CN210037344U

CN210037344U - Gas rapid qualitative collecting device

Info

Publication number: CN210037344U
Application number: CN201920616114.7U
Authority: CN
Inventors: 李拥军; 王玉霞; 高向娜; 党欣
Original assignee: Gansu Center For Disease Control And Prevention Gansu Academy Of Preventive Medicine
Current assignee: Gansu Center For Disease Control And Prevention Gansu Academy Of Preventive Medicine
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-02-07
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to a it is poisonous, harmful gas collection system, concretely relates to gaseous collection system qualitative fast, including the glass pipe, the rubber cap, the sprue is ventilated to rubber, the activated carbon adsorbent, quartzy cotton, the silicon rubber adsorbent, the rubber cap sets up at the glass pipe both ends, the inside airtight cavity that forms of rubber cap and glass pipe, quartzy cotton setting is at airtight cavity middle part, activated carbon adsorbent and silicon rubber adsorbent set up respectively on quartzy cotton both sides, the sprue is ventilated to rubber compresses tightly activated carbon adsorbent and silicon rubber adsorbent to quartzy cotton direction, thereby satisfy the toxicity to different categories under the special circumstances through set up the adsorbent of two kinds of differences in the sampling pipe, harmful gas carries out quick collection, realize the sealing to the sampling pipe through the rubber cap at both ends, be connected with the sampling instrument during convenient the use.

Description

Gas rapid qualitative collecting device

Technical Field

The utility model relates to a poisonous, harmful gas collection system, concretely relates to gaseous collection system qualitative fast.

Background

In the existing occupational health standard-GBZ/T-300 series, organic toxic and harmful gases in occupational disease hazard factors of workplaces are mainly divided into two types according to the polarity of the toxic gases: one is polar toxic and harmful gas, and is collected by mainly adopting a packed column sampling tube which takes silica gel as a filling agent; the other is non-polar toxic and harmful gas, and the collection is mainly carried out by adopting a filling column sampling pipe which takes active carbon as a filling agent. In addition, the sampling tube of the filling column made of some novel filling agents can also collect the above two kinds of toxic and harmful gases, but the price is higher, and the application range is limited.

Although the method can collect toxic and harmful gases, the premise is that the collected toxic and harmful gases are required to be known substances, and for some accident sites, especially the accident sites of chemical enterprises, under the condition that a plurality of unknown toxic and harmful gases coexist, the collection of samples is very difficult, so that the qualitative determination of the toxic substances in the accidents in the next step of the laboratory is difficult; in addition, adopt different packed column sampling pipes to different poisonous, harmful gas, when a large amount of unknown poisonous, harmful gas exist, must require to gather according to the requirement each possible poisonous, harmful gas, this will cause the increase of sample collection work load, serious waste time.

Traditional packed column sampling pipe manufacturing process is earlier with the filler packing in glass pipe, then seals behind the hot melt of glass pipe both ends, need seal the both ends earlier during the use and open, then connect and carry out sampling work on the professional equipment, and the use procedure is loaded down with trivial details, and the waste time has following two not enough when opening and sealing simultaneously: firstly lead to the glass pipe to take place to break when opening easily, consequently cause seal structure to destroy and can not use, secondly the breach department of opening is comparatively sharp, causes the fish tail to the operator easily.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists among the above-mentioned prior art, the utility model aims at providing a gaseous collection system who qualifies fast can carry out multiple poisonous, harmful gas synchronous collection, convenient to use, the price is lower, and the practicality is strong, and safe and reliable has solved the problem that exists among the prior art.

The utility model adopts the technical proposal that: the utility model provides a gaseous collection system who qualifies fast includes that glass manages, rubber cap, rubber block, activated carbon adsorbent, quartz cotton, silicon rubber adsorbent, and the rubber cap sets up at the glass manages both ends, and rubber cap and glass intraduct form airtight cavity, and quartz cotton sets up at airtight cavity middle part, and activated carbon adsorbent and silicon rubber adsorbent set up respectively on quartz cotton both sides, and the block compresses tightly activated carbon adsorbent and silicon rubber adsorbent to the quartz cotton direction of rubber.

The glass tube is further provided with a filling part and connecting parts, the connecting parts are arranged at two ends of the filling part, the outer diameter of each connecting part is larger than that of the filling part, and the rubber ventilation block, the activated carbon adsorbent, the quartz wool and the silicon rubber adsorbent are arranged in the filling part.

Further the rubber cap wraps the connecting part.

And a plurality of vent holes are formed in the rubber ventilation blocking block, the vent holes penetrate through the rubber ventilation blocking block, and the vent holes are arranged along the axis direction of the glass tube.

Further, the outer diameter of the rubber ventilation blocking block is slightly larger than the inner diameter of the glass tube.

Furthermore, a boss is arranged on the outer edge of the rubber ventilation plugging block, a groove is formed in the inner wall of the glass tube, and the boss is clamped in the groove.

Further the boss and the groove are circumferentially arranged along the glass tube for a circle.

The utility model has the advantages that: thereby satisfy through set up two kinds of different adsorbents in the sampling pipe and carry out quick the collection to different types of poisonous, harmful gas under the special circumstances, realize sealing to the sampling pipe through the rubber cap at both ends, when conveniently using with being connected of sampling instrument, changed the mode of opening of traditional sampling pipe, improved safety, reliability, utilize rubber to ventilate the sprue and realize the function that compresses tightly to the filler, the homogeneity of guaranteeing to ventilate promotes the sampling effect.

Drawings

FIG. 1 is a schematic view of a half-section structure of the present invention;

fig. 2 is a schematic view of a partially enlarged half-section structure of the joint of the rubber ventilation block and the glass tube.

In the figure: 1. the glass tube comprises a glass tube body 101, a closed cavity 102, a filling part 103, a connecting part 104, a groove, 2, a rubber cap, 3, a rubber ventilation block, 301, a ventilation hole 302, a boss, 4, an activated carbon adsorbent, 5, quartz wool and 6, a silicon rubber adsorbent.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments: a gas rapid qualitative collecting device comprises a glass tube 1, a rubber cap 2, a rubber ventilating block 3, an activated carbon adsorbent 4, quartz cotton 5 and a silicon rubber adsorbent 6, wherein the rubber cap 2 is arranged at two ends of the glass tube 1, a closed cavity 101 is formed inside the rubber cap 2 and the glass tube 1, the quartz cotton 5 is arranged in the middle of the closed cavity 101, the activated carbon adsorbent 4 and the silicon rubber adsorbent 6 are respectively arranged at two sides of the quartz cotton 5, the rubber ventilating block 3 compresses the activated carbon adsorbent 4 and the silicon rubber adsorbent 6 towards the direction of the quartz cotton 5, the rubber caps 2 at two ends are utilized to form the closed cavity 101 inside the glass tube 1, the utility model is ensured not to be polluted before use, two different adsorbents, namely the activated carbon adsorbent 4 and the silicon rubber adsorbent 6 are added into the glass tube 1, which can meet the simultaneous collecting work of various poisonous and harmful gases, and improve the qualitative efficiency of the gas in an accident site on one hand, reduce the operating time of staff at the scene on the one hand, guarantee staff's personal safety, separate with quartz wool 5 in the middle of two kinds of adsorbents, prevent to obscure each other on the one hand, guarantee gaseous circulation on the one hand, the adsorbent both ends set up rubber block 3 of ventilating, guarantee on the one hand that the adsorbent closely arranges, ventilate smoothly, on the other hand prevents that the adsorbent from spilling and leading to unable use, according to the research discovery to prior art, chemistry is poisonous, harmful gas can be divided into polarity and nonpolar two big types according to the polarity size, and silica gel belongs to polar adsorbent, activated carbon belongs to nonpolar adsorbent, two kinds of above adsorbents are used for the collection to above-mentioned two types of poisons respectively.

Further glass tube 1 is equipped with filling portion 102 and connecting portion 103, and connecting portion 103 sets up at filling portion 102 both ends, and connecting portion 103 external diameter is greater than filling portion 102 external diameter, and the rubber is ventilated sprue 3, activated carbon adsorbent 4, quartz wool 5 and silicon rubber adsorbent 6 and is set up in filling portion 102, adds connecting portion 103 and is connected with check out test set for convenient quick on the one hand, and on the other hand guarantees in storage and transportation, the utility model discloses the rubber cap 2 at both ends prevents that glass tube 1 from taking place to break and can't use with other object contact.

Further 2 parcel connecting portion 103 of rubber cap, on the one hand can guarantee the utility model discloses an air tightness, on the other hand have changed traditional sampling pipe opening mode, and direct plug-in during the use breaks rubber cap 2 and connects and can normally use, has avoided traditional opening mode to lead to the sampling pipe to break and the problem that the opening part can fish tail staff.

Further be equipped with a plurality of air vents 301 on the stifled piece 3 of rubber ventilation, air vent 301 runs through the stifled piece 3 of rubber ventilation, and air vent 301 sets up along 1 axis direction of glass pipe, sets up a plurality of air vents 301, guarantees gaseous passing through, and 3 external diameters of the stifled piece of rubber ventilation slightly are greater than 1 internal diameter of glass pipe, can guarantee that the stifled piece 3 of rubber ventilation can not take place the displacement in filling portion 102 easily after the installation.

Further the outer edge of the rubber ventilation block 3 is provided with a boss 302, the inner wall of the glass tube 1 is provided with a groove 104, the boss 302 is clamped in the groove 104, the rubber ventilation block 3 can be more effectively clamped by the arrangement of the structure, the displacement in the filling part 102 cannot occur easily after the rubber ventilation block is installed is prevented, meanwhile, the rubber ventilation block 3 positioning device can be formed, the installation position of the rubber ventilation block 3 positioning device is fixed, the filling amount of the adsorbent is determined, the adsorbent is guaranteed to be pressed and compacted, and the gas is guaranteed to pass through stably and uniformly.

Further boss 302 and recess 104 prolong glass pipe 1 circumference and are provided with a week, and the processing of the product of being convenient for is set up like this, makes things convenient for the installation of product simultaneously, further can also guarantee better sealed effect.

During the use, prick the rubber cap 2 at both ends, then will the utility model discloses quick connection samples on gaseous sampling equipment, after the sampling, takes off the rubber cap 2 at both ends, withstands rubber shutoff piece 3 of ventilating and ejecting to the other end from one end with a long and thin object, and two kinds of fillers can take out in proper order this moment, and convenient to use is swift.

Claims

1. The utility model provides a collection system that gaseous is qualitative fast which characterized in that: the rubber ventilation blocking piece comprises a glass tube (1), a rubber cap (2), a rubber ventilation blocking piece (3), an activated carbon adsorbent (4), quartz wool (5) and a silicon rubber adsorbent (6), wherein the rubber cap (2) is arranged at two ends of the glass tube (1), a sealed cavity (101) is formed inside the rubber cap (2) and the glass tube (1), the quartz wool (5) is arranged in the middle of the sealed cavity (101), the activated carbon adsorbent (4) and the silicon rubber adsorbent (6) are respectively arranged on two sides of the quartz wool (5), and the rubber ventilation blocking piece (3) compresses the activated carbon adsorbent (4) and the silicon rubber adsorbent (6) towards the direction of the quartz wool (5).

2. The device for rapidly and qualitatively collecting gas as claimed in claim 1, wherein: the glass tube (1) is provided with a filling part (102) and a connecting part (103), the connecting part (103) is arranged at two ends of the filling part (102), the outer diameter of the connecting part (103) is larger than that of the filling part (102), and the rubber ventilation blocking block (3), the activated carbon adsorbent (4), the quartz wool (5) and the silicon rubber adsorbent (6) are arranged in the filling part (102).

3. The device for rapidly and qualitatively collecting gas as claimed in claim 2, wherein: the rubber cap (2) wraps the connecting part (103).

4. The device for rapidly and qualitatively collecting gas as claimed in claim 1, wherein: the rubber ventilation blocking block (3) is provided with a plurality of vent holes (301), the vent holes (301) penetrate through the rubber ventilation blocking block (3), and the vent holes (301) are arranged along the axial direction of the glass tube (1).

5. The device for rapidly and qualitatively collecting gas as claimed in claim 4, wherein: the outer diameter of the rubber ventilation block (3) is slightly larger than the inner diameter of the glass tube (1).

6. The device for rapidly and qualitatively collecting gas as claimed in claim 4, wherein: the outer edge of the rubber ventilation blocking block (3) is provided with a boss (302), the inner wall of the glass tube (1) is provided with a groove (104), and the boss (302) is clamped in the groove (104).

7. The device for rapidly and qualitatively collecting gas as claimed in claim 6, wherein: the boss (302) and the groove (104) are circumferentially arranged along the glass tube (1).