75results about How to "Reduce spray volume" patented technology

The invention relates to a quick freezer. In order to solve the technical problem of the waste of the liquid nitrogen in the prior art, the invention provides a self-prefreezing liquid nitrogen tunnel quick freezer. The self-prefreezing liquid nitrogen tunnel quick freezer comprises a tunnel freezing chamber and a surrounding type conveying belt, wherein liquid nitrogen sealing devices are arranged at the feeding end and the discharging end of the freezing chamber respectively; the quick freezer is characterized in that a prefreezing chamber is formed in the exterior of the feeding end of the freezing chamber; the chamber wall of the prefreezing chamber is fixedly connected to the chamber wall of the feeding end of the freezing chamber; the liquid nitrogen sealing device is arranged at an end opening of the outer side of the prefreezing chamber; the conveying belt penetrates through the prefreezing chamber; the side end of the conveying belt stretches out of the exterior of the prefreezing chamber. The self-prefreezing liquid nitrogen tunnel quick freezer is reasonable in structure, simple and convenient to operate and high in quick freezing efficiency; the production cost can be effectively reduced; the self-prefreezing liquid nitrogen tunnel quick freezer has a wide market prospect.

The present invention discloses a titanium dioxide production process calcining tail gas processing method comprising the following steps: 1) dust removal; 2) preliminary heat exchange, to be more specific, calcining tail gas after the dust removal is discharged into a waste heat boiler system for heat exchange with process water, and the calcining tail gas is preliminarily calcined; 3) further heat exchange, to be more specific, the preliminarily-calcined calcining tail gas enters a venturi system and further cooled by spraying with spent sulfuric acid; and 4) desulfurization. According to the titanium dioxide production process calcining tail gas processing method, waste heat boiler system with high heat recovery utilization rate is used, and by step-by-step heat exchange, heat can be efficiently recovered from the calcining tail gas, and can be used for other processes in a titanium dioxide production line, energy and water consumption can be greatly saved, and by the desulfurization, desulfurization rate of the calcining tail gas is significantly increased.

The invention relates to a household waste incineration fly ash cyclic utilization method. A flow distributing device is installed at the lower end of a dust remover of a waste incineration smoke treatment system and controls the amount of fly ash circularly entering a non-medium grinding machine, and therefore the phenomenon that since the fly ash agglomerates at a grinding medium or adheres to the inner wall of the grinding machine, the grinding effect is influenced is avoided. After the fly ash is smashed in a grinding bin, a high-pressure centrifugal fan brings the grinded powder materialsinto a powder selecting machine, fine powder meeting the fineness requirement enters a circulatory system along with airflow, and coarse particle materials incapable of meeting the fineness requirement return to the grinding bin to continue to be grinded. It is guaranteed that the particle sizes of the grinded fine powder are uniform and kept within a certain range, unreacted calcium hydroxide isfully exposed, the specific surface area of the fly ash is increased, the utilization rate of the calcium hydroxide in the fly ash can be improved to be 80% or over, and continuous industrial production can be achieved. Meanwhile, phosphate is fed into the non-medium grinding machine so as to pre-stabilize heavy metal and reduce the application amount of follow-up deacidification agents, and thephosphate also has the grinding assistance function. A strong oxidant is added and achieves the desulfurization and denitration function and the function of promoting dioxin to decompose.

The invention belongs to the field of production of vanadium pentoxide, and particularly relates to a treating method for tail gas produced after vanadium slat is roasted through a rotary kiln. The method comprises the following steps that a, vanadium slag roasting tail gas enters a dust removal system and is separated to obtain vanadate and tail gas I, wherein the vanadate is transferred into a pulping groove; b, the tail gas I enters a waste heat boiler system and exchanges heat with process water supplied externally to be cooled, tail gas II is obtained, and the process water is changed into saturated vapor to be supplied externally; c, the tail gas II enters a Venturi system to be cooled further, and tail gas III is obtained; d, the tail gas III enters a desulfurizing tower from the bottom and makes countercurrent contact with alkali liquor sprayed on the top, defogging is carried out, up-to-standard emission is carried out, and the alkali liquor enters a sewage treating system. By means of the method, the vanadium pentoxide rotary kiln roasting tail gas waste heat utilization rate can be improved, sulfide in the roasting gas can be discharged on standard completely, and therefore a new technological process of clean production of a vanadium pentoxide roasting tail gas system is achieved.

The invention provides a rectification desulphurization system. The interior of an absorption tower of the system has uniform flue gas distribution, good gas-liquid mass transferring effect and higher desulphurization effect. The rectification desulphurization system comprises a tower body of the absorption tower. The lower part of the tower body of the absorption tower is provided with a stock tank, the middle part is provided with a flue gas inlet, and the upper part is provided with a flue gas outlet. The tower body of the absorption tower is internally and sequentially provided with a grout spraying system and a defogging system from the flue gas inlet through the flue gas outlet. A rectification device is arranged between the flue gas inlet and the grout spraying system. Compared with the prior art, the system has the following advantages that the system is provided with the rectification device, which causes that the interior of the tower has uniform flue gas distribution, good gas-liquid mass transferring effect; the height of the absorption can be lowered; the quantity of spaying layers and the spraying amount of grout is reduced; the power consumption of a grout circulation pump is reduced; based on the power consumption reduction, the higher desulphurization efficiency is realized.

The invention discloses a comprehensive control method for a dragon fruit canker, and belongs to the technical field of plant protection and fruit culture. The method comprises the steps that for a newly-built orchard, the disease-free nursery stock and disease-resistant variety are selected to be cultivated; a bactericide is sprayed in spring in the morbidity orchard to restrain germination of pathogen spores; summer is the key control period, the phenomenon that pathogenic bacteria circularly infect a medium is reduced by cut off novel tender branches in time, and bactericide is sprayed; clipping, orchard cleaning and medicament spraying are performed in time in autumn and winter, and a pathogenic spore hibernacle is removed. All medicaments are organic silicone additives, the medicaments are promoted to extension and absorption on the surfaces of branches, and the control effect is enhanced. By implementing the comprehensive control method for the dragon fruit canker, damage to the canker can be completely controlled for the morbidity orchard, and the good prevention effect can be achieved for a non-attacked orchard.

An integrated atmospheric pollutant purifier is disclosed. The bottom of the equipment is externally connected to a circulating pump. By the utilization of the circulating pump, an absorbent is sent to an absorbent spray device arranged below a flue gas inlet, and the absorbent sprayed out of the spray device reacts with pollutants in flue gas. In addition, the purifier also comprises a dispersion atomizing device. The dispersion atomizing device stirs up water sprays to form a water film on an orifice plate, and a turbulent flow vapor-liquid exchange layer is formed. The purifier belongs to a desulphurization, denitration and demercuration integrated device, and has advantages of small floor space, high removal efficiency, low cost of investment and operation, large handling capacity of flue gas and good purification effect. As the inside of the purifier is continuously washed out by circulating slurry, scaling or obstruction will be avoided. With the existence of mixing blades, deposition of the absorbent can be effectively avoided.

The invention discloses a reciprocating type automatic spraying machine and a control method thereof. The reciprocating type automatic spraying machine comprises a stander and a gun frame, wherein the gun frame is provided with a spray gun and a guide rail; the spray gun is arranged on the stander, a swinging head device capable of moving along the guide rail is arranged on the guide rail, and the spray gun is rotatably connected to the swinging head device along the movement direction of the swinging head device. According to the reciprocating type automatic spraying machine, the reciprocating horizontal movement and the rotation of a swinging head of the spray gun can be synchronously realized, the thickness of the coating on to-be-coated surfaces corresponding to two ends of the guide rail can be reduced, and the spraying thickness is relatively uniform.

The invention provides a patrol device and a sprinkler system, which relate to the field of liquor storage. The patrol device includes: a patrol device body and a detection module, a communication module and a control module arranged on the patrol device body. The detection module includes a biometric identification module and an environmental sensing module, and the control module is electrically connected to the communication module, the biometric identification module, and the environmental sensing module; The module is used to detect temperature and rainfall and send the detected temperature signal and rainfall signal to the control module, and the control module sends the biological signal, temperature signal and rainfall signal to the server associated with the communication module through the communication module. It can automatically detect the liquor storage area.

The invention discloses liquid nitrogen quick-freezing equipment for swimming crabs. The liquid nitrogen quick-freezing equipment for the swimming crabs comprises a box, a material-feeding transmission mechanism and a material-discharging transmission mechanism; a material inlet and a material outlet are arranged at two ends of the box; a front clapboard and a rear clapboard are arranged inside the box; the material-feeding transmission mechanism comprises a driving feeding drum, a driven feeding drum, a front guide roller, a lower guide roller and a rear guide roller; a material-feeding conveyor belt is wound between the driving feeding drum and the driven feeding drum; the material-feeding conveyor belt sequentially passes downwards through the front guide roller, winds the lower guide roller and passes through the rear guide roller so as to form a recessed portion; the material-discharging transmission mechanism comprises a driven discharging drum and a driving discharging drum; a material-discharging conveyor belt is wound between the driving discharging drum and the driven discharging drum; the material-discharging conveyor belt and the material-feeding conveyor belt both moveclockwise; a turning-over mechanism is arranged outside a terminal of the material-feeding conveyor belt; and liquid nitrogen spraying mechanisms are arranged, inside a freezing chamber, above both the material-feeding conveyor belt and the material-discharging conveyor belt. The liquid nitrogen quick-freezing equipment for the swimming crabs is quick in freezing rate, so that, overall freezing efficiency and freezing quality of swimming crabs can be improved so as to have liquid nitrogen consumption reduced.

The invention relates to a circulating spray absorption tower for flue gas purification treatment. The absorption tower comprises a cylindrical liquid storage tower body and a cylindrical spray towerbody connected with the top end of the liquid storage tower body; a cleaning and scraping mechanism is arranged on the liquid storage tower body; two spraying pipeline assemblies capable of horizontally rotating are vertically arranged in the spray tower body; and a rotation driving mechanism used for driving the two spraying pipeline assemblies to rotate is arranged on the outer side wall of thespray tower body. According to the absorption tower provided by the invention, a spraying medium liquid can be uniformly and widely distributed in the spraying space, so that flue gas flowing upwardscan be in contact exchange with the spraying medium liquid at equal probability, and the spraying absorption effect can be improved and guaranteed; in addition, solid precipitates can be continuouslyscraped off, and formation and accumulation of a precipitation layer are avoided.

The invention discloses a film coating method, which comprises the following steps: (1) controlling a first coating device and a second coating device by a control device to spray coating liquid on a base material simultaneously in the preset spraying amount; and (2) at the time of spraying the coating liquid on the base material, controlling a sensor by the control device to sense the adhesive force of the coating liquid between the first coating device and the base material; when sensing that the adhesive force of the coating liquid does not change, continuing executing the step (1); and when sensing that the adhesive force of the coating liquid changes, adjusting the spraying amount of the second coating device by the control device according to an adhesive force signal. In the film coating method, the control device adjusts the spraying amount of the second coating device according to the variation of the adhesive force of the coating liquid between the base material and the first coating device, so a smooth film is formed on the base material.

The invention discloses a combined biological treatment method for pharmaceutical and chemical sewage and organic waste gas. The method comprises the steps that waste gas is in countercurrent contactwith a mud-water mixture from an aerobic tank in virtue of a biological spray tower, so soluble organic matters in the waste gas are adsorbed; then the waste gas is subjected to Fenton treatment and aFenton reagent reaction, so degradation-resistant organic matters in the waste gas are oxidized and degraded; then the waste gas passes through a spray washing tower and is washed with clear water from a clear water tank; residual organic matters are removed from the washed waste gas through a biological filter, and then the waste gas is discharged through a chimney; after wastewater is treated by a Fenton reaction tank, an anoxic tank, an aerobic tank and a sedimentation tank, upper-layer clear water reaching a standard in the sedimentation tank enters the clear water tank; and washing liquid of a Fenton treatment tower is discharged into the Fenton reaction tank. The method integrates advanced oxidation, anaerobic and aerobic biological purification, a biological filter treatment process and other processes, and has the characteristics of high combined wastewater and waste gas treatment efficiency, low Fenton reagent consumption, low operating cost and the like.

The invention relates to a pneumatic conveying type suspender profiling ripener spraying machine for cotton fields. The spraying machine is composed of a power drive device, a pesticide liquid spraying system, a pneumatic conveying system, a hydraulic lifting mechanism and a suspender profiling device. Wind outlets and a vertical pesticide rod are arranged on a multi-hole wind duct, jet stream fields are formed in the regions of the two sides of the wind duct, and then spraying fog drops are secondarily atomized, and the pesticide liquid adhesive rate is increased. The hydraulic lifting mechanism and the suspender rod profiling device are arranged, and then the suspender profiling device can meet operating requirements at different heights. Ripener can be evenly sprayed to the upper, the middle and the lower positions of cotton plants, the high defoliation rate and the high boll opening rate are achieved, and the spraying machine can be suitable for land parcels of different shapes and the cotton fields of different growth vigor.

The invention belongs to the technical field of hydrometallurgy, particularly relates to a method for preventing ore heap hardening, and aims to prevent metals and impurities in leach liquor from forming insoluble precipitate in a heap and solve the problems of ore heap hardening, permeability lowering and the like by means of increasing the spraying amount and spraying acidity, optimizing a spraying system and the like. The method is characterized by comprising heap wetting, ore heap acidification period treatment, heap leaching medium-term treatment and leaching post-treatment. According to the method, ore is fully wetted with clear water before leaching, so that the residence time of an acidification-period high-concentration solution on the surface of ore is shortened, and secondary precipitation of leaching matters is relieved; high spraying strength is adopted at an ore heap acidification period, so that the thickness of a liquid film on the surface of the ore is reduced, and the ore leaching strength is enhanced; the sulfuric acid concentration of spraying liquid is kept constant at a heap leaching medium period, so that the spraying amount of a leaching agent is reduced gradually, the leaching process is enhanced, the metal concentration of the leaching liquor is increased, smooth proceeding of heap leaching is ensured, and the leaching period is shortened.

The invention discloses a die spraying system. The die spraying system comprises a PLC control module, a human-machine interface, a die-casting machine work state input module, a spraying robot module, a die spraying flow control module and a die cooling water control module. The human-machine interface is connected with the PLC control module through one-way communication. The die-casting machine work state input module is in one-way communication with the PLC control module. The spraying robot module is in both-way communication with the PLC control module. The die spraying flow control module is in one-way communication with the PLC control module. The die cooling water control module is in one-way communication with the PLC control module. According to the die spraying system, the time, from a cold state to a normal production state, of a die casting machine can be greatly shortened, the number of disqualified products can be reduced to the maximum degree, the product yield is increased, and the production efficiency is improved.

The invention relates to the technical field of liquid ammonia safety protection, in particular to an emergency treatment device for the leakage of a liquid ammonia storage tank. The emergency treatment device comprises a detection mechanism for detecting ammonia gas and a spraying mechanism for diluting the ammonia gas, and the emergency treatment device further comprises a sleeve sleeved outside the liquid ammonia storage tank, one end of the sleeve is sealed, the other end of the sleeve is open, and a plurality of partition plates are axially arranged in the sleeve. The free ends of the partition plates are in sliding connection with the surface of the liquid ammonia storage tank, the partition plates divide the space between the sleeve and the liquid ammonia storage tank into a plurality of blocking cavities, an air bag is arranged in each blocking cavity, the air bags are fixed to the sleeve, each air bag communicates with an air pump, and the air pumps are used for inflating and deflating the air bags; and the detection mechanism comprises an ammonia gas detector, the ammonia gas detector is arranged on the face, close to the liquid ammonia storage tank, of the air bag, the ammonia gas detector is electrically connected with a controller, the controller is electrically connected with an alarm, and the controller is further electrically connected with the spraying mechanism and the air pump. According to the emergency treatment device, the air bags are inflated to block a leakage area, and further leakage of ammonia gas is effectively avoided.

The invention relates to a desulfurization system, in particular to a marine hybrid desulfurization system and method, and belongs to the technical field of marine exhaust gas purification. The marinehybrid desulfurization system comprises an open desulfurization system taking seawater as an absorbent and a closed desulfurization system taking a base absorption liquid as an absorbent, and mainlycomprises a flue gas system, an absorption tower system, an alkali liquor preparation system and a washing water treatment system. According to the marine mixed desulfurization system provided by theinvention, the advantages of the open type desulfurization system and the closed type desulfurization system are effectively combined, the open type desulfurization system and the closed type desulfurization system can be freely switched, and up-to-standard emission of sulfur oxides in discharged flue gas is realized when a ship sails in different countries and different sea areas.

The invention discloses an automatic spraying deodorization device and a treatment method thereof, and relates to the technical field of environmental protection, in particular to a first three-way pipe and a raw material barrel, a water inlet is formed in one end of the first three-way pipe, and the raw material barrel is connected to the bottom of a proportioning pump through a hose; the side, away from the first electromagnetic valve, of the proportioning pump is connected with a second ball valve through a pipeline, a control cabinet is arranged on one side of the batching barrel, and the side face of the batching barrel is connected with a second three-way pipe through a pipeline; and the other end of the water pump is sequentially connected with a third three-way pipe, a fourth ball valve, a pressure gauge, a second flow meter, a second check valve and a spray head through a pipeline. According to the automatic spraying deodorization device and the treatment method thereof, through cooperative use of the liquid level meter and the proportioning pump, deodorization liquid and water can be automatically mixed according to a specific proportion when the liquid level is lower than a preset value, and the mixture is supplemented into the batching barrel, so that the labor intensity of manual proportioning of operators is greatly reduced, and the proportioning accuracy is also greatly improved.