Closed recovery device for waste liquid of liquid chromatograph-mass spectrometer

Abstract

The closed waste liquid recovery device comprises a waste liquid collection barrel, an overflow barrel and an overflow pipe, the waste liquid collecting barrel is provided with a threaded connector and a safety cover, the safety cover is provided with a multifunctional waste liquid pipeline connector, a filtering connector and a liquid level monitoring connector, and the multifunctional waste liquid pipeline connector is movably connected with the multi-channel waste liquid pipe aggregator; the filtering interface is movably connected with a high-efficiency filter; the liquid level monitoring interface is movably connected with an electronic liquid level sensor; an anti-overflow tray is further included. The multifunctional safety cover is arranged, waste liquid is guided into the waste liquid collecting barrel in multiple modes, the functions of filtering the waste liquid and monitoring the liquid level in the waste liquid collecting barrel are achieved, the pressure in the waste liquid collecting barrel is balanced, toxic and harmful gas is absorbed, and the electronic liquid level sensor automatically monitors the liquid level of the waste liquid in the waste liquid collecting barrel; the liquid level audible and visual alarm is arranged for alarming and prompting, and is communicated with the overflow barrel through the overflow pipe, so that excessive waste liquid can flow into the overflow barrel.

Description

TECHNICAL FIELD

[0001] The utility model provides a kind of liquid chromatography mass spectrometer waste liquid closed recovery device. BACKGROUND

[0002] High-performance liquid chromatography tandem mass spectrometer generates waste liquid due to liquid phase part, needs to connect waste liquid collecting device, instrument manufacturer has no matching, currently generally directly connects a waste liquid collecting barrel, but the sealing property of waste liquid collecting barrel is not good, organic solvent is easily caused to volatilize, forms laboratory air pollution and laboratory smell, and the content of organic solvent volatile gas in laboratory is too high usually to generate headache, dizziness, etc. Adverse reactions, seriously endangering the health of experimental personnel, and the existing waste liquid collecting barrel generally uses waste liquid pipe to guide waste liquid into waste liquid collecting barrel, and waste liquid collecting method is simple, without waste liquid filtering and liquid level monitoring function in waste liquid collecting barrel, if waste liquid barrel is full without timely replacement, it will lead to that waste liquid is not smooth in pipeline discharge, affect normal use of liquid phase part, cause instrument downtime, waste liquid contains organic solvent, if waste liquid flows out, there may be security risks. INVENTION CONTENTS

[0003] In view of the above, the utility model provides a kind of liquid chromatography mass spectrometer waste liquid closed recovery device to solve the problems raised in the above background art.

[0004] The technical scheme adopted by the utility model to solve its technical problems is: a kind of liquid chromatography mass spectrometer waste liquid closed recovery device, including liquid chromatography mass spectrometer, still including waste liquid collecting barrel for collecting waste liquid generated by liquid chromatography mass spectrometer, overflow barrel, overflow pipe for communicating waste liquid collecting barrel and overflow barrel, one end of overflow pipe is connected at the upper end of waste liquid collecting barrel, the other end of overflow pipe is connected at the lower end of overflow barrel;Threaded connection is provided on the waste liquid collecting barrel, and the multifunctional safety cover is equipped with the threaded connection, the multifunctional waste liquid pipeline interface for guiding waste liquid, the filter interface for filtering harmful gas and the liquid level monitoring interface for monitoring waste liquid level are opened on the safety cover, the multifunctional waste liquid pipeline interface is movably connected with multi-channel waste liquid pipe concentrator, a plurality of joints are provided on the multi-channel waste liquid pipe concentrator, a plurality of waste liquid pipes are connected correspondingly, and the multi-channel waste liquid pipe concentrator is embeddedly installed on the test table;The filter interface is movably connected with high-efficiency filter, balances the pressure in waste liquid collecting barrel, and absorbs toxic and harmful gases;The liquid level monitoring interface is movably connected with electronic liquid level sensor, the alarm liquid level of the electronic liquid level sensor is located at the connecting portion of the upper end of waste liquid collecting barrel and overflow pipe, and the electronic liquid level sensor automatically monitors the waste liquid level in waste liquid collecting barrel, and is equipped with liquid level sound and light alarm to give an alarm prompt;Still include anti-overflow tray for placing waste liquid collecting barrel and overflow barrel.

[0005] Further, the multifunctional waste liquid pipeline interface, filtering interface, liquid level monitoring interface can also be connected with a sealing plug.

[0006] Further, the multifunctional waste liquid pipeline interface can also be connected with a waste liquid pipe to guide the waste liquid into the waste liquid collecting barrel.

[0007] Further, the multifunctional waste liquid pipeline interface can also be connected with a waste liquid funnel to guide the waste liquid into the waste liquid collecting barrel.

[0008] Further, a drainage flap is further arranged, which is connected to the circumference of the overflow barrel along a horizontal line, one side of the drainage flap is fixed to the inner wall of the overflow barrel, the other side is inclined downward and inward, and the outlet end of the overflow pipe is located above the drainage flap.

[0009] Further, a PTFE valve movably mounted on the safety cover is further arranged.

[0010] Further, the waste liquid collecting barrel and the overflow barrel are made of HDPE material.

[0011] The liquid chromatograph mass spectrometer is provided with a waste liquid closed recycling device, which can prevent secondary pollution caused by waste liquid volatilization of the liquid chromatograph mass spectrometer, and can protect the safety of experimenters, and a multifunctional safety cover is provided and installed through a threaded interface, waste liquid is guided into the waste liquid collecting barrel in multiple ways, the waste liquid filtering and liquid level monitoring functions in the waste liquid collecting barrel are provided, the pressure in the waste liquid collecting barrel is balanced, toxic and harmful gases are absorbed, the electronic liquid level sensor automatically monitors the waste liquid level in the waste liquid collecting barrel, a liquid level sound and light alarm is provided to alarm and prompt, experimenters are reminded to replace the waste liquid in the waste liquid collecting barrel in time, and when the waste liquid collecting barrel is full and is not replaced in time, the excess waste liquid will flow into the overflow barrel, the time of waste liquid overflow is delayed, and the experimenters are provided with ample replacement time. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a side view of the waste liquid collecting barrel and the overflow barrel.

[0013] Figure 2 is a structural schematic view of the waste liquid collecting barrel and the safety cover.

[0014] Figure 3 is a structural schematic view of the safety cover.

[0015] Figure 4 is a structural schematic view of the multi-channel waste liquid pipe concentrator.

[0016] Figure 5 is a structural schematic view of the multifunctional waste liquid pipeline interface when connected with the waste liquid pipe.

[0017] Figure 6 is a structural schematic diagram of a multifunctional waste liquid pipeline interface when connecting a waste liquid funnel.

[0018] In the figure, 1, waste liquid collection barrel; 101, threaded interface; 2, safety cover; 201, multifunctional waste liquid pipeline interface; 202, filtering interface; 203, liquid level monitoring interface; 3, multi-channel waste liquid pipeline concentrator; 301, joint; 4, high-efficiency filter; 5, electronic liquid level sensor; 6, liquid level audible and visual alarm; 7, PTFE material valve; 8, anti-overflow tray; 9, overflow barrel; 10, overflow pipe; 11, drainage flap. DETAILED DESCRIPTION

[0019] The utility model will be further described below in combination with the drawings and some embodiments.

[0020] In Figures 1-6 , a liquid chromatograph mass spectrometer waste liquid closed recovery device, comprising a liquid chromatograph mass spectrometer, further comprising a waste liquid collection barrel 1 for collecting waste liquid generated by the liquid chromatograph mass spectrometer, an overflow barrel 9, an overflow pipe 10 connecting the waste liquid collection barrel 1 and the overflow barrel 9, one end of the overflow pipe 10 being connected to the upper end of the waste liquid collection barrel 1, the other end of the overflow pipe 10 being connected to the lower end of the overflow barrel 9; the overflow barrel 9 is communicated through the overflow pipe 10, when the waste liquid collection barrel 1 is full and not replaced in time, the excess waste liquid will flow into the overflow barrel 9 through the overflow pipe 10, delaying the time of waste liquid overflow and providing the experimenter with ample time to replace the waste liquid collection barrel 1.

[0021] In this embodiment, the waste liquid collection barrel 1 is provided with a threaded interface 101, a multifunctional safety cover 2 is equipped and installed through the threaded interface 101, the safety cover 2 is provided with a multifunctional waste liquid pipeline interface 201 for introducing waste liquid, a filtering interface 202 for filtering harmful gas, and a liquid level monitoring interface 203 for monitoring the liquid level of waste liquid, the multifunctional waste liquid pipeline interface 201 is movably connected to a multi-channel waste liquid pipeline concentrator 3, the multi-channel waste liquid pipeline concentrator 3 is provided with a plurality of joints 301 corresponding to a plurality of waste liquid pipes, and the multi-channel waste liquid pipeline concentrator 3 is embeddedly installed on a test bench; in use, the multi-channel waste liquid pipeline concentrator 3 can be connected to 8 waste liquid pipes or 6 waste liquid pipes at the same time through the joints 301, so as to introduce waste liquid into the waste liquid collection barrel 1, and the multi-channel waste liquid pipeline concentrator 3 is embeddedly installed on the test bench surface, avoiding the disorder of waste liquid pipe lines.

[0022] In this embodiment, the filtering interface 202 is movably connected to a high-efficiency filter 4; the high-efficiency filter 4 comprises a nano mineral crystal high-iodine-value activated carbon high-efficiency filter 4, balances the pressure in the waste liquid collection barrel 1, and absorbs toxic and harmful gases.

[0023] In the embodiment, the liquid level monitoring interface 203 is connected with the electronic liquid level sensor 5, the alarm liquid level of the electronic liquid level sensor 5 is located at the connection between the upper end of the waste liquid collecting barrel 1 and the overflow pipe 10, the electronic liquid level sensor 5 automatically monitors the liquid level in the waste liquid collecting barrel 1, and is equipped with a liquid level sound and light alarm 6 to give an alarm prompt; when the electronic liquid level sensor 5 monitors that the liquid level has reached the connection of the overflow pipe 10, an abnormal signal is generated and transmitted to the liquid level sound and light alarm 6 to make it give a sound and light alarm prompt, reminding the experimenters to replace the waste liquid in the waste liquid collecting barrel 1 in time.

[0024] In the embodiment, the anti-overflow tray 8 for placing the waste liquid collecting barrel 1 and the overflow barrel 9 is further included; the anti-overflow tray 8 can effectively prevent the waste liquid from overflowing and polluting the test bench.

[0025] In the embodiment, the sealing plug can be further connected to the multifunctional waste liquid pipeline interface 201, the filtering interface 202 and the liquid level monitoring interface 203; when the waste liquid is transported, the sealing plug plugs the multifunctional waste liquid pipeline interface 201, the filtering interface 202 and the liquid level monitoring interface 203 to avoid leakage of the waste liquid during the transportation.

[0026] In the embodiment, the multifunctional waste liquid pipeline interface 201 can be further connected with a waste liquid pipe to guide the waste liquid into the waste liquid collecting barrel 1, and can be further connected with a waste liquid funnel to guide the waste liquid into the waste liquid collecting barrel 1; the multifunctional waste liquid pipeline interface 201 can match different capillary tubes and silica gel hoses to guide the waste liquid into the waste liquid collecting barrel 1 in multiple ways.

[0027] In the embodiment, the drainage flap 11 is further included, the drainage flap 11 is connected to the circumference of the overflow barrel 9 along a horizontal line, one side of the drainage flap 11 is fixed to the inner wall of the overflow barrel 9, the other side of the drainage flap 11 is inclined downward and inward, and the outlet end of the overflow pipe 10 is located above the drainage flap 11; the drainage flap 11 can buffer the flowing waste liquid at the outlet end of the overflow pipe 10 to avoid violent shaking of the chemical waste liquid and cause violent reaction between the chemical waste liquids.

[0028] In the embodiment, the PTFE valve 7 movably installed on the safety cover 2 is further included; the PTFE valve 7 has corrosion resistance, effectively prevents harmful gas from volatilizing, and prevents the waste liquid in the waste liquid collecting barrel 1 from spilling out when the waste liquid collecting barrel 1 is replaced.

[0029] In the embodiment, the waste liquid collecting barrel 1 and the overflow barrel 9 are made of HDPE material and have acid and alkali corrosion resistance.

[0030] In the embodiment, the electronic liquid level sensor 5 is a common liquid level sensor device, such as an LK1024 type electronic liquid level sensor, an HDM-F type magnetostrictive liquid level displacement sensor, etc.

[0031] In the embodiment, the liquid level sound-light alarm 6 is a common sound-light alarm device, such as ET-LLC model, WJ556-S model, etc.

[0032] The utility model discloses in the concrete implementation: the multichannel waste liquid pipe converger 3 can connect 8 waste liquid pipes or 6 waste liquid pipes through joint 301 simultaneously, thereby guide the waste liquid into the waste liquid collection barrel 1, and the multichannel waste liquid pipe converger 3 is embeddedly installed on the test table surface, avoids the waste liquid pipe pipeline disorderly; filter interface 202 swing joint nanometer mineral crystal high iodine value activated carbon high -efficient filter 4, balance the pressure in waste liquid collection barrel 1, absorb toxic and harmful gas; when the electronic liquid level sensor 5 monitors that waste liquid level has reached the connecting place of overflow pipe 10, generates abnormal signal transmission to liquid level sound-light alarm 6, makes it carry out sound-light alarm prompt, reminds the experiment personnel to replace the waste liquid in waste liquid collection barrel 1 in time, simultaneously, through overflow pipe 10 is connected with overflow barrel 9, when waste liquid collection barrel 1 is full after not in time replacement, the extra waste liquid will flow into overflow barrel 9 through overflow pipe 10, delays the time of waste liquid overflow, provides the time of the experiment personnel to replace waste liquid collection barrel 1, and the drainage petal 11 can buffer the flowing waste liquid of overflow pipe 10 export end, avoids the violent shaking of chemical waste liquid, causes the violent reaction between chemical waste liquid.

[0033] It is worth mentioning that: in the description of the utility model, the meaning of "multiple" is two or more than two, unless there is an explicit specific limitation. In the utility model, unless there is an explicit provision and limitation, the terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, and for ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific situation.

[0034] For those skilled in the art, it is obvious that the utility model patent is not limited to the details of the above-mentioned exemplary embodiments, and the utility model patent can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model patent. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model patent is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the essential elements of the claims are intended to be included in the utility model patent. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A liquid chromatograph mass spectrometer waste liquid closed recovery device, comprising a liquid chromatograph mass spectrometer, characterized in that: It also includes a waste liquid collection tank, an overflow tank, and an overflow pipe that connects the waste liquid collection tank and the overflow tank. One end of the overflow pipe is connected to the upper end of the waste liquid collection tank, and the other end of the overflow pipe is connected to the lower end of the overflow tank. The waste liquid collection tank is provided with a threaded interface, and a multi-functional safety cover is installed through the threaded interface. The safety cover has a multi-functional waste liquid pipeline interface for introducing waste liquid, a filter interface for filtering harmful gases, and a liquid level monitoring interface for monitoring the waste liquid level. The multi-functional waste liquid pipeline interface is movably connected to a multi-channel waste liquid concentrator. The multi-channel waste liquid concentrator is provided with multiple connectors, which are connected to multiple waste liquid pipes. The multi-channel waste liquid concentrator is embedded in the test bench. The filter interface is movably connected to a high-efficiency filter to balance the pressure inside the waste liquid collection tank and absorb toxic and harmful gases. The liquid level monitoring interface is movably connected to an electronic liquid level sensor. The alarm liquid level of the electronic liquid level sensor is located at the connection between the upper end of the waste liquid collection tank and the overflow pipe. The electronic liquid level sensor automatically monitors the waste liquid level in the waste liquid collection tank and is equipped with a liquid level audible and visual alarm to provide alarm prompts. It also includes spill containment trays for placing waste collection tanks and overflow tanks.

2. The waste liquid closed recovery device of a liquid chromatograph mass spectrometer according to claim 1, characterized in that: Sealing plugs can also be connected to the multifunctional waste liquid pipeline interface, filter interface, and liquid level monitoring interface.

3. The waste liquid closed recovery device of a liquid chromatograph mass spectrometer according to claim 1, characterized in that: The multi-functional waste liquid pipeline interface can also be connected to a waste liquid pipe to guide waste liquid into a waste liquid collection tank.

4. The waste liquid closed recovery device of a liquid chromatograph mass spectrometer according to claim 1, characterized in that: The multi-functional waste liquid pipeline interface can also be connected to a waste liquid funnel to guide the waste liquid into a waste liquid collection tank.

5. The waste liquid closed recovery device of a liquid chromatograph mass spectrometer according to claim 1, characterized in that: It also includes a drainage valve, which is connected to the circumference of the overflow bucket along a horizontal line. One side of the drainage valve is fixed to the inner wall of the overflow bucket, and the other side is inclined downward and inward. The outlet end of the overflow tube is located above the drainage valve.

6. The waste liquid closed recovery device of a liquid chromatograph mass spectrometer according to claim 1, characterized in that: It also includes PTFE valves that are mounted on the safety cover.

7. The waste liquid closed recovery device of a liquid chromatograph mass spectrometer according to claim 1, characterized in that: The waste liquid collection tank and overflow tank are made of HDPE material.

Images