CN117503975B - Laboratory ventilation system and method - Google Patents

Laboratory ventilation system and method Download PDF

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Publication number
CN117503975B
CN117503975B CN202311848695.4A CN202311848695A CN117503975B CN 117503975 B CN117503975 B CN 117503975B CN 202311848695 A CN202311848695 A CN 202311848695A CN 117503975 B CN117503975 B CN 117503975B
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China
Prior art keywords
air
spiral
rail
air guide
driving shaft
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CN202311848695.4A
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CN117503975A (en
Inventor
穆云飞
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Gansu Xinboke Laboratory System Engineering Co ltd
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Gansu Xinboke Laboratory System Engineering Co ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/14Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/16Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18Radiation
    • A61L9/20Ultraviolet radiation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/22Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10Apparatus features
    • A61L2209/13Dispensing or storing means for active compounds
    • A61L2209/134Distributing means, e.g. baffles, valves, manifolds, nozzles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10Apparatus features
    • A61L2209/14Filtering means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention relates to a laboratory ventilation system and a laboratory ventilation method, in particular to the laboratory ventilation system and the laboratory ventilation method, wherein the laboratory ventilation system comprises an air guide box, an air inlet of the air guide box is provided with a filtration and sterilization rail, the filtration and sterilization rail is communicated with an air outlet area of a laboratory, the bottom of the air guide box is provided with a circulating conveying device, the inside of the air guide box is provided with a rotation driving shaft, a liquid inlet end of the rotation driving shaft is connected with the circulating conveying device, the rotation driving shaft is provided with a spiral atomization spraying mechanism, an adsorption dehydration mechanism is arranged above the spiral atomization spraying mechanism, the rotation driving shaft is in transmission connection with the spiral atomization spraying mechanism and the adsorption dehydration mechanism, an air supply fan blade is also arranged on the rotation driving shaft, and an air outlet of the air guide box is provided with an air exhaust control pipeline.

Description

Laboratory ventilation system and method
Technical Field
The invention relates to the technical field of laboratory ventilation equipment, in particular to a laboratory ventilation system and a use method of the laboratory ventilation system.
Background
Ventilation in the laboratory plays a vital role in the environmental quality of the laboratory and the health of laboratory operators, and in order to prevent the gas generated in the experiment from gathering in the laboratory to influence the laboratory operators, a ventilation system is required to be arranged.
Chinese patent No. CN214009448U discloses a laboratory ventilation control system, including the laboratory, waterproof air inlet has been seted up at the top of laboratory, waterproof air inlet fixedly connected with new trend structure, new trend structure is including the fixed sleeve pipe that sets up at ambulance inner chamber left side wall top, the fixed medium-efficiency filter screen that is provided with in sheathed tube inner chamber bottom, the fixed high-efficiency filter screen that is provided with in top of medium-efficiency filter screen, the fixed unit that kills that is provided with in top of high-efficiency filter screen, the top fixed mounting who kills the unit has stepless speed regulation fan that breathes in, the air outlet fixed mounting of the stepless speed regulation fan that breathes in of new trend structure inner chamber has the air current valve, the fixed control cabinet that is provided with in inner chamber bottom of laboratory, control system in the control cabinet includes air intake system and air outlet system, solves ventilation effect bad and gaseous problem of disinfecting.
According to the technical scheme, the ventilation is performed through multi-layer filtration and ultraviolet rays, but effective sterilization is difficult to be performed on circulated air by means of filtration and ultraviolet rays when actual air circulates, and the sterilization effect is affected, so that the existing sterilization equipment is used for cleaning and sterilizing the circulated air by spraying the sterilization liquid, and the sterilization effect can be effectively improved by spraying the sterilization liquid, but the sterilization liquid is too fast to flow due to air circulation, so that the sterilization cost is high.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a laboratory ventilation system, which comprises an air guide box, wherein an air inlet of the air guide box is provided with a filtration and sterilization rail, the filtration and sterilization rail is communicated with an air outlet area of a laboratory, the bottom of the air guide box is provided with a circulating conveying device, the inside of the air guide box is provided with a self-rotation driving shaft, the liquid inlet end of the self-rotation driving shaft is connected with the circulating conveying device, a spiral atomization spraying mechanism is arranged on the self-rotation driving shaft, an adsorption dehydration mechanism is arranged above the spiral atomization spraying mechanism, the self-rotation driving shaft is in transmission connection with the spiral atomization spraying mechanism and the adsorption dehydration mechanism, the self-rotation driving shaft is also provided with an air supply fan blade, and an air outlet of the air guide box is provided with an air exhaust control pipeline;
the inside of the air guide box is provided with a water receiving hopper and a water receiving rail, the water receiving hopper is arranged below the spiral atomization spraying mechanism, and the water receiving rail mounting rail is arranged at the side of the adsorption dehydration mechanism;
the spiral atomizing spraying mechanism comprises a lower conical block arranged on the autorotation driving shaft, the outer wall of the lower conical block is uniformly distributed with circulating spiral rails, and atomizing spraying heads are arranged in the circulating spiral rails;
the adsorption dehydration mechanism comprises a reverse transmission mechanism arranged on the air guide box, the input end of the reverse transmission mechanism is in transmission connection with the autorotation driving shaft, an upper conical block is arranged on the reverse transmission mechanism, the output end of the reverse transmission mechanism is in transmission connection with the upper conical block, a mixed spiral rail and a filtering spiral rail are arranged on the outer wall of the upper conical block, the mixed spiral rail and the filtering spiral rail are arranged at equal intervals in a staggered mode, a plurality of circulation ports are formed between the mixed spiral rail and the filtering spiral rail, an air inlet is formed in the bottom of the mixed spiral rail, an air outlet is formed in the top of the filtering spiral rail, a water outlet is formed in the bottom of the filtering spiral rail, and filtering adsorption cotton is arranged in the filtering spiral rail;
the reverse transmission mechanism comprises a fixed sleeve arranged on the air guide box, an installation disc is arranged at the end part of the fixed sleeve, a rotating gear is arranged at the axial center position of the installation disc, the rotating gear is connected with the autorotation driving shaft, a plurality of synchronous gears are also arranged on the installation disc, the synchronous gears are uniformly distributed by taking the rotating gear as the axial center, the synchronous gears are meshed with the rotating gears, the reverse transmission mechanism also comprises a rotating gear ring arranged on the upper conical block, and the rotating gear ring is meshed with the synchronous gears;
the rotation drive shaft comprises a rotation mounting column for mounting the inside of the air guide box, a flow channel is arranged in the rotation mounting column, guide vanes are mounted in the flow channel, a plurality of connection ports are mounted on the rotation drive shaft, and the connection ports are communicated with an atomization spray head of the spiral atomization spray mechanism.
Preferably, the exhaust control pipeline comprises a bending pipeline arranged at an air outlet of the air guide box, a linear driver is arranged in the bending pipeline, and a sealing plug plate is arranged at the output end of the linear driver.
Preferably, the circulating conveying device comprises a liquid storage tank, a water receiving pipeline is arranged at a liquid inlet on the liquid storage tank, a plurality of bent water receiving pipes are arranged on the water receiving pipeline, the bent water receiving pipes are respectively communicated with a water receiving hopper and a water receiving rail of the air guide box, a conveying pump is arranged on the liquid storage tank, and the conveying pump is connected with the autorotation driving shaft through a water outlet pipeline.
Preferably, the filter sterilization rail comprises an air guide rail arranged at an air inlet of the air guide box, a filter screen is arranged at an air inlet end of the air guide rail, a plurality of baffle plates are distributed in an up-down staggered mode in the air guide rail, sterilization lamps are arranged beside the baffle plates, and refractive lenses are arranged on the surface of the inner wall of the air guide rail.
A method of using a laboratory ventilation system, comprising the steps of;
s1, conveying air circulated inside a laboratory to a filter sterilization rail when circulating ventilation is carried out inside the laboratory, and enabling the filter sterilization rail to carry out preliminary sterilization through ultraviolet rays, wherein the air enters the air guide box after preliminary sterilization.
S2, air entering the air guide box sequentially passes through the spiral atomization spraying mechanism, the adsorption dehydration mechanism and the exhaust control pipeline to be discharged, the circulating conveying device conveys sterilizing liquid to the self-rotation driving shaft when the air circulates, the self-rotation driving shaft can convert the flowing force of the sterilizing liquid into the self-rotation kinetic energy, and the self-rotation driving shaft can drive the spiral atomization spraying mechanism, the adsorption dehydration mechanism and the air supply fan blade to synchronously rotate when rotating.
S3, the self-rotation driving shaft conveys the sterilizing liquid to the spiral atomization spraying mechanism, the spiral atomization spraying mechanism atomizes and sprays the entering sterilizing liquid, and when the air flow passes through the rotating spiral atomization spraying mechanism, the air flow can be uniformly fused with the atomized sterilizing liquid, and the sterilizing liquid can effectively sterilize and purify air.
S4, the air supply fan blades rotate to accelerate the air circulation speed, air fused with sterilizing liquid passes through the spiral atomization spraying mechanism and can enter the adsorption dehydration mechanism, the adsorption dehydration mechanism can adsorb sterilizing liquid in air when rotating and throw out the adsorbed sterilizing liquid through rotating centrifugal force, the separated sterilizing liquid is collected and conveyed into the circulating conveying device by the air guide box, and the filtered air is guided and conveyed into the exhaust control pipeline by the adsorption dehydration mechanism to be discharged.
Compared with the prior art, the invention has the beneficial effects that:
the circulating conveying device conveys sterilizing liquid to the self-rotating driving shaft when air circulates in the air guide box, the self-rotating driving shaft can convert the flowing force of the sterilizing liquid into the self-rotating kinetic energy, the self-rotating driving shaft can drive the spiral atomization spraying mechanism, the adsorption dehydration mechanism and the air supply fan blades to synchronously rotate, the self-rotating driving shaft conveys the sterilizing liquid to the spiral atomization spraying mechanism, the spiral atomization spraying mechanism atomizes and sprays the entering sterilizing liquid, so that air flow can be uniformly fused with the atomized sterilizing liquid when passing through the rotating spiral atomization spraying mechanism, the sterilizing liquid can effectively sterilize and purify the air, the air supply fan blades rotate to accelerate the air circulation speed, the air fused with the sterilizing liquid passes through the spiral atomization spraying mechanism and can enter the adsorption dehydration mechanism, the adsorption dehydration mechanism can adsorb the sterilizing liquid in the air when rotating, and the adsorbed sterilizing liquid is thrown out through the rotating centrifugal force, the air guide box can collect and convey the separated sterilizing liquid to the circulating conveying device for recycling, the filtered air is guided to be discharged from the exhaust control pipeline, the loss of the sterilizing liquid can be effectively controlled, and the cost is reduced.
Drawings
Fig. 1 is a schematic perspective view of a laboratory ventilation system.
Fig. 2 is a front view of a laboratory ventilation system.
Fig. 3 is a cross-sectional view taken at section A-A in fig. 2.
Fig. 4 is a perspective view of fig. 3.
Fig. 5 is an exploded view of a windbox, a spiral atomizing spray mechanism and an adsorption dewatering mechanism in a laboratory ventilation system.
Fig. 6 is a schematic perspective view of an adsorption dewatering mechanism in a laboratory ventilation system.
Fig. 7 is a plan cut-away perspective view of an adsorption dewatering mechanism in a laboratory ventilation system.
Fig. 8 is a plan cross-sectional view of a spinning drive shaft in a laboratory ventilation system.
Fig. 9 is a plan cut-away perspective view of an exhaust control duct in a laboratory ventilation system.
Fig. 10 is a plan cut-away perspective view of a filter sterilization rail in a laboratory ventilation system.
The reference numerals in the figures are:
1-an air guide box; 11-a water receiving bucket; 12-water receiving rail; 2-a spiral atomization spraying mechanism; 21-a lower conical block; 22-a flow-through spiral track; 23-atomizing spray heads; 3-an adsorption dehydration mechanism; 31-a reverse transmission mechanism; 311-fixing the sleeve; 312-mounting a disc; 313-turning a gear; 314-a synchromesh gear; 315-rotating the ring gear; 32-upper conical blocks; 33-mixing spiral tracks; 34-flow port; 35-filtering the spiral rail; 351-dewatering; 36-filtering and adsorbing cotton; 4-a self-rotating drive shaft; 41-rotating the mounting post; 42-guide vanes; 43-flow channel; 44-connection port; 5-air supply fan blades; 6-an exhaust control pipeline; 61-bending the pipeline; 62-linear drive; 63-sealing the plug plate; 7-a circulating conveying device; 71-a liquid storage tank; 72-water receiving pipeline; 721-bending the water receiving pipe; 73-a transfer pump; 74-a water outlet pipeline; 8-filtering and sterilizing the rail; 81-an air guide rail; 82-a filter screen; 83-baffle; 84-germicidal lamp.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 10, a ventilation system for a laboratory comprises an air guide box 1, a filtration and sterilization rail 8 installed at an air inlet of the air guide box 1 is communicated with an air outlet area of the laboratory, a circulating conveying device 7 is installed at the bottom of the air guide box 1, a rotation driving shaft 4 is installed in the air guide box 1, a liquid inlet end of the rotation driving shaft 4 is connected with the circulating conveying device 7, a spiral atomization spraying mechanism 2 is installed on the rotation driving shaft 4, an adsorption dehydration mechanism 3 is installed above the spiral atomization spraying mechanism 2, the rotation driving shaft 4 is rotationally connected with the spiral atomization spraying mechanism 2 and the adsorption dehydration mechanism 3, an air feeding fan blade 5 is also installed on the rotation driving shaft 4, and an air outlet of the air guide box 1 is provided with an air exhaust control pipeline 6.
The air flowing inside the laboratory is conveyed into the filter sterilization rail 8 when circulating ventilation is carried out inside the laboratory, the filter sterilization rail 8 removes dust and filters the entering air, the filter sterilization rail 8 guides and conveys the filtered flowing air flow to the air inlet of the air guide box 1, when the air flow passes through the filter sterilization rail 8, the filter sterilization rail 8 carries out preliminary sterilization through ultraviolet rays, the air enters the air guide box 1 after preliminary sterilization, the air entering the air guide box 1 sequentially passes through the spiral atomization spraying mechanism 2, the adsorption dehydration mechanism 3 and the exhaust control pipeline 6 to be discharged, the circulating conveying device 7 conveys sterilizing liquid to the autorotation driving shaft 4 when the air flows, the autorotation driving shaft 4 converts the flowing force of the sterilizing liquid into the kinetic energy of autorotation when the sterilizing liquid passes through the autorotation driving shaft 4, when the rotation driving shaft 4 rotates, the spiral atomization spraying mechanism 2, the adsorption dehydration mechanism 3 and the air supply fan blade 5 are driven to synchronously rotate, the rotation driving shaft 4 conveys sterilizing liquid into the spiral atomization spraying mechanism 2, the spiral atomization spraying mechanism 2 atomizes and sprays the entering sterilizing liquid, so that air flow can be uniformly fused with the atomized sterilizing liquid when passing through the rotating spiral atomization spraying mechanism 2, the sterilizing liquid can effectively sterilize and purify air, the air supply fan blade 5 rotates to accelerate the air circulation speed, the circulation effect is ensured, the air fused with the sterilizing liquid passes through the spiral atomization spraying mechanism 2 and enters the adsorption dehydration mechanism 3, the adsorption dehydration mechanism 3 can adsorb the sterilizing liquid in the air when rotating and throws out the adsorbed sterilizing liquid through the rotating centrifugal force, the separated sterilizing liquid is collected by the air guide box 1 and conveyed into the circulating conveying device 7, the adsorption dehydration mechanism 3 guides and conveys filtered air into the exhaust control pipeline 6, the exhaust control pipeline 6 can effectively control exhaust, the exhaust control pipeline 6 can be controlled to be sealed when dangerous gas leakage occurs in the laboratory, and the safety of experiments is effectively improved.
Referring to fig. 1 to 4, the air guide box 1 is internally provided with a water receiving bucket 11 and a water receiving rail 12, the water receiving bucket 11 is arranged below the spiral atomization spraying mechanism 2, and the water receiving rail 12 is arranged beside the adsorption dehydration mechanism 3.
The air guide box 1 is used for guiding air flow to sequentially pass through the spiral atomization spraying mechanism 2, the adsorption dehydration mechanism 3 and the exhaust control pipeline 6, the water receiving hopper 11 is arranged below the spiral atomization spraying mechanism 2, when the spiral atomization spraying mechanism 2 rotates to spray sterilizing liquid, part of sterilizing liquid can be enabled to form fluid water drops to fall when contacting with the inner wall of the air guide box 1 or the spiral atomization spraying mechanism 2, and the water receiving hopper 11 can effectively collect the falling sterilizing liquid.
The water receiving rail 12 is arranged at the side of the adsorption dehydration mechanism 3, when the air fused with the sterilization liquid passes through the spiral atomization spraying mechanism 2 and can enter the adsorption dehydration mechanism 3, the adsorption dehydration mechanism 3 can adsorb the sterilization liquid in the gas when rotating, and the adsorbed sterilization liquid is thrown out through the rotating centrifugal force, and the water receiving rail 12 can effectively collect the sterilization liquid of dehydration when the adsorption dehydration mechanism 3 is thrown out.
Referring to fig. 4 and 5, the spiral atomizing spray mechanism 2 includes a lower cone block 21 mounted on a self-rotating driving shaft 4, the outer wall of the lower cone block 21 is uniformly distributed with circulation spiral rails 22, and atomizing spray heads 23 are provided inside the circulation spiral rails 22.
The rotation drive shaft 4 can drive down the toper piece 21 and rotate in step when rotating, can form the spiral air current when the circulation spiral rail 22 of toper piece 21 outer wall rotates, and the inside sterile liquid that flows of rotation drive shaft 4 can be followed atomizing sprinkler head 23 and spouted, and atomizing sprinkler head 23 can spray the sterile liquid atomizing in circulation spiral rail 22, and the spiral air current can improve the sterile liquid of atomizing and the air mixture of flowing, effectual mixed sterile liquid.
Referring to fig. 3 to 6, the adsorption and dehydration mechanism 3 includes a reverse transmission mechanism 31 installed on the air guide box 1, an input end of the reverse transmission mechanism 31 is in transmission connection with the rotation driving shaft 4, an upper conical block 32 is installed on the reverse transmission mechanism 31, an output end of the reverse transmission mechanism 31 is in transmission connection with the upper conical block 32, a mixing spiral rail 33 and a filtering spiral rail 35 are installed on an outer wall of the upper conical block 32, the mixing spiral rail 33 and the filtering spiral rail 35 are arranged in an equidistant and staggered manner, a plurality of flow openings 34 are respectively arranged between the mixing spiral rail 33 and the filtering spiral rail 35, an air inlet is arranged at the bottom of the mixing spiral rail 33, an air outlet is arranged at the top of the filtering spiral rail 35, a water removing opening 351 is arranged at the bottom of the filtering spiral rail 35, and filtering and adsorption cotton 36 is installed inside the filtering spiral rail 35.
When the rotation driving shaft 4 rotates, the reverse transmission mechanism 31 is driven to synchronously rotate, the reverse transmission mechanism 31 can transmit kinetic energy to the upper conical block 32, the reverse transmission mechanism 31 can drive the upper conical block 32 to reversely rotate with the rotation driving shaft 4, the reverse rotation of the upper conical block 32 can drive the mixed spiral rail 33 and the filter spiral rail 35 on the outer wall of the upper conical block 32 to synchronously reversely rotate, the mixed spiral rail 33 and the filter spiral rail 35 synchronously reversely rotate to be in contact with air passing through the spiral atomization spraying mechanism 2, so that the mixing effect of sterilizing liquid and air can be improved, the air passing through the spiral atomization spraying mechanism 2 can enter the mixed spiral rail 33 from an air inlet, the air in the mixed spiral rail 33 can enter the filter spiral rail 35 from a circulation port 34 through the extrusion of air pressure, the filter adsorption cotton 36 on the filter spiral rail 35 can filter and adsorb impurities and sterilizing liquid in the air, after the filter adsorption cotton 36 adsorbs the sterilizing liquid, the filter adsorption cotton 36 can enable the adsorbed sterilizing liquid to be quickly deposited to the bottom of the filter spiral rail 35 through the spiral rotation, the dehydration port on the bottom of the filter spiral rail 35 can guide the collected sterilizing liquid to the air box 1 to the bottom of the air guide rail 12, and the air outlet of the air guide pipe can be controlled to be reduced, and the cost of sterilizing liquid can be reduced, and the sterilizing liquid can flow from the air guide pipe 6 can be discharged from the air guide and discharged from the air guide pipe 6.
Referring to fig. 6 and 7, the reverse transmission mechanism 31 includes a fixed sleeve 311 mounted on the air guide box 1, a mounting disc 312 is provided at an end of the fixed sleeve 311, a rotation gear 313 is mounted at an axial center position of the mounting disc 312, the rotation gear 313 is connected with the rotation driving shaft 4, a plurality of synchronizing gears 314 are further mounted on the mounting disc 312, the synchronizing gears 314 are uniformly distributed with the rotation gear 313 as an axial center, the synchronizing gears 314 are engaged with the rotation gear 313, the reverse transmission mechanism 31 further includes a rotation gear ring 315 mounted on the upper conical block 32, and the rotation gear ring 315 is engaged with the synchronizing gears 314.
The fixed sleeve 311 is used for being matched with the installation disk 312 and is used for rotating and installing the rotating gear 313 and the synchronizing gear 314, the rotating gear 313 is in limit clamping connection with the self-rotation driving shaft 4, the rotating gear 313 can be driven to synchronously rotate when the self-rotation driving shaft 4 rotates, the synchronizing gear 314 can be driven to synchronously rotate when the rotating gear 313 rotates, the rotating gear ring 315 can be driven to synchronously rotate when the rotating gear ring 315 rotates, the upper conical block 32 can be driven to synchronously rotate, the rotating direction of the upper conical block 32 is enabled to be opposite to the rotating direction of the self-rotation driving shaft 4, the upper conical block 32 reversely rotates to drive the mixing spiral rail 33 and the filtering spiral rail 35 on the outer wall of the upper conical block 32 to synchronously reversely rotate, and the air contact between the mixing spiral rail 33 and the filtering spiral rail 35 and the air passing through the spiral atomization spraying mechanism 2 can disturb the air flow and improve the mixing effect of the sterilizing liquid and the air.
Referring to fig. 2, 3 and 8, the rotation driving shaft 4 includes a rotation mounting column 41 mounted inside the air guide box 1, a flow passage 43 is provided inside the rotation mounting column 41, a guide vane 42 is mounted inside the flow passage 43, a plurality of connection ports 44 are mounted on the rotation driving shaft 4, and the connection ports 44 are communicated with the atomizing spray head 23 of the spiral atomizing spray mechanism 2.
When the spiral atomization spraying mechanism 2, the adsorption dehydration mechanism 3 and the air supply fan blades 5 are required to be synchronously driven to rotate, sterilizing liquid is conveyed into the flow channel 43 inside the rotary mounting column 41 through the circulating conveying device 7, the sterilizing liquid passes through the guide vane 42 when flowing in the flow channel 43, the guide vane 42 converts flowing force into rotating force, the connecting port 44 is used for connecting the atomization spraying head 23 to guide the sterilizing liquid to be sprayed, and the rotating speed of the rotating driving shaft 4 can be effectively controlled by controlling the speed of conveying the sterilizing liquid through the circulating conveying device 7.
Referring to fig. 3 and 9, the exhaust control duct 6 includes a bent duct 61 installed at an air outlet of the air guide box 1, a linear driver 62 is installed inside the bent duct 61, and a sealing plug 63 is installed at an output end of the linear driver 62.
The linear drive 62 is preferably an electric push rod or a hydraulic push rod, the bending pipeline 61 guides air out to effectively avoid rainwater and dust from directly entering, when dangerous gas leakage occurs in a laboratory, the laboratory gives an alarm, the electric push rod can drive the sealing plug plate 63 to collide with an air outlet of the bending pipeline 61, and the edge of the sealing plug plate 63 is provided with a sealing ring, so that harmful gas cannot leak, and the safety of an experiment is effectively improved.
Referring to fig. 3 and 4, the circulation and delivery device 7 includes a liquid storage tank 71, a water receiving pipe 72 is installed at a liquid inlet on the liquid storage tank 71, a plurality of bent water receiving pipes 721 are arranged on the water receiving pipe 72, the bent water receiving pipes 721 are respectively communicated with a water receiving bucket 11 and a water receiving rail 12 of the air guide box 1, a delivery pump 73 is installed on the liquid storage tank 71, and the delivery pump 73 is connected with the autorotation driving shaft 4 through a water outlet pipe 74.
The liquid storage tank 71 is used for storing the sterilizing liquid, a liquid level sensor is arranged in the liquid storage tank 71 and is used for detecting the storage amount of the sterilizing liquid in the liquid storage tank, a bent water receiving pipe 721 on a water receiving pipeline 72 is respectively communicated with a water receiving hopper 11 and a water receiving rail 12 of the air guide box 1, the sterilizing liquid is received by the water receiving hopper 11 and the water receiving rail 12 of the air guide box 1 and can enter the water receiving pipeline 72 from the bent water receiving pipe 721, the sterilizing liquid is reserved in the bent water receiving pipe 721 all the time, the problem that unfiltered air directly enters the liquid storage tank 71 or directly is discharged after passing through the water receiving pipeline 72 to enter the water receiving rail 12 is effectively avoided, the recycled sterilizing liquid is conveyed into the liquid storage tank 71 for recycling, a conveying pump 73 is commonly used for sucking and conveying the sterilizing liquid in the liquid storage tank, the conveying pump 73 directly conveys the sterilizing liquid into the rotating driving shaft 4 through a water outlet pipeline 74, and the rotating speed of the sterilizing liquid can be effectively controlled through the conveying pump 73.
Referring to fig. 4 and 10, the filter sterilizing rail 8 includes an air guiding rail 81 installed at an air inlet of the air guiding box 1, a filter screen 82 is installed at an air inlet end of the air guiding rail 81, a plurality of baffle plates 83 are vertically staggered in the air guiding rail 81, sterilizing lamps 84 are arranged beside the baffle plates 83, and refractive lenses are arranged on an inner wall surface of the air guiding rail 81.
The bactericidal lamp 84 is preferably a medical ultraviolet bactericidal lamp 84, the wind guiding track 81 is installed in the wind guiding box 1 and the laboratory air outlet area, the air circulated in the laboratory can be conveyed to the filter screen 82 of the wind guiding track 81 during circulation ventilation, flowing air passes through the filter screen 82 and enters the inside of the wind guiding track 81, dust in the air can be effectively filtered by the filter screen 82, when entering the inside of the wind guiding track 81, the air flow residence time can be effectively prolonged by the aid of the baffle plates 83 distributed in an up-down staggered mode, meanwhile, ultraviolet rays can be emitted by the ultraviolet bactericidal lamp 84 in the inside, flowing air flow is irradiated, meanwhile, the refractive range of the refractive lenses of the inner wall of the wind guiding track 81 can be effectively improved, and the sterilization effect can be effectively improved, so that primary sterilization treatment can be effectively carried out on flowing air flow.
A method of using a laboratory ventilation system, comprising the steps of;
s1, conveying air circulated inside a laboratory to a filter sterilization rail 8 when circulating ventilation is carried out inside the laboratory, and enabling the filter sterilization rail 8 to carry out preliminary sterilization through ultraviolet rays, wherein the air enters the air guide box 1 after the preliminary sterilization;
s2, air entering the air guide box 1 sequentially passes through the spiral atomization spraying mechanism 2, the adsorption dehydration mechanism 3 and the exhaust control pipeline 6 to be discharged, and the circulating conveying device 7 conveys sterilizing liquid to the self-rotation driving shaft 4 when the air circulates, the self-rotation driving shaft 4 converts the flowing force of the sterilizing liquid into self-rotation kinetic energy, and the rotation driving shaft 4 drives the spiral atomization spraying mechanism 2, the adsorption dehydration mechanism 3 and the air supply fan blade 5 to synchronously rotate when rotating;
s3, the self-rotation driving shaft 4 conveys the sterilizing liquid into the spiral atomization spraying mechanism 2, the spiral atomization spraying mechanism 2 atomizes and sprays the entering sterilizing liquid, so that air flow can be uniformly fused with the atomized sterilizing liquid when passing through the rotating spiral atomization spraying mechanism 2, and the sterilizing liquid can effectively sterilize and purify air;
s4, the air supply fan blade 5 rotates to accelerate the air circulation speed, air fused with sterilizing liquid passes through the spiral atomization spraying mechanism 2 and can enter the adsorption dehydration mechanism 3, the adsorption dehydration mechanism 3 can adsorb the sterilizing liquid in the entering air during rotation and throw away the adsorbed sterilizing liquid through rotating centrifugal force, the air guide box 1 collects the separated sterilizing liquid and conveys the separated sterilizing liquid into the circulating conveying device 7, and the adsorption dehydration mechanism 3 guides and conveys filtered air into the exhaust control pipeline 6 to be discharged.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.

Claims (5)

1. The utility model provides a laboratory ventilation system, a serial communication port, including air guide case (1), filter sterilization rail (8) are installed to the air intake of air guide case (1), filter sterilization rail (8) and laboratory air-out district intercommunication, circulation conveyor (7) are installed to the bottom of air guide case (1), rotation drive shaft (4) are installed to the internally mounted of air guide case (1), the feed liquor end and the circulation conveyor (7) of rotation drive shaft (4) are connected, install spiral atomizing spraying mechanism (2) on rotation drive shaft (4), adsorption dehydration mechanism (3) are installed to the top of spiral atomizing spraying mechanism (2), rotation drive shaft (4) are connected with spiral atomizing spraying mechanism (2) and adsorption dehydration mechanism (3) transmission, still install air supply flabellum (5) on rotation drive shaft (4), exhaust control pipeline (6) are installed to the air outlet of air guide case (1);
the inside of the air guide box (1) is provided with a water receiving hopper (11) and a water receiving rail (12), the water receiving hopper (11) is arranged below the spiral atomization spraying mechanism (2), and the water receiving rail (12) mounting rail is arranged at the side of the adsorption dehydration mechanism (3);
the spiral atomizing spraying mechanism (2) comprises a lower conical block (21) arranged on the autorotation driving shaft (4), the outer wall of the lower conical block (21) is uniformly distributed with circulating spiral rails (22), and atomizing spraying heads (23) are arranged in the circulating spiral rails (22);
the adsorption dehydration mechanism (3) comprises a reverse transmission mechanism (31) arranged on the air guide box (1), the input end of the reverse transmission mechanism (31) is in transmission connection with the autorotation driving shaft (4), an upper conical block (32) is arranged on the reverse transmission mechanism (31), the output end of the reverse transmission mechanism (31) is in transmission connection with the upper conical block (32), a mixing spiral rail (33) and a filtering spiral rail (35) are arranged on the outer wall of the upper conical block (32), the mixing spiral rail (33) and the filtering spiral rail (35) are arranged at equal intervals in a staggered mode, a plurality of circulation ports (34) are arranged between the mixing spiral rail (33) and the filtering spiral rail (35), an air inlet is formed in the bottom of the mixing spiral rail (33), an air outlet is formed in the top of the filtering spiral rail (35), a water removing port (351) is formed in the bottom of the filtering spiral rail (35), and filtering adsorption cotton (36) is arranged in the filtering spiral rail (35);
the reverse transmission mechanism (31) comprises a fixed sleeve (311) arranged on the air guide box (1), an installation disc (312) is arranged at the end part of the fixed sleeve (311), a rotating gear (313) is arranged at the axial position of the installation disc (312), the rotating gear (313) is connected with the autorotation driving shaft (4), a plurality of synchronous gears (314) are also arranged on the installation disc (312), the synchronous gears (314) are uniformly distributed by taking the rotating gear (313) as the axial center, the synchronous gears (314) are meshed with the rotating gear (313), the reverse transmission mechanism (31) further comprises a rotating gear ring (315) arranged on the upper conical block (32), and the rotating gear ring (315) is meshed with the synchronous gears (314);
the self-rotation driving shaft (4) comprises a rotation mounting column (41) for mounting the inside of the air guide box (1), a flow channel (43) is arranged in the rotation mounting column (41), guide vanes (42) are mounted in the flow channel (43), a plurality of connection ports (44) are mounted on the self-rotation driving shaft (4), and the connection ports (44) are communicated with an atomization spray head (23) of the spiral atomization spray mechanism (2);
the rotation driving shaft (4) rotates to drive the reverse transmission mechanism (31) to synchronously rotate, the reverse transmission mechanism (31) rotates to drive the upper conical block (32) to reversely rotate with the rotation driving shaft (4), and the reverse rotation of the upper conical block (32) drives the mixing spiral rail (33) and the filtering spiral rail (35) to synchronously reversely rotate so as to disturb the air passing through the spiral atomization spraying mechanism (2) and enable the air to be mixed with the sterilizing liquid sprayed by the spiral atomization spraying mechanism (2).
2. A laboratory ventilation system according to claim 1, characterized in that the exhaust control duct (6) comprises a bent duct (61) mounted at the air outlet of the air guide box (1), a linear actuator (62) being mounted inside the bent duct (61), and a sealing plug (63) being mounted on the output of the linear actuator (62).
3. A laboratory ventilation system according to claim 1, characterized in that the circulation conveying device (7) comprises a liquid storage tank (71), a water receiving pipeline (72) is arranged at a liquid inlet on the liquid storage tank (71), a plurality of bent water receiving pipes (721) are arranged on the water receiving pipeline (72), the bent water receiving pipes (721) are respectively communicated with a water receiving hopper (11) and a water receiving rail (12) of the air guide box (1), a conveying pump (73) is arranged on the liquid storage tank (71), and the conveying pump (73) is connected with the autorotation driving shaft (4) through a water outlet pipeline (74).
4. The laboratory ventilation system according to claim 1, wherein the filtering and sterilizing rail (8) comprises an air guide rail (81) arranged at an air inlet of the air guide box (1), a filter screen (82) is arranged at an air inlet end of the air guide rail (81), a plurality of baffle plates (83) are distributed in an up-down staggered mode inside the air guide rail (81), sterilizing lamps (84) are arranged on the side of the baffle plates (83), and refractive lenses are arranged on the inner wall surface of the air guide rail (81).
5. A method of using a laboratory ventilation system according to any one of claims 1-4, comprising the steps of;
s1, conveying air circulated inside a laboratory to a filter sterilization rail (8) when circulating ventilation is carried out inside the laboratory, and enabling the filter sterilization rail (8) to carry out preliminary sterilization through ultraviolet rays, wherein the air enters the air guide box (1) after the preliminary sterilization;
s2, air entering the air guide box (1) sequentially passes through the spiral atomization spraying mechanism (2), the adsorption dehydration mechanism (3) and the exhaust control pipeline (6) to be discharged, the circulating conveying device (7) conveys sterilizing liquid to the self-rotation driving shaft (4) when the air circulates, the self-rotation driving shaft (4) can convert the flowing force of the sterilizing liquid into self-rotation kinetic energy, and the self-rotation driving shaft (4) can drive the spiral atomization spraying mechanism (2), the adsorption dehydration mechanism (3) and the air supply fan blades (5) to synchronously rotate when rotating;
s3, the self-rotation driving shaft (4) conveys the sterilizing liquid into the spiral atomization spraying mechanism (2), the spiral atomization spraying mechanism (2) atomizes and sprays the entering sterilizing liquid, so that the air flow can be uniformly fused with the atomized sterilizing liquid when passing through the rotating spiral atomization spraying mechanism (2), and the sterilizing liquid can effectively sterilize and purify the air;
s4, the air supply fan blade (5) rotates to accelerate the air circulation speed, air fused with sterilizing liquid passes through the spiral atomization spraying mechanism (2) and can enter the adsorption dehydration mechanism (3), the adsorption dehydration mechanism (3) can adsorb the sterilizing liquid in the entering gas during rotation, and the adsorbed sterilizing liquid is thrown out through the rotating centrifugal force, the separated sterilizing liquid is collected by the air guide box (1) and conveyed into the circulating conveying device (7), and the filtered air is guided and conveyed into the exhaust control pipeline (6) by the adsorption dehydration mechanism (3) to be discharged.
CN202311848695.4A 2023-12-29 2023-12-29 Laboratory ventilation system and method Active CN117503975B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2242995C1 (en) * 2003-03-11 2004-12-27 Общество С Ограниченной Ответственностью "Система-Сервис" Installation for sterilizing medical and laboratory instruments
CN103925651A (en) * 2014-04-03 2014-07-16 西安富康空气净化设备工程有限公司 Laboratory air purifier and air purifying method based on same
CN111288581A (en) * 2020-03-09 2020-06-16 深圳市联合实验室工程装备有限公司 Intelligent induction type ventilation equipment is used in laboratory
KR20200088110A (en) * 2019-01-14 2020-07-22 금호환경기계(주) Air purifying apparatus using water spray
CN212673465U (en) * 2020-07-23 2021-03-09 河南绿友环境科技有限公司 Sterilization and disinfection air purification unit
CN116499059A (en) * 2023-06-28 2023-07-28 西安四腾环境科技有限公司 Ventilation backflow preventing device for laboratory
CN116608528A (en) * 2023-05-31 2023-08-18 西安四腾环境科技有限公司 A laboratory ventilation device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2242995C1 (en) * 2003-03-11 2004-12-27 Общество С Ограниченной Ответственностью "Система-Сервис" Installation for sterilizing medical and laboratory instruments
CN103925651A (en) * 2014-04-03 2014-07-16 西安富康空气净化设备工程有限公司 Laboratory air purifier and air purifying method based on same
KR20200088110A (en) * 2019-01-14 2020-07-22 금호환경기계(주) Air purifying apparatus using water spray
CN111288581A (en) * 2020-03-09 2020-06-16 深圳市联合实验室工程装备有限公司 Intelligent induction type ventilation equipment is used in laboratory
CN212673465U (en) * 2020-07-23 2021-03-09 河南绿友环境科技有限公司 Sterilization and disinfection air purification unit
CN116608528A (en) * 2023-05-31 2023-08-18 西安四腾环境科技有限公司 A laboratory ventilation device
CN116499059A (en) * 2023-06-28 2023-07-28 西安四腾环境科技有限公司 Ventilation backflow preventing device for laboratory

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