CN207730594U - A kind of special ventilator cowling of desktop karl Fischer Moisture Meter - Google Patents

Abstract

The utility model discloses a kind of special ventilator cowling of desktop karl Fischer Moisture Meter, including operating room, ventilator cowling and exhaust pipe, the ventilator cowling seal closure closes the upper opening of the operating room, and one end of the ventilator cowling and the exhaust pipe is tightly connected；The operating room is formed by polylith panel splicing, each panel intersection is tightly connected using stainless steel circular arc frame, the edge of the lower opening of the operating room is in same level, and a middle panel of the operating room offers sliding door, and the sliding door frame is provided with gasket；The ventilator cowling is internally provided with wind turbine, the exhaust pipe is internally provided with filter device, the utility model is simple in structure, it is internally provided with activated carbon fibre strainer in special ventilator cowling, absorption methanol or other pernicious gases can effectively be filtered, each component prevents pernicious gas from leaking out, avoids causing indoor air pollution using being tightly connected.

Description

A kind of special ventilator cowling of desktop karl Fischer Moisture Meter

Technical field

The utility model is related to a kind of experiment ancillary equipments, and in particular to a kind of desktop karl Fischer Moisture Meter is special logical Fan housing.

Background technology

Karl Fischer aquametry is that the one of sample moisture measurement is carried out using Cattell liquid as titrating solution using methanol as medium Kind method, the method is easy to operate, and accuracy is high, is widely used in the fields such as medicine, oil, chemical industry, pesticide, dyestuff, grain. Before determination sample, karl Fischer Moisture Meter must be demarcated with balance precision weighing standard water sample, in determination sample, essence Close weigh needs to shift sample after rear sample as early as possible to titration cup, is deliquesced to avoid sample, therefore in view of easy to operate, big absolutely Karl Fischer Moisture Meter and precision balance are set a Room by most laboratory altogether.Since current karl Fischer Moisture Meter is not all vented And ventilation device, in operation used in methanol have the risk being leaked in air, cause workshop dirty Dye, to generating potential health hazard in the personnel that balance room is weighed and is operated.

Utility model content

In order to overcome above-mentioned technological deficiency, a kind of good airproof performance of the utility model offer to absorb and filter and imitate to pernicious gas The good special ventilator cowling of desktop karl Fischer Moisture Meter of fruit, the utility model are achieved by following technical scheme：

A kind of special ventilator cowling of desktop karl Fischer Moisture Meter, including operating room, ventilator cowling and exhaust pipe, the ventilation Cover seal closure closes the upper opening of the operating room, and one end of the ventilator cowling and the exhaust pipe is tightly connected；The operation Room is that polylith panel splicing forms, and each panel intersection is tightly connected using stainless steel circular arc frame, the lower section of the operating room In same level, a middle panel of the operating room offers sliding door, the frame setting of the sliding door at the edge of opening There is gasket；The ventilator cowling is internally provided with wind turbine, and the exhaust pipe is internally provided with filter device.

Further, the filter device includes filter screen, and filter screen can will operate indoor pernicious gas and carry out effectively Filtering absorption.

Further, the filter screen is activated carbon fibre (ACF) strainer, using the adsorption effect of activated carbon fibre strainer More preferably.

Further, the panel of the operating room is connected through the hinge with the sliding door, and the sliding door is provided with sliding door handle Hand.

Further, the ventilator cowling is up-narrow and down-wide structure, and the indoor gas of operation can be allowed preferably to be discharged.

Further, the operating room is provided with karl Fischer Moisture Meter private jack.

Further, the panel of the operating room is transparent polyethylene board, facilitates observation and cleaning treatment.

Further, the filter device further includes the filter screen limited block being arranged in the filter screen both sides.

Compared with prior art, the special ventilator cowling of desktop karl Fischer Moisture Meter provided by the utility model, structure Simply, it is internally provided with activated carbon fibre strainer in special ventilator cowling, can effectively filters absorption methanol or other pernicious gases, For each component using being tightly connected, sealing effect is good, can effectively prevent pernicious gas and leaks out, and avoids making in the special ventilator cowling At indoor air pollution.

Description of the drawings

Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：

Fig. 1 is the structural schematic diagram of the utility model.

In figure：1- operating rooms, 2- exhaust pipes, 3- circular arcs frame, 4- sliding doors, 5- gaskets, 6- ventilator cowlings, 7- filter screens, 8- strainers limited block, 9- hinges, 10- sliding doors handle, 11- private jacks.

Specific implementation mode

The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

As shown in Figure 1, the utility model provides a kind of special ventilator cowling of desktop karl Fischer Moisture Meter, including operation Room 1, ventilator cowling 6 and exhaust pipe 2,6 seal closure of the ventilator cowling close the upper opening of the operating room 1, the ventilator cowling 6 and institute The one end for stating exhaust pipe 2 is tightly connected, and the other end of the exhaust pipe 2 is connected to ambient atmosphere.

Specifically, the operating room 1 is formed by polylith panel splicing, be respectively front panel, back panel, left panel, Right panel and top panel.Each panel splicing is the cover body of a lower opening, and the edge of lower opening is in same level, each face Plate intersection is connected using stainless steel circular arc frame 3, junction using glass cement sealing bonding, the sealing effect of glass cement compared with It is good, the leakproofness of operating room 1 can be effectively improved.

Sliding door 4 is offered in the middle part of the front panel of operating room 1, the sliding door frame is provided with gasket 5, in sliding door frame It is to improve the integral sealing of operating room 1 to reduce the gap between sliding door 4 and 1 front panel of operating room to be provided with gasket 5 Property.The front panel of the operating room 1 is connect with the sliding door 4 by hinge 9, and the sliding door 4 is provided with sliding door handle 10, hinge Chain link is relatively stable, and service life is long.

1 top panel of the operating room offers ventilation opening, and 6 seal closure of ventilator cowling closes the ventilation opening of the operating room, described Ventilator cowling 6 is internally provided with wind turbine.

Specifically, the ventilator cowling 6 is tightly connected with the exhaust pipe 2, and ventilator cowling 6 and 1 top panel of operating room are sealed It is to promote the whole of the special ventilator cowling of desktop karl Fischer Moisture Meter to connect and be tightly connected ventilator cowling 6 with exhaust pipe 2 Body leakproofness prevents methanol or other poisonous gas leakages, pollutes air environment.Preferably, the ventilator cowling 6 and the exhaust 2 junction of pipe is using glass cement sealing bonding, and using glass glue bond, sealing effect is more preferably.

Specifically, the exhaust pipe 2 is internally provided with filter device close to 6 side of the ventilator cowling.The filter device Including filter screen 7 and the filter screen limited block 8 in 7 both sides of filter screen is set, filter screen 7 can will operate indoor pernicious gas into The effective filtering absorption of row, it is that filter screen 7 slides in order to prevent that 7 both sides of filter screen, which are provided with filter screen limited block 8, is made Filter effect is deteriorated.

Preferably, the filter screen 7 is activated carbon fibre (ACF) strainer, and fibre diameter is 5~20 μm, and specific surface area is flat In 1000~1500m²/ g, average pore size is in 1.0~4.0nm, for adsorbing the methanol waste gas in ventilator cowling 6, the filter screen 7 Harmful laboratory air such as methanol can be adsorbed, adsorption effect more preferably, need to only regularly replace.

Preferably, the ventilator cowling 6 is pyramidal structure, preferably to be connect with exhaust pipe 2, makes the methanol of experiment generation And various pernicious gases are preferably discharged.

Preferably, the operating room 1 is provided with karl Fischer Moisture Meter private jack 11.

Preferably, the plate face of the operating room 1 be transparent polyethylene board, polythene material is lighter, be moved easily and Cleaning treatment, it is more firm for glass and other friable materials, and operating room panel is transparent panel, facilitates sight It examines.

The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model Limitation, therefore it is every without departing from the content of the technical scheme of the utility model, according to the technical essence of the utility model to implementing above Any modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention made by example.

Claims (7)

1. a kind of special ventilator cowling of desktop karl Fischer Moisture Meter, it is characterised in that：Including operating room（1）, ventilator cowling（6）With Exhaust pipe（2）, the ventilator cowling（6）Seal closure closes the operating room（1）Upper opening, the ventilator cowling（6）With the row Tracheae（2）One end be tightly connected；The operating room（1）It is formed for polylith panel splicing, each panel intersection uses stainless steel Circular arc frame（3）It is tightly connected, the operating room（1）Lower opening edge in same level, the operating room（1） A panel offer sliding door（4）, the sliding door（4）Frame be provided with gasket（5）；The ventilator cowling（6）Inside setting There are wind turbine, the exhaust pipe（2）It is internally provided with filter device.

2. a kind of special ventilator cowling of desktop karl Fischer Moisture Meter according to claim 1, it is characterised in that：The mistake It includes filter screen to filter device（7）.

3. a kind of special ventilator cowling of desktop karl Fischer Moisture Meter according to claim 2, it is characterised in that：The mistake Strainer（7）For activated carbon fibre（ACF）Strainer.

4. a kind of special ventilator cowling of desktop karl Fischer Moisture Meter according to claim 3, it is characterised in that：The behaviour Make room（1）Panel and the sliding door（4）Pass through hinge（9）Connection, the sliding door（4）It is provided with sliding door handle（10）.

5. a kind of special ventilator cowling of desktop karl Fischer Moisture Meter according to any one of claims 1 to 4, feature exist In：The ventilator cowling（6）For up-narrow and down-wide structure.

6. a kind of special ventilator cowling of desktop karl Fischer Moisture Meter according to claim 5, it is characterised in that：The behaviour Make room（1）It is provided with karl Fischer Moisture Meter private jack（11）.

7. a kind of special ventilator cowling of desktop karl Fischer Moisture Meter according to claim 6, it is characterised in that：The behaviour Make room（1）Panel be transparent polyethylene board.