CN212216415U

CN212216415U - Chromatogram bottle belt cleaning device

Info

Publication number: CN212216415U
Application number: CN202020463266.0U
Authority: CN
Inventors: 高玉珍; 宋凯; 彭飒; 王运峰; 姬丽琴; 毛宁; 崔迟; 倪博立
Original assignee: Gansu Tobacco Industrial Co ltd
Current assignee: Gansu Tobacco Industrial Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-25
Anticipated expiration: 2030-04-02

Abstract

The utility model belongs to the field of laboratory glassware cleaning equipment, in particular to a chromatographic bottle cleaning device; the waste liquid recovery device comprises a cylindrical main body, wherein an upper cover is arranged at the top of the main body, and a waste liquid port is formed at the bottom of the main body; the cylindrical main body is also provided with a post rod which penetrates through the inner cavity of the cylindrical main body and the top of which extends out of the upper cover, the lower end of the post rod is provided with a sealing thread which is matched with the waste liquid port, the lower end of the post rod is studded into the waste liquid port, the post rod is provided with a plurality of annular clamping grooves, the clamping grooves are sleeved with cleaning discs, and the cleaning discs are fixed on the clamping grooves through detachable buckles; the upper cover is also fixedly connected with a three-way device, a first joint of the three-way device extends into the upper cover, an upper air control valve is connected at a second joint, and a liquid control valve is connected at a third joint; the utility model solves the problems that liquid is not easy to be discharged and is not completely discharged in the previous chromatographic bottle cleaning process; a large amount of manpower has been saved in the washing of a plurality of chromatogram bottles once, and the cleaning process need not the all kinds of washing liquids of artifical contact, has guaranteed experimenter's safety.

Description

Chromatogram bottle belt cleaning device

Technical Field

The utility model belongs to laboratory glassware cleaning equipment field, concretely relates to chromatogram bottle belt cleaning device.

Background

The existing compound analysis mostly adopts chromatography, and a large number of chromatographic bottles with different specifications of different manufacturers are needed. The chromatographic bottle is expensive, and can be cleaned and reused in order to save the detection cost. The chromatogram bottle bore is little, and the surface tension of bottleneck is great, and conventional washing liquid can not pour into automatically and flow out the chromatogram bottle, need wash one by one, extravagant a large amount of manpowers, and wash the direct emission of waste liquid and can cause environmental pollution, and the experimenter direct contact strong acid alkali class washing liquid exists great potential safety hazard simultaneously.

Disclosure of Invention

The utility model solves the problems that the cleaning liquid can not be automatically injected into and flowed out of the chromatographic bottle and the cleaning is not clean; manpower is consumed for cleaning the chromatographic bottles one by one; the direct contact of the experimenter with strong acid and strong base has greater safety risk; the waste liquid is directly discharged into a sewer to cause the problem of environmental pollution; the technical problem of simultaneous cleaning of chromatographic bottles with different specifications is to provide a chromatographic bottle cleaning device.

For solving the technical problem, the utility model discloses the technical scheme who adopts does: a chromatographic bottle cleaning device comprises a cylindrical main body, wherein an upper cover is arranged at the top of the main body, and a waste liquid port is formed at the bottom of the main body; the cylindrical main body is also provided with a post rod which penetrates through the inner cavity of the cylindrical main body and the top of which extends out of the upper cover, the upper end of the post rod is in threaded connection with the upper cover, the lower end of the post rod is provided with a sealing thread matched with the waste liquid port, the lower end of the post rod is screwed into the waste liquid port, the post rod is provided with a plurality of annular clamping grooves, the clamping grooves are sleeved with a cleaning disc, the inner diameter of a middle round hole of the cleaning disc is matched with the diameter of the post rod, the cleaning disc is fixed on the clamping grooves through detachable buckles, the cleaning disc is provided with a plurality of small holes; the upper cover is also fixedly connected with a three-way device, a first joint of the three-way device extends into the upper cover, an upper air control valve is connected at a second joint, a liquid control valve is connected at a third joint, and a filter element is arranged in the second joint at the lower end of the upper air control valve; the side wall of the lower part of the main body is connected with a vent pipe, and the vent pipe is connected with a lower air control valve.

The utility model discloses chromatogram bottle belt cleaning device's working process does: water injection: firstly, a chromatographic bottle is reversely buckled on a cleaning disc, the cleaning disc is sleeved on a clamping groove from bottom to top and is fixed by a buckle, an upper cover is inserted into a main body, the bottom of a column rod is screwed with a waste liquid port, a liquid control valve and a lower gas control valve are closed, the upper gas control valve is opened, the gas inlet end of a three-way device, namely a second joint, is connected with a vacuum pump, the pump is started to vacuumize, after the inside of the main body is in a vacuum state, the upper gas control valve is closed, the liquid inlet end of the three-way device, namely a third joint, is connected with one end of a liquid inlet hose, the other end of the liquid inlet hose is placed in a cleaning liquid bottle, the liquid control valve is opened, cleaning liquid slowly flows into the. The main body is disconnected with the vacuum pump, and the whole cleaning device is repeatedly cleaned and soaked in the ultrasonic cleaner.

Draining: and after the ultrasonic is finished, the device is taken out, a waste liquid port is aligned to a waste liquid barrel, the bottom of the column rod is unscrewed, the upper cover is screwed after the waste liquid in the main body is discharged, the lower air exhaust valve is connected with the vacuum pump through a pipeline, the upper air control valve and the lower air control valve are alternately switched on and off, air is intermittently put in and the operation of vacuumizing is intermittently carried out, and the residual cleaning liquid in the chromatographic bottle is completely discharged. And repeating the water injection and drainage steps until the water is cleaned.

Compared with the prior art the utility model discloses following beneficial effect has:

the upper cover three-way device is used for controlling a gas-liquid flow path, the liquid inlet hose is arranged in the cleaning bottle, and the cleaning liquid is automatically injected into the chromatographic bottle under the vacuum state of the main body, so that the problem that liquid is not easy to fill in the conventional chromatographic bottle cleaning method is solved, and the cleaning liquid is convenient to replace. The upper air control valve and the lower air control valve are alternately switched on and off, air is intermittently put in and vacuumized, balance between gravity of cleaning liquid and surface tension of a bottle opening is broken, residual cleaning liquid in the chromatographic bottle is completely discharged, and the problems that liquid is not easy to discharge and cannot be discharged cleanly in the previous chromatographic bottle cleaning process are solved.

The cleaning disc is sleeved into the clamping groove and fixed by a buckle, so that the cleaning disc is prevented from sliding downwards; the plurality of clamping grooves are convenient for placing a plurality of cleaning discs in one-time cleaning, and the number of the clamping grooves can be adjusted according to actual conditions; the cleaning disc has various specifications to adapt to chromatographic bottles with different sizes, the aperture of the small hole is matched with the aperture of the chromatographic bottle, and the bottle bodies are clamped and fixed to prevent the bottle bodies from floating or falling in the cleaning process and colliding with each other. A large amount of manpower is saved in once cleaning of a plurality of chromatographic bottles, the working efficiency is obviously improved, and the method has a great practical application value.

The cleaning device has simple structure and convenient use, and the outside of the cleaning device only needs to be connected with the vacuum pump and the cleaning liquid.

The cleaning process does not need to manually contact various cleaning liquids, and the safety of experimenters is ensured.

The main part is the cylinder, guarantees to wash inside clean no dead angle of back main part, and the upper cover can be separated with the main part and be convenient for through-air drying.

The cleaning device is integrally a sealing system, the cleaning waste liquid directly flows into the waste liquid barrel, and the gas path outlet of the three-way device is provided with the filter element to absorb volatile harmful substances, so that the environmental pollution is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the chromatographic bottle cleaning device of the present invention.

The figures are labeled as follows:

1-main body, 2-waste liquid port, 3-cleaning disc, 4-upper cover, 5-column rod, 6-handle, 7-clamping groove, 8-buckle, 9-three-way device, 10-upper air control valve, 11-filter element, 12-liquid control valve and 13-lower air control valve.

Detailed Description

The present invention will be further described with reference to the following specific examples.

Example 1

As shown in figure 1, the chromatographic bottle cleaning device comprises a cylindrical main body 1, wherein an upper cover 4 is arranged at the top of the main body 1, and a waste liquid port 2 is arranged at the bottom of the main body 1; the cylindrical main body 1 is also provided with a post rod 5 which penetrates through the inner cavity of the cylindrical main body and the top of which extends out of the upper cover 4, the upper end of the post rod 5 is in threaded connection with the upper cover 4, the lower end of the post rod 5 is provided with a sealing thread matched with the waste liquid port 2, the lower end of the post rod is screwed into the waste liquid port 2, the post rod 5 is provided with a plurality of annular clamping grooves 7, the clamping grooves 7 are sleeved with a cleaning disc 3, the inner diameter of a middle round hole of the cleaning disc 3 is matched with the diameter of the post rod 5, the cleaning disc 3 is fixed on the clamping grooves 7 through a detachable buckle 8, the cleaning disc 3 is provided with a plurality of small holes, and; the upper cover 4 is also fixedly connected with a three-way device 9, a first joint of the three-way device 9 extends into the upper cover 4, an upper air control valve 10 is connected at a second joint, a liquid control valve 12 is connected at a third joint, and a filter element 11 is arranged in the second joint at the lower end of the upper air control valve 10; the side wall of the lower part of the main body 1 is connected with a vent pipe, and the vent pipe is connected with a lower air control valve 13. The upper air control valve and the lower air control valve are alternately switched on and off, air is intermittently put in and vacuumized, balance between gravity of cleaning liquid and surface tension of a bottle opening is broken, residual cleaning liquid in the chromatographic bottle is completely discharged, and the problems that liquid is not easy to discharge and cannot be discharged cleanly in the previous chromatographic bottle cleaning process are solved. The cleaning device is integrally a sealing system, the cleaning waste liquid directly flows into the waste liquid barrel, and the gas path outlet of the three-way device 9 is provided with the filter element to absorb volatile harmful substances, so that the environmental pollution is reduced.

The cleaning disc 3 has various specifications to adapt to the chromatographic bottles with different sizes, and the inner diameters of small holes (circular jacks) distributed on the cleaning disc are matched with the bottle mouths of the chromatographic bottles. The cleaning disc 3 is sleeved into the clamping groove 7 and fixed by the buckle 8, so that the cleaning disc 3 is prevented from sliding downwards; the plurality of clamping grooves 7 are convenient for placing a plurality of cleaning discs 3 in one-time cleaning mode, and the number of the clamping grooves can be adjusted according to actual conditions; the cleaning disc 3 has various specifications to adapt to chromatographic bottles with different sizes, the aperture of the small hole is matched with the aperture of the chromatographic bottle, and the bottle bodies are clamped and fixed to prevent the bottle bodies from floating or falling in the cleaning process and colliding with each other.

The main body 1 is a cylinder, so that the inside of the main body 1 is clean and free of dead angles after cleaning is finished, and the upper cover 4 and the main body 1 can be separated and are convenient for ventilation and drying.

Further, the top of post 5 is equipped with handle 6, post 5 sets up on 1 central axis of main part, and the top stretches out the center of upper cover 4, and the interval of two arbitrary draw-in grooves 7 is all unanimous.

Furthermore, the main body 1, the upper cover 4 and the cleaning disc 3 are all made of polytetrafluoroethylene materials.

Furthermore, the difference between the outer diameter of the cleaning disc 3 and the inner diameter of the main body 1 is 5mm, and an elastic sealing material is arranged between the upper cover 4 and the main body 1. The sealing performance of the whole device is ensured.

Claims

1. The utility model provides a chromatogram bottle belt cleaning device which characterized in that: the device comprises a cylindrical main body (1), wherein an upper cover (4) is arranged at the top of the main body (1), and a waste liquid port (2) is arranged at the bottom of the main body (1); the cylindrical main body (1) is further provided with a post rod (5) which penetrates through the inner cavity of the cylindrical main body and the top of the post rod extends out of the upper cover (4), the upper end of the post rod (5) is in threaded connection with the upper cover (4), the lower end of the post rod (5) is provided with a sealing thread matched with the waste liquid port (2), the lower end of the post rod is screwed into the waste liquid port (2), the post rod (5) is provided with a plurality of annular clamping grooves (7), the clamping grooves (7) are sleeved with cleaning discs (3), the inner diameters of middle round holes of the cleaning discs (3) are matched with the diameters of the post rod (5), the cleaning discs (3) are fixed on the clamping grooves (7) through detachable buckles (8), the cleaning discs (3) are provided with a plurality of small holes, and the diameters of the small holes; the upper cover (4) is also fixedly connected with a three-way device (9), a first joint of the three-way device (9) extends into the upper cover (4), an upper air control valve (10) is connected to a second joint, a liquid control valve (12) is connected to a third joint, and a filter element (11) is arranged in the second joint at the lower end of the upper air control valve (10); the side wall of the lower part of the main body (1) is connected with a vent pipe, and the vent pipe is connected with a lower air control valve (13).

2. The chromatography bottle cleaning device according to claim 1, characterized in that: the top of post (5) is equipped with handle (6), post (5) set up on main part (1) central axis, and the top stretches out the center of upper cover (4), and the interval of two arbitrary draw-in grooves (7) is all unanimous.

3. A chromatography bottle cleaning apparatus according to claim 1 or 2, characterized in that: the main body (1), the upper cover (4) and the cleaning disc (3) are all made of polytetrafluoroethylene materials.

4. A chromatography bottle cleaning apparatus according to claim 1 or 2, characterized in that: the difference between the outer diameter of the cleaning disc (3) and the inner diameter of the main body (1) is 5mm, and an elastic sealing material is further arranged between the upper cover (4) and the main body (1).