CN109631217A - A kind of laboratory ventilation system - Google Patents
A kind of laboratory ventilation system Download PDFInfo
- Publication number
- CN109631217A CN109631217A CN201811232419.4A CN201811232419A CN109631217A CN 109631217 A CN109631217 A CN 109631217A CN 201811232419 A CN201811232419 A CN 201811232419A CN 109631217 A CN109631217 A CN 109631217A
- Authority
- CN
- China
- Prior art keywords
- wind
- shell
- collecting cover
- ventilation system
- centrifugal blower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, 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
- F24F8/192—Treatment, 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 by electrical means, e.g. by applying electrostatic fields or high voltages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a kind of laboratory ventilation systems, including shell, EC centrifugal blower and assembling bracket, the shell insertion is mounted on wall, the both ends of shell are respectively equipped with air inlet and air outlet, position opposite wind-collecting cover and outlet housing are installed in shell, and it is connected between wind-collecting cover and outlet housing by connecting tube, EC centrifugal blower is equipped with by assembling bracket in the wind-collecting cover, cleaning module for being purified to air is installed in outlet housing, one, which is equipped with, in corresponding air inlet on the inner wall of the shell encloses the step that keeps out the wind, the outer fix of shell is further fixed on secondary air channel, the end of secondary air channel extend into EC centrifugal blower between the step that keeps out the wind, the beneficial effects of the present invention are: passing through the secondary air channel and adjusting valve of design, it can be too fast in EC centrifugal blower revolving speed, pass through the nature in door and window gap It mends when wind is difficult to meet the requirements and carries out benefit wind, can guarantee the indoor stable gas pressure of experiment, be discharged after capable of effectively handling pernicious gas.
Description
Technical field
The present invention relates to a kind of ventilation system for laboratory, specifically a kind of laboratory ventilation system.
Background technique
Laboratory is the cradle of science, is the base of scientific research, the source of development in science and technology plays very development in science and technology
Important role.During the experiment, often generate that such as benzene, toluene, sulfur dioxide, carbon dioxide, hydrogen sulfide are toxic has
Evil gas and polluter, common exhaust fan, which only stops these gas, to be discharged to outside laboratory, can not thoroughly be handled, thus
Cause the pollution to outside atmosphere.
It is crucial that exhaust fan, if revolving speed is very fast, since laboratory is relatively closed environment, passes through in exhaust
The natural benefit wind in door and window gap is difficult to meet the requirements, and is difficult to be discharged through shell at this point, testing indoor pernicious gas, and leads to reality
It tests indoor environment to be contaminated, harm will also result in the health of scientific research personnel.
Summary of the invention
The purpose of the present invention is to provide a kind of laboratory ventilation systems, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of laboratory ventilation system, including shell, EC centrifugal blower and assembling bracket, the shell insertion are mounted on
On wall, the both ends of shell are respectively equipped with air inlet and air outlet, and position opposite wind-collecting cover and outlet housing are equipped in shell,
And connected between wind-collecting cover and outlet housing by connecting tube, EC is equipped with by assembling bracket in the wind-collecting cover and is centrifuged wind
Machine, is equipped with the cleaning module for being purified to air in outlet housing, in corresponding air inlet on the inner wall of the shell
Keep out the wind step equipped with a circle, the outer fix of shell is further fixed on secondary air channel, the end of secondary air channel extend into EC centrifugal blower and
It keeps out the wind between step.
As a further solution of the present invention: adjusting valve being installed on the secondary air channel.
As further scheme of the invention: being separately installed with air-inlet grille and outlet air at the air inlet and air outlet
Grid.
As further scheme of the invention: the cleaning module includes fixed cylinder and is mounted in fixed cylinder
Ultraviolet lamp tube and photocatalyst net are mounted on ventilative net at the both ends open of the fixed cylinder, and ultraviolet lamp tube is mounted on lamp holder,
Lamp holder is fixed on ventilative online, and circular photocatalyst net is set in the outside of ultraviolet lamp tube.
As further scheme of the invention: the wind-collecting cover is made of the conical section and cylindrical section being made into integration, Gu
Safety barrel is inserted into its cylindrical section and is coupled with it, and rubber sleeve is equipped in the gap between cylindrical section and fixed cylinder.
As further scheme of the invention: being equipped with equal wind web plate in the conical section of the wind-collecting cover.
As further scheme of the invention: the ultraviolet lamp tube is encapsulated in interior, plexiglass tent by plexiglass tent
It is fixed in fixed cylinder, reflecting coating is set on the inner wall of the fixed cylinder.
Compared with prior art, it the beneficial effects of the present invention are: passing through the secondary air channel and adjusting valve of design, can be centrifuged in EC
Rotation speed of fan is too fast, carries out benefit wind when being difficult to meet the requirements by the natural benefit wind in door and window gap, can guarantee that experiment is indoor
Stable gas pressure is discharged after capable of effectively handling pernicious gas.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of laboratory ventilation system.
Fig. 2 is what structural schematic diagram in a kind of laboratory ventilation system.
Fig. 3 is air flow graph when a kind of laboratory ventilation system works.
In figure: 1- shell, 2- air inlet, 3- air-inlet grille, 4- wind-collecting cover, 5- connecting tube, 6- outlet housing, 7- fixed cylinder,
8- air outlet, 9- air outlet grate, 10- secondary air channel, 11- adjusting valve, 12-EC centrifugal blower, 13- keep out the wind step, 14- assembling
The equal wind web plate of bracket, 15-, 16- plexiglass tent, 17- ultraviolet lamp tube, 18- photocatalyst net, 19- lamp holder, the ventilative net of 20-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of laboratory ventilation system, including shell 1,12 and of EC centrifugal blower
Assembling bracket 14, the insertion of shell 1 are mounted on wall, and the both ends of shell 1 are respectively equipped with air inlet 2 and air outlet 8,
Position opposite wind-collecting cover 4 and outlet housing 6 are installed in shell 1, and connected between wind-collecting cover 4 and outlet housing 6 by connecting tube 5
It connects, EC centrifugal blower 12 is equipped with by assembling bracket 14 in the wind-collecting cover 4, naturally it is also possible to select other kinds of
Blower is equipped with the cleaning module for being purified to air in outlet housing 6, enters the wind on the inner wall of the shell 1 corresponding
It is equipped with one at mouth 2 and encloses the step 13 that keeps out the wind, the outer fix of shell 1 is further fixed on secondary air channel 10, and the end of secondary air channel 10 is extend into
Between EC centrifugal blower 12 and the step 13 that keeps out the wind, since laboratory is relatively closed environment, in 12 revolving speed mistake of EC centrifugal blower
When fast, it is difficult to meet the requirements by the natural benefit wind in door and window gap, is difficult at this point, testing indoor pernicious gas through shell
1 discharge, and the present embodiment by setting secondary air channel 10 can by the external world natural wind be introduced into wind-collecting cover 4, can effectively by
Pernicious gas discharge.
Further, adjusting valve 11 is installed on the secondary air channel 10, it, can to adjust the air quantity supplemented from secondary air channel 10
To be adjusted according to actual use situation.
Further, air-inlet grille 3 and air outlet grate 9 are separately installed at the air inlet 2 and air outlet 8.
Embodiment 2
The embodiment of the present invention is that the cleaning module in embodiment 1 is further detailed referring to FIG. 1-2, specifically, institute
Stating cleaning module includes fixed cylinder 7 and the ultraviolet lamp tube being mounted in fixed cylinder 7 17 and photocatalyst net 18, the fixed cylinder 7
Both ends open at be mounted on ventilative net 20, the proper flow of air will not be impacted, ultraviolet lamp tube 17 is mounted on lamp
On seat 19, lamp holder 19 is fixed on ventilative net 20, and circular photocatalyst net 18 is set in the outside of ultraviolet lamp tube 17, ultraviolet
Under the irradiation of light, photocatalyst net 18 can carry out oxygenolysis to pollutant, and finally, the air being discharged from air outlet 8 is to extraneous ring
Border is pollution-free, but also not will cause secondary pollution when entering interior by the air that secondary air channel 10 supplements.
The wind-collecting cover 4 is made of the conical section and cylindrical section being made into integration, fixed cylinder 7 be inserted into its cylindrical section and with
It is coupled, but the gap for both needing to guarantee is smaller, prevents air from escaping from the gap of the two, necessary, can also be
Increase rubber sleeve etc. between the gap of the two.
Further, equal wind web plate 15 is installed in the conical section of the wind-collecting cover 4, for guaranteeing that air quantity uniformly enters
Into fixed cylinder 7.
In the ultraviolet lamp tube 17 is encapsulated in by plexiglass tent 16, plexiglass tent 16 is fixed in fixed cylinder 7, to purple
Outer fluorescent tube 17 forms protection, meanwhile, in order to promote the utilization rate of ultraviolet light, reflective painting can be set on the inner wall of fixed cylinder 7
Layer.
It should be strongly noted that shell 1, EC centrifugal blower 12 and assembling bracket 14 etc. are equal in the technical program
For the application of the prior art, and by the secondary air channel 10 and adjusting valve 11 of design, can it is too fast in 12 revolving speed of EC centrifugal blower, pass through
The natural benefit wind in door and window gap carries out benefit wind when being difficult to meet the requirements, this is the innovative point of the application, can guarantee in laboratory
Stable gas pressure, be discharged after capable of effectively handling pernicious gas.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of laboratory ventilation system, including shell (1), EC centrifugal blower (12) and assembling bracket (14), described
Shell (1) insertion is mounted on wall, and the both ends of shell (1) are respectively equipped with air inlet (2) and air outlet (8), peace in shell (1)
Connected equipped with the opposite wind-collecting cover in position (4) and outlet housing (6), and between wind-collecting cover (4) and outlet housing (6) by connecting tube (5)
It connects, is equipped with EC centrifugal blower (12) in the wind-collecting cover (4) by assembling bracket (14), is equipped in outlet housing (6)
Cleaning module for being purified to air, which is characterized in that on the inner wall of the shell (1) at corresponding air inlet (2)
It keeps out the wind step (13) equipped with a circle, the outer fix of shell (1) is further fixed on secondary air channel (10), and the end of secondary air channel (10) is protruded into
To between EC centrifugal blower (12) and the step that keeps out the wind (13).
2. a kind of laboratory ventilation system according to claim 1, which is characterized in that installed on the secondary air channel (10)
There are adjusting valve (11).
3. a kind of laboratory ventilation system according to claim 1, which is characterized in that the air inlet (2) and outlet air
Air-inlet grille (3) and air outlet grate (9) are separately installed at mouth (8).
4. a kind of laboratory ventilation system according to claim 1, which is characterized in that the cleaning module includes fixing
Cylinder (7) and the ultraviolet lamp tube (17) and photocatalyst net (18) being mounted in fixed cylinder (7), the both ends of the fixed cylinder (7) are opened
It is mounted on ventilative net (20) at mouthful, ultraviolet lamp tube (17) is mounted on lamp holder (19), and lamp holder (19) is fixed on ventilative net (20)
On, circular photocatalyst net (18) is set in the outside of ultraviolet lamp tube (17).
5. a kind of laboratory ventilation system according to claim 4, which is characterized in that the wind-collecting cover (4) is by one
Manufactured conical section and cylindrical section composition, fixed cylinder (7) are inserted into its cylindrical section and are coupled with it, cylindrical section and fixation
Rubber sleeve is equipped in gap between cylinder (7).
6. a kind of laboratory ventilation system according to claim 5, which is characterized in that the circular cone of the wind-collecting cover (4)
Equal wind web plate (15) is installed in section.
7. a kind of laboratory ventilation system according to claim 4, which is characterized in that the ultraviolet lamp tube (17) is had
In machine cloche (16) is encapsulated in, plexiglass tent (16) is fixed in fixed cylinder (7), is set on the inner wall of the fixed cylinder (7)
Set reflecting coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811232419.4A CN109631217A (en) | 2018-10-22 | 2018-10-22 | A kind of laboratory ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811232419.4A CN109631217A (en) | 2018-10-22 | 2018-10-22 | A kind of laboratory ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109631217A true CN109631217A (en) | 2019-04-16 |
Family
ID=66066543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811232419.4A Pending CN109631217A (en) | 2018-10-22 | 2018-10-22 | A kind of laboratory ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109631217A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256245A (en) * | 2020-03-19 | 2020-06-09 | 梁志坚 | Air purifying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111256245A (en) * | 2020-03-19 | 2020-06-09 | 梁志坚 | Air purifying device |
| WO2021185060A1 (en) * | 2020-03-19 | 2021-09-23 | 梁志坚 | Air purification device |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |