CN115671340A - Space spray disinfection system and design method thereof - Google Patents
Space spray disinfection system and design method thereof Download PDFInfo
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Abstract
The invention provides a space spray disinfection system, which comprises a central control unit, a spray head group, a disinfectant generating mechanism, a booster pump, a compressed air generating mechanism, a tail end controller and a power supply unit, wherein the disinfectant generating mechanism and the booster pump are connected with a liquid input end of the spray head group; the central control unit is electrically connected with the disinfectant generating mechanism, the booster pump and the compressed air generating mechanism so as to control the opening/closing of the disinfectant generating mechanism and the booster pump or adjust the output pressure of the disinfectant generating mechanism and the compressed air generating mechanism; the power supply unit supplies power to all components of the system. The space spray disinfection system adopts high-speed airflow blowing and high-pressure diffusion fog forming technology, can control the particle size of fog drops and the quantity of sprayed amount by adjusting air pressure and liquid supply pressure, reduces the damage to unstable liquid medicine components in atomization, and is easy to control the disinfection effect.
Description
Technical Field
The invention relates to the technical field of space disinfection, in particular to a space spray disinfection system applied to public places or home places and a design method of the system.
Background
Since the early 2020, novel coronavirus epidemic situations are abused globally, and in order to solve the daily disinfection problems of large and medium-sized public hall houses and the like, space disinfection devices and space disinfection systems of various types and sizes emerge like bamboo shoots in spring after rain. At present, the common physical atomization disinfection equipment on the market generally adopts movable spraying equipment, the movable spraying of the spraying is not uniformly distributed, the situation that the liquid medicine damages articles in a space can occur when the spraying amount is too large, and the disinfection requirement can not be met when the spraying amount is small; on the other hand, most of the mobile spraying equipment is moved by the back of a person or pulled by a vehicle, the equipment is heavy when the loading amount is large, the medicine needs to be added frequently when the loading amount is small, and the operation is inconvenient; moreover, the particle size of the fog drops of the existing spraying equipment is too large, the idle time is short, the pesticide effect cannot be fully utilized, the disinfection efficiency is low, the descending fog drops can wet the ground or the surface of an object, inconvenience is brought to people who are about to enter the disinfection space, the risk of slipping is increased, and the damage to the health of disinfection operators is easily caused.
In order to solve the above problems, the applicant of the present invention has paid extensive research and has made the present invention.
Disclosure of Invention
The invention mainly aims to provide a space spray disinfection system and a design method of the space spray disinfection system, and aims to solve the problems of uneven spray distribution, short dead time, low medicine utilization rate, easy ground pollution and inconvenient operation in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the space spraying disinfection system comprises a central control unit, a spray head group, a disinfectant liquid generating mechanism, a booster pump, a compressed air generating mechanism, a tail end controller and a power supply unit, wherein the tail end controller corresponds to the spray head group; the central control unit is respectively and electrically connected with the disinfectant generating mechanism, the booster pump and the compressed air generating mechanism so as to control the opening and closing of the booster pump and the compressed air generating machine and monitor and adjust the output pressure of the booster pump and the compressed air generating machine in real time; the power supply unit supplies power to all components of the space spray disinfection system.
Further, the central control unit comprises a processing module, and a receiving module, a comparing module and a transmitting module which are respectively connected with the processing module, wherein:
the receiving module is used for receiving real-time monitoring data transmitted by monitoring components of all components of the system and transmitting the real-time monitoring data to the processing module;
the processing module is used for processing the received real-time monitoring data and transmitting the processed data to the comparison module, and is also used for receiving comparison result data from the comparison module and sending a control instruction according to the received comparison result;
the comparison module is used for comparing the received standardized data with a preset standard value and returning a comparison result to the processing module;
and the transmitting module is used for transmitting the control instruction generated by the processing module to the corresponding component.
Further, the central control unit still include with the self-checking module that processing module connects, the self-checking module is in the central control unit circular telegram back is started to with each component that the central control unit is connected sends the self-checking instruction, each component responds this self-checking instruction and carries out the self-checking, and returns the self-checking result the self-checking module, when all components all self-checking is normal, then by the central control unit control starts the booster pump with oil-free air compressor machine.
Further, the end controller including set up in the hydraulic pressure sensor and the hydraulic pressure adjustment mechanism of the liquid input end of shower nozzle group and set up in the baroceptor and the baroceptor adjustment mechanism of the gas input end of shower nozzle group, all pressure sensors and pressure adjustment mechanism all with the central control unit electricity is connected, hydraulic pressure sensor is used for real-time supervision to carry for the pressure of the antiseptic solution of shower nozzle group, baroceptor is used for real-time supervision to carry for the pressure of the compressed air of shower nozzle group to transmit hydraulic data and the baroceptor data of monitoring for the central control unit, the central control unit compares with preset pressure data after receiving pressure data, and carries out pressure control according to corresponding baroceptor or the hydraulic pressure adjustment mechanism of comparison result control.
The space spraying disinfection system further comprises a temperature and humidity sensor arranged in the disinfection space, the temperature and humidity sensor is electrically connected with the central control unit, the temperature and humidity sensor is used for monitoring the temperature and the relative humidity of the disinfection space in real time and transmitting the monitored temperature and the monitored relative humidity of the disinfection space to the central control unit in real time, and the central control unit calculates and obtains an absolute humidity value of the disinfection space after receiving the temperature and relative humidity data, compares the absolute humidity value with preset absolute humidity data and judges the disinfection operation process of the space spraying disinfection system according to a comparison result; meanwhile, the processor can also compare the absolute humidity data obtained by calculation with the absolute humidity value obtained by last calculation, and judge whether the sprayer group in the sterilizing space works normally or not according to the comparison result.
Further, the compressed air generating mechanism is an oil-free air compressor; the disinfectant generating mechanism is a hypochlorous acid disinfectant generating mechanism and comprises a hypochlorous acid disinfectant generator, and a water storage tank, a carbon dioxide gas cylinder and a sodium hypochlorite stock solution tank which are respectively connected with the hypochlorous acid disinfectant generator, wherein the water storage tank, the carbon dioxide gas cylinder and the sodium hypochlorite stock solution tank respectively convey purified water, carbon dioxide gas and sodium hypochlorite stock solution stored in the water storage tank, the carbon dioxide gas cylinder and the sodium hypochlorite stock solution tank into the hypochlorous acid disinfectant generator through pipelines.
Furthermore, the input end of the water storage tank is connected with the output end of a water making machine through a pipeline, the input end of the water making machine is connected with a water supply port of a tap water pipeline, the water making machine is an RO water purification machine, and a waste water port of the water making machine and a waste material port of the hypochlorous acid disinfectant generator are respectively connected with a drainage pipeline; water level gauges are respectively arranged in the water storage tank and the sodium hypochlorite stock solution tank, an output pressure sensor is arranged at the output end of the carbon dioxide gas cylinder, and the water level gauges and the output pressure sensor are electrically connected with the central control unit.
Further, the hypochlorous acid disinfectant generating mechanism further comprises a gas-liquid mixer, the gas-liquid mixer is respectively connected with the water storage tank and the carbon dioxide gas cylinder, and pure water and carbon dioxide gas stored in the water storage tank and the carbon dioxide gas cylinder are mixed in the gas-liquid mixer and then are conveyed into the hypochlorous acid disinfectant generator; and the output end of the carbon dioxide gas cylinder is provided with a constant-pressure throttle valve so as to control the gas quantity input into the gas-liquid mixer by the carbon dioxide gas cylinder.
Further, the booster pump is a plunger pump; an electronic flow meter and a second liquid pressure sensor which are respectively and electrically connected with the central control unit are arranged between the output end of the booster pump and the liquid input end of the spray head group, the electronic flow meter is used for measuring the instantaneous flow and the total flow of the disinfectant passing through the electronic flow meter in the whole disinfection process, and the instantaneous flow and the total flow are transmitted to the central control unit for judging whether a disinfectant generating mechanism and the spray head group contained in the space spray disinfection system work normally or not; the second liquid pressure sensor is used for monitoring the liquid pressure output from the booster pump.
Furthermore, the space spray disinfection system comprises a plurality of spray head groups, each spray head group is arranged in an independent disinfection space, each spray head group comprises a plurality of atomizing spray heads, the atomizing spray heads are connected between the liquid input end and the gas input end of the spray head group in parallel, each spray head group is correspondingly provided with a tail end controller electrically connected with the central control unit, the tail end controllers of the same space spray disinfection system work independently, and the number of the atomizing spray heads in each spray head group is the same or different.
Further, the plurality of nozzle groups alternately perform the sterilization operation under the control of the central control unit, and in the same time period, the central control unit only sends the sterilization command to one or more nozzle group end controllers in the plurality of nozzle groups, and other nozzle groups which do not receive the sterilization command are controlled by the end controller corresponding to the nozzle group to keep the shutdown state.
Furthermore, the present invention provides a method of designing a space spray disinfection system as described above, comprising the steps of:
s01, setting the spray concentration C1 of the space spray disinfection system, the spraying time length T of single disinfection of a spray nozzle in the disinfection space and the disinfection times D all day, wherein the spray concentration C1 is 5-10 ml/m 3 ；
S02, calculating the amount Q2 of a single disinfection and sterilization liquid in a disinfection and sterilization space, the total amount Q2 of the disinfection and sterilization liquid in a whole day and the amount A of the disinfection liquid sprayed out of the space every minute according to the set spraying concentration C1;
s03 obtaining the using amount Q2 of the single disinfection and sterilization liquid or the total using amount Q2 of the disinfection and sterilization liquid in the whole day according to the step S02 General (1) The specification of the disinfectant generating mechanism is selected,the real-time capacity of the disinfectant of the selected disinfectant generating mechanism is 1.2 times larger than the using amount Q2 of a single disinfecting and sterilizing disinfectant, or the daily capacity of the hypochlorous acid disinfectant generating mechanism is larger than the total using amount Q2 of the disinfecting and sterilizing disinfectant all day General assembly Meanwhile, a liquid storage tank with the capacity not less than the dosage Q2 of the single disinfection disinfectant is arranged between the hypochlorous acid disinfectant generating mechanism and the booster pump;
s04, selecting the type of the atomizing spray heads according to the liquid amount A of the disinfectant sprayed out of the space per minute, determining the number N of the atomizing spray heads, wherein the liquid amount A is less than or equal to the sum of the calibrated spraying amounts of the plurality of atomizing spray heads, and calculating the gas consumption Q1 of each type of the space spraying disinfection system;
s05, selecting an air compressor according to the air consumption Q1 of each category of the space spraying disinfection system in the step S04, wherein the compressed air capacity of the selected compressed air generating mechanism is 1.2 times greater than the air consumption Q1 of each category of the space spraying disinfection system;
s06, calculating the pipe diameters of the gas conveying pipeline and the liquid conveying pipeline in the space spray disinfection system, and rounding up and selecting a standard series of pipelines according to the calculation result.
Further, the single sterilizing liquid dosage Q2 of the space spray sterilizing system in the step S02 is obtained by the following formula:
Q2＝S×h×C1
wherein S is the area of the space to be disinfected, h is the height of the space to be disinfected, and C1 is the spray concentration of the space spray disinfection system determined in the step S02; the total daily dose in the step S02
The total dosage Q2 of the disinfectant General assembly Obtained via the following formula:
Q2 general (1) ＝Q2×D
Wherein Q2 is the dosage of the single disinfection and sterilization liquid, and D is the disinfection times per day; in the step S02
The space to be disinfected and killed has a spray volume per minute A obtained by the following formula:
wherein Q2 is the using amount of the disinfectant for single disinfection, and T is the accumulated spraying time of the single disinfection of the spray head.
Further, the gas consumption Q1 of each minute of the space spray disinfection system in the step S04 is obtained through the following formula:
Q1＝Q sheet ×N
Wherein Q Sheet Is the gas consumption of a single atomizer, and N is the number of atomizers determined in the step S03.
Further, the pipe diameter D1 of the gas conveying pipeline and the pipe diameter D2 of the liquid conveying pipeline in the step S06 are respectively obtained through the following formulas:
wherein V1 is the maximum flow velocity of the gas in the gas conveying pipeline VI =15m/s, and V2 is the maximum flow velocity of the liquid in the liquid conveying pipeline V2=1m/s.
Further, when the space to be sterilized is composed of a plurality of independent sterilizing spaces, each independent sterilizing space is provided with a spray head group, and at this time, the design method of the space spray sterilizing system further comprises the following steps:
s01' setting spray concentration C1i, spray time length T of single disinfection in each independent disinfection space and disinfection times D all day, wherein the spray concentration C1 is 5-10 ml/m 3 ；
S02' according to the set spray concentration Cl i Calculating the amount Q2 of the single disinfectant in the corresponding independent disinfecting space i And the amount of spray A per minute in the space i ；
S03' calculation of all independent killing spacesThe dosage Q2 of the disinfectant for single disinfection and sterilization and the total dosage Q2 of the disinfectant for total daily disinfection and sterilization General assembly And the amount A of the sprayed disinfectant liquid in the space per minute, wherein,
Q2 general assembly ＝Q2×D，
Selecting the specification of the disinfectant generating mechanism according to the calculation result, wherein the disinfectant capacity of the selected disinfectant generating mechanism is 1.2 times larger than the total disinfectant consumption Q2
S04' aiming at each independent killing space, according to the spray quantity A i Selecting the type of the atomizing nozzles according to the spatial characteristics, determining the number N of the atomizing nozzles, and determining the spraying amount A i Less than the sum of the spraying amount of the plurality of atomizing nozzles, and calculating the total gas consumption Q1 of each independent sterilizing space i ；
S05', calculating the total consumption Q1 of disinfectant in all independent disinfection spaces, selecting an air compressor according to the calculation result, wherein,
the compressed air capacity of the selected compressed air generating mechanism is 1.2 times greater than the total air consumption Q1;
s06' calculates the pipe diameter of each conveying pipeline corresponding to each independent killing space aiming at each independent killing space.
Compared with the prior art, the space spray disinfection system has the following advantages: firstly, the space spray disinfection system adopts high-speed airflow blowing and high-pressure diffusion fog forming technology, can control the size of the particle size of fog drops and the amount of sprayed drops by adjusting air pressure and liquid supply pressure, reduces the damage to unstable liquid medicine components in atomization, and is easy to control the disinfection effect; secondly, a plurality of sensors and adjusting mechanisms are arranged in the space spraying disinfection system, so that various feedback data can be obtained in real time, and after the operation and data processing of the central control unit, the real-time judgment of the working condition of the space spraying disinfection system and the automatic control of the working condition of the space spraying disinfection system can be realized, the wet surface phenomenon is avoided, and the harm to the space spraying disinfection system caused by too much disinfecting spray inhaled by people and livestock on site is also avoided; thirdly, this system disposes antiseptic solution and takes place the mechanism, and the used antiseptic solution of killing is prepared as required, and the guarantee liquid medicine is fresh high-efficient, and simultaneously, the RO water purification machine in this antiseptic solution takes place the mechanism can guarantee that the system does not block up, does not block stagnation, provides the guarantee of long-term steady operation for the system.
Drawings
The above and other objects, features and advantages of the present invention will be apparent from the following description of the preferred embodiments illustrating the subject matter of the invention and its use, and the accompanying drawings in which:
FIG. 1 is a schematic diagram of a preferred embodiment of the space spray sterilization system of the present invention;
FIG. 2A shows a block diagram of the central control unit according to the present invention;
FIG. 2B shows a block diagram of a further preferred embodiment of the central control unit according to the present invention;
FIG. 3 shows a schematic structural view of yet another preferred embodiment of the space spray sterilization system of the present invention;
fig. 4 shows a schematic structural diagram of the disinfecting liquid generating mechanism of the invention.
[ description of main element symbols ]
Disinfectant generating mechanism 1
Hypochlorous acid disinfectant generator 11 water storage tank 12
Carbon dioxide gas cylinder 13 sodium hypochlorite stock solution tank 14
Processing module 21 receiving module 22
Comparison module 23 transmission module 24
Self-test module 25
Liquid input end 32 of atomizer 31
Electronic flowmeter 41 second liquid pressure sensor 42
Oilless air compressor 5
Compressed gas storage tank 51
Temperature and humidity sensor 7
Liquid conveying pipe 81 and gas conveying pipe 82
Detailed Description
The technical solution of the embodiment of the space spray disinfection system according to the present invention will be clearly and completely described below with reference to the drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present invention.
As shown in fig. 1, which shows a schematic view of the structure of the space spray disinfection system according to the invention, wherein the space spray disinfection system comprises a disinfectant generating mechanism 1, a central control unit 2, 1 spray head group 3, a booster pump 4, a compressed air generating mechanism, a tail end controller 6 and a power supply unit (not shown in the figure), wherein the output end of the disinfectant generating mechanism 1 is connected with the input end of the booster pump 4 through a liquid conveying pipeline 81, the output of the booster pump 4 and the liquid input of the set of nozzles are also connected via a liquid delivery line 81, the output of the compressed air generating means is connected to the gas input of the jet stack via a gas feed line 82, in fig. 1, arrows are marked on the liquid delivery pipe 81 and the gas delivery pipe 82, to identify the gas or liquid flow direction in the delivery line, the end controller 6 comprises a hydraulic pressure sensor 61 and a hydraulic pressure regulating mechanism 62 arranged at the liquid input 32 of the group of nozzles and a gas pressure sensor 63 and a gas pressure regulating mechanism 64 arranged at the gas input 33 of the group of nozzles, each of which is electrically connected to the central control unit, the hydraulic sensor 61 is used for monitoring the pressure of the disinfectant delivered to the nozzle group 3 in real time, the air pressure sensor 63 is used to monitor in real time the pressure of the compressed air delivered to the group of nozzles 3, and transmits the monitored hydraulic data and pneumatic data to the central control unit 2, the central control unit 2 compares the pressure data with the preset pressure data after receiving the pressure data, and controls the corresponding hydraulic pressure adjusting mechanism 62 or air pressure adjusting mechanism 64 to adjust the pressure according to the comparison result; the central control unit 2 is also electrically connected with the disinfectant generating mechanism 1, the booster pump 4 and the compressed air generating mechanism respectively so as to control the opening and closing of the disinfectant generating mechanism 1, the booster pump 4 and the compressed air generating mechanism, and meanwhile, the central control unit is also used for monitoring and adjusting the output pressure of the booster pump 4 and the compressed air generating mechanism in real time; the power supply unit provides electric energy for the disinfectant generating mechanism 1, the central control unit 2, the booster pump 4, the compressed air generating mechanism and the tail end controller 6 of the space spray disinfection system.
Further, fig. 2A shows a block diagram of the central control unit 2 in the space spray disinfection system shown in fig. 1, in the central control unit 2 shown in fig. 2, the central control unit 2 further comprises a processing module 21 and a receiving module 22, a comparing module 23 and a transmitting module 24 respectively connected to the processing module 21, in the specific embodiment of monitoring and adjusting the pressure of the compressed air and the disinfectant inputted into the nozzle group 3 via the central control unit 2, the receiving module 22 is configured to receive the disinfectant liquid pressure and the compressed air pressure data inputted into the corresponding nozzle group 3 monitored by the hydraulic pressure sensor 61 and the air pressure sensor 63 of the end controller 6 and transmit the received data to the processing module 21; after receiving the disinfectant liquid pressure and compressed air pressure data sent by the receiving module 22, the processing module 21 performs data processing (such as filtering, amplification, and the like) on the disinfectant liquid pressure and compressed air pressure data, and then transmits the processed data to the comparing module 23; the comparison module 23 compares the received data processed by the processing module with the preset and stored standard values of the pressure of the disinfectant liquid input by the nozzle group and the pressure of the compressed air input by the nozzle group in the memory of the comparison unit, and returns the comparison result to the processing module 21; after receiving the comparison result fed back by the comparison module, the processing module 21 performs the following analysis on the comparison result: if the disinfectant liquid pressure monitored by the hydraulic sensor 61 is greater than the standard disinfectant liquid pressure value input by the nozzle group, generating a pressure regulating instruction for the hydraulic regulating mechanism 62, and instructing the hydraulic regulating mechanism 62 to downwards regulate the input pressure; if the disinfectant liquid pressure monitored by the hydraulic sensor 61 is less than the disinfectant liquid pressure standard value input by the nozzle group, generating a pressure regulating instruction for the hydraulic regulating mechanism 62, and instructing the hydraulic regulating mechanism 62 to increase the input pressure upwards; if the pressure of the compressed air monitored by the air pressure sensor 63 is greater than the standard value of the pressure of the compressed air input by the nozzle group, generating a pressure regulating instruction for the air pressure regulating mechanism 64, and instructing the air pressure regulating mechanism 64 to reduce the input pressure; if the pressure of the compressed air monitored by the air pressure sensor 63 is less than the standard value of the pressure of the compressed air input by the nozzle group, generating a pressure regulating instruction for the air pressure regulating mechanism 64, and instructing the air pressure regulating mechanism 64 to increase the input pressure upwards; finally, the central processing unit sends the pressure regulating instruction generated by the processing module 21 to the corresponding hydraulic pressure regulating mechanism 62 and/or air pressure regulating mechanism 64 by means of the transmitting module 24.
Further, the central control unit 2 further comprises a timer for timing the working time of the space spray disinfection system, and when the space spray disinfection system starts to work (the disinfectant generating mechanism 1, the booster pump 4 and the compressed air generating mechanism are all started), the timing starts; when the space spraying disinfection system stops working (one or more of the disinfectant generating mechanism 1, the booster pump 4 and the compressed air generating mechanism are closed), timing is suspended, and when the power supply unit is powered off, the timer is reset.
In a preferred embodiment of the central control unit 2, the processing module 21 uses the following strategy in analyzing the received comparison results: if the disinfectant liquid pressure monitored by the hydraulic sensor 61 is greater than 110% of the standard disinfectant liquid pressure value input by the nozzle group, generating a pressure regulating instruction for the hydraulic regulating mechanism 62, and instructing the hydraulic regulating mechanism 62 to downwards regulate the input pressure; if the disinfectant liquid pressure monitored by the hydraulic sensor 61 is less than 90% of the standard disinfectant liquid pressure input by the nozzle group, a pressure regulating instruction for the hydraulic regulating mechanism 62 is generated, and the hydraulic regulating mechanism 62 is instructed to increase the input pressure upwards; if the pressure of the compressed air monitored by the air pressure sensor 63 is greater than 110% of the standard value of the pressure of the compressed air input by the nozzle group, generating a pressure regulating instruction for the air pressure regulating mechanism 64, and instructing the air pressure regulating mechanism 64 to reduce the input pressure; if the pressure of the compressed air monitored by the air pressure sensor 63 is less than 90% of the standard value of the pressure of the compressed air input by the nozzle group, a pressure regulating instruction for the air pressure regulating mechanism 64 is generated, and the air pressure regulating mechanism 64 is instructed to increase the input pressure upwards. In the embodiment, the dynamic balance characteristic of the whole system is fully considered, and a certain self-error-correction space is provided for the system, so that the design of the system is more reasonable, and the operation is smoother.
Preferably, in the implementation as shown in fig. 1, the booster pump 4 is configured as a plunger pump; an electronic flowmeter 41 electrically connected with the central control unit 2 is arranged between the output end of the booster pump 4 and the liquid input end of the sprayer group. The electronic flow meter 41 is used for measuring the instantaneous flow and the total flow of the disinfectant passing through the electronic flow meter 41 in the whole disinfection process, and the instantaneous flow and the total flow are transmitted to the central control unit to judge whether a disinfectant generating mechanism and a nozzle group included in the space spray disinfection system work normally; specifically, after receiving the total flow value of the disinfectant passing through the electronic flow meter 41 at the current disinfection time sent by the electronic flow meter 41, the central control unit compares the total flow value with the calibrated total liquid injection amount Q3 of each spray head at the current disinfection time, and if the difference value between the total flow value and the calibrated total liquid injection amount Q3 is within the range of Q3 ± 10% of the calibrated total liquid injection amount Q3, it determines that the spray head group in the space spray disinfection system is working normally; if the difference value between the total flow value and the calibrated total liquid spray quantity Q3 is not within the range of +/-10% of the calibrated total liquid spray quantity Q3, judging that the spray head group in the space spray disinfection system is in failure, wherein,
k is the total number of the atomizing spray heads in the space spray disinfection system, Q Mark i The calibrated amount of the spray liquid, t, for the ith atomizer i The working time of the ith atomizer in the current killing operation is recorded and fed back by a timer in the central controller.
As shown in fig. 3, which shows a further preferred embodiment of the space spray disinfection system of the present invention, in this embodiment, the space spray disinfection system is used in a building having three independent disinfection spaces, specifically, the space spray disinfection system comprises a disinfectant liquid generation mechanism 1, a central control unit 2, 3 spray head groups 3, a booster pump 4, an oil-free air compressor 5, 3 end controllers 6 corresponding to the spray head groups 3 one by one, 3 temperature and humidity sensors 7, and a power supply unit (not shown), wherein an output end of the disinfectant liquid generation mechanism 1 is connected to an input end of the booster pump 4 via a liquid delivery pipe 81, output ends of the booster pump 4 are connected to liquid input ends of the 3 spray head groups via the liquid delivery pipe 81, output ends of the air compressor 5 are connected to gas input ends of the spray head groups via a gas delivery pipe 82, in fig. 3, arrows are marked on the liquid delivery pipe 81 and the gas delivery pipe 82 to identify that gas or liquid in the delivery pipe is flowing to each spray head group disposed in an independent disinfection space, each spray head group 3 includes a plurality of spray head groups 3 connected to the liquid input end controllers 31, and the oil-free air compressor 3 is connected to the liquid input end controllers 31 in parallel, and the atomized liquid input ends of the spray head groups 31 are connected to the central spray head groups 31, a plurality of end controllers 6 included in the same space spray disinfection system work independently, each of the end controllers 6 includes a hydraulic sensor 61 and a hydraulic adjusting mechanism 62 which are arranged at the liquid input end 32 of the corresponding nozzle group, and an air pressure sensor 63 and an air pressure adjusting mechanism 64 which are arranged at the gas input end 33 of the corresponding nozzle group, each of the pressure sensors and the pressure adjusting mechanisms in each of the end controllers 6 is electrically connected with the central control unit, the hydraulic sensor 61 is used for monitoring the pressure of the disinfection liquid delivered to the corresponding nozzle group 3 in real time, the air pressure sensor 63 is used for monitoring the pressure of the compressed air delivered to the corresponding nozzle group 3 in real time and transmitting the monitored hydraulic data and air pressure data to the central control unit 2, the central control unit 2 compares the pressure data with preset pressure data after receiving the pressure data, and controls the corresponding hydraulic adjusting mechanism 62 or air pressure adjusting mechanism 64 to adjust the pressure according to the comparison result; the central control unit 2 is also electrically connected with the disinfectant generating mechanism 1, the booster pump 4 and the oil-free air compressor 5 respectively so as to control the opening and closing of the disinfectant generating mechanism 1, the booster pump 4 and the compressed air generating mechanism, and meanwhile, the central control unit is also used for monitoring and adjusting the output pressure of the booster pump 4 and the compressed air generating mechanism in real time; the power supply unit provides electric energy for the disinfectant generating mechanism 1, the central control unit 2, the booster pump 4, the oil-free air compressor 5 and the tail end controller 6 of the space spray disinfection system.
In the embodiment shown in fig. 1, a compressed gas storage tank 51 is additionally provided between the output end of the oil-free air compressor 5 and the gas input end of the atomizer 31 to temporarily store compressed gas.
As described above, in the embodiment shown in fig. 3, the temperature and humidity sensor is further disposed in each independent sterilizing space, so that not only can the humidity condition in the sterilizing space be further monitored and the operating state of the space spray disinfection system be accurately adjusted, but also the extreme condition of double failures of the nozzle group and the end controller can be effectively prevented, and the 'wet' condition in the sterilizing space can be prevented. The temperature and humidity sensor 7 is electrically connected with the central control unit 2, the temperature and humidity sensor 7 is used for monitoring the temperature and the relative humidity of the sterilizing space in real time and transmitting the monitored temperature and the monitored relative humidity of the sterilizing space to the central control unit 2 in real time, and after receiving the temperature and relative humidity data, the central control unit 2 calculates to obtain the absolute humidity value of the sterilizing space and compares the absolute humidity value with the preset absolute humidity data, and judges the working condition of sterilizing operation according to the comparison result; meanwhile, the processor 21 compares the absolute humidity data obtained by calculation with the absolute humidity value obtained by the previous calculation, and judges whether the nozzle group in the sterilizing space works normally according to the comparison result.
Further, the central control unit 2 is used for the power-on self-test of the whole space spray disinfection system, in addition to the end controller 6 for controlling the corresponding disinfection liquid pressure and compressed air pressure data input into the spray head group 3 as described above, specifically, as shown in fig. 2B, the central control unit 2 includes a processing module 21, and a receiving module 22, a comparing module 23, an emitting module 24, and a self-test module 25 connected to the processing module 21, respectively, specifically, when the components of the space spray disinfection system are powered by the power supply unit, the self-test module 25 in the central control unit 2 is activated, and sends a self-test instruction to the components connected to the central control unit 2 (including but not limited to the disinfection liquid generating mechanism 1, the booster pump 4, the oil-free air compressor 5, the end controller 6, and the temperature and humidity sensor 7), and the components perform self-test in response to the self-test instruction and return the self-test result to the self-test module 25, and when all the components are self-tested normally, the central control unit 2 activates the disinfection liquid generating mechanism, the oil-free air compressor 4, and the booster pump 5.
Further, the central control unit 2 is further configured to receive real-time temperature data and real-time relative humidity data of each independent killing space sent by the temperature and humidity sensor 7, and determine whether the nozzle group corresponding to each independent killing space is working normally according to the received data. Specifically, the receiving module 22 of the central control unit 2 is configured to receive real-time temperature data and real-time relative humidity data in the corresponding independent killing space, which are monitored by the temperature and humidity sensors 7 installed in each independent killing space, and transmit the received data to the processing module 21, and simultaneously transmit the received data to the processing module 21, where the data also includes working time parameters of the nozzle group corresponding to the temperature data and the relative humidity data; after receiving the temperature data and the relative humidity data sent by the receiving module 22, the processing module 21 converts the temperature data and the relative humidity data to obtain the absolute moisture content of the sterilization space in the working time of the corresponding nozzle group, and then transmits the processed data to the comparing module 23; the comparison module 23, after receiving the data processed by the processing module, performs the following comparisons: firstly, comparing the humidity value with a preset space humidity value in a saturated state stored in a memory of the comparison unit, then comparing the absolute humidity value at a time point on the humidity value, and returning the comparison result to the processing module 21; after receiving the comparison result fed back by the comparison module, the processing module 21 performs the following analysis on the comparison result: if the absolute moisture content is greater than 95% of the spatial humidity value in the saturated state, it indicates that the concentration of the disinfectant in the disinfection space is close to saturation, a warning instruction for the transmitting module 24 is generated, and the transmitting module 24 is instructed to send out a prompt that the humidity in the space is close to saturation; if the absolute moisture content is equal to or greater than the spatial humidity value in the saturated state, indicating that the concentration of the disinfectant in the disinfection space reaches the saturated state, generating a shutdown instruction for the power supply unit, instructing the power supply unit to stop supplying power to the end controller 6 corresponding to the disinfection space, and stopping the operation of the end controller 6; if the absolute moisture content is less than or equal to the absolute moisture content value at the previous time point, it may be determined that the corresponding nozzle group and the end controller have a fault, and then an alarm instruction for the emitter module 24 is generated to instruct the emitter module 24 to issue an alarm "humidity change is abnormal, the end controller of the nozzle group is to be inspected"; finally, the transmitting module 24 sends the voltage regulating instruction generated by the processing module 21 to the power supply unit or the transmitting module 24 responds directly.
Preferably, the transmitting module 24 is connected to a working condition indicator light for displaying the prompts of "humidity in space is close to saturation", "humidity changes are abnormal, and the controller at the end of the nozzle group is to be checked", etc.
In the embodiment of the space spray disinfection system shown in fig. 3, the number of the atomizing spray heads 31 included in each spray head group 3 is different, the number of the spray heads of the spray head group 3 installed in the first sterilizing space is 3, and the number of the spray heads of the spray head group 3 installed in the second sterilizing space is 2.
Further, in order to ensure that the amount of disinfectant, the pressure of disinfectant, the amount of compressed air, and the pressure of compressed air input to the corresponding head group 3 are sufficient and stable when each disinfection space is disinfected, the plurality of head groups 3 alternately perform disinfection operations under the control of the central control unit 2, and in the same time period, the central control unit 2 sends a disinfection command to only one head group end controller of the 3 head groups, and other head groups which do not receive the disinfection command are controlled by the end controller corresponding to the head group to maintain a shutdown state.
As shown in fig. 4, it shows a specific embodiment of the disinfectant liquid generating mechanism of the present invention, wherein the disinfectant liquid generating mechanism is a hypochlorous acid disinfectant liquid generating mechanism, which includes a hypochlorous acid disinfectant liquid generator 11, and a water storage tank 12, a carbon dioxide gas cylinder 13, and a sodium hypochlorite raw liquid tank 14 connected to the chloric acid disinfectant liquid generator 11, respectively, the water storage tank 12, the carbon dioxide gas cylinder 13, and the sodium hypochlorite raw liquid tank 14 respectively transport the purified water, the carbon dioxide gas, and the sodium hypochlorite raw liquid stored therein to the hypochlorous acid disinfectant liquid generator 11 through pipelines, and the following chemical reactions occur in the hypochlorous acid disinfectant liquid generator 11:
2NaClO+CO 2 +H2O＝Na 2 CO 3 +2HClO。
in this embodiment, in order to monitor the liquid levels in the water storage tank 12 and the sodium hypochlorite raw liquid tank 14 in real time and perform liquid replenishment in time, water level meters are respectively arranged in the water storage tank 12 and the sodium hypochlorite raw liquid tank 14; similarly, in order to monitor the gas storage amount in the carbon dioxide gas cylinder 13 in real time, an output end of the carbon dioxide gas cylinder 13 is provided with an output pressure sensor, the water level gauge and the output pressure sensor are electrically connected with the central control unit 2, and the central control unit 2 can process and compare the relevant data collected by the water level gauge and the output pressure sensor, and prompt maintenance personnel of the space spraying disinfection system to perform liquid supplementing and gas supplementing maintenance according to the comparison result.
Preferably, the concentration of the spray liquid prepared by the hypochlorous acid disinfectant generating mechanism is between 100 and 200 ppm.
Preferably, the water storage tank 12 in the above embodiment is supplied with water from a tap water line, but since the tap water contains many impurities such as inorganic salts, heavy metal ions, organic substances, colloids, bacteria, viruses, etc., it cannot be directly used for preparing the hypochlorous acid disinfectant, the input end of the water storage tank 12 is connected to the output end of the water generator 15 through a pipeline, and the input end of the water generator 15 is connected to the water supply port of the tap water line, in a preferred embodiment of the present invention, the water generator 15 is an RO water purifier, and the wastewater generated by the RO water purifier is discharged from the water discharge pipeline through a wastewater port, and is connected to the waste port of the hypochlorous acid disinfectant generator 11.
Further, the hypochlorous acid disinfectant generating mechanism further comprises a gas-liquid mixer 16, the gas-liquid mixer 16 is respectively connected with the water storage tank 12 and the carbon dioxide gas cylinder 13, and pure water and carbon dioxide gas stored in the water storage tank 12 and the carbon dioxide gas cylinder 13 are mixed by the gas-liquid mixer 16 and then are conveyed into the hypochlorous acid disinfectant generator 11; the output end of the carbon dioxide gas bottle 13 is provided with a constant-pressure throttling valve, so that the constant-pressure throttling valve supplies gas to the gas-liquid mixer in a micro-scale manner, the gas quantity input into the gas-liquid mixer 16 by the carbon dioxide gas bottle 13 is controlled, and the carbon dioxide gas is prevented from being excessively fed into a disinfectant generating mechanism to generate other chemical reactions.
As shown in fig. 3, a second liquid pressure sensor 42 electrically connected with the central controller is further disposed between the output end of the booster pump 4 and the liquid input end of the nozzle group. The second liquid pressure sensor is used for collecting the pressure of the disinfectant liquid passing through the liquid pressure sensor, the collected pressure value of the disinfectant liquid is transmitted to the central control unit and is compared with the set pressure value of the disinfectant liquid, and the central controller adjusts the rotating speed of the booster pump 4 according to the comparison result, so that the aim that the disinfectant can be output at stable pressure is fulfilled.
Further, in order to make the space spraying disinfection system as described above be applicable to different disinfection spaces, the specific specifications/sizes of the pipe diameters of the main components in the space spraying disinfection system, such as the disinfectant generating mechanism, the compressed air generating mechanism, the atomizing nozzles at the nozzle group, and the gas delivery pipe and the liquid delivery pipe in the space spraying disinfection system, can be "tailored" according to the actual conditions of the specific disinfection space and the disinfection requirements, thereby achieving a balance between the disinfection effect and the cost saving.
In order to achieve the above technical effects, the present invention further provides a design method of the space spray disinfection system as described above, the design method comprising the steps of:
s01, setting the spray concentration C1 of the space spray disinfection system, the spraying time T for single disinfection of a spray nozzle in the disinfection space and the disinfection times D all day, wherein the spray concentration C1 is 5-10 ml/m in general 3 ；
S02, calculating the using amount Q2 of the disinfectant for single disinfection in the disinfection space and the total using amount Q2 of the disinfectant for all-day disinfection according to the set spray concentration C1 General assembly And the amount A of disinfectant sprayed out of the space every minute;
s03, according to the single disinfectant dosage Q2 obtained in the step S02 or the total disinfectant dosage Q2 for killing all day General assembly Selecting the specification of a disinfectant generating mechanism, wherein the real-time capacity of the disinfectant of the selected disinfectant generating mechanism is 1.2 times larger than the dosage Q2 of a single disinfectant, or the daily capacity of the hypochlorous acid disinfectant generating mechanism is larger than the dosage Q2 of the daily disinfectant General (1) Meanwhile, a liquid storage tank 17 with the capacity not less than the dosage Q2 of single disinfectant is arranged between the hypochlorous acid disinfectant generating mechanism and the booster pump 4;
s04, selecting the type of the atomizing nozzles 31 according to the liquid amount A of the disinfectant sprayed out of the space per minute, determining the number N of the atomizing nozzles 31, wherein the spraying amount A is less than or equal to the sum of the calibrated spraying amounts of the plurality of atomizing nozzles 31, and calculating the gas consumption Q1 of the space spraying disinfection system per minute;
s05, selecting an air compressor according to the air consumption Q1 per minute of the space spraying and sterilizing system in the step S04, wherein the compressed air capacity of the selected compressed air generating mechanism is 1.2 times greater than the air consumption Q1 per minute;
and S06, calculating the pipe diameters of a gas conveying pipeline 82 and a liquid conveying pipeline 81 in the space spray disinfection system, and rounding up according to the calculation result to select a standard series of pipelines.
Further, the amount Q2 of the sterilizing liquid for single sterilization of the space spray sterilizing system in the step S02 is obtained by the following formula:
Q2＝S×h×C1
wherein S is the area of the sterilization space, h is the height of the sterilization space, and C1 is the spray concentration of the space spray disinfection system determined in the step S02; the total using amount Q2 of the disinfectant to be disinfected in the step S02 all day is obtained by the following formula:
Q2 general (1) ＝Q2×D
Wherein Q2 is the dosage of the disinfectant for single disinfection, and D is the disinfection frequency in a whole day; the mist spray amount per minute a of the killing space in the step S02 is obtained by the following formula:
wherein Q2 is the using amount of the disinfectant for single disinfection, and T is the accumulated spraying time of the single disinfection of the spray head.
Further, the gas consumption Q1 of each kind of the space spray disinfection system in the step S04 is obtained through the following formula:
Q1＝Q sheet ×N
Wherein Q is Sheet Is the gas consumption of a single atomizer 31, N is the number of atomizers 31 determined in the step S03, and T is the cumulative spraying time of the corresponding atomizer.
Further, the pipe diameter D1 of the gas conveying pipeline 82 and the pipe diameter D2 of the liquid conveying pipeline 81 in the step S06 are respectively obtained through the following formulas:
where V1 is the maximum flow rate of gas in the gas delivery line, in an embodiment of the invention V1=15m/s, V2 is the maximum flow rate of liquid in the liquid delivery line, and in an embodiment of the invention V2=1m/s.
For example, when designing a space spray disinfection system for a bay having a 300 square meter footprint and a floor height of 3 meters, the designer refers to the following steps:
s01, setting the spray concentration C1 of the space spray disinfection system to be 10ml/m 3 The accumulated time of spraying for single disinfection of the spraying nozzle in the disinfection space is 20min, and the disinfection frequency in the whole day is 4 times;
s02, according to the set spray concentration C1=10ml/m 3 Calculating the using amount Q2 of the disinfectant for single disinfection, the total using amount Q2 of the disinfectant for disinfection all day and the liquid amount A of the sprayed disinfectant per minute in the space,
Q2＝S×h×C1＝300m 2 ×3m×10ml/m 3 ＝9000ml
Q2 general assembly = Q2 × D =9000 ml/times × 4 times =36000ml =36l
S03, according to the dosage Q2 of the single disinfectant or the dosage Q2 of the daily disinfectant obtained in the step S02 General assembly The specification of the hypochlorous acid disinfectant generating mechanism is selected, and the real-time capacity of the hypochlorous acid disinfectant of the selected hypochlorous acid disinfectant generating mechanism is larger than that of the hypochlorous acid disinfectant sprayed out every minuteThe liquid amount A of the disinfectant is 1.2 times, namely the real-time capacity of the hypochlorous acid disinfectant of the selected hypochlorous acid disinfectant generating mechanism is more than 450mL/min multiplied by 1.2=540mL/min; still alternatively, the daily capacity of the hypochlorous acid disinfectant generating mechanism is larger than the daily dosage Q2 of the disinfectant General (1) Meanwhile, a liquid storage tank 17 with the capacity not less than the dosage Q2 of a single disinfectant is arranged between the hypochlorous acid disinfectant generating mechanism and the booster pump 4, namely the daily output of the selected hypochlorous acid disinfectant generating mechanism is more than 36L, and meanwhile, the liquid storage tank 17 with the capacity not less than 9000ml is arranged between the hypochlorous acid disinfectant generating mechanism and the booster pump 4;
s04, selecting the types of the atomizing spray heads 31 according to the spraying quantity A, wherein A =450ml/min, and determining the number N of the atomizing spray heads 31, wherein the spraying quantity A is less than or equal to the sum of the calibrated spraying quantities of the atomizing spray heads 31, namely A is less than or equal to Q Sign board And (4) x N. In the embodiment, the atomization nozzle with the type of RJB10-D is selected primarily, and the calibration parameters are as follows: the air pressure is 3bar, the hydraulic pressure is 1-3 bar, the spraying quantity An is 0.17L/min, the diffusion angle is 360 degrees, the atomized particle size is 5-10 μm, the spraying distance is 5m, the gas consumption is 180L/min, and the material is 304 stainless steel; the number of spray heads is then determined according to the nominal spray quantity of 0.17L/min of the selected atomizing nozzle, that is,
taking an integer of 3 spray heads; furthermore, the gas consumption per minute Q1 of the space spray disinfection system is calculated according to the calibration parameters of the selected atomizer, specifically:
Q1＝Q sheet ×N＝180L/min×3＝540L/min；
S05, selecting an air compressor according to the air consumption Q1 per minute of the space spraying and sterilizing system in the step S04, wherein the compressed air capacity of the selected compressed air generating mechanism is more than 1.2 times of the air consumption Q1 per minute, namely the compressed air capacity of the selected compressed air generating mechanism is more than 648L/min;
s06, calculating the pipe diameter D1 of the gas conveying pipeline 82 and the pipe diameter D2 of the liquid conveying pipeline 81 through the following formulas, and rounding up and selecting standard series of pipelines according to the calculation results:
wherein V1 is the flow velocity V1=15m/s in the gas conveying pipeline, and V2 is the flow velocity V2=1m/s in the liquid conveying pipeline.
That is, in the above-described embodiment, the pipe diameters D1 and D2 of the gas conveying pipe 82 and the liquid conveying pipe 81 respectively have the following values:
further, based on the above calculation results, DN32 steel pipe was selected as the gas delivery pipe 82, and 5mm stainless steel pipe was selected as the liquid delivery pipe 81.
In the above-described embodiments, the atomizer head may be selected from the following:
a spray head I: the model is as follows: an ADG SK508 spray head is ultrasonically atomized, the air pressure is 5bar, the hydraulic pressure is 1.2bar, the spray quantity is 0.3L/min, the diffusion angle is 60 degrees, the atomization particle size is 8-12 mu m, the jet distance is 3m, the air consumption is 106L/min, and the material is 304 stainless steel;
and a spray head II: the spray nozzle is a fan-shaped spray nozzle, the air pressure is 3.5bar, the hydraulic pressure is 3bar, the spray amount is 0.42L/min, the diffusion angle is 110 degrees, the atomization particle size is 5-12 μm, the spray distance is 2m, the air consumption is 146L/min, and the material is 304 stainless steel.
Further, in the specific step of selecting the model of the atomizer 31 in step S04, in addition to the amount of sprayed disinfectant per minute of the corresponding space, it is necessary to further select the atomizer 31 having a suitable spraying distance and diffusion angle in consideration of the specific shape (such as a strip shape, a square shape, etc.) of the disinfection space. Further, in step S03 of the method for designing a spatial spray disinfection system, after the hypochlorous acid disinfectant generation mechanism specification is confirmed, the method further includes selecting the specifications of the water generator and the reservoir tank 17 based on the hypochlorous acid disinfectant generation mechanism specification determined in step S03.
The design method of the space spray disinfection system can also be used for designing the space spray disinfection system for an area with a plurality of independent disinfection spaces, specifically, the area is an entertainment place and comprises 20 suitcases with the square meter of 40 and 1 performance hall with the square meter of 300, the height of each suitcase is 3 meters, the height of each performance hall is 5 meters, and when an engineer carries out the design work of the space spray disinfection system for the area, the related work is carried out according to the following steps:
s01' spray concentration is set to be 10ml/m for each independent killing space 3 The spraying time of single disinfection of each independent disinfection space is 10min, and the disinfection is carried out 5 times every day;
s02' according to the set spray concentration of 10ml/m 3 Calculating the using amount Q2i of the single disinfection and sterilization liquid in the corresponding independent disinfection and sterilization space and the spray amount Ai per minute in the space; wherein the single disinfection and sterilization liquid consumption of each compartment is 40m 2 ×3m×10ml/m 3 =1200ml, the spraying amount per minute in the space is 1200ml/10min =120ml/min, and the total consumption of the disinfectant in the performance hall is 300m 2 ×5m×10ml/m 3 =15000ml, and the amount of spray per minute in this space is 15000ml/10min =1500ml/min;
s03', calculating the total consumption of single disinfectant and total consumption Q2 of disinfectant for killing in all independent killing spaces in a whole day General assembly And a liquid amount A of the sprayed disinfectant per minute of the space, wherein:
Q2＝1200ml×20+15000ml×1＝39000ml＝39L
Q2 general (1) ＝39L×5＝195L
A＝120ml/min×20+1500ml/min×1＝3.9L/min
The dosage Q2 of the single disinfection solution or the dosage Q2 of the daily disinfection solution obtained according to the steps General (1) Selecting the specification of a hypochlorous acid disinfectant generating mechanism, wherein the real-time capacity of the hypochlorous acid disinfectant of the selected hypochlorous acid disinfectant generating mechanism is more than or equal to 1.2 times of the liquid amount A of the sprayed disinfectant per minute, namely the real-time capacity of the hypochlorous acid disinfectant of the selected hypochlorous acid disinfectant generating mechanism is more than or equal to 3.9L/min multiplied by 1.2=4.68L/min; still alternatively, the daily capacity of the hypochlorous acid disinfectant generating mechanism is more than or equal to the daily disinfectant dosage Q2 General assembly 1.2 times of the total volume of the disinfectant solution, and a liquid storage tank 17 with the capacity not less than the single-time disinfectant solution dosage Q2 is arranged between the hypochlorous acid disinfectant solution generating mechanism and the booster pump 4, that is, the daily output capacity of the selected hypochlorous acid disinfectant solution generating mechanism should be not less than 195L × 1.2=234l, and meanwhile, a liquid storage tank 17 with the capacity not less than 39L is arranged between the hypochlorous acid disinfectant solution generating mechanism and the booster pump 4. (ii) a
S04' aiming at each independent killing space, selecting the model of the atomizing spray heads 31 according to the characteristics of the atomizing spray amount Ai and the space area in the space per minute and the like, and determining the number N of the atomizing spray heads 31, wherein the atomizing spray amount A i The sum of the calibrated spraying quantities of all the atomizing nozzles 31 in the space is less than or equal to, and the total gas consumption quantity Q1 of each independent sterilizing space is calculated i ；
S05', calculating the sum Q1 of the air consumption per minute of all the independent sterilizing spaces, and selecting the air compressor according to the calculation result, wherein,
the compressed air capacity of the selected compressed air generating mechanism is more than 1.2 times of the total gas consumption quantity Q1 per minute;
s06' calculates, for each of the independent killing spaces, a pipe diameter of each of the transfer pipes corresponding to the independent killing space.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (16)
1. A space spraying disinfection system is characterized by comprising a central control unit (2), a spray head group (3), a disinfectant liquid generating mechanism, a booster pump (4), a compressed air generating mechanism, a tail end controller (6) corresponding to the spray head group and a power supply unit, wherein the disinfectant liquid generating mechanism, the booster pump (4) and a liquid input end of the spray head group are sequentially connected through a liquid conveying pipeline (81), the compressed air generating mechanism is connected with a gas input end of the spray head group through a gas conveying pipeline (82), the tail end controller (6) is arranged at a liquid input end (32) and a gas input end (33) of the spray head group (3), is electrically connected with the central control unit (2) and is used for monitoring and adjusting gas-liquid pressure input into the spray head group (3); the central control unit (2) is respectively electrically connected with the disinfectant generating mechanism, the booster pump (4) and the compressed air generating mechanism so as to control the opening and closing of the booster pump (4) and the compressed air generating machine and monitor and adjust the output pressure of the booster pump (4) and the compressed air generating machine in real time; the power supply unit supplies power to all components of the space spray disinfection system.
2. A space spray disinfection system as claimed in claim 1, wherein said central control unit (2) comprises a processing module (21) and a receiving module (22), a comparing module (23) and a transmitting module (24) connected to the processing module (21), respectively, wherein:
the receiving module (22) is used for receiving the real-time monitoring data transmitted by the monitoring components of all the components of the system and transmitting the real-time monitoring data to the processing module (21);
the processing module (21) is used for processing the received real-time monitoring data and transmitting the processed data to the comparison module (23), and is also used for receiving comparison result data from the comparison module (23) and sending a control instruction according to the received comparison result;
the comparison module (23) is used for comparing the received standardized data with a preset standard value and returning the comparison result to the processing module (21);
the transmitting module (24) is used for sending the control instruction generated by the processing module (21) to the corresponding component.
3. A space spray disinfection system as claimed in claim 2 wherein said central control unit (2) further comprises a self-test module (25) connected to said processing module (21), said self-test module (25) being activated upon power-up of said central control unit (2) and issuing a self-test command to components connected to said central control unit (2), said components being self-tested in response to said self-test command and returning a result of said self-test to said self-test module (25), said central control unit (2) controlling activation of said booster pump (4) and said oil-free air compressor (5) when all components are self-tested properly.
4. A space spray disinfection system as claimed in claim 2 or 3, wherein said end controller (6) comprises a hydraulic pressure sensor (61) and a hydraulic pressure regulating mechanism (62) arranged at a liquid input (32) of said spray head group and a pneumatic pressure sensor (63) and a pneumatic pressure regulating mechanism (64) arranged at a gas input (33) of said spray head group, all of said pressure sensors and said pressure regulating mechanisms being electrically connected to said central control unit, said hydraulic pressure sensor (61) being adapted to monitor in real time the pressure of the disinfecting liquid delivered to said spray head group (3), said pneumatic pressure sensor (63) being adapted to monitor in real time the pressure of the compressed air delivered to said spray head group (3) and to transmit said monitored hydraulic and pneumatic pressure data to said central control unit (2), said central control unit (2) upon receiving said pressure data being compared with preset pressure data and controlling the corresponding pneumatic pressure regulating mechanism (62) or hydraulic pressure regulating mechanism (64) to perform a pressure regulation according to the comparison result.
5. A space spray disinfection system according to claim 4, further comprising a temperature and humidity sensor (7) disposed in the disinfection space, wherein the temperature and humidity sensor (7) is electrically connected to the central control unit (2), the temperature and humidity sensor (7) is used for monitoring the temperature and relative humidity of the disinfection space in real time and transmitting the monitored temperature and relative humidity of the disinfection space to the central control unit (2), the central control unit (2) calculates the absolute humidity value of the disinfection space and compares the absolute humidity value with the preset absolute humidity data after receiving the temperature and relative humidity data, and judges the disinfection process of the space spray disinfection system according to the comparison result; meanwhile, the processor (21) compares the absolute humidity data obtained by calculation with the absolute humidity value obtained by previous calculation, and judges whether the sprayer group in the sterilizing space works normally or not according to the comparison result.
6. A space spray disinfection system as claimed in claim 2 or 3, wherein said compressed air generating means is an oil-free air compressor (5); the disinfectant generating mechanism is a hypochlorous acid disinfectant generating mechanism and comprises a hypochlorous acid disinfectant generator (11), a water storage tank (12), a carbon dioxide gas cylinder (13) and a sodium hypochlorite stock solution tank (14) which are respectively connected with the chloric acid disinfectant generator (11), wherein the water storage tank (12), the carbon dioxide gas cylinder (13) and the sodium hypochlorite solution tank (14) respectively convey purified water, carbon dioxide gas and sodium hypochlorite stock solution stored in the water storage tank (12), the carbon dioxide gas cylinder (13) and the sodium hypochlorite stock solution to the hypochlorous acid disinfectant generator (11) through pipelines.
7. A space spray disinfection system as claimed in claim 6 wherein said water storage tank (12) input is connected to the output of a water generator (15) via a pipe, said water generator (15) input is connected to the water supply of a tap water line, said water generator (15) is a RO water purifier, the waste water port of said water generator (15) and the waste port of said hypochlorous acid disinfectant generator (11) are connected to a drain pipe, respectively; water level gauges are respectively arranged in the water storage tank (12) and the sodium hypochlorite raw liquid tank (14), an output end of the carbon dioxide gas bottle (13) is provided with an output pressure sensor, and the water level gauges and the output pressure sensor are electrically connected with the central control unit (2).
8. A space spray disinfection system as claimed in claim 7 wherein said hypochlorous acid disinfectant generating means further comprises a gas-liquid mixer (16), said gas-liquid mixer (16) being connected to said water storage tank (12) and said carbon dioxide gas cylinder (13), respectively, and purified water and carbon dioxide gas stored in said water storage tank (12) and said carbon dioxide gas cylinder (13) being mixed in said gas-liquid mixer (16) and then fed into said hypochlorous acid disinfectant generator (11); the output end of the carbon dioxide gas bottle (13) is provided with a constant-pressure throttling valve so as to control the gas quantity input into the gas-liquid mixer (16) by the carbon dioxide gas bottle (13).
9. A space spray sterilisation system according to claim 2 or 3, characterised in that said booster pump (4) is a plunger pump; an electronic flow meter (41) and a second liquid pressure sensor (42) which are respectively electrically connected with the central control unit (2) are arranged between the output end of the booster pump (4) and the liquid input end of the spray head group, the electronic flow meter (41) is used for measuring the instantaneous flow and the total flow of the disinfectant which passes through the electronic flow meter (41) in the whole disinfection process, and the instantaneous flow and the total flow are transmitted to the central control unit for judging whether a disinfectant generating mechanism and the spray head group which are contained in the space spray disinfection system work normally or not; the second liquid pressure sensor (42) is used for monitoring the liquid pressure output from the booster pump.
10. A space spray disinfection system according to any of claims 1-3, characterized in that said space spray disinfection system comprises a plurality of spray head groups (3), each of said spray head groups (3) being arranged in an independent disinfection space, each spray head group (3) comprising a plurality of spray heads (31), said plurality of spray heads (31) being connected in parallel between the liquid input and the gas input of said spray head group (3), each spray head group (3) being correspondingly equipped with an end controller (6) electrically connected to said central control unit (2), a plurality of end controllers (6) comprised by the same space spray disinfection system being operated independently, the number of said spray heads (31) comprised in each spray head group (3) being the same or different.
11. A space spray disinfection system as claimed in claim 10, wherein said plurality of spray head groups (3) are alternately subjected to disinfection operation under the control of said central control unit (2), and said central control unit (2) sends disinfection instructions only to one or more spray head group end controllers of said plurality of spray head groups during the same period of time, and other spray head groups not receiving disinfection instructions are controlled by the end controller corresponding to the spray head group to maintain a shutdown state.
12. A method of designing a space spray disinfection system as claimed in claims 1-9, comprising the steps of:
s01, setting the spray concentration C1 of the space spray disinfection system, the spraying time length T of single disinfection of a spray nozzle in the disinfection space and the disinfection times D all day, wherein the spray concentration C1 is 5-10 ml/m 3 ；
S02, calculating the using amount Q2 of the single disinfection and sterilization liquid in the disinfection and sterilization space and the total using amount Q2 of the disinfection and sterilization liquid in the whole day according to the set spraying concentration C1 General assembly And the amount A of disinfectant sprayed out of the space every minute;
s03 obtaining the total consumption Q2 of the single disinfection and sterilization liquid or the total consumption Q2 of the disinfection and sterilization liquid in the whole day according to the step S02 General (1) Selecting the specification of a disinfectant generating mechanism, wherein the real-time capacity of the disinfectant of the selected disinfectant generating mechanism is 1.2 times larger than the dosage Q2 of a single disinfectant, or the hypochlorous acid disinfectant generating mechanismThe daily productivity of the hypochlorous acid disinfectant is larger than the total consumption Q2 of the disinfectant for killing all the day General assembly Meanwhile, a liquid storage tank with the capacity not less than the dosage Q2 of the single disinfection disinfectant is arranged between the hypochlorous acid disinfectant generating mechanism and the booster pump;
s04, selecting the type of the atomizing nozzles (31) according to the liquid amount A of the disinfectant sprayed out of the space per minute, determining the number N of the atomizing nozzles (31), wherein the liquid amount A is less than or equal to the sum of the calibrated spraying amounts of the plurality of atomizing nozzles (31), and calculating the air consumption Q1 of each type of the space spraying disinfection system;
s05, selecting an air compressor according to the air consumption Q1 of each type of the space spray disinfection system in the step S04, wherein the compressed air capacity of the selected compressed air generation mechanism is 1.2 times greater than the air consumption Q1 of each type of the space spray disinfection system;
s06, calculating the pipe diameters of a gas conveying pipeline (82) and a liquid conveying pipeline (81) in the space spray disinfection system, and rounding up and selecting standard series of pipelines according to the calculation result.
13. The method of designing a space spray disinfection system as claimed in claim 12, wherein said single disinfecting liquid dose Q2 of said space spray disinfection system in step S02 is obtained by the following formula:
Q2＝S×h×C1
wherein S is the area of the space to be disinfected, h is the height of the space to be disinfected, and C1 is the spray concentration of the space spray disinfection system determined in the step S02;
the total consumption Q2 of the daily disinfection and sterilization liquid in the step S02 General (1) Obtained via the following formula:
Q2 general (1) ＝Q2×D
Wherein Q2 is the dosage of the single disinfection and sterilization liquid, and D is the disinfection times per day;
the spray volume per minute A of the space to be disinfected in the step S02 is obtained through the following formula:
wherein Q2 is the using amount of the disinfectant for single disinfection, and T is the accumulated spraying time of the single disinfection of the spray head.
14. The method of designing a space spray disinfection system as claimed in claim 12, wherein said gas consumption Q1 per minute of said space spray disinfection system in step S04 is obtained via the following equation:
Q1＝Q sheet ×N
Wherein Q is Sheet N is the gas consumption of a single atomizer (31), and N is the number of atomizers (31) determined in the step S03.
15. A design method of a space spray disinfection system as claimed in claim 12, wherein the pipe diameter D1 of the gas delivery pipeline (82) and the pipe diameter D2 of the liquid delivery pipeline (81) in step S06 are respectively obtained by the following formulas:
wherein V1 is the maximum flow velocity of gas in the gas conveying pipeline V1=15m/s, and V2 is the maximum flow velocity of liquid in the liquid conveying pipeline V2=1m/s.
16. A method of designing a space spray disinfection system as claimed in claim 12, characterized in that when said space to be disinfected consists of a plurality of separate disinfection spaces, each of which is provided with a group of spray heads (3), the method of designing a space spray disinfection system further comprises the steps of:
s01' setting spray concentration C1 for each independent killing space i And the killingThe spraying time length T and the disinfection times D of the space in a single disinfection way, and the spraying concentration C1 is 5-10 ml/m 3 (ii) a S02' according to the set spray concentration C1 i Calculating the single sterilizing and disinfecting liquid dosage Q2 of the corresponding independent sterilizing and disinfecting space i And the spray volume A per minute in the space i ；
S03', calculating the single disinfectant consumption Q2 and total disinfectant consumption Q2 of the independent disinfection spaces General assembly And the amount A of disinfectant sprayed out of the space per minute, wherein,
selecting the specification of the disinfectant generating mechanism according to the calculation result, wherein the disinfectant capacity of the selected disinfectant generating mechanism is 1.2 times larger than the total disinfectant consumption Q2
S04' aiming at each independent killing space, according to the spraying amount A i Selecting the type of the atomizing nozzles (31) according to the spatial characteristics, determining the number N of the atomizing nozzles (31), and determining the spraying amount A i Less than the sum of the spraying amount of the plurality of atomizing nozzles (31), and calculating the total gas consumption Q1 of each independent sterilizing space i ；
S05', calculating the total consumption Q1 of disinfectant in all independent disinfection spaces, selecting an air compressor according to the calculation result, wherein,
the compressed air capacity of the selected compressed air generating mechanism is 1.2 times greater than the total air consumption Q1;
s06' calculates, for each of the independent killing spaces, a pipe diameter of each of the transfer pipes corresponding to the independent killing space.
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