CN215543613U - Fume chamber is used in water quality monitoring laboratory - Google Patents

Abstract

The utility model discloses a ventilation cabinet for a water quality monitoring laboratory, which comprises a storage cabinet, wherein an experiment cabinet is arranged at the top of the storage cabinet, an air inlet hole is formed in the side of the storage cabinet, a connecting ring is connected at the port of the air inlet hole, a spiral cover is screwed in the connecting ring, a suction inlet is formed in one end of the spiral cover, a support ring is arranged in the spiral cover, a filter screen plate is arranged in the support ring, an air outlet hole is formed in the top of the experiment cabinet, a ventilation hood is further connected to the top of the experiment cabinet and covers the air outlet hole, and a ventilator is connected to the ventilation hood through a first connecting pipe. When the ventilation blower inserted the electricity operation, inhaled air from the laboratory cabinet through the venthole, then discharged the laboratory through the hose of airing exhaust, because filter plate can filter the impurity in the outside air outside it, and the air sees through in its mesh gets into the laboratory cabinet to the impurity of whereabouts can be caught by the anti-falling box in following the venthole, can effectively avoid impurity to get into in the experiment bottle.

Description

Fume chamber is used in water quality monitoring laboratory

Technical Field

The utility model belongs to the technical field of water quality monitoring experiments, and particularly relates to a fume hood for a water quality monitoring laboratory.

Background

In the water quality monitoring work, besides a water quality monitor is erected near a water area, a water source in the water area needs to be sampled and transported to a laboratory for experiment, in the experiment, water samples are taken by a plurality of experiment bottles according to the content of different harmful substances, then reagents are added into the experiment bottles for standing, because part of the reagents have pungent smells, the water sample experiment is mostly carried out in a ventilating cabinet, the existing ventilating cabinet main body is a square cabinet with a glass door, air inlets are arranged at two sides of the square cabinet, the experiment bottles can be placed in the square cabinet, the rear part of the square cabinet is connected with a ventilator through pipelines, an air outlet end of the ventilator is connected with a hose penetrating into the outside of the laboratory, when the ventilator is powered on, the air inlets at two sides enter the square cabinet, the pungent smells in the square cabinet are taken out along with the air, and therefore, a good air environment in the laboratory is guaranteed, the defects are as follows: when having a large amount of impurity in being inhaled the air in the square cabinet through the air inlet, impurity gets into the experiment bottle easily to the pipeline of connecting the ventilation blower is aired exhaust for a long time, and the impurity that inside is detained also drops easily to the experiment bottle in, thereby influences the quality of water experimental result easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fume hood for a water quality monitoring laboratory, which solves the problem that impurities are easy to enter an experimental bottle in the ventilation process in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fume chamber is used in water quality monitoring laboratory, includes the storing compartment, the top of storing compartment is provided with the laboratory cabinet, the avris of storing compartment is equipped with the inlet port, the port department of inlet port is connected with the go-between, the spiro union has the spiral cover in the go-between, the one end of spiral cover is equipped with the sunction inlet, be provided with the filter plate in support ring and the support ring in the spiral cover, the top of laboratory cabinet is equipped with the venthole, the top of laboratory cabinet still is connected with cowl and cowl cover venthole, be connected with the ventilation blower through first connecting pipe on the cowl, the end of airing exhaust of ventilation blower is connected with the hose of airing exhaust and wears out the laboratory through the second connecting pipe, just the position that is close to the venthole is provided with prevents the box that falls in the laboratory cabinet.

Preferably, the bottom of the experiment cabinet is provided with at least five rows of insertion openings, the insertion openings are inserted with the experiment bottles in a penetrating manner, and a baffle is arranged between the insertion openings of two adjacent rows.

Preferably, the storage cabinet is internally provided with a supporting plate capable of supporting the experiment bottle in a sliding manner, the supporting plate is a U-shaped plate, the two sides of the supporting plate are provided with sliding blocks, the two sides of the storage cabinet are provided with sliding grooves, the sliding blocks are inserted into the sliding grooves, and the supporting plate and the sliding blocks are internally screwed with first bolts.

Preferably, the second bolts are inserted into two sides of the top of the experiment cabinet in a penetrating manner, limiting rings are arranged on the second bolts, and the second bolts are in threaded connection with two sides of the anti-falling box.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the utility model, when the ventilator is in power-on operation, air is sucked from the experiment cabinet through the air outlet hole and then is exhausted out of the laboratory through the air exhaust hose, impurities in the outside air can be filtered outside the filter screen plate, the air enters the experiment cabinet through the meshes of the filter screen plate, and the impurities falling from the air outlet hole can be caught by the anti-falling box, so that the impurities can be effectively prevented from entering the experiment bottle, and the problem that the impurities are easy to enter the experiment bottle in the ventilation process is solved.

2. According to the utility model, the experiment bottle can be supported to a position where the bottle mouth is a certain distance away from the bottom of the experiment cabinet through the arrangement of the supporting plate, so that the experiment bottle can be conveniently taken out from the insertion port subsequently, and the experiment bottles with different lengths can be inserted into the insertion port for water sample water quality experiments because the supporting height of the supporting plate can be adjusted.

3, the distance between the anti-falling box and the top of the experiment cabinet is adjusted by rotating the second bolt, so that the maximum suction sectional area of the air outlet for sucking air from the experiment cabinet is changed, and the air inlet speed entering the experiment cabinet through the air inlet can be changed.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view in partial cutaway of FIG. 1;

FIG. 3 is a schematic right-side view of FIG. 1;

FIG. 4 is an enlarged view of a portion a of FIG. 2;

FIG. 5 is an enlarged view of the structure at b of FIG. 2;

fig. 6 is an enlarged schematic view of the structure at c of fig. 2.

In the figure: the device comprises a storage cabinet 1, an experiment cabinet 2, an insertion opening 3, an experiment bottle 4, a baffle 5, a supporting plate 6, a sliding block 7, a sliding chute 8, a first bolt 9, an air inlet 10, a connecting ring 11, a spiral cover 12, a suction opening 13, a supporting ring 14, a filter screen plate 15, an air outlet 16, a ventilation hood 17, a first connecting pipe 18, a ventilator 19, a second connecting pipe 20, an air exhaust hose 21, a second bolt 22, a limiting ring 23 and an anti-falling box 24.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

FIG. 1, FIG. 2, FIG. 3, FIG. 4 and FIG. 5, a fume chamber for water quality monitoring laboratory, comprising a storage cabinet 1, wherein a sealed cabinet door is rotatably arranged at the front end of the storage cabinet 1 through a hinge, an experimental cabinet 2 is welded at the top of the storage cabinet 1, a sealed glass cabinet door is rotatably arranged at the front end of the experimental cabinet 2 through a hinge, five rows of insertion openings 3 are transversely and uniformly arranged at the bottom of the experimental cabinet 2, experimental bottles 4 are slidably inserted in the insertion openings 3, baffles 5 are welded between the two adjacent rows of insertion openings 3, the baffles 5 are used for distinguishing the experimental bottles 4 in the adjacent rows, so as to prevent the experimental bottles 4 added with different experimental reagents from being mixed together, a supporting plate 6 capable of supporting the experimental bottles 4 is slidably arranged in the storage cabinet 1, the experimental bottles 4 can be supported to a certain distance from the bottle openings to the bottom of the experimental cabinet 2 through the arrangement of the supporting plate 6, so as to facilitate the subsequent taking out of the experimental bottles 4 from the insertion openings 3, backup pad 6 is the U template, the both sides of backup pad 6 are provided with slider 7, backup pad 6 and slider 7 are founding integrative piece, slider 7 is square block structure, the left and right sides is equipped with spout 8 and slider 7 sliding insertion spout 8 in the storing compartment 1, 7 sliding fit spouts 8 of slider through both sides, it is stable to make backup pad 6 reciprocate, the spiro union has first bolt 9 in the screw hole that sets up in backup pad 6 and the slider 7, the screw hole that sets up in first bolt 9 locking backup pad 6 and the slider 7, first bolt 9 compresses tightly the inner wall of spout 8, restriction backup pad 6 reciprocates.

Referring to fig. 1, 2, 3, 5 and 6, air inlets 10 are respectively arranged at the lower parts of the left side and the right side of a storage cabinet 1, a connecting ring 11 is welded at the port of each air inlet 10 in a seamless manner, a spiral cover 12 is screwed in the connecting ring 11, one end of the spiral cover 12 is uniformly provided with a suction inlet 13, the spiral cover 12 is slidably inserted into a support ring 14, a filter screen plate 15 is welded in the support ring 14, the filter screen plate 15 is a steel wire filter screen plate with the filtering precision of 0.4 mm and can filter impurities in outside air, the air enters an experiment cabinet 2 through the meshes of the air, the top of the experiment cabinet 2 is uniformly provided with air outlets 16, a ventilation hood 17 is welded at the top of the experiment cabinet 2 in a seamless manner, the ventilation hood 17 covers the air outlets 16, a first connecting pipe 18 is arranged behind the ventilation hood 17, the first connecting pipe 18 and the ventilation hood 17 are fused and cast integral, and the first connecting pipe 18 and the ventilation hood 17 are communicated with each other, the rear end of the first connecting pipe 18 is connected with a ventilator 19 in a flange mode, the model of the ventilator 19 is HZ75, the exhaust end of the ventilator 19 is connected with a second connecting pipe 20 in a flange mode, the second connecting pipe 20 is sleeved into an exhaust hose 21 in an interference mode, the exhaust hose 21 penetrates out of a laboratory, when the ventilator 19 is in plug-in operation, air is sucked from the laboratory cabinet 2 through an air outlet 16 and then is exhausted out of the laboratory through the exhaust hose 21, an anti-falling box 24 is of a square box structure, the interior of the anti-falling box 24 corresponds to the air outlet 16, second bolts 22 are slidably inserted into through holes formed in the left side and the right side of the top of the laboratory cabinet 1, limiting rings 23 are arranged on the second bolts 22, the limiting rings 23 and the second bolts 22 are integrated by fusion casting, the limiting rings 23 are arranged to limit the second bolts 22 to move downwards on the laboratory cabinet 2, the second bolts 22 are in threaded connection with threaded holes formed in the left side and the right side of the anti-falling box 24, and the second bolts 22 are rotated, the distance between the anti-falling box 24 and the top of the experiment cabinet 2 is adjusted, so that the maximum suction sectional area of the air outlet 16 for sucking air from the experiment cabinet 2 is changed, and the air inlet speed of the air entering the experiment cabinet 2 through the air inlet 11 can be changed.

The working principle of the embodiment is as follows: reagent is added into the experiment bottle 4 and is stood still, and after the sealed glass cabinet door is closed, when the ventilator 19 is plugged in the electricity operation, the air is sucked from the experiment cabinet 2 through the air outlet 16, and then is discharged out of the experiment room through the air exhaust hose 21, because the filter screen plate 15 can filter the impurities in the outside air outside the filter screen plate, the air enters the experiment cabinet 2 through the meshes of the air, and the impurities falling from the air outlet 16 can be received by the anti-falling box 24, so that the impurities can be effectively prevented from entering the experiment bottle 4.

The baffle 5 is used for distinguishing the experiment bottles 4 in the adjacent rows, and the experiment bottles 4 added with different experiment reagents are prevented from being mixed together.

Through the setting of backup pad 6, can support experiment bottle 4 to bottleneck and 2 bottoms of experiment cabinet have the certain distance, make things convenient for follow-up experiment bottle 4 of taking out in 3 from the inserted hole, because the support height of backup pad 6 is adjustable, consequently can insert the experiment bottle 4 of different length in 3 inserted holes and be used for water sample quality of water experiment.

By rotating the second bolt 22, the distance between the anti-falling box 24 and the top of the experiment cabinet 2 is adjusted, so that the maximum suction sectional area of the air outlet 16 for sucking air from the experiment cabinet 2 is changed, and the air inlet speed of the air entering the experiment cabinet 2 through the air inlet 11 can be changed.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims (4)

1. The utility model provides a fume chamber is used in water quality monitoring laboratory which characterized in that: including storing compartment (1), the top of storing compartment (1) is provided with experiment cabinet (2), the avris of storing compartment (1) is equipped with inlet port (10), the port department of inlet port (10) is connected with go-between (11), threaded connection has spiral cover (12) in go-between (11), the one end of spiral cover (12) is equipped with sunction inlet (13), be provided with support ring (14) and be provided with in support ring (14) filter plate (15) in spiral cover (12), the top of experiment cabinet (2) is equipped with venthole (16), the top of experiment cabinet (2) still is connected with draft hood (17) and covers venthole (16), be connected with ventilation blower (19) through first connecting pipe (18) on draft hood (17), the end of airing exhaust of ventilation blower (19) is connected with exhaust hose (21) and exhaust hose (21) through second connecting pipe (20) and wears out the laboratory, and an anti-falling box (24) is arranged in the experiment cabinet (2) and close to the air outlet hole (16).

2. The fume hood for the water quality monitoring laboratory according to claim 1, wherein: the bottom of the experiment cabinet (2) is provided with at least five rows of insertion openings (3), the insertion openings (3) are internally inserted with experiment bottles (4), and a baffle (5) is arranged between the insertion openings (3) of two adjacent rows.

3. The fume hood for the water quality monitoring laboratory according to claim 1, wherein: the experimental bottle rack is characterized in that a supporting plate (6) capable of supporting an experimental bottle (4) is arranged in the storage cabinet (1) in a sliding mode, the supporting plate (6) is a U-shaped plate, sliding blocks (7) are arranged on two sides of the supporting plate (6), sliding grooves (8) are formed in two sides of the storage cabinet (1), the sliding blocks (7) are inserted into the sliding grooves (8), and first bolts (9) are screwed in the supporting plate (6) and the sliding blocks (7).

4. The fume hood for the water quality monitoring laboratory according to claim 1, wherein: second bolts (22) are inserted into two sides of the top of the experiment cabinet (2), limiting rings (23) are arranged on the second bolts (22), and the second bolts (22) are in threaded connection with two sides of the anti-falling box (24).

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