally comprises a brushing device, handles, movable wheels, heat-dissipation openings, cover plates, a displayer, a control panel, a machine body and a dustproof belt; the brushing device is installed in the machine body; the back of the control panel is vertically connected with the front side of the first half end of the machine body; the side surface of the displayer is embedded into the right half end of the control panel; the movable wheels are sequentially connected to form a rectangular structure so as to be arrayed at the bottom of the machine body; the cover plates are mutually paralleled and are installed on the front side of the second half end of the machine body; the heat-dissipation openings are sequentially arrayed on the cover plates at equal intervals from the top down; the backs of the handles are vertically connected with thefront ends of the cover plates; and the dustproof belt is installed at the right end of the machine body. With the adoption of the brushing device of the novel pediatric medical instrument brushing equipment, water and cleaning liquid can be automatically matched by the device, so that the neatness of cleaning can be improved, and the more cleaning time is saved.

The invention discloses a plant protection unmanned aerial vehicle with an automatic pesticide liquid proportioning device. Wings are arranged on the two sides of an unmanned aerial vehicle body, a pesticide liquid tank and a water tank are arranged below the wings, blades are rotationally installed on the top of the unmanned aerial vehicle body and above the wings, and a mixing and proportioning tank is arranged on the unmanned aerial vehicle body and located between the two wings; the pesticide liquid tank and the water tank are both connected with the mixing and proportioning tank through a liquid proportioning pipeline, an electromagnetic proportioner is arranged on the liquid proportioning pipeline, a liquid guide pipe is arranged at a liquid outlet in the mixing and proportioning tank, a liquid outlet control valve is arranged on the liquid guide pipe, the liquid guide pipe is connected with the high-voltage electrostatic spraying head through a hose, and a flow meter is arranged on the hose; a telescopic support is arranged between the unmanned aerial vehicle body and the high-voltage electrostatic spraying head, and mounting supports used for mounting the high-voltage electrostatic spraying head are arranged at the positions, located at the two ends of the high-voltage electrostatic spraying head, of the telescopic support. Automatic proportioning of pesticide liquid can be achieved, waste caused by excessive dosage is avoided, and meanwhile harm to operators caused by manual dosage is avoided to the maximum extent.

The invention discloses a detection device for detecting corrosion resistance of a shell. The device specifically comprises a host, a bottom plate, a control box, a mixing box and a plug-in probe, andthe host is installed on one side of the top of the bottom plate. A control box is fixed to the other side of the top of the bottom plate; a box cover is mounted at the top end of the host; a handleis mounted in the middle of the bottom of one end of the box cover; liquid storage tanks are arranged on the two sides of the bottom end of the interior of the host correspondingly. Themixing box is arranged in the middle of the bottom end in the host; a water pump is mounted at the bottom of the interior of each liquid storage tank; and water pipes are fixed at the output ends of the water pump.According to the detection device for detecting the corrosion resistance of the shell, adetection bin and acontrast bin are arranged, salt mist and humid and hot air are introduced into the detection bin, and humid and hot air is introduced into the contrast bin, so that the corrosion condition of the shell is conveniently analyzed and checked, the interference of external environment air on detection is eliminated, and obtained data is more reliable and effective.

The invention discloses a raw material stirring and smashing integrated device for baijiu processing. The raw material stirring and smashing integrated device structurally comprises a stirring and smashing comprehensive device, supporting legs, a machine body, a discharging hopper, a wiring pipe, a control cabinet, a control panel and a sealing door, wherein the stirring and smashing comprehensivedevice is arranged at the inner part of the machine body; the right side of the machine body is fixedly connected with the left side of the control cabinet; the supporting legs are sequentially connected into a rectangular structure and are arranged at the bottom parts of the machine body and the control cabinet; one end of the wiring pipe is connected to the inner part of the upper half end of the machine body, and the other end is connected to the inner part of the upper half end of the control cabinet; the side surface of the control panel is embedded at the front side of the top end of the control cabinet. According to the raw material stirring and smashing integrated device for the baijiu processing, disclosed by the invention, big koji and small koji can be regularly stirred and smashed, raw materials can be added in equipment only if the big koji and the small koji are stirred and smashed, so that automatic proportioning can be realized, the working difficulty of workers can bereduced, and waste can be prevented.

The invention relates to a preparation method of a flue gas treatment absorbent and relates to the technical field of a DCS, in particular to a method which adopts a PLC application function block (FB) for programming and can achieve control requirements for preparing the absorbent of a flue gas purification process. The method comprises the following steps: the FB calculates the doping amounts ofwater and lime in percentage by weight and prepares the total amount of water in a tank according to a chemical reaction equation: X percent = W1 + W2, wherein W1=CaO * (18 / 56), W2 = (CaO * (74 / 56)*(1-X percent)) / X percent; lime mortar is diluted so that the concentration is changed from X percent to Y percent, W3 = lime mortar * (X percent / Y percent -1); the FB comprises matching calculation, normal matching process control and manual / automatic switching, pause / recovery and sudden stop treatment. The invention utilizes a low-cost PLC, calculates the doping amounts of reaction materials and water according to the chemical reaction equation and achieves automatic matching and high reliability so as to replace a control system device of a large-scale DCS.

The invention relates to the technical field of agricultural planting, in particular to a tangerine intelligent planting system, comprising an environmental information collection module, which is used for collecting data of planting soil and planting environment through a sensor; a growth condition input module which is used for inputting the information of each growth stage of tangerine; a meteorological data communication module obtaining meteorological information corresponding to a geographic position through data connection with a meteorological website; an agricultural information obtaining module which is used for connecting with the data of the agricultural information website and extracting the information of the orange; a database server for accessing data; a data analysis and processing module, configured to classify according to the business items of the management platform according to the data of the database server; a management platform, used for the management of orange cultivation and sales; a fertilizer application device which is used for automatically applying fertilizer to the citrus fruit. The invention discloses a tangerine intelligent planting system, which can comprehensively monitor the tangerine planting process and provide a scientific planting scheme.

The invention discloses an automatic weighing-blending mechanism of a noodle maker. The mechanism comprises a stirring chamber. The top of the stirring chamber is fixedly provided with a sealing coverthrough a bolt. Three independent feed pipes are vertically arranged on the sealing cover. Each feed pipe is fixedly provided with a convex ring. The convex ring supports a weighing mechanism. The weighing mechanism comprises a support that sleeves the outer ring of the feed pipe. The support is arranged on the top of the convex ring, and the top of the support supports a supported plate. The rawmaterial adding sequence can be determined according to the noodle production requirements; due to the projected edge, the support only has one support point, deviation is avoided, when a force is applied, thus the accuracy of a pressure sensor is improved; moreover, a pressure plate protects the pressure sensor, at the same time, the weight of a raw material tank is supported by columns, the pressure is precisely transmitted to the pressure sensor, and the detection precision is guaranteed.

The invention discloses an agricultural inspection system. The agricultural inspection system comprises a water and fertilizer station, water and fertilizer supply stations, a steel cable device, a water and fertilizer spraying machine, an unmanned aerial vehicle and a controller, the steel cable device drives the water and fertilizer spraying machine to move for irrigation and fertilization, and the water and fertilizer station comprises a water and fertilizer supply assembly which supplies water and fertilizer to the water and fertilizer spraying machine; each water and fertilizer supply station comprises a parking apron and a supply device, the unmanned aerial vehicle is parked on the parking apron, and the supply device supplies pesticide and power source to the unmanned aerial vehicle. Two groups of water and fertilizer supply stations are diagonally arranged and serve as a take-off position and a final position of the unmanned aerial vehicle in one unit respectively, the unmanned aerial vehicle takes off in one group of water and fertilizer supply stations, the unmanned aerial vehicle does not need to fly back to supplement water and fertilizer or spray, so that electric power is effectively saved, and spraying efficiency is improved.

The invention relates to an automatic compounding device for cable rubber material color masterbatch. The automatic compounding device is characterized by comprising a mixing pipe, a main material conveying mechanism, a plurality of auxiliary material conveying mechanisms and a mixture conveying mechanism, wherein the mixing pipe is vertically arranged; the main material conveying mechanism, the auxiliary material conveying mechanisms and the mixture conveying mechanism are horizontally arranged; the upper ends of the main material conveying mechanism, the auxiliary material conveying mechanisms and the mixture conveying mechanism are in communication with one another; the lower end of the mixture conveying mechanism is communicated with the lower end of the mixing pipe. The automatic compounding device has the advantages that a main material and auxiliary materials are respectively and automatically sent to the mixing pipe by the main material conveying mechanism and the auxiliary material conveying mechanisms, and a mixture in the mixing pipe then enters the mixture conveying mechanism so as to be fed; therefore, the device not only realizes automatic compounding, reduces the manual operation and increases the working efficiency, but also enables the main material and the auxiliary materials to be continuously fed so as to guarantee color blending quality and avoid proportional error.

The invention relates to the technical field of dendrobium wine production, in particular to a shearing and breaking device for dendrobium wine preparation. The shearing and breaking device comprisesa rack, a medicine basket, a linear displacement mechanism, a lifting mechanism, a weighing mechanism, a shearing mechanism, a high-speed crushing mechanism, a liquid inlet mechanism, a discharging mechanism, an industrial computer and a controller. The weighing mechanism and the high-speed crushing mechanism are fixedly mounted on the rack. The medicine basket is a frame body with one side opening and the opening faces the shearing mechanism. The medicine basket is hinged to the weighing mechanism. The medicine basket is located above the side of the shearing mechanism. The shearing mechanismis fixedly mounted on the high-speed crushing mechanism and communicated with the high-speed crushing mechanism. The linear displacement mechanism and the lifting mechanism are fixedly mounted on themedicine basket and are in transmission connection with each other, and both the liquid inlet mechanism and the discharging mechanism are communicated with the high-speed crushing mechanism. By the adoption of the technical scheme, the problem that the labor cost of the matching of raw materials of dendrobium and base wine is higher is solved, manpower is saved, the cost of purchasing various equipment is saved, the yield is high, and the production efficiency is improved.

The invention discloses an unmanned aerial vehicle for agricultural pesticide spraying of a farmland. The unmanned aerial vehicle includes a mounting shell, a pesticide chamber, a water storage chamber, an air cylinder, a control device and a combining machine. The mounting shell and an unmanned aerial vehicle body are of an integrated structure. The pesticide chamber, the water storage chamber, the air cylinder, the control device and the combining machine are installed in the mounting shell. The pesticide chamber is used for storing pesticides, the water storage chamber is used for storing water for dispensing, the combining machine is installed between the pesticide chamber and the water storage chamber, the pesticide chamber communicates with the combining machine through a pesticide communication pipe, the water storage chamber communicates with the combining machine through a water flow channel, spray heads are further arranged on the combining machine in a communicating mode andinstalled at the bottom of the mounting shell and the spraying direction of the spray heads is vertically downward. The control device is disposed between the pesticide chamber and the combining machine, and the air cylinder is disposed on one side of the pesticide chamber and the water storage chamber and in communication with the pesticide chamber and the water storage chamber.

The invention relates to the technical field of agricultural planting, and particularly relates to a citrus Orah drip irrigation system. The drip irrigation system comprises planting rows, a water supply device, a fertilizer applying device, a controller and a management module; the water supply device comprises drip irrigation pipes, a water storage tank and a water supply pump, and is used for carrying out drip irrigation on the planting rows; the fertilizer applying device comprises a material storage tank, stirring paddles, a discharging pipe and fertilizing pipes; the discharging pipe isin conducting connection with the storage tank through a slurry discharging pump; the fertilizing pipes are respectively positioned above the planting rows and are in conducting connection with the discharging pipe; each fertilizing pipe comprises a pipe body and a spiral pushing rod; each of fertilizing openings is provided with a first flow valve, a first switch valve and a fertilizer nozzle; and the controller can be used to control a water circulation device and the fertilizer applying device according to the management module. Through the citrus Orah drip irrigation system provided by theinvention, intelligent drip irrigation and fertilization can be carried out according to the growth condition and the soil condition of the citrus Orah, and the influence of manual factors is greatlyreduced.

The invention relates to the technical field of automatic control of robots, in particular to a solvent proportioning system for a car washing robot. The system comprises a water tank, a diaphragm pump, multiple electromagnetic valves, multiple solvent tanks, a peristaltic pump and a mixing device; each solvent tank is provided with one electromagnetic valve, all the electromagnetic valves are communicated with the peristaltic pump, the peristaltic pump and the diaphragm pump are both communicated with the mixing device, and the diaphragm pump is communicated with the water tank through the mixing device; the system further comprises a control module which is electrically connected with the electromagnetic valves, the peristaltic pump and the diaphragm pump. According to the system, the control module and a control switch are combined by combining an automatic control mode with speech control, and therefore the purpose of automatically and semi-automatically proportioning solvents contained in the solvent tanks is achieved; meanwhile, the flow velocity in the water tank can be controlled, and then not only can automatic proportioning of the solvents and water be achieved, but also the concentration and the ratio between the solvents and the water and the concentration and the ratio among the solvents can be adjusted as needed.

The invention provides an accurate liquid suction proportioning system, and belongs to the field of medical devices. The system comprises a suction loading and unloading rail stretching across all stations. A slidable suction loading and unloading mechanical arm is arranged on the suction loading and unloading rail; an upper suction sliding block and a lower suction sliding block which are independently driven by a driving device are arranged on a suction mechanical arm base, an upper suction positioning block used for clamping the end of a suction device suction rod is arranged on the upper suction sliding block, and a lower suction positioning block used for clamping a suction device suction sleeve is arranged on the lower suction sliding block. And through the arranged suction loading and unloading system, automatic proportioning of liquid can be achieved, automatic loading and unloading of test tubes are achieved, and the efficiency is greatly improved.

The invention discloses a liquid mixing preparing container. The liquid mixing preparing container is provided with an inner wall layer and an outer wall layer, wherein a spring set is arranged in aninterlayer at the bottom part of the container, and a liquid draining bag is arranged in the interlayer of the container; a first one-way valve is arranged at an opening of the liquid draining bag; the liquid draining bag is connected to a liquid pumping tube in which a second one-way valve is arranged; the other end of the liquid pumping tube is arranged into a liquid storing barrel; and a faucetis arranged on the side surface of the lower part of the container. The invention provides the container for automatically mixing and preparing liquid for the first time; the container is not independent on electric power and control systems, and the container occupies small area and is simple and convenient to operate to automatically mix and supplement additives, and thus complex manual mixingand the damage of medicine pollution to a human body can be avoided.

The invention relates to the technical field of coal spontaneous combustion fire zone sealing, in particular to a combined sealing device for energy absorption and explosion discharge of a coal spontaneous combustion fire zone. The combined sealing device includes a colloidal explosion-proof bag and an air bag, the colloidal explosion-proof bag is of a hollow structure, and a first interlayer anda second interlayer are arranged in the hollow structure to separate the colloidal explosion-proof bag into an arch-shaped cavity, a first cavity and a second cavity; a grouting hole is formed in thetop end of the same side of each layer, the grouting holes are connected with a colloid foam filling system driven by compressed air, air holes are formed in one sides of the grouting holes, and a cylindrical through groove is formed in the middle of the lower end of the second cavity; and the air bag is embedded in the cylindrical through groove, and the air bag is provided with a gas injection hole. The invention further provides a construction technology for the combined sealing device for energy absorption and explosion discharge of the coal spontaneous combustion fire zone. According to the combined sealing device for energy absorption and explosion discharge of the coal spontaneous combustion fire zone, the structure is simple and light, the construction technology is simple, the construction time is short, and the impact strength is high.

The invention relates to the field of fireworks, in particular to a feeding mechanism and a proportioning mechanism of a firework charging production line. The feeding mechanism comprises a pluralityof stirring cylinders arranged side by side, and a supporting frame for fixing the multiple stirring cylinders; each stirring cylinder comprises a cylinder body and a first stirring motor; each firststirring motor is provided with a stirring shaft; the end of each stirring shaft is provided with a stirring paddle; the first stirring motors are fixed to the top of the supporting frame; the stirring shafts vertically extend downwards into the cylinder bodies; the proportioning mechanism comprises a material rack; the material rack is provided with material cylinders corresponding to all the stirring cylinders in a one-to-one manner; a sieve plate is arranged at the position, below all the material cylinders, of the material rack; the sieve plate is provided with a set of meshes corresponding to each material cylinder; and the pore sizes and numbers of the meshes in all sets are different. Automatic stirring and proportioning of raw materials can be achieved, compared with manual operation, the production efficiency of the production line is higher, and the stirring uniformity and proportioning quality of the raw materials can be effectively ensured.

The invention relates to the technical field of intelligent agricultural internet of Things, in particular to an intelligent pesticide proportioning spraying device and method. The intelligent pesticide proportioning spraying device comprises a trolley device, a detecting device, a container, a proportioning spraying device and a remote control device, wherein the detecting device is mounted on abottom plate of a trolley; the container is mounted on the trolley device; the proportioning spraying device is disposed at the top of the container; the proportioning spraying device is connected with the container; and the remote control device is connected with the trolley device and the proportioning spraying device via a wireless network. According to the intelligent pesticide proportioning spraying device, automatic proportioning of pesticides in a very precise manner according to various ratio modes can be realized, automatic spraying of the trolley according to a trajectory can be realized, the trolley runs smoothly, the speed is controllable, and the spraying speed of a pesticide is effectively controlled, so that the pesticide can be sprayed very uniformly, the waste of the pesticide can be avoided, and the device can be remotely controlled by mobile phones and computers, therefore, the harm of the pesticide to a human body can be reduced, and the device can be widely used inagricultural production.

The invention discloses an automatic emulsion preparation apparatus. The automatic emulsion preparation apparatus comprises a water purification apparatus, an emulsion preparation apparatus and a controller; the water purification apparatus comprises a flocculation pretreatment apparatus, a filtering apparatus, a water softening apparatus, a pH adjusting apparatus and a water storage apparatus; the emulsion preparation apparatus comprises a liquid mixing box, a mixer, a concentration sensor, a second electric valve, a water flow gauge, a high pressure pump, a gear oil pump, a frequency converter and a controller; and the controller is connected with a stirring mechanism, a pH sensor, a first electric valve, a circulating pump, a concentration sensor, the second electric valve, the water flow gauge and the frequency converter of the gear oil pump. By adopting the automatic emulsion preparation apparatus, the automatic proportioning of emulsified oil and clean water is realized, the liquid supply quality of the emulsion is improved, the liquid mixing efficiency is increased, the abrasion and corrosion of harmful substances on an underground hydraulic device can be prevented, the safety potential hazard of a hydraulic support in use can be avoided, the use stability of the support is ensured, and an important actual significance on the safe and efficient production of a working face can be realized.

The invention discloses an earth pressure balance shield mud solidification treatment system. The earth pressure balance shield mud solidification treatment system comprises an intelligent chemical adding control system, an intelligent double-shaft stirring system and an intelligent master control system, wherein the intelligent chemical adding control system is internally provided with a comprehensive chemical, the discharging end of a shield mud storage pool is connected with one feeding end of the intelligent double-shaft stirring system, a chemical throwing opening of the intelligent chemical adding control system is connected with the other feeding end of the intelligent double-shaft stirring system, the residue discharging end of the intelligent double-shaft stirring system is connected with a mud unloading pool through conveying equipment. According to the earth pressure balance shield mud solidification treatment system, intelligent chemical adding control is achieved, chemicaladding is smooth, stirring is uniform, the solidification effect is good, the energy consumption is low, therefore randomness and inaccuracy of manual chemical adding are eradicated, the cost is reduced, and the production efficiency is improved.

The invention discloses a self-help car washer foam solution full-automatic proportioning system which comprises a foam water tank, an inductive switch, a foam stock solution box, a micro water pump and a proportioning control system plate, wherein a water inlet pipe is arranged at the upper part of the foam water tank; a foam water outlet is formed in the bottom of the foam water tank; a water inlet filter screen, a water inlet electromagnetic valve and a water inlet flowmeter are arranged on the water inlet pipe; a second inductive switch, a third inductive switch and a fourth inductive switch are arranged at the upper part, the middle part and the lower part of the interior of the foam water tank respectively; the foam stock solution box is arranged at the side part of the foam water tank; a first inductive switch is arranged at the bottom of the foam stock solution box; the foam stock solution box is communicated with the foam water tank through a micro water pump solution inlet pipe, the micro water pump and a micro water pump solution outlet pipe that are sequentially connected; and the proportioning control system plate controls operation of the overall self-help car washer foam solution full-automatic proportioning system. Through the four inductive switches, the amount of a foam stock solution in the foam stock solution box and the amount of a foam solution in the foam water tank are detected at any time, real-time detection and proportioning on the foam solution are realized, long-term supply of foam water is ensured, and no manual feeding is required.

The invention discloses an unmanned aerial vehicle for farmland pesticide spraying, which includes an installation shell, a drug chamber, a water storage chamber, a cylinder, a control device, and a converging device. The installation shell and the unmanned aerial vehicle body are integrally structured , the drug chamber, water storage chamber, cylinder, control device, and confluence are installed in the installation housing, the drug chamber is used to store pesticides, the water storage chamber is used to store water for dispensing medicine, and the confluence is installed in Between the medicine chamber and the water storage chamber, the medicine chamber and the confluence are connected through a medicine communication pipe, and the water storage chamber and the confluence are connected through a water flow channel, and the confluence is also connected It is connected with a spray head, the spray head is installed on the bottom of the installation housing and its spraying direction is vertically downward, the control device is arranged between the medicine chamber and the confluence, and the cylinder is arranged in one of the medicine chamber and the water storage chamber. On the side, the cylinder communicates with the drug chamber and the water storage chamber.

The invention discloses an absorbent preparation method, and relates to the technical field of flue gas purification; according to a chemical reaction equation, the mixing amounts of a reacting substance and water are calculated, and automatic proportioning is realized; a module includes proportioning calculation, normal proportioning process control and resetting; the module also includes the following contents: A, according to a normal operation mode, setting the concentration of lime to be 13%, and calculating the mixing amounts of water and the lime according to the weight ratio; B, setting a function module FB; C, when conditions are met, allowing the function module FB to be outputted according to a normal valve state corresponding to valve state database, and controlling an opening or closing action of a valve; and D, selecting a reset function through the function module FB. The preparation method is combined with the special function module to realize the automatic proportioning, achieves the high-reliability and unique-function control system, and replaces a large-scale DCS control system device.

The invention relates to the field of fireworks, in particular to a firework powder charging production line. The firework powder charging production line comprises a feeding mechanism, a compounding mechanism, a filling mechanism, a raw material conveying mechanism and a crust conveying mechanism. The feeding mechanism comprises multiple stirring tanks which are arranged in parallel. The compounding mechanism comprises is connected with the multiple stirring tanks through the raw material conveying mechanism, and the raw material conveying mechanism is further connected with the filling mechanism. The compounding mechanism comprises a sieve plate which can perform reciprocating motion. The sieve plate is provided with multiple sets of net holes. Each set of net holes are different in hole diameter and number. The filling mechanism is mounted over the crust conveying mechanism. The firework powder charging production line is high in automation degree; all procedures, except feeding of raw materials, do not require manual work to participate therein; labor cost can be reduced; the mounting coefficient is increased; and production efficiency is greatly improved.