30results about How to "Spray in time" patented technology

The invention discloses an extractor hood. An electrostatic device (4) and a cleaning device (3) are arranged in a rack assembly (1) of the extractor hood; the cleaning device comprises a spray head assembly (39) used for spraying and cleaning the electrostatic device and a reciprocating driving mechanism (30) used for driving the spray head assembly to do reciprocating motion; and an oil-proof box (5) is arranged in the extractor hood, and a spray head (395) of the spray head assembly (39) is stored in the oil-proof box at the start position and the final position of the reciprocating motion.According to the extractor hood, the cleaning device capable of achieving automatic cleaning is additionally arranged, and therefore the electrostatic device can be conveniently sprayed and cleaned in time; and when the extractor hood is in the working condition of oil fume extraction, the interior of a cavity is an environment filled with oil fume, the spray head of the spray head assembly of the cleaning device has the function of being capable of resetting into the oil-proof box in time after completing cleaning work, therefore, oil fume environment pollution is avoided, the spray head cannot be plugged, then the using performance of the cleaning device is guaranteed, and the cleaning efficiency is improved.

The invention relates to the technical field of fruit tree plantation and concretely relates to a sand-sugar orange plantation method. The method comprises the following steps of (a) selecting and preparing a piece of land, (b) fixedly planting, (c) managing the field, (d) managing during blossoming and fruiting periods, and (e) harvesting and trimming. In the (a) step, the land is deeply ploughed, ripened and flattened in last winter before the plantation; and sand-sugar orange plantation caves are dug. In the (b) step, sand-sugar orange seedlings are fixedly planted; a ridge with the height of 15 to 25cm is piled surrounding the sand-sugar orange plantation caves; and fixed-plantation water is watered. In the (c) step, after the planted sand-sugar orange survived, trenches are dug in the ridge and ground fertilizer is applied; ground fertilizer and leaf fertilizer are applied in proper time and water is injected or drained; and disease and insects are prevented. In the (d) step, fruiting promotion liquid is sprayed during the last period of the blossom period; and fruits are thinned in time. The method adheres to sand-sugar orange growth features, can improve sand-sugar orange main output and sweetness, reduce acidity, and provides great taste; and continuous plantation cannot cause acidizing and hardening would-be degradation phenomena.

The invention belongs to the fireproof and fire-fighting field, and particularly relates to construction and a method of an intelligent water spray fire fighting device. A plurality of mobile wireless fire sensor and location marks sense corresponding fire signals sensed on different directions and transmit the signals to a controller. The controller judges and adjusts the direction of a spraying head to aim the spraying head at the direction that a corresponding fire sensor points and a spraying action is implemented, achieving targeted water spraying and fire fighting. A plurality of fire directions are gradually sprayed from a major direction to a minor direction according to the priority level of the plurality of fire directions until fire conditions vanish or manual intervention is achieved. By utilization of the controllable spraying head capable of adjusting directions and by utilization of the intelligent locating spraying mode of fire tracing and locating technology, timely, accurate and effective spraying is achieved; a fast, effective and targeted fire fighting action is performed; the fire fighting efficiency can be improved, and losses caused by fire fighting are greatly reduced.

The invention discloses an anti-freezing and insect-preventing technology of fruit trees. The anti-freezing and insect-preventing technology comprises the following steps of: applying a base fertilizer as soon as possible and then applying an organic fertilizer in the end of September or the beginning of October; spraying a fulvic acid drought resistance agent, amino acids or rare earth on the fruit trees once in time after fruit picking, wherein with regard to leaf-fallen fruit trees which cannot be subjected to foliage application, the amino acids can be sprayed onto trunks once, an antifreezing agent can be sprayed onto leaf-fallen easy-to-freeze fruit trees once, or the roots of the leaf-fallen easy-to-freeze fruit trees are earthed up to prevent root systems from being frozen, and the truck base parts or main branches can be also coated with a layer of whitewash; after the fruit trees enter a dormancy peroid, spraying a high-concentration pesticide before the fruit trees are germinated, wherein the high-concentration pesticide cannot be applied in the growth peroid; and when temperature drop sharply happens, taking protective measures of binding grass bundles on trunks, wrapping plastic films, earthing up the tree roots and the like in time, cleaning accumulated snow on the trees after snow and rain so as to prevent icing, spraying a Fulan Sukang and brown sugar mixed solution as soon as possible after freeze injury happens, and spraying lime sulphur in time in the beginning of spring. The anti-freezing and insect-preventing technology disclosed by the invention has the advantages of enhancing the water-retention, anti-freezing and insect-preventing capabilities of the fruit trees, increasing the fertile fruit rate of the fruit trees and improving the high-yield effect of the fruit trees.

The invention relates to a belt conveyor intelligent current detection spraying system and a control method. Through a current transformator or a frequency converter I / O (input / output) board, a standard current signal reflecting an actual load of a driving motor is accessed into an intelligent current detector, the intelligent current detector uses the difference between the idle load current and the load current of the driving motor to determine a current set value Isd, through calculation, when the actual load current I is greater than or equal to the Isd, the intelligent current detector switches on a spraying circuit for implementing the spraying in a time delay manner through an output module, the time delay time is delta T, the actual current detected by the intelligent current detector needs to continuously meet the requirement that I is greater than or equal to the Isd in the time of the delta T, when the actual load current I is smaller than the Isd, the intelligent current detector switches off the spraying circuit through the output module, and the spraying operation is stopped. The application range is wide, the advantages of low investment, good effect, high practicability, high intelligence and water resource saving are achieved, the surrounding environment is effectively protected, the occurrence rate of anthracosis is reduced, and the safe and civilized production is ensured.

The invention relates to a soil remediation system that comprises a bottom plate, a vibration device, a crushing device, a digging device and a recovery device; the digging device is mounted at the rear end of the bottom plate; the vibration device is mounted at the middle end of the bottom plate; the crushing device and the recovery device are arranged on the bottom plate; by means of the soil remediation system, the following problems existing in soil excavation and crushing of existing soil remediation can be solved: a, during soil excavation of traditional soil remediation, tools are oftenneeded to be used manually to excavate soil, compact soil needs to be beaten into particles, and time and labor are wasted during manual soil excavation; b, according to a traditional soil remediation machine, soil needs to be manually excavated and conveyed into the remediation machine, the soil remediation effect is poor due to the fact that soil cannot be dug and fed automatically and is not completely crushed, the screening net is often blocked in the soil screening process, and manual treatment is troublesome; thus, by using the invention system, the labor intensity of workers in the soil remediation process can be reduced, and the soil remediation efficiency is improved.

The invention discloses a waste transfer monitoring processing method. According to the technical scheme, for solving the problem that when an existing waste transfer station monitors waste disposal, chemicals are wasted, the method comprises the following steps that the concentration of odor generated by waste newly received by a waste transfer station is detected; a function relationship that the odor concentration changes along with time is fit; the odor concentration change trend is predicted according to the function relationship obtained in the step 2, and chemicals are sprayed for effective deodorization before the odor concentration is increased rapidly. The concentration of the odor generated by the waste newly received by the transfer station along with lasting of time is detected, then the change relationship of the odor concentration along with time is fit, the odor concentration change trend is predicted according to the change relationship of the odor concentration along with time in practical monitoring, and the chemicals are sprayed to the waste before the odor concentration is increased rapidly; accordingly, deodorization can be conducted in time, the speed that the odor catalyzes corrosion and fermentation of the other waste is decreased, then further increase of the odor is inhibited, and the dosage of the chemicals can be decreased generally.

The invention discloses a breeding system of porcupines. The system is characterized in that the system comprises a pigsty and a trough, the pigsty is divided into a front pigsty body and a back pigsty body, the trough comprises a front drinking and food trough and a back drinking and food trough, and the front pigsty body comprises a front door and front hardening ground; the front door is provided with the front drinking and food trough, a front filter port is formed in the lower surface of the front drinking and food trough, and a front inclined groove is formed in the lower surface of thefront filter port; a front discharge groove is communicated with an outlet of the front inclined groove, and a front biogas digester is communicated with the front discharge groove; the back pigsty body comprises a middle wall body, a back door and back hardening ground, a player is arranged on the upper portion of the middle wall body, and multiple high-pressure water pipes are arranged on the lower portion of the middle wall body. The breeding system of the porcupines has the advantages that the system is environmentally friendly and large-scale breeding can be quickly achieved.

The invention discloses a green, environment-friendly and biodegradable formaldehyde-removing color-changing sponge carrier. The invention discloses a color-changing adsorbing material capable of repeatedly and continuously adsorbing formaldehyde. The material is characterized by being prepared by the steps: firstly, adding an alcohol amine compound into deionized water, and stirring thoroughly todissolve to prepare a formaldehyde reactant evenly, wherein the deionized water and the adsorbing material are proportioned according to the mass ratio of (1:1)-(3:1); and then physically adsorbing the formaldehyde reactant, a color developing agent and a humectant of the corresponding components by the adsorbing material, to prepare the color-changing adsorbing material capable of repeatedly andcontinuously adsorbing formaldehyde, wherein the adsorbing material is biodegradable water-absorbing sponge prepared by taking wood pulp as a raw material, and the surface of the adsorbing material is loose and porous, so that lasting adsorption of formaldehyde gas is facilitated. The formaldehyde reactant adsorbed on the sponge removes formaldehyde through a chemical reaction, and reaches a color changing area of the color developing agent by reducing the pH value of the system; after the reaction is completed, the formaldehyde reactant is sprayed again, and the previous color is displayed,so that the purpose of repeated and continuous use is achieved.

The invention discloses a device for preventing dust raising of a belt conveyor chute, and relates to the technical field of metallurgical bulk material production and transportation. The device can be applied to metallurgical enterprises, power plants and other enterprises using belt conveyor transportation, and is used for controlling dust raising of the belt conveyor transfer chute. The devicecomprises a feeding conveyor belt, the chute and a discharging conveyor belt, wherein the chute is formed below the feeding conveyor belt, and the lower part of the chute is connected with the discharging conveyor belt. The device also comprises an electronic scale, a pressure rod valve water spraying device and a nozzle water spraying device, wherein the electronic scale is arranged on the back side of the feeding conveying belt; the pressure rod valve water spraying device and the nozzle water spraying device are arranged in the chute; and the pressure rod valve water spraying device is connected with the nozzle water spraying device through a water pipe. According to the device, the water spraying amount and the spraying angle are adjusted according to different flows of materials, andthe dust suppression effect is realized by using the most economical water consumption.

The invention discloses a whole-body disinfection device for pediatric operating room, comprising: a limit frame, a rotating shaft is movable installed inside the limit frame, and a movable frame is fixedly installed on the outer surface of the rotating shaft, and the outer surface of the rotating shaft is fixedly installed with limited Position rod, the lower surface of the limit frame is fixedly installed with a fixed frame, the interior of the fixed frame is fixedly connected with a corrugated column, the interior of the corrugated column is interspersed with a fixed rod, the upper surface of the limit frame is fixedly connected with a fixed frame, fixed A connecting rod is movably installed in the middle part of the frame, and an end of the connecting rod close to the movable frame is hinged with a movable shaft. The whole-body disinfection device for pediatric operating rooms can effectively spray disinfectant on the body of medical staff from top to bottom through the joint use of connecting strips, nozzles and connecting rods, ensuring that the outer surface of medical staff is sprayed evenly to achieve all-round purpose of disinfection.

The invention discloses an automatic alarming and spraying device for an indoor fire hydrant. The automatic alarming and spraying device comprises a fire hydrant box, a control cabinet and a storage battery. The control cabinet is arranged in the fire hydrant box. The storage battery is arranged in the control cabinet. An information processor is arranged below the storage battery. A switch is arranged on one side of the information processor. A controller is arranged below the information processor. A water pump is arranged below the controller. The fire hydrant is arranged on one side of the control cabinet. A water outlet pipe is arranged on the fire hydrant. An alarm device is arranged on the inner wall of the fire hydrant box. A sprayer is arranged at the tail of the water outlet pipe. A suction cup is arranged above the sprayer. A temperature inductor is arranged on the outer side of the sprayer. The automatic alarming and spraying device has the beneficial effects that the temperature inductor and a smoke inductor are arranged at the same time, timely spraying can be guaranteed when one device is damaged, and safety is high; and the alarm device is arranged, a rescue worker can be guided to find the fire hydrant box, and accordingly the rescuing efficiency is improved.

The invention discloses an anti-explosion polishing unit, comprising a polishing unit body; the polishing unit body is composed of a water pump, a polisher, a suction fan and a housing; one side of the housing is provided with a dust suction port, a primary sprayer is fixedly mounted in the housing within the dust suction port, an inner spray pipe is connected to the top of the primary sprayer, a second spray chamber is disposed in the polishing unit body, the second spray chamber is provided with a secondary sprayer, the secondary sprayer comprises a vent channel and a guide hood, the guide hood is fixed within the vent channel, a spray pipe is fixedly mounted at the top of the housing, a circulating tank is fixed to the bottom of the vent channel, and the suction fan and a water separator layer are fixed in the housing. Multiple dust removers are arranged on a polishing wheel of the polishing unit, dust can be effectively collected through the dust suction port just when it is produced, and dust explosion can be avoided effectively by avoiding concentrative dust gathering.

The invention relates to the field of plastic particle hot melting devices, and particularly relates to a plastic particle hot melting device for plastic bag production. The plastic particle hot melting device comprises a main body, a conveying mechanism, a stirring mechanism, a liquid storage mechanism, a spraying mechanism and a quantifying mechanism. Through the arrangement of the conveying mechanism, plastic particles can be automatically conveyed into the main body to be melted, the feeding efficiency is improved, and the labor intensity is reduced; through the arrangement of the stirringmechanism, the plastic particles can be fully melted, and dried plastic can be prevented from adhering to the side wall of the main body; through the arrangement of the liquid storage mechanism, a solvent special for hot melting of plastic can be stored conveniently, the liquid level can be automatically fed back according to the use amount, and thus a user can add the solvent in time conveniently; through the arrangement of the spraying mechanism, the solvent can be evenly sprayed into the main body conveniently, and thus the solvent can be fully melted into the hot melting plastic conveniently; and through the arrangement of the quantifying mechanism, processed materials can be taken quantitatively and conveniently, and thus waste caused by excessive taking is avoided.

The invention discloses a pavement paving and leveling device for highway construction. The pavement paving and leveling device comprises a main control rotating end and a control arm-chair arranged at the upper end of the main control rotating end, three bearing plates, which are arranged at the lower end of the main control rotating end; rolling leveling structures, which are arranged at the front end and the rear end of each bearing plate; a fixed oscillation column,which is arranged below the rolling leveling structure; two crushing rollers, which are arranged below the bearing plates; five movable fine vibration ends, which are arranged at the lower ends of the bearing plates; and spraying cooling structures, which are arranged on the two sides of the main control rotating end. In the using process, by means of mutual cooperation of a multi-rolling structure and a vibration structure, it is guaranteed that a road is flat, the using requirement is met, and the service life is prolonged, so that the problems that the road leveling effect is reduced, the flatness is low, and the service life of the road is shortened are effectively solved.

The invention provides an intelligent closestool capable of achieving automatic disinfection and sterilization, and relates to the technical field of intelligent closestools. A control box is installed on the upper portion of the rear side of the body, and the upper portion of the body is rotationally connected with a toilet seat through a rotating shaft. A transparent liquid storage box is installed on the right side in the control box, a floating pressing mechanism is arranged on the transparent liquid storage box, and a liquid conveying mechanism is arranged in the control box. Through cooperation of a pressing strip, a pressing switch A, a liquid conveying mechanism and a liquid spraying mechanism, manual disinfection and sterilization liquid spraying operation is not needed, disinfection and sterilization liquid spraying can be more timely, then through arrangement of a cleaning part, impurities blocked on the rear sides of heat dissipation holes can be automatically and timely cleaned away, the ventilation effect of the heat dissipation holes is improved, and the practicability is high. The problems that when an existing intelligent closestool is used for disinfection and sterilization, the mode of manually spraying disinfection and sterilization liquid is not timely enough, heat dissipation holes in the rear side of a control box are prone to being blocked by sundries, and the ventilation effect of the heat dissipation holes is reduced are solved.

The invention discloses a seedling cultivation method for forestry ornamental trees, and belongs to the field of ornamental crabapple cultivation. The seedling cultivation method for forestry ornamental trees comprises the following operation steps that S1, bud grafting is carried out on cultivated crabapple varieties in the first ten days of September to the middle ten days of October of the first year to obtain grafted seedlings; S2, in spring of the second year, the grafted seedlings are planted in a large field; S3, later-period management is carried out after grafted seedling buds germinate; S4, the grafted seedlings are transplanted in the third year; S5, trunk determination is carried out according to the cultivation target, and crabapple seedlings are obtained; S6, the transplantedcrabapple seedlings are watered every day within one week and are watered once every week after one week; S7, field management is carried out on the crabapple seedlings; and S8, when the ground diameter of the crabapple seedlings reaches 3-4 cm in the fourth year, the crabapple seedlings can be taken out of a garden. According to the method, under the condition that the cost is not increased, thegrowth characteristics of trees are fully utilized, so that the cultivated seedlings are straight in trunk shape, consistent in height and full in crown shape, and the quality and outplanting rate ofthe seedlings are greatly improved.

The invention provides a high-frequency quenching tool for gusset plates of a gear shifting connecting rod of an automobile transmission. The high-frequency quenching tool for the gussets plate of the gear shifting connecting rod of the automobile transmission is characterized by comprising a gusset plate clamp and a high-frequency quenching sensor; the gusset plate clamp is provided with a supporting plane, the middle of the supporting plane is provided with an arc-shaped groove which is recessed downwards, the supporting plane is provided with a pair of protrusion blocks which are inserted into insertion grooves of gusset plates, the two gusset plates are fixed onto the supporting plate, the arc-shaped working surfaces of the gusset plates face inwards and are symmetrically arranged inside the arc-shaped groove; the high-frequency quenching sensor is fixed onto a high-frequency quenching device, can move vertically along with the device and comprises a water injection pipe at the upper end, the water injection pipe and a spraying box at the lower end are communicated, the spraying box is of an ellipse shape or of a flat shape, the distance of the two side surfaces of the spraying box is slightly smaller than the distance between the arc-shaped working surfaces of the two gusset plates, the two side surfaces of the spraying box correspond with the two working surfaces of the two gusset plates respectively, and a high-frequency quenching magnetizer with a shape similar to the spraying box is arranged above the spraying box.

The invention discloses an extractor hood. An electrostatic device (4) and a cleaning device (3) are arranged in a rack assembly (1) of the extractor hood; the cleaning device comprises a spray head assembly (39) used for spraying and cleaning the electrostatic device and a reciprocating driving mechanism (30) used for driving the spray head assembly to do reciprocating motion; and an oil-proof box (5) is arranged in the extractor hood, and a spray head (395) of the spray head assembly (39) is stored in the oil-proof box at the start position and the final position of the reciprocating motion.According to the extractor hood, the cleaning device capable of achieving automatic cleaning is additionally arranged, and therefore the electrostatic device can be conveniently sprayed and cleaned in time; and when the extractor hood is in the working condition of oil fume extraction, the interior of a cavity is an environment filled with oil fume, the spray head of the spray head assembly of the cleaning device has the function of being capable of resetting into the oil-proof box in time after completing cleaning work, therefore, oil fume environment pollution is avoided, the spray head cannot be plugged, then the using performance of the cleaning device is guaranteed, and the cleaning efficiency is improved.

The invention discloses a breeding system for porcupines. The system is characterized by comprising a pig house and a water drinking tank; the pig house is divided into a front pig house and a rear pig house, the water drinking tank includes a front water-drinking food tank and a rear water-drinking food tank, the front pig house includes a front door and front hardened ground, the front door is provided with the front water-drinking food tank, front filter openings are arranged under the front water-drinking food tank, a front inclined tank is arranged below the front filter openings, a frontdischarging tank communicates with an outlet of the front inclined tank, and the front discharging tank communicates with a front biogas digester; and the rear pig house comprises a middle wall, a rear door and rear hardened ground, a player is arranged on the upper part of the middle wall, and a plurality of high-pressure water pipe heads are arranged on the lower part of the middle wall. The system provided by the invention has the characteristics of being green, environmentally friendly and capable of performing rapid large-scale breeding.

The invention relates to a water drainage device used for municipal rainwater collection, which belongs to the technical field of municipal water drainage facilities. The water drainage device comprises a flower bed, a water guide assembly, a rainwater collecting assembly and a housing, wherein the rainwater collecting assembly comprises a collecting box body mounted on the bottom position of a bottom plate; a rainwater collecting part which communicates with the bottom plate is arranged in the collecting box body; the housing is used for enclosing and protecting the rainwater collecting assembly and the flower bed; a drainage part for draining excessive rainwater in the collecting box body is arranged in the collecting box body; and a spraying part for externally draining, spraying and grouting collected rainwater in the collecting box body is arranged in the collecting box body. The invention aims to provide the water drainage device used for municipal rainwater collection, and the water drainage device can drain and collect rainwater of a municipal flower bed better, also can irrigate the collected rainwater, effectively guarantees survival of municipal green plants, and saves water resources.

The invention relates to a soil restoration system, comprising a base plate, a vibrating device, a crushing device, an earth digging device and a recovery device. device and recovery device, the present invention can solve the following difficult problems existing in existing soil remediation when soil is excavated and broken. The soil is beaten into granules, and manual excavation of the soil is time-consuming and laborious; b. Traditional soil restoration machines need to manually excavate the soil and transport it to the restoration machine. During soil screening, the screening net is often clogged, and manual treatment is troublesome, which can reduce the labor intensity of soil restoration and improve the efficiency of soil restoration.

The invention belongs to the fireproof and fire-fighting field, and particularly relates to construction and a method of an intelligent water spray fire fighting device. A plurality of mobile wireless fire sensor and location marks sense corresponding fire signals sensed on different directions and transmit the signals to a controller. The controller judges and adjusts the direction of a spraying head to aim the spraying head at the direction that a corresponding fire sensor points and a spraying action is implemented, achieving targeted water spraying and fire fighting. A plurality of fire directions are gradually sprayed from a major direction to a minor direction according to the priority level of the plurality of fire directions until fire conditions vanish or manual intervention is achieved. By utilization of the controllable spraying head capable of adjusting directions and by utilization of the intelligent locating spraying mode of fire tracing and locating technology, timely, accurate and effective spraying is achieved; a fast, effective and targeted fire fighting action is performed; the fire fighting efficiency can be improved, and losses caused by fire fighting are greatly reduced.

The invention discoes a circulating flame-retardant device and method for goaf under mined. The device comprises a guide base arranged on a base of a hydraulic support set of a coal mining machine and a spraying device sliding on the guide base in a reciprocating mode, wherein the spraying device sprays a stopping agent to the goaf behind hydraulic supports of the coal mining machine; and a signal induction mechanism used for controlling the spraying device to work is arranged between every two adjacent guide units. The method comprises the following steps of, 1, primarily positioning the spraying device; 2, carrying out forward movement and spraying of the spraying device; 3, reversing a spray head assembly; 4, carrying out reverse movement and spraying of the spraying device; 5, restoring the spray head assembly, and supplementing the spraying of the stopping agent; and 6, circulating the operation until the coal mining operation is finished. When the hydraulic supports of the coal mining machine work, stopping agent spraying is carried out on the goaf behind the hydraulic supports of the coal mining machine in time, so that no dead angle exists in a flame-retardant area of the goaf, safety of coal mining is guaranteed, and application and popularization are facilitated.

The invention relates to an environment-friendly soil remediation treatment method, which mainly includes the following steps, such as excavation operation, crushing treatment, screening operation, recycling treatment and other processes. device and recovery device, the present invention can solve the following difficult problems existing in existing soil remediation when soil is excavated and broken. The soil is beaten into granules, and manual excavation of the soil is time-consuming and laborious; b. Traditional soil restoration machines need to manually excavate the soil and transport it to the restoration machine. During soil screening, the screening net is often clogged, and manual treatment is troublesome, which can reduce the labor intensity of soil restoration and improve the efficiency of soil restoration.

The invention discloses an otolaryngology department clinical medicine spraying device in the technical field of medical instruments. The otolaryngology department clinical medicine spraying device comprises a shell, wherein a liquid inlet is formed in the top end of the shell; a rubber plug is arranged on the liquid inlet; a filter plate is arranged on the upper side of an inner cavity of the shell; an L-shaped pipe is arranged on the lower portion of the right wall of the shell; a transverse pipe of the L-shaped pipe penetrates the right wall of the shell; and a vertical pipe of the L-shapedpipe is positioned on the outer side of the shell. Particles in liquid medicines can be filtered by the filter plate, the liquid medicines can be uniformly sprayed in a pressure supply manner by theaid of structures such as a first motor, the L-shaped pipe, a turntable, a connecting rod, a push-pull rod and a piston rod, the liquid medicines can be heated by an electric heating rod, use body feeling of people is improved, heating speed can be increased by a stirring and cleaning rod, small liquid inlet holes can be cleaned, blockage of the small liquid inlet holes is avoided, a control button is arranged on a spray gun, and liquid medicine spraying starting and stopping processes are more timely.

The invention relates to the technical field of municipal engineering, and discloses a permeable pavement-based temperature regulating and ice and snow melting spraying system, which comprises a deceleration strip pressurizing device, a temperature sensing valve I, a waterproof thin layer, a nozzle, a pressure storage device, a temperature sensing valve II, a snow melting agent box, a triplet floating ball valve, a water storage tank, a filter bag, a water collecting and shunting pipeline and a waterproof bonding layer, the speed bump pressurizing device extrudes air to pressurize the pressure storage device through the pressure of a vehicle on the speed bump, then the pressure is released to the water storage tank to extrude water into the pipeline to be sprayed to the road surface, water is sprayed in summer and snow melting agents are sprayed in winter, and spraying is not conducted at the normal temperature. The self-temperature-sensing, self-spraying, self-collecting and self-draining road surface cooling and ice and snow melting device has the characteristics of self-temperature sensing, self-spraying, self-collecting and self-draining, and can flexibly cool the road surface and melt ice and snow with less manpower.

The invention relates to an intelligent current detection spraying system and a control method of a belt conveyor. A standard current signal reflecting the actual load of a drive motor is connected to an intelligent current detector through a current transformer or a frequency converter I / O board, and the intelligent current detector utilizes The difference between the load current and the no-load current of the driving motor determines the current setting value Isd. After calculation, when the actual load current I≥Isd, the intelligent current detector will delay the connection of the spray circuit through the output module to perform spraying. The delay time is ΔT , the actual current detected by the intelligent current detector must continue to satisfy I≥Isd within ΔT time. When the actual load current I<Isd, the intelligent current detector disconnects the spray circuit through the output module and stops the spraying operation. It has a wide range of applications, has the advantages of low investment, good effect, strong practicability, high intelligence and water saving, effectively protects the surrounding environment, reduces the incidence of silicosis, and ensures safe and civilized production.

The invention discloses a cabinet type fire extinguishing device. The cabinet type fire extinguishing device comprises a cabinet type fire extinguishing agent bottle set, a smoke detector, a temperature detector and a fire alarm controller, wherein the fire alarm controller is in communication connection with the smoke detector, the temperature detector and an electromagnetic driver. The cabinet type fire extinguishing device is small in overall size, convenient to install and high in sensitivity; and when a fire happens, an alarm signal can be sent out in time, a fire extinguishing agent canbe evenly sprayed into a protection area where the fire happens, the fire extinguishing effect is good, spraying at different angles can be met, the fire extinguishing efficiency is improved, and great convenience is brought to fire monitoring and fire extinguishing work of the protection area.