CN210022173U

CN210022173U - Safe type is waste liquid collection device for chromatographic analyzer

Info

Publication number: CN210022173U
Application number: CN201920828466.9U
Authority: CN
Inventors: 徐英辉; 申茹
Original assignee: HUIZHOU HEALTH VOCATIONAL COLLEGE
Current assignee: HUIZHOU HEALTH VOCATIONAL COLLEGE
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-02-07
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a waste liquid collecting device for a safety chromatographic analyzer, which comprises a barrel body of a waste liquid collecting barrel and a barrel cover, wherein the barrel body is provided with a barrel opening, the barrel cover is a cylinder provided with a hollow column at the middle shaft, the hollow part of the hollow column is matched with the barrel opening, the upper surface of the hollow column is provided with a pipeline adapter which is hermetically assembled with the hollow column, when the barrel cover is matched with the barrel opening and tightly covered, an air inlet hole is arranged on the side surface of the inner surface of the hollow column higher than the bung hole, an adsorption filter is arranged in the space between the bung and the hollow column, an air outlet hole is arranged on the peripheral side wall of the bung, still be equipped with liquid level probe base on the pipeline adapter, be equipped with the liquid level probe head under the liquid level probe base, the liquid level probe head passes in the socket on the pipeline adapter enters into the staving, and liquid level probe base upper portion is connected with the data line, and the other end of data line even has the alarm. The device solves the problems that waste liquid volatile gas flows in rooms wantonly, is harmful to health, and increases risks of laboratories and buildings.

Description

Safe type is waste liquid collection device for chromatographic analyzer

Technical Field

The utility model relates to a liquid chromatograph accessory field particularly, relates to a safe type is waste liquid collection device for chromatographic analyzer.

Background

In chemical laboratories, laboratory personnel often use a variety of precision instruments, such as liquid chromatographs, LC-MS, ion chromatographs, atomic absorption, atomic fluorescence, flow injection analyzers, and the like, which generally require the use and consumption of a variety of chemical reagents for their operation, and the high health hazards associated with solvent evaporation are well known and not only do these health hazards, but also pollute the environment and increase the risks to laboratories and buildings.

Generally, waste liquid discharged from a chromatographic laboratory flows into a waste liquid bottle/barrel through a guide pipe, the waste liquid bottle/barrel is generally placed below a laboratory table, the wind power of a universal cover on the top of the laboratory table is limited, only a small part of volatile gas around the universal cover can be sucked away, the volatile gas of the waste liquid is led to flow into rooms wantonly, and the waste liquid bottle/barrel is a first pollution source of the environment in the laboratory.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a safe type is waste liquid collection device for chromatographic analyzer to solve the volatile gas of waste liquid and wander wantonly in the room, harm health's problem.

In order to realize the purpose, the technical scheme of the utility model is that:

a waste liquid collecting device for a safety chromatographic analyzer comprises a barrel body of a waste liquid collecting barrel and a barrel cover, wherein the barrel body is provided with a barrel opening, the barrel cover is a cylinder with a hollow column at the middle shaft, the hollow part of the hollow column is matched with the barrel opening, the upper surface of the hollow column is provided with a pipeline adapter which is hermetically assembled with the hollow column, the pipeline adapter is provided with a jack into which a pipeline is inserted, when the barrel cover is tightly matched with the barrel opening, the inner surface of the hollow column is provided with an air inlet hole on the side surface higher than the barrel opening, an adsorption filter is arranged in a space enclosed between the peripheral side wall of the barrel cover and the hollow column, the peripheral side wall of the barrel cover is provided with an air outlet hole, the pipeline adapter is also provided with a liquid level probe base, a liquid level probe head is arranged below the liquid level probe base, the liquid, the other end of the data line is connected with an alarm.

Preferably, the outer surface of the base of the level probe is made of polytetrafluoroethylene, polycarbonate or polypropylene.

Preferably, the side wall of the inner surface of the hollow column is provided with an internal thread corresponding to the external thread arranged on the outer surface of the bung.

Preferably, a plurality of rings of grooves are formed in the bottom wall of the barrel cover around the hollow column, each adsorption filter comprises a plurality of adsorption filter barrels, the bottoms of the adsorption filter barrels are inserted into the corresponding grooves, and activated carbon is filled in gaps between every two adsorption filter barrels.

Preferably, the air outlet is arranged at the lower side of the peripheral side wall of the barrel cover.

Preferably, the upper cover of the barrel cover is detachably connected with the body of the barrel cover.

Preferably, a sealing ring is arranged at the joint of the body of the barrel cover and the upper cover.

Preferably, the level probe head is made of stainless steel.

Preferably, the liquid level probe head is positioned in the barrel body close to the bottom end of the barrel opening.

After the technical scheme is adopted, the utility model discloses following beneficial effect has:

in chromatographic analysis and detection, an adsorption filter is arranged in a space formed between the barrel cover and the hollow column through the barrel cover, the hollow column, the air outlet hole, the air inlet hole and the like, so that volatile gas of waste liquid in the barrel body can be effectively adsorbed, and the phenomenon that the volatile gas of the waste liquid flows in rooms arbitrarily and harms health is reduced; the air outlet hole and the air inlet hole are arranged, so that the phenomenon that the subsequent waste liquid cannot flow into the bottle due to the fact that the air pressure in the barrel body rises as the waste liquid increases can be avoided, and the balance of the air pressure inside and outside the barrel body can be maintained; through the liquid level probe head and the alarm that set up, in time remind the staff to change waste liquid collection device, can effectively avoid not in time handling the waste liquid that the waste liquid leads to and spill over the accident, reduced operating personnel safety risk.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a perspective view of the barrel cover of the present invention.

Fig. 3 is a schematic view of the structure of the bottom wall of the barrel cover of the present invention.

In the figure, 1 barrel body, 2 barrel cover, 3 barrel mouth, 4 hollow columns, 5 pipeline adapters, 6 jacks, 7 air inlets, 8 data lines, 9 alarms, 10 liquid level probe base, 11 liquid level probe head, 12 grooves, 13 upper cover, 14 adsorption filter cartridge and 15 internal threads.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, the waste liquid collecting device for the safety chromatographic analyzer comprises a barrel body 1 and a barrel cover 2 of the waste liquid collecting barrel, wherein a barrel mouth 3 is arranged on the barrel body 1, the barrel cover 2 is a cylinder with a hollow column 4 arranged at a middle shaft, the upper part and the lower part of the hollow column 4 are both provided with openings, the hollow part of the hollow column 4 is matched with the barrel mouth 3, an internal thread 15 corresponding to an external thread arranged on the outer surface of the barrel mouth 3 is arranged on the inner surface side wall of the hollow column 4, and the barrel cover 2 is connected with the barrel mouth 3 through the arranged external thread and the internal thread 15. The upper surface of the hollow column 4 is provided with a pipeline adapter 5 which is hermetically assembled with the hollow column, namely, the pipeline adapter 5 is completely covered on the upper opening of the hollow column 4; the pipeline adapter 5 is provided with jacks 6 for inserting pipelines, the pipeline adapter 5 is a circular plastic plate, and the number of the jacks 6 is set according to the diameter of the inserted pipelines and the number of the pipelines. When the barrel cover 2 is tightly covered with the barrel opening 3 in a matching mode, the air inlet hole 7 is formed in the side face, higher than the barrel opening 3, of the inner surface of the hollow column 4, an adsorption filter is arranged in a space enclosed between the peripheral side wall of the barrel cover 2 and the hollow column 4, and an air outlet hole is formed in the peripheral side wall of the barrel cover 2. Through the arrangement of the barrel cover 2, the hollow column 4, the air outlet hole, the air inlet hole 7 and the like, and the adsorption filter is arranged in a space formed between the barrel cover 2 and the hollow column 4, volatile gas of waste liquid in the barrel body 1 can be effectively adsorbed, and the phenomenon that the volatile gas of the waste liquid flows in rooms arbitrarily and harms health is reduced; and the air outlet hole and the air inlet hole 7 are arranged, so that the phenomenon that the subsequent waste liquid cannot flow into the bottle due to the rising of the air pressure in the barrel body 1 along with the increase of the waste liquid can be avoided, and the balance of the air pressure inside and outside the barrel body 1 can be maintained.

Still be equipped with liquid level probe base 10 on the pipeline adapter 5, liquid level probe base 10 has liquid level probe head 11 (liquid level probe base 10 and liquid level probe head 11 link to each other as an organic whole, through trade company's customized suitable specification), liquid level probe head 11 passes in the socket on the pipeline adapter 5 enters into staving 1, a preparation socket on pipeline adapter 5 promptly, can make 11 top blocks of liquid level probe head in the socket, 11 lower extremes of liquid level probe head enter into staving 1 in, 10 upper portions of liquid level probe base are connected with data line 8, the other end of data line 8 even has alarm 9, liquid level probe head 11 is become by the stainless steel, just liquid level probe head 11 sets up in the staving 1 that is located near 3 bottoms of bung hole best. The liquid level probe head 11 and the alarm 9 are arranged, so that the accident of waste liquid overflow caused by untimely waste liquid treatment can be effectively avoided, and the safety risk of operators is reduced.

The outer surface of the liquid level probe base 10 is coated with polytetrafluoroethylene, polycarbonate or polypropylene, and the polytetrafluoroethylene, the polycarbonate or the polypropylene has the effect of resisting corrosion of chemical reagents, so that the service life of the liquid level probe base 11 can be prolonged.

As shown in fig. 3, be equipped with many rings of recesses 12 around cavity post 4 on the diapire of bung 2, adsorption filter includes a plurality of adsorption filtration section of thick bamboo 14, insert in corresponding recess 12 adsorption filtration section of thick bamboo 14 bottom, the space intussuseption between two liang of adsorption filtration section of thick bamboo 14 is filled with activated carbon, and adsorption filtration section of thick bamboo 14 is by the skeleton that upper fixed ring and lower fixed ring and the connecting rod of vertical connection between upper fixed ring and the lower fixed ring constitute, has the round filter screen at the skeleton periphery, and lower fixed ring inserts in recess 12. The basic mobile phase commonly used by the chromatographic analysis instrument is pure water, acetonitrile or methanol, the acetonitrile and the methanol are very easy to volatilize, the activated carbon has good adsorption effect on the volatilized acetonitrile or methanol, and the activated carbon powder or particles on the market have various varieties, so that the activated carbon is very convenient to select and purchase.

The upper cover 13 of the barrel cover 2 is detachably connected with the body of the barrel cover 2, a sealing ring is arranged at the joint of the body of the barrel cover 2 and the upper cover 13, and the upper cover face of the barrel cover 2 is designed to be openable, so that the activated carbon can be conveniently replaced at any time.

According to the waste liquid collecting device for the safety chromatographic analyzer, in the chromatographic analysis detection, the barrel cover 2, the hollow column 4, the air outlet hole, the air inlet hole 7 and the like are arranged, and the adsorption filter is arranged in the space formed between the outer peripheral side wall of the barrel cover 2 and the hollow column 4, so that the volatile gas of the waste liquid in the barrel body 1 can be effectively adsorbed, and the phenomenon that the volatile gas of the waste liquid flows in a room arbitrarily and is harmful to health is reduced; the air outlet hole and the air inlet hole 7 are arranged, so that the phenomenon that the subsequent waste liquid cannot flow into the bottle due to the rising of the air pressure in the barrel body 1 along with the increase of the waste liquid can be avoided, and the balance of the air pressure inside and outside the barrel body 1 can be maintained; through the liquid level probe head 11 and the alarm 9 that set up, in time remind the staff to change waste liquid collection device, can effectively avoid not in time handling the waste liquid that the waste liquid leads to and spill over the accident, reduced operating personnel safety risk.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A waste liquid collecting device for a safety chromatographic analyzer is characterized by comprising a barrel body and a barrel cover of a waste liquid collecting barrel, wherein a barrel opening is formed in the barrel body, the barrel cover is a cylinder body, a hollow column is arranged at the middle shaft of the barrel cover, the hollow part of the hollow column is matched with the barrel opening, a pipeline adapter in sealed assembly with the hollow column is arranged on the upper surface of the hollow column, a jack for inserting a pipeline is arranged on the pipeline adapter, when the barrel cover is tightly matched with the barrel opening, an air inlet hole is formed in the inner surface of the hollow column on the side surface higher than the barrel opening, an adsorption filter is arranged in a space enclosed between the peripheral side wall of the barrel cover and the hollow column, an air outlet hole is formed in the peripheral side wall of the barrel cover, a liquid level probe base is further arranged on the pipeline adapter, a liquid level probe head is arranged below the liquid level probe base, the other end of the data line is connected with an alarm.

2. The waste liquid collecting device for the safety chromatographic analyzer as claimed in claim 1, wherein the outer surface of the base of the liquid level probe is coated with polytetrafluoroethylene, polycarbonate or polypropylene.

3. The waste liquid collecting device for the safety chromatographic analyzer as claimed in claim 1, wherein the side wall of the inner surface of the hollow column is provided with internal threads corresponding to the external threads on the outer surface of the bung.

4. The waste liquid collecting device for the safety chromatographic analyzer as claimed in claim 1, wherein the bottom wall of the barrel cover is provided with a plurality of grooves around the hollow column, the adsorption filter comprises a plurality of adsorption filter cartridges, the bottoms of the adsorption filter cartridges are inserted into the corresponding grooves, and the space between every two adsorption filter cartridges is filled with activated carbon.

5. The waste liquid collecting device for the safety chromatographic analyzer as claimed in claim 1, wherein the air outlet is disposed at the lower side of the peripheral side wall of the barrel cover.

6. The waste liquid collecting device for the safety chromatographic analyzer as claimed in claim 1, wherein the upper cover of the barrel cover is detachably connected with the body of the barrel cover.

7. The waste liquid collecting device for the safety chromatographic analyzer as claimed in claim 6, wherein a sealing ring is arranged at the joint of the body of the barrel cover and the upper cover.

8. The waste liquid collecting device for the safety chromatographic analyzer as claimed in claim 1, wherein the liquid level probe head is made of stainless steel material.

9. The waste liquid collecting device for the safety chromatographic analyzer as claimed in claim 1, wherein the liquid level probe head is located in the barrel body near the bottom end of the barrel mouth.