CN209550199U

CN209550199U - Novel fume chamber

Info

Publication number: CN209550199U
Application number: CN201920210826.9U
Authority: CN
Inventors: 邵东
Original assignee: Suzhou Experimental Equipment Co Ltd En Si Bi
Current assignee: Suzhou Experimental Equipment Co Ltd En Si Bi
Priority date: 2019-02-19
Filing date: 2019-02-19
Publication date: 2019-10-29
Anticipated expiration: 2029-02-19

Abstract

The utility model discloses a kind of Novel fume chamber, including shell, shell has ventilation unit, station and storing portion, and the inside of ventilation shaft is equipped with exhaust blower, and ventilation unit has flow-guiding structure, has denoising structure in ventilation shaft.The gas of operating space in the utility model can be by inlet channel, flow-guiding structure, ventilation pipe and the structure that will make an uproar discharge, during chemical experiment, pernicious gas is often generated, the deflector being arranged alternately by the multilayer of setting slows down air velocity, extend the time of contact with deflector, the harmful components in gas are fully absorbed using activated carbon adsorption layer, improve clean-up effect, the gas through flow-guiding structure can be immediately discharged in air, air will not be polluted, it is environmentally protective.

Description

Novel fume chamber

Technical field

The utility model belongs to vent cabinet technical field more particularly to a kind of ventilation hoods for laboratories.

Background technique

Generally require to do small-scale experiment before chemical technology field, production, with the feasibility of confirmatory experiment or How is person's effect, and the experiment of less demanding of some pairs of experimental situations usually can be completed in simplest laboratory, in test Many reagent bottle and chemical reagent are usually required, and the sequence that is applicable in of these chemical reagent is also according to different chemical experiments It is different, it is very in disorder so to may cause putting for testing stand, and often generate in chemical reaction process and some to have Harmful gas etc., these pernicious gases cannot such as be discharged in time, for experimenter, have some potential safety problems, entirely The safety of experiment is poor.Therefore there have been vent cabinets.Some operations are carried out inside draught cupboard, it in this way can be to avoid some The dirt of poisonous and hazardous gas and substance to the body harm and pernicious gas and substance of operator to Laboratory air Dye.

It is after being collected the pernicious gas in vent cabinet by exhaust blower and to be discharged, blower function in existing vent cabinet If rate is too small, collecting effect is bad, and if power of fan is enough, collecting effect is good, but noise is excessive, especially laboratory It is interior, requirement to volume or higher.

In addition, the toxic and harmful gas to be volatilized is directly dispersed into outdoor through vent cabinet, often not during experimental implementation Discharge standard can be reached, pollute air.

Utility model content

The utility model has mainly solving the technical problems that providing a kind of Novel fume chamber in the inside of ventilation shaft Denoising structure, and filled glass fiber noise elimination cotton between all hush pipes enter hush pipe by the gas that exhaust blower is discharged, and It goes out after hush pipe and glass fibre noise elimination cotton noise reduction, in the process, gas is dry by repeatedly rebounding, eliminating the noise, subtracting, can Noise is reduced, and is equipped with flow-guiding structure in ventilation unit, the gas of operating space is discharged through flow-guiding structure, has ventilation, net gas effect Good advantage will not pollute air so that can be immediately discharged in air after net gas of divulging information, environmentally protective.

In order to solve the above technical problems, the technical solution that the utility model uses is: a kind of Novel fume chamber is provided, Including shell, the front of the shell has the operation port that arm is protruded into for operator, and the inside of the shell has logical Wind portion, station and storing portion, the storing portion are located at the underface of the station, and the vent locations are in the station Top, overhead door is installed at the shell of the corresponding operation port, the overhead door can be above and below the sliding slot of the shell Sliding, the space of the surface of station are operating space, have between the operating space and ventilation unit first partition and second every Plate, the second partition are set to the top of the operating space, and the first partition is parallel to the rear wall of the shell, and described There is inlet channel between first partition and the station, the inlet channel is connected to the operating space and the ventilation unit, The inside of the ventilation unit has flow-guiding structure, and the upper side wall of the shell connects ventilation shaft, and sets in the ventilation shaft There is exhaust blower, the inside of the ventilation shaft is additionally provided with denoising structure；

The denoising structure includes more and is parallel to the hush pipe of ventilation shaft and is filled in the ventilation shaft and institute State the glass fibre noise elimination cotton between the inner wall of ventilation shaft；

Each hush pipe is all the porous type plastic pipe for being covered with hole, and the outer surface of each porous type plastic pipe is wrapped up The caliber of non-woven fabrics, the hush pipe is 5-10mm, and the distance between all described hush pipes are 10-15mm；The ventilation The length that the inside of pipeline is equipped with that section of denoising structure is 20-50cm；

The inside of the vent cabinet is additionally provided with headlamp and sink；

The flow-guiding structure includes muti-piece deflector, and the deflector is parallel to the station, and the deflector is in institute It states the short transverse of vent cabinet in parallel and interval is arranged, the deflector includes front flow guiding plate and rear deflector, and described leading The front side of the rear side of flowing plate and the rear deflector is interlaced；

Activated carbon adsorption layer of each deflector all by being located in the middle substrate and positioned at substrate two sides forms, the activity Charcoal adsorption layer with a thickness of 3-5mm.

In order to solve the above technical problems, the further technical solution that the utility model uses is: the front flow guiding plate is with after The width of deflector is all the 2/3-3/4 of the width of the ventilation unit, and the front flow guiding plate and it is described after deflector staggeredly The width of section is the 1/3-1/2 of the width of the ventilation unit, and the distance between adjacent front flow guiding plate and rear deflector are described logical The 1/3-1/2 of the width in wind portion.

It further says, the storing portion is equipped with door-plate, and the door-plate is equipped with handle, the side of the door-plate and the shell Body is hinged, and the other side is equipped with the handle for opening-door plate.

Further say that there is yielding rubber between the left side and right edge of the overhead door and the sliding slot of the shell Item, the cross sectional shape of the rubber strip are similar with the cross sectional shape of the sliding slot.

It further says, the caliber of the hush pipe is 8mm, and the distance between all described hush pipes are 12mm；Institute The length of that section that the inside for stating ventilation shaft is equipped with denoising structure is 35cm.

It further says, the overhead door is transparent plastic door, and the transparent plastic door is PVC, PMMA, PP Or PS.

It further says, the aperture of the hole of the hush pipe is 2-3mm.

It further says, the substrate is anticorrosive material plate.

It further says, the substrate is PP plate.

It further says, the second partition tilts from front to back and from top to bottom, and the inclined angle of the second partition Degree is 10-20 °.

The beneficial effects of the utility model are:

The utility model includes shell, and shell has ventilation unit, station and storing portion, and the inside of ventilation shaft is equipped with Exhaust blower, ventilation unit have flow-guiding structure, have denoising structure in ventilation shaft, the gas of operating space can be logical by air inlet Road, flow-guiding structure, ventilation pipe and the structure that will make an uproar discharge, during chemical experiment, often generate pernicious gas, pass through The deflector that the multilayer of setting is arranged alternately slows down air velocity, extends the time of contact with deflector, utilizes activated carbon adsorption Layer fully absorbs the harmful components in gas, improves clean-up effect, and the gas through flow-guiding structure can be immediately discharged in air, no Air can be polluted, it is environmentally protective；

Furthermore the denoising structure of the utility model includes hush pipe, filled glass fiber noise elimination cotton between all hush pipes, Enter hush pipe by the gas that exhaust blower is discharged, and go out after hush pipe and glass fibre noise elimination cotton noise reduction, in this process In, gas is dry by repeatedly rebounding, eliminating the noise, subtracting, and can reduce noise；

Furthermore the flow-guiding structure of the utility model includes muti-piece front flow guiding plate and rear deflector, while after front flow guiding plate Side and the front side of rear deflector interlock, and the distance between cross width and adjacent baffle are rationally, this design, so that containing Harmful components gas in uphill process, repeatedly contact and pat with deflector, guarantee harmful components and deflector work Property charcoal adsorption layer sufficiently acts on, purification gas；More preferably, the front side cross width of the rear side of front flow guiding plate and rear deflector is suitable Preferably, while guaranteeing clean-up effect, and it can guarantee that airflow is smooth.

Furthermore each hush pipe of the utility model is all the porous type plastic pipe that tube wall is covered with hole, and each porous Non-woven fabrics is all wrapped up in the outer surface of formula galvanized pipe, and very big limit absorbs noise, plays Noise Reduction；

Furthermore filled glass fiber noise elimination cotton between all hush pipes of the denoising structure of the utility model, gas pass through Hush pipe discharge, and the glass fibre noise elimination cotton that noise is filled between hush pipe absorbs, this design will not both hinder wind speed Flowing can guarantee that exhaust blower obtains enough intakes；Noise can be made to rebound to the greatest extent again, noise reduction, noise reduction effect is good.

The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model Art means, and can be implemented in accordance with the contents of the specification, with the preferred embodiment of the utility model, detailed description is as follows below.

Detailed description of the invention

Fig. 1 is the outside drawing of the utility model；

Fig. 2 is the right view of the utility model；

Fig. 3 is the sectional view of the front flow guiding plate of the utility model；

Fig. 4 is the structural schematic diagram of the ventilation shaft of the utility model；

Fig. 5 is the axial cross-sectional view of the ventilation shaft of the utility model；

Shell 1, operation port 2, ventilation unit 3, station 4, storing portion 5, overhead door 6, ventilation shaft 7, hush pipe 81, glass Glass fiber noise elimination cotton 82, front flow guiding plate 91, substrate 911, activated carbon adsorption layer 912, rear deflector 92, door-plate 10, handle 11, First partition 12, second partition 13, inlet channel 14, operating space 15, the inclined angle [alpha] of the second partition, hush pipe pipe The distance between diameter d1, hush pipe d2.

Specific embodiment

Illustrate specific embodiment of the present utility model below by way of particular specific embodiment, those skilled in the art can The advantages of the utility model is understood by content disclosed in the present specification easily and effect.The utility model can also it is other not Same mode is practiced, that is, under the scope of revealed without departing substantially from the utility model, can give different modification and change.

Embodiment: a kind of Novel fume chamber, as shown in Fig. 1 to Fig. 5, including shell 1, the front of the shell, which has, to be used for Operator protrudes into the operation port 2 of arm, and the inside of the shell has ventilation unit 3, station 4 and storing portion 5, the storing Portion is located at the underface of the station, and the vent locations are in the top of the station, the shell of the corresponding operation port Place is equipped with overhead door 6, and the overhead door can be slided up and down along the sliding slot of the shell, and the space of the surface of station is Operating space 15, has first partition 12 and second partition 13 between the operating space and ventilation unit, the second partition is set to institute The top of operating space is stated, the first partition is parallel to the rear wall of the shell, and the first partition and the station Between there is inlet channel 14, the inlet channel is connected to the operating space and the ventilation unit, the inside tool of the ventilation unit There is flow-guiding structure, the upper side wall of the shell connects ventilation shaft 7, and is equipped with exhaust blower, the ventilation in the ventilation shaft The inside of pipeline is additionally provided with denoising structure 8；

As shown in Figure 4 and Figure 5, the denoising structure includes the more hush pipes 81 for being parallel to ventilation shaft and filling Glass fibre noise elimination cotton 82 between the ventilation shaft and the inner wall of the ventilation shaft；

Each hush pipe is all the porous type plastic pipe for being covered with hole, and the outer surface of each porous type plastic pipe is wrapped up The caliber d1 of non-woven fabrics, the hush pipe is 5-10mm, and the distance between all described hush pipes d2 is 10-15mm；It is described The length that the inside of ventilation shaft is equipped with that section of denoising structure is 20-50cm；

The inside of the vent cabinet is additionally provided with headlamp and sink (meaning not shown)；

As shown in Fig. 2, the flow-guiding structure includes muti-piece deflector, the deflector is parallel to the station, described Deflector is parallel in the short transverse of the vent cabinet and interval is arranged, and the deflector includes front flow guiding plate 91 and rear deflector 92, and the front side of the rear side of the front flow guiding plate and the rear deflector is interlaced；

As shown in figure 3, activated carbon adsorption layer of each deflector all by being located in the middle substrate 911 and positioned at substrate two sides 912 composition, the activated carbon adsorption layer with a thickness of 3-5mm.

In the present embodiment, it is preferable that the caliber of the hush pipe is 8mm, and the distance between all described hush pipes are equal For 12mm；The length that the inside of the ventilation shaft is equipped with that section of denoising structure is 35cm.

The width of the front flow guiding plate and rear deflector is all the 2/3-3/4 of the width of the ventilation unit, and described leading The width of flowing plate and the staggeredly section of the rear deflector is the 1/3-1/2 of the width of the ventilation unit, and adjacent front flow guiding plate is with after The distance between deflector is the 1/3-1/2 of the width of the ventilation unit.

In the present embodiment, it is preferable that the width of the front flow guiding plate and rear deflector is all the width of the ventilation unit 2/3, and the front flow guiding plate and it is described after deflector staggeredly section width be the ventilation unit width 1/3, it is adjacent The distance between front flow guiding plate and rear deflector are the 1/3 of the width of the ventilation unit.

As shown in Figure 1, the storing portion is equipped with door-plate 10, the door-plate is equipped with handle 11, the side of the door-plate and institute Housing hinge is stated, and the other side is equipped with the handle for opening-door plate.

It is preferred that having yielding rubber between the left side and right edge of the overhead door and the sliding slot of the shell Item, the cross sectional shape of the rubber strip are similar with the cross sectional shape of the sliding slot.

The overhead door is transparent plastic door, and the transparent plastic door is PVC (polyvinyl chloride) door, PMMA (poly- methyl-prop E pioic acid methyl ester) door, PP (polypropylene) door or PS (polystyrene) door, but not limited to this.

In the present embodiment, the aperture of the hole of the hush pipe is 2-3mm.

The substrate is anticorrosive material plate.For example, the substrate is PP plate, but not limited to this.

In the present embodiment, the second partition tilts from front to back and from top to bottom, and the inclined angle of the second partition Spending α is 10-20 °.

The working principle and the course of work of the utility model are as follows:

Pernicious gas that operating space generates etc. can be under the action of exhaust blower through inlet channel, flow-guiding structure and ventilation shaft Deng discharge, when gas enters flow-guiding structure: the deflector being arranged alternately by the multilayer of setting slows down air velocity, extend with The time of contact of deflector fully absorbs the harmful components in gas using activated carbon adsorption layer, clean-up effect is improved, through water conservancy diversion The gas of structure can be immediately discharged in air, will not pollute air, environmentally protective；

When wherein gas enters denoising structure: gas enters hush pipe, and through hush pipe and glass fibre noise elimination cotton noise reduction After go out, in the process, gas can reduce noise by repeatedly rebounding, eliminating the noise, subtracting dry.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Using equivalent structure made by the utility model specification, it is applied directly or indirectly in other relevant technical fields, same Reason includes in the scope of patent protection of the utility model.

Claims

1. a kind of Novel fume chamber, it is characterised in that: the vent cabinet includes shell (1), and the front of the shell, which has, to be used for Operator protrudes into the operation port (2) of arm, and the inside of the shell has ventilation unit (3), station (4) and storing portion (5), The storing portion is located at the underface of the station, and the vent locations are in the top of the station, the corresponding operation Mouthful shell at be equipped with overhead door (6), the overhead door can be slided up and down along the sliding slot of the shell, station just on The space of side is operating space (15), has first partition (12) and second partition (13), institute between the operating space and ventilation unit The top that second partition is set to the operating space is stated, the first partition is parallel to the rear wall of the shell, and described first There are inlet channel (14) between partition and the station, the inlet channel is connected to the operating space and the ventilation unit, The inside of the ventilation unit has flow-guiding structure, and the upper side wall of the shell connects ventilation shaft (7), and in the ventilation shaft Equipped with exhaust blower, the inside of the ventilation shaft is additionally provided with denoising structure (8)；

The denoising structure includes more and is parallel to the hush pipe (81) of ventilation shaft and is filled in the ventilation shaft and institute State the glass fibre noise elimination cotton (82) between the inner wall of ventilation shaft；

Each hush pipe is all the porous type plastic pipe for being covered with hole, and nonwoven is wrapped up in the outer surface of each porous type plastic pipe The caliber (d1) of cloth, the hush pipe is 5-10mm, and the distance between all described hush pipes (d2) are 10-15mm；It is described The length that the inside of ventilation shaft is equipped with that section of denoising structure is 20-50cm；

The flow-guiding structure includes muti-piece deflector, and the deflector is parallel to the station, and the deflector is described logical The short transverse of wind cabinet is parallel and interval is arranged, and the deflector includes front flow guiding plate (91) and rear deflector (92), and described The front side of the rear side of front flow guiding plate and the rear deflector is interlaced；

Activated carbon adsorption layer (912) of each deflector all by being located in the middle substrate (911) and positioned at substrate two sides forms, institute State activated carbon adsorption layer with a thickness of 3-5mm.

2. Novel fume chamber according to claim 1, it is characterised in that: the width of the front flow guiding plate and rear deflector is all For the 2/3-3/4 of the width of the ventilation unit, and the front flow guiding plate and it is described after the width of staggeredly section of deflector be described The 1/3-1/2 of the width of ventilation unit, the distance between adjacent front flow guiding plate and rear deflector are the 1/ of the width of the ventilation unit 3-1/2。

3. Novel fume chamber according to claim 1, it is characterised in that: the storing portion is equipped with door-plate (10), the door Plate is equipped with handle (11), the side of the door-plate and the housing hinge, and the other side is equipped with the handle for opening-door plate.

4. Novel fume chamber according to claim 1, it is characterised in that: the left side and right edge of the overhead door and institute Stating has yielding rubber item between the sliding slot of shell, the cross sectional shape of the rubber strip is similar with the cross sectional shape of the sliding slot.

5. Novel fume chamber according to claim 1, it is characterised in that: the caliber of the hush pipe is 8mm, all described The distance between hush pipe is 12mm；The length that the inside of the ventilation shaft is equipped with that section of denoising structure is 35cm.

6. Novel fume chamber according to claim 1, it is characterised in that: the overhead door is transparent plastic door, described Bright plastic door is PVC, PMMA, PP or PS.

7. Novel fume chamber according to claim 1, it is characterised in that: the aperture of the hole of the hush pipe is 2-3mm.

8. Novel fume chamber according to claim 1, it is characterised in that: the substrate is anticorrosive material plate.

9. Novel fume chamber according to claim 1, it is characterised in that: the substrate is PP plate.

10. Novel fume chamber according to claim 1, it is characterised in that: the second partition from front to back and on to Lower inclination, and the inclined angle of the second partition is 10-20 °.