CN205235600U - It platform draft hood - Google Patents
It platform draft hood Download PDFInfo
- Publication number
- CN205235600U CN205235600U CN201521041846.6U CN201521041846U CN205235600U CN 205235600 U CN205235600 U CN 205235600U CN 201521041846 U CN201521041846 U CN 201521041846U CN 205235600 U CN205235600 U CN 205235600U
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- CN
- China
- Prior art keywords
- filter
- cover body
- filtering device
- balance table
- level filtering
- 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.)
- Expired - Fee Related
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an it platform draft hood, its characterized in that: the cover body of balance bench is located including the cover, the bottom of cover body front side is equipped with operate door, the top of cover body rear side is equipped with a vent, install filter equipment on the vent, filter equipment includes the cavity frame, sets gradually one -level filter equipment, gas collecting channel, fan and second grade filter equipment in the cavity frame, the bottom of level filtering device support in on the vent, gas collecting channel and fan set gradually in between level filtering device and the second grade filter equipment, just the air intake of fan with the air outlet of gas collecting channel links to each other, the gas collecting channel is the loudspeaker form, the gas collection gauze mask of gas collecting channel in on the top surface of level filtering device, the air outlet of fan support in on second grade filter equipment's the bottom surface. The utility model discloses a set up filter equipment, operating personnel's safety is guaranteed in environmental protection more.
Description
Technical field
The utility model relates to a kind of laboratory equipment, relates in particular to a kind of balance table ventilator cowling.
Background technology
Balance is the measurement instrument of laboratory indispensability, and the stability that balance weighs and accuracy are to experimenterResearch work have direct impact. Balance often needs to be placed on the balance with shock-absorbing function while weighingOn platform, carry out, to ensure the accuracy of weighing result. Experimenter is weighing when some powdered samples,Often ignore powder and weighed the safety problem that may cause. Experimenter's conducting powder end weighs especiallyWhen toxic powder weighs, owing to can't see dust from flying, just take for and do not suck dust, and actualOn sucked harmful dust, endanger healthy. Therefore, in order to ensure experimenter's safety,Experimenter, in the time carrying out poisonous and harmful liquid or powder weighing, should establish in the ventilation with air-exhausting functionIn standby, carry out. But on existing balance table, do not possess the ventilation equipment of corresponding function, experimenter'sSafety can not get corresponding guarantee.
Summary of the invention
The utility model object is to provide a kind of balance table ventilator cowling, by using this structure, can ensure logicalThe air draft effect of fan housing, prevents that operating personnel from sucking harmful substance, ensures operating personnel's safety.
For achieving the above object, the technical solution adopted in the utility model is: a kind of balance table ventilator cowling,Comprise the cover body covering on balance table, described cover body comprises framework and is arranged at the glass in framework, instituteState framework surface and be provided with epoxy coating; The bottom of described cover body front side is provided with actuating doors, described cover bodyThe top of rear side is provided with a ventilating opening, on described ventilating opening, filter is installed, described filter bagDraw together hollow frame, be set in turn in first level filtering device, gas skirt, blower fan and secondary in hollow frameFilter, the bottom of described first level filtering device is butted on described ventilating opening, described gas skirt and blower fanBe set in turn between described first level filtering device and two-stage filter, and the air inlet of described blower fan withThe air outlet of described gas skirt is connected; Described gas skirt is horn-like, the gas collection mouth mask of described gas skirt inOn the end face of described first level filtering device, the air outlet of described blower fan is butted on the end of described two-stage filterOn face.
In technique scheme, described first level filtering device comprises the first activated carbon filtration net arrangement and HEPAScreen pack, the bottom of described HEPA screen pack is butted on described ventilating opening, described the first activated carbon filtrationNet is installed on described HEPA screen pack, and the gas collection mouth of described gas skirt is butted on described the first active carbon mistakeOn filter screen.
In technique scheme, described two-stage filter is the second activated charcoal strainer.
In technique scheme, the both sides of described cover body are respectively equipped with a plug wire hole.
In technique scheme, on the cover body of described ventilating opening top, be also provided with fluorescent lamp and control panel.
In technique scheme, described actuating doors is provided with two gathering holes, be respectively the first gathering hole andThe second gathering hole, described the first gathering hole and the second gathering hole are symmetrically set.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. in the utility model, the bottom of cover body front side is provided with actuating doors, and establish at the top of described cover body rear sideHave a ventilating opening, on described ventilating opening, filter is installed, operating personnel are by two on actuating doorsGathering hole carries out weighing operation, and the filter on ventilating opening is by the pernicious gas in cover body and harmful powderFilter, fully ensure the cleaning of laboratory air, ensure operating personnel's safety, prevent air to causePollute environmental protection more;
2. the filter in the utility model is Multistage filtering device, adopts HEPA screen pack and activityCharcoal screen pack, for absorbing airborne sour gas and powder in cover body, Multistage filtering device, filtersEffect is stronger.
Brief description of the drawings
Fig. 1 is the structural representation in the utility model embodiment mono-;
Fig. 2 is the mounting structure schematic diagram in the utility model embodiment mono-.
Wherein: 1, balance table; 2, cover body; 3, framework; 4, glass; 5, actuating doors; 6, ventilateMouthful; 7, hollow frame; 8, first level filtering device; 9, gas skirt; 10, blower fan; 11, secondary mistakeFilter device; 12, plug wire hole; 13, fluorescent lamp; 14, control panel; 15, the first gathering hole; 16,The second gathering hole.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment mono-: shown in Fig. 1,2, a kind of balance table ventilator cowling, comprises and cover at balance table 1On cover body 2, described cover body 2 comprises framework 3 and is arranged at the glass 4 in framework 3, described framework 3Surface is provided with epoxy coating, corrosion-resistant. The bottom of described cover body 2 front sides is provided with actuating doors 5, instituteThe top of stating cover body 2 rear sides is provided with a ventilating opening 6, on described ventilating opening 6, filter is installed. ?In the present embodiment, cover body 2 is heptahedron structure, and glass 4 adopts implosion guard, ensures handling safety,The better operation visual field is also provided. Meanwhile, framework 3 is adopted and is formed from aluminium, and cost is low, the edge of framework 3Adopt fillet processing, prevent that experimenter from bumping, and damages experimenter.
Shown in Figure 1, described filter comprises hollow frame 7, is set in turn in hollow frame 7Interior first level filtering device 8, gas skirt 9, blower fan 10 and two-stage filter 11, described single filterThe bottom of device 8 is butted on described ventilating opening 6, and described gas skirt 9 and blower fan 10 are set in turn in instituteState between first level filtering device 8 and two-stage filter 11, and the air inlet of described blower fan 10 with described inThe air outlet of gas skirt 9 is connected; Described gas skirt 9 is horn-like, the gas collection mouth mask of described gas skirt 9On the end face of described first level filtering device 8, the air outlet of described blower fan 10 is butted on described cascade filtrationOn the bottom surface of device 11. In the present embodiment, the shape of the gas collection mouth of gas skirt 9 and single filter dressPut 8 end face and match, gas skirt 9 covers the end face of first level filtering device 8 completely, can be one-levelAir or dust that filter 8 flows out all collect, then go out through gas outlet.
Described first level filtering device 8 comprises the first activated carbon filtration net arrangement and HEPA screen pack, described inThe bottom of HEPA screen pack is butted on described ventilating opening 6, described in described the first activated charcoal strainer is installed onOn HEPA screen pack, it is online that the gas collection mouth of described gas skirt 9 is butted on described the first activated carbon filtration, described inTwo-stage filter 11 is the second activated charcoal strainer. In the present embodiment, in first level filtering device 8HEPA screen pack mainly absorb the pernicious gases such as the acidity comprising in gas, the first activated carbon filtrationNet is mainly used in adsorbing floating powder or other granular substances. Meanwhile, in the present embodiment, twoLevel filter 11 adopts the second activated charcoal strainer, in the time that first level filtering device 8 is saturated, by twoLevel filter 11 is brought into play Main Function, ensures the cleannes of Exhaust Gas. Meanwhile, cascade filtration dressPut 11 employing the second activated charcoal strainer, also can effectively prevent that the particles such as indoor dust from entering intoIn cover body 2, practical.
The both sides of described cover body 2 are respectively equipped with a plug wire hole 12, by the setting of plug wire hole 12, convenientIt equality instrument external power supply or connection computer.
Meanwhile, on first level filtering device 8 and two-stage filter 11, be respectively equipped with and filter saturated warningDevice, for detection of the saturation degree of first level filtering device 8 and two-stage filter 11 filtering net absorption,Make alarm, convenient operation personnel are in first level filtering device 8 and two-stage filter 11 simultaneouslyScreen pack carry out maintain and replace, effectively ensure filter quality.
Shown in Fig. 1,2, on the cover body 2 of described ventilating opening 6 tops, be also provided with fluorescent lamp 13 and controlPanel 14 processed, described blower fan 10, filtration saturation device and fluorescent lamp 13 and described control panel 14 phasesConnect, on control panel 14, arrange and filter saturated alarm lamp, fan switch, fluorescent switch,Filter saturated alarm lamp for pointing out experimenter to change in time screen pack, fully ensure experimenterSafety. Meanwhile, fluorescent lamp 13 is set, looks for the operation that further improves cover body 2 interior experimentersWild.
Described actuating doors 5 is provided with two gathering holes, is respectively the first gathering hole 15 and the second gathering hole16, described the first gathering hole 15 and the second gathering hole 16 are symmetrically set, two hands of operating personnelCan insert in two gathering holes and carry out experimental implementation. Meanwhile, the hinged cover that is installed in the top of actuating doors 5On body 2, make actuating doors 5 rotate and to open from bottom to top, be convenient to put into a day equality instrument.
Claims (6)
1. a balance table ventilator cowling, is characterized in that: comprise the cover body covering on balance table, described inCover body comprises framework and is arranged at the glass in framework, and described framework surface is provided with epoxy coating; DescribedThe bottom of cover body front side is provided with actuating doors, and the top of described cover body rear side is provided with a ventilating opening, described ventilating openingOn filter is installed, described filter comprises hollow frame, is set in turn in one in hollow frameLevel filter, gas skirt, blower fan and two-stage filter, the bottom of described first level filtering device is butted on instituteState on ventilating opening, described gas skirt and blower fan are set in turn in described first level filtering device and two-stage filterBetween, and the air inlet of described blower fan and the air outlet of described gas skirt are connected; Described gas skirt is horn-like,The gas collection mouth mask of described gas skirt is on the end face of described first level filtering device, and the air outlet of described blower fan is butted onOn the bottom surface of described two-stage filter.
2. balance table ventilator cowling according to claim 1, is characterized in that: described single filter dressPut and comprise the first activated carbon filtration net arrangement and HEPA screen pack, the bottom of described HEPA screen pack is butted on instituteState on ventilating opening, described the first activated charcoal strainer is installed on described HEPA screen pack, described gas skirtGas collection mouth to be butted on described the first activated carbon filtration online.
3. balance table ventilator cowling according to claim 1, is characterized in that: described cascade filtration dressBe set to the second activated charcoal strainer.
4. balance table ventilator cowling according to claim 1, is characterized in that: the both sides of described cover bodyBe respectively equipped with a plug wire hole.
5. balance table ventilator cowling according to claim 1, is characterized in that: described ventilating opening topCover body on be also provided with fluorescent lamp and control panel.
6. balance table ventilator cowling according to claim 1, is characterized in that: on described actuating doors, establishThere are two gathering holes, are respectively the first gathering hole and the second gathering hole, described the first gathering hole and the second operationMouth is symmetrically set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041846.6U CN205235600U (en) | 2015-12-15 | 2015-12-15 | It platform draft hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041846.6U CN205235600U (en) | 2015-12-15 | 2015-12-15 | It platform draft hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205235600U true CN205235600U (en) | 2016-05-18 |
Family
ID=55934681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521041846.6U Expired - Fee Related CN205235600U (en) | 2015-12-15 | 2015-12-15 | It platform draft hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205235600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914467A (en) * | 2017-03-13 | 2017-07-04 | 江苏中热机械设备有限公司 | A kind of waste gas header of electric heating oil bath furnace |
-
2015
- 2015-12-15 CN CN201521041846.6U patent/CN205235600U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914467A (en) * | 2017-03-13 | 2017-07-04 | 江苏中热机械设备有限公司 | A kind of waste gas header of electric heating oil bath furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20181215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |