CN201195165Y

CN201195165Y - Energy-conservation safety-protection table cabinet structure

Info

Publication number: CN201195165Y
Application number: CNU2008201127160U
Authority: CN
Inventors: 雷永健
Original assignee: LABTECH EQUIPMENT CORP
Current assignee: LABTECH EQUIPMENT CORP
Priority date: 2008-05-09
Filing date: 2008-05-09
Publication date: 2009-02-18
Anticipated expiration: 2018-05-09

Abstract

The utility model relates to an energy-saving and safe protective cabinet which is applicable to workers for treating hazardous substances harmful to the human body or unfavorable for environment. The energy-saving and safe protective cabinet is mainly characterized in that the upper opening of a pallet is provided with a desktop which can be moved; an air feeding channel is arranged below the desktop so that the air fed in the pallet forms ascending air stream on the desktop and prevent hazardous substances on the desktop from overflowing, and then the air stream is discharged to an appropriate place through an air outlet or sent back to the pallet after the treatment; in addition, the outflowed liquid substances or sewage from the desktop can flow into the pallet for collection and removal, or can be directly discharged to an appropriate place or filtering equipment, achieving the purpose of pollution control, fire prevention and energy conservation.

Description

Energy-saving safety protection table cabinet structure

Technical field

The utility model relates to a kind of exhaust gas cabinet, refers to a kind of Working table cabinet when being used for protecting the staff to be engaged in human body or environmentally hazardous substance work especially, for example the exhaust gas cabinet that uses of chemical laboratory.

Background technology

General existing use chemical substance is in case the exhaust gas cabinet structure (as shown in Figure 7) that pernicious gas leaks, mainly be above a desktop 71, to have a wind-collecting cover 72, and between desktop 71 and wind-collecting cover 72, be set as three sealings, simultaneously (the place ahead) is the opening 73 that can be unlocked and be open, described one existing exhaust gas cabinet framed side wallboard 74 the place aheads within it is provided with a baffle plate 75 and extends upwardly to wind-collecting cover 72 belows, make and have the passage of suitable gap between baffle plate 75 and side lining 74 and the wind-collecting cover 72 as the exhaust outlet 76 that leads to wind-collecting cover 72 tops, utilize the air exhauster 77 that is located in the exhaust outlet 76 to bleed again, and be connected to the open air with the ventilation duct (omitting among the figure) that is connected on the exhaust outlet 76, according to and, can will in described exhaust gas cabinet, carry out the harmful substance that object produced of work and air pump away and make safety dumping.

As above-mentioned existing structure, the door-plate in the place ahead is opened and when being open space and can allowing the practitioner operate, its suction that only relies on the air exhauster 77 in the exhaust outlet 76 is sucked the air of extraneous (exhaust gas cabinet outer indoor) by opening 73, make it be a negative pressure state and prevent that noxious air from leaking; But, general such a exhaust situation, it will suck the outer air of a lot of exhaust gas cabinets, just cold air in the laboratory or heating installation consumption are very big, form outside the too much energy waste, and its meeting in the space of exhaust gas cabinet forms a return-flow structure on a large scale, near the meeting formation sinuous flows feasible opening in front 73, more cause harmful substance in the exhaust gas cabinet that the misgivings of leakage are arranged, especially in practitioner's both hands and front its produce the situation of sinuous flow and leakage can be more serious; Again, below the horizontal baffle 75 of exhaust gas cabinet upper end, also can produce the state of air trapping, make the unclear situation of its effect that pump drainage gas takes place; Secondly, when the object that carries out operation in described exhaust gas cabinet has liquid or sewage to flow out and the pollution desktop, or when needing to change desktop because of need of work or because of damage, the described existing work aspect that is configured in cleaning, washs and changes suitable desktop material, its cost height and perform difficulty.Therefore, the disappearance when above-mentioned existing exhaust gas cabinet is configured in its use, and think that necessity of research improvement is again arranged.

This case utility model designer can produce bad gas flowfield because above-mentioned existing exhaust gas cabinet is configured in when it uses, causing harmful substance to produce leaks, waste room conditioning (cold/heating installation) energy, and for the cleaning in using or when adjusting action and need the replacing desktop disappearance of difficulty, through studying intensively, and long-pending individual is engaged in the many years of experience of the design and the manufacturing of described product, and a kind of brand-new " energy-saving safety protection table cabinet structure " designed in research and development eventually.

Summary of the invention

The utility model main purpose is providing a kind of energy-saving safety protection table cabinet structure, it is that opening in pallet upper end is provided with the desktop that can remove, be used in the gap (or the hole on the desktop) between desktop and pallet, make the air of sending in the pallet produce the air-flow that rises, can prevent that the pernicious gas in it from leaking, the liquid or the sewage that overflow desktop can be collected, discharged by pallet simultaneously, reach the effect of security protection and prevention and cure of pollution.

The utility model time purpose is providing a kind of energy-saving safety protection table cabinet structure, the gas of wherein sending in the pallet is outdoor through giving tracheae or extracting for gas equipment, or discharge contaminated air by exhaust outlet and reclaim originating of use again to gas through treatment facility, can reduce the consumption of cold in the laboratory/heating installation, reach the effect of energy savings.

The utility model purpose is again providing a kind of energy-saving safety protection table cabinet structure, and desktop wherein is the design that can be removed, and can be convenient to change desktop and clean desktop, pallet, with the cleaning that can promote ease of use and keep equipment.

The another purpose of the utility model is providing a kind of energy-saving safety protection table cabinet structure, and it also can provide the gas of fire extinguishing to enter in the pallet, and can reach the fire extinguishing effect to described protection table cabinet.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of energy-saving safety protection table cabinet structure, include tables and to should tables one wind-collecting cover of top, described wind-collecting cover is provided with an exhaust outlet, and relies on an airduct to be connected to outdoor direct discharging, or is disposed to indoor or outdoors through an airhandling equipment; It is characterized in that:

At least be provided with a pallet on the described tables, and in the pallet upper end open, be provided with the desktop that to remove, and between one side of desktop and bottom surface and pallet, maintain the gap at least, and be provided with one in pallet inside at least and give tracheae or be connected to and the originating of indoor isolation for gas equipment to gas.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: when using according to above-mentioned tectonic association, wherein be that air blast that rely on to connect or the suction of giving gas equipment are extracted outdoor air to tracheae, or behind the recovery air that airhandling equipment filters, air-flow by send into pallet to tracheae in, gap or the hole on the desktop along pallet and desktop periphery blow out the exhaust outlet that a gas that rises flows to the top, has the air-flow of isolating inside and outside the desktop scope with formation, prevent that the pernicious gas in the table cabinet from overflowing desktop scope, with and can reduce in a large number and suck cold/heating installation in the laboratory, and the effect that reaches prevention and cure of pollution and save air conditioner energy source; In addition, liquid that overflows on the table or sewage will remove after will flowing into and collecting in the pallet again, or in the tray bottom in succession drainpipe sewage is drained into suitable place or sewage disposal device, and can prevent that noxious material from overflowing with sewage, further reach the effect of preventing and remedying pollution, and can be convenient to the user and clean a described cabinet.

Description of drawings

Fig. 1 is the schematic perspective view of an embodiment of the present utility model;

Fig. 2 is the combination section of Fig. 1;

Fig. 3 is the combination generalized section of the utility model time embodiment;

Fig. 4 is the utility model combination generalized section of an embodiment again;

Fig. 5 is the combination generalized section of the another embodiment of the utility model;

Fig. 6 is the combination generalized section of another embodiment of the utility model;

Fig. 7 is the combination generalized section of an existing structure.

Description of reference numerals: tables 10; Pallet 20; Wind-collecting cover 30; Desktop 40; Gap 50; Give gas equipment 60; Wallboard 11; Opening 12; Drainpipe 21; Exhaust outlet 31; Tracheae 32; Hole 41; Give tracheae 61; Air blast 62; Airduct 63; Desktop 71; Wind-collecting cover 72; Opening 73; Side lining 74; Baffle plate 75; Exhaust outlet 76; Air exhauster 77.

The specific embodiment

For making your juror further understanding and understanding be arranged, lift several possible embodiments now and cooperate graphic being described in detail as follows structure of the present utility model, device and feature thereof:

At first see also Fig. 1 and shown in Figure 2, the utility model energy-saving safety protection table cabinet structure, mainly be to include tables 10, and a wind-collecting cover 30 that should tables 10 tops formed, described wind-collecting cover 30 is provided with an exhaust outlet 31, and rely on a tracheae 32 be connected to outdoor direct discharging or through an airhandling equipment (as: air cleaner or ozonization equipment, not shown in the figures) is clean handle after discharger again; Its feature exists: be provided with a pallet 20 on the described tables 10, and in pallet 20 upper end open, be provided with the desktop that to remove 40, but and between one side of desktop 40 and bottom surface and pallet 20, maintain the gap 50 of supplied gas circulation at least, and be provided with one in pallet 20 bottoms at least and be connected to and the originating of indoor isolation for gas equipment 60 for tracheae 61 or to gas.Again, the above-mentioned gas equipment 60 of giving is that air blowing end at an air blast 62 connects to tracheae 61 to pallet 20 inside, the suction end of air blast 62 then is connected to gas with an airduct 63 and originates, and described the source to gas is outdoor air, or the recovery air of the contaminated air of sending by the exhaust outlet 31 of wind-collecting cover 30 after airhandling equipment (as: air cleaner or ozonization equipment, not shown in the figures) filters; And wherein can many connect for gas equipment and airhandling equipment to use, or connect a use for many protection table cabinets.

Fig. 1 and shown in Figure 2 for another example, present embodiment is that a kind of four limits between pallet 20 and desktop 40 all are open kenel, promptly its four limits at desktop 40 all have appropriate gap 50.Again, can be provided with several holes 41 (as the 1st, 2 figure) as the surface of above-mentioned desktop 40, allowing air-flow rise thus, and can allow sewage thus hole 41 flow into pallets 20 back dischargings; And above-mentioned desktop 40 is to adopt the identical material of a slice to make, or several pieces identical or different materials make, and its thickness also can be made on demand, and can bigger operation elasticity be arranged to the user.

Shown in the above-mentioned embodiment that please consults Fig. 3 again, it is that a kind of three masks have wallboard 11 sealings, and the front is the table cabinet of an open opening 12 (described opening 12 also can be provided with an openable door), wherein promptly at least will opening 12 on one side pallet 20 and desktop 40 between have gap 50, other three limits are then not essential; Again, exhaust outlet 31 as shown in Figure 3 be can be located near wind-collecting cover 30 or rear side wallboard 11 upper ends, or exhaust outlet as shown in Figure 1 31 is provided in a side of the top of wind-collecting cover 30, and one can be provided with air exhauster in exhaust outlet 31.

When using according to above-mentioned tectonic association, the tracheae 61 of giving wherein is after air blast 62 extracts recovery air outdoor or that handle after filtration, air-flow is by after sending into pallet 20 interior for tracheae 61, the gas that blows out rising along the gap 50 (or the hole 41 on the desktop) of pallet 20 and desktop 40 peripheries flows in the wind-collecting cover 30, and can rely on the suction of bleeding of establishing air exhauster in the exhaust outlet 31 to form the effect of better air-guiding direction by the air-flow that desktop 40 is upwards sent, has the effect of isolating air-flow inside and outside desktop 40 scopes with formation, prevent that the pernicious gas in the table cabinet from overflowing outside desktop 40 scopes, and wherein provide the required air of pallet 20 because of being to take from gas outdoor or that reclaim after filtering by wind-collecting cover 30, suck cold/heating installation in the laboratory so a described cabinet device can reduce, and reach the effect of prevention and cure of pollution and energy savings; In addition, liquid that overflows on desktop 40 or sewage will flow in the pallet 20, remove again after can directly relying on pallet 20 to be collected, and can prevent that noxious material from overflowing with sewage, reach the effect of preventing and remedying pollution, and can be convenient to user's cleaning trays 20 or desktop 40, with the sanitation and hygiene of keeping a described cabinet and the security of using.

The structure of the foregoing description for another example, when the exhaust outlet 31 on the wind-collecting cover 30 wherein is disposed to after being connected to airhandling equipment for tracheae 32 when outdoor, it can reduce the pollution of environment or harm, uses effect can promote it; Again, the airhandling equipment that exhaust outlet 31 on wind-collecting cover 30 is connected, when being same equipment with the airhandling equipment of being connected for tracheae 61 of pallet 20 bottoms, the employed gas of then described energy-saving safety protection table cabinet can be recycled, and reduces the consumption to the cold/heating installation in the laboratory; Moreover the gas equipment 60 of giving of being connected for tracheae 61 of aforementioned pallet 20 bottoms also can include the gas (as: CO of a fire extinguishing ₂), be engaged in the inflammable articles experiment or the situation of breaking out of fire in use when described energy-saving safety protection table cabinet, it is convertible into provides fire-suppressant gas to pallet 20, to reach the effect of fire prevention and fire extinguishing.

In addition, can be connected with a drainpipe 21 in pallet 20 bottoms, described drainpipe 21 rear ends extend to suitable place or sewage disposal device (as: filtration deodorization equipment or sedimentation basin, aeration tank, a water butt etc., not shown in the figures), the sewage discharge that to overflow desktop 40 is to suitable place or sewage disposal device, or drainpipe 21 drainage to the bucket (not shown) that rely on pallet 20 bottoms to connect are collected in and remove, can make things convenient for and further reach the effect of preventing and remedying pollution.

As above-mentioned structure, in the utility model alleged pallet 20 can be independent one constitute, also can be designed to shown in other two kinds of alternate embodiment of Fig. 4 and Fig. 5, Fig. 4 wherein is a kind of embodiment structure with double decked flat pallet 20, and Fig. 5 is a kind of embodiment structure with three layers of pallet 20; Perhaps as shown in Figure 6, wherein be by several pallet 20 levels and connect and form a larger area scope that it is local or contain the four corner of whole desktop 40 that its scope can be desktop 40; Same, the desktop 40 above pallet 20 also can form a larger area desktop (not shown) side by side by several desktops 40 thereupon and use.

As three above-mentioned alternate embodiment, it is the pallet 20 that is provided with two layers or three layers in mode overlapping and that possess appropriate gap, equally, be in the pallet 20 of the superiors, to be provided with the desktop that to remove 40, and between pallet 20 and desktop 40, has gap 50, and also have gap 50 between pallet 20 and pallet 20, and a pallet 20 bottoms at least therein are connected with one and give tracheae 61 (present embodiment is to make to gas equipment to be communicated in the pallet of the bottom to best); In addition, also can be provided with a drainpipe 21 in each layer pallet 20 bottoms and be connected to suitable discharge sites or sewage disposal device; According to and, the air that described embodiment can avoid forming gas hood circulates in same gap 50 with the sewage that overflows desktop 40, causing gap 50 to send the situations that powerful air-flow atomizes sewage or the obstruction effluent stream is gone in the pallet 20 takes place, and make effluent stream go into the gap 50 of pallet 20, with the gap 50 of giving ascending air that tracheae 61 is sent is different passages, reaches can form gas hood really and allow effluent stream go into the purpose of the interior back discharging of pallet 20.

More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.

Claims

1. an energy-saving safety protection table cabinet is constructed, include tables and to should tables one wind-collecting cover of top, described wind-collecting cover is provided with an exhaust outlet, and relies on an airduct to be connected to outdoor direct discharging, or is disposed to indoor or outdoors through an airhandling equipment; It is characterized in that:

2. energy-saving safety protection table cabinet structure according to claim 1, it is characterized in that: described pallet is overlapping to be provided with two to three layers, and in the De Alto of the superiors dish, be provided with the desktop that to remove, and between pallet and desktop, and all have the gap between pallet and pallet, and a pallet inside at least therein is provided with to gas and originates.

3. energy-saving safety protection table cabinet structure according to claim 1, it is characterized in that: described pallet is constituted by the mode of several level splicings, and its scope is the desktop part or contains in the desktop adjacent range.

4. according to claim 1 or 2 or 3 described energy-saving safety protection table cabinet structures, it is characterized in that: described is that an air blast is arranged to gas equipment, the air blowing end of described air blast is through being connected to pallet inside to tracheae, and the suction end of described air blast then is connected to outdoor or airhandling equipment with an airduct.

5. energy-saving safety protection table cabinet structure according to claim 4, it is characterized in that: the described source to gas includes the employed gas of fire-fighting fire extinguishing.

6. according to claim 1 or 2 or 3 described energy-saving safeties protection table cabinets structure, it is characterized in that: described desktop is a monolithic or by the splicing of the desktop more than a slice, has the gap between the desktop or between desktop and pallet or on the desktop.

7. energy-saving safety protection table cabinet structure according to claim 6, it is characterized in that: described desktop has several holes.

8. according to claim 1 or 2 or 3 described energy-saving safety protection table cabinet structures, it is characterized in that: be connected with a drainpipe in the tray bottom, described drainpipe rear end extends to a suitable place or a sewage disposal device.

9. energy-saving safety protection table cabinet structure according to claim 1 is characterized in that: be provided with an air exhauster in described exhaust outlet or the airduct.

10. energy-saving safety protection table cabinet structure according to claim 9 is characterized in that: be located at the air exhauster of exhaust outlet, with the air blast in the airduct connection air feed equipment, making supply and exhaust is that endless form is used.